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Gonçalves AC, Rodrigues S, Fonseca R, Silva LR. Potential Role of Dietary Phenolic Compounds in the Prevention and Treatment of Rheumatoid Arthritis: Current Reports. Pharmaceuticals (Basel) 2024; 17:590. [PMID: 38794160 PMCID: PMC11124183 DOI: 10.3390/ph17050590] [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: 04/08/2024] [Revised: 04/30/2024] [Accepted: 05/01/2024] [Indexed: 05/26/2024] Open
Abstract
Rheumatoid arthritis (RA) is a complex illness with both hereditary and environmental components. Globally, in 2019, 18 million people had RA. RA is characterized by persistent inflammation of the synovial membrane that lines the joints, cartilage loss, and bone erosion. Phenolic molecules are the most prevalent secondary metabolites in plants, with a diverse spectrum of biological actions that benefit functional meals and nutraceuticals. These compounds have received a lot of attention recently because they have antioxidant, anti-inflammatory, immunomodulatory, and anti-rheumatoid activity by modulating tumor necrosis factor, mitogen-activated protein kinase, nuclear factor kappa-light-chain-enhancer of activated B cells, and c-Jun N-terminal kinases, as well as other preventative properties. This article discusses dietary polyphenols, their pharmacological properties, and innovative delivery technologies for the treatment of RA, with a focus on their possible biological activities. Nonetheless, commercialization of polyphenols may be achievable only after confirming their safety profile and completing successful clinical trials.
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Affiliation(s)
- Ana C. Gonçalves
- CICS-UBI—Health Sciences Research Center, University of Beira Interior, 6201-001 Covilhã, Portugal;
- CIBIT—Coimbra Institute for Biomedical Imaging and Translational Research, University of Coimbra, 3000-548 Coimbra, Portugal
- SPRINT Sport Physical Activity and Health Research & Innovation Center, Instituto Politécnico da Guarda, 6300-559 Guarda, Portugal
| | - Sofia Rodrigues
- Health Superior School, Polytechnic Institute of Viseu, 3500-843 Viseu, Portugal;
| | - Rafael Fonseca
- Faculty of Medicine, University of Lisbon, 1649-028 Lisbon, Portugal;
| | - Luís R. Silva
- CICS-UBI—Health Sciences Research Center, University of Beira Interior, 6201-001 Covilhã, Portugal;
- SPRINT Sport Physical Activity and Health Research & Innovation Center, Instituto Politécnico da Guarda, 6300-559 Guarda, Portugal
- CERES, Department of Chemical Engineering, University of Coimbra, 3030-790 Coimbra, Portugal
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Goyal G, Kalonia H, Lather V. Therapeutic Potential of Catechin as an IKK-β Inhibitor for the Management of Arthritis: In vitro and In vivo Approach. JOURNAL OF PHARMACY AND BIOALLIED SCIENCES 2023; 15:172-179. [PMID: 38235046 PMCID: PMC10790745 DOI: 10.4103/jpbs.jpbs_280_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/28/2023] [Accepted: 06/02/2023] [Indexed: 01/19/2024] Open
Abstract
Background Rheumatoid arthritis (RA) is associated with increased levels of cytokines, for instance, nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) and interleukin-1 (IL-1), which exhibit potent pro-inflammatory effects and are contributing factors to disease progression. A range of cytokines, cell adhesion molecules, and enzymes that are implicated in the debilitating effects of RA are transcribed by nuclear factor kappa. Objectives The purpose of this research was to characterize the efficacy of "catechin" as an IkappaB kinase-beta (IKK-β) inhibitor in collagen-induced arthritis (CIA) model in mice, as IKK-β is crucial in the transmission of signal-inducible NF-κβ activation. Methods Arthritis was brought on in Bagg and Albino, but it is written BALB/c (BALB/c) male mice through subcutaneous immunization with bovine type II collagen on days 0 and 21. Catechin is given orally every day after the onset of the disease. Clinical evaluation of the prevalence and severity of the condition was done throughout the trial, and biochemical testing was done at the end (day 42). Results In vitro findings of the study demonstrated catechin as a potent inhibitor of IKK-β with Half maximal Inhibitory Concentration (IC50) values of 2.90 μM and 4.358 μM in IKK-β and NF-κβ transactivation activity assay, respectively. Furthermore, catechin (dose range of 10-100 mg/kg, p.o.) was effective in reducing disease incidence and clinical signs in a dose-dependent manner, with an Effective Dose for 50% of the population (ED50) value of 79.579 mg/kg. The findings of this study demonstrate dose-dependent efficacy in terms of both disease severity (clinical scoring) and inflammatory markers (biochemical evaluation of the serum and joints). Conclusions IKK inhibitors are a prospective target for the creation of new therapeutics for arthritis and other inflammatory diseases because it has been suggested that this enzyme is crucial in the pathophysiology of RA. The finding of this study suggests that "catechin" represents a novel inhibitor of IKK-β with promising anti-inflammatory activity.
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Affiliation(s)
- Gourav Goyal
- Centre for Pharmaceutical Chemistry and Analysis, Amity Institute of Pharmacy, Amity University, Noida, Uttar Pradesh, India
| | - Harikesh Kalonia
- Wockhardt Research Centre, Wockhardt Pharmaceutical Pvt Ltd., Aurangabad, Maharashtra, India
| | - Viney Lather
- Centre for Pharmaceutical Chemistry and Analysis, Amity Institute of Pharmacy, Amity University, Noida, Uttar Pradesh, India
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Wardana AP, Aminah NS, Kristanti AN, Fahmi MZ, Zahrah HI, Widiyastuti W, Ajiz HA, Zubaidah U, Wiratama PA, Takaya Y. Nano Uncaria gambir as Chemopreventive Agent Against Breast Cancer. Int J Nanomedicine 2023; 18:4471-4484. [PMID: 37555190 PMCID: PMC10406122 DOI: 10.2147/ijn.s403385] [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: 01/24/2023] [Accepted: 07/19/2023] [Indexed: 08/10/2023] Open
Abstract
BACKGROUND Breast cancer is one of the main causes of death in women. Uncaria gambir is an Indonesian herbal plant that can be used as an anti-cancer. However, herbal medicines have low bioavailability, which affects their bioactivity. Nanoencapsulation can increase bioavailability and stability of bioactive compounds in herbal medicines. PURPOSE This recent finding tried to unravel anti-cancer and chemopreventive of U. gambir nano-encapsulated by Na-alginate. STUDY DESIGN U. gambir bioactive compounds were isolated and characterized using UV-Vis spectrometer, FTIR, NMR and HR-MS. U. gambir extract was nanoencapsulated using Na-alginate. Anti-cancer effect was assessed by MTT assay towards T47D cell. Meanwhile, a chemopreventive analysis was carried out in breast cancer mice-induced benzo[α]pyrene. The healthy mice were divided into 8 groups comprising control and treatment. RESULTS Elucidation of U. gambir ethyl acetate extract confirmed high catechin content, 89.34% (w/w). Successful nanoencapsulation of U. gambir (G-NPs) was indicated. The particle size of G-NPs was 78.40 ± 12.25 nm. Loading efficiency (LE) and loading amount (LA) of G-NPs were 97.56 ± 0.04% and 32.52 ± 0.01%, respectively. G-NPs had an EC50 value of 10.39 ± 3.50 µg/mL, which was more toxic than the EC50 value of extract towards the T47D cell line. Administration of 200 mg/kg BW G-NPs to mice induced by benzo[α]pyrene exhibited SOD and GSH levels of 13.69 ng/mL and 455.6 ng/mL. In addition, the lowest TNF-α level was 27.96 ng/mL. A dose of 100 mg/kg BW G-NPs could best increase CAT levels by 7.18 ng/mL. There was no damage or histological abnormalities found in histological analysis of the breast tissue in the group given 200 mg/kg BW G-NPs.
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Affiliation(s)
- Andika Pramudya Wardana
- Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Surabaya, East Java, Indonesia
| | - Nanik Siti Aminah
- Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Surabaya, East Java, Indonesia
- Biotechnology of Tropical Medicinal Plants Research Group, Universitas Airlangga, Surabaya, East Java, Indonesia
| | - Alfinda Novi Kristanti
- Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Surabaya, East Java, Indonesia
- Biotechnology of Tropical Medicinal Plants Research Group, Universitas Airlangga, Surabaya, East Java, Indonesia
| | - Mochamad Zakki Fahmi
- Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Surabaya, East Java, Indonesia
| | | | - W Widiyastuti
- Department of Chemical Engineering, Faculty of Industrial Technology and Systems Engineering, Institut Teknologi Sepuluh Nopember, Surabaya, East Java, Indonesia
| | - Hendrix Abdul Ajiz
- Department of Chemical Engineering, Faculty of Industrial Technology and Systems Engineering, Institut Teknologi Sepuluh Nopember, Surabaya, East Java, Indonesia
| | - Ummi Zubaidah
- Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Surabaya, East Java, Indonesia
| | - Priangga Adi Wiratama
- Department of Anatomic Pathology, Faculty of Medicine, Universitas Airlangga – RSUD Dr. Soetomo Academic General Hospital, Surabaya, East Java, Indonesia
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Salinas-Arellano ED, Castro-Dionicio IY, Jeyaraj JG, Mirtallo Ezzone NP, Carcache de Blanco EJ. Phytochemical Profiles and Biological Studies of Selected Botanical Dietary Supplements Used in the United States. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2023; 122:1-162. [PMID: 37392311 DOI: 10.1007/978-3-031-26768-0_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/03/2023]
Abstract
Based on their current wide bioavailability, botanical dietary supplements have become an important component of the United States healthcare system, although most of these products have limited scientific evidence for their use. The most recent American Botanical Council Market Report estimated for 2020 a 17.3% increase in sales of these products when compared to 2019, for a total sales volume of $11,261 billion. The use of botanical dietary supplements products in the United States is guided by the Dietary Supplement Health and Education Act (DSHEA) from 1994, enacted by the U.S. Congress with the aim of providing more information to consumers and to facilitate access to a larger number of botanical dietary supplements available on the market than previously. Botanical dietary supplements may be formulated for and use only using crude plant samples (e.g., plant parts such as the bark, leaves, or roots) that can be processed by grinding into a dried powder. Plant parts can also be extracted with hot water to form an "herbal tea." Other preparations of botanical dietary supplements include capsules, essential oils, gummies, powders, tablets, and tinctures. Overall, botanical dietary supplements contain bioactive secondary metabolites with diverse chemotypes that typically are found at low concentration levels. These bioactive constituents usually occur in combination with inactive molecules that may induce synergy and potentiation of the effects observed when botanical dietary supplements are taken in their different forms. Most of the botanical dietary supplements available on the U.S. market have been used previously as herbal remedies or as part of traditional medicine systems from around the world. Their prior use in these systems also provides a certain level of assurance in regard to lower toxicity levels. This chapter will focus on the importance and diversity of the chemical features of bioactive secondary metabolites found in botanical dietary supplements that are responsible for their applications. Many of the active principles of botanical dietary substances are phenolics and isoprenoids, but glycosides and some alkaloids are also present. Biological studies on the active constituents of selected botanical dietary supplements will be discussed. Thus, the present chapter should be of interest for both members of the natural products scientific community, who may be performing development studies of the products available, as well as for healthcare professionals who are directly involved in the analysis of botanical interactions and evaluation of the suitability of botanical dietary supplements for human consumption.
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Affiliation(s)
- Eric D Salinas-Arellano
- Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, 500 West 12th Avenue, Columbus, OH, 43210, USA
| | - Ines Y Castro-Dionicio
- Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, 500 West 12th Avenue, Columbus, OH, 43210, USA
| | - Jonathan G Jeyaraj
- Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, 500 West 12th Avenue, Columbus, OH, 43210, USA
| | - Nathan P Mirtallo Ezzone
- Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, 500 West 12th Avenue, Columbus, OH, 43210, USA
| | - Esperanza J Carcache de Blanco
- Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, 500 West 12th Avenue, Columbus, OH, 43210, USA.
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Gao J, Yang Z, Zhao C, Tang X, Jiang Q, Yin Y. A comprehensive review on natural phenolic compounds as alternatives to in-feed antibiotics. SCIENCE CHINA. LIFE SCIENCES 2022:10.1007/s11427-022-2246-4. [PMID: 36586071 DOI: 10.1007/s11427-022-2246-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 10/17/2022] [Indexed: 01/01/2023]
Abstract
Intensive livestock and poultry farming in China largely relied on the use of in-feed antibiotics until July 2020. The consequences of antibiotic overuse in animal feed include accumulation in animal products and the development of bacterial antibiotic resistance, both of which threaten food safety and human health. China has now completely banned the circulation of commercial feed containing growth-promoting drug additives (except Chinese herbal medicine). Therefore, alternatives to in-feed antibiotics in animal production are greatly needed. Natural phenolic compounds (NPCs) exist widely in plants and are non-toxic, non-polluting, highly reproducible, and leave little residue. Many natural flavonoids, phenolic acids, lignans, and stilbenes have polyphenol chemical structures and exhibit great potential as alternatives to antibiotics. In this review we delineate the characteristics of plant-derived NPCs and summarize their current applications as alternatives to in-feed antibiotics, aiming to provide new strategies for antibiotic-free feeding and promote the development of more sustainable animal husbandry practices.
