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Fragopoulou E, Gkotsi K, Petsini F, Gioti K, Kalampaliki AD, Lambrinidis G, Kostakis IK, Tenta R. Synthesis and Biological Evaluation of Resveratrol Methoxy Derivatives. Molecules 2023; 28:5547. [PMID: 37513418 PMCID: PMC10386404 DOI: 10.3390/molecules28145547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/13/2023] [Accepted: 07/15/2023] [Indexed: 07/30/2023] Open
Abstract
Resveratrol, a naturally occurring stilbene, exhibits numerous beneficial health effects. Various studies have demonstrated its diverse biological actions, including anti-oxidant, anti-inflammatory, and anti-platelet properties, thereby supporting its potential for cardio protection, neuroprotection, and anti-cancer activity. However, a significant limitation of resveratrol is its weak bioavailability. To overcome this challenge, multiple research groups have investigated the synthesis of new resveratrol derivatives to enhance bioavailability and pharmacological activities. Nevertheless, there are limited data on the effects of resveratrol derivatives on platelet function. Therefore, the objective of this study was to synthesize resveratrol methoxy derivatives and evaluate their anti-platelet and anti-proliferative activity. Platelet-rich plasma (PRP) obtained from healthy volunteers was utilized to assess the derivatives' ability to inhibit platelet aggregation induced by platelet activating factor (PAF), adenosine diphosphate (ADP), and thrombin receptor activating peptide (TRAP). Additionally, the derivatives' anti-tumor activity was evaluated against the proliferation of PC-3 and HCT116 cells. The results revealed that some methoxy derivatives of resveratrol exhibited comparable or even superior anti-platelet activity compared to the original compound. The most potent derivative was the 4'-methoxy derivative, which demonstrated approximately 2.5 orders of magnitude higher anti-platelet activity against TRAP-induced platelet aggregation, indicating its potential as an anti-platelet agent. Concerning in silico studies, the 4'-methyl group of 4'-methoxy derivative is oriented similarly to the fluorophenyl-pyridyl group of Vorapaxar, buried in a hydrophobic cavity. In terms of their anti-tumor activity, 3-MRESV exhibited the highest potency in PC-3 cells, while 3,4'-DMRESV and TMRESV showed the greatest efficacy in HCT116 cells. In conclusion, methoxy derivatives of resveratrol possess similar or improved anti-platelet and anti-cancer effects, thereby holding potential as bioactive compounds in various pathological conditions.
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Affiliation(s)
- Elizabeth Fragopoulou
- Department of Nutrition and Dietetics, Harokopio University, 70 Eleftheriou Venizelou Avenue Kallithea, 17676 Athens, Greece
| | - Katerina Gkotsi
- Department of Nutrition and Dietetics, Harokopio University, 70 Eleftheriou Venizelou Avenue Kallithea, 17676 Athens, Greece
| | - Filio Petsini
- Department of Nutrition and Dietetics, Harokopio University, 70 Eleftheriou Venizelou Avenue Kallithea, 17676 Athens, Greece
| | - Katerina Gioti
- Department of Nutrition and Dietetics, Harokopio University, 70 Eleftheriou Venizelou Avenue Kallithea, 17676 Athens, Greece
| | - Amalia D Kalampaliki
- Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece
| | - George Lambrinidis
- Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece
| | - Ioannis K Kostakis
- Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece
| | - Roxane Tenta
- Department of Nutrition and Dietetics, Harokopio University, 70 Eleftheriou Venizelou Avenue Kallithea, 17676 Athens, Greece
