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Importance of family segregation in the American College of Medical Genetics and Genomics and Association of Molecular Pathology guidelines: Case of a Korean family with autosomal dominant polycystic disease
Journal of Genetic Medicine ; : 51-54, 2020.
Article | WPRIM | ID: wpr-835772
ABSTRACT
Since the American College of Medical Genetics and Genomics and Association of Molecular Pathology published their guidelines in 2015, most interpretations of genetic tests have followed them. However, all variants have only limited evidence along 28 interpretation standards, especially de novo variants. When de novo variants, which are classified as variants of uncertain significance (VUS) due to lack of evidence, are detected, segregation in the affected family could provide an important key to clarifying the variants. Autosomal dominant polycystic kidney disease is the most common inherited kidney disorder with pathogenic variants in the PKD1 or PKD2 genes. We detected a novel in-frame deletion variant in the PKD1 gene, c.7575_7577del (p.(Cys2526del)), which was interpreted as a VUS. We analyzed this variant in a Korean family to decide for segregation. Here, we report the variant as a likely pathogenic variant based on the evidence of segregation in three affected relatives and two unaffected members.
Full text: Available Index: WPRIM (Western Pacific) Type of study: Practice guideline Journal: Journal of Genetic Medicine Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Practice guideline Journal: Journal of Genetic Medicine Year: 2020 Type: Article