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Regulation of neural gene expression by estrogen receptor alpha

Gegenhuber, B.; Wu, M. V.; Bronstein, R.; Tollkuhn, J.

2020-10-21 neuroscience
10.1101/2020.10.21.349290 bioRxiv
Show abstract

The transcription factor estrogen receptor (ER) is a principal regulator of sex differences in the vertebrate brain and can modulate mood, behavior, and energy balance in females and males. However, the genes regulated by ER in the brain remain largely unknown. Here we reveal the genomic binding of ER within a sexually dimorphic neural circuit that regulates social behaviors. We profiled gene expression and chromatin accessibility and show ER induces a neurodevelopmental gene program in adulthood. We further demonstrate that ER binds with Nuclear factor I X-type (Nfix) to regulate a male-biased gene expression program that initiates in early life. Our results reveal a neural strategy for ER-mediated gene regulation and provide molecular targets that underlie estrogens effects on brain development, behavior, and disease.

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