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Revankar AG, Bagewadi ZK, Shaikh IA, Mannasaheb BA, Ghoneim MM, Khan AA, Asdaq SMB. In-vitro and computational analysis of Urolithin-A for anti-inflammatory activity on Cyclooxygenase 2 (COX-2). Saudi J Biol Sci 2023; 30:103804. [PMID: 37727526 PMCID: PMC10505678 DOI: 10.1016/j.sjbs.2023.103804] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 08/16/2023] [Accepted: 09/01/2023] [Indexed: 09/21/2023] Open
Abstract
Cyclooxygenase 2 (COX-2) participates in the inflammation process by converting arachidonic acid into prostaglandin G2 which increases inflammation, pain and fever. COX-2 has an active site and a heme pocket and blocking these sites stops the inflammation. Urolithin A is metabolite of ellagitannin produced from humans and animals gut microbes. In the current study, Urolithin A showed good pharmacokinetic properties. Molecular docking of the complex of Urolithin A and COX-2 revealed the ligand affinity of -7.97 kcal/mol with the ligand binding sites at TYR355, PHE518, ILE517 and GLN192 with the 4-H bonds at a distance of 2.8 Å, 2.3 Å, 2.5 Å and 1.9 Å. The RMSD plot for Urolithin A and COX-2 complex was observed to be constant throughout the duration of dynamics. A total of 3 pair of hydrogen bonds was largely observed on average of 3 simulation positions for dynamics duration of 500 ns. The MMPBSA analysis showed that active site amino acids had a binding energy of -22.0368 kJ/mol indicating that throughout the simulation the protein of target was bounded by Urolithin A. In-silico results were validated by biological assays. Urolithin A strongly revealed to exhibit anti-inflammatory effect on COX-2 with an IC50 value of 44.04 µg/mL. The anti-inflammatory capability was also depicted through reduction of protein denaturation that showed 37.6 ± 0.1 % and 43.2 ± 0.07 % reduction of protein denaturation for BSA and egg albumin respectively at 500 µg/mL. The present study, suggests Urolithin A to be an effective anti-inflammatory compound for therapeutic use.
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Affiliation(s)
- Archana G. Revankar
- Department of Biotechnology, KLE Technological University, Hubballi, Karnataka 580031, India
| | - Zabin K. Bagewadi
- Department of Biotechnology, KLE Technological University, Hubballi, Karnataka 580031, India
| | - Ibrahim Ahmed Shaikh
- Department of Pharmacology, College of Pharmacy, Najran University, Najran 66462, Saudi Arabia
| | | | - Mohammed M. Ghoneim
- Department of Pharmacy Practice, College of Pharmacy, AlMaarefa University, Ad Diriyah 13713, Saudi Arabia
| | - Aejaz Abdullatif Khan
- Department of General Science, Ibn Sina National College for Medical Studies, Jeddah 21418, Saudi Arabia
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Li J, Liao R, Zhang S, Weng H, Liu Y, Tao T, Yu F, Li G, Wu J. Promising remedies for cardiovascular disease: Natural polyphenol ellagic acid and its metabolite urolithins. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 116:154867. [PMID: 37257327 DOI: 10.1016/j.phymed.2023.154867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 04/17/2023] [Accepted: 05/08/2023] [Indexed: 06/02/2023]
Abstract
BACKGROUND Cardiovascular disease (CVD) is a significant worldwide factor contributing to human fatality and morbidity. With the increase of incidence rates, it is of concern that there is a lack of current therapeutic alternatives because of multiple side effects. Ellagic acid (EA), the natural polyphenol (C14H6O8), is abundant in pomegranates, berries, and nuts. EA and its intestinal microflora metabolite, urolithins, have recently attracted much attention as a potential novel "medicine" because of their wide pharmacological properties. PURPOSE This study aimed to critically analyze available literature to summarize the beneficial effects of EA and urolithins, and highlights their druggability and therapeutic potential in various CVDs. METHODS We systematically studied research and review articles between 1984 and 2022 available on various databases to obtain the data on EA and urolithins with no language restriction. Their cardiovascular protective activities, underlying mechanism, and druggability were highlighted and discussed comprehensively. RESULTS We found that EA and urolithins may exert preventive and curative effects on CVD with negligible side effects and possibly regulate lipid metabolism imbalance, pro-inflammatory factor production, vascular smooth muscle cell proliferation, cardiomyocyte apoptosis, endothelial cell dysfunction, and Ca2+ intake and release. Potentially, this may lead to the prevention and amelioration of atherosclerosis, hypertension, myocardial infarction, cardiac fibrosis, cardiomyopathy, cardiac arrhythmias, and cardiotoxicities in vivo. Several molecules and signaling pathways are associated with their therapeutic actions, including phosphatidylinositol 3-kinase/protein kinase B, mitogen-activated protein kinase, NF-κB, nuclear factor erythroid-2 related factor 2, sirtuin1, miRNA, and extracellular signal-regulated kinase 1/2. CONCLUSION In vitro and in vivo studies shows that EA and urolithins could be used as valid candidates for early prevention and effective therapeutic strategies for various CVDs.
