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Park HW, Lee CE, Kim S, Jeong WJ, Kim K. Ex Vivo Peptide Decoration Strategies on Stem Cell Surfaces for Augmenting Endothelium Interaction. TISSUE ENGINEERING. PART B, REVIEWS 2024; 30:327-339. [PMID: 37830185 DOI: 10.1089/ten.teb.2023.0210] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Abstract
Ischemic vascular diseases remain leading causes of disability and death. Although various clinical therapies have been tried, reperfusion injury is a major issue, occurring when blood recirculates at the damaged lesion. As an alternative approach, cell-based therapy has emerged. Mesenchymal stem cells (MSCs) are attractive cellular candidates due to their therapeutic capacities, including differentiation, safety, angiogenesis, and tissue repair. However, low levels of receptors/ligands limit targeted migration of stem cells. Thus, it is important to improve homing efficacy of transplanted MSCs toward damaged endothelium. Among various MSC modulations, ex vivo cell surface engineering could effectively augment homing efficiency by decorating MSC surfaces with alternative receptors/ligands, thereby facilitating intercellular interactions with the endothelium. Especially, exogenous decoration of peptides onto stem cell surfaces could provide appropriate functional signaling moieties to achieve sufficient MSC homing. Based on their protein-like functionalities, high modularity in molecular design, and high specific affinities and multivalency to target receptors, peptides could be representative surface-presentable moieties. Moreover, peptides feature a mild synthetic process, enabling precise control of amino acid composition and sequence. Such ex vivo stem cell surface engineering could be achieved primarily by hydrophobic interactions of the cellular bilayer with peptide-conjugated anchor modules and by covalent conjugation between peptides and available compartments in membranes. To this end, this review provides an overview of currently available peptide-mediated, ex vivo stem cell surface engineering strategies for enhancing MSC homing efficiency by facilitating interactions with endothelial cells. Stem cell surface engineering techniques using peptide-based bioconjugates have the potential to revolutionize current vascular disease treatments while addressing their technical limitations.
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Affiliation(s)
- Hee Won Park
- Department of Chemical and Biochemical Engineering, Dongguk University, Seoul, Republic of Korea
| | - Chae Eun Lee
- Department of Chemical and Biochemical Engineering, Dongguk University, Seoul, Republic of Korea
| | - Sungjun Kim
- Department of Chemical and Biochemical Engineering, Dongguk University, Seoul, Republic of Korea
| | - Woo-Jin Jeong
- Department of Biological Engineering, Inha University, Incheon, Republic of Korea
| | - Kyobum Kim
- Department of Chemical and Biochemical Engineering, Dongguk University, Seoul, Republic of Korea
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2
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Johansen CG, Holcomb K, Sela A, Morrall S, Park D, Farnsworth NL. Extracellular matrix stiffness mediates insulin secretion in pancreatic islets via mechanosensitive Piezo1 channel regulated Ca 2+ dynamics. Matrix Biol Plus 2024; 22:100148. [PMID: 38803329 PMCID: PMC11128509 DOI: 10.1016/j.mbplus.2024.100148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 05/08/2024] [Accepted: 05/09/2024] [Indexed: 05/29/2024] Open
Abstract
The pancreatic islet is surrounded by ECM that provides both biochemical and mechanical cues to the islet β-cell to regulate cell survival and insulin secretion. Changes in ECM composition and mechanical properties drive β-cell dysfunction in many pancreatic diseases. While several studies have characterized changes in islet insulin secretion with changes in substrate stiffness, little is known about the mechanotransduction signaling driving altered islet function in response to mechanical cues. We hypothesized that increasing matrix stiffness will lead to insulin secretion dysfunction by opening the mechanosensitive ion channel Piezo1 and disrupting intracellular Ca2+ dynamics in mouse and human islets. To test our hypothesis, mouse and human cadaveric islets were encapsulated in a biomimetic reverse thermal gel (RTG) scaffold with tailorable stiffness that allows formation of islet focal adhesions with the scaffold and activation of Piezo1 in 3D. Our results indicate that increased scaffold stiffness causes insulin secretion dysfunction mediated by increases in Ca2+ influx and altered Ca2+ dynamics via opening of the mechanosensitive Piezo1 channel. Additionally, inhibition of Piezo1 rescued glucose-stimulated insulin secretion (GSIS) in islets in stiff scaffolds. Overall, our results emphasize the role mechanical properties of the islet microenvironment plays in regulating function. It also supports further investigation into the modulation of Piezo1 channel activity to restore islet function in diseases like type 2 diabetes (T2D) and pancreatic cancer where fibrosis of the peri-islet ECM leads to increased tissue stiffness and islet dysfunction.
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Affiliation(s)
- Chelsea G Johansen
- Department of Chemical & Biological Engineering, Colorado School of Mines, Golden, CO 80401, USA
| | - Keifer Holcomb
- Department of Chemical & Biological Engineering, Colorado School of Mines, Golden, CO 80401, USA
| | - Amit Sela
- Quantitative Biosciences & Engineering, Colorado School of Mines, Golden, CO 80401, USA
| | - Stephanie Morrall
- Quantitative Biosciences & Engineering, Colorado School of Mines, Golden, CO 80401, USA
| | - Daewon Park
- Department of Bioengineering, University of Colorado Denver Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Nikki L Farnsworth
- Department of Chemical & Biological Engineering, Colorado School of Mines, Golden, CO 80401, USA
- Quantitative Biosciences & Engineering, Colorado School of Mines, Golden, CO 80401, USA
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Gomes M, Zuchi IDP, Pavi CP, Fongaro G, da Silva IT, Pezzini BR. Skin- and Eco-Friendly Hand Sanitizer: A Novel Composition of Natural Extracts to Prevent the Spread of Respiratory Viruses. AAPS PharmSciTech 2024; 25:98. [PMID: 38714600 DOI: 10.1208/s12249-024-02808-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 04/17/2024] [Indexed: 05/10/2024] Open
Abstract
Respiratory diseases caused by viruses are a serious global health threat. Although the use of hand sanitizers containing alcohol and synthetic antiseptic agents is recognized as an effective, simple, and low-cost measure to combat viral transmission, they can harm human health and the environment. Thus, this work aimed to study the efficacy of combining Camellia sinensis and Chamomilla recutita extracts in a skin- and eco-friendly leave-on hand sanitizer to prevent the spread of respiratory viruses. An oil-in-water emulsion containing C. recutita oily extract (5.0%), C. recutita glycolic extract (0.2%) and C. sinensis glycolic extract (5.0%) showed virucidal activity against HAdV-2 (respiratory virus) and two surrogate viruses of SARS-CoV-2 (HSV-1 and MVH-3), showing great potential to prevent the spread of respiratory viruses. These natural extracts combined are also promising to combat a broad spectrum of other viruses, in the form of antiseptic mouthwashes or throat sprays, surface disinfectants, and veterinary products, among others. Complementally, the developed hand sanitizer demonstrated efficacy against bacteria and fungus.
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Affiliation(s)
- Marina Gomes
- Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Isabella Dai Prá Zuchi
- Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Catielen Paula Pavi
- Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Gislaine Fongaro
- Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Izabella Thaís da Silva
- Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
- Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Bianca Ramos Pezzini
- Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil.
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Ando K, Sugiyama I, Sadzuka Y. Preparation of Transdermal Gel Containing l-Theanine for the Potential Treatment of Premenstrual Syndrome: A Preclinical Study. WOMEN'S HEALTH REPORTS (NEW ROCHELLE, N.Y.) 2024; 5:193-200. [PMID: 38435100 PMCID: PMC10908322 DOI: 10.1089/whr.2023.0108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 01/13/2024] [Indexed: 03/05/2024]
Abstract
Background Premenstrual syndrome (PMS) is experienced by many women who suffer from either its psychological or physical symptoms. Current treatment is limited to symptomatic therapy or oral contraceptives. On the other hand, l-theanine, which has a relaxant effect, has been reported to be useful for PMS, but its short half-life when administered orally makes it less effective. Permeability and properties of transdermal gel containing l-theanine were evaluated as a preclinical study of PMS symptoms relief formulation. Materials and Methods Lyogel composed of stearic acid, stearyl alcohol, and propylene glycol was selected. The ratio of these components and the preparation method were investigated. Permeation of Strat-M membranes was evaluated by using Franz cells (in vitro). Moreover, lyogel was applied to institute of cancer research mice's backs for 10 days to examine the permeability of l-theanine. Results l-Theanine solution did not permeate the Strat-M membrane at all in the permeation study, but lyogel allowed l-theanine to permeate. When the composition of lyogel was 4.4:11.1:296 (mmol) for stearic acid, stearyl alcohol, and propylene glycol, l-theanine absorption through Strat-M membrane was better. In skin permeation study using mice, l-theanine was detected in the serum, that is, it was proven that l-theanine penetrated the skin. Conclusion The preparation of transdermal gels contained l-theanine was investigated as a preclinical study. The skin permeability of semisolid formulations of hydrophobic ointments, hydrophilic ointments, oily creams, creams, and lyogel containing theanine was compared and found that lyogel was the best. The composition of lyogel was also studied to obtain a formulation with good application comfort. Although it is suggested that this lyogel could be tested in clinical studies to determine whether it is effective for relief of PMS symptoms, lyogel may be suitable as an easy-to-use l-theanine-containing formulation for women that can relieve PMS symptoms.
