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Any uncombable hair syndrome in which the cause of the disease is a mutation in the TCHH gene.
Features include always present findings: Curly hair, Pili canaliculi, Brittle hair, and Uncombable hair.
TCHH function has not been fully characterized.
Uncombable hair syndrome 3 is associated with mutations in the TCHH gene on chromosome 1.
Genetic testing for TCHH is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 4 always present features.
No clinical trials have been registered for uncombable hair syndrome 3.
3 publications have been identified in PubMed for uncombable hair syndrome 3. Research spans Basic Science / Preclinical (67%) and Review / Meta-Analysis (33%).
Yu F (2025). [PMID: 41002404](https://pubmed.ncbi.nlm.nih.gov/41002404/). *Cells*. [Review / Meta-Analysis]
Roberson JL (2024). [PMID: 38902823](https://pubmed.ncbi.nlm.nih.gov/38902823/). *Diseases of the colon and rectum*. [Basic Science / Preclinical]
Fioretti T (2024). [PMID: 38791074](https://pubmed.ncbi.nlm.nih.gov/38791074/). *Biomedicines*. [Basic Science / Preclinical]
Data assembled from 5 of 12 sources · Last updated Sep 19, 2026, 11:57 PM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center