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Ghosal D, Majumder N, Das P, Chaudhary S, Dey S, Banerjee P, Tiwari P, Das P, Basak P, Nandi SK, Ghosh S, Kumar S. Enhancing Wound Healing With Sprayable Hydrogel Releasing Multi Metallic Ions: Inspired by the Body's Endogenous Healing Mechanism. Adv Healthc Mater 2024:e2402024. [PMID: 39226530 DOI: 10.1002/adhm.202402024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 07/31/2024] [Indexed: 09/05/2024]
Abstract
In the pursuit of new wound care products, researchers are exploring methods to improve wound healing through exogenous wound healing products. However, diverging from this conventional approach, this work has developed an endogenous support system for wound healing, drawing inspiration from the body's innate healing mechanisms governed by the sequential release of metal ions by body at wound site to promote different stages of wound healing. This work engineers a multi-ion-releasing sprayable hydrogel system, to mimic this intricate process, representing the next evolutionary step in wound care products. It comprises Alginate (Alg) and Fibrin (Fib) hydrogel infused with Polylactic acid (PLA) polymeric microcarriers encapsulating multi (calcium, copper, and zinc) nanoparticles (Alg-Fib-PLA-nCMB). Developed sprayable Alg-Fib-PLA-nCMB hydrogel show sustained release of beneficial multi metallic ions at wound site, offering a range of advantages including enhanced cellular function, antibacterial properties, and promotion of crucial wound healing processes like cell migration, ROS mitigation, macrophage polarization, collagen deposition, and vascular regeneration. In a comparative study with a commercial product (Midstress spray), developed Alg-Fib-PLA-nCMB hydrogel demonstrates superior wound healing outcomes in a rat model, indicating its potential for next generation wound care product, addressing critical challenges and offering a promising avenue for future advancements in the wound management.
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Affiliation(s)
- Doyel Ghosal
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Nilotpal Majumder
- Department of Textile and Fibre Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Pratik Das
- School of Bioscience and Engineering, Jadavpur University, Kolkata, 700032, India
- Department of Veterinary Surgery & Radiology, West Bengal University of Animal & Fishery Sciences, Kolkata, 700037, India
| | - Shivani Chaudhary
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Sovan Dey
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Priya Banerjee
- Department of Textile and Fibre Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Preeti Tiwari
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Piyali Das
- Department of Microbiology, School of Life Science and Biotechnology, Adamas University, Kolkata, 700126, India
| | - Piyali Basak
- School of Bioscience and Engineering, Jadavpur University, Kolkata, 700032, India
| | - Samit K Nandi
- Department of Veterinary Surgery & Radiology, West Bengal University of Animal & Fishery Sciences, Kolkata, 700037, India
| | - Sourabh Ghosh
- Department of Textile and Fibre Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Sachin Kumar
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India
- Department of Biomedical Engineering, All India Institute of Medical Sciences, New Delhi, 110029, India
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2
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Zayed HS, Saleh S, Omar AE, Saleh AK, Salama A, Tolba E. Development of collagen-chitosan dressing gel functionalized with propolis-zinc oxide nanoarchitectonics to accelerate wound healing. Int J Biol Macromol 2024; 261:129665. [PMID: 38266853 DOI: 10.1016/j.ijbiomac.2024.129665] [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: 09/20/2023] [Revised: 01/01/2024] [Accepted: 01/19/2024] [Indexed: 01/26/2024]
Abstract
Using an in situ sol-gel technique, new nanoarchitectonics of propolis loaded zinc oxide nanoarchitectonics (PP/ZnO-NPs) were developed in order to improve the in vivo outcomes of collagen-chitosan gel in wounded rats. The obtained nanoarchitectonics were fully characterized. The XRD results indicate the presence of a Zincite phase for ZnO-NPs and Zincite accompanied by a minor amount of zinc hydroxide for PP/ZnO-NPs samples. While the TEM findings illustrate the transfer of the ZnO-NPs from agglomerated spheres with an average particle size of 230 ± 29 nm to needle-like NPs of 323 ± 173 nm length (PP1/ZnO-NPs) and to a sheet-like NPs of 500 ± 173 nm diameter (PP2/ZnO-NPs). In addition, the incorporation of PP results in an increase in the surface negativity of ZnO-NPs to -31.4 ± 6.4 mV for PP2/ZnO-NPs. The antimicrobial activities of the nanocomposite gel loaded with 10%PP1/ZnO-NPs (G6) revealed the highest inhibition zone against E. coli (26 ± 2.31 mm). Remarkably, the in vivo outcomes showed that the nanocomposite gel (G6) has exceptional collagen deposition, quick wound closure rates, and re-epithelization. The outcomes demonstrate the nanocomposite gel encouraging biological properties for the treatment of damaged and infected wounds.
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Affiliation(s)
- Heba S Zayed
- Department of Physics, Faculty of Science, Al-Azhar University, Girls Branch, P.O Box 11884, Cairo, Egypt
| | - Safaa Saleh
- Department of Physics, Faculty of Science, Al-Azhar University, Girls Branch, P.O Box 11884, Cairo, Egypt
| | - Areg E Omar
- Department of Physics, Faculty of Science, Al-Azhar University, Girls Branch, P.O Box 11884, Cairo, Egypt
| | - Ahmed K Saleh
- Cellulose and Paper Department, National Research Centre, 33 El-Bohouth St., Dokki, P.O. 12622, Giza, Egypt
| | - Ahmed Salama
- Cellulose and Paper Department, National Research Centre, 33 El-Bohouth St., Dokki, P.O. 12622, Giza, Egypt
| | - Emad Tolba
- Polymers and Pigments Department, National Research Centre, 33 El-Bohouth St., Dokki, P.O. 12622, Giza, Egypt.
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3
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Moreno Florez AI, Malagon S, Ocampo S, Leal-Marin S, Gil González JH, Diaz-Cano A, Lopera A, Paucar C, Ossa A, Glasmacher B, Peláez-Vargas A, Garcia C. Antibacterial and osteoinductive properties of wollastonite scaffolds impregnated with propolis produced by additive manufacturing. Heliyon 2024; 10:e23955. [PMID: 38205336 PMCID: PMC10777370 DOI: 10.1016/j.heliyon.2023.e23955] [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: 08/18/2023] [Revised: 11/30/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
Biocompatible ceramic scaffolds offer a promising approach to address the challenges in bone reconstruction. Wollastonite, well-known for its exceptional biocompatibility, has attracted significant attention in orthopedics and craniofacial fields. However, the antimicrobial properties of wollastonite have contradictory findings, necessitating further research to enhance its antibacterial characteristics. This study aimed to explore a new approach to improve in vitro biological response in terms of antimicrobial activity and cell proliferation by taking advantage of additive manufacturing for the development of scaffolds with complex geometries by 3D printing using propolis-modified wollastonite. The scaffolds were designed with a TPMS (Triply Periodic Minimal Surface) gyroid geometric shape and 3D printed prior to impregnation with propolis extract. The paste formulation was characterized by rheometric measurements, and the presence of propolis was confirmed by FTIR spectroscopy. The scaffolds were comprehensively assessed for their mechanical strength. The biological characterization involved evaluating the antimicrobial effects against Staphylococcus aureus and Staphylococcus epidermidis, employing Minimum Inhibitory Concentration (MIC), Zone of Inhibition (ZOI), and biofilm formation assays. Additionally, SaOs-2 cultures were used to study cell proliferation (Alamar blue assay), and potential osteogenic was tested (von Kossa, Alizarin Red, and ALP stainings) at different time points. Propolis impregnation did not compromise the mechanical properties of the scaffolds, which exhibited values comparable to human trabecular bone. Propolis incorporation conferred antibacterial activity against both Staphylococcus aureus and Staphylococcus epidermidis. The implementation of TPMS gyroid geometry in the scaffold design demonstrated favorable cell proliferation with increased metabolic activity and osteogenic potential after 21 days of cell cultures.
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Affiliation(s)
- Ana Isabel Moreno Florez
- Grupo de Cerámicos y Vítreos, Universidad Nacional de Colombia sede Medellín, Medellín 050034, Colombia
| | - Sarita Malagon
- Faculty of Dentistry, Universidad Cooperativa de Colombia sede Medellín, Medellín 055422, Colombia
| | - Sebastian Ocampo
- Grupo de Cerámicos y Vítreos, Universidad Nacional de Colombia sede Medellín, Medellín 050034, Colombia
| | - Sara Leal-Marin
- Institute for Multiphase Processes (IMP), Leibniz University Hannover, Garbsen, Germany, Lower Saxony Center for Biomedical Engineering, Implant Research and Development, Hannover, Germany
| | - Jesús Humberto Gil González
- Departamento de ingeniería agrícola y alimentos. Facultad de ciencias agrarias. Universidad Nacional de Colombia sede Medellín, Colombia
| | - Andres Diaz-Cano
- Grupo de Cerámicos y Vítreos, Universidad Nacional de Colombia sede Medellín, Medellín 050034, Colombia
| | - Alex Lopera
- Grupo de Nanoestructuras y Física Aplicada (NANOUPAR), Universidad Nacional de Colombia, La Paz 202017, Colombia
| | - Carlos Paucar
- Grupo de Cerámicos y Vítreos, Universidad Nacional de Colombia sede Medellín, Medellín 050034, Colombia
| | - Alex Ossa
- School of Applied Sciences and Engineering, Universidad Eafit, Medellín 050022, Colombia
| | - Birgit Glasmacher
- Institute for Multiphase Processes (IMP), Leibniz University Hannover, Garbsen, Germany, Lower Saxony Center for Biomedical Engineering, Implant Research and Development, Hannover, Germany
| | - Alejandro Peláez-Vargas
- Faculty of Dentistry, Universidad Cooperativa de Colombia sede Medellín, Medellín 055422, Colombia
| | - Claudia Garcia
- Grupo de Cerámicos y Vítreos, Universidad Nacional de Colombia sede Medellín, Medellín 050034, Colombia
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Yang F, Xue Y, Wang F, Guo D, He Y, Zhao X, Yan F, Xu Y, Xia D, Liu Y. Sustained release of magnesium and zinc ions synergistically accelerates wound healing. Bioact Mater 2023; 26:88-101. [PMID: 36875054 PMCID: PMC9974450 DOI: 10.1016/j.bioactmat.2023.02.019] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/16/2023] [Accepted: 02/17/2023] [Indexed: 02/27/2023] Open
Abstract
Skin wounds are a major medical challenge that threaten human health. Functional hydrogel dressings demonstrate great potential to promote wound healing. In this study, magnesium (Mg) and zinc (Zn) are introduced into methacrylate gelatin (GelMA) hydrogel via low-temperature magnetic stirring and photocuring, and their effects on skin wounds and the underlying mechanisms are investigated. Degradation testing confirmed that the GelMA/Mg/Zn hydrogel released magnesium ions (Mg2+) and zinc ions (Zn2+) in a sustained manner. The Mg2+ and Zn2+ not only enhanced the migration of human skin fibroblasts (HSFs) and human immortalized keratinocytes (HaCats), but also promoted the transformation of HSFs into myofibroblasts and accelerated the production and remodeling of extracellular matrix. Moreover, the GelMA/Mg/Zn hydrogel enhanced the healing of full-thickness skin defects in rats via accelerated collagen deposition, angiogenesis and skin wound re-epithelialization. We also identified the mechanisms through which GelMA/Mg/Zn hydrogel promoted wound healing: the Mg2+ promoted Zn2+ entry into HSFs and increased the concentration of Zn2+ in HSFs, which effectively induced HSFs to differentiate into myofibroblasts by activating the STAT3 signaling pathway. The synergistic effect of Mg2+ and Zn2+ promoted wound healing. In conclusion, our study provides a promising strategy for skin wounds regeneration.
