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Bahramzadeh A, Bolandnazar K, Meshkani R. Resveratrol as a potential protective compound against skeletal muscle insulin resistance. Heliyon 2023; 9:e21305. [PMID: 38027557 PMCID: PMC10660041 DOI: 10.1016/j.heliyon.2023.e21305] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 12/01/2023] Open
Abstract
The increasing prevalence of type 2 diabetes has become a major global problem. Insulin resistance has a central role in pathophysiology of type 2 diabetes. Skeletal muscle is responsible for the disposal of most of the glucose under conditions of insulin stimulation, and insulin resistance in skeletal muscle causes dysregulation of glucose homeostasis in the whole body. Despite the current pharmaceutical and non-pharmacological treatment strategies to combat diabetes, there is still a need for new therapeutic agents due to the limitations of the therapeutic agents. Meanwhile, plant polyphenols have attracted the attention of researchers for their use in the treatment of diabetes and have gained popularity. Resveratrol, a stilbenoid polyphenol, exists in various plant sources, and a growing body of evidence suggests its beneficial properties, including antidiabetic activities. The present review aimed to provide a summary of the role of resveratrol in insulin resistance in skeletal muscle and its related mechanisms. To achieve the objectives, by searching the PubMed, Scopus and Web of Science databases, we have summarized the results of all cell culture, animal, and human studies that have investigated the effects of resveratrol in different models on insulin resistance in skeletal muscle.
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Affiliation(s)
- Arash Bahramzadeh
- Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Kosar Bolandnazar
- Department of Biological Sciences and Technology, Islamic Azad University of Mashhad, Mashhad, Iran
| | - Reza Meshkani
- Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Redox Biomarkers Assessment after Oral Administration of Wine Extract and Grape Stem Extract in Rats and Mice. Molecules 2023; 28:molecules28041574. [PMID: 36838560 PMCID: PMC9965357 DOI: 10.3390/molecules28041574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 01/19/2023] [Accepted: 02/03/2023] [Indexed: 02/10/2023] Open
Abstract
Wine and by-products of the winemaking process, such as grape stems, are rich in bioactive polyphenolic compounds that might be beneficial for animal and human health. In recent years, the administration of dietary polyphenols with strong antioxidant and cytoprotective properties has constituted an emerging line of research interest toward disease prevention. However, in scientific literature, only a limited number of studies have investigated the safety and the toxicological risks of polyphenolic compounds in vivo. Based on the above, the purpose of the present study was two-fold: first, to examine the effects of oral administration of a grape stem extract, derived from the Greek red wine Mavrodaphne, on mice redox biomarkers; and second, to investigate the biological effects of oral administration of a wine extract, derived from the emblematic Greek red wine Xinomavro, on rats. Toward this purpose, body weight, growth rate, hematological, biochemical, and histopathological parameters, as well as a panel of redox biomarkers, were examined. According to our results, the administration of Mavrodaphne grape stem extract in mice induced alterations in redox homeostasis, preventing mice from the adverse effects of lipid peroxidation. Contrariwise, the administration of Xinomavro wine extract induced both beneficial and harmful outcomes on rat redox status determined by the examined tissue. Collectively, our study reports that the Mavrodaphne grape stem extract, a serious pollutant when disposed in environmental matrices, is an important source of bioactive polyphenolic compounds that could protect from oxidative damage and improve animal and human health. Finally, the Xinomavro wine extract exerts tissue-specific changes in redox balance, which are indicative of the complexity that characterizes the biological systems.
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Huang MC, White KL, Elmore SA, Guo TL, Germolec D. Immunotoxicity studies of trans-resveratrol in male B 6C 3F 1/N mice. J Immunotoxicol 2020; 17:194-201. [PMID: 33213203 PMCID: PMC7961840 DOI: 10.1080/1547691x.2020.1833113] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 09/21/2020] [Accepted: 10/02/2020] [Indexed: 10/23/2022] Open
Abstract
Resveratrol is a naturally occurring polyphenol that is being investigated to treat and prevent various diseases, both experimentally and in the clinic. Despite increased use and interest in resveratrol due to its immunomodulatory properties, there is a lack of studies evaluating potential toxicities, particularly immunotoxicity, associated with resveratrol use. A previous 2-week study found decreasing thymus weight in male B6C3F1/N mice with increasing exposure to trans-resveratrol. This study is a follow-up on those findings by evaluating immune function. Male adult B6C3F1/N mice were given trans-resveratrol (0, 156, 312, 625, 1250, 2500 mg/kg/day) via oral gavage for 28 days and functional immune tests and histopathology were evaluated. There were no treatment-related effects on body weight during the study. Humoral, cell-mediated, and innate immune function were not altered after 28 days of trans-resveratrol treatment. There were also no changes in organ weight or microscopic alterations in immune organs. Overall, under the conditions of this study, there was no evidence of immunotoxicity or improvements in immune function associated with oral exposure to trans-resveratrol in male mice. Importantly, the immunomodulatory benefits of resveratrol may require a prerequisite level of inflammatory activity and may not be observable in healthy individuals.
