" /> Congenital disorder of glycosylation, type id - CISMeF





Preferred Label : Congenital disorder of glycosylation, type id;

Symbol : CDG1D;

CISMeF acronym : CDGS4; CDG1D;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : CDGId; Carbohydrate-deficient glycoprotein syndrome, type iv; Cdg id; Cdgs, type iv; CDGS4;

Description : Congenital disorders of glycosylation (CDGs) are a genetically heterogeneous group of autosomal recessive disorders caused by enzymatic defects in the synthesis and processing of asparagine (N)-linked glycans or oligosaccharides on glycoproteins. Type I CDGs comprise defects in the assembly of the dolichol lipid-linked oligosaccharide (LLO) chain and its transfer to the nascent protein. These disorders can be identified by a characteristic abnormal isoelectric focusing profile of plasma transferrin (Leroy, 2006). For a discussion of the classification of CDGs, see CDG1A (212065).;

Inheritance : Autosomal recessive;

Molecular basis : Caused by mutation in the homolog of the S. cerevisiae ALG3 gene (ALG3, 608750.0001);

Laboratory abnormalities : Abnormal isoelectric focusing of serum transferrin (type 1 pattern without increase of asialotransferrin); Hypoglycosylation of plasma glycoproteins; Dolichyl-P-Man:Man(5)GlcNAc(2)-PP-dolichyl mannosyltransferase deficiency;

Prefixed ID : #601110;

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05/05/2025


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