Novel splicing mutation in the ASXL3 gene causing Bainbridge-Ropers syndrome

Ikumi Hori, Fuyuki Miya, Kei Ohashi, Yutaka Negishi, Ayako Hattori, Naoki Ando, Nobuhiko Okamoto, Mitsuhiro Kato, Tatsuhiko Tsunoda, Mami Yamasaki, Yonehiro Kanemura, Kenjiro Kosaki, Shinji Saitoh

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Bainbridge-Ropers syndrome (BRPS) is characterized by severe developmental delay, feeding problems, short stature, characteristic facal appearance including arched eyebrows and anteverted nares, and ulnar deviation of the hands. BRPS is caused by a heterozygous mutation in the additional sex combs-like 3 (ASXL3) gene. We describe a patient with severe developmental delay, feeding problems, short stature, autism, and sleep disturbance with a heterozygous de novo splicing mutation in the ASXL3 gene. Reported disease-causing mutations in ASXL3 are located mostly in the first half of exon 11, analogous to ASXL1 mutations of which result in Bohring-Opitz syndrome (BOS). Our findings suggest that the expression of the truncated ASXL3 protein, including ASXN and ASXH domains, give rise to BRPS, which is distinct from but overlaps with BOS.

Original languageEnglish
JournalAmerican Journal of Medical Genetics, Part A
DOIs
Publication statusAccepted/In press - 2016

Fingerprint

Comb and Wattles
Mutation
Genes
Eyebrows
Autistic Disorder
Exons
Sleep
Hand
Proteins
Bohring syndrome

Keywords

  • ASXL3
  • Bainbridge-Ropers syndrome
  • Whole-exome sequencing

ASJC Scopus subject areas

  • Genetics(clinical)
  • Genetics

Cite this

Hori, I., Miya, F., Ohashi, K., Negishi, Y., Hattori, A., Ando, N., ... Saitoh, S. (Accepted/In press). Novel splicing mutation in the ASXL3 gene causing Bainbridge-Ropers syndrome. American Journal of Medical Genetics, Part A. https://doi.org/10.1002/ajmg.a.37653

Novel splicing mutation in the ASXL3 gene causing Bainbridge-Ropers syndrome. / Hori, Ikumi; Miya, Fuyuki; Ohashi, Kei; Negishi, Yutaka; Hattori, Ayako; Ando, Naoki; Okamoto, Nobuhiko; Kato, Mitsuhiro; Tsunoda, Tatsuhiko; Yamasaki, Mami; Kanemura, Yonehiro; Kosaki, Kenjiro; Saitoh, Shinji.

In: American Journal of Medical Genetics, Part A, 2016.

Research output: Contribution to journalArticle

Hori, I, Miya, F, Ohashi, K, Negishi, Y, Hattori, A, Ando, N, Okamoto, N, Kato, M, Tsunoda, T, Yamasaki, M, Kanemura, Y, Kosaki, K & Saitoh, S 2016, 'Novel splicing mutation in the ASXL3 gene causing Bainbridge-Ropers syndrome', American Journal of Medical Genetics, Part A. https://doi.org/10.1002/ajmg.a.37653
Hori, Ikumi ; Miya, Fuyuki ; Ohashi, Kei ; Negishi, Yutaka ; Hattori, Ayako ; Ando, Naoki ; Okamoto, Nobuhiko ; Kato, Mitsuhiro ; Tsunoda, Tatsuhiko ; Yamasaki, Mami ; Kanemura, Yonehiro ; Kosaki, Kenjiro ; Saitoh, Shinji. / Novel splicing mutation in the ASXL3 gene causing Bainbridge-Ropers syndrome. In: American Journal of Medical Genetics, Part A. 2016.
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