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Affiliation(s)
- Fan Yang
- Department of Prosthodontics, Peking University Hospital of Stomatology, Beijing, 100081, China
- National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Yijia Xue
- Department of Prosthodontics, Peking University Hospital of Stomatology, Beijing, 100081, China
- National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Feilong Wang
- Department of Prosthodontics, Peking University Hospital of Stomatology, Beijing, 100081, China
- National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Danni Guo
- Department of Prosthodontics, Peking University Hospital of Stomatology, Beijing, 100081, China
- National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Yunjiao He
- Department of Prosthodontics, Peking University Hospital of Stomatology, Beijing, 100081, China
- National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Xiao Zhao
- Department of Prosthodontics, Peking University Hospital of Stomatology, Beijing, 100081, China
- National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Fanyu Yan
- Department of Prosthodontics, Peking University Hospital of Stomatology, Beijing, 100081, China
- National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Yuqian Xu
- Department of Prosthodontics, Peking University Hospital of Stomatology, Beijing, 100081, China
- National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Dandan Xia
- National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
- Department of Dental Materials, Peking University Hospital of Stomatology, Beijing, 100081, China
- Corresponding author. Department of Dental Materials, Peking University School and Hospital of Stomatology, No.22, Zhongguancun South Avenue, Haidian District, Beijing, 100081, China.
| | - Yunsong Liu
- Department of Prosthodontics, Peking University Hospital of Stomatology, Beijing, 100081, China
- National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
- Corresponding author. Department of Prosthodontics, Peking University School and Hospital of Stomatology, No.22, Zhongguancun South Avenue, Haidian District, Beijing, 100081, China.
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5
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Balderas-Cordero D, Canales-Alvarez O, Sánchez-Sánchez R, Cabrera-Wrooman A, Canales-Martinez MM, Rodriguez-Monroy MA. Anti-Inflammatory and Histological Analysis of Skin Wound Healing through Topical Application of Mexican Propolis. Int J Mol Sci 2023; 24:11831. [PMID: 37511590 PMCID: PMC10380968 DOI: 10.3390/ijms241411831] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/14/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023] Open
Abstract
Skin wound healing is a complex biochemical process of tissue repair and remodeling in response to injury. Currently, the drugs used to improve the healing process are inaccessible to the population, are costly, and have side effects, making the search for new treatment alternatives necessary. Propolis is a natural product produced by bees that is widely recognized and used in folk medicine for its multiple biomedical activities. However, therapeutic information regarding Mexican propolis is limited. This study aimed to evaluate the wound-healing effect of the Chihuahua ethanolic extract of propolis (ChEEP). Macroscopic and histological analyses were performed using a mouse wound-healing model. The topic acute toxicity assay showed that propolis at 10% w/v had no toxic effects. ChEEP has antibacterial activity against the Gram-positive bacteria Staphylococcus aureus and Staphylococcus epidermidis. Moreover, it exhibited good anti-inflammatory activity evaluated through mouse ear edema induced by 12-O-tetradeca-noylphorbol-13-acetate (TPA). A full-thickness incision lesion was created in mice and treated topically with 10% ChEEP. At Day 14 post-treatment, it was observed that propolis increased wound contraction and reduced healing time and wound length; furthermore, propolis increased the tensile strength of the wound, as determined with the tensiometric method, and promoted the formation of type I collagen at the site of injury, as evaluated with Herovici stain. These findings suggest that the topical administration of ChEEP can improve skin wound healing, probably due to the synergistic effect of its components, mainly polyphenols, in different steps of the wound-healing process. It should be noted this is the first time that the wound-healing activity of a Mexican propolis has been evaluated.
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Affiliation(s)
- Daniela Balderas-Cordero
- Laboratorio de Investigación Biomédica en Productos Naturales, Carrera de Medicina, UNAM, FES-Iztacala, Avenida de los Barrios Número 1, Tlalnepantla 54090, Estado de México, Mexico
| | - Octavio Canales-Alvarez
- Laboratorio de Investigación Biomédica en Productos Naturales, Carrera de Medicina, UNAM, FES-Iztacala, Avenida de los Barrios Número 1, Tlalnepantla 54090, Estado de México, Mexico
- Laboratorio de Génetica Toxicológica, Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas, Av. Wilfrido Massieu, Ciudad de México 07738, Mexico
| | - Roberto Sánchez-Sánchez
- Unidad de Ingeniería de Tejidos, Terapia Celular y Medicina Regenerativa, Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Ciudad de México 14389, Mexico
| | - Alejandro Cabrera-Wrooman
- Laboratorio de Tejido Conjuntivo, Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Ciudad de México 14389, Mexico
| | - Maria Margarita Canales-Martinez
- Laboratorio de Farmacognosia, UBIPRO, UNAM, FES-Iztacala, Avenida de los Barrios Número 1, Colonia Los Reyes Iztacala, Tlalnepantla 54090, Estado de México, Mexico
| | - Marco Aurelio Rodriguez-Monroy
- Laboratorio de Investigación Biomédica en Productos Naturales, Carrera de Medicina, UNAM, FES-Iztacala, Avenida de los Barrios Número 1, Tlalnepantla 54090, Estado de México, Mexico
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6
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Eivazzadeh-Keihan R, Zare-Bakheir E, Aliabadi HAM, Gorab MG, Ghafuri H, Maleki A, Madanchi H, Mahdavi M. A novel, bioactive and antibacterial scaffold based on functionalized graphene oxide with lignin, silk fibroin and ZnO nanoparticles. Sci Rep 2022; 12:8770. [PMID: 35610263 PMCID: PMC9130258 DOI: 10.1038/s41598-022-12283-5] [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: 10/31/2021] [Accepted: 05/09/2022] [Indexed: 11/21/2022] Open
Abstract
In this study, a novel nanobiocomposite was synthesized using graphene oxide, lignin, silk fibroin and ZnO and used in biological fields. To synthesize this structure, after preparing graphene oxide by the Hummer method, lignin, silk fibroin, and ZnO nanoparticles (NPs) were added to it, respectively. Also, ZnO NPs with a particle size of about 18 nm to 33 nm was synthesized via Camellia sinensis extract by green methodology. The synthesized structure was examined as anti-biofilm agent and it was observed that the Graphene oxide-lignin/silk fibroin/ZnO nanobiocomposite has a significant ability to prevent the formation of P. aeruginosa biofilm. In addition, due to the importance of the possibility of using this structure in biological environments, its toxicity and blood compatibility were also evaluated. According to the obtained results from MTT assay, the viability percentages of Hu02 cells treated with Graphene oxide-lignin/silk fibroin/ZnO nanobiocomposite after 24, 48, and 72 h of incubation were 89.96%, 89.32%, and 91.28%. On the other hand, the hemolysis percentage of the synthesized structure after 24 h and 72 h of extraction was 9.5% and 11.76% respectively. As a result, the synthesized structure has a hemolysis percentage below 12% and its toxicity effect on Hu02 cells is below 9%.
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Affiliation(s)
- Reza Eivazzadeh-Keihan
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran
| | - Ensiye Zare-Bakheir
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran
| | - Hooman Aghamirza Moghim Aliabadi
- Protein Chemistry Laboratory, Department of Medical Biotechnology, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
- Advanced Chemistry Studies Lab, Department of Chemistry, K. N. Toosi University of Technology, Tehran, Iran
| | - Mostafa Ghafori Gorab
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran
| | - Hossein Ghafuri
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran
| | - Ali Maleki
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran.
| | - Hamid Madanchi
- Department of Biotechnology, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran.
- Drug Design and Bioinformatics Unit, Department of Medical Biotechnology, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran.
| | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
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7
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Chen Y, Cai J, Liu D, Liu S, Lei D, Zheng L, Wei Q, Gao M. Zinc based metal organic framework with antibacterial and anti- inflammatory properties for promoting wound healing. Regen Biomater 2022; 9:rbac019. [PMID: 35493287 PMCID: PMC9046580 DOI: 10.1093/rb/rbac019] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 03/22/2022] [Indexed: 11/14/2022] Open
Abstract
The synergistic effect of antibacterial and anti-inflammatory is needed to overcome the problem of wound healing difficulties. Based on the favorable antibacterial and anti-inflammatory effect of zinc ions (Zn2+) and the physicochemical properties of metal organic frameworks (MOFs), we prepared nanosized zinc-based MOF: Zn-BTC with the ability to slowly release Zn2+. In cellular levels, Zn-BTC possessed lower toxicity to fibroblasts and enhanced capacity of cell proliferation and migration. It also had good bactericidal effect on multiple drug-resistant bacteria by reducing 41.4% MRSA and 47.2% Escherichia coli. In addition, Zn-BTC also displayed the ability of lowering the expression of antioxidant genes: superoxide dismutase 1, superoxide dismutase 2 and interleukin 6, and enhancing the expression of wound healing genes: transforming growth factors-β and type I collagen. Finally, it also demonstrated that Zn-BTC could effectively improve the skin wound healing of SD rats and had no toxicity on major organs. The favorable biocompatibility, antibacterial and anti-inflammatory properties of Zn-BTC gave a new insight of designing novel MOFs for promoting skin wound healing.
