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Parwani K, Patel F, Bhagwat P, Dilip H, Patel D, Thiruvenkatam V, Mandal P. Swertiamarin mitigates nephropathy in high-fat diet/streptozotocin-induced diabetic rats by inhibiting the formation of advanced glycation end products. Arch Physiol Biochem 2024; 130:136-154. [PMID: 34657540 DOI: 10.1080/13813455.2021.1987478] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 09/22/2021] [Accepted: 09/24/2021] [Indexed: 12/15/2022]
Abstract
CONTEXT The molecular mechanism by which Swertiamarin (SM) prevents advanced glycation end products (AGEs) induced diabetic nephropathy (DN) has never been explored. OBJECTIVE To evaluate the effect of SM in preventing the progression of DN in high fat diet-streptozotocin-induced diabetic rats. MATERIALS AND METHODS After 1 week of acclimatisation, the rats were divided randomly into five groups as follows: (1) Control group, which received normal chow diet; (2) High-fat diet (HFD) group which was fed diet comprising of 58.7% fat, 27.5% carbohydrate and 14.4% protein); (3) Aminoguanidine (AG) group which received HFD + 100 mg/k.b.w.AG (intraperitoneal); (4) Metformin (Met) group which received HFD + 70 mg/k.b.w. the oral dose of Met and (5) SM group which was supplemented orally with 50 mg/k.b.w.SM along with HFD. After 12 weeks all HFD fed animals were given a single 35 mg/k.b.w. dose of streptozotocin with continuous HFD feeding for additional 18 weeks. Later, various biochemical assays, urine analyses, histopathological analysis of kidneys, levels of AGEs, expression of various makers, and in-silico analysis were performed. RESULTS The diabetic group demonstrated oxidative stress, increased levels of AGEs, decreased renal function, fibrosis in the renal tissue, higher expression of the receptor for advanced glycation end products (RAGE), which were ameliorated in the SM treated group. In-silico analysis suggests that SM can prevent the binding of AGEs with RAGE. CONCLUSIONS SM ameliorated DN by inhibiting the oxidative stress induced by AGEs.HighlightsSM reduces the levels of hyperglycaemia-induced advanced glycation end products in serum and renal tissue.SM prevents renal fibrosis by inhibiting the EMT in the kidney tissue.The in-silico analysis proves that SM can inhibit the binding of various AGEs with RAGE, thereby inhibiting the AGE-RAGE axis.
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Affiliation(s)
- Kirti Parwani
- Department of Biological Sciences, P. D. Patel Institute of Applied Sciences, Charotar University of Science & Technology, Anand, India
| | - Farhin Patel
- Department of Biological Sciences, P. D. Patel Institute of Applied Sciences, Charotar University of Science & Technology, Anand, India
| | - Pranav Bhagwat
- Discipline of Chemistry, Indian Institute of Technology, Gandhinagar, India
| | - Haritha Dilip
- Discipline of Chemistry, Indian Institute of Technology, Gandhinagar, India
| | - Dhara Patel
- Department of Biological Sciences, P. D. Patel Institute of Applied Sciences, Charotar University of Science & Technology, Anand, India
| | - Vijay Thiruvenkatam
- Discipline of Biological Engineering, Indian Institute of Technology, Gandhinagar, India
| | - Palash Mandal
- Department of Biological Sciences, P. D. Patel Institute of Applied Sciences, Charotar University of Science & Technology, Anand, India
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Crosstalk between Resveratrol and Gut Barrier: A Review. Int J Mol Sci 2022; 23:ijms232315279. [PMID: 36499603 PMCID: PMC9739931 DOI: 10.3390/ijms232315279] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 12/01/2022] [Accepted: 12/01/2022] [Indexed: 12/08/2022] Open
Abstract
The plant-based nutraceuticals are receiving increasing interest in recent time. The high attraction to the phytochemicals is associated with their anti-inflammatory and antioxidant activities, which can lead to reduced risk of the development of cardiovascular and other non-communicable diseases. One of the most disseminated groups of plant bioactives are phenolic compounds. It was recently hypothesized that phenolic compounds can have the ability to improve the functioning of the gut barrier. The available studies showed that one of the polyphenols, resveratrol, has great potential to improve the integrity of the gut barrier. Very promising results have been obtained with in vitro and animal models. Still, more clinical trials must be performed to evaluate the effect of resveratrol on the gut barrier, especially in individuals with increased intestinal permeability. Moreover, the interplay between phenolic compounds, intestinal microbiota and gut barrier should be carefully evaluated in the future. Therefore, this review offers an overview of the current knowledge about the interaction between polyphenols with a special emphasis on resveratrol and the gut barrier, summarizes the available methods to evaluate the intestinal permeability, discusses the current research gaps and proposes the directions for future studies in this research area.
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Hu HC, Lei YH, Zhang WH, Luo XQ. Antioxidant and Anti-inflammatory Properties of Resveratrol in Diabetic Nephropathy: A Systematic Review and Meta-analysis of Animal Studies. Front Pharmacol 2022; 13:841818. [PMID: 35355720 PMCID: PMC8959544 DOI: 10.3389/fphar.2022.841818] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/18/2022] [Indexed: 12/25/2022] Open
Abstract
Background: Accumulated experimental evidence suggests that resveratrol may have an effect on diabetic nephropathy by inhibiting inflammation and decreasing oxidative stress. However, the credibility of the evidence for this practice is unclear. Thus, we aimed to perform a systematic review and meta-analysis of animal studies to evaluate the antioxidant and anti-inflammatory properties of resveratrol when used in the treatment of diabetic nephropathy. Methods: Electronic bibliographic databases including PubMed, EMBASE, and Web of Science were searched for relevant studies. The methodological quality of animal studies was assessed based on the SYstematic Review Center for Laboratory animal Experimentation Risk of Bias (SYRCLE’s RoB) tool. A meta-analysis was performed based on the Cochrane Handbook for Systematic Reviews of Interventions by using RevMan 5.4 software. This study was registered within International Prospective Register of Systematic Reviews (PROSPERO) as number CRD42021293784. Results: Thirty-six qualified studies involving 726 animals were included. There was a significant association of resveratrol with the levels of blood glucose (BG), serum creatinine (Scr), blood urea nitrogen (BUN), catalase (CAT), superoxide dismutase (SOD), malondialdehyde (MDA), glutathione (GSH), glutathione peroxidase (GPx), and interleukin-1β (IL-1β). Nevertheless, resveratrol treatment did not effectively decrease the levels of tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6). In addition, more remarkable antioxidant and hypoglycemic effects were observed in type 2 diabetic nephropathy rather than in type 1 diabetic nephropathy based on subgroup analysis. Conclusion: In this meta-analysis, resveratrol can exert its antioxidant activities by reducing the levels of MDA and recovering the activities of SOD, CAT, GSH, and GPx. With regard to pro-inflammatory cytokines, resveratrol had a positive effect on the reduction of IL-1β. However, the analysis indicated that resveratrol had no effect on IL-6 and TNF-α levels, probably because of the methodological quality of the studies and their heterogeneity. Current evidence supports the antioxidant and anti-inflammatory properties of resveratrol, but its relationship with the levels of some inflammatory cytokines such as IL-6 and TNF-α in animals with diabetic nephropathy needs further elucidation.
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Affiliation(s)
- Heng-Chang Hu
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yuan-Hong Lei
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wei-Hua Zhang
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiao-Qiong Luo
- Department of Neurology, Chongqing Traditional Chinese Medicine Hospital, Chongqing, China
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Esfahani M, Rahbar AH, Soleimani Asl S, Mehri F. Resveratrol: a panacea compound for diazinon-induced renal toxicity. TOXIN REV 2021. [DOI: 10.1080/15569543.2021.2008452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Maryam Esfahani
- Department of Clinical Biochemistry, Nutrition Health Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Amir Hossein Rahbar
- Department of Clinical Biochemistry, Payame Noor University of Isfahan, Isfahan, Iran
| | - Sara Soleimani Asl
- Anatomy Department, School of Medicine, Tehran University of Medical Sciences (Hemmat Pardis), Tehran, Iran
| | - Fereshteh Mehri
- Nutrition Health Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
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Therapeutic potential of Nrf-2 pathway in the treatment of diabetic neuropathy and nephropathy. Mol Biol Rep 2021; 48:2761-2774. [PMID: 33754251 DOI: 10.1007/s11033-021-06257-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 02/26/2021] [Indexed: 12/12/2022]
Abstract
Type 2 diabetes (T2D) is one of the most widely spread metabolic disordersand is also referred as a 'lifestyle' disorder. According toa study conducted by IDB, the number of individuals affected with diabetes is expected to increase from 463 to 700 million by the end of year 2045. Thus, there is a great need to developed targeted therapies that can maintain homeostasis of glucose levels and improving insulin sensitivity which can overcome hurdles associated with conventional medicine. Detailed analysis was conducted by analyzing various research and review papers which were searched using MEDLINE and EMBASE using various keywords. This search retrieved the most appropriate content on these molecules targeting Nrf-2 functions and Nrf-2 pathway associated with diabetic neuropathy and nephropathy. In this review article, we have highlighted the role of Nrf-2 in diabetic associated complications of neuropathy and nephropathy. Since hyperglycemia is associated with oxidative stress and inflammation, regulating Nrf-2 activity through various synthetic and natural activators whichmay provide therapeutic benefits for the treatment and mitigation of diabetic neuropathy and nephropathy as well. Based on the available literature on Nrf-2 activity and despite some controversies in the association of Nrf-2 activity and its therapeutic usage, it can be concluded that regulation of this pathway is a trigger in the development of diabetes-associated complications. Thus, targeting this pathway with various activators may emerge as a novel therapy in the treatment of diabetes and diabetes-associated complications. Nrf-2 activation leading to regulation of various downstream pathways responsible for managament of Diabetic neuropathy and nephropathy Legend: Activities regulated by the activation of Nrf-2 pathway by Natural and Synthetic activators. Various downstream signalling pathway are involved in increase (+) and decrease (-) in levels of Nrf-2 levels. Subsequently controlling various mechanism involved in the pathogenies of Diabetic neuropathy and nephropathy.
