Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Inherited mutation of hypoxanthine guanine phosphoribosyltransferase (HPRT) gives rise to Lesch-Nyhan syndrome or HPRT-related gout.
|
20544509 |
2010 |
Lesch-Nyhan Syndrome
|
1.000 |
Biomarker
|
disease |
BEFREE |
Adenosine transport in HPRT deficient lymphocytes from Lesch-Nyhan disease patients.
|
15571229 |
2004 |
Lesch-Nyhan Syndrome
|
1.000 |
Biomarker
|
disease |
CLINGEN |
A potential animal model for Lesch-Nyhan syndrome through introduction of HPRT mutations into mice.
|
3029599 |
1987 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Inherited mutations in the human HPRT1 gene result in three different phenotypes: Lesch-Nyhan syndrome (LNS or LND), LND variants, and HPRT-related hyperuricemia (HRH).
|
15146465 |
2004 |
Lesch-Nyhan Syndrome
|
1.000 |
Biomarker
|
disease |
BEFREE |
Hypoxanthine-guanine phosphoribosyltransferase is virtually inactive in erythrocytes from patients with the classical Lesch-Nyhan syndrome.
|
4322125 |
1971 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
LHGDN |
In contrast with the most severe phenotype of classical Lesch-Nyhan disease (LND), the least severe phenotype is characterized by hyperuricemia without any neurological or behavioral abnormality, and designated HPRT-related hyperuricemia (HRH).
|
18409516 |
2008 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
The HPRTMidland mutation affects a different domain of HPRT than the HPRTFlint mutation located at 167 nt away.
|
3265398 |
1988 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Mutation analysis revealed a deletion of exon 2 and 3 of the HPRT gene confirming the diagnosis of Lesch-Nyhan Disease (LND).
|
27185581 |
2016 |
Lesch-Nyhan Syndrome
|
1.000 |
Biomarker
|
disease |
MGD |
Dopamine deficiency in a genetic mouse model of Lesch-Nyhan disease.
|
7509865 |
1994 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
LHGDN |
Lesch-Nyhan disease in a female with a clinically normal monozygotic twin.
|
15862283 |
2005 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Mutations in the X chromosome hypoxanthine-guanine phosphoribosyl transferase (HPRT) gene are responsible for Lesch-Nyhan syndrome and related diseases in humans.
|
15140374 |
2004 |
Lesch-Nyhan Syndrome
|
1.000 |
Biomarker
|
disease |
CLINGEN |
Identification of mutations leading to the Lesch-Nyhan syndrome by automated direct DNA sequencing of in vitro amplified cDNA.
|
2928313 |
1989 |
Lesch-Nyhan Syndrome
|
1.000 |
AlteredExpression
|
disease |
BEFREE |
This is the first report of a patient with Lesch-Nyhan syndrome due to a defect in HPRT gene expression regulation.
|
18316217 |
2008 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
The patient was diagnosed with Lesch-Nyhan disease and showed a new mutation, a deletion of two bases in exon 3 of the HPRT gene (c.269-270delAT).
|
17416296 |
2007 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Up to 25-30% of HPRT deficient patients, indicated as neurological variants or HPRT-related hyperuricemia with neurological dysfunction (HRND), may develop neurological manifestation, from mild to severe; the most serious ones manifesting in the devastating Lesch-Nyhan syndrome, characterized by choreoathetosis or self-mutilation.
|
12508781 |
2003 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
UNIPROT |
Molecular analyses of a Lesch-Nyhan syndrome mutation (hprtMontreal) by use of T-lymphocyte cultures.
|
2358296 |
1990 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
We report here a newly identified HPRT mutation in a Japanese patient with Lesch-Nyhan syndrome.
|
1282899 |
1992 |
Lesch-Nyhan Syndrome
|
1.000 |
AlteredExpression
|
disease |
BEFREE |
In contrast, some hair roots from carriers of HPRT deficiency contained two zones of activity with the same relative proportion of APRT and HPRT as hair roots of normal homozygotes, while others contained decreased amounts of HPRT activity.
|
7398108 |
1980 |
Lesch-Nyhan Syndrome
|
1.000 |
Biomarker
|
disease |
BEFREE |
Hypoxanthine-guanine phosphoribosyltransferase (HPRT) deficiency is an inborn error of purine metabolism responsible for Lesch-Nyhan Disease (LND) and its partial phenotypes, HPRT-related hyperuricemia with neurologic dysfunction (HRND) and hyperuricemia alone.
|
17454734 |
2007 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Molecular characterization of two deletion events involving Alu-sequences, one novel base substitution and two tentative hotspot mutations in the hypoxanthine phosphoribosyltransferase (HPRT) gene in five patients with Lesch-Nyhan syndrome.
|
9799086 |
1998 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
A new mutation in the HPRT gene has been determined in one patient with complete deficiency of erythrocyte activity, with hyperuricemia and gout but without Lesch-Nyhan disease.
|
16216473 |
2006 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Molecular analysis reveals the heterogeneity of genetic mutation of the HPRT1 gene responsible for the HGprt deficiency.
|
28045594 |
2017 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
A G-to-A substitution at base 208 in exon 3, which predicted glycine 70 to arginine, was detected in the LNS patient (identical mutation with HPRT Utrecht).
|
8112742 |
1994 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
UNIPROT |
Identification of a new missense mutation in exon 2 of the human hypoxanthine phosphoribosyltransferase gene (HPRTIsar): a further example of clinical heterogeneity in HPRT deficiencies.
|
7627191 |
1995 |
Lesch-Nyhan Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
The mutation in HPRTFlint disrupts a strongly conserved region among PRTases from Escherichia coli, rodents and man, suggesting an important role for this region for the normal function of HPRT.
|
3384338 |
1988 |