Maple syrup urine disease
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چکیده
Maple syrup urine disease (MSUD) is an autosomal recessive condition with an incidence of approximately 1 in 150 000 live births with a higher incidence amongst children from consanguineous relationships [1]. It is caused by an enzymatic deficiency with reduction in oxidative decarboxylation of branched-chain amino acids (BCAA) (leucine, isoleucine and valine) resulting in elevated levels and toxic metabolites that cause neurotoxicity [2].
منابع مشابه
Maple Syrup Urine Disease
Alternative Names MSUD Branched-Chain Ketoaciduria Branched-Chain Alpha-Keto Acid Dehydrogenase Deficiency BCKD Deficiency Keto Acid Decarboxylase Deficiency Maple Syrup Urine Disease, Classic Maple Syrup Urine Disease, Intermediate Maple Syrup Urine Disease, Intermittent Maple Syrup Urine Disease, Thiamine-Responsive Maple Syrup Urine Disease, E3-Deficient, with Lactic Acidosis Maple Syrup Uri...
متن کاملSelective Screening of Phenylketonuria, Tyrosinemia and Maple Syrup Urine Disease in Southern Iran
Inborn errors of amino-acids metabolism and other inherited Mendeliandisorders are common in the MiddleEast.The number of diagnosed inborn errors of amino acid metabolism is growing constantly on account of and availability and improved of analytical techniques. The aim of this work was to determine a rough estimate of the incidence rates of phenylketonuria (PKU), tyrosinemia, and maple syrup ...
متن کاملA Classic Case of Maple Syrup Urine Disease and a Novel Mutation in the BCKDHA Gene
Background: Maple syrup urine disease (MSUD) is an inherited branched-chain amino acid metabolic disorder caused by the deficiency in the branched-chain alpha-keto acid dehydrogenase (BCKD) complex. In MSUD, elevation of the branched-chain amino acids, such as alpha-keto acid and alpha-hydroxy acid, occurs due to the BCKDC gene deficiency, appearing in the blood, urine, and cerebrospinal fluid,...
متن کاملMaple Syrup Urine Disease Induced Grand Mal Seizures: A Case Report
Background Maple Syrup Urine Disease (MSUD) is a rare autosomal recessive metabolic error, characterized by Branched Chain α-Keto-acid Dehydrogenase Complex (BCKDC) deficiency. Mutations in 3 genes can lead to abnormal metabolism and accumulation of leucine, isoleucine, valine and corresponding keto-acids. MSUD affects 1 in 185,000 infants globally. Seizure is a common presentation among neonat...
متن کاملDual mechanism of brain injury and novel treatment strategy in maple syrup urine disease
Maple syrup urine disease (MSUD) is an inherited disorder of branched-chain amino acid metabolism presenting with life-threatening cerebral oedema and dysmyelination in affected individuals. Treatment requires life-long dietary restriction and monitoring of branched-chain amino acids to avoid brain injury. Despite careful management, children commonly suffer metabolic decompensation in the cont...
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