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. 2004 Dec 3;16(5):819-30.
doi: 10.1016/j.molcel.2004.11.014.

"V体育安卓版" Hexokinase-mitochondria interaction mediated by Akt is required to inhibit apoptosis in the presence or absence of Bax and Bak

Nathan Majewski  1 , Veronique Nogueira, Prashanth Bhaskar, Platina E Coy, Jennifer E Skeen, Kathrin Gottlob, Navdeep S Chandel, Craig B Thompson, R Brooks Robey, Nissim Hay
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"VSports手机版" Hexokinase-mitochondria interaction mediated by Akt is required to inhibit apoptosis in the presence or absence of Bax and Bak

Nathan Majewski et al. Mol Cell. .
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Abstract

The serine/threonine kinase Akt inhibits mitochondrial cytochrome c release and apoptosis induced by a variety of proapoptotic stimuli. The antiapoptotic activity of Akt is coupled, at least in part, to its effects on cellular metabolism. Here, we provide genetic evidence that Akt is required to maintain hexokinase association with mitochondria. Targeted disruption of this association impairs the ability of growth factors and Akt to inhibit cytochrome c release and apoptosis. Targeted disruption of mitochondria-hexokinase (HK) interaction or exposure to proapoptotic stimuli that promote rapid dissociation of hexokinase from mitochondria potently induce cytochrome c release and apoptosis, even in the absence of Bax and Bak. These effects are inhibited by activated Akt, but not by Bcl-2, implying that changes in outer mitochondrial membrane (OMM) permeability leading to apoptosis can occur in the absence of Bax and Bak and that Akt inhibits these changes through maintenance of hexokinase association with mitochondria. VSports手机版.

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