Functional circuit architecture underlying parental behaviour.

Functional circuit architecture underlying parental behaviour.
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DOI:
10.1038/s41586-018-0027-0
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发表时间:
2018-04
期刊:
影响因子:
64.8
通讯作者:
Dulac C
Dulac C
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Kohl J;Babayan BM;Rubinstein ND;Autry AE;Marin-Rodriguez B;Kapoor V;Miyamishi K;Zweifel LS;Luo L;Uchida N;Dulac C

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养育对于哺乳动物后代的生存和幸福至关重要,但我们缺乏对这种行为的不同组成部分如何协调的回路水平的理解。在这里,我们调查甘丙肽表达神经元在内侧视前区(MPOAGal)协调运动,动机,激素和社会方面的养育。这些神经元整合来自大量大脑区域的输入,这些区域的激活取决于动物的性别和生殖状态。MPOAGal神经元的子集形成由其投射位点限定的离散池。虽然MPOAGal群体在父母行为的所有事件中都很活跃,但各个池都被调整到父母行为的特征方面。MPOAGal投射的光遗传学操纵反映了这种特异性,影响离散的养育成分。这种功能组织,让人想起脊髓神经元池对运动序列的控制,为社会行为的离散元素如何在电路水平上产生提供了一个新的模型。
Parenting is essential for the survival and wellbeing of mammalian offspring but we lack a circuit-level understanding of how distinct components of this behaviour are orchestrated. Here we investigate how Galanin-expressing neurons in the medial preoptic area (MPOAGal) coordinate motor, motivational, hormonal and social aspects of parenting. These neurons integrate inputs from a large number of brain areas, whose activation depends on the animal’s sex and reproductive state. Subsets of MPOAGal neurons form discrete pools defined by their projection sites. While the MPOAGal population is active during all episodes of parental behaviour, individual pools are tuned to characteristic aspects of parenting. Optogenetic manipulation of MPOAGal projections mirrors this specificity, affecting discrete parenting components. This functional organization, reminiscent of the control of motor sequences by pools of spinal cord neurons, provides a new model for how discrete elements of a social behaviour are generated at the circuit level.
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