Article ID Journal Published Year Pages File Type
4302027 Journal of Surgical Research 2011 7 Pages PDF
Abstract

BackgroundSubarachnoid hemorrhage (SAH) can induce a persistent inflammatory response, histopathologic changes in the gut. This study investigated whether progesterone administration modulates intestinal proinflammatory cytokine expression and structure alternations following SAH in male rats.Materials and MethodsA total of 48 male rats were randomly divided into four groups: control group (n = 12), SAH group (n = 12), SAH+vehicle group (n = 12) and SAH+progesterone group (n = 12). We measured intestinal wet/dry weight ratio; the concentrations of IL-1β, TNF-α, and IL-6 by enzyme-linked immunosorbent assay; intestinal mucosal morphologic changes by histopathologic study and electron microscopy.ResultsAdministration of progesterone following SAH could increase the appetite scores of SAH rats and decrease concentrations of proinflammatory cytokines and wet/dry weight ratio in the gut. SAH-induced damage of gut structure was ameliorated after progesterone supplementation.ConclusionsThe results of the present study suggest that the therapeutic benefit of post-SAH progesterone supplementation might be due to its inhibitory effects on intestinal proinflammatory cytokine expression and gut structure amelioration.

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