DNA damage response regulation by microRNAs as a therapeutic target in cancer

Majidinia, M and Yousefi, B (2016) DNA damage response regulation by microRNAs as a therapeutic target in cancer. DNA Repair. pp. 1-11.

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Abstract

The inability of cancer cells in taking care of DNA damages can lead to cancer development and/or progression. Due to the essential role of DNA repair in maintaining genomic stability, tightly controlled regulatory mechanism are required for these processes. Recent studies have shown a myriad of interactions among DNA damage response (DDR) components and miRNAs. While DDR modulates miRNA expression in transcriptional and post-transcriptional levels and affects miRNA degradation, miRNAs in turn, directly modulate the expression of multiple proteins in the DDR pathways, or indirectly fine-tune the expression of such proteins. A better understanding of DDR-miRNA interactions can facilitate the development of new anticancer agents targeting miRNAs involved in the DNA repair process. In this review, we provide a brief introduction about miRNA biogenesis and functions, DDR pathways, and recent findings about DDR-microRNA interactions. Finally, the therapeutic importance of miRNAs in modulation of DDR/DNA repair mechanisms will be discussed.

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