CACNA1G
Template:Short description Template:Cs1 config Template:Infobox gene Calcium channel, voltage-dependent, T type, alpha 1G subunit, also known as CACNA1G or Cav3.1 is a protein which in humans is encoded by the CACNA1G gene.[1][2][3] It is one of the primary targets in the pharmacology of absence seizure.
Function
Cav3.1 is a type of low-voltage-activated calcium channel, also known as "T-type" for its transient on and off.[1] It is expressed in thalamocortical relay nucleus, and is responsible for the slow-wave sleep and absence seizure.[4] During a slow-wave sleep, Cav3.1 is put into burst mode, and a self-sustaining synchronous cycle between cortex and thalamus is formed, sensory inputs are isolated from cortex; while awake the thalamus should instead relay sensory inputs from outside the central nervous system. The mechanism of absence seizure has a lot in common with slow-wave sleep. Therefore, a blocker that inhibits the burst mode activation of Cav3.1 is effective in treating absence seizures. Common drugs including ethosuximide, as well as trimethadione.[4]
Interactive pathway map
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See also
References
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External links
- Template:Replace at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
- Template:UCSC gene info
This article incorporates text from the United States National Library of Medicine, which is in the public domain.
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