{{Rsnum
|rsid=4646421
|Gene=CYP1A1
|Chromosome=15
|position=74723851
|Orientation=minus
|GMAF=0.2736
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=CYP1A1
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 85.7 | 13.4 | 0.9
| HCB | 33.6 | 53.3 | 13.1
| JPT | 45.1 | 47.8 | 7.1
| YRI | 38.8 | 44.2 | 17.0
| ASW | 42.1 | 43.9 | 14.0
| CHB | 33.6 | 53.3 | 13.1
| CHD | 41.3 | 41.3 | 17.4
| GIH | 53.5 | 35.6 | 10.9
| LWK | 50.0 | 42.6 | 7.4
| MEX | 43.9 | 38.6 | 17.5
| MKK | 69.7 | 28.4 | 1.9
| TSI | 74.5 | 24.5 | 1.0
| HapMapRevision=28
}}{{PMID|19110417}} hepatocellular carcinoma in Chinese populations
*increased risk [[rs4646421]] (OR 1.30, 95% CI 1.05-1.61)
*increased risk [[rs2198843]] (OR 1.33, 95% CI 1.05-1.69)
*reduced risk [[rs4886605]] (OR 0.70. 95% CI 0.52-0.94)

{{PMID Auto
|PMID=17160896
|Title=Orofacial cleft risk is increased with maternal smoking and specific detoxification-gene variants.
|OA=1
}}

{{PMID Auto
|PMID=18268125
|Title=Assessment of interactions between PAH exposure and genetic polymorphisms on PAH-DNA adducts in African American, Dominican, and Caucasian mothers and newborns.
|OA=1
}}

{{PMID Auto
|PMID=18632753
|Title=Bladder cancer risk and genetic variation in AKR1C3 and other metabolizing genes.
|OA=1
}}

{{PMID Auto
|PMID=18691756
|Title=Paternal smoking, genetic polymorphisms in CYP1A1 and childhood leukemia risk.
|OA=1
}}

{{PMID Auto
|PMID=18778477
|Title=Genomic variation in myeloma: design, content, and initial application of the Bank On A Cure SNP Panel to detect associations with progression-free survival.
|OA=1
}}

{{PMID Auto
|PMID=18798002
|Title=Coffee consumption, genetic susceptibility and bladder cancer risk.
|OA=1
}}

{{PMID Auto
|PMID=19330903
|Title=Gene by smoking interaction in hypertension: identification of a major quantitative trait locus on chromosome 15q for systolic blood pressure in Mexican-Americans.
|OA=1
}}

{{PMID Auto
|PMID=19567509
|Title=Genetic variants and prostate cancer risk: candidate replication and exploration of viral restriction genes.
|OA=1
}}

{{PMID Auto
|PMID=24320736
|Title=Role of single nucleotide polymorphisms in estrogen-metabolizing enzymes and susceptibility to uterine leiomyoma in Han Chinese: A case-control study
}}

{{PMID Auto
|PMID=23816456
|Title=CYP1A1 genetic polymorphism and polycyclic aromatic hydrocarbons on pulmonary function in the elderly: haplotype-based approach for gene-environment interaction
}}

{{PMID Auto
|PMID=22521834
|Title=Genetic variations of CYP2B6 gene were associated with plasma BPDE-Alb adducts and DNA damage levels in coke oven workers.
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}