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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

[Effect of curcumin on expression of survivin, Bcl-2 and Bax in human multiple myeloma cell line].

Abstract Source:

Zhongguo Shi Yan Xue Ye Xue Za Zhi. 2007 Aug;15(4):762-6. PMID: 17708799

Abstract Author(s):

Bo Liu, Qing-Xian Bai, Xie-Qun Chen, Guang-Xun Gao, Hong-Tao Gu

Article Affiliation:

Department of Hematology, Xijing Hospital, The Fourth Medical University, Xi'an 210032, China.

Abstract:

To explore the mechanisms of suppression growth and induction apoptosis of curcumin on human multiple myeloma cell line RPMI8226, the suppressive effect of curcumin on RPMI8226 was examined by MTT assay; the induction apoptosis and cell cycle arrest of curcumin on RPMI8226 were determined by flow cytometry (FCM); the changes of survivin, Bcl-2, Bax mRNA levels were detected by RT-PCR. The results showed that curcumin obviously suppressed the proliferation of RPMI8226 in both time- and dose-dependent manners, and the IC(50) were 12.15 micromol/L, 4.9 micromol/L for 24 and 48 hours respectively. FCM indicated that the apoptosis ratio rose from 10.6% of untreated cells up to 36.9% of treated cells (p<0.05), and curcumin arrested cell cycle of RPMI8226 at G(2)/M phase. RT-PCR showed that RPMI8226 cells expressed survivin, Bcl-2 strongly and Bax slightly; while RPMI8226 cells were treated with curcumin 10 micromol/L for 24 hours, the expressions of survivin, Bcl-2 mRNA were apparently down-regulated, and the expression of Bax mRNA was markedly up-regulated. It is concluded that curcumin can suppress the proliferation of human multiple myeloma cell line RPMI8226, and induce their apoptosis. The mechanism of antitumous effect of curcumin may be related to down-regulation of survivin, Bcl-2 mRNA and up-regulation of Bax mRNA.

Study Type : In Vitro Study

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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