Johannes R. Hov
Position: Group leader, MD, PhD
Phone: +47 23 07 36 27
Email:

Current positions

Researcher, Norwegian PSC research center, Oslo University Hospital Rikshospitalet / University of Oslo (50%, 2015-)

Group leader, Genomics and metagenomics in inflammatory disorders at Norwegian PSC Research Center and Research Institute of Internal Medicine.

Resident, Section for Gastroenterology, Department of Transplantation Medicine, Division for Cancer medicine, Surgery and Transplantation, Oslo University Hospital Rikshospitalet (50%, 2011-)

Research interests

Primary sclerosing cholangitis, gut microbiota in inflammatory diseases, genetics, gene-environment interactions, autoimmunity

Previous positions

2011-2015 Postdoctoral researcher, Norwegian PSC research center, Oslo University Hospital Rikshospitalet / University of Oslo (50%)

2007-2010 PhD research fellow, Norwegian PSC research center, Oslo University Hospital Rikshospitalet / University of Oslo

2007 Resident, Medical Department, Akershus University Hospital

2006-2007 Resident, Medical Department, Sykehuset Innlandet Hamar

2005-2006 Resident, Medical Department, Akershus University Hospital

2004-2005 Lieutenant, Medical Service, Norwegian Army

2003-2004 Internship in Medicine, Surgery and General Practice, Kongsvinger/Eidskog

Education

MD, University of Oslo, 2003

PhD, University of Oslo, 2011: "Functional genetics in primary sclerosing cholangitis: Studies of the bile acid receptor TGR5 and genes in the HLA complex"

 

Author network for Johannes R. Hov by COREMINE medical


Publications 2017

de Vries EM, 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-center Study
Liver Int (in press)
PubMed 28267887

Hov JR, Kummen M (2017)
Intestinal microbiota in primary sclerosing cholangitis
Curr Opin Gastroenterol, 33 (2), 85-92
PubMed 28030369

Vesterhus M, Holm A, Hov JR, Nygård S, Schrumpf E, Melum E, Thorbjørnsen LW, Paulsen V, Lundin K, Dale I, Gilja OH, Zweers SJ, Vatn M, Schaap FG, Jansen PL, 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 (in press)
PubMed 28161472

Publications 2016

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
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
PubMed 27406039

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
PubMed 26982597

Knudsen A, Christensen TE, Thorsteinsson K, Ghotbi AA, Hasbak P, Lebech AM, Nielsen SD, Hov JR, Berge R, Ripa RS, Kjær A, Trøseid M (2016)
Microbiota-Dependent Marker TMAO is Not Associated With Decreased Myocardial Perfusion in Well-Treated HIV-Infected Patients as Assessed by 82Rubidium PET/CT
J Acquir Immune Defic Syndr, 72 (4), e83-5
PubMed 27152465

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
PubMed 26887816

Kummen M, Hov JR (2016)
Response to 'Faecal microbiota profiles as diagnostic biomarkers in primary sclerosing cholangitis' by Rühlemann et al
Gut, 66 (4), 755-756
PubMed 27340191

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
PubMed 27342213

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
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
PubMed 26868510

Trøseid M, Hov JR, Nestvold TK, Thoresen H, Berge RK, Svardal A, Lappegård KT (2016)
Major Increase in Microbiota-Dependent Proatherogenic Metabolite TMAO One Year After Bariatric Surgery
Metab Syndr Relat Disord, 14 (4), 197-201
PubMed 27081744

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
PubMed 27723756

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
PubMed 26866350

Publications 2015

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
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
PubMed 26119688

Cleynen I, Boucher G, Jostins L, Schumm LP, Zeissig S, Ahmad T, Andersen V, Andrews JM, Annese V, Brand S, Brant SR, Cho JH, Daly MJ, Dubinsky M, Duerr RH, Ferguson LR, Franke A, Gearry RB, Goyette P, Hakonarson H, Halfvarson J, Hov JR, Huang H, Kennedy NA, Kupcinskas L et al. (2015)
Inherited determinants of Crohn's disease and ulcerative colitis phenotypes: a genetic association study
Lancet, 387 (10014), 156-67
PubMed 26490195

