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Brown K, Theofanous D, Britton RG, Aburido G, Pepper C, Sri Undru S, Howells L. Resveratrol for the Management of Human Health: How Far Have We Come? A Systematic Review of Resveratrol Clinical Trials to Highlight Gaps and Opportunities. Int J Mol Sci 2024; 25:747. [PMID: 38255828 PMCID: PMC10815776 DOI: 10.3390/ijms25020747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 01/01/2024] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
Resveratrol has long been proposed as being beneficial to human health across multiple morbidities, yet there is currently no conclusive clinical evidence to advocate its recommendation in any healthcare setting. A large cohort with high-quality clinical data and clearly defined biomarkers or endpoints are required to draw meaningful conclusions. This systematic review compiles every clinical trial conducted using a defined dose of resveratrol in a purified form across multiple morbidities to highlight the current 'state-of-play' and knowledge gaps, informing future trial designs to facilitate the realisation of resveratrol's potential benefits to human health. Over the last 20 years, there have been almost 200 studies evaluating resveratrol across at least 24 indications, including cancer, menopause symptoms, diabetes, metabolic syndrome, and cardiovascular disease. There are currently no consensus treatment regimens for any given condition or endpoint, beyond the fact that resveratrol is generally well-tolerated at a dose of up to 1 g/day. Additionally, resveratrol consistently reduces inflammatory markers and improves aspects of a dysregulated metabolism. In conclusion, over the last 20 years, the increasing weight of clinical evidence suggests resveratrol can benefit human health, but more large, high-quality clinical trials are required to transition this intriguing compound from health food shops to the clinic.
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Affiliation(s)
- Karen Brown
- Leicester Cancer Research Centre, University of Leicester, Robert Kilpatrick Clinical Sciences Building, Leicester Royal Infirmary, Leicester LE2 7LX, UK; (D.T.); (R.G.B.); (G.A.); (S.S.U.); (L.H.)
| | - Despoina Theofanous
- Leicester Cancer Research Centre, University of Leicester, Robert Kilpatrick Clinical Sciences Building, Leicester Royal Infirmary, Leicester LE2 7LX, UK; (D.T.); (R.G.B.); (G.A.); (S.S.U.); (L.H.)
| | - Robert G. Britton
- Leicester Cancer Research Centre, University of Leicester, Robert Kilpatrick Clinical Sciences Building, Leicester Royal Infirmary, Leicester LE2 7LX, UK; (D.T.); (R.G.B.); (G.A.); (S.S.U.); (L.H.)
| | - Grandezza Aburido
- Leicester Cancer Research Centre, University of Leicester, Robert Kilpatrick Clinical Sciences Building, Leicester Royal Infirmary, Leicester LE2 7LX, UK; (D.T.); (R.G.B.); (G.A.); (S.S.U.); (L.H.)
| | - Coral Pepper
- Odames Library, Victoria Building, Leicester Royal Infirmary, Leicester LE1 5WW, UK
| | - Shanthi Sri Undru
- Leicester Cancer Research Centre, University of Leicester, Robert Kilpatrick Clinical Sciences Building, Leicester Royal Infirmary, Leicester LE2 7LX, UK; (D.T.); (R.G.B.); (G.A.); (S.S.U.); (L.H.)
| | - Lynne Howells
- Leicester Cancer Research Centre, University of Leicester, Robert Kilpatrick Clinical Sciences Building, Leicester Royal Infirmary, Leicester LE2 7LX, UK; (D.T.); (R.G.B.); (G.A.); (S.S.U.); (L.H.)
