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2 weeks 1 day ago
Science, Volume 391, Issue 6783, Page 364-365, January 2026.
Corinne Simonti, and Jesse Smith, Bianca Lopez, Yevgeniya Nusinovich, Joana Osório, Corinne Simonti, Ian S. Osborne, Jack Huang, and Jelena Stajic

Evaluating Senescence-Targeted Approaches in Alzheimer's Disease: What We Know and What Lies Ahead

2 weeks 2 days ago
Alzheimer's disease (AD) is a progressive and irreversible neurodegenerative disease, which represents the most prevalent dementia worldwide. Although amyloid-β (Aβ) and tau pathology have been the classic focus of treatment, accumulating evidence indicates that ageing-associated cellular senescence plays a central role in AD pathogenesis. Senescent neurons, astrocytes, microglia and endothelial cells accumulate in the ageing and Alzheimer's brain and adopt a senescence-associated secretory...
Pratik Prashant Doshi

Cell type-specific gene regulatory atlas prioritizes drug targets and repurposable medicines in Alzheimer's disease

2 weeks 2 days ago
Alzheimer's disease (AD) is a complex and poorly understood neurodegenerative disorder that lacks sufficiently effective treatments. Computational and integrative analyses that leverage multiomics data provide a promising strategy to uncover disease mechanisms and identify therapeutic opportunities. Here, we develop a cell type-specific regulatory atlas of the human middle temporal gyrus via leveraging single-nucleus RNA-seq (1,197,032 nuclei) and ATAC-seq (740,875 nuclei) datasets from 84...
Yunxiao Ren

DNA nanodevices detect an acidic nanolayer on the lysosomal surface

2 weeks 2 days ago
Lysosomes maintain a highly acidic lumen to regulate H^(+)-dependent hydrolase-mediated degradation, but how protons are 'leaked' out to regulate organellar functions through cytosolic effectors remains unknown. Here we developed DNA nanodevices on the cytosolic leaflet of lysosomal membranes to monitor juxta-organellar pH in cells. Unexpectedly, we revealed a radiating acidic layer (up to 21 nm in thickness) on the outer surface of all lysosomes, typically 0.2-0.7 pH units more acidic than the...
Yutong Zhang