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The selenium content of serum, whole blood and hair was measured by neutron activation analysis in dietetically treated patients with phenylketonuria (PKU) and maple-syrup-urine disease (MSUD). Follow-up studies showed a decrease of the serum selenium content and the glutathione peroxidase activity
Maple syrup urine disease (MSUD) is an inherited disorder caused by a deficiency of the branched-chain alpha-keto acid dehydrogenase complex activity. In the present study we evaluated selenium levels in plasma from MSUD patients at diagnosis and under treatment and the activities of glutathione
The blood selenium (Se) concentrations of New Zealand children were lower than those reported for children living in other countries. This low blood Se was primarily determined by the low dietary intake of the children which, in turn, reflects the low Se content of New Zealand soils. Blood Se also
A low Se intake in dietetically treated patients with phenylketonuria (PKU) or maple syrup urine disease (MSUD) leads to a marked reduction of the platelet glutathione peroxidase activity (GSHPx). The mean value amounted to 2.0 U/10(11) platelets with t-butyl hydroperoxidase (t-BOOH) (2.2 U/10(11)
Accumulation of the branched-chain alpha-keto acids (BCKA), alpha-ketoisocaproic acid (KIC), alpha-keto-beta-methylvaleric acid (KMV), and alpha-ketoisovaleric acid (KIV) and their respective branched-chain alpha-amino acids (BCAA) in tissues and biological fluids is the biochemical hallmark of
In the present study, we investigated the effects of the branched-chain amino acids (BCAA) leucine (Leu), isoleucine (Ile) and valine (Val), which accumulate in maple syrup urine disease (MSUD), on C6 glioma cell morphology and cytoskeletal reorganization by exposing the cultured cells to 1 and 5 mM
Accumulation of the branched-chain alpha-keto acids (BCKA), alpha-ketoisocaproic acid (KIC), alpha-keto-beta-methylvaleric acid (KMV) and alpha-ketoisovaleric acid (KIV) and their respective branched-chain alpha-amino acids (BCAA) occurs in tissues and biological fluids of patients affected by the
Selenium (Se) status was studied in a patient with classical maple syrup urine disease (MSUD) receiving Se supplement. The basal plasma Se concentration was 0.06 mumol/l increasing to 2.1 mumol/l after 40 days of supplementation. When the plasma Se distribution was analysed by gel filtration, a
Maple syrup urine disease (MSUD) is an inherited neurometabolic disorder biochemically characterized by the accumulation of the branched-chain alpha-keto acids (BCKA) alpha-ketoisocaproic (KIC), alpha-keto-beta-methylvaleric (KMV) and alpha-ketoisovaleric (KIV) and their respective branched-chain
Maple syrup urine disease (MSUD) is an autosomal recessive inborn error of metabolism caused by deficiency of the activity of the mitochondrial enzyme complex branched-chain α-keto acid dehydrogenase (BCKAD) leading to accumulation of the branched-chain amino acids (BCAA) leucine, isoleucine and
Maple syrup urine disease (MSUD) is an inherited neurometabolic disorder caused by deficiency of branched-chain alpha-keto acid dehydrogenase complex activity which leads to tissue accumulation of the branched-chain alpha-keto acids (BCKAs) alpha-ketoisocaproic acid (KIC), alpha-ketoisovaleric acid
The diets of 5 patients with phenylketonuria of maple-syrup-urine disease were supplemented with yeast which was rich in selenium. For 120 days the patients received 45 micrograms Se/day to increase the Se content of their diets to 10--12 ng Se/Kjoule. Before supplementation the selenium content of
Maple syrup urine disease (MSUD) is a metabolic disorder caused by the deficiency of the activity of the mitochondrial enzyme complex branched-chain L-2-keto acid dehydrogenase. The metabolic block results in tissue and body fluid accumulation of the branched-chain amino acids leucine (Leu),