raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:79233

Hypoxanthine guanine phosphoribosyltransferase partial deficiency

Synonyms: HPRT deficiency, grade I · HPRT partial deficiency · HPRT-related gout · HPRT-related hyperuricemia · HPRT1 partial deficiency · Hypoxanthine guanine phosphoribosyltransferase 1 partial deficiency · Hypoxanthine guanine phosphoribosyltransferase deficiency, grade I · Kelley-Seegmiller syndrome

Type
Disease
Group
Disorder
Inheritance
X-linked recessive
Age of onset
All ages
Status
active

A rare hypoxanthine-guanine phosphoribosyltransferase (HPRT) deficiency characterized by uric acid overproduction leading to urolithiasis, and early-onset gout, and a continuum spectrum of neurological manifestations, depending on the degree of the enzyme deficiency, without self-injurious behavior.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHypoxanthine guanine phosphoribosyltransferase partial deficiencyHPRT deficiency, grade I · HPRT partial deficiency · HPRT-related gout · HPRT-related hyperuricemia · HPRT1 partial deficiency · Hypoxanthine guanine phosphoribosyltransferase 1 partial deficiency · Hypoxanthine guanine phosphoribosyltransferase deficiency, grade I · Kelley-Seegmiller syndrome
frDéficit partiel en hypoxanthine guanine phosphoribosyltransféraseDéficit en HPRT grade I · Déficit en hypoxanthine-guanine phosphoribosyltransferase grade I · Déficit partiel en HPRT · Déficit partiel en HPRT1 · Déficit partiel en hypoxanthine guanine phosphoribosyltransférase 1 · Goutte associée à HPRT · Hyperuricémie associée à HPRT · Syndrome de Kelley-Seegmiller
deKelley-Seegmiller-SyndromHPRT-Mangel, Grad I · HPRT-Mangel, partieller · Hyperurikämie, HPRT-abhängige · Hypoxanthin-Guanin-Phosphoribosyltransferase-1-Mangel, partieller · Hypoxanthin-Guanin-Phosphoribosyltransferase-Mangel, partieller
esSíndrome de Kelley-SeegmillerDeficiencia de HPRT, grado 1 · Deficiencia de hipoxantina guanina fosforribosil transferasa, grado 1 · Deficiencia parcial de HPRT · Deficiencia parcial de HPRT1 · Deficiencia parcial de hipoxantina guanina fosforribosil transferasa · Deficiencia parcial de hipoxantina guanina fosforribosil transferasa 1 · Gota asociada a HPRT · Hiperuricemia asociada a HPRT
itSindrome di Kelley-SeegmillerDeficit parziale di HPRT · Deficit parziale di HPRT1 · Deficit parziale di ipoxantina guanina fosforibosil transferasi · Deficit parziale di ipoxantina guanina fosforibosil transferasi I · Gotta associata a HPRT · Iperuricemia associata a HPRT · Deficit di HPRT, grado I · Deficit di ipoxantina guanina fosforibosil transferasi, grado I
nlPartiële deficiëntie van hypoxanthine-guanine-fosforibosyltransferaseDeficiëntie van hypoxanthine-guanine-fosforibosyltransferase, graad I · HPRT-deficiëntie, graad I · HPRT-gerelateerd jicht · HPRT-gerelateerde hyperurikemie · Partiële HPRT-deficiëntie · Partiële HPRT1-deficiëntie · Partiële deficiëntie van hypoxanthine-guanine-fosforibosyltransferase 1 · Syndroom van Kelley-Seegmiller
ptSíndrome Kelley-Seegmiller
plZespół Kelley'a i SeegmilleraCzęściowy Niedobór fosforybozylotransferazy hipoksantynowo-guaninowej · Częściowy Niedobór fosforybozylotransferazy hipoksantynowo-guaninowej 1 · Częściowy Niedobór HPRT · Częściowy Niedobór HPRT1 · HPRT-związana z hiperurykemią · HPRT-związane z jelitami · Niedobór fosforybozylotransferazy hipoksantynowo-guaninowej, stopień I · Niedobór HPRT, stopień I
csČástečný deficit hypoxantin-guanin-fosforibosyltransferázyHPRT-vázaná dna · HPRT-vázaná hyperurikémie · Parciální deficit HPRT1 · Deficit HPRT, stupeň I · Částečný deficit HPRT · Částečný deficit hypoxantin-guanin-fosforibosyltransferázy 1 · Deficit hypoxantin-guanin-fosforibosyltransferázy, stupeň I · Kelleyho-Seegmillerův syndrom · Kelley-Seegmillerův syndrom
ukЧасткова недостатність гіпоксантин-гуанін-фосфорибозилтрансферазиДефіцит HPRT, ступінь I · Часткова недостатність HPRT · Часткова недостатність HPRT1 · Подагра, повязана з HPRT · Гіперурикемія, повязана з HPRT · Частковий дефіцит гіпоксантин-гуанін-фосфорибозилтрансферази 1 · Дефіцит гіпоксантин-гуанін-фосфорибозилтрансферази, ступінь I · Синдром Келлі-Сігміллера
zh次黄嘌呤-鸟嘌呤磷酸核糖基转移酶部分缺陷症次黄嘌呤-鸟嘌呤磷酸核糖基转移酶1部分缺乏
trHipoksantin guanin fosforiboziltransferaz kısmi eksikliğiHPRT-ilişkili gut · HPRT kısmi eksikliği · HPRT eksikliği, seviye I · HPRT1 kısmi eksikliği · HPRT-ilişkili hiperürisemi · Kelley-Seegmiller sendromu · Hipoksantin guanin fosforibosiltransferaz eksikliği, derece I · Hipoksantin guanin fosforibosiltransferaz 1 kısmi eksikliği

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM300323Evalidated
ICD-10E79.8NTBTattributedvalidated
ICD-115C55.0YNTBTindexvalidated
MONDO0010299Evalidated
MeSHC562583Evalidated
UMLSC0268117Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
HPRT1Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:5157ENSG00000165704308000Xq26.2-q26.3hypoxanthine phosphoribosyltransferase 110657589[PMID]_26073243[PMID]
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Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

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HPO phenotypes

18 annotations · validated 2019-08-13
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0001332Dystonia
HP:0002149Hyperuricemia
HP:0003149Hyperuricosuria
HP:0001249Intellectual disability
HP:0000112Nephropathy
Occasional (29-5%)
HP:0002071Abnormality of extrapyramidal motor function
HP:0000707Abnormality of the nervous system
HP:0001919Acute kidney injury
HP:0100518Dysuria
HP:0003259Elevated circulating creatinine concentration
HP:0001263Global developmental delay
HP:0001997Gout
HP:0001347Hyperreflexia
HP:0012587Macroscopic hematuria
HP:0000083Renal insufficiency
HP:0001250Seizure
HP:0000791Uric acid nephrolithiasis
Excluded (0%)
HP:0000742Self-mutilation

Annotation source: 5009592[PMID]_17687757[PMID]_18067674[PMID]_25420563[PMID]_28782500[PMID]

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Sources for this card