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Title: Expression and role of miR-34a in bladder cancer
Authors: Wang, Wei
Li, Tan
Han, Guang
Li, Ying
Shi, Li-hua
Li, Hui
Keywords: MicroRNA-34a;Bladder cancer;Pathological variables;Proliferation;Apoptosis
Issue Date: Apr-2013
Publisher: NISCAIR-CSIR, India
Abstract: To investigate the biological function of microRNA-34a (miR-34a) in bladder cancer, the expression of miR-34a was determined using quantitative real-time polymerase chain (qRT-PCR) reaction in 42 cases of bladder cancer. The relationship between the expression of miR-34a and development of bladder cancer was also studied. The mature mimics of miR-34a were chemically synthesized and transiently transfected into human bladder cancer T24 cells. The effects of miR-34a on apoptosis, cell cycle and proliferation in T24 cells were evaluated by flow cytometry and MTT, respectively. The results showed that the low expression rate of miR-34a was correlated with the malignancy and tumor size of bladder cancer. The up-regulation of miR-34a in T24 cells contributed to cell growth and cell cycle arrest, but not caspase-3 pathway. These findings suggest that the relative low expression of miRNA-34a might be involved in the tumorigenesis of bladder cancer.
Page(s): 87-92
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Appears in Collections:IJBB Vol.50(2) [April 2013]

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