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Affiliation(s)
- Jingxia Gao
- Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China.,Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China
| | - Zhe Yang
- Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China
| | - Chongqi Zhao
- Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China
| | - Xiongzhuo Tang
- Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China
| | - Qian Jiang
- Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China. .,Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China.
| | - Yulong Yin
- Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China. .,Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China.
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Raimondo S, Urzì O, Meraviglia S, Di Simone M, Corsale AM, Rabienezhad Ganji N, Palumbo Piccionello A, Polito G, Lo Presti E, Dieli F, Conigliaro A, Alessandro R. Anti‐inflammatory properties of lemon‐derived extracellular vesicles are achieved through the inhibition of
ERK
/
NF‐κB
signalling pathways. J Cell Mol Med 2022; 26:4195-4209. [PMID: 35789531 PMCID: PMC9344827 DOI: 10.1111/jcmm.17404] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/20/2022] [Accepted: 05/08/2022] [Indexed: 12/13/2022] Open
Abstract
Chronic inflammation is associated with the occurrence of several diseases. However, the side effects of anti‐inflammatory drugs prompt the identification of new therapeutic strategies. Plant‐derived extracellular vesicles (PDEVs) are gaining increasing interest in the scientific community for their biological properties. We isolated PDEVs from the juice of Citrus limon L. (LEVs) and characterized their flavonoid, limonoid and lipid contents through reversed‐phase high‐performance liquid chromatography coupled to electrospray ionization quadrupole time‐of‐flight mass spectrometry (RP‐HPLC–ESI‐Q‐TOF‐MS). To investigate whether LEVs have a protective role on the inflammatory process, murine and primary human macrophages were pre‐treated with LEVs for 24 h and then were stimulated with lipopolysaccharide (LPS). We found that pre‐treatment with LEVs decreased gene and protein expression of pro‐inflammatory cytokines, such as IL‐6, IL1‐β and TNF‐α, and reduced the nuclear translocation and phosphorylation of NF‐κB in LPS‐stimulated murine macrophages. The inhibition of NF‐κB activation was associated with the reduction in ERK1‐2 phosphorylation. Furthermore, the ability of LEVs to decrease pro‐inflammatory cytokines and increase anti‐inflammatory molecules was confirmed ex vivo in human primary T lymphocytes. In conclusion, we demonstrated that LEVs exert anti‐inflammatory effects both in vitro and ex vivo by inhibiting the ERK1‐2/NF‐κB signalling pathway.
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Affiliation(s)
- Stefania Raimondo
- Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata Università degli Studi di Palermo Palermo Italy
| | - Ornella Urzì
- Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata Università degli Studi di Palermo Palermo Italy
| | - Serena Meraviglia
- Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata Università degli Studi di Palermo Palermo Italy
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR) AOUP Paolo Giaccone Palermo Italy
| | - Marta Di Simone
- Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata Università degli Studi di Palermo Palermo Italy
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR) AOUP Paolo Giaccone Palermo Italy
| | - Anna Maria Corsale
- Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata Università degli Studi di Palermo Palermo Italy
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR) AOUP Paolo Giaccone Palermo Italy
| | - Nima Rabienezhad Ganji
- Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata Università degli Studi di Palermo Palermo Italy
| | - Antonio Palumbo Piccionello
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche Università degli Studi di Palermo Palermo Italy
| | - Giulia Polito
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche Università degli Studi di Palermo Palermo Italy
| | - Elena Lo Presti
- Institute for Biomedical Research and Innovation (IRIB) National Research Council (CNR) Palermo Italy
| | - Francesco Dieli
- Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata Università degli Studi di Palermo Palermo Italy
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR) AOUP Paolo Giaccone Palermo Italy
| | - Alice Conigliaro
- Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata Università degli Studi di Palermo Palermo Italy
| | - Riccardo Alessandro
- Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata Università degli Studi di Palermo Palermo Italy
- Institute for Biomedical Research and Innovation (IRIB) National Research Council (CNR) Palermo Italy
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Wu C, Li F, Zhang X, Xu W, Wang Y, Yao Y, Han Z, Xia D. (-)-Epicatechin Ameliorates Monosodium Urate-Induced Acute Gouty Arthritis Through Inhibiting NLRP3 Inflammasome and the NF-κB Signaling Pathway. Front Pharmacol 2022; 13:799552. [PMID: 35462936 PMCID: PMC9019746 DOI: 10.3389/fphar.2022.799552] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 02/24/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Gouty arthritis is a common and complex inflammatory disease that will reduce the life quality of human beings (-)-Epicatechin (EC) is famous for antioxidant and anti-inflammatory activities. Thus, the aim of this study was to investigate the therapeutic effect of EC on gouty arthritis and its mechanisms. Methods and results: EC was added into a monosodium urate (MSU)-stimulated THP-1 cell that was induced by phorbol 12-myristate 13-acetate and lipopolysaccharide (LPS) in advance to establish a gout model in vitro. The efficiency of EC on acute gouty arthritis mice induced by MSU was further investigated. The results showed that EC concentration-dependently improved the cell viability of LPS and MSU stimulated THP-1 cells, and significantly alleviated MSU-induced ankle edema in mice in a dose-dependent manner. In addition, EC inhibited the infiltration of inflammatory cells and local cascular congestion in ankle joint tissue. Furthermore, the secretion of inflammatory cytokines (IL-1β, IL-18, IL-6, and TNF-α) activation of NLRP3 inflammasome and NF-κB signaling pathway were markedly suppressed by EC in vitro and in vivo. Conclusion: These results indicated that EC could effectively improve MSU-induced acute gouty arthritis via inhibiting NLRP3 inflammasome and the NF-κB signaling pathway in vitro and in vivo, which suggested that EC might be a promising active ingredient for the prevention and treatment of gouty arthritis.
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Affiliation(s)
- Chenxi Wu
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Fenfen Li
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiaoxi Zhang
- Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Wenjing Xu
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yan Wang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yanjing Yao
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Ziwei Han
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Daozong Xia
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
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Patil PP, Patil VS, Khanal P, Darasaguppe HR, Charla R, Bhatkande A, Patil BM, Roy S. Network pharmacology and in vitro testing of Theobroma cacao extract’s antioxidative activity and its effects on cancer cell survival. PLoS One 2022; 17:e0259757. [PMID: 35421091 PMCID: PMC9009696 DOI: 10.1371/journal.pone.0259757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Accepted: 03/02/2022] [Indexed: 12/02/2022] Open
Abstract
Theobroma cacao L. is a commercially important food/beverage and is used as traditional medicine worldwide against a variety of ailments. In the present study, computational biology approaches were implemented to elucidate the possible role of cocoa in cancer therapy. Bioactives of cocoa were retrieved from the PubChem database and queried for targets involved in cancer pathogenesis using BindingDB (similarity index ≥0.7). Later, the protein-protein interactions network was investigated using STRING and compound-protein via Cytoscape. In addition, intermolecular interactions were investigated via molecular docking. Also, the stability of the representative complex Hirsutrin-epidermal growth factor receptor (EGFR) complex was explored using molecular dynamics simulations. Crude extract metabolite profile was carried out by LC-MS. Further, anti-oxidant and cytotoxicity studies were performed in Chinese hamster ovary (normal) and Ehrlich ascites carcinoma (cancer) cell lines. Herein, the gene set enrichment and network analysis revealed 34 bioactives in cocoa targeting 50 proteins regulating 21 pathways involved in cancer and oxidative stress in humans. EGFR scored the highest edge count amongst 50 targets modulating 21 key pathways. Hence, it was selected as a promising anticancer target in this study. Structural refinement of EGFR was performed via all-atom molecular dynamics simulations in explicit solvent. A complex EGFR-Hirsutrin showed the least binding energy (-7.2 kcal/mol) and conserved non-bonded contacts with binding pocket residues. A stable complex formation of EGFR-Hirsutrin was observed during 100 ns MD simulation. In vitro studies corroborated antioxidant activity for cocoa extract and showed a significantly higher cytotoxic effect on cancer cells compared to normal cells. Our study virtually predicts anti-cancer activity for cocoa affected by hirsutrin inhibiting EGFR. Further wet-lab studies are needed to establish cocoa extract against cancer and oxidative stress.
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Affiliation(s)
- Priyanka P. Patil
- KLE College of Pharmacy Belagavi, KLE Academy of Higher Education and Research (KAHER), Belagavi, Karnataka, India
- Indian Council of Medical Research- National Institute of Traditional Medicine, Belagavi, Karnataka, India
| | - Vishal S. Patil
- KLE College of Pharmacy Belagavi, KLE Academy of Higher Education and Research (KAHER), Belagavi, Karnataka, India
- Indian Council of Medical Research- National Institute of Traditional Medicine, Belagavi, Karnataka, India
| | - Pukar Khanal
- KLE College of Pharmacy Belagavi, KLE Academy of Higher Education and Research (KAHER), Belagavi, Karnataka, India
- Department of Pharmacology, NGSM Institute of Pharmaceutical Sciences (NGSMIPS), Nitte (Deemed to be University), Mangalore, India
| | - Harish R. Darasaguppe
- Indian Council of Medical Research- National Institute of Traditional Medicine, Belagavi, Karnataka, India
- * E-mail: , (BMP); (HRD); (SR)
| | - Rajitha Charla
- Indian Council of Medical Research- National Institute of Traditional Medicine, Belagavi, Karnataka, India
| | - Arati Bhatkande
- Indian Council of Medical Research- National Institute of Traditional Medicine, Belagavi, Karnataka, India
| | - Basanagouda M. Patil
- KLE College of Pharmacy Belagavi, KLE Academy of Higher Education and Research (KAHER), Belagavi, Karnataka, India
- * E-mail: , (BMP); (HRD); (SR)
| | - Subarna Roy
- Indian Council of Medical Research- National Institute of Traditional Medicine, Belagavi, Karnataka, India
- * E-mail: , (BMP); (HRD); (SR)
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9
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Cremonini E, Iglesias DE, Matsukuma KE, Hester SN, Wood SM, Bartlett M, Fraga CG, Oteiza PI. Supplementation with cyanidin and delphinidin mitigates high fat diet-induced endotoxemia and associated liver inflammation in mice. Food Funct 2022; 13:781-794. [PMID: 34981106 DOI: 10.1039/d1fo03108b] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Consumption of high fat diets (HFD) and the associated metabolic endotoxemia can initiate liver inflammation and lipid deposition that with time can progress to non-alcoholic fatty liver disease (NAFLD). We previously observed that 14 weeks supplementation with the anthocyanidins cyanidin and delphinidin mitigated HFD-induced metabolic endotoxemia and liver insulin resistance, steatosis, inflammation and oxidative stress. This work investigated if a 4-week supplementation of mice with a cyanidin- and delphinidin-rich extract (CDRE) could mitigate or reverse HFD (60% calories from lard fat)-induced liver steatosis and inflammation. After a first 4-weeks period on the HFD, mice showed increased endotoxemia and activation of liver proinflammatory signaling cascades. Supplementation with CDRE between weeks 4 and 8 did not mitigate liver steatosis or the altered lipid and glucose plasma levels. However, CDRE supplementation reverted HFD-induced metabolic endotoxemia, in parallel with the mitigation of the overexpression of hepatic TLR2 and TLR4, and of the activation of: (i) NF-κB, (ii) AP-1 and upstream mitogen-activated kinases p38 and ERK1/2, and (iii) HIF-1. Thus, even a short-term consumption of cyanidin and delphinidin could help mitigate the adverse consequences, i.e. metabolic endotoxemia and associated liver inflammation, triggered by the regular consumption of diets rich in fat.
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Affiliation(s)
- Eleonora Cremonini
- Department of Nutrition, University of California, Davis, CA, USA. .,Department of Environmental Toxicology, University of California, Davis, CA, USA
| | - Dario E Iglesias
- Department of Nutrition, University of California, Davis, CA, USA. .,Department of Environmental Toxicology, University of California, Davis, CA, USA
| | - Karen E Matsukuma
- Department of Pathology and Laboratory Medicine, University of California, Davis, CA, USA
| | | | - Steven M Wood
- Pharmanex Research, NSE Products, Inc., Provo, UT, USA
| | - Mark Bartlett
- Pharmanex Research, NSE Products, Inc., Provo, UT, USA
| | - Cesar G Fraga
- Department of Nutrition, University of California, Davis, CA, USA. .,Fisicoquímica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina.,Instituto de Bioquímica y Medicina Molecular (IBIMOL), Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
| | - Patricia I Oteiza
- Department of Nutrition, University of California, Davis, CA, USA. .,Department of Environmental Toxicology, University of California, Davis, CA, USA
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10
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Luo Y, Jian Y, Liu Y, Jiang S, Muhammad D, Wang W. Flavanols from Nature: A Phytochemistry and Biological Activity Review. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27030719. [PMID: 35163984 PMCID: PMC8838462 DOI: 10.3390/molecules27030719] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 01/12/2022] [Accepted: 01/17/2022] [Indexed: 12/19/2022]
Abstract
Flavanols, a common class of secondary plant metabolites, exhibit several beneficial health properties by acting as antioxidant, anticarcinogen, cardioprotective, anti-microbial, anti-viral, and neuroprotective agents. Furthermore, some flavanols are considered functional ingredients in dairy products. Based on their structural features and health-promoting functions, flavanols have gained the attention of pharmacologists and botanists worldwide. This review collects and summarizes 121 flavanols comprising four categories: flavan-3-ols, flavan-4-ols, isoflavan-4-ols, and flavan-3,4-ols. The research of the various structural features and pharmacological activities of flavanols and their derivatives aims to lay the groundwork for subsequent research and expect to provide mentality and inspiration for the research. The current study provides a starting point for further research and development.
