Publications 2024

Burra P, Zanetto A, Schnabl B, Reiberger T, Montano-Loza AJ, Asselta R, Karlsen TH, Tacke F (2024)
Hepatic immune regulation and sex disparities
Nat Rev Gastroenterol Hepatol (in press)
DOI 10.1038/s41575-024-00974-5, PubMed 39237606

Burra P, Zanetto A, Schnabl B, Reiberger T, Montano-Loza AJ, Asselta R, Karlsen TH, Tacke F (2024)
Author Correction: Hepatic immune regulation and sex disparities
Nat Rev Gastroenterol Hepatol (in press)
DOI 10.1038/s41575-024-01007-x, PubMed 39390290

Frank AK, Chung BK, De Novales MLL, Engesæter LK, Hoyle HW, Øgaard J, Heslop J, Karlsen TH, Tysoe O, Brevini T, Tchorz JS, Vallier L, Mohorianu I, Sampaziotis F, Melum E (2024)
Single-Cell Transcriptomic Profiling of Cholangiocyte Organoids Derived from Bile Ducts of Primary Sclerosing Cholangitis Patients
Dig Dis Sci, 69 (10), 3810-3823
DOI 10.1007/s10620-024-08570-y, PubMed 39160386

Grimsrud MM, Forster M, Goeppert B, Hemmrich-Stanisak G, Sax I, Grzyb K, Braadland PR, Charbel A, Metzger C, Albrecht T, Steiert TA, Schlesner M, Manns MP, Vogel A, Yaqub S, Karlsen TH, Schirmacher P, Boberg KM, Franke A, Roessler S, Folseraas T (2024)
Whole-exome sequencing reveals novel cancer genes and actionable targets in biliary tract cancers in primary sclerosing cholangitis
Hepatol Commun, 8 (7)
DOI 10.1097/HC9.0000000000000461, PubMed 38967597

Hov JR, Molberg Ø, Karlsen TH (2024)
Tubulin beta 5 is not the target of antineutrophil antibodies in primary sclerosing cholangitis
Clin Exp Immunol, 218 (1), 75-77
DOI 10.1093/cei/uxae053, PubMed 38960384

Jørgensen SF, Macpherson ME, Bjørnetrø T, Holm K, Kummen M, Rashidi A, Michelsen AE, Lekva T, Halvorsen B, Trøseid M, Mollnes TE, Berge RK, Yndestad A, Ueland T, Karlsen TH, Aukrust P, Hov JR, Fevang B (2024)
Retraction Note: Rifaximin alters gut microbiota profile, but does not affect systemic inflammation - a randomized controlled trial in common variable immunodeficiency
Sci Rep, 14 (1), 3704
DOI 10.1038/s41598-024-54117-6, PubMed 38355714

Karlsen TH, Rutter H, Carrieri P, Zelber-Sagi S, Engebretsen E, Hutchinson S, Voigt K, Guha N, Berzigotti A, Schomerus G, Gines P, Buti M, Burra P, Manns MP, Krag A, Kleinert S (2024)
The EASL-Lancet Commission on liver health in Europe: prevention, case-finding, and early diagnosis to reduce liver-related mortality
Lancet, 403 (10436), 1522-1524
DOI 10.1016/S0140-6736(24)00204-6, PubMed 38359860

Poch T, Bahn J, Casar C, Krause J, Evangelakos I, Gilladi H, Kunzmann LK, Laschtowitz A, Iuso N, Schäfer AM, Liebig LA, Steinmann S, Sebode M, Folseraas T, Engesæter LK, Karlsen TH, Franke A, Hubner N, Schlein C, Galun E, Huber S, Lohse AW, Gagliani N, Schwinge D, Schramm C (2024)
Intergenic risk variant rs56258221 skews the fate of naive CD4⁺ T cells via miR4464-BACH2 interplay in primary sclerosing cholangitis
Cell Rep Med, 5 (7), 101620
DOI 10.1016/j.xcrm.2024.101620, PubMed 38901430

Yang M, Kaarbø M, Myhre V, Reims HM, Karlsen TH, Wang J, Rognes T, Halvorsen B, Fevang B, Lundin KEA, Aukrust P, Bjørås M, Jørgensen SF (2024)
Altered Genome-Wide DNA Methylation in the Duodenum of Common Variable Immunodeficiency Patients
J Clin Immunol, 44 (6), 133
DOI 10.1007/s10875-024-01726-5, PubMed 38780872

Publications 2023

Braadland PR, Bergquist A, Kummen M, Bossen L, Engesæter LK, Reims HM, Björk I, Grzyb K, Abildgaard A, Småstuen MC, Folseraas T, Trøseid M, Ulvik A, Ueland PM, Melum E, Line PD, Høivik ML, Grønbæk H, Karlsen TH, Vesterhus M, Hov JR (2023)
Clinical and biochemical impact of vitamin B6 deficiency in primary sclerosing cholangitis before and after liver transplantation
J Hepatol, 79 (4), 955-966
DOI 10.1016/j.jhep.2023.05.038, PubMed 37328069

Grant CW, Juran BD, Ali AH, Schlicht EM, Bianchi JK, Hu X, Liang Y, Jarrell Z, Liu KH, Go YM, Jones DP, Walker DI, Miller GW, Folseraas T, Karlsen TH, LaRusso NF, Gores GJ, Athreya AP, Lazaridis KN (2023)
Environmental chemicals and endogenous metabolites in bile of USA and Norway patients with primary sclerosing cholangitis
Exposome, 3 (1), osac011
DOI 10.1093/exposome/osac011, PubMed 36687160

Graupera I, Thiele M, Ma AT, Serra-Burriel M, Pich J, Fabrellas N, Caballeria L, de Knegt RJ, Grgurevic I, Reichert M, Roulot D, Schattenberg JM, Pericas JM, Angeli P, Tsochatzis EA, Guha IN, Garcia-Retortillo M, Morillas RM, Hernández R, Hoyo J, Fuentes M, Madir A, Juanola A, Soria A, Juan M et al. (2023)
Correction: LiverScreen project: study protocol for screening for liver fibrosis in the general population in European countries
BMC Public Health, 23 (1), 923
DOI 10.1186/s12889-023-15867-6, PubMed 37217864

Han Y, Byun J, Zhu C, Sun R, Roh JY, Cordell HJ, Lee HS, Shaw VR, Kang SW, Razjouyan J, Cooley MA, Hassan MM, Siminovitch KA, Folseraas T, Ellinghaus D, Bergquist A, Rushbrook SM, Franke A, Karlsen TH, Lazaridis KN, International PSC Study Group, McGlynn KA, Roberts LR, Amos CI (2023)
Multitrait genome-wide analyses identify new susceptibility loci and candidate drugs to primary sclerosing cholangitis
Nat Commun, 14 (1), 1069
DOI 10.1038/s41467-023-36678-8, PubMed 36828809

Haukeland JW, Vesterhus MN, Jørgensen KK, Frigstad SO, Karlsen TH (2023)
[The FIB-4 test as a decision-making tool]
Tidsskr Nor Laegeforen, 143 (5)
DOI 10.4045/tidsskr.23.0176, PubMed 36987901

Hole MJ, Jørgensen KK, Holm K, Braadland PR, Meyer-Myklestad MH, Medhus AW, Reikvam DH, Götz A, Grzyb K, Boberg KM, Karlsen TH, Kummen M, Hov JR (2023)
A shared mucosal gut microbiota signature in primary sclerosing cholangitis before and after liver transplantation
Hepatology, 77 (3), 715-728
DOI 10.1002/hep.32773, PubMed 36056902

Hole MJ, Jørgensen KK, Holm K, Braadland PR, Meyer-Myklestad MH, Medhus AW, Reikvam DH, Götz A, Grzyb K, Boberg KM, Karlsen TH, Kummen M, Hov JR (2023)
Reply: The mucosal gut signature in primary sclerosing cholangitis before and after liver transplantation. Is the dysbiosis index really predictive for the recurrence of PSC?
Hepatology, 77 (6), E188-E189
DOI 10.1097/HEP.0000000000000340, PubMed 36815351

Krag A, Buti M, Lazarus JV, Allen AM, Bowman J, Burra P, Donnini G, Duseja A, El-Sayed MH, Gastaldelli A, Hainsworth B, Karlsen TH, Kessler M, Korenjak M, Mark HE, Mann JP, Miller V, Pessoa MG, Piñeiro D, Sarin SK, Singh SP, Rinella ME, Willemse J, Younossi ZM, Francque SM (2023)
Uniting to defeat steatotic liver disease: A global mission to promote healthy livers and healthy lives
J Hepatol, 79 (5), 1076-1078
DOI 10.1016/j.jhep.2023.07.029, PubMed 37634993

Lapitz A, Azkargorta M, Milkiewicz P, Olaizola P, Zhuravleva E, Grimsrud MM, Schramm C, Arbelaiz A, O'Rourke CJ, La Casta A, Milkiewicz M, Pastor T, Vesterhus M, Jimenez-Agüero R, Dill MT, Lamarca A, Valle JW, Macias RIR, Izquierdo-Sanchez L, Pérez Castaño Y, Caballero-Camino FJ, Riaño I, Krawczyk M, Ibarra C, Bustamante J et al. (2023)
Liquid biopsy-based protein biomarkers for risk prediction, early diagnosis, and prognostication of cholangiocarcinoma
J Hepatol, 79 (1), 93-108
DOI 10.1016/j.jhep.2023.02.027, PubMed 36868481

Serra-Burriel M, Juanola A, Serra-Burriel F, Thiele M, Graupera I, Pose E, Pera G, Grgurevic I, Caballeria L, Piano S, van Kleef L, Reichert M, Roulot D, Pericàs JM, Schattenberg JM, Tsochatztis EA, Guha IN, Garcia-Retortillo M, Hernández R, Hoyo J, Fuentes M, Expósito C, Martínez A, Such P, Madir A et al. (2023)
Development, validation, and prognostic evaluation of a risk score for long-term liver-related outcomes in the general population: a multicohort study
Lancet, 402 (10406), 988-996
DOI 10.1016/S0140-6736(23)01174-1, PubMed 37572680

Tedbury PR, Manfredi C, Degenhardt F, Conway J, Horwath MC, McCracken C, Sorscher AJ, Moreau S, Wright C, Edwards C, Brewer J, Guarner J, de Wit E, Williamson BN, Suthar MS, Ong YT, Roback JD, Alter DN, Holter JC, Karlsen TH, Sacchi N, Romero-Gómez M, Invernizzi P, Fernández J, Buti M et al. (2023)
Mechanisms by which the cystic fibrosis transmembrane conductance regulator may influence SARS-CoV-2 infection and COVID-19 disease severity
FASEB J, 37 (11), e23220
DOI 10.1096/fj.202300077R, PubMed 37801035

Wacker EM, Uellendahl-Werth F, Bej S, Wolkenhauer O, Vesterhus M, Lieb W, Franke A, Karlsen TH, Folseraas T, Ellinghaus D (2023)
Whole blood RNA sequencing identifies transcriptional differences between primary sclerosing cholangitis and ulcerative colitis
JHEP Rep, 6 (2), 100988
DOI 10.1016/j.jhepr.2023.100988, PubMed 38304234

Publications 2022

Braadland PR, Schneider KM, Bergquist A, Molinaro A, Lövgren-Sandblom A, Henricsson M, Karlsen TH, Vesterhus M, Trautwein C, Hov JR, Marschall HU (2022)
Suppression of bile acid synthesis as a tipping point in the disease course of primary sclerosing cholangitis
JHEP Rep, 4 (11), 100561
DOI 10.1016/j.jhepr.2022.100561, PubMed 36176935

Chung BK, Øgaard J, Reims HM, Karlsen TH, Melum E (2022)
Spatial transcriptomics identifies enriched gene expression and cell types in human liver fibrosis
Hepatol Commun, 6 (9), 2538-2550
DOI 10.1002/hep4.2001, PubMed 35726350

Cruz R, Diz-de Almeida S, López de Heredia M, Quintela I, Ceballos FC, Pita G, Lorenzo-Salazar JM, González-Montelongo R, Gago-Domínguez M, Sevilla Porras M, Tenorio Castaño JA, Nevado J, Aguado JM, Aguilar C, Aguilera-Albesa S, Almadana V, Almoguera B, Alvarez N, Andreu-Bernabeu Á, Arana-Arri E, Arango C, Arranz MJ, Artiga MJ, Baptista-Rosas RC, Barreda-Sánchez M et al. (2022)
Novel genes and sex differences in COVID-19 severity
Hum Mol Genet, 31 (22), 3789-3806
DOI 10.1093/hmg/ddac132, PubMed 35708486

Degenhardt F, Ellinghaus D, Juzenas S, Lerga-Jaso J, Wendorff M, Maya-Miles D, Uellendahl-Werth F, ElAbd H, Rühlemann MC, Arora J, Özer O, Lenning OB, Myhre R, Vadla MS, Wacker EM, Wienbrandt L, Blandino Ortiz A, de Salazar A, Garrido Chercoles A, Palom A, Ruiz A, Garcia-Fernandez AE, Blanco-Grau A, Mantovani A, Zanella A et al. (2022)
Detailed stratified GWAS analysis for severe COVID-19 in four European populations
Hum Mol Genet, 31 (23), 3945-3966
DOI 10.1093/hmg/ddac158, PubMed 35848942

Graupera I, Thiele M, Ma AT, Serra-Burriel M, Pich J, Fabrellas N, Caballeria L, de Knegt RJ, Grgurevic I, Reichert M, Roulot D, Schattenberg JM, Pericas JM, Angeli P, Tsochatzis EA, Guha IN, Garcia-Retortillo M, Morillas RM, Hernández R, Hoyo J, Fuentes M, Madir A, Juanola A, Soria A, Juan M et al. (2022)
LiverScreen project: study protocol for screening for liver fibrosis in the general population in European countries
BMC Public Health, 22 (1), 1385
DOI 10.1186/s12889-022-13724-6, PubMed 35854275

