ArticleJournal of movement disorders2024
A New Phenotype of TUBB4A Mutation in a Family With Adult-Onset Progressive Spastic Paraplegia and Isolated Hypomyelination Leukodystrophy: A Case Report and Literature Review.
Article in Journal of movement disorders, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 2 citations in OpenAlex.
- Expanding the adult spectrum of TUBB4A disease: a spasticity-tremor phenotype with network imaging correlates.Neurogenetics · 2026Article
- The role of genetics and molecular mechanisms in early onset scoliosis.Journal of clinical orthopaedics and trauma · 2026Review
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
Tubulin beta 4A class IVa (TUBB4A) spectrum disorders include autosomal dominant dystonia type 4 or hypomyelination with atrophy of the basal ganglia and cerebellum (H-ABC syndrome). However, in rare cases, only mild hypomyelination in the cortex with no basal ganglia atrophy may be observed. We report a case of a family with TUBB4A mutation and complicated hereditary spasticity paraplegia (HSP). We performed quadro whole-exome sequencing (WES) on the family to identify the causative gene of progressive spastic paraparesis with isolated hypomyelination leukodystrophy. We identified a novel TUBB4A p.F341L mutation, which was present in all three affected patients but absent in the unaffected father. The affected patients presented with adult-onset TUBB4A disorder, predominant spastic paraparesis with/without ataxia, and brain hypomyelination with no cognitive impairment or extrapyramidal symptoms. In the literature, HSP is considered a TUBB4A spectrum disorder.
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Registered trials
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