Volume 119, Issue 8 pp. 1970-1975
Epidemiology

Mannose-binding lectin-2 genetic variation and stomach cancer risk

Andrea Baccarelli

Corresponding Author

Andrea Baccarelli

EPOCA Epidemiology Research Centre, Maggiore Hospital IRCCS Foundation, University of Milan, Milan, Italy

Fax: +1-617-384-8745

Exposure, Epidemiology and Risk Program, Harvard School of Public Health, 401 Park Drive, Landmark Center, Suite 412F West, P.O. Box 15698, Boston, MA 02215, USASearch for more papers by this author
Lifang Hou

Lifang Hou

Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD

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Jinbo Chen

Jinbo Chen

Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD

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Jolanta Lissowska

Jolanta Lissowska

Division of Cancer Epidemiology and Prevention, Cancer Centre and M. Sklodowska-Curie Institute of Oncology, Warsaw, Poland

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Emad M. El-Omar

Emad M. El-Omar

Department of Medicine and Therapeutics, Institute of Medical Sciences, University of Aberdeen, Aberdeen, United Kingdom

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Paolo Grillo

Paolo Grillo

EPOCA Epidemiology Research Centre, Maggiore Hospital IRCCS Foundation, University of Milan, Milan, Italy

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Sara M. Giacomini

Sara M. Giacomini

EPOCA Epidemiology Research Centre, Maggiore Hospital IRCCS Foundation, University of Milan, Milan, Italy

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Meredith Yaeger

Meredith Yaeger

Core Genotyping Facility, Advanced Technology Center, National Cancer Institute, National Institutes of Health, Bethesda, MD

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Toralf Bernig

Toralf Bernig

Section on Genomic Variation, Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD

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Witold Zatonski

Witold Zatonski

Division of Cancer Epidemiology and Prevention, Cancer Centre and M. Sklodowska-Curie Institute of Oncology, Warsaw, Poland

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Joseph F. Fraumeni Jr

Joseph F. Fraumeni Jr

Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD

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Stephen J. Chanock

Stephen J. Chanock

Core Genotyping Facility, Advanced Technology Center, National Cancer Institute, National Institutes of Health, Bethesda, MD

Section on Genomic Variation, Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD

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Wong-Ho Chow

Wong-Ho Chow

Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD

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First published: 23 May 2006
Citations: 43

Abstract

Deficiency of the mannose-binding lectin (MBL) protein, an antigen-recognition molecule involved in systemic and mucosal innate immunity, is determined by variant alleles in MBL2 gene promoter and exon-1 regions. We conducted a population-based study on 305 stomach cancer cases and 427 controls in Warsaw, Poland to determine whether MBL2 gene variants predispose to stomach cancer. Single nucleotide polymorphisms (SNPs) in MBL2 were determined by TaqMan™. The 5 tested MBL2 variants are in complete linkage disequilibrium and comprise 6 different haplotypes. The risk of stomach cancer was increased in subjects carrying the H/H promoter genotype (OR = 1.8, 95%CI 1.1–2.9; p = 0.020) relative to L/L carriers, after adjustment for age, gender, education and smoking. Carrying at least one D exon-1 allele was associated with nonsignificant excess risk (OR = 1.5, 95% CI 0.9–2.4; p = 0.081). In haplotype analysis, the HYD haplotype was associated with increased risk of stomach cancer when compared with HYA, the most common haplotype (OR = 1.9, 95% CI 1.1–3.2; p = 0.021). In diplotype analysis, subjects carrying the YA/D haplotype combination showed the highest risk (OR = 3.0, 95% CI 1.2–7.1; p = 0.015), compared with YA/YA. Further analyses to examine the joint effect of MBL2 and IL-1B polymorphisms, previously shown to predispose to stomach cancer, indicated that the combination of at-risk IL-1B genotypes (CT or TT at location -511) and HYD MBL2 haplotype was associated with a 3.5-fold risk (OR = 3.5, 95% CI 1.6–7.6; p = 0.001). Our findings suggest that the codon 52 D MBL2 variant causing a cysteine > arginine replacement, but not B and C variants producing glycine substitutions, is specifically associated with gastric cancer risk. © 2006 Wiley-Liss, Inc.

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