HLA-A

Immune System · HLA & Antigen Processing Presentation

How does HLA-A help immune cells inspect other cells?

HLA-A makes a class I HLA protein that displays small protein fragments on cell surfaces. This display allows cytotoxic T cells to monitor what is happening inside those cells.

Common Gene Name
major histocompatibility complex, class I, A
NCBI Gene ID
3105
Chromosome
6

Clinical Evidence Status

Drug-response evidence availableTumor or drug-label biomarker context

These labels describe available evidence about a gene. They do not classify your variant or recommend a treatment.

Answer Sources

Explore supporting evidence (4 records)
Condition or drugEvidenceGrade / statusContextSource
CarbamazepineFDA pharmacogeneticsPotential safety or response effectDrug-specific subgroupView source
Carbamazepine (2)FDA labeling biomarkerLabel mentions biomarker; actionability not inferredNeurologyView source
Ipilimumab (1)FDA labeling biomarkerLabel mentions biomarker; actionability not inferredOncologyView source
Tebentafusp-tebnFDA labeling biomarkerLabel mentions biomarker; actionability not inferredOncologyView source

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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