SQSTM1 Pro392Leu presenting as a corticobasal syndrome with progressive nonfluent aphasia
Copyright © 2024 Elsevier Ltd. All rights reserved..
Corticobasal syndrome is generally considered to be a sporadic condition. There are familial and isolated genetic cases, associated with GRN, MAPT, c9orf72 or PNRP variants. Some reports implicate other genes: LRRK2, CHMP2B, GBA, CYP27A1, PSEN1, APP, TARDBP and TBK1. Here, we report a case of a patient carrying a SQSTM1 Pro392Leu variant. We report a 57-year-old right-handed-woman with a history of progressive speech impairment, marked right side rigidity and bradykinesia, with rest tremor and stimulus sensitive myoclonus. She had predominantly right-sided apraxia. She had right side agraphestesia and astereognosis. MRI showed asymmetrical left frontotemporoparietal atrophy. DaTSCAN showed predominantly left involvement, PiB-PET was negative. CSF NfL was of 9356.5pg/mL. She carried a heterozygous variant P392L in SQSTM1. This case report expands the spectrum of phenotypes associated with SQSTM1 pathogenic variants. It also expands the list of genes associated with corticobasal syndrome, supporting the involvement of the ubiquitin-proteasome system in this condition.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:123 |
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| Enthalten in: |
Parkinsonism & related disorders - 123(2024) vom: 23. Feb., Seite 106069 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Tábuas-Pereira, Miguel [VerfasserIn] |
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| Links: |
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| Themen: |
Cognitive |
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| Anmerkungen: |
Date Revised 17.03.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1016/j.parkreldis.2024.106069 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM36983206X |
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| 520 | |a Corticobasal syndrome is generally considered to be a sporadic condition. There are familial and isolated genetic cases, associated with GRN, MAPT, c9orf72 or PNRP variants. Some reports implicate other genes: LRRK2, CHMP2B, GBA, CYP27A1, PSEN1, APP, TARDBP and TBK1. Here, we report a case of a patient carrying a SQSTM1 Pro392Leu variant. We report a 57-year-old right-handed-woman with a history of progressive speech impairment, marked right side rigidity and bradykinesia, with rest tremor and stimulus sensitive myoclonus. She had predominantly right-sided apraxia. She had right side agraphestesia and astereognosis. MRI showed asymmetrical left frontotemporoparietal atrophy. DaTSCAN showed predominantly left involvement, PiB-PET was negative. CSF NfL was of 9356.5pg/mL. She carried a heterozygous variant P392L in SQSTM1. This case report expands the spectrum of phenotypes associated with SQSTM1 pathogenic variants. It also expands the list of genes associated with corticobasal syndrome, supporting the involvement of the ubiquitin-proteasome system in this condition | ||
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| 700 | 1 | |a Almeida, Maria Rosário |e verfasserin |4 aut | |
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