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First report of glucose transporter 1 deficiency syndrome in Korea with a novel splice site mutation

Authors
 Sat Byul Woo  ;  Kon-Hee Lee  ;  Hoon-Chul Kang  ;  Hong Yang  ;  Darryl C De Vivo  ;  Sung Koo Kim 
Citation
 GENE, Vol.506(2) : 380-382, 2012-09 
Journal Title
 GENE 
ISSN
 0378-1119 
Issue Date
2012-09
MeSH
Carbohydrate Metabolism, Inborn Errors / blood ; Carbohydrate Metabolism, Inborn Errors / diagnosis ; Carbohydrate Metabolism, Inborn Errors / genetics* ; Erythrocytes / cytology ; Family Health ; Female ; Glucose / metabolism ; Glucose Transporter Type 1 / deficiency* ; Glucose Transporter Type 1 / genetics* ; Humans ; Infant, Newborn ; Korea ; Male ; Mutation ; RNA Splicing ; Syndrome ; Time Factors
Abstract
Glucose transporter type 1 deficiency syndrome (Glut-1DS) is caused by autosomal dominant haplodeficiency or autosomal recessive with homozygous mutation of the glucose transporter 1 (SLC2A1) gene and is characterized by severe seizures, developmental delay, ataxia and acquired microcephaly. We describe the first known Korean patient with glucose transporter 1 deficiency syndrome, who had a novel mutation in the splice site. The patient began having intractable seizures at 4 days of age that initially presented as eye blinking and apnea, evolving into generalized tonic seizures. A lumbar puncture revealed low glucose concentration in the cerebrospinal fluid (CSF) in the setting of normoglycemia (blood glucose, 106 mg/dl; CSF glucose 21 mg/dl, and CSF to blood glucose ratio 0.20). The results of a 3-O-methylglucose uptake study in erythrocytes (RBC) revealed that glucose uptake reduced to 48% of his parents in the patient. The patient responded to a ketogenic diet that was initiated at 4 months of age and currently is on the modified Atkins diet (MAD) without seizures. He does not require antiepileptic medication. We diagnosed the first Glut-1 patient in Korea with a novel splice site mutation on the basis of clinical features, deficient glucose uptake and a mutation in the SLC2A1 gene.
Full Text
https://www.sciencedirect.com/science/article/pii/S0378111912008098
DOI
10.1016/j.gene.2012.06.095
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pediatrics (소아청소년과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Hoon Chul(강훈철) ORCID logo https://orcid.org/0000-0002-3659-8847
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/178468
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