Hyperphenylalaninaemia
|
0.030 |
Biomarker
|
disease |
BEFREE |
We describe a unique presentation of autosomal recessive (AR) GTP cyclohydrolase I (GTPCH) deficiency, with severe CNS involvement but without hyperphenylalaninemia.
|
18276179 |
2008 |
Hyperphenylalaninaemia
|
0.030 |
GeneticVariation
|
disease |
BEFREE |
Mutant GTP cyclohydrolase I in autosomal dominant dystonia and recessive hyperphenylalaninemia.
|
9921872 |
1999 |
Hyperphenylalaninaemia
|
0.030 |
Biomarker
|
disease |
BEFREE |
Furthermore, indirect evidence indicated that the GTP cyclohydrolase I (GTPCH) feedback regulatory protein (GFRP) complex may be a sensor for brain L-Phe elevation to ameliorate the toxic effects of HPA.
|
29520738 |
2018 |
Arteriosclerosis
|
0.020 |
AlteredExpression
|
disease |
BEFREE |
We aimed to investigate the importance of endothelial BH4 availability in atherosclerosis using a transgenic mouse model with endothelial-targeted overexpression of the rate-limiting enzyme in BH4 synthesis, GTP-cyclohydrolase I (GTPCH).
|
14707037 |
2004 |
Arteriosclerosis
|
0.020 |
Biomarker
|
disease |
BEFREE |
Induction of vascular GTP-cyclohydrolase I and endogenous tetrahydrobiopterin synthesis protect against inflammation-induced endothelial dysfunction in human atherosclerosis.
|
21969008 |
2011 |
Atherosclerosis
|
0.020 |
AlteredExpression
|
disease |
BEFREE |
We aimed to investigate the importance of endothelial BH4 availability in atherosclerosis using a transgenic mouse model with endothelial-targeted overexpression of the rate-limiting enzyme in BH4 synthesis, GTP-cyclohydrolase I (GTPCH).
|
14707037 |
2004 |
Atherosclerosis
|
0.020 |
Biomarker
|
disease |
BEFREE |
Induction of vascular GTP-cyclohydrolase I and endogenous tetrahydrobiopterin synthesis protect against inflammation-induced endothelial dysfunction in human atherosclerosis.
|
21969008 |
2011 |
Arthritis
|
0.010 |
Biomarker
|
disease |
BEFREE |
We investigated the induction of iNOS together with argininosuccinate synthase (AS) and GTP cyclohydrolase I (GTPCH), 2 of the rate-limiting enzymes for high output NO generation, in the Tg197 h-TNF-alpha transgenic model of arthritis.
|
12672181 |
2003 |
Borderline Personality Disorder
|
0.010 |
GeneticVariation
|
disease |
BEFREE |
An association study between BPD and a novel single nucleotide polymorphism (SNP) in GCHI (G to A at position -959 bp, upstream of the ATG codon), is also presented here.
|
15909293 |
2005 |
Bronchopulmonary Dysplasia
|
0.010 |
GeneticVariation
|
disease |
BEFREE |
An association study between BPD and a novel single nucleotide polymorphism (SNP) in GCHI (G to A at position -959 bp, upstream of the ATG codon), is also presented here.
|
15909293 |
2005 |
Diabetes
|
0.010 |
AlteredExpression
|
disease |
BEFREE |
In vivo activation of AMP-activated protein kinase attenuates diabetes-enhanced degradation of GTP cyclohydrolase I.
|
19528375 |
2009 |
Diabetes Mellitus, Non-Insulin-Dependent
|
0.010 |
GeneticVariation
|
disease |
BEFREE |
GTP cyclohydrolase I gene polymorphisms are associated with endothelial dysfunction and oxidative stress in patients with type 2 diabetes mellitus.
|
25369080 |
2014 |
Glioblastoma
|
0.010 |
Biomarker
|
disease |
BEFREE |
Reactive species balance via GTP cyclohydrolase I regulates glioblastoma growth and tumor initiating cell maintenance.
