Mannose Binding Lectin-Associated Serine Protease 2 (Masp2) Gene Polymorphism and Susceptibility to Human T-Lymphotropic Virus Type 1 (Htlv-1) Infection in Blood Donors From Mashhad, Iran Publisher Pubmed



Aghamohammadi A¹ ; Rafatpanah H² ; Maghsoodlu M¹ ; Tohidi N³ ; Mollahosseini F⁴ ; Shahabi M¹ Show Affiliations
Source: Microbiology and Immunology Published:2022

Abstract

Mannose binding lectin-associated serine protease 2 (MASP2) is the effector part of mannose binding lectin (MBL) that activates the complement system in an antibody-independent manner. We aimed to investigate the role of genetic polymorphisms in the MASP2 gene and susceptibility to HTLV-1 infection. A total of 172 HTLV-1 infected individuals and 170 healthy blood donors were analyzed in this case–control study. Nine single nucleotide polymorphisms (SNPs) encompassing different regions of the MASP2 gene were genotyped with a polymerase chain reaction-sequence-specific primer (PCR-SSP) assay. The relation between the SNPs genotype and the susceptibility to HTLV-1 infection was investigated with a χ2 test considering P < 0.05 as statistically significant. Two of nine tested SNPs were associated with the risk of HTLV-1 infection. The genotype TT at rs17409276 decreased the risk of HTLV-1 (P = 0.005, OR = 0.301, 95% CI = 0.124–0.728). The genotypes CC and CT at rs2273346 were also associated with a higher risk of HTLV-1 acquisition (P = 0.004, OR = 2.225, 95% CI = 1.277–3.877). These findings highlight the importance of MASP2 genetic polymorphisms in the lectin pathway of complement activation and susceptibility to HTLV-1 infection. © 2022 The Societies and John Wiley & Sons Australia, Ltd.