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Lookup NU author(s): Dr Ana TopfORCiD, Professor Hanns Lochmuller, Professor Rita HorvathORCiD
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© 2020 The Japanese Society of Child Neurology. Background: Congenital disorders of glycosylation (CDG) is a heterogeneous group of congenital metabolic diseases with multisystem clinical involvement. ALG3-CDG is a very rare subtype with only 24 cases reported so far. Case: Here, we report two siblings with dysmorphic features, growth retardation, microcephaly, intractable epilepsy, and hemangioma in the frontal, occipital and lumbosacral regions. Results: We studied two siblings by whole exome sequencing. A pathogenic variant in ALG3 (NM_005787.6: c.165C > T; p.Gly55=) that had been previously associated with congenital glycolysis defect type 1d was identified. Their intractable seizures were controlled by ketogenic diet. Conclusion: Although prominent findings of growth retardation and microcephaly seen in our patients have been extensively reported before, presence of hemangioma is a novel finding that may be used as an indication for ALG3-CDG diagnosis. Our patients are the first reported cases whose intractable seizures were controlled with ketogenic diet. This report adds ketogenic diet as an option for treatment of intractable epilepsy in ALG3-CDG.
Author(s): Paketci C, Edem P, Hiz S, Sonmezler E, Soydemir D, Sarikaya Uzan G, Oktay Y, O'Heir E, Beltran S, Laurie S, Topf A, Lochmuller H, Horvath R, Yis U
Publication type: Article
Publication status: Published
Journal: Brain and Development
Year: 2020
Volume: 42
Issue: 7
Pages: 539-545
Print publication date: 01/08/2020
Online publication date: 07/05/2020
Acceptance date: 19/04/2020
ISSN (print): 0387-7604
ISSN (electronic): 1872-7131
Publisher: Elsevier BV
URL: https://doi.org/10.1016/j.braindev.2020.04.008
DOI: 10.1016/j.braindev.2020.04.008
PubMed id: 32389449
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