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Affiliation(s)
| | - Yuqing Jian
- Correspondence: (Y.J.); (W.W.); Tel.: +86-150-8486-8970 (Y.J.); +86-136-5743-8606 (W.W.)
| | | | | | | | - Wei Wang
- Correspondence: (Y.J.); (W.W.); Tel.: +86-150-8486-8970 (Y.J.); +86-136-5743-8606 (W.W.)
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11
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Ayyadurai VAS, Deonikar P. Bioactive compounds in green tea may improve transplant tolerance: A computational systems biology analysis. Clin Nutr ESPEN 2021; 46:439-452. [PMID: 34857232 DOI: 10.1016/j.clnesp.2021.09.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 01/21/2021] [Accepted: 09/15/2021] [Indexed: 10/24/2022]
Abstract
BACKGROUND Green tea (Camellia sinensis) has bioactive compounds that have been shown to possess nutritive effects on various biomolecular processes such as immunomodulation. This research explores the immunomodulatory effects of green tea in reducing transplant rejection. METHOD The study employs computational systems biology: 1) to identify biomolecular mechanisms of immunomodulation in transplant rejection; 2) to identify the bioactive compounds of green tea and their specific effects on mechanisms of immunomodulation in transplant rejection; and, 3) to predict the quantitative effects of those bioactive compounds on immunomodulation in transplant rejection. RESULTS Three bioactive compounds of green tea - epicatechin (EC), gallic acid (GA), and epigallocatechin gallate (EGCG), were identified for their potential effects on immunomodulation of transplant rejection. Of the three, EGCG was the only one determined to enhance anti-inflammatory activity by: 1) upregulating synthesis of HO-1 that is known to promote Treg and Th2 phenotypes associated with enabling transplant tolerance; and, 2) downregulating pro-inflammatory cytokines IL-2, IL-17, IFN-γ, TNF-α, NO, IL-6, and IL-1β that are known to promote Th1 and Th17 phenotypes associated with transplant rejection. CONCLUSIONS To the best of our knowledge, this study provides the first molecular mechanistic understanding the clinical nutritive value of green tea, specifically the bioactive compound EGCG, in enabling transplant tolerance.
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Affiliation(s)
- V A Shiva Ayyadurai
- Systems Biology Group, CytoSolve Research Division, CytoSolve, Inc., Cambridge, MA, 02138, USA.
| | - Prabhakar Deonikar
- Systems Biology Group, CytoSolve Research Division, CytoSolve, Inc., Cambridge, MA, 02138, USA
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12
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Abdelhameed RFA, Ibrahim AK, Elfaky MA, Habib ES, Mahamed MI, Mehanna ET, Darwish KM, Khodeer DM, Ahmed SA, Elhady SS. Antioxidant and Anti-Inflammatory Activity of Cynanchum acutum L. Isolated Flavonoids Using Experimentally Induced Type 2 Diabetes Mellitus: Biological and In Silico Investigation for NF-κB Pathway/miR-146a Expression Modulation. Antioxidants (Basel) 2021; 10:antiox10111713. [PMID: 34829584 PMCID: PMC8615122 DOI: 10.3390/antiox10111713] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 10/21/2021] [Accepted: 10/21/2021] [Indexed: 12/11/2022] Open
Abstract
Cynanchum acutum L. is a climbing vine that belongs to the family Apocynaceae. Using different chromatographic techniques, seven compounds were isolated from the methanolic extract of the plant. The isolated compounds include six flavonoid compounds identified as rutin (1), quercetin-3-O-neohesperidoside (2), quercetin-3-O-β-galactoside (3), isoquercitrin (4), quercetin (5), and kaempferol 3-O-β-glucoside (6), in addition to a coumarin, scopoletin (7). The structures of the compounds were elucidated based on 1D NMR spectroscopy and high-resolution mass spectrometry (HR-MS), and by comparison with data reported in the literature. The first five compounds were selected for in vivo investigation of their anti-inflammatory and antioxidant properties in a rat model of type 2 diabetes. All tested compounds significantly reduced oxidative stress and increased erythrocyte lysate levels of antioxidant enzymes, along with the amelioration of the serum levels of inflammatory markers. Upregulation of miR-146a expression and downregulation of nuclear factor kappa B (NF-κB) expression were detected in the liver and adipose tissue of rats treated with the isolated flavonoids. Results from the biological investigation and those from the validated molecular modeling approach on two biological targets of the NF-κB pathway managed to highlight the superior anti-inflammatory activity of quercetin-3-O-galactoside (3) and quercetin (5), as compared to other bioactive metabolites.
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Affiliation(s)
- Reda F. A. Abdelhameed
- Department of Pharmacognosy, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt; (R.F.A.A.); (E.S.H.); (M.I.M.); (S.A.A.)
- Department of Pharmacognosy, Faculty of Pharmacy, Galala University, New Galala 43713, Egypt
| | - Amany K. Ibrahim
- Department of Pharmacognosy, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt; (R.F.A.A.); (E.S.H.); (M.I.M.); (S.A.A.)
- Correspondence: (A.K.I.); (E.T.M.)
| | - Mahmoud A. Elfaky
- Department of Natural Products, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.A.E.); (S.S.E.)
- Centre for Artificial Intelligence in Precision Medicines, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Eman S. Habib
- Department of Pharmacognosy, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt; (R.F.A.A.); (E.S.H.); (M.I.M.); (S.A.A.)
| | - Mayada I. Mahamed
- Department of Pharmacognosy, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt; (R.F.A.A.); (E.S.H.); (M.I.M.); (S.A.A.)
| | - Eman T. Mehanna
- Department of Biochemistry, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt
- Correspondence: (A.K.I.); (E.T.M.)
| | - Khaled M. Darwish
- Department of Medicinal Chemistry, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt;
| | - Dina M. Khodeer
- Department of Pharmacology, and Toxicology, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt;
| | - Safwat A. Ahmed
- Department of Pharmacognosy, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt; (R.F.A.A.); (E.S.H.); (M.I.M.); (S.A.A.)
| | - Sameh S. Elhady
- Department of Natural Products, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.A.E.); (S.S.E.)
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13
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Jiang Y, Jiang Z, Ma L, Huang Q. Advances in Nanodelivery of Green Tea Catechins to Enhance the Anticancer Activity. Molecules 2021; 26:3301. [PMID: 34072700 PMCID: PMC8198522 DOI: 10.3390/molecules26113301] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/25/2021] [Accepted: 05/25/2021] [Indexed: 12/12/2022] Open
Abstract
Cancer is one of the leading causes of death globally. A variety of phenolic compounds display preventative and therapeutic effects against cancers. Green teas are rich in phenolics. Catechins are the most dominant phenolic component in green teas. Studies have shown that catechins have anticancer activity in various cancer models. The anticancer activity of catechins, however, may be compromised due to their low oral bioavailability. Nanodelivery emerges as a promising way to improve the oral bioavailability and anticancer activity of catechins. Research in this area has been actively conducted in recent decades. This review provides the molecular mechanisms of the anticancer effects of catechins, the factors that limit the oral bioavailability of catechins, and the latest advances of delivering catechins using nanodelivery systems through different routes to enhance their anticancer activity.
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Affiliation(s)
- Yike Jiang
- Shenzhen Bay Laboratory, Institute of Biomedical Health Technology and Engineering, Shenzhen 518132, China;
| | - Ziyi Jiang
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China;
- State Key Laboratory of Chemical Oncogenomics, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Lan Ma
- Shenzhen Bay Laboratory, Institute of Biomedical Health Technology and Engineering, Shenzhen 518132, China;
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China;
- State Key Laboratory of Chemical Oncogenomics, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Qingrong Huang
- Department of Food Science, Rutgers University, 65 Dudley Road, New Brunswick, NJ 08901, USA
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14
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Diet-Derived Antioxidants and Their Role in Inflammation, Obesity and Gut Microbiota Modulation. Antioxidants (Basel) 2021; 10:antiox10050708. [PMID: 33946864 PMCID: PMC8146040 DOI: 10.3390/antiox10050708] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/23/2021] [Accepted: 04/25/2021] [Indexed: 12/12/2022] Open
Abstract
It is generally accepted that gut microbiota, inflammation and obesity are linked to the development of cardiovascular diseases and other chronic/non-communicable pathological conditions, including cancer, neurodegenerative diseases and ageing-related disorders. In this scenario, oxidative stress plays a pivotal role. Evidence suggests that the global dietary patterns may represent a tool in counteracting oxidative stress, thus preventing the onset of diseases related to oxidative stress. More specifically, dietary patterns based on the regular consumption of fruits and vegetables (i.e., Mediterranean diet) have been licensed by various national nutritional guidelines in many countries for their health-promoting effects. Such patterns, indeed, result in being rich in specific components, such as fiber, minerals, vitamins and antioxidants, whose beneficial effects on human health have been widely reported. This suggests a potential nutraceutical power of specific dietary components. In this manuscript, we summarize the most relevant evidence reporting the impact of dietary antioxidants on gut microbiota composition, inflammation and obesity, and we underline that antioxidants are implicated in a complex interplay between gut microbiota, inflammation and obesity, thus suggesting their possible role in the development and modulation of chronic diseases related to oxidative stress and in the maintenance of wellness. Do all roads lead to Rome?
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15
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Alaswad HA, Mahbub AA, Le Maitre CL, Jordan-Mahy N. Molecular Action of Polyphenols in Leukaemia and Their Therapeutic Potential. Int J Mol Sci 2021; 22:ijms22063085. [PMID: 33802972 PMCID: PMC8002821 DOI: 10.3390/ijms22063085] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 03/08/2021] [Accepted: 03/10/2021] [Indexed: 02/07/2023] Open
Abstract
Leukaemia is a malignant disease of the blood. Current treatments for leukaemia are associated with serious side-effects. Plant-derived polyphenols have been identified as potent anti-cancer agents and have been shown to work synergistically with standard chemotherapy agents in leukaemia cell lines. Polyphenols have multiple mechanisms of action and have been reported to decrease cell proliferation, arrest cell cycle and induce apoptosis via the activation of caspase (3, 8 and 9); the loss of mitochondrial membrane potential and the release of cytochrome c. Polyphenols have been shown to suppress activation of transcription factors, including NF-kB and STAT3. Furthermore, polyphenols have pro-oxidant properties, with increasing evidence that polyphenols inhibit the antioxidant activity of glutathione, causing oxidative DNA damage. Polyphenols also induce autophagy-driven cancer cell death and regulate multidrug resistance proteins, and thus may be able to reverse resistance to chemotherapy agents. This review examines the molecular mechanism of action of polyphenols and discusses their potential therapeutic targets. Here, we discuss the pharmacological properties of polyphenols, including their anti-inflammatory, antioxidant, anti-proliferative, and anti-tumour activities, and suggest that polyphenols are potent natural agents that can be useful therapeutically; and discuss why data on bioavailability, toxicity and metabolism are essential to evaluate their clinical use.
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Affiliation(s)
- Hamza A. Alaswad
- Biomolecular Sciences Research Centre, Department of Biosciences and Chemistry, Sheffield Hallam University, The Owen Building, City Campus, Howard Street, Sheffield S1 1WB, UK; (H.A.A.); (C.L.L.M.)
| | - Amani A. Mahbub
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, P.O. Box 715, Makkah 21955, Saudi Arabia;
| | - Christine L. Le Maitre
- Biomolecular Sciences Research Centre, Department of Biosciences and Chemistry, Sheffield Hallam University, The Owen Building, City Campus, Howard Street, Sheffield S1 1WB, UK; (H.A.A.); (C.L.L.M.)
| | - Nicola Jordan-Mahy
- Biomolecular Sciences Research Centre, Department of Biosciences and Chemistry, Sheffield Hallam University, The Owen Building, City Campus, Howard Street, Sheffield S1 1WB, UK; (H.A.A.); (C.L.L.M.)
