Disease Markers

Disease Markers / 2012 / Article

Open Access

Volume 32 |Article ID 757302 | 8 pages | https://doi.org/10.3233/DMA-2012-0892

Association of the Wild-Type A/A Genotype of MBL2 Codon 54 with Asthma in a North Indian Population

Received08 Mar 2012
Accepted08 Mar 2012

Abstract

Background: High serumMBL level as well as polymorphisms in the mannose-binding lectin 2 (MBL2) gene resulting in MBL deficiency are involved in the mechanism of a number of non-infectious diseases such as asthma, conferring either risk or protection in different population studies. MBL being the first reactant of the MBL pathway is also a major determinant of the fate of the anaphylatoxins such as C3a and C5a, which are also pro-inflammatory mediators. The MBL2 gene polymorphisms thus control the serum levels of MBL as well as C3a and C5a.Objective: This is the first case-control study conducted in India, investigating the role of MBL2 codon 54 A/B polymorphism in asthma pathogenesis.Methods: A case-control study was performed with a total of 992 adult subjects, including 410 adult asthmatics and 582 healthy controls from regions of North India. The MBL2 codon 54 A/B polymorphism was genotyped by PCR-RFLP.Results: Statistical analysis for the codon 54 polymorphism revealed that the wild (A) allele was significantly associated with asthma with OR = 1.9, 95% CI (1.4–2.4), and p < 0.001.Conclusion: The MBL2 codon 54 A/B polymorphism is significantly associated with asthma and its phenotypic traits as the wild (A/A) genotype confers a significant risk towards the disease in the studied North Indian population.

Copyright © 2012 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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