Source:http://linkedlifedata.com/resource/pubmed/id/17262178
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3
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pubmed:dateCreated |
2007-10-31
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pubmed:abstractText |
Endothelial nitric oxide synthase (NOS3) produces nitric oxide which is a mediator of cytotoxic effects potentially associated with breast cancer. We evaluated the role of genetic polymorphisms of NOS3 in breast cancer etiology, in a case-control study conducted in Korea. We recruited 1,385 eligible patients with histologically confirmed incident breast cancer cases and 968 hospital-based controls. Two potentially functional NOS3 polymorphisms in the promoter region (-786T > C) and exon 7 (894G > T, Glu298Asp) were genotyped and individual haplotypes were estimated. Odds ratios (ORs) and 95% confidential intervals (95% CIs) were calculated by unconditional logistic regression, adjusting for age, body mass index, education, family history of breast cancer in first and second degree relatives, age at first full-term pregnancy and parity. There was no overall association between the -786T > C or 894G > T genotype and breast cancer risk. However, the -786C allele was marginally associated with decreased risk for invasive breast cancer with lymph node involvement (OR = 0.76, 95% CI = 0.56-1.04). And, compared to TG-TG carriers, all other haplotype pairs were significantly associated with invasive breast cancer with lymph node involvement (OR = 0.77, 95% CI = 0.59-0.99). Our results suggest that genetic polymorphisms in NOS3 modify individual susceptibility to invasive breast cancer with lymph node involvement in Korean women.
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pubmed:commentsCorrections | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Dec
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pubmed:issn |
0167-6806
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
106
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
433-8
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pubmed:dateRevised |
2008-11-13
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pubmed:meshHeading |
pubmed-meshheading:17262178-Adult,
pubmed-meshheading:17262178-Aged,
pubmed-meshheading:17262178-Breast Neoplasms,
pubmed-meshheading:17262178-Case-Control Studies,
pubmed-meshheading:17262178-Female,
pubmed-meshheading:17262178-Genetic Predisposition to Disease,
pubmed-meshheading:17262178-Humans,
pubmed-meshheading:17262178-Lymphatic Metastasis,
pubmed-meshheading:17262178-Middle Aged,
pubmed-meshheading:17262178-Nitric Oxide Synthase Type III,
pubmed-meshheading:17262178-Polymorphism, Genetic,
pubmed-meshheading:17262178-Risk
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pubmed:year |
2007
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pubmed:articleTitle |
Genetic polymorphisms of NOS3 are associated with the risk of invasive breast cancer with lymph node involvement.
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pubmed:affiliation |
Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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