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Yuan M, Sun T, Zhang Y, Guo C, Wang F, Yao Z, Yu L. Quercetin Alleviates Insulin Resistance and Repairs Intestinal Barrier in db/ db Mice by Modulating Gut Microbiota. Nutrients 2024; 16:1870. [PMID: 38931226 PMCID: PMC11206920 DOI: 10.3390/nu16121870] [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: 05/16/2024] [Revised: 06/09/2024] [Accepted: 06/12/2024] [Indexed: 06/28/2024] Open
Abstract
Type 2 diabetes mellitus (T2DM) is a chronic metabolic disease which seriously affects public health. Gut microbiota remains a dynamic balance state in healthy individuals, and its disorder may affect health status and even results in metabolic diseases. Quercetin, a natural flavonoid, has been shown to have biological activities that can be used in the prevention and treatment of metabolic diseases. This study aimed to explore the mechanism of quercetin in alleviating T2DM based on gut microbiota. db/db mice were adopted as the model for T2DM in this study. After 10 weeks of administration, quercetin could significantly decrease the levels of body weight, fasting blood glucose (FBG), serum insulin (INS), the homeostasis model assessment of insulin resistance (HOMA-IR), monocyte chemoattractant protein-1 (MCP-1), D-lactic acid (D-LA), and lipopolysaccharide (LPS) in db/db mice. 16S rRNA gene sequencing and untargeted metabolomics analysis were performed to compare the differences of gut microbiota and metabolites among the groups. The results demonstrated that quercetin decreased the abundance of Proteobacteria, Bacteroides, Escherichia-Shigella and Escherichia_coli. Moreover, metabolomics analysis showed that the levels of L-Dopa and S-Adenosyl-L-methionine (SAM) were significantly increased, but 3-Methoxytyramine (3-MET), L-Aspartic acid, L-Glutamic acid, and Androstenedione were significantly decreased under quercetin intervention. Taken together, quercetin could exert its hypoglycemic effect, alleviate insulin resistance, repair the intestinal barrier, remodel the intestinal microbiota, and alter the metabolites of db/db mice.
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Affiliation(s)
| | | | | | | | | | - Zhanxin Yao
- Military Medical Sciences Academy, Beijing 100039, China; (M.Y.); (T.S.); (Y.Z.); (C.G.); (F.W.)
| | - Lixia Yu
- Military Medical Sciences Academy, Beijing 100039, China; (M.Y.); (T.S.); (Y.Z.); (C.G.); (F.W.)
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Esfandiar Z, Hosseini-Esfahani F, Mirmiran P, Azizi F. Higher dietary flavonol and isoflavonoid intakes are associated with lower incidence of type 2 diabetes. INT J VITAM NUTR RES 2024; 94:163-170. [PMID: 37042357 DOI: 10.1024/0300-9831/a000782] [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: 04/13/2023]
Abstract
Background: Adequate evidence supports beneficial effects of plant-derived phytochemicals against type 2 diabetes (T2D). Among phytochemicals, dietary flavonoids is one of the superb candidates. The whole studies are carried out in Western populations, so it is needed to investigate the risk of T2D by dietary flavonoid intakes in ethnic origins and other regions to confirm these relations. This study was conducted to investigate whether the daily consumption of total flavonoid and its subclasses can affect the incidence of type 2 diabetes (T2D) in the Iranian population. Methods: Eligible adults (n=6547) were selected from among participants of the Tehran lipid and glucose study with an average follow-up of 3.0 years. Dietary intakes were assessed using a valid and reliable 168-item semi-quantitative food frequency questionnaire. Multivariate Cox proportional hazard regression models were used to estimate the development of T2D in relation to total intake of flavonoids. Results: This study was conducted on 2882 men and 3665 women, aged 41.3±14.6 and 39.0±13.4 years, respectively. After adjustment for several potential confounders (age, sex, diabetes risk score, physical activity, energy, fiber and total fat intakes), risk of T2D decreased from tertiles 1 to 3 for flavonols (HR (95% CI): 1.00, 0.86 (0.64-1.16), 0.87 (0.63-0.93), Ptrend=0.01) and isoflavonoids (HR (95% CI): 1.00, 0.84 (0.62-1.13), 0.64 (0.46-0.88), Ptrend=0.02), whereas non-significant results were found for total flavonoid and other subclasses of flavonoid. Conclusion: These results emphasize the potential protective role of flavonols and isoflavonoids rich food (e.g. apple, tea, soy, and dark chocolate) in the prevention of T2D.
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Affiliation(s)
- Zohreh Esfandiar
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Firoozeh Hosseini-Esfahani
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Parvin Mirmiran
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fereidoun Azizi
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Bouyahya A, Balahbib A, Khalid A, Makeen HA, Alhazmi HA, Albratty M, Hermansyah A, Ming LC, Goh KW, El Omari N. Clinical applications and mechanism insights of natural flavonoids against type 2 diabetes mellitus. Heliyon 2024; 10:e29718. [PMID: 38694079 PMCID: PMC11061711 DOI: 10.1016/j.heliyon.2024.e29718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 04/03/2024] [Accepted: 04/14/2024] [Indexed: 05/03/2024] Open
Abstract
Diabetes is a complex disease that affects a large percentage of the world's population, and it is associated with several risk factors. Self-management poses a significant challenge, but natural sources have shown great potential in providing effective glucose reducing solutions. Flavonoids, a class of bioactive substances found in different natural sources including medicinal plants, have emerged as promising candidates in this regard. Indeed, several flavonoids, including apigenin, arbutin, catechins, and cyanidin, have demonstrated remarkable anti-diabetic properties. The clinical effectiveness of these flavonoids is linked to their potential to decrease blood glucose concentration and increase insulin concentration. Thus, the regulation of certain metabolic pathways such as glycolysis and neoglycogenesis has also been demonstrated. In vitro and in vivo investigations revealed different mechanisms of action related to flavonoid compounds at subcellular, cellular, and molecular levels. The main actions reside in the activation of glycolytic signaling pathways and the inhibition of signaling that promotes glucose synthesis and storage. In this review, we highlight the clinical efficiency of natural flavonoids as well as the molecular mechanisms underlying this effectiveness.
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Affiliation(s)
- Abdelhakim Bouyahya
- Laboratory of Human Pathologies Biology, Department of Biology, Faculty of Sciences, Mohammed V University in Rabat, Rabat 10106, Morocco
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, 60115 Surabaya, Indonesia
| | - Abdelaali Balahbib
- High Institute of Nursing Professions and Health Techniques of Errachidia, Errachidia, Morocco
| | - Asaad Khalid
- Substance Abuse and Toxicology Research Center, Jazan University, P.O. Box: 114, Jazan, Saudi Arabia
- Medicinal and Aromatic Plants Research Institute, National Center for Research, P.O. Box: 2424, Khartoum-11111, Sudan
| | - Hafiz A. Makeen
- Pharmacy Practice Research Unit, Clinical Pharmacy Department, Faculty of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Hassan A. Alhazmi
- Substance Abuse and Toxicology Research Center, Jazan University, P.O. Box: 114, Jazan, Saudi Arabia
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, P.O. Box 114, Postal Code 45142, Jazan, Saudi Arabia
| | - Mohammed Albratty
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, P.O. Box 114, Postal Code 45142, Jazan, Saudi Arabia
| | - Andi Hermansyah
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, 60115 Surabaya, Indonesia
| | - Long Chiau Ming
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, 60115 Surabaya, Indonesia
- School of Medical and Life Sciences, Sunway University, Sunway City 47500, Malaysia
- PAPRSB Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
| | - Khang Wen Goh
- Faculty of Data Science and Information Technology, INTI International University, Nilai, Malaysia
| | - Nasreddine El Omari
- High Institute of Nursing Professions and Health Techniques of Tetouan, Tetouan, Morocco
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Singh S, Sarma DK, Verma V, Nagpal R, Kumar M. Unveiling the future of metabolic medicine: omics technologies driving personalized solutions for precision treatment of metabolic disorders. Biochem Biophys Res Commun 2023; 682:1-20. [PMID: 37788525 DOI: 10.1016/j.bbrc.2023.09.064] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/13/2023] [Accepted: 09/21/2023] [Indexed: 10/05/2023]
Abstract
Metabolic disorders are increasingly prevalent worldwide, leading to high rates of morbidity and mortality. The variety of metabolic illnesses can be addressed through personalized medicine. The goal of personalized medicine is to give doctors the ability to anticipate the best course of treatment for patients with metabolic problems. By analyzing a patient's metabolomic, proteomic, genetic profile, and clinical data, physicians can identify relevant diagnostic, and predictive biomarkers and develop treatment plans and therapy for acute and chronic metabolic diseases. To achieve this goal, real-time modeling of clinical data and multiple omics is essential to pinpoint underlying biological mechanisms, risk factors, and possibly useful data to promote early diagnosis and prevention of complex diseases. Incorporating cutting-edge technologies like artificial intelligence and machine learning is crucial for consolidating diverse forms of data, examining multiple variables, establishing databases of clinical indicators to aid decision-making, and formulating ethical protocols to address concerns. This review article aims to explore the potential of personalized medicine utilizing omics approaches for the treatment of metabolic disorders. It focuses on the recent advancements in genomics, epigenomics, proteomics, metabolomics, and nutrigenomics, emphasizing their role in revolutionizing personalized medicine.
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Affiliation(s)
- Samradhi Singh
- ICMR- National Institute for Research in Environmental Health, Bhopal Bypass Road, Bhouri, Bhopal, 462030, Madhya Pradesh, India
| | - Devojit Kumar Sarma
- ICMR- National Institute for Research in Environmental Health, Bhopal Bypass Road, Bhouri, Bhopal, 462030, Madhya Pradesh, India
| | - Vinod Verma
- Stem Cell Research Centre, Department of Hematology, Sanjay Gandhi Post-Graduate Institute of Medical Sciences, Lucknow, 226014, Uttar Pradesh, India
| | - Ravinder Nagpal
- Department of Nutrition and Integrative Physiology, College of Health and Human Sciences, Florida State University, Tallahassee, FL, 32306, USA
| | - Manoj Kumar
- ICMR- National Institute for Research in Environmental Health, Bhopal Bypass Road, Bhouri, Bhopal, 462030, Madhya Pradesh, India.
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Kimani CN, Reuter H, Kotzé SH, Muller CJF. Regeneration of Pancreatic Beta Cells by Modulation of Molecular Targets Using Plant-Derived Compounds: Pharmacological Mechanisms and Clinical Potential. Curr Issues Mol Biol 2023; 45:6216-6245. [PMID: 37623211 PMCID: PMC10453321 DOI: 10.3390/cimb45080392] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/20/2023] [Accepted: 07/22/2023] [Indexed: 08/26/2023] Open
Abstract
Type 2 diabetes (T2D) is characterized by pancreatic beta-cell dysfunction, increased cell death and loss of beta-cell mass despite chronic treatment. Consequently, there has been growing interest in developing beta cell-centered therapies. Beta-cell regeneration is mediated by augmented beta-cell proliferation, transdifferentiation of other islet cell types to functional beta-like cells or the reprograming of beta-cell progenitors into fully differentiated beta cells. This mediation is orchestrated by beta-cell differentiation transcription factors and the regulation of the cell cycle machinery. This review investigates the beta-cell regenerative potential of antidiabetic plant extracts and phytochemicals. Various preclinical studies, including in vitro, in vivo and ex vivo studies, are highlighted. Further, the potential regenerative mechanisms and the intra and extracellular mediators that are of significance are discussed. Also, the potential of phytochemicals to translate into regenerative therapies for T2D patients is highlighted, and some suggestions regarding future perspectives are made.
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Affiliation(s)
- Clare Njoki Kimani
- Biomedical Research and Innovation Platform (BRIP), South African Medical Research Council (SAMRC), Cape Town 7505, South Africa;
- Division of Clinical Pharmacology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town 7505, South Africa
| | - Helmuth Reuter
- Division of Clinical Pharmacology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town 7505, South Africa
| | - Sanet Henriët Kotzé
- Division of Clinical Anatomy, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town 7505, South Africa
- Division of Anatomy, Department of Biomedical Sciences, School of Veterinary Medicine, Ross University, Basseterre P.O. Box 334, Saint Kitts and Nevis
| | - Christo John Fredrick Muller
- Biomedical Research and Innovation Platform (BRIP), South African Medical Research Council (SAMRC), Cape Town 7505, South Africa;
- Centre for Cardio-Metabolic Research in Africa, Division of Medical Physiology, Faculty of Medicine and Health Sciences, Stellenbosch University, Stellenbosch 7600, South Africa
- Department of Biochemistry and Microbiology, University of Zululand, KwaDlangezwa 3886, South Africa
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6
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Rosiak N, Cielecka-Piontek J, Skibiński R, Lewandowska K, Bednarski W, Zalewski P. Do Rutin and Quercetin Retain Their Structure and Radical Scavenging Activity after Exposure to Radiation? Molecules 2023; 28:molecules28062713. [PMID: 36985686 PMCID: PMC10053567 DOI: 10.3390/molecules28062713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/13/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023] Open
Abstract
The influence of ionizing radiation on the physicochemical properties of quercetin and rutin in the solid state was studied. Quercetin and rutin were irradiated with the standard recommended radiation dose (25 kGy) according to EN 522 standard. The samples were irradiated by electron beam radiation. EPR studies indicate the formation of a small number of free radicals due to irradiation. Moreover, some radicals recombined with the mean lifetime of 1200 and 93 h, and a stable radical concentration reached only 0.29 and 0.90 ppm for quercetin and rutin, respectively. The performed spectroscopic study (FT-IR) confirmed the radiostability of the flavonoids tested. Chromatographic tests (HPLC, HPLC-MS) showed that irradiation of quercetin and rutin with a 25 kGy dose did not change the physicochemical properties of the tested compounds. Degradation products were not observed. The antioxidant activities were determined by the 2,2-diphenyl-1-pycrylhydrazyl (DPPH) free radical scavenging activity assay, ABTS Radical Scavenging Assay (ABTS), Ferric Reducing Antioxidant Power Assay (FRAP), Cupric Ion Reducing Antioxidant Capacity Assay (CUPRAC). The conducted research confirmed that exposure to ionizing radiation does not change the chemical structure of tested flavonoids and their antioxidant properties.
