Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics · 2024
[Clinical characteristics and genetic analysis of a child with Cantú syndrome due to variant of ABCC9 gene].
СтатьяКлинический случайАннотация на английскомНазвание и аннотация: Перевод в очереди
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Xiao Mengjun, Wang Fangjie, Li Yingying, Yao Xiaoli, Hou Weina, He Kun
Аннотация
OBJECTIVE: To explore the clinical characteristics and pathogenic variant in a child with Cantú syndrome (CS).
METHODS: A male who was admitted to the Children's Hospital Affiliated to Zhengzhou University on February 23, 2022 was selected as the study subject. Clinical data of the child was collected. Peripheral blood samples of the child and his parents were collected and subjected to whole-exome sequencing (WES). Candidate variant was verified by Sanger sequencing. This study was approved by the Children's Hospital Affiliated to Zhengzhou University (Ethics No. 2023-K-087).
RESULTS: The child, a 3-year-and-2-month-old male, was born with hirsutism, with heavy hair all over the body and peculiar facial features. Routine echocardiography 1 month before had discovered atrial septal defect. Sequencing revealed that the child has harbored a heterozygous c.2438G>C (p.S813T) variant of the ABCC9 gene, which was de novo in origin. Based on the guidelines from the American College of Medical Genetics and Genomics (ACMG), the c.2438G>C variant was classified as likely pathogenic (PS2+PM2_Supporting+PP3).
CONCLUSION: The heterozygous c.2438G>C variant of the ABCC9 gene probably underlay the pathogenesis of CS in this child.
METHODS: A male who was admitted to the Children's Hospital Affiliated to Zhengzhou University on February 23, 2022 was selected as the study subject. Clinical data of the child was collected. Peripheral blood samples of the child and his parents were collected and subjected to whole-exome sequencing (WES). Candidate variant was verified by Sanger sequencing. This study was approved by the Children's Hospital Affiliated to Zhengzhou University (Ethics No. 2023-K-087).
RESULTS: The child, a 3-year-and-2-month-old male, was born with hirsutism, with heavy hair all over the body and peculiar facial features. Routine echocardiography 1 month before had discovered atrial septal defect. Sequencing revealed that the child has harbored a heterozygous c.2438G>C (p.S813T) variant of the ABCC9 gene, which was de novo in origin. Based on the guidelines from the American College of Medical Genetics and Genomics (ACMG), the c.2438G>C variant was classified as likely pathogenic (PS2+PM2_Supporting+PP3).
CONCLUSION: The heterozygous c.2438G>C variant of the ABCC9 gene probably underlay the pathogenesis of CS in this child.