ArticlePloS one2015
A Novel Insertion Variant of CRYGD Is Associated with Congenital Nuclear Cataract in a Chinese Family.
Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 10 citations in OpenAlex.
- Identification of mutations associated with congenital cataracts in nineteen Chinese families.BMC ophthalmology · 2025Article
- Novel compound heterozygous mutations inMolecular genetics and metabolism reports · 2024Article
- Molecular Etiology of Isolated Congenital Cataract Using Next-Generation Sequencing: Single Center Exome Sequencing Data from Turkey.Molecular syndromology · 2020Article
- Two Pathogenic Gene Mutations Identified Associating with Congenital Cataract and Iris Coloboma Respectively in a Chinese Family.Journal of ophthalmology · 2020Article
- Genes and genetics in eye diseases: a genomic medicine approach for investigating hereditary and inflammatory ocular disorders.International journal of ophthalmology · 2018Review
- Inherited Congenital Cataract: A Guide to Suspect the Genetic Etiology in the Cataract Genesis.Molecular syndromology · 2017Review
- A novel truncation mutation inMolecular vision · 2017Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo investigate a novel insertion variant of CRYGD identified in a Chinese family with nuclear congenital cataract.
methodsA Chinese family with congenital nuclear cataract was recruited for the mutational screening of candidate genes by direct sequencing. Recombinant N-terminal Myc tagged wildtype or mutant CRYGD was expressed in HEK293T cells. The expression pattern, protein solubility and subcellular distribution were analyzed by western blotting and immunofluorescence. PRINCIPAL
findingsA novel insertion variant, c.451_452insGACT, in CRYGD was identified in the patients. It causes a frameshift and a premature termination of the polypeptide to become Y151*. A significantly reduced solubility was observed for this mutant. Unlike wildtype CRYGD, which existed mainly in the cytoplasm, Y151* was mis-located in the nucleus.
conclusionsWe have identified a novel mutation, c.451_452insGACT, in CRYGD, which is associated with nuclear cataract. This is the first insertion mutation of CRYGD found to cause autosomal dominant congenital cataract. The mutant protein, with loss of solubility and localization to the nucleus, is hypothesized to be the major cause of cataract in these patients.
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