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Sextius P, Warrick E, Prévot-Guéguiniat A, Lereaux G, Boirre F, Baux L, Hassine SB, Qiu J, Huang X, Xu J, Grégoire S, Ito S, Wakamatsu K, Marat X. 2-Mercaptonicotinoyl glycine, a new potent melanogenesis inhibitor, exhibits a unique mode of action while preserving melanocyte integrity. Pigment Cell Melanoma Res 2024; 37:462-479. [PMID: 38560773 DOI: 10.1111/pcmr.13168] [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] [Received: 03/03/2023] [Revised: 02/29/2024] [Accepted: 03/18/2024] [Indexed: 04/04/2024]
Abstract
Research on new ingredients that can prevent excessive melanin production in the skin while considering efficacy, safety but also environmental impact is of great importance to significantly improve the profile of existing actives on the market and avoid undesirable side effects. Here, the discovery of an innovative technology for the management of hyperpigmentation is described. High-throughput screening tests on a wide chemical diversity of molecules and in silico predictive methodologies were essential to design an original thiopyridinone backbone and select 2-mercaptonicotinoyl glycine (2-MNG) as exhibiting the most favorable balance between the impact on water footprint, skin penetration potential and performance. The effectiveness of 2-MNG was confirmed by topical application on pigmented reconstructed epidermis and human skin explants. In addition, experiments have shown that unlike most melanogenesis inhibitors on the market, this molecule is not a tyrosinase inhibitor. 2-MNG binds to certain melanin precursors, preventing their integration into growing melanin and leading to inhibition of eumelanin and pheomelanin synthesis, without compromising the integrity of melanocytes.
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Affiliation(s)
| | | | | | | | | | - Ludwig Baux
- L'Oréal Research and Innovation, Aulnay, France
| | | | - Jie Qiu
- L'Oréal Research and Innovation, Shanghai, China
| | | | - Jinzhu Xu
- L'Oréal Research and Innovation, Aulnay, France
| | | | - Shosuke Ito
- Institute for Melanin Chemistry, Fujita Health University, Toyoake, Aichi, Japan
| | - Kazumasa Wakamatsu
- Institute for Melanin Chemistry, Fujita Health University, Toyoake, Aichi, Japan
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2
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Kursvietiene L, Kopustinskiene DM, Staneviciene I, Mongirdiene A, Kubová K, Masteikova R, Bernatoniene J. Anti-Cancer Properties of Resveratrol: A Focus on Its Impact on Mitochondrial Functions. Antioxidants (Basel) 2023; 12:2056. [PMID: 38136176 PMCID: PMC10740678 DOI: 10.3390/antiox12122056] [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: 10/31/2023] [Revised: 11/27/2023] [Accepted: 11/27/2023] [Indexed: 12/24/2023] Open
Abstract
Cancer is one of the most serious public health issues worldwide, demanding ongoing efforts to find novel therapeutic agents and approaches. Amid growing interest in the oncological applications of phytochemicals, particularly polyphenols, resveratrol-a naturally occurring polyphenolic stilbene derivative-has emerged as a candidate of interest. This review analyzes the pleiotropic anti-cancer effects of resveratrol, including its modulation of apoptotic pathways, cell cycle regulation, inflammation, angiogenesis, and metastasis, its interaction with cancer stem cells and the tumor microenvironment. The effects of resveratrol on mitochondrial functions, which are crucial to cancer development, are also discussed. Future research directions are identified, including the elucidation of specific molecular targets, to facilitate the clinical translation of resveratrol in cancer prevention and therapy.
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Affiliation(s)
- Lolita Kursvietiene
- Department of Biochemistry, Faculty of Medicine, Medical Academy, Lithuanian University of Health Sciences, Eiveniu str. 4, LT-50009 Kaunas, Lithuania (I.S.); (A.M.)
| | - Dalia M. Kopustinskiene
- Institute of Pharmaceutical Technologies, Faculty of Pharmacy, Medical Academy, Lithuanian University of Health Sciences, Sukileliu pr. 13, LT-50161 Kaunas, Lithuania;
| | - Inga Staneviciene
- Department of Biochemistry, Faculty of Medicine, Medical Academy, Lithuanian University of Health Sciences, Eiveniu str. 4, LT-50009 Kaunas, Lithuania (I.S.); (A.M.)
| | - Ausra Mongirdiene
- Department of Biochemistry, Faculty of Medicine, Medical Academy, Lithuanian University of Health Sciences, Eiveniu str. 4, LT-50009 Kaunas, Lithuania (I.S.); (A.M.)
| | - Kateřina Kubová
- Department of Pharmaceutical Technology, Masaryk University, 60177 Brno, Czech Republic; (K.K.); (R.M.)
| | - Ruta Masteikova
- Department of Pharmaceutical Technology, Masaryk University, 60177 Brno, Czech Republic; (K.K.); (R.M.)
| | - Jurga Bernatoniene
- Institute of Pharmaceutical Technologies, Faculty of Pharmacy, Medical Academy, Lithuanian University of Health Sciences, Sukileliu pr. 13, LT-50161 Kaunas, Lithuania;
- Department of Drug Technology and Social Pharmacy, Faculty of Pharmacy, Medical Academy, Lithuanian University of Health Sciences, Sukileliu pr. 13, LT-50161 Kaunas, Lithuania
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3
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Thirumal D, Sindhu RK, Goyal S, Sehgal A, Kumar A, Babu MA, Kumar P. Pathology and Treatment of Psoriasis Using Nanoformulations. Biomedicines 2023; 11:1589. [PMID: 37371684 DOI: 10.3390/biomedicines11061589] [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: 04/01/2023] [Revised: 05/08/2023] [Accepted: 05/23/2023] [Indexed: 06/29/2023] Open
Abstract
Psoriasis (PSO) is an inflammatory skin condition that causes a variety of diseases and significantly decreases the life characteristics of patients, and substantially diminishes patients' quality of life. PSO usually impairs the skin and is linked to various disorders. Inflammation pathology does not only damage psoriatic skin; it shows how PSO impinges other body parts. Many variables interact with one another and can impact the etiology of psoriasis directly or indirectly. PSO has an effect on approximately 2% of the world's population, and significant progress has been made in comprehending and treating the alternative PSO by novel drug delivery systems. Topical, systemic, biological, biomaterials, and phototherapy are some of the useful therapies for PSO. Nonetheless, topical treatments remain the gold standard for treating moderate PSO. The applicability of several nanocarrier systems, such as lipid nanoparticles, metallic nanoparticles, and certain phytocompounds, has been briefly explored. The present review focuses mainly on traditional therapeutic strategies as well as on breakthroughs in nanoformulations and drug delivery methods for several anti-psoriatic drugs.
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Affiliation(s)
- Divya Thirumal
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India
| | - Rakesh K Sindhu
- School of Pharmacy, Sharda University, Greater Noida 201310, Uttar Pradesh, India
| | - Shuchi Goyal
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India
| | - Aayush Sehgal
- Department of Pharmacology, G.H.G. Khalsa College of Pharmacy, Gurusar Sadhar, Ludhiana 141014, Punjab, India
| | - Ashok Kumar
- Department of Cardiology, Sadbhwana Hospital, Fatehabad 125050, Haryana, India
| | | | - Pradeep Kumar
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, Faculty of Health Sciences, School of Therapeutic Sciences, University of the Witwatersrand, Johannesburg 2193, South Africa
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4
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González-Acedo A, Ramos-Torrecillas J, Illescas-Montes R, Costela-Ruiz VJ, Ruiz C, Melguizo-Rodríguez L, García-Martínez O. The Benefits of Olive Oil for Skin Health: Study on the Effect of Hydroxytyrosol, Tyrosol, and Oleocanthal on Human Fibroblasts. Nutrients 2023; 15:2077. [PMID: 37432217 DOI: 10.3390/nu15092077] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/20/2023] [Accepted: 04/21/2023] [Indexed: 07/12/2023] Open
Abstract
Fibroblasts contribute to maintaining tissue integrity and homeostasis and are a key cell population in wound healing. This cell population can be stimulated by some bioactive compounds such as extra virgin olive oil (EVOO) polyphenols. The aim of this study was to determine the effects of hydroxytyrosol (htyr), tyrosol (tyr), and oleocanthal (ole) phenolic compounds present in EVOO on the proliferation, migration, cell cycle, and antigenic profile of cultured human fibroblasts. CCD-1064Sk human fibroblast cells were treated for 24 h with each polyphenol at doses ranging 10-5 to 10-9 M. Cell proliferation was evaluated using the MTT spectrophotometric technique, migration capacity by culture insert assay, and cell cycle and antigenic profile with flow cytometry. Cell proliferation was significantly increased by treatment with all compounds. The highest increases followed treatments with htyr or tyr at doses of 10-5 or 10-6 M and with ole at 10-6 and 10-7 M, and these compounds and doses were used for assays of antigenic profile, cell cycle, and migration. During the first few hours after treatment, increased fibronectin and α-actin expressions and greater cell migration were observed, with no cell cycle changes. In conclusion, these in vitro results suggest that phenolic compounds in EVOO might contribute to wound healing through action on fibroblasts related to tissue regeneration.
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Affiliation(s)
- Anabel González-Acedo
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, C/Santander, 1, 52005 Melilla, Spain
| | - Javier Ramos-Torrecillas
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, Avda. Ilustración 60, 18016 Granada, Spain
- Institute of Biosanitary Research, ibs.Granada, C/Doctor Azpitarte 4, 4a Planta, 18012 Granada, Spain
| | - Rebeca Illescas-Montes
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, Avda. Ilustración 60, 18016 Granada, Spain
- Institute of Biosanitary Research, ibs.Granada, C/Doctor Azpitarte 4, 4a Planta, 18012 Granada, Spain
| | - Víctor J Costela-Ruiz
- Institute of Biosanitary Research, ibs.Granada, C/Doctor Azpitarte 4, 4a Planta, 18012 Granada, Spain
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, C/Cortadura del Valle, s.n., 51001 Ceuta, Spain
| | - Concepción Ruiz
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, Avda. Ilustración 60, 18016 Granada, Spain
- Institute of Biosanitary Research, ibs.Granada, C/Doctor Azpitarte 4, 4a Planta, 18012 Granada, Spain
- Institute of Neuroscience, Centro de Investigación Biomédica (CIBM), University of Granada, Parque de Tecnológico de la Salud (PTS) Avda. del Conocimiento S/N, Armilla, 18016 Granada, Spain
| | - Lucía Melguizo-Rodríguez
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, Avda. Ilustración 60, 18016 Granada, Spain
- Institute of Biosanitary Research, ibs.Granada, C/Doctor Azpitarte 4, 4a Planta, 18012 Granada, Spain
| | - Olga García-Martínez
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, Avda. Ilustración 60, 18016 Granada, Spain
- Institute of Biosanitary Research, ibs.Granada, C/Doctor Azpitarte 4, 4a Planta, 18012 Granada, Spain
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5
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Liu HM, Cheng MY, Xun MH, Zhao ZW, Zhang Y, Tang W, Cheng J, Ni J, Wang W. Possible Mechanisms of Oxidative Stress-Induced Skin Cellular Senescence, Inflammation, and Cancer and the Therapeutic Potential of Plant Polyphenols. Int J Mol Sci 2023; 24:ijms24043755. [PMID: 36835162 PMCID: PMC9962998 DOI: 10.3390/ijms24043755] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/09/2023] [Accepted: 02/10/2023] [Indexed: 02/16/2023] Open
Abstract
As the greatest defense organ of the body, the skin is exposed to endogenous and external stressors that produce reactive oxygen species (ROS). When the antioxidant system of the body fails to eliminate ROS, oxidative stress is initiated, which results in skin cellular senescence, inflammation, and cancer. Two main possible mechanisms underlie oxidative stress-induced skin cellular senescence, inflammation, and cancer. One mechanism is that ROS directly degrade biological macromolecules, including proteins, DNA, and lipids, that are essential for cell metabolism, survival, and genetics. Another one is that ROS mediate signaling pathways, such as MAPK, JAK/STAT, PI3K/AKT/mTOR, NF-κB, Nrf2, and SIRT1/FOXO, affecting cytokine release and enzyme expression. As natural antioxidants, plant polyphenols are safe and exhibit a therapeutic potential. We here discuss in detail the therapeutic potential of selected polyphenolic compounds and outline relevant molecular targets. Polyphenols selected here for study according to their structural classification include curcumin, catechins, resveratrol, quercetin, ellagic acid, and procyanidins. Finally, the latest delivery of plant polyphenols to the skin (taking curcumin as an example) and the current status of clinical research are summarized, providing a theoretical foundation for future clinical research and the generation of new pharmaceuticals and cosmetics.
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Affiliation(s)
- Hui-Min Liu
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai 201418, China
- Engineering Research Center of Perfume & Aroma and Cosmetics, Ministry of Education, Shanghai 201418, China
| | - Ming-Yan Cheng
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai 201418, China
| | - Meng-Han Xun
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai 201418, China
| | - Zhi-Wei Zhao
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai 201418, China
| | - Yun Zhang
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai 201418, China
| | - Wei Tang
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai 201418, China
| | - Jun Cheng
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai 201418, China
| | - Jia Ni
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai 201418, China
| | - Wei Wang
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai 201418, China
- Engineering Research Center of Perfume & Aroma and Cosmetics, Ministry of Education, Shanghai 201418, China
- Correspondence: ; Tel.: +86-18918830550
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6
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Jiang Y, Wang D, Zhang C, Jiao Y, Pu Y, Cheng R, Li C, Chen Y. Nicotinamide mononucleotide restores oxidative stress-related apoptosis of oocyte exposed to benzyl butyl phthalate in mice. Cell Prolif 2023:e13419. [PMID: 36756972 PMCID: PMC10392047 DOI: 10.1111/cpr.13419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/19/2023] [Accepted: 01/27/2023] [Indexed: 02/10/2023] Open
Abstract
Benzyl butyl phthalate (BBP) is a chemical softener and plasticizer commonly used in toys, food packaging, wallpaper, detergents and shampoos. The estrogenic actions of BBP have detrimental effects on humans and animals. In this study, the specific influence of BBP on mouse oocyte maturation was investigated using in vivo and in vitro models. The experiment first verified that BBP exposure significantly affected the rate of oocyte exclusion of the first polar body, although it did not affect germinal vesicle breakdown (GVBD) through in vitro oocyte culture system. Results of in vitro fertilization show that BBP exposure affects blastocyst rate. Subsequently, the results obtained by immunofluorescence staining technology showed that oocyte spindle organization, chromosomal arrangement and the distribution of cortical actin were disrupted by BBP exposure, and led to the failure of oocyte meiotic maturation and the subsequent early embryo development. Singe-cell transcriptome analysis found that BBP exposure altered the expression levels of 588 genes, most associated with mitochondria-related oxidative stress. Further analysis demonstrated that the detrimental effects of BBP involved the disruption of mitochondrial function and oxidative stress-induced early apoptosis. Nicotinamide mononucleotide (NMN) supplementation reduced the adverse effects of BBP. Collectively, these findings revealed a mechanism of BBP-induced toxicity on female reproduction and showed that NMN provides an effective treatment for BBP actions.
