尿NAG系来自于肾近曲小管上皮的溶酶体的一种酶,在伴有肾小管病变的肾疾患时,常表现为肾小管性蛋白尿增加,因此,具有一定的临床诊断意义。 本文作者对糖尿病时尿NAG活性增高因素,尤与糖尿病性视网膜病变等血管合并症之关系作了研 Urinary NAG is an enzyme from the lysosome of the renal proximal tubule epithelium, which is often manifested as an increase in tubular proteinuria in renal disorders associated with tubular lesions. Therefore, it has some clinical diagnostic significance. The author of the diabetic patients with increased urinary NAG activity factors, especially with diabetic retinopathy and other vascular complications were studied