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Affiliation(s)
- Madelyn C Huang
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Kimber L White
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA, USA (retired)
| | - Susan A Elmore
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Tai L Guo
- Department of Veterinary Biosciences and Diagnostic Imaging, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Dori Germolec
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
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4
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Insights into pharmacological mechanisms of polydatin in targeting risk factors-mediated atherosclerosis. Life Sci 2020; 254:117756. [DOI: 10.1016/j.lfs.2020.117756] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 04/30/2020] [Accepted: 05/04/2020] [Indexed: 12/20/2022]
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The Fluid Aspect of the Mediterranean Diet in the Prevention and Management of Cardiovascular Disease and Diabetes: The Role of Polyphenol Content in Moderate Consumption of Wine and Olive Oil. Nutrients 2019; 11:nu11112833. [PMID: 31752333 PMCID: PMC6893438 DOI: 10.3390/nu11112833] [Citation(s) in RCA: 111] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/10/2019] [Accepted: 11/13/2019] [Indexed: 12/20/2022] Open
Abstract
A growing interest has emerged in the beneficial effects of plant-based diets for the prevention of cardiovascular disease, diabetes and obesity. The Mediterranean diet, one of the most widely evaluated dietary patterns in scientific literature, includes in its nutrients two fluid foods: olive oil, as the main source of fats, and a low-to-moderate consumption of wine, mainly red, particularly during meals. Current mechanisms underlying the beneficial effects of the Mediterranean diet include a reduction in inflammatory and oxidative stress markers, improvement in lipid profile, insulin sensitivity and endothelial function, as well as antithrombotic properties. Most of these effects are attributable to bioactive ingredients including polyphenols, mono- and poly-unsaturated fatty acids. Polyphenols are a heterogeneous group of phytochemicals containing phenol rings. The principal classes of red wine polyphenols include flavonols (quercetin and myricetin), flavanols (catechin and epicatechin), anthocyanin and stilbenes (resveratrol). Olive oil has at least 30 phenolic compounds. Among them, the main are simple phenols (tyrosol and hydroxytyrosol), secoroids and lignans. The present narrative review focuses on phenols, part of red wine and virgin olive oil, discussing the evidence of their effects on lipids, blood pressure, atheromatous plaque and glucose metabolism.
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Pollack RM, Barzilai N, Anghel V, Kulkarni AS, Golden A, O'Broin P, Sinclair DA, Bonkowski MS, Coleville AJ, Powell D, Kim S, Moaddel R, Stein D, Zhang K, Hawkins M, Crandall JP. Resveratrol Improves Vascular Function and Mitochondrial Number but Not Glucose Metabolism in Older Adults. J Gerontol A Biol Sci Med Sci 2017; 72:1703-1709. [PMID: 28329397 DOI: 10.1093/gerona/glx041] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Accepted: 02/27/2017] [Indexed: 02/04/2023] Open
Abstract
Background Resveratrol, a plant-derived polyphenol, has been reported to improve glucose metabolism and vascular function and to extend life span in animal models, but studies in humans have been inconclusive. Methods In a randomized, double-blind crossover study, we treated older glucose-intolerant adults (n = 30) with resveratrol (2-3 g/daily) or placebo, each for 6 weeks. A standard mixed-meal test was used to assess insulin sensitivity (Matsuda index) and secretion (C-peptide deconvolution) and vascular function by reactive hyperemia peripheral arterial tonometry. Skeletal muscle samples were obtained for gene expression using RNA-Seq analysis and to assess mitochondrial morphology. Results There were no changes in glucose tolerance, insulin sensitivity, weight, blood pressure, or lipid profile following resveratrol treatment. Fasting reactive hyperemia index improved with resveratrol (2.02 ± 0.2 vs 1.76 ± 0.02, p = .002). RNA-Seq analysis yielded 140 differentially expressed transcripts (corrected p-value ≤ .05), predominantly associated with mitochondrial genes and noncoding RNA. Ingenuity Pathway Analysis confirmed that mitochondrial dysfunction (p = 2.77 × 10-12) and oxidative phosphorylation (p = 1.41 × 10-11) were the most significantly perturbed pathways. Mitochondrial number, but not size, was increased. Conclusions Resveratrol treatment of older adults with impaired glucose regulation may have beneficial effects on vascular function, but not glucose metabolism or insulin sensitivity. Changes in gene expression suggest effects similar to those observed with caloric restriction, which has been shown to increase life and health span in animal models, although its significance for humans is uncertain. Future human studies should address the appropriate dose range and low bioavailability of resveratrol.
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Affiliation(s)
| | - Nir Barzilai
- Albert Einstein College of Medicine, Bronx, New York
| | | | | | - Aaron Golden
- Albert Einstein College of Medicine, Bronx, New York
| | - Pilib O'Broin
- National University of Ireland Galway, Galway, Ireland
| | | | | | | | | | - Sharon Kim
- Albert Einstein College of Medicine, Bronx, New York
| | - Ruin Moaddel
- National Institute on Aging, Baltimore, Maryland
| | - Daniel Stein
- Albert Einstein College of Medicine, Bronx, New York
| | - Kehao Zhang
- Albert Einstein College of Medicine, Bronx, New York
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Sun S, Zhang M, Yang Q, Shen Z, Chen J, Yu B, Wang H, Qu J, Pang D, Ren W, Ouyang H, Tang X. Resveratrol suppresses lipoprotein-associated phospholipase A2
expression by reducing oxidative stress in macrophages and animal models. Mol Nutr Food Res 2017; 61. [DOI: 10.1002/mnfr.201601112] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Revised: 06/04/2017] [Accepted: 06/06/2017] [Indexed: 12/12/2022]
Affiliation(s)
- Shengnan Sun
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Mingjun Zhang
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Qiangbing Yang
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Ziying Shen
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Jiahuan Chen
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Biao Yu
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - He Wang
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Jiali Qu
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Daxin Pang
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Wenzhi Ren
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Hongsheng Ouyang
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Xiaochun Tang
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
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Abbasi Oshaghi E, Goodarzi MT, Higgins V, Adeli K. Role of resveratrol in the management of insulin resistance and related conditions: Mechanism of action. Crit Rev Clin Lab Sci 2017; 54:267-293. [DOI: 10.1080/10408363.2017.1343274] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Ebrahim Abbasi Oshaghi
- Department of Clinical Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mohammad Taghi Goodarzi
- Department of Clinical Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Victoria Higgins
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - Khosrow Adeli
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
- Department of Biochemistry, University of Toronto, Toronto, ON, Canada
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Status Epilepticus due to Intraperitoneal Injection of Vehicle Containing Propylene Glycol in Sprague Dawley Rats. Vet Med Int 2017; 2017:1757059. [PMID: 28785508 PMCID: PMC5529644 DOI: 10.1155/2017/1757059] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 06/11/2017] [Indexed: 11/17/2022] Open
Abstract
Published reports of status epilepticus due to intraperitoneal injection containing propylene glycol in rats are sparse. In fact, there are no reports specifying a maximum safe dose of propylene glycol through intraperitoneal administration. We report here a case of unexpected seizures in Sprague Dawley rats after receiving an intraperitoneal injection containing propylene glycol. Nine-week-old, 225–250 gram male rats were reported to experience tremor progressing to seizures within minutes after given injections of resveratrol (30 mg/kg) dissolved in a 40 : 60 propylene glycol/corn oil vehicle solution by direct intraperitoneal (IP) slow bolus injection or via a preplaced intraperitoneal catheter. The World Health Organization suggests a maximum dose of 25 mg/kg/day of propylene glycol taken orally and no more than 25 mg/dL in blood serum, whereas the animals used in our study got a calculated maximum 0.52 g/kg (25 times lower dose). Blood tests from the seizing rat support a diagnosis of hemolysis and lactic acidosis which may have led to the seizures, all of which appeared to be a consequence of the propylene glycol administration. These findings are consistent with oral and intravenous administration of propylene glycol toxicity as previously reported in other species, including humans. To our knowledge, this report represents the first published case of status epilepticus due to an IP injection containing propylene glycol.
