001     263624
005     20240112171438.0
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024 7 _ |a 10.1111/bpa.13196
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024 7 _ |a 1015-6305
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024 7 _ |a 1750-3639
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037 _ _ |a DZNE-2023-00843
041 _ _ |a English
082 _ _ |a 610
100 1 _ |a Zhang, Shuyu
|0 0000-0001-7645-5448
|b 0
245 _ _ |a Alpha-synuclein fibrils amplified from multiple system atrophy and Parkinson's disease patient brain spread after intracerebral injection into mouse brain.
260 _ _ |a Oxford
|c 2023
|b Wiley-Blackwell
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520 _ _ |a Parkinson's disease (PD), multiple system atrophy (MSA), and dementia with Lewy bodies (DLB) are neurodegenerative disorders with alpha-synuclein (α-syn) aggregation pathology. Different strains of α-syn with unique properties are suggested to cause distinct clinical and pathological manifestations resulting in PD, MSA, or DLB. To study individual α-syn spreading patterns, we injected α-syn fibrils amplified from brain homogenates of two MSA patients and two PD patients into the brains of C57BI6/J mice. Antibody staining against pS129-α-syn showed that α-syn fibrils amplified from the brain homogenates of the four different patients caused different levels of α-syn spreading. The strongest α-syn pathology was triggered by α-syn fibrils of one of the two MSA patients, followed by comparable pS129-α-syn induction by the second MSA and one PD patient material. Histological analysis using an antibody against Iba1 further showed that the formation of pS129-α-syn is associated with increased microglia activation. In contrast, no differences in dopaminergic neuron numbers or co-localization of α-syn in oligodendrocytes were observed between the different groups. Our data support the spreading of α-syn pathology in MSA, while at the same time pointing to spreading heterogeneity between different patients potentially driven by individual patient immanent factors.
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650 _ 2 |a Animals
|2 MeSH
650 _ 2 |a Mice
|2 MeSH
650 _ 2 |a alpha-Synuclein: metabolism
|2 MeSH
650 _ 2 |a Parkinson Disease: pathology
|2 MeSH
650 _ 2 |a Multiple System Atrophy: pathology
|2 MeSH
650 _ 2 |a Brain: pathology
|2 MeSH
650 _ 2 |a Synucleinopathies: pathology
|2 MeSH
650 _ 2 |a Antibodies
|2 MeSH
650 _ 7 |a Snca protein, mouse
|2 NLM Chemicals
650 _ 7 |a Parkinson's disease
|2 Other
650 _ 7 |a alpha-synuclein
|2 Other
650 _ 7 |a microglia
|2 Other
650 _ 7 |a multiple system atrophy
|2 Other
650 _ 7 |a patient-derived fibrils
|2 Other
650 _ 7 |a alpha-Synuclein
|2 NLM Chemicals
650 _ 7 |a Antibodies
|2 NLM Chemicals
700 1 _ |a Dauer, Karina
|b 1
700 1 _ |a Strohäker, Timo
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700 1 _ |a Tatenhorst, Lars
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700 1 _ |a Caldi Gomes, Lucas
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700 1 _ |a Mayer, Simon
|b 5
700 1 _ |a Jung, Byung Chul
|b 6
700 1 _ |a Kim, Woojin S
|b 7
700 1 _ |a Lee, Seung-Jae
|b 8
700 1 _ |a Becker, Stefan
|b 9
700 1 _ |a Liesche-Starnecker, Friederike
|0 0000-0003-1948-1580
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700 1 _ |a Zweckstetter, Markus
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700 1 _ |a Lingor, Paul
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773 _ _ |a 10.1111/bpa.13196
|g Vol. 33, no. 5, p. e13196
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910 1 _ |a Deutsches Zentrum für Neurodegenerative Erkrankungen
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