The Protective Effect of Resveratrol on Diabetic Cardiomyopathy Tugba Karadeniz1 and Muammer Karadeniz2,3*

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The Protective Effect of Resveratrol on Diabetic Cardiomyopathy Tugba Karadeniz1 and Muammer Karadeniz2,3* ISSN: 2377-3634 Karadeniz and Karadeniz. Int J Diabetes Clin Res 2018, 5:089 DOI: 10.23937/2377-3634/1410089 Volume 5 | Issue 2 International Journal of Open Access Diabetes and Clinical Research REVIEW ARTICLE The Protective Effect of Resveratrol on Diabetic Cardiomyopathy Tugba Karadeniz1 and Muammer Karadeniz2,3* 1Department of Pathology, Izmir Tepecik Training and Research Hospital, Turkey 2 Check for Department of Internal Medicine, Izmir University, Turkey updates 3Department of Endocrinology, Izmir University, Turkey *Corresponding author: Muammer Karadeniz, MD, Faculty of Medicine, Department of Endocrinology, Izmir University, Karşıyaka, İzmir, Turkey, E-mail: [email protected] potoxicity and mitochondrial dysfunction plays a main Abstract role in the development of cardiomyopathy in diabetic Based on the key role of hyperglycemia-caused oxidative patients [4,5]. stress in the formation of diabetic cardiomyopathy, incre- ased antioxidant process would best restorative approa- The mechanism of diabetic cardiomyopathy are dif- ch for control of diabetic cardiomyopathy. The increased ferent and may related increased oxidative/nitrosative nitrative stress and peroxynitrite, activation of iNOS and TGF-B1 play a crucial role in the pathogenesis of diabetic stress with induced hyperglycemia [6], and activation of cardiomyopathy. Reduction of the expressions of the NOS- its downstream effector pathways (e.g. poly(ADP-ribo- 2 and TGF-B1 appears to be one of the important mechani- se) polymerase (PARP)) [7,8], changes in the composi- sms for resveratrol effect on heart. tion of extracellular matrix with increased myocardial Keywords fibrosis and inflammation [9,10]. Type 2 diabetes, Antioxidant, Hyperglycemia, Redox sta- Hyperglycemia has been shown to inhibit the pro- tus, Cardiomyopathy, Resveratrol survival effect of VEGF, leading to cell apoptosis via tyrosine nitration of PI3Kinase that results in Akt inacti- Introduction vation and increased p38 mitogen-activated protein ki- Coronary artery disease leading to myocardial infar- nase activation in cells [11]. NO, synthesized from L-ar- ction and heart failure is a chronic complication of dia- ginine by 3 NO synthase (NOS) enzymes, is a biological betes [1]. After a myocardial ischemic event, diabetes is mediator with multiple actions [12]. Two constitutively associated with increased adverse outcomes in terms present enzymes are found in neuronal and endothelial of both morbidity and mortality over the short and long cells, respectively; the third form is inducible in many term [2]. cells by endotoxin and cytokines, such as interleukin-1, interferon-γ, and TNF-α [13,14]. Diabetic cardiomyopathy, a disorder of the heart muscle in diabetic patients, is one of the major cau- Experimental studies have shown that induced NO ses of heart failure. Diabetes related cardiomyopathy synthesis has a negative inotropic effect on cardiac cells has been defined as diabetic-mediated ventricular dy- [15] and that high levels of NO produced by inducible sfunction independently of any vascular disease and NOS (iNOS) are cytotoxic [16,17]. Recent studies have hypertension manifesting initially by diastolic dysfun- suggested that generation of nitric oxide (NO) in the en- ction, later by systolic dysfunction, and finally by heart docardium and myocardium regulates cardiac function failure [3]. In older studies, several mechanisms have in a paracrine and autocrine fashion [18,19]. In patients been discussed for onset and development of diabe- with cardiac dysfunction, can be attributed to excessive tic cardiomyopathy, it is thinked that oxidative stress NO production resulting from cytokine-induced expres- resulting from diabetes-mediated hyperglycemia, li- sion of iNOS in myocardial and vascular tissues [20,21]. Citation: Karadeniz T, Karadeniz M (2018) The Protective Effect of Resveratrol on Diabetic Cardiomy- opathy. Int J Diabetes Clin Res 5:089. doi.org/10.23937/2377-3634/1410089 Accepted: June 02, 2018: Published: June 04, 2018 Copyright: © 2018 Karadeniz T, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Karadeniz and Karadeniz. Int J Diabetes Clin Res 2018, 5:089 • Page 1 of 5 • DOI: 10.23937/2377-3634/1410089 ISSN: 2377-3634 Figure 1: Collagen turnover in the heart. Changed mechanical stress (σ) and oxidative stress may trigger TNF-α, TGF-β, and MMP. TNF-α stimulated the matrix metalloproteinases (MMP) and inhibit the tissue inhibitors of metalloproteinases (TIMP). In a result, MMP degrades collagens, but TIMP and myofibroblast inhibit collagen degradation and promote