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Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Cell+Rep 2016 ; 16 (9): 2415-27 Nephropedia Template TP
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PML at Mitochondria-Associated Membranes Is Critical for the Repression of Autophagy and Cancer Development #MMPMID27545895
Missiroli S; Bonora M; Patergnani S; Poletti F; Perrone M; Gafà R; Magri E; Raimondi A; Lanza G; Tacchetti C; Kroemer G; Pandolfi P; Pinton P; Giorgi C
Cell Rep 2016[Aug]; 16 (9): 2415-27 PMID27545895show ga
The precise molecular mechanisms that coordinate apoptosis and autophagy in cancer remain to be determined. Here, we provide evidence that the tumor suppressor promyelocytic leukemia protein (PML) controls autophagosome formation at mitochondria-associated membranes (MAMs) and, thus, autophagy induction. Our in vitro and in vivo results demonstrate how PML functions as a repressor of autophagy. PML loss promotes tumor development, providing a growth advantage to tumor cells that use autophagy as a cell survival strategy during stress conditions. These findings demonstrate that autophagy inhibition could be paired with a chemotherapeutic agent to develop anticancer strategies for tumors that present PML downregulation.