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Srivastava SP, Upadhyay P, Das S, Tiwari N, Mishra S, Tripathi SM. Managing Diabetic Complications with Alternative Therapeutic Strategies. Curr Diabetes Rev 2024; 20:e070923220791. [PMID: 37691189 DOI: 10.2174/1573399820666230907112430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 07/02/2023] [Accepted: 07/27/2023] [Indexed: 09/12/2023]
Abstract
Diabetes is a chronic metabolic disease affecting millions worldwide. It is characterized by a lack of insulin production or impaired insulin function, leading to elevated blood glucose levels. Conventional treatment methods for diabetes management typically include lifestyle changes and medications. However, alternative therapies have gained attention in recent years, including traditional medicine containing bioactive compounds, supplements like vitamin D and Omega-3 fatty acids, aromatherapy, and homeopathy. Diabetic complications are common in patients with uncontrolled diabetes and can lead to serious health problems, including diabetic retinopathy, impaired wound healing, kidney disease, nerve damage, and cardiovascular disease. Alternative remedies, such as traditional medicine containing bioactive compounds, supplements, and aromatherapy, have been studied for their potential benefits in managing these complications. Traditional medicines like bitter melon, cinnamon, and fenugreek have been shown to have anti-diabetic effects due to their bioactive compounds. Similarly, supplements like vitamin D and Omega-3 fatty acids have been found to improve glycemic control in patients with diabetes. Aromatherapy, which involves the use of essential oils, has also been explored for its potential benefits in diabetes management. Homeopathy, which uses highly diluted substances to stimulate the body's natural healing abilities, has been used to treat diabetes-related symptoms like neuropathy and wounds. Personalized care is essential in natural diabetes management because each person's body and health needs are unique. A holistic approach that addresses the individual's physical, emotional, and spiritual well-being is essential. As research in this field continues to expand, a more comprehensive understanding of diabetes management will lead to improved outcomes for those living with this condition.
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Affiliation(s)
| | - Pawan Upadhyay
- Department of Pharmacy, Maharishi University of Information Technology, Lucknow, India
| | - Shibu Das
- Department of Pharmacy, Maharishi University of Information Technology, Lucknow, India
| | - Neha Tiwari
- Khyati College of Pharmacy, Palodia, Ahmedabad, India
| | - Sudhanshu Mishra
- Department of Pharmaceutical Science and Technology, Madan Mohan Malaviya University of Technology, Gorakhpur, India
| | - Shivendra Mani Tripathi
- Department of Pharmaceutical Science and Technology, Madan Mohan Malaviya University of Technology, Gorakhpur, India
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2
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Naz R, Saqib F, Awadallah S, Wahid M, Latif MF, Iqbal I, Mubarak MS. Food Polyphenols and Type II Diabetes Mellitus: Pharmacology and Mechanisms. Molecules 2023; 28:molecules28103996. [PMID: 37241737 DOI: 10.3390/molecules28103996] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/04/2023] [Accepted: 05/07/2023] [Indexed: 05/28/2023] Open
Abstract
Type II diabetes mellitus and its related complications are growing public health problems. Many natural products present in our diet, including polyphenols, can be used in treating and managing type II diabetes mellitus and different diseases, owing to their numerous biological properties. Anthocyanins, flavonols, stilbenes, curcuminoids, hesperidin, hesperetin, naringenin, and phenolic acids are common polyphenols found in blueberries, chokeberries, sea-buckthorn, mulberries, turmeric, citrus fruits, and cereals. These compounds exhibit antidiabetic effects through different pathways. Accordingly, this review presents an overview of the most recent developments in using food polyphenols for managing and treating type II diabetes mellitus, along with various mechanisms. In addition, the present work summarizes the literature about the anti-diabetic effect of food polyphenols and evaluates their potential as complementary or alternative medicines to treat type II diabetes mellitus. Results obtained from this survey show that anthocyanins, flavonols, stilbenes, curcuminoids, and phenolic acids can manage diabetes mellitus by protecting pancreatic β-cells against glucose toxicity, promoting β-cell proliferation, reducing β-cell apoptosis, and inhibiting α-glucosidases or α-amylase. In addition, these phenolic compounds exhibit antioxidant anti-inflammatory activities, modulate carbohydrate and lipid metabolism, optimize oxidative stress, reduce insulin resistance, and stimulate the pancreas to secrete insulin. They also activate insulin signaling and inhibit digestive enzymes, regulate intestinal microbiota, improve adipose tissue metabolism, inhibit glucose absorption, and inhibit the formation of advanced glycation end products. However, insufficient data are available on the effective mechanisms necessary to manage diabetes.
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Affiliation(s)
- Rabia Naz
- Department of Pharmacology, Faculty of Pharmacy, Bahauddin Zakariya University, Multan 60000, Pakistan
| | - Fatima Saqib
- Department of Pharmacology, Faculty of Pharmacy, Bahauddin Zakariya University, Multan 60000, Pakistan
| | - Samir Awadallah
- Department of Medical Lab Sciences, Faculty of Allied Medical Sciences, Zarqa University, Zarqa 13110, Jordan
| | - Muqeet Wahid
- Department of Pharmacology, Faculty of Pharmacy, Bahauddin Zakariya University, Multan 60000, Pakistan
| | - Muhammad Farhaj Latif
- Department of Pharmacology, Faculty of Pharmacy, Bahauddin Zakariya University, Multan 60000, Pakistan
| | - Iram Iqbal
- Department of Pharmacology, Faculty of Pharmacy, Bahauddin Zakariya University, Multan 60000, Pakistan
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Yuan Y, He J, Tang M, Chen H, Wei T, Zhang B, Liang D, Nie X. Preventive effect of Ya'an Tibetan tea on obesity in rats fed with a hypercaloric high-fat diet revealed by gut microbiology and metabolomics studies. Food Res Int 2023; 165:112520. [PMID: 36869524 DOI: 10.1016/j.foodres.2023.112520] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 01/03/2023] [Accepted: 01/21/2023] [Indexed: 01/27/2023]
Abstract
Ya'an Tibetan Tea (YATT) is a classic dark tea variety fermented with a unique geographical environment and traditional craftsmanship. Previous research indicates that it is beneficial for obesity and related metabolic disorders, but no systematic research currently reveals its precise mechanisms. This work investigated the preventive effect of YATT on obesity and the corresponding potential mechanisms by performing 16S rRNA gene sequencing and metabolomics studies. Our results demonstrated that YATT could significantly improve the body weight and fat deposition in hypercaloric high-fat diet (HFD)-induced obese rats, enhance antioxidant enzymes activity and reduce inflammation, and reverse the liver damage caused by an HFD. Moreover, 16S rRNA analysis showed that YATT could improve the intestinal microbial disorders caused by the HFD by significantly reversing the increase in Firmicutes/Bacteroidetes(F/B)ratio and the relative abundance of flora associated with the HFD, such as unclassified_Lachnospiraceae and Romboutsia flora. In addition, metabolomic analysis of cecum contents identified 121 differential metabolites, of which 19 were common to all experimental rats fed with and without a high-fat diet. Strikingly, 17 of the most prevalent 19 differential metabolites, including Theobromine, L-Valine, and Diisobutyl phthalate, were considerably reversed by YATT. Enrichment analysis of the metabolic pathways of these differential metabolites indicated that Caffeine metabolism, Phenylalanine metabolism, and Lysine degradation are the potential metabolic pathways responsible for the obesity prevention effect of YATT. Collectively, this work revealed that YATT has good potential for obesity prevention and the improvement of intestinal microbial communities, potentially due to the YATT-induced alterations in the metabolic pathways and functional metabolite levels of caffeine and amino acids. These results inform the material basis of YATT for obesity prevention and its mechanisms and provide essential insights for developing YATT as a healthy beverage for obesity prevention.
