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Culletta G, Buttari B, Arese M, Brogi S, Almerico AM, Saso L, Tutone M. Natural products as non-covalent and covalent modulators of the KEAP1/NRF2 pathway exerting antioxidant effects. Eur J Med Chem 2024; 270:116355. [PMID: 38555855 DOI: 10.1016/j.ejmech.2024.116355] [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: 01/16/2024] [Revised: 03/11/2024] [Accepted: 03/21/2024] [Indexed: 04/02/2024]
Abstract
By controlling several antioxidant and detoxifying genes at the transcriptional level, including NAD(P)H quinone oxidoreductase 1 (NQO1), multidrug resistance-associated proteins (MRPs), UDP-glucuronosyltransferase (UGT), glutamate-cysteine ligase catalytic (GCLC) and modifier (GCLM) subunits, glutathione S-transferase (GST), sulfiredoxin1 (SRXN1), and heme-oxygenase-1 (HMOX1), the KEAP1/NRF2 pathway plays a crucial role in the oxidative stress response. Accordingly, the discovery of modulators of this pathway, activating cellular signaling through NRF2, and targeting the antioxidant response element (ARE) genes is pivotal for the development of effective antioxidant agents. In this context, natural products could represent promising drug candidates for supplementation to provide antioxidant capacity to human cells. In recent decades, by coupling in silico and experimental methods, several natural products have been characterized to exert antioxidant effects by targeting the KEAP1/NRF2 pathway. In this review article, we analyze several natural products that were investigated experimentally and in silico for their ability to modulate KEAP1/NRF2 by non-covalent and covalent mechanisms. These latter represent the two main sections of this article. For each class of inhibitors, we reviewed their antioxidant effects and potential therapeutic applications, and where possible, we analyzed the structure-activity relationship (SAR). Moreover, the main computational techniques used for the most promising identified compounds are detailed in this survey, providing an updated view on the development of natural products as antioxidant agents.
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Affiliation(s)
- Giulia Culletta
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università Degli Studi di Palermo, Via Archirafi 32, 90123, Palermo, Italy
| | - Brigitta Buttari
- Department of Cardiovascular, Endocrine-metabolic Diseases, and Aging, Italian National Institute of Health, 00161, Rome, Italy
| | - Marzia Arese
- Department of Biochemical Sciences "A. Rossi Fanelli", Sapienza University of Rome, 00185, Rome, Italy
| | - Simone Brogi
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy; Bioinformatics Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, 81746-73461, Iran.
| | - Anna Maria Almerico
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università Degli Studi di Palermo, Via Archirafi 32, 90123, Palermo, Italy
| | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University of Rome, P.Le Aldo Moro 5, 00185, Rome, Italy
| | - Marco Tutone
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università Degli Studi di Palermo, Via Archirafi 32, 90123, Palermo, Italy.
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Liu J, He J, Liao Z, Chen X, Ye Y, Pang Q, Fan R. Environmental dose of 16 priority-controlled PAHs induce endothelial dysfunction: An in vivo and in vitro study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 919:170711. [PMID: 38340817 DOI: 10.1016/j.scitotenv.2024.170711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 12/24/2023] [Accepted: 02/03/2024] [Indexed: 02/12/2024]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) exposure is related to the occurrence of cardiovascular diseases (CVDs). Endothelial dysfunction is considered an initial event of CVDs. To confirm the relationship of PAHs exposure with endothelial dysfunction, 8-week-old male SD rats and primary human umbilical vein endothelial cells (HUVECs) were co-treated with environmental doses of 16 priority-controlled PAHs for 90 d and 48 h, respectively. Results showed that 10× PAHs exposure remarkably raised tumor necrosis factor-α and malonaldehyde levels in rat serum (p < 0.05), but had no effects on interleukin-8 levels and superoxide dismutase activity. The expressions of SIRT1 in HUVECs and rat aorta were attenuated after PAHs treatment. Interestingly, PAHs exposure did not activate the expression of total endothelial nitric oxide synthase (eNOS), but 10× PAHs exposure significantly elevated the expression of phosphorylated eNOS (Ser1177) in HUVECs and repressed it in aortas, accompanied with raised nitrite level both in serum and HUVECs by 48.50-253.70 %. PAHs exposure also led to the augment of endothelin-1 (ET-1) levels by 19.76-38.54 %, angiotensin (Ang II) levels by 20.09-39.69 % in HUVECs, but had no effects on ET-1 and Ang II levels in serum. Additionally, PAHs exposure improved endocan levels both in HUVECs and serum by 305.05-620.48 % and stimulated the THP-1 cells adhered to HUVECs (p < 0.05). After PAHs treatment, the smooth muscle alignment was disordered and the vascular smooth muscle locally proliferated in rat aorta. Notably, the systolic blood pressure of rats exposed to 10× PAHs increased significantly compared with the control ones (131.28 ± 5.20 vs 116.75 ± 5.33 mmHg). In summary, environmental chronic PAHs exposure may result in endothelial dysfunction in SD rats and primary HUVECs. Our research can confirm the cardiovascular damage caused by chronic exposure to PAHs and provide ideas for the prevention or intervention of CVDs affected by environmental factors.