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Affiliation(s)
- Kaana Ando
- Division of Pharmaceutical and Health Sciences, Graduate School of Pharmaceutical Science, Iwate Medical University, Yahaba-cho, Shiwa-gun, Iwate, Japan
| | - Ikumi Sugiyama
- Division of Pharmaceutical and Health Sciences, Graduate School of Pharmaceutical Science, Iwate Medical University, Yahaba-cho, Shiwa-gun, Iwate, Japan
- Department of Advanced Pharmaceutics, School of Pharmacy, Iwate Medical University, Yahaba-cho, Shiwa-gun, Iwate, Japan
| | - Yasuyuki Sadzuka
- Division of Pharmaceutical and Health Sciences, Graduate School of Pharmaceutical Science, Iwate Medical University, Yahaba-cho, Shiwa-gun, Iwate, Japan
- Department of Advanced Pharmaceutics, School of Pharmacy, Iwate Medical University, Yahaba-cho, Shiwa-gun, Iwate, Japan
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Lee CE, Kim S, Park HW, Lee W, Jangid AK, Choi Y, Jeong WJ, Kim K. Tailoring tumor-recognizable hyaluronic acid-lipid conjugates to enhance anticancer efficacies of surface-engineered natural killer cells. NANO CONVERGENCE 2023; 10:56. [PMID: 38097911 PMCID: PMC10721593 DOI: 10.1186/s40580-023-00406-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/01/2023] [Indexed: 12/18/2023]
Abstract
Natural killer (NK) cells have clinical advantages in adoptive cell therapy owing to their inherent anticancer efficacy and their ability to identify and eliminate malignant tumors. However, insufficient cancer-targeting ligands on NK cell surfaces often inhibit their immunotherapeutic performance, especially in immunosuppressive tumor microenvironment. To facilitate tumor recognition and subsequent anticancer function of NK cells, we developed hyaluronic acid (HA, ligands to target CD44 overexpressed onto cancer cells)-poly(ethylene glycol) (PEG, cytoplasmic penetration blocker)-Lipid (molecular anchor for NK cell membrane decoration through hydrophobic interaction) conjugates for biomaterial-mediated ex vivo NK cell surface engineering. Among these major compartments (i.e., Lipid, PEG and HA), optimization of lipid anchors (in terms of chemical structure and intrinsic amphiphilicity) is the most important design parameter to modulate hydrophobic interaction with dynamic NK cell membranes. Here, three different lipid types including 1,2-dimyristoyl-sn-glycero-3-phosphati-dylethanolamine (C14:0), 1,2-distearoyl-sn-glycero-3-phosphatidylethanolamine (DSPE, C18:0), and cholesterol were evaluated to maximize membrane coating efficacy and associated anticancer performance of surface-engineered NK cells (HALipid-NK cells). Our results demonstrated that NK cells coated with HA-PEG-DSPE conjugates exhibited significantly enhanced anticancer efficacies toward MDA-MB-231 breast cancer cells without an off-target effect on human fibroblasts specifically via increased NK cell membrane coating efficacy and prolonged surface duration of HA onto NK cell surfaces, thereby improving HA-CD44 recognition. These results suggest that our HALipid-NK cells with tumor-recognizable HA-PEG-DSPE conjugates could be further utilized in various cancer immunotherapies.
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Affiliation(s)
- Chae Eun Lee
- Department of Chemical & Biochemical Engineering, Dongguk University, Seoul, 04620, Republic of Korea
| | - Sungjun Kim
- Department of Chemical & Biochemical Engineering, Dongguk University, Seoul, 04620, Republic of Korea
| | - Hee Won Park
- Department of Chemical & Biochemical Engineering, Dongguk University, Seoul, 04620, Republic of Korea
| | - Wonjeong Lee
- Department of Chemical & Biochemical Engineering, Dongguk University, Seoul, 04620, Republic of Korea
| | - Ashok Kumar Jangid
- Department of Chemical & Biochemical Engineering, Dongguk University, Seoul, 04620, Republic of Korea
| | - Yonghyun Choi
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, Kanagawa, 226-8501, Japan
| | - Woo-Jin Jeong
- Department of Biological Engineering, Inha University, Incheon, 22212, Republic of Korea.
| | - Kyobum Kim
- Department of Chemical & Biochemical Engineering, Dongguk University, Seoul, 04620, Republic of Korea.
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Boone SA, Ijaz MK, Bright KR, Silva-Beltran NP, Nims RW, McKinney J, Gerba CP. Antiviral Natural Products, Their Mechanisms of Action and Potential Applications as Sanitizers and Disinfectants. FOOD AND ENVIRONMENTAL VIROLOGY 2023; 15:265-280. [PMID: 37906416 DOI: 10.1007/s12560-023-09568-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 09/29/2023] [Indexed: 11/02/2023]
Abstract
Plant extracts, natural products and plant oils contain natural virucidal actives that can be used to replace active ingredients in commercial sanitizers and disinfectants. This review focuses on the virucidal mechanisms of natural substances that may exhibit potential for indoor air and fomite disinfection. Review of scientific studies indicates: (1) most natural product studies use crude extracts and do not isolate or identify exact active antiviral substances; (2) many natural product studies contain unclear explanations of virucidal mechanisms of action; (3) natural product evaluations of virucidal activity should include methods that validate efficacy under standardized disinfectant testing procedures (e.g., carrier tests on applicable surfaces or activity against aerosolized viruses, etc.). The development of natural product disinfectants requires a better understanding of the mechanisms of action (MOA), chemical profiles, compound specificities, activity spectra, and the chemical formulations required for maximum activity. Combinations of natural antiviral substances and possibly the addition of synthetic compounds might be needed to increase inactivation of a broader spectrum of viruses, thereby providing the required efficacy for surface and air disinfection.
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Affiliation(s)
- Stephanie A Boone
- Department of Environmental Science, University of Arizona, Tucson, AZ, USA.
| | - M Khalid Ijaz
- Global Research & Development for Lysol and Dettol, Reckitt Benckiser LLC, Montvale, NJ, USA
| | - Kelly R Bright
- Department of Environmental Science, University of Arizona, Tucson, AZ, USA
| | | | | | - Julie McKinney
- Global Research & Development for Lysol and Dettol, Reckitt Benckiser LLC, Montvale, NJ, USA
| | - Charles P Gerba
- Department of Environmental Science, University of Arizona, Tucson, AZ, USA
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Jangid AK, Kim S, Kim K. Polymeric biomaterial-inspired cell surface modulation for the development of novel anticancer therapeutics. Biomater Res 2023; 27:59. [PMID: 37344853 DOI: 10.1186/s40824-023-00404-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 06/01/2023] [Indexed: 06/23/2023] Open
Abstract
Immune cell-based therapies are a rapidly emerging class of new medicines that directly treat and prevent targeted cancer. However multiple biological barriers impede the activity of live immune cells, and therefore necessitate the use of surface-modified immune cells for cancer prevention. Synthetic and/or natural biomaterials represent the leading approach for immune cell surface modulation. Different types of biomaterials can be applied to cell surface membranes through hydrophobic insertion, layer-by-layer attachment, and covalent conjugations to acquire surface modification in mammalian cells. These biomaterials generate reciprocity to enable cell-cell interactions. In this review, we highlight the different biomaterials (lipidic and polymeric)-based advanced applications for cell-surface modulation, a few cell recognition moieties, and how their interplay in cell-cell interaction. We discuss the cancer-killing efficacy of NK cells, followed by their surface engineering for cancer treatment. Ultimately, this review connects biomaterials and biologically active NK cells that play key roles in cancer immunotherapy applications.
