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Tripathi S, Bhawana. Epigenetic Orchestration of Neurodegenerative Disorders: A Possible Target for Curcumin as a Therapeutic. Neurochem Res 2024:10.1007/s11064-024-04167-z. [PMID: 38856890 DOI: 10.1007/s11064-024-04167-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 04/23/2024] [Accepted: 05/22/2024] [Indexed: 06/11/2024]
Abstract
Epigenetic modulations play a major role in gene expression and thus are responsible for various physiological changes including age-associated neurological disorders. Neurodegenerative diseases such as Alzheimer's (AD), Parkinson's (PD), Huntington's disease (HD), although symptomatically different, may share common underlying mechanisms. Most neurodegenerative diseases are associated with increased oxidative stress, aggregation of certain proteins, mitochondrial dysfunction, inactivation/dysregulation of protein degradation machinery, DNA damage and cell excitotoxicity. Epigenetic modulations has been reported to play a significant role in onset and progression of neurodegenerative diseases by regulating these processes. Previous studies have highlighted the marked antioxidant and neuroprotective abilities of polyphenols such as curcumin, by increased activity of detoxification systems like superoxide dismutase (SOD), catalase or glutathione peroxidase. The role of curcumin as an epigenetic modulator in neurological disorders and neuroinflammation apart from other chronic diseases have also been reported by a few groups. Nonetheless, the evidences for the role of curcumin mediated epigenetic modulation in its neuroprotective ability are still limited. This review summarizes the current knowledge of the role of mitochondrial dysfunction, epigenetic modulations and mitoepigenetics in age-associated neurological disorders such as PD, AD, HD, Amyotrophic Lateral Sclerosis (ALS), and Multiple Sclerosis (MS), and describes the neuroprotective effects of curcumin in the treatment and/or prevention of these neurodegenerative diseases by regulation of the epigenetic machinery.
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Affiliation(s)
- Shweta Tripathi
- Department of Paramedical Sciences, Faculty of Allied Health Sciences, SGT University, Gurugram, 122505, Haryana, India.
| | - Bhawana
- Department of Paramedical Sciences, Faculty of Allied Health Sciences, SGT University, Gurugram, 122505, Haryana, India
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Singh A, Yadawa AK, Rizvi SI. Curcumin protects against aging-related stress and dysfunction through autophagy activation in rat brain. Mol Biol Rep 2024; 51:694. [PMID: 38796662 DOI: 10.1007/s11033-024-09639-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Accepted: 05/13/2024] [Indexed: 05/28/2024]
Abstract
BACKGROUND Curcumin (Curcuma longa) is a well-known medicinal plant that induces autophagy in various model species, helping maintain cellular homeostasis. Its role as a caloric restriction mimetic (CRM) is being investigated. This study explores the potential of curcumin (CUR), as a CRM, to provide neuroprotection in D galactose induced accelerated senescence model of rats through modulation of autophagy. For six weeks, male rats received simultaneous supplementation of D-gal (300 mg/kg b.w., subcutaneously) and CUR (200 mg/kg b.w., oral). METHOD AND RESULTS The oxidative stress indices, antioxidants, and electron transport chain complexes in brain tissues were measured using standard methods. Reverse transcriptase-polymerase chain reaction (RT-PCR) gene expression analysis was used to evaluate the expression of autophagy, neuroprotection, and aging marker genes. Our results show that curcumin significantly (p ≤ 0.05) enhanced the level of antioxidants and considerably lowered the level of oxidative stress markers. Supplementing with CUR also increased the activity of electron transport chain complexes in the mitochondria of aged brain tissue, demonstrating the antioxidant potential of CUR at the mitochondrial level. CUR was found to upregulate the expression of the aging marker gene (SIRT-1) and the genes associated with autophagy (Beclin-1 and ULK-1), as well as neuroprotection (NSE) in the brain. The expression of IL-6 and TNF-α was downregulated. CONCLUSION Our findings demonstrate that CUR suppresses oxidative damage brought on by aging by modulating autophagy. These findings imply that curcumin might be beneficial for neuroprotection in aging and age-related disorders.
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Affiliation(s)
- Akanksha Singh
- Department of Biochemistry, University of Allahabad, Allahabad, Uttar Pradesh, 211002, India
| | - Arun Kumar Yadawa
- Department of Biochemistry, University of Allahabad, Allahabad, Uttar Pradesh, 211002, India
| | - Syed Ibrahim Rizvi
- Department of Biochemistry, University of Allahabad, Allahabad, Uttar Pradesh, 211002, India.
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Asbaghi O, Rezaei Kelishadi M, Larky DA, Bagheri R, Amirani N, Goudarzi K, Kargar F, Ghanavati M, Zamani M. The effects of green tea extract supplementation on body composition, obesity-related hormones and oxidative stress markers: a grade-assessed systematic review and dose-response meta-analysis of randomised controlled trials. Br J Nutr 2024; 131:1125-1157. [PMID: 38031409 DOI: 10.1017/s000711452300260x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
Research indicates that green tea extract (GTE) supplementation is beneficial for a range of conditions, including several forms of cancer, CVD and liver diseases; nevertheless, the existing evidence addressing its effects on body composition, oxidative stress and obesity-related hormones is inconclusive. This systematic review and meta-analysis aimed to investigate the effects of GTE supplementation on body composition (body mass (BM), body fat percentage (BFP), fat mass (FM), BMI, waist circumference (WC)), obesity-related hormones (leptin, adiponectin and ghrelin) and oxidative stress (malondialdehyde (MDA) and total antioxidant capacity (TAC)) markers. We searched proper databases, including PubMed/Medline, Scopus and Web of Science, up to July 2022 to recognise published randomised controlled trials (RCT) that investigated the effects of GTE supplementation on the markers mentioned above. A random effects model was used to carry out a meta-analysis. The heterogeneity among the studies was assessed using the I2 index. Among the initial 11 286 studies identified from an electronic database search, fifty-nine studies involving 3802 participants were eligible to be included in this meta-analysis. Pooled effect sizes indicated that BM, BFP, BMI and MDA significantly reduced following GTE supplementation. In addition, GTE supplementation increased adiponectin and TAC, with no effects on FM, leptin and ghrelin. Certainty of evidence across outcomes ranged from low to high. Our results suggest that GTE supplementation can attenuate oxidative stress, BM, BMI and BFP, which are thought to negatively affect human health. Moreover, GTE as a nutraceutical dietary supplement can increase TAC and adiponectin.
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Affiliation(s)
- Omid Asbaghi
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahnaz Rezaei Kelishadi
- Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Damoon Ashtary Larky
- Nutrition and Metabolic Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Reza Bagheri
- Department of Exercise Physiology, University of Isfahan, Isfahan, Iran
| | - Niusha Amirani
- Faculty of Medicine, Alborz University of Medical Sciences, Alborz, Iran
| | - Kian Goudarzi
- Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fatemeh Kargar
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Matin Ghanavati
- National Nutrition and Food Technology Research Institute, Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, P.O.19395-4741, Iran
| | - Mohammad Zamani
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
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Cao G, Zuo J, Wu B, Wu Y. Polyphenol supplementation boosts aerobic endurance in athletes: systematic review. Front Physiol 2024; 15:1369174. [PMID: 38651044 PMCID: PMC11033476 DOI: 10.3389/fphys.2024.1369174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 03/25/2024] [Indexed: 04/25/2024] Open
Abstract
In recent years, an increasing trend has been observed in the consumption of specific polyphenols, such as flavonoids and phenolic acids, derived from green tea, berries, and other similar sources. These compounds are believed to alleviate oxidative stress and inflammation resulting from exercise, potentially enhancing athletic performance. This systematic review critically examines the role of polyphenol supplementation in improving aerobic endurance among athletes and individuals with regular exercise habits. The review involved a thorough search of major literature databases, including PubMed, Web of Science, SCOPUS, SPORTDiscus, and Embase, covering re-search up to the year 2023. Out of 491 initially identified articles, 11 met the strict inclusion criteria for this review. These studies specifically focused on the incorporation of polyphenols or polyphenol-containing complexes in their experimental design, assessing their impact on aerobic endurance. The methodology adhered to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, and the risk of bias was evaluated using the Cochrane bias risk assessment tool. While this review suggests that polyphenol supplementation might enhance certain aspects of aerobic endurance and promote fat oxidation, it is important to interpret these findings with caution, considering the limited number of studies available. Systematic Review Registration: https://www.crd.york.ac.uk/PROSPERO/, identifier CRD42023453321.
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Affiliation(s)
- Gexin Cao
- Department of Exercise Physiology, School of Sports Science, Beijing Sports University, Beijing, China
- Laboratory of Sports Stress and Adaptation of General Administration of Sport, Beijing Sports University, Beijing, China
| | - Jing Zuo
- Laboratory of Sports Stress and Adaptation of General Administration of Sport, Beijing Sports University, Beijing, China
- Department of Anatomy Laboratory, School of Sports Science, Beijing Sports University, Beijing, China
| | - Baile Wu
- Department of Exercise Physiology, School of Sports Science, Beijing Sports University, Beijing, China
- Laboratory of Sports Stress and Adaptation of General Administration of Sport, Beijing Sports University, Beijing, China
| | - Ying Wu
- Department of Exercise Physiology, School of Sports Science, Beijing Sports University, Beijing, China
- Laboratory of Sports Stress and Adaptation of General Administration of Sport, Beijing Sports University, Beijing, China
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Chen P, Wang Y, Chen F, Zhou B. Epigenetics in obesity: Mechanisms and advances in therapies based on natural products. Pharmacol Res Perspect 2024; 12:e1171. [PMID: 38293783 PMCID: PMC10828914 DOI: 10.1002/prp2.1171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 10/19/2023] [Accepted: 12/28/2023] [Indexed: 02/01/2024] Open
Abstract
Obesity is a major risk factor for morbidity and mortality because it has a close relationship to metabolic illnesses, such as diabetes, cardiovascular diseases, and some types of cancer. With no drugs available, the mainstay of obesity management remains lifestyle changes with exercise and dietary modifications. In light of the tremendous disease burden and unmet therapeutics, fresh perspectives on pathophysiology and drug discovery are needed. The development of epigenetics provides a compelling justification for how environmental, lifestyle, and other risk factors contribute to the pathogenesis of obesity. Furthermore, epigenetic dysregulations can be restored, and it has been reported that certain natural products obtained from plants, such as tea polyphenols, ellagic acid, urolithins, curcumin, genistein, isothiocyanates, and citrus isoflavonoids, were shown to inhibit weight gain. These substances have great antioxidant potential and are of great interest because they can also modify epigenetic mechanisms. Therefore, understanding epigenetic modifications to target the primary cause of obesity and the epigenetic mechanisms of anti-obesity effects with certain phytochemicals can prove rational strategies to prevent the disease and develop novel therapeutic interventions. Thus, the current review aimed to summarize the epigenetic mechanisms and advances in therapies for obesity based on natural products to provide evidence for the development of several potential anti-obesity drug targets.
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Affiliation(s)
- Peng Chen
- Department of PharmacyRenmin Hospital of Wuhan UniversityWuhanHubeiP.R. China
| | - Yulai Wang
- Department of Pharmacy, Huangshi Central HospitalAffiliated Hospital of Hubei Polytechnic UniversityHuangshiHubeiP.R. China
| | - Fuchao Chen
- Sinopharm Dongfeng General HospitalHubei University of MedicineShiyanHubeiP.R. China
| | - Benhong Zhou
- Department of PharmacyRenmin Hospital of Wuhan UniversityWuhanHubeiP.R. China
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Das SK, Nerune SM, Das KK. Antioxidant therapy for hepatic diseases: a double-edged sword. J Basic Clin Physiol Pharmacol 2024; 35:7-14. [PMID: 38234261 DOI: 10.1515/jbcpp-2023-0156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 01/02/2024] [Indexed: 01/19/2024]
Abstract
Liver diseases are complex conditions, significantly influenced by oxidative stress. This comprehensive review assesses the therapeutic role of antioxidants like l-ascorbic acid and α tocopherol, beta-carotene, various minerals, and plant-based ingredients in mitigating oxidative stress-induced liver diseases. The manuscript delves into the critical influence of genetic and epigenetic factors on disease susceptibility, progression, and response to antioxidant therapy. While animal studies suggest antioxidant efficacy in liver disease treatment, human trials remain inconclusive, and caution is advised due to its possible potential pro-oxidant effects. Moreover, the interactions of antioxidants with other drugs necessitate careful consideration in the management of polypharmacy in liver disease patients. The review underscores the need for further research to establish the clinical benefits of antioxidants with understanding of possible antioxidant toxicities to elucidate the intricate interplay of genetic, epigenetic, and environmental factors in liver diseases. The aim is to foster a better understanding of the knowledge on hepatic disease management with judicial antioxidant therapies.
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Affiliation(s)
- Sayandeep K Das
- Department of Pathology, Shri B. M. Patil Medical College, Hospital and Research Centre, BLDE (Deemed to be University), Vijayapur, Karnataka, India
| | - Savitri M Nerune
- Department of Pathology, Shri B. M. Patil Medical College, Hospital and Research Centre, BLDE (Deemed to be University), Vijayapur, Karnataka, India
| | - Kusal K Das
- Laboratory of Vascular Physiology and Medicine, Department of Physiology, Shri B. M. Patil Medical College, Hospital and Research Centre, BLDE (Deemed to be University), Vijayapur, Karnataka, India
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De Marchi F, Vignaroli F, Mazzini L, Comi C, Tondo G. New Insights into the Relationship between Nutrition and Neuroinflammation in Alzheimer's Disease: Preventive and Therapeutic Perspectives. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:614-627. [PMID: 37291780 DOI: 10.2174/1871527322666230608110201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 04/16/2023] [Accepted: 05/08/2023] [Indexed: 06/10/2023]
Abstract
Neurodegenerative diseases are progressive brain disorders characterized by inexorable synaptic dysfunction and neuronal loss. Since the most consistent risk factor for developing neurodegenerative diseases is aging, the prevalence of these disorders is intended to increase with increasing life expectancy. Alzheimer's disease is the most common cause of neurodegenerative dementia, representing a significant medical, social, and economic burden worldwide. Despite growing research to reach an early diagnosis and optimal patient management, no disease-modifying therapies are currently available. Chronic neuroinflammation has been recognized as a crucial player in sustaining neurodegenerative processes, along with pathological deposition of misfolded proteins, including amyloid-β and tau protein. Modulating neuroinflammatory responses may be a promising therapeutic strategy in future clinical trials. Among factors that are able to regulate neuroinflammatory mechanisms, diet, and nutrients represent easily accessible and modifiable lifestyle components. Mediterranean diet and several nutrients, including polyphenols, vitamins, and omega-3 polyunsaturated fatty acids, can exert antioxidant and anti-inflammatory properties, impacting clinical manifestations, cognitive decline, and dementia. This review aims to provide an updated overview of the relationship between neuroinflammation, nutrition, gut microbiota, and neurodegeneration. We summarize the major studies exploring the effects of diet regimes on cognitive decline, primarily focusing on Alzheimer's disease dementia and the impact of these results on the design of ongoing clinical trials.
