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  • Title: Clinical analysis of Gabriele-de Vries caused by YY1 mutations and literature review.
    Author: Yang J, Yu C, Lyn N, Liu L, Li D, Shang Q.
    Journal: Mol Genet Genomic Med; 2024 Jan; 12(1):e2281. PubMed ID: 37658636.
    Abstract:
    BACKGROUND: Gabriele-de Vries syndrome is a rare autosomal dominant genetic disease characterized by global development delay/intellectual disability, delayed language development, feeding difficulties, and distinctive facial dysmorphism. It is caused by pathogenic variants in YY1. METHODS: The current report describes a female patient with motor delay and a facial dysmorphism phenotype. We identified pathogenic mutations in the patient by whole-exome sequencing and confirmed them by Sanger sequencing. RESULTS: A novel heterozygous frameshift mutation NM_003403.5:c.458_476del (p. V153fs*97) in the YY1 gene was detected in the proband. Finally, we provide a case-based review of the clinical features associated with Gabriele-de Vries syndrome. A total of 28 patients with genetic abnormalities and clinical phenotypes have been reported in the literature thus far. CONCLUSIONS: The mutation site is reported for the first time, and its discovery would expand the mutation spectrum of the YY1 gene. The main clinical manifestations of Gabriele-de Vries syndrome are developmental delay/intellectual disability, craniofacial dysplasia, intrauterine growth delay, low birth weight, feeding difficulties, and rare congenital malformations. Genetic tests are crucial techniques for its diagnosis because of its nonspecific clinical manifestations.
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