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Skeletal malformations of Meox1‐deficient zebrafish resemble human Klippel–Feil syndrome
Author(s) -
Dauer Mervyn V. P.,
Currie Peter D.,
Berger Joachim
Publication year - 2018
Publication title -
journal of anatomy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.932
H-Index - 118
eISSN - 1469-7580
pISSN - 0021-8782
DOI - 10.1111/joa.12890
Subject(s) - zebrafish , klippel–feil syndrome , biology , anatomy , deformity , genetics , pathology , medicine , gene
Klippel–Feil syndrome is a congenital vertebral anomaly, which is characterised by the fusion of at least two cervical vertebrae and a clinically broad set of symptoms, including congenital scoliosis and elevated scapula (Sprengel's deformity). Klippel–Feil syndrome is associated with mutations in MEOX 1 . The zebrafish mutant choker ( cho ) carries a mutation in its orthologue, meox1 . Although zebrafish is being increasingly employed as fidelitous models of human spinal disease, the vertebral column of Meox1‐deficient fish has not been assessed for defects. Here, we describe the skeletal defects of meox1 cho mutant zebrafish utilising alizarin red to stain bones and chemical maceration of soft tissue to detect fusions in an unbiased manner. Obtained data reveal that meox1 cho mutants feature aspects of a number of described symptoms of patients who suffer from Klippel–Feil syndrome and have mutations in MEOX 1 . These include vertebral fusion, congenital scoliosis and an asymmetry of the pectoral girdle, which resembles Sprengel's deformity. Thus, the meox1 cho mutant zebrafish may serve as a useful tool to study the pathogenesis of the symptoms associated with Klippel–Feil syndrome.

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