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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
2010-5-3
pubmed:abstractText
Mucopolysaccharidosis III D (Sanfilippo disease type D, MPS IIID) is a rare autosomal recessive lysosomal storage disorder previously described in only 20 patients. MPS IIID is caused by a deficiency of N-acetylglucosamine-6-sulphate sulphatase (GNS), one of the enzymes required for the degradation of heparan sulphate. So far only seven mutations in the GNS gene have been reported. The clinical phenotype of 12 new MPS IIID patients from 10 families was studied. Mutation analysis of GNS was performed in 16 patients (14 index cases). Clinical signs and symptoms of the MPS IIID patients appeared to be similar to previously described patients with MPS III. Early development was normal with onset of behavioral problems around the age of 4 years, followed by developmental stagnation, deterioration of verbal communication and subsequent deterioration of motor functions. Sequence analysis of the coding regions of the gene encoding GNS (GNS) resulted in the identification of 15 novel mutations: 3 missense mutations, 1 nonsense mutation, 4 splice site mutations, 3 frame shift mutations, 3 large deletions and 1 in-frame small deletion. They include the first missense mutations and a relatively high proportion of large rearrangements, which warrants the inclusion of quantitative techniques in routine mutation screening of the GNS gene.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
1098-1004
pubmed:author
pubmed-author:BürgerFriederikeF, pubmed-author:Bertoli-AvellaAida MAM, pubmed-author:BosschaartAd NAN, pubmed-author:CzartoryskaBarbaraB, pubmed-author:EckertDD, pubmed-author:ElfferichPeterP, pubmed-author:FilocamoMirellaM, pubmed-author:HalleyDicky J JDJ, pubmed-author:KariminejadRoxanaR, pubmed-author:NeijsSanneS, pubmed-author:NiermeijerMartinus FMF, pubmed-author:OlmerRenskeR, pubmed-author:OmranHeymutH, pubmed-author:PoorthuisBen J H MBJ, pubmed-author:PuissantHuguesH, pubmed-author:RuijterGeorge J GGJ, pubmed-author:SimeonovEmilE, pubmed-author:Suheyl EzgüFatihF, pubmed-author:TokatliAysegulA, pubmed-author:ValstarMarlies JMJ, pubmed-author:WesselsMarja WMW, pubmed-author:WeversRon ARA, pubmed-author:WillemsPatrick JPJ, pubmed-author:de GraafBiancaB, pubmed-author:van DiggelenOtto POP, pubmed-author:van den Bos-TerpstraFeikjeF
pubmed:copyrightInfo
(c) 2010 Wiley-Liss, Inc.
pubmed:issnType
Electronic
pubmed:volume
31
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
E1348-60
pubmed:meshHeading
pubmed:year
2010
pubmed:articleTitle
Mucopolysaccharidosis type IIID: 12 new patients and 15 novel mutations.
pubmed:affiliation
Department of Clinical Genetics, Erasmus University Medical Center, Dr. Molewaterplein 50, Rotterdam, The Netherlands.
pubmed:publicationType
Journal Article