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  • Title: Whole-exome sequencing reveals a novel COL2A1 mutation in a patient with spondylo-epiphyseal dysplasia congenita.
    Author: Sangsin A, Srichomthong C, Pongpanich M, Suphapeetiporn K, Shotelersuk V.
    Journal: Genet Mol Res; 2016 Mar 11; 15(1):15017624. PubMed ID: 26985960.
    Abstract:
    Skeletal dysplasia is a group of disorders with more than 450 entities, many of which cannot be differentiated, especially during infancy, but could lead to different clinical courses and prognoses. In this study, we have described a case of a Thai infant with short stature, flat face, pectus carinatum, indirect inguinal hernia, platyspondyly, and generalized delayed endochondral ossification. Using whole-exome sequencing (WES), we successfully identified a de novo heterozygous mutation, c.2024G>A (p.G675D), in the COL2A1 gene, which, to our knowledge, has not been previously reported. These molecular findings helped provide a definite diagnosis of spondyloepiphyseal dysplasia congenita, aiding in proper management of the disease and improved genetic counseling. We demonstrated that WES is an efficient and cost-effective tool for molecular diagnosis for a type II collagenopathy.
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