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Li KX, Ji MJ, Sun HJ. An updated pharmacological insight of resveratrol in the treatment of diabetic nephropathy. Gene 2021; 780:145532. [PMID: 33631244 DOI: 10.1016/j.gene.2021.145532] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 02/03/2021] [Accepted: 02/09/2021] [Indexed: 02/06/2023]
Abstract
As one of the most common complications of diabetes, nephropathy develops in approximately 40% of diabetic individuals. Although end stage kidney disease is known as one of the most consequences of diabetic nephropathy, the majority of diabetic individuals might die from cardiovascular diseases and infections before renal replacement treatment. Moreover, the routine medical treatments for diabetes hold undesirable side effects. The explosive prevalence of diabetes urges clinicians and scientists to investigate the complementary or alternative therapies. Phytochemicals are emerging as alternatives with a wide range of therapeutic effects on various pathologies, including diabetic kidney disease. Of those phytochemicals, resveratrol, a natural polyphenolic stilbene, has been found to exert a broad spectrum of health benefits via various signaling molecules. In particular, resveratrol has gained a great deal of attention because of its anti-oxidative, anti-inflammatory, anti-diabetic, anti-obesity, cardiovascular-protective, and anti-tumor properties. In the renal system, emerging evidence shows that resveratrol has already been used to ameliorate chronic or acute kidney injury. This review critically summarizes the current findings and molecular mechanisms of resveratrol in diabetic renal damage. In addition, we will discuss the adverse and inconsistent effects of resveratrol in diabetic nephropathy. Although there is increasing evidence that resveratrol affords great potential in diabetic nephropathy therapy, these results should be treated with caution before its clinical translation. In addition, the unfavorable pharmacokinetics and/or pharmacodynamics profiles, such as poor bioavailability, may limit its extensive clinical applications. It is clear that further research is needed to unravel these limitations and improve its efficacy against diabetic nephropathy. Increasing investigation of resveratrol in diabetic kidney disease will not only help us better understand its pharmacological actions, but also provide novel potential targets for therapeutic intervention.
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Affiliation(s)
- Ke-Xue Li
- Department of Physiology, Xuzhou Medical University, Xuzhou 221004, China
| | - Miao-Jin Ji
- Jiangsu Province Key Laboratory of Anesthesiology, School of Anesthesiology, Xuzhou Medical University, Xuzhou 221004, China.
| | - Hai-Jian Sun
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; Yong Loo Lin School of Medicine, National University of Singapore, 117597, Singapore.
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Dehdashtian E, Pourhanifeh MH, Hemati K, Mehrzadi S, Hosseinzadeh A. Therapeutic application of nutraceuticals in diabetic nephropathy: Current evidence and future implications. Diabetes Metab Res Rev 2020; 36:e3336. [PMID: 32415805 DOI: 10.1002/dmrr.3336] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 05/06/2020] [Accepted: 05/08/2020] [Indexed: 12/11/2022]
Abstract
Diabetes mellitus (DM) is a common metabolic disease which may cause several complications, such as diabetic nephropathy (DN). The routine medical treatments used for DM are not effective enough and have many undesirable side effects. Moreover, the global increased prevalence of DM makes researchers try to explore potential complementary or alternative treatments. Nutraceuticals, as natural products with pharmaceutical agents, have a wide range of therapeutic properties in various pathologic conditions such as DN. However, the exact underlying mechanisms have not been fully understood. The purpose of this review is to summarize recent findings on the effect of nutraceuticals on DN.
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Affiliation(s)
- Ehsan Dehdashtian
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Hossein Pourhanifeh
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Karim Hemati
- Department of Anesthesiology, Iran University of Medical Sciences, Tehran, Iran
| | - Saeed Mehrzadi
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Azam Hosseinzadeh
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
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Li J, Xie F, Zhu X, Hu H, Fang X, Huang Z, Liu Z, Wu S. Polysaccharides from the Fleshy Fruits of Camellia oleifera Attenuate the Kidney Injury in High-Fat Diet/Streptozotocin-Induced Diabetic Mice. J Med Food 2020; 23:1275-1286. [PMID: 33090944 DOI: 10.1089/jmf.2020.4717] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
The fleshy fruits of Camellia oleifera Abel are the immature fruits of C. oleifera, which are infected by Exobasidium vexans Massee and then turn to be intumescent and hollowed. They contain rich trace elements and vitamin C and are eaten directly as wild fruits in the Chinese countryside. Recent studies report that C. oleifera has anti-inflammatory and antioxidative effects. The current study, for the first time, evaluates the renal protective capacity of polysaccharides from the fleshy fruits of C. oleifera (CFFP) in streptozotocin-induced diabetic mice fed high-fat diets. The diabetic mice were orally administered CFFP for 3 months to evaluate the renoprotective function of CFFP. Our results indicated that 250 mg/kg CFFP significantly alleviated diabetes-induced renal injury by decreasing serum creatine, blood urea nitrogen levels, the kidney/body weight ratio, expression of fibronectin and collagen, as well as the secretion of tumor necrosis factor-α and interleukin-6. Additionally, 250 mg/kg CFFP could significantly ameliorate renal oxidative stress through increasing glutathione levels and lowering malondialdehyde contents. We confirmed that CFFP could exert antioxidative, anti-inflammatory, and antifibrosis activities. CFFP might be a potential therapeutic agent, and the fleshy fruits of C. oleifera might be a diet therapy for diabetic patients in the future.
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Affiliation(s)
- Jialin Li
- School of Pharmacy, Gannan Medical University, Ganzhou, China
| | - Fuhua Xie
- School of Basic Medicine, and Gannan Medical University, Ganzhou, China
| | - Xiuzhi Zhu
- School of Basic Medicine, and Gannan Medical University, Ganzhou, China
| | - Haibo Hu
- School of Pharmacy, Gannan Medical University, Ganzhou, China
| | - Xiansong Fang
- The First Affiliated Hospital, Gannan Medical University, Ganzhou, China
| | - Zhiwei Huang
- School of Pharmacy, Gannan Medical University, Ganzhou, China
| | - Zhiping Liu
- School of Basic Medicine, and Gannan Medical University, Ganzhou, China
| | - Suzhen Wu
- School of Basic Medicine, and Gannan Medical University, Ganzhou, China
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Cirano FR, Molez AM, Ribeiro FV, Tenenbaum HC, Casati MZ, Corrêa MG, Pimentel SP. Resveratrol and insulin association reduced alveolar bone loss and produced an antioxidant effect in diabetic rats. J Periodontol 2020; 92:748-759. [PMID: 32827164 DOI: 10.1002/jper.19-0718] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 07/15/2020] [Accepted: 07/20/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND The present investigation studied the effects of systemic administration of resveratrol (RSV) on the development of experimental periodontitis (EP) and on the release of markers of inflammation, bone metabolism, and oxidative stress in diabetic rats. METHODS Seventy-five male rats were divided into five groups: DM+PLAC: Diabetes Mellitus + placebo solution; DM+INS: DM + insulin therapy; DM+RSV: DM + RSV; DM+RSV+INS: DM + RSV and insulin; NDM: non-diabetic. Streptozotocin was used to induce DM and EP was induced by the placement of a ligature at the fist mandibular and the second maxillary molars. Euthanasia occurred 30 days after the initiation of the study and mandible specimens were subjected for morphometric analysis of bone level. Gingival tissues from mandibular molars were collected for quantification of inflammatory and oxidative stress markers by multiplex assay system and ELISA assay, respectively. Maxillary gingival tissues were processed for real-time polymerase chain reaction (real-time PCR) assessment of markers of bone metabolism and oxidative stress. RESULTS Morphometric analysis revealed greater bone loss in DM+PLAC and DM+INS in comparison to the other treatments (P < 0.05). RSV used in conjunction with INS reduced the levels of interleukin (IL)-1β, IL-6, IL-17, interferon-gamma (IFN-γ) and superoxide dismutase 1 (SOD) (P < 0.05). RSV alone reduced nicotinamide adenine dinucleotide phosphatase oxidase (NADPH oxidase) levels, in comparison to DM+INS and DM+RSV+INS (P < 0.05). All treatments upregulated mRNA levels for osteoprotegerin (OPG) in comparison to PLAC (P < 0.05). Sirtuin 1 (SIRT) mRNA levels were lower in PLAC when compared to DM+RSV, DM+RSV+INS and NDM (P < 0.05). CONCLUSION RSV reduced the progression of EP and the levels of NADPH oxidase. Co-treatment with RSV and insulin reduced the levels of pro-inflammatory factors (either proteins or mRNA) and increased the levels of SOD. The data also demonstrated that treatment with RSV and INS alone or in combination had beneficial effects on bone loss.
