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Features include very common findings: Gait ataxia; and common findings: Peripheral axonal neuropathy, Lower limb hyperreflexia, Impaired vibratory sensation, and Saccadic smooth pursuit interruptions and others. 11 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 8 | Peripheral axonal neuropathy, Difficulty swallowing (dysphagia), Lower limb hyperreflexia |
UCHL1 function has not been fully characterized.
Spastic paraplegia 79A, autosomal dominant, with ataxia is associated with mutations in the UCHL1 gene on chromosome 4.
Genetic testing for UCHL1 is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 1 very common feature, 7 common features.
No clinical trials have been registered for spastic paraplegia 79A, autosomal dominant, with ataxia.
1 publication has been identified in PubMed for spastic paraplegia 79A, autosomal dominant, with ataxia. Research spans Review / Meta-Analysis (100%).
Fogel BL (2025). [PMID: 40464291](https://pubmed.ncbi.nlm.nih.gov/40464291/). *Annals of neurology*. [Review / Meta-Analysis]
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 5:34 PM UTC
Online Mendelian Inheritance in Man
Arms and legs |
2 |
Lower limb hyperreflexia, Lower limb spasticity |
Eyes | 2 | Saccadic smooth pursuit interruptions, Damage to the optic nerve (optic atrophy) |
Digestive system | 1 | Difficulty swallowing (dysphagia) |
Muscles | 1 | Damage to the optic nerve (optic atrophy) |