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Affiliation(s)
- Yuting Chen
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
- Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
| | - Jinhong Cai
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
- Guangxi Collaborative Innovation Center of Regenerative Medicine and Medical Bioresource Development and Application, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
| | - Dachang Liu
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
- Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
| | - Shuhan Liu
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
- Guangxi Collaborative Innovation Center of Regenerative Medicine and Medical Bioresource Development and Application, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
| | - Doudou Lei
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
- Guangxi Collaborative Innovation Center of Regenerative Medicine and Medical Bioresource Development and Application, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
| | - Li Zheng
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
- Guangxi Collaborative Innovation Center of Regenerative Medicine and Medical Bioresource Development and Application, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
- Guangxi Key Laboratory of Regenerative Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
| | - Qingjun Wei
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
- Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
- Guangxi Collaborative Innovation Center of Regenerative Medicine and Medical Bioresource Development and Application, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
| | - Ming Gao
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
- Guangxi Collaborative Innovation Center of Regenerative Medicine and Medical Bioresource Development and Application, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
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8
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Chigama H, Kanetaka H, Furuya M, Yokota K, Kawashita M. Indirect cytotoxicity evaluations of antibacterial raw silk fabric doped with calcium, copper and zinc on fibroblasts and osteoblasts. J Biomater Appl 2022; 36:1417-1426. [PMID: 34984930 DOI: 10.1177/08853282211058941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Antibacterial materials are widely used to prevent hospital-acquired infections. In our previous report, metal (calcium, copper or zinc)-doped raw silk fabrics were shown to possess strong antibacterial activities against Escherichia coli. However, antibacterial materials may occasionally be harmful to the human body; thus, in this study, we investigated the cytotoxicities of extracts from metal-doped raw silk fabrics with respect to fibroblasts and osteoblasts indirectly. Calcium-doped raw silk fabric demonstrated cytocompatibility with fibroblasts. Contrarily, copper- and zinc-doped raw silk fabrics remarkably decreased the cell densities of fibroblasts, indicating their cytotoxic effects. This observation could be attributed to the high concentrations of the released copper or zinc ions. However, calcium-, copper- and zinc-doped raw silk fabrics did not demonstrate any cytotoxic effects on osteoblasts because a high concentration of the serum alleviated the effects of these metal ions released from the fabrics. Thus, calcium-doped raw silk fabric is a promising antibacterial material that does not induce strong cytotoxicity. This study will facilitate the design of materials that are both antibacterial and safe.
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Affiliation(s)
- Hiroki Chigama
- Graduate School of Dentistry, 13101Tohoku University, Sendai, Japan
| | | | - Maiko Furuya
- Graduate School of Dentistry, 13101Tohoku University, Sendai, Japan
| | - Kotone Yokota
- Graduate School of Dentistry, 13101Tohoku University, Sendai, Japan
| | - Masakazu Kawashita
- Institute of Biomaterials and Bioengineering, 13100Tokyo Medical and Dental University, Tokyo, Japan
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Comparative In Vitro Evaluation of Commercial Periodontal Gels on Antibacterial, Biocompatibility and Wound Healing Ability. Pharmaceutics 2021; 13:pharmaceutics13091502. [PMID: 34575578 PMCID: PMC8465455 DOI: 10.3390/pharmaceutics13091502] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/08/2021] [Accepted: 09/14/2021] [Indexed: 11/17/2022] Open
Abstract
In the last years, several studies testing commercial periodontal gels that contain chlorhexidine (CHX) or other antibacterial agents, have raised concerns regarding their cytotoxicity in periodontal tissues. We aimed at comparing the biocompatibility but also the efficacy as regards to the antibacterial and wound healing ability of different commercial periodontal gels. In vitro human gingival fibroblasts (GF) and a 3D model of human tissue equivalents of gingiva (GTE) were used under inflammatory conditions to evaluate wound closure, cytotoxicity and gene expression. Antibacterial effects were also investigated on Porphyromonas gingivalis growth, viability and gingipain activity. In GF and in the bacterial study, we found cytotoxic effects on GF and a high inhibition on bacterial growth rate in gels containing CHX, asiaticoside, enoxolone, cetylpyridinium chloride, propolis and eugenol. Of the two gels that were non-cytotoxic, Syntoss Biogel (containing chondrontin sulfate) and Emdogain (EMD, containing amelogenin and propylene glycol alginate), EMD showed the best wound closure, with no effect on P. gingivalis growth but decreased gingipain activity. On the other hand, Syntoss Biogel reduced viability and gingipain activity of P. gingivalis, but lack wound healing capacity. In the 3D GTE, Syntoss Biogel and EMD showed a good biocompatibility. Among all the tested gels, formulations containing CHX, asiaticoside, enoxolone, cetylpyridinium chloride, propolis and eugenol showed high antibacterial effect but also showed high cytotoxicity in eukaryotic cells. EMD was the one with the best biocompatibility and wound healing ability at the conditions tested.
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Eivazzadeh-Keihan R, Moghim Aliabadi HA, Radinekiyan F, Sobhani M, Farzane Khalili, Maleki A, Madanchi H, Mahdavi M, Shalan AE. Investigation of the biological activity, mechanical properties and wound healing application of a novel scaffold based on lignin-agarose hydrogel and silk fibroin embedded zinc chromite nanoparticles. RSC Adv 2021; 11:17914-17923. [PMID: 35480185 PMCID: PMC9033182 DOI: 10.1039/d1ra01300a] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 05/03/2021] [Indexed: 01/12/2023] Open
Abstract
Given the important aspects of wound healing approaches, in this work, an innovative biocompatible nanobiocomposite scaffold was designed and prepared based on cross-linked lignin-agarose hydrogel, extracted silk fibroin solution, and zinc chromite (ZnCr2O4) nanoparticles. Considering the cell viability technique, red blood cell hemolysis in addition to anti-biofilm assays, it was determined that after three days, the toxicity of the cross-linked lignin-agarose/SF/ZnCr2O4 nanobiocomposite was less than 13%. Moreover, the small hemolytic effect (1.67%) and high level of prevention in forming a P. aeruginosa biofilm with low OD value (0.18) showed signs of considerable hemocompatibility and antibacterial activity. Besides, according to an in vivo assay study, the wounds of mice treated with the cross-linked lignin-agarose/SF/ZnCr2O4 nanobiocomposite scaffold were almost completely healed in five days. Aside from these biological tests, the structural features were evaluated by FT-IR, EDX, FE-SEM, and TG analyses, as well as swelling ratio, rheological, and compressive mechanical study tests. Additionally, it was concluded that adding silk fibroin and ZnCr2O4 nanoparticles could enhance the mechanical tensile properties of cross-linked lignin-agarose hydrogel, and also an elastic network was characterized for this designed nanobiocomposite.
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Affiliation(s)
- Reza Eivazzadeh-Keihan
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98-21-73021584 +98-21-73228313
| | - Hooman Aghamirza Moghim Aliabadi
- Faculty of Chemistry, K. N. Toosi University of Technology Tehran Iran
- Protein Chemistry Laboratory, Department of Medical Biotechnology, Biotechnology Research Center, Pasteur Institute of Iran Tehran Iran
| | - Fateme Radinekiyan
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98-21-73021584 +98-21-73228313
| | - Mohammad Sobhani
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98-21-73021584 +98-21-73228313
| | - Farzane Khalili
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98-21-73021584 +98-21-73228313
| | - Ali Maleki
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran +98-21-73021584 +98-21-73228313
| | - Hamid Madanchi
- Department of Biotechnology, School of Medicine, Semnan University of Medical Sciences Semnan Iran
- Drug Design and Bioinformatics Unit, Department of Medical Biotechnology, Biotechnology Research Center, Pasteur Institute of Iran Tehran Iran
| | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences Tehran Iran
| | - Ahmed Esmail Shalan
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, Martina Casiano, UPV/EHU Science Park Barrio Sarriena s/n Leioa 48940 Spain
- Central Metallurgical Research and Development Institute (CMRDI) P. O. Box 87 Helwan Cairo 11421 Egypt
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Altoé LS, Alves RS, Miranda LL, Sarandy MM, Bastos DSS, Gonçalves-Santos E, Novaes RD, Gonçalves RV. Doxycycline Hyclate Modulates Antioxidant Defenses, Matrix Metalloproteinases, and COX-2 Activity Accelerating Skin Wound Healing by Secondary Intention in Rats. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:4681041. [PMID: 33959214 PMCID: PMC8075706 DOI: 10.1155/2021/4681041] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 11/16/2020] [Accepted: 03/31/2021] [Indexed: 02/07/2023]
Abstract
The main objective of this study was to investigate the action of doxycycline hyclate (Dx) in the skin wound healing process in Wistar rats. We investigated the effect of Dx on inflammatory cell recruitment and production of inflammatory mediators via in vitro and in vivo analysis. In addition, we analyzed neovascularization, extracellular matrix deposition, and antioxidant potential of Dx on cutaneous repair in Wistar rats. Male animals (n = 15) were divided into three groups with five animals each (protocol: 72/2017), and three skin wounds (12 mm diameter) were created on the back of the animals. The groups were as follows: C, received distilled water (control); Dx1, doxycycline hyclate (10 mg/kg/day); and Dx2, doxycycline hyclate (30 mg/kg/day). The applications were carried out daily for up to 21 days, and tissues from different wounds were removed every 7 days. Our in vitro analysis demonstrated that Dx led to macrophage proliferation and increased N-acetyl-β-D-glucosaminidase (NAG) production, besides decreased cyclooxygenase-2 (COX-2), prostaglandin E2 (PGE2), and metalloproteinases (MMP), which indicates that macrophage activation and COX-2 inhibition are possibly regulated by independent mechanisms. In vivo, our findings presented increased cellularity, blood vessels, and the number of mast cells. However, downregulation was observed in the COX-2 and PGE2 expression, which was limited to epidermal cells. Our results also showed that the downregulation of this pathway benefits the oxidative balance by reducing protein carbonyls, malondialdehyde, nitric oxide, and hydrogen peroxide (H2O2). In addition, there was an increase in the antioxidant enzymes (catalase and superoxide dismutase) after Dx exposure, which demonstrates its antioxidant potential. Finally, Dx increased the number of types I collagen and elastic fibers and reduced the levels of MMP, thus accelerating the closure of skin wounds. Our findings indicated that both doses of Dx can modulate the skin repair process, but the best effects were observed after exposure to the highest dose.
