Mannose Binding Lectin Gene Haplotype in Iranian Patients with Hepatitis C Infection

1Associate Professor of Gastroenterology, Liver and Gastrointestinal Disease Research Center, Tabriz University of Medical Sciences, [email protected], Tabriz, IR.IRAN

2General Practitioner, Liver and Gastrointestinal Disease Research Center, Tabriz University of Medical Sciences, Tabriz, IR.IRAN

3Tabriz, IR.IRAN

Hepatitis Monthly:Vol. 7, issue 1; 21-26

Published online:Mar 31, 2007

Article type:Research Article

Received:Feb 10, 2006

Accepted:Oct 10, 2006

How to Cite:Somi M, Farhang S, Asgharzadeh M, Estakhry R, Pouri A. Mannose Binding Lectin Gene Haplotype in Iranian Patients with Hepatitis C Infection. Hepat Mon. 2007;7(1):. doi:

Abstract

Background and Aims: Persistent infection with hepatitis C virus (HCV) leads to liver cirrhosis (LC) and often to liverm cancer. Mannose binding lectin (MBL) is a C-type serum lectin, which plays an important role in innate immunity by activating the classical complement pathway. Variants of the MBL have been shown to be associated with low serum concentrations of the protein and to predispose to bacterial, fungal and viral infections. This study was undertaken to investigate the association between polymorphisms of MBL gene and hepatitis C virus infection.

Methods: We determined genotypes of two promoters and three exon 1 SNPs in mbl2 by SSP-PSR and grouped these genotypes according to related amount of functional MBL production in 100 patients infected with hepatitis C virus and 100 healthy blood donors in Iranian population. MBL gene mutations were determined by means of polymerase chain reaction and restriction fragment length polymorphism analyses.

Results: genotypes XA/O or O/O were significantly more frequent among patients infected with hepatitis C virus, where YA/YA genotype was more common among donors. Frequency of alleles X, Y, H and L did not have a significant difference between the two groups as well as alleles HYA, LYA nor LXA.

Conclusions: MBL may be one of the factors that influence the course of HCV infection. Additional study on subjects at a high risk for infection with hepatitis C may clarify the role of carriage for the variant allele of mbl2 in a life-long risk of infection.

Keywords

Mannose Binding Lectin

Haplotype

Hepatitis C

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Author(s):

Mohammad Somi:[PubMed][Scholar]
Sara Farhang:[PubMed][Scholar]
Mohammad Asgharzadeh:[PubMed][Scholar]
Rasoul Estakhry:[PubMed][Scholar]
Ali Pouri:[PubMed][Scholar]

Official Journal of Research Center for Gastroenterology and Liver Diseases

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Mannose Binding Lectin Gene Haplotype in Iranian Patients with Hepatitis C Infection

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