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@ARTICLE{EkmarkLewn:259712,
author = {Ekmark-Lewén, S. and Aniszewska, A. and Molisak, A. and
Gumucio, A. and Lindström, V. and Kahle, P. J. and
Nordström, E. and Möller, C. and Fälting, J. and
Lannfelt, L. and Bergström, J. and Ingelsson, M.},
title = {{R}eduction of brain stem pathology and transient
amelioration of early cognitive symptoms in transgenic mice
treated with a monoclonal antibody against α-synuclein
oligomers/protofibrils.},
journal = {Aging brain},
volume = {4},
issn = {2589-9589},
address = {Amsterdam},
publisher = {Elsevier},
reportid = {DZNE-2023-00784},
pages = {100086},
year = {2023},
abstract = {Immunotherapy against alpha-synuclein (α-syn) is a
promising novel treatment strategy for Parkinson's disease
(PD) and related α-synucleinopathies. We have previously
shown that systemic treatment with the monoclonal
oligomer/protofibril-selective antibody mAb47 targeting
cytotoxic α-syn leads to reduced central nervous system
levels of such species as well as an indication of reduced
late-stage symptoms in aged (Thy-1)-h[A30P] α-syn
transgenic mice. Here, we performed an early-onset long-term
treatment study with this antibody to evaluate effects on
brain pathology and behavioral outcomes in the same mouse
model. Compared to the placebo group, the treatment strongly
reduced phosphorylated α-syn (pS129 α-syn) pathology in
the upper brain stem. Moreover, a preserved recognition
memory and risk assessment behavior could be seen in
antibody-treated mice at six months of age, even although
these effects were no longer significant at eleven months of
age. Importantly, no evidence of inflammatory responses or
other potential toxic effects was seen with the treatment.
Taken together, this study supports the strategy to target
α-syn oligomers/protofibrils with monoclonal antibodies to
counteract early symptoms and slow down the progression of
PD and other α-synucleinopathies.},
keywords = {Alpha-synuclein transgenic mice (Other) / Behavioral
outcome (Other) / Immunotherapy (Other) /
Oligomer/protofibril-selective antibody (Other) / Oligomers
(Other)},
cin = {AG Kahle},
ddc = {610},
cid = {I:(DE-2719)1210000-4},
pnm = {352 - Disease Mechanisms (POF4-352)},
pid = {G:(DE-HGF)POF4-352},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:37559953},
pmc = {pmc:PMC10407822},
doi = {10.1016/j.nbas.2023.100086},
url = {https://pub.dzne.de/record/259712},
}