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Affiliation(s)
| | - Andréia Manetta Molez
- Dental Research Division, School of Dentistry, Paulista University, São Paulo, Brazil
| | | | - Howard C Tenenbaum
- Department of Periodontology, Faculty of Dentistry, Toronto, Ontario, Canada.,Laboratory Medicine and Pathobiology, Faculty of Medicine University of Toronto, Toronto, Ontario, Canada.,School of Dental Medicine, Department of Periodontics, Tel Aviv University, Tel Aviv, Israel.,Department of Dentistry and Centre for Advanced Dental Research and Care, Sinai Health System, Toronto, Ontario, Canada
| | - Marcio Z Casati
- Dental Research Division, School of Dentistry, Paulista University, São Paulo, Brazil
| | | | - Suzana Peres Pimentel
- Dental Research Division, School of Dentistry, Paulista University, São Paulo, Brazil
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Nazzaro F, Fratianni F, De Feo V, Battistelli A, Da Cruz AG, Coppola R. Polyphenols, the new frontiers of prebiotics. ADVANCES IN FOOD AND NUTRITION RESEARCH 2020; 94:35-89. [PMID: 32892838 DOI: 10.1016/bs.afnr.2020.06.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
There is a growing interest in the identification of molecules capable to promote health and with a concurrent potential for technological applications. Prebiotics are functional ingredients naturally occurring in some plant and animal foods that since many decades stimulated considerable attention from the pharmaceutical and food industries due to their positive health effects. Together the well-known biomolecules with ascertained prebiotic effect, in last year new molecules were finally recognized as prebiotics, so capable to improve the health of an organism, also through the positive effect exerted on host microbiota. Among the so-called prebiotics, a special mention should be given to polyphenols, probably the most important, or at least among the most important secondary metabolites produced by the vegetal kingdom. This short chapter wants to emphasize polyphenols and, after briefly describing the individual microbiome, to illustrate how polyphenols can, through their influence on the microbiome, have a positive effect on the health of the individual in general, and on some pathologies in particular, for which the role of a bad status of the individual microbiome has been definitively established.
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Affiliation(s)
| | | | - Vincenzo De Feo
- Department of Pharmacy, University of Salerno, Fisciano, Salerno, Italy
| | | | - Adriano Gomes Da Cruz
- Food Department, Federal Institute of Education, Science and Technology of Rio de Janeiro, Brazil
| | - Raffaele Coppola
- Department of Agricultural, Environmental and Food Sciences, DiAAA-University of Molise, Campobasso, Italy
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The therapeutic effect of resveratrol: Focusing on the Nrf2 signaling pathway. Biomed Pharmacother 2020; 127:110234. [PMID: 32559855 DOI: 10.1016/j.biopha.2020.110234] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 04/20/2020] [Accepted: 05/03/2020] [Indexed: 12/18/2022] Open
Abstract
Resveratrol is a natural polyphenol derived from grapes, berries, red wine, peanuts amongst other fruits and nuts. Beneficial effects such as anti-inflammatory, antioxidant, hepatoprotective, neuroprotective, cardioprotective, renoprotective, anti-obesity, anti-diabetic, and anti-cancer of resveratrol have been demonstrated by preclinical and clinical research. A possibility is that these therapeutical effects are associated with modulation of the Nrf2 signaling pathway in the following way: resveratrol may potentiate Nrf2 signaling through blockage of Keap1, by means of changing the Nrf2 mediators, its expression and its nuclear translocation. This article reviews the evidence of the Nrf2 modulating hypothesis as a possible molecular mechanism underlying the medicinal properties of resveratrol.
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Huang DD, Shi G, Jiang Y, Yao C, Zhu C. A review on the potential of Resveratrol in prevention and therapy of diabetes and diabetic complications. Biomed Pharmacother 2020; 125:109767. [PMID: 32058210 DOI: 10.1016/j.biopha.2019.109767] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 11/18/2019] [Accepted: 11/29/2019] [Indexed: 02/08/2023] Open
Abstract
Diabetes mellitus (DM) is a major world health problem and one of the most studied diseases, which are highly prevalent in the whole world, it is frequently associated with severe clinical complications, such as diabetic cardiomyopathy, nephropathy, retinopathy, neuropathy etc. Scientific research is continuously casting about for new monomer molecules from Chinese herbal medicine that could be invoked as candidate drugs for fighting against diabetes and its complications. Resveratrol (RES), a polyphenol phytoalexin, possesses diverse biochemical and physiological actions, including antiplatelet, estrogenic, and anti-inflammatory properties. It is recently gaining scientific interest for RES in controlling blood sugar and fighting against diabetes and its complications properties in various types of diabetic models. These beneficial effects seem to be due to the multiple actions of RES on cellular functions, which make RES become a promising molecule for the treatment of diabetes and diabetic complications. Here, we review the mechanism of action and potential therapeutic use of RES in prevention and mitigation of these diseases in recent ten years to provide a reference for further research and development of RES.
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Affiliation(s)
- Dan-Dan Huang
- Department of Pharmacy, The Second Affiliated Hospital of Fujian Medical University, Fujian, 362000, China
| | - Guangjiang Shi
- School of pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Yaping Jiang
- School of Pharmacology, Ningxia Hui Medicine Modern Engineering Research Center and Collaborative Innovation Center, Ningxia Medical University, Yinchuan, 750004, China
| | - Chao Yao
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, Center for New Drug Safety Evaluation and Research, China Pharmaceutical University, Nanjing, 211198, China
| | - Chuanlin Zhu
- Department of Laboratory Medicine, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, 400021, China.
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Bazyluk A, Malyszko J, Hryszko T, Zbroch E. State of the art - sirtuin 1 in kidney pathology - clinical relevance. Adv Med Sci 2019; 64:356-364. [PMID: 31125865 DOI: 10.1016/j.advms.2019.04.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 11/17/2018] [Accepted: 04/19/2019] [Indexed: 01/19/2023]
Abstract
Sirtuins represent a group of nicotinamide adenine dinucleotide dependent histone deacetylases, which regulates various biological pathways by promoting chromatin silencing and transcriptional repression. Therefore, they are linked to cellular energy metabolism, mitochondrial biogenesis, stress response, apoptosis, inflammation and fibrosis. Since sirtuin 1 became a promising candidate for targeted therapies of numerous conditions, researchers have been investigating its activator. As for now, natural agents and antidiabetic drug - metformin, have been found to activate sirtuin 1. Sirtuin 1 is able to improve kidney outcomes by direct impact on kidney cells, regulation of non-specific processes generally involved in pathogenesis of age-dependent and metabolic disorders and improvement of the comorbid diseases. This review discusses the state of the art knowledge on the role of sirtuin 1 on kidney pathology.
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Rašković A, Ćućuz V, Torović L, Tomas A, Gojković-Bukarica L, Ćebović T, Milijašević B, Stilinović N, Cvejić Hogervorst J. Resveratrol supplementation improves metabolic control in rats with induced hyperlipidemia and type 2 diabetes. Saudi Pharm J 2019; 27:1036-1043. [PMID: 31997911 PMCID: PMC6978634 DOI: 10.1016/j.jsps.2019.08.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Accepted: 08/30/2019] [Indexed: 12/11/2022] Open
Abstract
Resveratrol was recognized as the major factor responsible for the beneficial properties of red wine. Several resveratrol-based dietary supplements are available, but their efficacy has not been sufficiently tested. This study was designed to examine the effect of resveratrol supplementation, using a commercially available product, on the metabolic status of experimental animals with induced hyperlipidemia or type 2 diabetes mellitus (T2DM). Hyperlipidemia was induced by feeding the rats a standard pellet diet supplemented with cholesterol. T2DM was induced by adding 10% fructose to drinking water and streptozotocin. Treatment with resveratrol-based supplement improved glycemic control in diabetic animals and significantly decreased serum low-density-lipoprotein (LDL) and triglyceride levels, concurrently increasing the high-density-lipoprotein (HDL) levels in animals with hyperlipidemia. Resveratrol-treated animals had improved tolerance to glucose loading. Supplementation did not induce alterations in parameters of liver and renal function. Findings indicate that commercial resveratrol supplement improves metabolic control in rats with induced hyperlipidemia and T2DM.
