A Novel Population of Wake-Promoting GABAergic Neurons in the Ventral Lateral Hypothalamus.
A Novel Population of Wake-Promoting GABAergic Neurons in the Ventral Lateral Hypothalamus.
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DOI:
10.1016/j.cub.2016.05.078
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发表时间:
2016-08-22
期刊:
影响因子:
9.2
通讯作者:
Fuller, Patrick M.
中科院分区:
文献类型:
--
作者:
Venner, Anne;Anaclet, Christelle;Broadhurst, Rebecca Y.;Saper, Clifford B.;Fuller, Patrick M.
The largest synaptic input to the sleep-promoting ventrolateral preoptic area (VLPO) arises from the lateral hypothalamus, a brain area associated with arousal. However, the neurochemical identity of the majority of these VLPO-projecting neurons within the LH, as well as their function in the arousal network, remains unknown. Herein we describe a population of VLPO-projecting neurons in the LH that express the vesicular GABA transporter (VGAT; a marker for GABA-releasing neurons). In addition to the VLPO, these neurons also project to several other established sleep and arousal nodes, including the tuberomammillary nucleus, ventral periaqueductal gray and locus coeruleus. Selective and acute chemogenetic activation of LH VGAT+ neurons was profoundly wake-promoting whereas acute inhibition increased sleep. Because of its direct and massive inputs to the VLPO, this population may play a particularly important role in wake-sleep switching.
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影响因子:
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DOI:
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发表时间:
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