Identification of novel LFNG mutations in spondylocostal dysostosis

Nao Otomo, Shuji Mizumoto, Hsing Fang Lu, Kazuki Takeda, Belinda Campos-Xavier, Lauréane Mittaz-Crettol, Long Guo, Kazuharu Takikawa, Masaya Nakamura, Shuhei Yamada, Morio Matsumoto, Koota Watanabe, Shiro Ikegawa

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Spondylocostal dysostosis (SCDO) is a heterogeneous group of skeletal disorders characterized by multiple segmentation defects involving vertebrae and ribs. Seven disease genes have been reported as causal genes for SCDO: DLL3, MESP2, TBX6, HES7, RIPPLY2, DMRT2, and LFNG. Here we report a Japanese SCDO case with multiple severe vertebral anomalies from cervical to sacral spine. The patient was a compound heterozygote for c.372delG (p.K124Nfs*) and c.601G>A (p.D201N) variants of LFNG, which encodes a glycosyltransferase (O-fucosylpeptide 3-beta-N-acetylglucosaminyltransferase). The missense variant was in the DxD motif, an active-site motif of the glycosyltransferase, and its loss of the enzyme function was confirmed by an in vitro enzyme assay. This is the second report of LFNG mutations in SCDO.

Original languageEnglish
JournalJournal of Human Genetics
DOIs
Publication statusAccepted/In press - 2018 Jan 1

Fingerprint

Glycosyltransferases
Mutation
Spine
Enzyme Assays
Ribs
Heterozygote
Genes
Catalytic Domain
Jarcho-Levin syndrome
Enzymes
N-acetyllactosaminide beta-1,6-N-acetylglucosaminyltransferase
In Vitro Techniques

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Otomo, N., Mizumoto, S., Lu, H. F., Takeda, K., Campos-Xavier, B., Mittaz-Crettol, L., ... Ikegawa, S. (Accepted/In press). Identification of novel LFNG mutations in spondylocostal dysostosis. Journal of Human Genetics. https://doi.org/10.1038/s10038-018-0548-2

Identification of novel LFNG mutations in spondylocostal dysostosis. / Otomo, Nao; Mizumoto, Shuji; Lu, Hsing Fang; Takeda, Kazuki; Campos-Xavier, Belinda; Mittaz-Crettol, Lauréane; Guo, Long; Takikawa, Kazuharu; Nakamura, Masaya; Yamada, Shuhei; Matsumoto, Morio; Watanabe, Koota; Ikegawa, Shiro.

In: Journal of Human Genetics, 01.01.2018.

Research output: Contribution to journalArticle

Otomo, N, Mizumoto, S, Lu, HF, Takeda, K, Campos-Xavier, B, Mittaz-Crettol, L, Guo, L, Takikawa, K, Nakamura, M, Yamada, S, Matsumoto, M, Watanabe, K & Ikegawa, S 2018, 'Identification of novel LFNG mutations in spondylocostal dysostosis', Journal of Human Genetics. https://doi.org/10.1038/s10038-018-0548-2
Otomo N, Mizumoto S, Lu HF, Takeda K, Campos-Xavier B, Mittaz-Crettol L et al. Identification of novel LFNG mutations in spondylocostal dysostosis. Journal of Human Genetics. 2018 Jan 1. https://doi.org/10.1038/s10038-018-0548-2
Otomo, Nao ; Mizumoto, Shuji ; Lu, Hsing Fang ; Takeda, Kazuki ; Campos-Xavier, Belinda ; Mittaz-Crettol, Lauréane ; Guo, Long ; Takikawa, Kazuharu ; Nakamura, Masaya ; Yamada, Shuhei ; Matsumoto, Morio ; Watanabe, Koota ; Ikegawa, Shiro. / Identification of novel LFNG mutations in spondylocostal dysostosis. In: Journal of Human Genetics. 2018.
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