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Affiliation(s)
- Yi Jiang
- Outpatient & Emergency Management Department, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Emergency Management Department, School of Health Policy & Management, Nanjing Medical University, Nanjing, China
| | - Di Wang
- Outpatient & Emergency Management Department, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Emergency Management Department, School of Health Policy & Management, Nanjing Medical University, Nanjing, China
| | - Cheng Zhang
- Outpatient & Emergency Management Department, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Emergency Management Department, School of Health Policy & Management, Nanjing Medical University, Nanjing, China
| | - Yangyang Jiao
- Outpatient & Emergency Management Department, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Emergency Management Department, School of Health Policy & Management, Nanjing Medical University, Nanjing, China
| | - Yanan Pu
- Outpatient & Emergency Management Department, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Emergency Management Department, School of Health Policy & Management, Nanjing Medical University, Nanjing, China
| | - Rong Cheng
- Outpatient & Emergency Management Department, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Emergency Management Department, School of Health Policy & Management, Nanjing Medical University, Nanjing, China
| | - Chunyu Li
- Outpatient & Emergency Management Department, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Emergency Management Department, School of Health Policy & Management, Nanjing Medical University, Nanjing, China
| | - Yan Chen
- Outpatient & Emergency Management Department, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Emergency Management Department, School of Health Policy & Management, Nanjing Medical University, Nanjing, China.,Research Institute of Health Jiangsu, Nanjing Medical University, Nanjing, China
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7
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Johnsen PR, Pinna C, Mattio L, Strube MB, Di Nunzio M, Iametti S, Dallavalle S, Pinto A, Frøkiær H. Investigation of the Effects of Monomeric and Dimeric Stilbenoids on Bacteria-Induced Cytokines and LPS-Induced ROS Formation in Bone Marrow-Derived Dendritic Cells. Int J Mol Sci 2023; 24:ijms24032731. [PMID: 36769058 PMCID: PMC9917081 DOI: 10.3390/ijms24032731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/20/2023] [Accepted: 01/30/2023] [Indexed: 02/04/2023] Open
Abstract
Stilbenoids are anti-inflammatory and antioxidant compounds, with resveratrol being the most investigated molecule in this class. However, the actions of most other stilbenoids are much less studied. This study compares five monomeric (resveratrol, piceatannol, pterostilbene, pinostilbene, and trimethoxy-resveratrol) and two dimeric (dehydro-δ-viniferin and trans-δ-viniferin) stilbenoids for their capability to modulate the production of bacteria-induced cytokines (IL-12, IL-10, and TNF-α), as well as lipopolysaccharide (LPS)-induced reactive oxygen species (ROS), in murine bone marrow-derived dendritic cells. All monomeric species showed dose-dependent inhibition of E. coli-induced IL-12 and TNF-α, whereas only resveratrol and piceatannol inhibited IL-10 production. All monomers, except trimethoxy-resveratrol, inhibited L. acidophilus-induced IL-12, IL-10, and TNF-α production. The dimer dehydro-δ-viniferin remarkably enhanced L. acidophilus-induced IL-12 production. The contrasting effect of resveratrol and dehydro-δ-viniferin on IL-12 production was due, at least in part, to a divergent inactivation of the mitogen-activated protein kinases by the two stilbenoids. Despite having moderate to high total antioxidant activity, dehydro-δ-viniferin was a weak inhibitor of LPS-induced ROS formation. Conversely, resveratrol and piceatannol potently inhibited LPS-induced ROS formation. Methylated monomers showed a decreased antioxidant capacity compared to resveratrol, also depending on the methylation site. In summary, the immune-modulating effect of the stilbenoids depends on both specific structural features of tested compounds and the stimulating bacteria.
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Affiliation(s)
- Peter Riber Johnsen
- Department of Veterinary and Animal Sciences, University of Copenhagen, Ridebanevej 9, 1871 Frederiksberg, Denmark
| | - Cecilia Pinna
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Celoria 2, 20133 Milan, Italy
| | - Luce Mattio
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Celoria 2, 20133 Milan, Italy
| | - Mathilde Bech Strube
- Department of Veterinary and Animal Sciences, University of Copenhagen, Ridebanevej 9, 1871 Frederiksberg, Denmark
| | - Mattia Di Nunzio
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Celoria 2, 20133 Milan, Italy
- Correspondence: ; Tel.: +39-02-5031-6819
| | - Stefania Iametti
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Celoria 2, 20133 Milan, Italy
| | - Sabrina Dallavalle
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Celoria 2, 20133 Milan, Italy
| | - Andrea Pinto
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Celoria 2, 20133 Milan, Italy
| | - Hanne Frøkiær
- Department of Veterinary and Animal Sciences, University of Copenhagen, Ridebanevej 9, 1871 Frederiksberg, Denmark
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Frantz MC, Rozot R, Marrot L. NRF2 in dermo-cosmetic: From scientific knowledge to skin care products. Biofactors 2023; 49:32-61. [PMID: 36258295 DOI: 10.1002/biof.1907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 09/26/2022] [Indexed: 12/24/2022]
Abstract
The skin is the organ that is most susceptible to the impact of the exposome. Located at the interface with the external environment, it protects internal organs through the barrier function of the epidermis. It must adapt to the consequences of the harmful effects of solar radiation, the various chemical constituents of atmospheric pollution, and wounds associated with mechanical damage: oxidation, cytotoxicity, inflammation, and so forth. In this biological context, a capacity to adapt to the various stresses caused by the exposome is essential; otherwise, more or less serious conditions may develop accelerated aging, pigmentation disorders, atopy, psoriasis, and skin cancers. Nrf2-controlled pathways play a key role at this level. Nrf2 is a transcription factor that controls genes involved in oxidative stress protection and detoxification of chemicals. Its involvement in UV protection, reduction of inflammation in processes associated with healing, epidermal differentiation for barrier function, and hair regrowth, has been demonstrated. The modulation of Nrf2 in the skin may therefore constitute a skin protection or care strategy for certain dermatological stresses and disorders initiated or aggravated by the exposome. Nrf2 inducers can act through different modes of action. Keap1-dependent mechanisms include modification of the cysteine residues of Keap1 by (pro)electrophiles or prooxidants, and disruption of the Keap1-Nrf2 complex. Indirect mechanisms are suggested for numerous phytochemicals, acting on upstream pathways, or via hormesis. While developing novel and safe Nrf2 modulators for skin care may be challenging, new avenues can arise from natural compounds-based molecular modeling and emerging concepts such as epigenetic regulation.
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Affiliation(s)
| | - Roger Rozot
- Advanced Research, L'OREAL Research & Innovation, Aulnay-sous-Bois, France
| | - Laurent Marrot
- Advanced Research, L'OREAL Research & Innovation, Aulnay-sous-Bois, France
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9
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Zhu W, Dong Y, Xu P, Pan Q, Jia K, Jin P, Zhou M, Xu Y, Guo R, Cheng B. A composite hydrogel containing resveratrol-laden nanoparticles and platelet-derived extracellular vesicles promotes wound healing in diabetic mice. Acta Biomater 2022; 154:212-230. [PMID: 36309190 DOI: 10.1016/j.actbio.2022.10.038] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 10/17/2022] [Accepted: 10/18/2022] [Indexed: 01/24/2023]
Abstract
Diabetic wounds are difficult to heal because of persistent inflammation and limited angiogenesis. Resveratrol (RES) is an anti-inflammatory and antioxidant agent. Platelet-derived extracellular vesicles (PDEVs) are rich in growth factors and cytokines, which promote proliferation and angiogenesis. However, single drug treatment has limited efficacy and delivery efficiency. Bioengineering can improve the limited effect of single drugs by combining drugs and materials to obtain complementary or cooperative bioengineered drugs. In this study, gelatin methacrylate (GelMA) and silk fibroin glycidyl methacrylate (SFMA) were used to synthesize GelMA/SFMA composite hydrogels with suitable mechanical properties, swelling ratio and biodegradability. The composite hydrogel was used as a wound dressing for sustained drug release. RES was loaded into mesoporous silica nanoparticles (MSNs) to synthesize MSN-RES to enhance the release dynamic, and MSN-RES and PDEVs were combined with the composite hydrogels to form GelMA/SFMA/MSN-RES/PDEVs hydrogels. The GelMA/SFMA/MSN-RES/PDEVs had low cytotoxicity and good biocompatibility, inhibited macrophage iNOS expression, and promoted the tube formation by human umbilical vein endothelial cells (HUVECs) in vitro. In a diabetic mouse wound model, the GelMA/SFMA/MSN-RES/PDEVs hydrogels decreased the expression of pro-inflammatory factors TNF-α and iNOS, increased the expression of anti-inflammatory factors TGF-β1 and Arg-1, promoted angiogenesis, and accelerated wound healing. Interestingly, the GelMA/SFMA/MSN-RES/PDEVs hydrogels promoted the expression of extracellular purinergic signaling pathway-related CD73 and adenosine 2A receptor (A2A-R). Therefore, the GelMA/SFMA/MSN-RES/PDEVs hydrogels could be used as wound dressings to regulate the inflammation and angiogenesis of diabetic wounds and accelerate wound healing. STATEMENT OF SIGNIFICANCE: Drugs often fail to function because of a continuous oxidative stress microenvironment and inflammation. Here, a GelMA/SFMA hydrogel, with enhanced mechanical properties and liquid absorption ability, is proposed for sustained release of drugs. In addition to carrying platelet-derived extracellular vesicles (PDEVs) with pro-angiogenic effects, the hydrogels were also loaded with nanoparticle-encapsulated resveratrol with anti-inflammatory activities, aiming to reduce inflammation and oxidative stress in the wound microenvironment, such that the wound could receive proliferative repair signals to achieve sequential treatment and heal quickly. We also experimentally predicted that the regulatory mechanism of the GelMA/SFMA/MSN-RES/PDEVs in wound healing might be related to the extracellular purinergic signaling pathway.
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Affiliation(s)
- Weidong Zhu
- The First School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China; Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510120, China
| | - Yunqing Dong
- The First School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China; Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510120, China
| | - Pengcheng Xu
- The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, China
| | - Qiao Pan
- The First School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China; Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510120, China
| | - Keyao Jia
- The First School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China; Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510120, China
| | - Panshi Jin
- The First School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China; Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510120, China
| | - Mou Zhou
- Department of Blood Transfusion, General Hospital of Southern Theater Command, PLA, Guangzhou 510515, China
| | - Yubing Xu
- Department of Blood Transfusion, General Hospital of Southern Theater Command, PLA, Guangzhou 510515, China
| | - Rui Guo
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Guangdong Provincial Engineering and Technological Research Center for Drug Carrier Development, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China.
| | - Biao Cheng
- The First School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China; Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510120, China.
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10
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Gherardi G, Corbioli G, Ruzza F, Rizzuto R. CoQ 10 and Resveratrol Effects to Ameliorate Aged-Related Mitochondrial Dysfunctions. Nutrients 2022; 14:nu14204326. [PMID: 36297010 PMCID: PMC9611139 DOI: 10.3390/nu14204326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/12/2022] [Accepted: 10/13/2022] [Indexed: 11/16/2022] Open
Abstract
Mitochondria participate in the maintenance of cellular homeostasis. Firstly, mitochondria regulate energy metabolism through oxidative phosphorylation. In addition, they are involved in cell fate decisions by activating the apoptotic intrinsic pathway. Finally, they work as intracellular signaling hubs as a result of their tight regulation of ion and metabolite concentrations and other critical signaling molecules such as ROS. Aging is a multifactorial process triggered by impairments in different cellular components. Among the various molecular pathways involved, mitochondria are key regulators of longevity. Indeed, mitochondrial deterioration is a critical signature of the aging process. In this scenario, we will focus specifically on the age-related decrease in CoQ levels, an essential component of the electron transport chain (ETC) and an antioxidant, and how CoQ supplementation could benefit the aging process. Generally, any treatment that improves and sustains mitochondrial functionality is a good candidate to counteract age-related mitochondrial dysfunctions. In recent years, heightened attention has been given to natural compounds that modulate mitochondrial function. One of the most famous is resveratrol due to its ability to increase mitochondrial biogenesis and work as an antioxidant agent. This review will discuss recent clinical trials and meta-analyses based on resveratrol and CoQ supplementation, focusing on how these compounds could improve mitochondrial functionality during aging.
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Affiliation(s)
- Gaia Gherardi
- Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy
- Correspondence: (G.G.); (R.R.)
| | - Giovanni Corbioli
- Solgar Italia Multinutrient Spa, Via Prima Strada 23/3, 35129 Padova, Italy
| | - Filippo Ruzza
- Solgar Italia Multinutrient Spa, Via Prima Strada 23/3, 35129 Padova, Italy
| | - Rosario Rizzuto
- Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy
- Correspondence: (G.G.); (R.R.)
