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Aire regulates chromatin looping by evicting CTCF from domain boundaries and favoring accumulation of cohesin on super-enhancers [Hi-C]

ABSTRACT: Hi-C analysis of Aire+/+ and Aire-/- mTECs

ORGANISM(S): Mus musculus

PROVIDER: GSE180933 | GEO | 2021/07/30

REPOSITORIES: GEO

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Aire regulates chromatin looping by evicting CTCF from domain boundaries and favoring accumulation of cohesin on super-enhancers [ChIP-seq]

Project description:ChIP-seq for proteins involved in Aire's functioning in Aire+/+ and Aire-/- mTECs

2021-07-30 | GSE180934 | GEO

Aire regulates chromatin looping by evicting CTCF from domain boundaries and favoring accumulation of cohesin on super-enhancers [RNA-seq]

Project description:RNA-seq analysis of Aire+/+ and Aire-/- mTECs with or without deletion of STAG2 (SA-2).

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Aire regulates chromatin looping by evicting CTCF from domain boundaries and favoring accumulation of cohesin on super-enhancers [CUT&Tag]

Project description:NIPBL and IgG CUT&Tag in Aire+/+ mTECs

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Aire regulates chromatin looping by evicting CTCF from domain boundaries and favoring accumulation of cohesin on super-enhancers

Project description:This SuperSeries is composed of the SubSeries listed below.

2021-07-30 | GSE180937 | GEO

Aire regulates chromatin looping by evicting CTCF from domain boundaries and favoring accumulation of cohesin on super-enhancers

Project description:Aire regulates chromatin looping by evicting CTCF from domain boundaries and favoring accumulation of cohesin on super-enhancers

| PRJNA750112 | ENA

Aire regulates chromatin looping by evicting CTCF from domain boundaries and favoring accumulation of cohesin on super-enhancers [RNA-seq]

Project description:Aire regulates chromatin looping by evicting CTCF from domain boundaries and favoring accumulation of cohesin on super-enhancers [RNA-seq]

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Aire regulates chromatin looping by evicting CTCF from domain boundaries and favoring accumulation of cohesin on super-enhancers [CUT&Tag]

Project description:Aire regulates chromatin looping by evicting CTCF from domain boundaries and favoring accumulation of cohesin on super-enhancers [CUT&Tag]

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Aire regulates chromatin looping by evicting CTCF from domain boundaries and favoring accumulation of cohesin on super-enhancers [Hi-C]

Project description:Aire regulates chromatin looping by evicting CTCF from domain boundaries and favoring accumulation of cohesin on super-enhancers [Hi-C]

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Aire regulates chromatin looping by evicting CTCF from domain boundaries and favoring accumulation of cohesin on super-enhancers [ChIP-seq]

Project description:Aire regulates chromatin looping by evicting CTCF from domain boundaries and favoring accumulation of cohesin on super-enhancers [ChIP-seq]

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Transcriptional regulation by Aire in medullary thymic epithelial cells revisited

Project description:The deficiency of Aire, a transcriptional regulator whose defect results in the development of autoimmunity, is associated with reduced expression of tissue-restricted self-Ags (TRAs) in medullary thymic epithelial cells (mTECs). Although the mechanisms underlying Aire-dependent expression of TRAs need to be explored, the physical identification of the target(s) of Aire has been hampered by the low and promiscuous expression of TRAs. We have tackled this issue by engineering mice with augmented Aire expression. Integration of the transcriptomic data from Aire-augmented and Aire-deficient mTECs revealed that a large proportion of so-called Aire-dependent genes, including those of TRAs, may not be direct transcriptional targets downstream of Aire. Rather, Aire induces TRA expression indirectly through controlling the heterogeneity of mTECs, as revealed by single-cell analyses. In contrast, Ccl25 emerged as a canonical target of Aire, and we verified this both in vitro and in vivo. Our approach has illuminated the Aire?s primary targets while distinguishing them from the secondary targets.

2021-10-13 | GSE155331 | GEO

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