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Title: Urinary protein excretion in type 2 diabetes with complications
Authors: Hong, C.Y. 
Chia, K.S.
Ling, S.L.
Keywords: β2-Microglobulin
Retinol-binding protein
Type 2
Issue Date: 2000
Citation: Hong, C.Y., Chia, K.S., Ling, S.L. (2000). Urinary protein excretion in type 2 diabetes with complications. Journal of Diabetes and its Complications 14 (5) : 259-265. ScholarBank@NUS Repository.
Abstract: This study examined the association between urinary markers of early diabetic nephropathy and non-renal diabetic complications in 946 patients with type 2 diabetes mellitus. The association with hypertension was also studied. Data on macrovascular complications (ischaemic heart disease, stroke, peripheral vascular disease) and microvascular complications (retinopathy, peripheral neuropathy) were obtained from case records and clinical examination. Urine samples collected were analysed for albumin, β2-microglobulin, retinol-binding protein (RBP), and N-acetyl-β-D-glucosaminidase (NAG). Results showed that urinary albumin, RBP and β2-microglobulin levels were higher in patients with macro- and/or microvascular complications, compared to those without. NAG levels were higher only in patients with both types of complications. A higher proportion of patients with complications had abnormally raised urinary protein and enzyme levels, compared to those without. Patients with associated hypertension had higher urinary levels of albumin and β2-microglobulin, regardless of whether complications were present or not. RBP excretion was, however, markedly higher only in patients with microvascular complications, whereas hypertension did not influence NAG excretion. Urine albumin and RBP excretion were predictive of microvascular, as well as both macrovascular and microvascular complications, whereas NAG excretion was predictive of macro- and microvascular complications. These findings could mean that increased urinary protein and enzyme excretion were associated with more severe disease in these patients. (C) 2000 Elsevier Science Inc.
Source Title: Journal of Diabetes and its Complications
ISSN: 10568727
DOI: 10.1016/S1056-8727(00)00119-7
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