Biotinidase deficiency associated with renal loss of biocytin and biotin. 1985

E R Baumgartner, and T Suormala, and H Wick, and J Bausch, and J P Bonjour

Clinical and biochemical investigations in six patients with congenital biotinidase deficiency are presented. The time course of biotin depletion in relation to carboxylase activities and clinical onset of symptoms was studied after withdrawal of biotin supplementation. Renal biotin clearance studies were performed in patients and controls. Renal loss of biocytin and biotin itself are shown to be a major cause for the increased biotin requirement in patients with congenital biotinidase deficiency.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007668 Kidney Body organ that filters blood for the secretion of URINE and that regulates ion concentrations. Kidneys
D008025 Ligases A class of enzymes that catalyze the formation of a bond between two substrate molecules, coupled with the hydrolysis of a pyrophosphate bond in ATP or a similar energy donor. (Dorland, 28th ed) EC 6. Ligase,Synthetases,Synthetase
D008239 Lysine An essential amino acid. It is often added to animal feed. Enisyl,L-Lysine,Lysine Acetate,Lysine Hydrochloride,Acetate, Lysine,L Lysine
D008297 Male Males
D002262 Carboxy-Lyases Enzymes that catalyze the addition of a carboxyl group to a compound (carboxylases) or the removal of a carboxyl group from a compound (decarboxylases). EC 4.1.1. Carboxy-Lyase,Decarboxylase,Decarboxylases,Carboxy Lyase,Carboxy Lyases
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000581 Amidohydrolases Any member of the class of enzymes that catalyze the cleavage of amide bonds and result in the addition of water to the resulting molecules. Amidases,Amidohydrolase

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