Dimeric quinacrines as chemical tools to identify PPT1, a new regulator of autophagy in cancer cells

Abstract excerpt

DQ661 is a novel dimeric quinacrine that affects multiple lysosomal functions (autophagy and macropinocytosis) and mTORC1 (mechanistic target of rapamycin) activity by specifically targeting protein-palmitoyl thioesterase 1 (PPT1). DQ661 has in vivo activity in immunocompetent mouse models of cancer, and constitutes a new tool compound for the study of lysosomal function in cancer and therapeutic resistance.

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