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Affiliation(s)
- Jingyan Li
- Cardiovascular Surgery Department, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China; Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Drugability Evaluation for Chinese Materia Medica, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China; Key Laboratory of Medical Electrophysiology, Ministry of Education and Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention of Cardiovascular Diseases, Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan, China
| | - Ruixue Liao
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Drugability Evaluation for Chinese Materia Medica, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Shijia Zhang
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221000, China
| | - Huimin Weng
- Cardiovascular Surgery Department, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Yuanzhi Liu
- Cardiovascular Surgery Department, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China; Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Drugability Evaluation for Chinese Materia Medica, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Tianyi Tao
- Key Laboratory of Medical Electrophysiology, Ministry of Education and Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention of Cardiovascular Diseases, Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan, China
| | - Fengxu Yu
- Cardiovascular Surgery Department, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China.
| | - Guang Li
- Key Laboratory of Medical Electrophysiology, Ministry of Education and Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention of Cardiovascular Diseases, Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan, China.
| | - Jianming Wu
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Drugability Evaluation for Chinese Materia Medica, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China; School of Basic Medical Sciences, Southwest Medical University, Luzhou, China.
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Gandhi GR, Antony PJ, Ceasar SA, Vasconcelos ABS, Montalvão MM, Farias de Franca MN, Resende ADS, Sharanya CS, Liu Y, Hariharan G, Gan RY. Health functions and related molecular mechanisms of ellagitannin-derived urolithins. Crit Rev Food Sci Nutr 2022; 64:280-310. [PMID: 35959701 DOI: 10.1080/10408398.2022.2106179] [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
Ellagitannins are vital bioactive polyphenols that are widely distributed in a variety of plant-based foods. The main metabolites of ellagitannins are urolithins, and current research suggests that urolithins provide a variety of health benefits. This review focused on the role of the gut bacteria in the conversion of ellagitannins to urolithins. Based on the results of in vitro and in vivo studies, the health benefits of urolithins, including antioxidant, anti-inflammatory, anti-cancer, anti-obesity, anti-diabetic, anti-aging, cardiovascular protective, neuroprotective, kidney protective, and muscle mass protective effects, were thoroughly outlined, with a focus on their associated molecular mechanisms. Finally, we briefly commented on urolithins' safety. Overall, urolithins' diverse health benefits indicate the potential utilization of ellagitannins and urolithins in the creation of functional foods and nutraceuticals to treat and prevent some chronic diseases.
