Heat shock cognate protein 70 gene is required for prevention of apoptosis induced by WSSV infection

Heat shock cognate protein 70 gene is required for prevention of apoptosis induced by WSSV infection
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热休克同源蛋白 70 基因是预防 WSSV 感染诱导的细胞凋亡所必需的

DOI:
10.1007/s00705-010-0686-0
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发表时间:
2010-05
期刊:
Arch Virol
影响因子:
--
通讯作者:
徐华(通讯作者)
徐华(通讯作者)
中科院分区:
其他
文献类型:
--
作者:
徐华(通讯作者)

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在这里,我们表明,热休克同源蛋白70(Hsc 70)在虾细胞可以抑制凋亡诱导的白色斑点综合征病毒(WSSV)感染。Caspase-3蛋白酶活性的血细胞显着增加,与内源性Hsc 70的减少在WSSV感染后期。Hsc 70双链RNA引起未感染对虾和WSSV感染对虾的血细胞中caspase-3活性的显著增加。我们建议,上调Hsc 70表达的早期WSSV感染也可以用来防止过早的凋亡细胞死亡,和急剧下调Hsc 70晚期WSSV感染可能导致定时诱导细胞凋亡。
Here, we show that heat shock cognate protein 70 (Hsc70) in shrimp cells can inhibit apoptosis induced by white spot syndrome virus (WSSV) infection. Caspase-3 protease activity of hemocytes increased significantly, correlating with a reduction in endogenous Hsc70 late in WSSV infection. Hsc70 dsRNA caused a significant increase in caspase-3 activity in the hemocytes of non-infected shrimp and WSSV-infected shrimp. We propose that upregulation of Hsc70 expression early in WSSV infection may also be used to prevent premature apoptotic cell death, and the precipitous downregulation of Hsc70 late in WSSV infection may lead to the timed induction of apoptosis.
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