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:: Volume 14, Issue 3 (Summer 2017) ::
Sci J Iran Blood Transfus Organ 2017, 14(3): 204-216 Back to browse issues page
Investigation of telomerase inhibition effect on apoptosis of myeloma cell line U266
Z. Ameri , S. Ghiasi , A.R. Farsinejad Dr., M. Ehsan , S. Aghajani , N. Pur Yazdan Panah , Sh. Kazemzadeh , A. Fatemi Dr. *
Abstract:   (1030 Views)

Background and Objectives
Telomerase-targeted therapy for cancer has received great attention because telomerase is expressed in almost all cancer cells but is inactive in most normal somatic cells. This study aimed to investigate the effects of telomerase inhibitor MST-312, a chemically modified derivative of epigallocatechin gallate (EGCG), on apoptosis of myeloma cell line U266.
Materials and Methods
In an Experimental study, U266 cells were treated with different concentrations of MST-312 at different times; then, cell viability by trypan blue exclusion assay, cell metabolic activity by MTT assay, and cell apoptosis by Annexin V Apoptosis Detection Kit were measured. To further investigate apoptosis, BAX and BCL2 gene expression of the treated cells was investigated by the quantitative Real-Time PCR.
MST-312 exerted a dose-dependent short-term cytotoxic effect on myeloma cells. Over 50% decrease in the viability of treated cells was seen in 8 μM concentration of MST-312 within 48 h. The cytotoxic effect of MST-312 was concentration-dependent, with approximately 25, 46, and 62% reduction in metabolic activity after 48 h exposure to 2, 4, and 8 μM of MST-312, respectively. Gene expression analysis showed downregulation of antiapoptotic gene Bcl-2 and upregulation of apoptopic gene BAX.
Inhibition of telomerase activity by MST-312 represents a novel treatment strategy for Multiple Myeloma cancer.


Keywords: Key words: Apoptosis, Multiple Myeloma, Telomerase
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Type of Study: Research | Subject: Hematology and Oncology
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Ameri Z, Ghiasi S, Farsinejad A, Ehsan M, Aghajani S, Pur Yazdan Panah N, et al . Investigation of telomerase inhibition effect on apoptosis of myeloma cell line U266. Sci J Iran Blood Transfus Organ. 2017; 14 (3) :204-216
URL: http://bloodjournal.ir/article-1-1121-en.html

Volume 14, Issue 3 (Summer 2017) Back to browse issues page
فصلنامه پژوهشی خون Scientific Journal of Iran Blood Transfus Organ
The Scientific Journal of Iranian Blood Transfusion Organization - Copyright 2006 by IBTO
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