Disease Score gda Association Type Type Original DB Sentence supporting the association PMID PMID Year
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE The frequency of CYP2A6 gene whole deletion was significantly lower in the lung cancer patients than that of healthy volunteers. 10517986 1999
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE These data suggest that deficient CYP2A6 activity due to genetic polymorphism reduces lung cancer risk. 10441482 1999
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 Biomarker disease CTD_human These data suggest that deficient CYP2A6 activity due to genetic polymorphism reduces lung cancer risk. 10441482 1999
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE This effect was mainly limited to squamous-cell carcinoma and to non-smokers, although a joint effect of CYP2A6 deletion and tobacco smoking on lung cancer risk was observed among heavy smokers. 11241319 2001
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE In this Caucasian population, we found neither a relation between genetically impaired nicotine metabolism and cigarette consumption, nor any modification of lung cancer risk related to the presence of defective CYP2A6 alleles (odds ratio = 1.1, 95% confidence interval = 0.7-1.9). 11207029 2001
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 Biomarker disease CTD_human This effect was mainly limited to squamous-cell carcinoma and to non-smokers, although a joint effect of CYP2A6 deletion and tobacco smoking on lung cancer risk was observed among heavy smokers. 11241319 2001
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE Studies in Japanese suggest that CYP2A6 poor metabolizer genotypes result in altered nicotine kinetics and may lower cigarette smoking elicited lung cancer risk, whereas similar studies in Caucasian populations have not revealed any clear associations between variant CYP2A6 genotypes and smoking behaviour or lung cancer predisposition. 11678779 2001
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 Biomarker disease BEFREE Taking these results into account, CYP2A6 is an enzyme enhancing lung cancer risk. 12214673 2002
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE The subjects with lung cancer were additionally divided into three groups according to the histological classification of the cancer and examined for an association with the CYP2A6 polymorphism. 12223434 2002
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 Biomarker disease BEFREE NNK, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone); current studies are investigating the role of CYP2A6 in risk for lung cancer. 11805739 2002
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE The frequencies of the CYP2A6 alleles vary considerably among different ethnic populations, which may partially explain the interethnic variability found in CYP2A6-related metabolic activity (e.g. nicotine metabolism), behaviors (i.e. smoking) and disease (i.e. lung cancer). 12406643 2002
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 Biomarker disease CTD_human Taking these results into account, CYP2A6 is an enzyme enhancing lung cancer risk. 12214673 2002
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE No association was observed between CYP2A6 genotype and risk of lung cancer. 14633739 2003
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 Biomarker disease BEFREE These results suggest that the CYP2A6 is one of the principal determinants affecting not only smoking behavior but also susceptibility to tobacco-related lung cancer. 15308589 2004
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 Biomarker disease CTD_human Other mutant alleles reducing the CYP2A6 activity, besides CYP2A6*4C, also reduced the risk of lung cancer in smokers, particularly of squamous-cell carcinoma and small-cell carcinoma, both smoking-related cancers. 16176798 2005
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE Other mutant alleles reducing the CYP2A6 activity, besides CYP2A6*4C, also reduced the risk of lung cancer in smokers, particularly of squamous-cell carcinoma and small-cell carcinoma, both smoking-related cancers. 16176798 2005
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE Heterozygote carriers of SNPs in CYP1A2 1545T>C, -164C>A and -740T>G; CYP2A6 -47A>C; MDR1 3435T>C; NAT1 1088T>A and 1095A>C; GSTA2 S112T; GSTM3 V224I and MTHFR A222V had altered risk of developing lung cancer. 17259654 2007
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 Biomarker disease CTD_human In this study, immunohistochemistry and in situ hybridization (ISH) for CYP2A6 with human lung cancer tissues (n=31) obtained by surgical resection showed significantly higher immunoreactivity in the cases with lymph node metastasis. 17549345 2007
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE One of these loci is the CYP2A6 deletion, previously linked to reduced susceptibility to lung cancer. 20506136 2010
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 Biomarker disease BEFREE CYP2A6 and CHRNA5-A3-B4 appear to be more strongly associated with smoking behaviors and lung cancer risk, respectively. 21747048 2011
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE These data indicate that CYP2A6 deletions may be associated with lung cancer in the Japanese population studied. 21791872 2011
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE It has been reported that the plasma concentration of cotinine, a major metabolite of nicotine, in carriers of wild-type alleles of CYP2A6 is considerably higher than that in carriers of null or reduced-function alleles of CYP2A6, raising the possibility that cotinine plays an important role in the development of lung cancer. 22687995 2012
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE When stratified by smoking, the effects of CYP1A1 and CYP2A6 polymorphisms on lung cancer susceptibility were found to be significant only in heavy smokers who had smoked 40 pack years or more (54% of all cases) but no associations were seen for lighter smokers. 23178447 2013
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE Overall, we found that CYP2A6 *1/*1 genotype was associated with an increased risk of lung cancer relative to *4/*4 genotype (OR = 2.65, 95 % CI: 1.84-3.81, P < 0.001). 23733493 2013
CUI: C0242379
Disease: Malignant neoplasm of lung
Malignant neoplasm of lung
0.400 GeneticVariation disease BEFREE The whole gene deletion of CYP2A6 may decrease the risk of lung cancer in Asian samples. 23585826 2013