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Affiliation(s)
- Fabiola De Marchi
- ALS Center, Neurology Unit, Department of Translational Medicine, University of Piemonte Orientale, 28100, Novara, Italy
| | - Francesca Vignaroli
- Neurology Unit, Department of Translational Medicine, University of Piemonte Orientale, 28100, Novara, Italy
| | - Letizia Mazzini
- ALS Center, Neurology Unit, Department of Translational Medicine, University of Piemonte Orientale, 28100, Novara, Italy
| | - Cristoforo Comi
- Neurology Unit, Department of Translational Medicine, S. Andrea Hospital, University of Piemonte Orientale, 13100, Vercelli, Italy
| | - Giacomo Tondo
- Neurology Unit, Department of Translational Medicine, S. Andrea Hospital, University of Piemonte Orientale, 13100, Vercelli, Italy
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Arias C, Salazar LA. Ethanolic Extract of Propolis Modulates Autophagy-Related microRNAs in Osteoarthritic Chondrocytes. Int J Mol Sci 2023; 24:14767. [PMID: 37834215 PMCID: PMC10573165 DOI: 10.3390/ijms241914767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 09/17/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023] Open
Abstract
Osteoarthritis is a multifactorial joint disease characterized by degeneration, and aging stands as a significant risk factor. Autophagy, a crucial cellular homeostasis mechanism, is influenced by aging and closely linked to cartilage health. This correlation between autophagy, cell death, and OA underscores its relevance in disease progression. MicroRNAs have emerged as autophagy regulators, with miRNA-based interventions showing promise in preclinical models. Remarkably, the ethanolic extract of propolis exhibits positive effects on autophagy-related proteins and healthy cartilage markers in an in vitro osteoarthritis model. The aim of this brief report was to evaluate through in silico analysis and postulate five microRNAs that could regulate autophagy proteins (AKT1, ATG5, and LC3) and assess whether the ethanolic extract of propolis could regulate the expression of these microRNAs. Among the examined miRNAs (miR-19a, miR-125b, miR-181a, miR-185, and miR-335), the ethanolic extract of propolis induced significant changes in four of them. Specifically, miR-125b responded to EEP by counteracting IL-1β-induced effects, while miR-181a, miR-185, and miR-335 exhibited distinct patterns of expression under EEP treatment. These findings unveil a potential link between miRNAs, EEP, and autophagy modulation in OA, offering promising therapeutic insights. Nevertheless, further validation and clinical translation are warranted to substantiate these promising observations.
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Affiliation(s)
- Consuelo Arias
- Escuela de Kinesiología, Facultad de Odontología y Ciencias de la Rehabilitación, Universidad San Sebastián, Santiago 8380000, Chile
| | - Luis A Salazar
- Center of Molecular Biology and Pharmacogenetics, Department of Basic Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco 4811230, Chile
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Fajardo-Orduña GR, Ledesma-Martínez E, Aguiñiga-Sanchez I, Weiss-Steider B, Santiago-Osorio E. Role of SIRT1 in Chemoresistant Leukemia. Int J Mol Sci 2023; 24:14470. [PMID: 37833921 PMCID: PMC10573076 DOI: 10.3390/ijms241914470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/21/2023] [Accepted: 09/21/2023] [Indexed: 10/15/2023] Open
Abstract
Leukemias of the AML, CML, and CLL types are the most common blood cancers worldwide, making them a major global public health problem. Furthermore, less than 24% of patients treated with conventional chemotherapy (low-risk patients) and 10-15% of patients ineligible for conventional chemotherapy (high-risk patients) survive five years. The low levels of survival are mainly due to toxicity and resistance to chemotherapy or other medication, the latter leading to relapse of the disease, which is the main obstacle to the treatment of leukemia. Drug resistance may include different molecular mechanisms, among which epigenetic regulators are involved. Silent information regulator 2 homolog 1 (SIRT1) is an epigenetic factor belonging to the sirtuin (SIRT) family known to regulate aspects of chromatin biology, genome stability, and metabolism, both in homeostasis processes and in different diseases, including cancer. The regulatory functions of SIRT1 in different biological processes and molecular pathways are dependent on the type and stage of the neoplasia; thus, it may act as both an oncogenic and tumor suppressor factor and may also participate in drug resistance. In this review, we explore the role of SIRT1 in drug-resistant leukemia and its potential as a therapeutic target.
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Affiliation(s)
- Guadalupe Rosario Fajardo-Orduña
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico; (G.R.F.-O.)
| | - Edgar Ledesma-Martínez
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico; (G.R.F.-O.)
| | - Itzen Aguiñiga-Sanchez
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico; (G.R.F.-O.)
- Department of Biomedical Sciences, School of Medicine, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City 56410, Mexico
| | - Benny Weiss-Steider
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico; (G.R.F.-O.)
| | - Edelmiro Santiago-Osorio
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico; (G.R.F.-O.)
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Açar Y, Akbulut G. Nutritional Epigenetics and Phytochemicals in Cancer Formation. JOURNAL OF THE AMERICAN NUTRITION ASSOCIATION 2023; 42:700-705. [PMID: 36416668 DOI: 10.1080/27697061.2022.2147106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 11/07/2022] [Accepted: 11/08/2022] [Indexed: 06/16/2023]
Abstract
Nutrigenetics and nutrigenomics are two concepts in the area of nutritional genomics. Epigenetics is a new discipline with significant potential in the prevention and management of certain carcinomas and diseases. Epigenetics consists of DNA methylation, histone modification, non-coding RNAs, and telomerase activity. Epigenetic-based mechanisms act on the inhibition of cancer cells by modulating enzymes such as DNA methyltransferase and histone deacetylase, as well as non-coding RNAs. Phytochemicals are natural bioactive components of plant origin that have antioxidant, anti-inflammatory, and anti-angiogenic effects on various diseases, especially cancer. The epigenetic diet is a nutritional model based on the consumption of various phytochemicals such as epigallocatechin-3-gallate, morin, caffeic acid phenyl ester, apigenin, genistein, curcumin, resveratrol, and sulforaphane. Phytochemicals exert their effects on cancer-based by reducing cell proliferation, invasion, and metastasis and increasing cell apoptosis. Simultaneously, it has functions such as reducing oncogenes that have effects on cancer etiology and increasing tumor suppressor genes.Key teaching pointsCancer is a chronic disease with a high mortality rate, in which various genetic and environmental factors are involved in its etiology.Protooncogenes, tumor suppressor genes, and DNA repair genes are among the gene groups that form the basis of cancer and genetic structure.The bidirectional interaction between nutrition and the human genome has been effective in the emergence of the concepts of nutrigenetics and nutrigenomics.Epigenetic diet is a diet based on the consumption of foods such as soy, grapes, blueberries, turmeric, cruciferous vegetables, and green tea, which induce epigenetic mechanisms that protect against cancer and aging.
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Affiliation(s)
- Yasemin Açar
- Department of Nutrition and Dietetics, Gazi University, Ankara, Turkey
| | - Gamze Akbulut
- Department of Nutrition and Dietetics, Gazi University, Ankara, Turkey
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Osman A, Hofford RS, Meckel KR, Dave YA, Zeldin SM, Shipman AL, Lucerne KE, Trageser KJ, Oguchi T, Kiraly DD. Dietary polyphenols drive dose-dependent behavioral and molecular alterations to repeated morphine. Sci Rep 2023; 13:12223. [PMID: 37500710 PMCID: PMC10374644 DOI: 10.1038/s41598-023-39334-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 07/24/2023] [Indexed: 07/29/2023] Open
Abstract
Opioid Use Disorder (OUD) is associated with tremendous morbidity and mortality. Despite this burden, current pharmacotherapies for OUD are ineffective or intolerable for many patients. As such, interventions aimed at promoting resilience against OUD are of immense clinical interest. Treatment with a Bioactive Dietary Polyphenol Preparation (BDPP) promotes resilience and adaptive neuroplasticity in multiple models of neuropsychiatric disease. Here, we assessed effects of BDPP treatment on behavioral and molecular responses to repeated morphine treatment in male mice. BDPP pre-treatment alters responses for both locomotor sensitization and conditioned place preference. Most notably, polyphenol treatment consistently reduced formation of preference at low dose (5 mg/kg) morphine but enhanced it at high dose (15 mg/kg). In parallel, we performed transcriptomic profiling of the nucleus accumbens, which again showed a dose × polyphenol interaction. We also profiled microbiome composition and function, as polyphenols are metabolized by the microbiome and can act as prebiotics. The profile revealed polyphenol treatment markedly altered microbiome composition and function. Finally, we investigated involvement of the SIRT1 deacetylase, and the role of polyphenol metabolites in behavioral responses. These results demonstrate polyphenols have robust dose-dependent effects on behavioral and physiological responses to morphine and lay the foundation for future translational work.
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Affiliation(s)
- Aya Osman
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- The Seaver Center for Autism Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Rebecca S Hofford
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Physiology, Pharmacology and Psychiatry, Wake Forest School of Medicine, 115 S. Chestnut Street, Winston-Salem, NC, 27104, USA
| | - Katherine R Meckel
- Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Yesha A Dave
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Sharon M Zeldin
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ava L Shipman
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Kelsey E Lucerne
- Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Kyle J Trageser
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Geriatric Research, Education and Clinical Center, James J. Peters Veterans Affairs Medical Center, Bronx, NY, USA
| | - Tatsunori Oguchi
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Geriatric Research, Education and Clinical Center, James J. Peters Veterans Affairs Medical Center, Bronx, NY, USA
| | - Drew D Kiraly
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- The Seaver Center for Autism Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Department of Physiology, Pharmacology and Psychiatry, Wake Forest School of Medicine, 115 S. Chestnut Street, Winston-Salem, NC, 27104, USA.
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Department of Psychiatry, Atrium Health Wake Forest Baptist, Winston-Salem, NC, USA.
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Sharma A, Chabloz S, Lapides RA, Roider E, Ewald CY. Potential Synergistic Supplementation of NAD+ Promoting Compounds as a Strategy for Increasing Healthspan. Nutrients 2023; 15:nu15020445. [PMID: 36678315 PMCID: PMC9861325 DOI: 10.3390/nu15020445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 01/06/2023] [Accepted: 01/10/2023] [Indexed: 01/18/2023] Open
Abstract
Disrupted biological function, manifesting through the hallmarks of aging, poses one of the largest threats to healthspan and risk of disease development, such as metabolic disorders, cardiovascular ailments, and neurodegeneration. In recent years, numerous geroprotectors, senolytics, and other nutraceuticals have emerged as potential disruptors of aging and may be viable interventions in the immediate state of human longevity science. In this review, we focus on the decrease in nicotinamide adenine dinucleotide (NAD+) with age and the supplementation of NAD+ precursors, such as nicotinamide mononucleotide (NMN) or nicotinamide riboside (NR), in combination with other geroprotective compounds, to restore NAD+ levels present in youth. Furthermore, these geroprotectors may enhance the efficacy of NMN supplementation while concurrently providing their own numerous health benefits. By analyzing the prevention of NAD+ degradation through the inhibition of CD38 or supporting protective downstream agents of SIRT1, we provide a potential framework of the CD38/NAD+/SIRT1 axis through which geroprotectors may enhance the efficacy of NAD+ precursor supplementation and reduce the risk of age-related diseases, thereby potentiating healthspan in humans.
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Affiliation(s)
- Arastu Sharma
- Laboratory of Extracellular Matrix Regeneration, Department of Health Sciences and Technology, Institute of Translational Medicine, ETH Zürich, 8603 Schwerzenbach, Switzerland
- AVEA Life AG, Bahnhofplatz, 6300 Zug, Switzerland
| | | | - Rebecca A. Lapides
- Department of Dermatology, University Hospital of Basel, 4031 Basel, Switzerland
- Robert Larner, MD College of Medicine at the University of Vermont, Burlington, VT 05405, USA
| | - Elisabeth Roider
- Department of Dermatology, University Hospital of Basel, 4031 Basel, Switzerland
- Cutaneous Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA
- Maximon AG, Bahnhofplatz, 6300 Zug, Switzerland
| | - Collin Y. Ewald
- Laboratory of Extracellular Matrix Regeneration, Department of Health Sciences and Technology, Institute of Translational Medicine, ETH Zürich, 8603 Schwerzenbach, Switzerland
- Correspondence:
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13
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Migliore L, Coppedè F. Gene-environment interactions in Alzheimer disease: the emerging role of epigenetics. Nat Rev Neurol 2022; 18:643-660. [PMID: 36180553 DOI: 10.1038/s41582-022-00714-w] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/18/2022] [Indexed: 12/15/2022]
Abstract
With the exception of a few monogenic forms, Alzheimer disease (AD) has a complex aetiology that is likely to involve multiple susceptibility genes and environmental factors. The role of environmental factors is difficult to determine and, until a few years ago, the molecular mechanisms underlying gene-environment (G × E) interactions in AD were largely unknown. Here, we review evidence that has emerged over the past two decades to explain how environmental factors, such as diet, lifestyle, alcohol, smoking and pollutants, might interact with the human genome. In particular, we discuss how various environmental AD risk factors can induce epigenetic modifications of key AD-related genes and pathways and consider how epigenetic mechanisms could contribute to the effects of oxidative stress on AD onset. Studies on early-life exposures are helping to uncover critical time windows of sensitivity to epigenetic influences from environmental factors, thereby laying the foundations for future primary preventative approaches. We conclude that epigenetic modifications need to be considered when assessing G × E interactions in AD.
