Accumbal D2 cells orchestrate innate risk-avoidance according to orexin signals.

Accumbal D2 cells orchestrate innate risk-avoidance according to orexin signals.
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DOI:
10.1038/s41593-017-0023-y
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发表时间:
2018-01
影响因子:
25
通讯作者:
Burdakov D
Burdakov D
中科院分区:
医学1区
文献类型:
--
作者:
Blomeley C;Garau C;Burdakov D

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Excitation of accumbal D2 cells governs vital actions including avoidance of learned risks, but the origins of this excitation and roles of D2 cells in innate risk-avoidance are unclear. Hypothalamic neurons producing orexins/hypocretins enhance innate risk-avoidance via poorly understood neurocircuits. We describe a direct orexin→D2 excitatory circuit, and show that D2 cell activity is necessary for orexin-dependent innate risk-avoidance in mice, thus revealing an unsuspected hypothalamus-accumbens interplay in action selection.
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