Title : Nuclear and cytoplasmic p53 suppress cell invasion by inhibiting respiratory complex-I activity via Bcl-2 family proteins.

Pub. Date : 2014 Sep 30

PMID : 25115399






4 Functional Relationships(s)
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1 Here, we show that cytoplasmic p53 suppresses cell invasion by reducing mitochondrial reactive oxygen species (ROS) levels. Reactive Oxygen Species tumor protein p53 Homo sapiens
2 Here, we show that cytoplasmic p53 suppresses cell invasion by reducing mitochondrial reactive oxygen species (ROS) levels. Reactive Oxygen Species tumor protein p53 Homo sapiens
3 Analysis revealed that this function is mediated by Bcl-2 family proteins: Cytoplasmic p53 binds Bcl-w, liberating Bax, which then binds ND5, a subunit of respiratory complex-I, thereby suppressing complex-I activity and thus ROS production. Reactive Oxygen Species tumor protein p53 Homo sapiens
4 This study demonstrates a link between p53 and Bcl-2 proteins as regulators of ROS production and cellular invasiveness, and reveals complex-I, especially ND5, as their functional target. Reactive Oxygen Species tumor protein p53 Homo sapiens