Clinical endocrinology · 2001
HLA-DRB3*0101 is associated with Graves' disease in Jamaicans.
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Smikie M F, Pascoe R W, Barton E, Morgan O, Christian N, Dowe G, Roye-Green K, Bailey V, James O
Аннотация
OBJECTIVES: Graves' disease is associated with different human leucocyte antigen (HLA) genes in different populations. This studywasdesigned to examinethe HLA class II associations with Graves' disease in Jamaicans.
PATIENTS: One hundred and six Jamaicans with Graves' disease and 104 controls.
DESIGN: Oligotyping for HLA-DRB1, DRB3, DQA1 and DQB1 alleles was performed using the polymerase chain reaction sequence specific oligonucleotide probe (PCR-SSOP) technique. RESULTS The frequency of HLA-DRB3 *0101 was increased significantly in the patients compared to controls (38.7% vs. 19.2%; RR = 2.72; Pc < 0.015). The protective alleles for Graves' disease were DRB1 *0901 (0.9% vs. 20.2%; RR = 0.04; Pc < 0.001), DRB1*1001 (0.0% vs. 11%; RR = 0.0%; Pc < 0.01) and DRB4 *0101 (0.0% vs. 12.5%; RR = 0.0; Pc < 0.05). A high female to male ratio of Graves' disease, 25 :1, was observed. Other associated autoimmune diseases were rare and no significant HLA class II associations were found with clinical markers of disease.
CONCLUSIONS: Jamaican patients with Graves' disease share the DRB3 *0101 susceptible allele and the DRB4 *01 protective allele but not the susceptible haplotype DRB1 *0301, DRB3*0101, DQA1*0501 with Caucasians.
PATIENTS: One hundred and six Jamaicans with Graves' disease and 104 controls.
DESIGN: Oligotyping for HLA-DRB1, DRB3, DQA1 and DQB1 alleles was performed using the polymerase chain reaction sequence specific oligonucleotide probe (PCR-SSOP) technique. RESULTS The frequency of HLA-DRB3 *0101 was increased significantly in the patients compared to controls (38.7% vs. 19.2%; RR = 2.72; Pc < 0.015). The protective alleles for Graves' disease were DRB1 *0901 (0.9% vs. 20.2%; RR = 0.04; Pc < 0.001), DRB1*1001 (0.0% vs. 11%; RR = 0.0%; Pc < 0.01) and DRB4 *0101 (0.0% vs. 12.5%; RR = 0.0; Pc < 0.05). A high female to male ratio of Graves' disease, 25 :1, was observed. Other associated autoimmune diseases were rare and no significant HLA class II associations were found with clinical markers of disease.
CONCLUSIONS: Jamaican patients with Graves' disease share the DRB3 *0101 susceptible allele and the DRB4 *01 protective allele but not the susceptible haplotype DRB1 *0301, DRB3*0101, DQA1*0501 with Caucasians.