Ole Haagen Nielsen

Ole Haagen Nielsen

Clinical Professor

Member of:

  • Internal Medicine: Gastroenterology and Hepatology

ORCID: 0000-0003-4612-8635

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  1. Published

    Drug Insight: Aminosalicylates for the treatment of IBD

    Nielsen, Ole Haagen & Munck, Lars Kristian, 1 Mar 2007, In: Nature Clinical Practice Gastroenterology and Hepatology. 4, 3, p. 160-170 11 p.

    Research output: Contribution to journal › Review › Research › peer-review

  2. Published

    E. coli enterit

    Nielsen, Ole Haagen, Kjeldsen, H. C. & Løge, I., 2009, Lægehåndbogen - et opslagsværk til både sundhedsfaglige og borgere. Lægeforeningens Forlag

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  3. Published

    ERK controls epithelial cell death receptor signalling and cellular FLICE-like inhibitory protein (c-FLIP) in ulcerative colitis

    Seidelin, Jakob Benedict, Coskun, M., Vainer, B., Riis, Lene Buhl, Soendergaard, C. & Nielsen, Ole Haagen, Jul 2013, In: Journal of Molecular Medicine. 91, 7, p. 839-49 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Effect of 5-aminosalicylic acid and analogous substances on superoxide generation and intracellular free calcium in human neutrophilic granulocytes

    Nielsen, Ole Haagen, Bouchelouche, P. N., Berild, D. & Ahnfelt-Rønne, I., Jun 1993, In: Scandinavian Journal of Gastroenterology. 28, 6, p. 527-32 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Effect of the leukotriene LTD4/LTE4 antagonist, SR 2640, in ulcerative colitis: an open clinical study

    Nielsen, Ole Haagen, Ahnfelt-Rønne, I., Thomsen, Michael Kirkedal, Kissmeyer, A. M. & Langholz, Ebbe, Mar 1991, In: Prostaglandins, Leukotrienes & Essential Fatty Acids. 42, 3, p. 181-4 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Effectiveness of Non-Budesonide Therapies in Management of Microscopic Colitis: A Systematic Review and Meta-analysis

    Rehde, A., Hendel, S. K., Juhl, C. B., Gubatan, J. & Nielsen, Ole Haagen, 2023, In: Drugs. 83, 11, p. 1027-1038 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Effects of antirheumatic drugs on endogenous arachidonate metabolism and chemotaxis in human neutrophil granulocytes

    Nielsen, Ole Haagen, Ahnfelt-Rønne, I. & Elmgreen, J., Jan 1989, In: Agents and Actions. 26, 1-2, p. 233-4 2 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Efficacy and safety of methotrexate in the management of inflammatory bowel disease: A systematic review and meta-analysis of randomized, controlled trials

    Nielsen, Ole Haagen, Steenholdt, C., Juhl, C. B. & Rogler, G., Mar 2020, In: EClinicalMedicine. 20, 10 p., 100271.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Ekstraintestinale manifestationer ved inflammatorisk tarmsygdom

    Larsen, S., Bendtzen, K. & Nielsen, Ole Haagen, 2009, In: Ugeskrift for læger. 171, 43, p. 3078-83 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Enhanced capacity for release of leucotriene B4 by neutrophils in rheumatoid arthritis

    Elmgreen, J., Nielsen, Ole Haagen & Ahnfelt-Rønne, I., Jul 1987, In: Annals of the Rheumatic Diseases. 46, 7, p. 501-5 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Epithelial apoptosis: cause or consequence of ulcerative colitis?

    Seidelin, Jakob Benedict & Nielsen, Ole Haagen, 2009, In: Scandinavian Journal of Gastroenterology. 44, 12, p. 1429-34 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Established and emerging biological activity markers of inflammatory bowel disease

    Nielsen, Ole Haagen, Vainer, B., Madsen, S. M., Seidelin, Jakob Benedict & Heegaard, N. H., Feb 2000, In: The American Journal of Gastroenterology. 95, 2, p. 359-67 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Evidence for impaired CARD15 signalling in Crohn's disease without disease linked variants

    Seidelin, Jakob Benedict, Broom, O. J., Olsen, Jørgen & Nielsen, Ole Haagen, 2009, In: PLoS ONE. 4, 11, p. e7794

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Expression of 5-lipoxygenase mRNA is unchanged in the colon of patients with active inflammatory bowel disease