Hov JR, Karlsen TH (2022)
The microbiota and the gut-liver axis in primary sclerosing cholangitis
Nat Rev Gastroenterol Hepatol, 20 (3), 135-154
DOI 10.1038/s41575-022-00690-y, PubMed 36352157

Karlsen TH (2022)
Understanding COVID-19 through genome-wide association studies
Nat Genet, 54 (4), 368-369
DOI 10.1038/s41588-021-00985-x, PubMed 35410380

Krag A, Karlsen TH (2022)
[Not Available]
Ugeskr Laeger, 184 (8)
PubMed 35244013

Kaarbø M, Yang M, Hov JR, Holm K, de Sousa MML, Macpherson ME, Reims HM, Kran AB, Halvorsen B, Karlsen TH, Aukrust P, Lundin KEA, Fevang B, Bjørås M, Jørgensen SF (2022)
Duodenal inflammation in common variable immunodeficiency has altered transcriptional response to viruses
J Allergy Clin Immunol, 151 (3), 767-777
DOI 10.1016/j.jaci.2022.09.029, PubMed 36220400

Lei L, Bruneau A, El Mourabit H, Guégan J, Folseraas T, Lemoinne S, Karlsen TH, Hoareau B, Morichon R, Gonzalez-Sanchez E, Goumard C, Ratziu V, Charbord P, Gautheron J, Tacke F, Jaffredo T, Cadoret A, Housset C (2022)
Portal fibroblasts with mesenchymal stem cell features form a reservoir of proliferative myofibroblasts in liver fibrosis
Hepatology, 76 (5), 1360-1375
DOI 10.1002/hep.32456, PubMed 35278227

Uellendahl-Werth F, Maj C, Borisov O, Juzenas S, Wacker EM, Jørgensen IF, Steiert TA, Bej S, Krawitz P, Hoffmann P, Schramm C, Wolkenhauer O, Banasik K, Brunak S, Schreiber S, Karlsen TH, Degenhardt F, Nöthen M, Franke A, Folseraas T, Ellinghaus D (2022)
Cross-tissue transcriptome-wide association studies identify susceptibility genes shared between schizophrenia and inflammatory bowel disease
Commun Biol, 5 (1), 80
DOI 10.1038/s42003-022-03031-6, PubMed 35058554

Valestrand L, Zheng F, Hansen SH, Øgaard J, Hov JR, Björkström NK, Karlsen TH, Jiang X, Melum E (2022)
Bile from Patients with Primary Sclerosing Cholangitis Contains Mucosal-Associated Invariant T-Cell Antigens
Am J Pathol, 192 (4), 629-641
DOI 10.1016/j.ajpath.2021.12.008, PubMed 35063408

van der Meer D, Gurholt TP, Sønderby IE, Shadrin AA, Hindley G, Rahman Z, de Lange AG, Frei O, Leinhard OD, Linge J, Simon R, Beck D, Westlye LT, Halvorsen S, Dale AM, Karlsen TH, Kaufmann T, Andreassen OA (2022)
The link between liver fat and cardiometabolic diseases is highlighted by genome-wide association study of MRI-derived measures of body composition
Commun Biol, 5 (1), 1271
DOI 10.1038/s42003-022-04237-4, PubMed 36402844

Vesterhus M, Jørgensen KK, Frigstad SO, Haukeland JW, Karlsen TH (2022)
[We need a new strategy for liver disease]
Tidsskr Nor Laegeforen, 142 (3)
DOI 10.4045/tidsskr.21.0892, PubMed 35170917

Publications 2021

Bossen L, Vesterhus M, Hov JR, Färkkilä M, Rosenberg WM, Møller HJ, Boberg KM, Karlsen TH, Grønbæk H (2021)
Circulating Macrophage Activation Markers Predict Transplant-Free Survival in Patients With Primary Sclerosing Cholangitis
Clin Transl Gastroenterol, 12 (3), e00315
DOI 10.14309/ctg.0000000000000315, PubMed 33646203

Degenhardt F, Mayr G, Wendorff M, Boucher G, Ellinghaus E, Ellinghaus D, ElAbd H, Rosati E, Hübenthal M, Juzenas S, Abedian S, Vahedi H, Thelma BK, Yang SK, Ye BD, Cheon JH, Datta LW, Daryani NE, Ellul P, Esaki M, Fuyuno Y, McGovern DPB, Haritunians T, Hong M, Juyal G et al. (2021)
Transethnic analysis of the human leukocyte antigen region for ulcerative colitis reveals not only shared but also ethnicity-specific disease associations
Hum Mol Genet, 30 (5), 356-369
DOI 10.1093/hmg/ddab017, PubMed 33555323

Dhillon AK, Rupp C, Bergquist A, Voitl R, Folseraas T, Trøseid M, Midttun Ø, Ueland PM, Karlsen TH, Vesterhus M, Kummen M, Hov JR (2021)
Associations of neopterin and kynurenine-tryptophan ratio with survival in primary sclerosing cholangitis
Scand J Gastroenterol, 56 (4), 443-452
DOI 10.1080/00365521.2021.1880627, PubMed 33583308

Fossdal G, Mjelle AB, Wiencke K, Bjørk I, Gilja OH, Folseraas T, Karlsen TH, Rosenberg W, Giil LM, Vesterhus M (2021)
Fluctuating biomarkers in primary sclerosing cholangitis: A longitudinal comparison of alkaline phosphatase, liver stiffness, and ELF
JHEP Rep, 3 (5), 100328
DOI 10.1016/j.jhepr.2021.100328, PubMed 34485881

Jiang X, Bergquist A, Löscher BS, Venkatesh G, Mold JE, Holm K, Laerdahl JK, Skånland SS, Maleki KT, Cornillet M, Taskén K, Franke A, Karlsen TH, Björkström NK, Melum E (2021)
A heterozygous germline CD100 mutation in a family with primary sclerosing cholangitis
Sci Transl Med, 13 (582)
DOI 10.1126/scitranslmed.abb0036, PubMed 33627483

Karlsen TH, Sheron N, Zelber-Sagi S, Carrieri P, Dusheiko G, Bugianesi E, Pryke R, Hutchinson SJ, Sangro B, Martin NK, Cecchini M, Dirac MA, Belloni A, Serra-Burriel M, Ponsioen CY, Sheena B, Lerouge A, Devaux M, Scott N, Hellard M, Verkade HJ, Sturm E, Marchesini G, Yki-Järvinen H, Byrne CD et al. (2021)
The EASL-Lancet Liver Commission: protecting the next generation of Europeans against liver disease complications and premature mortality
Lancet, 399 (10319), 61-116
DOI 10.1016/S0140-6736(21)01701-3, PubMed 34863359

Mousa OY, Juran BD, McCauley BM, Vesterhus MN, Folseraas T, Turgeon CT, Ali AH, Schlicht EM, Atkinson EJ, Hu C, Harnois D, Carey EJ, Gossard AA, Oglesbee D, Eaton JE, LaRusso NF, Gores GJ, Karlsen TH, Lazaridis KN (2021)
Bile Acid Profiles in Primary Sclerosing Cholangitis and Their Ability to Predict Hepatic Decompensation
Hepatology, 74 (1), 281-295
DOI 10.1002/hep.31652, PubMed 33226645

Nakanishi T, Pigazzini S, Degenhardt F, Cordioli M, Butler-Laporte G, Maya-Miles D, Bujanda L, Bouysran Y, Niemi ME, Palom A, Ellinghaus D, Khan A, Martínez-Bueno M, Rolker S, Amitrano S, Roade Tato L, Fava F, FinnGen, COVID-19 Host Genetics Initiative (HGI), Spinner CD, Prati D, Bernardo D, Garcia F, Darcis G, Fernández-Cadenas I et al. (2021)
Age-dependent impact of the major common genetic risk factor for COVID-19 on severity and mortality
J Clin Invest, 131 (23)
DOI 10.1172/JCI152386, PubMed 34597274

Nakanishi T, Pigazzini S, Degenhardt F, Cordioli M, Butler-Laporte G, Maya-Miles D, Nafría-Jiménez B, Bouysran Y, Niemi M, Palom A, Ellinghaus D, Khan A, Martínez-Bueno M, Rolker S, Amitano S, Tato LR, FinnGen, The COVID-19 Host Genetics Initiative, Fava F, Spinner CD, Prati D, Bernardo D, Garcia F, Darcis G, Fernández-Cadenas I, Holter JC et al. (2021)
Age-dependent impact of the major common genetic risk factor for COVID-19 on severity and mortality
medRxiv
DOI 10.1101/2021.03.07.21252875, PubMed 33758887

Pagano E, Elias JE, Schneditz G, Saveljeva S, Holland LM, Borrelli F, Karlsen TH, Kaser A, Kaneider NC (2021)
Activation of the GPR35 pathway drives angiogenesis in the tumour microenvironment
Gut, 71 (3), 509-520
DOI 10.1136/gutjnl-2020-323363, PubMed 33758004

Reich M, Spomer L, Klindt C, Fuchs K, Stindt J, Deutschmann K, Höhne J, Liaskou E, Hov JR, Karlsen TH, Beuers U, Verheij J, Ferreira-Gonzalez S, Hirschfield G, Forbes SJ, Schramm C, Esposito I, Nierhoff D, Fickert P, Fuchs CD, Trauner M, García-Beccaria M, Gabernet G, Nahnsen S, Mallm JP et al. (2021)
Downregulation of TGR5 (GPBAR1) in biliary epithelial cells contributes to the pathogenesis of sclerosing cholangitis
J Hepatol, 75 (3), 634-646
DOI 10.1016/j.jhep.2021.03.029, PubMed 33872692

Schneider KM, Candels LS, Hov JR, Myllys M, Hassan R, Schneider CV, Wahlström A, Mohs A, Zühlke S, Liao L, Elfers C, Kilic K, Henricsson M, Molinaro A, Hatting M, Zaza A, Drasdo D, Frissen M, Devlin AS, Gálvez EJC, Strowig T, Karlsen TH, Hengstler JG, Marschall HU, Ghallab A et al. (2021)
Gut microbiota depletion exacerbates cholestatic liver injury via loss of FXR signalling
Nat Metab, 3 (9), 1228-1241
DOI 10.1038/s42255-021-00452-1, PubMed 34552267

Vedeld HM, Grimsrud MM, Andresen K, Pharo HD, von Seth E, Karlsen TH, Honne H, Paulsen V, Färkkilä MA, Bergquist A, Jeanmougin M, Aabakken L, Boberg KM, Folseraas T, Lind GE (2021)
Early and accurate detection of cholangiocarcinoma in patients with primary sclerosing cholangitis by methylation markers in bile
Hepatology, 75 (1), 59-73
DOI 10.1002/hep.32125, PubMed 34435693

Zheng T, Ellinghaus D, Juzenas S, Cossais F, Burmeister G, Mayr G, Jørgensen IF, Teder-Laving M, Skogholt AH, Chen S, Strege PR, Ito G, Banasik K, Becker T, Bokelmann F, Brunak S, Buch S, Clausnitzer H, Datz C, DBDS Consortium, Degenhardt F, Doniec M, Erikstrup C, Esko T, Forster M et al. (2021)
Genome-wide analysis of 944 133 individuals provides insights into the etiology of haemorrhoidal disease
Gut, 70 (8), 1538-1549
DOI 10.1136/gutjnl-2020-323868, PubMed 33888516

Publications 2020

Deeb M, Karlsen TH, Hirschfield GM (2020)
The 6 C's of primary sclerosing cholangitis
J Hepatol, 73 (5), 1255-1256
DOI 10.1016/j.jhep.2020.06.033, PubMed 32649970

Goeppert B, Folseraas T, Roessler S, Kloor M, Volckmar AL, Endris V, Buchhalter I, Stenzinger A, Grzyb K, Grimsrud MM, Gornicka B, von Seth E, Reynolds GM, Franke A, Gotthardt DN, Mehrabi A, Cheung A, Verheij J, Arola J, Mäkisalo H, Eide TJ, Weidemann S, Cheville JC, Mazza G, Hirschfield GM et al. (2020)
Genomic Characterization of Cholangiocarcinoma in Primary Sclerosing Cholangitis Reveals Therapeutic Opportunities
Hepatology, 72 (4), 1253-1266
DOI 10.1002/hep.31110, PubMed 31925805

Kummen M, Solberg OG, Storm-Larsen C, Holm K, Ragnarsson A, Trøseid M, Vestad B, Skårdal R, Yndestad A, Ueland T, Svardal A, Berge RK, Seljeflot I, Gullestad L, Karlsen TH, Aaberge L, Aukrust P, Hov JR (2020)
Rosuvastatin alters the genetic composition of the human gut microbiome
Sci Rep, 10 (1), 5397
DOI 10.1038/s41598-020-62261-y, PubMed 32214138

Kummen M, Thingholm LB, Rühlemann MC, Holm K, Hansen SH, Moitinho-Silva L, Liwinski T, Zenouzi R, Storm-Larsen C, Midttun Ø, McCann A, Ueland PM, Høivik ML, Vesterhus M, Trøseid M, Laudes M, Lieb W, Karlsen TH, Bang C, Schramm C, Franke A, Hov JR (2020)
Altered Gut Microbial Metabolism of Essential Nutrients in Primary Sclerosing Cholangitis
Gastroenterology, 160 (5), 1784-1798.e0
DOI 10.1053/j.gastro.2020.12.058, PubMed 33387530

Lapitz A, Arbelaiz A, O'Rourke CJ, Lavin JL, Casta A, Ibarra C, Jimeno JP, Santos-Laso A, Izquierdo-Sanchez L, Krawczyk M, Perugorria MJ, Jimenez-Aguero R, Sanchez-Campos A, Riaño I, Gónzalez E, Lammert F, Marzioni M, Macias RIR, Marin JJG, Karlsen TH, Bujanda L, Falcón-Pérez JM, Andersen JB, Aransay AM, Rodrigues PM et al. (2020)
Patients with Cholangiocarcinoma Present Specific RNA Profiles in Serum and Urine Extracellular Vesicles Mirroring the Tumor Expression: Novel Liquid Biopsy Biomarkers for Disease Diagnosis
Cells, 9 (3)
DOI 10.3390/cells9030721, PubMed 32183400

