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Features include always present findings: Micromelia, Brachydactyly, Short stature, and Postnatal growth retardation and others; and very common findings: Narrow forehead, Long philtrum, Low muscle tone (hypotonia), and Hypoplasia of the zygomatic bone and others. 34 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Eyes | 2 | Strabismus, Damage to the optic nerve (optic atrophy) |
NBAS encodes NBAS subunit of NRZ tethering complex (2,371 aa). Involved in Golgi-to-endoplasmic reticulum (ER) retrograde transport; the function is proposed to depend on its association in the NRZ complex which is believed to play a role in SNARE assembly at the ER. Highest expression in Testis (28.8 TPM) and Cells Cultured fibroblasts (23.7 TPM).
Short stature-optic atrophy-Pelger-Huët anomaly syndrome is associated with mutations in the NBAS gene on chromosome 2.
NBAS is classified as a druggable target with score 0.0.
Genetic testing for NBAS is available. Testing is considered confirmatory for diagnosis.
Biomarker and diagnostic research for short stature-optic atrophy-Pelger-Huët anomaly syndrome has been reported in the published literature.
Phenotype severity distribution: 7 always present features, 11 very common features, 8 common features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for short stature-optic atrophy-Pelger-Huët anomaly syndrome.
204 publications have been identified in PubMed for short stature-optic atrophy-Pelger-Huët anomaly syndrome. Kisho has analyzed 28 by research type. Research spans Review / Meta-Analysis (54%), Epidemiology / Natural History (18%), and Case Report / Case Series (11%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 15 | 54% |
Data assembled from 6 of 12 sources · Last updated Sep 20, 2026, 5:40 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Growth and development |
2 |
Short stature, Postnatal growth retardation |
Muscles | 2 | Low muscle tone (hypotonia), Damage to the optic nerve (optic atrophy) |
Bones and joints | 2 | Hypoplasia of the zygomatic bone, Delayed skeletal maturation |
Head and neck | 2 | Long face, Facial asymmetry |
Blood and immune system | 1 | Hyposegmentation of neutrophil nuclei |
Disease patterns and progression |
5 |
18% |
Patient case studies | 3 | 11% |
Laboratory research | 3 | 11% |
Testing and diagnosis research | 2 | 7% |
Jat NS (2026). [PMID: 35593847](https://pubmed.ncbi.nlm.nih.gov/35593847/). *Unknown Journal*. [Epidemiology / Natural History]
Jung EH (2026). [PMID: 41339337](https://pubmed.ncbi.nlm.nih.gov/41339337/). *Ophthalmic Genet*. [Review / Meta-Analysis]
Kaur K (2026). [PMID: 35015420](https://pubmed.ncbi.nlm.nih.gov/35015420/). *Unknown Journal*. [Epidemiology / Natural History]
Silverstein S (2025). [PMID: 40215727](https://pubmed.ncbi.nlm.nih.gov/40215727/). *Mol Genet Metab*. [Case Report / Case Series]
Caro R (2025). [PMID: 40531152](https://pubmed.ncbi.nlm.nih.gov/40531152/). *Am Fam Physician*. [Review / Meta-Analysis]
Peters B (2025). [PMID: 40433928](https://pubmed.ncbi.nlm.nih.gov/40433928/). *Liver Int*. [Epidemiology / Natural History]
Loberti L (2025). [PMID: 39953909](https://pubmed.ncbi.nlm.nih.gov/39953909/). *Genet Med*. [Epidemiology / Natural History]
Reynolds G (2025). [PMID: 40332000](https://pubmed.ncbi.nlm.nih.gov/40332000/). *Int J Mol Sci*. [Review / Meta-Analysis]
Paller AS (2025). [PMID: 40184496](https://pubmed.ncbi.nlm.nih.gov/40184496/). *Br J Dermatol*. [Review / Meta-Analysis]
Kim KA (2025). [PMID: 39557815](https://pubmed.ncbi.nlm.nih.gov/39557815/). *J Prosthodont*. [Review / Meta-Analysis]