    Hendel, J., Ahnfelt-Rønne, I. & Nielsen, Ole Haagen, 1 Jan 2002, In: Inflammation Research. 51, 8, p. 423-426 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Expression of E-selectin, sialyl Lewis X, and macrophage inflammatory protein-1α by colonic epithelial cells in ulcerative colitis

    Vainer, B., Nielsen, Ole Haagen & Horn, T., 18 Apr 1998, In: Digestive Diseases and Sciences. 43, 3, p. 596-608 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Expression of ICAM-1 in colon epithelial cells: an ultrastructural study performed on in vivo and in vitro models

    Vainer, B., Sørensen, S., Seidelin, Jakob Benedict, Nielsen, Ole Haagen & Horn, T., Dec 2003, In: Virchows Archiv. 443, 6, p. 774-81 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Expression of common gamma chain on peripheral blood mononuclear cells in Crohn's disease

    Kirman, I. & Nielsen, Ole Haagen, 22 Mar 1997, In: Digestive Diseases and Sciences. 42, 2, p. 372-377 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Expression of cyclooxygenase-2 mRNA in active inflammatory bowel disease

    Hendel, J. & Nielsen, Ole Haagen, 1 Jul 1997, In: American Journal of Gastroenterology. 92, 7, p. 1170-1173 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Expression of the genes dual oxidase 2, lipocalin 2 and regenerating islet-derived 1 alpha in Crohn's disease

    Csillag, C., Nielsen, Ole Haagen, Vainer, B., Olsen, Jørgen, Dieckgraefe, B. K., Hendel, J., Dupuy, C., Nielsen, F. C., Borup, R. & Vind, Ida, 2007, In: Scandinavian Journal of Gastroenterology. 42, 4, p. 454-463 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Expression profiling of apoptosis-related genes in enterocytes isolated from patients with ulcerative colitis

    Seidelin, Jakob Benedict & Nielsen, Ole Haagen, 2013, In: A P M I S. Acta Pathologica, Microbiologica et Immunologica Scandinavica. 114, 7-8, p. 508-17 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Extraintestinal manifestations of inflammatory bowel disease: epidemiology, diagnosis, and management

    Larsen, S., Bendtzen, K. & Nielsen, Ole Haagen, 2010, In: Annals of Medicine. 42, 2, p. 97-114 17 p.

    Research output: Contribution to journal › Review › Research › peer-review

  22. Published

    Ex vivo intestinal adhesion of Escherichia coli LF82 in Crohn's disease

    Jensen, S. R., Fink, L. N., Nielsen, Ole Haagen, Brynskov, J. & Brix, S., 2011, In: Microbial Pathogenesis. 51, 6, p. 426-31 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Familial occurrence of inflammatory bowel disease

    Orholm, M., Munkholm, Pia, Langholz, Ebbe, Nielsen, Ole Haagen, Sørensen, Thorkild I.A. & Binder, V., 10 Jan 1991, In: New England Journal of Medicine. 324, 2, p. 84-8 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Farmakogenetik--en ny behandlingsmulighed

    Ainsworth, M. A. & Nielsen, Ole Haagen, 16 May 2005, In: Ugeskrift for Laeger. 167, 20, p. 2141

    Research output: Contribution to journal › Journal article › Research

  25. Published

    Favourable effect of TNF-alpha inhibitor (infliximab) on Blau syndrome in monozygotic twins with a de novo CARD15 mutation

    Milman, N., Andersen, C. B., Hansen, A., Hansen, Thomas van Overeem, Nielsen, Finn Cilius, Fledelius, H., Ahrens, P. & Nielsen, Ole Haagen, Dec 2006, In: APMIS : acta pathologica, microbiologica, et immunologica Scandinavica. 114, 12, p. 912-9 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Fluorescence-based tracing of transplanted intestinal epithelial cells using confocal laser endomicroscopy

    Bergenheim, F., Seidelin, Jakob Benedict, Pedersen, M. T., Mead, B. E., Jensen, Kim Bak, Karp, J. M. & Nielsen, Ole Haagen, 2019, In: Stem Cell Research & Therapy. 10, 1, p. 1-12 12 p., 148.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Gastric emptying and subjective symptoms of nausea: lack of effects of a 5-hydroxytryptamine-3 antagonist ondansetron on gastric emptying in patients with gastric stasis syndrome

    Nielsen, Ole Haagen, Hvid-Jacobsen, K., Lund, P. & Langholz, Ebbe, 1990, In: Digestion. 46, 2, p. 89-96 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. Published

    Gastric emptying rate and small bowel transit time in patients with irritable bowel syndrome determined with 99mTc-labeled pellets and scintigraphy

