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Abstract Title:

[Effects of beta-elemene on proliferation and apoptosis of human multiple myeloma cell RPMI-8226].

Abstract Source:

Zhongguo Shi Yan Xue Ye Xue Za Zhi. 2010 Apr ;18(2):368-71. PMID: 20416170

Abstract Author(s):

Hao Chen, Liang Shi, Zhi-Yong Cheng, Li Yao, Ying-Ying Yang, Ling Pan

Article Affiliation:

Hao Chen

Abstract:

This study was aimed to investigate the effect of beta-elemene on proliferation and apoptosis of human multiple myeloma cell line RPMI-8226 and its mechanism. The effect of beta-elemene on the growth of human multiple myeloma cell line RPMI-8226 was detected by MTT. The effect of beta-elemene on the apoptosis of RPMI-8226 cells was determined by flow cytometry with Annexin-V/PI staining. The effects of beta-elemene on the expression of BCL-2, caspase-3, DR-4 and NF-kappaB P65 proteins were analyzed by Western blot. The results showed that the beta-elemene obviously inhibited the proliferation of RPMI-8226 cells in both time- and dose-dependent manners. Treatment with 10 - 80 micromol/L beta-elemene for 48 hours induced apoptosis of RPMI-8226 cells in a dose-dependent manner. The expression of caspase-3 and DR-4 proteins in RPMI-8226 cells treated with beta-elemene increased in a time-dependent manner, while expressions of BCL-2 and NF-kappaB P65 proteins decreased. It is concluded that the beta-elemene can inhibit the proliferation of RPMI-8226 cells by inducing the cell apoptosis. Activating the mitochondrial and death receptor pathways of apoptosis and inhibiting the anti-apoptosis pathway may involve in the beta-elemene-induced apoptosis.

Study Type : In Vitro Study

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