The Role of Canonical Transient Receptor Potential Channels in Seizure and Excitotoxicity
AbstractCanonical transient receptor potential (TRPC) channels are a family of polymodal cation channels with some degree of Ca2+ permeability. Although initially thought to be channels mediating store-operated Ca2+ influx, TRPC channels can be activated by stimulation of Gq-coupled G-protein coupled receptors, or by an increase in intracellular free Ca2+ concentration. Thus, activation of TRPC channels could be a common downstream event of many signaling pathways that contribute to seizure and excitotoxicity, such as N-methyl-D-aspartate (NMDA) receptor-mediated Ca2+ influx, or metabotropic glutamate receptor activation. Recent studies with genetic ablation of various TRPC family members have demonstrated that TRPC channels, in particular heteromeric TRPC1/4 channels and homomeric TRPC5 channels, play a critical role in both pilocarpine-induced acute seizures and neuronal cell death. However, exact underlying mechanisms remain to be fully elucidated, and selective TRPC modulators and antibodies with better specificity are urgently needed for future research.
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Zheng, F.; Phelan, K.D. The Role of Canonical Transient Receptor Potential Channels in Seizure and Excitotoxicity. Cells 2014, 3, 288-303.
Zheng F, Phelan KD. The Role of Canonical Transient Receptor Potential Channels in Seizure and Excitotoxicity. Cells. 2014; 3(2):288-303.Chicago/Turabian Style
Zheng, Fang; Phelan, Kevin D. 2014. "The Role of Canonical Transient Receptor Potential Channels in Seizure and Excitotoxicity." Cells 3, no. 2: 288-303.