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Affiliation(s)
- Aleksandar Rašković
- University of Novi Sad, Faculty of Medicine, Department of Pharmacology, Toxicology and Clinical Pharmacology, Hajduk Veljkova 3, Novi Sad, Serbia
| | - Veljko Ćućuz
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Hajduk Veljkova 3, Novi Sad, Serbia
| | - Ljilja Torović
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Hajduk Veljkova 3, Novi Sad, Serbia
| | - Ana Tomas
- University of Novi Sad, Faculty of Medicine, Department of Pharmacology, Toxicology and Clinical Pharmacology, Hajduk Veljkova 3, Novi Sad, Serbia
| | - Ljiljana Gojković-Bukarica
- University of Belgrade, Faculty of Medicine, Department of Pharmacology and Toxicology and Clinical Pharmacology, Belgrade, Serbia
| | - Tatjana Ćebović
- University of Novi Sad, Faculty of Medicine, Department of Biochemistry, Hajduk Veljkova 3, Novi Sad, Serbia
| | - Boris Milijašević
- University of Novi Sad, Faculty of Medicine, Department of Pharmacology, Toxicology and Clinical Pharmacology, Hajduk Veljkova 3, Novi Sad, Serbia
| | - Nebojša Stilinović
- University of Novi Sad, Faculty of Medicine, Department of Pharmacology, Toxicology and Clinical Pharmacology, Hajduk Veljkova 3, Novi Sad, Serbia
| | - Jelena Cvejić Hogervorst
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Hajduk Veljkova 3, Novi Sad, Serbia
- Corresponding author.
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15
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Den Hartogh DJ, Tsiani E. Health Benefits of Resveratrol in Kidney Disease: Evidence from In Vitro and In Vivo Studies. Nutrients 2019; 11:nu11071624. [PMID: 31319485 PMCID: PMC6682908 DOI: 10.3390/nu11071624] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 07/05/2019] [Accepted: 07/10/2019] [Indexed: 02/07/2023] Open
Abstract
Different diseases and disorders that affect the kidneys include, but are not limited to, glomerulonephritis, diabetic nephropathy, polycystic kidney disease, kidney stones, renal fibrosis, sepsis, and renal cell carcinoma. Kidney disease tends to develop over many years, making it difficult to identify until much later when kidney function is severely impaired and undergoing kidney failure. Although conservative care, symptom management, medication, dialysis, transplantation, and aggressive renal cancer therapy are some of the current strategies/approaches to kidney disease treatment, new preventative targeted therapies are needed. Epidemiological studies have suggested that a diet rich in fruits and vegetables is associated with health benefits including protection against kidney disease and renal cancer. Resveratrol, a polyphenol found in grapes and berries, has been reported to have antioxidant, anti-inflammatory, antidiabetic, hepatoprotective, neuroprotective, and anti-cancer properties. The current review summarizes the existing in vitro and in vivo animal and human studies examining the nephroprotective effects of resveratrol.
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Affiliation(s)
- Danja J Den Hartogh
- Department of Health Sciences, Brock University, St. Catharines, ON L2S 3A1, Canada
- Centre for Bone and Muscle Health, Brock University, St. Catharines, ON L2S 3A1, Canada
| | - Evangelia Tsiani
- Department of Health Sciences, Brock University, St. Catharines, ON L2S 3A1, Canada.
- Centre for Bone and Muscle Health, Brock University, St. Catharines, ON L2S 3A1, Canada.
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16
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Bashir SO. Concomitant administration of resveratrol and insulin protects against diabetes mellitus type-1-induced renal damage and impaired function via an antioxidant-mediated mechanism and up-regulation of Na +/K +-ATPase. Arch Physiol Biochem 2019; 125:104-113. [PMID: 29436859 DOI: 10.1080/13813455.2018.1437752] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This study investigated if a combination of resveratrol (RES) and insulin could reverse type 1 diabetic mellitus-induced (T1DM) nephropathy and illustrates mechanism of action. Rats were divided into six groups (n = 10/group) as follows: control, control + RES (20 mg/kg), T1DM, T1DM + RES, T1DM + insulin (1 U/g), and T1DM + RES + insulin and treated for eight weeks. While individual administrations of both drugs significantly but partially restored renal function and cortex architectures, combination therapy of both RES and insulin produced the maximum improvements. Mechanism of actions revealed a synergist effect of both drugs due to hypoglycaemic effect of insulin and the ability of both drugs to increase renal cortex antioxidant enzymes activities, inhibit lipid peroxidation, and up-regulate Na+/K+-ATPase, independent of each others. In conclusion, these data suggest the combined therapy with insulin and RES could provide an excellent combined drug therapy against T1DM-induced nephropathy.
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Affiliation(s)
- Salah O Bashir
- a Department of Physiology, College of Medicine , King Khalid University , Abha , Saudi Arabia
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17
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Koushki M, Amiri‐Dashatan N, Ahmadi N, Abbaszadeh H, Rezaei‐Tavirani M. Resveratrol: A miraculous natural compound for diseases treatment. Food Sci Nutr 2018; 6:2473-2490. [PMID: 30510749 PMCID: PMC6261232 DOI: 10.1002/fsn3.855] [Citation(s) in RCA: 122] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 09/24/2018] [Accepted: 09/26/2018] [Indexed: 12/11/2022] Open
Abstract
Resveratrol (3, 5, 4'-trihydroxystilbene) is a nonflavonoid polyphenol that naturally occurs as phytoalexin. It is produced by plant sources such as grapes, apples, blueberries, plums, and peanut. This compound has critical roles in human health and is well known for its diverse biological activities such as antioxidant and anti-inflammatory properties. Nowadays, due to rising incidence of different diseases such as cancer and diabetes, efforts to find novel and effective disease-protective agents have led to the identification of plant-derived compounds such as resveratrol. Furthermore, several in vitro and in vivo studies have revealed the effectiveness of resveratrol in various diseases such as diabetes mellitus, cardiovascular disease, metabolic syndrome, obesity, inflammatory, neurodegenerative, and age-related diseases. This review presents an overview of currently available studies on preventive properties and essential molecular mechanisms involved in various diseases.
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Affiliation(s)
- Mehdi Koushki
- Department of BiochemistryFaculty of MedicineTehran University of Medical SciencesTehranIran
| | - Nasrin Amiri‐Dashatan
- Student Research CommitteeProteomics Research CenterShahid Beheshti University of Medical SciencesTehranIran
| | - Nayebali Ahmadi
- Proteomics Research CenterFaculty of Paramedical SciencesShahid Beheshti University of Medical SciencesTehranIran
| | | | - Mostafa Rezaei‐Tavirani
- Proteomics Research CenterFaculty of Paramedical SciencesShahid Beheshti University of Medical SciencesTehranIran
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18
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Zhang J, Liu J, Qin X. Advances in early biomarkers of diabetic nephropathy. ACTA ACUST UNITED AC 2018; 64:85-92. [PMID: 29561946 DOI: 10.1590/1806-9282.64.01.85] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Accepted: 09/09/2017] [Indexed: 01/06/2023]
Abstract
Diabetic nephropathy is the main cause of chronic kidney disease, and represents the most common and serious complication of diabetes. The exact pathogenesis is complex and not elucidated. Several factors and mechanisms contribute to the development and outcome of diabetic nephropathy. An early diagnosis and intervention may slow down disease progression. A variety of biological markers associated with diabetic nephropathy were found in recent years, which was important for predicting the occurrence and development of the disease. Therefore, this article provides an overview of early biomarkers that are associated with diabetic nephropathy.
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Affiliation(s)
- Jin Zhang
- Masters Student, Department of Laboratory Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Jianhua Liu
- MD, PhD. Associate Professor of Laboratory Medicine, Department of Laboratory Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Xiaosong Qin
- MD, PhD. Professor of Laboratory Medicine, Department of Laboratory Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
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de Souza EL, de Albuquerque TMR, Dos Santos AS, Massa NML, de Brito Alves JL. Potential interactions among phenolic compounds and probiotics for mutual boosting of their health-promoting properties and food functionalities - A review. Crit Rev Food Sci Nutr 2018; 59:1645-1659. [PMID: 29377718 DOI: 10.1080/10408398.2018.1425285] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Several foods are rich sources of phenolic compounds (PC) and their beneficial effects on human health may be increased through the action of probiotics. Additionally, probiotics may use PC as substrates, increasing their survival and functionality. This review presents available studies on the effects of PC on probiotics, including their physiological functionalities, interactions and capability of surviving during exposure to gastrointestinal conditions and when incorporated into food matrices. Studies have shown that PC can improve the adhesion capacity and survival of probiotics during exposure to conditions that mimic the gastrointestinal tract. There is strong evidence that PC can modulate the composition of the gut microbiota in hosts, improving a variety of biochemical markers and risk factors for chronic diseases. Available literature also indicates that metabolites of PC formed by intestinal microorganisms, including probiotics, exert a variety of benefits on host health. These metabolites are typically more active than parental dietary PC. The presence of PC commonly enhances probiotic survival in different foods. Finally, further clinical studies need to be developed to confirm in vitro and experimental findings concerning the beneficial interactions among different PC and probiotics.