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Affiliation(s)
- Natalia Rosiak
- Department of Pharmacognosy, Poznan University of Medical Sciences, Rokietnicka 3, 60-806 Poznan, Poland
| | - Judyta Cielecka-Piontek
- Department of Pharmacognosy, Poznan University of Medical Sciences, Rokietnicka 3, 60-806 Poznan, Poland
| | - Robert Skibiński
- Department of Medicinal Chemistry, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland
| | - Kornelia Lewandowska
- Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland
| | - Waldemar Bednarski
- Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland
| | - Przemysław Zalewski
- Department of Pharmacognosy, Poznan University of Medical Sciences, Rokietnicka 3, 60-806 Poznan, Poland
- Correspondence: ; Tel.: +48-(61)-854-67-10
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Harithpriya K, Jayasuriya R, Adhikari T, Rai A, Ramkumar KM. Modulation of transcription factors by small molecules in β-cell development and differentiation. Eur J Pharmacol 2023; 946:175606. [PMID: 36809813 DOI: 10.1016/j.ejphar.2023.175606] [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: 11/12/2022] [Revised: 02/14/2023] [Accepted: 02/16/2023] [Indexed: 02/21/2023]
Abstract
Transcription factors regulate gene expression and play crucial roles in development and differentiation of pancreatic β-cell. The expression and/or activities of these transcription factors are reduced when β-cells are chronically exposed to hyperglycemia, which results in loss of β-cell function. Optimal expression of such transcription factors is required to maintain normal pancreatic development and β-cell function. Over many other methods of regenerating β-cells, using small molecules to activate transcription factors has gained insights, resulting in β-cells regeneration and survival. In this review, we discuss the broad spectrum of transcription factors regulating pancreatic β-cell development, differentiation and regulation of these factors in normal and pathological states. Also, we have presented set of potential pharmacological effects of natural and synthetic compounds on activities of transcription factor involved in pancreatic β-cell regeneration and survival. Exploring these compounds and their action on transcription factors responsible for pancreatic β-cell function and survival could be useful in providing new insights for development of small molecule modulators.
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Affiliation(s)
- Kannan Harithpriya
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, 603 203, Tamil Nadu, India
| | - Ravichandran Jayasuriya
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, 603 203, Tamil Nadu, India
| | - Trishla Adhikari
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, 603 203, Tamil Nadu, India
| | - Awantika Rai
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, 603 203, Tamil Nadu, India
| | - Kunka Mohanram Ramkumar
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, 603 203, Tamil Nadu, India.
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Armobin K, Ahmadifar E, Adineh H, Samani MN, Kalhor N, Yilmaz S, Hoseinifar SH, Van Doan H. Quercetin Application for Common Carp ( Cyprinus carpio): I. Effects on Growth Performance, Humoral Immunity, Antioxidant Status, Immune-Related Genes, and Resistance against Heat Stress. AQUACULTURE NUTRITION 2023; 2023:1168262. [PMID: 36860974 PMCID: PMC9973228 DOI: 10.1155/2023/1168262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/22/2022] [Accepted: 12/13/2022] [Indexed: 06/18/2023]
Abstract
This study was done to evaluate the effect of different quercetin levels on growth performance, immune responses, antioxidant status, serum biochemical factors, and high-temperature stress responses in common carp (Cyprinus carpio). A total number of 216 common carp with an average weight of 27.21 ± 53 g were divided into 12 tanks (four treatments × three replications) and fed 0 mg/kg quercetin (T0), 200 mg/kg quercetin (T1), 400 mg/kg quercetin (T2), and 600 mg/kg quercetin (T3) for 60 days. There were significant differences in growth performance, and the highest final body weight (FBW), weight gain (WG), specific growth rate (SGR), and feed intake (FI) were observed in T2 and T3 (P < 0.05). Different quercetin levels significantly increased complement pathway activity (ACH50) and lysozyme activity both before and after heat stress (P < 0.05). Catalase (CAT), glutathione peroxidase (GPx), and malondialdehyde (MDA) were significantly increased in fish exposed to heat stress, but fish fed with a supplemented diet with quercetin showed the lowest levels both before and after heat stress (P < 0.05). Superoxide dismutase (SOD) levels were significantly enhanced in fish fed diets supplemented with quercetin in both phases (P < 0.05). Different quercetin levels led to a significant decrease in alanine aminotransferase (ALT) and aspartate aminotransferase (AST) before and after the challenging test (P < 0.05). Glucose and cortisol levels were significantly higher in the control group compared to the other treatments in both phases (P < 0.05). The expression of glutathione peroxidase (GPx) and lysozyme was markedly upregulated in fish fed with quercetin-supplemented diets (P < 0.05). No marked effects were observed for growth hormone (GR) and interleukin-8 (IL8) (P > 0.05). In conclusion, dietary quercetin supplementations (400-600 mg/kg quercetin) improved growth performance, immunity, and antioxidant status and increased tolerance to heat stress.
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Affiliation(s)
- Kobra Armobin
- Department of Fisheries, Faculty of Natural Resources, University of Zabol, Zabol, Iran
| | - Ehsan Ahmadifar
- Department of Fisheries, Faculty of Natural Resources, University of Zabol, Zabol, Iran
| | - Hossein Adineh
- Department of Fisheries, Faculty of Agriculture and Natural Resources, Gonbad Kavous University, Gonbad Kavous, Golestan, Iran
| | | | - Naser Kalhor
- Department of Mesenchymal Stem Cell, Academic Center for Education, Culture and Research, Qom Branch, Qom, Iran
| | - Sevdan Yilmaz
- Çanakkale Onsekiz Mart University, Department of Aquaculture, Faculty of Marine Science and Technology, 17100 Çanakkale, Turkey
| | - Seyed Hossein Hoseinifar
- Department of Fisheries, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Hien Van Doan
- Department of Animal and Aquatic Sciences, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand
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Li B, Pan LL, Pan X, Dong X, Ren Z, Zhang H, Chen W, de Vos P, Sun J. Opportunities and challenges of polyphenols and polysaccharides for type 1 diabetes intervention. Crit Rev Food Sci Nutr 2022; 64:2811-2823. [PMID: 36168918 DOI: 10.1080/10408398.2022.2126962] [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: 11/03/2022]
Abstract
Type 1 diabetes (T1D) is an autoimmune disorder characterized by the destruction of insulin-producing pancreatic β cell. It contributes to high mortality, frequent diabetic complications, poor quality of life in patients and also puts a significant economic burden on health care systems. Therefore, the development of new therapeutic strategies is urgently needed. Recently, certain dietary compounds with potential applications in food industry, particularly polyphenols and polysaccharides, have gained increasing attention with their prominent anti-diabetic effects on T1D by modulating β cell function, the gut microbiota and/or the immune system. In this review, we critically discuss the recent findings of several dietary polyphenols and polysaccharides with the potential to protect against T1D and the underlying anti-diabetic mechanisms. More importantly, we highlight the current trends, major issues, and future directions of industrial production of polyphenols- and polysaccharides-based functional foods for preventing or delaying T1D.
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Affiliation(s)
- Binbin Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Li-Long Pan
- School of Medicine, Jiangnan University, Wuxi, China
| | - Xiaohua Pan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | | | - Zhengnan Ren
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Hao Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Wei Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Paul de Vos
- Immunoendocrinology, Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Jia Sun
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
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Abdou HM, Hamaad FA, Ali EY, Ghoneum MH. Antidiabetic efficacy of Trifolium alexandrinum extracts hesperetin and quercetin in ameliorating carbohydrate metabolism and activating IR and AMPK signaling in the pancreatic tissues of diabetic rats. Biomed Pharmacother 2022; 149:112838. [PMID: 35344738 DOI: 10.1016/j.biopha.2022.112838] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 03/15/2022] [Accepted: 03/16/2022] [Indexed: 11/02/2022] Open
Abstract
Diabetes is a metabolic disease that is mainly characterized by hyperglycemia. The present work investigated the efficacy of the flavanones hesperetin (HES) and quercetin (Q) extracted from Trifolium alexandrinum (TA) to treat type 2 diabetic rats. Wistar albino rats were supplemented with a high fat diet (HFD) for 2 weeks and then administered streptozotocin to induce diabetes. Diabetic rats were orally treated with Q, HES, and TA extract at concentrations of 40, 50, and 200 mg/kg BW, respectively, for 4 weeks. Various biochemical, molecular, and histological analysis were performed to evaluate the antidiabetic effects of these treatments. Q, HES, and TA extract treatments all significantly improved diabetic rats' levels of serum glucose, insulin, glucagon, liver function enzymes, hepatic glycogen, α-amylase, lipase enzymes, lipid profiles, oxidative stress indicators, and antioxidant enzymes as compared with control diabetic untreated rats. In addition, supplementation with Q, HES, and TA extract attenuated the activities of glucose-6-phosphate; fructose-1,6-bisphospahate; 6-phosphogluconate dehydrogenase; glucose-6-phosphate dehydrogenase; glucokinase; and hexokinase in pancreatic tissue, and they improved the levels of glucose transporter 2 and glucose transporter 4. Furthermore, these treatments modulated the expressions levels of insulin receptor (IR), phosphoinositide 3-kinase (PI3K), AMP-activated protein kinase (AMPK), caspase-3, and interleukin-1β (IL-1β). Enhancement of the histological alterations in pancreatic tissues provided further evidence of the ability of Q, HES, and TA extract to exert antidiabetic effects. Q, HES, and TA extract remedied insulin resistance by altering the IR/PI3K and AMPK signaling pathways, and they attenuated type 2 diabetes by improving the antioxidant defense system.
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Affiliation(s)
- Heba M Abdou
- Department of Zoology, Faculty of Science, Alexandria University, Egypt.
| | - Fatma A Hamaad
- Department of Biochemistry, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Esraa Y Ali
- Department of Zoology, Faculty of Science, Alexandria University, Egypt
| | - Mamdooh H Ghoneum
- Department of Surgery, Charles R. Drew University of Medicine and Science, 1621 E. 120th Street, Los Angeles, CA 90059, USA; Department of Surgery, University of California Los Angeles, Los Angeles, CA 90095, USA
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Lum Nde A, Chukwuma CI, Erukainure OL, Chukwuma MS, Matsabisa MG. Ethnobotanical, phytochemical, toxicology and anti-diabetic potential of Senna occidentalis (L.) link; A review. JOURNAL OF ETHNOPHARMACOLOGY 2022; 283:114663. [PMID: 34560215 DOI: 10.1016/j.jep.2021.114663] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 09/11/2021] [Accepted: 09/18/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Senna occidentalis (L.) Link is a plant that has been used in medicine in some African countries, Asia and America. It is mainly used in Ayurvedic medicine in India. Several parts of this plant are used for preventing or treating diabetes, haematuria, rheumatism, typhoid, asthma, hepatotoxicity, disorders of haemoglobin and leprosy. AIM OF THE STUDY This review outlines the pharmacological evidence supporting the potential of S. occidentalis to control or compensate for diabetes and associated complications, with intentions to sensitize the scientific community for future research on this promising plant. MATERIALS AND METHODS Information on the anti-diabetic pharmacological studies of Senna occidentalis was collected from various scientific databases including Scopus, PubMed, ScienceDirect and Google Scholar. The studies were analyzed for the toxicological, phytochemical, anti-diabetic, hypoglycemic, anti-hyperlipidemia and antioxidative aspects of the different parts of S. occidentalis. RESULTS Numerous phytochemical constituents (flavonoids, saponins, alkaloids, tannins, terpenes and glycosides) are present in this plant and are responsible for their anti-diabetic, hypoglycemic, anti-hyperlipidemic and antioxidative effects. The different plant parts appears to exert anti-diabetic effects by direct regulation of blood glucose, modulation of lipid profile and improving of antioxidant status and islet function. CONCLUSION Senna occidentalis is rich in phytochemicals. The crude extracts of the different parts have valuable bioactive properties with potential ethnopharmacological relevance for diabetes management and treatment. Further bioassay guided phytochemical analyses of this plant are recommended to explore its therapeutic bioactive principles.
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Affiliation(s)
- Adeline Lum Nde
- Department of Pharmacology, Faculty of Health Sciences, University of the Free State, Bloemfontein, 9300, South Africa.
| | - Chika I Chukwuma
- Centre for the Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, 9300, South Africa
| | - Ochuko L Erukainure
- Department of Pharmacology, Faculty of Health Sciences, University of the Free State, Bloemfontein, 9300, South Africa
| | - Maria S Chukwuma
- Department of Chemistry, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, 9300, South Africa
| | - Motlalepula G Matsabisa
- Department of Pharmacology, Faculty of Health Sciences, University of the Free State, Bloemfontein, 9300, South Africa.
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12
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Sagar NA, Pareek S, Benkeblia N, Xiao J. Onion (
Allium cepa
L.) bioactives: Chemistry, pharmacotherapeutic functions, and industrial applications. FOOD FRONTIERS 2022. [DOI: 10.1002/fft2.135] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Affiliation(s)
- Narashans Alok Sagar
- Department of Agriculture and Environmental Sciences National Institute of Food Technology Entrepreneurship and Management Kundli Sonepat Haryana India
| | - Sunil Pareek
- Department of Agriculture and Environmental Sciences National Institute of Food Technology Entrepreneurship and Management Kundli Sonepat Haryana India
| | - Noureddine Benkeblia
- Department of Life Sciences/The Biotechnology Centre The University of the West Indies Kingston Jamaica
| | - Jianbo Xiao
- Nutrition and Bromatology Group Department of Analytical and Food Chemistry Faculty of Sciences Universidade de Vigo Ourense Spain
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13
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Zhang N, He H, Zhang M, Lu X, Li W, Wang R, Chang J. Investigation of the interactions between three flavonoids and human serum albumin by isothermal titration calorimetry, spectroscopy, and molecular docking. NEW J CHEM 2022. [DOI: 10.1039/d2nj00314g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The interactions between three flavonoids (liquiritin, quercitrin, and taxifolin) and human serum albumin (HSA) are investigated by spectroscopic techniques, isothermal titration calorimetry (ITC), and molecular docking study. Results show that...
