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The Incidence of Urea Cycle Disorders [PDF]
Molecular Genetics and Metabolism, 2013 A key question for urea cycle disorders is their incidence. In the United States two UCDs, argininosuccinic synthetase and lyase deficiency, are currently detected by newborn screening. We used newborn screening data on over 6million births and data from
Stefan Kolker +2 more
exaly +5 more sources
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Seminars in Neurology, 2014
The urea cycle is the primary nitrogen-disposal pathway in humans. It requires the coordinated function of six enzymes and two mitochondrial transporters to catalyze the conversion of a molecule of ammonia, the α-nitrogen of aspartate, and bicarbonate into urea.
Ileana Pacheco-Colón +2 more
exaly +5 more sources
The urea cycle is the primary nitrogen-disposal pathway in humans. It requires the coordinated function of six enzymes and two mitochondrial transporters to catalyze the conversion of a molecule of ammonia, the α-nitrogen of aspartate, and bicarbonate into urea.
Ileana Pacheco-Colón +2 more
exaly +5 more sources
A Longitudinal Study of Urea Cycle Disorders
Molecular Genetics and Metabolism, 2014 The Urea Cycle Disorders Consortium (UCDC) is a member of the NIH funded Rare Diseases Clinical Research Network and is performing a longitudinal study of 8 urea cycle disorders (UCDs) with initial enrollment beginning in 2006. The consortium consists of
Mark L Batshaw +2 more
exaly +2 more sources
Seminars in Neonatology, 2002
Most patients with urea cycle disorders who present as neonates, do so with deteriorating feeding, drowsiness and tachypnoea, following a short initial period when they appear well. The plasma ammonia should be measured at the same time as the septic screen in such patients.
J V, Leonard, A A M, Morris
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Most patients with urea cycle disorders who present as neonates, do so with deteriorating feeding, drowsiness and tachypnoea, following a short initial period when they appear well. The plasma ammonia should be measured at the same time as the septic screen in such patients.
J V, Leonard, A A M, Morris
openaire +3 more sources
Journal of Human Genetics, 2019
The urea cycle is a metabolic pathway for the disposal of excess nitrogen, which arises primarily as ammonia. Nitrogen is essential for growth and life-maintenance, but excessive ammonia leads to life-threatening conditions. The urea cycle disorders (UCDs) comprise diseases presenting with hyperammonemia that arise in either the neonatal period (about ...
Matsumoto, Shirou +5 more
openaire +3 more sources
The urea cycle is a metabolic pathway for the disposal of excess nitrogen, which arises primarily as ammonia. Nitrogen is essential for growth and life-maintenance, but excessive ammonia leads to life-threatening conditions. The urea cycle disorders (UCDs) comprise diseases presenting with hyperammonemia that arise in either the neonatal period (about ...
Matsumoto, Shirou +5 more
openaire +3 more sources
Treatment of Urea Cycle Disorders
Enzyme, 2017Recent advances in the treatment of inborn errors of urea synthesis have significantly decreased mortality. Treatment has included combining a high-quality low-protein diet with supplements of deficient metabolites and stimulation of alternate pathways of waste nitrogen excretion.
M L, Batshaw, P S, Monahan
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2019
A female infant, weighing 2786 g, was born at 39 weeks gestational age with Apgar scores of 8 points at 1 min and 9 points at 5 min after birth. She had no family history of hereditary disorders. Although she had no medical problems at birth and consumed her mother’s breast milk, she developed fever with increased white blood cell counts (WBC: 22,070 ...
Kimitoshi Nakamura +2 more
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A female infant, weighing 2786 g, was born at 39 weeks gestational age with Apgar scores of 8 points at 1 min and 9 points at 5 min after birth. She had no family history of hereditary disorders. Although she had no medical problems at birth and consumed her mother’s breast milk, she developed fever with increased white blood cell counts (WBC: 22,070 ...
Kimitoshi Nakamura +2 more
openaire +2 more sources
2016
The urea cycle is the final pathway for removal of surplus nitrogen from the body, the major route in humans for irreversible detoxification of ammonia and a source of arginine.2,3 Patients with adult-onset urea cycle disorders present with clinical symptoms that have a broad differential diagnosis (e.g., protein aversion, inappetence, cyclic vomiting,
Stefan Kölker +2 more
+5 more sources
The urea cycle is the final pathway for removal of surplus nitrogen from the body, the major route in humans for irreversible detoxification of ammonia and a source of arginine.2,3 Patients with adult-onset urea cycle disorders present with clinical symptoms that have a broad differential diagnosis (e.g., protein aversion, inappetence, cyclic vomiting,
Stefan Kölker +2 more
+5 more sources
Hospital Practice, 1985
A major achievement of decades of research has been identification of the specific biochemical urea cycle defects responsible for the five inherited enzyme deficiencies, any of which can cause hype...
openaire +2 more sources
A major achievement of decades of research has been identification of the specific biochemical urea cycle defects responsible for the five inherited enzyme deficiencies, any of which can cause hype...
openaire +2 more sources