Title : Site-specific lesion formation, inflammation and inducible nitric oxide synthase expression by indomethacin in the rat intestine.

Pub. Date : 2000 Feb 4

PMID : 10675738






4 Functional Relationships(s)
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1 The involvement of nitric oxide (NO) formed by the inducible isoform of NO synthase (iNOS) has been investigated in the development of rat intestinal lesions following indomethacin administration. Indomethacin nitric oxide synthase 2 Rattus norvegicus
2 Over a 72-h period, indomethacin (10 mg kg(-1), s.c.) provoked a time-dependent increase in expression of iNOS (assessed by the conversion of radiolabelled L-arginine to citrulline) and enhancement of vascular leakage of radiolabelled human serum albumin in the jejunum which commenced 18 h after indomethacin. Indomethacin nitric oxide synthase 2 Rattus norvegicus
3 Over a 72-h period, indomethacin (10 mg kg(-1), s.c.) provoked a time-dependent increase in expression of iNOS (assessed by the conversion of radiolabelled L-arginine to citrulline) and enhancement of vascular leakage of radiolabelled human serum albumin in the jejunum which commenced 18 h after indomethacin. Indomethacin nitric oxide synthase 2 Rattus norvegicus
4 These findings suggest that indomethacin provokes a site-selective expression of iNOS in the rat jejunum which correlates with lesion formation and vascular leakage, whereas both the ileum and colon are spared. Indomethacin nitric oxide synthase 2 Rattus norvegicus