- Correspondence: ; Tel.: +44-0114-225-3120
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16
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Micronutrients and bioactive compounds in the immunological pathways related to SARS-CoV-2 (adults and elderly). Eur J Nutr 2020; 60:559-579. [PMID: 33084959 PMCID: PMC7576552 DOI: 10.1007/s00394-020-02410-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 10/06/2020] [Indexed: 01/08/2023]
Abstract
The new coronavirus pandemic is affecting the entire world with more than 25 million confirmed cases in August 2020 according to the World Health Organization. It is known that the virus can affect several tissues and can progress to a respiratory failure in severe cases. To prevent the progression to this stage of the disease and minimize all the damage caused by coronavirus (SARS-CoV-2) the immune system must be in its integrity. A healthy nutritional status are fundamental to efficient immunological protection and consequently a good response to SARS-CoV-2. Micronutrients and bioactive compounds perform functions in immune cells that are extremely essential to stop SARS-CoV-2. Their adequate consumption is part of a non-pharmacological intervention to keep the immune system functioning. This review has as main objective to inform how micronutrients and bioactive compounds could act in the essential immunological pathways could stop SARS-CoV-2, focusing on the functions that have already established in the literature and transposing to this scenario.
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17
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González-Quilen C, Rodríguez-Gallego E, Beltrán-Debón R, Pinent M, Ardévol A, Blay MT, Terra X. Health-Promoting Properties of Proanthocyanidins for Intestinal Dysfunction. Nutrients 2020; 12:E130. [PMID: 31906505 PMCID: PMC7019584 DOI: 10.3390/nu12010130] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 12/20/2019] [Accepted: 12/31/2019] [Indexed: 12/22/2022] Open
Abstract
The intestinal barrier is constantly exposed to potentially harmful environmental factors, including food components and bacterial endotoxins. When intestinal barrier function and immune homeostasis are compromised (intestinal dysfunction), inflammatory conditions may develop and impact overall health. Evidence from experimental animal and cell culture studies suggests that exposure of intestinal mucosa to proanthocyanidin (PAC)-rich plant products, such as grape seeds, may contribute to maintaining the barrier function and to ameliorating the pathological inflammation present in diet-induced obesity and inflammatory bowel disease. In this review, we aim to update the current knowledge on the bioactivity of PACs in experimental models of intestinal dysfunction and in humans, and to provide insights into the underlying biochemical and molecular mechanisms.
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Affiliation(s)
| | | | | | | | | | - M Teresa Blay
- MoBioFood Research Group, Departament de Bioquímica i Biotecnologia, Universitat Rovira i Virgili, 43007 Tarragona, Spain; (C.G.-Q.); (E.R.-G.); (R.B.-D.); (M.P.); (A.A.); (X.T.)
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18
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Magrone T, Magrone M, Russo MA, Jirillo E. Recent Advances on the Anti-Inflammatory and Antioxidant Properties of Red Grape Polyphenols: In Vitro and In Vivo Studies. Antioxidants (Basel) 2019; 9:E35. [PMID: 31906123 PMCID: PMC7022464 DOI: 10.3390/antiox9010035] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 12/27/2019] [Accepted: 12/28/2019] [Indexed: 12/20/2022] Open
Abstract
In this review, special emphasis will be placed on red grape polyphenols for their antioxidant and anti-inflammatory activities. Therefore, their capacity to inhibit major pathways responsible for activation of oxidative systems and expression and release of proinflammatory cytokines and chemokines will be discussed. Furthermore, regulation of immune cells by polyphenols will be illustrated with special reference to the activation of T regulatory cells which support a tolerogenic pathway at intestinal level. Additionally, the effects of red grape polyphenols will be analyzed in obesity, as a low-grade systemic inflammation. Also, possible modifications of inflammatory bowel disease biomarkers and clinical course have been studied upon polyphenol administration, either in animal models or in clinical trials. Moreover, the ability of polyphenols to cross the blood-brain barrier has been exploited to investigate their neuroprotective properties. In cancer, polyphenols seem to exert several beneficial effects, even if conflicting data are reported about their influence on T regulatory cells. Finally, the effects of polyphenols have been evaluated in experimental models of allergy and autoimmune diseases. Conclusively, red grape polyphenols are endowed with a great antioxidant and anti-inflammatory potential but some issues, such as polyphenol bioavailability, activity of metabolites, and interaction with microbiota, deserve deeper studies.
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Affiliation(s)
- Thea Magrone
- Department of Basic Medical Sciences, Neuroscience and Sensory Organs, School of Medicine, University of Bari, 70124 Bari, Italy; (M.M.); (E.J.)
| | - Manrico Magrone
- Department of Basic Medical Sciences, Neuroscience and Sensory Organs, School of Medicine, University of Bari, 70124 Bari, Italy; (M.M.); (E.J.)
| | - Matteo Antonio Russo
- MEBIC Consortium, San Raffaele Open University of Rome and IRCCS San Raffaele Pisana of Rome, 00166 Rome, Italy;
| | - Emilio Jirillo
- Department of Basic Medical Sciences, Neuroscience and Sensory Organs, School of Medicine, University of Bari, 70124 Bari, Italy; (M.M.); (E.J.)
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19
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Breast cancer prevention in premenopausal women: role of the Mediterranean diet and its components. Nutr Res Rev 2019; 33:19-32. [PMID: 31571551 DOI: 10.1017/s0954422419000167] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Breast cancer (BC) is a growing public health concern in most developed and developing countries. Since an increasing number of patients with BC are diagnosed before the menopause and premenopausal women show a more aggressive phenotype, there is consistent interest in promoting prevention strategies in order to reduce the incidence of BC in the premenopause. The Mediterranean diet (MD) has been reported to have beneficial effect in terms of cancer prevention. This healthy dietary pattern consists primarily of foods having important antioxidant properties along with a favourable fatty acid profile, all associated with a reduced risk of cancer. Due to the large variability in study subject characteristics, the protective role of the MD on BC still remains controversial and studies that have investigated the association between adherence to the MD and risk of BC in premenopausal women are fewer than those in postmenopausal women. In addition, the possibility that the beneficial effects of the MD are due to a single component or might more probably derive from the synergic effects of all components of the MD remains a scantly explored field. Considering the increased risk of recurrence and mortality rate of BC in premenopausal women as compared with postmenopausal women, the aim of the present report is to provide a general overview of the current evidence on the relationship between BC and the MD specifically in premenopausal women, and to emphasise the potential role of the MD as an effective measure to reduce the risk of developing BC in premenopausal women.
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Ahmadi N, Mohamed S, Sulaiman Rahman H, Rosli R. Epicatechin and scopoletin-rich Morinda citrifolia leaf ameliorated leukemia via anti-inflammatory, anti-angiogenesis, and apoptosis pathways in vitro and in vivo. J Food Biochem 2019; 43:e12868. [PMID: 31353737 DOI: 10.1111/jfbc.12868] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 03/07/2019] [Accepted: 04/03/2019] [Indexed: 12/13/2022]
Abstract
The anti-leukemia mechanisms of Morinda citrifolia L. leaf extract were investigated on human Jurkat leukemia cells and in leukemia-induced BALB/c mice. The leukemia-induced mice were fed daily with the extract (100 or 200 mg/kg BW) and compared to ATRA (All-trans-retinoic-acid; 5 mg/kg BW). After 4 weeks' treatment, the extract (standardized to epicatechin and scopoletin), arrested Jurkat cell-cycle at the G0/G1 phase and activated the caspase-3 and caspase-8 (death-receptor extrinsic pathways). The extract dose-dependently reduced the blood and bone marrow myeloblasts levels of leukemia-induced mice; upregulated cancer suppressor genes CSF3, SOCS1, PTEN and TRP53; increased anti-inflammatory IL10 and IL4; downregulated anti-apoptotic or proliferation genes; decreased the pro-inflammatory NF-κβ; suppressed pro-angiogenesis VEGFA mRNA expressions, and restored the homeostatic immune or leukocytes levels. The extract directly ameliorated leukemia via cancer cells apoptosis, suppressed inflammation and angiogenesis; and mitigated bone marrow myeloblasts imbalance, without any observable toxicity on the animals. PRACTICAL APPLICATIONS: The scopoletin (coumarin) and epicatechin (flavonoid)-rich Morinda citrifolia (Noni) leaves may be used as functional food ingredient, vegetables, or dietary supplements to treat and suppress leukemia progression by directly killing the cancer cells and preventing new cancer cells development and bone marrow myeloblast imbalance in the bone marrow, without being toxic to normal cells. The M. citrifolia leaf extract suppressed inflammation, and potential metastasis by inhibiting new cancer-related blood vessel formation.
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Affiliation(s)
- Negin Ahmadi
- Institute of Bioscience, Universiti Putra Malaysia, Serdang, Malaysia.,Petroleum Industry Health Organization, Masjedsoleiman, Imam Khomeini Hospital, Tehran, Iran.,Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Suhaila Mohamed
- Institute of Bioscience, Universiti Putra Malaysia, Serdang, Malaysia
| | - Heshu Sulaiman Rahman
- Institute of Bioscience, Universiti Putra Malaysia, Serdang, Malaysia.,College of Veterinary Medicine, University of Sulaimani, Sulaymaniyah, Republic of Iraq
| | - Rozita Rosli
- Institute of Bioscience, Universiti Putra Malaysia, Serdang, Malaysia
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21
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Cremonini E, Fraga CG, Oteiza PI. (-)-Epicatechin in the control of glucose homeostasis: Involvement of redox-regulated mechanisms. Free Radic Biol Med 2019; 130:478-488. [PMID: 30447350 DOI: 10.1016/j.freeradbiomed.2018.11.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 11/05/2018] [Accepted: 11/10/2018] [Indexed: 01/07/2023]
Abstract
Emerging evidence supports a beneficial action of the flavan-3-ol (-)-epicatechin (EC) on insulin sensitivity and potential impact on the development/progression of type 2 diabetes (T2D). In humans, supplementation with EC-rich foods, extracts, and pure EC improves insulin sensitivity and glucose tolerance in normal weight, overweight, obese and T2D individuals. These effects of EC are also observed in rodent models of diet-induced obesity and T2D. The events involved in the development of insulin resistance and T2D are multiple and interrelated. EC has been shown to inhibit inflammation, oxidative and endoplasmic reticulum stress, to modulate mitochondrial biogenesis and function, and to regulate events in the gastrointestinal tract and the pancreas that impact glucose homeostasis. A downregulation of oxidant production, particularly through direct inhibition or suppression of NADPH oxidase expression, and of redox sensitive signals (NF-κB, JNK1/2) that inhibit the insulin pathway, appear to be central to the beneficial actions of EC on insulin sensitivity. Overall, EC seems to have a positive role in the regulation of glucose homeostasis, however definitive answers on its importance for the management of T2D will depend on further clinical and mechanistic studies.
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Affiliation(s)
- Eleonora Cremonini
- Department of Nutrition, University of California, Davis, USA; Department of Environmental Toxicology, University of California, Davis, USA
| | - Cesar G Fraga
- Department of Nutrition, University of California, Davis, USA; Fisicoquímica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina; Instituto de Bioquímica y Medicina Molecular (IBIMOL), UBA-CONICET, Buenos Aires, Argentina
| | - Patricia I Oteiza
- Department of Nutrition, University of California, Davis, USA; Department of Environmental Toxicology, University of California, Davis, USA.
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22
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Epicatechin alleviates inflammation in lipopolysaccharide-induced acute lung injury in mice by inhibiting the p38 MAPK signaling pathway. Int Immunopharmacol 2019; 66:146-153. [DOI: 10.1016/j.intimp.2018.11.016] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2018] [Revised: 11/08/2018] [Accepted: 11/11/2018] [Indexed: 01/08/2023]
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23
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Cho YJ, Lee HG, Seo KH, Yokoyama W, Kim H. Antiobesity Effect of Prebiotic Polyphenol-Rich Grape Seed Flour Supplemented with Probiotic Kefir-Derived Lactic Acid Bacteria. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:12498-12511. [PMID: 30392364 DOI: 10.1021/acs.jafc.8b03720] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The interaction between prebiotics and probiotics may exert synergistic health benefits. This study investigated the combined effects of polyphenol-rich wine grape seed flour (GSF), a prebiotic, and lactic acid bacteria (LAB) derived from kefir, a probiotic, on obesity-related metabolic disease in high-fat diet (HFD) induced obese (DIO) mice. DIO mice were fed with HFD with 6% microcrystalline cellulose (CON) or HFD supplemented with GSF (5% or 10% GSF), HFD with LAB orally administrated (LAB), or HFD with a combination of GSF and LAB orally administrated (GSF+LAB) for 9 weeks. The vehicle, saline, was also orally administered to the CON and GSF groups. In comparison to CON, all GSF and LAB groups showed a reduction ( P < 0.05) in HF-induced weight gain, liver and adipose tissue weights, plasma lipid concentrations, insulin resistance, and glucose intolerance. The combination of 10% GSF and LAB showed synergistic effects ( P < 0.05) on body weight gain, plasma insulin and total cholesterol concentrations, and cecum propionate contents. Plasma zonulin and cecum propionate concentrations and intestinal FXR gene expression were ( P < 0.05) correlated with body weight gain. A pathway analysis of microarray data of adipose tissue showed that the combination of GSF and LAB affected genes involved in metabolic and immunological diseases, including inflammasome complex assembly ( P < 0.05). In conclusion, a combination of GSF and LAB inhibited HF-induced obesity and inflammation via alterations in intestinal permeability and adipocyte gene expression.
