Abstract
Since antiretroviral drugs have been introduced to prevent mother-to-child transmission, the risk of HIV-1 infection in infants has decreased considerably worldwide. Nevertheless, many factors are involved in viral transmission and host susceptibility to infection. The immune system and its components, including mannose binding protein C (encoding by MBL2 gene), are already known to play an important role in this scenario. In the present study, 313 children and 98 of their mothers from Zambia were genotyped for the MBL2 promoter HL (rs11003125) and XY (rs7096206) polymorphisms and exon 1 D (rs5030737, at codon 52) B (rs1800450, at codon 54) and C (rs1800451, at codon 57) polymorphisms in order to investigate the potential role of these genetic variants in HIV-1 mother-to-child transmission. No statistical significant association was observed comparing transmitter and non-transmitter mothers and also confronting HIV-positive and HIV-negative children. The findings of the current study obtained on mother and children from Zambia evidence lack of association between MBL2 functional polymorphisms and HIV-1 mother-to-child transmission.
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Acknowledgments
This work has been supported by RC06/11 and RC13/12 grants from IRCCS Burlo Garofolo Trieste (Italy). This study was supported in part by grants from the Eunice Kennedy Shriver, National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH) (HD39611, HD40777, HD57617). VP is recipient of fellowship from IRCCS Burlo Garofolo.
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All women provided written informed consent for participating in the study.
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All the study experiments and procedures have been performed in accordance with ethical standards of the 1975 Declaration of Helsinki (6th revision, 2008), and the ethical committee of IRCCS Burlo Garofolo approved the study (protocol L-1106, 1 May 2010).
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Zupin, L., Polesello, V., Segat, L. et al. MBL2 genetic polymorphisms and HIV-1 mother-to-child transmission in Zambia. Immunol Res 64, 775–784 (2016). https://doi.org/10.1007/s12026-015-8779-1
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DOI: https://doi.org/10.1007/s12026-015-8779-1