Abstract
Objective
L-arginine:glycine amidinotransferase (AGAT) deficiency is a rare autosomal recessive disorder affecting creatine biosynthesis, leading to developmental delay, intellectual disabilities, and myopathy. Unlike other creatine deficiency disorders, its link to epilepsy remains uncertain. This study presents the first reported epilepsy cases in AGAT deficiency, analyzing seizure patterns and response to creatine monohydrate supplementation.
Methods
We retrospectively analyzed two AGAT-deficient probands identified through a national collaboration. Biochemical assessments of creatine and guanidinoacetate (GAA) levels in plasma and urine were performed using electrospray ionization tandem ...
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20
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JUL
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