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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
2011-5-20
pubmed:abstractText
We determined the association between charred meat consumption, cigarette smoking, microsomal epoxide hydrolase (mEH) polymorphisms (rs1051740 and rs2234922), and colorectal adenomas and hyperplastic polyps (HPs) and explored gene-environment interactions. Men and women with colorectal adenomas (n = 519), HPs (n = 691), or concurrently with both types of polyps (n = 227) and polyp-free controls (n = 772) receiving a colonoscopy from December 2004 to September 2007 were recruited. Participants completed telephone interviews and provided buccal cell samples; genotyping of mEH was completed using Taqman assays. We conducted polytomous regression and calculated odd ratios (OR) and 95% confidence intervals. Interactions were evaluated using Wald chi-square tests. Consumption of >3 servings of charred meat per week was associated with distal HPs (OR = 2.0, 1.2-3.4) but not adenomas nor either type of proximal polyp. Heavy cigarette smoking (? 22 pack-years) was associated with an increased risk for colorectal adenomas (OR = 1.7, 95% CI: 1.2-2.4), HPs (OR = 2.4, 95% CI: 1.7-3.3), and both types (OR = 2.8, 95% CI: 1.8-4.3) with the strongest association for distal polyps. There was no association between mEH genotype and colorectal polyps, nor were any statistically significant gene-environment interactions identified. Future investigation of BaP exposure and colorectal neoplasia should analyze whether associations are dependent upon anatomic location.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
1532-7914
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
63
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
583-92
pubmed:dateRevised
2011-9-26
pubmed:meshHeading
pubmed-meshheading:21598178-Adult, pubmed-meshheading:21598178-Aged, pubmed-meshheading:21598178-Animals, pubmed-meshheading:21598178-Benzo(a)pyrene, pubmed-meshheading:21598178-Colonic Polyps, pubmed-meshheading:21598178-Colonoscopy, pubmed-meshheading:21598178-Colorectal Neoplasms, pubmed-meshheading:21598178-Cooking, pubmed-meshheading:21598178-Epoxide Hydrolases, pubmed-meshheading:21598178-Female, pubmed-meshheading:21598178-Genotype, pubmed-meshheading:21598178-Hot Temperature, pubmed-meshheading:21598178-Humans, pubmed-meshheading:21598178-Hyperplasia, pubmed-meshheading:21598178-Logistic Models, pubmed-meshheading:21598178-Male, pubmed-meshheading:21598178-Meat, pubmed-meshheading:21598178-Middle Aged, pubmed-meshheading:21598178-Multivariate Analysis, pubmed-meshheading:21598178-Polymorphism, Single Nucleotide, pubmed-meshheading:21598178-Risk Factors, pubmed-meshheading:21598178-Smoking, pubmed-meshheading:21598178-Young Adult
pubmed:year
2011
pubmed:articleTitle
Colorectal polyp type and the association with charred meat consumption, smoking, and microsomal epoxide hydrolase polymorphisms.
pubmed:affiliation
Department of Epidemiology, University of Washington, Seattle, Washington, USA. aburnett@fhcrc.org
pubmed:publicationType
Journal Article, Research Support, N.I.H., Extramural