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  • E-mailJorn.Sagen@uib.no
  • Phone+47 55 97 61 74
  • Visitor Address
    Haukeland universitetssykehus, Laboratoriebygget
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    Postboks 7804
    5020 Bergen
Journal articles
  • Dankel, Simon N; Røst, Therese Halvorsen; Kulyté, Agné; Fandalyuk, Zinayida; Skurk, Thomas; Hauner, Hans; Sagen, Jørn V.; Rydén, Mikael; Arner, Peter; Mellgren, Gunnar. 2019. The Rho GTPase RND3 regulates adipocyte lipolysis. Metabolism: Clinical and Experimental. 101:153999: 1-12. doi: 10.1016/j.metabol.2019.153999
  • Gudbrandsen, Oddrun Anita; Dankel, Simon N; Skumsnes, Lillian; Flølo, Tone Nygaard; Folkestad, Oddry H; Nielsen, Hans Jørgen; Våge, Villy; Mohn, Arne-Christian; Nedrebø, Bjørn Gunnar; Sagen, Jørn V.; Fernø, Johan; Mellgren, Gunnar. 2019. Short-term effects of Vertical sleeve gastrectomy and Roux-en-Y gastric bypass on glucose homeostasis. Scientific Reports. 9:14817: 1-7. doi: 10.1038/s41598-019-51347-x
  • Helgeland, Øyvind; Vaudel, Marc; Juliusson, Petur Benedikt; Holmen, Oddgeir Lingaas; Juodakis, Julius; Bacelis, Jonas; Jacobsson, Bo; Lindekleiv, Haakon; Hveem, Kristian; Lie, Rolv T.; Knudsen, Gun Peggy Strømstad; Stoltenberg, Camilla; Magnus, Per; Sagen, Jørn V.; Molven, Anders; Johansson, Stefan; Njølstad, Pål Rasmus. 2019. Genome-wide association study reveals dynamic role of genetic variation in infant and early childhood growth. Nature Communications. 10:4448: 1-10. doi: 10.1038/s41467-019-12308-0
  • Svärd, Jessica; Røst, Therese Halvorsen; Sommervoll, Camilla Elise Nergård; Haugen, Christine; Gudbrandsen, Oddrun Anita; Christensen, Anne Elisabeth; Rødahl, Eyvind; Fernø, Johan; Dankel, Simon N; Sagen, Jørn V.; Mellgren, Gunnar. 2019. Absence of the proteoglycan decorin reduces glucose tolerance in overfed male mice. Scientific Reports. 9. doi: 10.1038/s41598-018-37501-x
  • Bjune, Jan-Inge; Haugen, Christine; Gudbrandsen, Oddrun Anita; Nordbø, Ole Petter; Nielsen, Hans Jørgen; Våge, Villy; Njølstad, Pål Rasmus; Sagen, Jørn V.; Dankel, Simon N; Mellgren, Gunnar. 2018. IRX5 regulates adipocyte amyloid precursor protein and mitochondrial respiration in obesity. International Journal of Obesity. doi: 10.1038/s41366-018-0275-y
  • Bozickovic, Olivera; Skartveit, Linn; Svendsen, Agnete; Helland, Thomas; Jonsdottir, Kristin; Flågeng, Marianne Hauglid; Fenne, Ingvild Sveinsgjerd; Janssen, Emiel; Lorens, James; Bjørkhaug, Lise; Sagen, Jørn V.; Mellgren, Gunnar. 2018. A novel SRC-2-dependent regulation of epithelial-mesenchymal transition in breast cancer cells. Journal of Steroid Biochemistry and Molecular Biology. 185: 57-70. doi: 10.1016/j.jsbmb.2018.07.011
  • Kareem Eldin, Mohammed Adhmed Abdel Ghafar; Frøysa, Håvard G; Karlsen, Odd Andre; Sagen, Jørn V.; Mellgren, Gunnar; Verhaegen, Steven; Ropstad, Erik; Goksøyr, Anders; Kellmann, Ralf. 2018. LC-MS/MS based profiling and dynamic modelling of the steroidogenesis pathway in adrenocarcinoma H295R cells. Toxicology in Vitro. 52: 332-341. doi: 10.1016/j.tiv.2018.07.002
