【摘 要】
：
Hantaviruses belong to the family Bunyaviridae and cause hemorrhagic fever with renal syndrome (HFRS) in humans.β3 integrins,including αvβ3 and α11bβ3 integrins,act as receptors on endothelial cells and play key roles in cellular entry during the pathogen
【机 构】
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State Key Laboratory of Virology, Institute of Medical Virology, School of Basic Medical Sciences, W
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Hantaviruses belong to the family Bunyaviridae and cause hemorrhagic fever with renal syndrome (HFRS) in humans.β3 integrins,including αvβ3 and α11bβ3 integrins,act as receptors on endothelial cells and play key roles in cellular entry during the pathogenesis of hantaviruses.Previous study demonstrated that the polymorphisms of integrin αⅡbβ3 are associated with susceptibility to hantavirus infection and the disease severity of HFRS in Shaanxi Province of China,rather than in Finland.However,the polymorphisms of integrin αvβ3 in patients with HFRS was incompletely understood.Here,we aimed to investigate the associations between polymorphisms in human integrin αvβ3 and HFRS in Han Chinese individuals.Ninety patients with HFRS and 101 healthy controls were enrolled in this study.Analysis of five single nucleotide polymorphism (SNP) sites (rs3768777 and rs3738919 on ITGAV;rs13306487,rs5921,and rs5918 on ITGB3) was performed by TaqMan SNP genotyping assays and bi-directionai PCR allele-specific amplification method.No significant differences were observed between the HFRS group and controls regarding the genotype and allele frequency distributions of any of the five SNP sites,and no associations were found between ITGAV polymorphisms/genotypes and disease severity.In conclusion,our results implied that these five SNPs in the integrin αvβ3 gene were not associated with HFRS susceptibility or severity in Han Chinese individuals in Hubei Province.
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