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Affiliation(s)
- Ashok Kumar Jangid
- Department of Chemical and Biochemical Engineering, College of Engineering, Dongguk University, Seoul, South Korea
| | - Sungjun Kim
- Department of Chemical and Biochemical Engineering, College of Engineering, Dongguk University, Seoul, South Korea
| | - Kyobum Kim
- Department of Chemical and Biochemical Engineering, College of Engineering, Dongguk University, Seoul, South Korea.
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Núñez-Marín G, Iraola D, Lorenzo M, de la Espriella R, Villar S, Santas E, Miñana G, Sanchis J, Carratalá A, Miró Ò, Bayés-Genís A, Núñez J. An update on utilising brain natriuretic peptide for risk stratification, monitoring and guiding therapy in heart failure. Expert Rev Mol Diagn 2023:1-13. [PMID: 37216616 DOI: 10.1080/14737159.2023.2216386] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 05/04/2023] [Accepted: 05/16/2023] [Indexed: 05/24/2023]
Abstract
INTRODUCTION Heart failure (HF) is a dominant health problem with an overall poor prognosis. Natriuretic peptides (NPs) are upregulated in HF as a compensatory mechanism. They have extensively been used for diagnosis and risk stratification. AREAS COVERED This review addresses the history and physiology of NPs in order to understand their current role in clinical practice. It further provides a detailed and updated narrative review on the utility of those biomarkers for risk stratification, monitoring, and guiding therapy in HF. EXPERT OPINION NPs show excellent predictive ability in heart failure patients, both in acute and chronic settings. Understanding their pathophysiology and their modifications in specific situations is key for an adequate interpretation in specific clinical scenarios in which their prognostic value may be weaker or less well evaluated. To better promote risk stratification in HF, NPs should be integrated with other predictive tools to develop multiparametric risk models. Both inequalities of access to NPs and evidence caveats and limitations will need to be addressed by future research in the coming years.
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Affiliation(s)
- Gonzalo Núñez-Marín
- Cardiology Department, Hospital Clínico Universitario, INCLIVA, Universitat de Valencia. Valencia, Spain. Valencia, Spain
| | - Diego Iraola
- Cardiology Department, Hospital Clínico Universitario, INCLIVA, Universitat de Valencia. Valencia, Spain. Valencia, Spain
| | - Miguel Lorenzo
- Cardiology Department, Hospital Clínico Universitario, INCLIVA, Universitat de Valencia. Valencia, Spain. Valencia, Spain
| | - Rafael de la Espriella
- Cardiology Department, Hospital Clínico Universitario, INCLIVA, Universitat de Valencia. Valencia, Spain. Valencia, Spain
| | - Sandra Villar
- Cardiology Department, Hospital Clínico Universitario, INCLIVA, Universitat de Valencia. Valencia, Spain. Valencia, Spain
| | - Enrique Santas
- Cardiology Department, Hospital Clínico Universitario, INCLIVA, Universitat de Valencia. Valencia, Spain. Valencia, Spain
| | - Gema Miñana
- Cardiology Department, Hospital Clínico Universitario, INCLIVA, Universitat de Valencia. Valencia, Spain. Valencia, Spain
| | - Juan Sanchis
- Cardiology Department, Hospital Clínico Universitario, INCLIVA, Universitat de Valencia. Valencia, Spain. Valencia, Spain
| | - Arturo Carratalá
- Clinical Chemistry Department, Hospital Clínico Universitario, INCLIVA
| | - Òscar Miró
- Emergency Department, Hospital Clínic, IDIBAPS, University of Barcelona, Barcelona, Spain
| | - Antoni Bayés-Genís
- Cardiology Department, Hospital Universitari Germas Trias i Pujol. Badalona, Spain
- CIBER Cardiovascular, Madrid, Spain
| | - Julio Núñez
- Cardiology Department, Hospital Clínico Universitario, INCLIVA, Universitat de Valencia. Valencia, Spain. Valencia, Spain
- Emergency Department, Hospital Clínic, IDIBAPS, University of Barcelona, Barcelona, Spain
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A Review with Updated Perspectives on the Antiviral Potentials of Traditional Medicinal Plants and Their Prospects in Antiviral Therapy. LIFE (BASEL, SWITZERLAND) 2022; 12:life12081287. [PMID: 36013466 PMCID: PMC9410304 DOI: 10.3390/life12081287] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 08/14/2022] [Accepted: 08/16/2022] [Indexed: 02/06/2023]
Abstract
Exploration of the traditional medicinal plants is essential for drug discovery and development for various pharmacological targets. Various phytochemicals derived from medicinal plants were extensively studied for antiviral activity. This review aims to highlight the role of medicinal plants against viral infections that remains to be the leading cause of human death globally. Antiviral properties of phytoconstituents isolated from 45 plants were discussed for five different types of viral infections. The ability of the plants’ active compounds with antiviral effects was highlighted as well as their mechanism of action, pharmacological studies, and toxicological data on a variety of cell lines. The experimental values, such as IC50, EC50, CC50, ED50, TD50, MIC100, and SI of the active compounds, were compiled and discussed to determine their potential. Among the plants mentioned, 11 plants showed the most promising medicinal plants against viral infections. Sambucus nigra and Clinacanthus nutans manifested antiviral activity against three different types of viral infections. Echinacea purpurea, Echinacea augustofolia, Echinacea pallida, Plantago major, Glycyrrhiza uralensis, Phyllanthus emblica, Camellia sinensis, and Cistus incanus exhibited antiviral activity against two different types of viral infections. Interestingly, Nicotiana benthamiana showed antiviral effects against mosquito-borne infections. The importance of phenolic acids, alkamides, alkylamides, glycyrrhizin, epicatechin gallate (ECG), epigallocatechin gallate (EGCG), epigallocatechin (EGC), protein-based plant-produced ZIKV Envelope (PzE), and anti-CHIKV monoclonal antibody was also reviewed. An exploratory approach to the published literature was conducted using a variety of books and online databases, including Scopus, Google Scholar, ScienceDirect, Web of Science, and PubMed Central, with the goal of obtaining, compiling, and reconstructing information on a variety of fundamental aspects, especially regarding medicinal plants. This evaluation gathered important information from all available library databases and Internet searches from 1992 to 2022.
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Liu C, Jia S, Tu L, Yang P, Wang Y, Ke S, Shi W, Ye S. GSH-Responsive and Hypoxia-Activated Multifunctional Nanoparticles for Synergetically Enhanced Tumor Therapy. ACS Biomater Sci Eng 2022; 8:1942-1955. [PMID: 35357802 DOI: 10.1021/acsbiomaterials.2c00076] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The integration of reactive oxygen species (ROS)-based chemodynamic therapy (CDT) and photodynamic therapy (PDT) has attracted enormous attention for synergistic antitumor therapies. However, the strategy is severely hampered by tumor hypoxia and overproduced antioxidant glutathione (GSH) in the tumor microenvironment. Inspired by the concept of metal coordination-based nanomedicines, we proposed an effective strategy for synergistic cancer treatment in response to the special tumor microenvironmental properties. Herein, we present novel metal-coordinated multifunctional nanoparticles (NPs) by the Cu2+-triggered assembly of photosensitizer indocyanine green (ICG) and hypoxia-activated anticancer prodrug tirapazamine (TPZ) (Cu-ICG/TPZ NPs). After accumulating within tumor sites via the enhanced permeability and retention (EPR) effect, the Cu-ICG/TPZ NPs were capable of triggering a cascade of combinational therapeutic reactions, including hyperthermia, GSH elimination, and Cu+-mediated •OH generation and the subsequent hypoxia-triggered chemotherapeutic effect of TPZ, thus achieving synergistic tumor therapy. Both in vitro and in vivo evaluations suggested that the multifunctional Cu-ICG/TPZ NPs could realize satisfactory therapeutic efficacy with excellent biosafety. These results thus suggested the great potential of Cu-ICG/TPZ NPs to serve as a metallodrug nanoagent for synergetically enhanced tumor treatment.