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Affiliation(s)
- Luciana S. Altoé
- Departament of General Biology, Federal University of Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Raul S. Alves
- Departament of General Biology, Federal University of Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Lyvia L. Miranda
- Departament of General Biology, Federal University of Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Mariáurea M. Sarandy
- Departament of General Biology, Federal University of Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Daniel S. S. Bastos
- Departament of General Biology, Federal University of Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Elda Gonçalves-Santos
- Departament of Structural Biology, Federal University of Alfenas, Alfenas, Minas Gerais 37130-001, Brazil
| | - Rômulo D. Novaes
- Departament of Structural Biology, Federal University of Alfenas, Alfenas, Minas Gerais 37130-001, Brazil
| | - Reggiani V. Gonçalves
- Departament of Animal Biology, Federal University of Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
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Celiksoy V, Moses RL, Sloan AJ, Moseley R, Heard CM. Evaluation of the In Vitro Oral Wound Healing Effects of Pomegranate ( Punica granatum) Rind Extract and Punicalagin, in Combination with Zn (II). Biomolecules 2020; 10:E1234. [PMID: 32854243 PMCID: PMC7565068 DOI: 10.3390/biom10091234] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 08/18/2020] [Accepted: 08/20/2020] [Indexed: 12/15/2022] Open
Abstract
Pomegranate (Punica granatum) is a well-established folklore medicine, demonstrating benefits in treating numerous conditions partly due to its antimicrobial and anti-inflammatory properties. Such desirable medicinal capabilities are attributed to a high hydrolysable tannin content, especially punicalagin. However, few studies have evaluated the abilities of pomegranate to promote oral healing, during situations such as periodontal disease or trauma. Therefore, this study evaluated the antioxidant and in vitro gingival wound healing effects of pomegranate rind extract (PRE) and punicalagin, alone and in combination with Zn (II). In vitro antioxidant activities were studied using DPPH and ABTS assays, with total PRE phenolic content measured by Folin-Ciocalteu assay. PRE, punicalagin and Zn (II) combination effects on human gingival fibroblast viability/proliferation and migration were investigated by MTT assay and scratch wounds, respectively. Punicalagin demonstrated superior antioxidant capacities to PRE, although Zn (II) exerted no additional influences. PRE, punicalagin and Zn (II) reduced gingival fibroblast viability and migration at high concentrations, but retained viability at lower concentrations without Zn (II). Fibroblast speed and distance travelled during migration were also enhanced by punicalagin with Zn (II) at low concentrations. Therefore, punicalagin in combination with Zn (II) may promote certain anti-inflammatory and fibroblast responses to aid oral healing.
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Affiliation(s)
- Vildan Celiksoy
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff CF10 3NB, UK;
| | - Rachael L. Moses
- Oral and Biomedical Sciences, School of Dentistry, Cardiff University, Cardiff CF14 4XY, UK;
| | - Alastair J. Sloan
- Melbourne Dental School, Faculty of Medicine, Dentistry and Health Sciences, Melbourne Dental School, University of Melbourne, Victoria 3010, Australia;
| | - Ryan Moseley
- Oral and Biomedical Sciences, School of Dentistry, Cardiff University, Cardiff CF14 4XY, UK;
| | - Charles M. Heard
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff CF10 3NB, UK;
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González-Masís J, Cubero-Sesin JM, Corrales-Ureña YR, González-Camacho S, Mora-Ugalde N, Baizán-Rojas M, Loaiza R, Vega-Baudrit JR, Gonzalez-Paz RJ. Increased Fibroblast Metabolic Activity of Collagen Scaffolds via the Addition of Propolis Nanoparticles. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E3118. [PMID: 32668654 PMCID: PMC7412245 DOI: 10.3390/ma13143118] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 07/01/2020] [Accepted: 07/04/2020] [Indexed: 11/16/2022]
Abstract
Propolis natural extracts have been used since ancient times due to their antioxidant, anti-inflammatory, antiviral, and antimicrobial activities. In this study, we produced scaffolds of type I collagen, extracted from Wistar Hanover rat tail tendons, and impregnated them with propolis nanoparticles (NPs) for applications in regenerative medicine. Our results show that the impregnation of propolis NPs to collagen scaffolds affected the collagen denaturation temperature and tensile strength. The changes in structural collagen self-assembly due to contact with organic nanoparticles were shown for the first time. The fibril collagen secondary structure was preserved, and the D-pattern gap increased to 135 ± 28 nm, without losing the microfiber structure. We also show that the properties of the collagen scaffolds depended on the concentration of propolis NPs. A concentration of 100 μg/mL of propolis NPs with 1 mg of collagen, with a hydrodynamic diameter of 173 nm, was found to be an optimal concentration to enhance 3T3 fibroblast cell metabolic activity and cell proliferation. The expected outcome from this research is both scientifically and socially relevant since the home scaffold using natural nanoparticles can be produced using a simple method and could be widely used for local medical care in developing communities.
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Affiliation(s)
- Jeimmy González-Masís
- Centro de Investigación y Extensión en Materiales, Escuela de Ciencia e Ingeniería de los Materiales, Instituto Tecnológico de Costa Rica, 159-7050 Cartago, Costa Rica; (J.G.-M.); (J.M.C.-S.)
| | - Jorge M. Cubero-Sesin
- Centro de Investigación y Extensión en Materiales, Escuela de Ciencia e Ingeniería de los Materiales, Instituto Tecnológico de Costa Rica, 159-7050 Cartago, Costa Rica; (J.G.-M.); (J.M.C.-S.)
| | - Yendry R. Corrales-Ureña
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland;
| | - Sara González-Camacho
- Biological Assay Laboratory (LEBi), Universidad de Costa Rica, 11501-2060 San José, Costa Rica;
| | - Nohelia Mora-Ugalde
- National Center for Biotechnological Innovations (CENIBiot), National Center of High Technology (CeNAT-CONARE), Pavas, 1174-1200 San José, Costa Rica; (N.M.-U.); (M.B.-R.); (R.L.)
| | - Mónica Baizán-Rojas
- National Center for Biotechnological Innovations (CENIBiot), National Center of High Technology (CeNAT-CONARE), Pavas, 1174-1200 San José, Costa Rica; (N.M.-U.); (M.B.-R.); (R.L.)
| | - Randall Loaiza
- National Center for Biotechnological Innovations (CENIBiot), National Center of High Technology (CeNAT-CONARE), Pavas, 1174-1200 San José, Costa Rica; (N.M.-U.); (M.B.-R.); (R.L.)
| | - José Roberto Vega-Baudrit
- National Laboratory of Nanotechnology (LANOTEC), National Center of High Technology (LANOTEC-CeNAT-CONARE), Pavas, 1174-1200 San José, Costa Rica;
- Laboratorio de Polímeros (POLIUNA), Universidad Nacional, 86-3000 Heredia, Costa Rica
| | - Rodolfo J. Gonzalez-Paz
- National Laboratory of Nanotechnology (LANOTEC), National Center of High Technology (LANOTEC-CeNAT-CONARE), Pavas, 1174-1200 San José, Costa Rica;
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Wezgowiec J, Wieczynska A, Wieckiewicz W, Kulbacka J, Saczko J, Pachura N, Wieckiewicz M, Gancarz R, Wilk KA. Polish Propolis-Chemical Composition and Biological Effects in Tongue Cancer Cells and Macrophages. Molecules 2020; 25:molecules25102426. [PMID: 32455950 PMCID: PMC7287845 DOI: 10.3390/molecules25102426] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/19/2020] [Accepted: 05/20/2020] [Indexed: 12/23/2022] Open
Abstract
The purpose of this study was to compare the chemical composition and biological properties of Polish propolis. Ethanol, ethanol-hexane, hexane and hexane-ethanol extracts of propolis from three different regions of Poland were prepared. On the basis of the evaluation of their chemical composition as well as the extraction yield and free radical scavenging activity, the ethanol and hexane-ethanol extractions were proposed as the most effective methods. Subsequently, the biological properties of the extracts were evaluated to investigate the selectivity of an anticancer effect on tongue cancer cells in comparison to normal gingival fibroblasts. The obtained products demonstrated anticancer activity against tongue cancer cells. Additionally, when the lowest extract concentration (100 µg/mL) was applied, they were not cytotoxic to gingival fibroblasts. Finally, a possible anti-inflammatory potential of the prepared products was revealed, as reduced mitochondrial activity and proliferation of macrophages exposed to the extracts were observed. The results obtained indicate a potential of Polish propolis as a natural product with cancer-selective toxicity and anti-inflammatory effect. However, further studies are still needed to thoroughly explain the molecular mechanisms of its action and to obtain the promising health benefits of this versatile natural product.
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Affiliation(s)
- Joanna Wezgowiec
- Department of Experimental Dentistry, Wroclaw Medical University, 50-425 Wroclaw, Poland;
- Correspondence: (J.W.); (W.W.)
| | - Anna Wieczynska
- Department of Engineering and Technology of Chemical Processes, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland; (A.W.); (R.G.); (K.A.W.)
