Incidence of maple syrup urine disease, propionic acidemia, and methylmalonic aciduria from newborn screening data

Maple syrup urine disease

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 t...

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...

[Maple syrup urine disease].

Branched chain a-ketoacid dehydrogenase (BCKDH) deficiency results in maple syrup urine disease (MSUD). We examined the molecular basis of familial cases ofMSUD by analyzing the activity, subunit structure, mRNA sequence, and genome structure of the affected enzyme. The BCKDH activity in the proband with MSUD was 6% ofthe normal control level. Immunoblot analysis revealed that the ElB subunit o...

Maple syrup urine disease

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 t...

Maple syrup urine disease.