Hypoxanthine-guanine phosphoribosyltransfe…

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Hypoxanthine-guanine phosphoribosyltransferase deficiency

ORPHA:206428Clinical group

Also called HPRT deficiency · HPRT1 deficiency · Hypoxanthine-guanine phosphoribosyltransferase 1 deficiency

What it is

A group of rare hereditary disorders of purine metabolism characterized by uric acid overproduction and a continuum spectrum of neurological manifestations depending on the degree of the enzyme deficiency.

Key facts

Age of onset
Adolescent, Adult, Antenatal, Childhood, Infancy, Neonatal
Inheritance
X-linked recessive
Classified as
Clinical group

Genes reported in subtypes

HPRT1

Orphanet records this gene on 2 more specific entries under this disorder, not on this entry itself:

A well-studied disease is usually split into subtypes, and the gene is curated on whichever one the evidence belongs to. Open a subtype to see which gene goes with it.

Cross-references

GARD 2943MEDDRA 10075774MONDO 0016088MONDO 16088UMLS C5848153

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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