Fast course ALS presenting with vocal cord paralysis

Clinical features, bioinformatic and modelling analysis of the novel SOD1 Gly147Ser mutation

Paola Origone, Claudia Caponnetto, Vittorio Mantero, Elena Cichero, Paola Fossa, Alessandro Geroldi, Simonetta Verdiani, Emilia Bellone, Gianluigi Mancardi, Paola Mandich

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

In this report we describe a novel SOD1 mutation (Gly147Ser) in an Italian sporadic ALS patient. The patient presented with hoarseness due to bilateral vocal cord paralysis and a rapid clinical course. Mutational analysis of the SOD1 gene was carried out by direct sequencing. In silico bioinformatics analysis and molecular modelling was used to analyse the SOD1 function modifications produced by the mutated residue. A heterozygous c.442 G > A transition, which leads to a change at codon 147 resulting in a serine rather than glycine, was found in the patient. Bioinformatics analysis and molecular modelling strongly suggest a dramatic effect of Gly147Ser mutation on SOD1 function. In conclusion, Gly147Ser represent a new missense mutation whose effect may correlate with the peculiar clinical bulbar phenotype onset with bilateral vocal cord paresis and rapid clinical course of the disease. Ethical and psychological dilemmas about genetic testing in apparently sporadic subjects are still matter of debate.

Original languageEnglish
Pages (from-to)144-148
Number of pages5
JournalAmyotrophic Lateral Sclerosis
Volume13
Issue number1
DOIs
Publication statusPublished - Jan 1 2012

Fingerprint

Vocal Cord Paralysis
Computational Biology
Mutation
Hoarseness
Genetic Testing
Missense Mutation
Codon
Computer Simulation
Glycine
Serine
Psychology
Phenotype
Genes

Keywords

  • ALS
  • Genetics
  • Mutation
  • SOD1

ASJC Scopus subject areas

  • Medicine(all)
  • Neurology
  • Clinical Neurology

Cite this

Fast course ALS presenting with vocal cord paralysis : Clinical features, bioinformatic and modelling analysis of the novel SOD1 Gly147Ser mutation. / Origone, Paola; Caponnetto, Claudia; Mantero, Vittorio; Cichero, Elena; Fossa, Paola; Geroldi, Alessandro; Verdiani, Simonetta; Bellone, Emilia; Mancardi, Gianluigi; Mandich, Paola.

In: Amyotrophic Lateral Sclerosis, Vol. 13, No. 1, 01.01.2012, p. 144-148.

Research output: Contribution to journalArticle

Origone, Paola ; Caponnetto, Claudia ; Mantero, Vittorio ; Cichero, Elena ; Fossa, Paola ; Geroldi, Alessandro ; Verdiani, Simonetta ; Bellone, Emilia ; Mancardi, Gianluigi ; Mandich, Paola. / Fast course ALS presenting with vocal cord paralysis : Clinical features, bioinformatic and modelling analysis of the novel SOD1 Gly147Ser mutation. In: Amyotrophic Lateral Sclerosis. 2012 ; Vol. 13, No. 1. pp. 144-148.
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