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Apoptosis in Drosophila: which role for mitochondria?

Abstract : It is now well established that the mitochon-drion is a central regulator of mammalian cell apoptosis. However, the importance of this organelle in non-mam-malian apoptosis has long been regarded as minor, mainly because of the absence of a crucial role for cytochrome c in caspase activation. Recent results indicate that the control of caspase activation and cell death in Drosophila occurs at the mitochondrial level. Numerous proteins, including RHG proteins and proteins of the Bcl-2 family that are key regulators of Drosophila apoptosis, constitutively or transiently localize in mitochondria. These proteins participate in the cell death process at different levels such as degradation of Diap1, a Drosophila IAP, production of mito-chondrial reactive oxygen species or stimulation of the mitochondrial fission machinery. Here, we review these mitochondrial events that might have their counterpart in human.
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Amandine Clavier, Aurore Rincheval-Arnold, Jessie Colin, Bernard Mignotte, Isabelle Guénal. Apoptosis in Drosophila: which role for mitochondria?. Apoptosis, Springer Verlag, 2016, ⟨10.1007/s10495-015-1209-y⟩. ⟨hal-02975495⟩

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