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  • Title: Polymorphisms in the MBL2 promoter correlated with risk of HIV-1 vertical transmission and AIDS progression.
    Author: Boniotto M, Crovella S, Pirulli D, Scarlatti G, Spanò A, Vatta L, Zezlina S, Tovo PA, Palomba E, Amoroso A.
    Journal: Genes Immun; 2000 Jun; 1(5):346-8. PubMed ID: 11196698.
    Abstract:
    We investigated the polymorphisms of the promoter region of the MBL2 gene, which codifies for the Mannose-binding protein (MBP). The study population included 90 children with vertically acquired HIV-infection, further divided on the basis of the disease rate, 27 HIV exposed-uninfected children, and 74 healthy control subjects matched for ethnic origin to evaluate the MBP involvement in the risk of HIV-1 infection and to assess the role of the MBP promoter in AIDS progression. A region of 380 bp in the promoter of the MBL2 gene was analysed by PCR and direct sequencing of both DNA strands. We found that the polymorphism at position -550 influences the risk of HIV-infection and AIDS progression. Also a 6 bp deletion at position -328 was correlated with HIV-1 infection. This study indicates that the promoter of the MBL2 gene influences vertical transmission of HIV and the course of perinatal infection.
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