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HLA alleles associated with JIA subtypes.
| Subtype of JIA | Predisposing Allele | Protective Allele |
|---|---|---|
| Oligoarthritis and polyarthritis RF-negative | A2, DRB1*01,DRB1*08, DRB1*11, DRB1*13,DPB1*02,DPB1*03, DQB1*04, | DRB1*04, DRB1*07,DRB1*15:01 |
| Polyarthritis RF-positive | DRB1*04:01,DRB1*04:05 | |
| Systemic JIA | HLA-DRB1*11 | |
| Enthesitis-related JIA | B*27:04,B*27:05 |