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Arvaniti OS, Tsolou A, Sakantani E, Milla S, Kallinikou E, Petsini F, Choleva M, Detopoulou M, Fragopoulou E, Samaras Y. Quality characteristics, polyphenol profile and antioxidant capacity in red, rosé and white monovarietal wines from Ionian Islands of Greece [pdf]. Acta Sci Pol Technol Aliment 2022. [DOI: 10.17306/j.afs.2022.1091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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Arvaniti OS, Tsolou A, Sakantani E, Milla S, Kallinikou E, Petsini F, Choleva M, Detopoulou M, Fragopoulou E, Samaras Y. Quality characteristics, polyphenol profile and antioxidant capacity in red, rosé and white monovarietal wines from Ionian Islands of Greece. Acta Sci Pol Technol Aliment 2022. [DOI: 10.17306/j.afs.1091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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Antonopoulou S, Petsini F, Detopoulou M, Theoharides TC, Demopoulos CA. Is there an interplay between the SARS-CoV-2 spike protein and Platelet-Activating factor? Biofactors 2022; 48:1271-1283. [PMID: 35852257 PMCID: PMC9349578 DOI: 10.1002/biof.1877] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 06/27/2022] [Indexed: 12/24/2022]
Abstract
Previous publications have reported a potent effect of COVID-19 on platelet function and that the Spike protein enhances washed human platelet aggregation induced by various agonists. This study aims to evaluate whether mRNA vaccination for COVID-19 affects human platelet-rich plasma (hPRP) aggregation response, whether a recombinant Spike protein modulates PAF-induced aggregation in hPRP and in washed rabbit platelets (WRP), and to investigate the effect of recombinant Spike protein on the PAF production in the U-937 cell line. Our results showed that PRP from vaccinated individuals exhibited ex vivo lower EC50 values in response to PAF, ADP, and collagen. Platelet incubation with the Spike protein alone did not induce aggregation either in hPRP or in WRP, but resulted in augmentation of in vitro PAF-induced aggregation in hPRP from non-vaccinated individuals and in WRP. When PRP from vaccinated individuals was incubated with the Spike protein and PAF was subsequently added, elimination of the secondary wave of the biphasic aggregation curve was recorded compared with the aggregation induced by PAF alone. Collagen-induced in vitro aggregation was dose-dependently reduced when platelets were pre-incubated with the Spike protein in all tested aggregation experiments. Stimulation of U-937 by the Spike protein induced an increase in intracellular PAF production accompanied by elevation of the activities of all three PAF biosynthetic enzymes. In conclusion, since the Spike protein appears to modulate PAF production and activity, the use of compounds that act as PAF inhibitors, could be considered at least in mild cases of patients infected with SARS-CoV-2.
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Affiliation(s)
- Smaragdi Antonopoulou
- Laboratory of Biology, Biochemistry and Microbiology, Department of Nutrition‐Dietetics, School of Health Sciences and EducationHarokopio UniversityAthensGreece
| | - Filio Petsini
- Laboratory of Biology, Biochemistry and Microbiology, Department of Nutrition‐Dietetics, School of Health Sciences and EducationHarokopio UniversityAthensGreece
| | - Maria Detopoulou
- Laboratory of Biology, Biochemistry and Microbiology, Department of Nutrition‐Dietetics, School of Health Sciences and EducationHarokopio UniversityAthensGreece
| | - Theoharis C. Theoharides
- Laboratory of Molecular Immunopharmacology and Drug Discovery, Department of ImmunologyTufts University School of MedicineBostonMassachusettsUnited States
- School of Graduate Biomedical SciencesTufts University School of MedicineBostonMassachusettsUnited States
- Department of Internal MedicineTufts University School of Medicine and Tufts Medical CenterBostonMassachusettsUnited States
