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Hereditary hypotrichosis with recurrent skin vesicles is a very rare inherited hair loss disorder described in a family and characterized by sparse, fragile or absent hair on the scalp, eyebrows, eyelashes, axillae and rest of the body, associated with vesicle formation on various parts of the scalp and body which regularly burst and release watery fluid.
Features include always present findings: Sparse body hair, Epidermal acanthosis, Sparse eyebrow, and Angular cheilitis and others. 14 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Skin | 3 | Abnormal blistering of the skin, Skin vesicle, Follicular hyperkeratosis |
DSC3 encodes desmocollin 3 (896 aa). A component of desmosome cell-cell junctions which are required for positive regulation of cellular adhesion. Highest expression in Skin Not Sun Exposed Suprapubic (310.3 TPM) and Skin Sun Exposed Lower leg (304.3 TPM).
Hereditary hypotrichosis with recurrent skin vesicles is associated with mutations in the DSC3 gene on chromosome 18.
The DSC3 protein participates in Keratinocyte of spinosum layer differentiates into keratinocyte of granulosum layer in interfollicular epidermis pathway.
DSC3 is classified as a druggable target with score 2.6.
Genetic testing for DSC3 is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 12 always present features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for hereditary hypotrichosis with recurrent skin vesicles.
1 publication has been identified in PubMed for hereditary hypotrichosis with recurrent skin vesicles. Research spans Other (100%).
Niehues T (2024). [PMID: 39381601](https://pubmed.ncbi.nlm.nih.gov/39381601/). *Allergol Select*. [Other]
Data assembled from 6 of 12 sources · Last updated Sep 20, 2026, 8:42 AM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
1 |
Abnormal heart rhythm on EKG (abnormal ekg) |