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Voltage-dependent T-type calcium channel subunit alpha-1H

Molecular classification
Ion channel, Voltage-gated calcium channel
01

Overview

The voltage-dependent T-type calcium channel subunit alpha-1H (Ca_v3.2) is a pore-forming subunit of T-type calcium channels. These channels are activated by small depolarizations and mediate Ca^2+ influx, playing crucial roles in neuronal excitability, cardiac pacemaking, and endocrine function. Mutations in CACNA1H are linked to epilepsy and autism spectrum disorder.

Other names
CACNA1HCa_v3.2T-type calcium channel alpha 1H subunit
02

Mechanism of action

T-type calcium channel blockers reduce neuronal excitability by inhibiting Ca^2+ influx through the Ca_v3.2 channel.

03

Biological functions

Calcium ion transmembrane transportRegulation of neuronal excitabilityPacemaking activitySynaptic transmissionAldosterone production signaling pathway
04

Disease associations

EpilepsyChildhood Absence Epilepsy (CAE)Idiopathic Generalized Epilepsy (IGE)Autism Spectrum DisorderCardiovascular disease
05

Interacting drugs

Nickel ions

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