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Gál R, Halmosi R, Gallyas F, Tschida M, Mutirangura P, Tóth K, Alexy T, Czopf L. Resveratrol and beyond: The Effect of Natural Polyphenols on the Cardiovascular System: A Narrative Review. Biomedicines 2023; 11:2888. [PMID: 38001889 PMCID: PMC10669290 DOI: 10.3390/biomedicines11112888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/11/2023] [Accepted: 10/19/2023] [Indexed: 11/26/2023] Open
Abstract
Cardiovascular diseases (CVDs) are among the leading causes of morbidity and mortality worldwide. Unhealthy dietary habits have clearly been shown to contribute to the development of CVDs. Beyond the primary nutrients, a healthy diet is also rich in plant-derived compounds. Natural polyphenols, found in fruits, vegetables, and red wine, have a clear role in improving cardiovascular health. In this review, we strive to summarize the results of the relevant pre-clinical and clinical trials that focused on some of the most important natural polyphenols, such as resveratrol and relevant flavonoids. In addition, we aim to identify their common sources, biosynthesis, and describe their mechanism of action including their regulatory effect on signal transduction pathways. Finally, we provide scientific evidence regarding the cardiovascular benefits of moderate, long-term red wine consumption.
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Affiliation(s)
- Roland Gál
- Division of Cardiology, 1st Department of Medicine, Medical School, University of Pecs, 7624 Pecs, Hungary; (R.G.); (R.H.); (K.T.)
- Szentágothai Research Centre, University of Pecs, 7624 Pecs, Hungary
| | - Róbert Halmosi
- Division of Cardiology, 1st Department of Medicine, Medical School, University of Pecs, 7624 Pecs, Hungary; (R.G.); (R.H.); (K.T.)
- Szentágothai Research Centre, University of Pecs, 7624 Pecs, Hungary
| | - Ferenc Gallyas
- Department of Biochemistry and Medical Chemistry, University of Pecs, 7624 Pecs, Hungary;
| | - Michael Tschida
- Medical School, University of Minnesota, Minneapolis, MN 55455, USA;
| | - Pornthira Mutirangura
- Department of Medicine, University of Minnesota Medical School, Minneapolis, MN 55455, USA;
| | - Kálmán Tóth
- Division of Cardiology, 1st Department of Medicine, Medical School, University of Pecs, 7624 Pecs, Hungary; (R.G.); (R.H.); (K.T.)
- Szentágothai Research Centre, University of Pecs, 7624 Pecs, Hungary
| | - Tamás Alexy
- Department of Medicine, Division of Cardiology, University of Minnesota, Minneapolis, MN 55455, USA;
| | - László Czopf
- Division of Cardiology, 1st Department of Medicine, Medical School, University of Pecs, 7624 Pecs, Hungary; (R.G.); (R.H.); (K.T.)
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The Effect of Resveratrol on the Cardiovascular System from Molecular Mechanisms to Clinical Results. Int J Mol Sci 2021; 22:ijms221810152. [PMID: 34576315 PMCID: PMC8466271 DOI: 10.3390/ijms221810152] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 09/02/2021] [Accepted: 09/16/2021] [Indexed: 12/13/2022] Open
Abstract
Cardiovascular diseases are the leading causes of death worldwide. The cardioprotective effects of natural polyphenols such as resveratrol (3,5,4-trihydroxystilbene) have been extensively investigated throughout recent decades. Many studies of RES have focused on its favorable effects on pathological conditions related to cardiovascular diseases and their risk factors. The aim of this review was to summarize the wide beneficial effects of resveratrol on the cardiovascular system, including signal transduction pathways of cell longevity, energy metabolism of cardiomyocytes or cardiac remodeling, and its anti-inflammatory and antioxidant properties. In addition, this paper discusses the significant preclinical and human clinical trials of recent years with resveratrol on cardiovascular system. Finally, we present a short overview of antiviral and anti-inflammatory properties and possible future perspectives on RES against COVID-19 in cardiovascular diseases.
