Tom Hemming Karlsen
- Professor, Research Head; MD, PhD
EDUCATION
1997: MD University of Bergen
2007: PhD University of Oslo
NORWEGIAN CLINICAL SPECIALIST ACCREDITATIONS
"Indremedisin" (Internal medicine) and "Fordøyelsessykdommer" (Gastroenterology)
PRESENT POSITIONS
- Research Head, Division of Surgery and specialized medicine, Oslo University Hospital.
- Full professor of internal medicine, University of Oslo.
- Senior consultant, Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet.
RESEARCH GROUP
https://www.ous-research.no/nopsc/
http://www.med.uio.no/klinmed/english/research/groups/primary-sclerosing-cholangitis/
https://www.ous-research.no/riim/
PUBLISHED PROFILES
Pinzani M (2024) A Nordic Hygge and a World Vision. Journal of Hepatology 81:4-5.
Watts G (2022) Tom Hemming Karlsen: hepatologist with a public health message. Lancet 399:18.
Main Previous Positions | |
2012-2014 | Full Professor of Gastroenterology, UiB |
2007-2012 | Executive Manager, Norwegian PSC research center, UiO/OUH |
2007-2014 | M.D., Internal Medicine and Gastroenterology, OUH |
2004-2006 | PhD fellow, Institute of Immunology, UiO |
1999-2003 | M.D., Internal Medicine and Gastroenterology, Sørlandet Hospital Arendal |
Honors (selected items) | |
2024 | European Association for the Study of the Liver Recognition Award |
2024 | Klatskin-Boyer Lectureship in Hepatology (Yale School of Medicine) |
2019 | Elected member of the Norwegian Academy of Science and Letters |
2015 | International Hans Popper Award |
2013 | Oslo University Hospital Early Career Award |
2012 | United European Gastroenterology (UEG) Association Rising Star Award |
Commissions of trust (selected items) | |
2024- | Co-editor, Journal of Hepatology |
2024- | President Elect, the Biomedical Alliance in Europe (https://www.biomedeurope.org) |
2020-2023 | Board member, the Biomedical Alliance in Europe (https://www.biomedeurope.org/) |
2019-2023 | Board member, European Reference Network (ERN) for Rare Liver Diseases |
2019-2024 | Associate Editor, Journal of Hepatology |
2019-2021 | Board member, the University of Oslo “UiO:Life Science” |
2019-2021 | Co-chair, The Lancet-EASL Commission on Liver Disease in Europe |
2018-2022 | Chairman of the Board, Norwegian Center of Excellence “Hybrid Technology Hub” |
2017-2019 | Secretary General (Chairman), European Association for the Study of the Liver (EASL) |
2016-2021 | Member, Scientific Advisory Board, Carlos foundation, Mayo Clinic Rochester, US |
2014-2017 | Vice Secretary and Board member, EASL (www.easl.eu) |
2006-2014 | Coordinator, Nordic Liver Transplant Registry (www.scandiatransplant.org) |
Institutional Responsibilities (selected items) | |
2024- | Member of “Regionalt forskningsutvalg” (Research Council) in Helse Sør-Øst |
2024 | Working group participant, Oslo Science City “gravitation theme" of Health and Life sciences |
2024 | Working group participant, update of the personalized medicine strategy at OUH (hospital level) |
2022 | Internship Norwegian Ministry of Health (part time, August-December) |
2021- | Reference group University of Oslo "UiO:Life Science" |
2019-2021 | Project leader, Implementation of Personalized Medicine at OUH (hospital level) |
2015-2019 | Member of “Forskningsutvalget” (Research Council), hospital level (OUH) |
2017-2018 | Working group for action plan “Personalized medicine”, Norwegian Research Council |
2010-2016 | Member of “Forskningsutvalget” (Research Council), division level (KKT, OUH) |
2015-2016 | National project group for personalized medicine, Norwegian Directorate for Health |
2010-2014 | Member of “Biobankutvalget” (Biobank Council) hospital level (OUH) |
2009 | Working group for “action plan for biobank and registries” in Helse Sør-Øst |
2001-2002 | Project leader, electronic patient records evaluation, Norwegian Health Directorate |
1994-1996 | Establishing of small group educational activities, Faculty of Medicine, UiB |
SELECTED PUBLICATIONS
Karlsen TH, Rutter H, Carrieri P, et al. (2024) The EASL-Lancet Commission on liver health in Europe: prevention, case-finding, and early diagnosis to reduce liver-related mortality. Lancet 403:1522-1524.