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Affiliation(s)
- Ye Yuan
- Department of Pharmacy & Medical Laboratory, Ya'an Polytechnic College, Ya'an 625000, Sichuan, China; College of Pharmacy, Zunyi Medical University, Zunyi 563000, China
| | - Jingliu He
- Department of Pharmacy & Medical Laboratory, Ya'an Polytechnic College, Ya'an 625000, Sichuan, China
| | - Ming Tang
- Queensland University of Technology (QUT), School of Biomedical Sciences, Centre for Genomics and Personalised Health at the Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Hong Chen
- College of Food Science, Sichuan Agricultural University, Ya'an 625000, Sichuan, China
| | - Ting Wei
- Department of Pharmacy & Medical Laboratory, Ya'an Polytechnic College, Ya'an 625000, Sichuan, China
| | - Bin Zhang
- Department of Pharmacy & Medical Laboratory, Ya'an Polytechnic College, Ya'an 625000, Sichuan, China
| | - Dawei Liang
- Department of Pharmacy & Medical Laboratory, Ya'an Polytechnic College, Ya'an 625000, Sichuan, China
| | - Xuqiang Nie
- College of Pharmacy, Zunyi Medical University, Zunyi 563000, China; Queensland University of Technology (QUT), School of Biomedical Sciences, Centre for Genomics and Personalised Health at the Translational Research Institute, Brisbane, QLD 4102, Australia; Key Lab of the Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi, 563000, China.
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Muniroh L, Mahmudah, Solfaine R. Effect of Tithonia diversifolia Leaf Extract on Leptin, Adiponectin, and Insulin Receptor Levels in Diabetic Rats. Prev Nutr Food Sci 2022; 27:63-69. [PMID: 35465110 PMCID: PMC9007713 DOI: 10.3746/pnf.2022.27.1.63] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 11/20/2021] [Accepted: 11/24/2021] [Indexed: 12/02/2022] Open
Abstract
This study aimed to evaluate the effect of Tithonia diversifolia extract (TDE) on leptin, adiponectin, and insulin receptor (IR) concentrations in diabetic rats. Twenty-four Wistar rats were divided into a control and treatment groups (n=6 per group). The control group received normal saline, and the treatment groups received 0.25% sodium carboxymethyl cellulose, TDE at 100 mg/kg body weight (bw), and catechin at 10 mg/kg bw for 7 days. On day 8, the rats were sacrificed, blood samples were obtained, and leptin, adiponectin, and insulin concentrations were measured using avidinhorseradish peroxidase sandwich-enzyme-linked immunosorbent assay. A calorimetric method was used to measure blood glucose (BG) and total serum cholesterol concentrations. The pancreas and kidneys were collected for the measurement of renal IR and macrophage cluster of differentiation (CD)14 levels using immunohistochemical staining. Acute type 2 diabetes mellitus (T2DM) with elevated BG and total serum cholesterol concentrations was observed in the treatment groups administered streptozotocin. The administration of TDE at 100 mg/kg bw significantly decreased leptin and increased adiponectin concentrations (P≤0.05). Furthermore, TDE treatment significantly increased renal IR and decreased macrophage CD14 levels (P<0.05). Therefore, TDE decreased leptin and BG concentrations by increasing IR levels. TDE also suppressed the necrosis of pancreatic tissues by inhibiting macrophage CD14 expression in diabetic rats. However, further research is necessary to determine the effect of TDE on interleukin and IR levels in the related tissues of patients with T2DM.
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Affiliation(s)
- Lailatul Muniroh
- Department of Nutrition, Biostatistics, Population, and Health Promotion, Faculty of Public Health, Universitas Airlangga, Kampus C UNAIR, Surabaya 60115, Indonesia
| | - Mahmudah
- Department of Epidemiology, Biostatistics, Population, and Health Promotion, Faculty of Public Health, Universitas Airlangga, Kampus C UNAIR, Surabaya 60115, Indonesia
| | - Rondius Solfaine
- Department of Pathology, Faculty of Veterinary Medicine, University of Wijaya Kusuma Surabaya, Surabaya 60225, Indonesia
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Smoak P, Burke SJ, Collier JJ. Botanical Interventions to Improve Glucose Control and Options for Diabetes Therapy. SN COMPREHENSIVE CLINICAL MEDICINE 2021; 3:2465-2491. [PMID: 35098034 PMCID: PMC8796700 DOI: 10.1007/s42399-021-01034-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Diabetes mellitus is a major public health problem worldwide. This endocrine disease is clustered into distinct subtypes based on the route of development, with the most common forms associated with either autoimmunity (T1DM) or obesity (T2DM). A shared hallmark of both major forms of diabetes is a reduction in function (insulin secretion) or mass (cell number) of the pancreatic islet beta-cell. Diminutions in both mass and function are often present. A wide assortment of plants have been used historically to reduce the pathological features associated with diabetes. In this review, we provide an organized viewpoint focused around the phytochemicals and herbal extracts investigated using various preclinical and clinical study designs. In some cases, crude extracts were examined directly, and in others, purified compounds were explored for their possible therapeutic efficacy. A subset of these studies compared the botanical product with standard of care prescribed drugs. Finally, we note that botanical formulations are likely suspects for future drug discovery and refinement into class(es) of compounds that have either direct or adjuvant therapeutic benefit.
