Chromatin structure as a mediator of aging

被引：137

作者：

Feser, Jason ^{[2
]}

Tyler, Jessica ^{[1
]}

机构：

[1] UT MD Anderson Canc Ctr, Dept Biochem & Mol Biol, Houston, TX USA

[2] Univ Colorado, Program Mol Biol, Sch Med, Aurora, CO USA

来源：

FEBS LETTERS | 2011年 / 585卷 / 13期

关键词：

Aging; Chromatin; Histone modification; Epigenetic; CORE HISTONE VARIANTS; LIFE-SPAN; GENE-EXPRESSION; DNA-DAMAGE; ACETYLATION; CELLS; AGE; AUTOPHAGY; EXTENSION; LONGEVITY;

D O I：

10.1016/j.febslet.2010.11.016

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The aging process is characterized by gradual changes to an organism's macromolecules, which negatively impacts biological processes. The complex macromolecular structure of chromatin regulates all nuclear processes requiring access to the DNA sequence. As such, maintenance of chromatin structure is an integral component to deter premature aging. In this review, we describe current research that links aging to chromatin structure. Histone modifications influence chromatin compaction and gene expression and undergo many changes during aging. Histone protein levels also decline during aging, dramatically affecting chromatin structure. Excitingly, lifespan can be extended by manipulations that reverse the age-dependent changes to chromatin structure, indicating the pivotal role chromatin structure plays during aging. (C) 2010 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.

引用

页码：2041 / 2048

页数：8

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