COVID-19 Host Genetics Initiative (2023) A second update on mapping the human genetic architecture of COVID-19. Nature 621:E7-E26
Serra-Burriel M, Juanola A, Serra-Burriel F, 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 402:988-996.
Karlsen TH (2022) Understanding COVID-19 through genome-wide association studies. Nature Genetics 54:368-369.
Karlsen TH, Sheron N, Zelber-Sagi S, et al. (2022) The EASL-Lancet Liver Commission: protecting the next generation of Europeans against liver disease complications and premature mortality. Lancet 399:61-116.
COVID-19 Host Genetics Initiative (2021) Mapping the human genetic architecture of COVID-19. Nature 600:472-477.
Thaventhiran JED, Lango Allen H, Burren OS et al. (2020) Whole-genome sequencing of a sporadic primary immunodeficiency cohort. Nature 583:90-95.
Ellinghaus D, Degenhardt F, Bujanda L et al. (2020) Genomewide Association Study of Severe Covid-19 with Respiratory Failure. New England Journal of Medicine 383:1522-1534.
Melum E, Jiang X, Baker KD, et al. (2019) Control of CD1d-restricted antigen presentation and inflammation by sphingomyelin. Nature Immunology. 20, 1644-1655.
Schneditz G, Elias JE, Pagano E, et al. (2019) GPR35 promotes glycolysis, proliferation, and oncogenic signaling by engaging with the sodium potassium pump. Science Signaling, 562, eaau9048.
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, 10148, 621-622.
Sampaziotis F, Justin AW, Tysoe OC et al. (2017) Reconstruction of the mouse extrahepatic biliary tree using primary human extrahepatic cholangiocyte organoids. Nature Medicine, 23, 954-963.
Ji SG, Juran BD, Mucha S, et al. (2017) Genome-wide association study of primary sclerosing cholangitis identifies new risk loci and quantifies the genetic relationship with inflammatory bowel disease. Nature Genetics, 49, 269-273.
Wang J, Thingholm LB, Skiecevièienë J, et al. (2016) Genome-wide association analysis identifies variation in vitamin D receptor and other host factors influencing the gut microbiota. Nature Genetics, 48,1396-1406.
Ellinghaus D, Jostins L, Spain SL, et al. (2016) Analysis of five chronic inflammatory diseases identifies 27 new associations and highlights disease-specific patterns at shared loci. Nature Genetics, 48, 510-8.
Sampaziotis F, Cardoso de Brito M, Madrigal P, et al. (2015) Cholangiocytes derived from human induced pluripotent stem cells for disease modeling and drug validation. Nature Biotechnology, 33,845-52.
Goyette P, Boucher G, Mallon D, et al. (2015). High density mapping of the MHC reveals a common role for HLADRB1* 01:03 in IBD and heterozygous advantage in ulcerative colitis; Nature Genetics, 47 (2), 172-179.
Hirschfield GM, Karlsen TH, Lindor K, Adams D, (2013). Primary sclerosing cholangitis; Lancet, 382 (9904), 1587-99.
Liu JZ, Hov JR, Folseraas T, et al., (2013). Dense genotyping of immune-related disease regions identifies nine new risk loci for primary sclerosing cholangitis; Nature Genetics, 45 (6), 670-5.
Jostins L, Ripke S, Weersma RK, et al., (2012). Host-microbe interactions have shaped the genetic architecture of inflammatory bowel disease; Nature, 491 (7422), 119-24.