  • Stokke, Silje Agnethe; Myhr, Kjell-Morten; Holmøy, Trygve; Saltyte Benth, Jurate; Wergeland, Stig; Beiske, Antonie Giæver; Bjerve, Kristian S; Hovdal, Harald Olav; Midgard, Rune; Sagen, Jørn V.; Torkildsen, Øivind. 2018. Serum levels of leptin and adiponectin are not associated with disease activity or treatment response in multiple sclerosis. Journal of Neuroimmunology. 323: 73-77. doi: 10.1016/j.jneuroim.2018.07.011
  • Ueland, Grethe Åstrøm; Methlie, Paal; Jøssang, Dag Eirik; Sagen, Jørn V.; Viste, Kristin; Thordarson, Hrafnkell B; Heie, Anette; Grytaas, Marianne; Løvås, Kristian; Biermann, Martin; Husebye, Eystein Sverre. 2018. Adrenal Venous Sampling for Assessment of Autonomous Cortisol Secretion. Journal of Clinical Endocrinology and Metabolism. 103: 4553-4560. doi: 10.1210/jc.2018-01198
  • Ueland, Grethe Åstrøm; Methlie, Paal; Øksnes, Marianne; Thordarson, Hrafnkell B; Sagen, Jørn V.; Kellmann, Ralf; Mellgren, Gunnar; Ræder, Maria B; Dahlqvist, Per; Dahl, Sandra Rinne; Thorsby, Per Medbøe; Løvås, Kristian; Husebye, Eystein Sverre. 2018. The short cosyntropin test revisited: new normal reference range using LC-MS/MS. Journal of Clinical Endocrinology and Metabolism. 103: 1696-1703. doi: 10.1210/jc.2017-02602
  • Grytaas, Marianne Aardal; Strømsøy, Siri S.; Rørvik, Jarle; Arnes, Jarle; Heie, Anette; Arnesen, Thomas; Jørstad, Melissa Davidsen; Nedrebø, Bjørn Gunnar; Jøssang, Dag Eirik; Jensen, Dag Kjartan; Rørvik, Håvard D.; Sagen, Jørn V.; Mellgren, Gunnar; Thordarson, Hrafnkell B; Husebye, Eystein Sverre; Løvås, Kristian. 2017. Clinical Characteristics and Long-Term Outcome of Primary Aldosteronism in a Norwegian Population. Hormone and Metabolic Research. 49: 838-846. doi: 10.1055/s-0043-118909
  • Sagen, Jørn V.; Bjørkhaug, Lise; Haukanes, Bjørn Ivar; Grevle, Louise; Molnes, Janne; Nedrebø, Bjørn Gunnar; Søvik, Oddmund; Njølstad, Pål Rasmus; Johansson, Stefan; Molven, Anders. 2017. The HNF1A mutant Ala180Val: Clinical challenges in determining causality of a rare HNF1A variant in familial diabetes. Diabetes Research and Clinical Practice. 133: 142-149. doi: 10.1016/j.diabres.2017.08.001
  • Veum, Vivian Lohmann; Laupsa-Borge, Johnny; Eng, Øyvin Andre Solberg; Rostrup, Espen; Larsen, Terje H; Nordrehaug, Jan Erik; Nygård, Ottar; Sagen, Jørn V.; Gudbrandsen, Oddrun Anita; Dankel, Simon N; Mellgren, Gunnar. 2017. Visceral adiposity and metabolic syndrome after very high-fat and low-fat isocaloric diets: A randomized controlled trial. American Journal of Clinical Nutrition. 105: 85-99. doi: 10.3945/ajcn.115.123463
  • Avila, Magali; Dyment, David A.; Sagen, Jørn V.; St-Onge, Judith; Moog, Ute; Chung, Brian Hon-Yin; Mo, S.; Mansour, Sahar; Albanese, Assunta; Garcia, Sixto; Martin, David Ortiz; Lopez, Ainhoa Abad; Claudi, Tor; König, Rainer; White, Susan M.; Sawyer, Sarah L.; Bernstein, Jon A.; Slattery, Leah; Jobling, Rebekah K.; Yoon, Grace; Curry, Cynthia J.; Le Merrer, Martine; Le Luyer, Bernard; Héron, Delphine; Mathieu-Dramard, Michèle; Bitoun, Pierre; Odent, Sylvie; Amiel, Jeanne; Kuentz, Paul; Thevenon, Julien; Laville, Martine; Reznik, Yves; Fagour, Cédric; Nunes, Marie-Laure; Delesalle, Dorothée; Manouvrier, Sylvie Hanu; Lascols, Olivier; Huet, Frédéric; Binquet, Christine; Faivre, Laurence; Rivière, Jean-Baptiste; Vigouroux, Corinne; Njølstad, Pål Rasmus; Innes, Allan Micheil; Thauvin-Robinet, Christel. 2016. Clinical reappraisal of SHORT syndrome with PIK3R1 mutations: Toward recommendation for molecular testing and management. Clinical Genetics. 89: 501-506. doi: 10.1111/cge.12688
