Mutational screening of the bone morphogenetic protein 4 gene in a family with fibrodysplasia ossificans progressiva.
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| Abstract |
Bone morphogenetic proteins have been proposed as candidate genes for fibrodysplasia ossificans progressiva. Bone morphogenetic protein 4 is overexpressed in cells derived from these patients. The bone morphogenetic protein 4 genes from a family showing autosomal dominant inheritance of fibrodysplasia ossificans progressiva have been screened for mutations by single strand conformation polymorphism analysis and deoxyribonucleic acid sequencing. The exon coding regions and splice junctions of the bone morphogenetic protein 4 gene have been examined for polymorphisms in all five family members. However, no mutation was discovered in these messenger ribonucleic acid and protein coding regions or in the splice junctions of affected or unaffected family members. In addition, approximately 1.5 kb of upstream flanking sequences also were examined. Neutral polymorphisms were identified in the upstream flanking region of the bone morphogenetic protein 4 gene. Although this study has not identified any mutations in the bone morphogenetic protein 4 gene that are correlated with the occurrence of fibrodysplasia ossificans progressiva, the bone morphogenetic protein 4 gene cannot yet be excluded from consideration as the genetic cause of this disorder because a mutation could be present in unexamined regulatory sequences of this gene.
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| Authors | M Xu, E M Shore |
| Journal | Clinical orthopaedics and related research (Clin Orthop Relat Res) Issue 346 Pg. 53-8 (Jan 1998) ISSN: 0009-921X [Print] United States |
| PMID | 9577410 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't, Research Support, U.S. Gov't, P.H.S.) |
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