A novel DHTKD1 gene mutation with ALS like presentation : a case report
DHTKD1 is a nuclear gene that encodes "dehydrogenase E1 and transketolase domain-containing 1", essential in mitochondrial metabolism. First identified in the patients of 2-amino-apidic and 2 oxoapidic aciduria, mutation in this gene has recently been implicated in CMT2Q and ALS. Here we report the case of a septuagenarian who presented with a 2 years progressive history of respiratory and neck muscle weakness without significant bulbar and limb involvement. Clinical and electrophysiological examination revealed lower motor neuron involvement with widespread chronic denervation and reinnervation. Clinical exome sequencing revealed a heterozygous nonsense variant in exon 8 of the DHTKD1 gene, which was previously described in CMT2Q. This report highlights the pleotropic phenotypic presentation of DHTKD1 mutation and the need for genetic testing even in sporadic cases of ALS presenting at a later age.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:25 |
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| Enthalten in: |
Amyotrophic lateral sclerosis & frontotemporal degeneration - 25(2024), 3-4 vom: 23. Apr., Seite 413-415 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Menon, Deepak [VerfasserIn] |
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| Links: |
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| Themen: |
ALS |
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| Anmerkungen: |
Date Completed 18.04.2024 Date Revised 23.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1080/21678421.2023.2273366 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
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| 520 | |a DHTKD1 is a nuclear gene that encodes "dehydrogenase E1 and transketolase domain-containing 1", essential in mitochondrial metabolism. First identified in the patients of 2-amino-apidic and 2 oxoapidic aciduria, mutation in this gene has recently been implicated in CMT2Q and ALS. Here we report the case of a septuagenarian who presented with a 2 years progressive history of respiratory and neck muscle weakness without significant bulbar and limb involvement. Clinical and electrophysiological examination revealed lower motor neuron involvement with widespread chronic denervation and reinnervation. Clinical exome sequencing revealed a heterozygous nonsense variant in exon 8 of the DHTKD1 gene, which was previously described in CMT2Q. This report highlights the pleotropic phenotypic presentation of DHTKD1 mutation and the need for genetic testing even in sporadic cases of ALS presenting at a later age | ||
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| 700 | 1 | |a Kumar, Vijay |e verfasserin |4 aut | |
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| 700 | 1 | |a Arunachal, Gautham |e verfasserin |4 aut | |
| 700 | 1 | |a Nalini, Atchayaram |e verfasserin |4 aut | |
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