A Novel p.Glu298Lys Mutation in the ACMSD Gene in Sporadic Parkinson's Disease

Dolores Vilas, Rubén Fernández-Santiago, Elena Sanchez, Luis J. Azcona, Meritxell Santos-Montes, Pilar Casquero, Lucía Argandoña, Eduardo Tolosa, Coro Paisán-Ruiz

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Background: Common genetic variability in the ACMSD gene has been associated with increased risk for Parkinson's disease (PD) but ACMSD mutations in clinical cases of PD have so far not been reported. Objective: To describe a case of sporadic PD carrying a novel ACMSD mutation. Methods: As part of a genetic study to identify potential pathogenic gene defects related to PD in the Mediterranean island Menorca, an initial group of 62 PD patients underwent mutational screening using a panel-based sequencing approach. Results:We report a 74-years-old man with sporadic PD who developed tremor in his right hand and slowness. On examination, moderate rigidity, asymmetric bradykinesia, and bilateral action tremor were present.Hewas started on levodopa with significant improvement. Two years later, he developed wearing off phenomena. The genetic study in the patient identified a novel ACMSD mutation resulting in p.Glu298Lys amino-acid change which was not present in neurologically normal population. Conclusions: Our data suggest that not only common genetic variability but also rare variants in ACMSD alone or in combination with other risk factors might increase the risk of PD.

Original languageEnglish
Pages (from-to)459-463
Number of pages5
JournalJournal of Parkinson's Disease
Volume7
Issue number3
DOIs
StatePublished - 2017

Keywords

  • ACMSD
  • Parkinson's
  • genetic
  • kynurenine

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