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尿中氨基酸的检查,对研究机体代謝有很大价值。許多先天性的代謝变化,尿中氨基酸的含量均与正常人有所不同。Clarkson等曾指出,某些重金属中毒引起尿中氨基酸总量的增加,各个氨基酸之間的比例亦发生显著变化。某些疾病直接影响机体氨基酸的代謝,如胶元病患者的尿中,氮基酸含量增高;但在神經、肌肉代謝紊乱患者的尿中,氨基酸含量減低,各种氨基酸的比例亦与正常人有明显的差異,特別是出現了脯氨酸。这种氨基酸不存在于正常人尿中。Edozien等指出,严
Urine amino acid test, the study of body metabolism has great value. Many congenital metabolic changes, urinary amino acid content are different with normal people. Clarkson et al have pointed out that some heavy metal poisoning caused by the total amino acid in the urine increased, the ratio between the various amino acids also changed significantly. Some diseases directly affect the body’s metabolism of amino acids, such as patients with glucogenosis urine, increased levels of amino acids; but in patients with neurological and muscular metabolic disorders, the amino acid content decreased, the ratio of various amino acids also with normal There are obvious differences, especially the emergence of proline. This amino acid is not found in normal human urine. Edozien et al