Integrated multimodal cell atlas of Alzheimer’s disease
2024/10/14 by Mariano I. Gabitto, Kyle J. Travaglini, Victoria M. Rachleff +97 · 1 voice · 287 citations
Biochemistry, Genetics and Molecular Biology · Medicine · Neuroscience · #Alzheimer's disease #Alzheimer's disease research and treatments #Biology #Central nervous system #Dementia #Disease #Inflammation #Internal medicine #Medicine #Microglia #Myelin #Neurodegeneration #Neuroinflammation and Neurodegeneration Mechanisms #Neuropathology #Neuroscience #Pathology #Remyelination #Single-cell and spatial transcriptomics
paper · doi:10.1038/s41593-024-01774-5
published in Nature Neuroscience 27(12), 2366-2383 (Nature Portfolio)
openalex publication_date 2024/10/14 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06
Abstract
Abstract Alzheimer’s disease (AD) is the leading cause of dementia in older adults. Although AD progression is characterized by stereotyped accumulation of proteinopathies, the affected cellular populations remain understudied. Here we use multiomics, spatial genomics and reference atlases from the BRAIN Initiative to study middle temporal gyrus cell types in 84 donors with varying AD pathologies. This cohort includes 33 male donors and 51 female donors, with an average age at time of death of 88 years. We used quantitative neuropathology to place donors along a disease pseudoprogression score. Pseudoprogression analysis revealed two disease phases: an early phase with a slow increase in pathology, presence of inflammatory microglia, reactive astrocytes, loss of somatostatin + inhibitory neurons, and a remyelination response by oligodendrocyte precursor cells; and a later phase with exponential increase in pathology, loss of excitatory neurons and Pvalb + and Vip + inhibitory neuron subtypes. These findings were replicated in other major AD studies.
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