Effects of intestinal lymphatic ligation on intestinal immunity in rats with severe acute pancreatitis

Pingjiao Chen; Changxing Li; Hongchang HuangLiuping LiangJing ZhangQian LiQi WangSanquan ZhangKang ZengXibao ZhangJingyao Liang

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Effects of intestinal lymphatic ligation on intestinal immunity in rats with severe acute pancreatitis

机译：Effects of intestinal lymphatic ligation on intestinal immunity in rats with severe acute pancreatitis

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Severe acute pancreatitis (SAP) is one of the most common diseases of the gastrointestinal tract, characterized by a complicated pathogenesis, multiple organ failure, and high mortality. The primary aim of the present study was to observe the effect of intestinal lymphatic ligation on intestinal injury and modification in rats with SAP. Male Sprague‐Dawley (SD) rats were randomly divided into: (a) Saline group (SO); (b) SAP group; and (c) SAP + ligation group. We evaluated the effect of mesenteric lymphatic duct ligation on the pancreas and intestine tissue by HE. The histopathology of the pancreas in SAP + ligation rats was alleviated slightly compared with SAP rats, but aggravated in the intestine of SAP + ligation rats. Treatment of mesenteric lymphatic duct ligation resulted in an increase in the levels of tumor necrosis factor (TNF)‐α, interleukin (IL)‐1β, and myeloperoxidase compared with the small intestinal tissues of SAP rats. In addition, the expression of nucleotide‐binding oligomerization domain‐like receptors 3, apoptosis‐associated speck‐like protein containing a caspase recruitment domain (CARD) (ASC), and caspase‐1 in the intestine were higher in the SAP + ligation group. The ratio of Th1/Th2 and regulatory T cells (Tregs) in the mesenteric lymph nodes of the SAP group was lower than those in the SAP + ligation group. The present results indicated that ligation of the mesenteric lymph duct can effectively prevent intestinal inflammatory mediators entering the body through the mesenteric lymph duct, but these mediators assembled in the intestine where they induced an excessive immune response and intestinal injury during SAP.

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《febs open bio》 |2021年第4期|1109-1121|共13页
作者
Pingjiao Chen; Changxing Li; Hongchang HuangLiuping LiangJing ZhangQian LiQi WangSanquan ZhangKang ZengXibao ZhangJingyao Liang;
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作者单位

Department of Dermatology, Nanfang Hospital, Southern Medical University;

Forevergen Biosciences;

Institute of Dermatology, Guangzhou Medical UniversityDepartment of Dermatology, Guangzhou Institute of Dermatology;

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正文语种英语
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intestine; ligation; mesenteric lymph duct; sever acute pancreatitis;

Effects of intestinal lymphatic ligation on intestinal immunity in rats with severe acute pancreatitis

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