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Pakistan Journal of Biological Sciences

Year: 2007  |  Volume: 10  |  Issue: 11  |  Page No.: 1850 - 1854

Mannose-Binding Lectin Gene and Promoter Polymorphism in Visceral Leishmaniasis Caused by Leishmania infantum

Mohammad Asgharzadeh, Abdolsamad Mazloumi, Hossein Samadi Kafil and Ardavan Ghazanchaei


Visceral leishmaniasis is an infectious disease caused by various species of Leishmania and Leishmania infantum is known to be associated with VL in Iran. Different factors can consider risk factors for VL that some remain unknown. The aim of present study is to determine the distribution of the alleles of mannose-binding lectin gene codon 52, 54, 57 and promoter variants H/L, X/Y, P and Q in confirmed VL patients while compares then with normal controls and seek correlation between these variants and confirmed VL patients. Fifty eight confirmed VL patients blood samples were compared with one hundred and twenty normal controls from Azarbaijan population of Iran. MBL genotypes were investigated by polymerase chain reaction and restriction fragment length polymorphism. Allelic and genotypic frequency of the polymorphism at promoters and genes didn't show statistical differences in patients and normal controls, but frequency of alleles with high MBL concentration in VL patients was higher than controls (p = 0.03). We can conclude that normal alleles with high MBL serum level are risk factor for VL and defective alleles have protective role in VL.

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