Source:http://linkedlifedata.com/resource/pubmed/id/11291049
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
2001-4-6
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pubmed:abstractText |
Breast cancer is the most frequent malignancy among women. Since genetic factors such as BRCA1 and BRCA2 as well as reproductive history constitute only 30% of the cause, environmental exposure may play a significant role in the development of breast cancer. Likewise, the relevant enzymes involved in the biotransformation of xenobiotics (from tobacco smoke, diet or other environmental sources) might play a role in breast carcinogenesis. Since individuals with modified ability to metabolize these carcinogens could have a different risk for breast cancer, we investigated the role of cytochromes P-450 (CYP1A1, CYP2D6), glutathione-S-transferases (GSTM1, GSTT1, GSTP1) and N-acetyltransferases (NAT1, NAT2) gene variants in breast carcinogenesis. A case-control study was conducted on 149 women with breast carcinoma and 207 healthy controls, both of French-Canadian origin. The CYP1A1*4 allele was found to be a significant risk determinant of breast carcinoma (OR = 3.3, 95% CI 1.1-9.7), particularly among post-menopausal women (OR = 4.0, 95% CI 1.2-13.8). The frequency of NAT2 rapid acetylators was increased among smokers (OR = 2.6, 95% CI 0.8-8.2), while the NAT1*10 allele conferred a 4-fold increase in risk among women who consumed well-done meat (OR = 4.4, 95% CI 1.0-18.9). These data suggest that CYP1A1*4, NAT1 and NAT2 variants are involved in the susceptibility to breast carcinoma by modifying the impact of exogenous and/or endogenous exposures.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Arylamine N-Acetyltransferase,
http://linkedlifedata.com/resource/pubmed/chemical/Carcinogens,
http://linkedlifedata.com/resource/pubmed/chemical/Cytochrome P-450 CYP1A1,
http://linkedlifedata.com/resource/pubmed/chemical/Cytochrome P-450 CYP2D6,
http://linkedlifedata.com/resource/pubmed/chemical/Glutathione Transferase,
http://linkedlifedata.com/resource/pubmed/chemical/Isoenzymes,
http://linkedlifedata.com/resource/pubmed/chemical/N-acetyltransferase 1,
http://linkedlifedata.com/resource/pubmed/chemical/NAT2 protein, human
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pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
0020-7136
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pubmed:author | |
pubmed:copyrightInfo |
Copyright 2001 Wiley-Liss, Inc.
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pubmed:issnType |
Print
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pubmed:day |
15
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pubmed:volume |
92
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
220-5
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pubmed:dateRevised |
2010-9-8
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pubmed:meshHeading |
pubmed-meshheading:11291049-Arylamine N-Acetyltransferase,
pubmed-meshheading:11291049-Breast Neoplasms,
pubmed-meshheading:11291049-Canada,
pubmed-meshheading:11291049-Carcinogens,
pubmed-meshheading:11291049-Carcinoma,
pubmed-meshheading:11291049-Case-Control Studies,
pubmed-meshheading:11291049-Cytochrome P-450 CYP1A1,
pubmed-meshheading:11291049-Cytochrome P-450 CYP2D6,
pubmed-meshheading:11291049-Environmental Exposure,
pubmed-meshheading:11291049-Female,
pubmed-meshheading:11291049-France,
pubmed-meshheading:11291049-Gene Frequency,
pubmed-meshheading:11291049-Genetic Predisposition to Disease,
pubmed-meshheading:11291049-Genotype,
pubmed-meshheading:11291049-Glutathione Transferase,
pubmed-meshheading:11291049-Humans,
pubmed-meshheading:11291049-Isoenzymes,
pubmed-meshheading:11291049-Menopause,
pubmed-meshheading:11291049-Middle Aged,
pubmed-meshheading:11291049-Polymorphism, Genetic,
pubmed-meshheading:11291049-Risk Factors
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pubmed:year |
2001
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pubmed:articleTitle |
Genetic susceptibility to breast cancer in French-Canadians: role of carcinogen-metabolizing enzymes and gene-environment interactions.
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pubmed:affiliation |
Division of Hemato-Oncology, Charles-Bruneau Cancer Center, Sainte-Justine Hospital, University of Montreal, 3175 Côte Sainte Catherine, Montreal, Canada H3T 1C5.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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