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Petsini F, Ntzouvani A, Detopoulou M, Papakonstantinou VD, Kalogeropoulos N, Fragopoulou E, Nomikos T, Kontogianni MD, Antonopoulou S. Consumption of Farmed Fish, Fed with an Olive-Pomace Enriched Diet, and Its Effect on the Inflammatory, Redox, and Platelet-Activating Factor Enzyme Profile of Apparently Healthy Adults: A Double-Blind Randomized Crossover Trial. Foods 2022; 11:foods11142105. [PMID: 35885348 PMCID: PMC9318848 DOI: 10.3390/foods11142105] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 07/08/2022] [Accepted: 07/13/2022] [Indexed: 02/05/2023] Open
Abstract
A fish-rich diet has a beneficial effect on cardiovascular health. The platelet activating factor (PAF) is involved in the development of atherosclerosis, and in vitro results support the regulating action of bioactive nutrients on PAF metabolism. The purpose of this study is to examine whether the consumption of farmed fish fed with an olive-pomace enriched diet (EF) affects PAF metabolism and the markers of inflammation and oxidative stress compared to the consumption of conventionally fed farmed fish (CF). Thirty apparently healthy adults completed a randomized double-blind crossover trial, during which they consumed both CF and EF twice a week for 8 weeks with a six-week washout period in between. The activities of PAF acetylhydrolase (PAF-AH), lysoPAF acetyltransferase (lysoPAF-AT), DTT-insensitive CDP-choline: 1-alkyl-2-acetyl-sn-glycerol-choline-phosphotransferase (PAF-CPT) in leukocytes, and lipoprotein-associated phospholipase A2 (LpPLA2) in serum were determined. The quantities of interleukin-6 (IL-6), high sensitivity C-reactive protein (hsCRP), oxidized LDL (ox-LDL), thiobarbituric acid-reactive substances (TBARS), and glutathione peroxidase (GPx), as well as the serum oxidation, were also determined. Both types of fish exerted similar effects as there were no statistically significant differences between the two interventions except for an elevated PAF-CPT and reduced arachidonic acid (AA) in the red blood cell (RBC) membrane lipids after the EF intake.
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Affiliation(s)
- Filio Petsini
- Department of Nutrition and Dietetics, School of Health Sciences and Education, Harokopio University,17671 Athens, Greece; (F.P.); (A.N.); (M.D.); (N.K.); (E.F.); (T.N.); (M.D.K.)
| | - Agathi Ntzouvani
- Department of Nutrition and Dietetics, School of Health Sciences and Education, Harokopio University,17671 Athens, Greece; (F.P.); (A.N.); (M.D.); (N.K.); (E.F.); (T.N.); (M.D.K.)
| | - Maria Detopoulou
- Department of Nutrition and Dietetics, School of Health Sciences and Education, Harokopio University,17671 Athens, Greece; (F.P.); (A.N.); (M.D.); (N.K.); (E.F.); (T.N.); (M.D.K.)
| | - Vasiliki D Papakonstantinou
- Laboratory of Biochemistry, Department of Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece;
| | - Nick Kalogeropoulos
- Department of Nutrition and Dietetics, School of Health Sciences and Education, Harokopio University,17671 Athens, Greece; (F.P.); (A.N.); (M.D.); (N.K.); (E.F.); (T.N.); (M.D.K.)
| | - Elizabeth Fragopoulou
- Department of Nutrition and Dietetics, School of Health Sciences and Education, Harokopio University,17671 Athens, Greece; (F.P.); (A.N.); (M.D.); (N.K.); (E.F.); (T.N.); (M.D.K.)
| | - Tzortzis Nomikos
- Department of Nutrition and Dietetics, School of Health Sciences and Education, Harokopio University,17671 Athens, Greece; (F.P.); (A.N.); (M.D.); (N.K.); (E.F.); (T.N.); (M.D.K.)
| | - Meropi D Kontogianni
- Department of Nutrition and Dietetics, School of Health Sciences and Education, Harokopio University,17671 Athens, Greece; (F.P.); (A.N.); (M.D.); (N.K.); (E.F.); (T.N.); (M.D.K.)
| | - Smaragdi Antonopoulou
- Department of Nutrition and Dietetics, School of Health Sciences and Education, Harokopio University,17671 Athens, Greece; (F.P.); (A.N.); (M.D.); (N.K.); (E.F.); (T.N.); (M.D.K.)
