Journal
CLINICAL CASE REPORTS
Volume 10, Issue 2, Pages -Publisher
WILEY
DOI: 10.1002/ccr3.5347
Keywords
CDG; congenital disorders of glycosylation; nephrotic syndrome; phosphomannomutase 2 deficiency; PMM2-CDG; renal involvement
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Congenital disorders of glycosylation (CDG) are rare metabolic diseases characterized by defects in protein glycosylation process. This case report presents a girl with central hypotonia, epilepsy, and severe psychomotor delay diagnosed with phosphomannomutase 2 deficiency (PMM2-CDG) after developing nephrotic syndrome at age 4.
Congenital disorders of glycosylation (CDG) are a group of rare metabolic diseases, characterized by a defect in the protein glycosylation process. Enzymes involved in this metabolic mechanism have ubiquitous distribution; thus, their alteration can cause systemic involvement and considerable phenotypic variability. Nephrotic syndrome (NS) is a clinical condition characterized by edema, hypoalbuminemia, hyperlipidemia, and proteinuria. We hereby report the case of a girl with central hypotonia, epilepsy, and severe psychomotor delay diagnosed with phosphomannomu Ease 2 deficiency (PMM2-CDG) after presenting with nephrotic syndrome at age 4 years.
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