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10
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Shah A, Reyes LM, Morton JS, Fung D, Schneider J, Davidge ST. Effect of resveratrol on metabolic and cardiovascular function in male and female adult offspring exposed to prenatal hypoxia and a high-fat diet. J Physiol 2015; 594:1465-82. [PMID: 26467260 DOI: 10.1113/jp271133] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Accepted: 10/06/2015] [Indexed: 12/15/2022] Open
Abstract
Prenatal hypoxia, a common outcome of pregnancy complications, predisposes offspring to the development of metabolic and cardiovascular disorders in later life. We have previously observed that resveratrol improved cardiovascular and metabolic health in adult male rat offspring exposed to prenatal hypoxia and a postnatal high-fat (HF) diet; however, the effects of resveratrol in female rat offspring are not known. Our aim was to identify the mechanism(s) by which resveratrol may prevent metabolic and cardiac dysfunction in both male and female rat offspring exposed to prenatal hypoxia and a postnatal HF diet. Offspring that experienced normoxia or hypoxia in utero were fed a HF diet or a HF diet supplemented with resveratrol for 9 weeks following weaning. Body composition, metabolic function, in vivo cardiac function and ex vivo cardiac susceptibility to ischaemia-reperfusion (I/R) injury were assessed at 12 weeks of age. Prenatal hypoxia impaired metabolic function in male, but not female, rat offspring fed a HF diet and this was improved by resveratrol supplementation. Prenatal hypoxia also led to reduced recovery from cardiac I/R injury in male, and to a lesser extent in female, rat offspring fed a HF diet. Indices of cardiac oxidative stress after I/R were enhanced in both male and female rat offspring exposed to prenatal hypoxia. Resveratrol improved cardiac recovery from I/R injury and attenuated superoxide levels in both male and female rat offspring. In conclusion, prenatal hypoxia impaired metabolic and cardiac function in a sex-specific manner. Resveratrol supplementation may improve metabolic and cardiovascular health in adult male and female rat offspring exposed to prenatal hypoxia.
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Affiliation(s)
- Amin Shah
- Department of Obstetrics and Gynecology, University of Alberta, Edmonton, Alberta, Canada.,Women and Children's Health Research Institute, University of Alberta, Edmonton, Alberta, Canada
| | - Laura M Reyes
- Department of Obstetrics and Gynecology, University of Alberta, Edmonton, Alberta, Canada.,Women and Children's Health Research Institute, University of Alberta, Edmonton, Alberta, Canada.,Department of Physiology, University of Alberta, Edmonton, Alberta, Canada
| | - Jude S Morton
- Department of Obstetrics and Gynecology, University of Alberta, Edmonton, Alberta, Canada.,Women and Children's Health Research Institute, University of Alberta, Edmonton, Alberta, Canada
| | - David Fung
- Department of Obstetrics and Gynecology, University of Alberta, Edmonton, Alberta, Canada
| | - Jillian Schneider
- Department of Obstetrics and Gynecology, University of Alberta, Edmonton, Alberta, Canada
| | - Sandra T Davidge
- Department of Obstetrics and Gynecology, University of Alberta, Edmonton, Alberta, Canada.,Women and Children's Health Research Institute, University of Alberta, Edmonton, Alberta, Canada.,Department of Physiology, University of Alberta, Edmonton, Alberta, Canada
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Preclinical and clinical evidence for the role of resveratrol in the treatment of cardiovascular diseases. Biochim Biophys Acta Mol Basis Dis 2015; 1852:1155-77. [DOI: 10.1016/j.bbadis.2014.10.016] [Citation(s) in RCA: 211] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Revised: 10/24/2014] [Accepted: 10/27/2014] [Indexed: 12/12/2022]
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Olesen J, Gliemann L, Biensø R, Schmidt J, Hellsten Y, Pilegaard H. Exercise training, but not resveratrol, improves metabolic and inflammatory status in skeletal muscle of aged men. J Physiol 2014; 592:1873-86. [PMID: 24514907 DOI: 10.1113/jphysiol.2013.270256] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The aim was to investigate the metabolic and anti-inflammatory effects of resveratrol alone and when combined with exercise training in skeletal muscle of aged human subjects. Healthy, physically inactive men (60-72 years old) were randomized to either 8 weeks of daily intake of 250 mg resveratrol or placebo or to 8 weeks of high-intensity exercise training with 250 mg resveratrol or placebo. Before and after the interventions, resting blood samples and muscle biopsies were obtained and a one-legged knee-extensor endurance exercise test was performed. Exercise training increased skeletal muscle peroxisome proliferator-activated receptor-γ co-activator-1α mRNA ~1.5-fold, cytochrome c protein ~1.3-fold, cytochrome c oxidase I protein ~1.5-fold, citrate synthase activity ~1.3-fold, 3-hydroxyacyl-CoA dehydrogenase activity ~1.3-fold, inhibitor of κB-α and inhibitor of κB-β protein content ~1.3-fold and time to exhaustion in the one-legged knee-extensor endurance exercise test by ∼1.2-fold, with no significant additive or adverse effects of resveratrol on these parameters. Despite an overall ~25% reduction in total acetylation level in skeletal muscle with resveratrol, no exclusive resveratrol-mediated metabolic effects were observed on the investigated parameters. Notably, however, resveratrol blunted an exercise training-induced decrease (~20%) in protein carbonylation and decrease (~40%) in tumour necrosis factor α mRNA content in skeletal muscle. In conclusion, resveratrol did not elicit metabolic improvements in healthy aged subjects; in fact, resveratrol even impaired the observed exercise training-induced improvements in markers of oxidative stress and inflammation in skeletal muscle. Collectively, this highlights the metabolic efficacy of exercise training in aged subjects and does not support the contention that resveratrol is a potential exercise mimetic in healthy aged subjects.
