Regulatory effect of heat shock protein 70 in stress-induced rat intestinal epithelial barrier dysfunction

被引：0
|
作者：
Yang, Ping-Chang [1 ,2 ]
Tu, Ya-Hong [1 ,2 ]
Perdue, Mary H. [1 ,2 ]
Oluwole, Christine [1 ,2 ]
Struiksma, Stevie [1 ,2 ]
机构：
[1] McMaster Univ, McMaster Brain Body Inst, St Joseph Healthcare, Hamilton, ON, Canada
[2] McMaster Univ, Dept Pathol & Mol Med, Hamilton, ON, Canada
来源：
NORTH AMERICAN JOURNAL OF MEDICAL SCIENCES | 2009年 / 1卷 / 01期
基金：
加拿大健康研究院;
关键词：
Intestine; Epithelium; Heat shock protein 70; Stress;
D O I：
暂无
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
Background: Psychological stress is one of the factors associated with many human diseases; the mechanisms need to be further understood. Methods: Rats were subjected to chronic water avoid stress. Intestinal epithelial heat shock protein (HSP) 70 was evaluated. The intestinal epithelial permeability was examined with Ussing chamber technique. Results: HSP70 was detected in normal intestinal epithelial cells. Psychological stress decreased HSP70 in the intestinal epithelial cells that correlated with the stress-induced intestinal epithelial hyperpermeability. Pretreatment with HSP70 abrogated stress-induced intestinal barrier dysfunction. Conclusions: Chronic stress inhibits HSP70 activity in rat intestinal epithelial layer that is associated with intestinal epithelial barrier dysfunction, which can be prevented by pretreatment with HSP70 protein. (Yang PC, Tu YH, Perdue MH, Oluwole C, Struiksma S. Regulatory effect of heat shock protein 70 in stress-induced rat intestinal epithelial barrier dysfunction.
引用
收藏
页码：9 / 15
页数：7
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