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Jhanji M, Rao CN, Sajish M. Towards resolving the enigma of the dichotomy of resveratrol: cis- and trans-resveratrol have opposite effects on TyrRS-regulated PARP1 activation. GeroScience 2021; 43:1171-1200. [PMID: 33244652 PMCID: PMC7690980 DOI: 10.1007/s11357-020-00295-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 10/28/2020] [Indexed: 02/07/2023] Open
Abstract
Unlike widely perceived, resveratrol (RSV) decreased the average lifespan and extended only the replicative lifespan in yeast. Similarly, although not widely discussed, RSV is also known to evoke neurite degeneration, kidney toxicity, atherosclerosis, premature senescence, and genotoxicity through yet unknown mechanisms. Nevertheless, in vivo animal models of diseases and human clinical trials demonstrate inconsistent protective and beneficial effects. Therefore, the mechanism of action of RSV that elicits beneficial effects remains an enigma. In a previously published work, we demonstrated structural similarities between RSV and tyrosine amino acid. RSV acts as a tyrosine antagonist and competes with it to bind to human tyrosyl-tRNA synthetase (TyrRS). Interestingly, although both isomers of RSV bind to TyrRS, only the cis-isomer evokes a unique structural change at the active site to promote its interaction with poly-ADP-ribose polymerase 1 (PARP1), a major determinant of cellular NAD+-dependent stress response. However, retention of trans-RSV in the active site of TyrRS mimics its tyrosine-bound conformation that inhibits the auto-poly-ADP-ribos(PAR)ylation of PARP1. Therefore, we proposed that cis-RSV-induced TyrRS-regulated auto-PARylation of PARP1 would contribute, at least in part, to the reported health benefits of RSV through the induction of protective stress response. This observation suggested that trans-RSV would inhibit TyrRS/PARP1-mediated protective stress response and would instead elicit an opposite effect compared to cis-RSV. Interestingly, most recent studies also confirmed the conversion of trans-RSV and its metabolites to cis-RSV in the physiological context. Therefore, the finding that cis-RSV and trans-RSV induce two distinct conformations of TyrRS with opposite effects on the auto-PARylation of PARP1 provides a potential molecular basis for the observed dichotomic effects of RSV under different experimental paradigms. However, the fact that natural RSV exists as a diastereomeric mixture of its cis and trans isomers and cis-RSV is also a physiologically relevant isoform has not yet gained much scientific attention.
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Affiliation(s)
- Megha Jhanji
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, 29208, USA
| | - Chintada Nageswara Rao
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, 29208, USA
| | - Mathew Sajish
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, 29208, USA.
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Effects of a Traditional Caraway Formulation on Experimental Models of Vitiligo and Mechanisms of Melanogenesis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:6675657. [PMID: 33959187 PMCID: PMC8075664 DOI: 10.1155/2021/6675657] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 03/07/2021] [Accepted: 04/08/2021] [Indexed: 12/14/2022]
Abstract
Background Kursi Karwiya or caraway tablet (CWT), a traditional medicine formula, is widely used in Xinjiang, China, for treating vitiligo, a common autoimmune disease for which there is currently no satisfactory cure. Clinical interventions include pharmacological treatment with psoralens, often in conjunction with UVA radiation, but toxic side effects limit this application. Studies on the activities and mechanisms of CWT are scarce. Objective To investigate the in vitro and in vivo effects of CWT in B16 cell line and in animal models of vitiligo, further exploring its mechanisms of regulating melanogenesis. Methods Effects of CWT on melanin synthesis in B16 cells and mushroom tyrosinase activity were investigated in vitro. The signaling pathway of melanogenesis in murine B16 melanoma cells was examined by Western blotting. Two different animal models were used, vitiligo induced by hydroquinone in the mouse model and by hydrogen peroxide in the guinea pig model. Relevant biochemical parameters in blood and skin tissue were measured, and visual inspection, histopathology, and immunohistochemical analysis of treated areas were carried out. Results CWT produced changes in biochemical parameters including TYR, MDA, MAO, AChE, IL-6, INF-α, β-EP, and cAMP in blood and/or skin tissue and in regulating melanogenesis. After treatment with CTW, skin color, melanin containing hair follicles, and expression of TYR, TRP-1, and TRP-2 in the skin of animals were significantly affected. Conclusions CWT alleviated many of detrimental effects in both models of vitiligo. Tyrosinase activity and melanin content in B16 cells were increased, at least in part, via activation of the PKA p38 MAPK signaling pathways. Our results show that CWT produces beneficial effects on parameters of vitiligo and is worthy of further investigation for use in this distressing autoimmune disorder which currently has no effective cure.
