Mannose-binding lectin 2 (MBL2) combined genotypes deficiency is associated with susceptibility for oral lichen planus

Vania Polesello, Ludovica Segat, Matteo Biasotto, Giulia Ottaviani, Margherita Gobbo, Roberto Di Lenarda, Sergio Crovella, Luisa Zupin

Research output: Contribution to journalArticlepeer-review

Abstract

Oral Lichen Planus (OLP) is an oral inflammatory condition, mediated by host immune system reaction, presenting basal membrane damages with inflammatory lesions in the mouth and/or skin. In this study, the role of functional polymorphisms in the MBL2 gene, encoding for Mannose-Binding Protein C (MBP-C), a member of the innate immune response and an acute-phase protein able to activate the complement cascade, was investigated to assess a possible association with OLP susceptibility in Italian patients. Two variations at the promoter region (called H/L and X/Y) and three at the first exon (at codon 52, 54, and 57) of the MBL2 gene were analyzed in 69 OLP patients and 244 healthy controls from northeastern Italy. Considering the polymorphisms singularly, the MBL2 X allele and C/T genotype of the D allele (correlated with low MBP-C expression) were associated with susceptibility to develop OLP. Moreover, when taking into account MBL2 combined genotypes, more OLP patients were deficient MBP-C producers than not deficient, who were more represented among healthy controls. MBL2 combined genotypes, responsible for deficient MBP-C production, are associated with an increased risk of developing OLP.

Original languageEnglish
Pages (from-to)9-14
Number of pages6
JournalGenetics and Molecular Biology
Volume42
Issue number1
DOIs
Publication statusPublished - Jan 1 2019

Keywords

  • Mannose-binding protein-C
  • MBL2
  • Oral lichen planus
  • Polymorphisms

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics

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