|
29409010 |
2018 |
Neuroblastoma
|
0.010 |
AlteredExpression
|
disease |
BEFREE |
Characterization of GTP cyclohydrolase I gene expression in the human neuroblastoma SKN-BE(2)M17: enhanced transcription in response to cAMP is conferred by the proximal promoter.
|
11701761 |
2001 |
Hypopigmentation disorder
|
0.010 |
AlteredExpression
|
disease |
BEFREE |
Patients with this depigmentation disorder have a 3- to 5-fold increase in GTP-cyclohydrolase I activity leading to an excessive de novo synthesis of (6R)5,6,7,8 tetrahydrobiopterin (6-BH4).
|
8204666 |
1994 |
Phenylketonuria II
|
0.010 |
GeneticVariation
|
disease |
BEFREE |
There were four cases (40%) with 6-pyruvoyl-tetrahydropterin synthase deficiency, three with GTP cyclohydrolase I - autosomal recessive form deficiency, and three with dihydropteridine reductase deficiency (30% each).
|
28801146 |
2018 |
Adult Glioblastoma
|
0.010 |
Biomarker
|
disease |
BEFREE |
Reactive species balance via GTP cyclohydrolase I regulates glioblastoma growth and tumor initiating cell maintenance.
|
29409010 |
2018 |
Childhood Glioblastoma
|
0.010 |
Biomarker
|
disease |
BEFREE |
Reactive species balance via GTP cyclohydrolase I regulates glioblastoma growth and tumor initiating cell maintenance.
|
29409010 |
2018 |
Clumsiness - motor delay
|
0.010 |
GeneticVariation
|
disease |
BEFREE |
Dystonia with motor delay in compound heterozygotes for GTP-cyclohydrolase I gene mutations.
|
9667588 |
1998 |
Central neuroblastoma
|
0.010 |
AlteredExpression
|
disease |
BEFREE |
Characterization of GTP cyclohydrolase I gene expression in the human neuroblastoma SKN-BE(2)M17: enhanced transcription in response to cAMP is conferred by the proximal promoter.
|
11701761 |
2001 |
Parkinsonism, Juvenile
|
0.010 |
AlteredExpression
|
disease |
BEFREE |
The result indicates that the decreased dopamine level in the basal ganglia in JP is not due to decreased activity of GTP cyclohydrolase I, the enzyme for the biosynthesis of the tetrahydrobiopterin cofactor of tyrosine hydroxylase (TH), and the enzyme activity in mononuclear blood cells could be a reliable method for differential diagnosis between JP and HPD/DRD.
|
7644124 |
1995 |
Cardiomyopathy, Familial Idiopathic
|
0.010 |
AlteredExpression
|
disease |
BEFREE |
The present study was designed to determine the GCHI mRNA expression as well as to confirm iNOS mRNA expression in endomyocardial biopsy specimens from patients with DCM.
|
15698596 |
2005 |
Glioblastoma Multiforme
|
0.010 |
Biomarker
|
disease |
BEFREE |
Reactive species balance via GTP cyclohydrolase I regulates glioblastoma growth and tumor initiating cell maintenance.
|
29409010 |
2018 |
AMYOTROPHIC LATERAL SCLEROSIS 2, JUVENILE (disorder)
|
0.010 |
Biomarker
|
disease |
BEFREE |
Cloning and characterization of three novel genes, ALS2CR1, ALS2CR2, and ALS2CR3, in the juvenile amyotrophic lateral sclerosis (ALS2) critical region at chromosome 2q33-q34: candidate genes for ALS2.
|
11161814 |
2001 |
Early onset torsion dystonia
|
0.010 |
GeneticVariation
|
disease |
BEFREE |
Advances in the molecular genetics of dystonia have led to the recent identification of a 3-bp deletion in the DYT1 gene, causing early-onset generalized torsion dystonia (TD), and to the detection of mutations in the GTP cyclohydrolase I and the tyrosine hydroxylase genes causing dopa-responsive dystonia (DYT5).
|
12194383 |
1999 |