Homozygous ADCY5 mutation causes early-onset movement disorder with severe intellectual disability

Nobuhiko Okamoto, Fuyuki Miya, Yukihiro Kitai, Tatsuhiko Tsunoda, Mitsuhiro Kato, Shinji Saitoh, Yonehiro Kanemura, Kenjiro Kosaki

研究成果: Article査読

抄録

Background: Mutations of theADCY5 have been identified in patients with familial dyskinesia, early-onsetautosomal dominant chorea and dystonia, and benign hereditary chorea. Most ofthe ADCY5 mutations are de novo or transmitted in an autosomal dominantfashion. Only two pedigrees are known to show autosomal recessive inheritance. Objectives: We report twosiblings with severe ID, dystonic movement, and growth failure with unknownetiology. Methods: We planned a proband-parentapproach using whole exome sequencing. Results: Homozygous mutationin exon 21 of the ADCY5 (p.R1238W) was identified in the siblings. Althoughtheir parents were heterozygous for the mutation, they were free from clinicalmanifestations. Conclusions: Our results furtherexpand the phenotype/genotype correlations of the ADCY5-related disorders.Mutations of ADCY5 should be considered in pediatric patients with ID andinvoluntary movement.

本文言語English
ジャーナルNeurological Sciences
DOI
出版ステータスAccepted/In press - 2021

ASJC Scopus subject areas

  • Dermatology
  • Clinical Neurology
  • Psychiatry and Mental health

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