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Affiliation(s)
- Evandro Leite de Souza
- a Department of Nutrition , Health Sciences Center, Federal University of Paraíba , João Pessoa , Paraíba , Brazil
| | | | - Aldeir Sabino Dos Santos
- a Department of Nutrition , Health Sciences Center, Federal University of Paraíba , João Pessoa , Paraíba , Brazil
| | - Nayara Moreira Lacerda Massa
- a Department of Nutrition , Health Sciences Center, Federal University of Paraíba , João Pessoa , Paraíba , Brazil
| | - José Luiz de Brito Alves
- a Department of Nutrition , Health Sciences Center, Federal University of Paraíba , João Pessoa , Paraíba , Brazil
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20
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Simas JN, Mendes TB, Paccola CC, Vendramini V, Miraglia SM. Resveratrol attenuates reproductive alterations in type 1 diabetes-induced rats. Int J Exp Pathol 2017; 98:312-328. [PMID: 29285813 PMCID: PMC5826946 DOI: 10.1111/iep.12251] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Accepted: 08/31/2017] [Indexed: 12/11/2022] Open
Abstract
The progression of diabetes mellitus leads to several complications including overproduction of reactive oxygen species and reproductive alterations. As resveratrol (RES) is a powerful anti-oxidant and an anti-apoptotic compound, we hypothesized that side effects of type-1 diabetes (DM1) on male reproduction could be reduced by the RES treatment. Eighty-four prepubertal male rats were distributed into seven groups: sham-control (SC), RES-treated (R), resveratrol-vehicle-treated (RV), diabetic (D), diabetic-insulin-treated (DI), diabetic-RES-treated (DR), diabetic-insulin and RES-treated (DIR). DM1 was induced by a single intraperitoneal streptozotocin (STZ) injection (65 mg/kg) on the 30th day postpartum (dpp). Animals of DR, DIR and R groups received 150 mg/day of RES by gavage for 43 consecutive days (from the 33 to 75 dpp). DI and DIR rats received subcutaneous injections of insulin (1 U/100 g b.w./day) from 5th day after the DM1 induction. The blood glucose level was monitored. At 75 dpp, the euthanasia was performed for morphometric and biometric testicular analyses, spermatic evaluation and hormonal doses. In the D group, the blood glucose level was higher than in the DR, DI and DIR groups. Besides morphometric testicular measurements, testosterone and estradiol doses were lower in D group than in DR and DIR groups; LH dose was also lower than in DR. The preputial separation age was delayed in diabetes-induced groups. The DR and DIR groups showed an improvement in sperm mitochondrial activity, epididymal sperm counts and the frequency of morphologically normal sperms. RES treatment improved glycaemic level, sperm quantitative and qualitative parameters and the hormonal profile in DM1-induced rats and seems to be a good reproductive protector.
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Affiliation(s)
- Joana Noguères Simas
- Laboratory of Developmental BiologyDepartment of Morphology and GeneticsFederal University of Sao Paulo (UNIFESP)Sao PauloSPBrazil
| | - Talita Biude Mendes
- Laboratory of Developmental BiologyDepartment of Morphology and GeneticsFederal University of Sao Paulo (UNIFESP)Sao PauloSPBrazil
| | - Camila Cicconi Paccola
- Laboratory of Developmental BiologyDepartment of Morphology and GeneticsFederal University of Sao Paulo (UNIFESP)Sao PauloSPBrazil
| | - Vanessa Vendramini
- Laboratory of Developmental BiologyDepartment of Morphology and GeneticsFederal University of Sao Paulo (UNIFESP)Sao PauloSPBrazil
| | - Sandra Maria Miraglia
- Laboratory of Developmental BiologyDepartment of Morphology and GeneticsFederal University of Sao Paulo (UNIFESP)Sao PauloSPBrazil
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21
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Ota A, Ulrih NP. An Overview of Herbal Products and Secondary Metabolites Used for Management of Type Two Diabetes. Front Pharmacol 2017; 8:436. [PMID: 28729836 PMCID: PMC5499308 DOI: 10.3389/fphar.2017.00436] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Accepted: 06/16/2017] [Indexed: 12/29/2022] Open
Abstract
Diabetes mellitus is a common effect of uncontrolled high blood sugar and it is associated with long-term damage, dysfunction, and failure of various organs. In the adult population, the global prevalence of diabetes has nearly doubled since 1980. Without effective prevention and management programs, the continuing significant rise in diabetes will have grave consequences on the health and lifespan of the world population, and also on the world economy. Supplements can be used to correct nutritional deficiencies or to maintain an adequate intake of certain nutrients. These are often used as treatments for diabetes, sometimes because they have lower costs, or are more accessible or "natural" compared to prescribed medications. Several vitamins, minerals, botanicals, and secondary metabolites have been reported to elicit beneficial effects in hypoglycemic actions in vivo and in vitro; however, the data remain conflicting. Many pharmaceuticals commonly used today are structurally derived from natural compounds from traditional medicinal plants. Botanicals that are most frequently used to help manage blood glucose include: bitter melon (Momordica charantia), fenugreek (Trigonella foenum graecum), gurmar (Gymnema sylvestre), ivy gourd (Coccinia indica), nopal (Opuntia spp.), ginseng, Russian tarragon (Artemisia dracunculus), cinnamon (Cinnamomum cassia), psyllium (Plantago ovata), and garlic (Allium sativum). In majority of the herbal products and secondary metabolites used in treating diabetes, the mechanisms of action involve regulation of insulin signaling pathways, translocation of GLUT-4 receptor and/or activation the PPARγ. Several flavonoids inhibit glucose absorption by inhibiting intestinal α-amylase and α-glucosidase. In-depth studies to validate the efficacies and safeties of extracts of these traditional medicinal plants are needed, and large, well designed, clinical studies need to be carried out before the use of such preparations can be recommended for treatment and/or prevention of diabetes. The main focus of this review is to describe what we know to date of the active compounds in these, along with their glucose-lowering mechanisms, which are either through insulin-mimicking activity or enhanced glucose uptake.
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Affiliation(s)
| | - Nataša P. Ulrih
- Department of Food Science and Technology, Biotechnical Faculty, University of LjubljanaLjubljana, Slovenia
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22
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Tesauro M, Nisticò S, Noce A, Tarantino A, Marrone G, Costa A, Rovella V, Di Cola G, Campia U, Lauro D, Cardillo C, Di Daniele N. The possible role of glutathione-S-transferase activity in diabetic nephropathy. Int J Immunopathol Pharmacol 2017; 28:129-33. [PMID: 25816416 DOI: 10.1177/0394632015572564] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The most common cause of end stage renal disease is diabetic nephropathy. An early diagnosis may allow an intervention to slow down disease progression. Recently, it has been hypothesized that glutathione-S-transferase (GST) activity may be a marker of severity of chronic kidney disease. In particular, a lower GST activity is present in healthy subjects compared to patients with nephropathy. In the present review we illustrate the scientific evidence underlying the possible role of GST activity in the development of diabetic nephropathy and we analyze its usefulness as a possible early biomarker of this diabetic complication.
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Affiliation(s)
- M Tesauro
- Department of Systems Medicine, Division of Hypertension and Nephrology, University of Rome "Tor Vergata", Rome, Italy
| | - S Nisticò
- Department of Health Sciences, University of Catanzaro 'Magna Graecia', Catanzaro, Italy
| | - A Noce
- Department of Systems Medicine, Division of Hypertension and Nephrology, University of Rome "Tor Vergata", Rome, Italy
| | - A Tarantino
- Department of Systems Medicine, Division of Hypertension and Nephrology, University of Rome "Tor Vergata", Rome, Italy
| | - G Marrone
- Department of Systems Medicine, Division of Hypertension and Nephrology, University of Rome "Tor Vergata", Rome, Italy
| | - A Costa
- Center of Integrated Research, Campus Bio-Medico University of Rome, Rome, Italy
| | - V Rovella
- Department of Systems Medicine, Division of Hypertension and Nephrology, University of Rome "Tor Vergata", Rome, Italy
| | - G Di Cola
- Department of Systems Medicine, Division of Hypertension and Nephrology, University of Rome "Tor Vergata", Rome, Italy
| | - U Campia
- MedStar Cardiovascular Research Network Washington, DC, USA
| | - D Lauro
- Endocrinology Unit, University of Rome "Tor Vergata", Rome, Italy
| | - C Cardillo
- Internal Medicine, Catholic University, Rome, Italy
| | - N Di Daniele
- Department of Systems Medicine, Division of Hypertension and Nephrology, University of Rome "Tor Vergata", Rome, Italy
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23
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Cui W, Min X, Xu X, Du B, Luo P. Role of Nuclear Factor Erythroid 2-Related Factor 2 in Diabetic Nephropathy. J Diabetes Res 2017; 2017:3797802. [PMID: 28512642 PMCID: PMC5420438 DOI: 10.1155/2017/3797802] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 02/09/2017] [Accepted: 03/13/2017] [Indexed: 12/30/2022] Open
Abstract
Diabetic nephropathy (DN) is manifested as increased urinary protein level, decreased glomerular filtration rate, and final renal dysfunction. DN is the leading cause of end-stage renal disease worldwide and causes a huge societal healthcare burden. Since satisfied treatments are still limited, exploring new strategies for the treatment of this disease is urgently needed. Oxidative stress takes part in the initiation and development of DN. In addition, nuclear factor erythroid 2-related factor 2 (Nrf2) plays a key role in the cellular response to oxidative stress. Thus, activation of Nrf2 seems to be a new choice for the treatment of DN. In current review, we discussed and summarized the therapeutic effects of Nrf2 activation on DN from both basic and clinical studies.
