HLA-DQB1

Immune System · HLA & Antigen Processing Presentation

Does an HLA-DQB1 finding diagnose an autoimmune condition?

HLA-DQB1 makes part of an immune protein that presents material for recognition by other immune cells. Some allele combinations affect susceptibility, but susceptibility and a confirmed autoimmune diagnosis are different findings.

Common Gene Name
major histocompatibility complex, class II, DQ beta 1
NCBI Gene ID
3119
Chromosome
6

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 (7 records)
Condition or drugEvidenceGrade / statusContextSource
NarcolepsyMedlinePlus related conditionAssociation type varies; no grade assigned hereView source
2013-03
Juvenile idiopathic arthritisMedlinePlus related conditionAssociation type varies; no grade assigned hereView source
2013-03
Celiac diseaseMedlinePlus related conditionAssociation type varies; no grade assigned hereView source
2013-03
Type 1 diabetesMedlinePlus related conditionAssociation type varies; no grade assigned hereView source
2013-03
Autoimmune Addison diseaseMedlinePlus related conditionAssociation type varies; no grade assigned hereView source
2013-03
Alopecia areataMedlinePlus related conditionAssociation type varies; no grade assigned hereView source
2013-03
RosaceaMedlinePlus related conditionAssociation type varies; no grade assigned hereView source
2013-03

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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