  • Madsen, Andre Greger; Bjune, Jan Inge; Bjørkhaug, Lise; Mellgren, Gunnar; Sagen, Jørn V. 2016. The cAMP-dependent protein kinase downregulates glucose-6-phosphatase expression through RORα and SRC-2 coactivator transcriptional activity. Molecular and Cellular Endocrinology. 419: 92-101. doi: 10.1016/j.mce.2015.10.003
  • Stokke, Silje Agnethe; Methlie, Paal; Løvås, Kristian; Sagen, Jørn V. 2016. Nedsatt følsomhet for thyreoideahormon. Tidsskrift for Den norske legeforening. 136: 618-622. doi: 10.4045/tidsskr.15.0084
  • Bozickovic, Olivera; Hoang, Tuyen; Fenne, Ingvild Sveinsgjerd; Helland, Thomas; Skartveit, Linn; Ouchida, Mamoru; Mellgren, Gunnar; Sagen, Jørn V. 2015. Cyclin C interacts with steroid receptor coactivator 2 and upregulates cell cycle genes in MCF-7 cells. BBA - Molecular Cell Research. 1853: 2383-2391. doi: 10.1016/j.bbamcr.2015.05.016
  • Madsen, Andre Greger; Bozickovic, Olivera; Bjune, Jan Inge; Mellgren, Gunnar; Sagen, Jørn V. 2015. Metformin inhibits hepatocellular glucose, lipid and cholesterol biosynthetic pathways by transcriptionally suppressing steroid receptor coactivator 2 (SRC-2). Scientific Reports. 5:16430. doi: 10.1038/srep16430
  • Stokke, Silje Agnethe; Myhr, Kjell-Morten; Holmøy, Trygve; Saltyte Benth, Jurate; Wergeland, Stig; Beiske, Antonie Giæver; Bjerve, Kristian S; Hovdal, Harald Olav; Lilleås, Finn; Midgard, Rune; Pedersen, Tom; Bakke, Søren Jacob; Michelsen, Annika; Aukrust, Pål; Ueland, Thor; Sagen, Jørn V.; Torkildsen, Øivind. 2015. Body mass index influence interferon-beta treatment response in multiple sclerosis. Journal of Neuroimmunology. 288: 92-97. doi: 10.1016/j.jneuroim.2015.09.008
  • Dankel, Simon E Nitter; Degerud, Eirik Magnus Meek; Borkowski, Kamil; Fjære, Even; Midtbø, Lisa Kolden; Haugen, Christine; Solsvik, Margit; Lavigne, Ann Marie; Liaset, Bjørn; Sagen, Jørn V.; Kristiansen, Karsten; Mellgren, Gunnar; Madsen, Lise. 2014. Weight cycling promotes fat gain and altered clock gene expression in adipose tissue in C57BL/6J mice. American Journal of Physiology. Endocrinology and Metabolism. 306: E210-E224. doi: 10.1152/ajpendo.00188.2013
  • Dankel, Simon E Nitter; Svärd, Jessica; Matthä, Simone; Claussnitzer, Melina; Klöting, Nora; Glunk, Viktoria; Fandalyuk, Zinayida; Grytten, Elise; Solsvik, Margit; Nielsen, Hans Jørgen; Busch, Christian; Hauner, Hans; Blüher, Matthias; Skurk, Thomas; Sagen, Jørn V.; Mellgren, Gunnar. 2014. COL6A3 expression in adipocytes associates with insulin resistance and depends on PPARγ and adipocyte size. Obesity. 22: 1807-1813. doi: 10.1002/oby.20758
  • Negahdar, Maria; Aukrust, Ingvild; Molnes, Janne; Solheim, Marie Holm; Johansson, Bente Berg; Sagen, Jørn V.; Dahl-Jørgensen, Knut; Kulkarni, Rohit Rajesh; Søvik, Oddmund; Flatmark, Torgeir; Njølstad, Pål Rasmus; Bjørkhaug, Lise. 2014. GCK-MODY diabetes as a protein misfolding disease: The mutation R275C promotes protein misfolding, self-association and cellular degradation. Molecular and Cellular Endocrinology. 382: 55-65. doi: 10.1016/j.mce.2013.08.020
