Adenovirus-mediated gene transfer of a heat shock protein 70 (hsp70i) protects against simulated ischemia

被引:78
作者
Mestril, R [1 ]
Giordano, FJ [1 ]
Conde, AG [1 ]
Dillmann, WH [1 ]
机构
[1] UNIV CALIF SAN DIEGO, DIV CARDIOL, LA JOLLA, CA 92093 USA
关键词
heat shock proteins; stress proteins; ischemia; adenovirus; gene transfer; myocardial protection;
D O I
10.1006/jmcc.1996.0228
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
We have recently shown that the overexpression of a heat shock protein 70 (hsp70) in a rat myogenic cell line confers protection against simulated ischemia. Mie also developed and demonstrated that overexpression of this protein, in the hearts of transgenic mice, protects against ischemia/reperfusion injury. Mie have now inserted the hsp70 gene in an adenoviral vector and show that we are able to transfer and achieve overexpression of this protein in neonatal cardiomyocytes and in the rat myogenic cell line H9c2. We find that cells infected with the adenoviral-hsp70i construct are rendered tolerant to simulated ischemia as compared to cells infected with a control recombinant adenoviral construct. In conclusion, our results demonstrate the feasibility of using adenoviral vectors to overexpress the hsp70 in myogenic cells, specially in cardiomyocytes, and the efficiency of this approach for providing protection against myocardial ischemia. (C) 1996 Academic Press Limited.
引用
收藏
页码:2351 / 2358
页数:8
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