- Institute of Genetics and Microbiology, University of Wroclaw, 51-148 Wroclaw, Poland
| | - Wlodzimierz Wieckiewicz
- Department of Prosthetic Dentistry, Wroclaw Medical University, 50-425 Wroclaw, Poland
- Correspondence: (J.W.); (W.W.)
| | - Julita Kulbacka
- Department of Molecular and Cellular Biology, Wroclaw Medical University, 50-556 Wroclaw, Poland; (J.K.); (J.S.)
| | - Jolanta Saczko
- Department of Molecular and Cellular Biology, Wroclaw Medical University, 50-556 Wroclaw, Poland; (J.K.); (J.S.)
| | - Natalia Pachura
- Department of Chemistry, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland;
| | - Mieszko Wieckiewicz
- Department of Experimental Dentistry, Wroclaw Medical University, 50-425 Wroclaw, Poland;
| | - Roman Gancarz
- Department of Engineering and Technology of Chemical Processes, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland; (A.W.); (R.G.); (K.A.W.)
| | - Kazimiera A. Wilk
- Department of Engineering and Technology of Chemical Processes, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland; (A.W.); (R.G.); (K.A.W.)
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Ecem Bayram N, Gerçek YC, Bayram S, Toğar B. Effects of processing methods and extraction solvents on the chemical content and bioactive properties of propolis. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2019. [DOI: 10.1007/s11694-019-00340-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Abednejad A, Ghaee A, Nourmohammadi J, Mehrizi AA. Hyaluronic acid/ carboxylated Zeolitic Imidazolate Framework film with improved mechanical and antibacterial properties. Carbohydr Polym 2019; 222:115033. [DOI: 10.1016/j.carbpol.2019.115033] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 04/30/2019] [Accepted: 06/26/2019] [Indexed: 01/03/2023]
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Paśko P, Tyszka-Czochara M, Trojan S, Bobis-Wozowicz S, Zagrodzki P, Namieśnik J, Haruenkit R, Poovarodom S, Pinsirodom P, Gorinstein S. Glycolytic genes expression, proapoptotic potential in relation to the total content of bioactive compounds in durian fruits. Food Res Int 2019; 125:108563. [PMID: 31554073 DOI: 10.1016/j.foodres.2019.108563] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 07/09/2019] [Accepted: 07/13/2019] [Indexed: 12/24/2022]
Abstract
The properties of durian fruit at five stages of ripeness were evaluated and compared. The physicochemical parameters such as titratable acidity (TA) and total soluble solids (TSS) increased, whereas the pH slightly decreased during the ripening process. The highest contents of polyphenols, flavonoids, flavanols, tannins, vitamin C and the antioxidant capacities, measured by radical scavenging assays, were found in ripe and overripe fruits. The structural properties of extracted polyphenols were evaluated by Fourier transform infrared spectroscopy (FTIR) and fluorescence spectroscopy. The interaction of polyphenols with the main drug carrier in blood human serum albumin (HSA) showed decrease in its fluorescence intensity. The binding properties of polyphenols were in direct correlation with the antioxidant capacities of the investigated fruits. HepG2 cells evaluated cytotoxic effect and the mechanism of cell death after treatment with durian. The metabolism of carbohydrates was examined on the expression of glycolysis-related genes (hexokinase 2 (HK2); 6-phosphofructo-2-kinase 4 (PFKFB4); facilitated glucose transporter member 1 (SLC2A1 (Glut1)) and lactate dehydrogenase A and utilization of glucose in the hepatocytes with durian treatment. Durian in immature stage had stronger cytotoxic effect and weak proapoptotic potential on HepG2 cells than the mature and overripe ones. The ripe and overripe fruits increased the expression of hepatic HK2 and PFKFB4 glycolytic genes and stimulated glucose utilization in HepG2 cells. The present results indicate that durians reveal different biological activity and may provide their broad and extensive use as medicinal or functional foods.
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Affiliation(s)
- Paweł Paśko
- Department of Food Chemistry and Nutrition, Jagiellonian University Medical College, Kraków, Poland.
| | | | - Sonia Trojan
- Chair of Medical Biochemistry, Jagiellonian University Medical College, Kraków, Poland
| | - Sylwia Bobis-Wozowicz
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Kraków, Poland
| | - Paweł Zagrodzki
- Department of Food Chemistry and Nutrition, Jagiellonian University Medical College, Kraków, Poland
| | - Jacek Namieśnik
- Gdańsk University of Technology, Faculty of Chemistry, Department of Analytical Chemistry, Gdańsk, Poland
| | - Ratiporn Haruenkit
- Faculty of Agro-Industry, King Mongkut's Institute of Technology, Ladkrabang, Bangkok, Thailand
| | - Sumitra Poovarodom
- Department of Soil Science, King Mongkut's Institute of Technology, Ladkrabang, Bangkok, Thailand
| | - Praphan Pinsirodom
- Faculty of Agro-Industry, King Mongkut's Institute of Technology, Ladkrabang, Bangkok, Thailand
| | - Shela Gorinstein
- Institute for Drug Research, School of Pharmacy, Hadassah Medical School, The Hebrew University, Jerusalem, Israel.
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Paśko P, Tyszka-Czochara M, Namieśnik J, Jastrzębski Z, Leontowicz H, Drzewiecki J, Martinez-Ayala AL, Nemirovski A, Barasch D, Gorinstein S. Cytotoxic, antioxidant and binding properties of polyphenols from the selected gluten-free pseudocereals and their by-products: In vitro model. J Cereal Sci 2019. [DOI: 10.1016/j.jcs.2019.04.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Green propolis extract promotes in vitro proliferation, differentiation, and migration of bone marrow stromal cells. Biomed Pharmacother 2019; 115:108861. [PMID: 31005795 DOI: 10.1016/j.biopha.2019.108861] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 04/02/2019] [Accepted: 04/04/2019] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Propolis is a resinous material extracted from bee glue with a complex chemical composition. The unique biological properties of propolis have led to its use in alternative medicine and as a nutritional supplement. Recent research shows that propolis could affect the immune system by decreasing the production of inflammatory cytokines and potentiating an effect on resident stem cells. The exact mechanism, however, is unknown. The goal of this study was to demonstrate whether green propolis extract affects any characteristic properties of mesenchymal stromal cells (MSCs)in vitro. METHODS The cytocompatibility of propolis extract and the proliferation of bone marrow mesenchymal stromal cells (BMMSCs) in the presence of propolis was evaluated by live/dead cell staining and MTS viability assay over a period of 3 days. Also, we evaluated the effect of propolis extract on trilineage differentiation and migration capacity of undifferentiated and differentiated BMMSCs. RESULTS Relative to the control, propolis extract resulted in a significant and linear increase in the proliferation of MSCs and inhibited the osteogenic differentiation of BMMSCs, while there was a potentiation of chondrogenesis and adipogenesis. Finally, in relevance to wound healing, an in vitro scratch assay demonstrated that the migratory potential of differentiated BMMSCs was enhanced in the presence of propolis. CONCLUSION We have demonstrated that propolis extract was not toxic to BMMSCs (<400 μg/ml), supported their proliferation, potentiated chondrogenic and adipogenic differentiation processes, and supported cell migrationin vitro. Most interestingly, there was a down-regulation of osteogenesis. These data support the use of propolis extract for enhanced cell proliferation and tissue regeneration; however, it warrants further investigation.
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Gundogdu G, Gundogdu K, Nalci KA, Demirkaya AK, Yılmaz Tascı S, Demirkaya Miloglu F, Senol O, Hacimuftuoglu A. The Effect of Parietin Isolated From Rheum ribes L on In Vitro Wound Model Using Human Dermal Fibroblast Cells. INT J LOW EXTR WOUND 2019; 18:56-64. [DOI: 10.1177/1534734618819660] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Parietin is one of the well-known anthraquinone compounds that can be extracted from Rheum ribes L. In this study, we aimed to investigate the effects of parietin isolated from Rheum ribes L on an in vitro wound model using human dermal fibroblast cells and compare its effectiveness against zinc. The antioxidant effect of parietin was determined by using the 1,1-diphenyl-2-picrylhydrazine (DPPH) method. Human dermal fibroblast cells were cultured in proculture medium and were kept until 100% confluence was achieved. The wound model was created by using a pipette tip. After that, different concentrations of parietin and zinc (final concentrations in the well to be 5-250 µM and 25-200 µM, respectively) were added into the medium. The proliferation-inducing effect on cell viability was determined by using MTT assay. Images of cells were taken at 0, 12, and 24 hours. According to the DPPH method, parietin exhibited have antioxidant activity. According to the MTT results, parietin exhibited significant proliferation-inducing effect on cell viability in a dose range of 5 to 10 M, and zinc showed significant proliferation-inducing effect on cell viability at dose 50 µM ( P < .05). In addition, the image of cell proliferation was also shown at the same doses at 24 hours. In this study, we claim that parietin induces cell proliferation at low doses in cases of dermal fibroblast loss. In conclusion, parietin as an alternative to zinc in wound healing could be used by clinicians in the future with more extensive studies.
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Affiliation(s)
| | - Koksal Gundogdu
- Erzurum Regional Training and Research Hospital, Erzurum, Turkey
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Massoumi H, Nourmohammadi J, Marvi MS, Moztarzadeh F. Comparative study of the properties of sericin-gelatin nanofibrous wound dressing containing halloysite nanotubes loaded with zinc and copper ions. INT J POLYM MATER PO 2018. [DOI: 10.1080/00914037.2018.1534115] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Hamed Massoumi
- Faculty of New Sciences and Technologies, Department of Life Science Engineering, University of Tehran, Tehran, Iran
| | - Jhamak Nourmohammadi
- Faculty of New Sciences and Technologies, Department of Life Science Engineering, University of Tehran, Tehran, Iran
| | - Mehri Sadat Marvi
- Faculty of New Sciences and Technologies, Department of Life Science Engineering, University of Tehran, Tehran, Iran
| | - Fathollah Moztarzadeh
- Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
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Baltaci AK, Yuce K, Mogulkoc R. Zinc Metabolism and Metallothioneins. Biol Trace Elem Res 2018; 183:22-31. [PMID: 28812260 DOI: 10.1007/s12011-017-1119-7] [Citation(s) in RCA: 91] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 08/02/2017] [Indexed: 12/20/2022]
Abstract
Among the trace elements, zinc is one of the most used elements in biological systems. Zinc is found in the structure of more than 2700 enzymes, including hydrolases, transferases, oxyreductases, ligases, isomerases, and lyases. Not surprisingly, it is present in almost all body cells. Preserving the stability and integrity of biological membranes and ion channels, zinc is also an intracellular regulator and provides structural support to proteins during molecular interactions. It acts as a structural element in nucleic acids or other gene-regulating proteins. Metallothioneins, the low molecular weight protein family rich in cysteine groups, are involved significantly in numerous physiological and pathological processes including particularly oxidative stress. A critical role of metallothioneins (MT) is to bind zinc with high affinity and to serve as an intracellular zinc reservoir. By releasing free intracellular zinc when needed, MTs mediate the unique physiological roles of zinc. MT expression is induced by zinc elevation, and thus, zinc homeostasis is maintained. That MT mediates the effects of zinc, besides having strong radical scavenging effects, points to the critical part it plays in oxidative stress. The present review aims to give information on metallothioneins, which have critical importance in the metabolism and molecular pathways of zinc.