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14
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Ali A, Mashwani ZUR, Ahmad I, Raja NI, Mohammad S, Khan SU. Plant in vitro cultures: A promising and emerging technology for the feasible production of antidiabetic metabolites in Caralluma tuberculata. Front Endocrinol (Lausanne) 2022; 13:1029942. [PMID: 36601006 PMCID: PMC9806359 DOI: 10.3389/fendo.2022.1029942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Accepted: 11/21/2022] [Indexed: 12/23/2022] Open
Abstract
Caralluma tuberculata, a medicinal and edible plant of the genus Caralluma, belongs to the family Asclepiadaceae. Traditionally, its succulent stems are used as folk medicine for life-threatening diabetes mellitus (DM) disease. Its antidiabetic potential is ascribed to the presence of various secondary metabolites (e.g., pregnane glycosides, flavone glycosides, megastigmane glycosides, polyphenols, ferulic acid, quercetin, and bitter principles, among others) that act as effective and safe antidiabetic agents. The mechanisms of these bioactive secondary metabolites in C. tuberculata herbal medicine include lowering the blood glucose level, stimulating B cells of the pancreas to release more insulin, enhancing the sensitivity of the insulin receptor, inhibiting the action of glucagon and the hydrolysis of glycogen, and increasing the use of glucose in tissues and organ. However, overexploitation, alterations in natural environmental conditions, lower seed viability, and slow growth rate are responsible for the extinction of species from natural habitats, then becoming critically endangered species according to the International Union for Conservation of Nature Red List categories. Therefore, its limited availability does not meet the higher worldwide market demand of C. tuberculata as an antidiabetic drug. Thus, for its conservation and sustainable utilization, researchers across the globe are working on devising strategies to conserve and improve biomass along with the secondary metabolite profiles of C. tuberculata using in vitro approaches. The current review describes the recent progress on antidiabetic phytoconstituents, their cellular mechanisms, and their subsequent clinical outcomes in the drug discovery management of DM. Moreover, in vitro methods such as callus culture, micropropagation, and nano-elicitation strategies for conserving and producing bioactive secondary metabolites have been concisely reviewed and discussed.
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Affiliation(s)
- Amir Ali
- Department of Botany, PMAS, Arid Agriculture University, Rawalpindi, Pakistan
- Biotechnology Laboratory, Agricultural Research Institute (ARI) Tarnab, Peshawar, Pakistan
- *Correspondence: Amir Ali, ;; ; Zia-ur-Rehman Mashwani,
| | - Zia-ur-Rehman Mashwani
- Department of Botany, PMAS, Arid Agriculture University, Rawalpindi, Pakistan
- *Correspondence: Amir Ali, ;; ; Zia-ur-Rehman Mashwani,
| | - Ilyas Ahmad
- Department of Botany, PMAS, Arid Agriculture University, Rawalpindi, Pakistan
| | - Naveed Iqbal Raja
- Department of Botany, PMAS, Arid Agriculture University, Rawalpindi, Pakistan
| | - Sher Mohammad
- Biotechnology Laboratory, Agricultural Research Institute (ARI) Tarnab, Peshawar, Pakistan
| | - Safir Ullah Khan
- Department of Botany, PMAS, Arid Agriculture University, Rawalpindi, Pakistan
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15
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Bai JB, Ge JC, Zhang WJ, Liu W, Luo JP, Xu FQ, Wu DL, Xie SZ. Physicochemical, morpho-structural, and biological characterization of polysaccharides from three Polygonatum spp. RSC Adv 2021; 11:37952-37965. [PMID: 35498116 PMCID: PMC9044025 DOI: 10.1039/d1ra07214e] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 11/07/2021] [Indexed: 12/11/2022] Open
Abstract
Polygonatum species, including P. cyrtonema, P. kingianum, and P. sibiricum, are edible plants with medicinal purposes, which have long been consumed as food due to their high nutritional value. In this study, polysaccharides from P. cyrtonema (PCP), P. kingianum (PKP) and P. sibiricum (PSP) were obtained, and their physicochemical properties and in vitro biological activities were investigated. Our results demonstrated that PCP, PKP, and PSP consist of major fructose and minor glucose, galacturonic acid, and galactose in different molar ratios with the molecular weights of 8.5 × 103 Da, 8.7 × 103 Da, and 1.0 × 104 Da, respectively. The three polysaccharides had triple-helical structures with β-d-Fruf, α-d-Glcp, α-d-Galp sugar residues, and an O-acetyl group, and displayed peak-shaped structures in different sizes. They also exhibited thermal, shear-thinning behavior and viscoelastic properties, and PCP presented the highest viscoelasticity. Moreover, they exerted strong free radical-scavenging abilities, and significant reducing capacity. PCP was the strongest, followed by PSP and then PKP. They significantly promoted the polarization of the M1 macrophage, with the effect of PCP ranking first. All three had similar effects on GLP-1 secretion. It is, therefore, necessary to identify the various roles of these three Polygonatum polysaccharides as functional agents based on their bioactivities and physicochemical properties. Three Polygonatum polysaccharides with different physicochemical properties exert distinct effects on free radical-scavenging abilities and the promotion of M1 macrophage polarization, while they have similar effects on GLP-1 secretion.![]()
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Affiliation(s)
- Jin-Bo Bai
- School of Pharmacy, Anhui University of Chinese Medicine Hefei Anhui 230012 China
| | - Ji-Chun Ge
- School of Food and Biological Engineering, Hefei University of Technology Hefei 230009 China
| | - Wang-Juan Zhang
- School of Pharmacy, Anhui University of Chinese Medicine Hefei Anhui 230012 China
| | - Wang Liu
- School of Pharmacy, Anhui University of Chinese Medicine Hefei Anhui 230012 China
| | - Jian-Ping Luo
- School of Food and Biological Engineering, Hefei University of Technology Hefei 230009 China
| | - Feng-Qing Xu
- School of Pharmacy, Anhui University of Chinese Medicine Hefei Anhui 230012 China .,Anhui Province Key Laboratory of Research & Development of Chinese Medicine Hefei 230012 PR China.,Anhui Provincial Key Laboratory of New Manufacturing Technology for Traditional Chinese Medicine Decoction Pieces Hefei 230012 PR China
| | - De-Ling Wu
- School of Pharmacy, Anhui University of Chinese Medicine Hefei Anhui 230012 China .,Anhui Province Key Laboratory of Research & Development of Chinese Medicine Hefei 230012 PR China.,Anhui Provincial Key Laboratory of New Manufacturing Technology for Traditional Chinese Medicine Decoction Pieces Hefei 230012 PR China
| | - Song-Zi Xie
- School of Pharmacy, Anhui University of Chinese Medicine Hefei Anhui 230012 China .,Anhui Province Key Laboratory of Research & Development of Chinese Medicine Hefei 230012 PR China.,Anhui Provincial Key Laboratory of New Manufacturing Technology for Traditional Chinese Medicine Decoction Pieces Hefei 230012 PR China
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16
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Sotiropoulou M, Katsaros I, Vailas M, Lidoriki I, Papatheodoridis GV, Kostomitsopoulos NG, Valsami G, Tsaroucha A, Schizas D. Nonalcoholic fatty liver disease: The role of quercetin and its therapeutic implications. Saudi J Gastroenterol 2021; 27:319-330. [PMID: 34810376 PMCID: PMC8656328 DOI: 10.4103/sjg.sjg_249_21] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 08/29/2021] [Accepted: 09/14/2021] [Indexed: 02/06/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common form of chronic liver disease, affecting almost one-third of the general population and 75% of obese patients with type 2 diabetes. The aim of this article is to review the current evidence concerning the role of quercetin, a natural compound and flavonoid, and its possible therapeutic effects on this modern-day disease. Despite the fact that the exact pathophysiological mechanisms through which quercetin has a hepatoprotective effect on NAFLD are still not fully elucidated, this review clearly demonstrates that this flavonoid has potent antioxidative stress action and inhibitory effects on hepatocyte apoptosis, inflammation, and generation of reactive oxygen species, factors which are linked to the development of the disease. NAFLD is closely associated with increased dietary fat consumption, especially in Western countries. The hepatoprotective effect of quercetin against NAFLD merits serious consideration and further validation by future studies.
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Affiliation(s)
- Maria Sotiropoulou
- Department of Surgery, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
| | - Ioannis Katsaros
- Department of Surgery, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
| | - Michail Vailas
- Department of Surgery, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
| | - Irene Lidoriki
- Department of Surgery, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
| | - George V Papatheodoridis
- Department of Gastroenterology, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
| | - Nikolaos G Kostomitsopoulos
- Center of Clinical, Experimental Surgery, and Translational Research, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Georgia Valsami
- Department of Pharmacy, Laboratory of Biopharmaceutics-Pharmacokinetics, School of Health Sciences, National and Kapodistrian University of Athens, Athens, Greece
| | - Alexandra Tsaroucha
- Laboratory of Experimental Surgery, Faculty of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
| | - Dimitrios Schizas
- Department of Surgery, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
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17
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Alì S, Davinelli S, Accardi G, Aiello A, Caruso C, Duro G, Ligotti ME, Pojero F, Scapagnini G, Candore G. Healthy ageing and Mediterranean diet: A focus on hormetic phytochemicals. Mech Ageing Dev 2021; 200:111592. [PMID: 34710375 DOI: 10.1016/j.mad.2021.111592] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 10/06/2021] [Accepted: 10/22/2021] [Indexed: 12/15/2022]
Abstract
Mediterranean diet (MedDiet) is rich in fruits and vegetables associated with longevity and a reduced risk of several age-related diseases. It is demonstrated that phytochemicals in these plant products enhance the positive effects of MedDiet by acting on the inflammatory state and reducing oxidative stress. Evidence support that these natural compounds act as hormetins, triggering one or more adaptive stress-response pathways at low doses. Activated stress-response pathways increase the expression of cytoprotective proteins and multiple genes that act as lifespan regulators, essential for the ageing process. In these ways, the hormetic response by phytochemicals such as resveratrol, ferulic acid, and several others in MedDiet might enhance cells' ability to cope with more severe challenges, resist diseases, and promote longevity. This review discusses the role of MedDiet phytochemicals in healthy ageing and the prevention of age-related diseases.
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Affiliation(s)
- Sawan Alì
- Department of Medicine and Health Sciences "V. Tiberio", University of Molise, Campobasso, Italy
| | - Sergio Davinelli
- Department of Medicine and Health Sciences "V. Tiberio", University of Molise, Campobasso, Italy
| | - Giulia Accardi
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Italy
| | - Anna Aiello
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Italy
| | - Calogero Caruso
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Italy.
| | - Giovanni Duro
- Institute for Research and Biomedical Innovation, National Research Council, Palermo, Italy
| | - Mattia Emanuela Ligotti
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Italy; Institute for Research and Biomedical Innovation, National Research Council, Palermo, Italy
| | - Fanny Pojero
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Italy
| | - Giovanni Scapagnini
- Department of Medicine and Health Sciences "V. Tiberio", University of Molise, Campobasso, Italy
| | - Giuseppina Candore
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Italy
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18
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Fujii K, Idogawa M, Suzuki N, Iwatsuki K, Kanekura T. Functional Depletion of HSP72 by siRNA and Quercetin Enhances Vorinostat-Induced Apoptosis in an HSP72-Overexpressing Cutaneous T-Cell Lymphoma Cell Line, Hut78. Int J Mol Sci 2021; 22:ijms222011258. [PMID: 34681913 PMCID: PMC8541672 DOI: 10.3390/ijms222011258] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/13/2021] [Accepted: 10/18/2021] [Indexed: 02/07/2023] Open
Abstract
Histone deacetylase inhibitors (HDACis) are one of the therapeutic options for cutaneous T-cell lymphoma (CTCL), but they have limited effects. We previously demonstrated that HSP72 overexpression is associated with chemoresistance to HDACis in lymphoma cells. The purpose of this study was to investigate whether the functional depletion of HSP72 enhances the effect of the HDACi vorinostat. First, we established a stable HSP72-knockdown CTCL cell line and confirmed the influence of HSP72 reduction on the antitumor effects of vorinostat. Next, we studied the effect of quercetin, an inhibitor of HSP72, on the antineoplastic effects of vorinostat. In five CTCL cell lines examined, HSP72 expression was highest in Hut78 cells, and HSP72 knockdown enhanced vorinostat-induced apoptosis in these cells. Low-dose quercetin reduced HSP72 expression, increased HDAC activity, and enhanced vorinostat-induced suppression of Hut78 cell proliferation. A single low dose of quercetin induced G2 arrest and only slightly increased the sub-G1 cell fraction. Quercetin also significantly enhanced vorinostat-induced apoptosis, caspase-3, caspase-8, and caspase-9 activity, and the loss of mitochondrial membrane potential. HSP72 knockdown enhanced vorinostat-induced apoptosis in an HSP72-overexpressing CTCL cell line, and thus, quercetin may be a suitable candidate for combination therapy with vorinostat in clinical settings.
