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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
2002-11-20
pubmed:abstractText
Mucopolysaccharidosis IVA (MPS IVA) is a lysosomal storage disorder caused by the deficiency of N-acetylgalactosamine-6-sulfate sulfatase (GALNS; EC 3.1.6.4). The deficiency of N-acetylgalactosamine-6-sulfate sulfatase leads to lysosomal accumulation of undegraded glycosaminoglycans, keratan sulfate and chondroitin-6-sulfate. Mutation screening of the GALNS gene was performed by SSCP and direct sequence analyses using genomic DNA samples from 10 Morquio A patients. By nonradioactive SSCP screening, 6 different gene mutations and 2 polymorphisms were identified in 10 severely affected MPS IVA patients. Five of the mutations and one of the polymorphisms are novel. The vast majority of the gene alterations were found to be single nucleotide deletions (389delG, 929delG, and 763delT) or insertions (1232-1233insT). The other two mutations were one previously identified missense mutation (Q473X) and one novel nonsense (P179S) mutation. Together they account for 95% of the disease alleles of the patients investigated. Beside mutations, one previously identified E477 polymorphism and one novel W520 polymorphism were found among Turkish MPS IVA patients.
pubmed:language
eng
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:author
pubmed:copyrightInfo
Copyright 2002 Wiley-Liss, Inc.
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
477-8
pubmed:dateRevised
2004-11-17
pubmed:articleTitle
Molecular analysis of Turkish mucopolysaccharidosis IVA (Morquio A) patients: identification of novel mutations in the N-acetylgalactosamine-6-sulfate sulfatase (GALNS) gene.
pubmed:affiliation
Department of Medical Biology, Faculty of Medicine, University of Hacettepe, Ankara, Turkey. mugen@hacettepe.edu.tr