Effects of enteral and parenteral nutrition on gut epithelial tight junction and immune barrier of rats with abdominal infection
- VernacularTitle:肠外肠内营养对腹腔感染大鼠肠上皮紧密连接和屏障功能的影响
- Author:
Tongyi SHEN
;
Huanlong QIN
;
Danian TONG
;
Zhiguang GAO
;
Minfeng LIU
- Publication Type:Journal Article
- Keywords:
Enteral nutrition;
Transmembrane binding proteins;
IgA;
Gut barrier function
- From:
Chinese Journal of General Surgery
1993;0(03):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the effect of enteral and parenteral nutrition on gut microecology in rats with abdominal infection. Methods Fourteen Sprague-Dawley (SD) model rats of abdominal infection, which had survived for more than 6 days were divided into two groups: PN group ( n =7) and PN+EN group ( n =7) via jejunostomy and jugular vein respectively for another 5 days. The nutrition support in the two groups was isonitrogen and isocaloric. At sacrifice on the sixth day, occludin and IgA level in plasma cells of intestine epithelium of the gut were measured by immunohistochemistry. Vena cava blood and homogenated tissue of liver, lung and mesenteric lymph nodes were cultured to determine bacterial translocations, and portal vein blood was tested for endotoxin. Results The expression of occludin and IgA in the small and large intestine in PN+EN group were stronger than PN group ( P