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Wei TT, Feng YK, Cao JH, Li JH, Yuan SL, Ding Y, Chai YR. Dosage effects of resveratrol on thymus involution in D-galactose-treated mice. J Food Biochem 2021; 45:e13709. [PMID: 33778958 DOI: 10.1111/jfbc.13709] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 03/01/2021] [Accepted: 03/08/2021] [Indexed: 12/18/2022]
Abstract
The thymus regulates a specific microenvironment for the growth and maturation of naive T cells. Involution of immune function was an important factor during body aging. Preventing the senescence of immune organs has become a major medical issue. Resveratrol (RSV) has been proved to delay the aging of many organs including the thymus. However, the underlying mechanism remains indefinite and the dosages of RSV on thymus involution need to be further clarified. In the current study, the senescence-accelerated mice were produced using d-galactose for two months. RSV at different dosages (25, 50, 100 mg kg-1 day-1 ) was then administered. The alteration of the thymic morphological structure was observed. It showed that three dosages of RSV significantly decreased cellular senescence of the thymus and no dosage difference was detected. For cellular proliferation and apoptosis of the thymus, 50 and 25 mg/kg per day of RSV displayed the best effects on cellular proliferation and apoptosis in the thymus, respectively. Furthermore, 50 mg/kg per day of RSV increased the expression of FoxN1 both at transcription and translation levels. These findings indicated that RSV could delay thymus atrophy in a dosage-dependent pattern and FoxN1 might involve in the beneficial mechanism of RSV, which was of great significance for the enhancement of thymic health and organic immunity. PRACTICAL APPLICATIONS: Resveratrol has been proved to delay aging of many organs including of thymus. In the present study, we explored the dosage of resveratrol on thymus involution and the expression of transcription factors forkhead box protein N1 (FoxN1) in the senescenceaccelerated mice induced by D-galactose. The results indicated that resveratrol could delay thymus atrophy in a dosage-dependent pattern within a certain dose range, and higher RSV concentration may have drug toxicity, which suggests that the dosage of RSV requires attention, And FoxN1 might involve in the beneficial mechanism of resveratrol supplement, which was of great significance to explore the mechanism for the enhancement of thymus immunity.
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Affiliation(s)
- Ting-Ting Wei
- Department of Histology and Embryology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China.,Henan Scientific and Technical Institute of Reproductive Health, Zhengzhou, China
| | - Yuan-Kang Feng
- Department of Histology and Embryology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Jia-Hui Cao
- Department of Histology and Embryology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Jie-Han Li
- Department of Histology and Embryology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Shu-Liang Yuan
- Department of Histology and Embryology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Yi Ding
- Department of Histology and Embryology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Yu-Rong Chai
- Department of Histology and Embryology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
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Ochiai A, Kuroda K. Preconception resveratrol intake against infertility: Friend or foe? Reprod Med Biol 2020; 19:107-113. [PMID: 32273814 PMCID: PMC7138940 DOI: 10.1002/rmb2.12303] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 09/20/2019] [Accepted: 09/25/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Resveratrol is an antiaging, antioxidant, anti-inflammatory, and insulin-sensitizing natural polyphenolic compound. Growing evidence indicates that resveratrol has potential therapeutic effects in infertile women with diminished ovarian function, polycystic ovary syndrome (PCOS), or endometriosis. However, only one clinical trial in women undergoing in vitro fertilization (IVF) cycles using resveratrol has ever been reported. This review focuses on the potential therapeutic effects of resveratrol on pregnancy and on its advantages and disadvantages in pregnancy outcomes during infertility treatment. METHODS We performed a literature review to describe the known impacts of resveratrol on the ovary and endometrium. RESULTS Resveratrol upregulates sirtuin (SIRT)1 expression in ovaries, which is associated with protection against oxidative stress. It leads to the activation of telomerase activity and mitochondrial function, improving ovarian function. In the endometrium, resveratrol downregulates the CRABP2-RAR pathway leading to suppressing decidual and senescent changes of endometrial cells, which is essential for embryo implantation and placentation. Moreover, resveratrol may also induce deacetylation of important decidual-related genes. CONCLUSIONS Resveratrol has potential therapeutic effects for improving ovarian function; however, it also has anti-deciduogenic actions in uterine endometrium. In addition, its teratogenicity has not yet been ruled out; thus, resveratrol should be avoided during the luteal phase and pregnancy.
