Variant Gene Risk Allele Score vda Association Type Original DB Sentence supporting the association PMID PMID Year
dbSNP: rs4680
rs4680
0.100 GeneticVariation BEFREE Because of its role in catecholamine metabolism and several lines of evidence pointing to a locus for psychosis near the COMT gene on chromosome 22q11, we have analysed the COMT Val158Met polymorphism as a candidate susceptibility factor for bipolar affective disorder. 9352569

1997

dbSNP: rs1801028
rs1801028
0.010 GeneticVariation BEFREE Neither the DRD2 S311C polymorphism nor the presence of long alleles for the DRD4 exon III repeat sequence was associated with psychosis or aggression. 9779662

1998

dbSNP: rs4680
rs4680
0.100 GeneticVariation BEFREE Using a sample of sibling pairs discordant for psychosis, the authors attempted to replicate the findings of previous studies suggesting that the functional genetic polymorphism Val158Met in the catechol O-methyltransferase (COMT) gene influences prefrontal cognitive function and increases the risk for schizophrenia. 15169701

2004

dbSNP: rs1799971
rs1799971
0.010 GeneticVariation BEFREE A subdivision of our MAP group revealed that A118G of OPRM shows a significant association with MAP psychosis having latency less than three years. 15542732

2004

dbSNP: rs6280
rs6280
0.030 GeneticVariation BEFREE Genetic polymorphisms of D2-like dopamine receptor genes, DRD2 TaqI A, DRD3 Ser-9-Gly, and DRD4 exon III variable number of tandem repeats, were compared between: (a) MAMP users as a whole and 435 normal controls, and (b) those 154 individuals with MAMP-induced psychosis and the 252 MAMP users with no psychosis. 15564898

2004

dbSNP: rs1695
rs1695
0.010 GeneticVariation BEFREE Our findings suggest that the polymorphism (Ile105Val) on exon 5 of the GSTP1 gene may contribute to a vulnerability to psychosis associated with MAP abuse in Japanese population. 15729709

2005

dbSNP: rs104894685
rs104894685
FTL
0.010 GeneticVariation BEFREE The authors identified a missense mutation in the FTL gene (474G>A; A96T) in a 19-year-old man with parkinsonism, ataxia, corticospinal signs, mild nonprogressive cognitive deficit, and episodic psychosis. 16116125

2005

dbSNP: rs6265
rs6265
0.100 GeneticVariation BEFREE The Val66Met polymorphism of the brain-derived neurotrophic factor gene is associated with risk for psychosis: evidence from a family-based association study. 16389585

2006

dbSNP: rs759834365
rs759834365
0.100 GeneticVariation BEFREE The Val66Met polymorphism of the brain-derived neurotrophic factor gene is associated with risk for psychosis: evidence from a family-based association study. 16389585

2006

dbSNP: rs4680
rs4680
0.100 GeneticVariation BEFREE Catechol-o-methyltransferase, cognition, and psychosis: Val158Met and beyond. 16476412

2006

dbSNP: rs4680
rs4680
0.100 GeneticVariation BEFREE The individual SNP analysis confirmed an association for the valine/methionine variant with AD-P. Haplotype analyses revealed that the alleles at four loci (rs737865, rs737864, intron 1 C2754delC, rs4680) interacted to create the risk of psychosis in AD, as A-C-C-G haplotype (OR=2.08, 95% CI=1.02-4.27, P=0.044) and G-C-delC-G haplotype (OR=2.54, 95% CI=1.32-4.90, P=0.006) in respect to the most common and not-at-risk A-C-C-A haplotype which was significantly overrepresented in AD-P. 16837108

2007

dbSNP: rs737864
rs737864
0.010 GeneticVariation BEFREE The individual SNP analysis confirmed an association for the valine/methionine variant with AD-P. Haplotype analyses revealed that the alleles at four loci (rs737865, rs737864, intron 1 C2754delC, rs4680) interacted to create the risk of psychosis in AD, as A-C-C-G haplotype (OR=2.08, 95% CI=1.02-4.27, P=0.044) and G-C-delC-G haplotype (OR=2.54, 95% CI=1.32-4.90, P=0.006) in respect to the most common and not-at-risk A-C-C-A haplotype which was significantly overrepresented in AD-P. 16837108