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Affiliation(s)
| | - Kemal Yuce
- Department of Physiology, Medical Faculty, Selcuk University, Konya, Turkey
| | - Rasim Mogulkoc
- Department of Physiology, Medical Faculty, Selcuk University, Konya, Turkey
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24
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Veiga FF, Gadelha MC, da Silva MRT, Costa MI, Kischkel B, de Castro-Hoshino LV, Sato F, Baesso ML, Voidaleski MF, Vasconcellos-Pontello V, Vicente VA, Bruschi ML, Negri M, Svidzinski TIE. Propolis Extract for Onychomycosis Topical Treatment: From Bench to Clinic. Front Microbiol 2018; 9:779. [PMID: 29922236 PMCID: PMC5996904 DOI: 10.3389/fmicb.2018.00779] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 04/05/2018] [Indexed: 12/28/2022] Open
Abstract
Onychomycosis is a chronic fungal infection of nails, commonly caused by dermatophyte fungi, primarily species of Trichophyton. Because of the limited drug arsenal available to treat general fungal infections and the frequent failure of onychomycosis treatment, the search for new therapeutic sources is essential, and topical treatment with natural products for onychomycosis has been encouraged. Propolis, an adhesive resinous compound produced by honeybees (Apis mellifera), has shown multiple biological properties including significant antifungal and anti-biofilm activities in vitro. In spite of promising in vitro results, in vivo results have not been reported so far. This study assessed an ethanol propolis extract (PE) as a topical therapeutic option for onychomycosis, including its characterization in vitro and its applicability as a treatment for onychomycosis (from bench to clinic). The in vitro evaluation included analysis of the cytotoxicity and the antifungal activity against the planktonic cells and biofilm formed by Trichophyton spp. We also evaluated the capacity of PE to penetrate human nails. Patients with onychomycosis received topical PE treatments, with a 6-month follow-up period. The results of the in vitro assays showed that PE was non-toxic to the cell lines tested, and efficient against both the planktonic cells and the biofilm formed by Trichophyton spp. The results also showed that PE is able to penetrate the human nail. The results for PE applied topically to treat onychomycosis were promising, with complete mycological and clinical cure of onychomycosis in 56.25% of the patients. PE is an inexpensive commercially available option, easy to obtain and monitor. Our results indicated that PE is a promising natural compound for onychomycosis treatment, due to its ability to penetrate the nail without cytotoxicity, and its good antifungal performance against species such as Trichophyton spp. that are resistant to conventional antifungals, both in vitro and in patients.
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Affiliation(s)
- Flavia F. Veiga
- Laboratório de Micologia Médica, Departamento de Análises Clínicas e Biomedicina, Universidade Estadual de Maringá, Maringá, Brazil
| | - Marina C. Gadelha
- Laboratório de Micologia Médica, Departamento de Análises Clínicas e Biomedicina, Universidade Estadual de Maringá, Maringá, Brazil
| | - Marielen R. T. da Silva
- Laboratório de Micologia Médica, Departamento de Análises Clínicas e Biomedicina, Universidade Estadual de Maringá, Maringá, Brazil
| | - Maiara I. Costa
- Laboratório de Micologia Médica, Departamento de Análises Clínicas e Biomedicina, Universidade Estadual de Maringá, Maringá, Brazil
| | - Brenda Kischkel
- Laboratório de Micologia Médica, Departamento de Análises Clínicas e Biomedicina, Universidade Estadual de Maringá, Maringá, Brazil
| | | | - Francielle Sato
- Programa de Pós-Graduação em Física, Departamento de Física, Universidade Estadual de Maringá, Maringá, Brazil
| | - Mauro L. Baesso
- Programa de Pós-Graduação em Física, Departamento de Física, Universidade Estadual de Maringá, Maringá, Brazil
| | - Morgana F. Voidaleski
- Microbiology, Parasitology and Pathology Post-Graduation Program, Department of Pathology, Federal University of Paraná, Curitiba, Brazil
| | - Vanessa Vasconcellos-Pontello
- Laboratório de Micologia Médica, Departamento de Análises Clínicas e Biomedicina, Universidade Estadual de Maringá, Maringá, Brazil
| | - Vânia A. Vicente
- Microbiology, Parasitology and Pathology Post-Graduation Program, Department of Pathology, Federal University of Paraná, Curitiba, Brazil
| | - Marcos L. Bruschi
- Laboratory of Research and Development of Drug Delivery Systems, Department of Pharmacy, Universidade Estadual de Maringá, Maringá, Brazil
| | - Melyssa Negri
- Laboratório de Micologia Médica, Departamento de Análises Clínicas e Biomedicina, Universidade Estadual de Maringá, Maringá, Brazil
| | - Terezinha I. E. Svidzinski
- Laboratório de Micologia Médica, Departamento de Análises Clínicas e Biomedicina, Universidade Estadual de Maringá, Maringá, Brazil
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Regueira-Neto MDS, Tintino SR, Rolón M, Coronal C, Vega MC, de Queiroz Balbino V, de Melo Coutinho HD. Antitrypanosomal, antileishmanial and cytotoxic activities of Brazilian red propolis and plant resin of Dalbergia ecastaphyllum (L) Taub. Food Chem Toxicol 2018; 119:215-221. [PMID: 29665415 DOI: 10.1016/j.fct.2018.04.029] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 04/10/2018] [Accepted: 04/13/2018] [Indexed: 12/25/2022]
Abstract
The treatment for leishmaniasis and Chagas disease can be hard and painful, such that many patients give up on the treatment. In order to find an alternative path for the treatment of these diseases, researchers are using natural products to fight these parasites. The aim of this study was to evaluate the antiprotozoan and cytotoxic activities of red propolis samples collected from different Brazilian states and seasons whilst searching for possible activity differences. We also compared the red propolis results with the ones obtained for the plant resin extract collected from Dalbergia ecastaphyllum trees. The hydroethanolic red propolis extracts from Pernambuco and Alagoas, and the D. ecastaphyllum resin were evaluated regarding their antileishmanial, antitrypanosomal and cytotoxic activity. All extracts showed antiprotozoan and cytotoxic activity. RP-PER showed to be more cytotoxic against protozoan parasites and fibroblast cells. All propolis extracts showed a higher cytotoxic activity when compared to resin extracts. The propolis sample collected in Pernambuco during the rainy season killed the parasites with lower concentrations than the sample collected in the dry season. The IC50 observed against the parasites could be used without high fibroblast cell damage.
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Affiliation(s)
| | - Saulo Relison Tintino
- Laboratório de Microbiologia e Biologia Molecular, Centro de Ciências Biológicas e Saúde, Universidade Regional do Cariri, Brazil
| | - Miriam Rolón
- Centro para el Dessarollo de la Investigación Cientifica (CEDIC), Fundacion Moisés Bertoni/Labortórios Díaz Gill, Asunción, Paraguay
| | - Cathia Coronal
- Centro para el Dessarollo de la Investigación Cientifica (CEDIC), Fundacion Moisés Bertoni/Labortórios Díaz Gill, Asunción, Paraguay
| | - Maria C Vega
- Centro para el Dessarollo de la Investigación Cientifica (CEDIC), Fundacion Moisés Bertoni/Labortórios Díaz Gill, Asunción, Paraguay
| | - Valdir de Queiroz Balbino
- Laboratório de Bioinformática e Biologia Evolutiva, Departamento de Genética, Centro de Biociências, UFPE, Brazil
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Nunes R, Pasko P, Tyszka-Czochara M, Szewczyk A, Szlosarczyk M, Carvalho IS. Antibacterial, antioxidant and anti-proliferative properties and zinc content of five south Portugal herbs. PHARMACEUTICAL BIOLOGY 2017; 55:114-123. [PMID: 27925492 PMCID: PMC7011791 DOI: 10.1080/13880209.2016.1230636] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
CONTEXT Crataegus monogyna L. (Rosaceae) (CM), Equisetum telmateia L. (Equisataceae) (ET), Geranium purpureum Vil. (Geraniaceae) (GP), Mentha suaveolens Ehrh. (Lamiaceae) (MS), and Lavandula stoechas L. spp. luisieri (Lamiaceae) (LS) are all medicinal. OBJECTIVE To evaluate the antioxidant, antiproliferative and antimicrobial activities of plant extracts and quantify individual phenolics and zinc. MATERIAL AND METHODS Aerial part extracts were prepared with water (W), ethanol (E) and an 80% mixture (80EW). Antioxidant activity was measured with TAA, FRAP and RP methods. Phenolics were quantified with a HPLC. Zinc was quantified using voltammetry. Antibacterial activity (after 48 h) was tested using Enterococcus faecalis, Bacillus cereus, Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa and Listeria monocytogenes. Antiproliferative activity (after 24 h) was tested using HEP G2 cells and fibroblasts. RESULTS Solvents influenced results; the best were E and 80EW. GP had the highest antioxidant activity (TAA and FRAP of 536.90 mg AAE/g dw and 783.48 mg TE/g dw, respectively). CM had the highest zinc concentration (37.21 mg/kg) and phenolic variety, with neochlorogenic acid as the most abundant (92.91 mg/100 g dw). LS was rich in rosmarinic acid (301.71 mg/100 g dw). GP and LS inhibited the most microorganisms: B. cereus, E. coli and S. aureus. GP also inhibited E. faecalis. CM had the lowest MIC: 5830 μg/mL. The antibacterial activity is explained by the phenolics present. LS and CM showed the most significant anti-proliferative activity, which is explained by their zinc content. CONCLUSION The most promising plants for further studies are CM, LS and GP.
