Schizophrenia
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Based on the fact that no sequence changes of likely functional significance were identified, these data suggest that mutations affecting the structure of the D1 dopamine receptor protein are uncommon and are unlikely to contribute significantly to the genetic predisposition to schizophrenia.
|
7485254 |
1995 |
Schizophrenia
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Allele frequencies were similar in patients and controls, indicating that genetic variation in the 5'-regulatory region of the DRD1 gene is unlikely to play a frequent, major role in the genetic predisposition to either schizophrenia or bipolar affective disorder.
|
8837716 |
1996 |
Schizophrenia
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Dopamine D1 receptor gene polymorphism and schizophrenia in Japan.
|
10206227 |
1999 |
Schizophrenia
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
The results may suggest an association between DRD1 gene polymorphism and performance on PFC test in schizophrenia.
|
15785860 |
2005 |
Schizophrenia
|
0.400 |
Biomarker
|
disease |
BEFREE |
There is also growing evidence for the role of DRD1, NMDA receptor genes (GRIN1, GRIN2A, GRIN2B), brain-derived neurotrophic factor (BDNF), and dopamine transporter (SLC6A3) in both schizophrenia and bipolar disorder.
|
15952869 |
2005 |
Schizophrenia
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
In the present study, the -48A/G polymorphism of the DRD1 gene was estimated in patients with schizophrenia (n=407) or bipolar affective disorder (n=380), and in healthy controls (n=399).
|
16397404 |
2006 |
Schizophrenia
|
0.400 |
GeneticVariation
|
disease |
LHGDN |
In the present study, the -48A/G polymorphism of the DRD1 gene was estimated in patients with schizophrenia (n=407) or bipolar affective disorder (n=380), and in healthy controls (n=399).
|
16397404 |
2006 |
Schizophrenia
|
0.400 |
AlteredExpression
|
disease |
BEFREE |
Quantitative gene-expression analyses showed a corresponding increase in transcript levels of MB-COMT in schizophrenia and bipolar disorder patients compared with the controls (P=0.02) with an accompanying inverse correlation between MB-COMT and DRD1 expression.
|
16984965 |
2006 |
Schizophrenia
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
One hundred thirty one outpatients in stable remission meeting the DSMIV criteria for schizophrenia spectrum disorders and receiving long-term maintenance therapy with haloperidol, fluphenazine, zuclopenthixole, or risperidone were genotyped for DRD1 A-48G, DRD2 Ins-141CDel, and DRD2 Ser311Cys polymorphisms.
|
17455212 |
2007 |
Schizophrenia
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
This study investigates the effect of four single nucleotide polymorphisms (SNPs) in DRD1 on clozapine response in two distinct SCZ populations (Caucasian and African American) refractory or intolerant to conventional APs.
|
17092969 |
2007 |
Schizophrenia
|
0.400 |
Biomarker
|
disease |
CTD_human |
Systematic meta-analyses and field synopsis of genetic association studies in schizophrenia: the SzGene database.
|
18583979 |
2008 |
Schizophrenia
|
0.400 |
Biomarker
|
disease |
BEFREE |
We conducted a pharmacogenetic study to evaluate whether variants in dopamine-related genes (DRD1-DRD5, AKT1 and GSK3beta) and serotonin receptor genes (HTR1A, HTR1B, HTR1D, HTR2A, HTR2C, HTR6 and HTR7) can be used to predict the efficacy of risperidone treatment for schizophrenia.
|
18855532 |
2008 |
Schizophrenia
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
DRD1-associated haplotypes were exclusively related to schizophrenia in the Val homozygous subgroup of patients (T-A-T-C-T: P = 0.003; G-G-T-C-C: P = 0.006).
|
20127886 |
2010 |
Schizophrenia
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Role of silent polymorphisms within the dopamine D1 receptor associated with schizophrenia on D1-D2 receptor hetero-dimerization.
|
20081237 |
2010 |
Schizophrenia
|
0.400 |
Biomarker
|
disease |
BEFREE |
As an important dopaminergic gene, DRD1 may contribute to schizophrenia by interacting with other genes.Further relevant studies are warranted.
|
20382433 |
2010 |
Schizophrenia
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Association of polymorphisms in the BDNF, DRD1 and DRD3 genes with tobacco smoking in schizophrenia.
|
20456319 |
2010 |
Schizophrenia
|
0.400 |
Biomarker
|
disease |
BEFREE |
We investigated DRD1-5 for association with schizophrenia using a multi-stage approach in a Korean sample.
|
21178390 |
2011 |
Schizophrenia
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
In order to evaluate the role of DRD1 polymorphisms as a risk factor for schizophrenia, we performed a detailed analysis of possible functional single nucleotide polymorphisms (SNPs) in regulatory and coding regions of DRD1.
|
21955727 |
2011 |
Schizophrenia
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Analysis of genetic variations in the dopamine D1 receptor (DRD1) gene and antipsychotics-induced tardive dyskinesia in schizophrenia.
|
21181138 |
2011 |
Schizophrenia
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
We investigated the association of dopamine receptor D1 gene (DRD1) rs4532 polymorphism with antipsychotic treatment response in schizophrenia.
|
23036699 |
2012 |
Schizophrenia
|
0.400 |
AlteredExpression
|
disease |
BEFREE |
Vitamin D receptor FokI genotype may modify the susceptibility to schizophrenia and bipolar mood disorder by regulation of dopamine D1 receptor gene expression.
|
23042374 |
2012 |
Schizophrenia
|
0.400 |
Biomarker
|
disease |
BEFREE |
Eight single nucleotide polymorphisms (SNPs) in regulating or coding regions of genes for the alpha-2A adrenergic receptor (ADRA2A), dopamine receptors D1 and D3 (DRD1 and DRD3), dopamine β-hydroxylase (DBH) and SNAP-25 were genotyped in male patients with schizophrenia (n=192) and in healthy controls (n=213).
|
22940547 |
2013 |
Schizophrenia
|
0.400 |
AlteredExpression
|
disease |
BEFREE |
Our data suggest that altered splicing of DRD2 and expression of DRD1 may constitute a pathophysiological mechanism in risk for SCZ and affective disorders.
|
24322206 |
2014 |
Schizophrenia
|
0.400 |
PosttranslationalModification
|
disease |
BEFREE |
Our examination could provide the informative reference for the role of DRD1 gene promoter in schizophrenia.
|
26484506 |
2015 |
Schizophrenia
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Previous association results between dopamine D1 receptor (DRD1) rs4532 polymorphism and antipsychotic treatment response in schizophrenia and schizoaffective subjects have been conflicting.
|
26213377 |
2015 |