Abstract:
:Congenital disorders of glycosylation (CDG) represent an expanding family of metabolic disorders with a wide range of biochemical, molecular and clinical phenotypes. ALG3-CDG (CDG-Id), due to a defect in endoplasmic reticulum (ER) mannosyltransferase VI, is one of the less common types of CDG-I. We describe two Vietnamese siblings with confirmed ALG3-CDG (CDG-Id) by molecular testing. As far as we are aware, they are the oldest reported patients in the literature at 15 and 21years. They share similar clinical features with previously reported patients including facial dysmorphism, severe psychomotor retardation, microcephaly, seizures, and gastrointestinal symptoms. Furthermore, our sibling pair highlights the intrafamilial variability, the natural clinical course of ALG3-CDG (CDG-Id) and the benefit of reassessing patients with undiagnosed and complex syndromes, particularly when they present with neurological deterioration.
journal_name
Mol Genet Metabjournal_title
Molecular genetics and metabolismauthors
Riess S,Reddihough DS,Howell KB,Dagia C,Jaeken J,Matthijs G,Yaplito-Lee Jdoi
10.1016/j.ymgme.2013.05.020keywords:
["Cerebellar hypoplasia","Congenital disorders of glycosylation","Disability","Somnolence"]subject
Has Abstractpub_date
2013-09-01 00:00:00pages
170-5issue
1-2eissn
1096-7192issn
1096-7206pii
S1096-7192(13)00186-8journal_volume
110pub_type
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