Anderson CA, Boucher G, Lees CW, et al., (2011). Meta-analysis identifies 29 additional ulcerative colitis risk loci, increasing the number of confirmed associations to 47; Nature Genetics, 43 (3), 246-52
Melum E, Franke A, Schramm C, et al., (2011). Genome-wide association analysis in primary sclerosing cholangitis identifies two non-HLA susceptibility loci; Nature Genetics, 43 (1), 17-9
Ellinghaus E, Ellinghaus D, Stuart PE, et al., (2010). Genome-wide association study identifies a psoriasis susceptibility locus at TRAF3IP2; Nature Genetics, 42 (11), 991-5
Franke A, Balschun T, Sina C, et al., (2010). Genome-wide association study for ulcerative colitis identifies risk loci at 7q22 and 22q13 (IL17REL); Nature Genetics, 42 (4), 292-4
Franke A, Balschun T, Karlsen TH, et al. (2008). Sequence variants in IL10, ARPC2 and multiple other loci contribute to ulcerative colitis susceptibility; Nature Genetics, 40 (11), 1319-23
Franke A, Balschun T, Karlsen TH, et al. (2008). Replication of signals from recent studies of Crohn's disease identifies previously unknown disease loci for ulcerative colitis; Nature Genetics, 40 (6), 713-5
Publications 2022
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
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
Publications 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
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
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
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
A heterozygous germline CD100 mutation in a family with primary sclerosing cholangitis
Sci. Transl. Med., 13 (582), eabb0036
DOI 10.1126/scitranslmed.abb0036
Altered Gut Microbial Metabolism of Essential Nutrients in Primary Sclerosing Cholangitis
Gastroenterology, 160 (5), 1784-1798
DOI 10.1053/j.gastro.2020.12.058
Bile Acid Profiles in Primary Sclerosing Cholangitis and Their Ability to Predict Hepatic Decompensation
Hepatology, 74 (1), 281-295
DOI 10.1002/hep.31652
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
Activation of the GPR35 pathway drives angiogenesis in the tumour microenvironment
Gut
DOI 10.1136/gutjnl-2020-323363
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
Gut microbiota depletion exacerbates cholestatic liver injury via loss of FXR signalling
Nat. Metab., 3 (9), 1228-+
DOI 10.1038/s42255-021-00452-1
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
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
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
Publications 2020
The 6 C's of primary sclerosing cholangitis
J. Hepatol., 73 (5), 1255-1256
DOI 10.1016/j.jhep.2020.06.033
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
Genomewide Association Study of Severe Covid-19 with Respiratory Failure
N. Engl. J. Med., 383 (16), 1522-1534
DOI 10.1056/NEJMoa2020283
Genomic Characterization of Cholangiocarcinoma in Primary Sclerosing Cholangitis Reveals Therapeutic Opportunities
Hepatology, 72 (4), 1253-1266
DOI 10.1002/hep.31110
Rosuvastatin alters the genetic composition of the human gut microbiome
Sci Rep, 10 (1), 5397
DOI 10.1038/s41598-020-62261-y
Alterations of the bile microbiome in primary sclerosing cholangitis
Gut, 69 (4), 665-672
DOI 10.1136/gutjnl-2019-318416
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
Whole-genome sequencing of a sporadic primary immunodeficiency cohort
Nature, 583 (7814), 90-+
DOI 10.1038/s41586-020-2265-1
Emerging therapies in primary sclerosing cholangitis: pathophysiological basis and clinical opportunities
J. Gastroenterol., 55 (6), 588-614
DOI 10.1007/s00535-020-01681-z
Publications 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
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
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
Autotaxin activity predicts transplant-free survival in primary sclerosing cholangitis
Sci Rep, 9, 8450
DOI 10.1038/s41598-019-44762-7
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
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
Rifaximin alters gut microbiota profile, but does not affect systemic inflammation - a randomized controlled trial in common variable immunodeficiency
Sci Rep, 9, 167
DOI 10.1038/s41598-018-35367-7
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
Control of CD1d-restricted antigen presentation and inflammation by sphingomyelin
Nat. Immunol., 20 (12), 1644-+
DOI 10.1038/s41590-019-0504-0
GPR35 promotes glycolysis, proliferation, and oncogenic signaling by engaging with the sodium potassium pump
Sci. Signal., 12 (562), 9048
DOI 10.1126/scisignal.aau9048
Obese Individuals with and without Type 2 Diabetes Show Different Gut Microbial Functional Capacity and Composition
Cell Host Microbe, 26 (2), 252-+
DOI 10.1016/j.chom.2019.07.004
Publications 2018
Cancer After Liver Transplantation in Children and Young Adults: A Population-Based Study From 4 Nordic Countries
Liver Transplant., 24 (9), 1252-1259
DOI 10.1002/lt.25305
Genetic association analysis identifies variants associated with disease progression in primary sclerosing cholangitis
