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Adiponectin is related to markers of endothelial dysfunction and neoangiogenesis in diabetic patients.
International Urology and Nephrology 2018 September
PURPOSE: Adiponectin an adipokine, produced by mature adipocyte, has an important effect on several aspects of endothelial function, including leukocyte adhesion (mediated by adhesion molecules like intercellular adhesion molecule 1 (ICAM1) endothelial cell selective adhesion molecule ESAM). Recently, it has been linked to vascular endothelial growth factor (VEGF)-modulated angiogenesis. ESAM might also be involved in modulating VEGF-dependent actions. We studied relationship of adiponectin to ESAM, ICAM1, and VEGF in type 2 diabetic patients (T2DP) with or without microvascular complications.
METHODS: Incident T2DP referred for nephrologic evaluation were included (patients with no nephropathy or stage 1-4 nephropathy). T2DP with stage 5 chronic kidney disease (CKD) were selected from a dialysis center. Clinical, standard laboratory assessment and adiponectin, ESAM, ICAM1, and VEGF (ELISA) were recorded.
RESULTS: Eighty-seven patients were included, 15 had no CKD, 30 with stage 1 or 2 CKD, 20 with stage 3 or 4 CKD and 22 patients on dialysis. ESAM was higher in patients with CKD than in those without CKD (p = 0.02), adiponectin, ICAM1, and VEGF were similar. Adiponectin correlated in univariate analysis to ESAM (r = 0.32, p = 0.002), ICAM1 (r = 0.23, p = 0.038), and CRP (r = 0.31, p = 0.012), and inversely to serum albumin (r = - 0.57, < 0.0001). In predialysis patients, adiponectin also correlated to albuminuria (r = 0.54, p < 0.0001) and glomerular filtration rate (r = - 0.46, p = 0.0001). In multivariate regression ESAM (p = 0.04), VEGF (p = 0.03), and albumin (p < 0.0001) are significant predictors of adiponectin. None of these cytokines were different when comparing patients with and without retinopathy.
CONCLUSION: Adiponectin is directly linked to adhesion molecules and VEGF in T2DP.
METHODS: Incident T2DP referred for nephrologic evaluation were included (patients with no nephropathy or stage 1-4 nephropathy). T2DP with stage 5 chronic kidney disease (CKD) were selected from a dialysis center. Clinical, standard laboratory assessment and adiponectin, ESAM, ICAM1, and VEGF (ELISA) were recorded.
RESULTS: Eighty-seven patients were included, 15 had no CKD, 30 with stage 1 or 2 CKD, 20 with stage 3 or 4 CKD and 22 patients on dialysis. ESAM was higher in patients with CKD than in those without CKD (p = 0.02), adiponectin, ICAM1, and VEGF were similar. Adiponectin correlated in univariate analysis to ESAM (r = 0.32, p = 0.002), ICAM1 (r = 0.23, p = 0.038), and CRP (r = 0.31, p = 0.012), and inversely to serum albumin (r = - 0.57, < 0.0001). In predialysis patients, adiponectin also correlated to albuminuria (r = 0.54, p < 0.0001) and glomerular filtration rate (r = - 0.46, p = 0.0001). In multivariate regression ESAM (p = 0.04), VEGF (p = 0.03), and albumin (p < 0.0001) are significant predictors of adiponectin. None of these cytokines were different when comparing patients with and without retinopathy.
CONCLUSION: Adiponectin is directly linked to adhesion molecules and VEGF in T2DP.
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