Cashikar Lab

Washington University

PSYCHIATRY

Saint Louis · United States

NIH-funded
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NIH R01 · 2024

Role of the microglial immune-oxysterol 25-hydroxycholesterol in mediating neuroinflammation and neurodegeneration in the P301S tau transgenic mouse model of Alzheimer's disease

PROJECT SUMMARY/ABSTRACT Alzheimer disease (AD) is the most common neurodegenerative disorder characterized by neuroinflammation associated with amyloid plaques and tau-containing neurofibrillary tangles in the brain as well as severe neurodegeneration, neuroinflammation and lipid accumulation. The apolipoprotein E (APOE) genotype is by far the most powerful genetic risk factor for late-onset AD and is thought to play an important role in neuroinflammation and lipid metabolism. Pathological activation of microglia and astrocytes contribute substantially to the loss of neurons and synapses and lipid dysfunction in AD and related dementias (ADRD). Despite an important pathogenic role for…

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