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Affiliation(s)
- Wenpeng Cui
- Department of Nephrology, The Second Hospital of Jilin University, Changchun, Jilin 130041, China
| | - Xu Min
- Department of Nephrology, The Second Hospital of Jilin University, Changchun, Jilin 130041, China
| | - Xiaohong Xu
- Department of Gynaecology and Obstetrics, The Second Hospital of Jilin University, Changchun, Jilin 130041, China
| | - Bing Du
- Department of Cardiology, The First Hospital of Jilin University, Changchun, Jilin 130031, China
- *Bing Du: and
| | - Ping Luo
- Department of Nephrology, The Second Hospital of Jilin University, Changchun, Jilin 130041, China
- *Ping Luo:
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24
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David JA, Rifkin WJ, Rabbani PS, Ceradini DJ. The Nrf2/Keap1/ARE Pathway and Oxidative Stress as a Therapeutic Target in Type II Diabetes Mellitus. J Diabetes Res 2017; 2017:4826724. [PMID: 28913364 PMCID: PMC5585663 DOI: 10.1155/2017/4826724] [Citation(s) in RCA: 171] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 07/03/2017] [Accepted: 07/20/2017] [Indexed: 12/12/2022] Open
Abstract
Despite improvements in awareness and treatment of type II diabetes mellitus (TIIDM), this disease remains a major source of morbidity and mortality worldwide, and prevalence continues to rise. Oxidative damage caused by free radicals has long been known to contribute to the pathogenesis and progression of TIIDM and its complications. Only recently, however, has the role of the Nrf2/Keap1/ARE master antioxidant pathway in diabetic dysfunction begun to be elucidated. There is accumulating evidence that this pathway is implicated in diabetic damage to the pancreas, heart, and skin, among other cell types and tissues. Animal studies and clinical trials have shown promising results suggesting that activation of this pathway can delay or reverse some of these impairments in TIIDM. In this review, we outline the role of oxidative damage and the Nrf2/Keap1/ARE pathway in TIIDM, focusing on current and future efforts to utilize this relationship as a therapeutic target for prevention, prognosis, and treatment of TIID.
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Affiliation(s)
- Joshua A. David
- Hansjörg Wyss Department of Plastic and Reconstructive Surgery, New York University School of Medicine, 430 East 29th Street, New York, NY 10016, USA
| | - William J. Rifkin
- Hansjörg Wyss Department of Plastic and Reconstructive Surgery, New York University School of Medicine, 430 East 29th Street, New York, NY 10016, USA
| | - Piul S. Rabbani
- Hansjörg Wyss Department of Plastic and Reconstructive Surgery, New York University School of Medicine, 430 East 29th Street, New York, NY 10016, USA
| | - Daniel J. Ceradini
- Hansjörg Wyss Department of Plastic and Reconstructive Surgery, New York University School of Medicine, 430 East 29th Street, New York, NY 10016, USA
- *Daniel J. Ceradini:
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25
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Fu J, Hou Y, Xue P, Wang H, Xu Y, Qu W, Zhang Q, Pi J. Nrf2 in Type 2 diabetes and diabetic complications: Yin and Yang. CURRENT OPINION IN TOXICOLOGY 2016. [DOI: 10.1016/j.cotox.2016.08.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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26
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Bourgeois JS, Jacob J, Garewal A, Ndahayo R, Paxson J. The Bioavailability of Soluble Cigarette Smoke Extract Is Reduced through Interactions with Cells and Affects the Cellular Response to CSE Exposure. PLoS One 2016; 11:e0163182. [PMID: 27649082 PMCID: PMC5029896 DOI: 10.1371/journal.pone.0163182] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Accepted: 09/02/2016] [Indexed: 11/26/2022] Open
Abstract
Cellular exposure to cigarette smoke leads to an array of complex responses including apoptosis, cellular senescence, telomere dysfunction, cellular aging, and neoplastic transformation. To study the cellular response to cigarette smoke, a common in vitro model exposes cultured cells to a nominal concentration (i.e. initial concentration) of soluble cigarette smoke extract (CSE). However, we report that use of the nominal concentration of CSE as the only measure of cellular exposure is inadequate. Instead, we demonstrate that cellular response to CSE exposure is dependent not only on the nominal concentration of CSE, but also on specific experimental variables, including the total cell number, and the volume of CSE solution used. As found in other similar xenobiotic assays, our work suggests that the effective dose of CSE is more accurately related to the amount of bioavailable chemicals per cell. In particular, interactions of CSE components both with cells and other physical factors limit CSE bioavailability, as demonstrated by a quantifiably reduced cellular response to CSE that is first modified by such interactions. This has broad implications for the nature of cellular response to CSE exposure, and for the design of in vitro assays using CSE.
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Affiliation(s)
- Jeffrey S. Bourgeois
- Department of Biology, College of the Holy Cross, Worcester, MA, 01610, United States of America
| | - Jeeva Jacob
- Department of Biology, College of the Holy Cross, Worcester, MA, 01610, United States of America
| | - Aram Garewal
- Department of Biology, College of the Holy Cross, Worcester, MA, 01610, United States of America
| | - Renata Ndahayo
- Department of Biology, College of the Holy Cross, Worcester, MA, 01610, United States of America
| | - Julia Paxson
- Department of Biology, College of the Holy Cross, Worcester, MA, 01610, United States of America
- * E-mail:
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Corrêa MG, Pires PR, Ribeiro FV, Pimentel SZ, Casarin RCV, Cirano FR, Tenenbaum HT, Casati MZ. Systemic treatment with resveratrol and/or curcumin reduces the progression of experimental periodontitis in rats. J Periodontal Res 2016; 52:201-209. [DOI: 10.1111/jre.12382] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/04/2016] [Indexed: 12/20/2022]
Affiliation(s)
- M. G. Corrêa
- Dental Research Division; School of Dentistry; Paulista University; São Paulo São Paulo Brazil
| | - P. R. Pires
- Dental Research Division; School of Dentistry; Paulista University; São Paulo São Paulo Brazil
| | - F. V. Ribeiro
- Dental Research Division; School of Dentistry; Paulista University; São Paulo São Paulo Brazil
| | - S. Z. Pimentel
- Dental Research Division; School of Dentistry; Paulista University; São Paulo São Paulo Brazil
| | - R. C. V. Casarin
- Dental Research Division; School of Dentistry; Paulista University; São Paulo São Paulo Brazil
| | - F. R. Cirano
- Dental Research Division; School of Dentistry; Paulista University; São Paulo São Paulo Brazil
| | - H. T. Tenenbaum
- Department of Periodontology; Faculty of Dentistry; University of Toronto; Toronto ON Canada
- Laboratory Medicine and Pathobiology; Faculty of Medicine; University of Toronto; Toronto ON Canada
- Department of Periodontics; School of Dental Medicine; Tel Aviv University; Tel Aviv Israel
| | - M. Z. Casati
- Dental Research Division; School of Dentistry; Paulista University; São Paulo São Paulo Brazil
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28
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Ma L, Fu R, Duan Z, Lu J, Gao J, Tian L, Lv Z, Chen Z, Han J, Jia L, Wang L. Sirt1 is essential for resveratrol enhancement of hypoxia-induced autophagy in the type 2 diabetic nephropathy rat. Pathol Res Pract 2016; 212:310-8. [DOI: 10.1016/j.prp.2016.02.001] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2015] [Revised: 01/18/2016] [Accepted: 02/01/2016] [Indexed: 01/08/2023]
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29
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Are epigenetic drugs for diabetes and obesity at our door step? Drug Discov Today 2016; 21:499-509. [DOI: 10.1016/j.drudis.2015.12.001] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Revised: 11/18/2015] [Accepted: 12/02/2015] [Indexed: 01/04/2023]
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Oyenihi OR, Oyenihi AB, Adeyanju AA, Oguntibeju OO. Antidiabetic Effects of Resveratrol: The Way Forward in Its Clinical Utility. J Diabetes Res 2016; 2016:9737483. [PMID: 28050570 PMCID: PMC5165160 DOI: 10.1155/2016/9737483] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 08/15/2016] [Accepted: 10/26/2016] [Indexed: 12/18/2022] Open
Abstract
Despite recent advances in the understanding and management of diabetes mellitus, the prevalence of the disease is increasing unabatedly with resulting disabling and life-reducing consequences to the global human population. The limitations and side effects associated with current antidiabetic therapies have necessitated the search for novel therapeutic agents. Due to the multipathogenicity of diabetes mellitus, plant-derived compounds with proven multiple pharmacological actions have been postulated to "hold the key" in the search for an affordable, efficacious, and safer therapeutic agent in the treatment of the disease and associated complications. Resveratrol, a phytoalexin present in few plant species, has demonstrated beneficial antidiabetic effects in animals and humans through diverse mechanisms and multiple molecular targets. However, despite the enthusiasm and widespread successes achieved with the use of resveratrol in animal models of diabetes mellitus, there are extremely limited clinical data to confirm the antidiabetic qualities of resveratrol. This review presents an update on the mechanisms of action and protection of resveratrol in diabetes mellitus, highlights challenges in its clinical utility, and suggests the way forward in translating the promising preclinical data to a possible antidiabetic drug in the near future.