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Affiliation(s)
- Jian Liu
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Jiaying He
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Zengquan Liao
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Xiaolin Chen
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Yufeng Ye
- Medical Imaging Institute of Panyu, Guangzhou 511486, China
| | - Qihua Pang
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Ruifang Fan
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Engineering Technology Research Center for Drug and Food Biological Resources Processing and Comprehensive Utilization, School of Life Sciences, South China Normal University, Guangzhou 510631, China.
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Fuentes-Quiroz A, Herrera H, Alvarado R, Rabert C, Arriagada C, Valadares RBDS. Functional differences of cultivable leaf-associated microorganisms in the native Andean tree Gevuina avellana Mol. (Proteaceae) exposed to atmospheric contamination. J Appl Microbiol 2024; 135:lxae041. [PMID: 38364303 DOI: 10.1093/jambio/lxae041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 02/06/2024] [Accepted: 02/12/2024] [Indexed: 02/18/2024]
Abstract
AIMS This study aimed to evaluate and describe the functional differences of cultivable bacteria and fungi inhabiting the leaves of Gevuina avellana Mol. (Proteaceae) in an urban area with high levels of air pollution and in a native forest in the southern Andes. METHODS AND RESULTS Phyllosphere microorganisms were isolated from the leaves of G. avellana, their plant growth-promoting capabilities were estimated along with their biocontrol potential and tolerance to metal(loid)s. Notably, plants from the urban area showed contrasting culturable leaf-associated microorganisms compared to those from the native area. The tolerance to metal(loid)s in bacteria range from 15 to 450 mg l-1 of metal(loid)s, while fungal strains showed tolerance from 15 to 625 mg l-1, being especially higher in the isolates from the urban area. Notably, the bacterial strain Curtobacterium flaccumfaciens and the fungal strain Cladosporium sp. exhibited several plant-growth-promoting properties along with the ability to inhibit the growth of phytopathogenic fungi. CONCLUSIONS Overall, our study provides evidence that culturable taxa in G. avellana leaves is directly influenced by the sampling area. This change is likely due to the presence of atmospheric pollutants and diverse microbial symbionts that can be horizontally acquired from the environment.
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Affiliation(s)
- Alejandra Fuentes-Quiroz
- Laboratorio de Silvicultura, Departamento de Ciencias Forestales, Facultad de Ciencias Agropecuarias y Medioambiente, Universidad de La Frontera, Temuco 4811230, Chile
| | - Héctor Herrera
- Laboratorio de Silvicultura, Departamento de Ciencias Forestales, Facultad de Ciencias Agropecuarias y Medioambiente, Universidad de La Frontera, Temuco 4811230, Chile
| | - Roxana Alvarado
- Laboratorio de Silvicultura, Departamento de Ciencias Forestales, Facultad de Ciencias Agropecuarias y Medioambiente, Universidad de La Frontera, Temuco 4811230, Chile
| | - Claudia Rabert
- Instituto de Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Avenida Alemania 01090, Temuco, Chile
| | - Cesar Arriagada
- Laboratorio de Biorremediación, Departamento de Ciencias Forestales, Universidad de La Frontera, Temuco 4811230, Chile
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Jiang Y, Li X, Zhang Y, Wu B, Li Y, Tian L, Sun J, Bai W. Mechanism of action of anthocyanin on the detoxification of foodborne contaminants-A review of recent literature. Compr Rev Food Sci Food Saf 2024; 23:e13259. [PMID: 38284614 DOI: 10.1111/1541-4337.13259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/09/2023] [Accepted: 10/13/2023] [Indexed: 01/30/2024]
Abstract