    Nielsen, Ole Haagen, Gjørup, T. & Christensen, F. N., Dec 1986, In: Digestive Diseases and Sciences. 31, 12, p. 1287-91 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    Gastric mucosal interleukin-8 and IL-8 antibody concentrations related to prevailing Helicobacter pylori infections: A Danish-Albanian study

    Nielsen, Ole Haagen, Horn, T., Prifti, S., Peichl, P., Scheibel, J. H. & Lindley, I. J. D., 1 Jun 1999, In: Danish Medical Bulletin. 46, 3, p. 249-252 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Genome-wide Gene Expression Analysis of Mucosal Colonic Biopsies and Isolated Colonocytes Suggests a Continuous Inflammatory State in the Lamina Propria of Patients with Quiescent Ulcerative Colitis

    Bjerrum, Jakob Tveiten , Hansen, M., Olsen, Jørgen, Nielsen, Ole Haagen, Bjerrum, J. T., Hansen, M., Olsen, J. & Nielsen, Ole Haagen, 2010, In: Inflammatory Bowel Diseases. 16, 6, p. 999-1007 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. Published

    Giardiasis

    Nielsen, Ole Haagen, Kjeldsen, H. C. & Berrild, D., 2009, Lægehåndbogen - et opslagsværk til både sundhedsfaglige og borgere. Lægeforeningens Forlag

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  32. Gut Microbiome and Disorders of the Gastrointestinal Tract

    Hammerhøj, A., Gubatan, J. M. & Nielsen, Ole Haagen, 2024, In: Microorganisms. 12, 3, 2 p., 576.

    Research output: Contribution to journal › Editorial › Research › peer-review

  33. Published

    Gut Microbiome in Inflammatory Bowel Disease: Role in Pathogenesis, Dietary Modulation, and Colitis-Associated Colon Cancer

    Gubatan, J., Boye, T. L., Temby, M., Sojwal, R. S., Holman, D. R., Sinha, S. R., Rogalla, S. R. & Nielsen, Ole Haagen, 2022, In: Microorganisms. 10, 7, 1371.

    Research output: Contribution to journal › Review › Research › peer-review

  34. Published

    Hageorm

    Nielsen, Ole Haagen, Kjeldsen, H. C., Johannessen, T. & Løge, I., 2009, Lægehåndbogen - et opslagsværk til både sundhedsfaglige og borgere. Lægeforeningens Forlag

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  35. Published

    How genetic testing can lead to targeted management of XIAP deficiency-related inflammatory bowel disease

    Nielsen, Ole Haagen & LaCasse, E. C., 2017, In: Genetics In Medicine. 19, p. 133-143

    Research output: Contribution to journal › Review › Research › peer-review

  36. Published

    Hvor langt er vi fra klinisk brug af array-teknologi?

    vlz241, vlz241, Nielsen, Ole Haagen, Borup, R. & Nielsen, Finn Cilius, 16 May 2005, In: Ugeskrift for Laeger. 167, 20, p. 2168-70 3 p.

    Research output: Contribution to journal › Journal article › Research

  37. Published

    Hvor skal vi hen, du?

    Schroeder, T. V., Nielsen, Ole Haagen, Poulsen, H. D., Rosenberg, Jacob, Tulinius, A. & drb459, drb459, 13 Dec 2004, In: Ugeskrift for Laeger. 166, 51, p. 4691

    Research output: Contribution to journal › Editorial › Research › peer-review

  38. Published

    IAPs and RIPK1 mediate LPS-induced cytokine production in healthy subjects and Crohn's disease

    Seidelin, Jakob Benedict, Jensen, Simone, Hansen, M., Bronze, M. R. D. C., Cuchet-Lourenҫo, D., Nejentsev, S., LaCasse, E. C. & Nielsen, Ole Haagen, 2024, In: Clinical and Experimental Immunology. 215, 3, p. 291–301 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    IBD: Can TNF inhibitors be administered during the third trimester?

    Nielsen, Ole Haagen & Jess, T., 2012, In: Nature Reviews. Gastroenterology & Hepatology. 10, 3, p. 130-1 2 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. Published

    IBD medications during pregnancy and lactation

    Nielsen, Ole Haagen, Maxwell, C. & Hendel, J., 2014, In: Nature Reviews. Gastroenterology & Hepatology. 11, 2, p. 116-127 12 p.