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Affiliation(s)
- Kazuyasu Fujii
- Department of Dermatology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890-8520, Japan;
- Correspondence: ; Tel.: +81-99-275-5388
| | - Masashi Idogawa
- Department of Medical Genome Sciences, Research Institute for Frontier Medicine, Sapporo Medical University, Sapporo 060-8556, Japan;
| | - Norihiro Suzuki
- Department of Dermatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan; (N.S.); (K.I.)
| | - Keiji Iwatsuki
- Department of Dermatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan; (N.S.); (K.I.)
| | - Takuro Kanekura
- Department of Dermatology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890-8520, Japan;
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19
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Moroccan antidiabetic medicinal plants: Ethnobotanical studies, phytochemical bioactive compounds, preclinical investigations, toxicological validations and clinical evidences; challenges, guidance and perspectives for future management of diabetes worldwide. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.03.032] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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20
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Effects of a Diet Supplemented with Fruit Antioxidants (Mango) on the Expression of Kir6.2 (KCNJ11) in the Hippocampus and Kidney of Diabetic Rats. NEUROPHYSIOLOGY+ 2021. [DOI: 10.1007/s11062-021-09901-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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21
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Tan Y, Tam CC, Rolston M, Alves P, Chen L, Meng S, Hong H, Chang SKC, Yokoyama W. Quercetin Ameliorates Insulin Resistance and Restores Gut Microbiome in Mice on High-Fat Diets. Antioxidants (Basel) 2021; 10:antiox10081251. [PMID: 34439499 PMCID: PMC8389224 DOI: 10.3390/antiox10081251] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 07/31/2021] [Accepted: 08/03/2021] [Indexed: 12/19/2022] Open
Abstract
Quercetin is a flavonoid that has been shown to have health-promoting capacities due to its potent antioxidant activity. However, the effect of chronic intake of quercetin on the gut microbiome and diabetes-related biomarkers remains unclear. Male C57BL/6J mice were fed HF or HF supplemented with 0.05% quercetin (HFQ) for 6 weeks. Diabetes-related biomarkers in blood were determined in mice fed high-fat (HF) diets supplemented with quercetin. Mice fed the HFQ diet gained less body, liver, and adipose weight, while liver lipid and blood glucose levels were also lowered. Diabetes-related plasma biomarkers insulin, leptin, resistin, and glucagon were significantly reduced by quercetin supplementation. In feces, quercetin supplementation significantly increased the relative abundance of Akkermansia and decreased the Firmicutes/Bacteroidetes ratio. The expression of genes Srebf1, Ppara, Cyp51, Scd1, and Fasn was downregulated by quercetin supplementation. These results indicated that diabetes biomarkers are associated with early metabolic changes accompanying obesity, and quercetin may ameliorate insulin resistance.
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Affiliation(s)
- Yuqing Tan
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agriculture University, Beijing 100083, China;
- Healthy Processed Foods Research Unit, Agricultural Research Service, United States Department of Agriculture, Albany, CA 94710, USA; (P.A.); (L.C.); (W.Y.)
| | - Christina C. Tam
- Foodborne Toxins Detection and Prevention Research Unit, Agricultural Research Service, United States Department of Agriculture, Albany, CA 94710, USA;
| | - Matt Rolston
- Host Microbe Systems Biology Core, University of California, One Shields Avenue, Davis, CA 95616, USA;
| | - Priscila Alves
- Healthy Processed Foods Research Unit, Agricultural Research Service, United States Department of Agriculture, Albany, CA 94710, USA; (P.A.); (L.C.); (W.Y.)
| | - Ling Chen
- Healthy Processed Foods Research Unit, Agricultural Research Service, United States Department of Agriculture, Albany, CA 94710, USA; (P.A.); (L.C.); (W.Y.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Shi Meng
- Nestlé R & D (China) Ltd., Beijing 100015, China
- Key Research Laboratory of Agro-Products Processing, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Correspondence: (S.M.); (H.H.)
| | - Hui Hong
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agriculture University, Beijing 100083, China;
- Correspondence: (S.M.); (H.H.)
| | - Sam K. C. Chang
- Experimental Seafood Processing Laboratory, Costal Research and Extension Center, Mississippi State University, Biloxi, MS 39579, USA;
| | - Wallace Yokoyama
- Healthy Processed Foods Research Unit, Agricultural Research Service, United States Department of Agriculture, Albany, CA 94710, USA; (P.A.); (L.C.); (W.Y.)
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22
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Structural characteristics of small-molecule inhibitors targeting FTO demethylase. Future Med Chem 2021; 13:1475-1489. [PMID: 34240624 DOI: 10.4155/fmc-2021-0132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Studies have shown that the FTO gene is closely related to obesity and weight gain in humans. FTO is an N6-methyladenosine demethylase and is linked to an increased risk of obesity and a variety of diseases, such as acute myeloid leukemia, type 2 diabetes, breast cancer, glioblastoma and cervical squamous cell carcinoma. In light of the significant role of FTO, the development of small-molecule inhibitors targeting the FTO protein provides not only a powerful tool for grasping the active site of FTO but also a theoretical basis for the design and synthesis of drugs targeting the FTO protein. This review focuses on the structural characteristics of FTO inhibitors and discusses the occurrence of obesity and cancer caused by FTO gene overexpression.
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Fukaya M, Sato Y, Kondo S, Adachi SI, Yoshizawa F, Sato Y. Quercetin enhances fatty acid β-oxidation by inducing lipophagy in AML12 hepatocytes. Heliyon 2021; 7:e07324. [PMID: 34195429 PMCID: PMC8233147 DOI: 10.1016/j.heliyon.2021.e07324] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 05/06/2021] [Accepted: 06/11/2021] [Indexed: 12/28/2022] Open
Abstract
Recent evidence demonstrated that chronic intake of quercetin attenuated hepatic fat accumulation in various animal models of obesity and diabetes. However, whether quercetin has the ability to enhance energy metabolism in hepatocytes and its exact mechanisms have yet to be identified. In the present study, we investigated whether quercetin directly enhanced the energy metabolism of cultured hepatocytes by focusing on lipophagy, involving selective autophagic degradation of lipid droplets. As an indicator of mitochondrial respiration, oxygen consumption was measured following 12-h treatment with quercetin or its related flavonoids, isorhamnetin and rutin (10 μM) using an extracellular flux analyzer. Treatment of alpha mouse liver 12 (AML12) hepatocytes with quercetin enhanced mitochondrial respiration, but isorhamnetin and rutin did not. Results of a palmitate-bovine serum albumin fatty acid oxidation assay showed that quercetin significantly increased the oxygen consumption of AML12 hepatocytes, suggesting enhanced fatty acid β-oxidation. However, as expression levels of mitochondrial oxidative phosphorylation proteins were unaltered by quercetin, we explored whether lipophagy contributed to enhanced fatty acid β-oxidation. Increased colocalization of lipid droplets and lysosomes confirmed that quercetin promoted lipophagy in AML12 hepatocytes. Furthermore, pharmacological inhibition of the autophagy–lysosomal pathway abolished the enhancement of fatty acid β-oxidation induced by quercetin in AML12 hepatocytes, suggesting that the enhancement of lipophagy by quercetin contributed to increased fatty acid β-oxidation. Finally, we showed that quercetin could activate AMPK signaling, which regulates autophagy even under nutrient-sufficient conditions. Our findings indicate that quercetin enhanced energy metabolism by a potentially novel mechanism involving promotion of lipophagy to produce the substrate for fatty acid β-oxidation in mitochondria through activation of AMPK signaling. Our results suggest the possibility that nutrient-induced lipophagy might contributes to the reduction of fat in hepatocytes.
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Affiliation(s)
- Misato Fukaya
- Department of Agrobiology and Bioresources, School of Agriculture, Utsunomiya University, Tochigi, 3218505, Japan
| | - Yoriko Sato
- Center for Bioscience Research and Education, Utsunomiya University, Tochigi, 3218505, Japan.,Department of Animal Science, School of Agriculture, Tokai University, Kumamoto, 8628652, Japan
| | - Shinji Kondo
- Center for Bioscience Research and Education, Utsunomiya University, Tochigi, 3218505, Japan
| | - Shin-Ichi Adachi
- Center for Bioscience Research and Education, Utsunomiya University, Tochigi, 3218505, Japan
| | - Fumiaki Yoshizawa
- Department of Agrobiology and Bioresources, School of Agriculture, Utsunomiya University, Tochigi, 3218505, Japan
| | - Yusuke Sato
- Department of Agrobiology and Bioresources, School of Agriculture, Utsunomiya University, Tochigi, 3218505, Japan.,Department of Animal Science, School of Agriculture, Tokai University, Kumamoto, 8628652, Japan
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Quercetin and non-alcoholic fatty liver disease: A review based on experimental data and bioinformatic analysis. Food Chem Toxicol 2021; 154:112314. [PMID: 34087406 DOI: 10.1016/j.fct.2021.112314] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 05/18/2021] [Accepted: 05/29/2021] [Indexed: 02/08/2023]
Abstract
Quercetin, a polyphenol widely present in the plant kingdom, has received great interest due to pleiotropic effects. As evidenced by animal and cellular studies, quercetin exerts hepatoprotection against non-alcoholic fatty liver disease (NAFLD), particularly in hepatic steatosis and hepatitis. Mechanically, various hypotheses of such protective effects have been actively proposed, including improving fatty acid metabolism, anti-inflammation, anti-oxidant, modulating gut microbiota and bile acid, etc. Here, the role of quercetin in NAFLD was summarized. With a particular focus on molecular mechanism, we comprehensively discussed the pathways of quercetin on NAFLD based on the analysis from Gene Expression Omnibus (GEO) database and experimental evidence.
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25
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Luo YC, Huang SH, Pathak N, Chuang YH, Yang JM. An integrated systematic approach for investigating microcurrent electrical nerve stimulation (MENS) efficacy in STZ-induced diabetes mellitus. Life Sci 2021; 279:119650. [PMID: 34048807 DOI: 10.1016/j.lfs.2021.119650] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 05/13/2021] [Accepted: 05/18/2021] [Indexed: 11/24/2022]
Abstract
Diabetes mellitus (DM) is a major metabolic disorder and an increasing health problem worldwide. Effective non-invasive therapies for DM are still lacking. Here, we have developed Microcurrent electrical nerve stimulation (MENS), a non-invasive therapy, and tested on 46 mice clustered into five groups, such as control, STZ-induced DM, and MENS treatment groups. Experimental results show that MENS treatment is able to improve seven biochemical indexes (e.g., hemoglobin A1c and glucose level). To investigate the mechanisms of MENS treatment on STZ-induced DM, we selected six representative samples to perform microarray experiments for several groups and developed an integrated Hierarchical System Biology Model (HiSBiM) to analyze these omics data. The results indicate that MENS can affect fatty acid metabolism pathways, peroxisome proliferator-activated receptor (PPAR) signaling pathway and cell cycle. Additionally, the DM biochemical indexes and omics data profiles of MENS treatment were found to be consistent. We then compared the therapeutic effects of MENS with anti-diabetic compounds (e.g., quercetin, metformin, and rosiglitazone), using the HiSBiM four-level biological functions and processes of multiple omics data. The results show MENS and these anti-diabetic compounds have similar effect pathways highly correlated to the diabetes processes, such as the PPAR signaling pathway, bile secretion, and insulin signaling pathways. We believe that MENS is an effective and non-invasive therapy for DM and our HiSBiM is an useful method for investigating multiple omics data.
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Affiliation(s)
- Yong-Chun Luo
- Institute of Bioinformatics and Systems Biology, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Sing-Han Huang
- Institute of Bioinformatics and Systems Biology, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Nikhil Pathak
- Institute of Bioinformatics and Systems Biology, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Yi-Hsuan Chuang
- Institute of Bioinformatics and Systems Biology, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Jinn-Moon Yang
- Institute of Bioinformatics and Systems Biology, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan; Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan; Center for Intelligent Drug Systems and Smart Bio-devices, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan.
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The Influence of Plant Extracts and Phytoconstituents on Antioxidant Enzymes Activity and Gene Expression in the Prevention and Treatment of Impaired Glucose Homeostasis and Diabetes Complications. Antioxidants (Basel) 2021; 10:antiox10030480. [PMID: 33803588 PMCID: PMC8003070 DOI: 10.3390/antiox10030480] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/05/2021] [Accepted: 03/11/2021] [Indexed: 11/25/2022] Open
Abstract
Diabetes is a complex metabolic disorder resulting either from insulin resistance or an impaired insulin secretion. Prolonged elevated blood glucose concentration, the key clinical sign of diabetes, initiates an enhancement of reactive oxygen species derived from glucose autoxidation and glycosylation of proteins. Consequently, chronic oxidative stress overwhelms cellular endogenous antioxidant defenses and leads to the acute and long-standing structural and functional changes of macromolecules resulting in impaired cellular functioning, cell death and organ dysfunction. The oxidative stress provoked chain of pathological events over time cause diabetic complications such as nephropathy, peripheral neuropathy, cardiomyopathy, retinopathy, hypertension, and liver disease. Under diabetic conditions, accompanying genome/epigenome and metabolite markers alterations may also affect glucose homeostasis, pancreatic β-cells, muscle, liver, and adipose tissue. By providing deeper genetic/epigenetic insight of direct or indirect dietary effects, nutrigenomics offers a promising opportunity to improve the quality of life of diabetic patients. Natural plant extracts, or their naturally occurring compounds, were shown to be very proficient in the prevention and treatment of different pathologies associated with oxidative stress including diabetes and its complications. Considering that food intake is one of the crucial components in diabetes’ prevalence, progression and complications, this review summarizes the effect of the major plant secondary metabolite and phytoconstituents on the antioxidant enzymes activity and gene expression under diabetic conditions.
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Syta E, Bobrowska-Korczak B. Nutrigenomics for the prevention and treatment diabetes. POSTEP HIG MED DOSW 2021. [DOI: 10.5604/01.3001.0014.7834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Diabetes mellitus is a metabolic disease that manifest itself hyperglycemia It is estimated
that about 422 million people worldwide are affected by this disease. Great hopes in the
prevention and support of pharmacological treatment of diabetes are associated with a new
scientific discipline, which is nutrigenomics. Lowering the reports in the field of physiology,
bromatology, genomics, proteomics, biochemistry or epigenetics, this field searches for and
explains the interactions of genes with food components at the molecular level. The article
presents the most important information on the bioactive effects of food (flavonoids, amino
acids, vitamins, fatty acids) on the expression of genes connected with secretion/action of
insulin and the metabolism of the glucose in the body. The article discusses the functions of
genes that work on the pathogenesis of diabetes development, and presents experimental
models in empirical research. In addition, it article presents the importance of epigenetic
factor in the development of type 2 diabetes mellitus, as well as basic informations in the
field of its diagnosis and differentiation.