  • Chudasama, Kishan Kumar; Winnay, Jonathan; Johansson, Stefan; Claudi, Tor; König, Rainer; Haldorsen, Ingfrid S.; Johansson, Bente Berg; Woo, Ju Rang; Aarskog, Dagfinn; Sagen, Jørn V.; Kahn, C. Ronald; Molven, Anders; Njølstad, Pål Rasmus. 2013. SHORT syndrome with partial lipodystrophy due to impaired phosphatidylinositol 3 kinase signaling. American Journal of Human Genetics. 93: 150-157. doi: 10.1016/j.ajhg.2013.05.023
  • Fenne, Ingvild Sveinsgjerd; Helland, Thomas; Flågeng, Marianne Hauglid; Dankel, Simon E Nitter; Mellgren, Gunnar; Sagen, Jørn V. 2013. Downregulation of steroid receptor coactivator-2 modulates estrogen-responsive genes and stimulates proliferation of MCF-7 breast cancer cells. PLOS ONE. 8. 10 pages. doi: 10.1371/journal.pone.0070096
  • Hoang, Tuyen; Fenne, Ingvild Sveinsgjerd; Madsen, Andre Greger; Bozickovic, Olivera; Johannessen, Mona; Bergsvåg, Mari; Lien, Ernst Asbjørn; Stallcup, Michael R.; Sagen, Jørn V.; Moens, Ugo; Mellgren, Gunnar. 2013. cAMP response element-binding protein interacts with and stimulates the proteasomal degradation of the nuclear receptor coactivator GRIP1. Endocrinology. 154: 1513-1527. doi: 10.1210/en.2012-2049
  • Søvik, Oddmund; Irgens, Henrik Underthun; Molnes, Janne; Sagen, Jørn V.; Bjørkhaug, Lise; Ræder, Helge; Molven, Anders; Njølstad, Pål Rasmus. 2013. Monogenetic diabetes mellitus in Norway :. Norsk Epidemiologi. 23: 55-60.
  • York, Brian; Sagen, Jørn V.; Tsimelzon, Anna; Louet, Jean Francois; Chopra, Atul R.; Reineke, Erin L.; Zhou, Suoling; Stevens, Robert D.; Wenner, Brett R.; Ilkayeva, Olga; Bain, James R.; Xu, Jianming; Hilsenbeck, Susan G.; Newgard, Christopher B.; O'Malley, Bert W. 2013. Research resource: tissue- and pathway-specific metabolomic profiles of the steroid receptor coactivator (SRC) family. Molecular Endocrinology. 27: 366-380. doi: 10.1210/me.2012-1324
  • Veum, Vivian Lohmann; Dankel, Simon E Nitter; Gjerde, Jennifer; Nielsen, Hans Jørgen; Solsvik, Margit Hildershavn; Haugen, Christine; Christensen, Bjørn Jostein; Hoang, Tuyen; Fadnes, Dag Jone Stokke; Busch, Christian; Våge, Villy; Sagen, Jørn V.; Mellgren, Gunnar. 2012. The nuclear receptors NUR77, NURR1 and NOR1 in obesity and during fat loss. International Journal of Obesity. 36: 1195-1202. doi: 10.1038/ijo.2011.240
  • York, Brian; Reineke, Erin L.; Sagen, Jørn V.; Nikolai, Bryan C.; Zhou, Suoling; Louet, Jean Francois; Chopra, Atul R.; Chen, Xian; Reed, Graham; Noebels, Jeffrey; Adesina, Adekunle M.; Yu, Hui; Wong, Lee-Jun C.; Tsimelzon, Anna; Hilsenbeck, Susan; Stevens, Robert D.; Wenner, Brett R.; Ilkayeva, Olga; Xu, Jianming; Newgard, Christopher B.; O'Malley, Bert W. 2012. Ablation of Steroid Receptor Coactivator-3 Resembles the Human CACT Metabolic Myopathy. Cell Metabolism. 15: 752-763. doi: 10.1016/j.cmet.2012.03.020
  • Sagen, Jørn V. 2011. Nuclear hormone receptors – a family of hormone dependent transcriptional regulators. Klinisk Biokemi i Norden. 23: 30-35.
