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Updated: Jun 17, 2026

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
Published on: June 21, 2018
2'-5'-Oligoadenylate synthetase single-nucleotide polymorphisms and haplotypes are associated with variations in
Iana H Haralambieva1, Neelam Dhiman, Inna G Ovsyannikova
1Mayo Clinic Vaccine Research Group, Mayo Clinic, Rochester, MN, USA.
Abstract:
Interferon-induced antiviral genes are crucial players in innate antiviral defense and potential determinants of immune response heterogeneity. We selected 114 candidate single-nucleotide polymorphisms (SNPs) from 12 antiviral genes using an LD tagSNP selection approach and genotyped them in a cohort of 738 school children immunized with two doses of rubella vaccine. Associations between SNPs/haplotypes and rubella virus-specific immune measures were assessed using linear regression methodologies. We identified 23 significant associations (p < 0.05) between polymorphisms within the 2'-5'-oligoadenylate synthetase (OAS) gene cluster, and rubella virus-specific IL-2, IL-10, IL-6 secretion, and antibody levels. The minor allele variants of three OAS1 SNPs (rs3741981/Ser162Gly, rs1051042/Thr361Arg, rs2660), located in a linkage disequilibrium block of functional importance, were significantly associated with an increase in rubella virus-specific IL-2/T(h)1 response (p
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