@article{Chen2014299,
title = {Dihydropyrimidine dehydrogenase deficiency in two Malaysian siblings with abnormal MRI findings},
author = {B C Chen and R Mohd Rawi and R Meinsma and J Meijer and R C M Hennekam and A B P Van Kuilenburg},
url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84919783242&doi=10.1159%2f000366074&partnerID=40&md5=1ebfb9aedb7cb64e3423811b41b6aa7c},
doi = {10.1159/000366074},
issn = {16618769},
year = {2014},
date = {2014-01-01},
journal = {Molecular Syndromology},
volume = {5},
number = {6},
pages = {299-303},
publisher = {S. Karger AG},
abstract = {Dihydropyrimidine dehydrogenase (DPD) deficiency is an autosomal recessive disorder of the pyrimidine metabolism. Deficiency of this enzyme leads to an accumulation of thymine and uracil and a deficiency of metabolites distal to the catabolic enzyme. The disorder presents with a wide clinical spectrum, ranging from asymptomatic to severe neurological manifestations, including intellectual disability, seizures, microcephaly, autistic behavior, and eye abnormalities. Here, we report on an 11-year-old Malaysian girl and her 6-year-old brother with DPD deficiency who presented with intellectual disability, microcephaly, and hypotonia. Brain MRI scans showed generalized cerebral and cerebellar atrophy and callosal body dysgenesis in the boy. Urine analysis showed strongly elevated levels of uracil in the girl and boy (571 and 578 mmol/mol creatinine, respectively) and thymine (425 and 427 mmol/mol creatinine, respectively). Sequence analysis of the DPYD gene showed that both siblings were homozygous for the mutation c.1651G>A (pAla551Thr). © 2014 S. Karger AG, Basel.},
note = {cited By 4},
keywords = {Alanine, Article, Asymptomatic Disease, Autism, Autosomal Recessive Disorder, Case Report, Cerebellum Atrophy, Children, Creatinine, Dihydropyrimidine Dehydrogenase, Dihydropyrimidine Dehydrogenase Deficiency, Disease Severity, DPYD Gene, Eye Malformation, Female, Gene, Gene Mutation, Homozygosity, Human, Intellectual Impairment, Malaysian, Male, Microcephaly, Muscle Hypotonia, Nuclear Magnetic Resonance Imaging, Preschool Child, Pyrimidine, Pyrimidine Metabolism, School Child, Seizure, Sequence Analysis, Sibling, Threonine, Thymine, Uracil},
pubstate = {published},
tppubtype = {article}
}

@article{Tan2012210,
title = {De-novo mutations and genetic variation in the SCN1A gene in Malaysian patients with generalized epilepsy with febrile seizures plus (GEFS+)},
author = {E H Tan and S A Razak and J M Abdullah and A A Mohamed Yusoff},
url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84870296042&doi=10.1016%2fj.eplepsyres.2012.08.004&partnerID=40&md5=25cc4eeb07db2492a7c04c6b3b3b2167},
doi = {10.1016/j.eplepsyres.2012.08.004},
issn = {09201211},
year = {2012},
date = {2012-01-01},
journal = {Epilepsy Research},
volume = {102},
number = {3},
pages = {210-215},
abstract = {Generalized epilepsy with febrile seizures plus (GEFS+) comprises a group of clinically and genetically heterogeneous epilepsy syndrome. Here, we provide the first report of clinical presentation and mutational analysis of SCN1A gene in 36 Malaysian GEFS+ patients. Mutational analysis of SCN1A gene revealed twenty seven sequence variants (missense mutation and silent polymorphism also intronic polymorphism), as well as 2 novel de-novo mutations were found in our patients at coding regions, c.5197A>G (N1733D) and c.4748A>G (H1583R). Our findings provide potential genetic insights into the pathogenesis of GEFS+ in Malaysian populations concerning the SCN1A gene mutations. © 2012 Elsevier B.V.},
note = {cited By 2},
keywords = {Alanine, Amino Acid Substitution, Arginine, Article, Asparagine, Aspartic Acid, Children, Clinical Article, Clinical Feature, Controlled Study, Disease Association, DNA Mutational Analysis, DNA Sequence, Electroencephalography, Epilepsy, Febrile, Febrile Convulsion, Female, Gene, Gene Frequency, Gene Identification, Generalized, Generalized Epilepsy, Genetic Association, Genetic Predisposition, Genetic Screening, Genetic Variability, Glycine, Histidine, Human, Infant, Malaysia, Male, Missense Mutation, Molecular Pathology, Mutation, Mutational Analysis, Mutator Gene, Nav1.1 Voltage-Gated Sodium Channel, Onset Age, Patient Assessment, Polymorphism, Preschool Child, Priority Journal, Promoter Region, School Child, Seizure, Sequence Analysis, Single Nucleotide, Single Nucleotide Polymorphism, Sodium Channel Nav1.1, Voltage Gated Sodium Channel Alpha1 Subunit Gene},
pubstate = {published},
tppubtype = {article}
}