Association of IL-10 Gene Polymorphisms and Human T Lymphotropic Virus Type I-Associated Myelopathy/tropical Spastic Paraparesis in North-East of Iran (Mashhad)

نویسندگان

Abbas Shirdel Department of Hematology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Aghigh Ziaee Immunology Research Centre, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Houshang Rafatpanah Inflammation and Inflammatory Disease Research Centre, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Ian Hutchinson Immunology Research Group, Faculty of Life Sciences, The University of Manchester, United Kingdom

Mahmoud Reza Azarpazhooh Neurology Department, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Maryam Sahebari Rheumatic Diseases Research Centre, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Mohsen Ghanbari Immunology Research Centre, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Seyedeh Zahra Mirfeizi Rheumatic Diseases Research Centre, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

چکیده مقاله:

The underlying mechanisms leading to the development of human T-cell lymphotropic virus type I (HTLV-I) associated myelopathy/tropical spastic paraparesis (HAM/TSP) in HTLV-I infected individuals are not fully understood. Host genetic factors appear to be involved as risk factors for developing HAM/TSP. We investigated the possible contribution of interleukin-10 (IL-10) as a risk factor to HAM/TSP by comparing frequencies of promoter region single nucleotide polymorphisms in HTLV-I infected Iranian patients who either remained asymptomatic or developed HAM/TSP and asymptomatic HTLV-I carriers. Healthy, uninfected individuals from the same region served as healthy controls. Significant differences were observed in the distribution of IL-10 promoter alleles and genotypes at position -819 and -592 between HAM/TSP patients and healthy controls (P=0.01), and between HTLV-I carriers and healthy controls (P=0.02). The frequency of the low IL-10 producer haplotype (-1082*A, -819*T, -592*A) was significantly associated with HTLV-I carriage or HAM/TSP compared with healthy controls (P= 0.02 and 0.01, respectively). Our results suggest that IL-10 -819*T and -592*A alleles are significant risk factors for developing HTLLV-I infection but do not appear to convey additional risk for developing HAM/TSP

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منابع مشابه

Association of IL-10 Gene Polymorphisms and Human T Lymphotropic Virus Type I-Associated Myelopathy/tropical Spastic Paraparesis in North-East of Iran (Mashhad)

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association of il-10 gene polymorphisms and human t lymphotropic virus type i-associated myelopathy/tropical spastic paraparesis in north-east of iran (mashhad)

the underlying mechanisms leading to the development of human t-cell lymphotropic virus type i (htlv-i) associated myelopathy/tropical spastic paraparesis (ham/tsp) in htlv-i infected individuals are not fully understood. host genetic factors appear to be involved as risk factors for developing ham/tsp. we investigated the possible contribution of interleukin-10 (il-10) as a risk factor to ham/...

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Polymorphism in the interleukin-10 promoter affects both provirus load and the risk of human t lymphotropic virus type I (HTLV-I) associated myelopathy/tropical spastic paraparesis

To investigate candidate genes that influence the risk of HTLV-I associated myelopathy/tropical spastic paraparesis (HAM/TSP), we analyzed 6 single nucleotide polymorphisms (SNP) in the interleukin-10 (IL-10) promoter region. METHODS: 280 cases of HAM/TSP patients and 255 HTLV-I seropositive asymptomatic carriers (HCs) from Kagoshima, Japan were studied. All subjects gave written informed conse...

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