purine nucleoside phosphorylase deficiency

Summary
Synonym
  • PNP deficiency
  • Purine-Nucleoside Phosphorylase deficiency
  • deficiency of inosine phosphorylase
Definition
A combined T cell and B cell immunodeficiency that is a rare autosomal recessive metabolic disorder that has_material_basis_in mutation in the PNP gene and characterized mainly by decreased T-cell function.
Super Class
autosomal recessive disease combined T cell and B cell immunodeficiency
Disease Ontology
DOID:5813
Mondo Disease Ontology
MeSH
UMLS
NCI Thesaurus
ORDO
GARD
MGI genotype (from TogoID)
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
4860 PNP purine nucleoside phosphorylase
Displaying 1 entry
Gene ID Gene Symbol Description Source
18950 Pnp purine-nucleoside phosphorylase
The Human Phenotype Ontology
Displaying entries 1 - 10 of 53 in total
HPO ID HPO Term
HP:0002960 Autoimmunity
HP:0001973 Autoimmune thrombocytopenia
HP:0004430 Severe combined immunodeficiency
HP:0000752 Hyperactivity
HP:0002664 Neoplasm
HP:0001276 Hypertonia
HP:0001257 Spasticity
HP:0000407 Sensorineural hearing impairment
HP:0002205 Recurrent respiratory infections
HP:0001888 Lymphopenia
Displaying 1 entry
Gene ID Gene Symbol Description
4860 PNP purine nucleoside phosphorylase

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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: August 4, 2025