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Affiliation(s)
- Jesper Olesen
- August Krogh Building, Universitetsparken 13, 4th floor, 2100 KBH Ø, Denmark.
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Pollack RM, Crandall JP. Resveratrol: therapeutic potential for improving cardiometabolic health. Am J Hypertens 2013; 26:1260-8. [PMID: 24025725 DOI: 10.1093/ajh/hpt165] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Resveratrol, a natural polyphenol, has gained attention in recent years because of its connection with the health benefits of red wine and its anticancer activity in vitro. Studies in animal models have demonstrated beneficial effects on glucose metabolism, vascular function and anti-inflammatory and antioxidant properties. Human studies designed to understand the role of resveratrol in the prevention and treatment of age-related conditions such as diabetes, heart disease, and cancer have recently been undertaken. METHODS We searched PubMed for original articles that reported studies of resveratrol in humans, using search terms, including resveratrol, human studies, glucose metabolism, vascular function, and inflammation. We also searched the reference lists of identified articles for additional papers and sought expert opinion on relevant studies. RESULTS Resveratrol treatment has shown beneficial effects on glucose and lipid metabolism in some, but not all studies. Study population, resveratrol source, and dose have varied widely, potentially explaining inconsistent findings. Improvements were noted in endothelial function, systolic blood pressure, and markers of oxidative stress and inflammation in several studies. CONCLUSIONS Despite the strong preclinical evidence of positive cardiometabolic effects, studies to date have not confirmed resveratrol's benefit in humans. Study variability and methodological issues limit interpretation of available results. Additional research, focusing on subjects with defined metabolic defects and using a range of doses, is needed to advance the field.
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Affiliation(s)
- Rena M Pollack
- Division of Endocrinology, Diabetes Research Center, Institute for Aging Research, Albert Einstein College of Medicine, Bronx, New York
| | - Jill P Crandall
- Division of Endocrinology, Diabetes Research Center, Institute for Aging Research, Albert Einstein College of Medicine, Bronx, New York.
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Antioxidant effects of resveratrol in cardiovascular, cerebral and metabolic diseases. Food Chem Toxicol 2013; 61:215-26. [PMID: 23872128 DOI: 10.1016/j.fct.2013.07.021] [Citation(s) in RCA: 143] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Revised: 06/11/2013] [Accepted: 07/08/2013] [Indexed: 12/17/2022]
Abstract
Resveratrol-a natural polyphenolic compound-was first discovered in the 1940s. Although initially used for cancer therapy, it has shown beneficial effects against most cardiovascular and cerebrovascular diseases. A large part of these effects are related to its antioxidant properties. Here we review: (a) the sources, the metabolism, and the bioavailability of resveratrol; (b) the ability of resveratrol to modulate redox signalling and to interact with multiple molecular targets of diverse intracellular pathways; (c) its protective effects against oxidative damage in cardio-cerebro-vascular districts and metabolic disorders such as diabetes; and (d) the evidence for its efficacy and toxicity in humans. The overall aim of this review is to discuss the frontiers in the field of resveratrol's mechanisms, bioactivity, biology, and health-related use.
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Affiliation(s)
- Jill P Crandall
- Diabetes Research and Training Center and Institute for Aging Research, Albert Einstein College of Medicine, Bronx, New York, USA.
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16
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Yoshino J, Conte C, Fontana L, Mittendorfer B, Imai SI, Schechtman KB, Gu C, Kunz I, Rossi Fanelli F, Patterson BW, Klein S. Resveratrol supplementation does not improve metabolic function in nonobese women with normal glucose tolerance. Cell Metab 2012; 16:658-64. [PMID: 23102619 PMCID: PMC3496026 DOI: 10.1016/j.cmet.2012.09.015] [Citation(s) in RCA: 292] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2012] [Revised: 09/07/2012] [Accepted: 09/27/2012] [Indexed: 12/12/2022]
Abstract
Resveratrol has been reported to improve metabolic function in metabolically abnormal rodents and humans, but it has not been studied in nonobese people with normal glucose tolerance. We conducted a randomized, double-blind, placebo-controlled trial to evaluate the metabolic effects of 12 weeks of resveratrol supplementation (75 mg/day) in nonobese, postmenopausal women with normal glucose tolerance. Although resveratrol supplementation increased plasma resveratrol concentration, it did not change body composition, resting metabolic rate, plasma lipids, or inflammatory markers. A two-stage hyperinsulinemic-euglycemic clamp procedure, in conjunction with stable isotopically labeled tracer infusions, demonstrated that resveratrol did not increase liver, skeletal muscle, or adipose tissue insulin sensitivity. Consistent with the absence of in vivo metabolic effects, resveratrol did not affect its putative molecular targets, including AMPK, SIRT1, NAMPT, and PPARGC1A, in either skeletal muscle or adipose tissue. These findings demonstrate that resveratrol supplementation does not have beneficial metabolic effects in nonobese, postmenopausal women with normal glucose tolerance.