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Affiliation(s)
- Chunyang Liu
- Department of Biomaterials, The Higher Educational Key Laboratory for Biomedical Engineering of Fujian Province, Research Center of Biomedical Engineering of Xiamen, College of Materials, Xiamen University, 422 Siming South Road, Xiamen 361005, P. R. China
| | - Sihan Jia
- Department of Biomaterials, The Higher Educational Key Laboratory for Biomedical Engineering of Fujian Province, Research Center of Biomedical Engineering of Xiamen, College of Materials, Xiamen University, 422 Siming South Road, Xiamen 361005, P. R. China
| | - Li Tu
- Fujian Provincial Key Laboratory of Innovative Drug Target Research, School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, P. R. China
| | - Peiyan Yang
- Orthopedics Department, First Affiliated Hospital of Xiamen University, Xiamen 361004, P. R. China
| | - Yange Wang
- Department of Biomaterials, The Higher Educational Key Laboratory for Biomedical Engineering of Fujian Province, Research Center of Biomedical Engineering of Xiamen, College of Materials, Xiamen University, 422 Siming South Road, Xiamen 361005, P. R. China
| | - Sunkui Ke
- Department of Thoracic Surgery, Zhongshan Hospital of Xiamen University, Xiamen 361004, P. R. China
| | - Wei Shi
- Department of Biomaterials, The Higher Educational Key Laboratory for Biomedical Engineering of Fujian Province, Research Center of Biomedical Engineering of Xiamen, College of Materials, Xiamen University, 422 Siming South Road, Xiamen 361005, P. R. China
| | - Shefang Ye
- Department of Biomaterials, The Higher Educational Key Laboratory for Biomedical Engineering of Fujian Province, Research Center of Biomedical Engineering of Xiamen, College of Materials, Xiamen University, 422 Siming South Road, Xiamen 361005, P. R. China
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Alvites R, Branquinho M, Sousa AC, Lopes B, Sousa P, Maurício AC. Mesenchymal Stem/Stromal Cells and Their Paracrine Activity-Immunomodulation Mechanisms and How to Influence the Therapeutic Potential. Pharmaceutics 2022; 14:381. [PMID: 35214113 PMCID: PMC8875256 DOI: 10.3390/pharmaceutics14020381] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 01/31/2022] [Accepted: 02/04/2022] [Indexed: 02/07/2023] Open
Abstract
With high clinical interest to be applied in regenerative medicine, Mesenchymal Stem/Stromal Cells have been widely studied due to their multipotency, wide distribution, and relative ease of isolation and expansion in vitro. Their remarkable biological characteristics and high immunomodulatory influence have opened doors to the application of MSCs in many clinical settings. The therapeutic influence of these cells and the interaction with the immune system seems to occur both directly and through a paracrine route, with the production and secretion of soluble factors and extracellular vesicles. The complex mechanisms through which this influence takes place is not fully understood, but several functional manipulation techniques, such as cell engineering, priming, and preconditioning, have been developed. In this review, the knowledge about the immunoregulatory and immunomodulatory capacity of MSCs and their secretion products is revisited, with a special focus on the phenomena of migration and homing, direct cell action and paracrine activity. The techniques for homing improvement, cell modulation and conditioning prior to the application of paracrine factors were also explored. Finally, multiple assays where different approaches were applied with varying success were used as examples to justify their exploration.
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Affiliation(s)
- Rui Alvites
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente (ICETA) da Universidade do Porto, Praça Gomes Teixeira, Apartado 55142, 4051-401 Porto, Portugal; (R.A.); (M.B.); (A.C.S.); (B.L.); (P.S.)
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, nº 228, 4050-313 Porto, Portugal
| | - Mariana Branquinho
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente (ICETA) da Universidade do Porto, Praça Gomes Teixeira, Apartado 55142, 4051-401 Porto, Portugal; (R.A.); (M.B.); (A.C.S.); (B.L.); (P.S.)
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, nº 228, 4050-313 Porto, Portugal
| | - Ana C. Sousa
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente (ICETA) da Universidade do Porto, Praça Gomes Teixeira, Apartado 55142, 4051-401 Porto, Portugal; (R.A.); (M.B.); (A.C.S.); (B.L.); (P.S.)
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, nº 228, 4050-313 Porto, Portugal
| | - Bruna Lopes
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente (ICETA) da Universidade do Porto, Praça Gomes Teixeira, Apartado 55142, 4051-401 Porto, Portugal; (R.A.); (M.B.); (A.C.S.); (B.L.); (P.S.)
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, nº 228, 4050-313 Porto, Portugal
| | - Patrícia Sousa
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente (ICETA) da Universidade do Porto, Praça Gomes Teixeira, Apartado 55142, 4051-401 Porto, Portugal; (R.A.); (M.B.); (A.C.S.); (B.L.); (P.S.)
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, nº 228, 4050-313 Porto, Portugal
| | - Ana Colette Maurício
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente (ICETA) da Universidade do Porto, Praça Gomes Teixeira, Apartado 55142, 4051-401 Porto, Portugal; (R.A.); (M.B.); (A.C.S.); (B.L.); (P.S.)
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, nº 228, 4050-313 Porto, Portugal
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Injectable pH-responsive adhesive hydrogels for bone tissue engineering inspired by the underwater attachment strategy of marine mussels. BIOMATERIALS ADVANCES 2022; 133:112606. [PMID: 35525750 PMCID: PMC9933951 DOI: 10.1016/j.msec.2021.112606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/19/2021] [Accepted: 12/07/2021] [Indexed: 11/21/2022]
Abstract
A major challenge in tissue engineering is the development of alternatives to traditional bone autografts and allografts that can regenerate critical-sized bone defects. Here we present the design of injectable pH-responsive double-crosslinked adhesive hydrogels inspired by the molecular mechanism and environmental post-processing of marine mussel adhesive. Nine adhesive hydrogel formulations were developed through the conjugation of crosslinkable catechol functional groups (DOPA) and the synthetic oligomer oligo[poly(ethylene glycol) fumarate] (OPF), varying the DOPA content (w/w%) and molecular weight (MW) of the OPF backbone to produce formulations with a range of swelling ratios, porosities, and crosslink densities. DOPA incorporation altered the surface chemistry, mechanical properties, and surface topography of hydrogels, resulting in an increase in material stiffness, slower degradation, and enhanced pre-osteoblast cell attachment and proliferation. When injected within simulated bone defects, DOPA-mediated interfacial adhesive interactions also prevented the displacement of scaffolds, an effect that was maintained even after swelling within physiological conditions. Taken together, OPF-DOPA hydrogels represent a promising new material to enhanced tissue integration and the prevention of the post-implantation migration of scaffolds that can occur due to biomechanical loading in vivo.
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Matsuoka K, Akaihata H, Hata J, Tanji R, Honda-Takinami R, Onagi A, Hoshi S, Koguchi T, Sato Y, Kataoka M, Ogawa S, Kojima Y. l-Theanine Protects Bladder Function by Suppressing Chronic Sympathetic Hyperactivity in Spontaneously Hypertensive Rat. Metabolites 2021; 11:metabo11110778. [PMID: 34822436 PMCID: PMC8618158 DOI: 10.3390/metabo11110778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 11/03/2021] [Accepted: 11/11/2021] [Indexed: 11/16/2022] Open
Abstract
Chronic sympathetic hyperactivity is known to affect metabolism and cause various organ damage including bladder dysfunction. In this study, we evaluated whether l-theanine, a major amino acid found in green tea, ameliorates bladder dysfunction induced by chronic sympathetic hyperactivity as a dietary component for daily consumption. Spontaneously hypertensive rats (SHRs), as an animal model of bladder dysfunction, were divided into SHR-water and SHR-theanine groups. After 6 weeks of oral administration, the sympathetic nervous system, bladder function, and oxidative stress of bladder tissue were evaluated. The mean blood pressure, serum noradrenaline level, and media-to-lumen ratio of small arteries in the suburothelium were significantly lower in the SHR-theanine than in the SHR-water group. Micturition interval was significantly longer, and bladder capacity was significantly higher in the SHR-theanine than in the SHR-water group. Bladder strip contractility was also higher in the SHR-theanine than in the SHR-water group. Western blotting of bladder showed that expression of malondialdehyde was significantly lower in the SHR-theanine than in the SHR-water group. These results suggested that orally administered l-theanine may contribute at least partly to the prevention of bladder dysfunctions by inhibiting chronic sympathetic hyperactivity and protecting bladder contractility.
