{{Rsnum
|rsid=3842
|Gene=ABCB1
|Chromosome=7
|position=87504050
|Orientation=minus
|GMAF=0.2006
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=ABCB1
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 75.2 | 21.2 | 3.5
| HCB | 51.5 | 39.6 | 9.0
| JPT | 0.0 | 0.0 | 0.0
| YRI | 74.7 | 22.6 | 2.7
| ASW | 67.9 | 32.1 | 0.0
| CHB | 51.5 | 39.6 | 9.0
| CHD | 52.3 | 40.2 | 7.5
| GIH | 67.0 | 30.9 | 2.1
| LWK | 59.8 | 30.8 | 9.3
| MEX | 59.6 | 33.3 | 7.0
| MKK | 54.8 | 38.1 | 7.1
| TSI | 76.8 | 21.2 | 2.0
| HapMapRevision=28
}}{{PMID|19107762}}  [[rs3842]] (A;G) and (G;G) was associated with increased risk of developing [[lung cancer]] (odds ratio [OR]. 1.36; 95% confidence interval [95% CI], 1.06-1.76), especially in women (2.5x)

[[rs212090]](A;T) (T;T) increased cancer susceptibility (OR, 1.37; 95% CI, 1.03-1.83)

{{PMID Auto
|PMID=17267408
|Title=Allelic imbalance in gene expression as a guide to cis-acting regulatory single nucleotide polymorphisms in cancer cells.
|OA=1
}}

{{PMID Auto
|PMID=19844206
|Title=Sequence variations of ABCB1, SLC6A2, SLC6A3, SLC6A4, CREB1, CRHR1 and NTRK2: association with major depression and antidepressant response in Mexican-Americans.
|OA=1
}}

{{PMID Auto
|PMID=19916993
|Title=A novel polymorphism in ABCB1 gene, CYP2B6*6 and sex predict single-dose efavirenz population pharmacokinetics in Ugandans.
|OA=1
}}

{{PMID Auto
|PMID=23133441
|Title=ABCB1 4036A>G and 1236C>T Polymorphisms Affect Plasma Efavirenz Levels in South African HIV/AIDS Patients.
|OA=1
}}

{{PMID Auto
|PMID=23996099
|Title=ABCB1 and ABCC1 variants associated with virological failure of first-line protease inhibitors antiretroviral regimens in Northeast Brazil patients
}}
{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Illumina Human 1M}}