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Emerging Roles of Estrogen-Related Receptors in the Brain: Potential Interactions with Estrogen Signaling
Journal article   Open access   Peer reviewed

Emerging Roles of Estrogen-Related Receptors in the Brain: Potential Interactions with Estrogen Signaling

Kenji Saito and Huxing Cui
International journal of molecular sciences, Vol.19(4), p.1091
04/05/2018
DOI: 10.3390/ijms19041091
PMCID: PMC5979530
PMID: 29621182
url
https://doi.org/10.3390/ijms19041091View
Published (Version of record) Open Access

Abstract

In addition to their well-known role in the female reproductive system, estrogens can act in the brain to regulate a wide range of behaviors and physiological functions in both sexes. Over the past few decades, genetically modified animal models have greatly increased our knowledge about the roles of estrogen receptor (ER) signaling in the brain in behavioral and physiological regulations. However, less attention has been paid to the estrogen-related receptors (ERRs), the members of orphan nuclear receptors whose sequences are homologous to ERs but lack estrogen-binding ability. While endogenous ligands of ERRs remain to be determined, they seemingly share transcriptional targets with ERs and their expression can be directly regulated by ERs through the estrogen-response element embedded within the regulatory region of the genes encoding ERRs. Despite the broad expression of ERRs in the brain, we have just begun to understand the fundamental roles they play at molecular, cellular, and circuit levels. Here, we review recent research advancement in understanding the roles of ERs and ERRs in the brain, with particular emphasis on ERRs, and discuss possible cross-talk between ERs and ERRs in behavioral and physiological regulations.
estrogen estrogen receptor mitochondria Review estrogen-related receptors brain central nervous system

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