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Oncol Rep. 2010 Jul;24(1):195-201.

Reduction of miR-21 induces glioma cell apoptosis via activating caspase 9 and 3.

Author information

1
Department of Neurosurgery, Tianjin Medical University General Hospital, Laboratory of Neuro-Oncology, Tianjin Neurological Institute, Tianjin 300052, PR China.

Abstract

Extensive data indicate that miR-21 plays a critical role in gliomagenesis, however, knowledge is limited on the mechanism of action of miR-21, including cell proliferation, apoptosis, and migration. In this study, we showed that down-regulation of miR-21 expression by antisense oligonucleotides inhibited glioma cell proliferation and induced cell apoptosis. Moreover, reduction of miR-21 activated caspase 9 and 3, which may be mediated by modulating multiple potential target genes, such as TIMP3. Together, these findings indicate that miR-21 plays a key role in regulating cell apoptosis in gliomas and may serve as a target for effective therapies.

PMID:
20514462
DOI:
10.3892/or_00000846
[Indexed for MEDLINE]

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