Source:http://linkedlifedata.com/resource/pubmed/id/10215408
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
4
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pubmed:dateCreated |
1999-4-19
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pubmed:abstractText |
RT-PCR and direct sequence analyses were used to define mutations in the cystathionine beta-synthase (CBS) gene in two unrelated male patients with vitamin B6 nonresponsive homocystinuria. Both patients were compound heterozygotes for CBS alleles containing point mutations. One patient had a maternally derived G->A transition in the splice-donor site of intron 1, resulting in aberrant splicing of CBS mRNA. The other allele contained a missense mutation resulting in the previously reported E144K mutant CBS protein. The second patient had a maternally derived 4 bp insertion in exon 17, predicted to cause a CBS peptide of altered amino acid sequence. A 494G->A transition was found in exon 4 of the other allele, predicting a C165Y substitution. Expression of recombinant CBS protein, containing the C165Y mutation, had no detectable catalytic activity. Each mutation was confirmed in genomic DNA.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:issn |
1059-7794
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
11
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
332
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pubmed:dateRevised |
2004-11-17
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pubmed:meshHeading |
pubmed-meshheading:10215408-Alternative Splicing,
pubmed-meshheading:10215408-Cystathionine beta-Synthase,
pubmed-meshheading:10215408-DNA Mutational Analysis,
pubmed-meshheading:10215408-DNA Transposable Elements,
pubmed-meshheading:10215408-Homocystinuria,
pubmed-meshheading:10215408-Humans,
pubmed-meshheading:10215408-Male,
pubmed-meshheading:10215408-Mutation,
pubmed-meshheading:10215408-Mutation, Missense,
pubmed-meshheading:10215408-Reverse Transcriptase Polymerase Chain Reaction
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pubmed:year |
1998
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pubmed:articleTitle |
Mutational analysis of the cystathionine beta-synthase gene: a splicing mutation, two missense mutations and an insertion in patients with homocystinuria. Mutations in brief no. 120. Online.
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pubmed:affiliation |
Department of Medicine, University of Queensland, Princess Alexandra Hospital, Brisbane 4102, Australia. agordon@ozemail.com.au
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pubmed:publicationType |
Journal Article,
Case Reports
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