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| Overweight and obesity versus concentrations of VEGF-A, sVEGFR-1, and sVEGFR-2 in plasma of patients with lower limb chronic ischemia |
| Rados?aw Wieczór, Anna Maria Wieczór, Gra?yna Gadomska, Katarzyna Stankowska, Jacek Fabisiak, Karol Suppan, Grzegorz Pulkowski, Jacek Budzyński, Danuta Ro?? |
| Department of Pathophysiology, Faculty of Pharmacy, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Bydgoszcz PL 85-094, Poland; Clinic of Vascular and Internal Medicine, Dr. Jan Biziel University Hospital No. 2 in Bydgoszcz, Bydgoszcz PL 85-168, Poland; Department of Vascular and Internal Medicine, Faculty of Health Sciences, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Bydgoszcz PL 85-168, Poland |
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Abstract Objective: Being overweight or obese comprises a significant risk factor for atherosclerosis. Fat tissue also generates factors stimulating angiogenesis, the process by which new blood vessels form. The purpose of this paper is to assess concentrations of the vascular endothelial growth factor A (VEGF-A) and its soluble type-1 and type-2 receptors (sVEGFR-1 and sVEGFR-2) in plasma of patients with peripheral arterial disease (PAD) depending on the level of nutrition according to body mass index (BMI). Methods: The study group included patients suffering from symptomatic PAD (n=46) in Fontaine classes IIa–IV without any history of neoplastic disease and who have a normal BMI (n=15), are overweight (n=21) or are obese (n=10). The control group (n=30) consisted of healthy non-smoking volunteers who were neither overweight nor obese. Venous blood plasma samples were collected from both groups at rest in the morning to determine plasma concentrations of VEGF-A, sVEGFR-1, and sVEGFR-2 using the enzyme-linked immunosorbent assay (ELISA) method. Results: The group of patients with PAD co-existent with being overweight or obese tended to have higher mean concentration levels of VEGF-A and sVEGFR-2 when compared with patients suffering from PAD with normal BMI. A statistically significant positive correlation was obtained between BMI and average plasma concentrations of sVEGFR-2 (R=0.37, P=0.0103). However, no significant correlation was noticed between BMI and VEGF-A or sVEGFR-1 concentrations. Conclusions: A positive correlation determined between the level of antiangiogenic factor and BMI value may be indicative of the linearly growing prevalence of some antiangiogenic factors in patients with metabolic disorders, which may be one of numerous factors contributing to incomplete efficiency of collateral circulation development in patients with PAD.
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Received: 08 January 2016
Published: 03 November 2016
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Cite this article:
Rados?aw Wieczór, Anna Maria Wieczór, Gra?yna Gadomska, Katarzyna Stankowska, Jacek Fabisiak, Karol Suppan, Grzegorz Pulkowski, Jacek Budzyński, Danuta Ro??. Overweight and obesity versus concentrations of VEGF-A, sVEGFR-1, and sVEGFR-2 in plasma of patients with lower limb chronic ischemia. Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology), 2016, 17(11): 842-849.
URL:
http://www.zjujournals.com/xueshu/zjus-b/10.1631/jzus.B1600009 OR http://www.zjujournals.com/xueshu/zjus-b/Y2016/V17/I11/842
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