Source:http://linkedlifedata.com/resource/pubmed/id/15880723
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| Predicate | Object |
|---|---|
| rdf:type | |
| lifeskim:mentions |
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umls-concept:C1883221,
umls-concept:C2827424
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| pubmed:issue |
6
|
| pubmed:dateCreated |
2005-5-16
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| pubmed:abstractText |
Pseudoachondroplasia (PSACH) and some forms of multiple epiphyseal dysplasia (MED) result from mutations in the gene encoding cartilage oligomeric matrix protein (COMP). COMP is a large pentameric glycoprotein found predominantly in the extracellular matrix of cartilage, tendon, and ligament. As a modular protein, it is composed of a coiled-coil domain, four type II (T2) repeats, eight type III (T3) repeats, and a large globular C-terminal domain (CTD). The majority (>85%) of COMP mutations causing PSACH or MED are found in the exons encoding the T3 repeats, and the disease mechanism has been characterised in detail. Much less is known about disease-causing mutations in the CTD; in 10 years only seven mutations have been identified. In this study, we describe eight novel and two recurrent mutations that we have recently identified in patients with PSACH or MED. Interestingly, these mutations result in a spectrum of disease, ranging from mild MED to severe PSACH. Mapping of all known COMP CTD mutations on a three-dimensional model of the C-terminal domain shows that the CTD mutations cluster in two distinct regions. These regions are probably important in stabilising the T3-CTD structure and mediating intra- or intermolecular interactions.
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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:month |
Jun
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| pubmed:issn |
1098-1004
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| pubmed:author |
pubmed-author:BarkerFaye SFS,
pubmed-author:BellaJordiJ,
pubmed-author:BriggsMichael DMD,
pubmed-author:EllesRobR,
pubmed-author:JacksonGail CGC,
pubmed-author:KennedyJasonJ,
pubmed-author:MortierGeert RGR,
pubmed-author:NeasKatherineK,
pubmed-author:NundlallSeemaS,
pubmed-author:ThompsonElizabethE,
pubmed-author:WrightMichael JMJ
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| pubmed:issnType |
Electronic
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| pubmed:volume |
25
|
| pubmed:owner |
NLM
|
| pubmed:authorsComplete |
Y
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| pubmed:pagination |
593-4
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| pubmed:meshHeading |
pubmed-meshheading:15880723-Achondroplasia,
pubmed-meshheading:15880723-Child,
pubmed-meshheading:15880723-Child, Preschool,
pubmed-meshheading:15880723-DNA Mutational Analysis,
pubmed-meshheading:15880723-Exons,
pubmed-meshheading:15880723-Extracellular Matrix Proteins,
pubmed-meshheading:15880723-Glycoproteins,
pubmed-meshheading:15880723-Humans,
pubmed-meshheading:15880723-Models, Molecular,
pubmed-meshheading:15880723-Mutation,
pubmed-meshheading:15880723-Phenotype
|
| pubmed:year |
2005
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| pubmed:articleTitle |
Novel and recurrent mutations in the C-terminal domain of COMP cluster in two distinct regions and result in a spectrum of phenotypes within the pseudoachondroplasia -- multiple epiphyseal dysplasia disease group.
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| pubmed:affiliation |
National Genetics Reference Laboratory (Manchester) and Regional Genetics Service, St Mary's Hospital, Manchester, M13 0JH, United Kingdom.
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| pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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