juvenile polyposis-hereditary hemorrhagic telangiectasia syndrome

Summary
Synonym
  • JP-HHT
Definition
A syndrome characterized by hamartomatous polyps in the gastrointestinal tract, telangiectases of the skin, and oral and nasal mucosa, epistaxis, and arteriovenous malformations of the lungs, liver, brain, and gastrointestinal tract that has_material_basis_in heterozygous mutation in the SMAD4 gene on chromosome 18q21.2.
Super Class
autosomal dominant disease syndrome
Disease Ontology
DOID:0111543
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
4089 SMAD4 SMAD family member 4
Related Glycoprotein
Displaying 1 entry
UniProt ID Protein Name Source
Q13485 Mothers against decapentaplegic homolog 4
The Human Phenotype Ontology
Displaying entries 11 - 20 of 42 in total
HPO ID HPO Term
HP:0001256 Intellectual disability, mild
HP:0002705 High, narrow palate
HP:0001631 Atrial septal defect
HP:0000494 Downslanted palpebral fissures
HP:0002027 Abdominal pain
HP:0000160 Narrow mouth
HP:0001903 Anemia
HP:0002243 Protein-losing enteropathy
HP:0001249 Intellectual disability
HP:0002584 Intestinal bleeding
Displaying 1 entry
Gene ID Gene Symbol Description
5728 PTEN phosphatase and tensin homolog

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: December 8, 2025