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Affiliation(s)
- Peter Smoak
- Laboratory of Islet Biology and Inflammation, Pennington Biomedical Research Center, Louisiana State University System, 6400 Perkins Road, Baton Rouge, LA 70808, USA
| | - Susan J. Burke
- Immunogenetics Laboratory, Pennington Biomedical Research Center, Louisiana State University System, 6400 Perkins Road, LA 70808 Baton Rouge, USA
| | - J. Jason Collier
- Laboratory of Islet Biology and Inflammation, Pennington Biomedical Research Center, Louisiana State University System, 6400 Perkins Road, Baton Rouge, LA 70808, USA
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Roberts KA, Draijer R, Hopkins ND, de Graaf Y, Holder SM, Carter SE, Thijssen DHJ, Low DA. Impact of green tea on the deleterious cardiometabolic effects of 7-days unhealthy lifestyle in young healthy males. Physiol Rep 2021; 9:e14720. [PMID: 33682367 PMCID: PMC7937942 DOI: 10.14814/phy2.14720] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 12/15/2020] [Accepted: 12/15/2020] [Indexed: 11/24/2022] Open
Abstract
PURPOSE The aim of this study was to examine if catechin-rich green tea abrogates the negative effects of 7-days of physical inactivity and excessive calorie-intake on insulin homeostasis and peripheral vascular function. METHODS Using a randomized, double-blind, crossover design, twelve healthy men (29 ± 6 yrs) underwent 7-days unhealthy lifestyle (UL), including physical inactivity (-50% steps/day) and overfeeding (+50% kcal/day). This was combined with green tea consumption (UL-tea; 3 doses/day) or placebo (UL-placebo). Before and after each intervention, we examined postprandial blood glucose and insulin (3-h after a 1,202 kcal meal) and upper and lower limb vascular function (flow-mediated dilation (FMD%)) and carotid artery reactivity (CAR%). RESULTS UL-placebo increased postprandial glucose and insulin, while UL-tea decreased postprandial glucose and insulin (Time*Intervention interaction effects: both p < 0.05). UL-placebo decreased CAR% and femoral FMD%, while UL-tea prevented these effects (Time*Intervention interaction effects of p < 0.04 and p < 0.001, respectively). There was no main effect of Time or Time*Intervention interaction (both p > 0.05) for brachial FMD%. CONCLUSION Seven days of physical inactivity and overfeeding impair insulin homeostasis and vascular function. These effects were mitigated by a daily intake of catechin-rich green tea.
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Affiliation(s)
- Kirsty A Roberts
- Research Institute for Sport and Exercise Science, Liverpool John Moores University, Liverpool, UK
| | - Richard Draijer
- Unilever Foods Innovation Centre, Wageningen, The Netherlands
| | - Nicola D Hopkins
- Research Institute for Sport and Exercise Science, Liverpool John Moores University, Liverpool, UK
| | - Young de Graaf
- Unilever Foods Innovation Centre, Wageningen, The Netherlands
| | - Sophie M Holder
- Research Institute for Sport and Exercise Science, Liverpool John Moores University, Liverpool, UK
| | - Sophie E Carter
- Research Institute for Sport and Exercise Science, Liverpool John Moores University, Liverpool, UK
| | - Dick H J Thijssen
- Research Institute for Sport and Exercise Science, Liverpool John Moores University, Liverpool, UK.,Department of Physiology, Research Institute for Health Science, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
| | - David A Low
- Research Institute for Sport and Exercise Science, Liverpool John Moores University, Liverpool, UK
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Ramírez-Alarcón K, Victoriano M, Mardones L, Villagran M, Al-Harrasi A, Al-Rawahi A, Cruz-Martins N, Sharifi-Rad J, Martorell M. Phytochemicals as Potential Epidrugs in Type 2 Diabetes Mellitus. Front Endocrinol (Lausanne) 2021; 12:656978. [PMID: 34140928 PMCID: PMC8204854 DOI: 10.3389/fendo.2021.656978] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 03/31/2021] [Indexed: 11/13/2022] Open
Abstract
Type 2 diabetes Mellitus (T2DM) prevalence has significantly increased worldwide in recent years due to population age, obesity, and modern sedentary lifestyles. The projections estimate that 439 million people will be diabetic in 2030. T2DM is characterized by an impaired β-pancreatic cell function and insulin secretion, hyperglycemia and insulin resistance, and recently the epigenetic regulation of β-pancreatic cells differentiation has been underlined as being involved. It is currently known that several bioactive molecules, widely abundant in plants used as food or infusions, have a key role in histone modification and DNA methylation, and constituted potential epidrugs candidates against T2DM. In this sense, in this review the epigenetic mechanisms involved in T2DM and protein targets are reviewed, with special focus in studies addressing the potential use of phytochemicals as epidrugs that prevent and/or control T2DM in vivo and in vitro. As main findings, and although some controversial results have been found, bioactive molecules with epigenetic regulatory function, appear to be a potential replacement/complementary therapy of pharmacological hypoglycemic drugs, with minimal side effects. Indeed, natural epidrugs have shown to prevent or delay the T2DM development and the morbidity associated to dysfunction of blood vessels, eyes and kidneys due to sustained hyperglycemia in T2DM patients.
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Affiliation(s)
- Karina Ramírez-Alarcón
- Department of Nutrition and Dietetics, Faculty of Pharmacy, University of Concepción, Concepción, Chile
| | - Montserrat Victoriano
- Department of Nutrition and Dietetics, Faculty of Pharmacy, University of Concepción, Concepción, Chile
| | - Lorena Mardones
- Department of Basic Science, Faculty of Medicine, Universidad Catolica de la Santisima Concepcion, Concepción, Chile
| | - Marcelo Villagran
- Department of Basic Science, Faculty of Medicine, Universidad Catolica de la Santisima Concepcion, Concepción, Chile
- Scientific-Technological Center for the Sustainable Development of the Coastline, Universidad Catolica de la Santisima Concepcion, Concepción, Chile
| | - Ahmed Al-Harrasi
- Natural and Medical Sciences Research Centre, University of Nizwa, Birkat Al Mouz, Oman
- *Correspondence: Ahmed Al-Harrasi, ; Natália Cruz-Martins, ; Javad Sharifi-Rad, ; Miquel Martorell,
| | - Ahmed Al-Rawahi
- Natural and Medical Sciences Research Centre, University of Nizwa, Birkat Al Mouz, Oman
| | - Natália Cruz-Martins
- Faculty of Medicine, University of Porto, Alameda Prof. Hernâni Monteiro, Porto, Portugal
- Institute for Research and Innovation in Health (i3S), University of Porto, Porto, Portugal
- Laboratory of Neuropsychophysiology, Faculty of Psychology and Education Sciences, University of Porto, Porto, Portugal
- *Correspondence: Ahmed Al-Harrasi, ; Natália Cruz-Martins, ; Javad Sharifi-Rad, ; Miquel Martorell,
| | - Javad Sharifi-Rad
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Facultad de Medicina, Universidad del Azuay, Cuenca, Ecuador
- *Correspondence: Ahmed Al-Harrasi, ; Natália Cruz-Martins, ; Javad Sharifi-Rad, ; Miquel Martorell,
| | - Miquel Martorell
- Department of Nutrition and Dietetics, Faculty of Pharmacy, University of Concepción, Concepción, Chile
- Centre for Healthy Living, University of Concepción, Concepción, Chile
- Universidad de Concepción, Unidad de Desarrollo Tecnológico, UDT, Concepción, Chile
- *Correspondence: Ahmed Al-Harrasi, ; Natália Cruz-Martins, ; Javad Sharifi-Rad, ; Miquel Martorell,
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Keshavarzi M, Najafi G, Ahmadi Gavlighi H, Seyfi P, Ghomi H. Enhancement of polyphenolic content extraction rate with maximal antioxidant activity from green tea leaves by cold plasma. J Food Sci 2020; 85:3415-3422. [PMID: 32984963 DOI: 10.1111/1750-3841.15448] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/07/2020] [Accepted: 08/10/2020] [Indexed: 01/09/2023]
Abstract
A dielectric barrier discharge (DBD) atmospheric cold plasma was evaluated as a tool to increase the extraction rate of total phenolic content (TPC) and antioxidant activity from green tea leaves. The effects of nitrogen DBD cold plasma on changes of color and surface morphology were investigated. Optimum conditions of cold plasma treatment (treatment time and generation power) were obtained by response surface methodology. After the nitrogen DBD cold plasma at 15 W of the generation power for 15 min, the TPC and antioxidant activity of green tea increased by 41.14% and 41.06%, respectively. The catechin also increased by 103.12%. The scanning electron microscopy results showed cell ablation and ruptures of the green tea leaf surface after nitrogen DBD cold plasma treatment. PRACTICAL APPLICATION: The developed DBD cold plasma source fed by nitrogen gas can be a suitable procedure for green and useful extraction of phenolic compounds from natural sources in the food industries.
