Gabapentin, alpha2delta Ligand

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

The Calcium channel L type DHPR alpha 2 subunit also known as CACNA2D1 or alpha-2-delta plays a significant role in cellular calcium regulation. This subunit typically part of the voltage-gated calcium channel complex allows calcium ions to enter the cells following electrical stimuli. With a mass of about 150 kDa CACNA2D1 expresses predominantly in skeletal and cardiac muscle tissues and the central nervous system. Its presence across different tissues suggests various physiological roles linking its mechanical function to electrical signaling and muscle contraction.

Biological function summary

CACNA2D1 aids in modulating neurotransmitter release and excitation-contraction coupling. This protein often integrates into the larger voltage-gated calcium channel complex working in concert with other subunits to optimize calcium flow. This particular function supports critical processes in muscle cells and neurons integrating signals in response to electrical impulses. The alpha-2-delta ligand poses significance here as well often used to modify the channel's activity and study its role in cellular communication.

Pathways

CACNA2D1 actively participates in electrical signaling and muscle contraction pathways. It contributes to the excitation-contraction coupling pathway in muscle cells aligning closely with proteins like the ryanodine receptor ensuring efficient calcium-induced calcium release. Its action also extends to the neurotransmitter release pathway where it associates with synaptic proteins regulating neurotransmission. The function within these pathways underlines its importance in both muscle and neural activities.

CACNA2D1 associates with conditions such as epilepsy and neuropathic pain. The dysfunction in its channel activity can lead to altered calcium flow contributing to these disorders. The alpha-2-delta ligand such as the gabapentin chemical structure plays a role here often targeting the channel to mitigate symptoms. Gabapentin's influence highlights the therapeutic potential of targeting CACNA2D1 in disease management providing critical insights into neuromodulation treatments.