Gut, 67 (8), 1517-1524
DOI 10.1136/gutjnl-2016-313598
Natural killer T cells mediate inflammation in the bile ducts
Mucosal Immunol., 11 (6), 1582-1590
DOI 10.1038/s41385-018-0066-8
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.-Gastroint. Liver Physiol., 314 (3), G349-G359
DOI 10.1152/ajpgi.00124.2017
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
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
Gut and Liver B Cells of Common Clonal Origin in Primary Sclerosing Cholangitis-Inflammatory Bowel Disease
Hepatol. Commun., 2 (8), 960-971
DOI 10.1002/hep4.1200
Cholangiocytes in the pathogenesis of primary sclerosing cholangitis and development of cholangiocarcinoma
Biochim. Biophys. Acta-Mol. Basis Dis., 1864 (4), 1390-1400
DOI 10.1016/j.bbadis.2017.08.020
"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
IBD risk loci are enriched in multigenic regulatory modules encompassing putative causative genes
Nat. Commun., 9, 2427
DOI 10.1038/s41467-018-04365-8
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
Decreasing incidence of cancer after liver transplantationA Nordic population-based study over 3 decades
Am. J. Transplant., 18 (4), 952-963
DOI 10.1111/ajt.14507
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
Application of the distance-based F test in an mGWAS investigating beta 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
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
Publications 2017
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
Genetic Discoveries Highlight Environmental Factors as Key Drivers of Liver Disease
Dig. Dis., 35 (4), 323-333
DOI 10.1159/000456583
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
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
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
HLA haplotypes in primary sclerosing cholangitis patients of admixed and non-European ancestry
HLA, 90 (4), 228-233
DOI 10.1111/tan.13076
Antineutrophil antibodies define clinical and genetic subgroups in primary sclerosing cholangitis
Liver Int., 37 (3), 458-465
DOI 10.1111/liv.13238
The Microbiome in Primary Sclerosing Cholangitis: Current Evidence and Potential Concepts
Semin. Liver Dis., 37 (4), 314-331
DOI 10.1055/s-0037-1608801
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
Genome-wide association study of primary sclerosing cholangitis identifies new risk loci and quantifies the genetic relationship with inflammatory bowel disease
Nature Genet., 49 (2), 269-273
DOI 10.1038/ng.3745
Genetics of primary sclerosing cholangitis and pathophysiological implications
Nat. Rev. Gastroenterol. Hepatol., 14 (5), 279-295
DOI 10.1038/nrgastro.2016.154
Liver transplantation in patients with primary antibody deficiency
J. Allergy Clin. Immunol., 139 (5), 1708-+
DOI 10.1016/j.jaci.2016.10.025
Primary sclerosing cholangitis - a comprehensive review
J. Hepatol., 67 (6), 1298-1323
DOI 10.1016/j.jhep.2017.07.022
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
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
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
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), e12851
DOI 10.1111/petr.12851
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
Knockout of the Primary Sclerosing Cholangitis-Risk Gene Fut2 Causes Liver Disease in Mice
Hepatology, 66 (2), 542-554
DOI 10.1002/hep.29029
Cholangiocytes and the environment in primary sclerosing cholangitis: where is the link?
Gut, 66 (11), 1873-1877
DOI 10.1136/gutjnl-2017-314249
Overview of methodologies for T-cell receptor repertoire analysis
BMC Biotechnol., 17, 61
DOI 10.1186/s12896-017-0379-9
Reconstruction of the mouse extrahepatic biliary tree using primary human extrahepatic cholangiocyte organoids
Nat. Med., 23 (8), 954-+
DOI 10.1038/nm.4360
The role of natural killer T cells in a mouse model with spontaneous bile duct inflammation
PHYSIOL. REP., 5 (4), e13117
DOI 10.14814/phy2.13117
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
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
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
Patient Age, Sex, and Inflammatory Bowel Disease Phenotype Associate With Course of Primary Sclerosing Cholangitis
Gastroenterology, 152 (8), 1975-+
DOI 10.1053/j.gastro.2017.02.038
Publications 2016
Creating an effective clinical registry for rare diseases
United European Gastroenterol. J., 4 (3), 333-338
DOI 10.1177/2050640615618042
Analysis of five chronic inflammatory diseases identifies 27 new associations and highlights disease-specific patterns at shared loci
Nature Genet., 48 (5), 510-+
DOI 10.1038/ng.3528
The First European Evidence-based Consensus on Extra-intestinal Manifestations in Inflammatory Bowel Disease
J. Crohns Colitis, 10 (3), 239-254
DOI 10.1093/ecco-jcc/jjv213
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
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
Primary sclerosing cholangitis: 50 years of a gut-liver relationship and still no love?
