Home General Physiology and Biophysics 2019 General Physiology and Biophysics Vol.38, No.6, p.485–495, 2019

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Founded: 1982
ISSN 1338-4325 (online)
ISSN 0231-5882 (print)
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General Physiology and Biophysics Vol.38, No.6, p.485–495, 2019

Title: circCDYL/microRNA-150-5p participates in modulating growth and migration of colon cancer cells
Author: Wei Cui, Jinhua Dai, Jianbo Ma, Hao Gu
Abstract: Circular RNA-microRNA (circRNA-miR) node has recently been found to modulate cancer process. Here, we investigated whether circCDYL and miR-150-5p exerted biological function in colon cancer cells. Colon cancer tissues were collected and subjected to qRT-PCR assay for circCDYL and miR-150-5p. SW480 and SW620 cells were forced to overexpress circCDYL and miR-150-5p before subjected to viability, colony formation, apoptosis, migration, invasion and protein (associated with proliferation, apoptosis and signaling pathways) assays. To confirm the combined function, the cells were transfected to simultaneously overexpress circCDYL and miR-150-5p. We found circCDYL was generally decreased while miR-150-5p was increased in colon cancer tissues in parallel with the para-carcinoma tissues. In circCDYL-transfected SW480 and SW620 cells, circCDYL decreased viability and promoted apoptosis with down-regulation of c-Myc and cyclin D1, up-regulation of p53, and cleavage of caspase-3 and PARP. Besides, migration and invasion behaviors were impeded. By contrast, miR-150-5p showed a carcinogenesis. However, suppressive role of circCDYL in cellular growth and migration was restrained in the cells simultaneously transfected with circCDYL and miR-150-5p, which was companied by down-regulation of PTEN and phosphorylation of PI3K, AKT, JAK2 and STAT5. circCDYL overexpression repressed cellular growth and migration via repressing miR-150-5p in colon cancer cells.
Keywords: circCDYL, microRNA-150-5p, Colon cancer, PI3K/AKT/JAK/STAT
Published online: 27-Nov-2019
Year: 2019, Volume: 38, Issue: 6 Page From: 485, Page To: 495
doi:10.4149/gpb­_2019037


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