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Affiliation(s)
- Maryam Keshavarzi
- Department of Mechanical and Biosystems Engineering, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - Gholamhassan Najafi
- Department of Mechanical and Biosystems Engineering, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - Hassan Ahmadi Gavlighi
- Department of Food Science and Technology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - Pourya Seyfi
- Laser and Plasma Research Institute, Shahid Beheshti University, Tehran, Iran
| | - Hamid Ghomi
- Laser and Plasma Research Institute, Shahid Beheshti University, Tehran, Iran
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9
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Arutyunyan IV, Fatkhudinov TK, Makarov AV, Elchaninov AV, Sukhikh GT. Regenerative medicine of pancreatic islets. World J Gastroenterol 2020; 26:2948-2966. [PMID: 32587441 PMCID: PMC7304103 DOI: 10.3748/wjg.v26.i22.2948] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 05/13/2020] [Accepted: 05/26/2020] [Indexed: 02/06/2023] Open
Abstract
The pancreas became one of the first objects of regenerative medicine, since other possibilities of dealing with the pancreatic endocrine insufficiency were clearly exhausted. The number of people living with diabetes mellitus is currently approaching half a billion, hence the crucial relevance of new methods to stimulate regeneration of the insulin-secreting β-cells of the islets of Langerhans. Natural restrictions on the islet regeneration are very tight; nevertheless, the islets are capable of physiological regeneration via β-cell self-replication, direct differentiation of multipotent progenitor cells and spontaneous α- to β- or δ- to β-cell conversion (trans-differentiation). The existing preclinical models of β-cell dysfunction or ablation (induced surgically, chemically or genetically) have significantly expanded our understanding of reparative regeneration of the islets and possible ways of its stimulation. The ultimate goal, sufficient level of functional activity of β-cells or their substitutes can be achieved by two prospective broad strategies: β-cell replacement and β-cell regeneration. The “regeneration” strategy aims to maintain a preserved population of β-cells through in situ exposure to biologically active substances that improve β-cell survival, replication and insulin secretion, or to evoke the intrinsic adaptive mechanisms triggering the spontaneous non-β- to β-cell conversion. The “replacement” strategy implies transplantation of β-cells (as non-disintegrated pancreatic material or isolated donor islets) or β-like cells obtained ex vivo from progenitors or mature somatic cells (for example, hepatocytes or α-cells) under the action of small-molecule inducers or by genetic modification. We believe that the huge volume of experimental and clinical studies will finally allow a safe and effective solution to a seemingly simple goal-restoration of the functionally active β-cells, the innermost hope of millions of people globally.
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Affiliation(s)
- Irina V Arutyunyan
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V. I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow 117997, Russia
| | - Timur Kh Fatkhudinov
- Research Institute of Human Morphology, Moscow 117418, Russia
- Peoples Friendship University of Russia, Moscow 117198, Russia
| | - Andrey V Makarov
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V. I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow 117997, Russia
- Pirogov Russian National Research Medical University, Ministry of Healthcare of the Russian Federation, Moscow 117997, Russia
| | - Andrey V Elchaninov
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V. I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow 117997, Russia
| | - Gennady T Sukhikh
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V. I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow 117997, Russia
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Sun C, Zhao C, Guven EC, Paoli P, Simal‐Gandara J, Ramkumar KM, Wang S, Buleu F, Pah A, Turi V, Damian G, Dragan S, Tomas M, Khan W, Wang M, Delmas D, Portillo MP, Dar P, Chen L, Xiao J. Dietary polyphenols as antidiabetic agents: Advances and opportunities. FOOD FRONTIERS 2020. [DOI: 10.1002/fft2.15] [Citation(s) in RCA: 145] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Affiliation(s)
- Chongde Sun
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology Zhejiang University Hangzhou China
| | - Chao Zhao
- College of Food Science Fujian Agriculture and Forestry University Fuzhou China
- State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical Sciences University of Macau Macau China
| | - Esra Capanoglu Guven
- Department of Food Engineering Faculty of Chemical and Metallurgical Engineering İstanbul Technical University Istanbul Turkey
| | - Paolo Paoli
- Department of Biomedical, Experimental, and Clinical Sciences University of Florence Florence Italy
| | - Jesus Simal‐Gandara
- Nutrition and Bromatology Group Department of Analytical Chemistry and Food Science Faculty of Food Science and Technology University of Vigo ‐ Ourense Campus Ourense Spain
| | - Kunka Mohanram Ramkumar
- Life Science Division SRM Research Institute SRM University Kattankulathur India
- Department of Biotechnology School of Bio‐engineering SRM University Kattankulathur India
| | - Shengpeng Wang
- State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical Sciences University of Macau Macau China
| | - Florina Buleu
- Centre for Interdisciplinary Research & Department of Cardiology University of Medicine and Pharmacy Victor Babes Timisoara Romania
| | - Ana Pah
- Centre for Interdisciplinary Research & Department of Cardiology University of Medicine and Pharmacy Victor Babes Timisoara Romania
| | - Vladiana Turi
- Centre for Interdisciplinary Research & Department of Cardiology University of Medicine and Pharmacy Victor Babes Timisoara Romania
| | - Georgiana Damian
