{{Rsnum
|rsid=17577
|Gene=MMP9
|Chromosome=20
|position=46014472
|Orientation=plus
|GMAF=0.163
|Gene_s=MMP9
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 3.5 | 25.7 | 70.8
| HCB | 1.5 | 23.4 | 75.2
| JPT | 5.3 | 28.3 | 66.4
| YRI | 5.5 | 29.7 | 64.8
| ASW | 5.3 | 24.6 | 70.2
| CHB | 1.5 | 23.4 | 75.2
| CHD | 0.0 | 19.3 | 80.7
| GIH | 13.9 | 40.6 | 45.5
| LWK | 3.6 | 26.4 | 70.0
| MEX | 1.7 | 22.4 | 75.9
| MKK | 5.8 | 33.3 | 60.9
| TSI | 2.0 | 24.5 | 73.5
| HapMapRevision=28
}}
{{PMID Auto
|PMID=22142952
|Title=Personality traits and the R668Q polymorphism located in the MMP-9 gene
}}
{{PMID Auto
|PMID=22621753
|Title=Higher risk of matrix metalloproteinase (MMP-2, 7, 9) and tissue inhibitor of metalloproteinase (TIMP-2) genetic variants to gallbladder cancer
}}
{{PMID Auto
|PMID=22664146
|Title=Association of matrix metalloproteinases (MMP2, MMP7 and MMP9) genetic variants with left ventricular dysfunction in coronary artery disease patients
}}{{PMID|15748780}} Genetic association between matrix metalloproteinase MMP-9 and MMP-3 polymorphisms and Japanese sporadic Alzheimer's disease.

{{PMID|17346338|OA=1
}} Matrix Metalloproteinase-9 (MMP-9) polymorphisms in patients with cutaneous malignant melanoma.

{{PMID|18191955|OA=1
}} Correlating observed odds ratios from lung cancer case-control studies to SNP functional scores predicted by bioinformatic tools.

{{PMID|18303200|OA=1
}} Matrix metalloproteinase-3 genotypes influence recovery from hepatitis B virus infection.

{{PMID|18636124|OA=1
}} Polymorphisms in the estrogen receptor 1 and vitamin C and matrix metalloproteinase gene families are associated with susceptibility to lymphoma.

{{PMID|19064570|OA=1
}} Missense polymorphisms in matrix metalloproteinase genes and skin cancer risk.

{{PMID|20078883|OA=1
}} Association of MMP-2 polymorphisms with severe and very severe COPD: a case control study of MMPs-1, 9 and 12 in a European population.

{{PMID|20181264|OA=1
}} MMP-9 gene variants increase the risk for non-atopic asthma in children.

{{PMID|20184534}} Association of matrix metalloproteinase 9 genotypes and cardiovascular disease risk factors with serum matrix metalloproteinase 9 concentrations in Taiwanese individuals.

{{PMID|20529372|OA=1
}} Matrix metalloproteinase-9 gene polymorphisms in nasal polyposis.

{{PMID|20725776|OA=1
}} MMP9 polymorphisms and breast cancer risk: a report from the Shanghai Breast Cancer Genetics Study.

{{PMID|22107133}} Elevated plasma matrix metalloproteinase-9 protein and its gene polymorphism in patients with community-acquired pneumonia.

{{PMID|22388798|OA=1
}} Gene panels to help identify subgroups at high and low risk of coronary heart disease among those randomized to antihypertensive treatment: the GenHAT study.{{GET Evidence
|gene=MMP9
|aa_change=Arg668Gln
|aa_change_short=R668Q
|impact=not reviewed
|qualified_impact=Insufficiently evaluated not reviewed
|inheritance=unknown
|quality_scores=Array
|dbsnp_id=rs17577
|overall_frequency_n=1263
|overall_frequency_d=9370
|overall_frequency=0.134792
|n_genomes=12
|n_genomes_annotated=0
|n_haplomes=14
|n_articles=0
|n_articles_annotated=0
|nblosum100=0
|autoscore=0
|webscore=N
}}
{{PMID Auto
|PMID=23570558
|Title=The Influence of Functional Polymorphisms in Matrix Metalloproteinase 9 on Survival of Breast Cancer Patients in a Chinese Population
}}
{{PMID Auto
|PMID=23639553
|Title=Polymorphisms in Metalloproteinase-9 are Associated with the risk for Asthma in Mexican Pediatric Patients
}}
{{PMID Auto
|PMID=24967180
|Title=The association between matrix metalloprotease-9 gene polymorphisms and primary angle-closure glaucoma in a Chinese Han population
}}