collagen synthesis, finally determine collagen ECM remodeling. The authors showed that expression of iNOS protein away from oxidative attack cardiovascular disorders. with a high prevalence of TNF-alpha protein expression Resveratrol (trans-3,5,4′-trihydroxystilbene), a polyphe- in cardiac myocytes related with cardiomyopathy. Some nolic compound and naturally occurring phytoalexin, researchers have previously shown that inducible NO has been designated the active agent [35] present in red synthase (iNOS) expression was significantly elevated in wine. In a previous study, resveratrol reduced the oxida- STZ diabetic rat hearts [22] and once induced, iNOS is tive stress and increased inducible nitric oxide synthase known to generate large amounts of NO until the enzy- (iNOS) mRNA expression which leading to reduction of me is degraded [23]. Some cytokines, as example IGF-I, cardiomyocyte apoptosis and infarct size. In another TGF-β1, connective tissue growth factor, platelet-deri- study researchers showed that induced effect of resve- ved growth factor, basic fibroblast growth factor, and ratrol via VEGF, iNOS and eNOS increased expression. epidermal growth factor, have been reported to both This situation provided significant cardioprotection as increase cellular proliferation (intestinal smooth muscle evidenced by the reduction of infarct area and increa- cells or myofibroblasts) and increase synthesis of ECM sed capillary density [36] in the rats myocardial tissue. or collagen [24,25]. The definite mechanism for the beneficial effects of- re sveratrol may be due to nitric oxide (NO) production in We know that the collagen content is increased in endothelial cells, and in the heart [37]. Giovannini, et al. myocardium of patients with cardiomyopathy, indica- [37] and Naderali, et al. [38] demonstrated that upre- ting changes in the collagenous framework of the he- gulation of NO is a principal factor for the anti-ischemic art [26,27]. Moreover, some authors found correlation function of resveratrol [39]. between the myocardial collagen and fasting plasma glucose, mRNA expressions of TGF beta [28]. Also, AGEs Hong and collageous showed that resveratrol sup- activate several critical molecular pathways, which trig- press the protein expression of TGF-B1, TGFR-I (TGF-B ger production of profibrogenic growth factors, con- type I receptor) and TGFR-II (TGF-B type II receptor) in nective tissue growth factor (CTGF), and TGFβ1 [29,30] renal epithelial cells [40]. In previosuly studies, resvera- as well as the inflammatory response. Transforming trol reduced the mRNA expression of the inflammatory growth factor (TGF)-β1 co-regulates MMP expression, mediators TNF-α and IL-1β, as well as the mRNA expres- it affects fibroblast proliferation and regulates ECM pro- sion of collagen type I and TGF-β in the dimethylnitrosa- mine model of liver fibrosis in rats [41,42]. Diabetic rats duction by promoting collagen synthesis and reducing supplemented with antioxidant showed decreased glu- collagen degradation (Figure 1) [31,32]. cose, HbA1c and increased the plasma insulin levels. As Aharinejad and collageous found that TGF-β1 expres- β-cells in particular, are highly susceptible to oxidative sion is increased in myocardium of DCM patients; and that stress, hyperglycemia and dyslipidemia [43-45] increase TGF-β1 stimulation in DCM cardiac tissue significantly in- in oxidative stress in STZ diabetic rat which may induce creased collagen type I but reduced MMP-1 [33]. Another apoptosis of β-cell. researchers were found that resveratrol can be significant In last a study has depicted that 8 weeks treatment upregulation of the protein expression profiles of vascular with resveratrol (2.5 mg/kg/day; ip.) improves diabetic endothelial growth factor (VEGF) [34]. heart function through reducing ventricular inflamma- For many years, new agents have been tried to get tion and remodeling [46]. Also in the other recent study, Karadeniz and Karadeniz. Int J Diabetes Clin Res 2018, 5:089 • Page 2 of 5 • DOI: 10.23937/2377-3634/1410089 ISSN: 2377-3634 it has been shown that resveratrol given at 2.5 mg/kg/ 2. Abbud ZA, Shindler DM, Wilson AC, Kostis JB (1995) Effect day orally for 4 weeks prevented from cardiac and va- of diabetes mellitus on short- and long-term mortality rates of patients with acute myocardial infarction: A statewide scular dysfunction in diabetic rats through its effect on study: Myocardial Infarction Data Acquisition System Study redox balance [47]. Group. Am Heart J 130: 51-58. Accumulating evidence suggests that hyperglycemia 3. Bauters C, Lamblin N, Mc Fadden EP, Van Belle E, Millaire induces ROS [46] and overproduction of ROS is associa- A, et al. (2003) Influence of diabetes mellitus on heart failu- ted with apoptosis in the diabetic
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