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Affiliation(s)
- Lucia Migliore
- Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy. .,Department of Laboratory Medicine, Pisa University Hospital, Pisa, Italy.
| | - Fabio Coppedè
- Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy
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14
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Deniz FSŞ, Eren G, Orhan IE. Flavonoids as Sirtuin Modulators. Curr Top Med Chem 2022; 22:790-805. [PMID: 35466876 DOI: 10.2174/1568026622666220422094744] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/03/2022] [Accepted: 03/06/2022] [Indexed: 11/22/2022]
Abstract
Sirtuins (SIRTs) are described as NAD+-dependent deacetylases, also known as class III histone deacetylases. So far, seven sirtuin genes (SIRTS 1-7) have been identified and characterized in mammals and also known to occur in bacteria and eukaryotes. SIRTs are involved in various biological processes including endocrine system, apoptosis, aging and longevity, diabetes, rheumatoid arthritis, obesity, inflammation, etc. Among them, the best characterized one is SIRT1. Actually, small molecules seem to be the most effective SIRT modulators. Flavonoids have been reported to possess many positive effects favrable for human health, while a relatively less research has been reported so far on their funcions as SIRT modulation mechanisms. In this regard, we herein aimed to focus on modulatory effects of flavonoids on SIRTs as the most common secondary metabolites in natural products. Our literature survey covering the years of 2006-2021 pointed out that flavonoids frequently interact with SIRT1 and SIRT3 followed by SIRT6. It can be also concluded that some popular flavonoid derivatives, e.g. resveratrol, quercetin, and catechin derivatives came forward in terms of SIRT modulation.
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Affiliation(s)
| | - Gökçen Eren
- Faculty of Pharmacy, Gazi University, 06330 Ankara
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15
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Henrik SZŐKE, István BÓKKON, David M, Jan V, Ágnes K, Zoltán K, Ferenc F, Tibor K, László SL, Ádám D, Odilia M, Andrea K. The innate immune system and fever under redox control: A Narrative Review. Curr Med Chem 2022; 29:4324-4362. [DOI: 10.2174/0929867329666220203122239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 11/21/2021] [Accepted: 12/07/2021] [Indexed: 11/22/2022]
Abstract
ABSTRACT:
In living cells, redox potential is vitally important for normal physiological processes that are closely regulated by antioxidants, free amino acids and proteins that either have reactive oxygen and nitrogen species capture capability or can be compartmentalized. Although hundreds of experiments support the regulatory role of free radicals and their derivatives, several authors continue to claim that these perform only harmful and non-regulatory functions. In this paper we show that countless intracellular and extracellular signal pathways are directly or indirectly linked to regulated redox processes. We also briefly discuss how artificial oxidative stress can have important therapeutic potential and the possible negative effects of popular antioxidant supplements.
Next, we present the argument supported by a large number of studies that several major components of innate immunity, as well as fever, is also essentially associated with regulated redox processes. Our goal is to point out that the production of excess or unregulated free radicals and reactive species can be secondary processes due to the perturbed cellular signal pathways. However, researchers on pharmacology should consider the important role of redox mechanisms in the innate immune system and fever.
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Affiliation(s)
- SZŐKE Henrik
- Doctoral School of Health Sciences, University of Pécs, Pécs, Hungary
| | - BÓKKON István
- Neuroscience and Consciousness Research Department, Vision Research Institute,
Lowell, MA, USA
| | - martin David
- Department of Human Medicine, University Witten/Herdecke, Witten, Germany
| | - Vagedes Jan
- University Children’s Hospital, Tuebingen University, Tuebingen, Germany
| | - kiss Ágnes
- Doctoral School of Health Sciences, University of Pécs, Pécs, Hungary
| | - kovács Zoltán
- Doctoral School of Health Sciences, University of Pécs, Pécs, Hungary
| | - fekete Ferenc
- Department of Nyerges Gábor Pediatric Infectology, Heim Pál National Pediatric Institute, Budapest, Hungary
| | - kocsis Tibor
- Department of Clinical Governance, Hungarian National Ambulance Service, Budapest, Hungary
| | | | | | | | - kisbenedek Andrea
- Doctoral School of Health Sciences, University of Pécs, Pécs, Hungary
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16
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Bujak T, Zagórska-Dziok M, Ziemlewska A, Nizioł-Łukaszewska Z, Lal K, Wasilewski T, Hordyjewicz-Baran Z. Flower Extracts as Multifunctional Dyes in the Cosmetics Industry. Molecules 2022; 27:molecules27030922. [PMID: 35164187 PMCID: PMC8838747 DOI: 10.3390/molecules27030922] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/19/2022] [Accepted: 01/24/2022] [Indexed: 01/27/2023] Open
Abstract
Flowers are a natural source of bioactive compounds that not only have antioxidant, anti-inflammatory, and anti-aging properties, but can also be used as natural dyes. For this reason, nowadays plants are widely used to produce natural cosmetics and foods. In these studies, the properties of the water extracts of Papaver rhoeas L., Punica granatum L., Clitoria ternatea L., Carthamus tinctorius L., and Gomphrena globosa L., as bioactive, natural dyes, were investigated. Plant flower extracts were tested for their antioxidant (ABTS and DPPH radical methods) and anti-inflammatory effects by determining the ability to inhibit the activity of lipoxygenase and proteinase. The extracts were tested for their cytotoxic effect on skin cells, using Alamar Blue and Neutral Red tests. The ability to inhibit the activity of enzymes responsible for the destruction of elastin and collagen was also studied. Research has shown that extracts have no toxic effect on skin cells, are a rich source of antioxidants and show the ability to inhibit the activity of elastase and collagenase enzymes. P. rhoeas extract showed the strongest antioxidant properties with IC50 value of 24.8 ± 0.42 µg/mL and 47.5 ± 1.01 µg/mL in ABTS and DPPH tests, respectively. The tested plants are also characterized by an anti-inflammatory property, for which the ability to inhibit lipoxygenase at a level above 80% and proteinase at the level of about 55% was noted. Extracts from P. rhoeas, C. ternatea, and C. tinctorius show the strongest coloring ability and can permanently dye cosmetic products, without significant color changes during the storage of the product.
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Affiliation(s)
- Tomasz Bujak
- Department of Technology of Cosmetic and Pharmaceutical Products, Medical College, University of Information Technology and Management in Rzeszow, Sucharskiego 2, 35-225 Rzeszow, Poland; (M.Z.-D.); (A.Z.); (Z.N.-Ł.); (K.L.)
- Correspondence:
| | - Martyna Zagórska-Dziok
- Department of Technology of Cosmetic and Pharmaceutical Products, Medical College, University of Information Technology and Management in Rzeszow, Sucharskiego 2, 35-225 Rzeszow, Poland; (M.Z.-D.); (A.Z.); (Z.N.-Ł.); (K.L.)
| | - Aleksandra Ziemlewska
- Department of Technology of Cosmetic and Pharmaceutical Products, Medical College, University of Information Technology and Management in Rzeszow, Sucharskiego 2, 35-225 Rzeszow, Poland; (M.Z.-D.); (A.Z.); (Z.N.-Ł.); (K.L.)
| | - Zofia Nizioł-Łukaszewska
- Department of Technology of Cosmetic and Pharmaceutical Products, Medical College, University of Information Technology and Management in Rzeszow, Sucharskiego 2, 35-225 Rzeszow, Poland; (M.Z.-D.); (A.Z.); (Z.N.-Ł.); (K.L.)
| | - Kamila Lal
- Department of Technology of Cosmetic and Pharmaceutical Products, Medical College, University of Information Technology and Management in Rzeszow, Sucharskiego 2, 35-225 Rzeszow, Poland; (M.Z.-D.); (A.Z.); (Z.N.-Ł.); (K.L.)
| | - Tomasz Wasilewski
- Department of Industrial Chemistry, University of Technology and Humanities in Radom, Chrobrego 27, 26-600 Radom, Poland;
- Research and Development Department, ONLYBIO.life S.A., Wojska Polskiego 65, 85-825 Bydgoszcz, Poland
| | - Zofia Hordyjewicz-Baran
- ŁUKASIEWICZ Research Network—Institute of Heavy Organic Synthesis “Blachownia”, Energetykow 9, 47-225 Kedzierzyn-Kozle, Poland;
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17
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Arias C, Salazar LA. Autophagy and Polyphenols in Osteoarthritis: A Focus on Epigenetic Regulation. Int J Mol Sci 2021; 23:ijms23010421. [PMID: 35008847 PMCID: PMC8745146 DOI: 10.3390/ijms23010421] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 12/23/2021] [Accepted: 12/28/2021] [Indexed: 02/07/2023] Open
Abstract
Autophagy is an intracellular mechanism that maintains cellular homeostasis in different tissues. This process declines in cartilage due to aging, which is correlated with osteoarthritis (OA), a multifactorial and degenerative joint disease. Several studies show that microRNAs regulate different steps of autophagy but only a few of them participate in OA. Therefore, epigenetic modifications could represent a therapeutic opportunity during the development of OA. Besides, polyphenols are bioactive components with great potential to counteract diseases, which could reverse altered epigenetic regulation and modify autophagy in cartilage. This review aims to analyze epigenetic mechanisms that are currently associated with autophagy in OA, and to evaluate whether polyphenols are used to reverse the epigenetic alterations generated by aging in the autophagy pathway.
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Affiliation(s)
- Consuelo Arias
- Center of Molecular Biology and Pharmacogenetics, Department of Basic Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco 4811230, Chile;
- Department of Preclinical Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco 4811230, Chile
| | - Luis A. Salazar
- Center of Molecular Biology and Pharmacogenetics, Department of Basic Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco 4811230, Chile;
- Interuniversity Center for Healthy Aging (ICHA), Universidad de La Frontera, Temuco 4811230, Chile
- Correspondence: ; Tel.: +56-45-259-6724
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18
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Yan F, Chen W, Zhao L, Lu Q, Wang C, Liu R. Procyanidin A 1 and its digestive products prevent acrylamide-induced intestinal barrier dysfunction via the MAPK-mediated MLCK pathway. Food Funct 2021; 12:11956-11965. [PMID: 34747428 DOI: 10.1039/d1fo01918j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Procyanidins can alleviate small-intestine damage induced by acrylamide (ACR). However, little is known about whether procyanidins, after gastrointestinal digestion, can prevent ACR-induced intestinal barrier damage and the possible mechanism. Here, Caco-2 cells were differentiated into an intestinal epithelial cell monolayer membrane, which was stimulated with or without ACR in the presence or absence of procyanidin A1 (A1) and its digestive products (D-A1). Our findings show that both A1 and D-A1 significantly increased the transepithelial electrical resistance (TEER) value; decreased FITC-dextran 4 kDa (FITC-4 kDa) permeability, apoptosis and lactic dehydrogenase (LDH) release; and enhanced the expression of claudin-1, occludin and zonula occludens-1 (ZO-1) in ACR-induced Caco-2 cell monolayer membrane. In addition, A1 and D-A1 suppressed ACR-induced phosphorylation of mitogen-activated protein kinase (MAPK). Finally, A1 and D-A1 inhibited the myosin light chain kinase (MLCK) signaling pathway, thereby maintaining normal intestinal barrier functions, similar to the MLCK inhibitor in ACR-induced Caco-2 cell monolayer membrane. These findings indicate that A1 can alleviate ACR-induced intestinal barrier dysfunction via inhibiting the MAPK/MLCK signaling pathway, and it still has excellent inhibitory effects after digestion.
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Affiliation(s)
- Fangfang Yan
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China.
| | - Wanbing Chen
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China.
| | - Li Zhao
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China.
| | - Qun Lu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China. .,Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan 430070, China
| | - Chengming Wang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China. .,Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan 430070, China
| | - Rui Liu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China. .,Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan 430070, China.,Key Laboratory of Urban Agriculture in Central China, Ministry of Agriculture and Rural Affairs, P. R. China
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19
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Effect of Green Tea Supplementation on Antioxidant Status in Adults: A Systematic Review and Meta-Analysis of Randomized Clinical Trials. Antioxidants (Basel) 2021; 10:antiox10111731. [PMID: 34829602 PMCID: PMC8614888 DOI: 10.3390/antiox10111731] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/26/2021] [Accepted: 10/27/2021] [Indexed: 12/13/2022] Open
Abstract
It is well-established that green tea supplementation has antioxidant properties. However, whether green tea supplementation leads to oxidative stress reduction remains unclear, as clinical investigations on this subject have yielded inconsistent outcomes. Consequently, we aimed to determine the effects of green tea supplementation on oxidative stress in adults. A systematic search of English language publications up to 21 August 2021 was carried out in PubMed, Scopus, Embase, and ISI Web of Science, utilizing pertinent keywords. These searches included randomized controlled trials (RCTs) evaluating the relationship between green tea supplementation, malondialdehyde (MDA), and total antioxidant capacity (TAC) in adults. A random-effects model was used to estimate the weighted mean difference (WMD) and 95% confidence intervals (95% CI). Meta-regression and non-linear dose-response analyses were performed to investigate the association between the dosage of green tea (mg/day) and the duration of the intervention (weeks) with pooled effect size. Sixteen RCTs with seventeen arms including 760 participants met the inclusion criteria. Our results indicated that green tea supplementation had significant effects on TAC (weighted mean difference [WMD]: 0.20 mmol/L; 95% CI: 0.09, 0.30, p < 0.001) and significant heterogeneity between studies (I2 = 98.6%, p < 0.001), which was largely related to gender and body mass index (BMI). Subgroup analysis in TAC identified a significant relationship except with low dose supplementation and obese individuals. No relationship between MDA and green tea supplementation was observed in any subgroups; however, meta-regression analysis revealed a linear inverse association between the dosage and significant change in MDA (r = −2117.18, p = 0.017). Our outcomes suggest that green tea supplementation improves TAC and affects MDA based on the dose of the intervention in adults. Future RCTs with longer durations are needed to expand our findings.
