raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:79323

MPDU1-CDG

Synonyms: CDG syndrome type If · CDG-If · CDG1F · Carbohydrate deficient glycoprotein syndrome type If · Congenital disorder of glycosylation type 1f · Congenital disorder of glycosylation type If

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Infancy, Neonatal
Status
active

A rare disorder of multiple-pathway glycosylation characterised by psychomotor delay, seizures, failure to thrive, cardiomyopathy, and ichthyosis-like cutaneous anomalies.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMPDU1-CDGCDG syndrome type If · CDG-If · CDG1F · Carbohydrate deficient glycoprotein syndrome type If · Congenital disorder of glycosylation type 1f · Congenital disorder of glycosylation type If
frMPDU1-CDGAnomalie congénitale de la glycosylation type 1f · Anomalie congénitale de la glycosylation type If · CDG-If · CDG1F · Syndrome CDG type If · Syndrome des glycoprotéines déficientes en hydrates de carbone type If
deMPDU1-CDGCDG-If · CDG-Syndrom Typ If · CDG1F · Kohlenhydrat-defizientes Glykoprotein-Syndrom If · Kongenitaler Defekt der Glycoproteinbiosynthese Typ If
esMPDU1-CDGSíndrome CDG tipo If · Síndrome de glicoproteínas deficientes en carbohidratos tipo If · Trastorno congénito de la glicosilación tipo 1f · Trastorno congénito de la glicosilación tipo If · CDG-If · CDG1F
itMPDU1-CDGCDG-If · CDG1F · Disturbo congenito della glicosilazione, tipo 1f · Disturbo congenito della glicosilazione, tipo If · Sindrome CDG, tipo If · Sindrome delle glicoproteine carenti in carboidrati, tipo If
nlMPDU1-CDGCDG-If · CDG-syndroom type If · CDG1F · Congenitale defecten van de glycosylering type 1f · Congenitale defecten van de glycosylering type If · Congenitale glycosylatiestoornis type 1f · Congenitale glycosylatiestoornis type If · Koolhydraatdeficiënt glycoproteïne-syndroom type If
ptMPDU1-CDGCDG-If · CDG1F · Doença congénita da glicosilação tipo 1f · Doença congénita da glicosilação tipo If · Síndrome CDG tipo If · Síndrome de glicoproteína deficiente em carbohidratos tipo If
plMPDU1-CDGCDG1F · CDG-If · Wrodzone zaburzenie glikozylacji typu 1f · Wrodzone zaburzenie glikozylacji typu If · Zespół CDG typu If · Zespół obniżonej glikozylacji glikoprotein typu If
csMPDU1-CDGCDG syndrom, typ If · CDG-If · CDG1F · Carbohydrate deficient glycoprotein syndrom type If · Vrozená porucha glykosylace, typ 1f · Vrozená porucha glykosylace, typ If · Syndrom s deficitem karbohydrátového glykoproteinu typ If
ukMPDU1-CDGВуглеводно-дефіцитний глікопротеїновий тип синдрому If · Синдром CDG тип If · CDG1F · CDG-If · Вроджене порушення глікозилювання типу 1f · Вроджене порушення типу глікозилювання Якщо
zh先天性糖基化障碍1f型碳水化合物缺乏糖蛋白综合征If型
trMPDU1-CDGCDG1F · CDG-If · CDG sendromu tip If · Glikozilasyon tip 1f'nin doğumsal bozukluğu · Glikozilasyon tip If'nin doğumsal bozukluğu · Karbonhidrat eksikliği olan glikoprotein sendromu tipi If

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM609180Evalidated
ICD-10E77.8NTBTattributedvalidated
ICD-115C54.2NTBTindexvalidated
MONDO0012211Evalidated
MeSHC535744Evalidated
UMLSC1836669Evalidated
GARD9832Evalidated

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 (4):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
MPDU1Disease-causing germline mutation(s) inAssessedHGNC:7207ENSG0000012925560404117p13.1mannose-P-dolichol utilization defect 120301507[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families8 casesWorldwideCase(s)Validated28122681[PMID]_28940310[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_28122681[PMID]_28940310[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

26 annotations · validated 2021-10-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0012379Abnormal enzyme/coenzyme activity
HP:0010864Intellectual disability, severe
HP:0003642Type I transferrin isoform profile
Frequent (79-30%)
HP:0008947Floppy infant
Occasional (29-5%)
HP:0008529Absence of acoustic reflex
HP:0000824Decreased response to growth hormone stimulation test
HP:0030353Decreased serum insulin-like growth factor 1
HP:0000964Eczematoid dermatitis
HP:0003236Elevated circulating creatine kinase concentration
HP:0025474Erythematous plaque
HP:0011968Feeding difficulties
HP:0001276Hypertonia
HP:0002521Hypsarrhythmia
HP:0008064Ichthyosis
HP:0040288Nasogastric tube feeding
HP:0000648Optic atrophy
HP:0000242Parietal bossing
HP:0005478Prominent frontal sinuses
HP:0000803Renal cortical cysts
HP:0040189Scaling skin
HP:0001250Seizure
HP:0000233Thin vermilion border
HP:0007965Undetectable visual evoked potentials
HP:0002119Ventriculomegaly
HP:0000260Wide anterior fontanel
HP:0012704Widened subarachnoid space

Run the differential on the 3 obligate / very frequent terms

Annotation source: 11733564[PMID]_28484880[PMID]_28122681[PMID]_20301507[PMID]

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Sources for this card