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Affiliation(s)
- Jun Yoshino
- Center for Human Nutrition and Atkins Center of Excellence in Obesity Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
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Zamora-Ros R, Urpi-Sarda M, Lamuela-Raventós RM, Martínez-González MÁ, Salas-Salvadó J, Arós F, Fitó M, Lapetra J, Estruch R, Andres-Lacueva C. High urinary levels of resveratrol metabolites are associated with a reduction in the prevalence of cardiovascular risk factors in high-risk patients. Pharmacol Res 2012; 65:615-20. [PMID: 22465220 DOI: 10.1016/j.phrs.2012.03.009] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2012] [Revised: 03/13/2012] [Accepted: 03/14/2012] [Indexed: 10/28/2022]
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Abstract
This review emphasizes the effects of resveratrol on factors involved in the mechanism of atherosclerosis and risk factors for atherosclerosis. The effects of wine and resveratrol on atherosclerosis are also discussed. Resveratrol is a potent antioxidant and an anti-inflammatory agent. It reduces the expression of cell adhesion molecules, monocyte colony stimulating factors, matrix metalloproteinases, and growth factors; and inhibits platelet aggregation and vascular smooth muscle cell proliferation. It reduces the serum levels of total cholesterol, triglycerides (TG), and raises high-density lipoprotein cholesterol, inhibits expression of C-reactive protein and lowers the levels of advanced glycation end products and its receptor in the vascular tissue. It lowers the risk factors for plaque rupture. Epidemiological data show that moderate consumption of alcohol has an inverse association with carotid atherosclerosis while high consumption has a positive association with carotid atherosclerosis. Wine reduces the extent of atherosclerosis in animal model. The antiatherosclerotic effect of wine is mainly due to it resveratrol content. Resveratrol reduces the extent of atherosclerosis in animal model of atherosclerosis (apolipoprotein [Apo] E-deficient and Apo E(-/-)/low-density lipoprotein receptor-deficient mice and macrophage). In rabbit model of atherosclerosis, both reduction and acceleration of atherosclerosis have been reported with resveratrol. There are no data for regression and slowing of progression of atherosclerosis. Robust clinical trials for suppression of atherosclerosis are lacking. In conclusion, resveratrol has potential but experimental studies in depth and robust clinical trials are lacking for this agent to be of any value in the primary and secondary prevention of coronary and peripheral artery disease.
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Affiliation(s)
- Kailash Prasad
- Department of Physiology, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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González R, Ballester I, López-Posadas R, Suárez MD, Zarzuelo A, Martínez-Augustin O, Sánchez de Medina F. Effects of flavonoids and other polyphenols on inflammation. Crit Rev Food Sci Nutr 2011; 51:331-62. [PMID: 21432698 DOI: 10.1080/10408390903584094] [Citation(s) in RCA: 357] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Flavonoids are a family of polyphenolic compounds which are widespread in nature (vegetables) and are consumed as part of the human diet in significant amounts. There are other types of polyphenols, including, for example, tannins and resveratrol. Flavonoids and related polyphenolic compounds have significant antiinflammatory activity, among others. This short review summarizes the current knowledge on the effects of flavonoids and related polyphenolic compounds on inflammation, with a focus on structural requirements, the mechanisms involved, and pharmacokinetic considerations. Different molecular (cyclooxygenase, lipoxygenase) and cellular targets (macrophages, lymphocytes, epithelial cells, endothelium) have been identified. In addition, many flavonoids display significant antioxidant/radical scavenging properties. There is substantial structural variation in these compounds, which is bound to have an impact on their biological profile, and specifically on their effects on inflammatory conditions. However, in general terms there is substantial consistency in the effects of these compounds despite considerable structural variations. The mechanisms have been studied mainly in myeloid cells, where the predominant effect is an inhibition of NF-κB signaling and the downregulation of the expression of proinflammatory markers. At present there is a gap in knowledge of in vitro and in vivo effects, although the pharmacokinetics of flavonoids has advanced considerably in the last decade. Many flavonoids have been studied for their intestinal antiinflammatory activity which is only logical, since the gastrointestinal tract is naturally exposed to them. However, their potential therapeutic application in inflammation is not restricted to this organ and extends to other sites and conditions, including arthritis, asthma, encephalomyelitis, and atherosclerosis, among others.
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Affiliation(s)
- R González
- Department of Pharmacology, CIBERehd, School of Pharmacy, University of Granada, Granada, Spain
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20
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Al-Dissi AN, Weber LP. Resveratrol preserves cardiac function, but does not prevent endothelial dysfunction or pulmonary inflammation after environmental tobacco smoke exposure. Food Chem Toxicol 2011; 49:1584-91. [PMID: 21501646 DOI: 10.1016/j.fct.2011.04.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2011] [Revised: 04/01/2011] [Accepted: 04/05/2011] [Indexed: 12/30/2022]
Abstract
The mechanisms by which environmental tobacco smoke (ETS) causes adverse cardiovascular effects remain unclear. Resveratrol is a natural polyphenol from red wine which may be beneficial to the cardiovascular system. Therefore, the ability of daily oral resveratrol (5mg/kg) to prevent adverse effects of a 14-day ETS exposure (1 h/day) on endothelial function (flow-mediated dilation), left ventricular function (echocardiography) and blood pressure (oscillometry) was assessed in juvenile male pigs (n=4 pigs/group). After a 14-day exposure to ETS, flow-mediated dilation was impaired while plasma nitrotyrosine was increased compared to sham-exposed pigs indicating impaired endothelial function. In ETS-exposed pigs, plasma C-reactive protein levels, lung cytochrome P4501A1 activity, bronchoalveolar lavage fluid total white blood cell count and leukocyte elastase activity were all significantly increased compared to sham-exposed pigs. Resveratrol treatment failed to prevent most ETS-mediated effects examined, but did increase left ventricular end-diastolic volume and ejection fraction in the presence of ETS exposure. In summary, ETS exposure impaired endothelial function and increased oxidative stress which was associated with pulmonary and systemic inflammation, but resveratrol failed to protect against these changes. More importantly, resveratrol exerted a positive effect on left ventricular function which may help explain the French paradox.