Foodborne contaminants refer to substances that are present in food and threaten food safety. Due to the progress in detection technology and the rising concerns regarding public health, there has been a surge in research focusing on the dangers posed by foodborne contaminants. These studies aim to explore and implement strategies that are both safe and efficient in mitigating the associated risks. Anthocyanins, a class of flavonoids, are abundantly present in various plant species, such as blueberries, grapes, purple sweet potatoes, cherries, mulberries, and others. Numerous epidemiological and nutritional intervention studies have provided evidence indicating that the consumption of anthocyanins through dietary intake offers a range of protective effects against the detrimental impact of foodborne contaminants. The present study aims to differentiate between two distinct subclasses of foodborne contaminants: those that are generated during the processing of food and those that originate from the surrounding environment. Furthermore, the impact of anthocyanins on foodborne contaminants was also summarized based on a review of articles published within the last 10 years. However, further investigation is warranted regarding the mechanism by which anthocyanins target foodborne contaminants, as well as the potential impact of individual variations in response. Additionally, it is important to note that there is currently a dearth of clinical research examining the efficacy of anthocyanins as an intervention for mitigating the effects of foodborne pollutants. Thus, by exploring the detoxification effect and mechanism of anthocyanins on foodborne pollutants, this review thereby provides evidence, supporting the utilization of anthocyanin-rich diets as a means to mitigate the detrimental effects of foodborne contaminants.
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Affiliation(s)
- Yan Jiang
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou, PR China
| | - Xusheng Li
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou, PR China
- The Sixth Affiliated Hospital, Jinan University, Dongguan, PR China
| | - Yulin Zhang
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou, PR China
| | - Biyu Wu
- Department of Human Nutrition, Food, and Animal Sciences, University of Hawaii at Manoa, Honolulu, Hawaii, USA
| | - Yuxi Li
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou, PR China
| | - Lingmin Tian
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou, PR China
| | - Jianxia Sun
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, PR China
| | - Weibin Bai
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou, PR China
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Bocsan IC, Măgureanu DC, Pop RM, Levai AM, Macovei ȘO, Pătrașca IM, Chedea VS, Buzoianu AD. Antioxidant and Anti-Inflammatory Actions of Polyphenols from Red and White Grape Pomace in Ischemic Heart Diseases. Biomedicines 2022; 10:biomedicines10102337. [PMID: 36289599 PMCID: PMC9598344 DOI: 10.3390/biomedicines10102337] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/02/2022] [Accepted: 09/13/2022] [Indexed: 11/16/2022] Open
Abstract
Grape pomace (GP) represents a very reliable source of polyphenols because it could be found globally as a remnant of the wine industry. During the winemaking process, two types of GP are generated: red GP and white GP, according to the produced wine, red or white. Grape pomace represents a viable source of polyphenols, mainly flavanols, procyanidins anthocyanins, and resveratrol which possess antioxidant and anti-inflammatory activities. Multiple differences were observed between red and white GP in terms of their antioxidant and anti-inflammatory activity in both in vitro and in vivo studies. Although most studies are focused on the antioxidant and anti-inflammatory effect of red grape pomace, there are still many variables that need to be taken into consideration, as well as extensive study of the white GP. It was observed that in both in vitro and in vivo studies, the GP polyphenols have a direct antioxidant activity by acting as a free radical scavenger or donating a hydrogen atom. It also possesses an indirect antioxidant and anti-inflammatory activity by reducing mitochondrial reactive oxygen species (ROS) generation, malondialdehyde (MDA), tumor necrosis factor-alpha (TNF-α), interleukin-1-beta (IL-1β), interleukin-6 (IL-6), nuclear factor kappa-light-chain-enhancer of activated B cells (NF- κβ), and inhibitor of nuclear factor kappa-B kinase subunit beta (Iκκβ) levels or nitrate oxide-4 (NOX4) expression and by increasing the levels of antioxidants enzymes like superoxide dismutase (SOD), catalase (CAT) glutathione reductase (GRx) and glutathione peroxidase(GPx). Besides these activities, many beneficial effects in ischemic heart diseases were also observed, such as the maintenance of the ventricular function as close as possible to normal, and the prevention of infarcted area extension. In this context, this review intends to present the actual knowledge of grape pomace’s potential antioxidant and anti-inflammatory activity in ischemic heart disease, knowledge gathered from existing in vitro and in vivo studies focused on this.