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Affiliation(s)
- Gopalsamy Rajiv Gandhi
- Department of Biosciences, Rajagiri College of Social Sciences, Kalamaserry, Kochi, India
| | | | | | - Alan Bruno Silva Vasconcelos
- Postgraduate Program of Physiological Sciences (PROCFIS), Federal University of Sergipe (UFS), São Cristóvão, Sergipe, Brazil
| | - Monalisa Martins Montalvão
- Postgraduate Program of Physiological Sciences (PROCFIS), Federal University of Sergipe (UFS), São Cristóvão, Sergipe, Brazil
| | - Mariana Nobre Farias de Franca
- Postgraduate Program of Health Sciences (PPGCS), Federal University of Sergipe (UFS), Campus Prof. João Cardoso Nascimento, Aracaju, CEP, Sergipe, Brazil
| | - Ayane de Sá Resende
- Postgraduate Program of Health Sciences (PPGCS), Federal University of Sergipe (UFS), Campus Prof. João Cardoso Nascimento, Aracaju, CEP, Sergipe, Brazil
| | | | - Yi Liu
- Research Center for Plants and Human Health, Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences (CAAS), Chengdu National Agricultural Science and Technology Center, Chengdu, China
| | - Govindasamy Hariharan
- Department of Biochemistry, Srimad Andavan Arts and Science College (Autonomous) affiliated to the Bharathidasan University, Tiruchirapalli, India
| | - Ren-You Gan
- Nepal Jesuit Society, St. Xavier's College, Jawalakhel, Lalitpur Dt. Kathmandu, Nepal
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Jayatunga DPW, Hone E, Khaira H, Lunelli T, Singh H, Guillemin GJ, Fernando B, Garg ML, Verdile G, Martins RN. Therapeutic Potential of Mitophagy-Inducing Microflora Metabolite, Urolithin A for Alzheimer's Disease. Nutrients 2021; 13:nu13113744. [PMID: 34836000 PMCID: PMC8617978 DOI: 10.3390/nu13113744] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 09/28/2021] [Accepted: 10/12/2021] [Indexed: 12/18/2022] Open
Abstract
Mitochondrial dysfunction including deficits of mitophagy is seen in aging and neurodegenerative disorders including Alzheimer’s disease (AD). Apart from traditionally targeting amyloid beta (Aβ), the main culprit in AD brains, other approaches include investigating impaired mitochondrial pathways for potential therapeutic benefits against AD. Thus, a future therapy for AD may focus on novel candidates that enhance optimal mitochondrial integrity and turnover. Bioactive food components, known as nutraceuticals, may serve as such agents to combat AD. Urolithin A is an intestinal microbe-derived metabolite of a class of polyphenols, ellagitannins (ETs). Urolithin A is known to exert many health benefits. Its antioxidant, anti-inflammatory, anti-atherogenic, anti-Aβ, and pro-mitophagy properties are increasingly recognized. However, the underlying mechanisms of urolithin A in inducing mitophagy is poorly understood. This review discusses the mitophagy deficits in AD and examines potential molecular mechanisms of its activation. Moreover, the current knowledge of urolithin A is discussed, focusing on its neuroprotective properties and its potential to induce mitophagy. Specifically, this review proposes potential mechanisms by which urolithin A may activate and promote mitophagy.
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Affiliation(s)
- Dona Pamoda W. Jayatunga
- Centre of Excellence for Alzheimer’s Disease Research & Care, School of Medical and Health Sciences, Edith Cowan University, 270 Joondalup Drive, Joondalup, WA 6027, Australia; (D.P.W.J.); (E.H.); (B.F.); (G.V.)
| | - Eugene Hone
- Centre of Excellence for Alzheimer’s Disease Research & Care, School of Medical and Health Sciences, Edith Cowan University, 270 Joondalup Drive, Joondalup, WA 6027, Australia; (D.P.W.J.); (E.H.); (B.F.); (G.V.)
- Cooperative Research Centre for Mental Health, Carlton, VIC 3053, Australia
| | - Harjot Khaira
- Riddet Institute, Massey University, Private Bag 11222, Palmerston North 4442, New Zealand; (H.K.); (T.L.); (H.S.); (M.L.G.)
| | - Taciana Lunelli
- Riddet Institute, Massey University, Private Bag 11222, Palmerston North 4442, New Zealand; (H.K.); (T.L.); (H.S.); (M.L.G.)
| | - Harjinder Singh
- Riddet Institute, Massey University, Private Bag 11222, Palmerston North 4442, New Zealand; (H.K.); (T.L.); (H.S.); (M.L.G.)
| | - Gilles J. Guillemin
- Department of Pharmacology, School of Medical Sciences, Faculty of Medicine, University of New South Wales, Sydney, NSW 2052, Australia;
- St. Vincent’s Centre for Applied Medical Research, Sydney, NSW 2011, Australia
| | - Binosha Fernando
- Centre of Excellence for Alzheimer’s Disease Research & Care, School of Medical and Health Sciences, Edith Cowan University, 270 Joondalup Drive, Joondalup, WA 6027, Australia; (D.P.W.J.); (E.H.); (B.F.); (G.V.)
| | - Manohar L. Garg
- Riddet Institute, Massey University, Private Bag 11222, Palmerston North 4442, New Zealand; (H.K.); (T.L.); (H.S.); (M.L.G.)
