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[Genetic analysis of a male infant with Menkes disease]
Yan Huang1, Guanghua Liu, Shibiao Wang
1Department of Children's Healthcare, Fujian Provincial Maternity and Children's Hospital, the Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350001, China. zyfux@yeah.net.
Objective:
To carry out genetic testing for a male infant suspected for Menkes disease.
Methods:
Genomic DNA of the proband and his parents were extracted and subjected to family trio whole exome sequencing (WES). Microduplication and microdeletion of the ATP7A gene were detected by multiplex ligation-dependent probe amplification (MLPA). Suspected variants were subjected to bioinformatic analysis and verified by Sanger sequencing.
Results:
The proband was found to harbor a de novo c.1870 -13T>G variation of the ATP7A gene, which may alter a splice site and affect its protein product.
Conclusion:
The patient was diagnosed with Menkes disease due to the c.1870 -13T>G variant of the ATP7A gene. Whole exome sequencing of family trios is a powerful tool for the diagnosis of diseases with strong phenotypic heterogeneity.
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