  • Dankel, Simon E Nitter; Fadnes, Dag Jone Stokke; Stavrum, Anne-Kristin; Stansberg, Christine; Holdhus, Rita; Hoang, Tuyen; Veum, Vivian Lohmann; Christensen, Bjørn Jostein; Våge, Villy; Sagen, Jørn V.; Steen, Vidar Martin; Mellgren, Gunnar. 2010. From stress response to developmental processes in abdominal subcutaneous adipose tissue after bariatric surgery. Endocrine journal. 57: S429-S429.
  • Dankel, Simon E Nitter; Fadnes, Dag Jone Stokke; Stavrum, Anne-Kristin; Stansberg, Christine; Holdhus, Rita; Hoang, Tuyen; Veum, Vivian Lohmann; Christensen, Bjørn Jostein; Våge, Villy; Sagen, Jørn V.; Steen, Vidar Martin; Mellgren, Gunnar. 2010. Switch from stress response to homeobox transcription factors in adipose tissue after profound fat loss. PLOS ONE. 5. 12 pages. doi: 10.1371/journal.pone.0011033
  • Dankel, Simon E Nitter; Hoang, Tuyen; Flågeng, Marianne Hauglid; Sagen, Jørn V.; Mellgren, Gunnar. 2010. cAMP-mediated regulation of HNF-4 alpha depends on the level of coactivator PGC-1 alpha. BBA - Molecular Cell Research. 1803: 1013-1019. doi: 10.1016/j.bbamcr.2010.05.008
  • Hoang, Tuyen; Dankel, Simon E Nitter; Fadnes, Dag Jone Stokke; Veum, Vivian Lohmann; Våge, Villy; Steen, Vidar Martin; Sagen, Jørn V.; Mellgren, Gunnar. 2010. Gene Expression Profile of Nuclear Receptors and Coregulators in Adipose Tissues in Morbid Obesity and after Profound Fat Loss. Endocrine reviews. 31. 1 pages.
  • York, Brian; Yu, Chundong; Sagen, Jørn V.; Liu, Zhaoliang; Nikolai, Bryan C.; Wu, Ray-Chang; Finegold, Milton; Xu, Juanming; O'Malley, Bert W. 2010. Reprogramming the posttranslational code of SRC-3 confers a switch in mammalian systems biology. Proceedings of the National Academy of Sciences of the United States of America. 107: 11122-11127. doi: 10.1073/pnas.1005262107
  • Fenne, Ingvild Sveinsgjerd; Hoang, Tuyen; Hauglid, Marianne; Sagen, Jørn V.; Lien, Ernst Asbjørn; Mellgren, Gunnar. 2008. Recruitment of coactivator glucocorticoid receptor interacting protein 1 to an estrogen receptor transcription complex is regulated by the 3',5'-cyclic adenosine 5'-monophosphate-dependent protein kinase. Endocrinology. 149: 4336-4345. doi: 10.1210/en.2008-0037
  • Sagen, Jørn V.; Bjørkhaug, Lise; Molnes, Janne; Ræder, Helge; Grevle, Louise; Søvik, Oddmund; Molven, Anders; Njølstad, Pål Rasmus. 2008. Diagnostic screening of MODY2/GCK mutations in the Norwegian MODY Registry. Pediatric Diabetes. 9: 442-449. doi: 10.1111/j.1399-5448.2008.00399.x
  • Søvik, Oddmund; Tansek, Mojca Zerjav; Sagen, Jørn V.; Njølstad, Pål Rasmus. 2007. Management of neonatal and infancy-onset diabetes mellitus. Endocrine Development. 11: 94-105.
