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Functional Modulation Of The Cav3.1 Calcium Channel By Alternative Splicing At The C-Terminus, Ruizhi Wang
Functional Modulation Of The Cav3.1 Calcium Channel By Alternative Splicing At The C-Terminus, Ruizhi Wang
Theses and Dissertations
The CACNA1G gene encodes for Cav3.1, the alpha-1G subunit of a low-voltage-activated T-type calcium channel, which plays crucial roles in cardiac and smooth muscle cells and neurons by influencing the transmembrane potentials and regulating intracellular Ca2+ signaling. Heterozygous missense mutations in the CACNA1G gene cause spinocerebellar ataxia-42 (SCA42), a heterogeneous group of neurodegenerative disorders characterized by brainstem and cerebellum degeneration, and mice that are null for this gene present severe motor coordination defects, abnormal electrical conductance in the heart, aberrant action potentials in the brain, disrupted sleeping patterns, and absence epilepsy. Different splice variants of Cav3.1 have been described, and …