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Affiliation(s)
- Yun-Ju Cho
- Department of Food and Nutrition , Hanyang University , 222 Wangsimni-ro , Seongdong-gu, Seoul 04763 , South Korea
| | - Hyeon Gyu Lee
- Department of Food and Nutrition , Hanyang University , 222 Wangsimni-ro , Seongdong-gu, Seoul 04763 , South Korea
| | - Kun-Ho Seo
- KU Center for Food Safety, College of Veterinary Medicine , Konkuk University , Seoul , South Korea
| | - Wallace Yokoyama
- Western Regional Research Center , USDA , Albany , California , United States
| | - Hyunsook Kim
- Department of Food and Nutrition , Hanyang University , 222 Wangsimni-ro , Seongdong-gu, Seoul 04763 , South Korea
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Yahfoufi N, Alsadi N, Jambi M, Matar C. The Immunomodulatory and Anti-Inflammatory Role of Polyphenols. Nutrients 2018; 10:E1618. [PMID: 30400131 PMCID: PMC6266803 DOI: 10.3390/nu10111618] [Citation(s) in RCA: 752] [Impact Index Per Article: 125.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 10/17/2018] [Accepted: 10/23/2018] [Indexed: 02/07/2023] Open
Abstract
This review offers a systematic understanding about how polyphenols target multiple inflammatory components and lead to anti-inflammatory mechanisms. It provides a clear understanding of the molecular mechanisms of action of phenolic compounds. Polyphenols regulate immunity by interfering with immune cell regulation, proinflammatory cytokines' synthesis, and gene expression. They inactivate NF-κB (nuclear factor kappa-light-chain-enhancer of activated B cells) and modulate mitogen-activated protein Kinase (MAPk) and arachidonic acids pathways. Polyphenolic compounds inhibit phosphatidylinositide 3-kinases/protein kinase B (PI3K/AkT), inhibitor of kappa kinase/c-Jun amino-terminal kinases (IKK/JNK), mammalian target of rapamycin complex 1 (mTORC1) which is a protein complex that controls protein synthesis, and JAK/STAT. They can suppress toll-like receptor (TLR) and pro-inflammatory genes' expression. Their antioxidant activity and ability to inhibit enzymes involved in the production of eicosanoids contribute as well to their anti-inflammation properties. They inhibit certain enzymes involved in reactive oxygen species ROS production like xanthine oxidase and NADPH oxidase (NOX) while they upregulate other endogenous antioxidant enzymes like superoxide dismutase (SOD), catalase, and glutathione (GSH) peroxidase (Px). Furthermore, they inhibit phospholipase A2 (PLA2), cyclooxygenase (COX) and lipoxygenase (LOX) leading to a reduction in the production of prostaglandins (PGs) and leukotrienes (LTs) and inflammation antagonism. The effects of these biologically active compounds on the immune system are associated with extended health benefits for different chronic inflammatory diseases. Studies of plant extracts and compounds show that polyphenols can play a beneficial role in the prevention and the progress of chronic diseases related to inflammation such as diabetes, obesity, neurodegeneration, cancers, and cardiovascular diseases, among other conditions.
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Affiliation(s)
- Nour Yahfoufi
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H8L1, Canada.
| | - Nawal Alsadi
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H8L1, Canada.
| | - Majed Jambi
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H8L1, Canada.
| | - Chantal Matar
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H8L1, Canada.
- School of Nutrition, Faculty of Health Sciences, University of Ottawa, Ottawa, ON K1H8L1, Canada.
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25
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Daveri E, Cremonini E, Mastaloudis A, Hester SN, Wood SM, Waterhouse AL, Anderson M, Fraga CG, Oteiza PI. Cyanidin and delphinidin modulate inflammation and altered redox signaling improving insulin resistance in high fat-fed mice. Redox Biol 2018; 18:16-24. [PMID: 29890336 PMCID: PMC6035912 DOI: 10.1016/j.redox.2018.05.012] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 05/21/2018] [Accepted: 05/28/2018] [Indexed: 02/06/2023] Open
Abstract
Consumption of diets high in fat and/or fructose content promotes tissue inflammation, oxidative stress, and insulin resistance, activating signals (e.g. NF-κB/JNK) that downregulate the insulin cascade. Current evidence supports the concept that select flavonoids can mitigate obesity and type 2 diabetes (T2D). This work investigated if supplementation with the anthocyanidins (AC) cyanidin and delphinidin could attenuate the adverse consequences of consuming a high fat diet (HFD) in mice. Consumption of an AC-rich blend mitigated HFD-induced obesity, dyslipidemia and insulin resistance (impaired responses to insulin and glucose). HFD-fed mice were characterized by increased liver lipid deposition and inflammation, which were also attenuated upon AC supplementation. HFD caused liver oxidative stress showing an increased expression of NADPH oxidases, generators of superoxide and H2O2, and high levels of oxidized lipid-protein adducts. This was associated with the activation of the redox sensitive signals IKK/NF-κB and JNK1/2, and increased expression of the NF-κB-regulated PTP1B phosphatase, all known inhibitors of the insulin pathway. In agreement with an improved insulin sensitivity, AC supplementation inhibited oxidative stress, NF-κB and JNK activation, and PTP1B overexpression. Thus, cyanidin and delphinidin consumption either through diet or by supplementation could be a positive strategy to control the adverse effects of Western style diets, including overweight, obesity, and T2D. Modulation of inflammation, oxidative stress, and NF-κB/JNK activation emerge as relevant targets of AC beneficial actions.
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Key Words
- ac, anthocyanidins
- gip, gastric inhibitory polypeptide
- glp-1, glucagon-like peptide-1
- gtt, glucose tolerance test
- hfd, high fat diet
- 4-hne, 4-hydroxynonenal
- ikk, iκb kinase
- irs1, insulin receptor substrate-1
- itt, insulin tolerance test
- jnk, c-jun n-terminal kinase
- mcp-1, monocyte chemoattractant protein-1, nafld, nonalcoholic fatty liver disease
- nos2, inducible nitric oxide synthase
- nox, nadph oxidase
- ptp1b, protein tyrosine phosphatase 1b
- tnfα, tumor necrosis factor alpha
- t2d, type 2 diabetes
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Affiliation(s)
- Elena Daveri
- Department of Nutrition, University of California, Davis, CA, USA; Department of Environmental Toxicology, University of California, Davis, CA, USA
| | - Eleonora Cremonini
- Department of Nutrition, University of California, Davis, CA, USA; Department of Environmental Toxicology, University of California, Davis, CA, USA
| | | | | | - Steven M Wood
- Pharmanex Research, NSE Products, Inc., Provo, UT, USA
| | - Andrew L Waterhouse
- Department of Viticulture and Enology, University of California, Davis, CA, USA
| | - Mauri Anderson
- Department of Viticulture and Enology, University of California, Davis, CA, USA
| | - Cesar G Fraga
- Department of Nutrition, University of California, Davis, CA, USA; Fisicoquímica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina; Instituto de Bioquímica y Medicina Molecular (IBIMOL), UBA-CONICET, Buenos Aires, Argentina
| | - Patricia I Oteiza
- Department of Nutrition, University of California, Davis, CA, USA; Department of Environmental Toxicology, University of California, Davis, CA, USA.
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Davinelli S, Corbi G, Righetti S, Sears B, Olarte HH, Grassi D, Scapagnini G. Cardioprotection by Cocoa Polyphenols and ω-3 Fatty Acids: A Disease-Prevention Perspective on Aging-Associated Cardiovascular Risk. J Med Food 2018; 21:1060-1069. [PMID: 29723102 PMCID: PMC6206547 DOI: 10.1089/jmf.2018.0002] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Cardiovascular disease (CVD) remains the leading cause of death today. Many of the biochemical alterations associated with the pathophysiology of CVD can be modified by adequate intakes of bioactive nutrients through a correct diet or supplementation. Recently, there has been growing public and clinical interest in cocoa polyphenols (CPs) and omega-3 (ω-3) fatty acids. A plethora of nutritional intervention trials and experimental studies demonstrates that consumption of these bioactive food compounds is beneficial to promote cardiovascular health. The purpose of this review is to summarize the major cardioprotective effects of CPs and ω-3 fatty acids, providing a scientific rationale for incorporating the combination of these molecules as a nutritional intervention in the prevention of CVD. Although several studies have shown the individual cardioprotective nature of these compounds, a combination treatment with CPs and ω-3 fatty acids may be a promising approach to enhance the preventive value of these molecules and reduce cardiovascular risk factors associated with aging. Therefore, this article also reviews some of the key studies on the interaction between CPs and the metabolism of ω-3 fatty acids.
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Affiliation(s)
- Sergio Davinelli
- 1 Department of Medicine and Health Sciences " V. Tiberio", University of Molise , Campobasso, Italy
| | - Graziamaria Corbi
- 1 Department of Medicine and Health Sciences " V. Tiberio", University of Molise , Campobasso, Italy
| | | | - Barry Sears
- 3 Inflammation Research Foundation , Peabody, Massachusetts, USA
| | | | - Davide Grassi
- 5 Department of Life, Health and Environmental Sciences, University of L'Aquila , L'Aquila, Italy
| | - Giovanni Scapagnini
- 1 Department of Medicine and Health Sciences " V. Tiberio", University of Molise , Campobasso, Italy
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Fraga CG, Oteiza PI, Galleano M. Plant bioactives and redox signaling: (-)-Epicatechin as a paradigm. Mol Aspects Med 2018; 61:31-40. [PMID: 29421170 DOI: 10.1016/j.mam.2018.01.007] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 01/25/2018] [Accepted: 01/25/2018] [Indexed: 12/31/2022]
Abstract
Polyphenols are bioactives claimed to be responsible for some of the health benefits provided by fruit and vegetables. It is currently accepted that the bioactivities of polyphenols can be mostly ascribed to their interactions with proteins and lipids. Such interactions can affect cell oxidant production and cell signaling, and explain in part the ability of polyphenols to promote health. EC can modulate redox sensitive signaling by: i) defining the extent of oxidant levels that can modify cell signaling, function, and fate, e.g. regulating enzymes that generate superoxide, hydrogen peroxide and nitric oxide; or ii) regulating the activation of transcription factors sensible to oxidants. The latter includes the regulation of the nuclear factor E2-related factor 2 (Nfr2) pathway, which in turn can promote the synthesis of antioxidant defenses, and of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-kB) pathway, which mediates the expression of oxidants generating enzymes, as well as proteins not involved in redox reactions. In summary, a significant amount of data vindicates the participation of EC in redox regulated signaling pathways. Progress in the understanding of the molecular mechanisms involved in EC biological actions will help to define recommendations in terms of which fruit and vegetables are healthier and the amounts necessary to provide health effects.
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Affiliation(s)
- Cesar G Fraga
- Fisicoquímica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina; Instituto de Bioquímica y Medicina Molecular (IBIMOL), Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina; Department of Nutrition, University of California, Davis, USA.
| | - Patricia I Oteiza
- Department of Nutrition, University of California, Davis, USA; Department of Environmental Toxicology, University of California, Davis, USA
| | - Monica Galleano
- Fisicoquímica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina; Instituto de Bioquímica y Medicina Molecular (IBIMOL), Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
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28
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Antioxidant, Anti-Inflammatory, and Analgesic Activities of Agrimonia eupatoria L. Infusion. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 2017:8309894. [PMID: 28491113 PMCID: PMC5405390 DOI: 10.1155/2017/8309894] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 03/09/2017] [Indexed: 11/17/2022]
Abstract
Agrimony (Agrimonia eupatoria L.) (Ae) is used in traditional medicine to treat inflammatory and oxidative related diseases. Therefore, this study focuses on the anti-inflammatory and analgesic potential of Ae infusion (AeI). Phenolic compounds characterization was achieved by HPLC-PDA-ESI/MS n . To evaluate antioxidant potential, 2,2-diphenyl-1-picrylhydrazyl (DPPH), superoxide anion, hydroxyl radical, and SNAP assays were used. In vitro anti-inflammatory activity of AeI was investigated in LPS-stimulated macrophages by measuring the NO production. In vivo anti-inflammatory activity was validated using the mouse carrageenan-induced paw edema model. Peripheral and central analgesic potential was evaluated using the acetic acid-induced writhing and hot-plate tests, respectively, as well as the formalin assay to assess both activities. The safety profile was disclosed in vitro and in vivo, using MTT and hematoxylin assays, respectively. Vitexin, quercetin O-galloyl-hexoside, and kaempferol O-acetyl-hexosyl-rhamnoside were referred to in this species for the first time. AeI and mainly AePF (Ae polyphenolic fraction) showed a significant antiradical activity against all tested radicals. Both AeI and AePF decreased NO levels in vitro, AePF being more active than AeI. In vivo anti-inflammatory and analgesic activities were verified for both samples at concentrations devoid of toxicity. Agrimony infusion and, mainly, AePF are potential sources of antiradical and anti-inflammatory polyphenols.
