A novel mutation in TRPV3 gene causes atypical familial Olmsted syndrome

Scientific Reports
Cheng NiZhirong Yao

Abstract

Olmsted syndrome (OS) is a rare keratinization disorder, typically characterized by two primary diagnostic hallmarks--mutilating palmoplanter and periorificial keratoderma. However, there's a growing body of literature reporting on the phenotypic diversity of OS, including the absence of aforementioned hallmarks and the presence of some unusual clinical features. Here we presented an atypical familial case of OS that could be confused with Huriez syndrome due to the presence of a scleodactyly-like appearance and tapered fingers in the proband. We ruled out this possibility and made a definitive diagnosis of OS based on clinical features and a genetic assay. Recently, mutations in TRPV3 associated with autosomal dominant or recessive OS continued to be reported, thus conducing to clarifying the underlying relationship between the genotype and phenotype of OS. So we further explored the genotype-phenotype correlation by integrating functionl assays with in silico predictions. Our research not only redefined the phenotypic spectrum of OS, but also provided concrete molecular insights into how mutations in a single gene can lead to significant differences in the severity of this rare disease.

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Citations

Sep 13, 2016·Pharmaceuticals·Lisa M BroadKelly L Knopp
Mar 1, 2018·Journal of the European Academy of Dermatology and Venereology : JEADV·L GuerraG Zambruno
Feb 6, 2020·Cells·Aurélien HaustrateV'yacheslav Lehen'kyi
Aug 22, 2018·Nature Structural & Molecular Biology·Appu K SinghAlexander I Sobolevsky
Nov 16, 2018·Nature Communications·Lejla ZubcevicSeok-Yong Lee
May 16, 2020·Clinical and Experimental Dermatology·F P-C ChiuC-K Hsu
Aug 17, 2020·The Journal of Investigative Dermatology·Weilong ZhongYong Yang
Mar 22, 2021·Journal of Translational Medicine·Natarin CaengprasathVorasuk Shotelersuk
Jul 14, 2021·Journal of Cell Science·Lixia Yue, Haoxing Xu
Sep 3, 2021·EMBO Reports·Arthur NeubergerAlexander I Sobolevsky

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Methods Mentioned

BETA
biopsy
transfection
flow cytometry
amputation
amino acid exchange
PCR
light microscopy

Software Mentioned

PyMOL
ConSurf
Primer
DUET
model sever
mCSM
RosettaBackrub
Swiss

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