Journal
GENE
Volume 567, Issue 2, Pages 217-224Publisher
ELSEVIER
DOI: 10.1016/j.gene.2015.05.003
Keywords
miR-24-2; Cell death; Apoptosis; Docetaxel; MicroRNA
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MicroRNAs the small (18-22 in length) noncoding RNA molecules are negative regulators of gene expression, modulating biological processes of cell differentiation, survival and death. The latter two phenomena are critical in tumour biology. We provide here the results of human genome wide target prediction of one such microRNA, hsa-miR-24-2, shown to target genes essential for initiating cellular stability and cell survival. The protein-protein interaction study showed important nodes which could affect cell cycle progression and differential oncogenesis. An analysis of hsa-miR-24-2 in sporadic breast tumours showed a negative correlation with metastasis and increasing nodes. The conclusion drawn of hsa-miR-24-2 targeting the genes of cell survival correlated with the methylation profile and resultant transcription factor binding site gain or loss in support of absence of cell survival. In order to accentuate the potential of hsa-miR-24-2 to reduce cellular viability under experimental conditions, in vitro studies in the presence and absence of anti-cancer drugs, such as docetaxel resulted in a significant decrease in cellular viability even at a 200-fold reduced dose of the drug in combination with hsa-miR-24-2. (C) 2015 Elsevier B.V. All rights reserved.
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