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Accumulation of Lewy-Related Pathology Starts in Middle Age: The Tampere Sudden Death Study
Eloise H Kok1,2, Anders Paetau1,3, Mika Martiskainen2,4
1Department of Pathology, University of Helsinki, Helsinki, Finland.
Abstract:
When effective treatments against neurodegenerative diseases become a reality, it will be important to know the age these pathologies begin to develop. We investigated alpha-synuclein pathology in brain tissue of the Tampere Sudden Death Study-unselected forensic autopsies on individuals living outside hospital institutions in Finland. Of 562 (16-95 years) participants, 42 were positive for Lewy-related pathology (LRP). The youngest LRP case was aged 54 years, and the frequency of LRP in individuals aged ≥50 years was 9%. This forensic autopsy study indicates LRP starts already in middle age and is more common than expected in the ≥50 years-of-age non-hospitalized population. ANN NEUROL 2024;95:843-848.
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