2007

dbSNP: rs737865
rs737865
0.010 GeneticVariation BEFREE The individual SNP analysis confirmed an association for the valine/methionine variant with AD-P. Haplotype analyses revealed that the alleles at four loci (rs737865, rs737864, intron 1 C2754delC, rs4680) interacted to create the risk of psychosis in AD, as A-C-C-G haplotype (OR=2.08, 95% CI=1.02-4.27, P=0.044) and G-C-delC-G haplotype (OR=2.54, 95% CI=1.32-4.90, P=0.006) in respect to the most common and not-at-risk A-C-C-A haplotype which was significantly overrepresented in AD-P. 16837108

2007

dbSNP: rs4680
rs4680
0.100 GeneticVariation BEFREE An experimental study of catechol-o-methyltransferase Val158Met moderation of delta-9-tetrahydrocannabinol-induced effects on psychosis and cognition. 16936704

2006

dbSNP: rs4680
rs4680
0.100 GeneticVariation BEFREE The objective of this study was to examine whether the functional genetic polymorphism Val158Met in the catechol-O-methyltransferase (COMT) gene influences cognitive deterioration in a sample of patients with psychosis under treatment with atypical antipsychotics. 16969277

2006

dbSNP: rs1217691063
rs1217691063
0.010 GeneticVariation BEFREE To test the hypothesis that the T allele and the TT genotype are risk factors for psychosis, we genotyped the C677T polymorphism in 206 participants with schizophrenia or schizoaffective disorder and 359 participants from a population control sample. 16969279

2006

dbSNP: rs951436
rs951436
0.010 GeneticVariation BEFREE Specifically, variation at one RGS4 single nucleotide polymorphism that has been associated previously with psychosis (rs951436) impacts frontoparietal and frontotemporal blood oxygenation level-dependent response and network coupling during working memory and results in regionally specific reductions in gray and white matter structural volume in individuals carrying the A allele. 17301167

2007

dbSNP: rs6313
rs6313
0.060 GeneticVariation BEFREE Parent-of-origin effect and genomic imprinting of the HTR2A receptor gene T102C polymorphism in psychosis. 17407792

2007

dbSNP: rs4680
rs4680
0.100 GeneticVariation BEFREE The findings suggest that the COMT(Val158Met) polymorphism moderates affective and psychotic responses to stress in patients with psychosis, providing evidence for gene-environment interaction mechanisms in the formation of psychotic symptoms. 17525974

2008

dbSNP: rs6313
rs6313
0.060 GeneticVariation BEFREE Subjects with possible or probable AD or mild cognitive impairment (MCI) without psychosis at study entry were genotyped for the HTR2A T102C polymorphism and reassessed every 6 months until psychosis onset. 17525976

2007

dbSNP: rs2619538
rs2619538
0.010 GeneticVariation BEFREE DTNBP1 showed significant associations with methamphetamine psychosis at polymorphisms of P1635 (rs3213207, p = .00003) and SNPA (rs2619538, p = .049) and the three-locus haplotype of P1655 (rs2619539)-P1635-SNPA (permutation p = .0005). 17555717

2008

dbSNP: rs2619539
rs2619539
0.010 GeneticVariation BEFREE DTNBP1 showed significant associations with methamphetamine psychosis at polymorphisms of P1635 (rs3213207, p = .00003) and SNPA (rs2619538, p = .049) and the three-locus haplotype of P1655 (rs2619539)-P1635-SNPA (permutation p = .0005). 17555717

2008

dbSNP: rs3213207
rs3213207
0.010 GeneticVariation BEFREE DTNBP1 showed significant associations with methamphetamine psychosis at polymorphisms of P1635 (rs3213207, p = .00003) and SNPA (rs2619538, p = .049) and the three-locus haplotype of P1655 (rs2619539)-P1635-SNPA (permutation p = .0005). 17555717

2008

dbSNP: rs2076369
rs2076369
0.010 GeneticVariation BEFREE Of these SNPs, rs713729 was significantly associated with methamphetamine abusers in general, and rs713729 and rs2076369 were significantly associated with those with spontaneous relapse of psychosis. 17606663

2007

dbSNP: rs713729
rs713729
0.010 GeneticVariation BEFREE Of these SNPs, rs713729 was significantly associated with methamphetamine abusers in general, and rs713729 and rs2076369 were significantly associated with those with spontaneous relapse of psychosis. 17606663

2007