Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1996-9-27
pubmed:abstractText
Metachromatic leukodystrophy is a lysosomal storage disorder caused by the deficiency of arylsulfatase A. We describe a novel missense mutation in exon 6 causing the substitution of Asp335 by Val. In transient transfections no enzyme activity could be expressed from the arylsulfatase A cDNA carrying this mutation. Examination of the effects of the mutation in cells stably overexpressing the mutant enzyme revealed, that the mutant enzyme is catalytically inactive and degraded in an early biosynthetic compartment. We have also investigated the effects of a previously identified mutation (T274M). The specific catalytic activity of the Met274 substituted arylsulfatase is reduced to about 35% of the normal enzyme when measured with an artificial substrate. Most of this enzyme is also degraded in an early biosynthetic compartment.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
1059-7794
pubmed:author
pubmed:issnType
Print
pubmed:volume
7
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
311-7
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1996
pubmed:articleTitle
Characterization of two arylsulfatase A missense mutations D335V and T274M causing late infantile metachromatic leukodystrophy.
pubmed:affiliation
Department of Biochemistry, Christian Albrechts Universität, Kiel, Germany.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't