Hippocampal-evoked inhibition of cholinergic interneurons in the nucleus accumbens.
Hippocampal-evoked inhibition of cholinergic interneurons in the nucleus accumbens.
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DOI:
10.1016/j.celrep.2022.111042
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发表时间:
2022-07-05
期刊:
影响因子:
8.8
通讯作者:
Carter, Adam G.
中科院分区:
文献类型:
--
作者:
Baimel, Core;Jang, Emil;Scudder, Samantha L.;Manocheri, Kasra;Carter, Adam G.
Cholinergic interneurons (ChIs) in the nucleus accumbens (NAc) play a central role in motivated behaviors and associated disorders. However, while the activation of ChIs has been well studied in the dorsal striatum, little is known about how they are engaged in the NAc. Here, we find that the ventral hippocampus (vHPC) and the paraventricular nucleus of the thalamus (PVT) are the main excitatory inputs to ChIs in the NAc medial shell. While the PVT activates ChIs, the vHPC evokes a pronounced pause in firing through prominent feedforward inhibition. In contrast to the dorsal striatum, this inhibition reflects strong connections onto ChIs from local parvalbumin interneurons. Our results reveal the mechanisms by which different long-range inputs engage ChIs, highlighting fundamental differences in local connectivity across the striatum. Baimel et al. examine the afferent control of cholinergic interneurons (ChIs) in the nucleus accumbens medial shell (NAcMS). Inputs from the ventral hippocampus (vHPC) and paraventricular nucleus of the thalamus have opposing influence on ChI firing. vHPC-evoked inhibition reflects activation of parvalbumin (PV+) interneurons, which robustly inhibit ChIs in NAcMS.
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影响因子:
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作者:
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