Key result
Increased extracellular zinc bioavailability and subsequent zinc influx via Zip6 augmented ZAP70 phosphorylation, sustained calcium influx, and facilitated T cell proliferative responses.
Why the study?
Does activation-induced zinc influx regulate T cell receptor signaling?
Population
T cells (preclinical model)
Comparison
T cell receptor triggering and modulation of… vs Control conditions (implied)
Design
Preclinical
Authors
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Zinc modulation of T cell responses remains experimental; leaves open human disease relevance and therapeutic targeting.
Does activation-induced zinc influx regulate T cell receptor signaling?
Zinc acts as an ionic signaling molecule following T cell activation, modulating TCR signaling thresholds and facilitating proliferative responses.
Yu et al. (2011) studied T cell activation. Extracellular zinc / Zinc influx vs. Silencing zinc transporter Zip6 / Suboptimal stimuli was evaluated on Cytoplasmic zinc concentrations and T cell receptor signaling. Increased extracellular zinc bioavailability and subsequent zinc influx via Zip6 augmented ZAP70 phosphorylation, sustained calcium influx, and facilitated T cell proliferative responses.
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