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PACAP Inhibits Oxidative Stress-Induced Activation of MAP Kinase-Dependent Apoptotic Pathway in Cultured Cardiomyocytes

机译:PACAP抑制氧化应激诱导的MAP激酶依赖性凋亡途径在培养的心肌细胞中的激活

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The present article investigated the effect of pituitary adeny-late cyclase-activating polypeptide (PACAP) on oxidative stress-induced apoptosis in neonatal rat cardiomyocytes. Our results show that PACAP decreased the ratio of apoptotic cells following H_2O_2 treatment. PACAP also diminished the activity of apoptosis signal-regulating kinase. These effects of PACAP were counteracted by the PACAP antagonist PACAP6- 38. In summary, our results show that PACAP is able to attenuate oxidative stress-induced cardiomyocyte apoptosis and suggest that its cardioprotective effect is mediated through inhibition of the MAP kinase-dependent apoptotic pathway.
机译:本文研究了垂体腺苷晚环酶活化多肽(PACAP)对新生大鼠心肌细胞氧化应激诱导的凋亡的影响。我们的结果表明,PACAP在H_2O_2治疗后的凋亡细胞的比例下降。 PACAP还减少了凋亡信号调节激酶的活性。 PACAP拮抗剂PACAP6-38的这些效果抵消了PACAP。总之,我们的结果表明,PACAP能够衰减氧化应激诱导的心肌细胞凋亡,并表明其心脏保护作用是通过抑制地图激酶依赖性凋亡途径介导的。

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