  • Raeder, Helge; Ræder, Helge; Bjorkhaug, Lise; Bjørkhaug, Lise; Johansson, Stefan; Mangseth, Kjersti; Sagen, Jørn V.; Hunting, Anne; Følling, Ivar; Johansen, Odd; Bjørgaas, Marit; Paus, Povel N.; Søvik, Oddmund; Søvik, Oddmund; Molven, Anders; Njølstad, Pål Rasmus. 2006. A hepatocyte nuclear factor-4 alpha gene (HNF4A) P2 promoter haplotype linked with late-onset diabetes - Studies of HNF4A variants in the Norwegian MODY registry. Diabetes. 55: 1899-1903. doi: 10.2337/db05-1677
  • Ræder, Helge; Johansson, Stefan; Holm, Pål I.; Haldorsen, Ingfrid S.; Mas, Eric; Sbarra, Véronique; Nermoen, Ingrid; Eide, Stig Åge; Grevle, Louise; Bjørkhaug, Lise; Sagen, Jørn V.; Aksnes, Lage; Søvik, Oddmund; Lombardo, Dominique; Molven, Anders; Njølstad, Pål Rasmus. 2006. Mutations in the CEL VNTR cause a syndrome of diabetes and pancreatic exocrine dysfunction. Nature Genetics. 38: 54-62. doi: 10.1038/ng1708
  • Sagen, JV; Odili, S; Bjørkhaug, L.; Zelent, D; Buettger, C; Kwagh, J; Stanley, C; Dahl-Jørgensen, Knut; de Beaufort, CE; Bell, GI; Han, Y; Grimsby, J; Taub, R; Molven, A; Søvik, Oddmund; Njølstad, PR; Matschinsky, FM. 2006. From clinicogenetic studies of maturity-onset diabetes of the young to unraveling complex mechanisms of glucokinase regulation. Diabetes. 55: 1713-1722.
  • Gundersen, Lise Bj.; Johansson, Stefan; Ræder, Helge; Undlien, Dag E.; Molven, Anders; Søvik, Oddmund; Thorsby, Per; Sagen, Jørn V.; Njølstad, Pål Rasmus. 2005. Molekylærgenetisk diagnostikk ved diabetes mellitus. Tidsskrift for Den norske legeforening. 125: 2968-2972.
  • Sagen, Jørn V.; Baumann, Maren E.; Salvesen, Helga; Molven, Anders; Søvik, Oddmund; Njølstad, Pål Rasmus. 2005. Diagnostic screening of NEUROD1 (MODY6) in subjects with MODY or gestational diabetes mellitus. Diabetic Medicine. 22: 1012-1015.
  • Sagen, Jørn V.; Pearson, Ewan R.; Johansen, Anders; Spyer, Ghislaine; Søvik, Oddmund; Pedersen, Oluf; Njølstad, Pål Rasmus; Hattersley, Andrew T.; Hansen, Torben. 2005. Preserved insulin response to tolbutamide in hepatocyte nuclear factor-1 alpha mutation carriers. Diabetic Medicine. 22: 406-409.
  • Akbari, M; Skjelbred, C; Folling, I; Sagen, Jørn V.; Krokan, HE. 2004. A gel electrophoresis method for detection of mitochondrial DNA mutation (3243 tRNA (Leu (UUR))) applied to a Norwegian family with diabetes mellitus and hearing loss. Scandinavian Journal of Clinical and Laboratory Investigation. 64: 86-92.
  • Sagen, Jørn V.; Ræder, Helge; Hathout, Eba; Gudmundsson, K; Bævre, H; Abuelo, D; Phornphutkul, C; Molnes, Janne; Bell, GI; Gloyn, AL; Hattersley, AT; Molven, Anders; Søvik, Oddmund; Njølstad, Pål Rasmus. 2004. Permanent neonatal diabetes due to mutations in KCNJ11 encoding Kir6.2 - Patient characteristics and initial response to sulfonylurea therapy. Diabetes. 53: 2713-2718.
  • Bjørkhaug, L; Sagen, Jørn V.; Thorsby, P; Søvik, Oddmund; Molven, Anders; Njølstad, Pål Rasmus. 2003. Hepatocyte nuclear factor- 1 alpha gene mutations and diabetes in Norway. Journal of Clinical Endocrinology and Metabolism. 88: 920-931.
