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Vacuolar pH regulates clathrin-mediated endocytosis through TORC1 signaling during replicative aging

4 months ago
Clathrin-mediated endocytosis (CME) is a critical cellular process that regulates nutrient uptake, membrane composition, and signaling. Although replicative aging affects many cellular functions, its impact on CME remains largely unknown. We show that in budding yeast, older cells have slower assembly of early and coat CME modules, resulting in longer endocytic turnover and reduced Mup1 internalization. This change in CME dynamics is mother cell-specific, and not observed in daughters. Our data...
Kenneth Gabriel Antenor

Air pollution and impulsive choice in aging: evidence from delay discounting

4 months ago
Heightened air pollution exposure is associated with an increased risk for developing neurodegenerative disorders such as Alzheimer's disease and Parkinson's disease, yet it is unclear how pollution impacts the aging brain more broadly. Rodent research has shown that higher air pollution exposure is associated with increased impulsive behavior, operationalized as a preference for immediate reward in delay discounting tasks. We examined this relationship in middle-aged and older humans by...
Maya R Kilcullen