期刊
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY
卷 120, 期 3, 页码 666-672出版社
MOSBY-ELSEVIER
DOI: 10.1016/j.jaci.2007.04.036
关键词
measles vaccine; single nucleotide polymorphisms; signaling lymphocyte activation molecule; CD46; measles virus receptors
资金
- NCRR NIH HHS [M01-RR00585] Funding Source: Medline
- NIAID NIH HHS [AI 48793, AI 33144] Funding Source: Medline
Background: Measles infection requires 2 cellular receptors, signaling lymphocyte activation molecule (SLAM) and CD46. Known and novel single nucleotide polymorphisms (SNPs) in SLAM and CD46 genes might influence the immune response to measles vaccine. Objective: We sought to identify SNP associations in SLAM and CD46 genes with variations in measles antibody response. Methods: We genotyped known SNPs in SLAM and CD46 genes in 339 subjects vaccinated with 2 doses of measles-mumps-rubella vaccine. We also sequenced the measles virus-binding domains of SLAM and CD46 to identify novel SNPs. Results: Increased representation of minor alleles for rs3796504 and rs164288 in the SLAM gene was associated with an allele dose-related decrease (4-fold) in measles-specific antibodies. Heterozygous genotype TC for rs12076998 located in the untranslated region 33 bp upstream of the measles virus-binding domain of the SLAM gene was associated with higher median antibody levels (1991 vs 1467 IU/L, P =.01) compared with wild-type TT. Within the CD46 gene, the minor allele C for intronic SNP (rs11118580) was associated with an allele dose-related decrease in measles antibodies (1072 vs 1795 IU/L, P <.01). Decreases in minor allele counts for rs3796504, rs164288, and rs1118580 demonstrated a significant (P <.001) additive effect on measles-specific antibodies. Conclusion: Our data suggest that specific SNPs present in both the SLAM and CD46 genes are associated with measurable and significant variations in antibody response after measles vaccination. Clinical implications: Understanding the immunogenetics of measles vaccine receptors is important to better understand variations in immune responses to vaccines and to design better vaccines.
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