Distinct properties of cell-type-specific and shared transcription factor binding sites.

Distinct properties of cell-type-specific and shared transcription factor binding sites.
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DOI:
10.1016/j.molcel.2013.08.037
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发表时间:
2013-10-10
期刊:
影响因子:
16
通讯作者:
Myers, Richard M.
Myers, Richard M.
中科院分区:
生物学1区
文献类型:
--
作者:
Gertz, Jason;Savic, Daniel;Varley, Katherine E.;Partridge, E. Christopher;Safi, Alexias;Jain, Preti;Cooper, Gregory M.;Reddy, Timothy E.;Crawford, Gregory E.;Myers, Richard M.

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Most human transcription factors bind a small subset of potential genomic sites and often use different subsets in different cell types. To identify mechanisms that govern cell type-specific transcription factor binding, we used an integrative approach to study estrogen receptor α (ER). We found that ER exhibits two distinct modes of binding. Shared sites, bound in multiple cell types, are characterized by high affinity estrogen response elements (EREs), inaccessible chromatin and a lack of DNA methylation, while cell-specific sites are characterized by a lack of EREs, co-occurrence with other transcription factors and cell type-specific chromatin accessibility and DNA methylation. These observations enabled accurate quantitative models of ER binding that suggest tethering of ER to one-third of cell-specific sites. The distinct properties of cell-specific binding were also observed with glucocorticoid receptor and for ER in primary mouse tissues, representing an elegant genomic encoding scheme for generating cell type-specific gene regulation.
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