期刊
PROSTAGLANDINS & OTHER LIPID MEDIATORS
卷 121, 期 -, 页码 63-69出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.prostaglandins.2015.04.001
关键词
Ulcerative colitis; Inflammatory resolution; Misoprostol; 5-Aminosalicylic acid; Lipoxin A(4); Dextran sodium sulfate induced-colitis
资金
- Ankara University Scientific Research Fund [12B3330008]
Ulcerative colitis is a chronic inflammatory disease of the colon. This study evaluates the role of colonic mucosal lipoxin A(4) (LXA(4)) synthesis in an experimental rat model of dextran sodium sulfate (DSS)-induced colitis. Wistar rats were randomly assigned to four groups: healthy controls, DSS-induced colitis with no or vehicle therapy, misoprostol or 5-aminosalicylic acid (5-ASA) therapy groups. Disease severity and colonic mucosal LXA(4) synthesis was assessed specifically during the acute phase (day 5), chronic phase (day 15) and healing phases (day 19). Both misoprostol and 5-ASA reduced histopathologic score during the acute phase and reduced disease activity score at the healing phase. In addition, misoprostol reduced histopathologic score and colon weight/length ratio during the healing phase. Only misoprostol therapy increased colonic mucosal LXA(4) synthesis. Furthermore, LXA(4) levels correlated negatively with disease progression (R=-0.953). Collectively, our findings suggest that misoprostol-induced LXA(4) synthesis may be favorable for the healing of ulcerative colitis. (c) 2015 Elsevier Inc. All rights reserved.
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