The Effects of Pycnogenol® as Add-on Drug to Metformin Therapy in Diabetic Rats.

Stanislava Jankyova, Dominika Rubintova, Lenka Janosikova, Peter Panek,Tatiana Foltanova,Eva Kralova

PHYTOTHERAPY RESEARCH(2016)

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摘要
The progression of diabetes mellitus leads in time to the development of serious cardiovascular complications. Pycnogenol (R) (PYC) belongs to strong antioxidants that may interfere with different pathways playing an important role in diseases associated with oxidative stress. Metformin (MET), commonly used antidiabetic drug, has cardio-protective effects via activation of AMP kinase (AMPK). In our study, we examined the effects of PYC as add-on drug to metformin therapy in streptozotocin (STZ)-induced diabetic rats. Our results revealed that both used agents, PYC and MET, showed improvement of blood glucose levels, vascular reactivity, left ventricular hypertrophy, expression of AMPK, glucose transporter 4 (GLUT4) and calcium/calmodulin-dependent protein kinase II (CaMKII) in left ventricle of the hearts. However, the combination of these interventions has failed to possess higher efficacy. Copyright (c) 2016 John Wiley & Sons, Ltd.
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关键词
diabetes,glycaemia,AMPK,GLUT4,metformin,Pycnogenol (R)
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