Gut, 65 (10), 1579-1581
DOI 10.1136/gutjnl-2016-312137
Characterization of Intestinal Microbiota in Ulcerative Colitis Patients with and without Primary Sclerosing Cholangitis
J. Crohns Colitis, 10 (3), 330-337
DOI 10.1093/ecco-jcc/jjv204
High-throughput T-cell receptor sequencing across chronic liver diseases reveals distinct disease-associated repertoires
Hepatology, 63 (5), 1608-1619
DOI 10.1002/hep.28116
Prevalence of Sclerosing Cholangitis Detected by Magnetic Resonance Cholangiography in Patients With Long-term Inflammatory Bowel Disease
Gastroenterology, 151 (4), 660-+
DOI 10.1053/j.gastro.2016.06.021
Surrogate Endpoints for Clinical Trials in Primary Sclerosing Cholangitis: Review and Results From an International PSC Study Group Consensus Process
Hepatology, 63 (4), 1357-1367
DOI 10.1002/hep.28256
The Carnitine-butyrobetaine-trimethylamine-N-oxide pathway and its association with cardiovascular mortality in patients with carotid atherosclerosis
Atherosclerosis, 247, 64-69
DOI 10.1016/j.atherosclerosis.2016.01.033
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
Genome-wide association analysis identifies variation in vitamin D receptor and other host factors influencing the gut microbiota
Nature Genet., 48 (11), 1396-1406
DOI 10.1038/ng.3695
Association Between Genetic Traits for Immune-Mediated Diseases and Alzheimer Disease
JAMA Neurol., 73 (6), 691-697
DOI 10.1001/jamaneurol.2016.0150
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
Elevated interleukin-8 in bile of patients with primary sclerosing cholangitis
Liver Int., 36 (9), 1370-1377
DOI 10.1111/liv.13092
Publications 2015
Differences in Long-Term Survival Among Liver Transplant Recipients and the General Population: A Population-Based Nordic Study
Hepatology, 61 (2), 668-677
DOI 10.1002/hep.27538
Indications and Outcomes in Liver Transplantation in Patients With Primary Sclerosing Cholangitis in Norway
Transplant. Direct., 1 (9), e39
DOI 10.1097/TXD.0000000000000548
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
Abundant Genetic Overlap between Blood Lipids and Immune-Mediated Diseases Indicates Shared Molecular Genetic Mechanisms (vol 10, e0123057, 2015)
PLoS One, 10 (5), e0128048
DOI 10.1371/journal.pone.0128048
Association Between HLA Haplotypes and Increased Serum Levels of IgG4 in Patients With Primary Sclerosing Cholangitis
Gastroenterology, 148 (5), 924-U355
DOI 10.1053/j.gastro.2015.01.041
Activation of biliary tree stem cells within peribiliary glands in primary sclerosing cholangitis
J. Hepatol., 63 (5), 1220-1228
DOI 10.1016/j.jhep.2015.06.018
Genetics in PSC: What Do the "Risk Genes" Teach Us?
Clin. Rev. Allergy Immunol., 48 (2-3), 154-164
DOI 10.1007/s12016-014-8417-z
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
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
Genetic Risk and the Development of Autoimmune Liver Disease
Dig. Dis., 33 2, 13-24
DOI 10.1159/000440706
Genetics of liver disease: From pathophysiology to clinical practice
J. Hepatol., 62 1, S6-S14
DOI 10.1016/j.jhep.2015.02.025
Association of CLEC16A with human common variable immunodeficiency disorder and role in murine B cells
Nat. Commun., 6, 6804
DOI 10.1038/ncomms7804
Rare variants at 16p11.2 are associated with common variable immunodeficiency
J. Allergy Clin. Immunol., 135 (6), 1569-1577
DOI 10.1016/j.jaci.2014.12.1939
Continuous molecular adsorbent recirculating system treatment in 69 patients listed for liver transplantation
Scand. J. Gastroenterol., 50 (9), 1127-1134
DOI 10.3109/00365521.2015.1027262
Cholangiocytes derived from human induced pluripotent stem cells for disease modeling and drug validation
Nat. Biotechnol., 33 (8), 845-+
DOI 10.1038/nbt.3275
Primary sclerosing cholangitis - the Norwegian experience
Scand. J. Gastroenterol., 50 (6), 781-796
DOI 10.3109/00365521.2015.1028996
The biliary epithelium presents antigens to and activates natural killer T cells
Hepatology, 62 (4), 1249-1259
DOI 10.1002/hep.27840
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), 800-812
DOI 10.1111/tri.12552
Transplantation With Livers From Deceased Donors Older Than 75 Years
Transplantation, 99 (12), 2534-2542
DOI 10.1097/TP.0000000000000728
Microbiota-dependent metabolite trimethylamine-N-oxide is associated with disease severity and survival of patients with chronic heart failure
J. Intern. Med., 277 (6), 717-726
DOI 10.1111/joim.12328
Enhanced liver fibrosis score predicts transplant-free survival in primary sclerosing cholangitis
Hepatology, 62 (1), 188-197
DOI 10.1002/hep.27825
Imputation of KIR Types from SNP Variation Data
