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  • Title: Identification of three novel mutations in the COL2A1 gene in four unrelated Chinese families with spondyloepiphyseal dysplasia congenita.
    Author: Zhang Z, He JW, Fu WZ, Zhang CQ, Zhang ZL.
    Journal: Biochem Biophys Res Commun; 2011 Oct 07; 413(4):504-8. PubMed ID: 21924244.
    Abstract:
    INTRODUCTION: Spondyloepiphyseal dysplasia congenita (SEDC) is an autosomal dominant skeletal dysplasia characterized by short stature, abnormal epiphyses, and flattened vertebral bodies. The condition occurs through a mutation in the COL2A1 gene that encodes the type II procollagen alpha1 chain (proalpha1 (II)). METHOD AND RESULTS: We investigated nine affected individuals from four unrelated Chinese families with SEDC. We screened for COL2A1 gene mutations, and identified found four missense mutations (G447A, G456A, R789C and G1152D). The G447A, G456A and G1152D mutations are novel and the R789C mutation has been reported previously in several other studies with a strikingly similar phenotype. CONCLUSIONS: Our study extends the mutation spectrum of SEDC and is helpful in early molecular diagnoses of SEDC.
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