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Affiliation(s)
- Asako Ochiai
- Department of Obstetrics and GynecologyFaculty of MedicineJuntendo UniversityTokyoJapan
| | - Keiji Kuroda
- Department of Obstetrics and GynecologyFaculty of MedicineJuntendo UniversityTokyoJapan
- Center for Reproductive Medicine and Implantation ResearchSugiyama Clinic ShinjukuTokyoJapan
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Identification of Interleukin-8-Reducing Lead Compounds Based on SAR Studies on Dihydrochalcone-Related Compounds in Human Gingival Fibroblasts (HGF-1 cells) In Vitro. Molecules 2020; 25:molecules25061382. [PMID: 32197426 PMCID: PMC7144391 DOI: 10.3390/molecules25061382] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 03/12/2020] [Accepted: 03/16/2020] [Indexed: 11/25/2022] Open
Abstract
Background: In order to identify potential activities against periodontal diseases, eighteen dihydrochalcones and structurally related compounds were tested in an established biological in vitro cell model of periodontal inflammation using human gingival fibroblasts (HGF-1 cells). Methods: Subsequently to co-incubation of HGF-1 cells with a bacterial endotoxin (Porphyromonas gingivalis lipopolysaccharide, pgLPS) and each individual dihydrochalcone in a concentration range of 1 µM to 100 µM, gene expression of interleukin-8 (IL-8) was determined by qPCR and cellular interleukin-8 (IL-8) release by ELISA. Results: Structure–activity analysis based on the dihydrochalcone backbone and various substitution patterns at its aromatic ring revealed moieties 2′,4,4′,6′-tetrahydroxy 3-methoxydihydrochalcone (7) to be the most effective anti-inflammatory compound, reducing the pgLPS-induced IL-8 release concentration between 1 µM and 100 µM up to 94%. In general, a 2,4,6-trihydroxy substitution at the A-ring and concomitant vanilloyl (4-hydroxy-3-methoxy) pattern at the B-ring revealed to be preferable for IL-8 release inhibition. Furthermore, the introduction of an electronegative atom in the A,B-linker chain led to an increased anti-inflammatory activity, shown by the potency of 4-hydroxybenzoic acid N-vanillylamide (13). Conclusions: Our data may be feasible to be used for further lead structure designs for the development of potent anti-inflammatory additives in oral care products.
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Sgarbi G, Liuzzi F, Baracca A, Solaini G. Resveratrol preserves mitochondrial function in a human post-mitotic cell model. J Nutr Biochem 2018; 62:9-17. [PMID: 30216747 DOI: 10.1016/j.jnutbio.2018.07.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 06/18/2018] [Accepted: 07/25/2018] [Indexed: 02/06/2023]
Abstract
Dysfunctions caused by genetic defects in the mitochondrial DNA (mtDNA) of humans are called mitochondrial diseases; however, mtDNA mutations are also associated with aging and age-related diseases. Here, we present an original cellular model that allows gathering information on molecules that might contrast or prevent mitochondrial dysfunctions and their related diseases. This model allowed us to show that resveratrol (RSV), a phytochemical present in food, exerts protective effects at low concentrations on resting human fibroblasts carrying dysfunctional respiratory chain Complex I. Cells were maintained both in resting condition, to mimic the high energy demanding post-mitotic tissues (serum absence and gramicidin presence), and under glucose deficiency to push the synthesis of ATP via oxidative phosphorylation. Pre-incubation with RSV prolonged the viability of the fibroblasts exposed to rotenone, a well-known specific inhibitor of the respiratory chain Complex I, and decreased mitochondrial fragmentation. It significantly prevented the oxidative phosphorylation impairment indirectly caused by the rotenone-mediated Complex I inhibition, allowing for an almost complete preservation of the cellular ATP level. Indeed, RSV limited the rotenone-induced reactive oxygen species increase, allowing for the maintenance of a functional mitochondrial membrane potential. These findings indicate the potential usage of resveratrol to prevent or possibly treat many disorders, in which the bioenergetic defects and oxidative stress are the primary (mitochondrial encephalomyopathy), or the secondary (age-related diseases) causes of the pathology; and to also assist cell senescence during aging.