- Centre for Interdisciplinary Research & Department of Cardiology University of Medicine and Pharmacy Victor Babes Timisoara Romania
| | - Simona Dragan
- Centre for Interdisciplinary Research & Department of Cardiology University of Medicine and Pharmacy Victor Babes Timisoara Romania
| | - Merve Tomas
- Faculty of Engineering and Natural Sciences Food Engineering Department Istanbul Sabahattin Zaim University Istanbul Turkey
| | - Washim Khan
- National Center for Natural Products Research School of Pharmacy The University of Mississippi, University Mississippi
| | - Mingfu Wang
- School of Biological Sciences The University of Hong Kong Pokfulam Hong Kong
| | - Dominique Delmas
- INSERM U866 Research Center Université de Bourgogne Franche‐Comté Dijon France
- INSERM Research Center U1231 – Cancer and Adaptive Immune Response Team Bioactive Molecules and Health Research Group Dijon France
- Centre Anticancéreux Georges François Leclerc Center Dijon France
| | - Maria Puy Portillo
- Nutrition and Obesity Group Department of Nutrition and Food Science Faculty of Pharmacy and Lucio Lascaray Research Institute University of País Vasco (UPV/EHU) Vitoria‐Gasteiz Spain
- CIBEROBN Physiopathology of Obesity and Nutrition Institute of Health Carlos III (ISCIII) Vitoria‐Gasteiz Spain
| | - Parsa Dar
- State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical Sciences University of Macau Macau China
| | - Lei Chen
- College of Food Science Fujian Agriculture and Forestry University Fuzhou China
| | - Jianbo Xiao
- State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical Sciences University of Macau Macau China
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11
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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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12
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Asbaghi O, Fouladvand F, Gonzalez MJ, Aghamohammadi V, Choghakhori R, Abbasnezhad A. The effect of green tea on C-reactive protein and biomarkers of oxidative stress in patients with type 2 diabetes mellitus: A systematic review and meta-analysis. Complement Ther Med 2019; 46:210-216. [PMID: 31519281 DOI: 10.1016/j.ctim.2019.08.019] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Accepted: 08/26/2019] [Indexed: 12/25/2022] Open
Abstract
INTRODUCTION The beneficial effects of green tea on regulating insulin sensitivity and preventing the development of type 2 diabetes mellitus (T2DM) have been identified. OBJECTIVES We aimed to investigate the effect of green tea on serum levels of C-reactive protein (CRP) and biomarkers of oxidative stress in patients with T2DM. METHODS A systematic search was performed in the ISI Web of science, PubMed and Scopus to find articles related to the effect of the green tea on CRP, malondealdehyde (MDA) and total antioxidant capacity (TAC) in T2DM patients, up to June 2019. There was no language and time limitation. Meta-analyses were performed using both the random and fixed effects model where appropriate, and I2 index was used to evaluate the heterogeneity. RESULTS Initial search yielded 780 publications. Eight articles with 614 T2DM patients were eligible. Following green tea consumption, CRP levels significantly decreased (weighted mean difference (WMD): -5.51 mg/dl, 95% CI: -9.18 to -1.83, p = 0.003) compared with the controlled group. Green tea consumption had no significant effect on plasma levels of TAC and MDA (0.02 mg/dl, CI: -0.06 to 0.10; -0.14 mg/dl, CI: -0.40 to 0.12; respectively). CONCLUSION This systematic review and meta-analysis indicated that green tea significantly reduced the circulating levels of CRP, whereas, it had no significant effect on MDA and TAC. Overall, green tea can be considered as a healthy drink to reduce CRP levels in T2DM patients.
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Affiliation(s)
- Omid Asbaghi
- Student Research Committee, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Faezeh Fouladvand
- Student Research Committee, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Michael J Gonzalez
- School of Public Health, Department of Human Development, University of Puerto Rico Medical Sciences Campus, Puerto Rico
| | | | - Razieh Choghakhori
- Razi Herbal Medicines Research Center, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Amir Abbasnezhad
- Nutritional Health Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran.
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13
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Veri N, As E, Mutiah C, Seriana I, Malinda R. Protective effect of green tea on tunica adventitia and endothelial changes resulting from depot medroxy progesterone acetate. J Taibah Univ Med Sci 2019; 14:8-13. [PMID: 31435385 PMCID: PMC6694920 DOI: 10.1016/j.jtumed.2018.10.002] [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: 05/31/2018] [Revised: 10/16/2018] [Accepted: 10/18/2018] [Indexed: 11/29/2022] Open
Abstract
Objective This study aimed to analyse the effects of green tea in inhibiting uterine atrophy and vascular changes due to the use of depot medroxy progesterone acetate (DMPA). Methods Twenty-five female Wistar rats aged one to two months were randomly assigned to five treatment groups: control group, DMPA-induced group, and DMPA-induced group orally treated with green tea extract (at 10.8 mg/day, 21.6 mg/day, or 43.2 mg/day). Histologic analysis of uterine and vascular tissues was performed with haematoxylin-eosin staining. Results DMPA decreased the thickness of endometrium and tunica adventitia, as well as significantly decreased endothelial cell count (p < 0.05). DMPA-induced decreases in the thickness of tunica adventitia and endothelial cell count could be significantly inhibited by green tea extract (p < 0.05). Conclusion This study concluded that DMPA triggered the depletion of uterine endometrium and vascular tunica adventitia and decreased endothelial cell count. Green tea extract at the highest dose normalized tunica adventitia and endothelial changes to the basal value.
