[Effects of receptor-interacting protein 140 gene knockdown on the proliferation of microglioma cells: experiment with rat microglioma cells].
Zhonghua yi xue za zhi(2008)
Abstract
OBJECTIVE:To investigate the effects of receptor-interacting protein (RIP)140 gene knockdown on the proliferation of microglioma cells.
METHODS:Mouse microglioma cells of the line BV-2 were cultured and transfected with 2 kinds of recombinant RIP140-shRNA plasmids (V2MM-71674 and V2MM-71080) or blank plasmid MSCV-EGFP. Real-time PCR and Western blotting were used to detect the mRNA and protein expression of RIP140; and the cell proliferation was detected by MTT assay.
RESULTS:There were not significant differences in the RIP140 mRNA and protein expression between the BV-2 and BV-2-MGCV-EGFP groups. Compared to those of the BV-2 group, the RIP140 mRNA expression levels of the BV-2-71674 and BV-2-71080 groups were lower by 73% and 75% respectively. The protein expression levels of the BV-2-71674 and BV-2-71080 groups were remarkably lower than those of the BV-2 and BV-MSGV-EGFP groups. MTT assay showed that there were not significant differences in the proliferation rates at different time points between the BV-2 and BV-2-MSCV-EGFP groups, however, the proliferation rates at the time points of 24, 48, 72, and 96 h of the BV-2-71674 and BV-2-71080 groups were significantly lower than those of the BV-2 group (all P<0.01).
CONCLUSION:RIP140 gene knockdown effectively inhibits the proliferation of microglioma cells.
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Key words
cell proliferation,glioma,rip140
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