Lohse AW, Sebode M, Jørgensen MH, Ytting H, Karlsen TH, Kelly D, Manns MP, Vesterhus M, European Reference Network on Hepatological Diseases (ERN RARE-LIVER), International Autoimmune Hepatitis Group (IAIHG) (2020)
Second-line and third-line therapy for autoimmune hepatitis: A position statement from the European Reference Network on Hepatological Diseases and the International Autoimmune Hepatitis Group
J Hepatol, 73 (6), 1496-1506
DOI 10.1016/j.jhep.2020.07.023, PubMed 32707224

Severe Covid-19 GWAS Group, Ellinghaus D, Degenhardt F, Bujanda L, Buti M, Albillos A, Invernizzi P, Fernández J, Prati D, Baselli G, Asselta R, Grimsrud MM, Milani C, Aziz F, Kässens J, May S, Wendorff M, Wienbrandt L, Uellendahl-Werth F, Zheng T, Yi X, de Pablo R, Chercoles AG, Palom A, Garcia-Fernandez AE et al. (2020)
Genomewide Association Study of Severe Covid-19 with Respiratory Failure
N Engl J Med, 383 (16), 1522-1534
DOI 10.1056/NEJMoa2020283, PubMed 32558485

Thaventhiran JED, Lango Allen H, Burren OS, Rae W, Greene D, Staples E, Zhang Z, Farmery JHR, Simeoni I, Rivers E, Maimaris J, Penkett CJ, Stephens J, Deevi SVV, Sanchis-Juan A, Gleadall NS, Thomas MJ, Sargur RB, Gordins P, Baxendale HE, Brown M, Tuijnenburg P, Worth A, Hanson S, Linger RJ et al. (2020)
Whole-genome sequencing of a sporadic primary immunodeficiency cohort
Nature, 583 (7814), 90-95
DOI 10.1038/s41586-020-2265-1, PubMed 32499645

Thaventhiran JED, Lango Allen H, Burren OS, Rae W, Greene D, Staples E, Zhang Z, Farmery JHR, Simeoni I, Rivers E, Maimaris J, Penkett CJ, Stephens J, Deevi SVV, Sanchis-Juan A, Gleadall NS, Thomas MJ, Sargur RB, Gordins P, Baxendale HE, Brown M, Tuijnenburg P, Worth A, Hanson S, Linger RJ et al. (2020)
Publisher Correction: Whole-genome sequencing of a sporadic primary immunodeficiency cohort
Nature, 584 (7819), E2
DOI 10.1038/s41586-020-2556-6, PubMed 32678341

Valestrand L, Berntsen NL, Zheng F, Schrumpf E, Hansen SH, Karlsen TH, Blumberg RS, Hov JR, Jiang X, Melum E (2020)
Lipid antigens in bile from patients with chronic liver diseases activate natural killer T cells
Clin Exp Immunol, 203 (2), 304-314
DOI 10.1111/cei.13541, PubMed 33089489

Vesterhus M, Karlsen TH (2020)
Emerging therapies in primary sclerosing cholangitis: pathophysiological basis and clinical opportunities
J Gastroenterol, 55 (6), 588-614
DOI 10.1007/s00535-020-01681-z, PubMed 32222826

Vesterhus M, Nielsen MJ, Hov JR, Saffioti F, Manon-Jensen T, Leeming DJ, Moum B, Boberg KM, Pinzani M, Karlsen TH, Karsdal MA, Thorburn D (2020)
Comprehensive assessment of ECM turnover using serum biomarkers establishes PBC as a high-turnover autoimmune liver disease
JHEP Rep, 3 (1), 100178
DOI 10.1016/j.jhepr.2020.100178, PubMed 33225252

Publications 2019

Carpino G, Cardinale V, Folseraas T, Overi D, Grzyb K, Costantini D, Berloco PB, Di Matteo S, Karlsen TH, Alvaro D, Gaudio E (2019)
Neoplastic Transformation of the Peribiliary Stem Cell Niche in Cholangiocarcinoma Arisen in Primary Sclerosing Cholangitis
Hepatology, 69 (2), 622-638
DOI 10.1002/hep.30210, PubMed 30102768

Dhillon AK, Kremer AE, Kummen M, Boberg KM, Elferink RPO, Karlsen TH, Beuers U, Vesterhus M, Hov JR (2019)
Autotaxin activity predicts transplant-free survival in primary sclerosing cholangitis
Sci Rep, 9 (1), 8450
DOI 10.1038/s41598-019-44762-7, PubMed 31186435

Goode EC, Clark AB, Mells GF, Srivastava B, Spiess K, Gelson WTH, Trivedi PJ, Lynch KD, Castren E, Vesterhus MN, Karlsen TH, Ji SG, Anderson CA, Thorburn D, Hudson M, Heneghan MA, Aldersley MA, Bathgate A, Sandford RN, Alexander GJ, Chapman RW, Walmsley M, UK-PSC Consortium, Hirschfield GM, Rushbrook SM (2019)
Factors Associated With Outcomes of Patients With Primary Sclerosing Cholangitis and Development and Validation of a Risk Scoring System
Hepatology, 69 (5), 2120-2135
DOI 10.1002/hep.30479, PubMed 30566748

Jørgensen SF, Macpherson ME, Bjørnetrø T, Holm K, Kummen M, Rashidi A, Michelsen AE, Lekva T, Halvorsen B, Trøseid M, Mollnes TE, Berge RK, Yndestad A, Ueland T, Karlsen TH, Aukrust P, Hov JR, Fevang B (2019)
Rifaximin alters gut microbiota profile, but does not affect systemic inflammation - a randomized controlled trial in common variable immunodeficiency
Sci Rep, 9 (1), 167 (Retracted)
DOI 10.1038/s41598-018-35367-7, PubMed 30655568

Karlsen TH, Newsome PN (2019)
The dawn of a new EASL - A new chapter in the history of the European Association for the Study of the liver
J Hepatol, 71 (1), 5-8
DOI 10.1016/j.jhep.2019.03.010, PubMed 31056366

Liwinski T, Zenouzi R, John C, Ehlken H, Rühlemann MC, Bang C, Groth S, Lieb W, Kantowski M, Andersen N, Schachschal G, Karlsen TH, Hov JR, Rösch T, Lohse AW, Heeren J, Franke A, Schramm C (2019)
Alterations of the bile microbiome in primary sclerosing cholangitis
Gut, 69 (4), 665-672
DOI 10.1136/gutjnl-2019-318416, PubMed 31243055

Melum E, Jiang X, Baker KD, Macedo MF, Fritsch J, Dowds CM, Wang J, Pharo A, Kaser A, Tan C, Pereira CS, Kelly SL, Duan J, Karlsen TH, Exley MA, Schütze S, Zajonc DM, Merrill AH, Schuchman EH, Zeissig S, Blumberg RS (2019)
Control of CD1d-restricted antigen presentation and inflammation by sphingomyelin
Nat Immunol, 20 (12), 1644-1655
DOI 10.1038/s41590-019-0504-0, PubMed 31636468

Schneditz G, Elias JE, Pagano E, Zaeem Cader M, Saveljeva S, Long K, Mukhopadhyay S, Arasteh M, Lawley TD, Dougan G, Bassett A, Karlsen TH, Kaser A, Kaneider NC (2019)
GPR35 promotes glycolysis, proliferation, and oncogenic signaling by engaging with the sodium potassium pump
Sci Signal, 12 (562)
DOI 10.1126/scisignal.aau9048, PubMed 30600262

Thingholm LB, Rühlemann MC, Koch M, Fuqua B, Laucke G, Boehm R, Bang C, Franzosa EA, Hübenthal M, Rahnavard A, Frost F, Lloyd-Price J, Schirmer M, Lusis AJ, Vulpe CD, Lerch MM, Homuth G, Kacprowski T, Schmidt CO, Nöthlings U, Karlsen TH, Lieb W, Laudes M, Franke A, Huttenhower C (2019)
Obese Individuals with and without Type 2 Diabetes Show Different Gut Microbial Functional Capacity and Composition
Cell Host Microbe, 26 (2), 252-264.e10
DOI 10.1016/j.chom.2019.07.004, PubMed 31399369

Publications 2018

Berntsen NL, Fosby B, Tan C, Reims HM, Ogaard J, Jiang X, Schrumpf E, Valestrand L, Karlsen TH, Line PD, Blumberg RS, Melum E (2018)
Natural killer T cells mediate inflammation in the bile ducts
Mucosal Immunol, 11 (6), 1582-1590
DOI 10.1038/s41385-018-0066-8, PubMed 30115993

Broce I, Karch CM, Wen N, Fan CC, Wang Y, Tan CH, Kouri N, Ross OA, Höglinger GU, Muller U, Hardy J, International FTD-Genomics Consortium, Momeni P, Hess CP, Dillon WP, Miller ZA, Bonham LW, Rabinovici GD, Rosen HJ, Schellenberg GD, Franke A, Karlsen TH, Veldink JH, Ferrari R, Yokoyama JS et al. (2018)
Immune-related genetic enrichment in frontotemporal dementia: An analysis of genome-wide association studies
PLoS Med, 15 (1), e1002487
DOI 10.1371/journal.pmed.1002487, PubMed 29315334

Broce I, Karch CM, Wen N, Fan CC, Wang Y, Tan CH, Kouri N, Ross OA, Höglinger GU, Muller U, Hardy J, International FTD-Genomics Consortium, Momeni P, Hess CP, Dillon WP, Miller ZA, Bonham LW, Rabinovici GD, Rosen HJ, Schellenberg GD, Franke A, Karlsen TH, Veldink JH, Ferrari R, Yokoyama JS et al. (2018)
Correction: Immune-related genetic enrichment in frontotemporal dementia: An analysis of genome-wide association studies
PLoS Med, 15 (1), e1002504
DOI 10.1371/journal.pmed.1002504, PubMed 29377952

Chung BK, Henriksen EKK, Jørgensen KK, Karlsen TH, Hirschfield GM, Liaskou E (2018)
Gut and Liver B Cells of Common Clonal Origin in Primary Sclerosing Cholangitis-Inflammatory Bowel Disease
Hepatol Commun, 2 (8), 956-967
DOI 10.1002/hep4.1200, PubMed 30094406

Colombo M, Karlsen TH (2018)
The EASL International Liver Foundation: A growing pup with missions that are distinct yet integrated with those of its mother
J Hepatol, 70 (3), 339-342
DOI 10.1016/j.jhep.2018.11.017, PubMed 30577976

Cornberg M, Tacke F, Karlsen TH, European Association for the Study of the Liver (2018)
Clinical Practice Guidelines of the European Association for the study of the Liver - Advancing methodology but preserving practicability
J Hepatol, 70 (1), 5-7
DOI 10.1016/j.jhep.2018.10.011, PubMed 30420159

Dhillon AK, Kummen M, Trøseid M, Åkra S, Liaskou E, Moum B, Vesterhus M, Karlsen TH, Seljeflot I, Hov JR (2018)
Circulating markers of gut barrier function associated with disease severity in primary sclerosing cholangitis
Liver Int, 39 (2), 371-381
DOI 10.1111/liv.13979, PubMed 30269440

Eaton JE, Vesterhus M, McCauley BM, Atkinson EJ, Schlicht EM, Juran BD, Gossard AA, LaRusso NF, Gores GJ, Karlsen TH, Lazaridis KN (2018)
Primary Sclerosing Cholangitis Risk Estimate Tool (PREsTo) Predicts Outcomes of the Disease: A Derivation and Validation Study Using Machine Learning
Hepatology, 71 (1), 214-224
DOI 10.1002/hep.30085, PubMed 29742811

Karlsen TH, Tacke F (2018)
«The times they are a'changin'» - Positioning the European Association for the Study of the Liver in the changing landscape of hepatology
J Hepatol, 68 (5), 873-875
DOI 10.1016/j.jhep.2018.02.001, PubMed 29500035

Manns MP, Burra P, Sargent J, Horton R, Karlsen TH (2018)
The Lancet-EASL Commission on liver diseases in Europe: overcoming unmet needs, stigma, and inequities
Lancet, 392 (10148), 621-622
DOI 10.1016/S0140-6736(18)31734-3, PubMed 30060999

Nielsen MJ, Thorburn D, Leeming DJ, Hov JR, Nygård S, Moum B, Saffioti F, Gilja OH, Boberg KM, Mazza G, Røsjø H, Pinzani M, Karlsen TH, Karsdal MA, Vesterhus M (2018)
Serological markers of extracellular matrix remodeling predict transplant-free survival in primary sclerosing cholangitis
Aliment Pharmacol Ther, 48 (2), 179-189
DOI 10.1111/apt.14806, PubMed 29851098

Pollheimer MJ, Racedo S, Mikels-Vigdal A, Marshall D, Bowlus C, Lackner C, Madl T, Karlsen TH, Hov JR, Lyman SK, Adamkewicz J, Smith V, Moreau E, Zollner G, Eide TJ, Stojakovic T, Scharnagl H, Gruber HJ, Stauber RE, Trauner M, Fickert P (2018)
Lysyl oxidase-like protein 2 (LOXL2) modulates barrier function in cholangiocytes in cholestasis
J Hepatol, 69 (2), 368-377
DOI 10.1016/j.jhep.2018.04.009, PubMed 29709678

Tronstad RR, Polushina T, Brattbakk HR, Stansberg C, von Volkmann HL, Hanevik K, Ellinghaus E, Jørgensen SF, Ersland KM, Pham KD, Gilja OH, Hovdenak N, Hausken T, Vatn MH, Franke A, Knappskog PM, Le Hellard S, Karlsen TH, Fiskerstrand T (2018)
Genetic and transcriptional analysis of inflammatory bowel disease-associated pathways in patients with GUCY2C-linked familial diarrhea
Scand J Gastroenterol, 53 (10-11), 1264-1273
DOI 10.1080/00365521.2018.1521867, PubMed 30353760

