Abstract:
:Accumulating evidence has suggested that Glypican-5 (GPC5) is a tumor suppressor gene in many types of cancers. However, whether GPC5 is involved in glioma remains unknown. This study was designed to explore the expression, biological function and regulatory mechanism of GPC5 in glioma. Our results demonstrated that GPC5 expression was significantly decreased in multiple glioma cell lines. Gain-of-function experiments showed that the ectopic expression of GPC5 markedly inhibited the proliferation, invasion and Wnt/β-catenin signaling of glioma cell lines. GPC5 was identified as a target gene of microRNA-301b (miR-301b). Further data showed that miR-301b expression was significantly up-regulated in glioma tissues and cell lines. In addition, miR-301b expression was inversely correlated with GPC5 expression in clinical glioma tissues. The overexpression of miR-301b promoted the proliferation, invasion and Wnt/β-catenin signaling of glioma cell lines, whereas the inhibition of miR-301b showed the opposite effect. However, the silencing of GPC5 significantly reversed the antitumor effect of miR-301b inhibition. Overall, our results revealed a tumor suppressive role of GPC5 in glioma and suggested that GPC5 expression was regulated by miR-301b. Our study indicates that the inhibition of miR-301b represses the proliferation and invasion of glioma cells by up-regulating GPC5 expression.
journal_name
Eur J Pharmacoljournal_title
European journal of pharmacologyauthors
Hong X,Zhang Z,Pan L,Ma W,Zhai X,Gu C,Zhang Y,Bi X,Huang W,Pei H,Liu Zdoi
10.1016/j.ejphar.2019.03.057subject
Has Abstractpub_date
2019-07-05 00:00:00pages
39-47eissn
0014-2999issn
1879-0712pii
S0014-2999(19)30218-3journal_volume
854pub_type
杂志文章abstract::Inflammation has been reported to be closely related to exaggeration of cerebral ischemia and neurodegenerative diseases. Microglia, resident immune cells in the central nervous system, can be activated in response to neuronal injury and produce proinflammatory cytokines, resulting in further aggravation of neuronal i...
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pub_type: 杂志文章
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journal_title:European journal of pharmacology
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journal_title:European journal of pharmacology
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pub_type: 杂志文章
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journal_title:European journal of pharmacology
pub_type: 杂志文章
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journal_title:European journal of pharmacology
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journal_title:European journal of pharmacology
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journal_title:European journal of pharmacology
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journal_title:European journal of pharmacology
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journal_title:European journal of pharmacology
pub_type: 杂志文章
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更新日期:2006-08-14 00:00:00