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11
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Xue P, Wang H, Yang L, Jiang Z, Li H, Liu Q, Zhang Q, Andersen ME, Crabbe MJC, Hao L, Qu W. NRF2-ARE signaling is responsive to haloacetonitrile-induced oxidative stress in human keratinocytes. Toxicol Appl Pharmacol 2022; 450:116163. [PMID: 35842135 DOI: 10.1016/j.taap.2022.116163] [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: 05/31/2022] [Revised: 07/07/2022] [Accepted: 07/09/2022] [Indexed: 11/30/2022]
Abstract
Humans are exposed to disinfection by-products through oral, inhalation, and dermal routes, during bathing and swimming, potentially causing skin lesions, asthma, and bladder cancer. Nuclear factor E2-related factor 2 (NRF2) is a master regulator of the adaptive antioxidant response via the antioxidant reaction elements (ARE) orchestrating the transcription of a large group of antioxidant and detoxification genes. Here we used an immortalized human keratinocyte model HaCaT cells to investigate NRF2-ARE as a responder and protector in the acute cytotoxicity of seven haloacetonitriles (HANs), including chloroacetonitrile (CAN), bromoacetonitrile (BAN), iodoacetonitrile (IAN), bromochloroacetonitrile (BCAN), dichloroacetonitrile (DCAN), dibromoacetonitrile (DBAN), and trichloroacetonitrile (TCAN) found in drinking water and swimming pools. The rank order of cytotoxicity among the HANs tested was IAN ≈ BAN ˃ DBAN ˃ BCAN ˃ CAN ˃ TCAN ˃ DCAN based on their LC50. The HANs induced intracellular reactive oxygen species accumulation and activated cellular antioxidant responses in concentration- and time-dependent fashions, showing elevated NRF2 protein levels and ARE activity, induction of antioxidant genes, and increased glutathione levels. Additionally, knockdown of NRF2 by lentiviral shRNAs sensitized the HaCaT cells to HANs-induced cytotoxicity, emphasizing a protective role of NRF2 against the cytotoxicity of HANs. These results indicate that HANs cause oxidative stress and activate NRF2-ARE-mediated antioxidant response, which in turn protects the cells from HANs-induced cytotoxicity, highlighting that NRF2-ARE activity could be a sensitive indicator to identify and characterize the oxidative stress induced by HANs and other environmental pollutants.
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Affiliation(s)
- Peng Xue
- Key Laboratory of the Public Health Safety, Ministry of Education, Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China
| | - Huihui Wang
- Program of Environmental Toxicology, School of Public Health, China Medical University, Shenyang 110122, China
| | - Lili Yang
- Key Laboratory of the Public Health Safety, Ministry of Education, Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China
| | - Zhiqiang Jiang
- Key Laboratory of the Public Health Safety, Ministry of Education, Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China
| | - Hongliang Li
- Pudong New Area Center for Diseases Control & Prevention, Pudong New Area, Shanghai 200120, China
| | - Qinxin Liu
- Key Laboratory of the Public Health Safety, Ministry of Education, Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China
| | - Qiang Zhang
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, GA 30322, USA
| | | | - M James C Crabbe
- Wolfson College, Oxford University, Oxford OX2 6UD, UK; Institute of Biomedical and Environmental Science & Technology, University of Bedfordshire, Luton LU1 3JU, UK
| | - Lipeng Hao
- Pudong New Area Center for Diseases Control & Prevention, Pudong New Area, Shanghai 200120, China
| | - Weidong Qu
- Key Laboratory of the Public Health Safety, Ministry of Education, Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China.
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12
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Fitoussi R, Faure MO, Beauchef G, Achard S. Human skin responses to environmental pollutants: A review of current scientific models. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 306:119316. [PMID: 35469928 DOI: 10.1016/j.envpol.2022.119316] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Revised: 04/11/2022] [Accepted: 04/14/2022] [Indexed: 06/14/2023]
Abstract
Whatever the exposure route, chemical, physical and biological pollutants modify the whole organism response, leading to nerve, cardiac, respiratory, reproductive, and skin system pathologies. Skin acts as a barrier for preventing pollutant modifications. This review aims to present the available scientific models, which help investigate the impact of pollution on the skin. The research question was "Which experimental models illustrate the impact of pollution on the skin in humans?" The review covered a period of 10 years following a PECO statement on in vitro, ex vivo, in vivo and in silico models. Of 582 retrieved articles, 118 articles were eligible. In oral and inhalation routes, dermal exposure had an important impact at both local and systemic levels. Healthy skin models included primary cells, cell lines, co-cultures, reconstructed human epidermis, and skin explants. In silico models estimated skin exposure and permeability. All pollutants affected the skin by altering elasticity, thickness, the structure of epidermal barrier strength, and dermal extracellular integrity. Some specific models concerned wound healing or the skin aging process. Underlying mechanisms were an exacerbated inflammatory skin reaction with the modulation of several cytokines and oxidative stress responses, ending with apoptosis. Pathological skin models revealed the consequences of environmental pollutants on psoriasis, atopic dermatitis, and tumour development. Finally, scientific models were used for evaluating the safety and efficacy of potential skin formulations in preventing the skin aging process or skin irritation after repeated contact. The review gives an overview of scientific skin models used to assess the effects of pollutants. Chemical and physical pollutants were mainly represented while biological contaminants were little studied. In future developments, cell hypoxia and microbiota models may be considered as more representative of clinical situations. Models considering humidity and temperature variations may reflect the impact of these changes.
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Affiliation(s)
| | - Marie-Odile Faure
- Scientific Consulting For You, 266 avenue Daumesnil, 75012, PARIS, France
| | | | - Sophie Achard
- HERA Team (Health Environmental Risk Assessment), INSERM UMR1153, CRESS-INRAE, Université Paris Cité, Faculté de Pharmacie, 4 avenue de l'Observatoire, 75270 CEDEX 06, PARIS, France.
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13
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Xing Gao Z, Long Cui Z, Ran Zhou M, Fu Y, Liu F, Zhang L, Ma S, Yan Chen C. The new mitochondrial uncoupler BAM15 induces ROS production for treatment of acute myeloid leukemia. Biochem Pharmacol 2022; 198:114948. [PMID: 35192847 DOI: 10.1016/j.bcp.2022.114948] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/15/2022] [Accepted: 02/03/2022] [Indexed: 12/12/2022]
Abstract
Acute myeloid leukemia (AML) is a malignant proliferative disease of myeloid hematopoietic origin and cannot be treated appropriately at present. This is due to the fact that leukemia cells are not sensitive to some of the traditional chemotherapy drugs. Or some chemotherapeutic drugs are too toxic to normal cells, affecting their wide clinical application. In this study, we identified BAM15 as a novel mitochondrial uncoupling agent by screening a library of small molecule compounds that inhibit AML cell activity. BAM15 significantly inhibited proliferation and promoted apoptosis in AML cells while at the same time being less cytotoxic to normal cells. The mechanism may be related to the disturbance of the ROS production balance. In vivo investigations revealed that BAM15 effectively suppressed AML progression and prolonged the survival time of mice. In addition, we found that BAM15 can be used in combination with cytarabine to enhance its anti-cancer activity and inhibit the activity of primary cells in AML. Therefore, we identified BAM15 as a potential drug candidate for the treatment of AML.
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Affiliation(s)
- Zhen Xing Gao
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Ze Long Cui
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Min Ran Zhou
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yue Fu
- School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Fen Liu
- Department of Microbiology/Key Laboratory for Experimental Teratology of the Chinese Ministry of Education, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Lu Zhang
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Sai Ma
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.
| | - Chun Yan Chen
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.
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Xing CH, Wang Y, Liu JC, Pan ZN, Zhang HL, Sun SC, Zhang Y. Melatonin reverses mitochondria dysfunction and oxidative stress-induced apoptosis of Sudan I-exposed mouse oocytes. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 225:112783. [PMID: 34544023 DOI: 10.1016/j.ecoenv.2021.112783] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 09/07/2021] [Accepted: 09/12/2021] [Indexed: 06/13/2023]
Abstract
Sudan I is one of the industry dyes and widely used in cosmetics, wax agent, solvent and textile. Sudan I has multiple toxicity such as carcinogenicity, mutagenicity, genotoxicity and oxidative damage. However, Sudan I has been illegally used as colorant in food products, triggering worldwide attention about food safety. Nevertheless, the toxicity of Sudan I on reproduction, particularly on oocyte maturation is still unclear. In the present study, using mouse in vivo models, we report the toxicity effects of Sudan I on mouse oocyte. The results reflect that Sudan I exposure disrupts spindle organization and chromosomes alignment as well as cortical actin distribution, thus leading to the failure of polar body extrusion. Based on the transcriptome results, it is found that the exposure of Sudan I leads to the change in expression of 764 genes. Moreover, it's further reflected that the damaging effects of Sudan I are mediated by the destruction of mitochondrial functions, which induces the accumulated ROS to stimulate oxidative stress-induced apoptosis. As an endogenous hormone, melatonin within the ovarian follicle plays function on improving oocyte quality and female reproduction by efficiently suppressing oxidative stress. Moreover, melatonin supplementation also improves oocyte quality and increases fertilization rate during in vitro culture. Consistent with these, we find that in vivo supplementation of melatonin efficaciously suppresses mitochondrial dysfunction and the accompanying apoptosis, thus reverses oocyte meiotic deteriorations. Collectively, our results prove the reproduction toxicity of Sudan I for the exposure of Sudan I reduces the oocyte quality, and demonstrate the protective effects of melatonin against Sudan I-induced meiotic deteriorations.
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Affiliation(s)
- Chun-Hua Xing
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yue Wang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jing-Cai Liu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Zhen-Nan Pan
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Hao-Lin Zhang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Shao-Chen Sun
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yu Zhang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
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Resveratrol mediates its anti-cancer effects by Nrf2 signaling pathway activation. Cancer Cell Int 2021; 21:579. [PMID: 34717625 PMCID: PMC8557610 DOI: 10.1186/s12935-021-02280-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 10/18/2021] [Indexed: 12/30/2022] Open
Abstract
Aim and background Cancer represents a major health problem with an exceedingly high toll on the patients, their families, and the economy. Cancers are also associated with high mortality rates. Existing therapies for cancer are generally ineffective with many side effects. Method A search was conducted on Pubmed, Google Scholar, Scopus, and web of science databases, and articles related to anticancer effects of resveratrol were collected. Results Resveratrol is a natural compound that can activate the Nrf2 transcription factor. Nfr2 translocates to the nucleus and induces antioxidant gene expression. In different cell lines, resveratrol can increase apoptosis and inhibit the proliferation of cancer cells. Conclusion We found that resveratrol shows efficacy for the treatment of cancer, but due to high controversy on the Nrf2 signaling pathway and mechanisms of resveratrol action, additional studies should be conducted to better characterize its mode-of-action in cancer. Graphical Abstract ![]()
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Resveratrol Hinders Postovulatory Aging by Modulating Oxidative Stress in Porcine Oocytes. Molecules 2021; 26:molecules26216346. [PMID: 34770755 PMCID: PMC8588440 DOI: 10.3390/molecules26216346] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 10/17/2021] [Accepted: 10/18/2021] [Indexed: 12/13/2022] Open
Abstract
Postovulatory aging of the mammalian oocytes causes deterioration of oocytes through several factors including oxidative stress. Keeping that in mind, we aimed to investigate the potential of a well-known antioxidant, resveratrol (RV), to evaluate the adverse effects of postovulatory aging in porcine oocytes. After in vitro maturation (IVM), a group of (25–30) oocytes (in three replicates) were exposed to 0, 1, 2, and 4 μmol/L of RV, respectively. The results revealed that the first polar body (PB1) extrusion rate of the oocytes significantly increased when the RV concentration reached up to 2 μmol/L (p < 0.05). Considering optimum RV concentration of 2 μmol/L, the potential of RV was evaluated in oocytes aged for 24 and 48 h. We used fluorescence microscopy to detect the relative level of reactive oxygen species (ROS), while GHS contents were measured through the enzymatic method. Our results revealed that aged groups (24 h and 48 h) treated with RV (2 μmol/L) showed higher (p < 0.05) ROS fluorescence intensity than the control group, but lower (p < 0.05) than untreated aged groups. The GSH content in untreated aged groups (24 h and 48 h) was lower (p < 0.05) than RV-treated groups, but both groups showed higher levels than the control. Similarly, the relative expression of the genes involved in antioxidant activity (CAT, GPXGSH-Px, and SOD1) in RV-treated groups was lower (p < 0.05) as compared to the control group but higher than that of untreated aged groups. Moreover, the relative mRNA expression of caspase-3 and Bax in RV-treated groups was higher (p < 0.05) than the control group but lower than untreated groups. Furthermore, the expression of Bcl-2 in the RV-treated group was significantly lower than control but higher than untreated aged groups. Taken together, our findings revealed that the RV can increase the expression of antioxidant genes by decreasing the level of ROS, and its potent antiapoptotic effects resisted against the decline in mitochondrial membrane potential in aged oocytes.
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Prospective Pharmacological Potential of Resveratrol in Delaying Kidney Aging. Int J Mol Sci 2021; 22:ijms22158258. [PMID: 34361023 PMCID: PMC8348580 DOI: 10.3390/ijms22158258] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/26/2021] [Accepted: 07/28/2021] [Indexed: 01/22/2023] Open
Abstract
Aging is an unavoidable part of life. The more aged we become, the more susceptible we become to various complications and damages to the vital organs, including the kidneys. The existing drugs for kidney diseases are mostly of synthetic origins; thus, natural compounds with minimal side-effects have attracted growing interest from the scientific community and pharmaceutical companies. A literature search was carried out to collect published research information on the effects of resveratrol on kidney aging. Recently, resveratrol has emerged as a potential anti-aging agent. This versatile polyphenol exerts its anti-aging effects by intervening in various pathologies and multi-signaling systems, including sirtuin type 1, AMP-activated protein kinase, and nuclear factor-κB. Researchers are trying to figure out the detailed mechanisms and possible resveratrol-mediated interventions in divergent pathways at the molecular level. This review highlights (i) the causative factors implicated in kidney aging and the therapeutic aspects of resveratrol, and (ii) the effectiveness of resveratrol in delaying the aging process of the kidney while minimizing all possible side effects.