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Affiliation(s)
- Ioana Corina Bocsan
- Faculty of Medicine, Department of Pharmacology, Toxicology and Clinical Pharmacology, “Iuliu Hatieganu” University of Medicine and Pharmacy, No. 23, Marinescu Street, 400012 Cluj Napoca, Romania
| | - Dan Claudiu Măgureanu
- Faculty of Medicine, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400012 Cluj Napoca, Romania
| | - Raluca Maria Pop
- Faculty of Medicine, Department of Pharmacology, Toxicology and Clinical Pharmacology, “Iuliu Hatieganu” University of Medicine and Pharmacy, No. 23, Marinescu Street, 400012 Cluj Napoca, Romania
- Correspondence:
| | - Antonia Mihaela Levai
- Faculty of Medicine, Department Mother and Child, “Iuliu Hatieganu” University of Medicine and Pharmacy, No. 3-5, Clinicilor Street, 400012 Cluj Napoca, Romania
| | - Ștefan Octavian Macovei
- Faculty of Medicine, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400012 Cluj Napoca, Romania
| | - Ioana Maria Pătrașca
- Faculty of Medicine, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400012 Cluj Napoca, Romania
| | - Veronica Sanda Chedea
- Research Station for Viticulture and Enology Blaj (SCDVV Blaj), 515400 Blaj, Romania
| | - Anca Dana Buzoianu
- Faculty of Medicine, Department of Pharmacology, Toxicology and Clinical Pharmacology, “Iuliu Hatieganu” University of Medicine and Pharmacy, No. 23, Marinescu Street, 400012 Cluj Napoca, Romania
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Winemaking by-products as a source of phenolic compounds: Comparative study of dehydration processes. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Herrera-Bravo J, Beltrán JF, Huard N, Saavedra K, Saavedra N, Alvear M, Lanas F, Salazar LA. Anthocyanins Found in Pinot Noir Waste Induce Target Genes Related to the Nrf2 Signalling in Endothelial Cells. Antioxidants (Basel) 2022; 11:antiox11071239. [PMID: 35883728 PMCID: PMC9311808 DOI: 10.3390/antiox11071239] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/15/2022] [Accepted: 06/15/2022] [Indexed: 01/09/2023] Open
Abstract
Grape pomace is a source of anthocyanins, which can prevent cardiovascular diseases due to their antioxidant properties. Anthocyanin activity is associated with the ability to regulate oxidative stress through the transcription factor Nrf2. Thus, the present study aimed to evaluate if the anthocyanins found in Pinot noir pomace extract can affect the target genes related to the Nrf2 signalling pathway in endothelial cells. Our results highlight that the predominant anthocyanin in the Pinot noir pomace extract was malvidin-3-glucoside (3.7 ± 2.7 Eq. Malv-3-glu/kg). Molecular docking indicated that cyanidin-3-glucoside (-6.9 kcal/mol), malvidin-3-glucoside (-6.6 kcal/mol) and peonidin-3-glucoside (-6.6 kcal/mol) showed the highest affinities for the binding sites of the BTB domains in Keap1, suggesting that these components may modify the interaction of this protein with Nrf2. In addition, when HUVEC cells were exposed to different concentrations of Pinot noir pomace extract (100 µg/mL, 200 µg/mL, and 400 µg/mL), no changes in Nrf2 gene expression were observed. However, the gene expression of HO-1 and NQO1, which are in the signalling pathway of this transcription factor, increased according the concentrations of the extract (p = 0.0004 and p = 0.0084, respectively). In summary, our results show that anthocyanins play a very important role in Nrf2 activation and release, while at the same time not promoting its transcription. These preliminary results strongly suggest that the Pinot noir pomace extract can serve as a potent bioactive component source that protects cells against oxidative stress.
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Affiliation(s)
- Jesús Herrera-Bravo
- Center of Molecular Biology and Pharmacogenetics, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile; (J.H.-B.); (N.H.); (K.S.); (N.S.); (F.L.)
- Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad Santo Tomas, Temuco 4700000, Chile
| | - Jorge F. Beltrán
- Department of Chemical Engineering, Faculty of Engineering and Sciences, Universidad de La Frontera, Temuco 4811230, Chile;
| | - Nolberto Huard
- Center of Molecular Biology and Pharmacogenetics, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile; (J.H.-B.); (N.H.); (K.S.); (N.S.); (F.L.)
| | - Kathleen Saavedra
- Center of Molecular Biology and Pharmacogenetics, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile; (J.H.-B.); (N.H.); (K.S.); (N.S.); (F.L.)
| | - Nicolás Saavedra
- Center of Molecular Biology and Pharmacogenetics, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile; (J.H.-B.); (N.H.); (K.S.); (N.S.); (F.L.)
| | - Marysol Alvear
- Department of Chemical Sciences and Natural Resources, Faculty of Engineering and Sciences, Universidad de La Frontera, Temuco 4811230, Chile;
| | - Fernando Lanas
- Center of Molecular Biology and Pharmacogenetics, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile; (J.H.-B.); (N.H.); (K.S.); (N.S.); (F.L.)
- Department of Internal Medicine, Faculty of Medicine, Universidad de La Frontera, Temuco 4700000, Chile
| | - Luis A. Salazar
- Center of Molecular Biology and Pharmacogenetics, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile; (J.H.-B.); (N.H.); (K.S.); (N.S.); (F.L.)
- Correspondence:
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Su CH, Chen SP, Chen LY, Yang JJ, Lee YC, Lee SS, Chen HH, Ng YY, Kuan YH. 3-Bromofluoranthene-induced cardiotoxicity of zebrafish and apoptosis in the vascular endothelial cells via intrinsic and extrinsic caspase-dependent pathways. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 228:112962. [PMID: 34775346 DOI: 10.1016/j.ecoenv.2021.112962] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 10/28/2021] [Accepted: 10/31/2021] [Indexed: 06/13/2023]
Abstract
Fluoranthene, a high-molecular-weight polycyclic aromatic hydrocarbon (PAH), is widely present in air pollutants, including fine inhalable particulate matter. 3-Bromofluoranthene (3-BrFlu), which is a brominated fluoranthene and halogenated PAH, is generated from waste combustion, metallurgical processes, cement production, e-waste dismantling, and photoreaction. Vascular endothelial cells have key functions in the homeostasis and the development of the cardiovascular system. The zebrafish model has been widely employed to study cardiotoxicity and embryotoxicity. However, no evidence has indicated that 3-BrFlu induces cytotoxicity in vascular endothelial cells, or cardiotoxicity and embryotoxicity in zebrafish. In this study, 3-BrFlu induced concentration-dependent changes in embryo- and cardiotoxicity. Cytotoxicity was also induced by 3-BrFlu in a concentration-dependent manner through apoptosis and necrosis in vascular endothelial cells, SVEC4-10 cells. The activities of caspase-3, -8, and -9 were induced by 3-BrFlu via an intrinsic pathway constituting Bcl-2 downregulation, Bad upregulation, and mitochondrial dysfunction; the extrinsic pathway included the expression of death receptors, including tumour necrosis factor α and Fas receptors. These results indicated that 3-BrFlu caused cardio- and embryotoxicity in zebrafish through vascular endothelial cells cytotoxicity resulting from caspase-dependent apoptosis through intrinsic and extrinsic pathways.
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Affiliation(s)
- Chun-Hung Su
- Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan, ROC; Department of Internal Medicine, School of Medicine, Chung Shan Medical University, Taichung, Taiwan, ROC; Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan, ROC
| | - Shih-Pin Chen
- Department of Internal Medicine, School of Medicine, Chung Shan Medical University, Taichung, Taiwan, ROC; Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan, ROC
| | - Li-You Chen
- Department of Anatomy, School of Medicine, College of Medicine, Chung Shan Medical University, Taichung, Taiwan, ROC; Department of Medical Education, Chung Shan Medical University Hospital, Taichung, Taiwan, ROC
| | - Jiann-Jou Yang
- Department of BioMedical Sciences, Chung Shan Medical University, Taichung, Taiwan, ROC; Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan, ROC
| | - Yi-Chia Lee
- Department of Pharmacology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan, ROC; Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan, ROC
| | - Shiuan-Shinn Lee
- School of Public Health, Chung Shan Medical University, Taichung, Taiwan, ROC
| | - Hsin-Hung Chen
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Asia University Hospital, Taichung, Taiwan, ROC; School of Medicine, Institute of Medicine and public health, Chung Shan Medical University, Taichung, Taiwan, ROC; Chung Sheng Clinic, Nantou, Taiwan, ROC
| | - Yan-Yan Ng
- Department of Pediatric, Chung Kang branch, Cheng Ching Hospital, Taichung City, Taiwan, ROC
| | - Yu-Hsiang Kuan
- Department of Pharmacology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan, ROC; Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan, ROC.
