Estrogen receptor α drives pro-resilient transcription in mouse models of depression.

Estrogen receptor α drives pro-resilient transcription in mouse models of depression.
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DOI:
10.1038/s41467-018-03567-4
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发表时间:
2018-03-16
影响因子:
16.6
通讯作者:
Nestler EJ
Nestler EJ
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Lorsch ZS;Loh YE;Purushothaman I;Walker DM;Parise EM;Salery M;Cahill ME;Hodes GE;Pfau ML;Kronman H;Hamilton PJ;Issler O;Labonté B;Symonds AE;Zucker M;Zhang TY;Meaney MJ;Russo SJ;Shen L;Bagot RC;Nestler EJ

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Most people exposed to stress do not develop depression. Animal models have shown that stress resilience is an active state that requires broad transcriptional adaptations, but how this homeostatic process is regulated remains poorly understood. In this study, we analyze upstream regulators of genes differentially expressed after chronic social defeat stress. We identify estrogen receptor α (ERα) as the top regulator of pro-resilient transcriptional changes in the nucleus accumbens (NAc), a key brain reward region implicated in depression. In accordance with these findings, nuclear ERα protein levels are altered by stress in male and female mice. Further, overexpression of ERα in the NAc promotes stress resilience in both sexes. Subsequent RNA-sequencing reveals that ERα overexpression in NAc reproduces the transcriptional signature of resilience in male, but not female, mice. These results indicate that NAc ERα is an important regulator of pro-resilient transcriptional changes, but with sex-specific downstream targets. Stress resilience is accompanied by broad changes in gene expression. This study shows that estrogen receptor α (ERα) is a key upstream regulator of these changes in the nucleus accumbens, and that overexpression of ERα increases behavioral resilience via a sex-specific transcriptional mechanism.
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