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Montone CM, Aita SE, Arnoldi A, Capriotti AL, Cavaliere C, Cerrato A, Lammi C, Piovesana S, Ranaldi G, Laganà A. Characterization of the Trans-Epithelial Transport of Green Tea ( C. sinensis) Catechin Extracts with In Vitro Inhibitory Effect against the SARS-CoV-2 Papain-like Protease Activity. Molecules 2021; 26:molecules26216744. [PMID: 34771162 PMCID: PMC8587865 DOI: 10.3390/molecules26216744] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/15/2021] [Accepted: 11/05/2021] [Indexed: 12/28/2022] Open
Abstract
This work describes an untargeted analytical approach for the screening, identification, and characterization of the trans-epithelial transport of green tea (Camellia sinensis) catechin extracts with in vitro inhibitory effect against the SARS-CoV-2 papain-like protease (PLpro) activity. After specific catechin extraction, a chromatographic separation obtained six fractions were carried out. The fractions were assessed in vitro against the PLpro target. Fraction 5 showed the highest inhibitory activity against the SARS-CoV-2 PLpro (IC50 of 0.125 μg mL-1). The untargeted characterization revealed that (-)-epicatechin-3-gallate (ECG) was the most abundant compound in the fraction and the primary molecule absorbed by differentiated Caco-2 cells. Results indicated that fraction 5 was approximately 10 times more active than ECG (IC50 value equal to 11.62 ± 0.47 μg mL-1) to inhibit the PLpro target. Overall, our findings highlight the synergistic effects of the various components of the crude extract compared to isolated ECG.
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Affiliation(s)
- Carmela Maria Montone
- Dipartimento di Chimica, Università di Roma La Sapienza, Piazzale Aldo Moro 5, 00185 Roma, Italy; (C.M.M.); (S.E.A.); (C.C.); (A.C.); (S.P.); (A.L.)
| | - Sara Elsa Aita
- Dipartimento di Chimica, Università di Roma La Sapienza, Piazzale Aldo Moro 5, 00185 Roma, Italy; (C.M.M.); (S.E.A.); (C.C.); (A.C.); (S.P.); (A.L.)
| | - Anna Arnoldi
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano La Statale, Via Mangiagalli, 25, 20133 Milano, Italy;
| | - Anna Laura Capriotti
- Dipartimento di Chimica, Università di Roma La Sapienza, Piazzale Aldo Moro 5, 00185 Roma, Italy; (C.M.M.); (S.E.A.); (C.C.); (A.C.); (S.P.); (A.L.)
- Correspondence: (A.L.C.); (C.L.); Tel.: +39-06-4991-3945 (A.L.C.); +39-02503-19372 (C.L.)
| | - Chiara Cavaliere
- Dipartimento di Chimica, Università di Roma La Sapienza, Piazzale Aldo Moro 5, 00185 Roma, Italy; (C.M.M.); (S.E.A.); (C.C.); (A.C.); (S.P.); (A.L.)
| | - Andrea Cerrato
- Dipartimento di Chimica, Università di Roma La Sapienza, Piazzale Aldo Moro 5, 00185 Roma, Italy; (C.M.M.); (S.E.A.); (C.C.); (A.C.); (S.P.); (A.L.)
| | - Carmen Lammi
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano La Statale, Via Mangiagalli, 25, 20133 Milano, Italy;
- Correspondence: (A.L.C.); (C.L.); Tel.: +39-06-4991-3945 (A.L.C.); +39-02503-19372 (C.L.)
| | - Susy Piovesana
- Dipartimento di Chimica, Università di Roma La Sapienza, Piazzale Aldo Moro 5, 00185 Roma, Italy; (C.M.M.); (S.E.A.); (C.C.); (A.C.); (S.P.); (A.L.)
| | - Giulia Ranaldi
- CREA, Food and Nutrition Research Centre, 00100 Rome, Italy;
| | - Aldo Laganà
- Dipartimento di Chimica, Università di Roma La Sapienza, Piazzale Aldo Moro 5, 00185 Roma, Italy; (C.M.M.); (S.E.A.); (C.C.); (A.C.); (S.P.); (A.L.)
- CNR NANOTEC, Campus Ecotekne, University of Salento, Via Monteroni, 73100 Lecce, Italy
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Samynathan R, Thiruvengadam M, Nile SH, Shariati MA, Rebezov M, Mishra RK, Venkidasamy B, Periyasamy S, Chung IM, Pateiro M, Lorenzo JM. Recent insights on tea metabolites, their biosynthesis and chemo-preventing effects: A review. Crit Rev Food Sci Nutr 2021:1-20. [PMID: 34606382 DOI: 10.1080/10408398.2021.1984871] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Tea manufactured from the cultivated shoots of Camellia sinensis (L.) O. Kuntze is the most commonly consumed nonalcoholic drink around the world. Tea is an agro-based, environmentally sustainable, labor-intensive, job-generating, and export-oriented industry in many countries. Tea includes phenolic compounds, flavonoids, alkaloids, vitamins, enzymes, crude fibers, protein, lipids, and carbohydrates, among other biochemical constituents. This review described the nature of tea metabolites, their biosynthesis and accumulation with response to various factors. The therapeutic application of various metabolites of tea against microbial diseases, cancer, neurological, and other metabolic disorders was also discussed in detail. The seasonal variation, cultivation practices and genetic variability influence tea metabolite synthesis. Tea biochemical constituents, especially polyphenols and its integral part catechin metabolites, are broadly focused on potential applicability for their action against various diseases. In addition to this, tea also contains bioactive flavonoids that possess health-beneficial effects. The catechin fractions, epigallocatechin 3-gallate and epicatechin 3-gallate, are the main components of tea that has strong antioxidant and medicinal properties. The synergistic function of natural tea metabolites with synthetic drugs provides effective protection against various diseases. Furthermore, the application of nanotechnologies enhanced bioavailability, enhancing the therapeutic potential of natural metabolites against numerous diseases and pathogens.
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Affiliation(s)
| | - Muthu Thiruvengadam
- Department of Crop Science, College of Sanghuh Life Science, Konkuk University, Seoul, Republic of Korea
| | - Shivraj Hariram Nile
- Laboratory of Medicinal Plant Biotechnology, College of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Mohammad Ali Shariati
- Department of Technology of Food Products, K.G. Razumovsky Moscow State University of Technologies and Management (The First Cossack University), Moscow, Russian Federation.,Liaocheng University, Liaocheng, Shandong, China
| | - Maksim Rebezov
- Liaocheng University, Liaocheng, Shandong, China.,V. M. Gorbatov Federal Research Center for Food Systems of Russian Academy of Sciences, Moscow, Russian Federation
| | - Raghvendra Kumar Mishra
- Amity Institute of Biotechnology, Amity University Madhya Pradesh, Gwalior, Madhya Pradesh, India
| | - Baskar Venkidasamy
- Department of Biotechnology, Sri Shakthi Institute of Engineering and Technology, Coimbatore, Tamil Nadu, India
| | - Sureshkumar Periyasamy
- Department of Biotechnology, Bharathidasan University Campus (BIT Campus), Anna University, Tiruchirappalli, Tamil Nadu, India
| | - Ill-Min Chung
- Department of Crop Science, College of Sanghuh Life Science, Konkuk University, Seoul, Republic of Korea
| | - Mirian Pateiro
- Centro Tecnológico de la Carne de Galicia, Ourense, Spain
| | - José M Lorenzo
- Centro Tecnológico de la Carne de Galicia, Ourense, Spain.,Área de Tecnología de los Alimentos, Facultad de Ciencias de Ourense, Universidad de Vigo, Ourense, Spain
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16
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Mohamed IMA, Ogawa H, Takeda Y. In vitro virucidal activity of the theaflavin-concentrated tea extract TY-1 against influenza A virus. J Nat Med 2021; 76:152-160. [PMID: 34550554 PMCID: PMC8456404 DOI: 10.1007/s11418-021-01568-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 09/08/2021] [Indexed: 01/25/2023]
Abstract
The annual spread of influenza A virus (IAV) infection is a global concern. We examined the IAV-inactivating potential of theaflavin-concentrated tea extract TY-1, which contains abundant polyphenols, including concentrated theaflavins and catechins. TY-1 exhibited concentration- and time-dependent virucidal activity against IAV. Specifically, 5.0 mg/mL TY-1 induced a 1.33 and ≥ 5.17 log10 50% tissue culture infective dose/mL reduction of the viral titer compared with dextrin as the diluent control within 30 min and 6 h reaction time, respectively. The high virucidal activity of TY-1 was attributed to the combined additive activities of multiple virucidal components, including theaflavins, which led to an investigation of the virucidal mechanism of action of TY-1. Western blotting revealed that TY-1 treatment reduced the band intensity of hemagglutinin and induced the appearance of additional high molecular mass bands/ladders. In addition, TY-1 treatment also reduced the band intensity of neuraminidase (NA). A hemagglutination assay revealed that TY-1 reduced hemagglutination activity, and an NA assay revealed reduced NA activity. These results indicated that TY-1 caused structural abnormalities in IAV spike proteins, possibly leading to their destruction. Reverse transcription polymerase chain reaction (PCR) targeting the IAV genome and electron microscopic observation of viral particles revealed that upon application of TY-1, the PCR products dissipated, which indicates that TY-1 destroyed the IAV genome, and the number of viral particles reduced. Overall, TY-1 exhibited multiple modes of IAV-inactivating activity. Our findings support the possible future practical use of TY-1 as a virucidal supplemental agent that can contribute to IAV infection control.
