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Integrated multimodal cell atlas of Alzheimer’s disease

315
Citations
December 1, 2024
Published Date

Research Abstract & Technology Focus

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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This literature focuses on: 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 r...

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Yes, highly correlated activity was mapped. An entry titled 'Integrated multimodal cell atlas of Alzheimer’s disease' discusses this: Abstract Alzheimer’s disease (AD) is the leading cause of dementia in older adults. Although AD progression ...

Are there commercial applications of 'Integrated multimodal cell atlas of Alzheimer’s disease' in market news publications?

Yes, highly correlated activity was mapped. An entry titled 'Microglial mitochondria transfer to astrocytes via GPNMB-enriched extracellular vesicles alleviates cognitive deficits in tauopathy mice' discusses this: In PS19 mice, microglia-derived glycoprotein nonmetastatic melanoma protein B promotes mitochondrial extracellular vesicle secretion, enabling mito...

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