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Chiavaroli A, Balaha M, Acquaviva A, Ferrante C, Cataldi A, Menghini L, Rapino M, Orlando G, Brunetti L, Leone S, Recinella L, di Giacomo V. Phenolic Characterization and Neuroprotective Properties of Grape Pomace Extracts. Molecules 2021; 26:molecules26206216. [PMID: 34684793 PMCID: PMC8540556 DOI: 10.3390/molecules26206216] [Citation(s) in RCA: 15] [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: 08/08/2021] [Revised: 09/30/2021] [Accepted: 10/11/2021] [Indexed: 12/19/2022] Open
Abstract
Vitis vinifera (grape) contains various compounds with acknowledged phytochemical and pharmacological properties. Among the different parts of the plant, pomace is of particular interest as a winemaking industry by-product. A characterization of the water extract from grape pomace from Montepulciano d’Abruzzo variety (Villamagna doc) was conducted, and the bioactive phenolic compounds were quantified through HPLC-DAD-MS analysis. HypoE22, a hypothalamic cell line, was challenged with an oxidative stimulus and exposed to different concentrations (1 µg/mL−1 mg/mL) of the pomace extract for 24, 48, and 72 h. In the same conditions, cells were exposed to the sole catechin, in a concentration range (5–500 ng/mL) consistent with the catechin level in the extract. Cell proliferation was investigated by MTT assay, dopamine release through HPLC-EC method, PGE2 amount by an ELISA kit, and expressions of neurotrophin brain-derived neurotrophic factor (BDNF) and of cyclooxygenase-2 (COX-2) by RT-PCR. The extract reverted the cytotoxicity exerted by the oxidative stimulus at all the experimental times in a dose-dependent manner, whereas the catechin was able to revert the oxidative stress-induced depletion of dopamine 48 h and 72 h after the stimulus. The extract and the catechin were also effective in preventing the downregulation of BDNF and the concomitant upregulation of COX-2 gene expression. In accordance, PGE2 release was augmented by the oxidative stress conditions and reverted by the administration of the water extract from grace pomace and catechin, which were equally effective. These results suggest that the neuroprotection induced by the extract could be ascribed, albeit partially, to its catechin content.
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Affiliation(s)
- Annalisa Chiavaroli
- Department of Pharmacy, University G. d'Annunzio, Chieti-Pescara, 66100 Chieti, Italy
| | - Marwa Balaha
- Department of Pharmacy, University G. d'Annunzio, Chieti-Pescara, 66100 Chieti, Italy
- Department of Pharmaceutical Chemistry, University of Kafrelsheikh, Kafrelsheikh 33516, Egypt
| | - Alessandra Acquaviva
- Department of Pharmacy, University G. d'Annunzio, Chieti-Pescara, 66100 Chieti, Italy
| | - Claudio Ferrante
- Department of Pharmacy, University G. d'Annunzio, Chieti-Pescara, 66100 Chieti, Italy
| | - Amelia Cataldi
- Department of Pharmacy, University G. d'Annunzio, Chieti-Pescara, 66100 Chieti, Italy
| | - Luigi Menghini
- Department of Pharmacy, University G. d'Annunzio, Chieti-Pescara, 66100 Chieti, Italy
| | - Monica Rapino
- Genetic Molecular Institute of CNR, Unit of Chieti, University G. d'Annunzio, Via dei Vestini 31, 66100 Chieti, Italy
| | - Giustino Orlando
- Department of Pharmacy, University G. d'Annunzio, Chieti-Pescara, 66100 Chieti, Italy
| | - Luigi Brunetti
- Department of Pharmacy, University G. d'Annunzio, Chieti-Pescara, 66100 Chieti, Italy
| | - Sheila Leone
- Department of Pharmacy, University G. d'Annunzio, Chieti-Pescara, 66100 Chieti, Italy
| | - Lucia Recinella
- Department of Pharmacy, University G. d'Annunzio, Chieti-Pescara, 66100 Chieti, Italy
| | - Viviana di Giacomo
- Department of Pharmacy, University G. d'Annunzio, Chieti-Pescara, 66100 Chieti, Italy
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