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Satolli S, De Micco R, Galatolo D, Tessa A, Cirillo M, Tessitore A, Santorelli FM. A Novel Compound Heterozygous Mutation in Aprataxin Causes Slowly Progressive Ataxia without Oculomotor Apraxia. Mov Disord Clin Pract 2024; 11:1156-1159. [PMID: 38881152 PMCID: PMC11452783 DOI: 10.1002/mdc3.14132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 04/24/2024] [Accepted: 05/19/2024] [Indexed: 06/18/2024] Open
Affiliation(s)
- Sara Satolli
- Department of Advanced Medical and Surgical SciencesUniversity of Campania “Luigi Vanvitelli”NaplesItaly
- Present address:
IRCCS Fondazione Stella MarisPisaItaly
| | - Rosa De Micco
- Department of Advanced Medical and Surgical SciencesUniversity of Campania “Luigi Vanvitelli”NaplesItaly
| | - Daniele Galatolo
- Molecular Medicine for Neurodegenerative and Neuromuscular Diseases UnitIRCCS Fondazione Stella MarisPisaItaly
| | - Alessandra Tessa
- Molecular Medicine for Neurodegenerative and Neuromuscular Diseases UnitIRCCS Fondazione Stella MarisPisaItaly
| | - Mario Cirillo
- Department of Advanced Medical and Surgical SciencesUniversity of Campania “Luigi Vanvitelli”NaplesItaly
| | - Alessandro Tessitore
- Department of Advanced Medical and Surgical SciencesUniversity of Campania “Luigi Vanvitelli”NaplesItaly
| | - Filippo Maria Santorelli
- Molecular Medicine for Neurodegenerative and Neuromuscular Diseases UnitIRCCS Fondazione Stella MarisPisaItaly
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Imarisio A, Pilotto A, Lupini A, Biasiotto G, Zanella I, Currò R, Vegezzi E, Cortese A, Palmieri I, Valente EM, Padovani A. Heterozygous APTX mutation associated with atypical multiple system atrophy-like phenotype: A case report. Parkinsonism Relat Disord 2024; 123:106943. [PMID: 38555792 DOI: 10.1016/j.parkreldis.2024.106943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 03/19/2024] [Accepted: 03/19/2024] [Indexed: 04/02/2024]
Abstract
We describe here a 73-year-old patient presenting with atypical MSA-P-like phenotype carrying a monoallelic p. W279X mutation in the APTX gene, which causes ataxia with oculomotor apraxia type 1 (AOA1) when in homozygous state. We hypothesize that rare monoallelic APTX variants could modulate MSA risk and phenotype.
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Affiliation(s)
- Alberto Imarisio
- Department of Molecular Medicine, University of Pavia, Pavia, Italy; IRCCS Mondino Foundation, Pavia, Italy.
| | - Andrea Pilotto
- Neurology Unit, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy; Neurology Unit, Department of Continuity of Care and Frailty, ASST Spedali Civili Brescia University Hospital, Italy; Laboratory of Digital Neurology and Biosensors, University of Brescia, Italy
| | - Alessandro Lupini
- Neurology Unit, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy; Neurology Unit, Department of Continuity of Care and Frailty, ASST Spedali Civili Brescia University Hospital, Italy
| | - Giorgio Biasiotto
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy; Highly Specialized Laboratory, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Isabella Zanella
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy; Cytogenetics and Molecular Genetics Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Riccardo Currò
- Department of Neuromuscular Disease, UCL Queen Square Institute of Neurology, London, UK; Department of Brain and Behavioural Sciences, University of Pavia, Pavia, Italy
| | - Elisa Vegezzi
- Department of Brain and Behavioural Sciences, University of Pavia, Pavia, Italy; IRCCS Mondino Foundation, Pavia, Italy
| | - Andrea Cortese
- Department of Neuromuscular Disease, UCL Queen Square Institute of Neurology, London, UK; Department of Brain and Behavioural Sciences, University of Pavia, Pavia, Italy
| | - Ilaria Palmieri
- Department of Molecular Medicine, University of Pavia, Pavia, Italy; IRCCS Mondino Foundation, Pavia, Italy
| | - Enza Maria Valente
- Department of Molecular Medicine, University of Pavia, Pavia, Italy; IRCCS Mondino Foundation, Pavia, Italy
| | - Alessandro Padovani
- Neurology Unit, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy; Neurology Unit, Department of Continuity of Care and Frailty, ASST Spedali Civili Brescia University Hospital, Italy; Laboratory of Digital Neurology and Biosensors, University of Brescia, Italy
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Movement disorders and neuropathies: overlaps and mimics in clinical practice. J Neurol 2022; 269:4646-4662. [PMID: 35657406 DOI: 10.1007/s00415-022-11200-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 05/16/2022] [Indexed: 10/18/2022]
Abstract
Movement disorders as well as peripheral neuropathies are extremely frequent in the general population; therefore, it is not uncommon to encounter patients with both these conditions. Often, the coexistence is coincidental, due to the high incidence of common causes of peripheral neuropathy, such as diabetes and other age-related disorders, as well as of Parkinson disease (PD), which has a typical late onset. Nonetheless, there is broad evidence that PD patients may commonly develop a sensory and/or autonomic polyneuropathy, triggered by intrinsic and/or extrinsic mechanisms. Similarly, some peripheral neuropathies may develop some movement disorders in the long run, such as tremor, and rarely dystonia and myoclonus, suggesting that central mechanisms may ensue in the pathogenesis of these diseases. Although rare, several acquired or hereditary causes may be responsible for the combination of movement and peripheral nerve disorders as a unique entity, some of which are potentially treatable, including paraneoplastic, autoimmune and nutritional aetiologies. Finally, genetic causes should be pursued in case of positive family history, young onset or multisystemic involvement, and examined for neuroacanthocytosis, spinocerebellar ataxias, mitochondrial disorders and less common causes of adult-onset cerebellar ataxias and spastic paraparesis. Deep phenotyping in terms of neurological and general examination, as well as laboratory tests, neuroimaging, neurophysiology, and next-generation genetic analysis, may guide the clinician toward the correct diagnosis and management.
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