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Updated: Jan 23, 2026

Single-Cell Calcium Imaging for Studying the Activation of Calcium Ion Channels
Published on: December 13, 2024
Non paraneoplastic immune-mediated calcium channel chorea
Travis T Morgan1, Alex Armitage1, Britt Stone1
1Department of Neurology, Baylor Scott & White HealthTempleTexas.
Abstract:
Antibodies to the N-type voltage-gated calcium channel have rarely been reported in association with chorea. Prior reported cases have been either paraneoplastic in nature or presented in the setting of other concurrent antibody elevations. Moreover, the identified studies showed only mild elevation of calcium channel antibodies. We present a case of chorea in association with an isolated serum elevation in N-type calcium channel antibodies and clinical improvement with intravenous immunoglobulin.
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