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Affiliation(s)
- Ahmad N Al-Dissi
- Toxicology Graduate Program, University of Saskatchewan, Saskatoon, Canada SK S7N 5B3
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22
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Wong YT, Gruber J, Jenner AM, Ng MPE, Ruan R, Tay FEH. Elevation of oxidative-damage biomarkers during aging in F2 hybrid mice: protection by chronic oral intake of resveratrol. Free Radic Biol Med 2009; 46:799-809. [PMID: 19159678 DOI: 10.1016/j.freeradbiomed.2008.12.016] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2008] [Revised: 12/07/2008] [Accepted: 12/09/2008] [Indexed: 10/21/2022]
Abstract
Resveratrol (RSV), a naturally occurring phytoalexin that can be found in red wine, berries, and peanuts, has been shown to extend both mean and maximum life span in model organisms. RSV has also been reported to shift the physiology of middle-aged mice on a high-calorie diet toward that of mice on a standard diet. These beneficial effects of RSV have been suggested to resemble caloric restriction. Our study in F2 four-way cross-hybrid mice was the first to evaluate the effects of aging and long-term RSV treatment (14.09+/-3.4 mg/L in drinking water for 6 or 12 months) on biomarkers of oxidative damage to DNA, 8-hydroxy-2'-deoxyguanosine (8OHdG); lipid, 8-iso-prostaglandin(2 alpha) (8-iso-PGF(2 alpha)); and protein, protein carbonyl content (PCC). There was a significant age-dependent accumulation of oxidative damage to DNA, lipid, and protein as well as a clear increase in urine 8-iso-PGF(2 alpha) levels in the majority of mouse tissues. Rates of age-dependent increases in damage biomarkers varied between tissues. Chronic RSV treatment elevated total RSV plasma levels and reduced the observed age-dependent accumulation of (1) 8OHdG in liver and heart, (2) 8-iso-PGF(2 alpha) in heart and urine, and (3) PCC in liver and kidney. However, a 12-month RSV intake resulted in significant elevation of 8-iso-PGF(2 alpha) and PCC in kidney. Our studies demonstrate that RSV treatment consistently attenuated oxidative damage in tissues where age-related oxidative damage accumulation was prominent, but also suggested that chronic RSV treatment may induce nephrotoxicity.
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Affiliation(s)
- Yee Ting Wong
- Cancer and Ageing Research Group, Institute of Bioengineering and Nanotechnology, Singapore
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Abstract
BACKGROUND The putative role of resveratrol, a polyphenol present in grapes and other plants, in modulating dislypidemia, thus preventing cardiovascular diseases, is generally based on proliferating cell lines and in vivo studies in different pathological conditions. The aim of the present study was to investigate whether resveratrol plays a role on lipid biosynthesis in rat hepatocytes. MATERIALS AND METHODS The effect of resveratrol on total rate of fatty acid, cholesterol and complex lipid synthesis, assayed by the incorporation of [1-(14)C]acetate into these lipid fractions, was investigated in rat hepatocyte suspensions. Enzyme activities of acetyl-CoA carboxylase (ACC) and fatty acid synthase (FAS) as well as 3-hydroxy-3-methyl-glutaryl-CoA reductase (HMG-CoA-R), pace-setting steps of de novo fatty acid and cholesterol synthesis, respectively, were in situ measured in digitonin-permeabilized hepatocytes. RESULTS Resveratrol-treated hepatocytes exhibited a short-term (30 min) inhibition (IC(50) approximately 25 microm) of total fatty acid synthesis from [1-(14)C]acetate. Among neosynthesized fatty acids, palmitic acid formation was mainly reduced, thus suggesting that enzymatic step(s) of de novo fatty acid synthesis was affected by resveratrol. In digitonin-permeabilized hepatocytes, only ACC activity was noticeably reduced, while no change in FAS activity was observed. A noticeable resveratrol-induced reduction of label incorporation into triacylglycerols was also detected. Conversely, cholesterol synthesis and HMG-CoA-R activity were unaffected by resveratrol. CONCLUSION Results here reported show that in isolated hepatocytes from normal rats a resveratrol-induced short-term inhibition of fatty acid and triacylglycerol synthesis occurs. This finding may represent a potential mechanism contributing to the reported hypolipidemic effect of resveratrol.
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Affiliation(s)
- G V Gnoni
- University of Salento, Lecce, Italy.
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Long-term effects of resveratrol supplementation on suppression of atherogenic lesion formation and cholesterol synthesis in apo E-deficient mice. Biochem Biophys Res Commun 2008; 374:55-9. [DOI: 10.1016/j.bbrc.2008.06.113] [Citation(s) in RCA: 100] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2008] [Accepted: 06/24/2008] [Indexed: 11/23/2022]
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Abstract
Resveratrol, a constituent of red wine, has long been suspected to have cardioprotective effects. Interest in this compound has been renewed in recent years, first from its identification as a chemopreventive agent for skin cancer, and subsequently from reports that it activates sirtuin deacetylases and extends the lifespans of lower organisms. Despite scepticism concerning its bioavailability, a growing body of in vivo evidence indicates that resveratrol has protective effects in rodent models of stress and disease. Here, we provide a comprehensive and critical review of the in vivo data on resveratrol, and consider its potential as a therapeutic for humans.
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Affiliation(s)
- Joseph A Baur
- Paul F. Glenn Laboratories for the Biological Mechanisms of Aging, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, Massachusetts 02115, USA
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Abstract
Resveratrol (3,4',5-trihydroxy-trans-stilbene), a phytoalexin found in grape skins, peanuts, and red wine, has been reported to have a wide range of biological and pharmacological properties. It has been speculated that at low doses (such as consumed in the common diet) resveratrol may have cardioprotective activity. In this article we describe recent in vitro and in vivo studies in animal models. The results of these studies suggest that resveratrol modulates vascular cell function, inhibits LDL oxidation, suppresses platelet aggregation and reduces myocardial damage during ischemia-reperfusion. Although the reported biological data indicate that resveratrol is a highly promising cardiovascular protective agent, more studies are needed to establish its bioavailability and in vivo cardioprotective effects, particularly in humans.
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Affiliation(s)
- Silvia Bradamante
- CNR-ISTM, Istituto di Scienze e Tecnologie Molecolari, Via Golgi 19, 20133 Milano, Italy.
