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DIS-L10-2 -DLB

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by

Jan Mulder

on 20 February 2018

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Transcript of DIS-L10-2 -DLB

alpha-synuclein
alpha-synuclein aggregation (Lewy bodies)
summary
like Parkinson's disease (PD), Lewy body dementia (DLB) is a Alpha-synucleinopathy.
alpha synuclein is a synaptic protein involved in docking of synaptic vesicles (role not completely understood)
Lewy bodies are an aggregated form of alpha synuclein
cerebral cortex
(2) dementia with Lewy bodies
Fritz Heinrich Lewy 1885-1950 (circle)
spread of Lewy body pathology
cell-death and brain atrophy
summary
first signs of Lewy bodies pathology are found in the olfactory system, dorsal motor nucleus of the vagus nerve in the hindbrain.
than the Lewy bodies appear in the pons (locus coeruleus, raphe nucleus)
before spreading to substantia nigra, thalamus and cerebral cortex.
post-mortem analysis of DLB-brains often reveals shrinkage of the midbrain and temporal, parietal and cingulate cortex.
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