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尿 N-乙酰 - β氨基葡萄糖苷酶 (NAG)是广泛分布于体内的一种细胞溶解体水解酶 ,主要来自肾近曲小管上皮细胞 ,含量高、分子大 ,一般无法由肾小球滤过 ,一旦肾小管受损 ,尿中NAG含量增高 ,因此它又被称为肾小管受损的标志酶。NAG常可作为早期肾损伤的指标 ,在诊断肾脏疾病和能
Urinary N-acetyl-β-glucosaminidase (NAG) is widely distributed in the body of a cell lysate hydrolase, mainly from renal proximal tubule epithelial cells, high content, large molecules, generally can not be glomerular filtration Once the tubules are damaged, the urinary NAG levels increase, so it is also known as a marker of renal tubular damage. NAG can often be used as an indicator of early renal damage in the diagnosis of kidney disease and can