Telomerase in cancer and aging

被引:134
作者
Granger, MP [1 ]
Wright, WE [1 ]
Shay, JW [1 ]
机构
[1] Univ Texas, SW Med Ctr, Dept Cell Biol, Dallas, TX 75390 USA
关键词
telomere; telomerase; senescence; replicative aging; cancer; immunosenescence; telomerase inhibitors;
D O I
10.1016/S1040-8428(01)00188-3
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
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. (C) 2002 Elsevier Science Ireland Ltd. All rights reserved.
引用
收藏
页码:29 / 40
页数:12
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