  • Gundersen, Lise Bj.; Sagen, Jørn V.; Thorsby, P; Søvik, Oddmund; Molven, Anders; Njølstad, Pål Rasmus. 2003. Hepatocyte nuclear factor-1 alpha gene mutations and diabetes in Norway. Journal of Clinical Endocrinology and Metabolism. 88: 920-931.
  • Njølstad, Pål Rasmus; Sagen, Jørn V. 2003. Klinisk molekylærmedisin (4): Koblingsanalyser. Pediatrisk Endokrinologi. 16: 34-38.
  • Njølstad, Pål Rasmus; Sagen, Jørn V.; Bjørkhaug, Lise; Odili, Stella; Shehadeh, Naim; Bakry, Doua; Sarici, U; Alpay, Faruk; Molnes, Janne; Molven, Anders; Søvik, Oddmund; Matschinsky, Franz M. 2003. Permanent neonatal diabetes caused by glucokinase deficiency; inborn error of the glucose-insulin signaling pathway. Diabetes. 52: 2854-2860.
  • Sagen, Jørn V.; Bostad, Leif; Njølstad, Pål Rasmus; Søvik, Oddmund. 2003. Enlarged nephrons and severe non-diabetic nephropathy in hepatocyte nuclear factor (HNF)-1 beta mutation carriers. Kidney International. 64: 793-800.
  • Sagen, Jørn V.; Bostad, Leif; Njølstad, Pål Rasmus; Søvik, Oddmund. 2003. Enlarged nephrons and severe non-diabetic nephropathy in hepatocyte nuclear factor (HNF)-1 beta mutation carriers. Kidney International. 64: 793-800.
  • Sagen, Jørn V.; Njølstad, Pål Rasmus; Søvik, Oddmund. 2002. Reduced prevalence of late-diabetic complications in MODY3 with early diagnosis. Diabetic Medicine. 19: 697-703.
  • Njølstad, Pål Rasmus; Søvik, Oddmund; Cockburn, B. N.; Bell, G. I.; Følling, I.; Sagen, Jørn V. 1998. Ikke-insulinkrevende diabetes mellitus hos barn og unge voksne. Tidsskrift for Den norske legeforening. 118: 1054-1057.
  • Søvik, Oddmund; Njølstad, Pål Rasmus; Følling, I.; Sagen, Jørn V.; Cockburn, B. N.; Bell, G. I. 1998. Hyperexacitability to sulphonylurea in MODY3. Diabetologia. 41: 607-608.
Reports and theses
  • Sagen, Jørn V. 2005. Clinical and molecular aspects of monogenic diabetes mellitus.
Book sections
  • Moi, Line Leonore Haugan; Flågeng, Marianne Hauglid; Dankel, Simon E Nitter; Hoang, Tuyen; Gjerde, Jennifer; Sagen, Jørn V.; Lien, Ernst Asbjørn; Mellgren, Gunnar. 2011. Steroid Receptor Coactivators and Endocrine Treatment in Breast Cancer. 2, pages 35-66. In:
    • Bates, Margaret K; Kerr, Regina M. 2011. Nuclear Receptors. Nova Science Publishers, Inc.. 174 pages. ISBN: 978-1-61209-980-4.
  • Sagen, Jørn V. 2011. Fysisk aktivitet. 5, pages 147-157. In:
    • Skafjeld, Anita; Graue, Marit. 2011. Diabetes : forebygging, oppfølging, behandling. Akribe Forlag. 374 pages. ISBN: 978-82-7950-074-2.
  • Sagen, Jørn V. 2011. Sykdomslære. 1, pages 19-73. In:
    • Skafjeld, Anita; Graue, Marit. 2011. Diabetes : forebygging, oppfølging, behandling. Akribe Forlag. 374 pages. ISBN: 978-82-7950-074-2.
  • Søvik, Oddmund; Sagen, Jørn V.; Njølstad, Pål Rasmus. 2008. MODY5 due to mutations in TCF2 (HNF-1ß): The clinical spectrum with special reference to urogenital malformations. Kapittel, pages 1096-1102. In:
    • Epstein, Charles J.; Erickson, Robert P.; Wynshaw-Boris, Anthony. 2008. Inborn Errors of Development. Oxford University Press. 1664 pages. ISBN: 9780195306910.

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