期刊
BIOMEDICINE & PHARMACOTHERAPY
卷 83, 期 -, 页码 508-513出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2016.07.010
关键词
miR-1303; Neuroblastoma; GSK3 beta; SFRP1; Proliferation
资金
- Science and Technology Plans of Guangdong Province, China [2012B031800297]
Neuroblastoma (NB) is one of the most common solid tumors in children, many microRNAs regulate progression and development of NB. Here, we found miR-1303 was upregulated in NB cells and tissues, miR-1303 overexpression promoted the proliferation of SH-SY5Y NB cell investigated by MTT assay, colony formation assay and anchorage-independent growth ability assay, while miR-1303 knockdown reduced this effect. mechanism analysis suggested glycogen synthase kinase 3 beta (GSK3 beta) and secreted frizzled-related protein 1 (SFRP1) were the target of miR-1303, luciferase assay revealed miR-1303 directly bound to the 3/UTR of GSK3 beta and SFRP1. miR-1303 increased expression of MYC and CyclinD1, and decreased the expression of p21 and p27, and further demonstrated miR-1303 promotes NB proliferation. Moreover, there was a negative correlation between miR-1303 expression and GSK3b and SFRP1 expression in NB tissues, confirming GSK3b and SFRP1 were the targets of miR-1303 in NB tissues. Collectively, our findings suggested miR-1303 promotes NB proliferation by targeting GSK3b and SFRP1, and might be a target for NB therapy. (C) 2016 Published by Elsevier Masson SAS.
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