Identification of the gene-regulatory landscape in skeletal development and potential links to skeletal regeneration.

Identification of the gene-regulatory landscape in skeletal development and potential links to skeletal regeneration.
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DOI:
10.1016/j.reth.2017.04.001
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发表时间:
2017-06
影响因子:
4.3
通讯作者:
Ohba S
Ohba S
中科院分区:
工程技术3区
文献类型:
--
作者:
Hojo H;Chung UI;Ohba S

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A class of gene-regulatory elements called enhancers are the main mediators controlling quantitative, temporal and spatial gene expressions. In the course of evolution, the enhancer landscape of higher organisms such as mammals has become quite complex, exerting biological functions precisely and coordinately. In mammalian skeletal development, the master transcription factors Sox9, Runx2 and Sp7/Osterix function primarily through enhancers on the genome to achieve specification and differentiation of skeletal cells. Recently developed genome-scale analyses have shed light on multiple layers of gene regulations, uncovering not only the primary mode of actions of these transcription factors on skeletal enhancers, but also the relation of the epigenetic landscape to three-dimensional chromatin architecture. Here, we review findings on the emerging framework of gene-regulatory networks involved in skeletal development. We further discuss the power of genome-scale analyses to provide new insights into genetic diseases and regenerative medicine in skeletal tissues. Skeletal development is coordinated by master transcription factors. ChIP-seq analyses for the skeletal regulators identified their modes of actions. Analyses of epigenetic landscape features distinct cell types in skeletal tissues. Integrated analyses of the gene regulatory networks link to skeletal regeneration.
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