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Features include always present findings: Flexion contracture, Flexion contracture of finger, Increased circulating interleukin 8 concentration, and Increased circulating interleukin 6 concentration and others; and very common findings: Short stature, Finger swelling, and Elevated circulating hepatic transaminase concentration. 76 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Lab test results | 9 | Increased circulating interleukin 8 concentration, Increased circulating interleukin 6 concentration, Increased circulating IgG concentration |
Muscles | 7 | Flexion contracture, Flexion contracture of finger, Muscle weakness |
Arms and legs | 6 | Camptodactyly of finger, Flexion contracture of finger, Long fingers |
Digestive system | 5 | Low HDL ("good") cholesterol (decreased hdl cholesterol concentration), Enlarged liver (hepatomegaly), Chronic constipation |
Skin | 5 | Hyperpigmentation of the skin, Erythema nodosum, Skin plaque |
Growth and development | 4 | Short stature, Failure to thrive, Growth abnormality |
Blood and immune system | 4 | Small red blood cells (microcytic anemia), Recurrent upper respiratory tract infections, Enlarged spleen (splenomegaly) |
Brain and nerves | 3 | Mild intellectual disability, Seizure, Intellectual disability |
Head and neck | 3 | Progeroid facial appearance, Loss of facial adipose tissue, Thick lower lip vermilion |
Bones and joints | 3 | Skeletal muscle atrophy, Arthralgia, Bone pain |
Heart and blood vessels | 3 | Arrhythmia, Enlarged heart (cardiomegaly), Congestive heart failure |
Eyes | 2 | Conjunctivitis, Punctate opacification of the cornea |
Ears | 1 | Recurrent otitis media |
Lungs and breathing | 1 | Recurrent upper respiratory tract infections |
Metabolism | 1 | Recurrent fever |
Hormones | 1 | Elevated circulating thyroid-stimulating hormone concentration |
PSMB8 function has not been fully characterized.
Proteasome-associated autoinflammatory syndrome 1 is associated with mutations in the PSMB8 gene on chromosome 6.
Genetic testing for PSMB8 is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 13 always present features, 3 very common features, 18 common features.
No clinical trials have been registered for proteasome-associated autoinflammatory syndrome 1.
6 publications have been identified in PubMed for proteasome-associated autoinflammatory syndrome 1. Research spans Case Report / Case Series (40%), Review / Meta-Analysis (20%), and Clinical Trial Publication (20%).
Singh S (2026). [PMID: 41466885](https://pubmed.ncbi.nlm.nih.gov/41466885/). *J Transl Autoimmun*. [Review / Meta-Analysis]
Alhiraki H (2025). [PMID: 40660608](https://pubmed.ncbi.nlm.nih.gov/40660608/). *Medicine (Baltimore)*. [Case Report / Case Series]
Paul SK (2025). [PMID: 39802026](https://pubmed.ncbi.nlm.nih.gov/39802026/). *Heliyon*. [Basic Science / Preclinical]
Cho R (2024). [PMID: 38558105](https://pubmed.ncbi.nlm.nih.gov/38558105/). *J Dermatol*. [Case Report / Case Series]
Cetin Gedik K (2024). [PMID: 38653530](https://pubmed.ncbi.nlm.nih.gov/38653530/). *Ann Rheum Dis*. [Clinical Trial Publication]
Data assembled from 5 of 12 sources · Last updated Sep 18, 2026, 6:33 PM UTC
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