- School of Biomedical Sciences and Pharmacy, Faculty of Health and Medicine, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Giuseppe Verdile
- Centre of Excellence for Alzheimer’s Disease Research & Care, School of Medical and Health Sciences, Edith Cowan University, 270 Joondalup Drive, Joondalup, WA 6027, Australia; (D.P.W.J.); (E.H.); (B.F.); (G.V.)
- School of Pharmacy and Biomedical Sciences, Faculty of Health Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, WA 6102, Australia
| | - Ralph N. Martins
- Centre of Excellence for Alzheimer’s Disease Research & Care, School of Medical and Health Sciences, Edith Cowan University, 270 Joondalup Drive, Joondalup, WA 6027, Australia; (D.P.W.J.); (E.H.); (B.F.); (G.V.)
- Australian Alzheimer’s Research Foundation, Ralph and Patricia Sarich Neuroscience Research Institute, 8 Verdun Street., Nedlands, WA 6009, Australia
- Department of Biomedical Sciences, Macquarie University, Sydney, NSW 2109, Australia
- Correspondence: ; Tel.: +61-8-9347-4200
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Izadi P, Izadi P, Salem R, Papry SA, Magdouli S, Pulicharla R, Brar SK. Non-steroidal anti-inflammatory drugs in the environment: Where were we and how far we have come? ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 267:115370. [PMID: 33254637 DOI: 10.1016/j.envpol.2020.115370] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 07/27/2020] [Accepted: 08/02/2020] [Indexed: 06/12/2023]
Abstract
Non-steroidal anti-inflammatory drugs (NSAIDs) are among the most well-known pharmaceuticals with a broad scope of properties that are widely used in human and veterinary medicine. Because of their extensive utilization, NSAIDs are commonly identified in the environment as trace emerging contaminants. Regardless of vast experience with these drugs, NSAIDs are full of contradictions that trigger major concerns for environmental researchers. A limited understanding on NSAID's occurrence, distribution and eco-toxicological effects have led to an escalated dilemma in the last decade. Thus, a broad-spectrum study covering all aspects of occurrence, detection and removal is required to meet the fundamental levels of knowledge on the effects of NSAIDs in all exposed environmental aspects. Therefore, this paper focuses on classifying the sources and entry points of residual NSAIDs. Further, detecting and regulating their concentrations in both input streams and receiving environments, along with the removal processes of this specific class of emerging compounds, in the direction of developing a management policy is comprehensively reviewed.
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Affiliation(s)
- Parnian Izadi
- Lassonde School of Engineering, Civil Engineering, York University, 4700 Keele Street, Toronto, M3J 1P3, ON, Canada.
| | - Parin Izadi
- Lassonde School of Engineering, Civil Engineering, York University, 4700 Keele Street, Toronto, M3J 1P3, ON, Canada.
| | - Rana Salem
- Lassonde School of Engineering, Civil Engineering, York University, 4700 Keele Street, Toronto, M3J 1P3, ON, Canada.
| | - Sifat Azad Papry
- Lassonde School of Engineering, Civil Engineering, York University, 4700 Keele Street, Toronto, M3J 1P3, ON, Canada.
| | - Sara Magdouli
- Lassonde School of Engineering, Civil Engineering, York University, 4700 Keele Street, Toronto, M3J 1P3, ON, Canada.
| | - Rama Pulicharla
- École Supérieure D'aménagement Du Territoire et de Développement Régional, Pavillon Félix-Antoine-Savard, Bureau 1616, 2325, Rue des Bibliothèques, Université Laval, Québec, QC, G1V 0A6, Canada.
| | - Satinder Kaur Brar
- Lassonde School of Engineering, Civil Engineering, York University, 4700 Keele Street, Toronto, M3J 1P3, ON, Canada.
