Expression of miR‑490‑5p, miR‑148a‑3p and miR‑608 in bladder cancer and their effects on the biological characteristics of bladder cancer cells

Xiang,Min; Yuan,Wuxiong; Zhang,Weiwei; Huang,Jie

doi:10.3892/ol.2019.10143

Expression of miR‑490‑5p, miR‑148a‑3p and miR‑608 in bladder cancer and their effects on the biological characteristics of bladder cancer cells

Authors:
- Min Xiang
- Wuxiong Yuan
- Weiwei Zhang
- Jie Huang
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Affiliations: Department of Urinary Surgery, Hunan Provincial People's Hospital, Changsha, Hunan 410005, P.R. China, Department of Chinese Medicine, Hunan Provincial People's Hospital, Changsha, Hunan 410005, P.R. China, Department of Emergency, Hunan Provincial People's Hospital, Changsha, Hunan 410005, P.R. China
Published online on: March 12, 2019 https://doi.org/10.3892/ol.2019.10143
Pages: 4437-4442
Copyright: © Xiang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Changes in the expression of miR‑490‑5p, miR‑148a‑3p and miR‑608 in bladder cancer tissues were studied. A total of 30 patients with bladder cancer who had surgical resection in the Hunan Provincial People's Hospital (Changsha, China) from April 2015 to August 2016 were selected. RT‑qPCR was used to detect the expression levels of miR‑490‑5p, miR‑148a‑3p and miR‑608. The expression vectors of miR‑490‑5p, miR‑148a‑3p and miR‑608 were respectively transfected and divided into three groups: blank cell group, gene transfection group (groups A‑C) and negative transfection group (NC group). CCK8 was used to detect cell proliferation and flow cytometry was used to detect the condition of apoptosis of each group, and the Transwell chamber was used to detect the invasion ability of the cells. After the transfection, the expression level of miR‑490‑5p in group A was significantly higher than that in the NC and blank groups, and the expression level of miR‑148a‑3p in group B was significantly higher than that in the NC and blank groups. The expression level of miR‑608 in group C was significantly higher than that in the NC and blank groups (P<0.001). The survival rates of the cells in groups A‑C were significantly lower than those in the NC and blank groups at 48 and 72 h (P<0.001). After the transfection, the number of invasive cells and the apoptosis rates in groups A‑C were significantly higher than those in the NC and blank groups (P<0.05). miR‑490‑5p, miR‑148a‑3p and miR‑608 promoted proliferation of bladder cancer T24 cells and inhibited apoptosis of the cells and showed potential to become a new target for the future treatment of bladder cancer.

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