Deciphering aging at three-dimensional genomic resolution

Zunpeng Liu , Juan Carlos Izpisua Belmonte , Weiqi Zhang , Jing Qu , Guang-Hui Liu
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引用次数: 3

Abstract

Aging is characterized by progressive functional declines at the organismal, organic, and cellular levels and increased susceptibility to aging-related diseases. Epigenetic alteration is a hallmark of aging, senescent cells show epigenomic changes at multiple scales, such as 3D genome reorganization, alterations of histone modifications and chromatin accessibility, and DNA hypomethylation. Chromosome conformation capture (3C)-based technologies have enabled the generation of key information on genomic reorganizations during senescence. A comprehensive understanding of epigenomic alterations during aging will yield important insights into the underlying epigenetic mechanism for aging regulation, the identification of aging-related biomarkers, and the development of potential aging intervention targets.

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破译衰老的三维基因组分辨率
衰老的特征是机体、器官和细胞水平的渐进式功能衰退,以及对衰老相关疾病的易感性增加。表观遗传改变是衰老的标志,衰老细胞在多个尺度上表现出表观基因组的变化,如三维基因组重组、组蛋白修饰和染色质可及性的改变以及DNA低甲基化。基于染色体构象捕获(3C)的技术已经能够生成衰老过程中基因组重组的关键信息。全面了解衰老过程中表观基因组的改变将对衰老调控的潜在表观遗传机制、衰老相关生物标志物的鉴定以及潜在衰老干预靶点的开发产生重要的见解。
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来源期刊
Cell insight
Cell insight Neuroscience (General), Biochemistry, Genetics and Molecular Biology (General), Cancer Research, Cell Biology
CiteScore
2.70
自引率
0.00%
发文量
0
审稿时长
35 days
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