Åberg F, Isoniemi H, Pukkala E, Jalanko H, Rasmussen A, Storm HH, Schultz N, Bennet W, Ekvall N, Ericzon BG, Malenicka S, Tretli S, Line PD, Boberg KM, Østensen A, Karlsen TH, Nordin A (2018)
Cancer After Liver Transplantation in Children and Young Adults: A Population-Based Study From 4 Nordic Countries
Liver Transpl, 24 (9), 1252-1259
DOI 10.1002/lt.25305, PubMed 30120902

Publications 2017

Alberts R, de Vries EMG, Goode EC, Jiang X, Sampaziotis F, Rombouts K, Böttcher K, Folseraas T, Weismüller TJ, Mason AL, Wang W, Alexander G, Alvaro D, Bergquist A, Björkström NK, Beuers U, Björnsson E, Boberg KM, Bowlus CL, Bragazzi MC, Carbone M, Chazouillères O, Cheung A, Dalekos G, Eaton J et al. (2017)
Genetic association analysis identifies variants associated with disease progression in primary sclerosing cholangitis
Gut, 67 (8), 1517-1524
DOI 10.1136/gutjnl-2016-313598, PubMed 28779025

Berntsen NL, Fosby B, Valestrand L, Tan C, Reims HM, Schrumpf E, Karlsen TH, Line PD, Melum E (2017)
Establishment of a surgical bile duct injection technique giving direct access to the bile ducts for studies of the murine biliary tree
Am J Physiol Gastrointest Liver Physiol, 314 (3), G349-G359
DOI 10.1152/ajpgi.00124.2017, PubMed 29212771

Carpino G, Cardinale V, Folseraas T, Overi D, Floreani A, Franchitto A, Onori P, Cazzagon N, Berloco PB, Karlsen TH, Alvaro D, Gaudio E (2017)
Hepatic Stem/Progenitor Cell Activation Differs between Primary Sclerosing and Primary Biliary Cholangitis
Am J Pathol, 188 (3), 627-639
DOI 10.1016/j.ajpath.2017.11.010, PubMed 29248458

Chung BK, Karlsen TH (2017)
Genetic Discoveries Highlight Environmental Factors as Key Drivers of Liver Disease
Dig Dis, 35 (4), 323-333
DOI 10.1159/000456583, PubMed 28468012

Chung BK, Karlsen TH, Folseraas T (2017)
Cholangiocytes in the pathogenesis of primary sclerosing cholangitis and development of cholangiocarcinoma
Biochim Biophys Acta Mol Basis Dis, 1864 (4 Pt B), 1390-1400
DOI 10.1016/j.bbadis.2017.08.020, PubMed 28844951

Claussen JC, Skiecevičienė J, Wang J, Rausch P, Karlsen TH, Lieb W, Baines JF, Franke A, Hütt MT (2017)
Boolean analysis reveals systematic interactions among low-abundance species in the human gut microbiome
PLoS Comput Biol, 13 (6), e1005361
DOI 10.1371/journal.pcbi.1005361, PubMed 28640804

de Vries EMG, Färkkilä M, Milkiewicz P, Hov JR, Eksteen B, Thorburn D, Chazouillères O, Pares A, Nygård S, Gilja OH, Wunsch E, Invernizzi P, Carbone M, Bernuzzi F, Boberg KM, Røsjø H, Rosenberg W, Beuers UH, Ponsioen CY, Karlsen TH, Vesterhus M (2017)
Enhanced liver fibrosis test predicts transplant-free survival in primary sclerosing cholangitis, a multi-centre study
Liver Int, 37 (10), 1554-1561
DOI 10.1111/liv.13402, PubMed 28267887

Henriksen EKK, Viken MK, Wittig M, Holm K, Folseraas T, Mucha S, Melum E, Hov JR, Lazaridis KN, Juran BD, Chazouillères O, Färkkilä M, Gotthardt DN, Invernizzi P, Carbone M, Hirschfield GM, Rushbrook SM, Goode E, UK-PSC Consortium, Ponsioen CY, Weersma RK, Eksteen B, Yimam KK, Gordon SC, Goldberg D et al. (2017)
HLA haplotypes in primary sclerosing cholangitis patients of admixed and non-European ancestry
HLA, 90 (4), 228-233
DOI 10.1111/tan.13076, PubMed 28695657

Hov JR, Karlsen TH (2017)
The Microbiome in Primary Sclerosing Cholangitis: Current Evidence and Potential Concepts
Semin Liver Dis, 37 (4), 314-331
DOI 10.1055/s-0037-1608801, PubMed 29272894

Jiang X, Karlsen TH (2017)
Genetics of primary sclerosing cholangitis and pathophysiological implications
Nat Rev Gastroenterol Hepatol, 14 (5), 279-295
DOI 10.1038/nrgastro.2016.154, PubMed 28293027

Karlsen TH, Folseraas T, Thorburn D, Vesterhus M (2017)
Primary sclerosing cholangitis - a comprehensive review
J Hepatol, 67 (6), 1298-1323
DOI 10.1016/j.jhep.2017.07.022, PubMed 28802875

Koch M, Freitag-Wolf S, Schlesinger S, Borggrefe J, Hov JR, Jensen MK, Pick J, Markus MRP, Höpfner T, Jacobs G, Siegert S, Artati A, Kastenmüller G, Römisch-Margl W, Adamski J, Illig T, Nothnagel M, Karlsen TH, Schreiber S, Franke A, Krawczak M, Nöthlings U, Lieb W (2017)
Serum metabolomic profiling highlights pathways associated with liver fat content in a general population sample
Eur J Clin Nutr, 71 (8), 995-1001
DOI 10.1038/ejcn.2017.43, PubMed 28378853

Maroni L, Hohenester SD, van de Graaf SFJ, Tolenaars D, van Lienden K, Verheij J, Marzioni M, Karlsen TH, Oude Elferink RPJ, Beuers U (2017)
Knockout of the primary sclerosing cholangitis-risk gene Fut2 causes liver disease in mice
Hepatology, 66 (2), 542-554
DOI 10.1002/hep.29029, PubMed 28056490

Nordin A, Åberg F, Pukkala E, Pedersen CR, Storm HH, Rasmussen A, Bennet W, Olausson M, Wilczek H, Ericzon BG, Tretli S, Line PD, Karlsen TH, Boberg KM, Isoniemi H (2017)
Decreasing incidence of cancer after liver transplantation-A Nordic population-based study over 3 decades
Am J Transplant, 18 (4), 952-963
DOI 10.1111/ajt.14507, PubMed 28925583

O'Hara SP, Karlsen TH, LaRusso NF (2017)
Cholangiocytes and the environment in primary sclerosing cholangitis: where is the link?
Gut, 66 (11), 1873-1877
DOI 10.1136/gutjnl-2017-314249, PubMed 28733279

Rosati E, Dowds CM, Liaskou E, Henriksen EKK, Karlsen TH, Franke A (2017)
Overview of methodologies for T-cell receptor repertoire analysis
BMC Biotechnol, 17 (1), 61
DOI 10.1186/s12896-017-0379-9, PubMed 28693542

Rühlemann MC, Degenhardt F, Thingholm LB, Wang J, Skiecevičienė J, Rausch P, Hov JR, Lieb W, Karlsen TH, Laudes M, Baines JF, Heinsen FA, Franke A (2017)
Application of the distance-based F test in an mGWAS investigating β diversity of intestinal microbiota identifies variants in SLC9A8 (NHE8) and 3 other loci
Gut Microbes, 9 (1), 68-75
DOI 10.1080/19490976.2017.1356979, PubMed 28816579

Sampaziotis F, Justin AW, Tysoe OC, Sawiak S, Godfrey EM, Upponi SS, Gieseck RL, de Brito MC, Berntsen NL, Gómez-Vázquez MJ, Ortmann D, Yiangou L, Ross A, Bargehr J, Bertero A, Zonneveld MCF, Pedersen MT, Pawlowski M, Valestrand L, Madrigal P, Georgakopoulos N, Pirmadjid N, Skeldon GM, Casey J, Shu W et al. (2017)
Reconstruction of the mouse extrahepatic biliary tree using primary human extrahepatic cholangiocyte organoids
Nat Med, 23 (8), 954-963
DOI 10.1038/nm.4360, PubMed 28671689

Schrumpf E, Jiang X, Zeissig S, Pollheimer MJ, Anmarkrud JA, Tan C, Exley MA, Karlsen TH, Blumberg RS, Melum E (2017)
The role of natural killer T cells in a mouse model with spontaneous bile duct inflammation
Physiol Rep, 5 (4)
DOI 10.14814/phy2.13117, PubMed 28219981

Tronstad RR, Kummen M, Holm K, von Volkmann HL, Anmarkrud JA, Høivik ML, Moum B, Gilja OH, Hausken T, Baines J, Karlsen TH, Fiskerstrand T, Hov JR (2017)
Guanylate Cyclase C Activation Shapes the Intestinal Microbiota in Patients with Familial Diarrhea and Increased Susceptibility for Crohn's Disease
Inflamm Bowel Dis, 23 (10), 1752-1761
DOI 10.1097/MIB.0000000000001264, PubMed 28902124

Vesterhus M, Holm A, Hov JR, Nygård S, Schrumpf E, Melum E, Thorbjørnsen LW, Paulsen V, Lundin K, Dale I, Gilja OH, Zweers SJLB, Vatn M, Schaap FG, Jansen PLM, Ueland T, Røsjø H, Moum B, Ponsioen CY, Boberg KM, Färkkilä M, Karlsen TH, Lund-Johansen F (2017)
Novel serum and bile protein markers predict primary sclerosing cholangitis disease severity and prognosis
J Hepatol, 66 (6), 1214-1222
DOI 10.1016/j.jhep.2017.01.019, PubMed 28161472

Weismüller TJ, Trivedi PJ, Bergquist A, Imam M, Lenzen H, Ponsioen CY, Holm K, Gotthardt D, Färkkilä MA, Marschall HU, Thorburn D, Weersma RK, Fevery J, Mueller T, Chazouillères O, Schulze K, Lazaridis KN, Almer S, Pereira SP, Levy C, Mason A, Naess S, Bowlus CL, Floreani A, Halilbasic E et al. (2017)
Patient Age, Sex, and Inflammatory Bowel Disease Phenotype Associate With Course of Primary Sclerosing Cholangitis
Gastroenterology, 152 (8), 1975-1984.e8
DOI 10.1053/j.gastro.2017.02.038, PubMed 28274849

Witoelar A, Jansen IE, Wang Y, Desikan RS, Gibbs JR, Blauwendraat C, Thompson WK, Hernandez DG, Djurovic S, Schork AJ, Bettella F, Ellinghaus D, Franke A, Lie BA, McEvoy LK, Karlsen TH, Lesage S, Morris HR, Brice A, Wood NW, Heutink P, Hardy J, Singleton AB, Dale AM, Gasser T et al. (2017)
Genome-wide Pleiotropy Between Parkinson Disease and Autoimmune Diseases
JAMA Neurol, 74 (7), 780-792
DOI 10.1001/jamaneurol.2017.0469, PubMed 28586827

Aabakken L, Karlsen TH, Albert J, Arvanitakis M, Chazouilleres O, Dumonceau JM, Färkkilä M, Fickert P, Hirschfield GM, Laghi A, Marzioni M, Fernandez M, Pereira SP, Pohl J, Poley JW, Ponsioen CY, Schramm C, Swahn F, Tringali A, Hassan C (2017)
Role of endoscopy in primary sclerosing cholangitis: European Society of Gastrointestinal Endoscopy (ESGE) and European Association for the Study of the Liver (EASL) Clinical Guideline
Endoscopy, 49 (6), 588-608
DOI 10.1055/s-0043-107029, PubMed 28420030

Publications 2016

Chung BK, Guevel BT, Reynolds GM, Gupta Udatha DB, Henriksen EK, Stamataki Z, Hirschfield GM, Karlsen TH, Liaskou E (2016)
Phenotyping and auto-antibody production by liver-infiltrating B cells in primary sclerosing cholangitis and primary biliary cholangitis
J Autoimmun, 77, 45-54
DOI 10.1016/j.jaut.2016.10.003, PubMed 27784538

Ellinghaus D, Jostins L, Spain SL, Cortes A, Bethune J, Han B, Park YR, Raychaudhuri S, Pouget JG, Hübenthal M, Folseraas T, Wang Y, Esko T, Metspalu A, Westra HJ, Franke L, Pers TH, Weersma RK, Collij V, D'Amato M, Halfvarson J, Jensen AB, Lieb W, Degenhardt F, Forstner AJ et al. (2016)
Analysis of five chronic inflammatory diseases identifies 27 new associations and highlights disease-specific patterns at shared loci
Nat Genet, 48 (5), 510-8
DOI 10.1038/ng.3528, PubMed 26974007

Henriksen EK, Jørgensen KK, Kaveh F, Holm K, Hamm D, Olweus J, Melum E, Chung BK, Eide TJ, Lundin KE, Boberg KM, Karlsen TH, Hirschfield GM, Liaskou E (2016)
Gut and liver T-cells of common clonal origin in primary sclerosing cholangitis-inflammatory bowel disease
J Hepatol, 66 (1), 116-122
DOI 10.1016/j.jhep.2016.09.002, PubMed 27647428

Hov JR, Boberg KM, Taraldsrud E, Vesterhus M, Boyadzhieva M, Solberg IC, Schrumpf E, Vatn MH, Lie BA, Molberg Ø, Karlsen TH (2016)
Antineutrophil antibodies define clinical and genetic subgroups in primary sclerosing cholangitis
Liver Int, 37 (3), 458-465
DOI 10.1111/liv.13238, PubMed 27558072

Jendrek ST, Gotthardt D, Nitzsche T, Widmann L, Korf T, Michaels MA, Weiss KH, Liaskou E, Vesterhus M, Karlsen TH, Mindorf S, Schemmer P, Bär F, Teegen B, Schröder T, Ehlers M, Hammers CM, Komorowski L, Lehnert H, Fellermann K, Derer S, Hov JR, Sina C (2016)
Anti-GP2 IgA autoantibodies are associated with poor survival and cholangiocarcinoma in primary sclerosing cholangitis
Gut, 66 (1), 137-144
DOI 10.1136/gutjnl-2016-311739, PubMed 27406039

