Expression of nitric oxide synthases and effects of L-arginine and L-NMMA on nitric oxide production and fluid transport in collagenous colitis

A Perner, Lars Andresen, M Normark, B Fischer-Hansen, S Sørensen, J Eugen-Olsen, J Rask-Madsen

    63 Citations (Scopus)

    Abstract

    Luminal nitric oxide (NO) is greatly increased in the colon of patients with collagenous and ulcerative colitis. To define the source and consequence of enhanced NO production we have studied expression of NO synthase (NOS) isoforms and nitrotyrosine in mucosal biopsies from these patients. In addition, effects on colonic fluid transfer caused by manipulating the substrate of NOS were studied in patients with collagenous colitis.
    Original languageEnglish
    JournalGut
    Volume49
    Issue number3
    Pages (from-to)387-94
    Number of pages8
    ISSN0017-5749
    Publication statusPublished - 2001

    Keywords

    • Adult
    • Aged
    • Arginine
    • Blotting, Western
    • Body Fluids
    • Case-Control Studies
    • Colitis, Ulcerative
    • Confidence Intervals
    • Female
    • Humans
    • Intestinal Absorption
    • Male
    • Middle Aged
    • Nitric Oxide
    • Nitric Oxide Synthase
    • Nitric Oxide Synthase Type I
    • Nitric Oxide Synthase Type II
    • Nitric Oxide Synthase Type III
    • Statistics, Nonparametric
    • Tyrosine
    • Up-Regulation
    • omega-N-Methylarginine

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