TRIM59 deficiency curtails breast cancer metastasis through SQSTM1-selective autophagic degradation of PDCD10.

07:00 EST 17th January 2019 | BioPortfolio

Summary of "TRIM59 deficiency curtails breast cancer metastasis through SQSTM1-selective autophagic degradation of PDCD10."

Receptor-driven selective macroautophagy/autophagy delivers ubiquitinated targets for autophagosomal clearance to maintain metabolic homeostasis and orchestrate reparative inflammatory responses. Deregulated autophagy is linked to tumor progression, but the exact mechanisms of selective autophagy in the spatiotemporal control of cell polarity signaling components during cancer metastasis remain ill-defined. Our recent study has demonstrated that TRIM59, an E3 ligase upregulated in metastatic breast cancer, is required for cancer cell survival and metastasis. Genetic depletion of TRIM59 suppresses cancer metastasis by promoting RNFT1-induced K63 polyubiquitination and SQSTM1-directed autophagic degradation of PDCD10, thereby boosting ROCK (Rho associated coiled-coil containing protein kinase)-induced actomyosin contractility and enhancing CDH1-mediated adhesion formation.


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This article was published in the following journal.

Name: Autophagy
ISSN: 1554-8635


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