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Title: Risk of meningioma and common variation in genes related to innate immunity.
Authors: Rajaraman P,  Brenner AV,  Neta G,  Pfeiffer R,  Wang SS,  Yeager M,  Thomas G,  Fine HA,  Linet MS,  Rothman N,  Chanock SJ,  Inskip PD
Journal: Cancer Epidemiol Biomarkers Prev
Date: 2010 May
Branches: BB, CGR, LTG, OEEB, REB
PubMed ID: 20406964
PMC ID: PMC3169167
Abstract: BACKGROUND: The etiology of meningioma, the second most common type of adult brain tumor in the United States, is largely unknown. Prior studies indicate that history of immune-related conditions may affect the risk of meningioma. METHODS: To identify genetic markers for meningioma in genes involved with innate immunity, we conducted an exploratory association study of 101 meningioma cases and 330 frequency-matched controls of European ancestry using subjects from a hospital-based study conducted by the National Cancer Institute. We genotyped 1,407 "tag" single nucleotide polymorphisms (SNP) in 148 genetic regions chosen on the basis of an r2>0.8 and minor allele frequency of >5% in Caucasians in HapMap1. Risk of meningioma was estimated by odds ratios and 95% confidence intervals. RESULTS: Seventeen SNPs distributed across 12 genetic regions (NFKB1 (3), FCER1G (3), CCR6 (2), VCAM1, CD14, TNFRSF18, RAC2, XDH, C1D, TLR1/TLR10/TLR6, NOS1, and DEFA5) were associated with the risk of meningioma with P<0.01. Although individual SNP tests were not significant after controlling for multiple comparisons, gene region-based tests were statistically significant (P<0.05) for TNFRSF18, NFKB1, FCER1G, CD14, C1D, CCR6, and VCAM1. CONCLUSIONS AND IMPACT: Our results indicate that common genetic polymorphisms in innate immunity genes may be associated with risk of meningioma. Given the small sample size, replication of these results in a larger study of meningioma is needed.