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Deep-coverage single-cell metabolomics enabled by ion mobility-resolved mass cytometry

2 weeks ago
Current single-cell metabolomics approaches are limited by insufficient sensitivity, robustness and metabolite coverage. We present an ion mobility-resolved mass cytometry technology that integrates high-throughput single-cell injection with ion mobility-mass spectrometry for multidimensional metabolomic profiling. Ion mobility-enabled selective ion accumulation and cell superposition-based amplification strategies substantially enhance sensitivity, robustness and overall analytical performance....
Mingdu Luo

Synaptic aging and neurodegeneration: the role of synaptic vesicle dynamics and neurotransmitter imbalance

2 weeks ago
Synaptic aging is a core manifestation of brain aging arising from the convergence of fundamental biological aging processes, including genomic instability, loss of proteostasis, mitochondrial dysfunction, oxidative stress, and chronic low-grade inflammation. As highly energy-dependent and protein-rich sites of neuronal communication, synapses are particularly vulnerable to age-associated molecular stress. Accumulating evidence indicates that age-related impairments in synaptic vesicle...
Pranay Wal

Viability of an educational program for lifestyle changes and an algorithm for the derivation of exercise programs in older people at risk of dependency at primary care: PRICA-POWFRAIL study protocol

2 weeks ago
BACKGROUND: This manuscript presents the study protocol of the PRICA-POWFRAIL randomized controlled trial. Frailty and pre-frailty are major predictors of functional decline and dependency in older adults, yet the implementation of personalized, scalable, and clinically interventions in primary care remains limited. This protocol describes the methodological design and planned evaluation of a lifestyle education programme and an individualized exercise-prescription algorithm aimed at improving...
Verónica Mihaiescu-Ion