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Cited by 243

The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.

Cell type specificity of chromatin organization mediated by CTCF and cohesin

Open access
Hou, Chunhui, Dale, Ryan, Dean, Ann·2010·Proceedings of the National Academy of Sciences

Abstract

CTCF sites are abundant in the genomes of diverse species but their function is enigmatic. We used chromosome conformation capture to determine long-range interactions among CTCF/cohesin sites over 2 Mb on human chromosome 11 encompassing the β-globin locus and flanking olfactory receptor genes. Although CTCF occupies these sites in both erythroid K562 cells and fibroblast 293T cells, the long-range interaction frequencies among the sites are highly cell type specific, revealing a more densely clustered organization in the absence of globin gene activity. Both CTCF and cohesins are required for the cell-type-specific chromatin conformation. Furthermore, loss of the organizational loops in K562 cells through reduction of CTCF with shRNA results in acquisition of repressive histone marks in the globin locus and reduces globin gene expression whereas silent flanking olfactory receptor genes are unaffected. These results support a genome-wide role for CTCF/cohesin sites through loop formation that both influences transcription and contributes to cell-type-specific chromatin organization and function.

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Metadata

Authors
Hou, C., Dale, R., & Dean, A.
Venue
Proceedings of the National Academy of Sciences
Published
2010-02-23
Volume
107
Issue
8
Pages
3651-3656
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2095560405
Cited by
243
References
13
FWCI
14.06
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Cell type specificity of chromatin organization mediated by CTCF and cohesin. https://app.cochat.ai/papers/10.1073/pnas.0912087107
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Hou, C., Dale, R., & Dean, A. (2010). Cell type specificity of chromatin organization mediated by CTCF and cohesin. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0912087107

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