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Case Report Open Access

A novel missense mutation in SPAST causes hereditary spastic paraplegia in male members of a family: A case report

  • Authors:
    • Xing-Chen Wang
    • Rui-Han Liu
    • Ting Wang
    • Yanling Wang
    • Yan Jiang
    • Dan-Dan Chen
    • Xin-Yu Wang
    • Tong-Shu Hou
    • Qing-Xia Kong
  • View Affiliations / Copyright

    Affiliations: Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, P.R. China, Department of Pediatrics, Affiliated Hospital of Jining Medical University, Jining, Shandong 272000, P.R. China, Department of Nursing, Affiliated Hospital of Jining Medical University, Jining, Shandong 272000, P.R. China, Clinical Medical College, Jining Medical University, Jining, Shandong 272000, P.R. China, Second Clinical Medical College, Binzhou Medical University, Binzhou, Shandong 256600, P.R. China
    Copyright: © Wang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 79
    |
    Published online on: February 21, 2023
       https://doi.org/10.3892/mmr.2023.12966
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Abstract

Hereditary spastic paraplegia (HSP) comprises a group of hereditary and neurodegenerative diseases that are characterized by axonal degeneration or demyelination of bilateral corticospinal tracts in the spinal cord; affected patients exhibit progressive spasticity and weakness in the lower limbs. The most common manifestation of HSP is spastic paraplegia type 4 (SPG4), which is caused by mutations in the spastin (SPAST) gene. The present study reports the clinical characteristics of affected individuals and sequencing analysis of a mutation that caused SPG4 in a family. All affected family members exhibited spasticity and weakness of the lower limbs and, notably, only male members of the family were affected. Whole‑exome sequencing revealed that all affected individuals had a novel c.1785C>A (p. Ser595Arg) missense mutation in SPAST. Bioinformatics analysis revealed changes in both secondary and tertiary structures of the mutated protein. The novel missense mutation in SPAST supported the diagnosis of SPG4 in this family and expands the spectrum of pathogenic mutations that cause SPG4. Analysis of SPAST sequences revealed that most pathogenic mutations occurred in the AAA domain of the protein, which may have a close relationship with SPG4 pathogenesis.
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Copy and paste a formatted citation
Spandidos Publications style
Wang X, Liu R, Wang T, Wang Y, Jiang Y, Chen D, Wang X, Hou T and Kong Q: A novel missense mutation in <em>SPAST</em> causes hereditary spastic paraplegia in male members of a family: A case report. Mol Med Rep 27: 79, 2023.
APA
Wang, X., Liu, R., Wang, T., Wang, Y., Jiang, Y., Chen, D. ... Kong, Q. (2023). A novel missense mutation in <em>SPAST</em> causes hereditary spastic paraplegia in male members of a family: A case report. Molecular Medicine Reports, 27, 79. https://doi.org/10.3892/mmr.2023.12966
MLA
Wang, X., Liu, R., Wang, T., Wang, Y., Jiang, Y., Chen, D., Wang, X., Hou, T., Kong, Q."A novel missense mutation in <em>SPAST</em> causes hereditary spastic paraplegia in male members of a family: A case report". Molecular Medicine Reports 27.4 (2023): 79.
Chicago
Wang, X., Liu, R., Wang, T., Wang, Y., Jiang, Y., Chen, D., Wang, X., Hou, T., Kong, Q."A novel missense mutation in <em>SPAST</em> causes hereditary spastic paraplegia in male members of a family: A case report". Molecular Medicine Reports 27, no. 4 (2023): 79. https://doi.org/10.3892/mmr.2023.12966
Copy and paste a formatted citation
x
Spandidos Publications style
Wang X, Liu R, Wang T, Wang Y, Jiang Y, Chen D, Wang X, Hou T and Kong Q: A novel missense mutation in <em>SPAST</em> causes hereditary spastic paraplegia in male members of a family: A case report. Mol Med Rep 27: 79, 2023.
APA
Wang, X., Liu, R., Wang, T., Wang, Y., Jiang, Y., Chen, D. ... Kong, Q. (2023). A novel missense mutation in <em>SPAST</em> causes hereditary spastic paraplegia in male members of a family: A case report. Molecular Medicine Reports, 27, 79. https://doi.org/10.3892/mmr.2023.12966
MLA
Wang, X., Liu, R., Wang, T., Wang, Y., Jiang, Y., Chen, D., Wang, X., Hou, T., Kong, Q."A novel missense mutation in <em>SPAST</em> causes hereditary spastic paraplegia in male members of a family: A case report". Molecular Medicine Reports 27.4 (2023): 79.
Chicago
Wang, X., Liu, R., Wang, T., Wang, Y., Jiang, Y., Chen, D., Wang, X., Hou, T., Kong, Q."A novel missense mutation in <em>SPAST</em> causes hereditary spastic paraplegia in male members of a family: A case report". Molecular Medicine Reports 27, no. 4 (2023): 79. https://doi.org/10.3892/mmr.2023.12966
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