ArticleInternational journal of clinical and experimental medicine2015
Effect of heat shock pretreatment on apoptosis and metallothionein expression in rat cardiomyocytes.
Article in International journal of clinical and experimental medicine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
To investigate the effect of heat shock pretreatment on apoptosis and mitochondrial metallothionein (MT) expression in rat cardiomyocytes. In vitro cultured H9C2 cells were randomly divided into three groups: control, hydrogen peroxide (H2O2) injury, and H2O2 injury after heat shock pretreatment (n = 6 per group). Cardiomyocyte apoptosis and caspase-3 activity were assayed after treatment. Mitochondrial cytochrome (cyt) c and MT expression was assayed by Western blotting. Compared with the control group, the H2O2 injury group had a growing number of apoptotic cardiomyocytes (P < 0.01) and significantly elevated caspase-3 activity (P < 0.01) with markedly increased mitochondrial cyt c and MT expression (P < 0.01). After heat shock pretreatment, the numbers of apoptotic and necrotic cardiomyocytes (P < 0.01) and the caspase-3 activity significantly declined (P < 0.01), while mitochondrial cyt c and MT expression continued to increase (P < 0.01) compared with the H2O2 injury group. Heat shock pretreatment inhibits cardiomyocyte apoptosis, which may have a protective effect on cardiomyocytes by increasing the expression of myocardial protective MT and reducing the release of mitochondrial cyt c.
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26221315PMC4509260W987357004What OpenQuestion holds
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