    Research output: Contribution to journal › Review › Research › peer-review

  41. Published

    IBD metabonomics predicts phenotype, disease course, and treatment response

    Bjerrum, Jakob Tveiten , Wang, Y. L., Seidelin, Jakob Benedict & Nielsen, Ole Haagen, 2021, In: EBioMedicine. 71, 103551.

    Research output: Contribution to journal › Review › Research › peer-review

  42. Published

    IL-33 is upregulated in colonocytes of ulcerative colitis

    Seidelin, Jakob Benedict, Bjerrum, Jakob Tveiten , Coskun, M., Widjaya, B., Vainer, B., Nielsen, Ole Haagen, Seidelin, J. B., Bjerrum, J. T., Coskun, M., Widjaya, B., Vainer, B. & Nielsen, Ole Haagen, 2010, In: Immunology Letters. 128, 1, p. 80-5 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    IL-33 promotes GATA-3 polarization of gut-derived T cells in experimental and ulcerative colitis

    Seidelin, Jakob Benedict, Coskun, M., Kvist, P. H., Holm, T. L., Holgersen, Kristine & Nielsen, Ole Haagen, Feb 2015, In: Journal of Gastroenterology. 50, 2, p. 180-190 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. Published

    Identification of TNF-α-responsive promoters and enhancers in the intestinal epithelial cell model Caco-2

    Boyd, M., Coskun, M., Lilje, B., Andersson, Robin, Hoof, I., Lange, Jette Bornholdt, Dahlgaard, K., Olsen, Jørgen, Vitezic, M., Bjerrum, Jakob Tveiten , Seidelin, Jakob Benedict, Nielsen, Ole Haagen, Troelsen, J. & Sandelin, Albin Gustav, 2014, In: D N A Research. 21, 6, p. 569-583 15 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    Identification, isolation and analysis of human gut-associated lymphoid tissues

    Jørgensen, P. B., Fenton, T. M., Mörbe, U. M., Riis, Lene Buhl, Jakobsen, H. L., Nielsen, Ole Haagen & Agace, W. W., 22 Feb 2021, In: Nature Protocols. 16, p. 2051–2067

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    Immune Profiling of Human Gut-Associated Lymphoid Tissue Identifies a Role for Isolated Lymphoid Follicles in Priming of Region-Specific Immunity

    Fenton, T. M., Jørgensen, P. B., Niss, K., Rubin, S. J. S., Mörbe, U. M., Riis, Lene Buhl, Da Silva, C., Plumb, A., Vandamme, J., Jakobsen, H. L., Brunak, Søren, Habtezion, A., Nielsen, Ole Haagen, Johansson-Lindbom, B. & Agace, W. W., 2020, In: Immunity. 52, 3, p. 557-570, e1-e6

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Immune cell-derived signals governing epithelial phenotypes in homeostasis and inflammation

    Hausmann, Annika, Steenholdt, Casper, Nielsen, Ole Haagen & Jensen, Kim Bak, 20 Mar 2024, In: Trends in Molecular Medicine. 30, 3, p. 239-251

    Research output: Contribution to journal › Review › Research › peer-review

  48. Published

    Impact of T300A Variant of ATG16L1 on Antibacterial Response, Risk of Culture Positive Infections, and Clinical Course of Crohn's Disease

    Salem, M., Nielsen, Ole Haagen, Nys, K., Yazdanyar, S. & Seidelin, Jakob Benedict, Nov 2015, In: Clinical and Translational Gastroenterology. 6, 9 p., e122.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Impact of feedback and monitoring on colonoscopy withdrawal times and polyp detection rates

    Nielsen, A. B., Nielsen, Ole Haagen & Hendel, J., 2017, In: BMJ Open Gastroenterology. 4, 6 p., e000142.

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    Impact of fibre and red/processed meat intake on treatment outcomes among patients with chronic inflammatory diseases initiating biological therapy: A prospective cohort study

    Overgaard, S. H., Sørensen, S. B., Munk, H. L., Nexøe, A. B., Glerup, H., Henriksen, R. H., Guldmann, T., Pedersen, N., Saboori, S., Hvid, L., Dahlerup, J. F., Hvas, C. L., Jawhara, M., Andersen, K. W., Pedersen, A. K., Nielsen, O. H., Bergenheim, F., Brodersen, J. B., Heitmann, B. L., Halldorsson, T. I. & 6 others, Holmskov, U., Bygum, A., Christensen, R., Kjeldsen, J., Ellingsen, T. & Andersen, V., 2022, In: Frontiers in Nutrition. 9, 13 p., 985732.

    Research output: Contribution to journal › Journal article › Research › peer-review

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ID: 4947702