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@ARTICLE{Statz:271077,
author = {Statz, Meike and Weber, Hanna and Weis, Frederike and
Kober, Maria and Bathel, Henning and Plocksties, Franz and
van Rienen, Ursula and Timmermann, Dirk and Storch,
Alexander and Fauser, Mareike},
title = {{S}ubthalamic nucleus deep brain stimulation induces
functional deficits in norepinephrinergic neurotransmission
in a {P}arkinson’s disease model},
journal = {Brain research},
volume = {1841},
issn = {0006-8993},
address = {Amsterdam},
publisher = {Elsevier},
reportid = {DZNE-2024-00949},
pages = {149128},
year = {2024},
abstract = {Deep brain stimulation of the subthalamic nucleus (STN-DBS)
is a successful treatment option in Parkinson's disease (PD)
for different motor and non-motor symptoms, but has been
linked to postoperative cognitive impairment.Since both
dopaminergic and norepinephrinergic neurotransmissions play
important roles in symptom development, we analysed STN-DBS
effects on dopamine and norepinephrine availability in
different brain regions and morphological alterations of
catecholaminergic neurons in the 6-hydroxydopamine PD rat
model.We applied one week of continuous unilateral STN-DBS
or sham stimulation, respectively, in groups of healthy and
6-hydroxydopamine-lesioned rats to quantify dopamine and
norepinephrine contents in the striatum, olfactory bulb and
dentate gyrus. In addition, we analysed dopaminergic cell
counts in the substantia nigra pars compacta and area
tegmentalis ventralis and norepinephrinergic neurons in the
locus coeruleus after one and six weeks of STN-DBS.In
6-hydroxydopamine-lesioned animals, one week of STN-DBS did
not alter dopamine levels, while striatal norepinephrine
levels were decreased. However, neither one nor six weeks of
STN-DBS altered dopaminergic neuron numbers in the midbrain
or norepinephrinergic neuron counts in the locus coeruleus.
Dopaminergic fibre density in the dorsal and ventral
striatum also remained unchanged after six weeks of STN-DBS.
In healthy animals, one week of STN-DBS resulted in
increased dopamine levels in the olfactory bulb and
decreased contents in the dentate gyrus, but had no effects
on norepinephrine availability.STN-DBS modulates striatal
norepinephrinergic neurotransmission in a PD rat model.
Additional behavioural studies are required to investigate
the functional impact of this finding.},
keywords = {Animals / Subthalamic Nucleus: metabolism / Deep Brain
Stimulation: methods / Male / Oxidopamine: toxicity /
Synaptic Transmission: physiology / Dopamine: metabolism /
Disease Models, Animal / Norepinephrine: metabolism / Rats /
Parkinson Disease: metabolism / Parkinson Disease: therapy /
Dopaminergic Neurons: metabolism / Olfactory Bulb:
metabolism / Rats, Sprague-Dawley / Corpus Striatum:
metabolism / Dentate Gyrus: metabolism / Parkinsonian
Disorders: metabolism / Parkinsonian Disorders: therapy /
Parkinsonian Disorders: physiopathology},
cin = {AG Storch},
ddc = {610},
cid = {I:(DE-2719)5000014},
pnm = {353 - Clinical and Health Care Research (POF4-353)},
pid = {G:(DE-HGF)POF4-353},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:39053685},
doi = {10.1016/j.brainres.2024.149128},
url = {https://pub.dzne.de/record/271077},
}