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Olesen HØ, Pors SE, Jensen LB, Grønning AP, Lemser CE, Nguyen Heimbürger MTH, Mamsen LS, Getreu N, Christensen ST, Andersen CY, Kristensen SG. N-acetylcysteine protects ovarian follicles from ischemia-reperfusion injury in xenotransplanted human ovarian tissue. Hum Reprod 2021; 36:429-443. [PMID: 33246336 DOI: 10.1093/humrep/deaa291] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 09/28/2020] [Indexed: 01/05/2023] Open
Abstract
STUDY QUESTION Can antioxidant treatment with N-acetylcysteine (NAC) protect ovarian follicles from ischemia-reperfusion injury in xenotransplanted human ovarian tissue? SUMMARY ANSWER Daily administration of NAC for 7-12 days post-transplantation reduced ischemia-reperfusion injury and increased follicle survival in human ovarian xenografts by upregulating the antioxidant defense system and exerting anti-inflammatory and antiapoptotic effects. WHAT IS KNOWN ALREADY Freezing of human ovarian tissue is performed with high follicular survival rates but up to 70% of follicles appear to be lost due to hypoxia and ischemia-reperfusion injury during ovarian tissue transplantation (OTT). NAC has been demonstrated to possess antioxidant and antiapoptotic properties, and studies in rodents have shown that intraperitoneal administration of NAC reduces ischemia-reperfusion injury and increases follicle survival in autotransplanted murine ovaries. STUDY DESIGN, SIZE, DURATION Pieces of frozen-thawed human ovarian tissue from 28 women aged 23-36 years were transplanted to immunodeficient mice in short- and long-term xenograft studies or cultured in vitro. Three short-term xenograft studies (1-week duration) were performed, in which saline or 150 mg/kg NAC was administered for 7 days post-transplantation (n = 12 patients per group). Two long-term xenograft studies (4 weeks of duration) were performed. In one of these studies, saline or 150 mg/kg NAC was administered for 12 days (n = 12 patients per group), while in the other study 50, 150 or 300 mg/kg NAC was administered for 7 days (n = 8 patients per group). In addition, human ovarian tissue (n = 12 pieces from three patients per group) was cultured with increasing concentrations of NAC (0, 5, 25 and 75 mM) for 4 days in vitro. PARTICIPANTS/MATERIALS, SETTING, METHODS Donated ovarian tissue was obtained from women who had undergone ovarian tissue cryopreservation for fertility preservation at the University Hospital of Copenhagen. Cortical tissue pieces (5 × 5 × 1 mm) were transplanted subcutaneously to immunodeficient mice and NAC or saline was injected intraperitoneally. Grafts were retrieved after 1 or 4 weeks and follicle density was assessed. Gene expression analysis of antioxidant defense markers (superoxide dismutase; Sod1/SOD1, heme oxygenase-1; Hmox1/HMOX1, catalase; Cat/CAT), proinflammatory cytokines (tumor necrosis factor-alpha; Tnf-α, interleukin-1-beta; Il1-β, interleukin 6; Il6), apoptotic factors (B-cell lymphoma 2; Bcl2/BCL2, Bcl-2-associated X protein; Bax/BAX) and angiogenic factors (vascular endothelial growth factor A; Vegfa/VEGFA, angiopoietin-like 4; Angptl4/ANGPTL4) was performed in 1-week-old human ovarian xenografts and in cultured human ovarian tissue. Grafts retrieved after 4 weeks were histologically processed and analyzed for vascularization by CD31 immunohistochemical staining, fibrosis by Masson's Trichrome staining and apoptosis by immunofluorescence using cleaved caspase-3. MAIN RESULTS AND THE ROLE OF CHANCE After 1-week grafting, the relative expression of Sod1, Hmox1 and Cat was significantly higher in the group receiving 150 mg/kg NAC (NAC150-treated group) compared to controls (P = 0.04, P = 0.03, and P = 0.01, respectively), whereas the expression levels of Tnf-α, Il1-β and Il6 were reduced. The Bax/Bcl2 ratio was also significantly reduced in the NAC150-treated group (P < 0.005). In vitro, the relative gene expression of SOD1, HMOX1 and CAT increased significantly in the human ovarian tissue with increasing concentrations of NAC (P < 0.001 for all genes). However, the expression of VEGFA and ANGPTL4 as well as the BAX/BCL2 ratio decreased significantly with increasing concentrations of NAC (P < 0.02, P < 0.001 and P < 0.001, respectively). After 4-week grafting, fibrosis measured by collagen content was similar in the NAC150-treated group compared to controls (control: 56.6% ± 2.2; NAC150: 57.6% ± 1.8), whereas a statistically significant reduction in the CD31-positive vessel area was found (control: 0.69% ± 0.08; NAC150: 0.51% ± 0.07; P < 0.02). Furthermore, a reduced immunoreactivity of cleaved caspase-3 was observed in follicles of the NAC150-treated xenografts compared to controls. Follicle density (follicles/mm3, mean ± SD) was higher in the NAC150-treated group compared to the control group in the 1-week xenografts (control: 19.5 ± 26.3; NAC150: 34.2 ± 53.5) and 4-week xenografts (control: 9.3 ± 11.0; NAC150: 14.4 ± 15.0). Overall, a 2-fold increase in follicle density was observed in the NAC150-group after 1-week grafting where fold changes in follicle density were calculated in relation to grafts from the same patient. Around a 5-fold increase in follicle density was observed in the NAC150 and NAC300 groups after 4-week grafting. LARGE SCALE DATA N/A. LIMITATIONS, REASONS FOR CAUTION Follicle density in the human ovarian cortex is highly heterogeneous and can vary 100-fold between cortex pieces from the same woman. A high variability in follicle density within and between treatment groups and patients was found in the current study. Thus, solid conclusions cannot be made. While intraperitoneal injections of NAC appeared to reduce ischemia-reperfusion injury in human ovarian xenografts, different administration routes should be investigated in order to optimize NAC for potential clinical use. WIDER IMPLICATIONS OF THE FINDINGS This is the first study to demonstrate the antioxidant, anti-inflammatory and antiapoptotic properties of NAC in xenotransplanted human ovarian tissue. Therefore, NAC appears to be a promising candidate for protecting ovarian follicles from ischemia-reperfusion injury. This provides the initial steps toward clinical application of NAC, which could potentially reduce the loss of ovarian follicles following OTT. STUDY FUNDING/COMPETING INTEREST(S) We are grateful to the Danish Childhood Cancer Foundation, Hørslev Foundation, Aase and Einar Danielsen's Foundation (grant number: 10-001999), Dagmar Marshalls Foundation, Else and Mogens Wedell-Wedellsborgs Foundation, Knud and Edith Eriksens Mindefond, and Fabrikant Einar Willumsens Mindelegat for funding this study. None of the authors have any competing interests to declare.
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Affiliation(s)
- Hanna Ørnes Olesen
- Laboratory of Reproductive Biology, Fertility Department, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Copenhagen DK-2100, Denmark
| | - Susanne Elisabeth Pors
- Laboratory of Reproductive Biology, Fertility Department, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Copenhagen DK-2100, Denmark
| | - Lea Bejstrup Jensen
- Laboratory of Reproductive Biology, Fertility Department, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Copenhagen DK-2100, Denmark
| | - Annika Patricia Grønning
- Laboratory of Reproductive Biology, Fertility Department, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Copenhagen DK-2100, Denmark.,Department of Technology, Faculty of Health, University College Copenhagen, Copenhagen, Denmark
| | - Camilla Engel Lemser
- Laboratory of Reproductive Biology, Fertility Department, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Copenhagen DK-2100, Denmark
| | - Maria Thai Hien Nguyen Heimbürger
- Laboratory of Reproductive Biology, Fertility Department, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Copenhagen DK-2100, Denmark
| | - Linn Salto Mamsen
- Laboratory of Reproductive Biology, Fertility Department, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Copenhagen DK-2100, Denmark
| | - Natalie Getreu
- Institute for Women's Health, University College London WC1E 6HU, UK
| | - Søren Tvorup Christensen
- Section of Cell Biology and Physiology, Department of Biology, University of Copenhagen, Copenhagen 2100, Denmark
| | - Claus Yding Andersen
- Laboratory of Reproductive Biology, Fertility Department, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Copenhagen DK-2100, Denmark
| | - Stine Gry Kristensen
- Laboratory of Reproductive Biology, Fertility Department, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Copenhagen DK-2100, Denmark
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The Use of Micro- and Nanocarriers for Resveratrol Delivery into and across the Skin in Different Skin Diseases-A Literature Review. Pharmaceutics 2021; 13:pharmaceutics13040451. [PMID: 33810552 PMCID: PMC8066164 DOI: 10.3390/pharmaceutics13040451] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/19/2021] [Accepted: 03/24/2021] [Indexed: 12/11/2022] Open
Abstract
In recent years, polyphenols have been extensively studied due to their antioxidant, anticancer, and anti-inflammatory properties. It has been shown that anthocyanins, flavonols, and flavan-3-ols play an important role in the prevention of bacterial infections, as well as vascular or skin diseases. Particularly, resveratrol, as a multi-potent agent, may prevent or mitigate the effects of oxidative stress. As the largest organ of the human body, skin is an extremely desirable target for the possible delivery of active substances. The transdermal route of administration of active compounds shows many advantages, including avoidance of gastrointestinal irritation and the first-pass effect. Moreover, it is non-invasive and can be self-administered. However, this delivery is limited, mainly due to the need to overpassing the stratum corneum, the possible decomposition of the substances in contact with the skin surface or in the deeper layers thereof. In addition, using resveratrol for topical and transdermal delivery faces the problems of its low solubility and poor stability. To overcome this, novel systems of delivery are being developed for the effective transport of resveratrol across the skin. Carriers in the micro and nano size were demonstrated to be more efficient for safe and faster topical and transdermal delivery of active substances. The present review aimed to discuss the role of resveratrol in the treatment of skin abnormalities with a special emphasis on technologies enhancing transdermal delivery of resveratrol.
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Antioxidants as an Epidermal Stem Cell Activator. Antioxidants (Basel) 2020; 9:antiox9100958. [PMID: 33036398 PMCID: PMC7600937 DOI: 10.3390/antiox9100958] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 10/05/2020] [Accepted: 10/05/2020] [Indexed: 01/18/2023] Open
Abstract
Antioxidants may modulate the microenvironment of epidermal stem cells by reducing the production of reactive oxygen species or by regulating the expression of extracellular matrix protein. The extracellular membrane is an important component of the stem cell niche, and microRNAs regulate extracellular membrane-mediated basal keratinocyte proliferation. In this narrative review, we will discuss several antioxidants such as ascorbic acid, plant extracts, peptides and hyaluronic acid, and their effect on the epidermal stem cell niche and the proliferative potential of interfollicular epidermal stem cells in 3D skin equivalent models.
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The therapeutic effect of resveratrol: Focusing on the Nrf2 signaling pathway. Biomed Pharmacother 2020; 127:110234. [PMID: 32559855 DOI: 10.1016/j.biopha.2020.110234] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 04/20/2020] [Accepted: 05/03/2020] [Indexed: 12/18/2022] Open
Abstract
Resveratrol is a natural polyphenol derived from grapes, berries, red wine, peanuts amongst other fruits and nuts. Beneficial effects such as anti-inflammatory, antioxidant, hepatoprotective, neuroprotective, cardioprotective, renoprotective, anti-obesity, anti-diabetic, and anti-cancer of resveratrol have been demonstrated by preclinical and clinical research. A possibility is that these therapeutical effects are associated with modulation of the Nrf2 signaling pathway in the following way: resveratrol may potentiate Nrf2 signaling through blockage of Keap1, by means of changing the Nrf2 mediators, its expression and its nuclear translocation. This article reviews the evidence of the Nrf2 modulating hypothesis as a possible molecular mechanism underlying the medicinal properties of resveratrol.
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Wen S, Zhang J, Yang B, Elias PM, Man MQ. Role of Resveratrol in Regulating Cutaneous Functions. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2020; 2020:2416837. [PMID: 32382280 PMCID: PMC7180429 DOI: 10.1155/2020/2416837] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 03/24/2020] [Indexed: 01/09/2023]
Abstract
Protective role of the skin is against external insults and maintenance of electrolyte homeostasis of the body. Cutaneous dysfunction can account for the development of both cutaneous and systemic disorders. Thus, improvements in cutaneous functions can benefit a number of extracutaneous and cutaneous functions. Resveratrol, a natural ingredient, displays multiple benefits for various systems/organs, including the skin. The benefits of resveratrol for cutaneous functions include stimulation of keratinocyte differentiation and antimicrobial peptide expression, inhibition of keratinocyte proliferation and cutaneous inflammation, UV protection, anticancer, antiaging, and inhibition of melanogenesis. The mechanisms of action of resveratrol include activation of sirtuin 1 and nuclear factor erythroid 2-related factor 2, and inhibition of mitogen-activated protein kinase signaling. Evidence suggests that topical resveratrol could be a valuable alternative not only for daily skin care, but also for the prevention and treatment of various cutaneous disorders. This review summarizes the benefits of resveratrol for cutaneous functions.
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Affiliation(s)
- Si Wen
- Dermatology Hospital, Southern Medical University, Guangzhou 510091, China
| | - Jiechen Zhang
- Department of Dermatology, Huadong Hospital, Fudan University, Shanghai 200040, China
| | - Bin Yang
- Dermatology Hospital, Southern Medical University, Guangzhou 510091, China
| | - Peter M. Elias
- Department of Dermatology, University of California San Francisco and Veterans Affairs Medical Center, San Francisco, CA 94121, USA
| | - Mao-Qiang Man
- Dermatology Hospital, Southern Medical University, Guangzhou 510091, China
- Department of Dermatology, University of California San Francisco and Veterans Affairs Medical Center, San Francisco, CA 94121, USA
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Juchaux F, Sellathurai T, Perrault V, Boirre F, Delannoy P, Bakkar K, Albaud J, Gueniche A, Cheniti A, Dal Belo S, Souverain L, Le Balch M, Commo S, Thibaut S, Michelet JF. A combination of pyridine-2, 4-dicarboxylic acid diethyl ester and resveratrol stabilizes hypoxia-inducible factor 1-alpha and improves hair density in female volunteers. Int J Cosmet Sci 2020; 42:167-173. [PMID: 31960447 DOI: 10.1111/ics.12600] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 01/10/2020] [Indexed: 12/14/2022]
Abstract
OBJECTIVE The aim of this study was first to demonstrate that a combination of pyridine-2, 4-dicarboxylic acid diethyl ester and resveratrol could synergize in vitro on biological pathways associated with hair growth and then to demonstrate the benefit on hair density in a clinical study. METHODS The effects of pyridine-2, 4-dicarboxylic acid diethyl ester and resveratrol directly on the hypoxic inducible factor-1α protein (HIF-1α) and related genes expression were demonstrated on keratinocytes in culture in vitro using western-blot analysis and real time quantitative polymerase chain reaction analysis. The effect of resveratrol against oxidative stress induced by hydrogen peroxide treatment was studied in hair follicle and hair matrix cells in vitro using the sensitive probe Dichloro-dihydro-fluorescein diacetate (DCFH-DA). Finally, a randomized clinical study on hair density was conducted on 79 Caucasian female subjects to assess the effect of this combination of actives. RESULTS Pyridine-2, 4-dicarboxylic acid diethyl ester and resveratrol stabilized HIF-1a protein and increased the expression of HIF-1α target genes. Resveratrol significantly reduced the oxygen peroxide-induced oxidative stress generated in hair follicle and hair matrix cells. The clinical study showed that a topical treatment with the combination significantly increased the hair density on women from 1.5 months. CONCLUSION In addition to the antioxidant properties of resveratrol, the association of pyridine-2, 4-dicarboxylic acid diethyl ester and resveratrol revealed a synergistic effect on the HIF-1α pathway. The results of the clinical study confirmed the importance of such a combination to increase the hair density.
