A novel compound WISP3 mutation in a Chinese family with progressive pseudorheumatoid dysplasia

Gene
Haiyang LuoYuming Xu

Abstract

Progressive pseudorheumatoid dysplasia (PPD) is an extremely rare autosomal recessive genetic disease caused by mutation of the Wnt1-inducible signaling pathway protein 3 (WISP3) gene. Here, we characterize the clinical manifestations and features of PPD and screen for WISP3 mutations. We performed genetic testing for PPD in a Chinese family, after investigating the clinical particulars and family history, in addition to 200 healthy individuals, who served as the controls for this study. All 5 exons and the exon-intron boundaries of the WISP3 gene were amplified by polymerase chain reaction (PCR) and sequenced directly. We identified a missense mutation (c.667T>G, p.C223G) in the maternal allele and a nonsense mutation (c.756C>A, p.C252X) in the paternal allele in the two affected individuals. To our knowledge, the mutation c.756C>A has not been reported previously. In these patients, there was a specific period when their condition markedly improved after having been very serious. Moreover, severe compression of lumbar spinal cord led to conspicuous spinal disorders in the proband. Our study suggests that novel C223G and C252X mutations in exon 4 of the WISP3 gene are responsible for PPD in Chinese patients. Furthermore, we re...Continue Reading

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Citations

Jun 3, 2016·Journal of Cell Science·Milan PatraMalini Sen
Oct 20, 2019·Clinical Rheumatology·Ali Al KaissiSusanne Gerit Kircher
Jul 21, 2020·FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology·Deepesh Kumar PadhanMalini Sen
Nov 3, 2017·Cold Spring Harbor Molecular Case Studies·M Reza SailaniMichael P Snyder
Oct 18, 2018·Rheumatology International·Sofia TorreggianiGiovanni Filocamo
Mar 2, 2021·Frontiers in Cell and Developmental Biology·Archya SenguptaMalini Sen

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