ArticleMolecular genetics & genomic medicine2020
Whole-exome sequencing identified a novel variant in an Iranian patient affected by pycnodysostosis.
Article in Molecular genetics & genomic medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- A First-Case Report of Pycnodysostosis in an Omani Boy.Journal of pediatric genetics · 2022Article
- Novel imaging and clinical phenotypes of CONDSIAS disorder caused by a homozygous frameshift variant of ADPRHL2: a case report.BMC neurology · 2020Review
- An enormous Italian pedigree of Marfan syndrome with a novel mutation in the FBN1 gene.Clinical case reports · 2020Article
- Whole-exome sequencing identified a novel variant in an Iranian patient affected by pycnodysostosis.Molecular genetics & genomic medicine · 2020Article
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8 authors.
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Abstract
backgroundWhole-exome sequencing (WES) has emerged as a successful diagnostic tool in molecular genetics laboratories worldwide. In this study, we aimed to find the potential genetic cause of skeletal disease, a heterogeneous disease, revealing the obvious short stature phenotype. In an Iranian family, we used solo-WES in a suspected patient to decipher the potential genetic cause(s).
methodsA comprehensive clinical and genotyping examination was applied to suspect the disease of the patient. The solo clinical WES was exploited, and the derived data were filtered according to the standard pipelines. In order to validate the WES finding, the region harboring the candidate variant in the CTSK gene was amplified from genomic DNA and sequenced directly by Sanger sequencing.
resultsSequence analysis revealed a rare novel nonsense variant, p.(Trp320*); c.905G>A, in the CTSK gene (NM_000396.3). In silico analysis shed light on the contribution of the variant to the pathogenicity of pycnodysostosis. This variant was confirmed by Sanger sequencing and further clinical examinations of the patient confirmed the disease.
conclusionThe present study shows a rare variant of the CTSK gene, which inherited as autosomal recessive, in an Iranian male patient with pycnodysostosis. Taken together, the novel nonsense CTSK variant meets the criteria of being likely pathogenic according to the American College of Medical Genetics and Genomics-the Association for Molecular Pathology (ACMG-AMP) variant interpretation guidelines.
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