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Affiliation(s)
- F Juchaux
- L'Oreal Research and Innovation, Advanced Research, 1, avenue Eugène Schueller, 93601, Aulnay sous Bois, France
| | - T Sellathurai
- L'Oreal Research and Innovation, Advanced Research, 1, avenue Eugène Schueller, 93601, Aulnay sous Bois, France
| | - V Perrault
- L'Oreal Research and Innovation, Advanced Research, 1, avenue Eugène Schueller, 93601, Aulnay sous Bois, France
| | - F Boirre
- L'Oreal Research and Innovation, Advanced Research, 1, avenue Eugène Schueller, 93601, Aulnay sous Bois, France
| | - P Delannoy
- L'Oreal Research and Innovation, Advanced Research, 1, avenue Eugène Schueller, 93601, Aulnay sous Bois, France
| | - K Bakkar
- L'Oreal Research and Innovation, Advanced Research, 1, avenue Eugène Schueller, 93601, Aulnay sous Bois, France
| | - J Albaud
- L'Oreal Research and Innovation, Advanced Research, 1, avenue Eugène Schueller, 93601, Aulnay sous Bois, France
| | - A Gueniche
- L'Oreal Research and Innovation, Advanced Research, 1, avenue Eugène Schueller, 93601, Aulnay sous Bois, France
| | - A Cheniti
- L'Oreal Research and Innovation, Advanced Research, 1, avenue Eugène Schueller, 93601, Aulnay sous Bois, France
| | - S Dal Belo
- L'Oreal Research and Innovation, Advanced Research, 1, avenue Eugène Schueller, 93601, Aulnay sous Bois, France
| | - L Souverain
- L'Oreal Research and Innovation, Advanced Research, 1, avenue Eugène Schueller, 93601, Aulnay sous Bois, France
| | - M Le Balch
- L'Oreal Research and Innovation, Advanced Research, 1, avenue Eugène Schueller, 93601, Aulnay sous Bois, France
| | - S Commo
- L'Oreal Research and Innovation, Advanced Research, 1, avenue Eugène Schueller, 93601, Aulnay sous Bois, France
| | - S Thibaut
- L'Oreal Research and Innovation, Advanced Research, 1, avenue Eugène Schueller, 93601, Aulnay sous Bois, France
| | - J F Michelet
- L'Oreal Research and Innovation, Advanced Research, 1, avenue Eugène Schueller, 93601, Aulnay sous Bois, France
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Huang DD, Shi G, Jiang Y, Yao C, Zhu C. A review on the potential of Resveratrol in prevention and therapy of diabetes and diabetic complications. Biomed Pharmacother 2020; 125:109767. [PMID: 32058210 DOI: 10.1016/j.biopha.2019.109767] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 11/18/2019] [Accepted: 11/29/2019] [Indexed: 02/08/2023] Open
Abstract
Diabetes mellitus (DM) is a major world health problem and one of the most studied diseases, which are highly prevalent in the whole world, it is frequently associated with severe clinical complications, such as diabetic cardiomyopathy, nephropathy, retinopathy, neuropathy etc. Scientific research is continuously casting about for new monomer molecules from Chinese herbal medicine that could be invoked as candidate drugs for fighting against diabetes and its complications. Resveratrol (RES), a polyphenol phytoalexin, possesses diverse biochemical and physiological actions, including antiplatelet, estrogenic, and anti-inflammatory properties. It is recently gaining scientific interest for RES in controlling blood sugar and fighting against diabetes and its complications properties in various types of diabetic models. These beneficial effects seem to be due to the multiple actions of RES on cellular functions, which make RES become a promising molecule for the treatment of diabetes and diabetic complications. Here, we review the mechanism of action and potential therapeutic use of RES in prevention and mitigation of these diseases in recent ten years to provide a reference for further research and development of RES.
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Affiliation(s)
- Dan-Dan Huang
- Department of Pharmacy, The Second Affiliated Hospital of Fujian Medical University, Fujian, 362000, China
| | - Guangjiang Shi
- School of pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Yaping Jiang
- School of Pharmacology, Ningxia Hui Medicine Modern Engineering Research Center and Collaborative Innovation Center, Ningxia Medical University, Yinchuan, 750004, China
| | - Chao Yao
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, Center for New Drug Safety Evaluation and Research, China Pharmaceutical University, Nanjing, 211198, China
| | - Chuanlin Zhu
- Department of Laboratory Medicine, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, 400021, China.
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Richard F, Creusot T, Catoire S, Egles C, Ficheux H. Mechanisms of pollutant-induced toxicity in skin and detoxification: Anti-pollution strategies and perspectives for cosmetic products. ANNALES PHARMACEUTIQUES FRANÇAISES 2019; 77:446-459. [DOI: 10.1016/j.pharma.2019.07.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 07/01/2019] [Accepted: 07/05/2019] [Indexed: 10/25/2022]
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Sun M, Shen X, Ma Y. Rehmannioside A attenuates cognitive deficits in rats with vascular dementia (VD) through suppressing oxidative stress, inflammation and apoptosis. Biomed Pharmacother 2019; 120:109492. [PMID: 31593895 DOI: 10.1016/j.biopha.2019.109492] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 01/03/2018] [Accepted: 01/03/2018] [Indexed: 12/12/2022] Open
Abstract
Vascular dementia (VD) is a degenerative cerebrovascular disorder, leading to progressive decline of cognitive abilities and memory. Rehmannioside A (ReA) is isolated from Rehmanniae Radix, which exhibits protective role against various diseases. The present study was performed to calculate the possible neuroprotective effects of ReA on VD. Here, the morris water maze (MWM) test and electrophysiological recordings indicated that ReA reduced cognitive deficits. Additionally, through hematoxylin and eosin (H&E) and Nissl staining, ReA attenuated the histological alterations of hippocampus in rats with VD. ReA group significantly reduced oxidative stress, inflammatory response and apoptosis in the hippocampus of rats with VD, which was linked to the activation of nuclear erythroid related factor-2 (Nrf2), while the inactivation of nuclear factor-κB (NF-κB) and Caspase-3. Further, the anti-oxidative, anti-inflammatory and anti-apoptosis abilities of ReA were confirmed in cells stimulated by hydrogen peroxide. Overall, the results above demonstrated the protective effects of ReA against cognitive deficits and indicated the potential value of ReA in the therapy of VD in future.
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Affiliation(s)
- Miao Sun
- Beijing University of Chinese Medicine, No. 11 North Third Ring Road, Chaoyang District, Beijing, 100000, China
| | - Xiaoming Shen
- The First Affiliated Hospital of Henan University of TCM, No. 19 Renmin Road, Zhengzhou, 450000, China
| | - Yunzhi Ma
- Beijing University of Chinese Medicine, No. 11 North Third Ring Road, Chaoyang District, Beijing, 100000, China; The First Affiliated Hospital of Henan University of TCM, No. 19 Renmin Road, Zhengzhou, 450000, China.
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Human Skin Lightening Efficacy of Resveratrol and Its Analogs: From in Vitro Studies to Cosmetic Applications. Antioxidants (Basel) 2019; 8:antiox8090332. [PMID: 31443469 PMCID: PMC6770230 DOI: 10.3390/antiox8090332] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 08/14/2019] [Accepted: 08/20/2019] [Indexed: 12/19/2022] Open
Abstract
Antioxidants are deemed useful in controlling oxidative stress associated with extrinsic skin aging and pigmentation disorders. Resveratrol is a polyphenol compound found in many edible plants such as Vitis vinifera, and its inhibitory effects on the catalytic activity, gene expression, and posttranslational modifications of tyrosinase, a key enzyme in the melanin biosynthetic pathway, provide a mechanistic basis for its antimelanogenic effects seen in melanocytic cells, three-dimensionally reconstituted skin models, and in vivo animal models. As a potent antioxidant and a modulator of nuclear factor erythroid 2-related factor 2 (Nrf2), and sirtuin 1, resveratrol can also regulate multiple signaling pathways associated with inflammation and premature aging. Recent clinical studies have supported the efficacy of resveratrol and its analogs, such as resveratryl triacetate (RTA) and resveratryl triglycolate (RTG), in human skin lightening and antiaging. These findings suggest that resveratrol and its analogs are potentially useful as skin lightening and antiaging agents in cosmetics.
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Flaviviridae Viruses and Oxidative Stress: Implications for Viral Pathogenesis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:1409582. [PMID: 31531178 PMCID: PMC6720866 DOI: 10.1155/2019/1409582] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 07/09/2019] [Accepted: 07/25/2019] [Indexed: 02/07/2023]
Abstract
Oxidative stress is induced once the balance of generation and neutralization of reactive oxygen species (ROS) is broken in the cell, and it plays crucial roles in a variety of natural and diseased processes. Infections of Flaviviridae viruses trigger oxidative stress, which affects both the cellular metabolism and the life cycle of the viruses. Oxidative stress associated with specific viral proteins, experimental culture systems, and patient infections, as well as its correlations with the viral pathogenesis attracts much research attention. In this review, we primarily focus on hepatitis C virus (HCV), dengue virus (DENV), Zika virus (ZIKV), Japanese encephalitis virus (JEV), West Nile virus (WNV), and tick-borne encephalitis virus (TBEV) as representatives of Flaviviridae viruses and we summarize the mechanisms involved in the relevance of oxidative stress for virus-associated pathogenesis. We discuss the current understanding of the pathogenic mechanisms of oxidative stress induced by Flaviviridae viruses and highlight the relevance of autophagy and DNA damage in the life cycle of viruses. Understanding the crosstalk between viral infection and oxidative stress-induced molecular events may offer new avenues for antiviral therapeutics.
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29
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Signaling Pathways, Chemical and Biological Modulators of Nucleotide Excision Repair: The Faithful Shield against UV Genotoxicity. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:4654206. [PMID: 31485292 PMCID: PMC6702832 DOI: 10.1155/2019/4654206] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 07/10/2019] [Indexed: 12/28/2022]
Abstract
The continuous exposure of the human body's cells to radiation and genotoxic stresses leads to the accumulation of DNA lesions. Fortunately, our body has several effective repair mechanisms, among which is nucleotide excision repair (NER), to counteract these lesions. NER includes both global genome repair (GG-NER) and transcription-coupled repair (TC-NER). Deficiencies in the NER pathway underlie the development of several DNA repair diseases, such as xeroderma pigmentosum (XP), Cockayne syndrome (CS), and trichothiodystrophy (TTD). Deficiencies in GG-NER and TC-NER render individuals to become prone to cancer and neurological disorders, respectively. Therefore, NER regulation is of interest in fine-tuning these risks. Distinct signaling cascades including the NFE2L2 (NRF2), AHR, PI3K/AKT1, MAPK, and CSNK2A1 pathways can modulate NER function. In addition, several chemical and biological compounds have proven success in regulating NER's activity. These modulators, particularly the positive ones, could therefore provide potential treatments for genetic DNA repair-based diseases. Negative modulators, nonetheless, can help sensitize cells to killing by genotoxic chemicals. In this review, we will summarize and discuss the major upstream signaling pathways and molecules that could modulate the NER's activity.
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Haghi Aminjan H, Abtahi SR, Hazrati E, Chamanara M, Jalili M, Paknejad B. Targeting of oxidative stress and inflammation through ROS/NF-kappaB pathway in phosphine-induced hepatotoxicity mitigation. Life Sci 2019; 232:116607. [PMID: 31254582 DOI: 10.1016/j.lfs.2019.116607] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 06/13/2019] [Accepted: 06/25/2019] [Indexed: 02/07/2023]
Abstract
AIMS Poisoning with aluminium phosphide (AlP) commonly has a high rate of mortality and morbidities. Phosphine gas is the main cause of AlP poisoning that has deleterious effect on multi-organs especially heart, kidney, and liver. Furthermore, several studies reported that resveratrol has cytoprotective effects through its pleiotropic property. The purpose of this study was to estimate the dose-dependent role of resveratrol on phosphine induced acute hepatic toxicity in rat model. MAIN METHODS The rats have been exposed to LD50 of AlP (12 mg/kg) by gavage, and resveratrol doses (20, 40, and 80 mg/kg) were injected 30 min after intoxication. After 24 h, the serum and liver tissue were collected for present study. KEY FINDINGS The results indicated that phosphine causes an alteration in oxidative stress markers including elevation of ROS, and GSH level, MPO activity, reduction in SOD, catalase and G6PD activity as well as reduction in SOD1 and catalase expression. Furthermore, phosphine significantly induced phosphorylation of IkappaB, NF-kappaB and up-regulation of TNF-α, IL-1β, IL-6, and ICAM-1 expression. Also, phosphine induces markedly reduced hepatocytes lives cell and elevated apoptosis and necrosis. Co-treatment of resveratrol in a dose-dependent manner reversed aforementioned alterations. All in all, histological analysis indicated a deleterious effect of phosphine on the liver, which is mitigated by resveratrol administration. SIGNIFICANCE The results of the present study suggest targeting ROS/NF-kappaB signalling pathway by resveratrol may have a significant effect on the improvement of hepatic injury induced by phosphine. It also may be a possible candidate for the treatment of phosphine-poisoning.
