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ORIGINAL ARTICLE
Year : 2019  |  Volume : 8  |  Issue : 1  |  Page : 18-23

The effect of ibuprofen on expression of Cox-1/2-related miRNAs in MKN- 45 -derived cancer stem-like cells


Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran

Correspondence Address:
Hassan Akrami
Department of Biology, Faculty of Science, Razi University, Kermanshah
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jrptps.jrptps_9_18

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Context: Ibuprofen is an anti-inflammatory drug that non-selectively blocks cyclooxygenases-1/2 (COX-1/2) enzymes and thus reduces the risk tumorigenesis. This study was designed to detect microRNAs (miRNAs) that target Cox-1/2 mRNA and to investigate the effect of ibuprofen on the expression of the miRNAs in MKN-45-derived gastric cancer stem-like cells (CSLCs). We were also aimed to find signaling pathways modulated by the miRNAs. Subjects and Methods: The miRWalk database was used to recognize miRNAs that targeted Cox-1/2 genes. CSLCs were derived from MKN-45 cell line and were then treated with ibuprofen. Consequently, the effect of ibuprofen was evaluated on the expression of the miRNAs by quantitative real-time polymerase chain reaction (qRT-PCR). Finally, DIANA tools were used to identify signaling pathways that modulated by the miRNAs. Results: Our bioinformatic investigation showed that hsa-mir-16-5p, hsa-mir-483-5p, and hsa-mir-4669 targeted both Cox-1 and Cox-2 mRNAs. The qRT-PCR results indicated that hsa-mir-16-5p and hsa-mir-4669 were overexpressed 2.34 and 9.47 folds, respectively, while hsa-mir-483-5p under-expressed (2.08 folds) in ibuprofen-treated CSLCs relative to untreated cells. Moreover, it found that these miRNAs are involved in PI3K-Akt, P53, transforming growth factor-beta, phosphatidylinositol and insulin signaling pathways, cell cycle, extracellular matrix receptor interaction, gap junction, small cell lung cancer, prostate cancer, and chronic myeloid leukemia. Conclusions: We suggest that ibuprofen may reduce the risk of gastric cancer by affecting the expression of miRNAs that target Cox-1/2. however, further research is necessary to unravel its exact effects.


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