Four faces of cellular senescence.

Four faces of cellular senescence.
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DOI:
10.1083/jcb.201009094
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发表时间:
2011-02-21
期刊:
The Journal of cell biology
影响因子:
--
通讯作者:
Campisi J
Campisi J
中科院分区:
其他
文献类型:
--
作者:
Rodier F;Campisi J

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细胞衰老是防止潜在癌细胞增殖的重要机制。然而,最近,很明显这一过程不仅仅意味着细胞生长的简单停止。除了抑制肿瘤发生之外,细胞衰老还可能促进组织修复并加剧与衰老和癌症进展相关的炎症。因此,细胞衰老可能参与四个复杂的生物过程(肿瘤抑制、肿瘤促进、衰老和组织修复),其中一些具有明显相反的作用。现在的挑战是充分了解衰老反应,以利用其好处,同时抑制其缺点。
Cellular senescence is an important mechanism for preventing the proliferation of potential cancer cells. Recently, however, it has become apparent that this process entails more than a simple cessation of cell growth. In addition to suppressing tumorigenesis, cellular senescence might also promote tissue repair and fuel inflammation associated with aging and cancer progression. Thus, cellular senescence might participate in four complex biological processes (tumor suppression, tumor promotion, aging, and tissue repair), some of which have apparently opposing effects. The challenge now is to understand the senescence response well enough to harness its benefits while suppressing its drawbacks.
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