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1.
China Pharmacy ; (12)2005.
Article in Chinese | WPRIM | ID: wpr-530918

ABSTRACT

OBJECTIVE:To investigate the effect of edelfosine on the proliferation of Hela cells and its mechanism.METHODS:Hela cells were treated with edelfosine at doses of 0(control),0.5,1.0,5.0,10.0 ?mol?L-1 for 96 h.MTT assay,flow cytometry,and staining were performed to determine the cell proliferation activity,cell cycle,and apoptotic rate.RESULTS:As compared with control,the cell proliferation activity of Hela cells was inhibited in a dose-and time-dependent manner after being treated by edelfosine for 24~96 h.After being treated by edelfosine(1.0,5.0,10.0 ?mol?L-1) for 72 h,the number of Hela cells significantly increased in G0/G1 phase but decreased in S phase(P

2.
Chinese Pharmacological Bulletin ; (12)1987.
Article in Chinese | WPRIM | ID: wpr-561148

ABSTRACT

Aim To Study the inhibition mechanism of edelfosine on cytokinesis in Schizosaccharomyces pombe. Methods To observe the inhibition of cytokinesis and growth, the experiments of inhibition of cyto-kinesis and parallel growth were carried out. To explore the inhibition mechanism of edelfosine, the experiment of retransfection of yeast genes was carried out. Results Edelfosine inhibited the cytokinesis of S.pombe in low dosage and cell growth in high dosage. The mid2△、spm1△ and pmp1△ strains were resistant to edelfosine in high dosage. However, these strains retrieved the sensitive to edelfosine in high dosage by retransfected the relevant genes, respectively. A reciprocal action, which was the Mid2p induced the phosphorylated Spm1, while the Pmp1 dephosphorylated Spm1, existed among the Spm1、Mid2 and Pmp1 in S.pombe treated with edelfosine. Conclusion The inhibition of edelfosine on cytokinesis and cell growth due to the effect of Spm1、Mid2 and Pmp1.

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