Chhatwal Lab

Brigham and Women's Hospital

Boston · United States

NIH-funded
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NIH R01 · 2025

Leveraging Heterogeneity in Autosomal Dominant AD to Elucidate Pathophysiology and Improve AD Biomarkers

Project Abstract: Alzheimer’s disease (AD) and related dementias (ADRD) represent an enormous burden for patients, families, and health care systems, underscoring the urgent need for efficacious, widely-accessible, and cost- effective disease-modifying therapies. The over-production of longer, aggregation-prone Ab fragments (esp. Ab42 and 43) relative to shorter, non-aggregating fragments (esp. Ab37 and 38) appears to be a critical initiating pathological event in both late-onset, sporadic AD (LOAD) and Autosomal Dominant AD (ADAD). The balance between production of aggregating and non-aggregating forms of Ab is a direct result of the efficiency and kinetics with which the γ-secretase…

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