Ji SG, Juran BD, Mucha S, Folseraas T, Jostins L, Melum E, Kumasaka N, Atkinson EJ, Schlicht EM, Liu JZ, Shah T, Gutierrez-Achury J, Boberg KM, Bergquist A, Vermeire S, Eksteen B, Durie PR, Farkkila M, Müller T, Schramm C, Sterneck M, Weismüller TJ, Gotthardt DN, Ellinghaus D, Braun F et al. (2016)
Genome-wide association study of primary sclerosing cholangitis identifies new risk loci and quantifies the genetic relationship with inflammatory bowel disease
Nat Genet, 49 (2), 269-273
DOI 10.1038/ng.3745, PubMed 27992413

Jørgensen SF, Macpherson ME, Bjøro K, Karlsen TH, Reims HM, Grzyb K, Fosby B, Fevang B, Aukrust P, Nordøy I (2016)
Liver transplantation in patients with primary antibody deficiency
J Allergy Clin Immunol, 139 (5), 1708-1710.e2
DOI 10.1016/j.jaci.2016.10.025, PubMed 27931972

Jørgensen SF, Reims HM, Frydenlund D, Holm K, Paulsen V, Michelsen AE, Jørgensen KK, Osnes LT, Bratlie J, Eide TJ, Dahl CP, Holter E, Tronstad RR, Hanevik K, Brattbakk HR, Kaveh F, Fiskerstrand T, Kran AB, Ueland T, Karlsen TH, Aukrust P, Lundin KE, Fevang B (2016)
A Cross-Sectional Study of the Prevalence of Gastrointestinal Symptoms and Pathology in Patients With Common Variable Immunodeficiency
Am J Gastroenterol, 111 (10), 1467-1475
DOI 10.1038/ajg.2016.329, PubMed 27527747

Jørgensen SF, Trøseid M, Kummen M, Anmarkrud JA, Michelsen AE, Osnes LT, Holm K, Høivik ML, Rashidi A, Dahl CP, Vesterhus M, Halvorsen B, Mollnes TE, Berge RK, Moum B, Lundin KE, Fevang B, Ueland T, Karlsen TH, Aukrust P, Hov JR (2016)
Altered gut microbiota profile in common variable immunodeficiency associates with levels of lipopolysaccharide and markers of systemic immune activation
Mucosal Immunol, 9 (6), 1455-1465
DOI 10.1038/mi.2016.18, PubMed 26982597

Karlsen TH (2016)
Primary sclerosing cholangitis: 50 years of a gut-liver relationship and still no love?
Gut, 65 (10), 1579-81
DOI 10.1136/gutjnl-2016-312137, PubMed 27402486

Kummen M, Holm K, Anmarkrud JA, Nygård S, Vesterhus M, Høivik ML, Trøseid M, Marschall HU, Schrumpf E, Moum B, Røsjø H, Aukrust P, Karlsen TH, Hov JR (2016)
The gut microbial profile in patients with primary sclerosing cholangitis is distinct from patients with ulcerative colitis without biliary disease and healthy controls
Gut, 66 (4), 611-619
DOI 10.1136/gutjnl-2015-310500, PubMed 26887816

Kummen M, Vesterhus M, Trøseid M, Moum B, Svardal A, Boberg KM, Aukrust P, Karlsen TH, Berge RK, Hov JR (2016)
Elevated trimethylamine-N-oxide (TMAO) is associated with poor prognosis in primary sclerosing cholangitis patients with normal liver function
United European Gastroenterol J, 5 (4), 532-541
DOI 10.1177/2050640616663453, PubMed 28588885

Lunder AK, Hov JR, Borthne A, Gleditsch J, Johannesen G, Tveit K, Viktil E, Henriksen M, Hovde Ø, Huppertz-Hauss G, Høie O, Høivik ML, Monstad I, Solberg IC, Jahnsen J, Karlsen TH, Moum B, Vatn M, Negård A (2016)
Prevalence of Sclerosing Cholangitis Detected by Magnetic Resonance Cholangiography in Patients With Long-term Inflammatory Bowel Disease
Gastroenterology, 151 (4), 660-669.e4
DOI 10.1053/j.gastro.2016.06.021, PubMed 27342213

Malenicka S, Ericzon BG, Jørgensen MH, Isoniemi H, Karlsen TH, Krantz M, Naeser V, Olausson M, Rasmussen A, Rönnholm K, Sanengen T, Scholz T, Fischler B, Nemeth A (2016)
Impaired intention-to-treat survival after listing for liver transplantation in children with biliary atresia compared to other chronic liver diseases: 20 years' experience from the Nordic countries
Pediatr Transplant, 21 (2)
DOI 10.1111/petr.12851, PubMed 27957786

Maroni L, Agostinelli L, Saccomanno S, Pinto C, Giordano DM, Rychlicki C, De Minicis S, Trozzi L, Banales JM, Melum E, Karlsen TH, Benedetti A, Baroni GS, Marzioni M (2016)
Nlrp3 Activation Induces Il-18 Synthesis and Affects the Epithelial Barrier Function in Reactive Cholangiocytes
Am J Pathol, 187 (2), 366-376
DOI 10.1016/j.ajpath.2016.10.010, PubMed 27912077

Schrumpf E, Kummen M, Valestrand L, Greiner TU, Holm K, Arulampalam V, Reims HM, Baines J, Bäckhed F, Karlsen TH, Blumberg RS, Hov JR, Melum E (2016)
The gut microbiota contributes to a mouse model of spontaneous bile duct inflammation
J Hepatol, 66 (2), 382-389
DOI 10.1016/j.jhep.2016.09.020, PubMed 27720803

Skagen K, Trøseid M, Ueland T, Holm S, Abbas A, Gregersen I, Kummen M, Bjerkeli V, Reier-Nilsen F, Russell D, Svardal A, Karlsen TH, Aukrust P, Berge RK, Hov JE, Halvorsen B, Skjelland M (2016)
The Carnitine-butyrobetaine-trimethylamine-N-oxide pathway and its association with cardiovascular mortality in patients with carotid atherosclerosis
Atherosclerosis, 247, 64-9
DOI 10.1016/j.atherosclerosis.2016.01.033, PubMed 26868510

Saadati HR, Wittig M, Helbig I, Häsler R, Anderson CA, Mathew CG, Kupcinskas L, Parkes M, Karlsen TH, Rosenstiel P, Schreiber S, Franke A (2016)
Genome-wide rare copy number variation screening in ulcerative colitis identifies potential susceptibility loci
BMC Med Genet, 17, 26
DOI 10.1186/s12881-016-0289-z, PubMed 27037036

Wang J, Thingholm LB, Skiecevičienė J, Rausch P, Kummen M, Hov JR, Degenhardt F, Heinsen FA, Rühlemann MC, Szymczak S, Holm K, Esko T, Sun J, Pricop-Jeckstadt M, Al-Dury S, Bohov P, Bethune J, Sommer F, Ellinghaus D, Berge RK, Hübenthal M, Koch M, Schwarz K, Rimbach G, Hübbe P et al. (2016)
Genome-wide association analysis identifies variation in vitamin D receptor and other host factors influencing the gut microbiota
Nat Genet, 48 (11), 1396-1406
DOI 10.1038/ng.3695, PubMed 27723756

Yokoyama JS, Wang Y, Schork AJ, Thompson WK, Karch CM, Cruchaga C, McEvoy LK, Witoelar A, Chen CH, Holland D, Brewer JB, Franke A, Dillon WP, Wilson DM, Mukherjee P, Hess CP, Miller Z, Bonham LW, Shen J, Rabinovici GD, Rosen HJ, Miller BL, Hyman BT, Schellenberg GD, Karlsen TH et al. (2016)
Association Between Genetic Traits for Immune-Mediated Diseases and Alzheimer Disease
JAMA Neurol, 73 (6), 691-7
DOI 10.1001/jamaneurol.2016.0150, PubMed 27088644

Zenouzi R, Weismüller TJ, Jørgensen KK, Bubenheim M, Lenzen H, Hübener P, Schulze K, Weiler-Normann C, Sebode M, Ehlken H, Pannicke N, Hartl J, Peiseler M, Hübener S, Karlsen TH, Boberg KM, Manns MP, Lohse AW, Schramm C (2016)
No Evidence That Azathioprine Increases Risk of Cholangiocarcinoma in Patients With Primary Sclerosing Cholangitis
Clin Gastroenterol Hepatol, 14 (12), 1806-1812
DOI 10.1016/j.cgh.2016.07.032, PubMed 27521513

Zweers SJ, Shiryaev A, Komuta M, Vesterhus M, Hov JR, Perugorria MJ, de Waart DR, Chang JC, Tol S, Te Velde AA, de Jonge WJ, Banales JM, Roskams T, Beuers U, Karlsen TH, Jansen PL, Schaap FG (2016)
Elevated interleukin-8 in bile of patients with primary sclerosing cholangitis
Liver Int, 36 (9), 1370-7
DOI 10.1111/liv.13092, PubMed 26866350

Publications 2015

Andersen IM, Fosby B, Boberg KM, Clausen OP, Jebsen P, Melum E, Line PD, Foss A, Schrumpf E, Karlsen TH (2015)
Indications and Outcomes in Liver Transplantation in Patients With Primary Sclerosing Cholangitis in Norway
Transplant Direct, 1 (9), e39
DOI 10.1097/TXD.0000000000000548, PubMed 27500239

Andreassen OA, Desikan RS, Wang Y, Thompson WK, Schork AJ, Zuber V, Doncheva NT, Ellinghaus E, Albrecht M, Mattingsdal M, Franke A, Lie BA, Mills IG, Aukrust P, McEvoy LK, Djurovic S, Karlsen TH, Dale AM (2015)
Abundant genetic overlap between blood lipids and immune-mediated diseases indicates shared molecular genetic mechanisms
PLoS One, 10 (4), e0123057
DOI 10.1371/journal.pone.0123057, PubMed 25853426

Andreassen OA, Desikan RS, Wang Y, Thompson WK, Schork AJ, Zuber V, Doncheva NT, Ellinghaus E, Albrecht M, Mattingsdal M, Franke A, Lie BA, Mills IG, Aukrust P, McEvoy LK, Djurovic S, Karlsen TH, Dale AM (2015)
Correction: Abundant Genetic Overlap between Blood Lipids and Immune-Mediated Diseases Indicates Shared Molecular Genetic Mechanisms
PLoS One, 10 (5), e0128048
DOI 10.1371/journal.pone.0128048, PubMed 25978331

Berntsen NL, Klingenberg O, Juran BD, Benito de Valle M, Lindkvist B, Lazaridis KN, Boberg KM, Karlsen TH, Hov JR (2015)
Association Between HLA Haplotypes and Increased Serum Levels of IgG4 in Patients With Primary Sclerosing Cholangitis
Gastroenterology, 148 (5), 924-927.e2
DOI 10.1053/j.gastro.2015.01.041, PubMed 25655558

Carpino G, Cardinale V, Renzi A, Hov JR, Berloco PB, Rossi M, Karlsen TH, Alvaro D, Gaudio E (2015)
Activation of biliary tree stem cells within peribiliary glands in primary sclerosing cholangitis
J Hepatol, 63 (5), 1220-8
DOI 10.1016/j.jhep.2015.06.018, PubMed 26119688

D'Agnolo HM, Kievit W, Andrade RJ, Karlsen TH, Wedemeyer H, Drenth JP (2015)
Creating an effective clinical registry for rare diseases
United European Gastroenterol J, 4 (3), 333-8
DOI 10.1177/2050640615618042, PubMed 27403298

Folseraas T, Liaskou E, Anderson CA, Karlsen TH (2015)
Genetics in PSC: what do the "risk genes" teach us?
Clin Rev Allergy Immunol, 48 (2-3), 154-64
DOI 10.1007/s12016-014-8417-z, PubMed 24736995

Fosby B, Melum E, Bjøro K, Bennet W, Rasmussen A, Andersen IM, Castedal M, Olausson M, Wibeck C, Gotlieb M, Gjertsen H, Toivonen L, Foss S, Makisalo H, Nordin A, Sanengen T, Bergquist A, Larsson ME, Soderdahl G, Nowak G, Boberg KM, Isoniemi H, Keiding S, Foss A, Line PD et al. (2015)
Liver transplantation in the Nordic countries - An intention to treat and post-transplant analysis from The Nordic Liver Transplant Registry 1982-2013
Scand J Gastroenterol, 50 (6), 797-808
DOI 10.3109/00365521.2015.1036359, PubMed 25959101

Goyette P, Boucher G, Mallon D, Ellinghaus E, Jostins L, Huang H, Ripke S, Gusareva ES, Annese V, Hauser SL, Oksenberg JR, Thomsen I, Leslie S, International Inflammatory Bowel Disease Genetics Consortium, Australia and New Zealand IBDGC, Belgium IBD Genetics Consortium, Italian Group for IBD Genetic Consortium, NIDDK Inflammatory Bowel Disease Genetics Consortium, United Kingdom IBDGC, Wellcome Trust Case Control Consortium, Quebec IBD Genetics Consortium, Daly MJ, Van Steen K, Duerr RH, Barrett JC et al. (2015)
High-density mapping of the MHC identifies a shared role for HLA-DRB1*01:03 in inflammatory bowel diseases and heterozygous advantage in ulcerative colitis
Nat Genet, 47 (2), 172-9
DOI 10.1038/ng.3176, PubMed 25559196

Harbord M, Annese V, Vavricka SR, Allez M, Barreiro-de Acosta M, Boberg KM, Burisch J, De Vos M, De Vries AM, Dick AD, Juillerat P, Karlsen TH, Koutroubakis I, Lakatos PL, Orchard T, Papay P, Raine T, Reinshagen M, Thaci D, Tilg H, Carbonnel F, European Crohn’s and Colitis Organisation (2015)
The First European Evidence-based Consensus on Extra-intestinal Manifestations in Inflammatory Bowel Disease
J Crohns Colitis, 10 (3), 239-54
DOI 10.1093/ecco-jcc/jjv213, PubMed 26614685

