Kisho is an information platform, not a medical provider. Nothing on this site constitutes medical advice, diagnosis, or treatment recommendations. All content is aggregated from publicly available sources (including ClinicalTrials.gov, PubMed, FDA.gov, and Orphanet) and is provided for informational purposes only. Clinical trial eligibility, treatment decisions, and any health-related actions should always be discussed with a qualified healthcare professional. Kisho does not endorse any specific therapy, organization, or clinical trial. Terms of use · Privacy policy
Features include always present findings: Elevated circulating phytanic acid concentration and Very long chain fatty acid accumulation; and common findings: Dysmetria, Ataxia, Cataract, and Frequent falls and others. 42 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 19 | Clonus, Gait ataxia, Muscle stiffness (rigidity) |
PEX16 function has not been fully characterized.
Peroxisome biogenesis disorder 8B is associated with mutations in the PEX16 gene on chromosome 11.
Genetic testing for PEX16 is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 2 always present features, 10 common features.
No clinical trials have been registered for peroxisome biogenesis disorder 8B.
3 publications have been identified in PubMed for peroxisome biogenesis disorder 8B. Research spans Basic Science / Preclinical (100%).
Shukla N (2025). [PMID: 41315397](https://pubmed.ncbi.nlm.nih.gov/41315397/). *Nat Commun*. [Basic Science / Preclinical]
Koyano F (2024). [PMID: 39472561](https://pubmed.ncbi.nlm.nih.gov/39472561/). *Nat Commun*. [Basic Science / Preclinical]
Sun JT (2024). [PMID: 38951640](https://pubmed.ncbi.nlm.nih.gov/38951640/). *Commun Biol*. [Basic Science / Preclinical]
Data assembled from 5 of 12 sources · Last updated Sep 19, 2026, 7:50 AM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center
Muscles |
8 |
Shrinkage of the cerebellum (cerebellar atrophy), Brain atrophy, Frequent falls |
Eyes | 6 | Nystagmus, Cataract, Retinal dystrophy |
Digestive system | 3 | Decreased liver function, Constipation, Difficulty swallowing (dysphagia) |
Arms and legs | 3 | Lower limb spasticity, Limb tremor, Tip-toe gait |
Growth and development | 1 | Failure to thrive |
Lab test results | 1 | Elevated circulating phytanic acid concentration |
Pregnancy and birth | 1 | Neonatal hypotonia |