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Ehmt2’s transcriptional coactivation restricts glucocorticoid-induced insulin resistance in a study with male mice

ABSTRACT: Ehmt2’s transcriptional coactivation restricts glucocorticoid-induced insulin resistance in a study with male mice

PROVIDER: PRJNA742661 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR15000205.fastq.gz	Fastqsanger.gz
	SRR15000206.fastq.gz	Fastqsanger.gz
	SRR15000207.fastq.gz	Fastqsanger.gz
	SRR15000208.fastq.gz	Fastqsanger.gz
	SRR15000209.fastq.gz	Fastqsanger.gz

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Ehmt2’s transcriptional coactivation restricts glucocorticoid-induced insulin resistance in a study with male mice

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Project description:Sensory experience refines neural circuits during critical periods of postnatal development. Although neuronal activity is known to orchestrate the circuit wiring that underlies this process, the environmental cues that restrain developmental plasticity as animals mature are less clear. Here, we examine the experience-dependent maturation of the mouse primary visual cortex (V1) across postnatal development using paired single-cell transcriptomic and chromatin accessibility sequencing. In addition to identifying the activity-dependent gene programs that emerge within each cortical cell type, we find that light exposure drives astrocyte maturation through cell type-specific recruitment of the glucocorticoid receptor (Nr3c1/GR) to chromatin. Astrocyte GR signaling activates an extensive gene regulatory program that is partially conserved in human brain development and promotes maturation processes that may trigger critical period closure. Collectively, these findings reveal that astrocyte GR signaling restricts neuronal plasticity. Glucocorticoid regulation of astrocyte maturation may also contribute to the effects of early-life stress across the brain, and the disruption of this process may increase susceptibility to neuropsychiatric disease.

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