Hov JR, Zhong H, Qin B, Anmarkrud JA, Holm K, Franke A, Lie BA, Karlsen TH (2015)
The Influence of the Autoimmunity-Associated Ancestral HLA Haplotype AH8.1 on the Human Gut Microbiota: A Cross-Sectional Study
PLoS One, 10 (7), e0133804
DOI 10.1371/journal.pone.0133804, PubMed 26207384

Karlsen TH, Chung BK (2015)
Genetic Risk and the Development of Autoimmune Liver Disease
Dig Dis, 33 Suppl 2, 13-24
DOI 10.1159/000440706, PubMed 26641277

Karlsen TH, Lammert F, Thompson RJ (2015)
Genetics of liver disease: From pathophysiology to clinical practice
J Hepatol, 62 (1 Suppl), S6-S14
DOI 10.1016/j.jhep.2015.02.025, PubMed 25920091

Kevans D, Tyler AD, Holm K, Jørgensen KK, Vatn MH, Karlsen TH, Kaplan GG, Eksteen B, Gevers D, Hov JR, Silverberg MS (2015)
Characterization of Intestinal Microbiota in Ulcerative Colitis Patients with and without Primary Sclerosing Cholangitis
J Crohns Colitis, 10 (3), 330-7
DOI 10.1093/ecco-jcc/jjv204, PubMed 26526357

Li J, Jørgensen SF, Maggadottir SM, Bakay M, Warnatz K, Glessner J, Pandey R, Salzer U, Schmidt RE, Perez E, Resnick E, Goldacker S, Buchta M, Witte T, Padyukov L, Videm V, Folseraas T, Atschekzei F, Elder JT, Nair RP, Winkelmann J, Gieger C, Nöthen MM, Büning C, Brand S et al. (2015)
Association of CLEC16A with human common variable immunodeficiency disorder and role in murine B cells
Nat Commun, 6, 6804
DOI 10.1038/ncomms7804, PubMed 25891430

Liaskou E, Klemsdal Henriksen EK, Holm K, Kaveh F, Hamm D, Fear J, Viken MK, Hov JR, Melum E, Robins H, Olweus J, Karlsen TH, Hirschfield GM (2015)
High-throughput T-cell receptor sequencing across chronic liver diseases reveals distinct disease-associated repertoires
Hepatology, 63 (5), 1608-19
DOI 10.1002/hep.28116, PubMed 26257205

Maggadottir SM, Li J, Glessner JT, Li YR, Wei Z, Chang X, Mentch FD, Thomas KA, Kim CE, Zhao Y, Hou C, Wang F, Jørgensen SF, Perez EE, Sullivan KE, Orange JS, Karlsen TH, Chapel H, Cunningham-Rundles C, Hakonarson H (2015)
Rare variants at 16p11.2 are associated with common variable immunodeficiency
J Allergy Clin Immunol, 135 (6), 1569-77
DOI 10.1016/j.jaci.2014.12.1939, PubMed 25678086

Olin P, Hausken J, Foss A, Karlsen TH, Melum E, Haugaa H (2015)
Continuous molecular adsorbent recirculating system treatment in 69 patients listed for liver transplantation
Scand J Gastroenterol, 50 (9), 1127-34
DOI 10.3109/00365521.2015.1027262, PubMed 25865318

Ponsioen CY, Chapman RW, Chazouillères O, Hirschfield GM, Karlsen TH, Lohse AW, Pinzani M, Schrumpf E, Trauner M, Gores GJ (2015)
Surrogate endpoints for clinical trials in primary sclerosing cholangitis: Review and results from an International PSC Study Group consensus process
Hepatology, 63 (4), 1357-67
DOI 10.1002/hep.28256, PubMed 26418478

Sampaziotis F, de Brito MC, Madrigal P, Bertero A, Saeb-Parsy K, Soares FAC, Schrumpf E, Melum E, Karlsen TH, Bradley JA, Gelson WT, Davies S, Baker A, Kaser A, Alexander GJ, Hannan NRF, Vallier L (2015)
Cholangiocytes derived from human induced pluripotent stem cells for disease modeling and drug validation
Nat Biotechnol, 33 (8), 845-852
DOI 10.1038/nbt.3275, PubMed 26167629

Schrumpf E, Boberg KM, Karlsen TH (2015)
Primary sclerosing cholangitis - the Norwegian experience
Scand J Gastroenterol, 50 (6), 781-96
DOI 10.3109/00365521.2015.1028996, PubMed 25866138

Schrumpf E, Tan C, Karlsen TH, Sponheim J, Björkström NK, Sundnes O, Alfsnes K, Kaser A, Jefferson DM, Ueno Y, Eide TJ, Haraldsen G, Zeissig S, Exley MA, Blumberg RS, Melum E (2015)
The biliary epithelium presents antigens to and activates natural killer T cells
Hepatology, 62 (4), 1249-59
DOI 10.1002/hep.27840, PubMed 25855031

Thorsen T, Dahlgren US, Aandahl EM, Grzyb K, Karlsen TH, Boberg KM, Rydberg L, Naper C, Foss A, Bennet W (2015)
Liver transplantation with deceased ABO-incompatible donors is life-saving but associated with increased risk of rejection and post-transplant complications
Transpl Int, 28 (7), 800-12
DOI 10.1111/tri.12552, PubMed 25736519

Thorsen T, Aandahl EM, Bennet W, Olausson M, Ericzon BG, Nowak G, Duraj F, Isoniemi H, Rasmussen A, Karlsen TH, Foss A (2015)
Transplantation With Livers From Deceased Donors Older Than 75 Years
Transplantation, 99 (12), 2534-42
DOI 10.1097/TP.0000000000000728, PubMed 25909464

Vesterhus M, Hov JR, Holm A, Schrumpf E, Nygård S, Godang K, Andersen IM, Naess S, Thorburn D, Saffioti F, Vatn M, Gilja OH, Lund-Johansen F, Syversveen T, Brabrand K, Parés A, Ponsioen CY, Pinzani M, Färkkilä M, Moum B, Ueland T, Røsjø H, Rosenberg W, Boberg KM, Karlsen TH (2015)
Enhanced liver fibrosis score predicts transplant-free survival in primary sclerosing cholangitis
Hepatology, 62 (1), 188-97
DOI 10.1002/hep.27825, PubMed 25833813

Vukcevic D, Traherne JA, Næss S, Ellinghaus E, Kamatani Y, Dilthey A, Lathrop M, Karlsen TH, Franke A, Moffatt M, Cookson W, Trowsdale J, McVean G, Sawcer S, Leslie S (2015)
Imputation of KIR Types from SNP Variation Data
Am J Hum Genet, 97 (4), 593-607
DOI 10.1016/j.ajhg.2015.09.005, PubMed 26430804

Wittig M, Anmarkrud JA, Kässens JC, Koch S, Forster M, Ellinghaus E, Hov JR, Sauer S, Schimmler M, Ziemann M, Görg S, Jacob F, Karlsen TH, Franke A (2015)
Development of a high-resolution NGS-based HLA-typing and analysis pipeline
Nucleic Acids Res, 43 (11), e70
DOI 10.1093/nar/gkv184, PubMed 25753671

Åberg F, Gissler M, Karlsen TH, Ericzon BG, Foss A, Rasmussen A, Bennet W, Olausson M, Line PD, Nordin A, Bergquist A, Boberg KM, Castedal M, Pedersen CR, Isoniemi H (2015)
Differences in long-term survival among liver transplant recipients and the general population: a population-based Nordic study
Hepatology, 61 (2), 668-77
DOI 10.1002/hep.27538, PubMed 25266201

Publications 2014

Andreassen OA, McEvoy LK, Thompson WK, Wang Y, Reppe S, Schork AJ, Zuber V, Barrett-Connor E, Gautvik K, Aukrust P, Karlsen TH, Djurovic S, Desikan RS, Dale AM, International Consortium for Blood Pressure Genome-Wide Association Studies, Genetic Factors for Osteoporosis Consortium (2014)
Identifying common genetic variants in blood pressure due to polygenic pleiotropy with associated phenotypes
Hypertension, 63 (4), 819-26
DOI 10.1161/HYPERTENSIONAHA.113.02077, PubMed 24396023

Fickert P, Pollheimer MJ, Beuers U, Lackner C, Hirschfield G, Housset C, Keitel V, Schramm C, Marschall HU, Karlsen TH, Melum E, Kaser A, Eksteen B, Strazzabosco M, Manns M, Trauner M, International PSC Study Group (IPSCSG) (2014)
Characterization of animal models for primary sclerosing cholangitis (PSC)
J Hepatol, 60 (6), 1290-303
DOI 10.1016/j.jhep.2014.02.006, PubMed 24560657

Flachsbart F, Caliebe A, Heinsen FA, Hemming-Karlsen T, Schreiber S, Franke A, Nebel A (2014)
Investigation of complement component C4 copy number variation in human longevity
PLoS One, 9 (1), e86188
DOI 10.1371/journal.pone.0086188, PubMed 24465950

Fosby B, Næss S, Hov JR, Traherne J, Boberg KM, Trowsdale J, Foss A, Line PD, Franke A, Melum E, Scott H, Karlsen TH (2014)
HLA variants related to primary sclerosing cholangitis influence rejection after liver transplantation
World J Gastroenterol, 20 (14), 3986-4000
DOI 10.3748/wjg.v20.i14.3986, PubMed 24744588

Henriksen EK, Melum E, Karlsen TH (2014)
Update on primary sclerosing cholangitis genetics
Curr Opin Gastroenterol, 30 (3), 310-9
DOI 10.1097/MOG.0000000000000052, PubMed 24565892

Hirschfield GM, Karlsen TH (2014)
Genetic risks link autoimmune hepatitis to other autoimmune liver disease
Gastroenterology, 147 (2), 270-3
DOI 10.1053/j.gastro.2014.06.020, PubMed 24973678

Naess S, Björnsson E, Anmarkrud JA, Al Mamari S, Juran BD, Lazaridis KN, Chapman R, Bergquist A, Melum E, Marsh SG, Schrumpf E, Lie BA, Boberg KM, Karlsen TH, Hov JR (2014)
Small duct primary sclerosing cholangitis without inflammatory bowel disease is genetically different from large duct disease
Liver Int, 34 (10), 1488-95
DOI 10.1111/liv.12492, PubMed 24517468

Næss S, Lie BA, Melum E, Olsson M, Hov JR, Croucher PJ, Hampe J, Thorsby E, Bergquist A, Traherne JA, Schrumpf E, Boberg KM, Schreiber S, Franke A, Karlsen TH (2014)
Refinement of the MHC risk map in a scandinavian primary sclerosing cholangitis population
PLoS One, 9 (12), e114486
DOI 10.1371/journal.pone.0114486, PubMed 25521205

Trøseid M, Ueland T, Hov JR, Svardal A, Gregersen I, Dahl CP, Aakhus S, Gude E, Bjørndal B, Halvorsen B, Karlsen TH, Aukrust P, Gullestad L, Berge RK, Yndestad A (2014)
Microbiota-dependent metabolite trimethylamine-N-oxide is associated with disease severity and survival of patients with chronic heart failure
J Intern Med, 277 (6), 717-26
DOI 10.1111/joim.12328, PubMed 25382824

Publications 2013

Andersen IM, Tengesdal G, Lie BA, Boberg KM, Karlsen TH, Hov JR (2013)
Effects of coffee consumption, smoking, and hormones on risk for primary sclerosing cholangitis
Clin Gastroenterol Hepatol, 12 (6), 1019-28
DOI 10.1016/j.cgh.2013.09.024, PubMed 24076415

Ellinghaus D, Folseraas T, Holm K, Ellinghaus E, Melum E, Balschun T, Laerdahl JK, Shiryaev A, Gotthardt DN, Weismüller TJ, Schramm C, Wittig M, Bergquist A, Björnsson E, Marschall HU, Vatn M, Teufel A, Rust C, Gieger C, Wichmann HE, Runz H, Sterneck M, Rupp C, Braun F, Weersma RK et al. (2013)
Genome-wide association analysis in primary sclerosing cholangitis and ulcerative colitis identifies risk loci at GPR35 and TCF4
Hepatology, 58 (3), 1074-83
DOI 10.1002/hep.25977, PubMed 22821403

Ellinghaus D, Zhang H, Zeissig S, Lipinski S, Till A, Jiang T, Stade B, Bromberg Y, Ellinghaus E, Keller A, Rivas MA, Skieceviciene J, Doncheva NT, Liu X, Liu Q, Jiang F, Forster M, Mayr G, Albrecht M, Häsler R, Boehm BO, Goodall J, Berzuini CR, Lee J, Andersen V et al. (2013)
Association between variants of PRDM1 and NDP52 and Crohn's disease, based on exome sequencing and functional studies
Gastroenterology, 145 (2), 339-47
DOI 10.1053/j.gastro.2013.04.040, PubMed 23624108

Friedrich K, Rupp C, Hov JR, Steinebrunner N, Weiss KH, Stiehl A, Brune M, Schaefer PK, Schemmer P, Sauer P, Schirmacher P, Runz H, Karlsen TH, Stremmel W, Gotthardt DN (2013)
A frequent PNPLA3 variant is a sex specific disease modifier in PSC patients with bile duct stenosis
PLoS One, 8 (3), e58734
DOI 10.1371/journal.pone.0058734, PubMed 23505555

Hirschfield GM, Chapman RW, Karlsen TH, Lammert F, Lazaridis KN, Mason AL (2013)
The genetics of complex cholestatic disorders
Gastroenterology, 144 (7), 1357-74
DOI 10.1053/j.gastro.2013.03.053, PubMed 23583734

Hirschfield GM, Karlsen TH, Lindor KD, Adams DH (2013)
Primary sclerosing cholangitis
Lancet, 382 (9904), 1587-99
DOI 10.1016/S0140-6736(13)60096-3, PubMed 23810223