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Affiliation(s)
- Ricardo Nunes
- MeditBio, Faculty of Sciences and Technology, University of Algarve, Campus de Gambelas, Faro, Portugal
| | - Pawel Pasko
- Department of Food Chemistry and Nutrition, Medical College, Jagiellonian University, Krakow, Poland
- Department of Clinical Science, Faculty of Health and Medical Science, Andrzej Frycz-Modrzewski Krakow University, Poland
| | - Malgorzata Tyszka-Czochara
- Radioligand Laboratory, Department of Pharmacobiology, Medical College, Jagiellonian University, Krakow, Poland
| | - Agnieszka Szewczyk
- Department of Pharmaceutical Botany, Medical College, Jagiellonian University, Krakow, Poland
| | - Marek Szlosarczyk
- Department of Inorganic and Analytical Chemistry, Medical College, Jagiellonian University, Krakow, Poland
| | - Isabel S. Carvalho
- MeditBio, Faculty of Sciences and Technology, University of Algarve, Campus de Gambelas, Faro, Portugal
- CONTACT Isabel S. CarvalhoFood Science Laboratory, Faculty of Sciences and Technology, University of Algarve, Campus Gambelas, Building 8 8005-139 Faro, Portugal
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Zhang L, Zhang J, Dai F, Han Y. Cytocompatibility and antibacterial activity of nanostructured H 2Ti 5O 11·H 2O outlayered Zn-doped TiO 2 coatings on Ti for percutaneous implants. Sci Rep 2017; 7:13951. [PMID: 29066726 PMCID: PMC5654996 DOI: 10.1038/s41598-017-13954-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 10/02/2017] [Indexed: 12/17/2022] Open
Abstract
To improve skin-integration and antibacterial activity of percutaneous implants, the coatings comprising an outer layer of H2Ti5O11·H2O (HTO) nanoarrays and an inner layer of microporous Zn-doped TiO2 were fabricated on Ti by micro-arc oxidation (MAO) followed with hydrothermal treatment (HT). During HT process, a large proportion of Zn2+ migrated out from TiO2 layer. TiO2 reacted with OH- and H2O, resulting in the nucleation of HTO. The nuclei grew to nanoplates, nanorods and nanofibres with HT process prolonged. Simultaneously, the orientation of nanoarrays changed from quasi-vertical to parallel to substrate. Compared to Ti, adhesion and proliferation of fibroblasts were enhanced on as-MAOed TiO2 and HTed coatings. The phenotype, differentiation and extracellular collagen secretion were obviously accelerated on vertical nanorods with proper interspace (e.g. 63 nm). HTed coatings showed enhanced antibacterial activity, which should be ascribed to the nano-topography of HTO.
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Affiliation(s)
- Lan Zhang
- State-key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Juan Zhang
- State-key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Fang Dai
- State-key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yong Han
- State-key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China.
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Tyszka-Czochara M, Bukowska-Strakova K, Majka M. Metformin and caffeic acid regulate metabolic reprogramming in human cervical carcinoma SiHa/HTB-35 cells and augment anticancer activity of Cisplatin via cell cycle regulation. Food Chem Toxicol 2017; 106:260-272. [PMID: 28576465 DOI: 10.1016/j.fct.2017.05.065] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 05/25/2017] [Accepted: 05/28/2017] [Indexed: 12/25/2022]
Abstract
Metformin shows benefits in anticancer prevention in humans. In this study, normal human fibroblasts (FB) and metastatic cervical cancer cells (SiHa) were exposed to 10 mM Metformin (Met), 100 μM Caffeic Acid (trans-3,4-dihydroxycinnamic acid, CA) or combination of the compounds. Both drugs were selectively toxic towards cancer cells, but neither Met nor CA treatment suppressed growth of normal cells. Met and CA regulated metabolic reprogramming in SiHa tumor cells through different mechanisms: Met suppressed regulatory enzymes Glurtaminase (GLS) and Malic Enzyme 1 (ME1) and enhanced pyruvate oxidation via tricarboxylic acids (TCA) cycle, while CA acted as glycolytic inhibitor. Met/CA treatment impaired expression of Sterol Regulatory Element-Binding Protein 1 (SREBP1c) which resulted in alleviation of de novo synthesis of unsaturated fatty acid. The toxic action of CisPt was supported by Met and CA not only in tumor cells, but also during co-culture of SiHa GFP+ cells with fibroblasts. Furthermore, Met and CA augmented Cisplatin (CisPt) action against quiescent tumor cells involving reprogramming of cell cycle. Our findings provide new insights into specific targeting of mitochondrial metabolism in neoplastic cells and into designing new cisplatin-based selective strategies for treating cervical cancer in humans with regard to the role of tumor microenvironment.
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Affiliation(s)
- Malgorzata Tyszka-Czochara
- Department of Radioligands, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland.
| | - Karolina Bukowska-Strakova
- Department of Clinical Immunology, Institute of Pediatrics, Jagiellonian University Medical College, Wielicka 265, 30-663 Krakow, Poland.
| | - Marcin Majka
- Department of Transplantation, Faculty of Medicine, Jagiellonian University Medical College, Wielicka 258, 30-688 Krakow, Poland.
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29
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Pierini GD, Pinto VHA, Maia CGC, Fragoso WD, Reboucas JS, Centurión ME, Pistonesi MF, Di Nezio MS. A porphyrin-based fluorescence method for zinc determination in commercial propolis extracts without sample pretreatment. LUMINESCENCE 2017; 32:1227-1232. [PMID: 28512775 DOI: 10.1002/bio.3315] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 02/13/2017] [Accepted: 02/17/2017] [Indexed: 11/09/2022]
Abstract
The quantification of zinc in over-the-counter drugs as commercial propolis extracts by molecular fluorescence technique using meso-tetrakis(4-carboxyphenyl)porphyrin (H2 TCPP4 ) was developed for the first time. The calibration curve is linear from 6.60 to 100 nmol L-1 of Zn2+ . The detection and quantification limits were 6.22 nmol L-1 and 19.0 nmol L-1 , respectively. The reproducibility and repeatability calculated as the percentage variation of slopes of seven calibration curves were 6.75% and 4.61%, respectively. Commercial propolis extract samples from four Brazilian states were analyzed and the results (0.329-0.797 mg/100 mL) obtained with this method are in good agreement with that obtained with the Atomic Absorption Spectroscopy (AAS) technique. The method is simple, fast, of low cost and allows the analysis of the samples without pretreatment. Moreover the major advantage is that Zn-porphyrin complex presents fluorescent characteristic promoting the selectivity and sensitivity of the method.
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Affiliation(s)
- Gastón Darío Pierini
- INQUISUR, Departamento de Química, Universidad Nacional del Sur (UNS)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bahía Blanca, Argentina
| | | | - Clarissa G C Maia
- Departamento de Química, CCEN, Universidade Federal da Paraíba, Brazil
| | - Wallace D Fragoso
- Departamento de Química, CCEN, Universidade Federal da Paraíba, Brazil
| | - Julio S Reboucas
- Departamento de Química, CCEN, Universidade Federal da Paraíba, Brazil
| | - María Eugenia Centurión
- INQUISUR, Departamento de Química, Universidad Nacional del Sur (UNS)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bahía Blanca, Argentina
| | - Marcelo Fabián Pistonesi
- INQUISUR, Departamento de Química, Universidad Nacional del Sur (UNS)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bahía Blanca, Argentina
| | - María Susana Di Nezio
- INQUISUR, Departamento de Química, Universidad Nacional del Sur (UNS)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bahía Blanca, Argentina
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30
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The role of zinc deficiency-induced changes in the phospholipid-protein balance of blood serum in animal depression model by Raman, FTIR and UV–vis spectroscopy. Biomed Pharmacother 2017; 89:549-558. [DOI: 10.1016/j.biopha.2017.01.180] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 01/14/2017] [Accepted: 01/23/2017] [Indexed: 02/04/2023] Open
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Makowska-Wąs J, Galanty A, Gdula-Argasińska J, Tyszka-Czochara M, Szewczyk A, Nunes R, Carvalho IS, Michalik M, Paśko P. Identification of Predominant Phytochemical Compounds and Cytotoxic Activity of Wild Olive Leaves (Olea europaea L. ssp. sylvestris) Harvested in South Portugal. Chem Biodivers 2017; 14. [PMID: 27981754 DOI: 10.1002/cbdv.201600331] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2016] [Accepted: 12/11/2016] [Indexed: 01/18/2023]
Abstract
This study has been aimed at providing a qualitative and quantitative evaluation of selected phytochemicals such as phenolic acids, flavonoids, oleuropein, fatty acids profile, and volatile oil compounds, present in wild olive leaves harvested in Portugal, as well as at determining their antioxidant and cytotoxic potential against human melanoma HTB-140 and WM793, prostate cancer DU-145 and PC-3, hepatocellular carcinoma Hep G2 cell lines, as well as normal human skin fibroblasts BJ and prostate epithelial cells PNT2. Gallic, protocatechuic, p-hydroxybenzoic, vanillic acids, apigenin 7-O-glucoside, luteolin 7-O-glucoside, and rutin were identified in olive leaves. The amount of oleuropein was equal to 22.64 g/kg dry weight. (E)-Anethole (32.35%), fenchone (11.89%), and (Z)-3-nonen-1-ol (8%) were found to be the main constituents of the oil volatile fraction, whereas palmitic, oleic, and alpha-linolenic acid were determined to be dominating fatty acids. Olive leaves methanol extract was observed to exerted a significant, selective cytotoxic effect on DU-145 and PC-3 cell lines. Except the essential oil composition, evaluated wild olive leaves, with regard to their quantitative and qualitative composition, do not substantially differ from the leaves of other cultivars grown for industrial purposes and they reveal considerable antioxidant and cytotoxic properties. Thus, the wild species may prove to be suitable for use in traditional medicine as cancer chemoprevention.