- Correspondence:
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Detopoulou M, Ntzouvani A, Petsini F, Gavriil L, Fragopoulou E, Antonopoulou S. Consumption of Enriched Yogurt with PAF Inhibitors from Olive Pomace Affects the Major Enzymes of PAF Metabolism: A Randomized, Double Blind, Three Arm Trial. Biomolecules 2021; 11:biom11060801. [PMID: 34071485 PMCID: PMC8227157 DOI: 10.3390/biom11060801] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/21/2021] [Accepted: 05/26/2021] [Indexed: 01/02/2023] Open
Abstract
Platelet-activating factor (PAF), a proinflammatory lipid mediator, plays a crucial role in the formation of the atherosclerotic plaque. Therefore, the inhibition of endothelium inflammation by nutraceuticals, such as PAF inhibitors, is a promising alternative for preventing cardiovascular diseases. The aim of the present study was to evaluate the impact of a new functional yogurt enriched with PAF inhibitors of natural origin from olive oil by-products on PAF metabolism. Ninety-two apparently healthy, but mainly overweight volunteers (35-65 years) were randomly allocated into three groups by block-randomization. The activities of PAF's biosynthetic and catabolic enzymes were measured, specifically two isoforms of acetyl-CoA:lyso-PAF acetyltransferase (LPCATs), cytidine 5'-diphospho-choline:1-alkyl-2-acetyl-sn-glycerol cholinephosphotransferase (PAF-CPT) and two isoforms of platelet activating factor acetylhydrolase in leucocytes (PAF-AH) and plasma (lipoprotein associated phospholipase-A2, LpPLA2). The intake of the enriched yogurt resulted in reduced PAF-CPT and LpPLA2 activities. No difference was observed in the activities of the two isoforms of lyso PAF-AT. In conclusion, intake of yogurt enriched in PAF inhibitors could favorably modulate PAF biosynthetic and catabolic pathways.
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Fragopoulou E, Petsini F, Choleva M, Detopoulou M, S. Arvaniti O, Kallinikou E, Sakantani E, Tsolou A, Nomikos T, Samaras Y. Evaluation of Anti-Inflammatory, Anti-Platelet and Anti-Oxidant Activity of Wine Extracts Prepared from Ten Different Grape Varieties. Molecules 2020; 25:E5054. [PMID: 33143291 PMCID: PMC7662244 DOI: 10.3390/molecules25215054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 10/23/2020] [Accepted: 10/27/2020] [Indexed: 12/21/2022] Open
Abstract
Inflammation, thrombosis and oxidative stress are rarely studied together when wine's biological activity is concerned; hence the existing literature lacks a holistic point of view in the biological outcome. The scope of the present study is to parallel evaluate the effect of wine extracts on those mechanisms. Ten wine varieties and two different extraction methods were used leading to five extracts for each wine: total lipids (TL) and fractions with different phenolic compound classes (FI, FII, FIII and FIV). Their effect on oxidative stress, platelet aggregation and the secretion of cytokines from mononuclear cells was measured and a biological score was calculated. FII of white wines is the most potent extract and the extracts FIII and TL are following. Specifically, FII had higher anti-oxidant and anti-inflammatory score while all three fractions had a similar anti-platelet score. Furthermore, FII and FIII extracts were the most potent red wine extracts and revealed the highest anti-oxidant and anti-inflammatory scores. White wine FII extracts were more potent than the red wine ones while FI and FIV extracts of red wine were more potent than the white wine ones. In conclusion, the protective effect of a wine is independent of its color but is strongly associated with its microconstituents profile. FII extract revealed the highest biological score and further examination is needed in order to identify the compounds that are responsible for the aforementioned actions.
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Affiliation(s)
- Elizabeth. Fragopoulou
- Department of Nutritions & Dietetics, School of Health Sciences & Education, Harokopio University, 17676 Athens, Greece; (F.P.); (M.C.); (M.D.); (T.N.)
| | - Filio Petsini
- Department of Nutritions & Dietetics, School of Health Sciences & Education, Harokopio University, 17676 Athens, Greece; (F.P.); (M.C.); (M.D.); (T.N.)