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Affiliation(s)
- Ewa Syta
- Zakład Bromatologii, Wydział Farmaceutyczny, Warszawski Uniwersytet Medyczny
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28
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Al Duhaidahawi D, Hasan SA, Al Zubaidy HFS. Flavonoids in the Treatment of Diabetes: Clinical Outcomes and Mechanism to Ameliorate Blood Glucose Levels. Curr Diabetes Rev 2021; 17:e120720188794. [PMID: 33290200 DOI: 10.2174/1573399817666201207200346] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 09/25/2020] [Accepted: 10/08/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND For thousands of years, natural food products have been used as a medicine for treating diseases that affect the human body, including diabetes mellitus (DM). Lately, several investigations have been performed on the flavonoid derivatives of plant origin, and their biological activity has been extensively studied. METHODS Given our need to know more mechanisms for treating DM, we performed a thorough research review on treating diabetes mellitus based on flavonoids, their therapeutic potential, and biological action. RESULTS Flavonoids reduce complications in addition to their vital role as effective supplements for preventing diabetes mellitus by regulating glucose metabolism, lipid profile, liver enzyme activity, a protein kinase inhibitor, PPAR, and AMPK with NF-κB. CONCLUSION The articles that we reviewed showed the positive role of flavonoids, which in a certain way reduce diabetes, but their side effects still need to be studied further.This review is focused on describing the different types of dietary flavonoids along with their mechanisms of reducing blood glucose and enhancing insulin sensitivity, as well as their side effects.
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Affiliation(s)
- Dunya Al Duhaidahawi
- Faculty of Pharmacy, Department of Pharmacognacy, University of Kufa, AL-Najaf, Iraq
| | - Samer A Hasan
- Pharmacognacy, Pharmacy, University of Kufa, AL-Najaf, Iraq
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Kotb El-Sayed MI, Al-Massarani S, El Gamal A, El-Shaibany A, Al-Mahbashi HM. Mechanism of antidiabetic effects of Plicosepalus Acaciae flower in streptozotocin-induced type 2 diabetic rats, as complementary and alternative therapy. BMC Complement Med Ther 2020; 20:290. [PMID: 32967670 PMCID: PMC7509926 DOI: 10.1186/s12906-020-03087-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 09/15/2020] [Indexed: 01/11/2023] Open
Abstract
Background Diabetes and its related complications remain to be a major clinical problem. We aim to investigate the antidiabetic mechanistic actions of Plicosepalus Acaciae (PA) flowers in streptozotocin (STZ)-induced diabetic rats. Methods After diabetes induction, rats were divided randomly into five groups, including: 1) normal control group, 2) diabetic control group, 3) diabetic group treated with 150 mg/kg of ethanolic extract of PA flowers, 4) diabetic group treated with 300 mg/kg of ethanolic extract of PA flowers, and 5) diabetic group treated with 150 mg/kg of metformin. After 15 days of treatment; fasting blood glucose, glycated hemoglobin (HBA1c%), insulin, C-peptide, superoxide dismutase (SOD), catalase, reduced glutathione (GSH), malondialdehyde (MDA), triglyceride (TGs), total cholesterol (Tc), low density lipoprotein cholesterol (LDL-c), very LDL (VLDL), high DLc (HDL-c), tumor necrosis factor-α (TNF-α), and interleukin-6 (IL-6) levels were assessed. Histopathology of pancreas was also assessed. Results The results showed that PA flower ethanolic extract significantly reduced blood glucose, HBA1c%, MDA, TGs, Tc, VLDL, LDL-c, TNF-α, and IL-6 levels in a dose-dependent manner. All these parameters were already increased by diabetic induction in the untreated diabetic group. Treatment of diabetic rats with PA flower increased insulin, HDL-c, GSH, catalase, and SOD levels. Histological examination showed that the PA flower caused reconstruction, repair, and recovery of damaged pancreas when compared with the untreated group. Conclusions PA flower has a potential role in the management of diabetes as complementary and alternative therapy, due to its antioxidant, anti-inflammatory, hypolipidemic, hypoglycemic and insulin secretagogue effects.
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Affiliation(s)
- Mohamed-I Kotb El-Sayed
- Department of Biochemistry and molecular Biology, Faculty of Pharmacy, Helwan University, Ain Helwan, Helwan, P.O. Box 11790, Cairo, Egypt. .,Department of Biochemistry, Faculty of Pharmacy, Ahram Canadian University, Giza, Egypt.
| | - Shaza Al-Massarani
- Department of Pharmacognosy, Pharmacy College, King Saud University, Riyadh, Saudi Arabia
| | - Ali El Gamal
- Department of Pharmacognosy, Pharmacy College, King Saud University, Riyadh, Saudi Arabia.,Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Amina El-Shaibany
- Department of Pharmacognosy, Faculty of Pharmacy, Sana'a University, Sana'a, Yemen
| | - Hassan M Al-Mahbashi
- Department of Forensic Medicine and Clinical toxicology, Faculty of Medicine, Sana'a University, Sana'a, Yemen
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30
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Khlifi R, Dhaouefi Z, Toumia IB, Lahmar A, Sioud F, Bouhajeb R, Bellalah A, Chekir-Ghedira L. Erica multiflora extract rich in quercetin-3-O-glucoside and kaempferol-3-O-glucoside alleviates high fat and fructose diet-induced fatty liver disease by modulating metabolic and inflammatory pathways in Wistar rats. J Nutr Biochem 2020; 86:108490. [PMID: 32920086 DOI: 10.1016/j.jnutbio.2020.108490] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 06/28/2020] [Accepted: 08/13/2020] [Indexed: 12/17/2022]
Abstract
The wide morbidity of obesity has heightened interest in providing natural and safe compounds to maintain optimal health. The present study was designed to determine the chemical constituents and the effects of methanol leaf extract from Erica multiflora (M-EML) on mitigating high-fat and high-fructose diet (HFFD)-induced metabolic syndrome (MS). LC-MS/MS characterization of M-EML allowed the identification of 14 secondary metabolites and showed that quercetin-3-O-glucoside and kaempferol-3-O-glucoside were the main compounds of our extract. In the in vivo study, the oral administration of M-EML (250 mg/kg) during the last 4 weeks of the experimentation alleviated HFFD-induced obesity, insulin resistance (IR) and cardiovascular diseases. Thus, M-EML treatment significantly normalized body and liver weight, allowed to a sharp decline in plasma levels of TC, TG and LDL-c by 32%, 35% and 66%, respectively. Moreover, hepatic enzymes, total and direct bilirubin, lipase and uric acid levels have been diminished in treated group. Histopathology of the liver confirmed the changes induced by HFFD and the hepatoprotective effect of M-EML. The supply of M-EML reduced NO production and cellular lysosomal enzyme activity by 44% and 60%, respectively compared to HFFD. Besides, M-EML showed decreased pro-inflammatory cytokines levels (259.5±47.35 pg/ml and 56.08±1.56 pg/ml) of TNF-α and IL-6, respectively. In addition, M-EML reduced liver malondialdehyde (MDA) content and enhanced superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) activities. In contrast, these enzymatic activities have been disrupted in HFFD rats. Overall, M-EML prevented obesity through the modulation of metabolic syndrome, reducing inflammation and promoting antioxidant enzymes activities.
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Affiliation(s)
- Rihab Khlifi
- Unity of Bioactive and Natural Substances and Biotechnology UR17ES49, Faculty of Dental Medicine, University of Monastir, Avicenna Street, 5000 Monastir, Tunisia; Higher Institute of Biotechnology of Monastir, Avenue Tahar Hadded, BP 74, 5000 Monastir, Tunisia.
| | - Zaineb Dhaouefi
- Unity of Bioactive and Natural Substances and Biotechnology UR17ES49, Faculty of Dental Medicine, University of Monastir, Avicenna Street, 5000 Monastir, Tunisia
| | - Imène Ben Toumia
- Unity of Bioactive and Natural Substances and Biotechnology UR17ES49, Faculty of Dental Medicine, University of Monastir, Avicenna Street, 5000 Monastir, Tunisia; Faculty of Pharmacy, University of Monastir, Avicenna Street, 5000 Monastir, Tunisia
| | - Aida Lahmar
- Unity of Bioactive and Natural Substances and Biotechnology UR17ES49, Faculty of Dental Medicine, University of Monastir, Avicenna Street, 5000 Monastir, Tunisia
| | - Fairouz Sioud
- Unity of Bioactive and Natural Substances and Biotechnology UR17ES49, Faculty of Dental Medicine, University of Monastir, Avicenna Street, 5000 Monastir, Tunisia; Faculty of Pharmacy, University of Monastir, Avicenna Street, 5000 Monastir, Tunisia
| | - Rim Bouhajeb
- Unity of Bioactive and Natural Substances and Biotechnology UR17ES49, Faculty of Dental Medicine, University of Monastir, Avicenna Street, 5000 Monastir, Tunisia; Faculty of Pharmacy, University of Monastir, Avicenna Street, 5000 Monastir, Tunisia
| | - Ahlem Bellalah
- Department of Pathology, Fattouma Bourguiba University Hospital, Monastir, Tunisia
| | - Leila Chekir-Ghedira
- Unity of Bioactive and Natural Substances and Biotechnology UR17ES49, Faculty of Dental Medicine, University of Monastir, Avicenna Street, 5000 Monastir, Tunisia
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Koia JH, Shepherd P. The Potential of Anti-Diabetic Rākau Rongoā (Māori Herbal Medicine) to Treat Type 2 Diabetes Mellitus (T2DM) Mate Huka: A Review. Front Pharmacol 2020; 11:935. [PMID: 32694996 PMCID: PMC7339977 DOI: 10.3389/fphar.2020.00935] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 06/08/2020] [Indexed: 12/02/2022] Open
Abstract
T2DM (type 2 diabetes mellitus, or Māori term “mate huka”) is a major long-term health issue in New Zealand particularly among the Māori community. Non-insulin drugs commonly used in New Zealand for the treatment of T2DM have limits to their efficacy as well as side effects, which are of concern for diabetics. As such, the potential for natural products such as traditional rākau rongoā are of interest for potentially preventing the development of T2DM or improving the treatment of the disease. In particular, anti-diabetic effects have been reported for rākau rongoā such as karamu, kūmarahou, and kawakawa. Natural products have been identified in karamu, kūmarahou, and kawakawa that have documented potential effects on glucose metabolism that could contribute to the anti-diabetic effect of these rākau rongoā. As such, this could provide scientific insight into the mātauranga (traditional knowledge) developed over generations by Māori. However, detailed laboratory based and clinical studies would be required to understand and validate these properties of karamu, kūmarahou, and kawakawa, and to understand how they can be used in T2DM treatment. Social determinants of indigenous health such as language, culture, traditional knowledge, and identity, are important in understanding the relationship Māori have with their land and the mātauranga they developed of the medicinal properties within their rākau rongoā, over many centuries. Interestingly, traditional Māori views towards scientific research using animal models to test rākau rongoā are varied but supportive. Furthermore, cultural issues surrounding Māori mana motuhake (self-determination) of traditional rongoā Māori healing practices and the inequity faced by many kairongoā (rongoā Māori practitioners) and tohunga (healers) compared to mainstream health are a current issue within the New Zealand health system. As such, a cultural holistic approach for T2DM care among Māori would be advantageous. This review will outline the available evidence supporting the anti-diabetic efficacy of karamu, kūmarahou, and kawakawa. Currently though there is a lack of molecular research to understand the mechanisms of this efficacy, as such this review will also outline Te Reo Tipu Research, a kaupapa Māori framework for molecular and genomic research on taonga flora.
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Affiliation(s)
- Jonni Hazeline Koia
- Division of Health, Engineering, Computers and Science, School of Science, University of Waikato, Hamilton, New Zealand.,Department of Māori Health and Metabolic Disease, Te Reo Tipu Research Centre, Waikato, New Zealand
| | - Peter Shepherd
- Department of Molecular Medicine, University of Auckland, Auckland, New Zealand
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Ali AM, Gabbar MA, Abdel-Twab SM, Fahmy EM, Ebaid H, Alhazza IM, Ahmed OM. Antidiabetic Potency, Antioxidant Effects, and Mode of Actions of Citrus reticulata Fruit Peel Hydroethanolic Extract, Hesperidin, and Quercetin in Nicotinamide/Streptozotocin-Induced Wistar Diabetic Rats. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:1730492. [PMID: 32655759 PMCID: PMC7327566 DOI: 10.1155/2020/1730492] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 05/12/2020] [Accepted: 05/23/2020] [Indexed: 02/07/2023]
Abstract
This study is aimed at assessing the antihyperglycemic, antihyperlipidemic, and antioxidant effects of Citrus reticulata (C. reticulata) fruit peel hydroethanolic extract and two flavonoids, hesperidin and quercetin, in nicotinamide (NA)/streptozotocin- (STZ-) induced type 2 diabetic rats. In addition, GC-MS and HPLC-MS analyses of the extract were performed and the results indicated the presence of multiple flavonoids including hesperidin, quercetin, naringin, and polymethoxylated flavones (nobiletin and tangeretin). To achieve the aim of the study, diabetic rats with NA/STZ-induced T2DM were orally treated with C. reticulata fruit peel hydroethanolic extract, hesperidin, and quercetin at a dose of 100 mg/kg b.w./day for four weeks. The treatments with C. reticulata fruit peel extract, hesperidin, and quercetin significantly ameliorated the impaired oral glucose tolerance; the elevated serum fructosamine level; the diminished serum insulin and C-peptide levels; the altered HOMA-IR, HOMA-IS, and HOMA-β cell function; the decreased liver glycogen content; the increased liver glucose-6-phosphatase and glycogen phosphorylase activities; the deleteriously affected serum lipid profile; the elevated serum AST and ALT activities; and the raised serum creatinine and urea levels in the diabetic rats. The treatments also produced remarkable improvement in the antioxidant defense system manifested by a decrease in the elevated liver lipid peroxidation and an increase in the lowered glutathione content and GPx, GST, and SOD activities. Furthermore, the three treatments enhanced the mRNA expression of GLUT-4 and the insulin receptor β-subunit, but only quercetin produced a significant increase in the expression of adiponectin in adipose tissue of diabetic rats. In conclusion, C. reticulata fruit peel hydroethanolic extract, hesperidin, and quercetin have potent antidiabetic effects which may be mediated through their insulinotropic effects and insulin-sensitizing actions. In addition, the alleviation of the antioxidant defense system by the extract, hesperidin, and naringin may have an important action to enhance the antidiabetic actions and to improve liver and kidney functions in NA/STZ-induced diabetic rats.