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Affiliation(s)
- Gianluca Sgarbi
- Department of Biomedical and Neuromotor Sciences, Laboratory of Biochemistry and Mitochondrial Pathophysiology, University of Bologna, via Irnerio, 48, 40126 Bologna, Italy
| | - Francesca Liuzzi
- Department of Biomedical and Neuromotor Sciences, Laboratory of Biochemistry and Mitochondrial Pathophysiology, University of Bologna, via Irnerio, 48, 40126 Bologna, Italy
| | - Alessandra Baracca
- Department of Biomedical and Neuromotor Sciences, Laboratory of Biochemistry and Mitochondrial Pathophysiology, University of Bologna, via Irnerio, 48, 40126 Bologna, Italy.
| | - Giancarlo Solaini
- Department of Biomedical and Neuromotor Sciences, Laboratory of Biochemistry and Mitochondrial Pathophysiology, University of Bologna, via Irnerio, 48, 40126 Bologna, Italy.
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Chen X, Li W, Xu C, Wang J, Zhu B, Huang Q, Chen D, Sheng J, Zou Y, Lee YM, Tan R, Shen P, Wong YK, Lin Q, Wang J, Hua Z. Comparative profiling of analog targets: a case study on resveratrol for mouse melanoma metastasis suppression. Theranostics 2018; 8:3504-3516. [PMID: 30026862 PMCID: PMC6037041 DOI: 10.7150/thno.24336] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 04/23/2018] [Indexed: 12/13/2022] Open
Abstract
Many plant-specialized metabolites have remedial properties and provide an endless chemical resource for drug discovery. However, most of these metabolites have promiscuous binding targets in mammalian cells and elicit a series of responses that collectively change the physiology of the cells. To explore the potential of these multi-functional and multi-targeted drugs, it is critical to understand the direct relationships between their key chemical features, the corresponding binding targets and the relevant biological effects, which is a prerequisite for future drug modification and optimization. Methods: We introduced and demonstrated a general workflow, called Comparative Profiling of Analog Targets (CPAT), to connect specific biological effects with defined chemical structures of drugs. Using resveratrol (RSV) as an example, we have synthesized and characterized a series of partial functional analogs of RSV. An analog (named RSVN) that specifically lost the inhibitory effect of RSV in cell migration was identified. The binding targets of RSVN and RSV was profiled and compared. Results: Comparative profiling of the RSV and RSVN binding targets showed that, unlike RSV, RSVN failed to target specific components involved in DNA methylation (histone deacetylase 1 [HDAC1] and DNA methyltransferase 3 alpha [DNMT3a]), suggesting that RSV suppresses cell migration through epigenetic regulation. Indeed, RSV treatment recruited HDAC1 and DNMT3a to the promoter region of the focal adhesion kinase (FAK), a key factor involved in cell adhesion, enhanced the promoter methylation, and thus attenuated the protein expression. The inhibitory effect of RSV in cell migration was diminished once FAK expression was restored. Thus, the mechanism of RSV in inhibiting cell migration could be largely accounted to epigenetically control of FAK expression. Conclusion: Our results showed that even though RSV exhibits promiscuous binding, its inhibitory effect on cell migration can be mechanistically understood. First, the presence of 4'-hydroxystilbene within the RSV structure is essential for this activity. Second, it inhibits cell migration through epigenetically based downregulation of FAK expression. Taken together, we propose that CPAT might also be adapted to delineate the specific function of other natural products (NPs) that exhibit binding promiscuity.
