Arai Lab

Massachusetts General Hospital

Boston · United States

NIH-funded
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NIH R01 · 2025

The effect of circadian rhythm disruptions on the angiogenic response to hypoperfusion in the AD brain

PROJECT SUMMARY/ABSTRACT Although the pathophysiology of Alzheimer’s Disease (AD) is complex and multifactorial, vascular comorbidities and cerebrovascular insufficiency occur in almost two-thirds of AD patients. However, how cerebrovascular insufficiency interacts with and contributes to AD remains poorly understood. Recently, the brain vasculome (i.e. transcriptome profiles of cerebral endothelial cells and pericytes) has been proposed as a conceptual framework to investigate vascular mechanisms in CNS diseases. In response to RFA-AG-23-014 (Mechanisms of Brain Hypoperfusion in AD/ADRD), we propose to test the hypothesis that cerebrovascular insufficiency perturbs the AD brain vasculome,…

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