An urea cycle disorder or urea cycle defect is a genetic disorder caused by a deficiency of one of the enzymes in the urea cycle which is responsible for removing ammonia from the blood stream. The urea cycle involves a series of biochemical steps in which nitrogen, a waste product of protein metabolism, is removed from the blood and converted to urea. Normally, the urea is transferred into the urine and removed from the body.

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  • An urea cycle disorder or urea cycle defect is a genetic disorder caused by a deficiency of one of the enzymes in the urea cycle which is responsible for removing ammonia from the blood stream. The urea cycle involves a series of biochemical steps in which nitrogen, a waste product of protein metabolism, is removed from the blood and converted to urea. Normally, the urea is transferred into the urine and removed from the body. In urea cycle disorders, the nitrogen accumulates in the form of ammonia, a highly toxic substance, and is not removed from the body. Urea cycle disorders are included in the category of inborn errors of metabolism. There is no cure.
  • Harnstoffzyklusdefekte sind Stoffwechselerkrankungen, die mit einer Störung der Stickstoff-Ausscheidung einhergehen. Sie führen zu einer Hyperammonämie, also einem krankhaft erhöhten Ammoniakgehalt im Blut. Ammoniak ist ein Stoffwechselgift und kann in hoher Konzentration Schäden an Nervenzellen, insbesondere dem Gehirn, verursachen. Es handelt sich um Erbkrankheiten, die unbehandelt zum Tod führen können, bei frühzeitiger Erkennung und Behandlung jedoch auch gutartig verlaufen können.
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  • An urea cycle disorder or urea cycle defect is a genetic disorder caused by a deficiency of one of the enzymes in the urea cycle which is responsible for removing ammonia from the blood stream. The urea cycle involves a series of biochemical steps in which nitrogen, a waste product of protein metabolism, is removed from the blood and converted to urea. Normally, the urea is transferred into the urine and removed from the body.
  • Harnstoffzyklusdefekte sind Stoffwechselerkrankungen, die mit einer Störung der Stickstoff-Ausscheidung einhergehen. Sie führen zu einer Hyperammonämie, also einem krankhaft erhöhten Ammoniakgehalt im Blut. Ammoniak ist ein Stoffwechselgift und kann in hoher Konzentration Schäden an Nervenzellen, insbesondere dem Gehirn, verursachen. Es handelt sich um Erbkrankheiten, die unbehandelt zum Tod führen können, bei frühzeitiger Erkennung und Behandlung jedoch auch gutartig verlaufen können.
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  • Urea cycle disorder
  • Harnstoffzyklusdefekt
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