Jørgensen KK, Lindström L, Cvancarova M, Karlsen TH, Castedal M, Friman S, Schrumpf E, Foss A, Isoniemi H, Nordin A, Holte K, Rasmussen A, Bergquist A, Vatn MH, Boberg KM (2013)
Immunosuppression after liver transplantation for primary sclerosing cholangitis influences activity of inflammatory bowel disease
Clin Gastroenterol Hepatol, 11 (5), 517-23
DOI 10.1016/j.cgh.2012.12.027, PubMed 23333218

Karlsen TH, Boberg KM (2013)
Update on primary sclerosing cholangitis
J Hepatol, 59 (3), 571-82
DOI 10.1016/j.jhep.2013.03.015, PubMed 23603668

Karlsen TH, Vesterhus M, Boberg KM (2013)
Review article: controversies in the management of primary biliary cirrhosis and primary sclerosing cholangitis
Aliment Pharmacol Ther, 39 (3), 282-301
DOI 10.1111/apt.12581, PubMed 24372568

Liu JZ, Hov JR, Folseraas T, Ellinghaus E, Rushbrook SM, Doncheva NT, Andreassen OA, Weersma RK, Weismüller TJ, Eksteen B, Invernizzi P, Hirschfield GM, Gotthardt DN, Pares A, Ellinghaus D, Shah T, Juran BD, Milkiewicz P, Rust C, Schramm C, Müller T, Srivastava B, Dalekos G, Nöthen MM, Herms S et al. (2013)
Dense genotyping of immune-related disease regions identifies nine new risk loci for primary sclerosing cholangitis
Nat Genet, 45 (6), 670-5
DOI 10.1038/ng.2616, PubMed 23603763

Mells GF, Kaser A, Karlsen TH (2013)
Novel insights into autoimmune liver diseases provided by genome-wide association studies
J Autoimmun, 46, 41-54
DOI 10.1016/j.jaut.2013.07.004, PubMed 23931959

Wannhoff A, Hov JR, Folseraas T, Rupp C, Friedrich K, Anmarkrud JA, Weiss KH, Sauer P, Schirmacher P, Boberg KM, Stremmel W, Karlsen TH, Gotthardt DN (2013)
FUT2 and FUT3 genotype determines CA19-9 cut-off values for detection of cholangiocarcinoma in patients with primary sclerosing cholangitis
J Hepatol, 59 (6), 1278-84
DOI 10.1016/j.jhep.2013.08.005, PubMed 23958938

Publications 2012

Andresen K, Boberg KM, Vedeld HM, Honne H, Hektoen M, Wadsworth CA, Clausen OP, Karlsen TH, Foss A, Mathisen O, Schrumpf E, Lothe RA, Lind GE (2012)
Novel target genes and a valid biomarker panel identified for cholangiocarcinoma
Epigenetics, 7 (11), 1249-57
DOI 10.4161/epi.22191, PubMed 22983262

Folseraas T, Melum E, Rausch P, Juran BD, Ellinghaus E, Shiryaev A, Laerdahl JK, Ellinghaus D, Schramm C, Weismüller TJ, Gotthardt DN, Hov JR, Clausen OP, Weersma RK, Janse M, Boberg KM, Björnsson E, Marschall HU, Cleynen I, Rosenstiel P, Holm K, Teufel A, Rust C, Gieger C, Wichmann HE et al. (2012)
Extended analysis of a genome-wide association study in primary sclerosing cholangitis detects multiple novel risk loci
J Hepatol, 57 (2), 366-75
DOI 10.1016/j.jhep.2012.03.031, PubMed 22521342

Fosby B, Karlsen TH, Melum E (2012)
Recurrence and rejection in liver transplantation for primary sclerosing cholangitis
World J Gastroenterol, 18 (1), 1-15
DOI 10.3748/wjg.v18.i1.1, PubMed 22228965

Jostins L, Ripke S, Weersma RK, Duerr RH, McGovern DP, Hui KY, Lee JC, Schumm LP, Sharma Y, Anderson CA, Essers J, Mitrovic M, Ning K, Cleynen I, Theatre E, Spain SL, Raychaudhuri S, Goyette P, Wei Z, Abraham C, Achkar JP, Ahmad T, Amininejad L, Ananthakrishnan AN, Andersen V et al. (2012)
Host-microbe interactions have shaped the genetic architecture of inflammatory bowel disease
Nature, 491 (7422), 119-24
DOI 10.1038/nature11582, PubMed 23128233

Karlsen TH (2012)
A lecture on the genetics of primary sclerosing cholangitis
Dig Dis, 30 Suppl 1, 32-8
DOI 10.1159/000341122, PubMed 23075866

Metzger J, Negm AA, Plentz RR, Weismüller TJ, Wedemeyer J, Karlsen TH, Dakna M, Mullen W, Mischak H, Manns MP, Lankisch TO (2012)
Urine proteomic analysis differentiates cholangiocarcinoma from primary sclerosing cholangitis and other benign biliary disorders
Gut, 62 (1), 122-30
DOI 10.1136/gutjnl-2012-302047, PubMed 22580416

Næss S, Shiryaev A, Hov JR, Franke A, Karlsen TH (2012)
Genetics in primary sclerosing cholangitis
Clin Res Hepatol Gastroenterol, 36 (4), 325-33
DOI 10.1016/j.clinre.2012.02.003, PubMed 22554879

Srivastava B, Mells GF, Cordell HJ, Muriithi A, Brown M, Ellinghaus E, Franke A, UK-PSC Consortium, Karlsen TH, Sandford RN, Alexander GJ, Chapman RW, Rushbrook SM, Melum E (2012)
Fine mapping and replication of genetic risk loci in primary sclerosing cholangitis
Scand J Gastroenterol, 47 (7), 820-6
DOI 10.3109/00365521.2012.682090, PubMed 22554193

Publications 2011

Anderson CA, Boucher G, Lees CW, Franke A, D'Amato M, Taylor KD, Lee JC, Goyette P, Imielinski M, Latiano A, Lagacé C, Scott R, Amininejad L, Bumpstead S, Baidoo L, Baldassano RN, Barclay M, Bayless TM, Brand S, Büning C, Colombel JF, Denson LA, De Vos M, Dubinsky M, Edwards C et al. (2011)
Meta-analysis identifies 29 additional ulcerative colitis risk loci, increasing the number of confirmed associations to 47
Nat Genet, 43 (3), 246-52
DOI 10.1038/ng.764, PubMed 21297633

Folseraas T, Karlsen TH (2011)
To MMP or not to MMP: a role for matrix metalloproteinase 3 in primary sclerosing cholangitis?
Liver Int, 31 (6), 751-4
DOI 10.1111/j.1478-3231.2011.02471.x, PubMed 21645205

Folseraas T, Melum E, Franke A, Karlsen TH (2011)
Genetics in primary sclerosing cholangitis
Best Pract Res Clin Gastroenterol, 25 (6), 713-26
DOI 10.1016/j.bpg.2011.09.010, PubMed 22117637

Hov JR, Keitel V, Schrumpf E, Häussinger D, Karlsen TH (2011)
TGR5 sequence variation in primary sclerosing cholangitis
Dig Dis, 29 (1), 78-84
DOI 10.1159/000324138, PubMed 21691110

Hov JR, Kosmoliaptsis V, Traherne JA, Olsson M, Boberg KM, Bergquist A, Schrumpf E, Bradley JA, Taylor CJ, Lie BA, Trowsdale J, Karlsen TH (2011)
Electrostatic modifications of the human leukocyte antigen-DR P9 peptide-binding pocket and susceptibility to primary sclerosing cholangitis
Hepatology, 53 (6), 1967-76
DOI 10.1002/hep.24299, PubMed 21413052

Janse M, Lamberts LE, Franke L, Raychaudhuri S, Ellinghaus E, Muri Boberg K, Melum E, Folseraas T, Schrumpf E, Bergquist A, Björnsson E, Fu J, Jan Westra H, Groen HJ, Fehrmann RS, Smolonska J, van den Berg LH, Ophoff RA, Porte RJ, Weismüller TJ, Wedemeyer J, Schramm C, Sterneck M, Günther R, Braun F et al. (2011)
Three ulcerative colitis susceptibility loci are associated with primary sclerosing cholangitis and indicate a role for IL2, REL, and CARD9
Hepatology, 53 (6), 1977-85
DOI 10.1002/hep.24307, PubMed 21425313

Karlsen TH, Kaser A (2011)
Deciphering the genetic predisposition to primary sclerosing cholangitis
Semin Liver Dis, 31 (2), 188-207
DOI 10.1055/s-0031-1276647, PubMed 21538284

Karlsen TH, Lazaridis KN (2011)
At the end of the beginning. Foreword
Semin Liver Dis, 31 (2), 111-3
DOI 10.1055/s-0031-1276640, PubMed 21538278

Publications 2010

Bowlus CL, Li CS, Karlsen TH, Lie BA, Selmi C (2010)
Primary sclerosing cholangitis in genetically diverse populations listed for liver transplantation: unique clinical and human leukocyte antigen associations
Liver Transpl, 16 (11), 1324-30
DOI 10.1002/lt.22161, PubMed 21031548

Ellinghaus E, Ellinghaus D, Stuart PE, Nair RP, Debrus S, Raelson JV, Belouchi M, Fournier H, Reinhard C, Ding J, Li Y, Tejasvi T, Gudjonsson J, Stoll SW, Voorhees JJ, Lambert S, Weidinger S, Eberlein B, Kunz M, Rahman P, Gladman DD, Gieger C, Wichmann HE, Karlsen TH, Mayr G et al. (2010)
Genome-wide association study identifies a psoriasis susceptibility locus at TRAF3IP2
Nat Genet, 42 (11), 991-5
DOI 10.1038/ng.689, PubMed 20953188

Franke A, Balschun T, Sina C, Ellinghaus D, Häsler R, Mayr G, Albrecht M, Wittig M, Buchert E, Nikolaus S, Gieger C, Wichmann HE, Sventoraityte J, Kupcinskas L, Onnie CM, Gazouli M, Anagnou NP, Strachan D, McArdle WL, Mathew CG, Rutgeerts P, Vermeire S, Vatn MH, IBSEN study group, Krawczak M et al. (2010)
Genome-wide association study for ulcerative colitis identifies risk loci at 7q22 and 22q13 (IL17REL)
Nat Genet, 42 (4), 292-4
DOI 10.1038/ng.553, PubMed 20228798

Friman S, Foss A, Isoniemi H, Olausson M, Höckerstedt K, Yamamoto S, Karlsen TH, Rizell M, Ericzon BG (2010)
Liver transplantation for cholangiocarcinoma: selection is essential for acceptable results
Scand J Gastroenterol, 46 (3), 370-5
DOI 10.3109/00365521.2010.533384, PubMed 21073376

Hollenbach JA, Meenagh A, Sleator C, Alaez C, Bengoche M, Canossi A, Contreras G, Creary L, Evseeva I, Gorodezky C, Hardie RA, Karlsen TH, Lie B, Luo M, Martinetti M, Navarette C, de Oliveira DC, Ozzella G, Pasi A, Pavlova E, Pinto S, Porto LC, Santos P, Slavcev A, Srinak D et al. (2010)
Report from the killer immunoglobulin-like receptor (KIR) anthropology component of the 15th International Histocompatibility Workshop: worldwide variation in the KIR loci and further evidence for the co-evolution of KIR and HLA
Tissue Antigens, 76 (1), 9-17
DOI 10.1111/j.1399-0039.2010.01459.x, PubMed 20331834

Holm K, Melum E, Franke A, Karlsen TH (2010)
SNPexp - A web tool for calculating and visualizing correlation between HapMap genotypes and gene expression levels
BMC Bioinformatics, 11, 600
DOI 10.1186/1471-2105-11-600, PubMed 21167019

Hov JR, Keitel V, Laerdahl JK, Spomer L, Ellinghaus E, ElSharawy A, Melum E, Boberg KM, Manke T, Balschun T, Schramm C, Bergquist A, Weismüller T, Gotthardt D, Rust C, Henckaerts L, Onnie CM, Weersma RK, Sterneck M, Teufel A, Runz H, Stiehl A, Ponsioen CY, Wijmenga C, Vatn MH et al. (2010)
Mutational characterization of the bile acid receptor TGR5 in primary sclerosing cholangitis
PLoS One, 5 (8), e12403
DOI 10.1371/journal.pone.0012403, PubMed 20811628

Hov JR, Lleo A, Selmi C, Woldseth B, Fabris L, Strazzabosco M, Karlsen TH, Invernizzi P (2010)
Genetic associations in Italian primary sclerosing cholangitis: heterogeneity across Europe defines a critical role for HLA-C
J Hepatol, 52 (5), 712-7
DOI 10.1016/j.jhep.2009.11.029, PubMed 20347497

Karlsen TH, Hov JR (2010)
Genetics of cholestatic liver disease in 2010
Curr Opin Gastroenterol, 26 (3), 251-8
DOI 10.1097/MOG.0b013e328336807d, PubMed 20042859

Karlsen TH, Melum E, Franke A (2010)
The utility of genome-wide association studies in hepatology
Hepatology, 51 (5), 1833-42
DOI 10.1002/hep.23564, PubMed 20232293

Karlsen TH, Schrumpf E, Boberg KM (2010)
Update on primary sclerosing cholangitis
Dig Liver Dis, 42 (6), 390-400
DOI 10.1016/j.dld.2010.01.011, PubMed 20172772

Karlsen TH, Schrumpf E, Boberg KM (2010)
Primary sclerosing cholangitis
Best Pract Res Clin Gastroenterol, 24 (5), 655-66
DOI 10.1016/j.bpg.2010.07.005, PubMed 20955968

Lorentzen AR, Melum E, Ellinghaus E, Smestad C, Mero IL, Aarseth JH, Myhr KM, Celius EG, Lie BA, Karlsen TH, Franke A, Harbo HF (2010)
Association to the Glypican-5 gene in multiple sclerosis
J Neuroimmunol, 226 (1-2), 194-7
DOI 10.1016/j.jneuroim.2010.07.003, PubMed 20692050

