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Mutations in SOX9, the gene responsible for Campomelic dysplasia and autosomal sex reversal. 1995

C Kwok, and P A Weller, and S Guioli, and J W Foster, and S Mansour, and O Zuffardi, and H H Punnett, and M A Dominguez-Steglich, and J D Brook, and I D Young
Department of Genetics, University of Cambridge, United Kingdom.

Campomelic dysplasia (CD) is a skeletal malformation syndrome frequently accompanied by 46,XY sex reversal. A mutation-screening strategy using SSCP was employed to identify mutations in SOX9, the chromosome 17q24 gene responsible for CD and autosomal sex reversal in man. We have screened seven CD patients with no cytologically detectable chromosomal aberrations and two CD patients with chromosome 17 rearrangements for mutations in the entire open reading frame of SOX9. Five different mutations have been identified in six CD patients: two missense mutations in the SOX9 putative DNA binding domain (high mobility group, or HMG, box); three frameshift mutations and a splice-acceptor mutation. An identical frameshift mutation is found in two unrelated 46,XY patients, one exhibiting a male phenotype and the other displaying a female phenotype (XY sex reversal). All mutations found affect a single allele, which is consistent with a dominant mode of inheritance. No mutations were found in the SOX9 open reading frame of two patients with chromosome 17q rearrangements, suggesting that the translocations affect SOX9 expression. These findings are consistent with the hypothesis that CD results from haploinsufficiency of SOX9.

UI MeSH Term Description Entries
D008297 Male Males
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D010009 Osteochondrodysplasias Abnormal development of cartilage and bone. Dyschondroplasias,Hyperostosis Corticalis Generalisata,Melnick-Needles Syndrome,Multiple Epiphyseal Dysplasia,Schwartz-Jampel Syndrome,Spondyloepiphyseal Dysplasia,Chondrodystrophic Myotonia,Dyschondroplasia,Endosteal Hyperostosis, Autosomal Recessive,Hyperphosphatasemia Tarda,Late-Onset Spondyloepiphyseal Dysplasia,Melnick-Needles Osteodysplasty,Myotonic Chondrodystrophy,Myotonic Myopathy, Dwarfism, Chondrodystrophy, And Ocular And Facial Abnormalities,Osteodysplasty of Melnick and Needles,SED Tarda,SJA Syndrome,Schwartz Jampel Aberfeld syndrome,Schwartz-Jampel Syndrome, Type 1,Schwartz-Jampel-Aberfeld Syndrome,Sost Sclerosing Bone Dysplasia,Sost-Related Sclerosing Bone Dysplasia,Spondylo-Epimetaphyseal Dysplasia With Myotonia,Spondyloepiphyseal Dysplasia Tarda, X-Linked,Spondyloepiphyseal Dysplasia, Late,Van Buchem Disease,X-Linked SED,X-Linked SEDT,X-Linked Spondyloepiphyseal Dysplasia Tarda,Chondrodystrophy, Myotonic,Dysplasia, Spondyloepiphyseal,Late Onset Spondyloepiphyseal Dysplasia,Late Spondyloepiphyseal Dysplasia,Melnick Needles Osteodysplasty,Melnick Needles Syndrome,Myotonia, Chondrodystrophic,Osteochondrodysplasia,Osteodysplasty, Melnick-Needles,SED, X-Linked,SEDT, X-Linked,Schwartz Jampel Syndrome,Schwartz Jampel Syndrome, Type 1,Spondyloepiphyseal Dysplasia Tarda, X Linked,Spondyloepiphyseal Dysplasia, Late-Onset,Syndrome, Schwartz-Jampel-Aberfeld,X Linked SED,X Linked SEDT,X Linked Spondyloepiphyseal Dysplasia Tarda
D002874 Chromosome Mapping Any method used for determining the location of and relative distances between genes on a chromosome. Gene Mapping,Linkage Mapping,Genome Mapping,Chromosome Mappings,Gene Mappings,Genome Mappings,Linkage Mappings,Mapping, Chromosome,Mapping, Gene,Mapping, Genome,Mapping, Linkage,Mappings, Chromosome,Mappings, Gene,Mappings, Genome,Mappings, Linkage
D002886 Chromosomes, Human, Pair 17 A specific pair of GROUP E CHROMOSOMES of the human chromosome classification. Chromosome 17
D005260 Female Females
D006239 Haplotypes The genetic constitution of individuals with respect to one member of a pair of allelic genes, or sets of genes that are closely linked and tend to be inherited together such as those of the MAJOR HISTOCOMPATIBILITY COMPLEX. Haplotype
D006609 High Mobility Group Proteins A family of low-molecular weight, non-histone proteins found in chromatin. HMG Proteins,Calf Thymus Chromatin Protein HMG,High Mobility Group Chromosomal Proteins
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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