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Tanaka S, Furuya K, Yamamoto K, Yamada K, Ichikawa M, Suda M, Makabe H. Procyanidin B2 gallates inhibit IFN-γ and IL-17 production in T cells by suppressing T-bet and RORγt expression. Int Immunopharmacol 2017; 44:87-96. [DOI: 10.1016/j.intimp.2017.01.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Revised: 12/26/2016] [Accepted: 01/06/2017] [Indexed: 01/15/2023]
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30
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Mendoza-Wilson AM, Carmelo-Luna FJ, Astiazarán-García H, Pacheco-Moreno BI, Anduro-Corona I, Rascón-Durán ML. DFT study of the physicochemical properties of A- and B-type procyanidin oligomers. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY 2016. [DOI: 10.1142/s0219633616500693] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The objective of this study was to determine the physicochemical properties of the oligomers of procyanidins (PCs) including PA1, PA2, PB1, PB2, PC1 and a B-type tetramer, taking into account of their conformations related to the interflavan links using the density functional theory (DFT). This information may provide useful insight into the potential effect of physicochemical properties on the absorption of PCs. The results indicate that A-type and B-type PCs in all of their conformations tend to be more stable in water than in octanol, showing a hydrophilic character due to their negative log [Formula: see text] values, which increase with the degree of polymerization (DP). The studied PCs, including the B-type tetramer, can achieve an appropriate molecular size (i.e. width and length) that can allow them to pass through the pores in the paracellular route in the human small intestine. The factor that could limit the absorption of the PC oligomers with increases in size is the higher number of hydroxyl groups exposed to the outside of the molecule due to their potential to interact with other molecules, which is based on electrostatic potential maps.
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Affiliation(s)
- Ana María Mendoza-Wilson
- Coordinación de Tecnología de Alimentos, de Origen Vegetal, CIAD, A.C., Carretera a la Victoria km 0.6, C. P. 83304, P. O. Box 1735 Hermosillo, Sonora 83304, México
| | - Francisco Javier Carmelo-Luna
- Coordinación de Tecnología de Alimentos, de Origen Vegetal, CIAD, A.C., Carretera a la Victoria km 0.6, C. P. 83304, P. O. Box 1735 Hermosillo, Sonora 83304, México
| | | | - Bertha I. Pacheco-Moreno
- Coordinación de Nutrición, CIAD, A.C., Carretera a la Victoria km 0.6, Hermosillo, Sonora 83304, México
| | - Iván Anduro-Corona
- Coordinación de Nutrición, CIAD, A.C., Carretera a la Victoria km 0.6, Hermosillo, Sonora 83304, México
| | - María Lucila Rascón-Durán
- Departamento de Ciencias Químico-Biológicas, Universidad de Sonora, Rosales y Blvd. Luis Encinas s/n, Col. Centro, Hermosillo, Sonora 83000, México
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31
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Rabadán-Chávez GM, Miliar Garcia A, Paniagua Castro N, Escalona Cardoso G, Quevedo-Corona L, Reyes-Maldonado E, Jaramillo-Flores ME. Modulating the expression of genes associated with hepatic lipid metabolism, lipoperoxidation and inflammation by cocoa, cocoa extract and cocoa flavanols related to hepatic steatosis induced by a hypercaloric diet. Food Res Int 2016. [DOI: 10.1016/j.foodres.2016.03.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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32
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Dark chocolate attenuates intracellular pro-inflammatory reactivity to acute psychosocial stress in men: A randomized controlled trial. Brain Behav Immun 2016; 57:200-208. [PMID: 27091601 DOI: 10.1016/j.bbi.2016.04.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 04/11/2016] [Accepted: 04/13/2016] [Indexed: 12/20/2022] Open
Abstract
Flavanol-rich dark chocolate consumption relates to lower risk of cardiovascular mortality, but underlying mechanisms are elusive. We investigated the effect of acute dark chocolate consumption on inflammatory measures before and after stress. Healthy men, aged 20-50years, were randomly assigned to a single intake of either 50g of flavanol-rich dark chocolate (n=31) or 50g of optically identical flavanol-free placebo-chocolate (n=34). Two hours after chocolate intake, both groups underwent the 15-min Trier Social Stress Test. We measured DNA-binding-activity of the pro-inflammatory transcription factor NF-κB (NF-κB-BA) in peripheral blood mononuclear cells, as well as plasma and whole blood mRNA levels of the pro-inflammatory cytokines IL-1β and IL-6, and the anti-inflammatory cytokine IL-10, prior to chocolate intake as well as before and several times after stress. We also repeatedly measured the flavanol epicatechin and the stress hormones epinephrine and cortisol in plasma and saliva, respectively. Compared to the placebo-chocolate-group, the dark-chocolate-group revealed a marginal increase in IL-10 mRNA prior to stress (p=0.065), and a significantly blunted stress reactivity of NF-κB-BA, IL-1β mRNA, and IL-6 mRNA (p's⩽0.036) with higher epicatechin levels relating to lower pro-inflammatory stress reactivity (p's⩽0.033). Stress hormone changes to stress were controlled. None of the other measures showed a significant chocolate effect (p's⩾0.19). Our findings indicate that acute flavanol-rich dark chocolate exerts anti-inflammatory effects both by increasing mRNA expression of the anti-inflammatory cytokine IL-10 and by attenuating the intracellular pro-inflammatory stress response. This mechanism may add to beneficial effects of dark chocolate on cardiovascular health.
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The Anti-Cancer Effect of Polyphenols against Breast Cancer and Cancer Stem Cells: Molecular Mechanisms. Nutrients 2016; 8:nu8090581. [PMID: 27657126 PMCID: PMC5037565 DOI: 10.3390/nu8090581] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 08/25/2016] [Accepted: 09/09/2016] [Indexed: 02/07/2023] Open
Abstract
The high incidence of breast cancer in developed and developing countries, and its correlation to cancer-related deaths, has prompted concerned scientists to discover novel alternatives to deal with this challenge. In this review, we will provide a brief overview of polyphenol structures and classifications, as well as on the carcinogenic process. The biology of breast cancer cells will also be discussed. The molecular mechanisms involved in the anti-cancer activities of numerous polyphenols, against a wide range of breast cancer cells, in vitro and in vivo, will be explained in detail. The interplay between autophagy and apoptosis in the anti-cancer activity of polyphenols will also be highlighted. In addition, the potential of polyphenols to target cancer stem cells (CSCs) via various mechanisms will be explained. Recently, the use of natural products as chemotherapeutics and chemopreventive drugs to overcome the side effects and resistance that arise from using chemical-based agents has garnered the attention of the scientific community. Polyphenol research is considered a promising field in the treatment and prevention of breast cancer.
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Evaluation of the Anti-Inflammatory Activity of Raisins (Vitis vinifera L.) in Human Gastric Epithelial Cells: A Comparative Study. Int J Mol Sci 2016; 17:ijms17071156. [PMID: 27447609 PMCID: PMC4964528 DOI: 10.3390/ijms17071156] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 07/05/2016] [Accepted: 07/13/2016] [Indexed: 02/07/2023] Open
Abstract
Raisins (Vitis vinifera L.) are dried grapes largely consumed as important source of nutrients and polyphenols. Several studies report health benefits of raisins, including anti-inflammatory and antioxidant properties, whereas the anti-inflammatory activity at gastric level of the hydro-alcoholic extracts, which are mostly used for food supplements preparation, was not reported until now. The aim of this study was to compare the anti-inflammatory activity of five raisin extracts focusing on Interleukin (IL)-8 and Nuclear Factor (NF)-κB pathway. Raisin extracts were characterized by High Performance Liquid Chromatography-Diode Array Detector (HPLC-DAD) analysis and screened for their ability to inhibit Tumor necrosis factor (TNF)α-induced IL-8 release and promoter activity in human gastric epithelial cells. Turkish variety significantly inhibited TNFα-induced IL-8 release, and the effect was due to the impairment of the corresponding promoter activity. Macroscopic evaluation showed the presence of seeds, absent in the other varieties; thus, hydro-alcoholic extracts from fruits and seeds were individually tested on IL-8 and NF-κB pathway. Seed extract inhibited IL-8 and NF-κB pathway, showing higher potency with respect to the fruit. Although the main effect was due to the presence of seeds, the fruit showed significant activity as well. Our data suggest that consumption of selected varieties of raisins could confer a beneficial effect against gastric inflammatory diseases.
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Eriobotrya japonica Water Extract Characterization: An Inducer of Interferon-Gamma Production Mainly by the JAK-STAT Pathway. Molecules 2016; 21:molecules21060722. [PMID: 27271577 PMCID: PMC6273127 DOI: 10.3390/molecules21060722] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2016] [Revised: 05/26/2016] [Accepted: 05/27/2016] [Indexed: 01/16/2023] Open
Abstract
Eriobotrya japonica (Thunb.) Lindl. (Loquat) (EJ) has been used as a medicinal plant to treat chronic bronchitis, coughs, phlegm, high fever and gastro-enteric disorders. Since the traditional use of EJ is related to modulating inflammation processes, our earlier studies on EJ leaves were performed on the water extract to investigate specific cytokines’ modulation. These earlier studies, however, have shown that EJ leaf water extract (WE) and the water phase (WP) induce cytokines’ production in in vitro and in vivo models. Therefore, the aim of this study was to specify the group(s) of compounds in EJ leaves that have this immunomodulatory activity and their mechanism of action. WE was obtained from boiling the leaves followed by butanol extraction, yielding a butanol-water phase (WP). WP was then subjected to methanol:acetone fractionation, yielding upper (MAU) and lower (MAL) phases. For further fractionation, MAU was subjected to column chromatography followed by elution with ethanol:water (EW), methanol:ethanol (ME) and, lastly, acetone:water (AW), respectively, to reveal three sub-fractions; MAU-EW, MAU-ME and MAU-AW. MAU-AW significantly increased IFN-γ production from unstimulated and stimulated mouse spleen cells, as well as CD3+ T cells and natural killer cells. Furthermore, the fold increase of IFN-γ production by MAU-AW was concentration dependent, higher than the parent extract or any of the other sub-fractions, and such an IFN-γ increase was reversed by two JAK-STAT inhibitors. In addition, MALDI-TOF-MS analysis of the extracts and sub-fractions showed compounds with molecular weights of >500 Daltons. The MAU-AW sub-fraction contained more polar compounds, such as flavonol and caffeic glycosides. In conclusion, these polar compounds in the EJ extract are responsible for inducing IFN-γ production. Further chemical elucidation is warranted to lead to a specific IFN-γ inducer and an immunomodulator in polarizing immune cells and balancing immune responses in certain diseases.
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36
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Ellinger S, Stehle P. Impact of Cocoa Consumption on Inflammation Processes-A Critical Review of Randomized Controlled Trials. Nutrients 2016; 8:nu8060321. [PMID: 27240397 PMCID: PMC4924162 DOI: 10.3390/nu8060321] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2016] [Revised: 05/09/2016] [Accepted: 05/20/2016] [Indexed: 01/08/2023] Open
Abstract
Background: Cocoa flavanols have strong anti-inflammatory properties in vitro. If these also occur in vivo, cocoa consumption may contribute to the prevention or treatment of diseases mediated by chronic inflammation. This critical review judged the evidence for such effects occurring after cocoa consumption. Methods: A literature search in Medline was performed for randomized controlled trials (RCTs) that investigated the effects of cocoa consumption on inflammatory biomarkers. Results: Thirty-three RCTs were included, along with 9 bolus and 24 regular consumption studies. Acute cocoa consumption decreased adhesion molecules and 4-series leukotrienes in serum, nuclear factor κB activation in leukocytes, and the expression of CD62P and CD11b on monocytes and neutrophils. In healthy subjects and in patients with cardiovascular diseases, most regular consumption trials did not find any changes except for a decreased number of endothelial microparticles, but several cellular and humoral inflammation markers decreased in patients suffering from type 2 diabetes and impaired fasting glucose. Conclusions: Little evidence exists that consumption of cocoa-rich food may reduce inflammation, probably by lowering the activation of monocytes and neutrophils. The efficacy seems to depend on the extent of the basal inflammatory burden. Further well-designed RCTs with inflammation as the primary outcome are needed, focusing on specific markers of leukocyte activation and considering endothelial microparticles as marker of vascular inflammation.
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Affiliation(s)
- Sabine Ellinger
- Faculty of Food, Nutrition and Hospitality Sciences Hochschule Niederrhein, University of Applied Sciences, Rheydter Str. 277, Mönchengladbach 41065, Germany.
| | - Peter Stehle
- Department of Nutrition and Food Sciences, Nutritional Physiology, University of Bonn, Endenicher Allee 11-13, Bonn 53115, Germany.
