CSDE1 attenuates microRNA-mediated silencing of PMEPA1 in melanoma.

作者: Benjamin Goyer , Fátima Gebauer , Francois Houle , Martin J Simard , Tanit Guitart

DOI: 10.1038/S41388-021-01767-9

关键词: microRNATranslation (biology)MelanomaBiologyCell biologyCold-shock domainGene silencingUntranslated regionMetastasis

摘要: MicroRNAs and RNA-binding proteins (RBPs) primarily target the 3' UTR of mRNAs to control their translation stability. However, co-regulatory effects on specific in physiology disease are yet be fully explored. CSDE1 is an RBP that promotes metastasis melanoma mechanisms underlying its oncogenic activities need completely defined. Here we report interacts with miRNA-induced silencing complexes (miRISC) melanoma. We find association AGO2, essential component miRISC, which facilitated by depends first cold shock domain CSDE1. Both AGO2 bind PMEPA1. counters binding, leading increase PMEPA1 expression. also identify a miRNA, miR-129-5p, represses expression Collectively, our results show tumorigenic traits along miR-129-5p/AGO2 miRISC act antagonistically fine-tune toward progression

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