Am. J. Hum. Genet., 97 (4), 593-607
DOI 10.1016/j.ajhg.2015.09.005
Development of a high-resolution NGS-based HLA-typing and analysis pipeline
Nucleic Acids Res., 43 (11), E70-U11
DOI 10.1093/nar/gkv184
Publications 2014
Effects of Coffee Consumption, Smoking, and Hormones on Risk for Primary Sclerosing Cholangitis
Clin. Gastroenterol. Hepatol., 12 (6), 1019-1028
DOI 10.1016/j.cgh.2013.09.024
Identifying Common Genetic Variants in Blood Pressure Due to Polygenic Pleiotropy With Associated Phenotypes
Hypertension, 63 (4), 819-826
DOI 10.1161/HYPERTENSIONAHA.113.02077
Characterization of animal models for primary sclerosing cholangitis (PSC)
J. Hepatol., 60 (6), 1290-1303
DOI 10.1016/j.jhep.2014.02.006
Investigation of Complement Component C4 Copy Number Variation in Human Longevity
PLoS One, 9 (1), e86188
DOI 10.1371/journal.pone.0086188
HLA variants related to primary sclerosing cholangitis influence rejection after liver transplantation vs
World J. Gastroenterol., 20 (14), 3986-4000
DOI 10.3748/wjg.v20.i14.3986
Update on primary sclerosing cholangitis genetics
Curr. Opin. Gastroenterol., 30 (3), 310-319
DOI 10.1097/MOG.0000000000000052
Genetic Risks Link Autoimmune Hepatitis to Other Autoimmune Liver Disease
Gastroenterology, 147 (2), 270-273
DOI 10.1053/j.gastro.2014.06.020
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
Small duct primary sclerosing cholangitis without inflammatory bowel disease is genetically different from large duct disease
Liver Int., 34 (10), 1488-1495
DOI 10.1111/liv.12492
Refinement of the MHC Risk Map in a Scandinavian Primary Sclerosing Cholangitis Population
PLoS One, 9 (12), e114486
DOI 10.1371/journal.pone.0114486
Publications 2013
Genome-Wide Association Analysis in Primary Sclerosing Cholangitis and Ulcerative Colitis Identifies Risk Loci at GPR35 and TCF4
Hepatology, 58 (3), 1074-1083
DOI 10.1002/hep.25977
Association Between Variants of PRDM1 and NDP52 and Crohn's Disease, Based on Exome Sequencing and Functional Studies
Gastroenterology, 145 (2), 339-347
DOI 10.1053/j.gastro.2013.04.040
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
REVIEWS IN BASIC AND CLINICAL GASTROENTEROLOGY AND HEPATOLOGY
Gastroenterology, 144 (7), 1357-1374
DOI 10.1053/j.gastro.2013.03.053
Primary sclerosing cholangitis
Lancet, 382 (9904), 1587-1599
DOI 10.1016/S0140-6736(13)60096-3
Immunosuppression After Liver Transplantation for Primary Sclerosing Cholangitis Influences Activity of Inflammatory Bowel Disease
Clin. Gastroenterol. Hepatol., 11 (5), 517-523
DOI 10.1016/j.cgh.2012.12.027
Update on primary sclerosing cholangitis
J. Hepatol., 59 (3), 571-582
DOI 10.1016/j.jhep.2013.03.015
Dense genotyping of immune-related disease regions identifies nine new risk loci for primary sclerosing cholangitis
Nature Genet., 45 (6), 670-+
DOI 10.1038/ng.2616
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
Urine proteomic analysis differentiates cholangiocarcinoma from primary sclerosing cholangitis and other benign biliary disorders
Gut, 62 (1), 122-130
DOI 10.1136/gutjnl-2012-302047
FUT2 and FUT3 genotype determines CA19-9 cut-off values for detection of cholangiocarcinoma in patients with primary sclerosing cholangitis
J. Hepatol., 59 (6), 1278-1284
DOI 10.1016/j.jhep.2013.08.005
Publications 2012
Novel target genes and a valid biomarker panel identified for cholangiocarcinoma
Epigenetics, 7 (11), 1249-1257
DOI 10.4161/epi.22191
Extended analysis of a genome-wide association study in primary sclerosing cholangitis detects multiple novel risk loci
J. Hepatol., 57 (2), 366-375
DOI 10.1016/j.jhep.2012.03.031
Recurrence and rejection in liver transplantation for primary sclerosing cholangitis
World J. Gastroenterol., 18 (1), 1-15
DOI 10.3748/wjg.v18.i1.1
Host-microbe interactions have shaped the genetic architecture of inflammatory bowel disease
Nature, 491 (7422), 119-124
DOI 10.1038/nature11582
A Lecture on the Genetics of Primary Sclerosing Cholangitis
Dig. Dis., 30 1, 32-38
DOI 10.1159/000341122
Genetics in primary sclerosing cholangitis
Clin. Res. Hepatol. Gastroenterol., 36 (4), 325-333
DOI 10.1016/j.clinre.2012.02.003
Fine mapping and replication of genetic risk loci in primary sclerosing cholangitis
Scand. J. Gastroenterol., 47 (7), 820-826
DOI 10.3109/00365521.2012.682090
Publications 2011
Meta-analysis identifies 29 additional ulcerative colitis risk loci, increasing the number of confirmed associations to 47
Nature Genet., 43 (3), 246-U94
DOI 10.1038/ng.764
To MMP or not to MMP: a role for matrix metalloproteinase 3 in primary sclerosing cholangitis?
