raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:263494

DPM3-CDG

Synonyms: CDG syndrome type Io · CDG-Io · CDG1O · Carbohydrate deficient glycoprotein syndrome type Io · Congenital disorder of glycosylation type 1o · Congenital disorder of glycosylation type Io

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Childhood
Status
active

DPM3-CDG is an extremely rare form of CDG syndrome characterized clinically in the single reported case by muscle weakness, waddling gait and dilated cardiomyopathy.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enDPM3-CDGCDG syndrome type Io · CDG-Io · CDG1O · Carbohydrate deficient glycoprotein syndrome type Io · Congenital disorder of glycosylation type 1o · Congenital disorder of glycosylation type Io
frDPM3-CDGAnomalie congénitale de la glycosylation type 1o · Anomalie congénitale de la glycosylation type Io · CDG-Io · CDG1O · Syndrome CDG type Io · Syndrome des glycoprotéines déficientes en hydrates de carbone type Io
deDPM3-CDGCDG (Congenital Disorder of Glycosylation) Typ Io · CDG-Io · CDG-Syndrom Typ Io · CDG1O · Kohlenhydrat-defizientes Glykoprotein-Syndrom Io · Kongenitaler Defekt der Glycoproteinbiosynthese Typ Io
esDPM3-CDGCDG-Io · CDG1O · Síndrome CDG tipo Io · Síndrome de glicoproteínas deficientes en carbohidratos tipo lo · Trastorno congénito de la glicosilación tipo 1o · Trastorno congénito de la glicosilación tipo Io
itDPM3-CDGCDG-Io · CDG1O · Disturbo congenito della glicosilazione, tipo Io · Sindrome CDG, tipo Io · Sindrome delle glicoproteine carenti in carboidrati, tipo Io
nlDPM3-CDGCDG1O · Congenitale defecten van de glycosylering type 1o · Congenitale defecten van de glycosylering type Io · Congenitale glycosylatiestoornis type 1o · Congenitale glycosylatiestoornis type Io · Koolhydraatdeficiënt glycoproteïne syndroom type Io · CDG-Io · CDG-syndroom type Io
ptSíndromeCDG, tipo Io
plDPM3-CDGCDG1O · CDG-Io · Zespół CDG typu Io · Wrodzone zaburzenie glikozylacji typu 1o · Wrodzone zaburzenie glikozylacji typu Io · Zespół obniżonej glikozylacji glikoprotein typu Io
csDPM3-CDGCDG syndrom, typ Io · CDG-Io · CDG1O · Vrozená porucha glykosylace, typ Io
ukDPM3-CDGВуглеводно-дефіцитний глікопротеїновий синдром типу Io · Синдром CDG, тип Io · CDG1O · CDG-Io · Вроджене порушення глікозилювання типу 1о · Вроджене порушення глікозилювання типу Io
zhDPM3基因型先天性糖基化障碍糖基化缺陷糖蛋白综合征Io型
trDPM3-CDGCDG1O · CDG-Io · CDG sendromu tip Io · Doğumsal glikozilasyon bozukluğu tip 1o · Doğumsal glikozilasyon bozukluğu tip Io · Karbonhidrat eksikliği olan glikoprotein sendromu tip Io

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM612937Evalidated
ICD-10E77.8NTBTattributedvalidated
ICD-115C54.0NTBTindexvalidated
MONDO0013049Evalidated
MeSHC567857Evalidated
UMLSC2752007Evalidated
GARD12395Evalidated

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 (5):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
DPM3Disease-causing germline mutation(s) inAssessedHGNC:3007ENSG000001790856059511q22dolichyl-phosphate mannosyltransferase subunit 3, regulatory20301507[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families1 casesWorldwideCase(s)Validated19576565[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_19576565[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

15 annotations · validated 2017-11-22
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0012363Decreased sialylation of O-linked protein glycosylation
Frequent (79-30%)
HP:0003487Babinski sign
HP:0008981Calf muscle hypertrophy
HP:0100749Chest pain
HP:0001644Dilated cardiomyopathy
HP:0002910Elevated circulating hepatic transaminase concentration
HP:0008331Elevated creatine kinase after exercise
HP:0002187Intellectual disability, profound
HP:0001324Muscle weakness
HP:0003560Muscular dystrophy
HP:0003749Pelvic girdle muscle weakness
HP:0001763Pes planus
HP:0001315Reduced tendon reflexes
HP:0003805Rimmed vacuoles
HP:0002401Stroke-like episode

Run the differential on the 1 obligate / very frequent terms

Annotation source: 19576565[PMID]_10835346[PMID]

7

Sources for this card