Abstract
Objectives: An increased level of serum vascular adhesion protein-1 (VAP-1) has been found in patients with diabetes mellitus and vascular disorders. This study examined whether serum VAP-1 levels are associated with chronic kidney disease (CKD). Design and methods: We included 262 subjects aged 30 and above with fasting plasma glucose level < 7 mmol/L checked within 1 year. First morning urine specimens were collected. Microalbuminuria was defined if urinary albumin-to-creatinine ratio ≥ 30 μg/mg creatinine. The glomerular filtration rate (GFR) was estimated. CKD stages were defined according to the suggestions of the National Kidney Foundation. Serum VAP-1 levels were analyzed by immunofluorometric assay. Results: Serum VAP-1 levels were positively associated with the urinary albumin-to-creatinine ratio ( r = 0.29, p < 0.0001) and negatively associated with estimated GFR (r = -0.24, p = 0.0001). Subjects with CKD stage 2 (N = 51) and stage 3 (N = 91) had significantly higher levels of serum VAP-1 than those without CKD (p = 0.0003 and p = 0.035, adjusted for age and gender, respectively). A high serum VAP-1 level was associated with the presence of CKD (OR 1.63 for 1 SD increase of VAP-1, p = 0.018), adjusting for age, sex, and smoking. Ordered logit models revealed that high serum VAP-1 levels correlated with advanced stages of CKD. Conclusions: Serum levels of VAP-1 are associated with the severity of kidney damage or stages of kidney disease. The true mechanism which links the serum VAP-1 and CKD remains to be elucidated in further studies.
Original language | English |
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Pages (from-to) | 1362-1367 |
Number of pages | 6 |
Journal | Clinical Biochemistry |
Volume | 41 |
Issue number | 16-17 |
DOIs | |
Publication status | Published - Nov 2008 |
Externally published | Yes |
Keywords
- Amine oxidase
- Chronic kidney disease
- Microalbuminuria
- SSAO
- Vascular adhesion protein-1
ASJC Scopus subject areas
- Clinical Biochemistry