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Wisp3 Mutation Associated With Pseudorheumatoid Dysplasia Publisher Pubmed



Sailani MR1 ; Chappell J1 ; Jingga I1 ; Narasimha A1 ; Zia A1 ; Lynch JL1 ; Mazrouei S2 ; Bernstein JA3 ; Aryani O4, 5 ; Snyder MP1
Authors

Source: Cold Spring Harbor Molecular Case Studies Published:2018


Abstract

Progressive pseudorheumatoid dysplasia (PPD) is a skeletal dysplasia characterized by predominant involvement of articular cartilage with progressive joint stiffness. Here we report genetic characterization of a consanguineous family segregating an uncharacterized from of skeletal dysplasia. Whole-exome sequencing of four affected siblings and their parents identified a loss-of-function homozygous mutation in the WISP3 gene, leading to diagnosis of PPD in the affected individuals. The identified variant (Chr6: 112382301; WISP3:c.156C>A p.Cys52) is rare and predicted to cause premature termination of the WISP3 protein. © 2018 Sailani et al.