Leukodystrophy, Metachromatic
|
0.300 |
AlteredExpression
|
disease |
BEFREE |
Metachromatic leukodystrophy (MLD) is a rare lysosomal disorder caused by deficient activity of arylsulfatase A or the lack of saposin B, which results in the accumulation of sulfatide in the oligodendrocytes and in the Schwann cells.
|
24411407 |
2014 |
Metachromatic leukodystrophy, juvenile type
|
0.300 |
GermlineCausalMutation
|
disease |
ORPHANET |
A novel homozygous splicing mutation in PSAP gene causes metachromatic leukodystrophy in two Moroccan brothers.
|
24478108 |
2014 |
Metachromatic Leukodystrophy, Adult-Type (disorder)
|
0.300 |
GermlineCausalMutation
|
disease |
ORPHANET |
A novel homozygous splicing mutation in PSAP gene causes metachromatic leukodystrophy in two Moroccan brothers.
|
24478108 |
2014 |
Leukodystrophy, Metachromatic
|
0.300 |
Biomarker
|
disease |
MGD |
Tissue-specific effects of saposin A and saposin B on glycosphingolipid degradation in mutant mice.
|
23446636 |
2013 |
Leukodystrophy, Metachromatic
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
This genomic interval contains 95 known genes including the Prosaposin gene (PSAP) responsible for metachromatic leukodystrophy, which was excluded.
|
20721593 |
2011 |
Leukodystrophy, Metachromatic
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
Prosaposin deficiency and saposin B deficiency (activator-deficient metachromatic leukodystrophy): report on two patients detected by analysis of urinary sphingolipids and carrying novel PSAP gene mutations.
|
19267410 |
2009 |
Leukodystrophy, Metachromatic
|
0.300 |
AlteredExpression
|
disease |
BEFREE |
Saposin B-dependent reconstitution of arylsulfatase A activity in vitro and in cell culture models of metachromatic leukodystrophy.
|
19224915 |
2009 |
Leukodystrophy, Metachromatic
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
Molecular analysis of ARSA and PSAP genes in twenty-one Italian patients with metachromatic leukodystrophy: identification and functional characterization of 11 novel ARSA alleles.
|
18693274 |
2008 |
Leukodystrophy, Metachromatic
|
0.300 |
Biomarker
|
disease |
MGD |
Neurological deficits and glycosphingolipid accumulation in saposin B deficient mice.
|
18480170 |
2008 |
Leukodystrophy, Metachromatic
|
0.300 |
Biomarker
|
disease |
BEFREE |
Metachromatic leukodystrophy (MLD) is a lysosomal storage disease caused by the deficiency of arylsulfatase A (ARSA) or saposin B.
|
14680985 |
2003 |
Leukodystrophy, Metachromatic
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
We identified a previously undescribed mutation (N215K) in the prosaposin gene of a patient with metachromatic leukodystrophy but with normal arylsulphatase A activity and elevated sulphatide in urine.
|
10196694 |
1999 |
Leukodystrophy, Metachromatic
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
Recently, patients have been identified who have a variant form of metachromatic leukodystrophy which is characterized by mutations in the gene coding for SAP-1, which is also called "prosaposin."
|
1350885 |
1992 |
Leukodystrophy, Metachromatic
|
0.300 |
Biomarker
|
disease |
BEFREE |
The mechanism for a 33-nucleotide insertion in mRNA causing sphingolipid activator protein (SAP-1)-deficient metachromatic leukodystrophy.
|
2066109 |
1991 |
Leukodystrophy, Metachromatic
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
Detection of a point mutation in sphingolipid activator protein-1 mRNA in patients with a variant form of metachromatic leukodystrophy.
|
2302219 |
1990 |
Globoid cell leukodystrophy
|
0.250 |
GeneticVariation
|
disease |
BEFREE |
We present this case to add to the literature on the rare diagnosis of atypical Krabbe disease due to saposin A deficiency, to report a novel presumed pathogenic variant within PSAP, and to suggest that individuals with saposin A deficiency may have elevated levels of psychosine, similar to children with classic Krabbe disease due to GALC deficiency.
|
31439510 |
2020 |
Globoid cell leukodystrophy
|
0.250 |
Biomarker
|
disease |
BEFREE |
The patient's phenotype depends then on the nature of the second allele - atypical Gaucher disease in case of saposin A, MLD in case of saposin B, and Krabbe disease in case of saposin C impairing mutations.
|
30632081 |
2019 |
Globoid cell leukodystrophy
|
0.250 |
Biomarker
|
disease |
MGD |
Tissue-specific effects of saposin A and saposin B on glycosphingolipid degradation in mutant mice.
|
23446636 |
2013 |
Globoid cell leukodystrophy
|
0.250 |
GeneticVariation
|
disease |
BEFREE |
A mutation in the saposin A coding region of the prosaposin gene in an infant presenting as Krabbe disease: first report of saposin A deficiency in humans.
|
15773042 |
2005 |
Globoid cell leukodystrophy
|
0.250 |
Biomarker
|
disease |
MGD |
The recently developed saposin A-/- mice showed a chronic form of globoid cell leukodystrophy, establishing the essential in vivo role of saposin A as an activator for galactosylceramidase to degrade galactosylceramide.
|
12810822 |
2003 |
Globoid cell leukodystrophy
|
0.250 |
Biomarker
|
disease |
BEFREE |
Recently, deficiency of one of the sphingolipid activator proteins, saposin A, was demonstrated to cause a late-onset, slowly progressive globoid cell leukodystrophy at least in the mouse, with all of the phenotypic consequences of impaired degradation of galactosylceramidase substrates.
|
14572137 |
2003 |
Globoid cell leukodystrophy
|
0.250 |
Biomarker
|
disease |
MGD |
A mutation in the saposin A domain of the sphingolipid activator protein (prosaposin) gene results in a late-onset, chronic form of globoid cell leukodystrophy in the mouse.
|
11371512 |
2001 |
Globoid cell leukodystrophy
|
0.250 |
Biomarker
|
disease |
MGD |
Dramatic phenotypic improvement during pregnancy in a genetic leukodystrophy: estrogen appears to be a critical factor.
|
11726558 |
2001 |
Globoid cell leukodystrophy
|
0.250 |
GeneticVariation
|
disease |
BEFREE |
A mutation in the saposin A domain of the sphingolipid activator protein (prosaposin) gene results in a late-onset, chronic form of globoid cell leukodystrophy in the mouse.
|
11371512 |
2001 |
Gaucher Disease
|
0.100 |
Biomarker
|
disease |
BEFREE |
No immunoreactivity against sapC was detected in healthy donors and in other plasma cell dyscrasias, demonstrating that anti-sapC reactivity is highly restricted to GD.
|
30450574 |
2019 |
Gaucher Disease
|
0.100 |
GeneticVariation
|
disease |
BEFREE |
The patient's phenotype depends then on the nature of the second allele - atypical Gaucher disease in case of saposin A, MLD in case of saposin B, and Krabbe disease in case of saposin C impairing mutations.
|
30632081 |
2019 |