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Ceci C, Graziani G, Faraoni I, Cacciotti I. Strategies to improve ellagic acid bioavailability: from natural or semisynthetic derivatives to nanotechnological approaches based on innovative carriers. NANOTECHNOLOGY 2020; 31:382001. [PMID: 32380485 DOI: 10.1088/1361-6528/ab912c] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Ellagic acid (EA) is a polyphenolic compound whose dietary consumption is mainly associated with the intake of red fruits, including pomegranates, strawberries, blackberries, blackcurrants, raspberries, grapes or dried fruits, like walnuts and almonds. A number of studies indicate that EA exerts health-beneficial effects against several chronic pathologies associated with oxidative damage, including different kinds of cancer, cardiovascular and neurodegenerative diseases. Furthermore, EA possesses wound-healing properties, antibacterial and antiviral effects, and acts as a systemic antioxidant. However, clinical applications of this polyphenol have been hampered and prevented by its poor water solubility (9.7 ± 3.2 μg ml-1 in water) and pharmacokinetic profile (limited absorption rate and plasma half-life <1 h after ingestion of pomegranate juice), properties due to the chemical nature of the organic heterotetracyclic compound. Little has been reported on efficient strategies to enhance EA poor oral bioavailability, including chemical structure modifications, encapsulation within nano-microspheres to be used as carriers, and molecular dispersion in polymer matrices. In this review we summarize the experimental approaches investigated so far in order to improve EA pharmacokinetics, supporting the hypothesis that enhancement in EA solubility is a feasible route for increasing its oral absorption.
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Affiliation(s)
- Claudia Ceci
- Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1 00133, Rome, Italy
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Toubal S, Oiry C, Bayle M, Cros G, Neasta J. Urolithin C increases glucose-induced ERK activation which contributes to insulin secretion. Fundam Clin Pharmacol 2020; 34:571-580. [PMID: 32083757 DOI: 10.1111/fcp.12551] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 02/14/2020] [Accepted: 02/20/2020] [Indexed: 12/31/2022]
Abstract
Polyphenols exert pharmacological actions through protein-mediated mechanisms and by modulating intracellular signalling pathways. We recently showed that a gut-microbial metabolite of ellagic acid named urolithin C is a glucose-dependent activator of insulin secretion acting by facilitating L-type Ca2+ channel opening and Ca2+ influx into pancreatic β-cells. However, it is still unknown whether urolithin C regulates key intracellular signalling proteins in β-cells. Here, we report that urolithin C enhanced glucose-induced extracellular signal-regulated kinases 1/2 (ERK1/2) activation as shown by higher phosphorylation levels in INS-1 β-cells. Interestingly, inhibition of ERK1/2 with two structurally distinct inhibitors led to a reduction in urolithin C effect on insulin secretion. Finally, we provide data to suggest that urolithin C-mediated ERK1/2 phosphorylation involved insulin signalling in INS-1 cells. Together, these data indicate that the pharmacological action of urolithin C on insulin secretion relies, in part, on its capacity to enhance glucose-induced ERK1/2 activation. Therefore, our study extends our understanding of the pharmacological action of urolithin C in β-cells. More generally, our findings revealed that urolithin C modulated the activation of key multifunctional intracellular signalling kinases which participate in the regulation of numerous biological processes.
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Affiliation(s)
- Slimane Toubal
- IBMM, Université de Montpellier, CNRS, ENSCM, Montpellier, France
| | - Catherine Oiry
- IBMM, Université de Montpellier, CNRS, ENSCM, Montpellier, France
| | - Morgane Bayle
- IBMM, Université de Montpellier, CNRS, ENSCM, Montpellier, France
| | - Gérard Cros
- IBMM, Université de Montpellier, CNRS, ENSCM, Montpellier, France
| | - Jérémie Neasta
- IBMM, Université de Montpellier, CNRS, ENSCM, Montpellier, France
