raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:397606

PrP systemic amyloidosis

Synonyms: Chronic diarrhea with HSAN · Chronic diarrhea with hereditary sensory and autonomic neuropathy · Prion protein systemic amyloidosis

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Adult
Status
active

A rare, autosomal dominant neurological disorder due to truncation mutations of the prion protein gene <i>PRNP</i> (20p13) leading to deposition of prion protein amyloid. Onset is usually in the fourth decade of life and reported clinical manifestations include diarrhea, nausea, autonomic failure (areflexia, weakness), neurogenic bladder and urinary infections.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPrP systemic amyloidosisChronic diarrhea with HSAN · Chronic diarrhea with hereditary sensory and autonomic neuropathy · Prion protein systemic amyloidosis
frAmylose systémique PrPAmylose systémique à protéine prion · Diarrhée chronique avec HSAN · Diarrhée chronique avec NHSA · Diarrhée chronique avec neuropathie héréditaire sensitive et autonomique
dePrP-Amyloidose, systemischeChronische Diarrhoe mit HSAN · Chronische Diarrhoe mit hereditärer sensorischer und autonomer Neuropathie · Prion-Protein-Amyloidose
esAmiloidosis sistémica PrPAmiloidosis sistémica de proteína priónica · Diarrea crónica con HSAN · Diarrea crónica con NSAH · Diarrea crónica con neuropatía sensitiva autonómica hereditaria
itAmiloidosi sistemica PrPDiarrea cronica con HSAN · Diarrea cronica con neuropatia autonomica e sensoriale ereditaria
nlPrP systemische amyloïdoseChronische diarree met HSAN · Chronische diarree met erfelijke sensorische en autonome neuropathie · Prionproteïne systemische amyloïdose
ptAmiloidose sistémica PrPAmiloidose sistémica de proteína priónica · Diarreia crónica com HSAN · Diarreia crónica com neuropatia sensitiva e autonómica hereditária
plPrzewlekła biegunka z dziedziczną neuropatią czuciową i autonomicznąPrzewlekła biegunka z HSAN
csPrP systémová amyloidózaPrionovo proteinová systémová amyloidóza · Chronický průjem s HSAN · Chronický průjem s dědičnou senzorickou a autonomní neuropatií
ukСистемний амілоїдоз PrPХронічна діарея зі спадковою сенсорною та вегетативною нейропатією · Хронічна діарея з HSAN · Пріонний білковий системний амілоїдоз
zhPrP系统性淀粉样变慢性腹泻伴遗传性感觉和自主神经病
trPrP sistemik amiloidozHSAN ile seyreden kronik diyare · Prion protein sistemik amiloidoz · Kalıtsal duyusal ve otonom nöropati ile seyreden kronik diyare

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10E85.8NTBTattributedvalidated
MONDO0018339Evalidated
UMLSC4518776Evalidated

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

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (3):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
PRNPDisease-causing germline mutation(s) inAssessedHGNC:9449ENSG0000017186717664020p13prion protein (Kanno blood group)24224623[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families16 casesWorldwideCase(s)Validated25623792[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_25623792[PMID]

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

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card