cell senescence

Programmed Cell Death ( PCD), a physiological cell death process, is associated with the differentiation of vessel and sieve tube, the propagation, senescence, the hypersensitive reaction of plants, and so on.

细胞程序性死亡（Programmed cell death，PCD）与导管和筛管的分化、繁殖、衰老、超敏反应等过程紧密相关。

Tea can inhibit cell senescence, people live longer.

饮茶能抑制细胞衰老, 使人延年益寿.

It is the final stage of cell senescence resulting in complete digestion of all cell components.

是所有衰老细胞经历的最后一个阶段.

Instead the cells cell cycle arrest with features of senescence.

代之以衰老为特征的细胞周期阻滞的表现.

In human somatic cells, telomeres shorten by 30 to 200 bp with each cell division. When telomeres were shortened to some threshold value, cell senescence or apoptosis was triggered.

随着细胞分裂端粒每次缩短30～200bp，当端粒缩短到某临界长度时，细胞则发生衰老或凋亡。

Telomere and telomerase are the focus of modern biological study. There are close relationships among telomere loss and cell ageing, activation of telomerase, cell senescence and immortalization.

端粒和端粒酶是现代生物学研究的热点，端粒的缺失与细胞的衰老，端粒酶的活性与细胞的老化及癌化均有密切的关系。

Recently, miRNA has been found involving in the regulation of cell senescence.

最近发现miRNA参与调控细胞衰老。