{{Rsnum
|rsid=17864092
|Gene=GRM8
|Chromosome=7
|position=126999550
|Orientation=plus
|GMAF=0.107
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=GRM8
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 2.7 | 24.1 | 73.2
| HCB | 0.0 | 1.5 | 98.5
| JPT | 0.0 | 2.7 | 97.3
| YRI | 0.0 | 18.5 | 81.5
| ASW | 1.8 | 26.3 | 71.9
| CHB | 0.0 | 1.5 | 98.5
| CHD | 0.0 | 1.9 | 98.1
| GIH | 0.0 | 24.8 | 75.2
| LWK | 8.2 | 30.9 | 60.9
| MEX | 3.4 | 25.9 | 70.7
| MKK | 5.8 | 32.7 | 61.5
| TSI | 2.0 | 17.6 | 80.4
| HapMapRevision=28
}}

[[rs17864092]] is a SNP in the glutamate receptor, metabotropic 8 [[GRM8]] gene, encoding a metabotropic receptor for glutamate, a major excitatory neurotransmitter in the central nervous system.

A genome-wide association study and an accompanying meta-analysis found some evidence for SNPs in the [[GRM8]] gene, most notably [[rs17864092]], and trait depression (p = 5 x 10e-6).{{PMID|20800221|OA=1
}}

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