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Affiliation(s)
- Justyna Makowska-Wąs
- Department of Pharmacognosy, Medical College, Jagiellonian University, Medyczna 9, PL-30-688, Cracow
| | - Agnieszka Galanty
- Department of Pharmacognosy, Medical College, Jagiellonian University, Medyczna 9, PL-30-688, Cracow
| | - Joanna Gdula-Argasińska
- Department of Radioligands, Medical College, Jagiellonian University, Medyczna 9, PL-30-688, Cracow
| | | | - Agnieszka Szewczyk
- Department of Pharmaceutical Botany, Medical College, Jagiellonian University, Medyczna 9, PL-30-688, Cracow
| | - Ricardo Nunes
- MeditBio, Faculty of Sciences and Technology - University of Algarve, Campus de Gambelas, PT-8005-139, Faro
| | - Isabel S Carvalho
- MeditBio, Faculty of Sciences and Technology - University of Algarve, Campus de Gambelas, PT-8005-139, Faro
| | - Marta Michalik
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, PL-30-387, Cracow
| | - Paweł Paśko
- Department of Food Chemistry and Nutrition, Medical College, Jagiellonian University, Medyczna 9, PL-30-688, Cracow
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Eslami H, Motahari P, Safari E, Seyyedi M. Evaluation effect of low level Helium-Neon laser and Iranian propolis extract on Collagen Type I gene expression by human gingival fibroblasts: an in vitro study. Laser Ther 2017; 26:105-112. [PMID: 28785130 DOI: 10.5978/islsm.17-or-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 01/27/2017] [Indexed: 11/06/2022]
Abstract
BACK GROUND AND AIM production of collagen by fibroblast cells is a key component in wound healing. Several studies have shown that low level laser therapy (LLLT) and propolis extract stimulate collagen Type I production. The aim of this study is to evaluation the combined effect of LLL helium neon (632.8 nm) and Iranian propolis extract on collagen Type I gene expression by human gingival fibroblasts (HGF3-PI 53). METHODS AND MATERIALS Human gingival fibroblasts after culturing divided into six experimental groups: G1-control group, which received no irradiation and propolis extract, G2-irradiated at1.5 J/cm2, G3-irradiated at 0.15 J/cm2, G4-recived extract of propolis, G5- combined extract of propolis and 1.5 J/cm2 laser irradiation and G6- combined extract of propolis and 0.15 J/cm2 laser irradiation. The experiments were conducted in triplicate. After 24 hour, the total RNA was extracted and cDNA synthesis was performed. Type I collagen mRNA expression was determined with real time PCR. RESULTS The obtained results illustrated a statistically significant difference between G3 (0.15 J/cm2) and G1 (control group) in levels of collagen Type I messenger RNA (mRNA) expression (p<0.05). The irradiated cells showed a 1.4 times increase in mRNA expression of the collagen Type I gene. Expression of this gene decreases in other groups that this difference was statistically significant. CONCLUSION LLLT in different dosage and propolis extract may result in decreased or increased collagen type I gene expression. However this effect should be investigated in clinical studies.
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Affiliation(s)
- Hosein Eslami
- Assistant Professor , Department of Oral Medicine, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, IR Iran
| | - Paria Motahari
- Post graduate student. Department of Oral Medicine, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, IR Iran
| | - Ebrahim Safari
- Associate Professor of Physic, Department of atomic and molecular Physics, Faculty of physics university of Tabriz, IR Iran
| | - Maryam Seyyedi
- PhD student of microbiology, tuberculosis and lung disease research center, Tabriz University of medical science, Tabriz, Iran
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Tyszka-Czochara M, Pasko P, Zagrodzki P, Gajdzik E, Wietecha-Posluszny R, Gorinstein S. Selenium Supplementation of Amaranth Sprouts Influences Betacyanin Content and Improves Anti-Inflammatory Properties via NFκB in Murine RAW 264.7 Macrophages. Biol Trace Elem Res 2016; 169:320-30. [PMID: 26162623 PMCID: PMC4717175 DOI: 10.1007/s12011-015-0429-x] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Accepted: 06/26/2015] [Indexed: 01/12/2023]
Abstract
Sprouts contain potent compounds which while influencing crucial transduction pathways in cell reveal anti-inflammatory and anticancer activities. In this study, we report the biological activity for seeds and colourful sprouts of four types of edible amaranth, as amaranth has recently attracted interest due to its appreciable nutritional value. MTT assay conducted for the amaranth seeds and sprouts did not show any adverse effect on the viability of murine RAW 264.7 cells. As amaranth accumulates selenium, the sprouts were supplemented with this trace element (10 mg/L; 15 mg/L Se as sodium selenite) while growing. Selenium concentration in sprouts was observed to be significantly correlated with betacyanins content of the tested species. The amounts of Se and betacyanins in sprouts varied for various Amaranth species. In the present study, Amaranthus cruentus sprouts with the highest betacyanins (19.30 ± 0.57-28.85 ± 2.23 mg of amaranthin/100 g of fresh weight) and high total selenium (22.51 ± 1.57-1044.75 ± 73.08 μg/L in methanol extracts) content prevented NFκB translocation to the cell nucleus and subsequently exerted an anti-inflammatory effect by significant decreasing inflammatory interleukin 6 production (587.3 ± 34.2-710.0 ± 88.1 pg/mL) in the cell culture of activated RAW 264.7 macrophages (vs LPS control 1520 ± 114 pg/mL).
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Affiliation(s)
| | - Pawel Pasko
- Department of Food Chemistry and Nutrition, Medical College, Jagiellonian University, Medyczna 9, 30-688, Krakow, Poland.
- Faculty of Health and Medical Science, Andrzej Frycz Modrzewski Krakow University, Krakow, Poland.
| | - Pawel Zagrodzki
- Department of Food Chemistry and Nutrition, Medical College, Jagiellonian University, Medyczna 9, 30-688, Krakow, Poland
- Department of Nuclear Physical Chemistry, Institute of Nuclear Physics, Krakow, Poland
| | - Ewelina Gajdzik
- Department of Food Chemistry and Nutrition, Medical College, Jagiellonian University, Medyczna 9, 30-688, Krakow, Poland
| | | | - Shela Gorinstein
- The Institute for Drug Research, School of Pharmacy, The Hebrew University, Hadassah Medical School, Jerusalem, Israel
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34
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Adach A, Daszkiewicz M, Tyszka-Czochara M. A family of complexes with N-scorpionate-type and other N-donor ligands obtained in situ from pyrazole derivative and zerovalent cobalt. Physicochemical and cytotoxicity studies. RSC Adv 2016. [DOI: 10.1039/c6ra06439f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
In this paper we described one pot synthetic pathways which generated in situ three complexes which contain three different ligands: N,N,N-tris(3,5-dimethylpyrazolylmethyl)amine (L1), urotropine (L2) and 3,5-dimethylpyrazole (L3).
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Affiliation(s)
- A. Adach
- Institute of Chemistry
- Jan Kochanowski University of Kielce
- 25-406 Kielce
- Poland
| | - M. Daszkiewicz
- Institute of Low Temperature and Structure Research
- Polish Academy of Sciences
- 50-950 Wrocław
- Poland
| | - M. Tyszka-Czochara
- Department of Radioligands
- Faculty of Pharmacy
- Jagiellonian University Medical College
- 30-688 Kraków
- Poland
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35
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Zillich OV, Schweiggert-Weisz U, Eisner P, Kerscher M. Polyphenols as active ingredients for cosmetic products. Int J Cosmet Sci 2015; 37:455-64. [PMID: 25712493 DOI: 10.1111/ics.12218] [Citation(s) in RCA: 155] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Accepted: 02/07/2015] [Indexed: 01/11/2023]
Abstract
Polyphenols are secondary plant metabolites with antioxidant, anti-inflammatory and anti-microbial activity. They are ubiquitously distributed in the plant kingdom; high amounts contain, for example, green tea and grape seeds. Polyphenolic extracts are attractive ingredients for cosmetics and pharmacy due to their beneficial biological properties. This review summarizes the effects of polyphenols in the context of anti-ageing activity. We have explored in vitro studies, which investigate antioxidant activity, inhibition of dermal proteases and photoprotective activity, mostly studied using dermal fibroblasts or epidermal keratinocytes cell lines. Possible negative effects of polyphenols were also discussed. Further, some physicochemical aspects, namely the possible interactions with emulsifiers and the influence of the cosmetic formulation on the skin delivery, were reported. Finally, few clinical studies, which cover the anti-ageing action of polyphenols on the skin after topical application, were reviewed.
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Affiliation(s)
- O V Zillich
- Fraunhofer Institute for Process Engineering and Packaging, Giggenhauser Str. 35, D-85354, Freising, Germany.,Department of Chemistry, Institute for Biochemistry and Molecular Biology, University of Hamburg, Papendamm 21, 20146, Hamburg, Germany
| | - U Schweiggert-Weisz
- Fraunhofer Institute for Process Engineering and Packaging, Giggenhauser Str. 35, D-85354, Freising, Germany
| | - P Eisner
- Fraunhofer Institute for Process Engineering and Packaging, Giggenhauser Str. 35, D-85354, Freising, Germany
| | - M Kerscher
- Department of Chemistry, Institute for Biochemistry and Molecular Biology, University of Hamburg, Papendamm 21, 20146, Hamburg, Germany
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36
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Adach A, Daszkiewicz M, Tyszka-Czochara M, Barszcz B. New oxovanadium(iv) complexes with pincer ligand obtained in situ: experimental and theoretical studies on the structure, spectroscopic properties and antitumour activity. RSC Adv 2015. [DOI: 10.1039/c5ra12561h] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Experimental and theoretical studies on the structure and spectroscopic properties of two complexes: [VOL1(NCS)2] (1) and [VOL1(NCS)2]·C6H5CH3 (2) where L1-N,N-bis(3,5-dimethylpyrazol-1-ylmethyl)amine have been reported.
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Affiliation(s)
- Anna Adach
- Institute of Chemistry
- Jan Kochanowski University
- 25-406 Kielce
- Poland
| | - Marek Daszkiewicz
- Institute of Low Temperature and Structure Research
- Polish Academy of Sciences
- 50-950 Wrocław
- Poland
| | | | - Bolesław Barszcz
- Institute of Molecular Physics
- Polish Academy of Sciences
- 60-179 Poznań
- Poland
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