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@ARTICLE{Yang:866422,
author = {Yang, Danqing and Günter, Robert and Qi, Guanxiao and
Radnikow, Gabriele and Feldmeyer, Dirk},
title = {{M}uscarinic and {N}icotinic {M}odulation of {N}eocortical
{L}ayer 6{A} {S}ynaptic {M}icrocircuits {I}s {C}ooperative
and {C}ell-{S}pecific},
journal = {Cerebral cortex},
volume = {30},
number = {6},
issn = {1047-3211},
address = {Oxford},
publisher = {Oxford Univ. Press},
reportid = {FZJ-2019-05569},
pages = {3528–3542},
year = {2020},
abstract = {Acetylcholine (ACh) is known to regulate cortical activity
during different behavioral states, for example, wakefulness
and attention. Here we show a differential expression of
muscarinic ACh receptors (mAChRs) and nicotinic ACh
receptors (nAChRs) in different layer 6A (L6A) pyramidal
cell (PC) types of somatosensory cortex. At low
concentrations, ACh induced a persistent hyperpolarization
in corticocortical (CC) but a depolarization in
corticothalamic (CT) L6A PCs via M 4 and M1 mAChRs,
respectively. At ~ 1 mM, ACh depolarized exclusively CT
PCs via α4β2 subunit-containing nAChRs without affecting
CC PCs. Miniature EPSC frequency in CC PCs was decreased by
ACh but increased in CT PCs. In synaptic connections with a
presynaptic CC PC, glutamate release was suppressed via M4
mAChR activation but enhanced by nAChRs via α4β2 nAChRs
when the presynaptic neuron was a CT PC. Thus, in L6A, the
interaction of mAChRs and nAChRs results in an altered
excitability and synaptic release, effectively strengthening
CT output while weakening CC synaptic signaling.},
cin = {INM-10},
ddc = {610},
cid = {I:(DE-Juel1)INM-10-20170113},
pnm = {899 - ohne Topic (POF3-899)},
pid = {G:(DE-HGF)POF3-899},
typ = {PUB:(DE-HGF)16},
pubmed = {32026946},
UT = {WOS:000535911100006},
doi = {10.1093/cercor/bhz324},
url = {https://juser.fz-juelich.de/record/866422},
}