Journal
AUTOPHAGY
Volume 12, Issue 7, Pages 1206-1207Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15548627.2016.1170265
Keywords
ATG7; autophagy; cancer; chloroquine; KRAS
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Inhibition of autophagy has been widely explored as a potential therapeutic intervention for cancer. Different factors such as tumor origin, tumor stage and genetic background can define a tumor's response to autophagy modulation. Notably, tumors with oncogenic mutations in KRAS were reported to depend on macroautophagy in order to cope with oncogene-induced metabolic stress. Our recent report details the unexpected finding that autophagy is dispensable for KRAS-driven tumor growth in vitro and in vivo. Additionally, we clarify that the antitumorigenic effects of chloroquine, a frequently used nonspecific inhibitor of autophagy, are not connected to the inhibition of macroautophagy. Our data suggest that caution should be exercised when using chloroquine and its analogs to decipher the roles of autophagy in cancer.
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