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Войти в исследования Ocular immunology and inflammation · 2024
Frequency of HLA-B27 Haplotype Among Patients with Acute Anterior Uveitis and Controls in Ethiopia.
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Henok Samuel Hailemichael, Shibeshi Menen Ayalew, Yibrah Awot, Terefework Zewdu, Emebet Getahun Tabor, Kempen John H
Аннотация
PURPOSE: We compared the distribution of the HLA-B27 allele among Ethiopian patients with acute anterior uveitis (AAU) and controls without that disease.
METHODS: The clinical features of patients were collected from their medical records. HLA-B27 genotyping was performed for 64 patients, with AAU using the real-time polymerase chain reaction (RT-PCR), and the results were compared to those from a panel of 192 healthy, unrelated volunteer control participants (refraction patients and volunteers) free of signs of anterior uveitis. Other outcomes were assessed comparing HLA-B27 positive vs. negative patients.
RESULTS: The histocompatibility antigen HLA-B27 was identified in 6 out of 64 (9.4%) AAU patients, compared with 1.0% in controls (Odds Ratio = 9.8, 95% CI (1.93, 50.01)). Sub-group analysis of the cases revealed that patients with HLA-B27 positivity had a higher incidence of ocular hypertension (Odds Ratio = 5.93, 95% CI (1.29, 27.2)).
CONCLUSION: The antigen HLA-B27 was represented ~10-fold more frequently in the patient group than in the control group. HLA-B27 allele distribution in both cases and controls is lower than in reports from Caucasian and Asian populations, but similar to South Africa.
METHODS: The clinical features of patients were collected from their medical records. HLA-B27 genotyping was performed for 64 patients, with AAU using the real-time polymerase chain reaction (RT-PCR), and the results were compared to those from a panel of 192 healthy, unrelated volunteer control participants (refraction patients and volunteers) free of signs of anterior uveitis. Other outcomes were assessed comparing HLA-B27 positive vs. negative patients.
RESULTS: The histocompatibility antigen HLA-B27 was identified in 6 out of 64 (9.4%) AAU patients, compared with 1.0% in controls (Odds Ratio = 9.8, 95% CI (1.93, 50.01)). Sub-group analysis of the cases revealed that patients with HLA-B27 positivity had a higher incidence of ocular hypertension (Odds Ratio = 5.93, 95% CI (1.29, 27.2)).
CONCLUSION: The antigen HLA-B27 was represented ~10-fold more frequently in the patient group than in the control group. HLA-B27 allele distribution in both cases and controls is lower than in reports from Caucasian and Asian populations, but similar to South Africa.