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Affiliation(s)
- Alaa M. Ali
- Physiology Division, Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, P. O. Box 62521, Egypt
| | - Mohamed Abdel Gabbar
- Biochemistry Department, Faculty of Science, Beni-Suef University, Beni-Suef, P. O. Box 62521, Egypt
| | - Sanaa M. Abdel-Twab
- Physiology Division, Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, P. O. Box 62521, Egypt
| | - Eman M. Fahmy
- Department of Internal Medicine, Faculty of Medicine, Helwan University, Egypt
| | - Hossam Ebaid
- Department of Zoology, College of Science, King Saud University, P. O. Box 62521, Riyadh 11451, Saudi Arabia
- Department of Zoology, Faculty of Science, El-Minia University, P.O. Box 61519, Minya, Egypt
| | - Ibrahim M. Alhazza
- Department of Zoology, College of Science, King Saud University, P. O. Box 62521, Riyadh 11451, Saudi Arabia
| | - Osama M. Ahmed
- Physiology Division, Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, P. O. Box 62521, Egypt
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Little R, Houghton MJ, Carr IM, Wabitsch M, Kerimi A, Williamson G. The Ability of Quercetin and Ferulic Acid to Lower Stored Fat is Dependent on the Metabolic Background of Human Adipocytes. Mol Nutr Food Res 2020; 64:e2000034. [PMID: 32350998 DOI: 10.1002/mnfr.202000034] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 04/12/2020] [Indexed: 12/15/2022]
Abstract
SCOPE Dietary flavonoids and phenolic acids can modulate lipid metabolism, but effects on mature human adipocytes are not well characterized. MATERIALS AND METHODS Human adipocytes are differentiated, and contain accumulated lipids, mimicking white adipocytes. They are then cultured either under conditions of actively synthesizing and accumulating additional lipids through lipogenesis ("ongoing lipogenic state") or under conditions of maintaining but not increasing stored lipids ("lipid storage state"). Total lipid, lipidomic and transcriptomics analyses are employed to assess changes after treatment with quercetin and/or ferulic acid. RESULTS In the "lipid storage state," a longer-term treatment (3 doses over 72 h) with low concentrations of quercetin and ferulic acid together significantly lowered stored lipid content, modified lipid composition, and modulated genes related to lipid metabolism with a strong implication of peroxisome proliferator-activated receptor (PPARα)/retinoid X receptor (RXRα) involvement. In the "ongoing lipogenic state," the effect of quercetin and ferulic acid is markedly different, with fewer changes in gene expression and lipid composition, and no detectable involvement of PPARα/RXRα, with a tenfold higher concentration required to attenuate stored lipid content. CONCLUSIONS Multiple low-dose treatment of quercetin and ferulic acid modulates lipid metabolism in adipocytes, but the effect is dramatically dependent on the metabolic state of the cell.
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Affiliation(s)
- Robert Little
- School of Food Science and Nutrition, University of Leeds, Woodhouse Lane, Leeds, LS2 9JT, UK
| | - Michael J Houghton
- School of Food Science and Nutrition, University of Leeds, Woodhouse Lane, Leeds, LS2 9JT, UK.,Department of Nutrition, Dietetics and Food, School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing and Health Sciences, Monash University, BASE Facility, 264 Ferntree Gully Road, Notting Hill, VIC, 3168, Australia
| | - Ian M Carr
- Saint James' University Hospital, Granville Road, Leeds, LS9 7TF, UK
| | - Martin Wabitsch
- Division of Paediatric Endocrinology and Diabetes, Department of Paediatrics and Adolescent Medicine University Medical Centre, University of Ulm, Ulm, 89075, Germany
| | - Asimina Kerimi
- School of Food Science and Nutrition, University of Leeds, Woodhouse Lane, Leeds, LS2 9JT, UK.,Department of Nutrition, Dietetics and Food, School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing and Health Sciences, Monash University, BASE Facility, 264 Ferntree Gully Road, Notting Hill, VIC, 3168, Australia
| | - Gary Williamson
- School of Food Science and Nutrition, University of Leeds, Woodhouse Lane, Leeds, LS2 9JT, UK.,Department of Nutrition, Dietetics and Food, School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing and Health Sciences, Monash University, BASE Facility, 264 Ferntree Gully Road, Notting Hill, VIC, 3168, Australia
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Bulboaca AE, Boarescu PM, Porfire AS, Dogaru G, Barbalata C, Valeanu M, Munteanu C, Râjnoveanu RM, Nicula CA, Stanescu IC. The Effect of Nano-Epigallocatechin-Gallate on Oxidative Stress and Matrix Metalloproteinases in Experimental Diabetes Mellitus. Antioxidants (Basel) 2020; 9:antiox9020172. [PMID: 32093214 PMCID: PMC7070619 DOI: 10.3390/antiox9020172] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 02/17/2020] [Accepted: 02/18/2020] [Indexed: 12/11/2022] Open
Abstract
Background: The antioxidant properties of epigallocatechin-gallate (EGCG), a green tea compound, have been already studied in various diseases. Improving the bioavailability of EGCG by nanoformulation may contribute to a more effective treatment of diabetes mellitus (DM) metabolic consequences and vascular complications. The aim of this study was to test the comparative effect of liposomal EGCG with EGCG solution in experimental DM induced by streptozotocin (STZ) in rats. Method: 28 Wistar-Bratislava rats were randomly divided into four groups (7 animals/group): group 1—control group, with intraperitoneal (i.p.) administration of 1 mL saline solution (C); group 2—STZ administration by i.p. route (60 mg/100 g body weight, bw) (STZ); group 3—STZ administration as before + i.p. administration of EGCG solution (EGCG), 2.5 mg/100 g b.w. as pretreatment; group 4—STZ administration as before + i.p. administration of liposomal EGCG, 2.5 mg/100 g b.w. (L-EGCG). The comparative effects of EGCG and L-EGCG were studied on: (i) oxidative stress parameters such as malondialdehyde (MDA), indirect nitric oxide (NOx) synthesis, and total oxidative status (TOS); (ii) antioxidant status assessed by total antioxidant capacity of plasma (TAC), thiols, and catalase; (iii) matrix-metalloproteinase-2 (MMP-2) and -9 (MMP-9). Results: L-EGCG has a better efficiency regarding the improvement of oxidative stress parameters (highly statistically significant with p-values < 0.001 for MDA, NOx, and TOS) and for antioxidant capacity of plasma (highly significant p < 0.001 for thiols and significant for catalase and TAC with p < 0.05). MMP-2 and -9 were also significantly reduced in the L-EGCG-treated group compared with the EGCG group (p < 0.001). Conclusions: the liposomal nanoformulation of EGCG may serve as an adjuvant therapy in DM due to its unique modulatory effect on oxidative stress/antioxidant biomarkers and MMP-2 and -9.
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Affiliation(s)
- Adriana Elena Bulboaca
- Department of Pathophysiology, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Victor Babeş Street, no. 2-4, 400012 Cluj-Napoca, Romania
| | - Paul-Mihai Boarescu
- Department of Pathophysiology, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Victor Babeş Street, no. 2-4, 400012 Cluj-Napoca, Romania
- Correspondence: (P.-M.B.); (A.S.P.); (G.D.); Tel.: +40-752-921-725 (P.-M.B.); +40-264-595-770 (A.S.P.); +40-724-231-022 (G.D.)
| | - Alina Silvia Porfire
- Department of Pharmaceutical Technology and Biopharmaceutics, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Victor Babeş Street, no. 41, 400012 Cluj-Napoca, Romania
- Correspondence: (P.-M.B.); (A.S.P.); (G.D.); Tel.: +40-752-921-725 (P.-M.B.); +40-264-595-770 (A.S.P.); +40-724-231-022 (G.D.)
| | - Gabriela Dogaru
- Department of Physical Medicine and Rehabilitation, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Viilor Street, no. 46-50, 400347 Cluj-Napoca, Romania
- Correspondence: (P.-M.B.); (A.S.P.); (G.D.); Tel.: +40-752-921-725 (P.-M.B.); +40-264-595-770 (A.S.P.); +40-724-231-022 (G.D.)
| | - Cristina Barbalata
- Department of Pharmaceutical Technology and Biopharmaceutics, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Victor Babeş Street, no. 41, 400012 Cluj-Napoca, Romania
| | - Madalina Valeanu
- Department of Medical Informatics and Biostatistics, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Louis Pasteur Street, no. 6, 400349 Cluj-Napoca, Romania
| | - Constantin Munteanu
- Department of Medical Rehabilitation, “BagdasarArseni” Emergency Clinical Hospital Bucharest, Berceni Street, no. 12, 041915 Cluj-Napoca, Romania
| | - Ruxandra Mioara Râjnoveanu
- Department of Pneumology, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, B.P. Hasdeu Street, no. 6, 400371 Cluj-Napoca, Romania
| | - Cristina Ariadna Nicula
- Department of Ophthalmology, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Clinicilor Street, no. 3-5, 400006 Cluj-Napoca, Romania
| | - Ioana Cristina Stanescu
- Department of Neurology, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Victor Babeş Street, no. 43, 400012 Cluj-Napoca, Romania
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Rajan L, Palaniswamy D, Mohankumar SK. Targeting obesity with plant-derived pancreatic lipase inhibitors: A comprehensive review. Pharmacol Res 2020; 155:104681. [PMID: 32045666 DOI: 10.1016/j.phrs.2020.104681] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 02/03/2020] [Accepted: 02/03/2020] [Indexed: 12/19/2022]
Abstract
The prevalence of obesity is alarmingly increasing in the last few decades and leading to many serious public health concerns worldwide. The dysregulated lipid homeostasis due to various genetic, environmental and lifestyle factors is considered one of the critical putative pathways mediating obesity. Nonetheless, the scientific advancements unleashing the molecular dynamics of lipid metabolism have provided deeper insights on the emerging roles of lipid hydrolysing enzymes, including pancreatic lipase. It is hypothesized that inhibiting pancreatic lipase would prevent the breakdown of triglyceride and delays the absorption of fatty acids into the systemic circulation and adipocytes. Whilst, orlistat is the only conventional pancreatic lipase enzyme inhibitor available in clinics, identifying the safe clinical alternatives from plants to inhibit pancreatic lipase has been considered a significant advancement. Consequently, plants which have shown significant potential to combat obesity are now revisited for its abilities to inhibit pancreatic lipase. In this regard, our review surveyed the potential of medicinal plants and its phytoconstituents to inhibit pancreatic lipase and to elicit anti-obesity effects. Thus, the review collate and critically appraise the potential of medicinal plants and phyto-molecules inhibiting pancreatic lipase enzyme and consequently modulating triglyceride absorption in gut, and discuss its implications in the development of novel therapeutic strategies to combat obesity.
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Affiliation(s)
- Logesh Rajan
- TIFAC CORE in Herbal Drugs, Department of Pharmacognosy, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Rockland's, Ooty, 643001, Tamil Nadu, India
| | - Dhanabal Palaniswamy
- TIFAC CORE in Herbal Drugs, Department of Pharmacognosy, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Rockland's, Ooty, 643001, Tamil Nadu, India
| | - Suresh Kumar Mohankumar
- TIFAC CORE in Herbal Drugs, Department of Pharmacognosy, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Rockland's, Ooty, 643001, Tamil Nadu, India.
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Flavonoids and type 2 diabetes: Evidence of efficacy in clinical and animal studies and delivery strategies to enhance their therapeutic efficacy. Pharmacol Res 2020; 152:104629. [PMID: 31918019 DOI: 10.1016/j.phrs.2020.104629] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 12/23/2019] [Accepted: 01/02/2020] [Indexed: 12/26/2022]
Abstract
Diabetes mellitus type 2 (T2DM) is a metabolic disorder develops due to the overproduction of free radicals where oxidative stress could contribute it. Possible factors are defective insulin signals, glucose oxidation, and degradation of glycated proteins as well as alteration in glutathione metabolism which induced hyperglycemia. Previous studies revealed a link between T2DM with oxidative stress, inflammation and insulin resistance which are assumed to be regulated by numerous cellular networks such as NF-κB, PI3K/Akt, MAPK, GSK3 and PPARγ. Flavonoids are ubiquitously present in the nature and classified according to their chemical structures for example, flavonols, flavones, flavan-3-ols, anthocyanidins, flavanones, and isoflavones. Flavonoids indicate poor bioavailability which could be improved by employing various nano-delivery systems against the occurrences of T2DM. These bioactive compounds exert versatile anti-diabetic activities via modulating targeted cellular signaling networks, thereby, improving glucose metabolism, α -glycosidase, and glucose transport or aldose reductase by carbohydrate metabolic pathway in pancreatic β-cells, hepatocytes, adipocytes and skeletal myofibres. Moreover, anti-diabetic properties of flavonoids also encounter diabetic related complications. This review article has designed to shed light on the anti-diabetic potential of flavonoids, contribution of oxidative stress, evidence of efficacy in clinical, cellular and animal studies and nano-delivery approaches to enhance their therapeutic efficacy. This article might give some new insights for therapeutic intervention against T2DM in near future.