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Affiliation(s)
- Hamed Haghi Aminjan
- Department of Pharmacology and Toxicology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Seyed Reza Abtahi
- Department of Pharmacology and Toxicology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Ebrahim Hazrati
- Department of Anesthesia and Intensive Care, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Mohsen Chamanara
- Department of Pharmacology and Toxicology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Maryam Jalili
- Department of Clinical Sciences, School of Veterinary, Shiraz University, Shiraz, Iran
| | - Babak Paknejad
- Department of Pharmacology and Toxicology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran.
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Yang X, Zhao T, Feng L, Shi Y, Jiang J, Liang S, Sun B, Xu Q, Duan J, Sun Z. PM 2.5-induced ADRB2 hypermethylation contributed to cardiac dysfunction through cardiomyocytes apoptosis via PI3K/Akt pathway. ENVIRONMENT INTERNATIONAL 2019; 127:601-614. [PMID: 30986742 DOI: 10.1016/j.envint.2019.03.057] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 03/23/2019] [Accepted: 03/25/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Long-term exposure to fine particulate matter (PM2.5) can causally contribute to progression of atherosclerosis, risk of ischemic heart disease and death, but the underlying mechanism is little known. Since DNA methylation impacts the process of heart disease, it might be useful in exploring potential mechanistic pathways linking PM2.5 exposure and heart disease. OBJECTIVES Here, we investigated the PM2.5-induced ADRB2 hypermethylation and the involving epigenetic mechanism of PM2.5-induced cardiomyocytes apoptosis and cardiac dysfunction. METHODS AND RESULTS In vitro, PM2.5 markedly augmented cardiotoxicity including oxidative damage and apoptosis in cardiomyocytes AC16 as well as epigenetic alteration. DNA methylation profiling revealed a significant gene-ADRB2 was involved in the cardiac relative GO and KEGG pathways. Methylation chip and Bisulfite Sequencing PCR (BSP) both identified the hypermethylation status of ADRB2 which encodes β2-Adrenergic receptor (β2AR). Mechanistic study showed ADRB2 hypermethylation-induced down-regulation of β2AR inhibited PI3K/Akt and then activated Bcl-2/BAX and p53 pathway in AC16. The transgenic cell lines showed over-expression of ADRB2 weakened the PM2.5-induced cardiomyocytes apoptosis in opposite way, but was augmented by PI3K inhibitor (LY294002). In vivo, echocardiography showed the heart contractile function was decreased after SD rats intratracheal instillation of PM2.5 for 30 days. The myocardial interstitial edema, myocardial gap expansion and myofibril disorder in PM2.5 treated group were observed in rats heart tissue. What's more, basal expression of β2AR and VEGFR2 decreased in heart tissue as the dosage of PM2.5 increasing, meanwhile PM2.5 markedly attenuated PI3K/Akt pathway followed by augmented Bcl-2/BAX and p53 pathway, thus caused a greater number of TUNEL positive cardiomyocytes resulted in cardiac dysfunction in vivo. CONCLUSIONS PM2.5 exposure could cause the myocardial ADRB2 hypermethylation and activate the β2AR/PI3K/Akt pathway, resulted in PM2.5-induced cardiomyocytes apoptosis and cardiac dysfunction. Our study suggested that the ADRB2 demethylation or ADRB2/β2AR activation may serve as a potential pathway to prevent cardiac dysfunction induced by PM2.5 exposure.
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Affiliation(s)
- Xiaozhe Yang
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Tong Zhao
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Lin Feng
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Yanfeng Shi
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Jinjin Jiang
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Shuang Liang
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Baiyang Sun
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Qing Xu
- Core Facilities for Electrophysiology, Core Facilities Center, Capital Medical University, Beijing 100069, PR China
| | - Junchao Duan
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China.
| | - Zhiwei Sun
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China.
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Kim J, Oh J, Averilla JN, Kim HJ, Kim JS, Kim JS. Grape Peel Extract and Resveratrol Inhibit Wrinkle Formation in Mice Model Through Activation of Nrf2/HO-1 Signaling Pathway. J Food Sci 2019; 84:1600-1608. [PMID: 31132143 DOI: 10.1111/1750-3841.14643] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 03/28/2019] [Accepted: 04/11/2019] [Indexed: 01/12/2023]
Abstract
Considering the anti-photoaging effect of antioxidant compounds, we investigated the protective capacity of grape peel extract (GPE) and resveratrol on ultraviolet (UV)-induced skin wrinkle formation. Total phenolic, total anthocyanin, and total flavonoid content in GPE prepared from peel of Campbell Early variety were 23.96 ± 0.09, 3.27 ± 0.40, and 1.24 ± 0.09 mg/g dry weight, respectively. Additionally, trans-resveratrol and piceid content of the resulting GPE were 117.14 ± 19.97 and 85.23 ± 8.89 µg/g dry weight, respectively. Oral administration of either 2 g GPE or 2 mg resveratrol per kg body weight in mice attenuated UVB-induced epidermal thickening (the thickness was reduced by about 63% and 55% with GPE and resveratrol consumption prior to exposure to UVB, respectively, compared to only UVB-treated condition) and had marginally protective effect on wrinkle formation of skin exposed to UVB. As introduction of either GPE or resveratrol induced Nrf2-dependent antioxidant enzymes including heme oxygenase-1 (HO-1) in liver and skin as well as inhibited metalloproteinases, it is highly probable that the extract or resveratrol mitigated UVB-induced photoaging through activation of Nrf2/HO-1 signaling pathway. PRACTICAL APPLICATION: This study proved that resveratrol and the extract of grape peel, a common by-product of grape juice processing, provide effective protection from UV-induced skin wrinkle formation. Therefore, grape peel extract, which contains an appreciable amount of bioactive compound resveratrol, can be utilized as functional food ingredient for the manufacture of inner beauty products.
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Affiliation(s)
- Jungeun Kim
- School of Food Science and Biotechnology (BK21 Plus), Kyungpook National Univ., Daegu, 41566, Republic of Korea
| | - Jisun Oh
- School of Food Science and Biotechnology (BK21 Plus), Kyungpook National Univ., Daegu, 41566, Republic of Korea
| | - Janice N Averilla
- School of Food Science and Biotechnology (BK21 Plus), Kyungpook National Univ., Daegu, 41566, Republic of Korea
| | - Hyo Jung Kim
- National Development Inst. of Korean Medicine, Gyeongsan, 38540, Republic of Korea
| | - Jae-Sik Kim
- Dr.Kim's Health Food Corp., Yeongcheon, 38912, Republic of Korea
| | - Jong-Sang Kim
- School of Food Science and Biotechnology (BK21 Plus), Kyungpook National Univ., Daegu, 41566, Republic of Korea
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BPDE and B[a]P induce mitochondrial compromise by ROS-mediated suppression of the SIRT1/TERT/PGC-1α pathway in spermatogenic cells both in vitro and in vivo. Toxicol Appl Pharmacol 2019; 376:17-37. [PMID: 31085209 DOI: 10.1016/j.taap.2019.05.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 05/02/2019] [Accepted: 05/07/2019] [Indexed: 10/26/2022]
Abstract
There is increasing evidence that indicates benzo[a]pyrene (B[a]P) and its active metabolite benzo[a]pyrene-7, 8-dihydrodiol-9, 10-epoxide (BPDE) are endocrine disruptors that can cause reproductive toxicity. Nevertheless, the underlying mechanisms are still obscure. The present study investigates the impacts of B[a]P and BPDE on mitochondria, a sensitive target affected by multiple chemicals, in spermatogenic cells. It showed that BPDE treatment induced mitochondrial dysfunction and the inhibition of mitochondrial biogenesis in mouse spermatocyte-derived cells (GC-2). These effects were efficiently mitigated by pretreatment with ZLN005, an activator of PGC-1α, in GC-2 cells. TERT knockdown and re-expression cell models were established to demonstrate that TERT regulated the BPDE-induced mitochondrial damage via PGC-1α signaling in GC-2 cells. Moreover, upregulating or knockdown SIRT1 expression attenuated or aggravated BPDE-induced mitochondrial compromise by activating or inhibiting, respectively, the TERT and PGC-1α molecules in GC-2 cells. Finally, we observed that BPDE markedly elevated oxidative stress in GC-2 cells. Resveratrol and N-acetylcysteine, as reactive oxygen species (ROS) scavengers, attenuated BPDE-mediated mitochondrial damage by increasing SIRT1 activity and expression in GC-2 cells. The in vitro results were corroborated by in vivo experiments in rats treated with B[a]P for 4 weeks. B[a]P administration caused mitochondrial damage and mitochondria-dependent apoptosis in spermatogenic cells, as well as the decreased expression of SIRT1, TERT, and PGC-1α. In summary, the results of the present study demonstrate that B[a]P and BPDE induce mitochondrial damage through ROS production that suppresses SIRT1/TERT/PGC-1a signaling and mediate B[a]P- and BPDE-mediated reproductive toxicity.
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Aoki M, Matsumoto NM, Okubo Y, Ogawa R. Cytochrome P450 genes play central roles in transcriptional response by keratinocytes to a high-voltage alternating current electric field. Bioelectrochemistry 2019; 126:163-171. [DOI: 10.1016/j.bioelechem.2018.11.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 11/29/2018] [Accepted: 11/30/2018] [Indexed: 01/01/2023]
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Marrot L. Pollution and Sun Exposure: A Deleterious Synergy. Mechanisms and Opportunities for Skin Protection. Curr Med Chem 2019; 25:5469-5486. [PMID: 28925870 DOI: 10.2174/0929867324666170918123907] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2016] [Revised: 08/16/2017] [Accepted: 08/16/2017] [Indexed: 02/08/2023]
Abstract
BACKGROUND Pollutants are diverse chemical entities, including gases such as ozone and particulate matter PM. PM contains toxic chemicals such as polycyclic aromatic hydrocarbons (PAHs). Some PAHs can induce strong oxidative stress under UVA exposure. Pollution aggravates some skin diseases such as atopy or eczema, but epidemiological data also pointed to a correlation with early occurrence of (photo)-aging markers. OBJECTIVE This paper aims at reviewing current literature dealing with dermatological effects of pollution, either on in vitro models or using in vivo approaches (including humans). It particularly focuses on the probable deleterious synergy between pollutants and sunlight. RESULTS An exhaustive analysis of literature suggests that skin may be impacted by external stress through oxidation of some of its surface components. However, pollutants detected in plasma may also be provided to deep skin by the circulation of the blood. Oxidative stress, inflammation and metabolic impairments are among the most probable mechanisms of pollution- derived dermatological hazards. Moreover these stresses should be amplified by the deleterious synergy between pollution and sunlight. Some experiments from our lab identified few PAHs inducing a huge toxic stress, at nanomolar concentrations, when exposed to long UVA wavelengths. Prevention strategies should thus combine surface protection (long UVA sunscreens, antioxidants) and enhanced skin tissue resistance through stimulation of the natural antioxidation/detoxification pathway Nrf2. CONCLUSION In people exposed to highly polluted environments, pollutants and sunlight may synergistically damage skin, requiring a specific protection.
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Na JI, Shin JW, Choi HR, Kwon SH, Park KC. Resveratrol as a Multifunctional Topical Hypopigmenting Agent. Int J Mol Sci 2019; 20:ijms20040956. [PMID: 30813264 PMCID: PMC6412432 DOI: 10.3390/ijms20040956] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 02/11/2019] [Accepted: 02/18/2019] [Indexed: 12/15/2022] Open
Abstract
Melanin is produced in melanocytes and stored in melanosomes, after which it is transferred to keratinocytes and, thus, determines skin color. Despite its beneficial sun-protective effects, abnormal accumulation of melanin results in esthetic problems. A range of topical hypopigmenting agents have been evaluated for their use in the treatment of pigmentary disorders with varying degrees of success. Hydroquinone (HQ), which competes with tyrosine, is the main ingredient in topical pharmacological agents. However, frequent occurrence of adverse reactions is an important factor that limits its use. Thus, efforts to discover effective topical hypopigmenting agents with less adverse effects continue. Here, we describe the potential of resveratrol to function as an effective hypopigmenting agent based on its mechanism of action. Resveratrol is not only a direct tyrosinase inhibitor but an indirect inhibitor as well. Additionally, it can affect keratinocytes, which regulate the function of melanocytes. Resveratrol regulates the inflammatory process of keratinocytes and protects them from oxidative damage. In this way, it prevents keratinocyte-induced melanocyte stimulation. Furthermore, it has a rescuing effect on the stemness of interfollicular epidermal cells that can repair signs of photoaging in the melasma, a typical pigmentary skin disorder. Overall, resveratrol is a promising potent hypopigmenting agent.
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Affiliation(s)
- Jung-Im Na
- Department of Dermatology, Seoul National University Bundang Hospital, Seongnam 463-707, Korea.
| | - Jung-Won Shin
- Department of Dermatology, Seoul National University Bundang Hospital, Seongnam 463-707, Korea.
| | - Hye-Ryung Choi
- Department of Dermatology, Seoul National University Bundang Hospital, Seongnam 463-707, Korea.
| | - Soon-Hyo Kwon
- Department of Dermatology, Seoul National University Bundang Hospital, Seongnam 463-707, Korea.
| | - Kyung-Chan Park
- Department of Dermatology, Seoul National University Bundang Hospital, Seongnam 463-707, Korea.
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Schmidt A, von Woedtke T, Vollmar B, Hasse S, Bekeschus S. Nrf2 signaling and inflammation are key events in physical plasma-spurred wound healing. Theranostics 2019; 9:1066-1084. [PMID: 30867816 PMCID: PMC6401410 DOI: 10.7150/thno.29754] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 01/02/2019] [Indexed: 12/26/2022] Open
Abstract
Wound healing is strongly associated with the presence of a balanced content of reactive species in which oxygen-dependent, redox-sensitive signaling represents an essential step in the healing cascade. Numerous studies have demonstrated that cold physical plasma supports wound healing due to its ability to deliver a beneficial mixture of reactive species directly to the cells. Methods: We described a preclinical proof-of-principle-concept of cold plasma use in a dermal, full-thickness wound model in immunocompetent SKH1 mice. Quantitative PCR, Western blot analysis, immunohistochemistry and immunofluorescence were perfomed to evaluate the expression and cellular translocation of essential targets of Nrf2 and p53 signaling as well as immunomodulatory and angiogenetic factors. Apoptosis and proliferation were detected using TUNEL assay and Ki67 staining, respectively. Cytokine levels in serum were measured using bead-based multiplex cytokine analysis. Epidermal keratinocytes and dermal fibroblasts were isolated from mouse skin to perform functional knockdown experiments. Intravital fluorescence analysis was used to illustrate and quantified microvascular features. Results: Plasma exerted significant effects on wound healing in mice, including the promotion of granulation and reepithelialization as a consequence of the migration of skin cells, the balance of antioxidant and inflammatory response, and the early induction of macrophage and neutrophil recruitment to the wound sites. Moreover, through an early and local plasma-induced p53 inhibition with a concomitant stimulation of proliferation, the upregulation of angiogenetic factors, and an increased outgrowth of new vessels, our findings explain why dermal skin repair is accelerated. The cellular redox homeostasis was maintained and cells were defended from damage by a strong modulation of the nuclear E2-related factor (Nrf2) pathway and redox-sensitive p53 signaling. Conclusions: Although acute wound healing is non-problematic, the pathways highlighted that mainly the activation of Nrf2 signaling is a promising strategy for the clinical use of cold plasma in chronic wound healing.
