Person: Luo, Manli
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Luo
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Manli
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Luo, Manli
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Publication Active Pin1 is a key target of all-trans retinoic acid in acute promyelocytic leukemia and breast cancer(2015) Wei, Shuo; Kozono, Shingo; Kats, Lev; Nechama, Morris; Li, Wenzong; Guarnerio, Jlenia; Luo, Manli; You, Mi-Hyeon; Yao, Yandan; Kondo, Asami; Hu, Hai; Bozkurt, Gunes; Moerke, Nathan J.; Cao, Shugeng; Reschke, Markus; Chen, Chun-Hau; Rego, Eduardo M.; LoCoco, Francesco; Cantley, Lewis; Lee, Tae Ho; Wu, Hao; Zhang, Yan; Pandolfi, Pier Paolo; Zhou, Xiao; Lu, Kun PingA common key regulator of oncogenic signaling pathways in multiple tumor types is the unique isomerase Pin1. However, available Pin1 inhibitors lack the required specificity and potency. Using mechanism-based screening, here we find that all-trans retinoic acid (ATRA)--a therapy for acute promyelocytic leukemia (APL) that is considered the first example of targeted therapy in cancer, but its drug target remains elusive--inhibits and degrades active Pin1 selectively in cancer cells by directly binding to the substrate phosphate- and proline-binding pockets in the Pin1 active site. ATRA-induced Pin1 ablation degrades the fusion oncogene PML-RARα and treats APL in cell and animal models and human patients. ATRA-induced Pin1 ablation also inhibits triple negative breast cancer cell growth in human cells and in animal models by acting on many Pin1 substrate oncogenes and tumor suppressors. Thus, ATRA simultaneously blocks multiple Pin1-regulated cancer-driving pathways, an attractive property for treating aggressive and drug-resistant tumors.