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Affiliation(s)
- Nora Veri
- Midwifery Study Program, Ministry of Health Polytechnic of Langsa, Aceh, Special Region of Aceh, Indonesia
| | - Emilda As
- Midwifery Study Program, Ministry of Health Polytechnic of Langsa, Aceh, Special Region of Aceh, Indonesia
| | - Cut Mutiah
- Midwifery Study Program, Ministry of Health Polytechnic of Langsa, Aceh, Special Region of Aceh, Indonesia
| | - Irma Seriana
- Department of Midwifery, Polytechnic of Health-Ministry of Health, Aceh, Indonesia
| | - Risnati Malinda
- STIKES Bustanul Ulum of Langsa, Aceh, Special Region of Aceh, Indonesia
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14
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Natural Hydrogen Sulfide Donors from Allium sp. as a Nutraceutical Approach in Type 2 Diabetes Prevention and Therapy. Nutrients 2019; 11:nu11071581. [PMID: 31336965 PMCID: PMC6682899 DOI: 10.3390/nu11071581] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Revised: 06/30/2019] [Accepted: 07/10/2019] [Indexed: 12/30/2022] Open
Abstract
Type 2 diabetes mellitus (DM) is a socially relevant chronic disease with high prevalence worldwide. DM may lead to several vascular, macrovascular, and microvascular complications (cerebrovascular, coronary artery, and peripheral arterial diseases, retinopathy, neuropathy, and nephropathy), often accelerating the progression of atherosclerosis. Dietary therapy is generally considered to be the first step in the treatment of diabetic patients. Among the current therapeutic options, such as insulin therapy and hypoglycemic drugs, in recent years, attention has been shifting to the effects and properties-that are still not completely known-of medicinal plants as valid and inexpensive therapeutic supports with limited side effects. In this review, we report the relevant effects of medicinal plants and nutraceuticals in diabetes. In particular, we paid attention to the organosulfur compounds (OSCs) present in plant extracts that due to their antioxidant, hypoglycemic, anti-inflammatory, and immunomodulatory effects, can contribute as cardioprotective agents in type 2 DM. OSCs derived from garlic (Allium sp.), due to their properties, can represent a valuable support to the diet in type 2 DM, as outlined in this manuscript based on both in vitro and in vivo studies. Moreover, a relevant characteristic of garlic OSCs is their ability to produce the gasotransmitter H2S, and many of their effects can be explained by this property. Indeed, in recent years, several studies have demonstrated the relevant effects of endogenous and exogenous H2S in human DM, including by in vitro and in vivo experiments and clinical trials; therefore, here, we summarize the effects and the underlying molecular mechanisms of H2S and natural H2S donors.
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15
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Jasmin, Jaitak V. A Review on Molecular Mechanism of Flavonoids as Antidiabetic Agents. Mini Rev Med Chem 2019; 19:762-786. [DOI: 10.2174/1389557519666181227153428] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 12/17/2018] [Accepted: 12/18/2018] [Indexed: 02/06/2023]
Abstract
The development of drugs possessing anti-diabetic activities is a long pursued goal in drug
discovery. It has been shown that deregulated insulin mediated signaling, oxidative stress, obesity, and
β-cell dysfunction are the main factors responsible for the disease. With the advent of new and more
powerful screening assays and prediction tools, the idea of a drug that can effectively treat diabetes by
targeting different pathways has re-bloomed. Current anti-diabetic therapy is based on synthetic drugs
that very often have side effects. For this reason, there is an instantaneous need to develop or search
new alternatives. Recently, more attention is being paid to the study of natural products. Their huge
advantage is that they can be ingested in everyday diet. Here, we discuss various causes, putative targets,
and treatment strategies, mechanistic aspects as well as structural features with a particular focus
on naturally occurring flavonoids as promising starting points for anti-diabetic led development.
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Affiliation(s)
- Jasmin
- Laboratory of Natural Products, Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Bathinda (Pb.) 151001, India
| | - Vikas Jaitak
- Laboratory of Natural Products, Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Bathinda (Pb.) 151001, India
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16
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Chen PB, Kim JH, Young L, Clark JM, Park Y. Epigallocatechin gallate (EGCG) alters body fat and lean mass through sex-dependent metabolic mechanisms in Drosophila melanogaster. Int J Food Sci Nutr 2019; 70:959-969. [PMID: 31010351 DOI: 10.1080/09637486.2019.1602113] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
There is increasing interest in the potential role of epigallocatechin gallate (EGCG) in changing body composition to lower body fat with increased lean mass. In this study, we examined the sex-dependent effect of EGCG on body composition, locomotion, feeding behaviour, sugar levels, and transcription levels of key regulators in lipid, carbohydrate, and energy metabolisms in Drosophila melanogaster. EGCG had no effects on body weights in both females and males, but decreased fat accumulation in females compared to the control, accompanied by a reduction in food intake. EGCG treatments increased lean mass and locomotor activity, and downregulated transcription levels of brummer (bmm), adipokinetic hormone (akh), and Drosophila insulin-like peptide 2 (dilp2), and upregulated spargel (srl) in males. In addition, EGCG decreased sugar levels in both females and males. In conclusion, EGCG promotes lean phenotype in D. melanogaster via sex-specific metabolic regulations.
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Affiliation(s)
- Phoebe B Chen
- Department of Food Science, University of Massachusetts , Amherst , USA
| | - Ju Hyeon Kim
- Department of Veterinary and Animal Sciences, University of Massachusetts , Amherst , USA
| | - Lynnea Young
- Department of Food Science, University of Massachusetts , Amherst , USA
| | - John M Clark
- Department of Veterinary and Animal Sciences, University of Massachusetts , Amherst , USA
| | - Yeonhwa Park
- Department of Food Science, University of Massachusetts , Amherst , USA
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17
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Almeida TSD, Araújo MEM, Rodríguez LG, Júlio A, Mendes BG, Santos RMBD, Simões JAM. Influence of preparation procedures on the phenolic content, antioxidant and antidiabetic activities of green and black teas. BRAZ J PHARM SCI 2019. [DOI: 10.1590/s2175-97902019000117695] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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18
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Mawson DH, Jeffrey KL, Teale P, Grace PB. Development and validation of a high-throughput assay for the quantification of multiple green tea-derived catechins in human plasma. Biomed Chromatogr 2018; 32:e4319. [PMID: 29920704 DOI: 10.1002/bmc.4319] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 05/24/2018] [Accepted: 06/06/2018] [Indexed: 11/10/2022]
Abstract
A rapid, accurate and robust method for the determination of catechin (C), epicatechin (EC), gallocatechin (GC), epigallocatechin (EGC), catechin gallate (Cg), epicatechin gallate (ECg), gallocatechin gallate (GCg) and epigallocatechin gallate (EGCg) concentrations in human plasma has been developed. The method utilizes protein precipitation following enzyme hydrolysis, with chromatographic separation and detection using reversed-phase liquid chromatography-tandem mass spectrometry (LC-MS/MS). Traditional issues such as lengthy chromatographic runtimes, sample and extract stability, and lack of suitable internal standards have been addressed. The method has been evaluated using a comprehensive validation procedure, confirming linearity over appropriate concentration ranges, and inter/intra-batch precision and accuracies within suitable thresholds (precisions within 13.8% and accuracies within 12.4%). Recoveries of analytes were found to be consistent between different matrix samples, compensated for using suitable internal markers and within the performance of the instrumentation used. Similarly, chromatographic interferences have been corrected using the internal markers selected. Stability of all analytes in matrix is demonstrated over 32 days and throughout extraction conditions. This method is suitable for high-throughput sample analysis studies.
