Telomerase in cancer and aging
The telomere–telomerase hypothesis is the science of cellular aging (senescence) and cancer. The ends of chromosomes, telomeres, count the number of divisions a cell can undergo before entering permanent growth arrest. As divisions are being counted, events occur on the cellular and molecular level,...
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Veröffentlicht in: | Critical reviews in oncology/hematology 2002, Vol.41 (1), p.29-40 |
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description | The telomere–telomerase hypothesis is the science of cellular aging (senescence) and cancer. The ends of chromosomes, telomeres, count the number of divisions a cell can undergo before entering permanent growth arrest. As divisions are being counted, events occur on the cellular and molecular level, which may either delay or hasten this arrest. As humans age, a particular concern is the accumulation of events that lead to the progression of cancer. Telomerase is a mechanism that most normal cells do not possess, but almost all cancer cells acquire, to overcome their mortality and extend their lifespan. This review aims to provide a comprehensive understanding of the role of telomerase in cancer development, progression, diagnosis, and in the future, treatment. The ultimate goal of telomerase research is to use our understanding to develop anti-telomerase therapies, an almost universal tumor target. |
doi_str_mv | 10.1016/S1040-8428(01)00188-3 |
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The ends of chromosomes, telomeres, count the number of divisions a cell can undergo before entering permanent growth arrest. As divisions are being counted, events occur on the cellular and molecular level, which may either delay or hasten this arrest. As humans age, a particular concern is the accumulation of events that lead to the progression of cancer. Telomerase is a mechanism that most normal cells do not possess, but almost all cancer cells acquire, to overcome their mortality and extend their lifespan. This review aims to provide a comprehensive understanding of the role of telomerase in cancer development, progression, diagnosis, and in the future, treatment. 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subjects | Aging - physiology Animals Biological and medical sciences Cancer Carcinogenesis, carcinogens and anticarcinogens Enzyme Inhibitors - therapeutic use General aspects Humans Immunosenescence Medical sciences Neoplasms - enzymology Neoplasms - genetics Neoplasms - pathology Neoplasms - therapy Prognosis Replicative aging Senescence Telomerase Telomerase - physiology Telomerase inhibitors Telomere Telomere - physiology Tumors |
title | Telomerase in cancer and aging |
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