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20
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Cappelli K, Ferlisi F, Mecocci S, Maranesi M, Trabalza-Marinucci M, Zerani M, Dal Bosco A, Acuti G. Dietary Supplementation of Olive Mill Waste Water Polyphenols in Rabbits: Evaluation of the Potential Effects on Hepatic Apoptosis, Inflammation and Metabolism through RT-qPCR Approach. Animals (Basel) 2021; 11:2932. [PMID: 34679953 PMCID: PMC8532769 DOI: 10.3390/ani11102932] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/27/2021] [Accepted: 10/09/2021] [Indexed: 12/24/2022] Open
Abstract
Agro-industrial processing for the production of food or non-food products generates a wide range of by-products and residues rich in bioactive compounds including polyphenols. The concentration of these by-products is sometimes higher than in the original raw material as in the case of olive mill waste water (OMWW), one of the main by-products of olive oil extraction. Polyphenols are secondary plant metabolites that regulate the expression of specific inflammatory genes, transcriptional factors and pro/anti-apoptotic molecules, thus modulating the signaling pathways essential for cell health and homeostasis. The liver plays a key role in regulating homeostasis by responding to dietary changes in order to maintain nutritional and physiological states. In this study a nutrigenomic approach was adopted, which focuses on the effects of diet-health-gene interactions and the modulation of cellular processes, in order to evaluate the expression of the genes (AGER, BAX, COX2, IL1B, PPARA, PPARG, SIRT1, TNFA) involved in these interactions in the livers of rabbits fed with a diet supplemented with OMWW (POL) or without supplements (control, CTR). The RT-qPCR analysis showed the down-regulation of SIRT1, TNFA, AGER, BAX and PPARA transcripts in the POL group compared to the CTR group. These results show that OMWW dietary supplementation prevents cell death and tissue deterioration in rabbits.
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Affiliation(s)
- Katia Cappelli
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo, 4, 06126 Perugia, Italy; (K.C.); (F.F.); (S.M.); (M.Z.); (G.A.)
| | - Flavia Ferlisi
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo, 4, 06126 Perugia, Italy; (K.C.); (F.F.); (S.M.); (M.Z.); (G.A.)
| | - Samanta Mecocci
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo, 4, 06126 Perugia, Italy; (K.C.); (F.F.); (S.M.); (M.Z.); (G.A.)
| | - Margherita Maranesi
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo, 4, 06126 Perugia, Italy; (K.C.); (F.F.); (S.M.); (M.Z.); (G.A.)
| | - Massimo Trabalza-Marinucci
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo, 4, 06126 Perugia, Italy; (K.C.); (F.F.); (S.M.); (M.Z.); (G.A.)
| | - Massimo Zerani
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo, 4, 06126 Perugia, Italy; (K.C.); (F.F.); (S.M.); (M.Z.); (G.A.)
| | - Alessandro Dal Bosco
- Department of Agricultural, Food and Environmental Science, University of Perugia, Borgo XX Giugno, 74, 06100 Perugia, Italy;
| | - Gabriele Acuti
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo, 4, 06126 Perugia, Italy; (K.C.); (F.F.); (S.M.); (M.Z.); (G.A.)
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21
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Kocabas Ş, Sanlier N. A comprehensive overview of the complex relationship between epigenetics, bioactive components, cancer, and aging. Crit Rev Food Sci Nutr 2021:1-13. [PMID: 34623201 DOI: 10.1080/10408398.2021.1986803] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Among age-related diseases, the incidence of cancer increases significantly due to the overlap of some molecular pathways between cancer and aging. While the genetic influence on the human lifespan is estimated to be about 20-25%, epigenetic changes play an important role in modulating individual health status, aging. Aging and age-related conditions are processes that can be modified by both genetic, environmental factors, including dietary habits. Epigenetics is a new discipline has significant potential to be applied for the prevention, management of certain carcinomas and diseases. Epigenetic modifications may play an important role in disease occurrence and pathogenesis. Some nutritional components can be significantly effective in the prevention of breast, skin, esophagus, colorectal, prostate, pancreatic, lung cancers. It contains minerals, vitamins, and some bioactive components (curcumin, indole 3 carbinol, di-indolylmethane, sulforaphane, epigallocatechin-3-gallate, genistein, resveratrol, pterostilbene, apigenin, etc.) regulatory processes. However, compelling evidence suggests that dietary habits can manipulate the aging process and/or its consequences, have health benefits. Aging processes become complex when combined with the relational role of bioactive nutritional components on gene expression. In this review, the relationship between epigenetic processes caused by DNA methylylation, histone modification, non-coding m-RNA, and telomerase activity, the risk of aging and cancer is discussed.
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Affiliation(s)
- Şule Kocabas
- Department of Nutrition and Dietetics, School of Health Sciences, Ankara Medipol University, Altındağ, Ankara, Turkey
| | - Nevin Sanlier
- Department of Nutrition and Dietetics, School of Health Sciences, Ankara Medipol University, Altındağ, Ankara, Turkey
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22
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Dimitriadis SI, Lyssoudis C, Tsolaki AC, Lazarou E, Kozori M, Tsolaki M. Greek High Phenolic Early Harvest Extra Virgin Olive Oil Reduces the Over-Excitation of Information-Flow Based on Dominant Coupling Mode (DoCM) Model in Patients with Mild Cognitive Impairment: An EEG Resting-State Validation Approach. J Alzheimers Dis 2021; 83:191-207. [PMID: 34308906 DOI: 10.3233/jad-210454] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Extra virgin olive oil (EVOO) constitutes a natural compound with high protection over cognitive function that could positively alter brain dynamics and the mixture of within and between-frequency connectivity. OBJECTIVE The balance of cross-frequency coupling over within-frequency coupling can build a nonlinearity index (NI) that encapsulates the over-excitation of information flow between brain areas and across experimental time. The present study investigated for the very first time how the Greek High Phenolic Early Harvest Extra Virgin Olive Oil (HP-EH-EVOO) versus Moderate Phenolic (MP-EVOO) and Mediterranean Diet (MeDi) intervention in people with mild cognitive impairment (MCI) could affect their spontaneous EEG dynamic connectivity. METHODS Forty-three subjects (14 in MeDi, 16 in MP-EVOO, and 13 in HP-EH-EVOO) followed an EEG resting-state recording session (eyes-open and closed) before and after the treatment. Following our dominant coupling mode model, we built a dynamic integrated dynamic functional connectivity graph that tabulates the functional strength and the dominant coupling mode model of every pair of brain areas. RESULTS Signal spectrum within 1-13 Hz and theta/beta ratio have decreased in the HP-EH-EVOO group in the eyes-open condition. The intervention improved the FIDoCM across groups and conditions but was more prominent in the HP-EH-EVOO group (p < 0.001). Finally, we revealed a significant higher post-intervention reduction of NI (ΔNITotal and α) for the HP-EH-EVOO compared to the MP-EVOO and MeDi groups (p < 0.0001). CONCLUSION Long-term intervention with HP-EH-EVOO reduced the over-excitation of information flow in spontaneous brain activity and altered the signal spectrum of EEG rhythms.
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Affiliation(s)
- Stavros I Dimitriadis
- 1st Department of Neurology, G.H. "AHEPA, " School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki (AUTH), Thessaloniki, Greece.,Greek Association of Alzheimer's Disease and Related Disorders, Thessaloniki, Makedonia, Greece.,Integrative Neuroimaging Lab, Thessaloniki, Greece.,Cardiff University Brain Research Imaging Centre (CUBRIC), School of Psychology, College of Biomedical and Life Sciences, Cardiff University, Cardiff, Wales, United Kingdom.,Neuroinformatics Group, Cardiff University Brain Research Imaging Centre (CUBRIC), School of Psychology, College of Biomedical and Life Sciences, Cardiff, Wales, United Kingdom.,Division of Psychological Medicine and Clinical Neurosciences, School of Medicine, College of Biomedical and Life Sciences, Cardiff University, Cardiff, Wales, United Kingdom.,School of Psychology, College of Biomedical and Life Sciences, Cardiff University, Cardiff, Wales, United Kingdom.,Neuroscience and Mental Health Research Institute, School of Medicine, College of Biomedical and Life Sciences, Cardiff University, Cardiff, Wales, United Kingdom.,MRC Centre for Neuropsychiatric Genetics and Genomics, School of Medicine, College of Biomedical and Life Sciences, Cardiff University, Cardiff, Wales, United Kingdom
| | - Christos Lyssoudis
- Greek Association of Alzheimer's Disease and Related Disorders, Thessaloniki, Makedonia, Greece
| | - Anthoula C Tsolaki
- 1st Department of Neurology, G.H. "AHEPA, " School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki (AUTH), Thessaloniki, Greece
| | - Eftychia Lazarou
- Greek Association of Alzheimer's Disease and Related Disorders, Thessaloniki, Makedonia, Greece
| | - Mahi Kozori
- Greek Association of Alzheimer's Disease and Related Disorders, Thessaloniki, Makedonia, Greece
| | - Magda Tsolaki
- 1st Department of Neurology, G.H. "AHEPA, " School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki (AUTH), Thessaloniki, Greece.,Greek Association of Alzheimer's Disease and Related Disorders, Thessaloniki, Makedonia, Greece
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23
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Guo T, Akan OD, Luo F, Lin Q. Dietary polysaccharides exert biological functions via epigenetic regulations: Advance and prospectives. Crit Rev Food Sci Nutr 2021; 63:114-124. [PMID: 34227906 DOI: 10.1080/10408398.2021.1944974] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Bioactive substances derived from natural products are valued for effective health-related activities. As extremely important component of plants, animal cell membrane and microbes cytoderm, polysaccharides have been applied as medications, foods and cosmetics stemming from their prominent biological functions and minor side-effects. Recent studies indicate that polysaccharides exert biological effects also through epigenetic mechanism. Through the intervention of DNA methylation, histone modification, and non-coding RNA, polysaccharides participatate in regulation of immunity/inflammation, glucose and lipid metabolism, antioxidant damage and anti-tumor, which presents novel mechanism of polysaccharide exerting various functions. In this review, the latest advances in the biological functions of dietary polysaccharides via epigenetic regulations were comprehensively summarized and discussed. From the view point of epigenetic regulation, investigating the relationship between polysaccharides and biological effects will enhance our understandings of polysaccharides and also means huge breakthrough of molecular mechanism in the polysaccharide research fields. The paper will provide important reference to these investigators of polysaccharide research and expand the applications of dietary polysaccharides in the functional food developments.
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Affiliation(s)
- Tianyi Guo
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Processed Food for Special Medical Purpose, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, National Engineering Laboratory for Deep Process of Rice and Byproducts, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Otobong Donald Akan
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Processed Food for Special Medical Purpose, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, National Engineering Laboratory for Deep Process of Rice and Byproducts, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Feijun Luo
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Processed Food for Special Medical Purpose, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, National Engineering Laboratory for Deep Process of Rice and Byproducts, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Qinlu Lin
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Processed Food for Special Medical Purpose, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, National Engineering Laboratory for Deep Process of Rice and Byproducts, Central South University of Forestry and Technology, Changsha, Hunan, China
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24
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Bucciantini M, Leri M, Nardiello P, Casamenti F, Stefani M. Olive Polyphenols: Antioxidant and Anti-Inflammatory Properties. Antioxidants (Basel) 2021; 10:antiox10071044. [PMID: 34209636 PMCID: PMC8300823 DOI: 10.3390/antiox10071044] [Citation(s) in RCA: 79] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 06/23/2021] [Accepted: 06/24/2021] [Indexed: 12/14/2022] Open
Abstract
Oxidative stress and inflammation triggered by increased oxidative stress are the cause of many chronic diseases. The lack of anti-inflammatory drugs without side-effects has stimulated the search for new active substances. Plant-derived compounds provide new potential anti-inflammatory and antioxidant molecules. Natural products are structurally optimized by evolution to serve particular biological functions, including the regulation of endogenous defense mechanisms and interaction with other organisms. This property explains their relevance for infectious diseases and cancer. Recently, among the various natural substances, polyphenols from extra virgin olive oil (EVOO), an important element of the Mediterranean diet, have aroused growing interest. Extensive studies have shown the potent therapeutic effects of these bioactive molecules against a series of chronic diseases, such as cardiovascular diseases, diabetes, neurodegenerative disorders and cancer. This review begins from the chemical structure, abundance and bioavailability of the main EVOO polyphenols to highlight the effects and the possible molecular mechanism(s) of action of these compounds against inflammation and oxidation, in vitro and in vivo. In addition, the mechanisms of inhibition of molecular signaling pathways activated by oxidative stress by EVOO polyphenols are discussed, together with their possible roles in inflammation-mediated chronic disorders, also taking into account meta-analysis of population studies and clinical trials.
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Affiliation(s)
- Monica Bucciantini
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence 50134, Italy; (M.L.); (M.S.)
- Correspondence:
| | - Manuela Leri
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence 50134, Italy; (M.L.); (M.S.)
| | - Pamela Nardiello
- Department of Neuroscience, Psychology, Drug Research and Child Health, University of Florence, Florence 50134, Italy; (P.N.); (F.C.)
| | - Fiorella Casamenti
- Department of Neuroscience, Psychology, Drug Research and Child Health, University of Florence, Florence 50134, Italy; (P.N.); (F.C.)
| | - Massimo Stefani
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence 50134, Italy; (M.L.); (M.S.)
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25
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Behl T, Mehta K, Sehgal A, Singh S, Sharma N, Ahmadi A, Arora S, Bungau S. Exploring the role of polyphenols in rheumatoid arthritis. Crit Rev Food Sci Nutr 2021; 62:5372-5393. [PMID: 33998910 DOI: 10.1080/10408398.2021.1924613] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic, inflammatory and autoimmune disorder which is mainly characterized by inflammation in joints, bone erosions and cartilaginous destruction that leads to joint dysfunction, deformation, and/or permanent functional impairment. The prevalence of RA is increasing, incurring a considerable burden on healthcare systems globally. The exact etiology of RA is unknown, with various pathways implicated in its pathophysiology. Non-steroidal anti-inflammatory drugs (NSAIDs) including celecoxib, diclofenac and ibuprofen, disease-modifying anti-rheumatic drugs (DMARD) including azathioprine, methotrexate and cyclosporine, biological agents including anakinra, infliximab, and rituximab and immunosuppressants are used for symptomatic relief in patients with RA, but these medications have severe adverse effects such as gastric ulcers, hypertension, hepatotoxicity and renal abnormalities which restrict their use in the treatment of RA; new RA treatments with minimal side-effects are urgently required. There is accumulating evidence that dietary polyphenols may show therapeutic efficacy in RA through their antioxidant, anti-inflammatory, apoptotic, and immunosuppressant activities and modulation of the tumor necrosis factor-α (TNF-α), interleukin (IL)-6, mitogen-activated protein kinase (MAPK), IL-1β, c-Jun N-terminal kinase (JNK), and nuclear factor κ light-chain-enhancer of activated B cell (NF-κB) pathways. While resveratrol, genistein, carnosol, epigallocatechin gallate, curcumin, kaempferol, and hydroxytyrosol have also been studied for the treatment of RA, the majority of data are derived from animal models. Here, we review the various pathways involved in the development of RA and the preclinical and clinical data supporting polyphenols as potential therapeutic agents in RA patients. Our review highlights that high-quality clinical studies are required to decisively establish the anti-rheumatic efficacy of polyphenolic compounds.
