Journal
NEUROSCIENTIST
Volume 29, Issue 2, Pages 245-263Publisher
SAGE PUBLICATIONS INC
DOI: 10.1177/10738584211024531
Keywords
Alzheimer's disease; microglia; genetics; HLA; CD33; TREM2; SPI1
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Alzheimer's disease is an age-related neurodegenerative condition, and microglia cells have been found to play a central role in its pathogenesis. Genetic studies have identified dysfunctional microglial pathways associated with genetic risk factors for AD. These findings provide potential therapeutic targets for intervention.
Alzheimer's disease (AD) is a debilitating age-related neurodegenerative condition. Unbiased genetic studies have implicated a central role for microglia, the resident innate immune cells of the central nervous system, in AD pathogenesis. On-going efforts are clarifying the biology underlying these associations and the microglial pathways that are dysfunctional in AD. Several genetic risk factors converge to decrease the function of activating microglial receptors and increase the function of inhibitory receptors, resulting in a seemingly dampened microglial phenotype in AD. Moreover, many of these microglial proteins that are genetically associated with AD appear to interact and share pathways or regulatory mechanisms, presenting several points of convergence that may be strategic targets for therapeutic intervention. Here, we review some of these studies and their implications for microglial participation in AD pathogenesis.
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