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Tseng SH, Lin SM, Chen JC, Su YH, Huang HY, Chen CK, Lin PY, Chen Y. Resveratrol Suppresses the Angiogenesis and Tumor Growth of Gliomas in Rats. Clin Cancer Res 2004; 10:2190-202. [PMID: 15041740 DOI: 10.1158/1078-0432.ccr-03-0105] [Citation(s) in RCA: 140] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE We wanted to investigate the antitumor effects and effect on angiogenesis of resveratrol in rat RT-2 gliomas. EXPERIMENTAL DESIGN RT-2 glioma cells were treated with resveratrol, and then cytotoxicity was assayed, apoptosis was measured by flow-activated cell sorter flow cytometry, and expression of vascular endothelial growth factor was measured by reverse transcription-PCR. Tumor size, animal survival time, and survival rate were followed in resveratrol-treated rats with s.c. or intracerebral gliomas. Furthermore, in vitro proliferation was assayed to explore the effect of resveratrol on the proliferation of ECV304 human umbilical vein endothelial cells. Expression of CD31 in resveratrol-treated gliomas was followed immunohistochemically to study the effect of resveratrol on the glioma-induced angiogenesis. RESULTS Resveratrol was demonstrated to exert cytotoxic effects and induce glioma cell apoptosis in a concentration- and time-dependent manner (P < 0.05). Resveratrol (40 mg/kg/day) exerted significant antitumor effects on s.c. tumors, including slower tumor growth rate, longer animal survival time, and higher animal survival rate (P < 0.05). In contrast, resveratrol affected intracerebral tumors at only an increased dose (100 mg/kg/day), prolonging animal survival (P < 0.05) without affecting survival rate. The expression of vascular endothelial growth factor in the glioma cells and the proliferation of ECV304 cells were inhibited by resveratrol in a concentration-dependent manner. Immunohistochemical analyses showed that the s.c. gliomas from resveratrol-treated rats had fewer microvessel densities than did control rats (P < 0.01). CONCLUSIONS Resveratrol caused significant glioma cell cytotoxicity and apoptosis, exerted antitumor effects on the s.c. and intracerebral gliomas, and inhibited angiogenesis in s.c. gliomas. Thus, resveratrol might be considered a possible treatment strategy for gliomas.
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Affiliation(s)
- Sheng-Hong Tseng
- Department of Surgery, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
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Király-Véghely Z, Kátay G, Tyihák E, Merillon JM. Separation of stilbene isomers from red wine by overpressured-layer chromatography. JPC-J PLANAR CHROMAT 2004. [DOI: 10.1556/jpc.17.2004.1.1] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Soleas GJ, Diamandis EP, Goldberg DM. The world of resveratrol. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2002; 492:159-82. [PMID: 11480664 DOI: 10.1007/978-1-4615-1283-7_13] [Citation(s) in RCA: 74] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- G J Soleas
- Quality Assurance, Liquor Control Board of Ontario, Toronto, Canada
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Juan ME, Vinardell MP, Planas JM. The daily oral administration of high doses of trans-resveratrol to rats for 28 days is not harmful. J Nutr 2002; 132:257-60. [PMID: 11823587 DOI: 10.1093/jn/132.2.257] [Citation(s) in RCA: 205] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
trans-3,5,4'-Trihydroxystilbene (trans-resveratrol) is a phytochemical present in peanuts, grapes and wine with beneficial effects such as protection against cardiovascular disease and cancer prevention. The purpose of this study was to evaluate whether high doses of trans-resveratrol have harmful effects on Sprague-Dawley rats. trans-Resveratrol was administered orally to male rats for 28 d at a dose of 20 mg/(kg x d), 1000 times the amount consumed by a 70-kg person taking 1.4 g of trans-resveratrol/d. Body weight, and food and water consumption did not differ between rats treated with trans-resveratrol and the control group. Hematologic and biochemical variables were not affected by the treatment. Histopathologic examination of the organs obtained at autopsy did not reveal any alterations. These results support the view that repeated consumption of trans-resveratrol at 20 mg/(kg x d) does not adversely affect the variables tested in rats.
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Affiliation(s)
- M Emília Juan
- Departament de Fisiologia-Divisió IV, Facultat de Farmàcia, Universitat de Barcelona, E-08028 Barcelona, Spain
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31
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Resveratrol oligomers: Structure, chemistry, and biological activity. BIOACTIVE NATURAL PRODUCTS 2002. [DOI: 10.1016/s1572-5995(02)80014-x] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Abstract
Resveratrol (3,4',5-trihydroxy-trans-stilbene) is a common phytoalexin that is found in a few edible materials, such as grape skins, peanuts, and red wine. It has been speculated that dietary resveratrol may act as an antioxidant, promote nitric oxide production, inhibit platelet aggregation, and increase high-density lipoprotein cholesterol, and thereby serve as a cardioprotective agent. Based on epidemiological data, carcinogenesis and coronary heart disease are linked to dietary lifestyle and share a number of common pathways. Recently, it has been demonstrated that resveratrol can function as a cancer chemopreventive agent, and there has been a great deal of experimental effort directed toward defining this effect. Resveratrol has been reported to be estrogenic in transfected mammary cancer cells; however, there are conflicting results with respect to its actual estrogenic properties. In addition, resveratrol exhibits antiinflammatory, neuroprotective, and antiviral properties. In future work, some controversial in vitro biological effects need to be explored in animal models, and relevant physiological and pharmacological concentrations need to be used when assessing biological activities. This review focuses on various biological aspects of resveratrol and some issues that need to be addressed to gain a fuller appreciation of potential health benefits for human beings.
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Affiliation(s)
- I E Dreosti
- CSIRO Health Sciences and Nutrition, Adelaide, South Australia, Australia.
