细胞衰老的特征

近几年发现了细胞衰老及具有致癌因子的衰老相关分泌表型（SASP）。在干细胞等领域均发现有衰老现象，在各领域的衰老研究受到越来越多的重视。

通过不同指标评估衰老细胞

在不同传代数的WI-38细胞中，使用不同的试剂盒分别评估细胞的SA-ß-Gal活性，线粒体膜电位和细胞代谢情况（葡萄糖和乳酸）。在衰老细胞中，SA-ß-Gal活性增强，线粒体膜电位降低。其上清液中葡萄糖和乳酸的消耗量等代谢指标有所增加。

细胞老化导致相关因素的变化

引用论文

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