期刊
CRITICAL REVIEWS IN ONCOLOGY HEMATOLOGY
卷 81, 期 2, 页码 103-122出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.critrevonc.2011.03.010
关键词
microRNA; Chemoresistance; Apoptosis pathways; Drug metabolism; Pharmacogenetics; Cancer stem cells; Clinical outcome
资金
- AIRC
Drug resistance remains a major problem in the treatment of cancer patients for both conventional chemotherapeutic and novel biological agents. Intrinsic or acquired resistance can be caused by a range of mechanisms, including increased drug elimination, decreased drug uptake, drug inactivation and alterations of drug targets. Recent data showed that other than by genetic (mutation, amplification) and epigenetic (DNA hypermethylation, histone post-translational modification) changes, drug resistance mechanisms might also be regulated by microRNAs (miRNAs). In this review we provide an overview on the role of miRNAs in anticancer drug resistance, reporting the main studies on alterations in cell survival and/or apoptosis pathways, as well as in drug targets and determinants of drug metabolism, mediated by deregulation of miRNA expression. The current status of pharmacogenetic studies on miRNA and their possible role in cancer stem cell drug resistance are also discussed. Finally, we integrated the preclinical data with clinical evidences, in lung and pancreatic cancers, showing how the study of miRNAs could help to predict resistance of individual tumours to different anticancer drugs, and guide the oncologists in the selection of rationally based tailor-made treatments. (C) 2011 Elsevier Ireland Ltd. All rights reserved.
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