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Any Joubert syndrome in which the cause of the disease is a mutation in the TCTN1 gene.
Features include always present findings: Cerebellar vermis hypoplasia and Molar tooth sign on MRI. 3 total HPO annotations.
TCTN1 function has not been fully characterized.
Joubert syndrome 13 is associated with mutations in the TCTN1 gene on chromosome 12.
Genetic testing for TCTN1 is available. Testing is considered confirmatory for diagnosis.
Biomarker and diagnostic research for Joubert syndrome 13 has been reported in the published literature.
Phenotype severity distribution: 2 always present features.
No clinical trials have been registered for Joubert syndrome 13.
18 publications have been identified in PubMed for Joubert syndrome 13. Research spans Case Report / Case Series (28%), Basic Science / Preclinical (28%), and Review / Meta-Analysis (17%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 5 | 28% |
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 6:50 AM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center
Common questions about Joubert syndrome 13
5 |
28% |
Research summaries | 3 | 17% |
Disease patterns and progression | 3 | 17% |
Testing and diagnosis research | 1 | 6% |
New treatment approaches | 1 | 6% |
Mański Ł (2026). [PMID: 42073030](https://pubmed.ncbi.nlm.nih.gov/42073030/). *Children (Basel)*. [Case Report / Case Series]
Khan AO (2026). [PMID: 41812909](https://pubmed.ncbi.nlm.nih.gov/41812909/). *Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus*. [Case Report / Case Series]
Mański Ł (2026). [PMID: 42073090](https://pubmed.ncbi.nlm.nih.gov/42073090/). *Children (Basel)*. [Review / Meta-Analysis]
D'Abrusco F (2025). [PMID: 39394465](https://pubmed.ncbi.nlm.nih.gov/39394465/). *European journal of human genetics : EJHG*. [Case Report / Case Series]
Türk S (2025). [PMID: 42044428](https://pubmed.ncbi.nlm.nih.gov/42044428/). *Turk Arch Pediatr*. [Basic Science / Preclinical]
Yang Q (2025). [PMID: 41317100](https://pubmed.ncbi.nlm.nih.gov/41317100/). *Molecular genetics & genomic medicine*. [Gene Therapy / Novel Therapeutics]
Casteleyn T (2025). [PMID: 41148001](https://pubmed.ncbi.nlm.nih.gov/41148001/). *Prenatal diagnosis*. [Basic Science / Preclinical]
Ercoskun P (2025). [PMID: 39731278](https://pubmed.ncbi.nlm.nih.gov/39731278/). *Clinical genetics*. [Epidemiology / Natural History]
Lo Giudice M (2025). [PMID: 40565597](https://pubmed.ncbi.nlm.nih.gov/40565597/). *Genes*. [Basic Science / Preclinical]
Ahmed AAE (2025). [PMID: 40746772](https://pubmed.ncbi.nlm.nih.gov/40746772/). *Clinical case reports*. [Case Report / Case Series]