CACNA1A
Nervous System · Neuronal Excitability & Ion Flux
How do calcium channels help nerve cells communicate?
CACNA1A makes part of a channel that controls calcium movement across cell membranes. Calcium entry helps couple electrical activity to communication and other cellular responses.
- Common Gene Name
- calcium voltage-gated channel subunit alpha1 A
- NCBI Gene ID
- 773
- Chromosome
- 19
Clinical Evidence Status
Clinical utility not established here
These labels describe available evidence about a gene. They do not classify your variant or recommend a treatment.
Answer Sources
Explore supporting evidence (5 records)
| Condition or drug | Evidence | Grade / status | Context | Source |
|---|---|---|---|---|
| Familial hemiplegic migraine | MedlinePlus related condition | Association type varies; no grade assigned here | View source 2023-05 | |
| Episodic ataxia | MedlinePlus related condition | Association type varies; no grade assigned here | View source 2023-05 | |
| Spinocerebellar ataxia type 6 | MedlinePlus related condition | Association type varies; no grade assigned here | View source 2023-05 | |
| Sporadic hemiplegic migraine | MedlinePlus related condition | Association type varies; no grade assigned here | View source 2023-05 | |
| 19p13.13 deletion syndrome | MedlinePlus related condition | Association type varies; no grade assigned here | View source 2023-05 |
Source snapshot: 2026-09-09. Consumer text updated: 2026-09-10. Source dates describe the cited records, not a new clinical review.
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