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Abdelsalam HM, Samak MA, Alsemeh AE. Synergistic therapeutic effects of Vitis vinifera extract and Silymarin on experimentally induced cardiorenal injury: The pertinent role of Nrf2. Biomed Pharmacother 2018; 110:37-46. [PMID: 30458346 DOI: 10.1016/j.biopha.2018.11.053] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 11/09/2018] [Accepted: 11/10/2018] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Cardiorenal crosstalk has gained growing scientific curiosity recently. Clinical observations have approved that heart and kidney performances are intimately interrelated; acute or chronic dysfunction of either is inevitably mirrored on the other. This coexistence usually has the poor prognosis and worsened outcome. METHODS We designed this study to explore therapeutic potentials of combined Vitis vinifera and Silymarin extracts on histopathological alterations of experimentally induced cardiorenal injury model. Moreover, to examine the pertinent role of Nrf2 in their bio-molecular actions. Sixty adult male Wistar albino rats were utilized, further subdivided into control, doxorubicin (DXR), DXR + Silymarin, DXR + Aqueous Vitis, DXR + Ethanolic Vitis, DXR + Ethanolic Vitis + Silymarin. Left ventricle and renal cortex sections from all groups were processed for histopathological examination, biochemical estimation of serum Urea, Creatinine, BUN, lipid profile and hs-CRP and real-time PCR of Nrf2 expression in cardiac and renal tissue homogenate were performed. RESULTS Our results proved that combined ethanolic extract of Vitis vinifera and Silymarin restored normal renal and cardiac histomorphology. Significant improvement of Creatinine, BUN, lipid profile and hs-CRP cardiac and renal biochemical indicators confirmed our results. Moreover, significant elevation of mRNA expression levels of Nrf2 proved that combined Vitis vinifera and Silymarin action was directly related to the redox-sensitive regulator pathway. CONCLUSIONS We concluded that synergistic therapeutic effect of Vitis vinifera extract and Silymarin on experimental cardiorenal injury model owes principally to promoting activation of the Keap1/Nrf2 signaling pathway.
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Affiliation(s)
- Hani M Abdelsalam
- Department of Zoology, Faculty of Science, Zagazig University, Egypt.
| | - Mai A Samak
- Department of Histology and Cell Biology, Faculty of Medicine, Zagazig University, Egypt.
| | - Amira E Alsemeh
- Department of Anatomy and Embryology, Faculty of Medicine, Zagazig University, Egypt.
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Agro-Industrial By-Products and Their Bioactive Compounds—An Ally against Oxidative Stress and Skin Aging. COSMETICS 2018. [DOI: 10.3390/cosmetics5040058] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The increased consumer awareness towards hazards related with sun exposure has given a boost in the cosmetics industry and particularly the sun care market. Human skin is continually being threatened by the UV irradiation present in sunlight and acute UV exposure leads to skin photoaging. Cosmetic and/or dermatological applications include several bioactive compounds that contribute to the regulation of epidermal homeostasis by providing protection against solar radiation and improving the antioxidant activity of epidermis. Plant extracts are sources of active ingredients with intense therapeutic properties, and the topical application or oral intake of these compounds could ameliorate skin condition. Nowadays, there is a growing demand for the application of the bioactive agents contained in agro-industrial byproducts in sun care products, since many of them have shown promising properties as skin photoprotectants. However, well-conducted clinical studies are required to prove their safety and efficacy before they could be regularly used. Environmentally friendly extraction and sustainable techniques are therefore under examination for recovering such compounds from agro-industrial byproducts and converting them into innovative high-value natural ingredients used in cosmetic formulations.
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Zhang J, Jiao K, Liu J, Xia Y. Metformin reverses the resistance mechanism of lung adenocarcinoma cells that knocks down the Nrf2 gene. Oncol Lett 2018; 16:6071-6080. [PMID: 30333878 DOI: 10.3892/ol.2018.9382] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 06/14/2018] [Indexed: 12/12/2022] Open
Abstract
The nuclear factor, erythroid 2 like 2 (Nrf2)/antioxidant response element (ARE) pathway has an important role in the drug resistance of adenocarcinoma, and may act via different mechanisms, including the mitogen-activated protein kinase (MAPK) pathway. However, it has remained elusive whether metformin affects Nrf2 and regulates Nrf2/ARE in adenocarcinoma. In the present study, reverse-transcription quantitative polymerase chain reaction, cell transfection, western blot analysis, a Cell Counting kit-8 assay and apoptosis detection were used to investigate the above in the A549 cell line and cisplatin-resistant A549 cells (A549/DDP). The results indicated that Nrf2, glutathione S-transferase α 1 (GSTA1) and ATP-binding cassette subfamily C member 1 (ABCC1) were dose-dependently reduced by metformin, and that the effect in A549 cells was greater than that in A549/DDP cells. Treatment with metformin decreased the proliferation and increased the apoptosis of A549 cells to a greater extent than that of A549/DDP cells, and the effect was dose-dependent. After transfection of A549/DDP cells with Nrf2 short hairpin RNA (shRNA), GSTA1 and ABCC1 were markedly decreased, compared with the shRNA-control group of A549/DDP, and low dose-metformin reduced the proliferation and increased apoptosis of A549/DDP cells. Metformin inhibited the Akt and extracellular signal-regulated kinase (ERK)1/2 pathways in A549 cells and activated the p38 MAPK and c-Jun N-terminal kinase (JNK) pathways. Furthermore, in the presence of metformin, inhibitors of the p38 MAPK and JNK signaling pathway at different concentrations did not affect the levels of Nrf2, but inhibitors of the Akt and ERK1/2 pathway at different doses reduced the expression of Nrf2. In addition, inhibitors of p38 MAPK and JNK did not affect the effect of metformin on Nrf2, while inhibitors of Akt and ERK1/2 dose-dependently enhanced the inhibitory effects of metformin in A549 cells. In conclusion, metformin inhibits the phosphoinositide-3 kinase/Akt and ERK1/2 signaling pathways in A549 cells to reduce the expression of Nrf2, GSTA1 and ABCC1. Metformin also reverses the resistance of A549/DDP cells to platinum drugs, inhibits the proliferation and promotes apoptosis of drug-resistant cells. These results may provide a theoretical basis and therapeutic targets for the clinical treatment of tumors.
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Affiliation(s)
- Jiacui Zhang
- Department of Internal Medicine, The First Hospital of Lanzhou University, Lanzhou, Gansu 730000, P.R. China.,Department of Respiratory Medicine, People's Hospital of Gansu Province, Lanzhou, Gansu 730000, P.R. China
| | - Keping Jiao
- Department of Respiratory Medicine, People's Hospital of Gansu Province, Lanzhou, Gansu 730000, P.R. China
| | - Jing Liu
- Department of Endocrine Medicine, People's Hospital of Gansu Province, Lanzhou, Gansu 730000, P.R. China
| | - Yu Xia
- Department of Internal Medicine, The First Hospital of Lanzhou University, Lanzhou, Gansu 730000, P.R. China
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Wang Y, Feng F, Liu M, Xue J, Huang H. Resveratrol ameliorates sepsis-induced acute kidney injury in a pediatric rat model via Nrf2 signaling pathway. Exp Ther Med 2018; 16:3233-3240. [PMID: 30214546 DOI: 10.3892/etm.2018.6533] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Accepted: 06/05/2017] [Indexed: 01/07/2023] Open
Abstract
Acute kidney injury (AKI) is a hyper-inflammation-induced abrupt loss of kidney function and has become a major public health problem. The cecal ligation and puncture (CLP) model of peritonitis in rat pups mimics the development of sepsis-induced pediatric AKI is pre-renal without morphological changes of the kidneys and high lethality. Resveratrol, a natural polyphenolic compound with low toxicity, has obvious anti-oxidant and anti-inflammatory properties. The present study aimed to determine whether resveratrol alleviates pediatric AKI and investigated the potential mechanism. Thus, a CLP model of 17-18 day-old rat pups was used to mimic the development of sepsis-induced AKI in children. In the group treated with resveratrol, renal injury induced by CLP was alleviated with downregulation of tumor necrosis factor (TNF)-α, interleukin (IL)-1β and kidney injury molecule (KIM)-1 expression. Nuclear factor-erythroid-2-related factor 2 (Nrf2) signaling is known to effectively inhibit inflammation, the present study found that resveratrol reduced the lipopolysaccharide-induced inflammatory response in kidney cells in vitro and induced the activation of Nrf2 signaling, including accumulation of nuclear Nrf2 and increase of the expression of Nrf2 target genes heme oxygenase (HO)-1 and NAD(P)H dehydrogenase (quinone) 1 (NQO1); this was confirmed by the induction of the expression of HO-1 and NQO1 by treatment of resveratrol in vitro and in vivo. Of note, knockdown of Nrf2 effectively abrogated the downregulation of TNF-α, IL-1β and KIM-1 expression induced by resveratrol in vitro. These results suggested that resveratrol ameliorates sepsis-induced acute kidney injury in a pediatric model of AKI via the Nrf2 signaling pathway.
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Affiliation(s)
- Yan Wang
- Department of Pediatrics, Ninth Hospital of Xi'an, Xi'an, Shaanxi 710054, P.R. China
| | - Fenling Feng
- Department of Pediatrics, Qikang Hospital of Chinese Traditional and Western Medicine, Xi'an, Shaanxi 710000, P.R. China
| | - Minna Liu
- Department of Pediatrics, Northwest Women and Children's Hospital, Xi'an, Shaanxi 710061, P.R. China
| | - Jiahong Xue
- Department of Pediatrics, The Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710000, P.R. China
| | - Huimei Huang
- Department of Pediatrics, Xi'an Children's Hospital, Xi'an, Shaanxi 710000, P.R. China
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Chedea VS, Vicaş SI, Sticozzi C, Pessina F, Frosini M, Maioli E, Valacchi G. Resveratrol: from diet to topical usage. Food Funct 2018; 8:3879-3892. [PMID: 29034918 DOI: 10.1039/c7fo01086a] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The stilbene derivative resveratrol (3,5,4'-trihydroxy-stilbene; RESV) has become the subject of interest of many researchers and the pharmaceutical industries due to its well-acclaimed beneficial biological activities. Although earlier research tended to focus on the effects of RESV on cardiovascular disorders, many other studies have described the beneficial effects of RESV in the areas of cancer chemoprevention and inflammation and interest of researchers on this compound is still increasing. It is now well accepted that the effect of RESV is not just due to its so called "antioxidant" activity but mainly (if not only) because of the ability of this compound to trigger cell signaling pathways and gene expression involved in cellular defense systems. Many "in vitro" studies on RESV did not take into account that although its oral absorption is about 75% it undergoes rapid metabolism and the concentration in the blood stream is almost undetectable. For this reason interest in the topical usage of RESV by cosmeceutical skin care brands has exponentially increased in the last decade reporting in general very promising results on its beneficial effect in protecting the skin from outdoor insults, but there is still some controversy on its topical usage mainly surrounding the concentration used. Therefore, more basic research on the topical application of RESV should be performed to better understand the way it prevents cutaneous damage and whether it could be recommended as a preventive skin aging agent for all skin insults.
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Affiliation(s)
- Veronica Sanda Chedea
- Laboratory of Animal Biology, National Research and Development Institute for Biology and Animal Nutrition, Baloteşti (INCDBNA-IBNA), Calea Bucureşti nr. 1, Balotesti, Ilfov 077015, Romania.
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Synergistic Promotion on Tyrosinase Inhibition by Antioxidants. Molecules 2018; 23:molecules23010106. [PMID: 29300356 PMCID: PMC6017046 DOI: 10.3390/molecules23010106] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Revised: 12/31/2017] [Accepted: 01/02/2018] [Indexed: 01/01/2023] Open
Abstract
When exposed to ultraviolet radiation, the human skin produces profuse reactive oxygen species (ROS), which in turn activate a variety of biological responses. Mounting ROS levels activate tyrosinase by mobilizing α-melanocyte-stimulating hormone in the epidermis and finally stimulates the melanocytes to produce melanin. Meanwhile, the Keap1-Nrf2/ARE pathway, which removes ROS, is activated at increased ROS levels, and antioxidant compounds facilitates the dissociation of Nrf2. In this study, we explored the possible suppressing effects of antioxidant compounds and tyrosine inhibitors on melanin formation and the promotory effects of these compounds on ROS scavenging. The antioxidant activity of glabridin (GLA), resveratrol (RES), oxyresveratrol (OXYR), and phenylethylresorcinol (PR) were investigated via the stable free radical 2,2-diphenyl-1-picrylhydrazyl method. The inhibitory effects of the four compounds and their mixtures on tyrosinase were evaluated. l-Tyrosine or 3-(3,4-dihydroxyphenyl)-l-alanine (l-DOPA) was used as a substrate. The results showed that all mixtures did not exhibit synergistic effects with the l-tyrosine as a substrate, suggesting that l-tyrosine is not suitable as a substrate. However, the mixtures of “GLA:RES,” “GLA:OXYR,” “OXYR:RES,” and “PR:RES” demonstrated synergistic effects (CI < 0.9, p < 0.05), whereas “GLA:RES” and “PR:OXYR” indicated an additive effect (0.9 ditive1, p < 0.05). Furthermore, we used a molecular docking strategy to study the interactions of the four compounds with tyrosinase and l-DOPA. The molecular docking result is consistent with that of the experiment. Finally, we selected RES + OXYR and used PIG1 cells to verify whether OXYR synergistically promotes RES activity on tyrosinase. The two agents had a synergistic inhibitory effect on tyrosinase activity. These results provided a novel synergistic strategy for antioxidants and tyrosinase inhibitors, and this strategy is useful in skin injury treatment.
