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Amyotrophy, cerebellar impairment and psychiatric disease are the main symptoms in a cohort of 14 Czech patients with the late-onset form of Tay-Sachs disease
H. Jahnová, H. Poupětová, J. Jirečková, H. Vlášková, E. Košťálová, R. Mazanec, A. Zumrová, P. Mečíř, Z. Mušová, M. Magner,
Jazyk angličtina Země Německo
Typ dokumentu časopisecké články
Grantová podpora
UNCE 204064
Univerzita Karlova v Praze
PROGRES Q26/LF1
Univerzita Karlova v Praze
RVO-VFN 64165/2012
Ministerstvo Zdravotnictví Ceské Republiky (CZ)
NLK
ProQuest Central
od 1997-04-01 do Před 1 rokem
Medline Complete (EBSCOhost)
od 2000-01-01 do Před 1 rokem
Health & Medicine (ProQuest)
od 1997-04-01 do Před 1 rokem
- MeSH
- dospělí MeSH
- duševní poruchy diagnostické zobrazování epidemiologie psychologie MeSH
- kohortové studie MeSH
- lidé středního věku MeSH
- lidé MeSH
- mladiství MeSH
- mladý dospělý MeSH
- mozeček diagnostické zobrazování MeSH
- svalová atrofie diagnostické zobrazování epidemiologie psychologie MeSH
- Tay-Sachsova nemoc diagnostické zobrazování epidemiologie psychologie MeSH
- věk při počátku nemoci MeSH
- Check Tag
- dospělí MeSH
- lidé středního věku MeSH
- lidé MeSH
- mladiství MeSH
- mladý dospělý MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- Geografické názvy
- Česká republika MeSH
BACKGROUND: Tay-Sachs disease (TSD) is an inherited neurodegenerative disorder caused by a lysosomal β-hexosaminidase A deficiency due to mutations in the HEXA gene. The late-onset form of disease (LOTS) is considered rare, and only a limited number of cases have been reported. The clinical course of LOTS differs substantially from classic infantile TSD. METHODS: Comprehensive data from 14 Czech patients with LOTS were collated, including results of enzyme assays and genetic analyses. RESULTS: 14 patients (9 females, 5 males) with LOTS were diagnosed between 2002 and 2018 in the Czech Republic (a calculated birth prevalence of 1 per 325,175 live births). The median age of first symptoms was 21 years (range 10-33 years), and the median diagnostic delay was 10.5 years (range 0-29 years). The main clinical symptoms at the time of manifestation were stammering or slurred speech, proximal weakness of the lower extremities due to anterior horn cell neuronopathy, signs of neo- and paleocerebellar dysfunction and/or psychiatric disorders. Cerebellar atrophy detected through brain MRI was a common finding. Residual enzyme activity was 1.8-4.1% of controls. All patients carried the typical LOTS-associated c.805G>A (p.Gly269Ser) mutation on at least one allele, while a novel point mutation, c.754C>T (p.Arg252Cys) was found in two siblings. CONCLUSION: LOTS seems to be an underdiagnosed cause of progressive distal motor neuron disease, with variably expressed cerebellar impairment and psychiatric symptomatology in our group of adolescent and adult patients. The enzyme assay of β-hexosaminidase A in serum/plasma is a rapid and reliable tool to verify clinical suspicions.
Citace poskytuje Crossref.org
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- $a BACKGROUND: Tay-Sachs disease (TSD) is an inherited neurodegenerative disorder caused by a lysosomal β-hexosaminidase A deficiency due to mutations in the HEXA gene. The late-onset form of disease (LOTS) is considered rare, and only a limited number of cases have been reported. The clinical course of LOTS differs substantially from classic infantile TSD. METHODS: Comprehensive data from 14 Czech patients with LOTS were collated, including results of enzyme assays and genetic analyses. RESULTS: 14 patients (9 females, 5 males) with LOTS were diagnosed between 2002 and 2018 in the Czech Republic (a calculated birth prevalence of 1 per 325,175 live births). The median age of first symptoms was 21 years (range 10-33 years), and the median diagnostic delay was 10.5 years (range 0-29 years). The main clinical symptoms at the time of manifestation were stammering or slurred speech, proximal weakness of the lower extremities due to anterior horn cell neuronopathy, signs of neo- and paleocerebellar dysfunction and/or psychiatric disorders. Cerebellar atrophy detected through brain MRI was a common finding. Residual enzyme activity was 1.8-4.1% of controls. All patients carried the typical LOTS-associated c.805G>A (p.Gly269Ser) mutation on at least one allele, while a novel point mutation, c.754C>T (p.Arg252Cys) was found in two siblings. CONCLUSION: LOTS seems to be an underdiagnosed cause of progressive distal motor neuron disease, with variably expressed cerebellar impairment and psychiatric symptomatology in our group of adolescent and adult patients. The enzyme assay of β-hexosaminidase A in serum/plasma is a rapid and reliable tool to verify clinical suspicions.
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