Epigenetics and Bone Remodeling.

Epigenetics and Bone Remodeling.
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DOI:
10.1007/s11914-017-0391-y
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发表时间:
2017-10
影响因子:
4.3
通讯作者:
Jeffries MA
Jeffries MA
中科院分区:
医学2区
文献类型:
--
作者:
Husain A;Jeffries MA

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骨重建是一个多元化的研究领域,有许多直接的临床应用;过去的研究表明,表观遗传学改变是正常骨组织发育和功能的关键因素,也是病理性骨重建疾病的关键因素。这篇文章的目的是回顾将表观遗传学变化与骨重建领域联系起来的最重要的最新进展。表观遗传学描述了三种主要现象:DNA甲基化修饰、组蛋白侧链修饰和短的非编码RNA序列,它们协同工作以可遗传的方式调节基因转录。最近的发现包括Wnt、RANK/RANKL和其他关键信号通路的DNA甲基化变化的作用,成骨细胞和破骨细胞分化的表观遗传调控等。虽然已经做了很多工作,但仍有许多未知之处。未来的表观基因组研究应集中于扩大组织覆盖面,将多种表观遗传学分析与转录组数据相结合,并努力揭示与异常骨重塑早期事件有关的表观遗传学变化。
Bone remodeling is a diverse field of study with many direct clinical applications; past studies have implicated epigenetic alterations as key factors of both normal bone tissue development and function and diseases of pathologic bone remodeling. The purpose of this article is to review the most important recent advances that link epigenetic changes to the bone remodeling field. Epigenetics describes three major phenomena: DNA modification via methylation, histone sidechain modifications, and short non-coding RNA sequences which work in concert to regulate gene transcription in a heritable fashion. Recent findings include the role of DNA methylation changes of Wnt, RANK/RANKL, and other key signaling pathways, epigenetic regulation of osteoblast and osteoclast differentiation, and others. Although much work has been done, much is still unknown. Future epigenome-wide studies should focus on extending the tissue coverage, integrating multiple epigenetic analyses with transcriptome data, and working to uncover epigenetic changes linked with early events in aberrant bone remodeling.
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