Internal deletion in a collagen gene in a perinatal lethal form of osteogenesis imperfecta

Mon Li Chu, Charlene J. Williams, Gugliemina Pepe, Jeffrey L. Hirsch, Darwin J. Prockop, Francesco Ramirez

Research output: Contribution to journalArticlepeer-review

100 Scopus citations

Abstract

Cloned probes specific for unique genes have proven to be powerful tools in defining the nature of genetic diseases such as the thalassaemias1 and growth hormone deficiencies2. A similar approach should be useful in defining heritable diseases of type I collagen, the heterotrimer of two α1(I) chains and one α2(I) chain, which is the most abundant member of the collagen family of proteins. Recently, cloned cDNAs and genomic DNAs for the two polypeptide chains of the type I collagen3-10 have become available and have been used to elucidate the chromosomal location of the corresponding genes11-14. Here, we have used several of these cloned DNAs to demonstrate the presence of an internal deletion of about 0.5 kilobases (kb) in one allele for the proα1(I) chain in a patient with osteogenesis imperfecta (OI), a group of heritable disorders which are characterized by brittle bones but which are highly heterogeneous both phenotypically and biochemically15,16.

Original languageEnglish (US)
Pages (from-to)78-80
Number of pages3
JournalNature
Volume304
Issue number5921
DOIs
StatePublished - Dec 1 1983

All Science Journal Classification (ASJC) codes

  • General

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