Association Between Zika Virus Microcephaly in Newborns With the rs3775291 Variant in Toll-Like Receptor 3 and rs1799964 Variant at Tumor Necrosis Factor-α Gene.
case_control · Level III
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- Record sourced from PubMed, PMID 31352487.
- Also identified by DOI 10.1093/infdis/jiz392.
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Abstract
Congenital Zika syndrome (CZS) is a cluster of malformation, and the mechanisms that lead it are still unclear. Using hypothesis-driven candidate genes and their function in viral infections, single-nucleotide polymorphisms (SNPs) were genotyped by quantitative polymerase chain reaction in a sample population from Sergipe State, Brazil. This study shows that rs3775291 SNP at Toll-like receptor 3, which triggers type I interferon antiviral responses in mothers infected by Zika virus during pregnancy, is associated with CZS occurrence (odds ratio [OR], 2.19; 95% confidence interval [CI], 1.158-4.148). Moreover, rs1799964 SNP at tumor necrosis factor-α gene in CZS babies is associated with severe microcephaly (OR, 2.63; 95% CI, 1.13-6.21).
Medical subject headings
- Genotype
- Microcephaly
- Toll-Like Receptor 3
- Tumor Necrosis Factor-alpha
- Zika Virus Infection