Telomere maintenance mechanisms and cellular immortalization

被引：151
作者：
Colgin, LM [1 ]
Reddel, RR [1 ]
机构：
[1] Childrens Med Res Inst, Westmead, NSW 2145, Australia
来源：
CURRENT OPINION IN GENETICS & DEVELOPMENT | 1999年 / 9卷 / 01期
基金：
英国医学研究理事会;
关键词：
D O I：
10.1016/S0959-437X(99)80014-8
中图分类号：
Q2 [细胞生物学];
学科分类号：
071009 ; 090102 ;
摘要：
Immortal cell populations are able to proliferate indefinitely. Immortalization is associated with activation of processes that compensate for the telomeric shortening that accompanies cell division in normal somatic cells. In many immortal cell lines, telomere maintenance is provided by the action of the ribonucleoprotein enzyme complex, telomerase. Some immortal cell lines have undetectable or very low levels of telomerase activity and there is evidence that these cells maintain their telomeres by an alternative mechanism.
引用
收藏
页码：97 / 103
页数：7
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