Open Access

Prenatal diagnosis of a nonsense mutation in the L1CAM gene resulting in congenital hydrocephalus: A case report and literature review

  • Authors:
    • Rongyue Wang
    • Hua Chen
    • Xiaona Wang
    • Shiyuan Huang
    • Ailan Xie
    • Xinmei Wu
  • View Affiliations

  • Published online on: October 8, 2021     https://doi.org/10.3892/etm.2021.10807
  • Article Number: 1416
  • Copyright: © Wang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Congenital hydrocephalus is frequently caused by mutations in the L1 cell adhesion molecule (L1CAM) gene. The purpose of the present study was to identify possible causes of fetal hydrocephalus in a Chinese family. The samples from the parents and the hydrocephalic fetus were collected. Whole‑exome sequencing and in‑depth mutation analysis were performed. The identified variant, c.1267C>T.(p.Q423X), is situated on exon 11 of L1CAM gene (chromosome X:153134975). The fetus was confirmed to be hemizygous for the nonsense mutation and the mother was a heterozygous carrier. The mutation turns a glutamine into a premature stop codon at amino acid position 423. In conclusion, in the present study, a nonsense mutation in the L1CAM gene was identified during the prenatal diagnosis of a congenital hydrocephalic fetus from a Chinese family. The diagnosis highlighted the necessity of genetic screening for prenatal diagnosis.
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December-2021
Volume 22 Issue 6

Print ISSN: 1792-0981
Online ISSN:1792-1015

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Spandidos Publications style
Wang R, Chen H, Wang X, Huang S, Xie A and Wu X: Prenatal diagnosis of a nonsense mutation in the L1CAM gene resulting in congenital hydrocephalus: A case report and literature review. Exp Ther Med 22: 1416, 2021
APA
Wang, R., Chen, H., Wang, X., Huang, S., Xie, A., & Wu, X. (2021). Prenatal diagnosis of a nonsense mutation in the L1CAM gene resulting in congenital hydrocephalus: A case report and literature review. Experimental and Therapeutic Medicine, 22, 1416. https://doi.org/10.3892/etm.2021.10807
MLA
Wang, R., Chen, H., Wang, X., Huang, S., Xie, A., Wu, X."Prenatal diagnosis of a nonsense mutation in the L1CAM gene resulting in congenital hydrocephalus: A case report and literature review". Experimental and Therapeutic Medicine 22.6 (2021): 1416.
Chicago
Wang, R., Chen, H., Wang, X., Huang, S., Xie, A., Wu, X."Prenatal diagnosis of a nonsense mutation in the L1CAM gene resulting in congenital hydrocephalus: A case report and literature review". Experimental and Therapeutic Medicine 22, no. 6 (2021): 1416. https://doi.org/10.3892/etm.2021.10807