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Affiliation(s)
- Xiao Chen
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Wei Li
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Chengchao Xu
- Department of Biological Science, National University of Singapore, Singapore, 117543, Singapore
| | - Jie Wang
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Bo Zhu
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Qilai Huang
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Dianhua Chen
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Jianfei Sheng
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Yong Zou
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Yew Mun Lee
- Department of Biological Science, National University of Singapore, Singapore, 117543, Singapore
| | - Renxiang Tan
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Pingping Shen
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Yin Kwan Wong
- Department of Biological Science, National University of Singapore, Singapore, 117543, Singapore
| | - Qingsong Lin
- Department of Biological Science, National University of Singapore, Singapore, 117543, Singapore
| | - Jigang Wang
- Department of Biological Science, National University of Singapore, Singapore, 117543, Singapore
- Artemisinin Research Center, China Academy of Chinese Medical Sciences, Beijing, 100700, China
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Zichun Hua
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, 210023, China
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Abstract
Cancer is one of the top three causes of death in the United States. The treatment regimen for controlling cancer includes a number of approaches depending on the classification of the tumor. Treatment may include radiation, surgery, and cancer chemotherapy agents as well as other interventions. Natural products have been identified for centuries to contain active pharmacologic activity and have been a starting point for numerous drugs which are currently on the market. Resveratrol (RES) is a natural product generated in plants in response to environmental stress and growing conditions. RES has been recognized since 1997 to possess anticancer activity. This review discusses the dietary sources of RES and the relative amounts present in the various food sources. A few limited clinical studies have explored RES effects in patients with prostate and colorectal cancer and have suggested some beneficial results. Future studies need to expand the sample size for clinical examination of RES in order to provide a better profile for the potential benefit of RES in cancer patients. This review also describes the potential mechanisms of RES as an antioxidant and in alteration of cell signaling. Another aspect for the role of RES in cancer may be in the interaction with cancer chemotherapy agents. Cisplatin is a cancer chemotherapy agent used for the treatment of bladder, testicular, ovarian, and many other cancers. Cisplatin usage is associated with a high risk of nephrotoxicity. Experimental studies suggest that RES may reduce cisplatin renal toxicity. The proposed mechanisms of protection are reviewed.
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Doppalapudi S, Mahira S, Khan W. Development and in vitro assessment of psoralen and resveratrol co-loaded ultradeformable liposomes for the treatment of vitiligo. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 174:44-57. [PMID: 28753523 DOI: 10.1016/j.jphotobiol.2017.07.007] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Revised: 07/05/2017] [Accepted: 07/09/2017] [Indexed: 12/01/2022]
Abstract
Vitiligo is a de-pigmenting skin disorder characterized by white patches on skin due to partial or complete loss of melanocytes. Psoralen in combination with ultraviolet-A (PUVA) acts by stimulation of melanin content and tyrosinase activity in melanocytes. Resveratrol, a sirtuin activator and a potential anti-oxidant reduce oxidative stress which is one of the triggering factors for initiation of vitiligo. Despite their therapeutic activity, weak percutaneous permeability of psoralen and poor solubility of resveratrol hinders their effective topical administration. The aim of present study is to formulate ultradeformable liposomes (UDL) co-loaded with psoralen and resveratrol for evaluation of PUVA and anti-oxidant combination in vitiligo treatment. For this purpose, UDL composed of DC-Chol, cholesterol and sodium deoxy cholate were prepared for their co-delivery. Liposomal carriers were characterized and evaluated for their efficacy using B16F10 cell line. Free radical scavenging potential was also determined for these carriers by in vitro anti-oxidant assays. Optimal co-loaded UDL with particle size ranging from 120 to 130nm, zeta potential of +46.2mV, entrapment efficiency of 74.09% (psoralen) and 76.91% (resveratrol) were obtained. Compared to control, co-loaded UDL showed significant stimulation of melanin and tyrosinase activity with major contribution of psoralen. Further, co-loaded UDL also exhibited potential free radical scavenging activity where resveratrol played a key role. Hence, psoralen and resveratrol co-loaded UDL acts in vitiligo through dual mechanisms of action viz., stimulation of melanin and tyrosinase activity as well as by anti-oxidant activity. These findings indicate that psoralen and resveratrol co-loaded UDL has the promising therapeutic potential for the treatment of vitiligo.
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Affiliation(s)
- Sindhu Doppalapudi
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India
| | - Shaheen Mahira
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India
| | - Wahid Khan
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India.
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Wang G, Zhang M, Zhong Q, Lei Z, Wu H, Lai F. Protective effects of resveratrol against hypoxanthine-xanthine oxidase-induced toxicity on human erythrocytes. J Funct Foods 2016. [DOI: 10.1016/j.jff.2016.02.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
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