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Affiliation(s)
- Israa M A Mohamed
- Graduate School of Animal and Veterinary Sciences and Agriculture, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido, 080-8555, Japan
- Department of Animal and Poultry Hygiene and Environmental Sanitation, Faculty of Veterinary Medicine, Assiut University, Assiut, 71526, Egypt
| | - Haruko Ogawa
- Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido, 080-8555, Japan
| | - Yohei Takeda
- Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido, 080-8555, Japan.
- Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido, 080-8555, Japan.
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Kumari P, Bowmik S, Paul SK, Biswas B, Banerjee SK, Murty US, Ravichandiran V, Mohan U. Sortase A: A chemoenzymatic approach for the labeling of cell surfaces. Biotechnol Bioeng 2021; 118:4577-4589. [PMID: 34491580 DOI: 10.1002/bit.27935] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 06/20/2021] [Accepted: 08/27/2021] [Indexed: 01/31/2023]
Abstract
Sortase A, a transpeptidase enzyme is present in many Gram-positive bacteria and helps in the recruitment of the cell surface proteins. Over the last two decades, Sortase A has become an attractive tool for performing in vivo and in vitro ligations. Sortase A-mediated ligation has continuously been used for its specificity, robustness, and highly efficient nature. These properties make it a popular choice among protein engineers as well as researchers from different fields. In this review, we give an overview of Sortase A-mediated ligation of various molecules on the cell surfaces, which can have diverse applications in interdisciplinary fields.
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Affiliation(s)
- Poonam Kumari
- Department of Biotechnology, National Institute of Pharmaceutical Education & Research (NIPER), Guwahati, Assam, India
| | - Sujoy Bowmik
- Department of Biotechnology, National Institute of Pharmaceutical Education & Research (NIPER), Guwahati, Assam, India
| | - Sudipto Kumar Paul
- Department of Biotechnology, National Institute of Pharmaceutical Education & Research (NIPER), Guwahati, Assam, India
| | - Bidisha Biswas
- Department of Biotechnology, National Institute of Pharmaceutical Education & Research (NIPER), Guwahati, Assam, India
| | - Sanjay K Banerjee
- Department of Biotechnology, National Institute of Pharmaceutical Education & Research (NIPER), Guwahati, Assam, India
| | | | - Velayutham Ravichandiran
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education & Research (NIPER), Kolkata, West Bengal, India
| | - Utpal Mohan
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education & Research (NIPER), Kolkata, West Bengal, India
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18
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Keflie TS, Biesalski HK. Micronutrients and bioactive substances: Their potential roles in combating COVID-19. Nutrition 2021; 84:111103. [PMID: 33450678 PMCID: PMC7717879 DOI: 10.1016/j.nut.2020.111103] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 11/11/2020] [Accepted: 11/30/2020] [Indexed: 12/13/2022]
Abstract
OBJECTIVES The coronavirus disease 2019 (COVID-19) pandemic is seriously threatening public health and setting off huge economic crises across the world. In the absence of specific drugs for COVID-19, there is an urgent need to look for alternative approaches. Therefore, the aim of this paper was to review the roles of micronutrients and bioactive substances as potential alternative approaches in combating COVID-19. METHODS This review was based on the literature identified using electronic searches in different databases. RESULTS Vitamins (A, B, C, D, and E), minerals (selenium and zinc), and bioactive substances from curcumin, echinacea, propolis, garlic, soybean, green tea, and other polyphenols were identified as having potential roles in interfering with spike glycoproteins, angiotensin converting enzyme 2, and transmembrane protease serine 2 at the entry site, and inhibiting activities of papain-like protease, 3 chymotrypsin-like protease, and RNA-dependent RNA polymerase in the replication cycle of severe acute respiratory syndrome coronavirus 2. Having immunomodulating, antiinflammatory, antioxidant, and antiviral properties, such micronutrients and bioactive substances are consequently promising alterative nutritional approaches to combat COVID-19. CONCLUSIONS The roles of micronutrients and bioactive substances in the fight against COVID-19 are exciting areas of research. This review may suggest directions for further study.
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19
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Cruz-Samperio R, Jordan M, Perriman A. Cell augmentation strategies for cardiac stem cell therapies. Stem Cells Transl Med 2021; 10:855-866. [PMID: 33660953 PMCID: PMC8133336 DOI: 10.1002/sctm.20-0489] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/06/2021] [Accepted: 01/12/2021] [Indexed: 12/12/2022] Open
Abstract
Myocardial infarction (MI) has been the primary cause of death in developed countries, resulting in a major psychological and financial burden for society. Current treatments for acute MI are directed toward rapid restoration of perfusion to limit damage to the myocardium, rather than promoting tissue regeneration and subsequent contractile function recovery. Regenerative cell therapies (CTs), in particular those using multipotent stem cells (SCs), are in the spotlight for treatment post‐MI. Unfortunately, the efficacy of CTs is somewhat limited by their poor long‐term viability, homing, and engraftment to the myocardium. In response, a range of novel SC‐based technologies are in development to provide additional cellular modalities, bringing CTs a step closer to the clinic. In this review, the current landscape of emerging CTs and their augmentation strategies for the treatment post‐MI are discussed. In doing so, we highlight recent advances in cell membrane reengineering via genetic modifications, recombinant protein immobilization, and the utilization of soft biomimetic scaffold interfaces.
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Affiliation(s)
| | - Millie Jordan
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK
| | - Adam Perriman
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK
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20
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The structure and function of protein kinase C-related kinases (PRKs). Biochem Soc Trans 2021; 49:217-235. [PMID: 33522581 PMCID: PMC7925014 DOI: 10.1042/bst20200466] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 12/29/2020] [Accepted: 01/07/2021] [Indexed: 11/17/2022]
Abstract
The protein kinase C-related kinase (PRK) family of serine/threonine kinases, PRK1, PRK2 and PRK3, are effectors for the Rho family small G proteins. An array of studies have linked these kinases to multiple signalling pathways and physiological roles, but while PRK1 is relatively well-characterized, the entire PRK family remains understudied. Here, we provide a holistic overview of the structure and function of PRKs and describe the molecular events that govern activation and autoregulation of catalytic activity, including phosphorylation, protein interactions and lipid binding. We begin with a structural description of the regulatory and catalytic domains, which facilitates the understanding of their regulation in molecular detail. We then examine their diverse physiological roles in cytoskeletal reorganization, cell adhesion, chromatin remodelling, androgen receptor signalling, cell cycle regulation, the immune response, glucose metabolism and development, highlighting isoform redundancy but also isoform specificity. Finally, we consider the involvement of PRKs in pathologies, including cancer, heart disease and bacterial infections. The abundance of PRK-driven pathologies suggests that these enzymes will be good therapeutic targets and we briefly report some of the progress to date.
