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Identification of a novel idiopathic congenital nystagmus‑causing missense mutation, p.G296C, in the FRMD7 gene

  • Authors:
    • Yanghui Xiu
    • Yihua Yao
    • Tanchu Yang
    • Meihua Pan
    • Hui Yang
    • Weifang Fang
    • Feng Gu
    • Junzhao Zhao
    • Yihua Zhu
  • View Affiliations / Copyright

    Affiliations: The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, P.R. China, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China, Eye Institute and Xiamen Eye Center Affiliated Xiamen University, Xiamen, Fujian 361001, P.R. China, Department of Ophthalmology, Xiamen Children's Hospital, Xiamen, Fujian 361000, P.R. China, School of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, State Key Laboratory and Key Laboratory of Vision Science, Ministry of Health and Zhejiang Provincial Key Laboratory of Ophthalmology and Optometry, Wenzhou, Zhejiang 325027, P.R. China, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
    Copyright: © Xiu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 2816-2822
    |
    Published online on: July 9, 2018
       https://doi.org/10.3892/mmr.2018.9260
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Abstract

Exploring the genetic basis for idiopathic congenital nystagmus is critical for improving our understanding of its molecular pathogenesis. In the present study, direct sequencing using gene specific primers was performed in order to identify the causative mutations in two brothers from a Chinese family who had been diagnosed with idiopathic congenital nystagmus. A comprehensive ophthalmological examination, including eye movement recordings, fundus examination, and retinal optical coherence tomography imaging was also conducted, to characterize the disease phenotype. The results revealed that the two brothers exhibited clear signs of nystagmus without any other ocular anomalies. Direct sequencing revealed a G to T transition (c.886G>T) in exon 9 of the four‑point‑one, ezrin, radixin, moesin domain‑containing 7 (FRMD7) gene, which resulted in a conservative substitution of glycine to cysteine at codon 296 (p.G296C), leading to idiopathic congenital nystagmus in the two affected brothers. c.886G>T is a novel idiopathic congenital nystagmus‑inducing mutation in the FRMD7 gene. This finding expands the spectrum of known gene mutations in idiopathic congenital nystagmus, and may be useful for faster gene diagnosis, prenatal testing, the development of potential gene therapies, and for improving the understanding of the molecular pathogenesis of idiopathic congenital nystagmus.
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Copy and paste a formatted citation
Spandidos Publications style
Xiu Y, Yao Y, Yang T, Pan M, Yang H, Fang W, Gu F, Zhao J and Zhu Y: Identification of a novel idiopathic congenital nystagmus‑causing missense mutation, p.G296C, in the FRMD7 gene. Mol Med Rep 18: 2816-2822, 2018.
APA
Xiu, Y., Yao, Y., Yang, T., Pan, M., Yang, H., Fang, W. ... Zhu, Y. (2018). Identification of a novel idiopathic congenital nystagmus‑causing missense mutation, p.G296C, in the FRMD7 gene. Molecular Medicine Reports, 18, 2816-2822. https://doi.org/10.3892/mmr.2018.9260
MLA
Xiu, Y., Yao, Y., Yang, T., Pan, M., Yang, H., Fang, W., Gu, F., Zhao, J., Zhu, Y."Identification of a novel idiopathic congenital nystagmus‑causing missense mutation, p.G296C, in the FRMD7 gene". Molecular Medicine Reports 18.3 (2018): 2816-2822.
Chicago
Xiu, Y., Yao, Y., Yang, T., Pan, M., Yang, H., Fang, W., Gu, F., Zhao, J., Zhu, Y."Identification of a novel idiopathic congenital nystagmus‑causing missense mutation, p.G296C, in the FRMD7 gene". Molecular Medicine Reports 18, no. 3 (2018): 2816-2822. https://doi.org/10.3892/mmr.2018.9260
Copy and paste a formatted citation
x
Spandidos Publications style
Xiu Y, Yao Y, Yang T, Pan M, Yang H, Fang W, Gu F, Zhao J and Zhu Y: Identification of a novel idiopathic congenital nystagmus‑causing missense mutation, p.G296C, in the FRMD7 gene. Mol Med Rep 18: 2816-2822, 2018.
APA
Xiu, Y., Yao, Y., Yang, T., Pan, M., Yang, H., Fang, W. ... Zhu, Y. (2018). Identification of a novel idiopathic congenital nystagmus‑causing missense mutation, p.G296C, in the FRMD7 gene. Molecular Medicine Reports, 18, 2816-2822. https://doi.org/10.3892/mmr.2018.9260
MLA
Xiu, Y., Yao, Y., Yang, T., Pan, M., Yang, H., Fang, W., Gu, F., Zhao, J., Zhu, Y."Identification of a novel idiopathic congenital nystagmus‑causing missense mutation, p.G296C, in the FRMD7 gene". Molecular Medicine Reports 18.3 (2018): 2816-2822.
Chicago
Xiu, Y., Yao, Y., Yang, T., Pan, M., Yang, H., Fang, W., Gu, F., Zhao, J., Zhu, Y."Identification of a novel idiopathic congenital nystagmus‑causing missense mutation, p.G296C, in the FRMD7 gene". Molecular Medicine Reports 18, no. 3 (2018): 2816-2822. https://doi.org/10.3892/mmr.2018.9260
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