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Identification of an association between HLA class II alleles and low antibody levels after measles immunization

机译:麻疹免疫后HLA II类等位基因与低抗体水平之间的关联的鉴定

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This is the first large cohort study to report a genetic association between humoral antibody level after measles vaccine and the HLA class II genes. The WHO goal to eradicate measles world-wide magnifies the importance of data relating to the influence of immunogenetics on measles vaccine-induced antibody responses. We present here the analysis of 242 individuals who received one dose of measles-mumps-rubella-II (MMR-II) vaccine at the age of 15 months and were genotyped for HLA class II alleles. These subjects fit into one of three categories, 72 were classified as seronegative, 93 were seropositive and 77 were serohyperpositive. HLA-DRB1*03 (odds ratio (OR). 2.22) and HLA-DPA1*0201 (OR, 1.71) were significantly associated with measles vaccine seronegativity, while additional alleles provided suggestive evidence of association with seronegativity: DQA1*0201 DQB1*0201. and DQA1*0501. The alleles DRB1*03 and DQA1*0201 remained statistically significant after accounting for the effects of other alleles. These findings are crucial in designing both measles eradication by the use of vaccine, and future vaccines to be used in genetically heterozygous populations.
机译:这是第一项大型研究,报告了麻疹疫苗接种后体液抗体水平与HLA II类基因之间的遗传关联。世卫组织在世界范围内根除麻疹的目标放大了有关免疫遗传学对麻疹疫苗诱导的抗体反应的影响的数据的重要性。我们在这里分析了242名在15个月大时接受一剂麻疹-腮腺炎-风疹-II(MMR-II)疫苗并进行了HLA II类等位基因基因分型的个体的分析。这些受试者属于以下三类之一:72例血清阴性,93例血清阳性,77例血清阳性。 HLA-DRB1 * 03(比值比(OR).2.22)和HLA-DPA1 * 0201(OR,1.71)与麻疹疫苗的血清阴性反应显着相关,而其他等位基因提供了与血清阴性反应相关的暗示证据:DQA1 * 0201 DQB1 * 0201 。和DQA1 * 0501。在考虑了其他等位基因的影响后,等位基因DRB1 * 03和DQA1 * 0201仍具有统计学意义。这些发现对于设计通过使用疫苗根除麻疹以及将来在遗传杂合子群体中使用的疫苗至关重要。

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