A type X collagen mutation causes Schmid metaphyseal chondrodysplasia. 1993

M L Warman, and M Abbott, and S S Apte, and T Hefferon, and I McIntosh, and D H Cohn, and J T Hecht, and B R Olsen, and C A Francomano
Department of Anatomy and Cellular Biology, Harvard Medical School, Boston, Massachusetts 02115.

The expression of type X collagen is restricted to hypertrophic chondrocytes in regions undergoing endochondral ossification, such as growth plates. The precise function of type X collagen is unknown but the tissue-specific expression prompted us to examine the gene in hereditary disorders of cartilage and bone growth (osteochondrodysplasias). We have identified a 13 base pair deletion in one type X collagen allele segregating with autosomal dominant Schmid metaphyseal chondrodysplasia in a large Mormon kindred (lod score = 18.2 at theta = 0). The mutation produces a frameshift which alters the highly conserved C-terminal domain of the alpha 1(X) chain and reduces the length of the polypeptide by nine residues. This mutation may prevent association of the mutant polypeptide during trimer formation, resulting in a decreased amount of normal protein.

UI MeSH Term Description Entries
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
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
D010375 Pedigree The record of descent or ancestry, particularly of a particular condition or trait, indicating individual family members, their relationships, and their status with respect to the trait or condition. Family Tree,Genealogical Tree,Genealogic Tree,Genetic Identity,Identity, Genetic,Family Trees,Genealogic Trees,Genealogical Trees,Genetic Identities,Identities, Genetic,Tree, Family,Tree, Genealogic,Tree, Genealogical,Trees, Family,Trees, Genealogic,Trees, Genealogical
D002417 Cattle Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor. Beef Cow,Bos grunniens,Bos indicus,Bos indicus Cattle,Bos taurus,Cow,Cow, Domestic,Dairy Cow,Holstein Cow,Indicine Cattle,Taurine Cattle,Taurus Cattle,Yak,Zebu,Beef Cows,Bos indicus Cattles,Cattle, Bos indicus,Cattle, Indicine,Cattle, Taurine,Cattle, Taurus,Cattles, Bos indicus,Cattles, Indicine,Cattles, Taurine,Cattles, Taurus,Cow, Beef,Cow, Dairy,Cow, Holstein,Cows,Dairy Cows,Domestic Cow,Domestic Cows,Indicine Cattles,Taurine Cattles,Taurus Cattles,Yaks,Zebus
D002645 Chickens Common name for the species Gallus gallus, the domestic fowl, in the family Phasianidae, order GALLIFORMES. It is descended from the red jungle fowl of SOUTHEAST ASIA. Gallus gallus,Gallus domesticus,Gallus gallus domesticus,Chicken
D003094 Collagen A polypeptide substance comprising about one third of the total protein in mammalian organisms. It is the main constituent of SKIN; CONNECTIVE TISSUE; and the organic substance of bones (BONE AND BONES) and teeth (TOOTH). Avicon,Avitene,Collagen Felt,Collagen Fleece,Collagenfleece,Collastat,Dermodress,Microfibril Collagen Hemostat,Pangen,Zyderm,alpha-Collagen,Collagen Hemostat, Microfibril,alpha Collagen
D004252 DNA Mutational Analysis Biochemical identification of mutational changes in a nucleotide sequence. Mutational Analysis, DNA,Analysis, DNA Mutational,Analyses, DNA Mutational,DNA Mutational Analyses,Mutational Analyses, DNA
D005796 Genes A category of nucleic acid sequences that function as units of heredity and which code for the basic instructions for the development, reproduction, and maintenance of organisms. Cistron,Gene,Genetic Materials,Cistrons,Genetic Material,Material, Genetic,Materials, Genetic
D005799 Genes, Dominant Genes that influence the PHENOTYPE both in the homozygous and the heterozygous state. Conditions, Dominant Genetic,Dominant Genetic Conditions,Genetic Conditions, Dominant,Condition, Dominant Genetic,Dominant Gene,Dominant Genes,Dominant Genetic Condition,Gene, Dominant,Genetic Condition, Dominant
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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