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Genetic analysis of a Chinese pedigree affected with branchiootic syndrome due to a nonsense variant of EYA1 gene / 中华医学遗传学杂志
Chinese Journal of Medical Genetics ; (6): 374-377, 2022.
Article in Chinese | WPRIM | ID: wpr-928422
ABSTRACT
OBJECTIVE@#To analyze the clinical phenotype and genetic basis for a Chinese pedigree suspected for branchiootic syndrome (BOS).@*METHODS@#The proband was subjected to target-capture high-throughput sequencing to detect potential variant of deafness-associated genes. Candidate variants were verified by Sanger sequencing of the family members.@*RESULTS@#The proband was found to harbor a c.1627C>T (p.Gln543Ter) nonsense variant of the EYA1 gene. Sanger sequencing confirmed that all of the 4 patients with the BOS phenotype from the pedigree have harbored the same heterozygous variant. Based on the guidelines of the American College of Medical Genetics and Genomics, the variant was predicted to be pathogenic (PVS1+PS+PP3+PP4).@*CONCLUSION@#The c.1627C>T (p.Gln543Ter) variant of the EYA1 gene probably underlay the BOS phenotype in this pedigree. Above finding has provided a basis for its clinical diagnosis.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pedigree / Nuclear Proteins / China / Protein Tyrosine Phosphatases / Branchio-Oto-Renal Syndrome / Intracellular Signaling Peptides and Proteins / Mutation Type of study: Practice guideline / Prognostic study Limits: Humans Country/Region as subject: Asia Language: Chinese Journal: Chinese Journal of Medical Genetics Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pedigree / Nuclear Proteins / China / Protein Tyrosine Phosphatases / Branchio-Oto-Renal Syndrome / Intracellular Signaling Peptides and Proteins / Mutation Type of study: Practice guideline / Prognostic study Limits: Humans Country/Region as subject: Asia Language: Chinese Journal: Chinese Journal of Medical Genetics Year: 2022 Type: Article