Imatinib mesylate (Gleevec) downregulates telomerase activity and inhibits proliferation in telomerase-expressing cell lines
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چکیده
منابع مشابه
Curcumin inhibits telomerase activity in human cancer cell lines.
Curcumin, one of the major components of tumeric, the dried rhizome of Curcuma longa L, has been shown to have anti-proliferating and anti-carcinogenic properties. In this study, we examined the effects of curcumin on cell growth and telomerase activity in human cancer cell lines Bel7402, HL60 and SGC7901. Curcumin (1-32 microM) showed anti-proliferating effects on these cell lines in a dose-de...
متن کاملHuman telomerase RNA and telomerase activity in immortal cell lines and tumor tissues.
Telomerase activity has been detected in many human immortal cells lines and in tumor tissues, whereas it is generally absent from primary cell strains and from many tumor adjacent tissue samples. With the recently cloned human telomerase RNA (hTR), we used Northern analysis to follow the levels of hTR in primary, precrisis, and immortalized cells. It was surprising that the amount of hTR was h...
متن کاملStudy of telomerase activity, proliferation and differentiation characteristics in umbilical cord blood mesenchymal stem cells
In recent years, considerable advances have been made in the field of regenerative medicine. Unlikeembryonic stem cells, which pose the problems of ethical concerns and cause severe immunological reactions as well as neoplasma formation after transplantation, umbilical cord blood is a primitive source ofmesenchymal stem cells that covers the benefits of both embryonic and adult stem cells. It h...
متن کاملRegulation of telomerase activity in immortal cell lines.
Telomerase is a ribonucleoprotein whose activity has been detected in germ line cells, immortal cells, and most cancer cells. Except in stem cells, which have a low level of telomerase activity, its activity is absent from normal somatic tissues. Understanding the regulation of telomerase activity is critical for the development of potential tools for the diagnosis and treatment of cancer. Usin...
متن کاملCell Proliferation in the Presence of Telomerase
BACKGROUND Telomerase, which is active early in development and later in stem and germline cells, is also active in the majority of human cancers. One of the known functions of telomerase is to extend the ends of linear chromosomes, countering their gradual shortening at each cell division due to the end replication problem and postreplication processing. Telomerase concentration levels vary be...
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ژورنال
عنوان ژورنال: British Journal of Cancer
سال: 2005
ISSN: 0007-0920,1532-1827
DOI: 10.1038/sj.bjc.6602592