New Insights into the Role of Histone Changes in Aging

Aging is the progressive decline or loss of function at the cellular, tissue, and organismal levels that ultimately leads to death. A number of external and internal factors, including diet, exercise, metabolic dysfunction, genome instability, and epigenetic imbalance, affect the lifespan of an orga...

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Main Authors: Sun-Ju Yi, Kyunghwan Kim
Format: Article
Language:English
Published: MDPI AG 2020-11-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/21/21/8241
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author Sun-Ju Yi
Kyunghwan Kim
author_facet Sun-Ju Yi
Kyunghwan Kim
author_sort Sun-Ju Yi
collection DOAJ
description Aging is the progressive decline or loss of function at the cellular, tissue, and organismal levels that ultimately leads to death. A number of external and internal factors, including diet, exercise, metabolic dysfunction, genome instability, and epigenetic imbalance, affect the lifespan of an organism. These aging factors regulate transcriptome changes related to the aging process through chromatin remodeling. Many epigenetic regulators, such as histone modification, histone variants, and ATP-dependent chromatin remodeling factors, play roles in chromatin reorganization. The key to understanding the role of gene regulatory networks in aging lies in characterizing the epigenetic regulators responsible for reorganizing and potentiating particular chromatin structures. This review covers epigenetic studies on aging, discusses the impact of epigenetic modifications on gene expression, and provides future directions in this area.
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spelling doaj.art-167dcc60f386421988a0cfca6d8a0ad52023-11-20T19:41:19ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672020-11-012121824110.3390/ijms21218241New Insights into the Role of Histone Changes in AgingSun-Ju Yi0Kyunghwan Kim1Department of Biology, School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju 28644, Chungbuk, KoreaDepartment of Biology, School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju 28644, Chungbuk, KoreaAging is the progressive decline or loss of function at the cellular, tissue, and organismal levels that ultimately leads to death. A number of external and internal factors, including diet, exercise, metabolic dysfunction, genome instability, and epigenetic imbalance, affect the lifespan of an organism. These aging factors regulate transcriptome changes related to the aging process through chromatin remodeling. Many epigenetic regulators, such as histone modification, histone variants, and ATP-dependent chromatin remodeling factors, play roles in chromatin reorganization. The key to understanding the role of gene regulatory networks in aging lies in characterizing the epigenetic regulators responsible for reorganizing and potentiating particular chromatin structures. This review covers epigenetic studies on aging, discusses the impact of epigenetic modifications on gene expression, and provides future directions in this area.https://www.mdpi.com/1422-0067/21/21/8241aginghistone levelhistone modificationhistone variantchromatin remodelingepigenetics
spellingShingle Sun-Ju Yi
Kyunghwan Kim
New Insights into the Role of Histone Changes in Aging
International Journal of Molecular Sciences
aging
histone level
histone modification
histone variant
chromatin remodeling
epigenetics
title New Insights into the Role of Histone Changes in Aging
title_full New Insights into the Role of Histone Changes in Aging
title_fullStr New Insights into the Role of Histone Changes in Aging
title_full_unstemmed New Insights into the Role of Histone Changes in Aging
title_short New Insights into the Role of Histone Changes in Aging
title_sort new insights into the role of histone changes in aging
topic aging
histone level
histone modification
histone variant
chromatin remodeling
epigenetics
url https://www.mdpi.com/1422-0067/21/21/8241
work_keys_str_mv AT sunjuyi newinsightsintotheroleofhistonechangesinaging
AT kyunghwankim newinsightsintotheroleofhistonechangesinaging