Clinical and molecular studies in two new cases of ARSACS

Ivana Ricca, Federica Morani, Giacomo Maria Bacci, Claudia Nesti, Roberto Caputo, Alessandra Tessa, Filippo Maria Santorelli

Research output: Contribution to journalArticle

Abstract

Autosomal recessive spastic ataxia of Charlevoix-Saguenay (ARSACS) is an early-onset neurodevelopmental disorder characterized by the association of spastic ataxia and sensorimotor neuropathy. Additional features include retinal changes and cognitive impairment. Today, next-generation sequencing (NGS) techniques are allowing the rapid identification of a growing number of missense variants, even in less typical forms of the disease, but the pathogenic significance of these changes is often difficult to establish on the basis of classic bioinformatics criteria and genotype/phenotype correlations. Herein, we describe two novel cases of missense mutations in SACS. The two individuals were identified during the genetic screening of a large cohort of patients with inherited ataxias. We discuss how protein studies and specialized ophthalmological investigations could represent useful pointers for the interpretation of genetic data. Combination of these tools with NGS for rapid genotyping might help to identify new true ARSACS cases.

Original languageEnglish
Pages (from-to)45-49
Number of pages5
JournalNeurogenetics
Volume20
Issue number1
DOIs
Publication statusPublished - Mar 2 2019

Keywords

  • ARSACS
  • Genotype-phenotype correlation
  • Mitochondrial network
  • Retinal myelinated fibers
  • Sacsin

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)
  • Cellular and Molecular Neuroscience

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    Ricca, I., Morani, F., Bacci, G. M., Nesti, C., Caputo, R., Tessa, A., & Santorelli, F. M. (2019). Clinical and molecular studies in two new cases of ARSACS. Neurogenetics, 20(1), 45-49. https://doi.org/10.1007/s10048-019-00564-7