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  • Title: [The significance of the expression of the HSP70 and HSP90 in the intestinal mucosa in scalded rats during early postburn stage].
    Author: Diao L, Li C, Sheng Z.
    Journal: Zhonghua Shao Shang Za Zhi; 2000 Oct; 16(5):279-82. PubMed ID: 11876885.
    Abstract:
    OBJECTIVE: To investigate the changes in the expression, the tissue contents and the distribution of heat shock protein (HSP) 70 and HSP90 in the intestinal mucosa in scalded rats during early postburn stage and to elucidate the effects of heat shock response of intestinal mucosal cell on burn victim's systemic pathophysiology. METHODS: The scalded rats were taken as the model. ELISA, immunoblotting analysis and immunohistochemical methods were employed to analyze and study the expression, the tissue contents and the distribution and their functional status of HSP70 and HSP90 in the intestinal mucosa. RESULTS: (1) The free HSP70 content in the intestinal mucosa exhibited significantly transient decrease in the early postburn stage. (2) The total contents of HSP70 and HSP90 in the intestinal mucosa increased obviously postburn. (3) There exhibited remarkable heterogeneity of the molecular structure of HSP70 in the intestinal mucosa in the early postburn stage. CONCLUSION: The expression and the changes in the contents and the tissue distribution of the two HSPs in the intestinal mucosal cell might play important roles in the cellular stress reaction of the intestinal mucosa and even in the intestinal barrier functional mechanism.
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