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Affiliation(s)
- Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India
| | - Keshav Mehta
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India
| | - Aayush Sehgal
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India
| | - Sukhbir Singh
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India
| | - Neelam Sharma
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India
| | - Amirhossein Ahmadi
- Faculty of Pharmacy, Mazandaran University of Medial Sciences, Sari, Iran
| | - Sandeep Arora
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
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26
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Chen L, Li S, Zhu J, You A, Huang X, Yi X, Xue M. Mangiferin prevents myocardial infarction-induced apoptosis and heart failure in mice by activating the Sirt1/FoxO3a pathway. J Cell Mol Med 2021; 25:2944-2955. [PMID: 33523605 PMCID: PMC7957271 DOI: 10.1111/jcmm.16329] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 01/04/2021] [Accepted: 01/15/2021] [Indexed: 02/06/2023] Open
Abstract
Myocardial infarction (MI) commonly leads to cardiomyocyte apoptosis and heart failure. Mangiferin is a natural glucosylxanthone extracted from mango fruits and leaves, which has anti-apoptotic and anti-inflammatory properties in experimental cardiovascular diseases. In the present study, we investigated the role and detailed mechanism of mangiferin in MI. We used ligation of the left anterior descending coronary artery to establish an MI model in vivo, and cardiomyocyte-specific Sirt1 knockout mice were used to identify the mechanism of mangiferin. For in vitro studies, oxygen and glucose deprivation (OGD) was used to mimic ischaemia in H9c2 cardiomyocytes. In mice, mangiferin treatment increased Sirt1 expression after MI, significantly reduced the infarct area, and prevented MI-induced apoptosis and heart failure. Mangiferin reduced OGD-induced cellular apoptosis in H9c2 cells. Meanwhile, Sirt1 knockout/silencing abolished the protective effects of mangiferin. Further studies revealed that mangiferin increased FoxO3a deacetylation by up-regulating Sirt1, thus preventing apoptosis, and adenovirus-mediated constitutive acetylation of FoxO3a restricted the anti-apoptotic effects of mangiferin in vivo and in vitro. Our results indicate that mangiferin prevents cardiomyocyte apoptosis and the subsequent heart failure by activating the Sirt1/FoxO3a pathway in MI, and suggest that mangiferin may have an interesting potential in following studies towards clinical evaluation.
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Affiliation(s)
- Lingli Chen
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Santie Li
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, China
| | - Jianyu Zhu
- Department of Traumatology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Anfu You
- Central Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xingzhou Huang
- Central Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xinchu Yi
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, China.,People's Hospital of Deyang City, Deyang, China
| | - Mei Xue
- Central Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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27
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Wang T, Wang J, Sun T, Li Y. Amelioration of Juglanin against LPS-Induced Activation of NLRP3 Inflammasome in Chondrocytes Mediated by SIRT1. Inflammation 2021; 44:1119-1129. [PMID: 33398541 DOI: 10.1007/s10753-020-01407-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 12/04/2020] [Accepted: 12/18/2020] [Indexed: 12/21/2022]
Abstract
Arthritis is characterized by irreversible joint destruction and presents a global health burden. Natural alternatives to synthetic drugs have been gaining popularity for their safety and effectiveness. Juglanin has demonstrated a range of anti-inflammatory effects in various tissues and cell types. However, the pharmacological function of Juglanin in arthritis and chondrocytes has been little studied. ATDC5 cells were treated with 1 μg/mL lipopolysaccharide (LPS) in the presence or absence of juglanin (2.5, 5 μM) for 24 h. The effects of juglanin on cellular nucleotide-binding domain leucin-rich repeat receptor 3 (NLRP3) inflammasome complex and endproduct interleukin 1β (IL-1β) and interleukin (IL-18) were assessed by reverse transcription-polymerase chain reaction (RT-PCR), enzyme-linked immunosorbent assay (ELISA), and Western blot experiments. The oxidative stress was measured by super oxide dismutase (SOD) activity and NADPH oxidase 4 (NOX4) expression. The dependent effect of juglanin on silent information regulator 2 homolog 1 (SIRT1) was evaluated by siRNA knockdown approach. Juglanin significantly reduced cellular oxidative stress by downregulating NOX4 expression production and rescuing the decreased activity of total SOD induced by LPS. Juglanin inhibited the activation of the TxNIP/NLRP3/ASC/caspase-1 axis, and decreased production of IL-1β and IL-18. Moreover, juglanin rescued the LPS-induced decrease in SIRT1 expression. SIRT1 silencing abolished the anti-NLRP3 inflammasome effect of juglanin, indicating that the effects of juglanin are dependent on its amelioration on SIRT1 expression. Juglanin possesses an anti-inflammatory and anti-ROS capacity in chondrocytes, and this study provides available evidence that juglanin may be of use in the treatment of arthritis.
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Affiliation(s)
- Tingting Wang
- Department of Geriatrics, The First Hospital of China Medical University, Shenyang, 110001, Liaoning, China
| | - Jiakai Wang
- Department of Rheumatology and Immunology, The First Hospital of China Medical University, No. 155 Nanjingbei Street, Heping District, Shenyang, 110001, Liaoning, China
| | - Tao Sun
- Department of Rheumatology and Immunology, The First Hospital of China Medical University, No. 155 Nanjingbei Street, Heping District, Shenyang, 110001, Liaoning, China
| | - Yishuo Li
- Department of Rheumatology and Immunology, The First Hospital of China Medical University, No. 155 Nanjingbei Street, Heping District, Shenyang, 110001, Liaoning, China.
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28
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Antiobesity effects of phytochemicals from an epigenetic perspective. Nutrition 2020; 84:111119. [PMID: 33476999 DOI: 10.1016/j.nut.2020.111119] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 12/07/2020] [Indexed: 02/06/2023]
Abstract
Obesity is an important cause of morbidity and mortality due to its close association with metabolic disorders including diabetes, cardiovascular diseases, and certain types of cancer. According to the Developmental Origins of Adult Health and Disease hypothesis, obesity is likely caused by epigenetic changes. Recent studies have shown an association between epigenetic dysregulation of certain genes and obesity. Due to their reversible characteristic, epigenetic dysregulations can be restored. Restoration of epigenetic dysregulation in obesity-related genes by epigenetic modifiers may be a new treatment option for obesity. Certain phytochemicals such as tea polyphenols, curcumin, genistein, isothiocyanates, and citrus isoflavonoids were shown to prevent weight gain. These phytochemicals are known for their antioxidant effects but they also modify epigenetic mechanisms. These phytochemicals may have a therapeutic potential in the management of obesity. The aim of this study was to review the epigenetic effects of certain phytochemicals on the expression of obesity-related genes.
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29
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Ullah H, De Filippis A, Santarcangelo C, Daglia M. Epigenetic regulation by polyphenols in diabetes and related complications. MEDITERRANEAN JOURNAL OF NUTRITION AND METABOLISM 2020. [DOI: 10.3233/mnm-200489] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Diabetes mellitus (DM) is a chronic metabolic disorder and one of the most challenging health problems worldwide. Left untreated, it may progress causing serious complications. Genetics, epigenetics, and environmental factors are known to play an overlapping role in the pathogenesis of DM. Growing evidence suggests the hypothesis that the environment induces changes in the early phases of growth and development, influencing health and disease in the adulthood through the alteration in genetic expression of an individual, at least in part. DNA methylation, histone modifications and miRNAs are three mechanisms responsible for epigenetic alterations. The daily diet contains a number of secondary metabolites, with polyphenols being highest in abundance, which contribute to overall health and may prevent or delay the onset of many chronic diseases. Polyphenols have the ability to alter metabolic and signaling pathways at various levels, such as gene expression, epigenetic regulation, protein expression and enzyme activity. The potential efficacy of polyphenolic compounds on glucose homeostasis has been evidenced from in vitro, in vivo and clinical studies. The present review is designed to focus on epigenetic regulation exerted by polyphenolic compounds in DM and their complications, as well as to summarize clinical trials involving polyphenols in DM.
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Affiliation(s)
- Hammad Ullah
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | - Anna De Filippis
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | | | - Maria Daglia
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang, China
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30
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Nutrition in Cancer Therapy in the Elderly-An Epigenetic Connection? Nutrients 2020; 12:nu12113366. [PMID: 33139626 PMCID: PMC7692262 DOI: 10.3390/nu12113366] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 10/22/2020] [Accepted: 10/28/2020] [Indexed: 02/06/2023] Open
Abstract
The continuous increase in life expectancy results in a steady increase of cancer risk, which consequently increases the population of older adults with cancer. Older adults have their age-related nutritional needs and often suffer from comorbidities that may affect cancer therapy. They frequently are malnourished and present advanced-stage cancer. Therefore, this group of patients requires a special multidisciplinary approach to optimize their therapy and increase quality of life impaired by aging, cancer, and the side effects of therapy. Evaluation strategies, taking advantage of comprehensive geriatric assessment tools, including the comprehensive geriatric assessment (CGA), can help individualize treatment. As epigenetics, an emerging element of the regulation of gene expression, is involved in both aging and cancer and the epigenetic profile can be modulated by the diet, it seems to be a candidate to assist with planning a nutritional intervention in elderly populations with cancer. In this review, we present problems associated with the diet and nutrition in the elderly undergoing active cancer therapy and provide some information on epigenetic aspects of aging and cancer transformation. Nutritional interventions modulating the epigenetic profile, including caloric restriction and basal diet with modifications (elimination diet, supplementary diet) are discussed as the ways to improve the efficacy of cancer therapy and maintain the quality of life of older adults with cancer.
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31
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Atlante A, Amadoro G, Bobba A, Latina V. Functional Foods: An Approach to Modulate Molecular Mechanisms of Alzheimer's Disease. Cells 2020; 9:E2347. [PMID: 33114170 PMCID: PMC7690784 DOI: 10.3390/cells9112347] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/15/2020] [Accepted: 10/21/2020] [Indexed: 12/13/2022] Open
Abstract
A new epoch is emerging with intense research on nutraceuticals, i.e., "food or food product that provides medical or health benefits including the prevention and treatment of diseases", such as Alzheimer's disease. Nutraceuticals act at different biochemical and metabolic levels and much evidence shows their neuroprotective effects; in particular, they are able to provide protection against mitochondrial damage, oxidative stress, toxicity of β-amyloid and Tau and cell death. They have been shown to influence the composition of the intestinal microbiota significantly contributing to the discovery that differential microorganisms composition is associated with the formation and aggregation of cerebral toxic proteins. Further, the routes of interaction between epigenetic mechanisms and the microbiota-gut-brain axis have been elucidated, thus establishing a modulatory role of diet-induced epigenetic changes of gut microbiota in shaping the brain. This review examines recent scientific literature addressing the beneficial effects of some natural products for which mechanistic evidence to prevent or slowdown AD are available. Even if the road is still long, the results are already exceptional.
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Affiliation(s)
- Anna Atlante
- Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies (IBIOM)-CNR, Via G. Amendola 122/O, 70126 Bari, Italy;
| | - Giuseppina Amadoro
- Institute of Translational Pharmacology (IFT)-CNR, Via Fosso del Cavaliere 100, 00133 Rome, Italy;
- European Brain Research Institute (EBRI), Viale Regina Elena 295, 00161 Rome, Italy;
| | - Antonella Bobba
- Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies (IBIOM)-CNR, Via G. Amendola 122/O, 70126 Bari, Italy;
| | - Valentina Latina
- European Brain Research Institute (EBRI), Viale Regina Elena 295, 00161 Rome, Italy;
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32
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Masubuchi Y, Nakahara J, Kikuchi S, Okano H, Takahashi Y, Takashima K, Koyanagi M, Maronpot RR, Yoshida T, Hayashi SM, Shibutani M. Continuous exposure to α-glycosyl isoquercitrin from developmental stages to adulthood is necessary for facilitating fear extinction learning in rats. J Toxicol Pathol 2020; 33:247-263. [PMID: 33239843 PMCID: PMC7677619 DOI: 10.1293/tox.2020-0025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 07/20/2020] [Indexed: 01/18/2023] Open
Abstract
We previously reported that exposure to α-glycosyl isoquercitrin (AGIQ) from the fetal
stage to adulthood facilitated fear extinction learning in rats. The present study
investigated the specific AGIQ exposure period sufficient for inducing this behavioral
effect. Rats were dietarily exposed to 0.5% AGIQ from the postweaning stage to adulthood
(PW-AGIQ), the fetal stage to postweaning stage (DEV-AGIQ), or the fetal stage to
adulthood (WP-AGIQ). Fear memory, anxiety-like behavior, and object recognition memory
were assessed during adulthood. Fear extinction learning was exclusively facilitated in
the WP-AGIQ rats. Synaptic plasticity-related genes showed a similar pattern of
constitutive expression changes in the hippocampal dentate gyrus and prelimbic medial
prefrontal cortex (mPFC) between the DEV-AGIQ and WP-AGIQ rats. However, WP-AGIQ rats
revealed more genes constitutively upregulated in the infralimbic mPFC and amygdala than
DEV-AGIQ rats, as well as FOS-immunoreactive(+) neurons constitutively
increased in the infralimbic cortex. Ninety minutes after the last fear extinction trial,
many synaptic plasticity-related genes (encoding Ephs/Ephrins, glutamate
receptors/transporters, and immediate-early gene proteins and their regulator,
extracellular signal-regulated kinase 2 [ERK2]) were upregulated in the dentate gyrus and
amygdala in WP-AGIQ rats. Additionally, WP-AGIQ rats exhibited increased phosphorylated
ERK1/2+ neurons in both the prelimbic and infralimbic cortices. These results
suggest that AGIQ exposure from the fetal stage to adulthood is necessary for facilitating
fear extinction learning. Furthermore, constitutive and learning-dependent upregulation of
synaptic plasticity-related genes/molecules may be differentially involved in brain
regions that regulate fear memory. Thus, new learning-related neural circuits for
facilitating fear extinction can be established in the mPFC.
