Journal of medical case reports · 2025
Identification of a novel SACS gene mutation leading to spastic ataxia Charlevoix-Saguenay type: a case report.
СтатьяКлинический случайНазвание и аннотация: Перевод в очереди
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Raggio Víctor, Rey Andrea, Simoes Camila, Birriel Florencia, Rodriguez Soledad, Bentancor Kateryn, Tapié Alejandra, Spangenberg Lucía
Аннотация
BACKGROUND: Spastic ataxia Charlevoix-Saguenay is a rare autosomal recessive neurodegenerative disorder characterized by a combination of spasticity, ataxia, and peripheral neuropathy. Although predominantly affecting individuals of French-Canadian descent, the geographic distribution of spastic ataxia Charlevoix-Saguenay-associated cases is expanding.
CASE PRESENTATION: This study presents the case of a 3-year-old Uruguayan girl with suspected autosomal recessive spastic ataxia of Charlevoix-Saguenay, demonstrating the disease's presence in previously unreported locations. Exome sequencing analysis revealed two compound heterozygous variants in the sacsin molecular chaperone gene, one of which was novel.
CONCLUSION: This report highlights the genomic heterogeneity of spastic ataxia Charlevoix-Saguenay and emphasizes the importance of investigating the genetic landscape of the disease in diverse populations. Understanding the underlying genetic alterations and their geographic distribution contributes to improved diagnosis, management, and potentially targeted therapies for individuals affected by spastic ataxia Charlevoix-Saguenay worldwide.
CASE PRESENTATION: This study presents the case of a 3-year-old Uruguayan girl with suspected autosomal recessive spastic ataxia of Charlevoix-Saguenay, demonstrating the disease's presence in previously unreported locations. Exome sequencing analysis revealed two compound heterozygous variants in the sacsin molecular chaperone gene, one of which was novel.
CONCLUSION: This report highlights the genomic heterogeneity of spastic ataxia Charlevoix-Saguenay and emphasizes the importance of investigating the genetic landscape of the disease in diverse populations. Understanding the underlying genetic alterations and their geographic distribution contributes to improved diagnosis, management, and potentially targeted therapies for individuals affected by spastic ataxia Charlevoix-Saguenay worldwide.