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KMID : 0624620180510110563
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BMB Reports
2018 Volume.51 No. 11 p.563 ~ p.571
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Downregulated microRNAs in the colorectal cancer: diagnostic and therapeutic perspectives
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Hernandez Rosa
Sanchez-Jimenez Ester
Melguizo Consolacion
Prados Jose
Rama Ana Rosa
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Abstract
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Colorectal cancer (CRC), the third most common cancer in the world, has no specific biomarkers that facilitate its diagnosis and subsequent treatment. The miRNAs, small single-stranded RNAs that repress the mRNA translation and trigger the mRNA degradation, show aberrant levels in the CRC, by which these molecules have been related with the initiation, progression, and drug-resistance of this cancer type. Numerous studies show the microRNAs influence the cellular mechanisms related to the cell cycle, differentiation, apoptosis, and migration of the cancer cells through the post-transcriptionally regulated gene expression. Specific patterns of the upregulated and down-regulated miRNA have been associated with the CRC diagnosis, prognosis, and therapeutic response. Concretely, the downregulated miRNAs represent attractive candidates, not only for the CRC diagnosis, but for the targeted therapies via the tumor-suppressing microRNA replacement. This review shows a general overview of the potential uses of the miRNAs in the CRC diagnosis, prognosis, and treatment with a special focus on the downregulated ones.
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KEYWORD
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Biomarkers, Colorectal cancer, Diagnosis, miRNA, Therapeutic target
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