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Affiliation(s)
- Yasunori Masubuchi
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan.,Pathogenetic Veterinary Science, United Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan
| | - Junta Nakahara
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
| | - Satomi Kikuchi
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan.,Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
| | - Hiromu Okano
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan.,Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
| | - Yasunori Takahashi
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan.,Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
| | - Kazumi Takashima
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan.,Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
| | - Mihoko Koyanagi
- Global Scientific and Regulatory Affairs, San-Ei Gen F.F.I., Inc., 1-1-11 Sanwa-cho, Toyonaka-shi, Osaka 561-8588, Japan
| | - Robert R Maronpot
- Maronpot Consulting, LLC, 1612 Medfield Road, Raleigh, North Carolina 27607, USA
| | - Toshinori Yoshida
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan.,Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
| | - Shim-Mo Hayashi
- Global Scientific and Regulatory Affairs, San-Ei Gen F.F.I., Inc., 1-1-11 Sanwa-cho, Toyonaka-shi, Osaka 561-8588, Japan
| | - Makoto Shibutani
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan.,Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan.,Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan
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33
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Číž M, Dvořáková A, Skočková V, Kubala L. The Role of Dietary Phenolic Compounds in Epigenetic Modulation Involved in Inflammatory Processes. Antioxidants (Basel) 2020; 9:antiox9080691. [PMID: 32756302 PMCID: PMC7464822 DOI: 10.3390/antiox9080691] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 07/18/2020] [Accepted: 07/20/2020] [Indexed: 01/09/2023] Open
Abstract
A better understanding of the interactions between dietary phenolic compounds and the epigenetics of inflammation may impact pathological conditions and their treatment. Phenolic compounds are well-known for their antioxidant, anti-inflammatory, anti-angiogenic, and anti-cancer properties, with potential benefits in the treatment of various human diseases. Emerging studies bring evidence that nutrition may play an essential role in immune system modulation also by altering gene expression. This review discusses epigenetic mechanisms such as DNA methylation, post-translational histone modification, and non-coding microRNA activity that regulate the gene expression of molecules involved in inflammatory processes. Special attention is paid to the molecular basis of NF-κB modulation by dietary phenolic compounds. The regulation of histone acetyltransferase and histone deacetylase activity, which all influence NF-κB signaling, seems to be a crucial mechanism of the epigenetic control of inflammation by phenolic compounds. Moreover, chronic inflammatory processes are reported to be closely connected to the major stages of carcinogenesis and other non-communicable diseases. Therefore, dietary phenolic compounds-targeted epigenetics is becoming an attractive approach for disease prevention and intervention.
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Affiliation(s)
- Milan Číž
- Institute of Biophysics of the Czech Academy of Sciences, 612 65 Brno, Czech Republic; (A.D.); (V.S.); (L.K.)
- Correspondence: ; Tel.: +420-541-517-104
| | - Adéla Dvořáková
- Institute of Biophysics of the Czech Academy of Sciences, 612 65 Brno, Czech Republic; (A.D.); (V.S.); (L.K.)
- Department of Experimental Biology, Faculty of Science, Masaryk University, 625 00 Brno, Czech Republic
| | - Veronika Skočková
- Institute of Biophysics of the Czech Academy of Sciences, 612 65 Brno, Czech Republic; (A.D.); (V.S.); (L.K.)
- Department of Experimental Biology, Faculty of Science, Masaryk University, 625 00 Brno, Czech Republic
| | - Lukáš Kubala
- Institute of Biophysics of the Czech Academy of Sciences, 612 65 Brno, Czech Republic; (A.D.); (V.S.); (L.K.)
- Department of Experimental Biology, Faculty of Science, Masaryk University, 625 00 Brno, Czech Republic
- International Clinical Research Center, St. Anne’s University Hospital, 656 91 Brno, Czech Republic
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34
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Sun C, Liu Y, Zhan L, Rayat GR, Xiao J, Jiang H, Li X, Chen K. Anti-diabetic effects of natural antioxidants from fruits. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.07.024] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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35
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Olive Leaf Polyphenols Attenuate the Clinical Course of Experimental Autoimmune Encephalomyelitis and Provide Neuroprotection by Reducing Oxidative Stress, Regulating Microglia and SIRT1, and Preserving Myelin Integrity. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:6125638. [PMID: 32802267 PMCID: PMC7415106 DOI: 10.1155/2020/6125638] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 06/24/2020] [Accepted: 07/01/2020] [Indexed: 12/20/2022]
Abstract
Numerous evidences suggest that plant polyphenols may have therapeutic benefits in regulating oxidative stress and providing neuroprotection in many neurodegenerative diseases, including multiple sclerosis (MS). However, these mechanisms are not yet completely understood. In this study, we investigated the effect of olive leaf polyphenols on oxidative stress through oxidation marker level and activity (TBARS, SOD, and GPX) and their protein expression (SOD1, SOD2, and GPX1), as well as the protein expression of Sirtuin 1 (SIRT1) and microglia markers (Iba-1, CD206, and iNOS) and myelin integrity (proteolipid protein expression) in the brain of rats with induced experimental autoimmune encephalomyelitis (EAE) and subjected to olive leaf therapy. Experiments were performed in male EAE DA rats, which were randomly divided into 2 main groups: EAE groups treated with the therapy of olive leaf (EAE+TOL) and untreated EAE control groups. The EAE treated groups consumed olive leaf tea instead of drinking water (ad libitum) from the beginning to the end of the experiment. In addition, olive leaf extract was injected intraperitoneally (i.p.) for the 10 continuous days and started on the 8th day after EAE induction. The clinical course was monitored in both groups until the 30th day after EAE induction. Our results demonstrated that TOL attenuated the clinical course of EAE; reduced the oxidative stress (by decreasing the concentration of MDA); upregulated antioxidant enzymes (SOD1, SOD2, and GPX1), SIRT1 (overall and microglial), and anti-inflammatory M2 microglia; downregulated proinflammatory M1 type; and preserved myelin integrity. These data support the idea that TOL may be an effective therapeutic approach for treating MS and other neurodegenerative diseases.
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Ghasemi E, Afzalpour ME, Nayebifar S. Combined high-intensity interval training and green tea supplementation enhance metabolic and antioxidant status in response to acute exercise in overweight women. J Physiol Sci 2020; 70:31. [PMID: 32586268 PMCID: PMC10718018 DOI: 10.1186/s12576-020-00756-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Accepted: 05/29/2020] [Indexed: 02/03/2023]
Abstract
Thirty sedentary overweight women were randomly assigned to three groups (n = 10), including HIIT + green tea, HIIT + placebo and green tea. The training program included 3 sessions/week HIIT while the supplement consuming groups took 3 * 500 mg of green tea tablets/day for 10 weeks. Results indicated that 10 weeks of HIIT and green tea meaningfully pronounced baseline serum levels of SIRT1 (P ≤ 0.0001), PGC-1α (P ≤ 0.0001) and CAT (P ≤ 0.0001). In addition, significant increase was observed in three indicators in HIIT + green tea group in comparison with two other research groups. Further, the responses of SIRT1 (P ≤ 0.01) and CAT (P ≤ 0.002) increased significantly to second acute exercise in all three groups. The combination of HIIT and green tea consumption may induce increasing SIRT1 and CAT in response to acute exercise and can improve antioxidant system, body composition and VO2 max results rather than green tea and training alone, in young sedentary overweight women.
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Affiliation(s)
- Elham Ghasemi
- Department of Sport Sciences, Faculty of Literature and Humanities, University of Zabol, Zabol, Iran
| | | | - Shila Nayebifar
- Department of Sport Sciences, Faculty of Educational Sciences and Psychology, University of Sistan and Baluchestan, Zahedan, Iran.
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37
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Khan H, Belwal T, Efferth T, Farooqi AA, Sanches-Silva A, Vacca RA, Nabavi SF, Khan F, Prasad Devkota H, Barreca D, Sureda A, Tejada S, Dacrema M, Daglia M, Suntar İ, Xu S, Ullah H, Battino M, Giampieri F, Nabavi SM. Targeting epigenetics in cancer: therapeutic potential of flavonoids. Crit Rev Food Sci Nutr 2020; 61:1616-1639. [PMID: 32478608 DOI: 10.1080/10408398.2020.1763910] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Irrespective of sex and age, cancer is the leading cause of mortality around the globe. Therapeutic incompliance, unwanted effects, and economic burdens imparted by cancer treatments, are primary health challenges. The heritable features in gene expression that are propagated through cell division and contribute to cellular identity without a change in DNA sequence are considered epigenetic characteristics and agents that could interfere with these features and are regarded as potential therapeutic targets. The genetic modification accounts for the recurrence and uncontrolled changes in the physiology of cancer cells. This review focuses on plant-derived flavonoids as a therapeutic tool for cancer, attributed to their ability for epigenetic regulation of cancer pathogenesis. The epigenetic mechanisms of various classes of flavonoids including flavonols, flavones, isoflavones, flavanones, flavan-3-ols, and anthocyanidins, such as cyanidin, delphinidin, and pelargonidin, are discussed. The outstanding results of preclinical studies encourage researchers to design several clinical trials on various flavonoids to ascertain their clinical strength in the treatment of different cancers. The results of such studies will define the clinical fate of these agents in future.
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Affiliation(s)
- Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan, Pakistan
| | - Tarun Belwal
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Ammad Ahmad Farooqi
- Laboratory for Translational Oncology and Personalized Medicine, Rashid Latif Medical College, Lahore, Pakistan
| | - Ana Sanches-Silva
- National Institute for Agricultural and Veterinary Research (INIAV), Porto, Portugal.,Center for Study in Animal Science (CECA), ICETA, University of Porto, Porto, Portugal
| | - Rosa Anna Vacca
- Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies, National Council of Research, Bari, Italy
| | - Seyed Fazel Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Fazlullah Khan
- Department of Toxicology and Pharmacology, The Institute of Pharmaceutical Sciences (TIPS), School of Pharmacy, International Campus, Tehran University of Medical Sciences, Tehran, Iran
| | - Hari Prasad Devkota
- Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan
| | - Davide Barreca
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Antoni Sureda
- Research Group on Community Nutrition and Oxidative Stress (NUCOX), Health Research Institute of the Balearic Islands (IdISBa) and CIBEROBN (Physiopathology of Obesity and Nutrition), University of Balearic Islands, Palma de Mallorca, Balearic Islands, Spain
| | - Silvia Tejada
- Laboratory of neurophysiology, Biology Department, Health Research Institute of the Balearic Islands (IdISBa) and CIBEROBN (Physiopathology of Obesity and Nutrition), University of the Balearic Islands, Palma de Mallorca, Spain
| | - Marco Dacrema
- Department of Drug Sciences, Medicinal Chemistry and Pharmaceutical Technology Section, University of Pavia, Pavia, Italy
| | - Maria Daglia
- Department of Drug Sciences, Medicinal Chemistry and Pharmaceutical Technology Section, University of Pavia, Pavia, Italy
| | - İpek Suntar
- Deparment of Pharmacognosy, Faculty of Pharmacy, Gazi University, Etiler, Ankara, Turkey
| | - Suowen Xu
- Aab Cardiovascular Research Institute, University of Rochester, Rochester, New York, USA
| | - Hammad Ullah
- Department of Pharmacy, Abdul Wali Khan University, Mardan, Pakistan
| | - Maurizio Battino
- Nutrition and Food Science Group, Department of Analytical and Food Chemistry, CITACA, CACTI, University of Vigo, Vigo Campus, Vigo, Spain.,Department of Clinical Sciences, Università Politecnica delle Marche, Ancona, Italy.,International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang, China
| | - Francesca Giampieri
- Nutrition and Food Science Group, Department of Analytical and Food Chemistry, CITACA, CACTI, University of Vigo, Vigo Campus, Vigo, Spain.,Department of Clinical Sciences, Università Politecnica delle Marche, Ancona, Italy.,College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, China
| | - Seyed Mohammad Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
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38
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Sorrenti V, Fortinguerra S, Caudullo G, Buriani A. Deciphering the Role of Polyphenols in Sports Performance: From Nutritional Genomics to the Gut Microbiota toward Phytonutritional Epigenomics. Nutrients 2020; 12:nu12051265. [PMID: 32365576 PMCID: PMC7281972 DOI: 10.3390/nu12051265] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 04/24/2020] [Accepted: 04/27/2020] [Indexed: 02/07/2023] Open
Abstract
The individual response to nutrients and non-nutrient molecules can be largely affected by three important biological layers. The gut microbiome can alter the bioavailability of nutrients and other substances, the genome can influence molecule kinetics and dynamics, while the epigenome can modulate or amplify the properties of the genome. Today the use of omic techniques and bioinformatics, allow the construction of individual multilayer networks and thus the identification of personalized strategies that have recently been considered in all medical fields, including sports medicine. The composition of each athlete’s microbiome influences sports performance both directly by acting on energy metabolism and indirectly through the modulation of nutrient or non-nutrient molecule availability that ultimately affects the individual epigenome and the genome. Among non-nutrient molecules polyphenols can potentiate physical performances through different epigenetic mechanisms. Polyphenols interact with the gut microbiota, undergoing extensive metabolism to produce bioactive molecules, which act on transcription factors involved in mitochondrial biogenesis, antioxidant systems, glucose and lipid homeostasis, and DNA repair. This review focuses on polyphenols effects in sports performance considering the individual microbiota, epigenomic asset, and the genomic characteristics of athletes to understand how their supplementation could potentially help to modulate muscle inflammation and improve recovery.
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Affiliation(s)
- Vincenzo Sorrenti
- Department of Pharmaceutical & Pharmacological Sciences, University of Padova, 35131 Padova, Italy
- Bendessere™ Study Center, Solgar Italia Multinutrient S.p.A., 35131 Padova, Italy; (S.F.); (G.C.); (A.B.)
- Maria Paola Belloni Center for Personalized Medicine, Data Medica Group (Synlab Limited), 35100 Padova, Italy
- Correspondence:
| | - Stefano Fortinguerra
- Bendessere™ Study Center, Solgar Italia Multinutrient S.p.A., 35131 Padova, Italy; (S.F.); (G.C.); (A.B.)
- Maria Paola Belloni Center for Personalized Medicine, Data Medica Group (Synlab Limited), 35100 Padova, Italy
| | - Giada Caudullo
- Bendessere™ Study Center, Solgar Italia Multinutrient S.p.A., 35131 Padova, Italy; (S.F.); (G.C.); (A.B.)
| | - Alessandro Buriani
- Bendessere™ Study Center, Solgar Italia Multinutrient S.p.A., 35131 Padova, Italy; (S.F.); (G.C.); (A.B.)
