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Any primary ciliary dyskinesia in which the cause of the disease is a mutation in the SPAG1 gene.
Features include always present findings: Decreased nasal nitric oxide and Dynein arm defect of respiratory motile cilia; and very common findings: Recurrent sinusitis, Recurrent otitis media, and Neonatal respiratory distress. 12 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Lungs and breathing | 6 | Bronchiectasis, Respiratory insufficiency due to defective ciliary clearance, Dynein arm defect of respiratory motile cilia |
SPAG1 function has not been fully characterized.
Primary ciliary dyskinesia 28 is caused by mutations in the SPAG1 gene on chromosome 8.
Genetic testing for SPAG1 is available. Testing is considered confirmatory for diagnosis.
Biomarker and diagnostic research for primary ciliary dyskinesia 28 has been reported in the published literature.
Phenotype severity distribution: 2 always present features, 3 very common features, 2 common features.
No clinical trials have been registered for primary ciliary dyskinesia 28.
126 publications have been identified in PubMed for primary ciliary dyskinesia 28. Kisho has analyzed 80 by research type. Research spans Review / Meta-Analysis (29%), Epidemiology / Natural History (29%), and Basic Science / Preclinical (19%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 23 | 29% |
Data assembled from 6 of 12 sources · Last updated Sep 19, 2026, 12:27 AM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center
Brain and nerves | 1 | Ciliary dyskinesia |
Ears | 1 | Recurrent otitis media |
Blood and immune system | 1 | Recurrent respiratory infections |
Pregnancy and birth | 1 | Neonatal respiratory distress |
Age of onset: newborn period.
Disease patterns and progression |
23 |
29% |
Laboratory research | 15 | 19% |
Patient case studies | 9 | 11% |
Testing and diagnosis research | 5 | 6% |
Other research | 2 | 3% |
New treatment approaches | 2 | 3% |
Clinical study results | 1 | 1% |
Rubbo B (2026). [PMID: 42199053](https://pubmed.ncbi.nlm.nih.gov/42199053/). *Pediatr Pulmonol*. [Review / Meta-Analysis]
AbdulWahab A (2026). [PMID: 41267578](https://pubmed.ncbi.nlm.nih.gov/41267578/). *Clin Genet*. [Epidemiology / Natural History]
Karavasiloglou N (2026). [PMID: 42203237](https://pubmed.ncbi.nlm.nih.gov/42203237/). *Eur Respir Rev*. [Review / Meta-Analysis]
Rademacher J (2026). [PMID: 42206015](https://pubmed.ncbi.nlm.nih.gov/42206015/). *ERJ Open Res*. [Epidemiology / Natural History]
Martynov I (2026). [PMID: 42204366](https://pubmed.ncbi.nlm.nih.gov/42204366/). *Pediatr Res*. [Epidemiology / Natural History]
Bertini V (2026). [PMID: 42061474](https://pubmed.ncbi.nlm.nih.gov/42061474/). *Respir Med*. [Other]
Hull RC (2026). [PMID: 42155496](https://pubmed.ncbi.nlm.nih.gov/42155496/). *Lancet Respir Med*. [Epidemiology / Natural History]
Hu S (2026). [PMID: 42134984](https://pubmed.ncbi.nlm.nih.gov/42134984/). *Eur Respir J*. [Diagnostic / Biomarker]
Yılmaz SY (2026). [PMID: 41784637](https://pubmed.ncbi.nlm.nih.gov/41784637/). *Eur J Pediatr*. [Basic Science / Preclinical]
Qin J (2026). [PMID: 41022581](https://pubmed.ncbi.nlm.nih.gov/41022581/). *Clin Genet*. [Review / Meta-Analysis]