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杀死身体里的“僵尸细胞”,可以抵抗衰老相关疾病吗?
除了细胞分裂次数达到极限外,物理损伤、营养不良或紫外线引起的DNA损伤等因素也会导致细胞衰老。研究人员最初认为,发生细胞衰老是为了防止受损细胞无限制地复制并引发癌症。在某种程度上可能的确如此,但如果细胞不是单纯地死掉,像可控的凋亡程序 ...
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