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Features include always present findings: Decreased liver function, Small scrotum, Short stature, and Seizure and others; and very common findings: Cerebral calcification. 63 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Digestive system | 11 | Decreased liver function, Gastroesophageal reflux, Ascites |
FARSB encodes phenylalanyl-tRNA synthetase subunit beta (589 aa). Highest expression in Cells EBV-transformed lymphocytes (63.9 TPM) and Cells Cultured fibroblasts (58.2 TPM).
Rajab interstitial lung disease with brain calcifications 1 is associated with mutations in the FARSB gene on chromosome 2.
FARSB is classified as a druggable target (Enzyme category) with score 0.0.
Genetic testing for FARSB is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 50 always present features, 1 very common feature, 8 common features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for Rajab interstitial lung disease with brain calcifications 1.
1 publication has been identified in PubMed for Rajab interstitial lung disease with brain calcifications 1. Research spans Case Report / Case Series (100%).
Nyenga AM (2024). [PMID: 38952481](https://pubmed.ncbi.nlm.nih.gov/38952481/). *Int Med Case Rep J*. [Case Report / Case Series]
Data assembled from 6 of 12 sources · Last updated Sep 19, 2026, 7:15 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Common questions about Rajab interstitial lung disease with brain calcifications 1
Brain and nerves
8 |
Seizure, Specific learning disability, Exercise intolerance |
Bones and joints | 6 | Delayed skeletal maturation, Joint hypermobility, Rickets |
Growth and development | 4 | Short stature, Failure to thrive, Intrauterine growth retardation |
Muscles | 4 | Low muscle tone (hypotonia), Generalized hypotonia, Axial hypotonia |
Lungs and breathing | 4 | Abnormal lung tissue (abnormal pulmonary interstitial morphology), Respiratory failure, Emphysema |
Blood and immune system | 3 | Recurrent urinary tract infections, Low red blood cell count (anemia), Low blood cell counts (all types) (pancytopenia) |
Head and neck | 2 | Microcephaly, High palate |
Lab test results | 2 | High bilirubin levels (unconjugated hyperbilirubinemia), Elevated circulating hepatic transaminase concentration |
Heart and blood vessels | 1 | Portal hypertension |
Kidneys and urinary system | 1 | Recurrent urinary tract infections |
Age of onset: before birth, infancy.