Abstract:Metal neurotoxicity is a global health concern. This paper summarizes the evidence for metal interactions with synaptic transmission and synaptic plasticity. Presynaptically metal ions modulate neurotransmitter release through their interaction with synaptic vesicles, ion channels, and the metabolism of neurotransmitters (NT). Many metals (e.g., Pb 2+ , Cd 2+ , and Hg + ) also interact with intracellular signaling pathways. Postsynaptically, processes associated with the binding of NT to their receptors, activ… Show more
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