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Bayle M, Neasta J, Dall'Asta M, Gautheron G, Virsolvy A, Quignard J, Youl E, Magous R, Guichou J, Crozier A, Del Rio D, Cros G, Oiry C. The ellagitannin metabolite urolithin C is a glucose-dependent regulator of insulin secretion through activation of L-type calcium channels. Br J Pharmacol 2019; 176:4065-4078. [PMID: 31378934 PMCID: PMC6811744 DOI: 10.1111/bph.14821] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 07/18/2019] [Accepted: 07/26/2019] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND AND PURPOSE The pharmacology of polyphenol metabolites on beta-cell function is largely undetermined. We sought to identify polyphenol metabolites that enhance the insulin-secreting function of beta-cells and to explore the underlying mechanisms. EXPERIMENTAL APPROACH INS-1 beta-cells and rat isolated islets of Langerhans or perfused pancreas preparations were used for insulin secretion experiments. Molecular modelling, intracellular Ca2+ monitoring, and whole-cell patch-clamp recordings were used for mechanistic studies. KEY RESULTS Among a set of polyphenol metabolites, we found that exposure of INS-1 beta-cells to urolithins A and C enhanced glucose-stimulated insulin secretion. We further characterized the activity of urolithin C and its pharmacological mechanism. Urolithin C glucose-dependently enhanced insulin secretion in isolated islets of Langerhans and perfused pancreas preparations. In the latter, enhancement was reversible when glucose was lowered from a stimulating to a non-stimulating concentration. Molecular modelling suggested that urolithin C could dock into the Cav 1.2 L-type Ca2+ channel. Calcium monitoring indicated that urolithin C had no effect on basal intracellular Ca2+ but enhanced depolarization-induced increase in intracellular Ca2+ in INS-1 cells and dispersed cells isolated from islets. Electrophysiology studies indicated that urolithin C dose-dependently enhanced the L-type Ca2+ current for levels of depolarization above threshold and shifted its voltage-dependent activation towards more negative potentials in INS-1 cells. CONCLUSION AND IMPLICATIONS Urolithin C is a glucose-dependent activator of insulin secretion acting by facilitating L-type Ca2+ channel opening and Ca2+ influx into pancreatic beta-cells. Our work paves the way for the design of polyphenol metabolite-inspired compounds aimed at ameliorating beta-cell function.
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Affiliation(s)
- Morgane Bayle
- IBMM, Univ Montpellier, CNRS, ENSCMMontpellierFrance
| | - Jérémie Neasta
- Laboratoire de Pharmacologie, Faculté de PharmacieUniv MontpellierMontpellierFrance
| | - Margherita Dall'Asta
- The Laboratory of Phytochemicals in Physiology, LS9 InterLab Group, Department of Food ScienceUniversity of ParmaParmaItaly
| | | | - Anne Virsolvy
- PhyMedExp, Univ Montpellier, CNRS, INSERMMontpellierFrance
| | - Jean‐François Quignard
- Université Bordeaux, INSERM U1045, Centre de Recherche Cardio‐Thoracique de BordeauxBordeauxFrance
| | - Estelle Youl
- IBMM, Univ Montpellier, CNRS, ENSCMMontpellierFrance
| | - Richard Magous
- IBMM, Univ Montpellier, CNRS, ENSCMMontpellierFrance
- Laboratoire de Pharmacologie, Faculté de PharmacieUniv MontpellierMontpellierFrance
| | | | - Alan Crozier
- Department of NutritionUniversity of CaliforniaDavisCalifornia
- School of Medicine, Dentistry and NursingUniversity of GlasgowGlasgowUK
| | - Daniele Del Rio
- The Laboratory of Phytochemicals in Physiology, LS9 InterLab Group, Department of Food ScienceUniversity of ParmaParmaItaly
| | - Gérard Cros
- IBMM, Univ Montpellier, CNRS, ENSCMMontpellierFrance
- Laboratoire de Pharmacologie, Faculté de PharmacieUniv MontpellierMontpellierFrance
| | - Catherine Oiry
- IBMM, Univ Montpellier, CNRS, ENSCMMontpellierFrance
- Laboratoire de Pharmacologie, Faculté de PharmacieUniv MontpellierMontpellierFrance
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Chen L, Gnanaraj C, Arulselvan P, El-Seedi H, Teng H. A review on advanced microencapsulation technology to enhance bioavailability of phenolic compounds: Based on its activity in the treatment of Type 2 Diabetes. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2018.11.026] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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10
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Medvedovici A, Bacalum E, David V. Sample preparation for large-scale bioanalytical studies based on liquid chromatographic techniques. Biomed Chromatogr 2017; 32. [DOI: 10.1002/bmc.4137] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 10/24/2017] [Accepted: 10/27/2017] [Indexed: 12/30/2022]
Affiliation(s)
- Andrei Medvedovici
- Faculty of Chemistry, Department of Analytical Chemistry; University of Bucharest; Bucharest Romania
| | - Elena Bacalum
- Research Institute; University of Bucharest; Bucharest Romania
| | - Victor David
- Faculty of Chemistry, Department of Analytical Chemistry; University of Bucharest; Bucharest Romania
