Central Control Circuit for Context-Dependent Micturition.

Central Control Circuit for Context-Dependent Micturition.
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DOI:
10.1016/j.cell.2016.08.073
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发表时间:
2016-09-22
期刊:
影响因子:
64.5
通讯作者:
Sabatini BL
Sabatini BL
中科院分区:
生物学1区
文献类型:
--
作者:
Hou XH;Hyun M;Taranda J;Huang KW;Todd E;Feng D;Atwater E;Croney D;Zeidel ML;Osten P;Sabatini BL

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Urine release (micturition) serves an essential physiological function as well as a critical role in social communication in many animals. Here we show a combined effect of olfaction and social hierarchy on micturition patterns in adult male mice, confirming the existence of a micturition control center that integrates pro- and anti-micturition cues. Furthermore, we demonstrate that a cluster of neurons expressing corticotropin-releasing hormone (Crh) in the pontine micturition center (PMC) are electrophysiologically distinct from their Crh-negative neighbors and send glutamatergic projections to the spinal cord. The activity of PMC Crh-expressing neurons correlates with and is sufficient to drive bladder contraction, and when silenced impairs micturition behavior. These neurons receive convergent input from widespread higher brain areas that are capable of carrying diverse pro- and anti-micturition signals, and whose activity modulates hierarchy-dependent micturition. Taken together, our results indicate that PMC Crh-expressing neurons are likely the integration center for context-dependent micturition behavior.
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发表时间: 2002-07-01
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