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Associations of common variants in genes involved in metabolism and response to exogenous chemicals with risk of multiple myeloma.

Authors: Gold, LS  De Roos, AJ  Brown, EE  Lan, Q  Milliken, K  Davis, S  Chanock, SJ  Zhang, Y  Severson, R  Zahm, SH  Zheng, T  Rothman, N  Baris, D 
Citation: Gold LS, etal., Cancer Epidemiol. 2009 Oct;33(3-4):276-80. doi: 10.1016/j.canep.2009.08.005. Epub 2009 Sep 6.
Pubmed: (View Article at PubMed) PMID:19736056
DOI: Full-text: DOI:10.1016/j.canep.2009.08.005

BACKGROUND: We examined risk of multiple myeloma (MM) associated with variants in genes involved in metabolism and response to exogenous chemicals [cytochrome P450 enzymes (CYP1B1, CYP2C9), epoxide hydrolase (EPHX1), paraoxonase 1 (PON1), arylhydrocarbon hydroxylase receptor (AHR), and NAD(P)H:quinone oxidoreductase (NQO1)]. METHODS: This study included 279 MM cases and 782 controls in a pooled analysis of two population-based case-control studies. One common variant from each candidate gene was genotyped using DNA from blood or buccal cells. We estimated risk of MM associated with each genotype, controlling for race, gender, study site, and age, using odds ratios (OR) and 95% confidence intervals (CI). RESULTS: Evaluations of the CYP1B1 V432L variant (rs1056836) suggested increased risk of MM among persons with the CG and GG genotypes compared to the CC genotype [OR (95% CI)=1.4 (1.0-2.0)]. Similar results were seen in analyses stratified by race and gender. We did not find any associations between MM and the CYP2C9, EPHX1, NQO1, or PON1 genes. CONCLUSIONS: CYP1B1 activates chemicals such as polycyclic aromatic hydrocarbons and dioxins to create oxidized, reactive intermediates, and higher gene activity has been shown for the G allele. We conducted the largest analysis to date on MM and these genetic variants and our results provide preliminary evidence that variation in CYP1B1 may influence susceptibility to MM.


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CRRD Object Information
CRRD ID: 11252116
Created: 2016-06-24
Species: All species
Last Modified: 2016-06-24
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.