Somatic mosaicism and the phenotypic expression of COL2A1 mutations.

Abstract excerpt

Mutations in COL2A1, the gene for type II-collagen, can result in a wide variety of phenotypes depending upon the nature of the mutation. Dominant negative mutations tend to result in severe and often lethal skeletal dysplasias such as achondrogenesis type 2, Kniest dysplasia, and spondyloepiphyseal dysplasia congenita. Stickler syndrome, a condition characterized by ophthalmological and orofacial features,...

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