- Department of Food Science and Technology, Faculty of Environmental Sciences, Ionian University, 17676 Athens, Greece; (O.S.A.); (E.K.); (E.S.); (A.T.); (Y.S.)
| | - Maria Choleva
- Department of Nutritions & Dietetics, School of Health Sciences & Education, Harokopio University, 17676 Athens, Greece; (F.P.); (M.C.); (M.D.); (T.N.)
- Department of Food Science and Technology, Faculty of Environmental Sciences, Ionian University, 17676 Athens, Greece; (O.S.A.); (E.K.); (E.S.); (A.T.); (Y.S.)
| | - Maria Detopoulou
- Department of Nutritions & Dietetics, School of Health Sciences & Education, Harokopio University, 17676 Athens, Greece; (F.P.); (M.C.); (M.D.); (T.N.)
- Department of Food Science and Technology, Faculty of Environmental Sciences, Ionian University, 17676 Athens, Greece; (O.S.A.); (E.K.); (E.S.); (A.T.); (Y.S.)
| | - Olga S. Arvaniti
- Department of Food Science and Technology, Faculty of Environmental Sciences, Ionian University, 17676 Athens, Greece; (O.S.A.); (E.K.); (E.S.); (A.T.); (Y.S.)
| | - Eftyhia Kallinikou
- Department of Food Science and Technology, Faculty of Environmental Sciences, Ionian University, 17676 Athens, Greece; (O.S.A.); (E.K.); (E.S.); (A.T.); (Y.S.)
| | - Eleni Sakantani
- Department of Food Science and Technology, Faculty of Environmental Sciences, Ionian University, 17676 Athens, Greece; (O.S.A.); (E.K.); (E.S.); (A.T.); (Y.S.)
| | - Ageliki Tsolou
- Department of Food Science and Technology, Faculty of Environmental Sciences, Ionian University, 17676 Athens, Greece; (O.S.A.); (E.K.); (E.S.); (A.T.); (Y.S.)
| | - Tzortzis Nomikos
- Department of Nutritions & Dietetics, School of Health Sciences & Education, Harokopio University, 17676 Athens, Greece; (F.P.); (M.C.); (M.D.); (T.N.)
| | - Yiannis Samaras
- Department of Food Science and Technology, Faculty of Environmental Sciences, Ionian University, 17676 Athens, Greece; (O.S.A.); (E.K.); (E.S.); (A.T.); (Y.S.)
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Abstract
The purpose of this review is to collect and compare fish intervention studies. Prospective studies have outlined the beneficial effect of frequent fish consumption on cardiovascular incidents that is attributed to n-3 fatty acids incorporated in fish, mainly eicosapentaenoic (EPA), and docosahexaenoic (DHA) acids. This outcome triggered clinical trials to examine the effect of either fish intake or consumption of n-3 fatty acids via capsules on biomarkers related to cardiovascular disease (CVD). The absence of a recent review focusing on clinical trials regarding fish intake and not n-3 fatty acids supplements rendered necessary the composition of this article. In total, 28 studies on healthy volunteers were found to meet the inclusion criteria. With EPA and DHA intake varying between 0.03 to 5 g per day, biomarkers, such as triglycerides, high-density lipoprotein and platelet aggregation, tended to ameliorate when daily intake exceeded 1 g per day, while the most common inflammatory marker, C-reactive protein, was not affected. In all, fish consumption gives promising results; yet fish micronutrients, total diet fat, as well as other dietary habits may also affect biomarkers. Therefore, all these factors should be considered in future clinical trials in order for one to draw more reliable conclusions.
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Affiliation(s)
- Filio Petsini
- a Department of Nutrition and Dietetics , Harokopio University , Athens , Greece
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