Sperm microRNAs confer depression susceptibility to offspring.

Sperm microRNAs confer depression susceptibility to offspring.
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精子 microRNA 赋予后代抑郁症易感性

DOI:
10.1126/sciadv.abd7605
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发表时间:
2021-03
期刊:
影响因子:
13.6
通讯作者:
Chen X
Chen X
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Wang Y;Chen ZP;Hu H;Lei J;Zhou Z;Yao B;Chen L;Liang G;Zhan S;Zhu X;Jin F;Ma R;Zhang J;Liang H;Xing M;Chen XR;Zhang CY;Zhu JN;Chen X

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由父亲压力诱导的抑郁表型可以通过精子中的小RNA从一代传递到下一代。有证据表明,后代的特征可以形成的父母的生活经验,在表观遗传的方式铺平了道路,了解抑郁症的病因。在这里,我们表明,F0雄性抑郁样模型的F1后代容易抑郁样症状的分子,神经元和行为水平。精子小RNA,特别是microRNA(miRNA),表现出不同的表达谱在F0雄性抑郁样模型和重演父抑郁样表型在F1后代。通过反义链中和受精卵中的异常miRNAs挽救了抑郁样模型的F0雄性所生F1后代中获得的抑郁样表型。从机制上讲,精子miRNA重塑了核心神经元回路中的早期胚胎转录谱,使其趋向抑郁样表型。总的来说,这些发现揭示了精子miRNAs在抑郁症遗传中的因果作用,并为抑郁症易感性的潜在机制提供了深入了解。
Depressive phenotypes induced by paternal stress can be transferred from one generation to the next via small RNAs in the sperm. Evidence that offspring traits can be shaped by parental life experiences in an epigenetically inherited manner paves a way for understanding the etiology of depression. Here, we show that F1 offspring born to F0 males of depression-like model are susceptible to depression-like symptoms at the molecular, neuronal, and behavioral levels. Sperm small RNAs, and microRNAs (miRNAs) in particular, exhibit distinct expression profiles in F0 males of depression-like model and recapitulate paternal depressive-like phenotypes in F1 offspring. Neutralization of the abnormal miRNAs in zygotes by antisense strands rescues the acquired depressive-like phenotypes in F1 offspring born to F0 males of depression-like model. Mechanistically, sperm miRNAs reshape early embryonic transcriptional profiles in the core neuronal circuits toward depression-like phenotypes. Overall, the findings reveal a causal role of sperm miRNAs in the inheritance of depression and provide insight into the mechanism underlying susceptibility to depression.
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