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 21 - 30 of 42 in total
HPO ID HPO Term
HP:0001627 Abnormal heart morphology
HP:0000369 Low-set ears
HP:0002014 Diarrhea
HP:0003073 Hypoalbuminemia
HP:0001643 Patent ductus arteriosus
HP:0001028 Hemangioma
HP:0002035 Rectal prolapse
HP:0000316 Hypertelorism
HP:0002003 Large forehead
HP:0002573 Hematochezia
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: April 6, 2026