- Maria Paola Belloni Center for Personalized Medicine, Data Medica Group (Synlab Limited), 35100 Padova, Italy
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Momtaz S, Memariani Z, El-Senduny FF, Sanadgol N, Golab F, Katebi M, Abdolghaffari AH, Farzaei MH, Abdollahi M. Targeting Ubiquitin-Proteasome Pathway by Natural Products: Novel Therapeutic Strategy for Treatment of Neurodegenerative Diseases. Front Physiol 2020; 11:361. [PMID: 32411012 PMCID: PMC7199656 DOI: 10.3389/fphys.2020.00361] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 03/27/2020] [Indexed: 12/11/2022] Open
Abstract
Misfolded proteins are the main common feature of neurodegenerative diseases, thereby, normal proteostasis is an important mechanism to regulate the neural survival and the central nervous system functionality. The ubiquitin-proteasome system (UPS) is a non-lysosomal proteolytic pathway involved in numerous normal functions of the nervous system, modulation of neurotransmitter release, synaptic plasticity, and recycling of membrane receptors or degradation of damaged and regulatory intracellular proteins. Aberrant accumulation of intracellular ubiquitin-positive inclusions has been implicated to a variety of neurodegenerative disorders such as Alzheimer's disease (AD), Parkinson's disease (PD), Huntington disease (HD), Amyotrophic Lateral Sclerosis (ALS), and Multiple Myeloma (MM). Genetic mutation in deubiquitinating enzyme could disrupt UPS and results in destructive effects on neuron survival. To date, various agents were characterized with proteasome-inhibitory potential. Proteins of the ubiquitin-proteasome system, and in particular, E3 ubiquitin ligases, may be promising molecular targets for neurodegenerative drug discovery. Phytochemicals, specifically polyphenols (PPs), were reported to act as proteasome-inhibitors or may modulate the proteasome activity. PPs modify the UPS by means of accumulation of ubiquitinated proteins, suppression of neuronal apoptosis, reduction of neurotoxicity, and improvement of synaptic plasticity and transmission. This is the first comprehensive review on the effect of PPs on UPS. Here, we review the recent findings describing various aspects of UPS dysregulation in neurodegenerative disorders. This review attempts to summarize the latest reports on the neuroprotective properties involved in the proper functioning of natural polyphenolic compounds with implication for targeting ubiquitin-proteasome pathway in the neurodegenerative diseases. We highlight the evidence suggesting that polyphenolic compounds have a dose and disorder dependent effects in improving neurological dysfunctions, and so their mechanism of action could stimulate the UPS, induce the protein degradation or inhibit UPS and reduce protein degradation. Future studies should focus on molecular mechanisms by which PPs can interfere this complex regulatory system at specific stages of the disease development and progression.
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Affiliation(s)
- Saeideh Momtaz
- Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Karaj, Iran.,Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran.,Gastrointestinal Pharmacology Interest Group, Universal Scientific Education and Research Network, Tehran, Iran
| | - Zahra Memariani
- Traditional Medicine and History of Medical Sciences Research Center, Health Research Center, Babol University of Medical Sciences, Babol, Iran
| | | | - Nima Sanadgol
- Department of Biology, Faculty of Sciences, University of Zabol, Zabol, Iran.,Department of Biomolecular Sciences, School of Pharmaceutical Sciences, University of São Paulo, Ribeirão Preto, Brazil
| | - Fereshteh Golab
- Cellular and Molecular Research Center, Iran University of Medical Science, Tehran, Iran
| | - Majid Katebi
- Department of Anatomy, Faculty of Medicine, Hormozgan University of Medical Sciences, Hormozgan, Iran
| | - Amir Hossein Abdolghaffari
- Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Karaj, Iran.,Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran.,Gastrointestinal Pharmacology Interest Group, Universal Scientific Education and Research Network, Tehran, Iran.,Department of Toxicology & Pharmacology, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mohammad Hosein Farzaei
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohammad Abdollahi
- Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran.,Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
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40
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Brunetti G, Di Rosa G, Scuto M, Leri M, Stefani M, Schmitz-Linneweber C, Calabrese V, Saul N. Healthspan Maintenance and Prevention of Parkinson's-like Phenotypes with Hydroxytyrosol and Oleuropein Aglycone in C. elegans. Int J Mol Sci 2020; 21:ijms21072588. [PMID: 32276415 PMCID: PMC7178172 DOI: 10.3390/ijms21072588] [Citation(s) in RCA: 102] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/03/2020] [Accepted: 04/07/2020] [Indexed: 12/22/2022] Open
Abstract
Numerous studies highlighted the beneficial effects of the Mediterranean diet (MD) in maintaining health, especially during ageing. Even neurodegeneration, which is part of the natural ageing process, as well as the foundation of ageing-related neurodegenerative disorders like Alzheimer’s and Parkinson’s disease (PD), was successfully targeted by MD. In this regard, olive oil and its polyphenolic constituents have received increasing attention in the last years. Thus, this study focuses on two main olive oil polyphenols, hydroxytyrosol (HT) and oleuropein aglycone (OLE), and their effects on ageing symptoms with special attention to PD. In order to avoid long-lasting, expensive, and ethically controversial experiments, the established invertebrate model organism Caenorhabditis elegans was used to test HT and OLE treatments. Interestingly, both polyphenols were able to increase the survival after heat stress, but only HT could prolong the lifespan in unstressed conditions. Furthermore, in aged worms, HT and OLE caused improvements of locomotive behavior and the attenuation of autofluorescence as a marker for ageing. In addition, by using three different C. elegans PD models, HT and OLE were shown i) to enhance locomotion in worms suffering from α-synuclein-expression in muscles or rotenone exposure, ii) to reduce α-synuclein accumulation in muscles cells, and iii) to prevent neurodegeneration in α-synuclein-containing dopaminergic neurons. Hormesis, antioxidative capacities and an activity-boost of the proteasome & phase II detoxifying enzymes are discussed as potential underlying causes for these beneficial effects. Further biological and medical trials are indicated to assess the full potential of HT and OLE and to uncover their mode of action.
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Affiliation(s)
- Giovanni Brunetti
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (G.B.); (G.D.R.); (M.S.)
| | - Gabriele Di Rosa
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (G.B.); (G.D.R.); (M.S.)
| | - Maria Scuto
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (G.B.); (G.D.R.); (M.S.)
| | - Manuela Leri
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.L.); (M.S.)
- Department of Neuroscience, Psychology, Area of Medicine and Health of the Child of the University of Florence, Viale Pieraccini, 6 - 50139 Florence, Italy
| | - Massimo Stefani
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.L.); (M.S.)
| | - Christian Schmitz-Linneweber
- Humboldt University of Berlin, Faculty of Life Sciences, Institute of Biology, Molecular Genetics Group, Philippstr. 13, House 22, 10115 Berlin, Germany;
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (G.B.); (G.D.R.); (M.S.)
- Correspondence: (V.C.); (N.S.)
| | - Nadine Saul
- Humboldt University of Berlin, Faculty of Life Sciences, Institute of Biology, Molecular Genetics Group, Philippstr. 13, House 22, 10115 Berlin, Germany;
- Correspondence: (V.C.); (N.S.)
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41
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González I, Morales MA, Rojas A. Polyphenols and AGEs/RAGE axis. Trends and challenges. Food Res Int 2020; 129:108843. [PMID: 32036875 DOI: 10.1016/j.foodres.2019.108843] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 11/07/2019] [Accepted: 11/18/2019] [Indexed: 02/07/2023]
Abstract
The formation of advanced glycation end-products (AGEs) is a key pathophysiological event linked not only to the onset and progression of diabetic complications, but also to neurodegeneration, cardiovascular diseases, cancer, and others important human diseases. AGEs contributions to pathophysiology are mainly through the formation of cross-links and by engaging the receptor for advanced glycation end-products (RAGE). Polyphenols are secondary metabolites found largely in fruits, vegetables, cereals, and beverages, and during many years, important efforts have been made to elucidate their beneficial effects on human health, mainly ascribed to their antioxidant activities. In the present review, we highlighted the beneficial actions of polyphenols aimed to diminish the harmful consequences of advanced glycation, mainly by the inhibition of ROS formation during glycation, the inhibition of Schiff base, Amadori products, and subsequent dicarbonyls group formation, the activation of the glyoxalase system, as well as by blocking either AGEs-RAGE interaction or cell signaling.
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Affiliation(s)
- Ileana González
- Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule, Talca, Chile
| | - Miguel A Morales
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, University of Chile, Santiago, Chil
| | - Armando Rojas
- Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule, Talca, Chile.
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Leri M, Scuto M, Ontario ML, Calabrese V, Calabrese EJ, Bucciantini M, Stefani M. Healthy Effects of Plant Polyphenols: Molecular Mechanisms. Int J Mol Sci 2020; 21:E1250. [PMID: 32070025 PMCID: PMC7072974 DOI: 10.3390/ijms21041250] [Citation(s) in RCA: 225] [Impact Index Per Article: 56.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 02/08/2020] [Accepted: 02/10/2020] [Indexed: 02/08/2023] Open
Abstract
The increasing extension in life expectancy of human beings in developed countries is accompanied by a progressively greater rate of degenerative diseases associated with lifestyle and aging, most of which are still waiting for effective, not merely symptomatic, therapies. Accordingly, at present, the recommendations aimed at reducing the prevalence of these conditions in the population are limited to a safer lifestyle including physical/mental exercise, a reduced caloric intake, and a proper diet in a convivial environment. The claimed health benefits of the Mediterranean and Asian diets have been confirmed in many clinical trials and epidemiological surveys. These diets are characterized by several features, including low meat consumption, the intake of oils instead of fats as lipid sources, moderate amounts of red wine, and significant amounts of fresh fruit and vegetables. In particular, the latter have attracted popular and scientific attention for their content, though in reduced amounts, of a number of molecules increasingly investigated for their healthy properties. Among the latter, plant polyphenols have raised remarkable interest in the scientific community; in fact, several clinical trials have confirmed that many health benefits of the Mediterranean/Asian diets can be traced back to the presence of significant amounts of these molecules, even though, in some cases, contradictory results have been reported, which highlights the need for further investigation. In light of the results of these trials, recent research has sought to provide information on the biochemical, molecular, epigenetic, and cell biology modifications by plant polyphenols in cell, organismal, animal, and human models of cancer, metabolic, and neurodegenerative pathologies, notably Alzheimer's and Parkinson disease. The findings reported in the last decade are starting to help to decipher the complex relations between plant polyphenols and cell homeostatic systems including metabolic and redox equilibrium, proteostasis, and the inflammatory response, establishing an increasingly solid molecular basis for the healthy effects of these molecules. Taken together, the data currently available, though still incomplete, are providing a rationale for the possible use of natural polyphenols, or their molecular scaffolds, as nutraceuticals to contrast aging and to combat many associated pathologies.
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Affiliation(s)
- Manuela Leri
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.L.); (M.B.); (M.S.)
- Department of Neuroscience, Psychology, Drug Research and Child Health, University of Firenze, 50139 Florence, Italy
| | - Maria Scuto
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia, 97-95125 Catania, Italy; (M.S.); (M.L.O.); (V.C.)
| | - Maria Laura Ontario
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia, 97-95125 Catania, Italy; (M.S.); (M.L.O.); (V.C.)
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia, 97-95125 Catania, Italy; (M.S.); (M.L.O.); (V.C.)
| | - Edward J. Calabrese
- Department of Environmental Health Sciences, School of Public Health and Health Science, University of Massachusetts, Amherst, MA 01003, USA
| | - Monica Bucciantini
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.L.); (M.B.); (M.S.)
| | - Massimo Stefani
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.L.); (M.B.); (M.S.)
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43
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Chen MQ, Yao KW, Liu ZJ, Feng XX, Xiao Y. Xuefu Zhuyu Oral Liquid () Prevents Apoptosis of Ischemic Myocardium Cells in Rats by Regulating SIRT1 and Its Pathway-Related Genes. Chin J Integr Med 2019; 26:442-447. [PMID: 31872370 DOI: 10.1007/s11655-019-3076-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/03/2017] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To observe the changes of ischemic myocardial cells apoptosis in rats following intervention with Xuefu Zhuyu Oral Liquid (, XFZY), as well as changes of protein expression of silent information regulator 1 (SIRT1) and SIRT1 pathway-related genes. METHODS H9c2 rat myocardial cells were divided into 6 groups: control group, oxygen glucose deprivation (OGD) group, SIRT1 siRNA group, OGD+SIRT1 siRNA group, OGD+XFZY group, and OGD+SIRT1 siRNA+XFZY group. Quantitative fluorescent polymerase chain reaction (PCR) and Western blot were used to detect the concentration variations of SIRT1 and its pathway-related genes and corresponding protein expression after XFZY intervention and SIRT1 transfection. RESULTS Compared with the control group, the mRNA and protein expressions of SIRT1 were decreased obviously, while the mRNA and protein levels of P53, FoxO1, FoxO3, FoxO4 and nuclear factor kappa B (NF-ΚB) were increased in the OGD group, SIRT1 siRNA group, and OGD+SIRT1 siRNA group (P<0.01). Compared with the OGD group and OGD+SIRT1 siRNA group, the treatment of XFZY inhibited the decline in SIRT1 mRNA and protein expressions (P<0.01), and down-regulated the mRNA and protein levels of P53, FoxO1, FoxO3, FoxO4 and NF-ΚB, respectively (P<0.05 or P<0.01). CONCLUSION XFZY could prevent myocardial cells apoptosis probably by increasing the mRNA and protein expressions of SIRT1 and inhibiting the mRNA and protein expressions of P53, NF- K B, FoxO1, FoxO3 and FoxO4.