Melum E, Franke A, Schramm C, Weismüller TJ, Gotthardt DN, Offner FA, Juran BD, Laerdahl JK, Labi V, Björnsson E, Weersma RK, Henckaerts L, Teufel A, Rust C, Ellinghaus E, Balschun T, Boberg KM, Ellinghaus D, Bergquist A, Sauer P, Ryu E, Hov JR, Wedemeyer J, Lindkvist B, Wittig M et al. (2010)
Genome-wide association analysis in primary sclerosing cholangitis identifies two non-HLA susceptibility loci
Nat Genet, 43 (1), 17-9
DOI 10.1038/ng.728, PubMed 21151127

Melum E, May S, Schilhabel MB, Thomsen I, Karlsen TH, Rosenstiel P, Schreiber S, Franke A (2010)
SNP discovery performance of two second-generation sequencing platforms in the NOD2 gene region
Hum Mutat, 31 (7), 875-85
DOI 10.1002/humu.21276, PubMed 20506538

Publications 2009

Forsbring M, Vik ES, Dalhus B, Karlsen TH, Bergquist A, Schrumpf E, Bjørås M, Boberg KM, Alseth I (2009)
Catalytically impaired hMYH and NEIL1 mutant proteins identified in patients with primary sclerosing cholangitis and cholangiocarcinoma
Carcinogenesis, 30 (7), 1147-54
DOI 10.1093/carcin/bgp118, PubMed 19443904

Karlsen TH (2009)
Genome-wide association studies reach hepatology
J Hepatol, 50 (6), 1278-80
DOI 10.1016/j.jhep.2009.03.002, PubMed 19395112

Karlsen TH, Franke A, Melum E, Kaser A, Hov JR, Balschun T, Lie BA, Bergquist A, Schramm C, Weismüller TJ, Gotthardt D, Rust C, Philipp EE, Fritz T, Henckaerts L, Weersma RK, Stokkers P, Ponsioen CY, Wijmenga C, Sterneck M, Nothnagel M, Hampe J, Teufel A, Runz H, Rosenstiel P et al. (2009)
Genome-wide association analysis in primary sclerosing cholangitis
Gastroenterology, 138 (3), 1102-11
DOI 10.1053/j.gastro.2009.11.046, PubMed 19944697

Lorentzen AR, Karlsen TH, Olsson M, Smestad C, Mero IL, Woldseth B, Sun JY, Senitzer D, Celius EG, Thorsby E, Spurkland A, Lie BA, Harbo HF (2009)
Killer immunoglobulin-like receptor ligand HLA-Bw4 protects against multiple sclerosis
Ann Neurol, 65 (6), 658-66
DOI 10.1002/ana.21695, PubMed 19630074

Melum E, Franke A, Karlsen TH (2009)
Genome-wide association studies--a summary for the clinical gastroenterologist
World J Gastroenterol, 15 (43), 5377-96
DOI 10.3748/wjg.15.5377, PubMed 19916168

Scholz T, Karlsen TH, Sanengen T, Schrumpf E, Line PD, Boberg KM, Jörgensen PF, Fosby B, Bentdal O, Ostensen AB, Osnes S, Riddervold F, Haugaa H, Hausken J, Bergmann JB, Foss S, Björo K, Foss A, Levertransplantasjonsgruppen ved Oslo universitetssykehus, Rikshospitalet (2009)
[Liver transplantation in Norway through 25 years]
Tidsskr Nor Laegeforen, 129 (24), 2587-92
DOI 10.4045/tidsskr.09.1106, PubMed 20029553

Yu X, Wieczorek S, Franke A, Yin H, Pierer M, Sina C, Karlsen TH, Boberg KM, Bergquist A, Kunz M, Witte T, Gross WL, Epplen JT, Alarcón-Riquelme ME, Schreiber S, Ibrahim SM (2009)
Association of UCP2 -866 G/A polymorphism with chronic inflammatory diseases
Genes Immun, 10 (6), 601-5
DOI 10.1038/gene.2009.29, PubMed 19387457

Publications 2008

Franke A, Balschun T, Karlsen TH, Hedderich J, May S, Lu T, Schuldt D, Nikolaus S, Rosenstiel P, Krawczak M, Schreiber S (2008)
Replication of signals from recent studies of Crohn's disease identifies previously unknown disease loci for ulcerative colitis
Nat Genet, 40 (6), 713-5
DOI 10.1038/ng.148, PubMed 18438405

Franke A, Balschun T, Karlsen TH, Sventoraityte J, Nikolaus S, Mayr G, Domingues FS, Albrecht M, Nothnagel M, Ellinghaus D, Sina C, Onnie CM, Weersma RK, Stokkers PC, Wijmenga C, Gazouli M, Strachan D, McArdle WL, Vermeire S, Rutgeerts P, Rosenstiel P, Krawczak M, Vatn MH, IBSEN study group, Mathew CG et al. (2008)
Sequence variants in IL10, ARPC2 and multiple other loci contribute to ulcerative colitis susceptibility
Nat Genet, 40 (11), 1319-23
DOI 10.1038/ng.221, PubMed 18836448

Hov JR, Boberg KM, Karlsen TH (2008)
Autoantibodies in primary sclerosing cholangitis
World J Gastroenterol, 14 (24), 3781-91
DOI 10.3748/wjg.14.3781, PubMed 18609700

Karlsen TH, Schrumpf E, Boberg KM (2008)
Gallbladder polyps in primary sclerosing cholangitis: not so benign
Curr Opin Gastroenterol, 24 (3), 395-9
DOI 10.1097/MOG.0b013e3282f5727a, PubMed 18408471

Melum E, Buch S, Schafmayer C, Kalthoff H, Tepel J, Schreiber S, Karlsen TH, Hampe J (2008)
Investigation of cholangiocarcinoma associated NKG2D polymorphisms in colorectal carcinoma
Int J Cancer, 123 (1), 241-2
DOI 10.1002/ijc.23517, PubMed 18398827

Melum E, Karlsen TH, Bergquist A, Schrumpf E, Boberg KM (2008)
An interleukin-6 (IL-6) receptor polymorphism affecting serum levels of IL-6 does not increase the risk of cholangiocarcinoma in primary sclerosing cholangitis
Am J Gastroenterol, 103 (4), 1045; author reply 1045-6
DOI 10.1111/j.1572-0241.2007.01772_5.x, PubMed 18397431

Melum E, Karlsen TH, Schrumpf E, Bergquist A, Thorsby E, Boberg KM, Lie BA (2008)
Cholangiocarcinoma in primary sclerosing cholangitis is associated with NKG2D polymorphisms
Hepatology, 47 (1), 90-6
DOI 10.1002/hep.21964, PubMed 18023027

Publications 2007

Eike MC, Nordang GB, Karlsen TH, Boberg KM, Vatn MH, IBSEN study group, Dahl-Jørgensen K, Rønningen KS, Joner G, Flatø B, Bergquist A, Thorsby E, Førre O, Kvien TK, Undlien DE, Lie BA (2007)
The FCRL3 -169T>C polymorphism is associated with rheumatoid arthritis and shows suggestive evidence of involvement with juvenile idiopathic arthritis in a Scandinavian panel of autoimmune diseases
Ann Rheum Dis, 67 (9), 1287-91
DOI 10.1136/ard.2007.077826, PubMed 18065500

Franke A, Rosenstiel P, Balschun T, Von Kampen O, Schreiber S, Sina C, Hampe J, Karlsen TH, Vatn MH, IBSEN Study Group, Solberg C (2007)
No association between the TUCAN (CARD8) Cys10Stop mutation and inflammatory bowel disease in a large retrospective German and a clinically well-characterized Norwegian sample
Gastroenterology, 132 (5), 2080-1
DOI 10.1053/j.gastro.2007.03.087, PubMed 17484912

Karlsen TH (2007)
On the genetic influence on disease susceptibility and disease progression in primary sclerosing cholangitis
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, no. 534, 1 b. (flere pag.)
BIBSYS 071323686, ISBN 978-82-8072-709-1

Karlsen TH, Boberg KM, Olsson M, Sun JY, Senitzer D, Bergquist A, Schrumpf E, Thorsby E, Lie BA (2007)
Particular genetic variants of ligands for natural killer cell receptors may contribute to the HLA associated risk of primary sclerosing cholangitis
J Hepatol, 46 (5), 899-906
DOI 10.1016/j.jhep.2007.01.032, PubMed 17383044

Karlsen TH, Boberg KM, Vatn M, Bergquist A, Hampe J, Schrumpf E, Thorsby E, Schreiber S, Lie BA, IBSEN Study Group (2007)
Different HLA class II associations in ulcerative colitis patients with and without primary sclerosing cholangitis
Genes Immun, 8 (3), 275-8
DOI 10.1038/sj.gene.6364377, PubMed 17301827

Karlsen TH, Schrumpf E, Boberg KM (2007)
Genetic epidemiology of primary sclerosing cholangitis
World J Gastroenterol, 13 (41), 5421-31
DOI 10.3748/wjg.v13.i41.5421, PubMed 17907284

Wiencke K, Karlsen TH, Boberg KM, Thorsby E, Schrumpf E, Lie BA, Spurkland A (2007)
Primary sclerosing cholangitis is associated with extended HLA-DR3 and HLA-DR6 haplotypes
Tissue Antigens, 69 (2), 161-9
DOI 10.1111/j.1399-0039.2006.00738.x, PubMed 17257319

Publications 2006

Bowlus CL, Karlsen TH, Broomé U, Thorsby E, Vatn M, Schrumpf E, Lie BA, Boberg KM (2006)
Analysis of MAdCAM-1 and ICAM-1 polymorphisms in 365 Scandinavian patients with primary sclerosing cholangitis
J Hepatol, 45 (5), 704-10
DOI 10.1016/j.jhep.2006.03.012, PubMed 16750586

Franke A, Ruether A, Wedemeyer N, Karlsen TH, Nebel A, Schreiber S (2006)
No association between the functional CARD4 insertion/deletion polymorphism and inflammatory bowel diseases in the German population
Gut, 55 (11), 1679-80
DOI 10.1136/gut.2006.104646, PubMed 17047129

Karlsen TH, Hampe J, Wiencke K, Schrumpf E, Thorsby E, Lie BA, Broomé U, Schreiber S, Boberg KM (2006)
Genetic polymorphisms associated with inflammatory bowel disease do not confer risk for primary sclerosing cholangitis
Am J Gastroenterol, 102 (1), 115-21
DOI 10.1111/j.1572-0241.2006.00928.x, PubMed 17100974

Karlsen TH, Lie BA, Frey Frøslie K, Thorsby E, Broomé U, Schrumpf E, Boberg KM (2006)
Polymorphisms in the steroid and xenobiotic receptor gene influence survival in primary sclerosing cholangitis
Gastroenterology, 131 (3), 781-7
DOI 10.1053/j.gastro.2006.05.057, PubMed 16952547

Melum E, Karlsen TH, Broomé U, Thorsby E, Schrumpf E, Boberg KM, Lie BA (2006)
The 32-base pair deletion of the chemokine receptor 5 gene (CCR5-Delta32) is not associated with primary sclerosing cholangitis in 363 Scandinavian patients
Tissue Antigens, 68 (1), 78-81
DOI 10.1111/j.1399-0039.2006.00604.x, PubMed 16774544

Publications 2004

Laerum H, Karlsen TH, Faxvaag A (2004)
Use of and attitudes to a hospital information system by medical secretaries, nurses and physicians deprived of the paper-based medical record: a case report
BMC Med Inform Decis Mak, 4, 18
DOI 10.1186/1472-6947-4-18, PubMed 15488150

Publications 2003

Karlsen TH, Sommerfelt H, Klomstad S, Andersen PK, Strand TA, Ulvik RJ, Ahrén C, Grewal HM (2003)
Intestinal and systemic immune responses to an oral cholera toxoid B subunit whole-cell vaccine administered during zinc supplementation
Infect Immun, 71 (7), 3909-13
DOI 10.1128/IAI.71.7.3909-3913.2003, PubMed 12819076

Laerum H, Karlsen TH, Faxvaag A (2003)
Effects of scanning and eliminating paper-based medical records on hospital physicians' clinical work practice
J Am Med Inform Assoc, 10 (6), 588-95
DOI 10.1197/jamia.M1337, PubMed 12925550

Publications 2002

Karlsen TH (2002)
Forslag vedrørende fremtidige arbeidsprosesser i medisinsk avdeling, Aust-Agder sykehus HF
In Organisasjonsutvikling og gevinstrealisering knyttet til elektronisk pasientjournal ved medisinsk avdeling, Aust-Agdersykehus HF: sluttrapport, Aust-Agder sykehus HF, Arendal, Vedlegg 3, 60 s.
BIBSYS 080931561

Karlsen TH, Eikestad V (2002)
Organisasjonsutvikling og gevinstrealisering knyttet til elektronisk pasientjournal ved medisinsk avdeling, Aust-Agdersykehus HF: sluttrapport
Aust-Agder sykehus HF, Arendal, 31 s.
BIBSYS 080931464

Karlsen TH, Eikestad V (2002)
Karlegging av arbeidsprosesser i medisinsk avdeling, Aust-Agder sykehus HF
In Organisasjonsutvikling og gevinstrealisering knyttet til elektronisk pasientjournal ved medisinsk avdeling, Aust-Agdersykehus HF: sluttrapport, Aust-Agder sykehus HF, Arendal, Vedlegg 2, 66 s.
BIBSYS 080931618

Publications 2000

Grewal HM, Karlsen TH, Vetvik H, Ahrén C, Gjessing HK, Sommerfelt H, Haneberg B (2000)
Measurement of specific IgA in faecal extracts and intestinal lavage fluid for monitoring of mucosal immune responses
J Immunol Methods, 239 (1-2), 53-62
DOI 10.1016/s0022-1759(00)00171-x, PubMed 10821947