OncomicroRNAs-mediated tumorigenesis: implication in cancer diagnosis and targeted therapy.

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OncomicroRNAs-mediated tumorigenesis: implication in cancer diagnosis and targeted therapy.

Curr Cancer Drug Targets. 2016 Feb 16;

Authors: Zheng N, Yang P, Wang Z, Zhou Q

Abstract
MicroRNAs (miRNAs) control the expression of approximately 60% of protein-coding genes and regulate cell metabolism, proliferation, differentiation, and apoptosis. Notably, aberrant expression of miRNAs contributes to several diseases including cancer. Accumulating evidence indicates that miRNAs play important roles in EMT, genesis of cancer stem cells, cancer metabolism and carcinogenesis. Aberrant expression of miRNAs triggers tumor initiation，progression and poor prognosis of cancer patients. Accordingly, oncogenic miRNAs have emerged as diagnostic biomarkers and targets for novel anti-cancer drug discovery. However, the mechanisms of miRNAs contriving tumorigenesis are not completely understood. This review aims to clarify the identification of tumor-specific miRNAs, verification of oncogenic miRNA signatures, and dynamic study of oncogenic miRNAs in cancer initiation and development. Despite sound progress in miRNA-mediated anti-cancer therapy, several barriers like drug stability, immunogenicity, off-target effects and toxicities still remain. We hope our review could stimulate the further study of miRNAs in cancer research field, which may lead to new insights into the mechanisms of carcinogenesis and create new avenues for targeted cancer therapy.

PMID: 26881930 [PubMed - as supplied by publisher]

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