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Rico-Yuste A, Walravens J, Urraca JL, Abou-Hany RAG, Descalzo AB, Orellana G, Rychlik M, De Saeger S, Moreno-Bondi MC. Analysis of alternariol and alternariol monomethyl ether in foodstuffs by molecularly imprinted solid-phase extraction and ultra-high-performance liquid chromatography tandem mass spectrometry. Food Chem 2017; 243:357-364. [PMID: 29146349 DOI: 10.1016/j.foodchem.2017.09.125] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 09/22/2017] [Accepted: 09/26/2017] [Indexed: 12/18/2022]
Abstract
Molecularly imprinted porous polymer microspheres selective to Alternaria mycotoxins, alternariol (AOH) and alternariol monomethyl ether (AME), were synthesized and applied to the extraction of both mycotoxins in food samples. The polymer was prepared using 4-vinylpiridine (VIPY) and methacrylamide (MAM) as functional monomers, ethylene glycol dimethacrylate (EDMA) as cross-linker and 3,8,9-trihydroxy-6H-dibenzo[b,d]pyran-6-one (S2) as AOH surrogate template. A molecularly imprinted solid phase extraction (MISPE) method has been optimized for the selective isolation of the mycotoxins from aqueous samples coupled to HPLC with fluorescence (λex=258nm; λem=440nm) or MS/MS analysis. The MISPE method was validated by UPLC-MS/MS for the determination of AOH and AME in tomato juice and sesame oil based on the European Commission Decision 2002/657/EC. Method performance was satisfactory with recoveries from 92.5% to 106.2% and limits of quantification within the 1.1-2.8µgkg-1 range in both samples.
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Affiliation(s)
- A Rico-Yuste
- Chemical Optosensors and Applied Photochemistry Group (GSOLFA), Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - J Walravens
- Laboratory of Food Analysis, Department of Bioanalysis, Ghent University, Ottergemsesteenweg 460, BE-9000 Ghent, Belgium.
| | - J L Urraca
- Chemical Optosensors and Applied Photochemistry Group (GSOLFA), Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain; CEI Campus Moncloa, UCM-UPM, Avenida Complutense, s/n, ES-28040 Madrid, Spain.
| | - R A G Abou-Hany
- Chemical Optosensors and Applied Photochemistry Group (GSOLFA), Department of Organic Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - A B Descalzo
- Chemical Optosensors and Applied Photochemistry Group (GSOLFA), Department of Organic Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - G Orellana
- Chemical Optosensors and Applied Photochemistry Group (GSOLFA), Department of Organic Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - M Rychlik
- Technische Universität München, Chair of Analytical Food Chemistry, Alte Akademie 10, DE-85354 Freising, Germany.
| | - S De Saeger
- Laboratory of Food Analysis, Department of Bioanalysis, Ghent University, Ottergemsesteenweg 460, BE-9000 Ghent, Belgium.
| | - M C Moreno-Bondi
- Chemical Optosensors and Applied Photochemistry Group (GSOLFA), Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
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12
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Yang W, Sabi-Mouka EMB, Wang L, Shu C, Wang Y, Ding J, Ding L. Determination of tranilast in bio-samples by LC-MS/MS: Application to a pharmacokinetic and brain tissue distribution study in rats. J Pharm Biomed Anal 2017; 147:479-484. [PMID: 28774678 DOI: 10.1016/j.jpba.2017.06.047] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2017] [Revised: 06/11/2017] [Accepted: 06/17/2017] [Indexed: 10/19/2022]
Abstract
As a potent drug used to improve the neurodegenerative conditions, there is few information about the brain tissue distribution of tranilast by now. In this study, a novel sensitive LC-MS/MS method has been developed and validated to determine tranilast in rat brain tissue samples. The calibration curve showed good linearity ranged from 2.140 to 428.0ng·mL-1. The method was fully validated and successfully applied in the brain tissue distribution study of tranilast in rats, which had never been reported in detail by now. Furthermore, a rapid LC-MS/MS method with a short run time of 3min was developed and validated for the determination of tranilast in rat plasma and the application to a pharmacokinetic study of tranilast in rats. After oral dosage of 10.5mg·kg-1 tranilast, the maximum plasma concentration (Cmax1) of tranilast was (18.59±5.40) μg·mL-1 at (0.667±0.408) h while the area under the curve (AUC0-24) was (54.87±14.13) μg·h·mL-1 with the elimination half-life of (2.93±0.41) h. The ratio calculated by dividing the concentration of tranilast in brain with the concentration of tranilast in the plasma, was (0.6042%±0.0572%), (0.7484%±0.0883%), (0.5914%±0.0416%) and (0.3830%±0.1632%) at 0.167, 0.5, 2 and 8h, respectively. The results showed that tranilast with fast absorption could penetrate the rat brain blood barrier after oral gavage. The obtained data also showed that tranilast could be quickly distributed and eliminated in brain tissue.
