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Kim TH, Lee JH, Park YE, et al. Mutation analysis of SPAST, ATL1, and REEP1 in Korean Patients with Hereditary Spastic Paraplegia. J Clin Neurol. 2014;10(3):257-61doi: 10.3988/jcn.2014.10.3.257.
Kim, T. H., Lee, J. H., Park, Y. E., Shin, J. H., Nam, T. S., Kim, H. S., Jang, H. J., Semenov, A., Kim, S. J., & Kim, D. S. (2014). Mutation analysis of SPAST, ATL1, and REEP1 in Korean Patients with Hereditary Spastic Paraplegia. Journal of clinical neurology (Seoul, Korea), 10(3), 257-61. https://doi.org/10.3988/jcn.2014.10.3.257
Kim, Tae-Hyoung, et al. "Mutation analysis of SPAST, ATL1, and REEP1 in Korean Patients with Hereditary Spastic Paraplegia." Journal of clinical neurology (Seoul, Korea) vol. 10,3 (2014): 257-61. doi: https://doi.org/10.3988/jcn.2014.10.3.257
Kim TH, Lee JH, Park YE, Shin JH, Nam TS, Kim HS, Jang HJ, Semenov A, Kim SJ, Kim DS. Mutation analysis of SPAST, ATL1, and REEP1 in Korean Patients with Hereditary Spastic Paraplegia. J Clin Neurol. 2014 Jul;10(3):257-61. doi: 10.3988/jcn.2014.10.3.257. Epub 2014 Jul 03. PMID: 25045380; PMCID: PMC4101104.
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J Clin Neurol. 2014 Jul;10(3):257-61. doi: 10.3988/jcn.2014.10.3.257. Epub 2014 Jul 03.

Mutation analysis of SPAST, ATL1, and REEP1 in Korean Patients with Hereditary Spastic Paraplegia.

Journal of clinical neurology (Seoul, Korea)

Tae-Hyoung Kim, Jae-Hyeok Lee, Young-Eun Park, Jin-Hong Shin, Tai-Seung Nam, Hyang-Sook Kim, Ho-Jung Jang, Artem Semenov, Sang Jin Kim, Dae-Seong Kim

Affiliations

  1. Department of Neurology, Pusan National University School of Medicine, Yangsan, Korea. ; Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea.
  2. Department of Neurology, Pusan National University School of Medicine, Yangsan, Korea.
  3. Department of Neurology, Chonnam National University Hospital, Gwangju, Korea.
  4. Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea.
  5. Department of Neurology, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea.

PMID: 25045380 PMCID: PMC4101104 DOI: 10.3988/jcn.2014.10.3.257

Abstract

BACKGROUND AND PURPOSE: Hereditary spastic paraplegia (HSP) is a genetically heterogeneous group of neurodegenerative disorders that are characterized by progressive spasticity and weakness of the lower limbs. Mutations in the spastin gene (SPAST) are the most common causes of HSP, accounting for 40-67% of autosomal dominant HSP (AD-HSP) and 12-18% of sporadic cases. Mutations in the atlastin-1 gene (ATL1) and receptor expression-enhancing protein 1 gene (REEP1) are the second and third most common causes of AD-HSP, respectively.

METHODS: Direct sequence analysis was used to screen mutations in SPAST, ATL1, and REEP1 in 27 unrelated Korean patients with pure and complicated HSP. Multiplex ligation-dependent probe amplification was also performed to detect copy-number variations of the three genes.

RESULTS: Ten different SPAST mutations were identified in 11 probands, of which the following 6 were novel: c.760A>T, c.131C>A, c.1351_1353delAGA, c.376_377dupTA, c.1114A>G, and c.1372A>C. Most patients with SPAST mutations had AD-HSP (10/11, 91%), and the frequency of SPAST mutations accounted for 66.7% (10/15) of the AD-HSP patients. No significant correlation was found between the presence of the SPAST mutation and any of the various clinical parameters of pure HSP. No ATL1 and REEP1 mutations were detected.

CONCLUSIONS: We conclude that SPAST mutations are responsible for most Korean cases of genetically confirmed AD-HSP. Our observation of the absence of ATL1 and REEP1 mutations needs to be confirmed in larger series.

Keywords: ATL1; Korea; REEP1; SPAST; hereditary spastic paraplegia

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