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Any Joubert syndrome in which the cause of the disease is a mutation in the TMEM138 gene.
Features include always present findings: Molar tooth sign on MRI; and common findings: Oculomotor apraxia and Coloboma. 10 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Eyes | 2 | Oculomotor apraxia, Retinal dystrophy |
Kidneys and urinary system |
TMEM138 function has not been fully characterized.
Joubert syndrome 16 is associated with mutations in the TMEM138 gene on chromosome 11.
Genetic testing for TMEM138 is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 1 always present feature, 2 common features.
No clinical trials have been registered for Joubert syndrome 16.
21 publications have been identified in PubMed for Joubert syndrome 16. Research spans Case Report / Case Series (50%), Basic Science / Preclinical (35%), and Epidemiology / Natural History (10%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 10 | 50% |
Data assembled from 5 of 12 sources · Last updated Sep 19, 2026, 1:59 AM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center
Common questions about Joubert syndrome 16
2 |
Renal cyst, Nephronophthisis |
Age of onset: at birth.
7 |
35% |
Disease patterns and progression | 2 | 10% |
Research summaries | 1 | 5% |
Mański Ł (2026). [PMID: 41892648](https://pubmed.ncbi.nlm.nih.gov/41892648/). *Brain Sci*. [Case Report / Case Series]
Mański Ł (2026). [PMID: 42122953](https://pubmed.ncbi.nlm.nih.gov/42122953/). *J Clin Med*. [Epidemiology / Natural History]
Kiraz A (2025). [PMID: 40448720](https://pubmed.ncbi.nlm.nih.gov/40448720/). *Neurogenetics*. [Case Report / Case Series]
Jing H (2025). [PMID: 40933483](https://pubmed.ncbi.nlm.nih.gov/40933483/). *Frontiers in genetics*. [Basic Science / Preclinical]
Acosta-Paguada LF (2025). [PMID: 40898267](https://pubmed.ncbi.nlm.nih.gov/40898267/). *Journal of medical case reports*. [Case Report / Case Series]
Shankarappa B (2025). [PMID: 39911166](https://pubmed.ncbi.nlm.nih.gov/39911166/). *Molecular syndromology*. [Case Report / Case Series]
Bhate M (2025). [PMID: 40190368](https://pubmed.ncbi.nlm.nih.gov/40190368/). *Neuro-ophthalmology (Aeolus Press)*. [Case Report / Case Series]
Lo Giudice M (2025). [PMID: 40565597](https://pubmed.ncbi.nlm.nih.gov/40565597/). *Genes*. [Basic Science / Preclinical]
Tedesco MG (2025). [PMID: 40428346](https://pubmed.ncbi.nlm.nih.gov/40428346/). *Genes*. [Case Report / Case Series]
Hakeem A (2025). [PMID: 39781470](https://pubmed.ncbi.nlm.nih.gov/39781470/). *International journal of biological sciences*. [Basic Science / Preclinical]