Novel ARG1 variants identified in a patient with arginase 1 deficiency

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6 Citations (Scopus)


We report a case of a 13-year-old boy with arginase 1 deficiency carrying a new variant in ARG1. Sanger sequencing identified the compound heterozygous variants: NM_000045.4: c.365G>A (p.Trp122*)/c.820G>A (p.Asp274Asn). Although not previously reported, the p.Asp274Asn variant is predicted to have strong pathogenicity because it is located in a highly conserved domain in the protein core and arginase activity in the patient was below measurement sensitivity.

Original languageEnglish
Article number8
JournalHuman Genome Variation
Issue number1
Publication statusPublished - 12-2021

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Biology
  • Genetics


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