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Cremonini E, Bettaieb A, Haj FG, Fraga CG, Oteiza PI. (-)-Epicatechin improves insulin sensitivity in high fat diet-fed mice. Arch Biochem Biophys 2016; 599:13-21. [PMID: 26968772 DOI: 10.1016/j.abb.2016.03.006] [Citation(s) in RCA: 74] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Revised: 02/25/2016] [Accepted: 03/03/2016] [Indexed: 12/14/2022]
Abstract
Obesity constitutes a major public health concern, being frequently associated with type 2 diabetes (T2D). Evidence from studies in humans and experimental animals suggest that consumption of the flavan-3-ol (-)-epicatechin (EC) and of EC-rich foods may improve insulin sensitivity. To further understand the potential benefits of dietary EC consumption on insulin resistance, this study investigated the capacity of EC supplementation to prevent high fat diet (HFD)-induced insulin resistance in mice. To assess the underlying mechanisms, the effects of HFD and EC consumption on the activation of the insulin cascade and of its negative modulators were evaluated. HFD consumption for 15 w caused obesity and insulin resistance in C57BL/6J mice as evidenced by high fasted and fed plasma glucose and insulin levels, and impaired ITT and GTT tests. This was associated with alterations in the activation of components of the insulin-triggered signaling cascade (insulin receptor, IRS1, ERK1/2, Akt) in adipose and liver tissues. EC supplementation prevented/ameliorated all these parameters. EC acted improving insulin sensitivity in the HFD-fed mice in part through a downregulation of the inhibitory molecules JNK, IKK, PKC and protein tyrosine phosphatase 1B (PTP1B). Thus, the above results suggest that consumption of EC-rich foods could constitute a dietary strategy to mitigate obesity-associated insulin resistance.
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Affiliation(s)
- Eleonora Cremonini
- Department of Nutrition, University of California, Davis, USA; Department of Environmental Toxicology, University of California, Davis, USA
| | - Ahmed Bettaieb
- Department of Nutrition, University of California, Davis, USA
| | - Fawaz G Haj
- Department of Nutrition, University of California, Davis, USA; Department of Internal Medicine, University of California, Davis, USA
| | - Cesar G Fraga
- Department of Nutrition, University of California, Davis, USA; Physical Chemistry-IBIMOL (UBA-CONICET), School of Pharmacy and Biochemistry, University of Buenos Aires-CONICET, Argentina
| | - Patricia I Oteiza
- Department of Nutrition, University of California, Davis, USA; Department of Environmental Toxicology, University of California, Davis, USA.
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Wi SM, Min Y, Lee KY. Charged MVB protein 5 is involved in T-cell receptor signaling. Exp Mol Med 2016; 48:e206. [PMID: 26821576 PMCID: PMC4892854 DOI: 10.1038/emm.2015.102] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Revised: 09/07/2015] [Accepted: 10/05/2015] [Indexed: 12/13/2022] Open
Abstract
Charged multivesicular body protein 5 (CHMP5) has a key role in multivesicular body biogenesis and a critical role in the downregulation of signaling pathways through receptor degradation. However, the role of CHMP5 in T-cell receptor (TCR)–mediated signaling has not been previously investigated. In this study, we utilized a short hairpin RNA-based RNA interference approach to investigate the functional role of CHMP5. Upon TCR stimulation, CHMP5-knockdown (CHMP5KD) Jurkat T cells exhibited activation of TCR downstream signaling molecules, such as PKCθ and IKKαβ, and resulted in the activation of nuclear factor-κB and the marked upregulation of TCR-induced gene expression. Moreover, we found that activator protein-1 and nuclear factor of activated T-cells transcriptional factors were markedly activated in CHMP5KD Jurkat cells in response to TCR stimulation, which led to a significant increase in interleukin-2 secretion. Biochemical studies revealed that CHMP5 endogenously forms high-molecular-weight complexes, including TCR molecules, and specifically interacts with TCRβ. Interestingly, flow cytometry analysis also revealed that CHMP5KD Jurkat T cells exhibit upregulation of TCR expression on the cell surface compared with control Jurkat T cells. Taken together, these findings demonstrated that CHMP5 might be involved in the homeostatic regulation of TCR on the cell surface, presumably through TCR recycling or degradation. Thus CHMP5 is implicated in TCR-mediated signaling.
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Affiliation(s)
- Sae Mi Wi
- Department of Molecular Cell Biology and Samsung Biomedical Research Institute, Sungkyunkwan University School of Medicine, Suwon, Republic of Korea
| | - Yoon Min
- Department of Molecular Cell Biology and Samsung Biomedical Research Institute, Sungkyunkwan University School of Medicine, Suwon, Republic of Korea
| | - Ki-Young Lee
- Department of Molecular Cell Biology and Samsung Biomedical Research Institute, Sungkyunkwan University School of Medicine, Suwon, Republic of Korea
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Liu HW, Wei CC, Chang SJ. Low-molecular-weight polyphenols protect kidney damage through suppressing NF-κB and modulating mitochondrial biogenesis in diabetic db/db mice. Food Funct 2016; 7:1941-1949. [DOI: 10.1039/c6fo00078a] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Abstract
We examined the protective effects of oligonol, a low-molecular-weight polyphenol derived from lychee fruit and green tea, on kidney damage in diabeticdb/dbmice.
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Affiliation(s)
- Hung-Wen Liu
- Department of Life Sciences
- National Cheng Kung University
- Tainan
- Taiwan
| | - Chu-Chun Wei
- Department of Life Sciences
- National Cheng Kung University
- Tainan
- Taiwan
| | - Sue-Joan Chang
- Department of Life Sciences
- National Cheng Kung University
- Tainan
- Taiwan
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40
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Abstract
Atherosclerotic lesions initiate in regions characterized by low shear stress and reduced activity of endothelial atheroprotective molecules such as nitric oxide, which is the key molecule managing vascular homeostasis. The generation of reactive oxygen species from the vascular endothelium is strongly related to various enzymes, such as xanthine oxidase, endothelial nitric oxide synthase and nicotinamide-adenine dinucleotide phosphate oxidase. Several pharmaceutical agents, including angiotensin converting enzyme inhibitors, angiotensin receptors blockers and statins, along with a variety of other agents, have demonstrated additional antioxidant properties beyond their principal role. Reports regarding the antioxidant role of vitamins present controversial results, especially those based on large scale studies. In addition, there is growing interest on the role of dietary flavonoids and their potential to improve endothelial function by modifying the oxidative stress status. However, the vascular-protective role of flavonoids and especially their antioxidant properties are still under investigation. Indeed, further research is required to establish the impact of the proposed new therapeutic strategies in atherosclerosis.
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Nazimabashir, Manoharan V, Miltonprabu S. RETRACTED: Cadmium induced cardiac oxidative stress in rats and its attenuation by GSP through the activation of Nrf2 signaling pathway. Chem Biol Interact 2015; 242:179-93. [PMID: 26462792 DOI: 10.1016/j.cbi.2015.10.005] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Revised: 09/21/2015] [Accepted: 10/06/2015] [Indexed: 01/11/2023]
Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the Editor-in-Chief. Western Blots from Figures 8B and 9A appear similar to Blots from Figure 4A of the article previously published by the authors in Biochemistry and Cell Biology 93 (2015) 210-226 https://doi.org/10.1139/bcb-2014-0114 and Figures 12 and 14 of the article previously published by the corresponding author et al in Biomedicine & Preventive Nutrition 4 (2014) 561-577 https://doi.org/10.1016/j.bionut.2014.08.003, although the Western Blots purportedly described different samples. Also, sections within the panels from Figures 10 and 11D appear unusually similar to each other. The explanation provided by the corresponding author was not satisfactory and the Editor decided to retract the article.
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Affiliation(s)
- Nazimabashir
- Department of Zoology, Faculty of Science, Annamalai University, Annamalainagar, 608002, Tamilnadu, India
| | - Vaihundam Manoharan
- Department of Zoology, Faculty of Science, Annamalai University, Annamalainagar, 608002, Tamilnadu, India
| | - Selvaraj Miltonprabu
- Department of Zoology, Faculty of Science, Annamalai University, Annamalainagar, 608002, Tamilnadu, India.
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The role of natural polyphenols in cell signaling and cytoprotection against cancer development. J Nutr Biochem 2015; 32:1-19. [PMID: 27142731 DOI: 10.1016/j.jnutbio.2015.11.006] [Citation(s) in RCA: 96] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Revised: 10/13/2015] [Accepted: 11/09/2015] [Indexed: 12/20/2022]
Abstract
The cytoprotective and anticancer action of dietary in-taken natural polyphenols has for long been attributed only to their direct radical scavenging activities. Currently it is well supported that those compounds display a broad spectrum of biological and pharmacological outcomes mediated by their complex metabolism, interaction with gut microbiota as well as direct interactions of their metabolites with key cellular signaling proteins. The beneficial effects of natural polyphenols and their synthetic derivatives are extensively studied in context of cancer prophylaxis and therapy. Herein we focus on cell signaling to explain the beneficial role of polyphenols at the three stages of cancer development: we review the recent proceedings about the impact of polyphenols on the cytoprotective antioxidant response and their proapoptotic action at the premalignant stage, and finally we present data showing how phenolic acids (e.g., caffeic, chlorogenic acids) and flavonols (e.g., quercetin) hamper the development of metastatic cancer.
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Patel S, Vajdy M. Induction of cellular and molecular immunomodulatory pathways by vitamin A and flavonoids. Expert Opin Biol Ther 2015; 15:1411-28. [PMID: 26185959 DOI: 10.1517/14712598.2015.1066331] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
INTRODUCTION A detailed study of reports on the immunomodulatory properties of vitamin A and select flavonoids may pave the way for using these natural compounds or compounds with similar structures in novel drug and vaccine designs against infectious and autoimmune diseases and cancers. AREAS COVERED Intracellular transduction pathways, cellular differentiation and functional immunomodulatory responses have been reviewed. The reported studies encompass in vitro, in vivo preclinical and clinical studies that address the role of vitamin A and select flavonoids in induction of innate and adaptive B- and T-cell responses, including TH1, TH2 and regulatory T cells (Treg). EXPERT OPINION While the immunomodulatory role of vitamin A, and related compounds, is well-established in many preclinical studies, its role in humans has begun to gain wider acceptance. In contrast, the role of flavonoids is mostly controversial in clinical trials, due to the diversity of the various classes of these compounds, and possibly due to the purity and the selected doses of the compounds. However, current preclinical and clinical studies warrant further detailed studies of these promising immunomodulatory compounds.
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Affiliation(s)
- Sapna Patel
- a EpitoGenesis, Inc. , 1392 Storrs Rd Unit 4213, ATL Building, Rm 101, Storrs, CT 06269, USA
| | - Michael Vajdy
- a EpitoGenesis, Inc. , 1392 Storrs Rd Unit 4213, ATL Building, Rm 101, Storrs, CT 06269, USA
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Nazima B, Manoharan V, Miltonprabu S. Grape seed proanthocyanidins ameliorates cadmium-induced renal injury and oxidative stress in experimental rats through the up-regulation of nuclear related factor 2 and antioxidant responsive elements. Biochem Cell Biol 2015; 93:210-26. [DOI: 10.1139/bcb-2014-0114] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Cadmium (Cd) preferentially accumulates in the kidney, the major target for Cd-related toxicity. Cd-induced reactive oxygen species (ROS) have been considered crucial mediators for renal injury. The biologically significant ionic form of cadmium (Cd+) binds to many bio-molecules, and these interactions underlie the toxicity mechanisms of Cd. The present study was hypothesized to explore the protective effect of grape seed proanthocyanidins (GSP) on Cd-induced renal toxicity and to elucidate the potential mechanism. Male Wistar rats were treated with Cd as cadmium chloride (CdCl2, 5 mg·kg−1 bw, orally) and orally pre-administered with GSP (100 mg·kg−1 bw) 90 min before Cd intoxication for 4 weeks to evaluate renal damage of Cd and antioxidant potential of GSP. Serum renal function parameters (blood urea nitrogen and creatinine) levels in serum and urine, renal oxidative stress (lipid peroxidation, protein carbonylation, enzymatic, and non-enzymatic antioxidants), inflammatory (NF-κB p65, NO, TNF-α, IL-6), apoptotic (caspase-3, caspase-9, Bax, Bcl-2), membrane bound ATPases, and Nrf2 (HO-1, keap1, γ-GCS, and μ-GST) markers were evaluated in Cd-treated rats. Pretreatment with GSP revealed a significant improvement in renal oxidative stress markers in kidneys of Cd-treated rats. In addition, GSP treatment decreases the amount of iNOS, NF-κB, TNF-α, caspase-3, and Bax and increases the levels Bcl-2 protein expression. Similarly, mRNA and protein analyses substantiated that GSP treatment notably normalizes the renal expression of Nrf2/Keap1 and its downstream regulatory proteins in the Cd-treated rats. Histopathological and ultra-structural observations also demonstrated that GSP effectively protects the kidney from Cd-induced oxidative damage. These findings suggest that GSP ameliorates renal dysfunction and oxidative stress through the activation of Nrf2 pathway in Cd-intoxicated rats.
