Abstract
Hantaviruses belong to the family Bunyaviridae and cause hemorrhagic fever with renal syndrome (HFRS) in humans. β3 integrins, including αVβ3 and αIIbβ3 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-directional 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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Acknowledgments
We thank the physicians who assisted with sample collection and Dr. Jing Sun, School of Public Health, Wuhan University, for statistical assistance. We thank Dr. Rhea-Beth Markowitz, Georgia Regents University, USA, for editing assistance. This work was supported by grants from the National Natural Science Foundation of China (grant nos. 81101258, 81000734, and 81271819) and a grant from Hubei Province Health and Family Planning Scientific Research Project (grant no. WJ2015MB113).
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ORCID: 0000-0003-1439-455X
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All the authors declare that they have no conflicts of interest. Informed consent was obtained from all patients for whom identifying information is included in this article.
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XPC, HRX, and WH conceived and designed the research. XPC, HRX, NZ, and QZC carried out the experiments. XPC, HW, CJZ, MRW, SL, and FL analyzed the data. XPC, HRX, and WH wrote the paper. All authors have read and approved the final manuscript.
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Chen, XP., Xiong, HR., Zhu, N. et al. Lack of association between integrin αvβ3 gene polymorphisms and hemorrhagic fever with renal syndrome in Han Chinese from Hubei, China. Virol. Sin. 32, 73–79 (2017). https://doi.org/10.1007/s12250-016-3888-0
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DOI: https://doi.org/10.1007/s12250-016-3888-0