Hov JE, Trøseid M (2015)
Personalised medicine targeting the gut microbiota?
Tidsskr Nor Laegeforen, 135 (7), 624
PubMed 25899345

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
PubMed 26207384

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
PubMed 26526357

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
PubMed 26257205

Nowak P, Troseid M, Avershina E, Barqasho B, Neogi U, Holm K, Hov JR, Noyan K, Vesterbacka J, Svärd J, Rudi K, Sönnerborg A (2015)
Gut microbiota diversity predicts immune status in HIV-1 infection
AIDS, 29 (18), 2409-18
PubMed 26355675

Stiksrud B, Nowak P, Nwosu FC, Kvale D, Thalme A, Sonnerborg A, Ueland PM, Holm K, Birkeland SE, Dahm AE, Sandset PM, Rudi K, Hov JR, Dyrhol-Riise AM, Trøseid M (2015)
Reduced Levels of D-dimer and Changes in Gut Microbiota Composition After Probiotic Intervention in HIV-Infected Individuals on Stable ART
J Acquir Immune Defic Syndr, 70 (4), 329-37
PubMed 26258571

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
PubMed 25833813

Wannhoff A, Folseraas T, Brune M, Rupp C, Friedrich K, Knierim J, Weiss KH, Sauer P, Flechtenmacher C, Schirmacher P, Stremmel W, Hov JR, Gotthardt DN (2015)
A common genetic variant of fucosyltransferase 2 correlates with serum carcinoembryonic antigen levels and affects cancer screening in patients with primary sclerosing cholangitis
United European Gastroenterol J, 4 (1), 84-91
PubMed 26966527

Wannhoff A, Rupp C, Friedrich K, Brune M, Knierim J, Flechtenmacher C, Sauer P, Stremmel W, Hov JR, Schirmacher P, Weiss KH, Gotthardt DN (2015)
Inflammation But Not Biliary Obstruction Is Associated With Carbohydrate Antigen 19-9 Levels in Patients With Primary Sclerosing Cholangitis
Clin Gastroenterol Hepatol, 13 (13), 2372-9
PubMed 26192140

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
PubMed 25753671

Publications 2014

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
PubMed 24744588

Friedrich K, Wannhoff A, Kattner S, Brune M, Hov JR, Weiss KH, Antoni C, Dollinger M, Neumann-Haefelin C, Seufferlein T, Schemmer P, Schirmacher P, Stremmel W, Gotthardt DN (2014)
PNPLA3 in end-stage liver disease: alcohol consumption, hepatocellular carcinoma development, and transplantation-free survival
J Gastroenterol Hepatol, 29 (7), 1477-84
PubMed 25273282

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
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
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
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
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
PubMed 22821403

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
PubMed 23505555

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
PubMed 23603763

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
PubMed 23958938

Publications 2012

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
PubMed 22521342

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

Publications 2011

Hov JR, Keitel V, Schrumpf E, Häussinger D, Karlsen TH (2011)
TGR5 sequence variation in primary sclerosing cholangitis
Dig Dis, 29 (1), 78-84
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
PubMed 21413052

Publications 2010

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
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
PubMed 20347497

Karlsen TH, Hov JR (2010)
Genetics of cholestatic liver disease in 2010
Curr Opin Gastroenterol, 26 (3), 251-8
PubMed 20042859

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
PubMed 21151127

Publications 2009

Hov JR, Clench-Aas J, Bartonova A, Stavem K (2009)
Agreement of a child's respiratory symptom diary with parental reports and peak expiratory flow
Int J Tuberc Lung Dis, 13 (3), 400-6
PubMed 19275804

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
PubMed 19944697

Publications 2008

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

Publications 2003

Røsjø HR, Hov JE, Borchsenius F, Skjønsberg OH (2003)
[Wasp allergy vaccination]
Tidsskr Nor Laegeforen, 123 (8), 1075-7
PubMed 12760227