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Affiliation(s)
- Bashir Nazima
- Department of Zoology, Faculty of Science, Annamalai University, Annamalainagar 608002, Tamilnadu, India
- Department of Zoology, Faculty of Science, Annamalai University, Annamalainagar 608002, Tamilnadu, India
| | - Vaihundam Manoharan
- Department of Zoology, Faculty of Science, Annamalai University, Annamalainagar 608002, Tamilnadu, India
- Department of Zoology, Faculty of Science, Annamalai University, Annamalainagar 608002, Tamilnadu, India
| | - Selvaraj Miltonprabu
- Department of Zoology, Faculty of Science, Annamalai University, Annamalainagar 608002, Tamilnadu, India
- Department of Zoology, Faculty of Science, Annamalai University, Annamalainagar 608002, Tamilnadu, India
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Yang DJ, Liu SC, Chen YC, Hsu SH, Chang YP, Lin JT. Three Pathways Assess Anti-Inflammatory Response of Epicatechin with Lipopolysaccharide-Mediated Macrophage RAW264.7 Cells. J Food Biochem 2015. [DOI: 10.1111/jfbc.12134] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Deng-Jye Yang
- School of Health Diet and Industry Management; Chung Shan Medical University; Taichung Taiwan
- Department of Nutrition; Chung Shan Medical University Hospital; Taichung Taiwan
| | - Shih-Chuan Liu
- School of Health Diet and Industry Management; Chung Shan Medical University; Taichung Taiwan
- Department of Nutrition; Chung Shan Medical University Hospital; Taichung Taiwan
| | - Yi-Chen Chen
- Department of Animal Science and Technology; National Taiwan University; Taipei Taiwan
| | - Shih-Han Hsu
- School of Health Diet and Industry Management; Chung Shan Medical University; Taichung Taiwan
- Department of Nutrition; Chung Shan Medical University Hospital; Taichung Taiwan
| | - Yu-Pei Chang
- School of Health Diet and Industry Management; Chung Shan Medical University; Taichung Taiwan
- Department of Nutrition; Chung Shan Medical University Hospital; Taichung Taiwan
| | - Jau-Tien Lin
- School of Medical Applied Chemistry; Chung Shan Medical University; 110 Section 1 Jianguo N. Road Taichung 402 Taiwan
- Department of Medical Education; Chung Shan Medical University Hospital; 110 Section 1 Jianguo N. Road Taichung 402 Taiwan
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46
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Contreras TC, Ricciardi E, Cremonini E, Oteiza PI. (-)-Epicatechin in the prevention of tumor necrosis alpha-induced loss of Caco-2 cell barrier integrity. Arch Biochem Biophys 2015; 573:84-91. [PMID: 25795020 DOI: 10.1016/j.abb.2015.01.024] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Revised: 01/08/2015] [Accepted: 01/27/2015] [Indexed: 12/11/2022]
Abstract
An increased permeability of the intestinal barrier is proposed as a major event in the pathophysiology of inflammatory bowel diseases (IBD). Tumor necrosis alpha (TNFα) plays a central role in IBD pathogenesis, in part promoting tight function (TJ) barrier dysfunction. Food extracts enriched in (-)-epicatechin (EC) prevent the development or improve the progression of IBD in animal models. This study investigated the capacity of EC to inhibit TNFα-induced permeabilization of Caco-2 cell monolayers, characterizing the underlying mechanisms. Caco-2 cells differentiated into intestinal epithelial cells were incubated in the absence/presence of TNFα, with or without the addition of 0.5-5 μM EC. TNFα triggered cell monolayer permeabilization, decreasing transepithelial electrical resistance (TEER) and increasing the paracellular transport of fluorescein sulfonic acid. The permeabilizing effects of TNFα were not due to Caco-2 cell apoptosis as evaluated by DNA fragmentation, caspase 3 and 9 activation, and cell morphology. EC prevented TNFα-triggered Caco-2 monolayer permeabilization and acted inhibiting the associated: (i) NADPH oxidase (NOX)-mediated increased oxidant production, (ii) NF-κB (IκBα phosphorylation, p50 and RelA nuclear transport, and nuclear NF-κB-DNA binding) and ERK1/2 activation, (iii) increased myosin light kinase expression, and decreased TJ protein ZO-1 levels. In summary, EC prevented TNFα-mediated Caco-2 cell barrier permeabilization in part through the inhibition of NOX/NF-κB activation and downstream TJ disruption. Diets rich in EC could contribute to ameliorate IBD-associated increased intestinal permeability.
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Affiliation(s)
- Telma C Contreras
- Department of Nutrition, University of California, Davis, CA, USA; Department of Environmental Toxicology, University of California, Davis, CA, USA
| | - Elisabetta Ricciardi
- Department of Nutrition, University of California, Davis, CA, USA; Department of Environmental Toxicology, University of California, Davis, CA, USA
| | - Eleonora Cremonini
- Department of Nutrition, University of California, Davis, CA, USA; Department of Environmental Toxicology, University of California, Davis, CA, USA
| | - Patricia I Oteiza
- Department of Nutrition, University of California, Davis, CA, USA; Department of Environmental Toxicology, University of California, Davis, CA, USA.
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47
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Hori T, Barnor J, Nguyen Huu T, Morinaga O, Hamano A, Ndzinu J, Frimpong A, Minta-Asare K, Amoa-Bosompem M, Brandful J, Odoom J, Bonney J, Tuffour I, Owusu BA, Ofosuhene M, Atchoglo P, Sakyiamah M, Adegle R, Appiah-Opong R, Ampofo W, Koram K, Nyarko A, Okine L, Edoh D, Appiah A, Uto T, Yoshinaka Y, Uota S, Shoyama Y, Yamaoka S. Procyanidin trimer C1 derived from Theobroma cacao reactivates latent human immunodeficiency virus type 1 provirus. Biochem Biophys Res Commun 2015; 459:288-293. [PMID: 25727021 DOI: 10.1016/j.bbrc.2015.02.102] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Accepted: 02/19/2015] [Indexed: 10/23/2022]
Abstract
Despite remarkable advances in combination antiretroviral therapy (cART), human immunodeficiency virus type 1 (HIV-1) infection remains incurable due to the incomplete elimination of the replication-competent virus, which persists in latent reservoirs. Strategies for targeting HIV reservoirs for eradication that involves reactivation of latent proviruses while protecting uninfected cells by cART are urgently needed for cure of HIV infection. We screened medicinal plant extracts for compounds that could reactivate the latent HIV-1 provirus and identified a procyanidin trimer C1 derived from Theobroma cacao as a potent activator of the provirus in human T cells latently infected with HIV-1. This reactivation largely depends on the NF-κB and MAPK signaling pathways because either overexpression of a super-repressor form of IκBα or pretreatment with a MEK inhibitor U0126 diminished provirus reactivation by C1. A pan-PKC inhibitor significantly blocked the phorbol ester-induced but not the C1-induced HIV-1 reactivation. Although C1-induced viral gene expression persisted for as long as 48 h post-stimulation, NF-κB-dependent transcription peaked at 12 h post-stimulation and then quickly declined, suggesting Tat-mediated self-sustainment of HIV-1 expression. These results suggest that procyanidin C1 trimer is a potential compound for reactivation of latent HIV-1 reservoirs.
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Affiliation(s)
| | - Jacob Barnor
- Noguchi Memorial Institute for Medical Research, Ghana
| | | | | | | | - Jerry Ndzinu
- Tokyo Medical and Dental University, Japan; Noguchi Memorial Institute for Medical Research, Ghana
| | | | | | | | | | - John Odoom
- Noguchi Memorial Institute for Medical Research, Ghana
| | - Joseph Bonney
- Noguchi Memorial Institute for Medical Research, Ghana
| | - Isaac Tuffour
- Noguchi Memorial Institute for Medical Research, Ghana
| | | | | | | | | | | | | | | | | | | | - Laud Okine
- Centre for Plant Medicine Research, Ghana
| | | | | | | | | | - Shin Uota
- Tokyo Medical and Dental University, Japan
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48
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Piotrkowski B, Calabró V, Galleano M, Fraga CG. (−)-Epicatechin prevents alterations in the metabolism of superoxide anion and nitric oxide in the hearts ofl-NAME-treated rats. Food Funct 2015; 6:155-61. [DOI: 10.1039/c4fo00554f] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The aim of this work was to evaluate the effects of (−)-epicatechin administration in the heart of a rat model with reduced NO production that follows a short-term treatment withl-NAME.
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Affiliation(s)
- Barbara Piotrkowski
- Physical Chemistry and Institute of Molecular Biochemistry and Medicine
- University of Buenos Aires (IBIMOL) – CONICET
- School of Pharmacy and Biochemistry
- University of Buenos Aires
- Argentina
| | - Valeria Calabró
- Physical Chemistry and Institute of Molecular Biochemistry and Medicine
- University of Buenos Aires (IBIMOL) – CONICET
- School of Pharmacy and Biochemistry
- University of Buenos Aires
- Argentina
| | - Mónica Galleano
- Physical Chemistry and Institute of Molecular Biochemistry and Medicine
- University of Buenos Aires (IBIMOL) – CONICET
- School of Pharmacy and Biochemistry
- University of Buenos Aires
- Argentina
| | - César G. Fraga
- Physical Chemistry and Institute of Molecular Biochemistry and Medicine
- University of Buenos Aires (IBIMOL) – CONICET
- School of Pharmacy and Biochemistry
- University of Buenos Aires
- Argentina
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49
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Butein suppresses ICAM-1 expression through the inhibition of IκBα and c-Jun phosphorylation in TNF-α- and PMA-treated HUVECs. Int Immunopharmacol 2014; 24:267-275. [PMID: 25533502 DOI: 10.1016/j.intimp.2014.12.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 12/05/2014] [Accepted: 12/09/2014] [Indexed: 11/20/2022]
Abstract
Butein (3,4,2',4'-tetrahydroxychalcone), a flavonoid derivative, has been reported to show several biological actions, including anti-inflammatory and anti-cancer. However, the possible molecular mechanisms involved are poorly understood. Treatment of human umbilical vein endothelial cells (HUVECs) with butein significantly inhibited cell surface intercellular adhesion molecule-1 (ICAM-1) expression, ICAM-1 protein synthesis, and mRNA expression induced by tumor necrotic factor-α (TNF-α) and/or phorbol 12-myristate 13-acetate (PMA). Electrophoretic mobility shift assay revealed that butein blocked activation of transcription factors, nuclear factor-κB (NF-κB) and activator protein-1 (AP-1), induced by TNF-α and PMA. Moreover, butein abolished TNF-α- and PMA-induced IκBα phosphorylation, which participates in NF-κB activation, and PMA-induced phosphorylation of c-Jun, a subunit composed of AP-1. In vitro, butein inhibited the phosphorylation of c-Jun, binding to GST beads, mediated by JNK isolated from PMA-treated cells. The inhibitory action of butein on the JNK-mediated in vitro c-Jun phosphorylation was abrogated in the presence of ATP. These results indicate that in HUVECs, butein suppresses the expression of ICAM-1 mRNA and protein through the inhibition of the activation of NF-κB and AP-1 induced by TNF-α and PMA, that the inhibitory action of butein on NF-κB activation results from the inhibition of IκBα phosphorylation by IκB kinase (IKK), and that the inactivation of PMA-activated AP-1 by butein is due to the blocking of JNK-mediated c-Jun phosphorylation through the inhibition of ATP binding.
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50
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Mena P, Domínguez-Perles R, Gironés-Vilaplana A, Baenas N, García-Viguera C, Villaño D. Flavan-3-ols, anthocyanins, and inflammation. IUBMB Life 2014; 66:745-58. [PMID: 25504851 DOI: 10.1002/iub.1332] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Accepted: 11/18/2014] [Indexed: 12/19/2022]
Abstract
The process of inflammation constitutes a reactive response of the organism to tissue damage and is an important factor making part of a number of degenerative pathologies as insulin resistance, dyslipidemia, and hypertension, all of them comprised in the metabolic syndrome. There is an increasing interest in plant products rich in flavan-3-ols and anthocyanins because of their potential beneficial effects observed in epidemiological studies against inflammatory-related diseases. Their anti-inflammatory effects are exerted by modulation of cell redox status and inhibition of signaling pathways as NF-κB activation. The effects depend on their concentrations in target tissues and hence the bioavailability pathways followed by each particular compound. In this sense, in vitro studies performed with parental compounds at doses exceeding to those found in vivo may be drawing erroneous conclusions about their real efficacy. Contradictory results have been observed in human intervention trials, which may be ascribed to the type of population studied, length of study, source of flavan-3-ol/anthocyanin, and dose provided. Human studies are required to confirm the positive effects found in vitro and in animal models. Future research should be focused on the understanding of dose/flavonoid intake-response relationship with pharmacokinetic studies, evaluating proper biomarkers of intake. Long-term dietary interventions are necessary to observe effects on markers of late activation as well as the possible preventive effects of these compounds on long-term inflammation-related diseases.
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Affiliation(s)
- Pedro Mena
- Laboratory of Phytochemicals in Physiology, Department of Food Science, University of Parma, Parma, Italy
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