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Two cohorts—IDEAS and WHIMS—show Aβ accumulation and brain shrinkage in cognitively normal and impaired elderly who were exposed to levels of air pollution even within current EPA limits.
Researchers found that bits of tau from the protein’s microtubule-binding region can be detected in the cerebrospinal fluid. These, not phospho-tau or total tau, reflect neurofibrillary tangles in the Alzheimer’s brain.
Confronting unprecedented challenges this past year, scientists found ways to tide their research over and keep clinical trials mostly on track.
In cultured cells, lysosomal activity was necessary to enable tau seeds to break out of internalized exosomes and trigger the aggregation of tau in the cytosol.
Topline results suggested that the anti-inflammatory treatment stabilized cognition and function over six months. The trial did not include biomarkers.
New genetic variants emerged by harmonizing whole-exome-sequencing data across continents, and by using imputation to plumb the depths of existing GWAS. One variant encodes a microglial phospholipid transporter.
At AAT-ADPD, researchers report how they built on prior reports that a person’s blood level of p-tau181 tells if they have Alzheimer’s.
The first topline Phase 2 results from an antibody targeting Parkinson’s pathology, Roche’s prasinezumab, were a mixed bag. Next steps are unclear.
Subtle memory deficits resolved after volunteers stopped taking the Novartis BACE inhibitor.