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Rong J, Shan C, Liu S, Zheng H, Liu C, Liu M, Jin F, Wang L. Skin resistance to UVB-induced oxidative stress and hyperpigmentation by the topical use of Lactobacillus helveticus NS8-fermented milk supernatant. J Appl Microbiol 2017; 123:511-523. [PMID: 28598022 DOI: 10.1111/jam.13506] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 03/31/2017] [Accepted: 05/11/2017] [Indexed: 01/29/2023]
Abstract
AIMS In this study, we investigated the preventive properties of the supernatant of Lactobacillus helveticus NS8-fermented milk (NS8-FS) against UV light-induced skin oxidative damage and hyperpigmentation. METHODS AND RESULTS NS8-FS exhibited significant radical scavenging activity in tests with ABST+ and DPPH scavenging methods, and as well strongly inhibited 3-morpholinosydnonimine (Sin-1)-induced ROS generation in HaCat keratinocytes. Unexpectedly, NS8-FS was found to inhibit melanin production in B16F10 melanoma cells and to exhibit inhibitory effects both to the enzymatic activity of tyrosinase (TYR) and the expression of proteins required for melanin synthesis. In SKH-1 hairless mice, topical application of NS8-FS alleviated UVB-induced skin photodamage, including the improvement of the appearance of epidermal thickness, transepidennal water loss and lipid peroxidation levels. In the tanning guinea pig model, the whitening effect of NS8-FS was demonstrated using Masson-Fontana staining and TYR staining. Furthermore, NS8-FS was shown to stimulate the nuclear translocation and activation of the Nrf2 protein, along with recovery of antioxidant enzyme activities. CONCLUSION NS8-FS exhibits the protective capacities against UV light-induced skin oxidative damage and hyperpigmentation. SIGNIFICANCE AND IMPACT OF THE STUDY Our findings indicate the potential of cell-free fermented products of lactic acid bacteria in topical photoprotection.
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Affiliation(s)
- J Rong
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Institute of Ageing Research, School of Medicine, Hangzhou Normal University, Hangzhou, China
| | - C Shan
- Institute of Ageing Research, School of Medicine, Hangzhou Normal University, Hangzhou, China
| | - S Liu
- Institute of Ageing Research, School of Medicine, Hangzhou Normal University, Hangzhou, China
| | - H Zheng
- Institute of Ageing Research, School of Medicine, Hangzhou Normal University, Hangzhou, China
| | - C Liu
- Institute of Ageing Research, School of Medicine, Hangzhou Normal University, Hangzhou, China
| | - M Liu
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China.,University of the Chinese Academy of Sciences, Beijing, China
| | - F Jin
- Key Lab of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
| | - L Wang
- Institute of Ageing Research, School of Medicine, Hangzhou Normal University, Hangzhou, China
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Danielli NM, Trevisan R, Mello DF, Fischer K, Deconto VS, Bianchini A, Bainy ACD, Dafre AL. Contrasting effects of a classic Nrf2 activator, tert-butylhydroquinone, on the glutathione-related antioxidant defenses in Pacific oysters, Crassostrea gigas. MARINE ENVIRONMENTAL RESEARCH 2017; 130:142-149. [PMID: 28764960 DOI: 10.1016/j.marenvres.2017.07.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2017] [Revised: 07/19/2017] [Accepted: 07/20/2017] [Indexed: 06/07/2023]
Abstract
Nrf2 is a well-known transcription factor controlling a number of antioxidant defense-related genes, which is understudied in bivalves. In this study, oysters Crassostrea gigas were exposed for 24, 48 and 96 h to 10 or 30 μM tert-butylhydroquinone (tBHQ), a classic Nrf2 activator. At 96 h, a clear induction of GSH-related antioxidant defenses was observed in gills of tBHQ-exposed animals, including GSH, glutathione S-transferase (GST), glutathione peroxidase (GPx) and glutathione reductase (GR). Unexpectedly, the activities of GST, GPx and GR were significantly decreased 24 h after tBHQ treatment, suggesting a possible inhibition, which was supported by in vitro experiments. GR mRNA (24 h) and protein levels (24 and 96 h) were increased by tBHQ treatment, confirming its induction, possibly by the Nrf2 pathway. The conserved domains at C. gigas Keap1 and Nrf2 proteins and the clear induction of GSH-related antioxidant defenses by tBHQ, a classical Nrf2 inducer, support the idea of a functional Nrf2/Keap1 pathway in bivalves. tBHQ also proved to be a tool to explore redox regulatory mechanisms in bivalves.
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Affiliation(s)
- Naissa Maria Danielli
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil.
| | - Rafael Trevisan
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil
| | - Danielle Ferraz Mello
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil
| | - Kelvis Fischer
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil
| | - Vanessa Schadeck Deconto
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil
| | - Adalto Bianchini
- Institute of Biological Sciences, Federal University of Rio Grande, 96203-900 Rio Grande, RS, Brazil
| | - Afonso Celso Dias Bainy
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil
| | - Alcir Luiz Dafre
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, SC, Brazil.
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Joko S, Watanabe M, Fuda H, Takeda S, Furukawa T, Hui SP, Shrestha R, Chiba H. Comparison of chemical structures and cytoprotection abilities between direct and indirect antioxidants. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.05.039] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Sun S, Zhang M, Yang Q, Shen Z, Chen J, Yu B, Wang H, Qu J, Pang D, Ren W, Ouyang H, Tang X. Resveratrol suppresses lipoprotein-associated phospholipase A2
expression by reducing oxidative stress in macrophages and animal models. Mol Nutr Food Res 2017; 61. [DOI: 10.1002/mnfr.201601112] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Revised: 06/04/2017] [Accepted: 06/06/2017] [Indexed: 12/12/2022]
Affiliation(s)
- Shengnan Sun
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Mingjun Zhang
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Qiangbing Yang
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Ziying Shen
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Jiahuan Chen
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Biao Yu
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - He Wang
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Jiali Qu
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Daxin Pang
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Wenzhi Ren
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Hongsheng Ouyang
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
| | - Xiaochun Tang
- Jilin Provincial Model Animal Engineering Research Center; College of Animal Sciences,; Jilin University; Changchun China
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Zhang B, Dong JL, Chen YL, Liu Y, Huang SS, Zhong XL, Cheng YH, Wang ZG. Nrf2 mediates the protective effects of homocysteine by increasing the levels of GSH content in HepG2 cells. Mol Med Rep 2017; 16:597-602. [PMID: 28560453 PMCID: PMC5482120 DOI: 10.3892/mmr.2017.6633] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Accepted: 03/14/2017] [Indexed: 02/06/2023] Open
Abstract
Homocysteine (Hcy) and glutathione (GSH) are crucial reduction-oxidation mediators. The underlying mechanisms governing the effects of Hcy on GSH generation in the progression of alcoholic liver disease has so far received little attention. The present study hypothesized that the antioxidant transcriptional factor nuclear factor (erythroid-derived 2)-like 2 (Nrf2) may participate in Hcy-mediated regulation of GSH production in HepG2 human liver cancer cells. MTT assay was used to study the cytotoxicity of homocysteine, western blot analysis and immunofluorescence staining were used to determine the effect of Hcy on Nrf2 expression. Our data demonstrated that HepG2 cells exposed to exogenous levels of Hcy (0–100 µM) exhibited elevated GSH levels in a concentration-dependent manner. Furthermore, 4-hydroxynonenal (4-HNE)-induced cell injury was attenuated by Hcy; however, this protective effect was blocked by the GSH-production inhibitor buthionine sulfoximine. Hcy treatment was able to induce Nrf2 protein expression in HepG2 cells. Treatment with the Nrf2 activator tert-butylhydroquinone (0–100 µM) increased GSH expression in a concentration-dependent manner; however, Nrf2-siRNA abolished the Hcy-induced increase in GSH expression and cellular protection in 4-HNE-stressed HepG2 cells. In conclusion, the antioxidant transcriptional factor Nrf2 was demonstrated to mediate the Hcy-induced increase in GSH expression levels and cellular protection in HepG2 cells.
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Affiliation(s)
- Bing Zhang
- College of Medical Laboratory Science and Technology, Harbin Medical University at Daqing, Daqing, Heilongjiang 163319, P.R. China
| | - Jing-Lin Dong
- Daqing Oilfield General Hospital, Daqing, Heilongjiang 163001, P.R. China
| | - Ying-Li Chen
- College of Medical Laboratory Science and Technology, Harbin Medical University at Daqing, Daqing, Heilongjiang 163319, P.R. China
| | - Yang Liu
- College of Medical Laboratory Science and Technology, Harbin Medical University at Daqing, Daqing, Heilongjiang 163319, P.R. China
| | - Shi-Shun Huang
- College of Medical Laboratory Science and Technology, Harbin Medical University at Daqing, Daqing, Heilongjiang 163319, P.R. China
| | - Xiu-Li Zhong
- College of Medical Laboratory Science and Technology, Harbin Medical University at Daqing, Daqing, Heilongjiang 163319, P.R. China
| | - Yu-Hong Cheng
- Inspection Department, Daqing Medical College, Daqing, Heilongjiang 163311, P.R. China
| | - Zhi-Gang Wang
- College of Medical Laboratory Science and Technology, Harbin Medical University at Daqing, Daqing, Heilongjiang 163319, P.R. China
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Danielli NM, Trevisan R, Mello DF, Fischer K, Deconto VS, da Silva Acosta D, Bianchini A, Bainy ACD, Dafre AL. Upregulating Nrf2-dependent antioxidant defenses in Pacific oysters Crassostrea gigas: Investigating the Nrf2/Keap1 pathway in bivalves. Comp Biochem Physiol C Toxicol Pharmacol 2017; 195:16-26. [PMID: 28216009 DOI: 10.1016/j.cbpc.2017.02.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2016] [Revised: 02/09/2017] [Accepted: 02/09/2017] [Indexed: 01/28/2023]
Abstract
Analysis of the Pacific oyster Crassostrea gigas annotated genome revealed genes with conserved sequences belonging to typical cap 'n' collar Nrf2 domain, a major player in antioxidant protection, and domains belonging to Nrf2 cytoplasmic repressor (Keap1), but little is known about Nrf2/Keap1 induction in bivalves. C. gigas were exposed to waterborne 10 and 30μM curcumin, a known inducer of the mammalian Nrf2. Curcumin disappeared from the seawater after 10h, and accumulated in the gills (10h) and digestive gland (10-96h). A clear induction of glutathione (GSH)-related antioxidant defenses was observed at 96h in the gills of curcumin exposed animals (10 and 30μM), including GSH levels, and the activity of glutathione reductase (GR), glutathione peroxidase (GPx), and glutathione S-transferase (GST). This response was completely absent in the digestive gland, in line with the idea that bivalve gills act as a major site for antioxidant protection under acute exposure. The relative mRNA levels coding glutamate-cysteine ligase, GR, GPx2 and GSTpi were clearly induced by curcumin treatment (30μM, 24h). Curcumin pre-treatment for 96h increased oyster resistance to cumene hydroperoxide, but neither Nrf2 nor Keap1 genes were modulated by curcumin. However, the conserved sequences belonging to typical Nrf2 and Keap1 domains, and the notorious induction of antioxidant defense-related genes known to be controlled by Nrf2 in mammals, indicates a functional Nrf2/Keap1 pathway in bivalves, and curcumin seems to be a new tool to investigate the antioxidant response in bivalves.
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Affiliation(s)
- Naissa Maria Danielli
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, Brazil.
| | - Rafael Trevisan
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, Brazil
| | - Danielle Ferraz Mello
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, Brazil
| | - Kelvis Fischer
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, Brazil
| | - Vanessa Schadeck Deconto
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, Brazil
| | - Daiane da Silva Acosta
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, Brazil
| | - Adalto Bianchini
- Institute of Biological Sciences, Federal University of Rio Grande, 96203-900 Rio Grande, RS, Brazil
| | - Afonso Celso Dias Bainy
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, Brazil
| | - Alcir Luiz Dafre
- Department of Biochemistry, Federal University of Santa Catarina, 88040-900 Florianópolis, Brazil.
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Plasch K, Resch V, Hitce J, Popłoński J, Faber K, Glueck SM. Regioselective Enzymatic Carboxylation of Bioactive (Poly)phenols. Adv Synth Catal 2017; 359:959-965. [PMID: 28450825 PMCID: PMC5396361 DOI: 10.1002/adsc.201601046] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 11/21/2016] [Indexed: 11/07/2022]
Abstract
In order to extend the applicability of the regioselective enzymatic carboxylation of phenols, the substrate scope of o-benzoic acid (de)carboxylases has been investigated towards complex molecules with an emphasis on flavouring agents and polyphenols possessing antioxidant properties. o-Hydroxycarboxylic acid products were obtained with perfect regioselectivity, in moderate to excellent yields. The applicability of this method was proven by the regioselective bio-carboxylation of resveratrol on a preparative scale with 95% yield.
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Affiliation(s)
- Katharina Plasch
- Department of Chemistry, Organic & Bioorganic ChemistryUniversity of GrazHeinrichstrasse 28A-8010GrazAustria
| | - Verena Resch
- Department of Chemistry, Organic & Bioorganic ChemistryUniversity of GrazHeinrichstrasse 28A-8010GrazAustria
| | - Julien Hitce
- L'Oréal Research & Innovation30 bis rue Maurice Berteaux95500Le ThillayFrance
| | - Jarosław Popłoński
- Department of ChemistryWrocław University of Environmental and Life Sciencesul. C. K. Norwida 2550-375WrocławPoland
| | - Kurt Faber
- Department of Chemistry, Organic & Bioorganic ChemistryUniversity of GrazHeinrichstrasse 28A-8010GrazAustria
| | - Silvia M. Glueck
- Department of Chemistry, Organic & Bioorganic ChemistryUniversity of GrazHeinrichstrasse 28A-8010GrazAustria
- Austrian Centre of Industrial Biotechnology (ACIB)University of GrazHeinrichstrasse 28A-8010GrazAustria
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