中国结合医学杂志（英文版）Chinese Journal of Integrative Medicine

Author Name	Affiliation	E-mail
HUANG Wen-ya, ZOU Xin, LU Fu-er, ZHANG Chu
DONG Hui	Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan (430030), China	tjhdonghui@163.com

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Abstract:

Objective: To explore the effect and mechanism of Jiaotai Pill (交泰丸, JTW) on intestinal mucosal damage in rats with chronic partial sleep deprivation (PSD). Methods: Obesity resistant (OR) rats were selected, and underwent 4 h PSD by being exposed to environmental noise for 4 weeks. During the whole PSD period, JTW and estazolam were orally given to the rats respectively in the treating groups. Plasma concentration of lipopolysaccharide (LPS) which is the marker of gut-origin endotoxemia was examined. Intestinal morphology changes were observed by optical microscopy. The protein expression of occludin (Ocln) in the intestine was measured by immunofluorescence technique and Western blot. The expressions of circadian proteins cryptochromes (Cry1 and Cry2) in the intestine were also determined. Results: The treatment of JTW significantly decreased LPS level in OR rats with PSD (P<0.05). JTW also attenuated insomnia-induced intestinal injury like shorter, sparse and incomplete villus, wide gap between the villus, mucosal swelling and congesting (P<0.05). These changes were associated with the effect of JTW on up-regulating the expressions of Cry1 protein, Cry2 protein and Ocln protein in the intestine. Conclusions: JTW has the beneficial effect on improving intestinal mucosal damage caused by PSD. The mechanism appears to be related to the modulation of the expressions of circadian proteins and Ocln protein in the intestine, thereby attenuating inflammation and improving insulin resistance in insomnia rats.