Liver Int., 31 (6), 751-754
DOI 10.1111/j.1478-3231.2011.02471.x
Genetics in primary sclerosing cholangitis
Best Pract. Res. Clin. Gastroenterol., 25 (6), 713-726
DOI 10.1016/j.bpg.2011.09.010
Liver transplantation for cholangiocarcinoma: Selection is essential for acceptable results
Scand. J. Gastroenterol., 46 (3), 370-375
DOI 10.3109/00365521.2010.533384
TGR5 Sequence Variation in Primary Sclerosing Cholangitis
Dig. Dis., 29 (1), 78-84
DOI 10.1159/000324138
Electrostatic Modifications of the Human Leukocyte Antigen-DR P9 Peptide-Binding Pocket and Susceptibility to Primary Sclerosing Cholangitis
Hepatology, 53 (6), 1967-1976
DOI 10.1002/hep.24299
Three Ulcerative Colitis Susceptibility Loci Are Associated with Primary Sclerosing Cholangitis and Indicate a Role for IL2, REL, and CARD9
Hepatology, 53 (6), 1977-1985
DOI 10.1002/hep.24307
Deciphering the Genetic Predisposition to Primary Sclerosing Cholangitis
Semin. Liver Dis., 31 (2), 188-207
DOI 10.1055/s-0031-1276647
At the End of the Beginning FOREWORD
Semin. Liver Dis., 31 (2), 111-113
DOI 10.1055/s-0031-1276640
Genome-wide association analysis in primary sclerosing cholangitis identifies two non-HLA susceptibility loci
Nature Genet., 43 (1), 17-19
DOI 10.1038/ng.728
Publications 2010
Primary Sclerosing Cholangitis in Genetically Diverse Populations Listed for Liver Transplantation: Unique Clinical and Human Leukocyte Antigen Associations
Liver Transplant., 16 (11), 1324-1330
DOI 10.1002/lt.22161
Genome-wide association study identifies a psoriasis susceptibility locus at TRAF3IP2
Nature Genet., 42 (11), 991-U113
DOI 10.1038/ng.689
Genome-wide association study for ulcerative colitis identifies risk loci at 7q22 and 22q13 (IL17REL)
Nature Genet., 42 (4), 292-294
DOI 10.1038/ng.553
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
Mutational Characterization of the Bile Acid Receptor TGR5 in Primary Sclerosing Cholangitis
PLoS One, 5 (8), e12403
DOI 10.1371/journal.pone.0012403
Genetic associations in Italian primary sclerosing cholangitis: Heterogeneity across Europe defines a critical role for HLA-C
J. Hepatol., 52 (5), 712-717
DOI 10.1016/j.jhep.2009.11.029
Genome-Wide Association Analysis in Primary Sclerosing Cholangitis
Gastroenterology, 138 (3), 1102-1111
DOI 10.1053/j.gastro.2009.11.046
Genetics of cholestatic liver disease in 2010
Curr. Opin. Gastroenterol., 26 (3), 251-258
DOI 10.1097/MOG.0b013e328336807d
The Utility of Genome-Wide Association Studies in Hepatology
Hepatology, 51 (5), 1833-1842
DOI 10.1002/hep.23564
Update on primary sclerosing cholangitis
Dig. Liver Dis., 42 (6), 390-400
DOI 10.1016/j.dld.2010.01.011
Primary sclerosing cholangitis
Best Pract. Res. Clin. Gastroenterol., 24 (5), 655-666
DOI 10.1016/j.bpg.2010.07.005
Association to the Glypican-5 gene in multiple sclerosis
J. Neuroimmunol., 226 (1-2), 194-197
DOI 10.1016/j.jneuroim.2010.07.003
SNP Discovery Performance of Two Second-Generation Sequencing Platforms in the NOD2 Gene Region
Hum. Mutat., 31 (7), 875-885
DOI 10.1002/humu.21276
Publications 2009
Catalytically impaired hMYH and NEIL1 mutant proteins identified in patients with primary sclerosing cholangitis and cholangiocarcinoma
Carcinogenesis, 30 (7), 1147-1154
