Defining the toxicology of aging.

Defining the toxicology of aging.
复制标题

定义衰老的毒理学。

DOI:
10.1016/j.molmed.2014.04.004
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发表时间:
2014-07
影响因子:
13.6
通讯作者:
Sharpless NE
Sharpless NE
中科院分区:
医学1区
文献类型:
--
作者:
Sorrentino JA;Sanoff HK;Sharpless NE

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哺乳动物的衰老是一个复杂的问题,人们对它的认识还不完全。虽然已经花费了大量的努力来解决遗传学问题,或者最近,衰老的药理学,但衰老的毒理学研究相对不足。正如对“致癌物”的理解已证明对现代癌症生物学至关重要一样,对加速衰老的环境毒物(“老年原”)的理解将为老年学提供信息。在这篇综述中,我们讨论了哺乳动物的老年期存在的证据,以及描述的生物标志物需要测量的年龄促进活动的一个给定的毒物。我们专注于推定的老年期对衰老细胞体内积累的影响,衰老的一个特征,在一些年龄相关的表型中起着因果作用。
Mammalian aging is complex and incompletely understood. While significant effort has been spent addressing the genetics or, more recently, the pharmacology of aging, the toxicology of aging has been relatively understudied. Just as an understanding of `carcinogens' has proven critical to modern cancer biology, an understanding of environmental toxicants that accelerate aging (`gerontogens') will inform gerontology. In this review, we discuss the evidence for the existence of mammalian gerontogens, as well as describe biomarkers needed to measure the age-promoting activity of a given toxicant. We focus on the effects of putative gerontogens on the in vivo accumulation of senescent cells, a characteristic feature of aging that plays a causal role in some age-associated phenotypes.
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发表时间: 2006-11-30
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