Compilation of reported protein changes in the brain in Alzheimer’s disease

Manor Askenazi, Tomas Kavanagh, Geoffrey Pires, Beatrix Ueberheide, Thomas Wisniewski and Eleanor Drummond ()
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Manor Askenazi: Biomedical Hosting LLC
Tomas Kavanagh: University of Sydney
Geoffrey Pires: New York University
Beatrix Ueberheide: New York University
Thomas Wisniewski: New York University
Eleanor Drummond: University of Sydney

Nature Communications, 2023, vol. 14, issue 1, 1-15

Abstract: Abstract Proteomic studies of human Alzheimer’s disease brain tissue have potential to identify protein changes that drive disease, and to identify new drug targets. Here, we analyse 38 published Alzheimer’s disease proteomic studies, generating a map of protein changes in human brain tissue across thirteen brain regions, three disease stages (preclinical Alzheimer’s disease, mild cognitive impairment, advanced Alzheimer’s disease), and proteins enriched in amyloid plaques, neurofibrillary tangles, and cerebral amyloid angiopathy. Our dataset is compiled into a searchable database (NeuroPro). We found 848 proteins were consistently altered in 5 or more studies. Comparison of protein changes in early-stage and advanced Alzheimer’s disease revealed proteins associated with synapse, vesicle, and lysosomal pathways show change early in disease, but widespread changes in mitochondrial associated protein expression change are only seen in advanced Alzheimer’s disease. Protein changes were similar for brain regions considered vulnerable and regions considered resistant. This resource provides insight into Alzheimer’s disease brain protein changes and highlights proteins of interest for further study.

Date: 2023
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DOI: 10.1038/s41467-023-40208-x

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