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Lactotransferrin gene functional polymorphisms do not influence susceptibility to human immunodeficiency virus-1 mother-to-child transmission in different ethnic groups

By Luisa Zupin, Vania Polesello, Antonio Victor Campos Coelho, Michele Boniotto, Luiz Claudio Arraes, Ludovica Segat and Sergio Crovella

Abstract

Lactotransferrin, also known as lactoferrin, is an iron binding glycoprotein that displays antiviral activity against many different infectious agents, including human immunodeficiency virus (HIV)-1. Lactotransferrin is present in the breast milk and in the female genitourinary mucosa and it has been hypothesised as a possible candidate to prevent mother-to-child HIV-1 transmission. To verify if two functional polymorphisms, Thr29Ala and Arg47Lys, in the lactotransferrin encoding gene (LTF) could affect HIV-1 infection and vertical transmission, a preliminary association study was performed in 238 HIV-1 positive and 99 HIV-1 negative children from Brazil, Italy, Africa and India. No statistically significant association for the Thr29Ala and Arg47Lys LTF polymorphisms and HIV-1 susceptibility in the studied populations was found. Additionally LTF polymorphisms frequencies were compared between the four different ethnic groups

Topics: AIDS, HIV-1, Innate immunity, Lactoferrin, SNPs, Vertical transmission, Microbiology (medical)
Year: 2015
DOI identifier: 10.1590/0074-02760140447
OAI identifier: oai:arts.units.it:11368/2839568

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