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21
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Sheikhpour M. The Current Recommended Drugs and Strategies for the Treatment of Coronavirus Disease (COVID-19). Ther Clin Risk Manag 2020; 16:933-946. [PMID: 33116543 PMCID: PMC7548336 DOI: 10.2147/tcrm.s262936] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Accepted: 09/14/2020] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND The coronavirus 2019 (COVID-19) has been known as a pandemic disease by the World Health Organization (WHO) worldwide. The drugs currently used for treatment of COVID-19 are often selected and tested based on their effectiveness in other diseases such as influenza and AIDS and their major identified targets are viral protease, host cell produced protease, viral RNA polymerase, and the interaction site of viral protein with host cell receptors. Until now, there are no approved therapeutic drugs for definitive treatment of this dangerous disease. METHODS In this article, all of the documentary information, such as clinical trials, original research and reviews, government's database, and treatment guidelines, were reviewed critically and comprehensively. Moreover, it was attempted to present the most common and effective drugs and strategies, to suggest the possible treatment way of COVID19 by focusing on the body's defense mechanism against pathogens. RESULTS Antiviral drugs and immune-modulatory agents with the traditional medicines using the natural compound are usual accessible treatments. Accordingly, they have better beneficence due to the large existence studies, long time follow-ups, proximity to the natural system, and the normal physiological routine of the pathogen and host interactions. Besides, the serotonergic and dopaminergic pathways are considered as attractive targets to treat human immune, infectious, and cancerous diseases. Fluoxetine, as a host-targeted small molecule with immunomodulatory action, may be known as effective drug for treatment and prevention of COVID19 disease, in combination with antiviral drugs and natural compounds. CONCLUSION Co-administration of fluoxetine in the treatment of COVID19 could be considered due to the possibility of its interaction with ACE2 receptors, immune-modulatory function, and a proper immune response at the right time. Fluoxetine plays a beneficial role in reducing stress due to fear of infecting by COVID19 or worsening the disease and psychological support for the affected patients.
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Affiliation(s)
- Mojgan Sheikhpour
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran
- Microbiology Research Center, Pasteur Institute of Iran, Tehran, Iran
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22
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Anderson G, Carbone A, Mazzoccoli G. Aryl Hydrocarbon Receptor Role in Co-Ordinating SARS-CoV-2 Entry and Symptomatology: Linking Cytotoxicity Changes in COVID-19 and Cancers; Modulation by Racial Discrimination Stress. BIOLOGY 2020; 9:E249. [PMID: 32867244 PMCID: PMC7564943 DOI: 10.3390/biology9090249] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/25/2020] [Accepted: 08/26/2020] [Indexed: 12/15/2022]
Abstract
There is an under-recognized role of the aryl hydrocarbon receptor (AhR) in co-ordinating the entry and pathophysiology of the severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) that underpins the COVID-19 pandemic. The rise in pro-inflammatory cytokines during the 'cytokine storm' induce indoleamine 2,3-dioxygenase (IDO), leading to an increase in kynurenine that activates the AhR, thereby heightening the initial pro-inflammatory cytokine phase and suppressing the endogenous anti-viral response. Such AhR-driven changes underpin the heightened severity and fatality associated with pre-existent high-risk medical conditions, such as type II diabetes, as well as to how racial discrimination stress contributes to the raised severity/fatality in people from the Black Asian and Minority Ethnic (BAME) communities. The AhR is pivotal in modulating mitochondrial metabolism and co-ordinating specialized, pro-resolving mediators (SPMs), the melatonergic pathways, acetyl-coenzyme A, and the cyclooxygenase (COX) 2-prostaglandin (PG) E2 pathway that underpin 'exhaustion' in the endogenous anti-viral cells, paralleling similar metabolic suppression in cytolytic immune cells that is evident across all cancers. The pro-inflammatory cytokine induced gut permeability/dysbiosis and suppression of pineal melatonin are aspects of the wider pathophysiological underpinnings regulated by the AhR. This has a number of prophylactic and treatment implications for SARS-CoV-2 infection and cancers and future research directions that better investigate the biological underpinnings of social processes and how these may drive health disparities.
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Affiliation(s)
- George Anderson
- CRC Scotland & London, Eccleston Square, London SW1V 1PB, UK;
| | - Annalucia Carbone
- Division of Internal Medicine and Chronobiology Laboratory, Department of Medical Sciences, Fondazione IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo, 71013 Foggia, Italy;
| | - Gianluigi Mazzoccoli
- Division of Internal Medicine and Chronobiology Laboratory, Department of Medical Sciences, Fondazione IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo, 71013 Foggia, Italy;
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Upadhyay S, Tripathi PK, Singh M, Raghavendhar S, Bhardwaj M, Patel AK. Evaluation of medicinal herbs as a potential therapeutic option against SARS-CoV-2 targeting its main protease. Phytother Res 2020; 34:3411-3419. [PMID: 32748969 PMCID: PMC7436756 DOI: 10.1002/ptr.6802] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 06/10/2020] [Accepted: 06/23/2020] [Indexed: 12/21/2022]
Abstract
The COVID‐19 disease caused by the SARS‐CoV‐2 has emerged as a worldwide pandemic and caused huge damage to the lives and economy of more than hundred countries. As on May 10, 2020, more than 4,153,300 people stand infected from the virus due to an unprecedented rate of transmission and 282,700 have lost their lives because of the disease. In this context, medicinal plants may provide a way to treat the disease by targeting specific essential proteins of the virus. We screened about 51 medicinal plants and found that Tea (Camellia sinensis) and Haritaki (Terminalia chebula) has potential against SARS‐COV‐2 3CLpro, with an IC50 for Green Tea as 8.9 ± 0.5 μg/ml and Haritaki 8.8 ± 0.5 μg/ml. The in‐silico studies suggested that Tea component Thearubigins binds to the cysteine 145 of protease active site and could be a pharmacoactive molecule. We predict that the inhibition in protease activity may be able to halt the SARS‐CoV‐2 replication cycle and therefore, we propose Green Tea, Black Tea, and Haritaki plant extracts as potential therapeutic candidates for SARS‐CoV‐2 infection. Further investigation on role of bioactive constituents of extracts is needed to establish the molecular basis of inhibition and towards expedited drug discovery.
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Affiliation(s)
- Saurabh Upadhyay
- Kusuma School of Biological Sciences, Indian Institute of Technology Delhi, New Delhi, India
| | - Praveen K Tripathi
- Kusuma School of Biological Sciences, Indian Institute of Technology Delhi, New Delhi, India
| | - Manju Singh
- Morarji Desai National Institute of Yoga, New Delhi, India
| | - Siva Raghavendhar
- Kusuma School of Biological Sciences, Indian Institute of Technology Delhi, New Delhi, India
| | - Mohit Bhardwaj
- Kusuma School of Biological Sciences, Indian Institute of Technology Delhi, New Delhi, India
| | - Ashok K Patel
- Kusuma School of Biological Sciences, Indian Institute of Technology Delhi, New Delhi, India
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Ruud KF, Hiscox WC, Yu I, Chen RK, Li W. Distinct phenotypes of cancer cells on tissue matrix gel. Breast Cancer Res 2020; 22:82. [PMID: 32736579 PMCID: PMC7395363 DOI: 10.1186/s13058-020-01321-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 07/23/2020] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Breast cancer cells invading the connective tissues outside the mammary lobule or duct immerse in a reservoir of extracellular matrix (ECM) that is structurally and biochemically distinct from that of their site of origin. The ECM is a spatial network of matrix proteins, which not only provide physical support but also serve as bioactive ligands to the cells. It becomes evident that the dimensional, mechanical, structural, and biochemical properties of ECM are all essential mediators of many cellular functions. To better understand breast cancer development and cancer cell biology in native tissue environment, various tissue-mimicking culture models such as hydrogel have been developed. Collagen I (Col I) and Matrigel are the most common hydrogels used in cancer research and have opened opportunities for addressing biological questions beyond the two-dimensional (2D) cell cultures. Yet, it remains unclear whether these broadly used hydrogels can recapitulate the environmental properties of tissue ECM, and whether breast cancer cells grown on CoI I or Matrigel display similar phenotypes as they would on their native ECM. METHODS We investigated mammary epithelial cell phenotypes and metabolic profiles on animal breast ECM-derived tissue matrix gel (TMG), Col I, and Matrigel. Atomic force microscopy (AFM), fluorescence microscopy, acini formation assay, differentiation experiments, spatial migration/invasion assays, proliferation assay, and nuclear magnetic resonance (NMR) spectroscopy were used to examine biological phenotypes and metabolic changes. Student's t test was applied for statistical analyses. RESULTS Our data showed that under a similar physiological stiffness, the three types of hydrogels exhibited distinct microstructures. Breast cancer cells grown on TMG displayed quite different morphologies, surface receptor expression, differentiation status, migration and invasion, and metabolic profiles compared to those cultured on Col I and Matrigel. Depleting lactate produced by glycolytic metabolism of cancer cells abolished the cell proliferation promoted by the non-tissue-specific hydrogel. CONCLUSION The full ECM protein-based hydrogel system may serve as a biologically relevant model system to study tissue- and disease-specific pathological questions. This work provides insights into tissue matrix regulation of cancer cell biomarker expression and identification of novel therapeutic targets for the treatment of human cancers based on tissue-specific disease modeling.
