Mitochondrial protein import and the genesis of steroidogenic mitochondria.

Mitochondrial protein import and the genesis of steroidogenic mitochondria.
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线粒体蛋白的进口和类固醇生成线粒体的生成。

DOI:
10.1016/j.mce.2010.12.007
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发表时间:
2011-04-10
影响因子:
4.1
通讯作者:
Papadopoulos, Vassilios
Papadopoulos, Vassilios
中科院分区:
医学2区
文献类型:
--
作者:
Midzak, Andrew;Rone, Malena;Aghazadeh, Yassarnan;Culty, Martine;Papadopoulos, Vassilios

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类固醇激素生物合成调节的主要部位是将胆固醇从线粒体外膜转移到线粒体内膜。类固醇生成细胞的激素刺激通过跨越两个膜的多蛋白复合物(称为转导体)促进线粒体脂质输入。转导体复合物由多种蛋白质组装而成,例如类固醇生成急性调节(STAR)蛋白和易位蛋白(TSPO),并且需要它们靶向线粒体以实现转导体功能。绝大多数线粒体蛋白,包括那些参与胆固醇输入的蛋白,都是在细胞核中编码的。它们随后的线粒体掺入是通过位于线粒体外膜和内膜的一系列蛋白质输入机器进行的。在这里,我们回顾一下目前对转导体的线粒体胆固醇输入机制的了解。这是对线粒体蛋白输入机制和这些机制在类固醇生成线粒体中组装转导体的机制的描述的补充。
The principal site of regulation of steroid hormone biosynthesis is the transfer of cholesterol from the outer to inner mitochondrial membrane. Hormonal stimulation of steroidogenic cells promotes this mitochondrial lipid import through a multi-protein complex, termed the transduceosome, spanning the two membranes. The transduceosome complex is assembled from multiple proteins, such as the steroidogenic acute regulatory (STAR) protein and translocator protein (TSPO), and requires their targeting to the mitochondria for transduceosome function. The vast majority of mitochondrial proteins, including those participating in cholesterol import, are encoded in the nucleus. Their subsequent mitochondrial incorporation is performed through a series of protein import machineries located in the outer and inner mitochondrial membranes. Here we review our current knowledge of the mitochondrial cholesterol import machinery of the transduceosome. This is complemented with descriptions of mitochondrial protein import machineries and mechanisms by which these machineries assemble the transduceosome in steroidogenic mitochondria.
DOI: 10.1016/j.mce.2010.06.013
发表时间: 2010-10-07
影响因子: 4.1
作者:
Batarseh, Amani;Papadopoulos, Vassilios
通讯作者: Papadopoulos, Vassilios
DOI: 10.1074/jbc.m709221200
发表时间: 2008-04-04
期刊: The Journal of biological chemistry
影响因子: --
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DOI: 10.1016/s0092-8674(00)81271-4
发表时间: 1996-06-14
期刊: CELL
影响因子: 64.5
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发表时间: 1997-10-14
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DOI: 10.1016/s0960-0760(99)00056-4
发表时间: 1999-04-01
影响因子: 4.1
作者:
Culty, M;Li, H;Papadopoulos, V
通讯作者: Papadopoulos, V