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Affiliation(s)
- Wen Yang
- Department of Pharmaceutical Analysis, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Eboka Majolene B Sabi-Mouka
- Department of Pharmaceutical Analysis, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Lei Wang
- Department of Pharmaceutical Analysis, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Chang Shu
- Department of Pharmaceutical Analysis, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Yan Wang
- Department of Pharmaceutical Analysis, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China; College of Pharmacy and Chemistry, Dali University, Wanhua Road, Dali 671000, China
| | - Juefang Ding
- Department of Pharmaceutical Analysis, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China; Nanjing Clinical Tech Laboratories Inc., 18 Zhilan Road, Jiangning District, Nanjing 211000, China
| | - Li Ding
- Department of Pharmaceutical Analysis, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China.
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13
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Tang L, Mo Y, Li Y, Zhong Y, He S, Zhang Y, Tang Y, Fu S, Wang X, Chen A. Urolithin A alleviates myocardial ischemia/reperfusion injury via PI3K/Akt pathway. Biochem Biophys Res Commun 2017; 486:774-780. [PMID: 28343995 DOI: 10.1016/j.bbrc.2017.03.119] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Accepted: 03/22/2017] [Indexed: 01/30/2023]
Abstract
Ischemia/reperfusion (I/R) induces additional damage to the restoration of blood flow to ischemic myocardium. This study examined the effects of urolithin A (UA) on myocardial injury of ischemia/reperfusion in vivo and vitro and explored its underlying mechanisms. Mice were subjected to myocardial ischemia followed by reperfusion. Cells were subjected to hypoxia followed by reoxygenation. UA alleviated hypoxia/reoxygenation (H/R) injury in myocardial cells, reduced myocardial infarct size and cell death in mice after ischemia/reperfusion. Meanwhile, UA enhanced antioxidant capacity in cardiomyocytes following hypoxia/reoxygenation. UA reduced myocardial apoptosis following ischemia/reperfusion. The protection of UA was abolished by LY294002, a PI3K/Akt-inhibitor. These results demonstrated that UA alleviates myocardial ischemia/reperfusion injury probably through PI3K/Akt pathway.
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Affiliation(s)
- Lu Tang
- Department of Cardiology, Zhujiang Hospital of Southern Medical University, No. 253, Gongye Road, Guangzhou 510280, China; Department of Cardiology, Yiyang Central Hospital, Kangfu Road 118, Yiyang, Hunan 413000, China
| | - Yingli Mo
- Department of Internal Medicine, Yiyang Medical College, Yingbin Road 516, Yiyang, Hunan 413000, China; Department of Cardiology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Yunpeng Li
- Department of Cardiology, Zhujiang Hospital of Southern Medical University, No. 253, Gongye Road, Guangzhou 510280, China
| | - Yongkang Zhong
- Department of Cardiology, Zhujiang Hospital of Southern Medical University, No. 253, Gongye Road, Guangzhou 510280, China
| | - Shangfei He
- Department of Cardiology, Zhujiang Hospital of Southern Medical University, No. 253, Gongye Road, Guangzhou 510280, China
| | - Ya Zhang
- Department of Cardiology, Zhujiang Hospital of Southern Medical University, No. 253, Gongye Road, Guangzhou 510280, China
| | - Ying Tang
- Department of Cardiology, Zhujiang Hospital of Southern Medical University, No. 253, Gongye Road, Guangzhou 510280, China
| | - Shanshan Fu
- Department of Cardiology, Zhujiang Hospital of Southern Medical University, No. 253, Gongye Road, Guangzhou 510280, China
| | - Xianbao Wang
- Department of Cardiology, Zhujiang Hospital of Southern Medical University, No. 253, Gongye Road, Guangzhou 510280, China
| | - Aihua Chen
- Department of Cardiology, Zhujiang Hospital of Southern Medical University, No. 253, Gongye Road, Guangzhou 510280, China.
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