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19
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Fernando WMADB, Somaratne G, Goozee KG, Williams S, Singh H, Martins RN. Diabetes and Alzheimer's Disease: Can Tea Phytochemicals Play a Role in Prevention? J Alzheimers Dis 2018; 59:481-501. [PMID: 28582855 DOI: 10.3233/jad-161200] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Dementia and diabetes mellitus are prevalent disorders in the elderly population. While recognized as two distinct diseases, diabetes has more recently recognized as a significant contributor to risk for developing dementia, and some studies make reference to type 3 diabetes, a condition resulting from insulin resistance in the brain. Alzheimer's disease, the most common form of dementia, and diabetes, interestingly, share underlying pathological processes, commonality in risk factors, and, importantly, pathways for intervention. Tea has been suggested to possess potent antioxidant properties. It is rich in phytochemicals including, flavonoids, tannins, caffeine, polyphenols, boheic acid, theophylline, theobromine, anthocyanins, gallic acid, and finally epigallocatechin-3-gallate, which is considered to be the most potent active ingredient. Flavonoid phytochemicals, known as catechins, within tea offer potential benefits for reducing the risk of diabetes and Alzheimer's disease by targeting common risk factors, including obesity, hyperlipidemia, hypertension, cardiovascular disease, and stroke. Studies also show that catechins may prevent the formation of amyloid-β plaques and enhance cognitive functions, and thus may be useful in treating patients who have Alzheimer's disease or dementia. Furthermore, other phytochemicals found within tea offer important antioxidant properties along with innate properties capable of modulating intracellular neuronal signal transduction pathways and mitochondrial function.
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Affiliation(s)
- Warnakulasuriya M A D B Fernando
- Centre of Excellence in Alzheimer's Disease Research and Care, School of Medical Sciences, Edith Cowan University, Joondalup, Australia
| | - Geeshani Somaratne
- Massey Institute of Food Science and Technology, Massey University, Palmerston North, New Zealand.,Riddet Institute, Massey University, Palmerston North, New Zealand
| | - Kathryn G Goozee
- Centre of Excellence in Alzheimer's Disease Research and Care, School of Medical Sciences, Edith Cowan University, Joondalup, Australia.,School of Biomedical Science, Macquarie University, Sydney, NSW, Australia.,KARVIAH Research Centre, Anglicare, Castle Hill, NSW, Australia.,School of Psychiatry and Clinical Neurosciences, The University of Western Australia, Nedlands, WA, Australia.,Department of Biomedical Sciences, Macquarie University, Sydney, NSW, Australia.,KaRa Institute of Neurological Diseases, Sydney, NSW, Australia
| | - Shehan Williams
- Faculty of Medicine, University of Kelaniya, Colombo, Sri Lanka
| | - Harjinder Singh
- Massey Institute of Food Science and Technology, Massey University, Palmerston North, New Zealand.,Riddet Institute, Massey University, Palmerston North, New Zealand
| | - Ralph N Martins
- Centre of Excellence in Alzheimer's Disease Research and Care, School of Medical Sciences, Edith Cowan University, Joondalup, Australia.,School of Biomedical Science, Macquarie University, Sydney, NSW, Australia.,KARVIAH Research Centre, Anglicare, Castle Hill, NSW, Australia.,School of Psychiatry and Clinical Neurosciences, The University of Western Australia, Nedlands, WA, Australia.,Department of Biomedical Sciences, Macquarie University, Sydney, NSW, Australia.,KaRa Institute of Neurological Diseases, Sydney, NSW, Australia
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20
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Green tea extract affects porcine ovarian cell apoptosis. Reprod Biol 2018; 18:94-98. [DOI: 10.1016/j.repbio.2018.01.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 01/11/2018] [Accepted: 01/18/2018] [Indexed: 12/12/2022]
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21
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Karak T, Kutu FR, Nath JR, Sonar I, Paul RK, Boruah RK, Sanyal S, Sabhapondit S, Dutta AK. Micronutrients (B, Co, Cu, Fe, Mn, Mo, and Zn) content in made tea (Camellia sinensis L.) and tea infusion with health prospect: A critical review. Crit Rev Food Sci Nutr 2018; 57:2996-3034. [PMID: 26478953 DOI: 10.1080/10408398.2015.1083534] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Tea (Camellia sinensis L.) is a perennial acidophilic crop, and known to be a nonalcoholic stimulating beverage that is most widely consumed after water. The aim of this review paper is to provide a detailed documentation of selected micronutrient contents, viz. boron (B), cobalt (Co), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo), and zinc (Zn) in made tea and tea infusion. Available data from the literature were used to calculate human health aspect associated with the consumption of tea infusion. A wide range of micronutrients reported in both made tea and tea infusion could be the major sources of micronutrients for human. The content of B, Co, Cu, Fe, Mn, Mo, and Zn in made tea are ranged from 3.04 to 58.44 μg g-1, below detectable limit (BDL) to 122.4 μg g-1, BDL to 602 μg g-1, 0.275 to 13,040 μg g-1, 0.004 to 15,866 μg g-1, 0.04 to 570.80 μg g-1 and 0.01 to 1120 μg g-1, respectively. Only 3.2 μg L-1 to 7.25 mg L-1, 0.01 μg L-1 to 7 mg L-1, 3.80 μg L-1 to 6.13 mg L-1, 135.59 μg L-1 -11.05 mg L-1, 0.05 μg L-1 to 1980.34 mg L-1, 0.012 to 3.78 μg L-1, and 1.12 μg L-1 to 2.32 μg L-1 of B, Co, Cu, Fe, Mn, Mo, and Zn, respectively, are found in tea infusion which are lower than the prescribed limit of micronutrients in drinking water by World Health Organization. Furthermore, micronutrient contents in tea infusion depend on infusion procedure as well as on the instrument used for analysis. The proportion of micronutrients found in different tea types are 1.0-88.9% for B, 10-60% for Co, 2.0-97.8% for Cu, 67.8-89.9% for Fe, 71.0-87.4% for Mn, 13.3-34% for Mo, and 34.9-83% for Zn. From the results, it can also be concluded that consumption of three cups of tea infusion per day does not have any adverse effect on human health with respect to the referred micronutrients rather got beneficial effects to human.