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Tadolini B, Juliano C, Piu L, Franconi F, Cabrini L. Resveratrol inhibition of lipid peroxidation. Free Radic Res 2000; 33:105-14. [PMID: 10826926 DOI: 10.1080/10715760000300661] [Citation(s) in RCA: 145] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
To define the molecular mechanism(s) of resveratrol inhibition of lipid peroxidation we have utilized model systems that allow us to study the different reactions involved in this complex process. Resveratrol proved (a) to inhibit more efficiently than either Trolox or ascorbate the Fe2+ catalyzed lipid hydroperoxide-dependent peroxidation of sonicated phosphatidylcholine liposomes; (b) to be less effective than Trolox in inhibiting lipid peroxidation initiated by the water soluble AAPH peroxyl radicals; (c) when exogenously added to liposomes, to be more potent than alpha-tocopherol and Trolox, in the inhibition of peroxidation initiated by the lipid soluble AMVN peroxyl radicals; (d) when incorporated within liposomes, to be a less potent chain-breaking antioxidant than alpha-tocopherol; (e) to be a weaker antiradical than alpha-tocopherol in the reduction of the stable radical DPPH*. Resveratrol reduced Fe3+ but its reduction rate was much slower than that observed in the presence of either ascorbate or Trolox. However, at the concentration inhibiting iron catalyzed lipid peroxidation, resveratrol did not significantly reduce Fe3+, contrary to ascorbate. In their complex, our data indicate that resveratrol inhibits lipid peroxidation mainly by scavenging lipid peroxyl radicals within the membrane, like alpha-tocopherol. Although it is less effective, its capacity of spontaneously entering the lipid environment confers on it great antioxidant potential.
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Affiliation(s)
- B Tadolini
- Dipartimento di Scienze Biomediche, Università di Sassari, Istituto Nazionale Biostrutture e Biosistemi, Osilo, Italy.
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Damianaki A, Bakogeorgou E, Kampa M, Notas G, Hatzoglou A, Panagiotou S, Gemetzi C, Kouroumalis E, Martin PM, Castanas E. Potent inhibitory action of red wine polyphenols on human breast cancer cells. J Cell Biochem 2000; 78:429-41. [PMID: 10861841 DOI: 10.1002/1097-4644(20000901)78:3<429::aid-jcb8>3.0.co;2-m] [Citation(s) in RCA: 217] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Breast cancer (one of the most common malignancy in Western societies), as well as esophagus, stomach, lung, bladder, and prostate cancer, depend on environmental factors and diet for growth and evolution. Dietary micronutriments have been proposed as effective inhibitory agents for cancer initiation, progression, and incidence. Among them, polyphenols, present in different foods and beverages, have retained attention in recent years. Red wine is a rich source of polyphenols, and their antioxidant and tumor arresting effects have been demonstrated in different in vitro and in vivo systems. In the present study, we have measured the antiproliferative effect of red wine concentrate, its total polyphenolic pool, and purified catechin, epicatechin, quercetin, and resveratrol, which account for more than 70% of the total polyphenols in red wine, on the proliferation of hormone sensitive (MCF7, T47D) and resistant (MDA-MB-231) breast cancer cell lines. Our results indicate that polyphenols, at the picomolar or the nanomolar range, decrease cell proliferation in a dose- and a time-dependant manner. In hormone sensitive cell lines, a specific interaction of each polyphenol with steroid receptors was observed, with IC(50)s lower than previously described. Interaction of polyphenols with steroid receptors cannot fully explain their inhibitory effect on cell proliferation. In addition, discrete antioxidant action on each cell line was detected under the same concentrations, both by modifying the toxic effect of H(2)O(2), and the production of reactive oxygen species (ROS), after phorbol ester stimulation. Our results suggest that low concentrations of polyphenols, and consecutively, consumption of wine, or other polyphenol-rich foods and beverages, could have a beneficial antiproliferative effect on breast cancer cell growth.
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Affiliation(s)
- A Damianaki
- Laboratory of Experimental Endocrinology, University of Crete, School of Medicine and University Hospital, Heraklion, Greece
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Abstract
Resveratrol (3, 4', 5 trihydroxystilbene) is a naturally occuring phytoalexin produced by some spermatophytes, such as grapevines, in response to injury. Given that it is present in grape berry skins but not in flesh, white wine contains very small amounts of resveratrol, compared to red wine. The concentrations in the form of trans- and cis- isomers of aglycone and glucosides are subjected to numerous variables. In red wine, the concentrations of the trans-isomer, which is the major form, generally ranges between 0.1 and 15 mg/L. As phenolic compound, resveratrol contributes to the antioxidant potential of red wine and thereby may play a role in the prevention of human cardiovascular diseases. Resveratrol has been shown to modulate the metabolism of lipids, and to inhibit the oxidation of low-density lipoproteins and the aggregation of platelets. Moreover, as phytoestrogen, resveratrol may provide cardiovascular protection. This compound also possesses anti-inflammatory and anticancer properties. However, the bioavailability and metabolic pathways must be known before drawing any conclusions on the benefits of dietary resveratrol to health.
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Affiliation(s)
- L Frémont
- Laboratoire de Nutrition et Sécurité Alimentaire INRA-CRJ, Jouy-en-Josas, France
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Formaldehyde Cycle and the Natural Formaldehyde Generators and Capturers. ACTA BIOLOGICA HUNGARICA 1998. [DOI: 10.1007/bf03542996] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Szende B, Tyihák E, Trézl L, Szőke É, László I, Kátay G, Király-Véghely Z. Formaldehyde Generators and Capturers as Influencing Factors of Mitotic and Apoptotic Processes. ACTA BIOLOGICA HUNGARICA 1998. [DOI: 10.1007/bf03543007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Cichewicz RH, Kouzi SA. Biotransformation of resveratrol to piceid by Bacillus cereus. JOURNAL OF NATURAL PRODUCTS 1998; 61:1313-1314. [PMID: 9784180 DOI: 10.1021/np980139b] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Microbial transformation of resveratrol (1), trans-3,4', 5-trihydroxystilbene, was studied. Preparative scale biotransformation of 1 with whole-cell suspensions of Bacillus cereus UI 1477 resulted in the production of metabolite 2 which was identical in all respects to an authentic sample of piceid, resveratrol 3-O-beta-D-glucoside.
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Affiliation(s)
- R H Cichewicz
- Division of Basic Pharmaceutical Sciences, School of Pharmacy, Northeast Louisiana University, Monroe, Louisiana 71209, USA
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