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Affiliation(s)
- Meng-Qian Chen
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China
| | - Kui-Wu Yao
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China.
| | - Zhang-Jing Liu
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China
| | - Xiao-Xiao Feng
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China
| | - Ye Xiao
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China
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44
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Villa-Rodriguez JA, Ifie I, Gonzalez-Aguilar GA, Roopchand DE. The Gastrointestinal Tract as Prime Site for Cardiometabolic Protection by Dietary Polyphenols. Adv Nutr 2019; 10:999-1011. [PMID: 31144710 PMCID: PMC6855987 DOI: 10.1093/advances/nmz038] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 12/14/2018] [Accepted: 03/19/2019] [Indexed: 02/07/2023] Open
Abstract
Substantial evidence from nutritional epidemiology links polyphenol-rich diets with reduced incidence of chronic disorders; however, biological mechanisms underlying polyphenol-disease relations remain enigmatic. Emerging evidence is beginning to unmask the contribution of the gastrointestinal tract on whole-body energy homeostasis, suggesting that the intestine may be a prime target for intervention and a fundamental site for the metabolic actions of polyphenols. During their transit through the gastrointestinal tract, polyphenols may activate enteric nutrient sensors ensuing appropriate responses from other peripheral organs to regulate metabolic homeostasis. Furthermore, polyphenols can modulate the absorption of glucose, attenuating exaggerated hormonal responses and metabolic imbalances. Polyphenols that escape absorption are metabolized by the gut microbiota and the resulting catabolites may act locally, activating nuclear receptors that control enteric functions such as intestinal permeability. Finally, polyphenols modulate gut microbial ecology, which can have profound effects on cardiometabolic health.
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Affiliation(s)
- Jose A Villa-Rodriguez
- Institute for Food, Nutrition, and Health, Center for Nutrition, Microbiome, and Health, Rutgers, The State University of New Jersey, New Brunswick, NJ,Address correspondence to JAV-R (e-mail: )
| | - Idolo Ifie
- Department of Food Science and Technology, Delta State University, Abraka, Nigeria
| | - Gustavo A Gonzalez-Aguilar
- Coordinación de Tecnología de Alimentos de Origen Vegetal, Centro de Investigación en Alimentación y Desarrollo A. C., Sonora, Mexico
| | - Diana E Roopchand
- Institute for Food, Nutrition, and Health, Center for Nutrition, Microbiome, and Health, Rutgers, The State University of New Jersey, New Brunswick, NJ,Address correspondence to DER (e-mail: )
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45
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Samodien E, Pheiffer C, Erasmus M, Mabasa L, Louw J, Johnson R. Diet-induced DNA methylation within the hypothalamic arcuate nucleus and dysregulated leptin and insulin signaling in the pathophysiology of obesity. Food Sci Nutr 2019; 7:3131-3145. [PMID: 31660128 PMCID: PMC6804761 DOI: 10.1002/fsn3.1169] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 07/18/2019] [Accepted: 07/24/2019] [Indexed: 12/24/2022] Open
Abstract
Obesity rates continue to rise in an unprecedented manner in what could be the most rapid population‐scale shift in human phenotype ever to occur. Increased consumption of unhealthy, calorie‐dense foods, coupled with sedentary lifestyles, is the main factor contributing to a positive energy balance and the development of obesity. Leptin and insulin are key hormones implicated in pathogenesis of this disorder and are crucial for controlling whole‐body energy homeostasis. Their respective function is mediated by the counterbalance of anorexigenic and orexigenic neurons located within the hypothalamic arcuate nucleus. Dysregulation of leptin and insulin signaling pathways within this brain region may contribute not only to the development of obesity, but also systemically affect the peripheral organs, thereby manifesting as metabolic diseases. Although the exact mechanisms detailing how these hypothalamic nuclei contribute to disease pathology are still unclear, increasing evidence suggests that altered DNA methylation may be involved. This review evaluates animal studies that have demonstrated diet‐induced DNA methylation changes in genes that regulate energy homeostasis within the arcuate nucleus, and elucidates possible mechanisms causing hypothalamic leptin and insulin resistance leading to the development of obesity and metabolic diseases.
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Affiliation(s)
- Ebrahim Samodien
- Biomedical Research and Innovation Platform South African Medical Research Council. Tygerberg Cape Town South Africa
| | - Carmen Pheiffer
- Biomedical Research and Innovation Platform South African Medical Research Council. Tygerberg Cape Town South Africa.,Department of Medical Physiology Stellenbosch University Tygerberg South Africa
| | - Melisse Erasmus
- Biomedical Research and Innovation Platform South African Medical Research Council. Tygerberg Cape Town South Africa.,Department of Medical Physiology Stellenbosch University Tygerberg South Africa
| | - Lawrence Mabasa
- Biomedical Research and Innovation Platform South African Medical Research Council. Tygerberg Cape Town South Africa
| | - Johan Louw
- Biomedical Research and Innovation Platform South African Medical Research Council. Tygerberg Cape Town South Africa.,Department of Biochemistry and Microbiology University of Zululand KwaDlangezwa South Africa
| | - Rabia Johnson
- Biomedical Research and Innovation Platform South African Medical Research Council. Tygerberg Cape Town South Africa.,Department of Medical Physiology Stellenbosch University Tygerberg South Africa
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46
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Rahimi P, Mesbah-Namin SA, Ostadrahimi A, Separham A, Asghari Jafarabadi M. Betalain- and betacyanin-rich supplements’ impacts on the PBMC SIRT1 and LOX1 genes expression and Sirtuin-1 protein levels in coronary artery disease patients: A pilot crossover clinical trial. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.06.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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47
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Propolis Reduces the Expression of Autophagy-Related Proteins in Chondrocytes under Interleukin-1β Stimulus. Int J Mol Sci 2019; 20:ijms20153768. [PMID: 31374866 PMCID: PMC6695581 DOI: 10.3390/ijms20153768] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 07/29/2019] [Accepted: 07/30/2019] [Indexed: 12/19/2022] Open
Abstract
Background: Osteoarthritis (OA) is a progressive and multifactorial disease that is associated with aging. A number of changes occur in aged cartilage, such as increased oxidative stress, decreased markers of healthy cartilage, and alterations in the autophagy pathway. Propolis extracts contain a mixture of polyphenols and it has been proved that they have high antioxidant capacity and could regulate the autophagic pathway. Our objective was to evaluate the effect of ethanolic extract of propolis (EEP) on chondrocytes that were stimulated with IL-1β. Methods: Rabbit chondrocytes were isolated and stimulated with IL-1β and treated with EEP. We evaluated cell viability, nitric oxide production, healthy cartilage, and OA markers, and the expression of three proteins associated with the autophagy pathway LC3, ATG5, and AKT1. Results: The EEP treatment reduces the expression of LC3, ATG5, and AKT1, reduces the production of nitric oxide, increases the expression of healthy markers, and reduces OA markers. Conclusions: These results suggest that treatment with EEP in chondrocytes that were stimulated with IL-1β has beneficial effects, such as a decrease in the expression of proteins associated with autophagy, MMP13, and production of nitric oxide, and also increased collagen II.
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48
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Khan H, Sureda A, Belwal T, Çetinkaya S, Süntar İ, Tejada S, Devkota HP, Ullah H, Aschner M. Polyphenols in the treatment of autoimmune diseases. Autoimmun Rev 2019; 18:647-657. [PMID: 31059841 PMCID: PMC6588481 DOI: 10.1016/j.autrev.2019.05.001] [Citation(s) in RCA: 120] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Accepted: 01/03/2019] [Indexed: 02/06/2023]
Abstract
In addition to protecting body from infections and diseases, the immune system produces auto-antibodies that can cause complex autoimmune disorders, such as Type I diabetes, primary biliary cirrhosis, rheumatoid arthritis, and multiple sclerosis, to name a few. In such cases, the immune system fails to recognize between foreign agents and its own body cells. Different factors, such as genetic factors (CD25, STAT4), epigenetic factors (DNA methylation, histone modifications) and environmental factors (xenobiotics, drugs, hormones) trigger autoimmunity. Glucocorticoids, non-steroidal anti-inflammatory drugs (NSAIDs), immunosuppressive and biological agents are currently used to manage autoimmune diseases of different origins. However, complete cure remains elusive. Many dietary and natural products including polyphenols have been widely studied as possible alternative treatment strategies for the management of autoimmune disorders. Polyphenols possess a wide-range of pharmacological and therapeutic properties, including antioxidant and anti-inflammatory activities. As immunomodulatory agents, polyphenols are emerging pharmaceutical tools for management of various autoimmune disorders including vitiligo, ulcerative colitis and multiple sclerosis (MS). Polyphenols activate intracellular pathways such as arachidonic acid dependent pathway, nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) signaling pathway, mitogen-activated protein kinases (MAPKs) pathway, phosphatidylinositol 3-kinase/protein kinase B (PI3K/Akt) signaling pathway and epigenetic modulation, which regulate the host's immune response. This timely review discusses putative points of action of polyphenols in autoimmune diseases, characterizing their efficacy and safety as therapeutic agents in managing autoimmune disorders.
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Affiliation(s)
- Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan, 23200, KPK, Pakistan; University of Balearic Islands, E-07122 Palma de Mallorca, Spain.
| | - Antoni Sureda
- Research Group on Community Nutrition and Oxidative Stress, University of Balearic Islands & CIBEROBN (Physiopathology of Obesity and Nutrition CB12/03/30038), University of the Balearic Islands, E-07122 Palma de Mallorca, Spain
| | - Tarun Belwal
- G.B. Pant National Institute of Himalayan Environment and Sustainable Development, Kosi-Katarmal, Almora, Uttarakhand, India
| | - Sümeyra Çetinkaya
- Biotechnology Research Center of Ministry of Agriculture and Forestry, 06330, Yenimahalle, Ankara, Turkey
| | - İpek Süntar
- Department of Pharmacognosy Faculty of Pharmacy Gazi University, 06330 Etiler Ankara, Turkey
| | - Silvia Tejada
- Laboratory of neurophysiology, Biology Department & CIBEROBN (Physiopathology of Obesity and Nutrition CB12/03/30038), University of the Balearic Islands, E-07122 Palma de Mallorca, Spain
| | - Hari Prasad Devkota
- School of Pharmacy, Kumamoto University, 5-1 Oe-honmachi, Chuo ku, Kumamoto 862-0973, Japan; Program for Leading Graduate Schools, Health life science: Interdisciplinary and Glocal Oriented (HIGO) Program, Kumamoto University, Kumamoto, Japan
| | - Hammad Ullah
- Department of Pharmacy, Abdul Wali Khan University, Mardan, 23200, KPK, Pakistan
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
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49
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Liu S, Sui Q, Zhao Y, Chang X. Lonicera caerulea Berry Polyphenols Activate SIRT1, Enhancing Inhibition of Raw264.7 Macrophage Foam Cell Formation and Promoting Cholesterol Efflux. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:7157-7166. [PMID: 31146527 DOI: 10.1021/acs.jafc.9b02045] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Lonicera caerulea berry polyphenols (LCBP) are known to reduce cholesterol accumulation. Currently, it is unknown whether LCBP can activate Sirtuin 1 (SIRT1) to regulate the formation of RAW264.7 macrophage foam cells. In this study, the effect of LCBP on lipid accumulation in macrophages was evaluated. Fluorescently labeled ox-LDL and 25-NBD cholesterol were used to detect the ox-LDL uptake and cholesterol outflow rate from macrophages. Gene silencing was performed using siRNA to detect changes in the expression of the ATP-binding cassette transporter A1 (ABCA1), sterol regulatory element-binding protein 2 (SREBP2), and SIRT1 proteins using Western blotting, and changes in the expression of miR-33 were detected by real-time polymerase chain reaction. The results showed that treatment with 80 μg/mL LCBP significantly inhibited the accumulation of lipids in RAW264.7 macrophages induced by ox-LDL and reduced intracellular cholesterol levels by activating SIRT1 to enhance the expression of ABCA1, a cholesterol efflux gene, but not independent effect. Of the three key LCBP components investigated, chlorogenic acid was found to activate SIRT1 and regulate the expression of the cholesterol-related factors ABCA1, SREBP2, and miR-33; cyanidin-3-glucoside and catechins were effective to a lesser extent. Our results suggest a novel hypolipidemic mechanism of LCBP.
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Affiliation(s)
- Suwen Liu
- College of Food Science & Technology , Hebei Normal University of Science and Technology , Qinhuangdao , Hebei 066004 , China
| | - Qianqian Sui
- College of Food Science & Technology , Hebei Normal University of Science and Technology , Qinhuangdao , Hebei 066004 , China
| | - Yanxue Zhao
- College of Food Science & Technology , Hebei Normal University of Science and Technology , Qinhuangdao , Hebei 066004 , China
| | - Xuedong Chang
- College of Food Science & Technology , Hebei Normal University of Science and Technology , Qinhuangdao , Hebei 066004 , China
- Hebei Yanshan Special Industrial Technology Research Institute , Qinhuangdao , Hebei 066004 , China
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50
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Gadecka A, Bielak-Zmijewska A. Slowing Down Ageing: The Role of Nutrients and Microbiota in Modulation of the Epigenome. Nutrients 2019; 11:nu11061251. [PMID: 31159371 PMCID: PMC6628342 DOI: 10.3390/nu11061251] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 05/27/2019] [Accepted: 05/28/2019] [Indexed: 12/13/2022] Open
Abstract
The human population is getting ageing. Both ageing and age-related diseases are correlated with an increased number of senescent cells in the organism. Senescent cells do not divide but are metabolically active and influence their environment by secreting many proteins due to a phenomenon known as senescence associated secretory phenotype (SASP). Senescent cells differ from young cells by several features. They possess more damaged DNA, more impaired mitochondria and an increased level of free radicals that cause the oxidation of macromolecules. However, not only biochemical and structural changes are related to senescence. Senescent cells have an altered chromatin structure, and in consequence, altered gene expression. With age, the level of heterochromatin decreases, and less condensed chromatin is more prone to DNA damage. On the one hand, some gene promoters are easily available for the transcriptional machinery; on the other hand, some genes are more protected (locally increased level of heterochromatin). The structure of chromatin is precisely regulated by the epigenetic modification of DNA and posttranslational modification of histones. The methylation of DNA inhibits transcription, histone methylation mostly leads to a more condensed chromatin structure (with some exceptions) and acetylation plays an opposing role. The modification of both DNA and histones is regulated by factors present in the diet. This means that compounds contained in daily food can alter gene expression and protect cells from senescence, and therefore protect the organism from ageing. An opinion prevailed for some time that compounds from the diet do not act through direct regulation of the processes in the organism but through modification of the physiology of the microbiome. In this review we try to explain the role of some food compounds, which by acting on the epigenetic level might protect the organism from age-related diseases and slow down ageing. We also try to shed some light on the role of microbiome in this process.
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Affiliation(s)
- Agnieszka Gadecka
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur St., 02-093 Warsaw, Poland.
| | - Anna Bielak-Zmijewska
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur St., 02-093 Warsaw, Poland.
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