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@ARTICLE{Zobeiri:840568,
author = {Zobeiri, Mehrnoush and Chaudhary, Rahul and Datunashvili,
Maia and Heuermann, Robert J. and Lüttjohann, Annika and
Narayanan, Venu and Balfanz, Sabine and Meuth, Patrick and
Chetkovich, Dane M. and Pape, Hans-Christian and Baumann, A.
and van Luijtelaar, Gilles and Budde, Thomas},
title = {{M}odulation of thalamocortical oscillations by {TRIP}8b,
an auxiliary subunit for {HCN} channels},
journal = {Brain structure $\&$ function},
volume = {223},
issn = {1863-2661},
address = {Berlin},
publisher = {Springer},
reportid = {FZJ-2017-08073},
pages = {1537-1564},
year = {2018},
abstract = {Hyperpolarization-activated cyclic nucleotide-gated cation
(HCN) channels have important functions in controlling
neuronal excitability and generating rhythmic oscillatory
activity. The role of tetratricopeptide repeat-containing
Rab8b-interacting protein (TRIP8b) in regulation of
hyperpolarization-activated inward current, I h, in the
thalamocortical system and its functional relevance for the
physiological thalamocortical oscillations were
investigated. A significant decrease in I h current density,
in both thalamocortical relay (TC) and cortical pyramidal
neurons was found in TRIP8b-deficient mice (TRIP8b−/−).
In addition basal cAMP levels in the brain were found to be
decreased while the availability of the fast transient
A-type K+ current, I A, in TC neurons was increased. These
changes were associated with alterations in intrinsic
properties and firing patterns of TC neurons, as well as
intrathalamic and thalamocortical network oscillations,
revealing a significant increase in slow oscillations in the
delta frequency range (0.5–4 Hz) during episodes of
active-wakefulness. In addition, absence of TRIP8b
suppresses the normal desynchronization response of the EEG
during the switch from slow-wave sleep to wakefulness. It is
concluded that TRIP8b is necessary for the modulation of
physiological thalamocortical oscillations due to its direct
effect on HCN channel expression in thalamus and cortex and
that mechanisms related to reduced cAMP signaling may
contribute to the present findings.},
cin = {ICS-4},
ddc = {610},
cid = {I:(DE-Juel1)ICS-4-20110106},
pnm = {552 - Engineering Cell Function (POF3-552)},
pid = {G:(DE-HGF)POF3-552},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:29168010},
UT = {WOS:000428419500029},
doi = {10.1007/s00429-017-1559-z},
url = {https://juser.fz-juelich.de/record/840568},
}