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A rare, genetic, neuromuscular disease characterized by proximal muscle weakness with an early involvement of foot and hand muscles following normal motor development in early childhood, a rapidly progressive disease course leading to generalized areflexic tetraplegia with contractures, severe scoliosis, hyperlordosis, and progressive respiratory insufficiency leading to assisted ventilation. Cranial nerve functions are normal and tongue wasting and fasciculations are absent. Milder phenotype with a moderate generalized weakness and slower disease progress was reported.
Data assembled from 6 of 12 sources · Last updated Sep 20, 2026, 8:44 AM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Features include: Abnormal lower motor neuron morphology, Scapuloperoneal amyotrophy, EMG: neuropathic changes, and Talipes equinovarus and 12 more.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Muscles | 6 | Difficulty climbing stairs, Distal muscle weakness, Joint contracture of the hand |
Brain and nerves | 3 | EMG: neuropathic changes, Difficulty walking (gait disturbance), Waddling gait |
Bones and joints | 3 | Sideways curvature of the spine (scoliosis), Joint contracture of the hand, Excessive inward curvature of the lower spine (hyperlordosis) |
Arms and legs | 1 | Joint contracture of the hand |
Lungs and breathing | 1 | Difficulty breathing due to muscle weakness (respiratory insufficiency due to muscle weakness) |
PLEKHG5 function has not been fully characterized.
Neuronopathy, distal hereditary motor, autosomal recessive 4 is associated with mutations in the PLEKHG5 gene on chromosome 1.
Genetic testing for PLEKHG5 is available. Testing is considered confirmatory for diagnosis.
Biomarker and diagnostic research for neuronopathy, distal hereditary motor, autosomal recessive 4 has been reported in the published literature.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for neuronopathy, distal hereditary motor, autosomal recessive 4.
19 publications have been identified in PubMed for neuronopathy, distal hereditary motor, autosomal recessive 4. Research spans Case Report / Case Series (42%), Diagnostic / Biomarker (21%), and Epidemiology / Natural History (21%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 8 | 42% |
Testing and diagnosis research | 4 | 21% |
Disease patterns and progression | 4 | 21% |
Laboratory research | 2 | 11% |
New treatment approaches | 1 | 5% |
Koyutourk B (2026). [PMID: 42065819](https://pubmed.ncbi.nlm.nih.gov/42065819/). *J Community Genet*. [Epidemiology / Natural History]
Nawaz RN (2026). [PMID: 42071833](https://pubmed.ncbi.nlm.nih.gov/42071833/). *Medicine (Baltimore)*. [Case Report / Case Series]
Saini L (2026). [PMID: 42175818](https://pubmed.ncbi.nlm.nih.gov/42175818/). *J Child Neurol*. [Case Report / Case Series]
He J (2025). [PMID: 39984716](https://pubmed.ncbi.nlm.nih.gov/39984716/). *Sci Rep*. [Diagnostic / Biomarker]
Abbasigharaei S (2025). [PMID: 41031555](https://pubmed.ncbi.nlm.nih.gov/41031555/). *Ideggyogy Sz*. [Epidemiology / Natural History]
de Albuquerque ALA (2025). [PMID: 39426797](https://pubmed.ncbi.nlm.nih.gov/39426797/). *J Pediatr (Rio J)*. [Epidemiology / Natural History]
Krivošík M (2025). [PMID: 40282862](https://pubmed.ncbi.nlm.nih.gov/40282862/). *Medicina (Kaunas)*. [Case Report / Case Series]
Chen Z (2025). [PMID: 40217509](https://pubmed.ncbi.nlm.nih.gov/40217509/). *BMC Anesthesiol*. [Case Report / Case Series]
Senghor HVF (2025). [PMID: 41322345](https://pubmed.ncbi.nlm.nih.gov/41322345/). *Neurol Genet*. [Case Report / Case Series]
Idárraga GDO (2025). [PMID: 40080775](https://pubmed.ncbi.nlm.nih.gov/40080775/). *JBRA Assist Reprod*. [Epidemiology / Natural History]