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Affiliation(s)
- Tanmoy Karak
- a Upper Assam Advisory Centre , Tea Research Association , Assam , India
| | - Funso Raphael Kutu
- b Department of Crop Science, School of Agricultural Sciences , North West University, Mafikeng Campus , Mmabatho , South Africa
| | - Jyoti Rani Nath
- a Upper Assam Advisory Centre , Tea Research Association , Assam , India
| | - Indira Sonar
- a Upper Assam Advisory Centre , Tea Research Association , Assam , India
| | - Ranjit Kumar Paul
- c Indian Agricultural Statistics Research Institute , New Delhi , India
| | | | - Sandip Sanyal
- d Department of Tea Processing and Manufacturing Advisory , Tea Research Association, Tocklai Tea Research Institute , Jorhat , Assam , India
| | - Santanu Sabhapondit
- e Department of Biochemistry , Tea Research Association, Tocklai Tea Research Institute , Jorhat , Assam , India
| | - Amrit Kumar Dutta
- a Upper Assam Advisory Centre , Tea Research Association , Assam , India
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22
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Governa P, Baini G, Borgonetti V, Cettolin G, Giachetti D, Magnano AR, Miraldi E, Biagi M. Phytotherapy in the Management of Diabetes: A Review. Molecules 2018; 23:E105. [PMID: 29300317 PMCID: PMC6017385 DOI: 10.3390/molecules23010105] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 12/30/2017] [Accepted: 01/01/2018] [Indexed: 01/25/2023] Open
Abstract
Phytotherapy has long been a source of medicinal products and over the years there have been many attempts to use herbal medicines for the treatment of diabetes. Several medicinal plants and their preparations have been demonstrated to act at key points of glucidic metabolism. The most common mechanisms of action found include the inhibition of α-glucosidase and of AGE formation, the increase of GLUT-4 and PPARs expression and antioxidant activity. Despite the large amount of literature available, the actual clinical effectiveness of medicinal plants in controlling diabetes-related symptoms remains controversial and there is a crucial need for stronger evidence-based data. In this review, an overview of the medicinal plants, which use in the management of diabetes is supported by authoritative monographs, is provided. References to some species which are currently under increasing clinical investigation are also reported.
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Affiliation(s)
- Paolo Governa
- Department of Physical Sciences, Earth and Environment, University of Siena, Via Laterina 8, 53100 Siena, Italy.
- Italian Society of Phytotherapy, Via Laterina 8, 53100 Siena, Italy.
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Giulia Baini
- Department of Physical Sciences, Earth and Environment, University of Siena, Via Laterina 8, 53100 Siena, Italy.
- Italian Society of Phytotherapy, Via Laterina 8, 53100 Siena, Italy.
| | - Vittoria Borgonetti
- Department of Physical Sciences, Earth and Environment, University of Siena, Via Laterina 8, 53100 Siena, Italy.
- Italian Society of Phytotherapy, Via Laterina 8, 53100 Siena, Italy.
| | - Giulia Cettolin
- Department of Physical Sciences, Earth and Environment, University of Siena, Via Laterina 8, 53100 Siena, Italy.
- Italian Society of Phytotherapy, Via Laterina 8, 53100 Siena, Italy.
| | - Daniela Giachetti
- Department of Physical Sciences, Earth and Environment, University of Siena, Via Laterina 8, 53100 Siena, Italy.
- Italian Society of Phytotherapy, Via Laterina 8, 53100 Siena, Italy.
| | - Anna Rosa Magnano
- Department of Physical Sciences, Earth and Environment, University of Siena, Via Laterina 8, 53100 Siena, Italy.
- Italian Society of Phytotherapy, Via Laterina 8, 53100 Siena, Italy.
| | - Elisabetta Miraldi
- Department of Physical Sciences, Earth and Environment, University of Siena, Via Laterina 8, 53100 Siena, Italy.
- Italian Society of Phytotherapy, Via Laterina 8, 53100 Siena, Italy.
| | - Marco Biagi
- Department of Physical Sciences, Earth and Environment, University of Siena, Via Laterina 8, 53100 Siena, Italy.
- Italian Society of Phytotherapy, Via Laterina 8, 53100 Siena, Italy.
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Therapeutic Potential of Epigallocatechin Gallate Nanodelivery Systems. BIOMED RESEARCH INTERNATIONAL 2017; 2017:5813793. [PMID: 28791306 PMCID: PMC5534279 DOI: 10.1155/2017/5813793] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 05/30/2017] [Accepted: 06/08/2017] [Indexed: 01/04/2023]
Abstract
Nowadays, the society is facing a large health problem with the rising of new diseases, including cancer, heart diseases, diabetes, neurodegenerative diseases, and obesity. Thus, it is important to invest in substances that enhance the health of the population. In this context, epigallocatechin gallate (EGCG) is a flavonoid found in many plants, especially in tea. Several studies support the notion that EGCG has several benefits in fighting cancer, heart diseases, diabetes, and obesity, among others. Nevertheless, the poor intestinal absorbance and instability of EGCG constitute the main drawback to use this molecule in prevention and therapy. The encapsulation of EGCG in nanocarriers leads to its enhanced stability and higher therapeutic effects. A comprehensive review of studies currently available on the encapsulation of EGCG by means of nanocarriers will be addressed.
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Roychoudhury S, Agarwal A, Virk G, Cho CL. Potential role of green tea catechins in the management of oxidative stress-associated infertility. Reprod Biomed Online 2017; 34:487-498. [DOI: 10.1016/j.rbmo.2017.02.006] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Revised: 01/27/2017] [Accepted: 02/03/2017] [Indexed: 12/25/2022]
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Consumption of green tea epigallocatechin-3-gallate enhances systemic immune response, antioxidative capacity and HPA axis functions in aged male swiss albino mice. Biogerontology 2017; 18:367-382. [DOI: 10.1007/s10522-017-9696-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Accepted: 03/17/2017] [Indexed: 02/06/2023]
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Indah Putri S. N, Prangdimurti E, R. Zakaria F. PENGARUH MINUMAN DIPERKAYA CINNULIN TERHADAP MDA DAN SENYAWA INFLAMASI PLASMA PENDERITA DMT2. JURNAL TEKNOLOGI DAN INDUSTRI PANGAN 2016. [DOI: 10.6066/jtip.2016.27.1.51] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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27
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Chowdhury A, Sarkar J, Chakraborti T, Pramanik PK, Chakraborti S. Protective role of epigallocatechin-3-gallate in health and disease: A perspective. Biomed Pharmacother 2016; 78:50-59. [DOI: 10.1016/j.biopha.2015.12.013] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2015] [Revised: 12/03/2015] [Accepted: 12/15/2015] [Indexed: 12/28/2022] Open
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28
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Effects of alternative steeping methods on composition, antioxidant property and colour of green, black and oolong tea infusions. Journal of Food Science and Technology 2015; 52:8276-83. [PMID: 26604404 DOI: 10.1007/s13197-015-1971-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 06/16/2015] [Accepted: 07/21/2015] [Indexed: 12/30/2022]
Abstract
Cold water steeping is reported to maximise tea health benefits, but requires long infusion time. In this work, the employment of a brief hot infusion step followed by ice addition was evaluated. The comparison of this innovative method with hot and cold steeping was investigated on green, black and oolong teas. Catechins, xanthines and gallic acid content, antioxidant power, total phenolics and colour analysis were evaluated. Hot infusion shown rapid extractive power, but relevant compound degradation. On the contrary, cold infusion extracted higher level of healthy molecules with slow kinetic. The innovative method achieved in short time similar properties of cold infusion in terms of antioxidant power. As for bioactive compounds, such as gallic acid and epigallocatechin gallate, highest values, about double than in hot infusion, were recorded for green and black teas. This steeping method may represent an alternative approach for industrial beverage preparation.
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