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Affiliation(s)
- Kelsey F Ruud
- Department of Biomedical Sciences, Elson S. Floyd College of Medicine, Washington State University, Spokane, WA, 99202, USA
| | - William C Hiscox
- Center for NMR Spectroscopy, Washington State University, Pullman, WA, 99164, USA
| | - Ilhan Yu
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164, USA
| | - Roland K Chen
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164, USA
| | - Weimin Li
- Department of Biomedical Sciences, Elson S. Floyd College of Medicine, Washington State University, Spokane, WA, 99202, USA.
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Deka H, Barman T, Sarmah PP, Devi A, Tamuly P, Paul RK, Karak T. Quality characteristics of infusion and health consequences: a comparative study between orthodox and CTC green teas. RSC Adv 2020; 10:32833-32842. [PMID: 35516505 PMCID: PMC9056637 DOI: 10.1039/d0ra06254e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 08/13/2020] [Indexed: 11/21/2022] Open
Abstract
This study compares the effects of two green tea processing techniques,viz.orthodox and CTC (curl, tear and crush) on the quality parameters and sensory profiles under the geographical and climatic conditions of Assam, India.
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Affiliation(s)
- Himangshu Deka
- Biochemistry Department
- Tocklai Tea Research Institute
- Jorhat 785008
- India
| | - Tupu Barman
- Analytical Services Department
- Tocklai Tea Research Institute
- Jorhat 785008
- India
| | | | - Arundhuti Devi
- Resource Management and Environment Section
- Institute of Advanced Study in Science and Technology
- Guwahati 781035
- India
| | - Pradip Tamuly
- Biochemistry Department
- Tocklai Tea Research Institute
- Jorhat 785008
- India
| | - Ranjit Kumar Paul
- ICAR-Indian Agricultural Statistics Research Institute
- New Delhi 110012
- India
| | - Tanmoy Karak
- Upper Assam Advisory Centre
- Tea Research Association
- 786101
- India
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26
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Furushima D, Nishimura T, Takuma N, Iketani R, Mizuno T, Matsui Y, Yamaguchi T, Nakashima Y, Yamamoto S, Hibi M, Yamada H. Prevention of Acute Upper Respiratory Infections by Consumption of Catechins in Healthcare Workers: A Randomized, Placebo-Controlled Trial. Nutrients 2019; 12:nu12010004. [PMID: 31861349 PMCID: PMC7019590 DOI: 10.3390/nu12010004] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 12/12/2019] [Accepted: 12/16/2019] [Indexed: 01/14/2023] Open
Abstract
Catechins, phytochemicals contained mainly in green tea, exhibit antiviral activity against various acute infectious diseases experimentally. Clinical evidence supporting these effects, however, is not conclusive. We performed a placebo-controlled, single-blind, randomized control trial to evaluate the clinical effectiveness of consumption of catechins-containing beverage for preventing acute upper respiratory tract infections (URTIs). Two hundred and seventy healthcare workers were randomly allocated to high-catechin (three daily doses of 57 mg catechins and 100 mg xanthan gum), low-catechin (one daily dose of 57 mg catechins and 100 mg xanthan gum), or placebo (0 mg catechins and 100 mg xanthan gum) group. Subjects consumed a beverage with or without catechins for 12 weeks from December 2017 through February 2018. The primary endpoint was incidence of URTIs compared among groups using a time-to-event analysis. A total of 255 subjects were analyzed (placebo group n = 86, low-catechin group n = 85, high catechin group n = 84). The URTI incidence rate was 26.7% in the placebo group, 28.2% in the low-catechin group, and 13.1% in the high-catechin group (log rank test, p = 0.042). The hazard ratio (95% confidence interval (CI)) with reference to the placebo group was 1.09 (0.61-1.92) in the low-catechin group and 0.46 (0.23-0.95) in the high-catechin group. These findings suggest that catechins combined with xanthan gum protect against URTIs.
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Affiliation(s)
- Daisuke Furushima
- Department of Drug Evaluation and Informatics, Graduate School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka 422-8526, Japan; (T.N.); (R.I.); (H.Y.)
- Correspondence: ; Tel./Fax: +81-54-264-5591
| | - Takuma Nishimura
- Department of Drug Evaluation and Informatics, Graduate School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka 422-8526, Japan; (T.N.); (R.I.); (H.Y.)
| | | | - Ryo Iketani
- Department of Drug Evaluation and Informatics, Graduate School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka 422-8526, Japan; (T.N.); (R.I.); (H.Y.)
| | - Tomohito Mizuno
- Biological Science Research Laboratories, Kao Corporation, Tokyo 131-8501, Japan; (T.M.); (Y.M.); (M.H.)
| | - Yuji Matsui
- Biological Science Research Laboratories, Kao Corporation, Tokyo 131-8501, Japan; (T.M.); (Y.M.); (M.H.)
| | - Tohru Yamaguchi
- Health Care Food Research Laboratories, Kao Corporation, Tokyo 131-8501, Japan;
| | - Yu Nakashima
- Personal Healthcare Research Laboratories, Kao Corporation, Tokyo 131-8501, Japan; (Y.N.); (S.Y.)
| | - Shinji Yamamoto
- Personal Healthcare Research Laboratories, Kao Corporation, Tokyo 131-8501, Japan; (Y.N.); (S.Y.)
| | - Masanobu Hibi
- Biological Science Research Laboratories, Kao Corporation, Tokyo 131-8501, Japan; (T.M.); (Y.M.); (M.H.)
| | - Hiroshi Yamada
- Department of Drug Evaluation and Informatics, Graduate School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka 422-8526, Japan; (T.N.); (R.I.); (H.Y.)
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Ersöz M, Karatuğ Kaçar A, Sezekler I, Coşkun ZM. MCF-7 hücrelerinde borik asit uygulanan yeşil çayın ısı şok proteinlerinin ekspresyonlarına etkileri. CUKUROVA MEDICAL JOURNAL 2019. [DOI: 10.17826/cumj.435450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Chen Y, Ni J, Li H. Effect of green tea and mulberry leaf powders on the gut microbiota of chicken. BMC Vet Res 2019; 15:77. [PMID: 30841884 PMCID: PMC6404333 DOI: 10.1186/s12917-019-1822-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Accepted: 02/25/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The gut microbiota is closely correlated with host health and is strongly influenced by food composition. Chinese herbs are usually used as natural feed additives in livestock production. Therefore, the present study assessed the influence of diet supplementation with green tea and mulberry leaf powders on the chicken gut microbiota. The gut microbiota compositions were determined using 16S rDNA sequencing. RESULTS Enhanced relative abundances of Bacteroides, Prevotella, and Megamonas were found in the chicken gut when mulberry leaf powder was added to diet. Conversely, a higher abundance of potentially pathogenic Gallibacterium was found in the chicken gut when the diet was supplemented with green tea powder. These results indicated that green tea powder and mulberry leaf powder can greatly affect the gut microbiota of chickens by changing their compositions. CONCLUSIONS It is imperative to examine and evaluate the effects of Chinese herbs on animal health before they are introduced as feed additives in animal production.
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Affiliation(s)
- Yuan Chen
- School of Life Science, Huizhou University, Huizhou, 516007 China
| | - Jiajia Ni
- Department of Hepatobiliary Surgery II, Guangdong Provincial Research Center of Artificial Organ and Tissue Engineering, Zhujiang Hospital of Southern Medical University, Guangzhou, 510280 China
- State Key Laboratory of Organ Failure Research, Southern Medical University, Guangzhou, 510515 China
| | - Hongwei Li
- School of Life Science, Huizhou University, Huizhou, 516007 China
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