The Journal of dermatological treatment · 2021
Evaluation of HLA class I and HLA class II allele profile and its relationship with clinical features in patients with alopecia areata: a case-control study.
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Hayran Yıldız, Gunindi Korkut Melek, Öktem Ayşe, Şen Orhan, Gür Aksoy Güneş, Özmen Füsun
Аннотация
BACKGROUND: Alopecia areata (AA) is an autoimmune disease where autoimmune dysregulations along with genetic susceptibility are hypothesized to play a role in pathogenesis.
OBJECTIVE: The aim of this study in to evaluate HLA-A, HLA-B, HLA-C, HLA-DQB1, and HLA-DRB1 profile and its relationship with clinical features in AA patients.
MATERIALS AND METHODS: Ninety-eight patients with AA and 100 healthy controls were included in the study. HLA-A, HLA-B, HLA-C, HLA-DQB1, and HLA-DRB1 frequencies were analyzed using polymerase chain reaction-sequence specific primers (PCR-SSP).
RESULTS: HLA-B*39 and HLA-HLA-DRB1*15 allele frequencies were increased (p = .022 and p = .023, respectively), HLA-A*11 and HLA-B*35 frequencies were decreased (p = .006 and p = .014, respectively) in AA patients. HLA-B*13 and HLA-DRB1*11 were associated with poor prognostic factors. A class I allele, HLA-B*13 was associated with recurrence (p = .023) and presence of nevus flammeus (p = .022), while the class II allele HLA-DRB1*11 was associated with widespread hair loss (diffuse or universal alopecia) (p = .026), presence of ophiasis (p = .049) and juvenile onset (p = .018).
CONCLUSION: Belonging to two different classes of HLA family, HLA-B*13 and HLA-DRB1*11 alleles identified separate set of risk factors. In addition to increasing the risk of AA, HLA alleles may affect the prognosis of the disease.
OBJECTIVE: The aim of this study in to evaluate HLA-A, HLA-B, HLA-C, HLA-DQB1, and HLA-DRB1 profile and its relationship with clinical features in AA patients.
MATERIALS AND METHODS: Ninety-eight patients with AA and 100 healthy controls were included in the study. HLA-A, HLA-B, HLA-C, HLA-DQB1, and HLA-DRB1 frequencies were analyzed using polymerase chain reaction-sequence specific primers (PCR-SSP).
RESULTS: HLA-B*39 and HLA-HLA-DRB1*15 allele frequencies were increased (p = .022 and p = .023, respectively), HLA-A*11 and HLA-B*35 frequencies were decreased (p = .006 and p = .014, respectively) in AA patients. HLA-B*13 and HLA-DRB1*11 were associated with poor prognostic factors. A class I allele, HLA-B*13 was associated with recurrence (p = .023) and presence of nevus flammeus (p = .022), while the class II allele HLA-DRB1*11 was associated with widespread hair loss (diffuse or universal alopecia) (p = .026), presence of ophiasis (p = .049) and juvenile onset (p = .018).
CONCLUSION: Belonging to two different classes of HLA family, HLA-B*13 and HLA-DRB1*11 alleles identified separate set of risk factors. In addition to increasing the risk of AA, HLA alleles may affect the prognosis of the disease.