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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2008-3-31
pubmed:abstractText
Wilson disease (WND), an autosomal recessive disorder of copper transport with a broad range of genotypic and phenotypic characteristics, results from mutations in the ATP7B gene. ATP7B encodes a copper transporting P-type ATPase involved in the transport of copper into the plasma protein ceruloplasmin, and for excretion of copper from the liver. Defects in ATP7B lead to copper storage in liver, brain and kidney. Mutation analysis was carried out on 300 WND patients of various origins, and new mutations not previously reported were identified: European white (p.L217X, c.918_931, c.1073delG, c.3082_3085delAAGAinsCG, p.V536A, p.S657R, p.A971V, p.T974M, p.Q1004P, p.D1164N, p.E1173G, p.I1230V, p.M1359I, c.2355+4A>G), Sephardic Jewish (p.Q286X), Filipino (p.G1149A), Lebanese (p.R1228T), Japanese (p.D1267V) and Taiwanese (p.A1328T). All but one missense variant have strong evidence for classification as disease-causing mutations. In the patients reported here, we also identified 20 nucleotide substitutions, six not previously reported, which cause silent amino acid changes or intronic changes. Documentation and characterization of all variants is essential for accurate DNA diagnosis in WND because of the wide range of clinical and biochemical variability.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
1090-6576
pubmed:author
pubmed:issnType
Print
pubmed:volume
12
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
139-45
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed-meshheading:18373411-5' Untranslated Regions, pubmed-meshheading:18373411-Adenosine Triphosphatases, pubmed-meshheading:18373411-Amino Acid Substitution, pubmed-meshheading:18373411-Cation Transport Proteins, pubmed-meshheading:18373411-Codon, Nonsense, pubmed-meshheading:18373411-DNA Mutational Analysis, pubmed-meshheading:18373411-Exons, pubmed-meshheading:18373411-Genetic Variation, pubmed-meshheading:18373411-Genotype, pubmed-meshheading:18373411-Hepatolenticular Degeneration, pubmed-meshheading:18373411-Humans, pubmed-meshheading:18373411-Introns, pubmed-meshheading:18373411-Models, Molecular, pubmed-meshheading:18373411-Mutation, pubmed-meshheading:18373411-Mutation, Missense, pubmed-meshheading:18373411-Phenotype, pubmed-meshheading:18373411-Protein Conformation, pubmed-meshheading:18373411-Sequence Deletion
pubmed:year
2008
pubmed:articleTitle
New mutations in the Wilson disease gene, ATP7B: implications for molecular testing.
pubmed:affiliation
Department of Medical Genetics, University of Alberta, Edmonton, Alberta, Canada.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't