rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
COMT Val(158)Met polymorphism was studied with ARMS-PCR method in 99 outpatients with schizophrenia.
|
20570494 |
2010 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
Here, we report the investigation of the differential activity of membrane-bound catechol-O-methyltransferase (MB-COMT) due to altered promoter methylation and the nature of the contribution of COMT Val158Met polymorphism as risk factors for schizophrenia and bipolar disorder by analyzing 115 post-mortem brain samples from the frontal lobe.
|
16984965 |
2006 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
The COMT val158Met polymorphism does not appear to be a clinically useful biomarker of cognitive improvement following CRT in schizophrenia.
|
21458532 |
2011 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
MTHFR 677C --> T genotype disrupts prefrontal function in schizophrenia through an interaction with COMT 158Val --> Met.
|
18988738 |
2008 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
Although the etiology of aggression is multifactorial, many studies have associated the Val158Met polymorphism of the COMT with aggression in schizophrenia.
|
21402125 |
2011 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
The COMT Val158Met polymorphism did not appear to significantly affect susceptibility, symptomatology, global cognitive function and prognosis in Chinese patients with schizophrenia, but the possible association with AOO merits further investigation.
|
15118357 |
2004 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
The results failed to show significant association between val158met polymorphism and schizophrenia, violence or suicide.
|
11150892 |
2001 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
The aim of this study was to investigate the association of COMT val(158)met polymorphism with antisaccade eye movements in schizophrenia patients and healthy controls.
|
18562342 |
2010 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
A functional polymorphism of the catechol-O-methyltransferase (COMT) gene (Val158Met) partially appears to influence cognitive performance in schizophrenia subjects and healthy controls by modulating prefrontal dopaminergic activity.
|
26255563 |
2015 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
The COMT Val(158)Met polymorphism shared 6.6% of the executive/attention dysfunction variance in patients with schizophrenia and 15.6% of the motor impairment variance in patients with deficit schizophrenia.
|
16037677 |
2005 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
These results do not support the hypothesis that the COMT Val158Met gene polymorphism is associated with liability to schizophrenia-OCD.
|
16043283 |
2005 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
It exists as common high and low activity alleles in the population (determined by a valine 158 methionine polymorphisms), and high red blood cell activity of COMT has previously been associated with schizophrenia.
|
9323320 |
1997 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
Association study of COMT gene Val158Met polymorphism with auditory P300 and performance on neurocognitive tests in patients with schizophrenia and their relatives.
|
17071544 |
2006 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
The findings provide independent support for the hypothesis that the catechol-O-methyltransferase Val(158)Met polymorphism influences neurocognitive function in schizophrenia, and suggest that the functional effects may be expressed on measures of Processing Speed and Attention.
|
12372660 |
2002 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
We found a significant association of the COMT Va</span>l(158)Met polymorphism with schizophrenia</span>.
|
24782165 |
2014 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
Interaction between catechol-O-methyltransferase (COMT) Val158Met genotype and genetic vulnerability to schizophrenia during explicit processing of aversive facial stimuli.
|
22617427 |
2013 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
The association of SNP rs4680 with schizophrenia did not remain significant after adjusting for multiple testing.
|
19290789 |
2009 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
However, the COMT Val158Met polymorphism might be a susceptibility variant for P300 abnormality in Chinese Han schizophrenia.
|
20483173 |
2010 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
These results imply that PPI might be modulated by four genotypes - COMT rs4680 (primarily in males), GRIK3 rs1027599, TCF4 rs9960767, and PRODH rs385440 - indicating a role of these gene variations in the development of early information processing deficits in schizophrenia.
|
29287625 |
2018 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
In the present study, we analyzed the interaction between pharmacological treatment (clozapine vs typical/atypical D2 blockers) and COMT rs4680 polymorphism on cognitive changes after cognitive remediation therapy, in a sample of 98 clinically stabilized patients with schizophrenia.
|
24656901 |
2014 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
Aggression is associated with the 'low' activity allele (Met) of the functional Val158Met polymorphism among people with schizophrenia spectrum disorders relative to the 'high' activity (Val) allele.
|
18075475 |
2007 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
A significant association was observed between schizophrenia, but not other related disorders, and genotypes GG (Val/Val) for rs4680 and TT for rs4633.
|
17363961 |
2007 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
As impaired serotonergic and dopaminergic neurotransmission is implicated in the pathogenesis of depression and schizophrenia this study sought to investigate the putative association between several functional gene polymorphisms (SERT 5-HTTLPR, MAO-A VNTR, COMT Val158Met and DAT VNTR) and schizophrenia.
|
28416295 |
2017 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
There was no association of rs4680 with SZ in the combined sample (n=4071, p=0.110, odds ratio=1.08).
|
22963606 |
2012 |
rs4680
|
|
Schizophrenia
|
|
0.100 |
GeneticVariation
|
BEFREE |
Catechol-o-methyltransferase valine(158)methionine genotype and resting regional cerebral blood flow in medication-free patients with schizophrenia.
|
19892319 |
2010 |