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Yan S, Wong KC. GESgnExt: Gene Expression Signature Extraction and Meta-Analysis on Gene Expression Omnibus. IEEE J Biomed Health Inform 2020; 24:311-318. [DOI: 10.1109/jbhi.2019.2896144] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Dinda B, Dinda M, Roy A, Dinda S. Dietary plant flavonoids in prevention of obesity and diabetes. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2019; 120:159-235. [PMID: 32085882 DOI: 10.1016/bs.apcsb.2019.08.006] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Obesity and diabetes are the most prevailing chronic metabolic diseases worldwide from mainly lipid and glucose metabolic dysfunctions and their incidence is increasing at an alarming high rate. Obesity is characterized by excess fat accumulation in WAT and liver and is the central player of insulin resistance in the peripheral tissues from chronic inflammation, lipotoxicity and gut dysbiosis, and plays a key role for development of type 2 diabetes (T2DM) and vascular diseases. Diabetes mellitus, known as diabetes, is chiefly characterized by hyperglycaemia from impaired insulin secretion and insulin resistance. Several identified mutant genes in insulin secretion and resistance and various environmental factors are considered responsible for the onset of this disease. Currently available oral synthetic drugs, biguanides, incretin mimetic, GLP-1R and PPAR agonists and DPP-4 inhibitors for management of obesity and diabetes have several adverse effects in patients on long-term use. Emerging evidence supports the efficacy of dietary plant flavonoids in prevention and attenuation of obesity and diabetes by the protection and proliferation of pancreatic beta-cells and improvement of their insulin secretory function via activation of cAMP/PKA signaling pathway as well as in the improvement of insulin sensitivity in the peripheral metabolic tisssues for glucose uptake and utilization via inhibition of inflammation, lipotoxicity and oxidative stress. These flavonoids improve GLUT-4 expression and translocation to plasma membrane by activation of insulin-sensitive PI3K/Akt signaling and insulin-independent AMPK, SIRT-1 and MOR activation pathways for regulation of glucose homeostasis, and improve fat oxidation and reduce lipid synthesis by regulation of related genes for lipid homeostasis in the body of obese diabetic animals. In this chapter, we have highlighted all these beneficial anti-obesity and antidiabetic potentials of some dietary plant flavonoids along with their molecular actions, bioavailability and pharmacokinetics. In addition, the present understanding and management of obesity and diabetes are also focused.
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Affiliation(s)
- Biswanath Dinda
- Department of Chemistry, Tripura University, Agartala, Tripura, India
| | - Manikarna Dinda
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, United States
| | - Arup Roy
- Chemical Science & Technology Division, CSIR - North East Institute of Science and Technology, Jorhat, Assam, India
| | - Subhajit Dinda
- Department of Chemistry, Dasaratha Deb Memorial College, Khowai, Tripura, India
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Ulusoy HG, Sanlier N. A minireview of quercetin: from its metabolism to possible mechanisms of its biological activities. Crit Rev Food Sci Nutr 2019; 60:3290-3303. [PMID: 31680558 DOI: 10.1080/10408398.2019.1683810] [Citation(s) in RCA: 156] [Impact Index Per Article: 31.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Quercetin, one of the most taken flavonoid with diet, belongs to the family of flavonols in which kaempferol and myricetin are also found. Quercetin occurs as a glycoside (with linked sugars) or as an aglycone (without linked sugars). Although quercetin has many different forms in nature, the form found in plants is quercetin-3-O-glucoside, which generally functions as a pigment that gives color to a multitude of fruits and vegetables. The recent literature has been reviewed using PubMed, Science Direct, and Embase databases. In this article, we reviewed quercetin with respect to chemical properties, absorption mechanism, metabolism, bioavailability, food sources, bioactivities, and possible health-promoting mechanisms. Quercetin is known as an antioxidant, anti-inflammatory, cardioprotective, and anti-obesity compound. It is thought to be beneficial against cardiovascular diseases, cancer, diabetes, neurological diseases, obesity, allergy asthma, and atopic diseases. Further clinical studies with large sample sizes are needed to determine the appropriate dose and form of quercetin for preventing diseases.
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Affiliation(s)
- Hande Gül Ulusoy
- School of Health Sciences, Department of Nutrition and Dietetic, Ankara Medipol University, Ankara, Turkey
| | - Nevin Sanlier
- School of Health Sciences, Department of Nutrition and Dietetic, Ankara Medipol University, Ankara, Turkey
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Al-Ishaq RK, Abotaleb M, Kubatka P, Kajo K, Büsselberg D. Flavonoids and Their Anti-Diabetic Effects: Cellular Mechanisms and Effects to Improve Blood Sugar Levels. Biomolecules 2019; 9:E430. [PMID: 31480505 PMCID: PMC6769509 DOI: 10.3390/biom9090430] [Citation(s) in RCA: 267] [Impact Index Per Article: 53.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 08/14/2019] [Accepted: 08/22/2019] [Indexed: 12/19/2022] Open
Abstract
Diabetes mellitus (DM) is a prevailing global health metabolic disorder, with an alarming incidence rate and a huge burden on health care providers. DM is characterized by the elevation of blood glucose due either to a defect in insulin synthesis, secretion, binding to receptor, or an increase of insulin resistance. The internal and external factors such as obesity, urbanizations, and genetic mutations could increase the risk of developing DM. Flavonoids are phenolic compounds existing as secondary metabolites in fruits and vegetables as well as fungi. Their structure consists of 15 carbon skeletons and two aromatic rings (A and B) connected by three carbon chains. Flavonoids are furtherly classified into 6 subclasses: flavonols, flavones, flavanones, isoflavones, flavanols, and anthocyanidins. Naturally occurring flavonoids possess anti-diabetic effects. As in vitro and animal model's studies demonstrate, they have the ability to prevent diabetes and its complications. The aim of this review is to summarize the current knowledge addressing the antidiabetic effects of dietary flavonoids and their underlying molecular mechanisms on selected pathways: Glucose transporter, hepatic enzymes, tyrosine kinase inhibitor, AMPK, PPAR, and NF-κB. Flavonoids improve the pathogenesis of diabetes and its complications through the regulation of glucose metabolism, hepatic enzymes activities, and a lipid profile. Most studies illustrate a positive role of specific dietary flavonoids on diabetes, but the mechanisms of action and the side effects need more clarification. Overall, more research is needed to provide a better understanding of the mechanisms of diabetes treatment using flavonoids.
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Affiliation(s)
- Raghad Khalid Al-Ishaq
- Department of Physiology and Biophysics, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, Doha 24144, Qatar
| | - Mariam Abotaleb
- Department of Physiology and Biophysics, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, Doha 24144, Qatar
| | - Peter Kubatka
- Department of Medical Biology and Department of Experimental Carcinogenesis, Division of Oncology, Biomedical Center Martin, Jessenius Faculty of Medicine, Comenius University in Bratislava, 03601 Martin, Slovak Republic
| | - Karol Kajo
- Department of Pathology, St. Elizabeth Cancer Institute Hospital, 81250 Bratislava, Slovak Republic
- Biomedical Research Centre, Slovak Academy of Sciences, 81439 Bratislava, Slovak Republic
| | - Dietrich Büsselberg
- Department of Physiology and Biophysics, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, Doha 24144, Qatar.
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Quercetin Regulates the Integrated Stress Response to Improve Memory. Int J Mol Sci 2019; 20:ijms20112761. [PMID: 31195662 PMCID: PMC6600673 DOI: 10.3390/ijms20112761] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 06/02/2019] [Accepted: 06/03/2019] [Indexed: 12/11/2022] Open
Abstract
The initiation of protein synthesis is suppressed under several stress conditions, inducing phosphorylation of the α-subunit of the eukaryotic initiation factor 2 (eIF2α), thereby inactivating the GTP-GDP recycling protein eIF2B. By contrast, the mammalian activating transcription factor 4 (ATF4, also known as cAMP response element binding protein 2 (CREB2)) is still translated under stress conditions. Four protein kinases (general control nonderepressible-2 (GCN2) kinase, double-stranded RNA-activated protein kinase (PKR), PKR-endoplasmic reticulum (ER)-related kinase (PERK), and heme-regulated inhibitor kinase (HRI)) phosphorylate eIF2α in the presence of stressors such as amino acid starvation, viral infection, ER stress, and heme deficiency. This signaling reaction is known as the integrated stress response (ISR). Here, we review ISR signaling in the brain in a mouse model of Alzheimer’s disease (AD). We propose that targeting ISR signaling with quercetin has therapeutic potential, because it suppresses amyloid-β (Aβ) production in vitro and prevents cognitive impairments in a mouse model of AD.
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Kumar A, Aswal S, Chauhan A, Semwal RB, Kumar A, Semwal DK. Ethnomedicinal Investigation of Medicinal Plants of Chakrata Region (Uttarakhand) Used in the Traditional Medicine for Diabetes by Jaunsari Tribe. NATURAL PRODUCTS AND BIOPROSPECTING 2019; 9:175-200. [PMID: 30968350 PMCID: PMC6538708 DOI: 10.1007/s13659-019-0202-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Accepted: 03/26/2019] [Indexed: 06/09/2023]
Abstract
The Himalayan region is the treasure house of natural wealth, particularly of medicinal and aromatic plants. These plants are used by the Indian traditional healers for the past many centuries to treat various ailments such as skin disorders, asthma, diabetes, snake bite, fever, pain, eye diseases, diarrhoea, indigestion, jaundice, burn, wound, liver disorder, CNS disorders and urinary tract infection. The indigenous traditional knowledge of medicinal plants and therapies of various local communities has been lost due to changes in traditional culture and the introduction of modern technologies. Therefore, it is essential to explore the traditional knowledge of the indigenous medicinal plants mainly in such areas where there is a severe threat to natural vegetation owing to human inhabitation. The present study aimed to explore the medicinal plants of Chakrata region (Jaunsar-Bawar Hills), Uttarakhand, India used in the folk medicine for the management of diabetes by Jaunsari Tribe. In a comprehensive field survey, the information about the medicinal plants have been mainly collected from the traditional healers and other elderly people belong to the tribal community. All the information about the medicinal plants of the study area was documented in a field book. Various tools have been used to collect the samples for identification purpose and the authentication of the plants was done with the help of taxonomists. The literature on these plants was also searched from online (PubMed and Scopus) as well as from some textbooks and Ayurvedic classical texts. The present survey-based work described a total of 54 plants belonging to 47 genera and 30 families used in the traditional medicine for the management of diabetes in Chakrata region. The information gathered from the local community revealed that the plants are effective in diabetes and one can use most of them without consulting a practitioner or traditional healer. The literature revealed that most of the surveyed plants are already used in the preparation of various antidiabetic formulations such as Chandraprabha vati, Nishamalaki chunra, Amritamehari churna and Nisakathakadi kashayam along with various patent drugs which are frequently prescribed by the Ayurvedic practitioners in India. The present study explored the traditional as well as scientific knowledge on the antidiabetic plants used by the tribal community. The documented information on these plants can be further used by the scientific community to develop new drugs/formulations with the help of modern techniques.
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Affiliation(s)
- Ankit Kumar
- Research and Development Centre, Faculty of Biomedical Sciences, Uttarakhand Ayurved University, Harrawala, Dehradun, 248001, India
| | - Sonali Aswal
- Research and Development Centre, Faculty of Biomedical Sciences, Uttarakhand Ayurved University, Harrawala, Dehradun, 248001, India
| | - Ashutosh Chauhan
- Department of Biotechnology, Faculty of Biomedical Sciences, Uttarakhand Ayurved University, Harrawala, Dehradun, 248001, India
| | - Ruchi Badoni Semwal
- Department of Chemistry, Pt. Lalit Mohan Sharma Government Postgraduate College, Rishikesh, Uttarakhand, 249201, India
| | - Abhimanyu Kumar
- Uttarakhand Ayurved University, Harrawala, Dehradun, 248001, India
| | - Deepak Kumar Semwal
- Department of Phytochemistry, Faculty of Biomedical Sciences, Uttarakhand Ayurved University, Harrawala, Dehradun, 248001, India.
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Carrasco-Pozo C, Cires MJ, Gotteland M. Quercetin and Epigallocatechin Gallate in the Prevention and Treatment of Obesity: From Molecular to Clinical Studies. J Med Food 2019; 22:753-770. [PMID: 31084513 DOI: 10.1089/jmf.2018.0193] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Obesity is a worldwide epidemic, which is characterized by the excess accumulation of adipose tissue and to an extent that impairs both the physical and psychosocial health and well-being. There are several weight-loss strategies available, including dietary modification, pharmacotherapy, and bariatric surgery, but many are ineffective or not a long-term solution. Bioactive compounds present in medicinal plants and plant extracts, like polyphenols, constitute the oldest and most extensive form of alternative treatments for the prevention and management of obesity. Their consumption is currently increasing in the population due to the high cost, potential adverse effects, and limited benefits of the currently available pharmaceutical drugs. A great number of studies has explored how dietary polyphenols can interfere with the different mechanisms associated with obesity development. They suggest that these compounds can decrease energy and food intake, lipogenesis, and preadipocyte differentiation and proliferation, while increasing energy expenditure, lipolysis, and fat oxidation. Both quercetin, one of the most common dietary flavonols in the western diet, and epigallocatechin gallate (EGCG), the most abundant polyphenol in green tea, exhibit antiobesity effects in adipocyte cultures and animal models. However, the extrapolation of these potential benefits to obese humans remains unclear. Although quercetin supplementation does not seem to exert any beneficial effects on body weight, this polyphenol could prevent the obesity-associated mortality by reducing cardiovascular disease risk. An important consideration for the design of further trials is the occurrence of gene polymorphisms in key enzymes involved in flavanol metabolism, which determines a subject's sensitivity to catechins and seems, therefore, crucial for the success of the antiobesity intervention. Although the evidence supporting antiobesity effects is more consistent in EGCG than with quercetin studies, they could still be beneficial by reducing the cardiovascular risk of obese subjects, rather than inducing body weight loss.
