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- Title
Increased nitric oxide synthesis in ulcerative colitis.
- Authors
Middleton, S J; Shorthouse, M; Hunter, J O
- Abstract
Nitric oxide (NO) is produced in tissues by NO synthase with the liberation of equimolar amounts of citrulline. Citrulline concentrations were significantly higher in rectal biopsy specimens from patients with active ulcerative colitis than in those from patients with quiescent disease or with normal histology. Incubation of biopsy samples from patients with ulcerative colitis with NG-monomethyl-L-arginine (L-NMMA) inhibited citrulline production. These findings suggest that mucosal NO biosynthesis is increased in active colitis and that NO may have a pathogenic role in ulcerative colitis.
- Publication
Lancet (London, England), 1993, Vol 341, Issue 8843, p465
- ISSN
0140-6736
- Publication type
Journal Article
- DOI
10.1016/0140-6736(93)90211-x