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Affiliation(s)
- Omolola R. Oyenihi
- Department of Biochemistry, Bowen University, Iwo, Nigeria
- *Omolola R. Oyenihi:
| | - Ayodeji B. Oyenihi
- Discipline of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, Westville Campus, Private Bag X54001, University Road, Durban 4000, South Africa
| | | | - Oluwafemi O. Oguntibeju
- Nutrition and Chronic Disease Research Unit, Oxidative Stress Research Centre, Department of Biomedical Sciences, Faculty of Health and Wellness Sciences, Cape Peninsula University of Technology, Bellville, South Africa
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TSG (2,3,5,4'-Tetrahydroxystilbene-2-O- β -D-glucoside) from the Chinese Herb Polygonum multiflorum Increases Life Span and Stress Resistance of Caenorhabditis elegans. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:124357. [PMID: 26075030 PMCID: PMC4436517 DOI: 10.1155/2015/124357] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2014] [Accepted: 10/23/2014] [Indexed: 01/29/2023]
Abstract
2,3,5,4'-Tetrahydroxystilbene-2-O-β-D-glucoside (TSG) was isolated from Polygonum multiflorum, a plant which is traditionally used as an anti-ageing drug. We have analysed ageing-related effects of TSG in the model organism C. elegans in comparison to resveratrol. TSG exerted a high antioxidative capacity both in a cell-free assay and in the nematode. The antioxidative capacity was even higher compared to resveratrol. Presumably due to its antioxidative effects, treatment with TSG decreased the juglone-mediated induction of the antioxidative enzyme SOD-3; the induction of the GST-4 by juglone was diminished slightly. TSG increased the resistance of C. elegans against lethal thermal stress more prominently than resveratrol (50 μM TSG increased mean survival by 22.2%). The level of the ageing pigment lipofuscin was decreased after incubation with the compound. TSG prolongs the mean, median, and maximum adult life span of C. elegans by 23.5%, 29.4%, and 7.2%, respectively, comparable to the effects of resveratrol. TSG-mediated extension of life span was not abolished in a DAF-16 loss-of-function mutant strain showing that this ageing-related transcription factor is not involved in the effects of TSG. Our data show that TSG possesses a potent antioxidative capacity, enhances the stress resistance, and increases the life span of the nematode C. elegans.
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Moridi H, Karimi J, Sheikh N, Goodarzi MT, Saidijam M, Yadegarazari R, Khazaei M, Khodadadi I, Tavilani H, Piri H, Asadi S, Zarei S, Rezaei A. Resveratrol-Dependent Down-regulation of Receptor for Advanced Glycation End-products and Oxidative Stress in Kidney of Rats With Diabetes. Int J Endocrinol Metab 2015; 13:e23542. [PMID: 25892997 PMCID: PMC4394675 DOI: 10.5812/ijem.23542] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Revised: 10/30/2014] [Accepted: 01/13/2015] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Millions of people in the world have diabetes mellitus and its prevalence is growing. Oxidative stress, advanced glycation end-products (AGEs) and receptor for advanced glycation end-products (RAGE) play key role in the pathogenesis of diabetes. New and safe strategies of remedy are needed for this disease. OBJECTIVES We hypothesized that resveratrol may exert a renal protective effect on diabetic rats. MATERIALS AND METHODS Male rats with diabetes were treated with or without resveratrol as 1, 5, 10 mg/kg of body weight for 30 days. The total AGEs and malondialdehyde levels in kidney tissues were determined by spectrofluorimetric method and the insulin level was assayed using ELISA. The total antioxidant capacity contents in kidney and the glucose in plasma were measured by a colorimetric assay. The expression of RAGE was assayed in kidneys of all animals using quantitative PCR. RESULTS In resveratrol-treated rats with diabetes, malondialdehyde levels, plasma glucose and expression of RAGE were significantly reduced compared with the untreated group. Moreover, the total antioxidant and insulin levels significantly increased in treated rats. There was no significant difference in the AGEs contents among all the groups. CONCLUSIONS These results revealed that resveratrol has beneficial effects on kidney by extenuating the oxidative stress and down-regulation of RAGE expression.
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Affiliation(s)
- Heresh Moridi
- Department of Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, IR Iran
| | - Jamshid Karimi
- Department of Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, IR Iran
- Corresponding author: Jamshid Karimi, Department of Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, IR Iran. Tel: +98-8138276293, Fax: +98-8138380208, E-mail:
| | - Nasrin Sheikh
- Department of Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, IR Iran
| | - Mohammad Taghi Goodarzi
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, IR Iran
| | - Massoud Saidijam
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, IR Iran
| | - Reza Yadegarazari
- Department of Molecular Medicine and Genetics, School of Medicine, Hamadan University of Medical Sciences, Hamadan, IR Iran
| | - Mohammad Khazaei
- Department of Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, IR Iran
| | - Iraj Khodadadi
- Department of Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, IR Iran
| | - Heidar Tavilani
- Department of Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, IR Iran
| | - Hossein Piri
- Department of Biochemistry and Genetics, School of Medicine, Qazvin University of Medical Sciences, Qazvin, IR Iran
| | - Soheila Asadi
- Department of Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, IR Iran
| | - Sadegh Zarei
- Department of Biochemistry, School of Medicine, Yazd University of Medical Sciences, Yazd, IR Iran
| | - Azam Rezaei
- Department of Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, IR Iran
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Park EJ, Pezzuto JM. The pharmacology of resveratrol in animals and humans. Biochim Biophys Acta Mol Basis Dis 2015; 1852:1071-113. [PMID: 25652123 DOI: 10.1016/j.bbadis.2015.01.014] [Citation(s) in RCA: 192] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2014] [Revised: 01/01/2015] [Accepted: 01/21/2015] [Indexed: 12/12/2022]
Abstract
In addition to thousands of research papers related to resveratrol (RSV), approximately 300 review articles have been published. Earlier research tended to focus on pharmacological activities of RSV related to cardiovascular systems, inflammation, and carcinogenesis/cancer development. More recently, the horizon has been broadened by exploring the potential effect of RSV on the aging process, diabetes, neurological dysfunction, etc. Herein, we primarily focus on the in vivo pharmacological effects of RSV reported over the past 5 years (2009-2014). In addition, recent clinical intervention studies performed with resveratrol are summarized. Some discrepancies exist between in vivo studies with animals and clinical studies, or between clinical studies, which are likely due to disparate doses of RSV, experimental settings, and subject variation. Nevertheless, many positive indications have been reported with mammals, so it is reasonable to advocate for the conduct of more definitive clinical studies. Since the safety profile is pristine, an added advantage is the use of RSV as a dietary supplement. This article is part of a Special Issue entitled: Resveratrol: Challenges in translating pre-clinical findings to improved patient outcomes.
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Affiliation(s)
- Eun-Jung Park
- The Daniel K. Inouye College of Pharmacy, University of Hawai'i at Hilo, Hilo, HI 96720, USA
| | - John M Pezzuto
- The Daniel K. Inouye College of Pharmacy, University of Hawai'i at Hilo, Hilo, HI 96720, USA.
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Szkudelski T, Szkudelska K. Resveratrol and diabetes: from animal to human studies. Biochim Biophys Acta Mol Basis Dis 2014; 1852:1145-54. [PMID: 25445538 DOI: 10.1016/j.bbadis.2014.10.013] [Citation(s) in RCA: 226] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2014] [Revised: 10/10/2014] [Accepted: 10/20/2014] [Indexed: 02/07/2023]
Abstract
Diabetes mellitus is a serious disease affecting about 5% of people worldwide. Diabetes is characterized by hyperglycemia and impairment in insulin secretion and/or action. Moreover, diabetes is associated with metabolic abnormalities and serious complications. Resveratrol is a natural, biologically active polyphenol present in different plant species and known to have numerous health-promoting effects in both animals and humans. Anti-diabetic action of resveratrol has been extensively studied in animal models and in diabetic humans. In animals with experimental diabetes, resveratrol has been demonstrated to induce beneficial effects that ameliorate diabetes. Resveratrol, among others, improves glucose homeostasis, decreases insulin resistance, protects pancreatic β-cells, improves insulin secretion and ameliorates metabolic disorders. Effects induced by resveratrol are strongly related to the capability of this compound to increase expression/activity of AMPK and SIRT1 in various tissues of diabetic subjects. Moreover, anti-oxidant and anti-inflammatory effects of resveratrol were shown to be also involved in its action in diabetic animals. Preliminary clinical trials show that resveratrol is also effective in type 2 diabetic patients. Resveratrol may, among others, improve glycemic control and decrease insulin resistance. These results show that resveratrol holds great potential to treat diabetes and would be useful to support conventional therapy. This article is part of a Special Issue entitled: Resveratrol: Challenges in translating pre-clincial findigns to improved patient outcomes.
