[Analysis of ALPL gene variant in a patient with infantile hypophosphatasia].
Copyright policy )[Analysis of ALPL gene variant in a patient with infantile hypophosphatasia].
To explore the genetic basis for a girl featuring bone and tooth mineralization disorder, premature deciduous teeth, rickets and short stature.Genomic DNA was extracted and subjected to high-throughput whole exome sequencing. Suspected variants were confirmed by Sanger sequencing. Impact of potential variants was analyzed with bioinformatic software.The child was found to carry compound heterozygous missense variants of the ALPL gene, including c.1130C>T (p.A377V), a known pathogenic mutation inherited from her father, and c.1300G>A (p.V434M) inherited from her mother, which was unreported previously and predicted to be likely pathogenic based on standards and guidelines from the American College of Medical Genetics and Genomics (PM2+PM5+PP3+PP4).The compound heterozygous variants of c.1130C>T (p.Ala377Val) and c.1300G>A (p.Val434Met) of the ALPL gene probably underlay the disease in this child. Above finding has enriched the spectrum of ALPL gene variants.
- Luoyang Central Hospital Affiliated to Zhengzhou University China (People's Republic of)
- Zhengzhou Children's Hospital China (People's Republic of)
Mutation, Exome Sequencing, High-Throughput Nucleotide Sequencing, Humans, Hypophosphatasia, Female, Genomics, Alkaline Phosphatase, Child
Mutation, Exome Sequencing, High-Throughput Nucleotide Sequencing, Humans, Hypophosphatasia, Female, Genomics, Alkaline Phosphatase, Child
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