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p53与细胞衰老关系的研究进展 被引量:10

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摘要 细胞衰老作为一种细胞应激反应,可使细胞脱离细胞周期,并丧失应对生长因子或有丝分裂原的增殖能力[1]。衰老细胞表现出细胞扁平、胀大等形态学改变,同时衰老相关β-半乳糖苷酶活性增加,复制能力下降,细胞周期阻滞,p53和p21、p16等细胞周期蛋白依赖激酶抑制因子表达增多,衰老相关异染色质灶形成等[2]。细胞衰老历来被视为永久的生长停滞状态,细胞不能重新进入细胞周期。
出处 《诊断学理论与实践》 2014年第6期636-639,共4页 Journal of Diagnostics Concepts & Practice
基金 国家自然科学基金(81170463 81400090)
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