Apolipoprotein-J prevention of fetal cardiac myoblast apoptosis induced by ethanol.

Apolipoprotein-J prevention of fetal cardiac myoblast apoptosis induced by ethanol.
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载脂蛋白-J 预防乙醇诱导的胎儿心肌成肌细胞凋亡。

DOI:
10.1016/j.bbrc.2007.03.109
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发表时间:
2007
影响因子:
3.1
通讯作者:
Geng,Yong-Jian
Geng,Yong-Jian
中科院分区:
生物学4区
文献类型:
--
作者:
Li,Yangxin;Sagar,MadiBidya;Wassler,Michael;Shelat,Harnath;Geng,Yong-Jian

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乙醇(EtOH)的过度消费是一个主要的健康问题。本研究旨在检测乙醇对心肌干细胞或成肌细胞的细胞毒性,以及载脂蛋白J(ApoJ)对乙醇损伤的心肌成肌细胞的保护作用。在培养中,EtOH暴露的犬胎儿成肌细胞发生凋亡的浓度和时间依赖性的方式。通过cDNA转染表达ApoJ显著减少EtOH诱导的细胞凋亡。ApoJ表达也部分恢复线粒体膜电位,并阻止细胞色素C从线粒体释放到细胞质中。因此,ApoJ作为细胞保护蛋白,保护心脏干细胞免受EtOH细胞毒性。
Over-consumption of ethanol (EtOH) represents a major health problem. This study was to test the cytotoxicity of EtOH in cardiac stem cells or myoblasts, and the potential protective effect of apolipoprotein-J (ApoJ), a stress-responding, chaperone-like protein in high-density lipoprotein, on EtOH-injured cardiac myoblasts. In culture, EtOH-exposed canine fetal myoblasts underwent apoptosis in a concentration- and time-dependent manner. Expression ApoJ by cDNA transfection markedly reduced EtOH-induced apoptosis in the cells. ApoJ expression also restored partially the mitochondrial membrane potential and prevented the release of cytochrome-c from mitochondria into cytoplasma. Thus, ApoJ serves as a cytoprotective protein that protects cardiac stem cells against EtOH cytotoxicity.
DOI: 10.1073/pnas.96.10.5752
发表时间: 1999-05-11
影响因子: 11.1
作者:
Krajewski, S;Krajewska, M;Reed, JC
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