SUSCEPTIBILITY OF HUMAN LEUKOCYTES ANTIGENS HLA-DRB1 TO TOXOPLASMA GONDII INFECTION WITH PREGNANCYJournal: International Journal of Medicine and Pharmaceutical Sciences (IJMPS) (Vol.5, No. 6)
Publication Date: 2015-12-31
Authors : Batool Mutar Mahdi; Israa Mohammad Abd Al-Khaliq; Ali Hussein Alwan;
Page : 65-70
Keywords : Toxoplasma; Genetic; HLA;
Background Toxoplasma gondii is an intracellular parasite which infects a widespread in humans and mammalian hosts and can cause severe disease in immune-compromised persons due to reactivation of a previous latent infection, and can be life-threatening disease. Aim of the Study To investigate whether an immunogenetic (HLA-DRB1) predisposition exists in mothers infected with Toxoplasma gondii parasite. Patients and Methods Thirty unrelated women with first trimester miscarriage, their age ranged from 18-35 years, referred to Private Clinics at Baghdad were enrolled in this study from January, 2014 through September, 2015.Thirty normal non pregnant women with negative obstetric history of abortion ethnically matched with patients group selected as control group. 18-34 years. DNA was extracted , amplification and hybridization was performed using a panel of sequencespecific oligonucleotide probes (SSOP) using HLA-DRB1amplification and hybridization kits (SSO HLA type DRB1 plus and master mix for HLA type DRB1 amp. plus kits -Innogenetics-Belgium) using automated method by Auto Lipa ? 48Innogenetics-Belgum. The results were interpreted using LiRas version-5.0 software-Innogenetics-Belgium. Results There was an increased frequency of HLA-DRB1*03:01:01 in patients with Toxoplasma compared with healthy controls ( P< 0.024, odd ratio=4.33, 95% CI:1.20 ?15.60).The other alleles HLA-DRB1* 04:03:01 and HLADRB1* 11:01:01 were also increased in Toxoplasma patients and not detected in control group. Conclusions There is a significant association between Toxoplasma infection and HLA-DRB1*03:01:01 in Iraqi Arab Muslims patients.This study was conducted with a small sample. We suggest further studies with larger sample.
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