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Affiliation(s)
- Tomasz Szkudelski
- Department of Animal Physiology and Biochemistry, Poznan University of Life Sciences, Wolynska 35, 60-637 Poznan, Poland.
| | - Katarzyna Szkudelska
- Department of Animal Physiology and Biochemistry, Poznan University of Life Sciences, Wolynska 35, 60-637 Poznan, Poland
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Resveratrol Ameliorates Diabetes-induced Renal Damage through Regulating the Expression of TGF-β1, Collagen IV and Th17/Treg-related Cytokines in Rats. W INDIAN MED J 2014; 63:20-5. [PMID: 25303188 DOI: 10.7727/wimj.2014.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Accepted: 02/12/2014] [Indexed: 12/16/2022]
Abstract
OBJECTIVES This study aimed at detecting the protective effects of resveratrol on diabetes-induced renal damage and on the expression of transforming growth factor-beta 1 (TGF-β1), collagen IV and Th17/Tregrelated cytokines in streptozotocin-induced diabetic rats. METHODS Twenty diabetic rats were further randomly divided into diabetic model group (DM group) and resveratrol group with 10 animals in each group. Another 1- non-diabetic rats served as control. The diabetic rats in the resveratrol group were administered resveratrol for eight consecutive weeks (via gavage, 50 mg/kg daily, dissolved in saline). Rats in the control group and DM group received the same volume of saline only (via gavage). Renal function was measured. Histopathology changes of the kidney tissue were observed using haematoxylin and eosin staining. Levels of TGF-β1 and collagen IV in kidney homogenate were measured with enzyme-linked immunosorbent assay (ELISA). The level of Th17-related cytokines (IL-17A, IL-25) and Treg-related cytokines (IL-35, IL-10) in serum and in the supernatant of the kidney homogenate were determined using ELISA. RESULTS Diabetic rats had damaged renal function, higher levels of TGF-β1, collagen IV, IL-17A and IL-25, as well as lower levels of IL-35 and IL-10, when compared to the control rats. Compared to the diabetic rats without resveratrol treatment, application of resveratrol to the diabetic rats ameliorated the renal function, inhibited the expression of TGF-β1, collagen IV, IL-17A and IL-25, and increased the expression IL-35 and IL-10. CONCLUSION Resveratrol might ameliorate diabetes-induced renal damage through mediating the balance of Th17/Treg-related cytokines and inhibiting the expression of TGF-β1 and collagen IV.
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Tan SM, de Haan JB. Combating oxidative stress in diabetic complications with Nrf2 activators: how much is too much? Redox Rep 2014; 19:107-17. [PMID: 24559141 DOI: 10.1179/1351000214y.0000000087] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Diabetes is increasing at an alarming rate and, despite anti-hypertensive and insulin therapies, diabetic patients are still at risk of developing complications such as chronic kidney disease, cardiovascular disease, and retinopathy. There is therefore an urgent need for more effective therapies to prevent the development and progression of diabetic complications. Oxidative stress is a major player in the aetiology of diabetic complications. However, results from clinical trials thus far using general antioxidants have been disappointing. Mechanism-based antioxidants have gained considerable attention due to their more targeted approach at reducing oxidative stress and associated complications in diabetes. The transcription factor, NFE2-related factor 2 (Nrf2), is a master regulator of redox homeostasis and the cellular detoxification response. Instead of relying on a single antioxidant, activation of Nrf2 results in the concerted upregulation of several antioxidant enzymes and cytoprotective genes, making it an attractive therapeutic target for diabetic complications. Several Nrf2 activators have been discovered and have proven effective at activating Nrf2 signalling through different mechanisms in both in vitro and in vivo models of diabetes. This review will address some of the most promising and well-known Nrf2 activators and their roles in preventing the development and progression of diabetic complications. Challenges facing the advancement of this drug class into the clinic will be discussed, as will be the future of Nrf2 activation as a therapeutic strategy in preventing the development of diabetic complications.
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Abstract
Resveratrol is a stilbene compound, and a phytoalexin, synthesized by plants in response to stressful stimuli, usually caused by infection. It is abundantly present in red wine, ports and sherries, red grapes, blueberries, peanuts, itadori tea, as well as hops, pistachios, and in grape and cranberry juices. The anti-hyperglycemic effects of resveratrol seem to be the result of an increased action of the glucose transporter in the cytoplasmic membrane. Studies on rats with streptozotocin-induced diabetes have demonstrated that the expression of the insulin-dependent glucose transporter, GLUT4, is increased after resveratrol ingestion. Also, resveratrol enhances adiponectin levels, which could be one of the potential mechanisms by which it improves insulin sensitivity. Another important observation is that resveratrol induces the secretion of the gut incretin hormone, glucagon-like peptide-1. Resveratrol is also reported to activate Sir2 (silent information regulatory 2), a SIRT1 homolog, thus mimicking the benefits of calorie restriction. It produces a wide variety of effects in mammalian cells, including activation of AMP-activated protein kinase, which is involved in some of the same metabolic pathways as SIRT1, which may influence other mechanisms via the involvement of nuclear factor kappa B (NF-κB). In the near future, resveratrol-based therapies with either resveratrol or its analogs that have better bioavailability could be useful in the treatment of diabetes and its complications, either alone or in combination with other anti-diabetic drugs.
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Affiliation(s)
- Natalia G Vallianou
- First Department of Internal Medicine, Evangelismos General Hospital, 10676 Athens, Greece
| | | | - Christos Kazazis
- Honorary Lecturer, School of Medicine, University of Leicester, University Rd, Leicester, LE1 9HN, UK
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Hubbard BP, Sinclair DA. Small molecule SIRT1 activators for the treatment of aging and age-related diseases. Trends Pharmacol Sci 2014; 35:146-54. [PMID: 24439680 DOI: 10.1016/j.tips.2013.12.004] [Citation(s) in RCA: 404] [Impact Index Per Article: 40.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2013] [Revised: 12/09/2013] [Accepted: 12/10/2013] [Indexed: 01/28/2023]
Abstract
Recent studies in mice have identified single molecules that can delay multiple diseases of aging and extend lifespan. In theory, such molecules could prevent dozens of diseases simultaneously, potentially extending healthy years of life. In this review, we discuss recent advances, controversies, opportunities, and challenges surrounding the development of SIRT1 activators, molecules with the potential to delay aging and age-related diseases. Sirtuins comprise a family of NAD⁺-dependent deacylases that are central to the body's response to diet and exercise. New studies indicate that both natural and synthetic sirtuin activating compounds (STACs) work via a common allosteric mechanism to stimulate sirtuin activity, thereby conferring broad health benefits in rodents, primates, and possibly humans. The fact that two-thirds of people in the USA who consume multiple dietary supplements consume resveratrol, a SIRT1 activator, underscores the importance of understanding the biochemical mechanism, physiological effects, and safety of STACs.
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Affiliation(s)
- Basil P Hubbard
- Department of Genetics, Harvard Medical School, Boston, MA 02115, USA
| | - David A Sinclair
- Department of Genetics, Harvard Medical School, Boston, MA 02115, USA; Department of Pharmacology, School of Medical Sciences, The University of New South Wales, Sydney, NSW 2052, Australia.
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Xu F, Wang Y, Cui W, Yuan H, Sun J, Wu M, Guo Q, Kong L, Wu H, Miao L. Resveratrol Prevention of Diabetic Nephropathy Is Associated with the Suppression of Renal Inflammation and Mesangial Cell Proliferation: Possible Roles of Akt/NF-κB Pathway. Int J Endocrinol 2014; 2014:289327. [PMID: 24672545 PMCID: PMC3941586 DOI: 10.1155/2014/289327] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2013] [Revised: 12/15/2013] [Accepted: 12/19/2013] [Indexed: 11/23/2022] Open
Abstract
The present study was to investigate the protection of resveratrol (RSV) in diabetes associated with kidney inflammation and cell proliferation. Rat mesangial cell and streptozotocin-induced type 1 diabetes mouse model were used. In vitro, RSV attenuated high glucose-induced plasminogen activator inhibitor (PAI-1) expression and mesangial cell proliferation, as well as Akt and nuclear factor-kappa B (NF- κ B) activation. The similar results were recaptured in the experiment with Akt inhibitors. In vivo, mice were divided into three groups: control group, diabetes mellitus (DM) group, and RSV-treated DM group. Compared with control group, the kidney weight to body weight ratio and albumin to creatinine ratio were increased in DM group, but not in RSV-treated DM group. Furthermore, the increased expression of PAI-1 and intercellular adhesion molecule-1 in diabetic renal cortex were also reduced by RSV administration. Besides, the kidney p-Akt/Akt ratio and NF- κ B were significantly increased in DM group; however, these changes were reversed in RSV-treated DM group. Additionally, immunohistochemistry results indicated that RSV treatment reduced the density of proliferating cell nuclear antigen-positive cells significantly in glomeruli of diabetic mice. These results suggest that RSV prevents diabetes-induced renal inflammation and mesangial cell proliferation possibly through Akt/NF- κ B pathway inhibition.
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Affiliation(s)
- Feng Xu
- Department of Nephrology, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun 130041, China
| | - Yuehui Wang
- Department of Cardiology, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun 130041, China
| | - Wenpeng Cui
- Department of Nephrology, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun 130041, China
| | - Hang Yuan
- Department of Nephrology, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun 130041, China
| | - Jing Sun
- Department of Nephrology, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun 130041, China
| | - Man Wu
- Department of Nephrology, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun 130041, China
| | - Qiaoyan Guo
- Department of Nephrology, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun 130041, China
| | - Lili Kong
- Department of Nephrology, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun 130041, China
| | - Hao Wu
- Department of Nephrology, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun 130041, China
| | - Lining Miao
- Department of Nephrology, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun 130041, China
- *Lining Miao:
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