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Affiliation(s)
- Catalina Carrasco-Pozo
- 1Department of Nutrition, Faculty of Medicine, University of Chile, Independencia, Chile.,2Discovery Biology, Griffith Institute for Drug Discovery, Griffith University, Nathan, Queensland, Australia
| | - María Jose Cires
- 1Department of Nutrition, Faculty of Medicine, University of Chile, Independencia, Chile
| | - Martin Gotteland
- 1Department of Nutrition, Faculty of Medicine, University of Chile, Independencia, Chile.,3Laboratory of Microbiology and Probiotics, Institute of Nutrition and Food Technology (INTA), University of Chile, Santiago, Chile
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Koch W. Dietary Polyphenols-Important Non-Nutrients in the Prevention of Chronic Noncommunicable Diseases. A Systematic Review. Nutrients 2019; 11:nu11051039. [PMID: 31075905 PMCID: PMC6566812 DOI: 10.3390/nu11051039] [Citation(s) in RCA: 113] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 04/25/2019] [Accepted: 05/06/2019] [Indexed: 12/12/2022] Open
Abstract
The improvement of the social and economic conditions of society has eliminated the threat of death from the majority of infectious diseases. However, the rapid progress of civilization has created new possibilities for the appearance of factors with adverse effects for the health of society. This has led to increased morbidity from certain diseases, the presence of which had not been observed several centuries ago. Chronic noncommunicable diseases (e.g., cancers, cardio-vascular disorders, diabetes, obesity, neurodegenerative diseases) result from an inappropriate relationship between people and their environment. The common characteristic for all chronic diseases is a “new” form of inflammation, very often called metaflammation, which is considered as a subclinical, permanent inflammation. As a result, metabolic cascade, including cellular oxidative stress, atherosclerotic process, and insulin resistance, occurs, which slowly generates significant deterioration in the organism. Polyphenols are the major group of non-nutrients, considering their diversity, food occurrence, and biological properties. The current review aims to present a wide spectrum of literature data, including the molecular mechanism of their activity and experimental model used, and summarize the recent findings on the multitude of physiological effects of dietary polyphenols towards the prevention of several chronic diseases. However, despite several studies, the estimation of their dietary intake is troublesome and inconclusive, which will be also discussed.
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Affiliation(s)
- Wojciech Koch
- Chair and Department of Food and Nutrition, Faculty of Pharmacy, Medical University of Lublin, 4a Chodźki Str., 20-093 Lublin, Poland.
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Ghorbani A, Rashidi R, Shafiee-Nick R. Flavonoids for preserving pancreatic beta cell survival and function: A mechanistic review. Biomed Pharmacother 2019; 111:947-957. [PMID: 30841474 DOI: 10.1016/j.biopha.2018.12.127] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 12/26/2018] [Accepted: 12/30/2018] [Indexed: 12/19/2022] Open
Abstract
Although the currently available antidiabetic medications are effective in managing hyperglycemia, vascular complications are common in diabetic patients. Cohort studies have shown preserved beta cell function has a protective role against the development of diabetic complications. Accordingly, beta cell mass and function are important pharmacological targets in the field of diabetes. Growing number of evidence supports the efficacy of flavonoids (e.g., quercetin, kaempferol, luteolin, and epicatechin) for prevention and attenuation of diabetes consequences. The focus of this paper is to give an overview regarding the effects of flavonoids on pancreatic beta cells. Experiments on insulin-releasing cell lines, isolated pancreatic islets, and diabetic animal models have shown that flavonoids strengthen the survival processes and insulin secretory capacity of beta cells. The proposed mechanisms by which flavonoids preserve beta cells survival (against cytokines, glucotoxicity, and lipotoxicity) include inhibition of NF-κB signaling, activation of PI3K/Akt pathway, inhibition of nitric oxide generation, and decrease of reactive oxygen species levels. Improving mitochondrial bioenergetic function and stimulating pathways of insulin secretion (e.g., PLC/PKC and/or cAMP/PKA signaling) are mechanisms by which flavonoids improve the secretory capacity of beta cells. These beneficial effects of flavonoids are of great importance because may protect beta cells of diabetic patients before dramatic dysfunction and degeneration.
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Affiliation(s)
- Ahmad Ghorbani
- Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Roghayeh Rashidi
- Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Reza Shafiee-Nick
- Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pharmacology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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Anjani PP, Damayanthi E, Rimbawan, Handharyani E. Antidiabetic potential of purple okra (Abelmoschus esculentus L.) extract in streptozotocin-induced diabetic rats. ACTA ACUST UNITED AC 2018. [DOI: 10.1088/1755-1315/196/1/012038] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Ding Y, Che D, Li C, Cao J, Wang J, Ma P, Zhao T, An H, Zhang T. Quercetin inhibits Mrgprx2-induced pseudo-allergic reaction via PLCγ-IP3R related Ca 2+ fluctuations. Int Immunopharmacol 2018; 66:185-197. [PMID: 30471617 DOI: 10.1016/j.intimp.2018.11.025] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Revised: 11/15/2018] [Accepted: 11/15/2018] [Indexed: 11/18/2022]
Abstract
An allergic reaction is a potentially fatal hypersensitivity response caused by mast cell activation, particularly histamine and lipid mediators. Histamine release caused by reaction to drugs is considered a pseudo-allergic reaction. Quercetin is known for its anti-allergic immune effect. However, at present, its anti-pseudo-allergic effect and its mechanism are less investigated. Therefore, the purpose of this study was to evaluate the anti-pseudo-allergic effect of Quercetin in vivo and to explore the mechanism in vitro. The anti-pseudo-allergic activity of Quercetin was evaluated in vivo using a mouse model, while Quercetin mechanism of action was examined in vitro using HEK293 cells expressing Mrgprx2, a mast cell specific receptor, and LAD2 mast cell line. Our in vivo results showed that Quercetin could attenuate Evans blue leakage in the paws and hind paw thickness in C57BL/6 mice in a dose-dependent manner, and could significantly inhibit serum histamine and chemokines release. In addition, it suppressed calcium mobilization and attenuated the release of histamine and MCP-1 in peritoneal mast cells in a dose-dependent manner. Furthermore, it inhibited the vasodilation due to histamine, the release of eosinophils, and the percentage of degranulated mast cells, indicating that Quercetin antagonized mast cell mediators in vivo, histamine-induced vasodilation and eosinophil release. In vitro results showed that Quercetin reduced pseudo-allergic induced calcium influx, suppressed degranulation and chemokines release in a similar way as dexamethasone (100 μM) (mast cell stabilizer) in LAD2 mast cell line. In addition, Quercetin inhibited Mrgprx2-induced both calcium influx and pseudo-allergic reaction in HEK293 cells expressing Mrgprx2. C48/80, a histamine promoter, and Substance P (a neuropeptide) EC50 was higher when combined with Quercetin compared to the EC50 of these compounds alone, suggesting that Quercetin could inhibit Mrgprx2-induced pseudo-allergic reaction. Furthermore, Quercetin decreased PLCγ-IP3R signaling pathway activation induced by C48/80 in LAD2 mast cell line. In Mrgprx2 knockdown LAD2 cells, the effect of Quercetin (200 μM) reduced C48/80 induced calcium flux and the release of β‑hexosaminidase, histamine, MCP-1 and IL-8 compared with non-atopic control (NC) transfected LAD2 human mast cells, suggesting that Quercetin anti-pseudo-allergic effect was related to Mrgprx2. The docking results showed that Quercetin had a good binding affinity with Mrgprx2 similar to the one of Substance P and C48/80. Therefore, Quercetin inhibited Mrgprx2-induced pseudo-allergic reaction via PLCγ-IP3R associated Ca2+ fluctuations. Our results validated Quercetin as an effective small molecule inhibiting Mrgprx2-induced pseudo-allergic reaction via PLCγ-IP3R associated Ca2+ fluctuations, thus highlighting a potential candidate to suppress Mrgprx2 induced pseudo-allergic related diseases.
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Affiliation(s)
- Yuanyuan Ding
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Delu Che
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Chaomei Li
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Jiao Cao
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Jue Wang
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Pengyu Ma
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Tingting Zhao
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Hongli An
- Center for Translational Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China.
| | - Tao Zhang
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China.
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48
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Khorshidi M, Moini A, Alipoor E, Rezvan N, Gorgani-Firuzjaee S, Yaseri M, Hosseinzadeh-Attar MJ. The effects of quercetin supplementation on metabolic and hormonal parameters as well as plasma concentration and gene expression of resistin in overweight or obese women with polycystic ovary syndrome. Phytother Res 2018; 32:2282-2289. [DOI: 10.1002/ptr.6166] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Revised: 06/19/2018] [Accepted: 07/03/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Masoud Khorshidi
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics; Tehran University of Medical Sciences (TUMS); Tehran Iran
| | - Ashraf Moini
- Department of Endocrinology and Female Infertility, Reproductive Biomedicine Research Center; Royan Institute for Reproductive Biomedicine, ACECR; Tehran Iran
- Department of Obstetrics and Gynecology, Arash Women's Hospital; Tehran University of Medical Sciences; Tehran Iran
| | - Elham Alipoor
- Department of Nutrition, School of Public Health; Iran University of Medical Sciences; Tehran Iran
| | - Neda Rezvan
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, International Campus; Tehran University of Medical Sciences; Tehran Iran
| | - Sattar Gorgani-Firuzjaee
- Department of Medical Laboratory Sciences, School of Allied Health Medicine; AJA University of Medical Sciences; Tehran Iran
| | - Mehdi Yaseri
- Department of Epidemiology and Biostatistics, School of Public Health; Tehran University of Medical Sciences (TUMS); Tehran Iran
| | - Mohammad Javad Hosseinzadeh-Attar
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics; Tehran University of Medical Sciences (TUMS); Tehran Iran
- Centre of Research Excellence in Translating Nutritional Science to Good Health; The University of Adelaide; Adelaide Australia
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49
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Minguillón J, Surrallés J. Therapeutic research in the crystal chromosome disease Fanconi anemia. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2018; 836:104-108. [PMID: 30389152 DOI: 10.1016/j.mrgentox.2018.05.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 04/18/2018] [Accepted: 05/07/2018] [Indexed: 01/10/2023]
Abstract
In the last decades there has been a great progress in understanding the pathological and genetic mechanisms involved in Fanconi anemia (FA), a rare disease characterized by chromosome fragility, congenital malformations, bone marrow failure (BMF) and high cancer predisposition. However, these advances have not gone in parallel with the development of medical treatments, with the exception of improved protocols of hematopoietic stem cell transplant (HSCT). BMF and hematological malignancies are the most important and life threatening conditions the patient suffer during the first and second decade of life, respectively, being HSCT the only curative treatment available. Solid tumors are the third hallmark of the disease, usually with poor prognosis as tumor resection is the only therapeutic option given that patients do not tolerate chemotherapy or radiation. With improved HSCT protocols, FA patient survival has increased, leading to a progressively increased number of solid malignancies in adult patients. Therapeutic research is currently focused in targeted therapies for solid tumors as well as in preventive options in the context of drug repurposing. This review summarizes current therapies and drugs used so far in clinical trials to treat Fanconi anemia, as well as the ones used in FA research with potential for future therapeutic opportunities including drugs that suppress chromosome fragility or are expected to delay the onset of BMF and cancer in Fanconi anemia.
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Affiliation(s)
- Jordi Minguillón
- Department of Genetics and Microbiology, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; Genetics Department and Biomedical Research Institute Hospital de la Santa Creu i Sant Pau, 08025 Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras, 08193 Bellaterra, Spain.
| | - Jordi Surrallés
- Department of Genetics and Microbiology, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; Genetics Department and Biomedical Research Institute Hospital de la Santa Creu i Sant Pau, 08025 Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras, 08193 Bellaterra, Spain.
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50
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Mbikay M, Mayne J, Sirois F, Fedoryak O, Raymond A, Noad J, Chrétien M. Mice Fed a High-Cholesterol Diet Supplemented with Quercetin-3-Glucoside Show Attenuated Hyperlipidemia and Hyperinsulinemia Associated with Differential Regulation of PCSK9 and LDLR in their Liver and Pancreas. Mol Nutr Food Res 2018; 62:e1700729. [PMID: 29396908 DOI: 10.1002/mnfr.201700729] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 12/21/2017] [Indexed: 01/12/2023]
Abstract
SCOPE Hepatic LDL receptor (LDLR) and proprotein convertase subtilisin/kexin type 9 (PCSK9) regulate the clearance of plasma LDL-cholesterol (LDL-C): LDLR promotes it, and PCSK9 opposes it. These proteins also express in pancreatic β cells. Using cultured hepatocytes, we previously showed that the plant flavonoid quercetin-3-glucoside (Q3G) inhibits PCSK9 secretion, stimulated LDLR expression, and enhanced LDL-C uptake. Here, we examine whether Q3G supplementation could reverse the hyperlipidemia and hyperinsulinemia of mice fed a high-cholesterol diet, and how it affects hepatic and pancreatic LDLR and PCSK9 expression. METHODS AND RESULTS For 12 weeks, mice are fed a low- (0%) or high- (1%) cholesterol diet (LCD or HCD), supplemented or not with Q3G at 0.05 or 0.1% (w/w). Tissue LDLR and PCSK9 is analyzed by immunoblotting, plasma PCSK9 and insulin by ELISA, and plasma cholesterol and glucose by colorimetry. In LCD-fed mice, Q3G has no effect. In HCD-fed mice, it attenuates the increase in plasma cholesterol and insulin, accentuates the decrease in plasma PCSK9, and increases hepatic and pancreatic LDLR and PCSK9. In cultured pancreatic β cells, however, it stimulates PCSK9 secretion. CONCLUSION In mice, dietary Q3G could counter HCD-induced hyperlipidemia and hyperinsulinemia, in part by oppositely modulating hepatic and pancreatic PCSK9 secretion.
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Affiliation(s)
- Majambu Mbikay
- Functional Endoproteolysis Laboratory, Clinical Research Institute of Montreal, Montreal, Canada.,Department of Biochemistry, Microbiology & Immunology, Faculty of Medicine, University of Ottawa, Ottawa, Canada.,Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, Canada
| | - Janice Mayne
- Department of Biochemistry, Microbiology & Immunology, Faculty of Medicine, University of Ottawa, Ottawa, Canada
| | - Francine Sirois
- Functional Endoproteolysis Laboratory, Clinical Research Institute of Montreal, Montreal, Canada
| | - Olesya Fedoryak
- Functional Endoproteolysis Laboratory, Clinical Research Institute of Montreal, Montreal, Canada
| | - Angela Raymond
- Department of Biochemistry, Microbiology & Immunology, Faculty of Medicine, University of Ottawa, Ottawa, Canada
| | - Jennifer Noad
- Department of Biochemistry, Microbiology & Immunology, Faculty of Medicine, University of Ottawa, Ottawa, Canada
| | - Michel Chrétien
- Functional Endoproteolysis Laboratory, Clinical Research Institute of Montreal, Montreal, Canada.,Department of Biochemistry, Microbiology & Immunology, Faculty of Medicine, University of Ottawa, Ottawa, Canada.,Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, Canada
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