TY - JOUR
T1 - A novel microdeletion in 1(p34.2p34.3), involving the SLC2A1 (GLUT1) gene, and severe delayed development
AU - Vermeer, Sascha
AU - Koolen, David A.
AU - Visser, Gepke
AU - Brackel, Hein J.L.
AU - van der Burgt, Ineke
AU - de Leeuw, Nicole
AU - Willemsen, Michèl A.A.P.
AU - Sistermans, Erik A.
AU - Pfundt, Rolph
AU - de Vries, Bert B.A.
PY - 2007/5/1
Y1 - 2007/5/1
N2 - A de novo 4.1-megabase microdeletion of chromosome 1p34.2p34.3 has been identified by array-based comparative genomic hybridization in a young male with severely delayed development, microcephaly, pronounced hypotonia, and facial dysmorphism. The deleted region encompasses 48 genes, among them the glucose transporter 1 (SLC2A1 or GLUT1) gene. The deletion of the GLUT1 gene was in line with the abnormal ratio of cerebrospinal fluid (CSF) glucose to blood glucose, indicative of GLUT1 deficiency syndrome (MIM #606777). GLUT1 deficiency syndrome is characterized by therapy-resistant infantile seizures, developmental delay, acquired microcephaly, spasticity, ataxia, and a low concentration of glucose in the CSF. It is known that a ketogenic diet can lead to better control of seizures. This case study shows that identifying a microdeletion as the cause of learning disability is not only important for genetic counselling but might also lead to therapeutic intervention.
AB - A de novo 4.1-megabase microdeletion of chromosome 1p34.2p34.3 has been identified by array-based comparative genomic hybridization in a young male with severely delayed development, microcephaly, pronounced hypotonia, and facial dysmorphism. The deleted region encompasses 48 genes, among them the glucose transporter 1 (SLC2A1 or GLUT1) gene. The deletion of the GLUT1 gene was in line with the abnormal ratio of cerebrospinal fluid (CSF) glucose to blood glucose, indicative of GLUT1 deficiency syndrome (MIM #606777). GLUT1 deficiency syndrome is characterized by therapy-resistant infantile seizures, developmental delay, acquired microcephaly, spasticity, ataxia, and a low concentration of glucose in the CSF. It is known that a ketogenic diet can lead to better control of seizures. This case study shows that identifying a microdeletion as the cause of learning disability is not only important for genetic counselling but might also lead to therapeutic intervention.
UR - http://www.scopus.com/inward/record.url?scp=34248374226&partnerID=8YFLogxK
U2 - https://doi.org/10.1111/j.1469-8749.2007.00380.x
DO - https://doi.org/10.1111/j.1469-8749.2007.00380.x
M3 - Article
C2 - 17489814
SN - 0012-1622
VL - 49
SP - 380
EP - 384
JO - Developmental Medicine and Child Neurology
JF - Developmental Medicine and Child Neurology
IS - 5
ER -