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KMID : 1189120210180010044
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대한의학유전학회지
2021 Volume.18 No. 1 p.44 ~ p.47
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Case report of cerebral creatine deficiency syndrome with novel mutation of SLC6A8 gene in a male child in Bangladesh
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Rahman Muhammad Mizanur
Fatema Kanij
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Abstract
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Cerebral creatine deficiency syndrome (CCDS) is a disorder where a defect is present in transport of creatine in the brain. Creatine plays an essential role in the energy metabolism of the brain. This is a genetic disorder, autosomal recessive or X linked, characterized by intellectual disability, speech and language delay, epilepsy, hypotonia, etc. Until recently very few number of cases have been reported. Here we report a case of 1.5-year-old boy who had epilepsy (epileptic spasm and generalized tonic clonic seizure), intellectual disability, microcephaly, hypotonia and speech delay. His magnetic resonance imaging of brain showed cortical atrophy and electroencephalography showed burst suppression pattern. The diagnosis was confirmed by clinical exome sequencing which showed novel mutation of SLC6A8+ in exon 9, suggestive of X linked recessive CCDS. The patient was then treated with glycine, L-arginine and creatine monohydrate with multiple antiepileptic drugs.
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KEYWORD
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Cerebral creatine deficiency syndrome, SLC6A8 protein, Intellectual disability
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