DOI 10.1093/carcin/bgp118
Killer Immunoglobulin-like Receptor Ligand HLA-Bw4 Protects Against Multiple Sclerosis
Ann. Neurol., 65 (6), 658-666
DOI 10.1002/ana.21695
Genome-wide association studies - A summary for the clinical gastroenterologist
World J. Gastroenterol., 15 (43), 5377-5396
DOI 10.3748/wjg.15.5377
Association of UCP2-866 G/A polymorphism with chronic inflammatory diseases
Genes Immun., 10 (6), 601-605
DOI 10.1038/gene.2009.29
Publications 2008
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), 1287-1291
DOI 10.1136/ard.2007.077826
Replication of signals from recent studies of Crohn's disease identifies previously unknown disease loci for ulcerative colitis
Nature Genet., 40 (6), 713-715
DOI 10.1038/ng.148
Sequence variants in IL10, ARPC2 and multiple other loci contribute to ulcerative colitis susceptibility
Nature Genet., 40 (11), 1319-1323
DOI 10.1038/ng.221
Autoantibodies in primary sclerosing cholangitis
World J. Gastroenterol., 14 (24), 3781-3791
DOI 10.3748/wjg.14.3781
Gallbladder polyps in primary sclerosing cholangitis: not so benign
Curr. Opin. Gastroenterol., 24 (3), 395-399
DOI 10.1097/MOG.0b013e3282f5727a
Investigation of cholangiocarcinoma associated NKG2D polymorphisms in colorectal carcinoma
Int. J. Cancer, 123 (1), 241-242
DOI 10.1002/ijc.23517
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
DOI 10.1111/j.1572-0241.2007.01772_5.x
Cholanglocarcinoma in primary sclerosing cholangitis is associated with NKG2D Polymorphisms
Hepatology, 47 (1), 90-96
DOI 10.1002/hep.21964
Publications 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), 2080-2081
DOI 10.1053/j.gastro.2007.03.087
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
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
Genetic polymorphisms associated with inflammatory bowel disease do not confer risk for primary sclerosing cholangitis
Am. J. Gastroenterol., 102 (1), 115-121
DOI 10.1111/j.1572-0241.2006.00928.x
Genetic epidemiology of primary sclerosing cholangitis
World J. Gastroenterol., 13 (41), 5421-5431
DOI 10.3748/wjg.v13.i41.5421
Primary sclerosing cholangitis is associated with extended HLA-DR3 and HLA-DR6 haplotypes
Tissue Antigens, 69 (2), 161-169
DOI 10.1111/j.1399-0039.2006.00738.x
Publications 2006
Analysis of MAdCAM-1 and ICAM-1 polymorphisms in 365 Scandinavian patients with primary sclerosing cholangitis
J. Hepatol., 45 (5), 704-710
DOI 10.1016/j.jhep.2006.03.012
No association between the functional CARD4 insertion/deletion polymorphism and inflammatory bowel diseases in the German population
Gut, 55 (11), 1679-1680
DOI 10.1136/gut.2006.104646
Polymorphisms in the steroid and xenobiotic receptor gene influence survival in primary sclerosing cholangitis
Gastroenterology, 131 (3), 781-787
DOI 10.1053/j.gastro.2006.05.057
The 32-base pair deletion of the chemokine receptor 5 gene (CCR5-Delta 32) 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
Publications 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
Organisasjonsutvikling og gevinstrealisering knyttet til elektronisk pasientjournal ved medisinsk avdeling, Aust-Agdersykehus HF: sluttrapport
Aust-Agder sykehus HF, Arendal, 31 s.
BIBSYS 080931464
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