Early life stress confers lifelong stress susceptibility in mice via ventral tegmental area OTX2.

Early life stress confers lifelong stress susceptibility in mice via ventral tegmental area OTX2.
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DOI:
10.1126/science.aan4491
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发表时间:
2017-06-16
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Nestler EJ
Nestler EJ
中科院分区:
其他
文献类型:
--
作者:
Peña CJ;Kronman HG;Walker DM;Cates HM;Bagot RC;Purushothaman I;Issler O;Loh YE;Leong T;Kiraly DD;Goodman E;Neve RL;Shen L;Nestler EJ

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Early life stress increases risk for depression. Here we establish a “two-hit” stress model in mice wherein stress at a specific postnatal period increases susceptibility to adult social defeat stress and causes long-lasting transcriptional alterations that prime the ventral tegmental area (VTA)—a brain reward region—to be in a depression-like state. We identify a role for the developmental transcription factor orthodenticle homeobox 2 (Otx2) as an upstream mediator of these enduring effects. Transient juvenile—but not adult—knockdown of Otx2 in VTA mimics early life stress by increasing stress susceptibility, whereas its overexpression reverses the effects of early life stress. This work establishes a mechanism by which early life stress encodes lifelong susceptibility to stress via long-lasting transcriptional programming in VTA mediated by Otx2.
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