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Wu J, Huang M, Liu H, Wu Y, Hu X, Wang J, Wang X. Engineering Escherichia coli to Efficiently Produce Colanic Acid with Low Molecular Mass and Viscosity. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:15811-15822. [PMID: 38975865 DOI: 10.1021/acs.jafc.4c03187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/09/2024]
Abstract
Colanic acid (CA) is exopolysaccharide that presents growing potential in the food and healthcare industry as a versatile polymer. Previously, we have constructed the Escherichia coli strain WWM16 which can efficiently produce CA. In this study, WWM16 has been further engineered to produce a higher yield of CA with low molecular mass and viscosity. The gene mcbR encoding a transcriptional factor, and the genes opgD, opgG, and opgH related to the biosynthesis of osmoregulated periplasmic glucans were deleted in E. coli WWM16, and the resulting strain WWM166 produced 18.1 g/L CA. The expression level of wcaD encoding the polymerase in WWM166 was downregulated using CRISPRi. As a result, the strain WWM166/pWpD1 could produce 49.9 g/L CA with lower molecular mass. CA products were purified from both WWM166 and WWM166/pWpD1, and their molecular mass, viscosity, fluidity, hygroscopicity, and antioxidant activity were determined and compared. These findings demonstrate the potential application of CA with different molecular masses to prolong life and protect skin in the food and cosmetic industries.
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Affiliation(s)
- Jiaxin Wu
- School of Biotechnology and Key Laboratory of Industrial Biotechnology of Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Ming Huang
- School of Biotechnology and Key Laboratory of Industrial Biotechnology of Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - He Liu
- School of Biotechnology and Key Laboratory of Industrial Biotechnology of Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Yuanming Wu
- School of Biotechnology and Key Laboratory of Industrial Biotechnology of Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Xiaoqing Hu
- School of Biotechnology and Key Laboratory of Industrial Biotechnology of Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Jianli Wang
- School of Biotechnology and Key Laboratory of Industrial Biotechnology of Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Xiaoyuan Wang
- School of Biotechnology and Key Laboratory of Industrial Biotechnology of Ministry of Education, Jiangnan University, Wuxi 214122, China
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2
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Borges JC, de Almeida Campos LA, Kretzschmar EAM, Cavalcanti IMF. Incorporation of essential oils in polymeric films for biomedical applications. Int J Biol Macromol 2024; 269:132108. [PMID: 38710258 DOI: 10.1016/j.ijbiomac.2024.132108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 04/18/2024] [Accepted: 05/03/2024] [Indexed: 05/08/2024]
Abstract
Natural and synthetic biodegradable polymers are widely used to obtain more sustainable films with biological, physicochemical, and mechanical properties for biomedical purposes. The incorporation of essential oils (EOs) in polymeric films can optimize the biological activities of these EOs, protect them from degradation, and serve as a prototype for new biotechnological products. This article aims to discuss updates over the last 10 years on incorporating EOs into natural and synthetic biodegradable polymer films for biomedical applications. Chitosan, alginates, cellulose, and proteins such as gelatine, silk, and zein are among the natural polymers most commonly used to prepare biodegradable films for release EOs. In addition to these, the most cited synthetic biodegradable polymers are poly(L-lactide) (PLA), poly(vinyl alcohol) (PVA), and poly(ε-caprolactone) (PCL). The EOs of clove, cinnamon, tea tree, eucalyptus, frankincense, lavender, thyme and oregano incorporated into polymeric films have been the most studied EOs in recent years in the biomedical field. Biomedical applications include antimicrobial activity against pathogenic bacteria and fungi, anticancer activity, potential for tissue engineering and regeneration with scaffolds and wound healing as dressings. Thus, this article reports on the importance of incorporating EOs into biodegradable polymer films, making these systems especially attractive for various biomedical applications.
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Affiliation(s)
- Joyce Cordeiro Borges
- Federal University of Pernambuco (UFPE), Keizo Asami Institute (iLIKA), Recife, Pernambuco, Brazil
| | | | | | - Isabella Macário Ferro Cavalcanti
- Federal University of Pernambuco (UFPE), Keizo Asami Institute (iLIKA), Recife, Pernambuco, Brazil; Federal University of Pernambuco (UFPE), Laboratory of Microbiology and Immunology, Academic Center of Vitória (CAV), Vitória de Santo Antão, Pernambuco, Brazil.
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Pontes ER, de Souza Guedes L, da Silva TF, Barbosa FCB, de Souza BWS, de Freitas Rosa M, Vieira RS, Andrade FK. Development of silanized bacterial cellulose aerogels for the incorporation of natural oils with healing properties: Copaiba (Copaifera officinalis), bourbon geranium (Pelargonium X ssp.) essential oils and buriti (Mauritia flexuosa) vegetable oil. Int J Biol Macromol 2024; 269:132266. [PMID: 38777689 DOI: 10.1016/j.ijbiomac.2024.132266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 04/30/2024] [Accepted: 05/08/2024] [Indexed: 05/25/2024]
Abstract
Bacterial cellulose (BC) represents a promising biomaterial, due to its unique and versatile properties. We report, herein, on purposely-designed structural modifications of BC that enhance its application as a wound dressing material. Chemical modification of the functional groups of BC was performed initially to introduce a hydrophobic/oleophilic character to its surface. Specifically, silanization was carried out in an aqueous medium using methyltrimethoxisilane (MTMS) as the silanizing agent, and aerogels were subsequently prepared by freeze-drying. The BC-MTMS aerogel obtained displayed a highly porous (99 %) and lightweight structure with an oil absorption capacity of up to 52 times its dry weight. The XRD pattern indicated that the characteristic crystallographic planes of the native BC were maintained after the silanization process. Thermal analysis showed that the thermal stability of the BC-MTMS aerogel increased, as compared to the pure BC aerogel (pBC). Moreover, the BC-MTMS aerogel was not cytotoxic to fibroblasts and keratinocytes. In the second step of the study, the incorporation of natural oils into the aerogel's matrix was found to endow antimicrobial and/or healing properties to BC-MTMS. Bourbon geranium (Pelargonium X ssp.) essential oil (GEO) was the only oil that exhibited antimicrobial activity against the tested microorganisms, whereas buriti (Mauritia flexuosa) vegetable oil (BVO) was non-cytotoxic to the cells. This study demonstrates that the characteristics of the BC structure can be modified, while preserving its intrinsic features, offering new possibilities for the development of BC-derived materials for specific applications in the biomedical field.
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Affiliation(s)
- Evellheyn Rebouças Pontes
- Department of Chemical Engineering, Research Laboratory of Biomaterials and Bioproducts, Federal University of Ceará, Fortaleza, Ceará 60455-760, Brazil
| | - Luciana de Souza Guedes
- Department of Chemical Engineering, Research Laboratory of Biomaterials and Bioproducts, Federal University of Ceará, Fortaleza, Ceará 60455-760, Brazil
| | - Thamyres Freire da Silva
- Department of Chemical Engineering, Research Laboratory of Biomaterials and Bioproducts, Federal University of Ceará, Fortaleza, Ceará 60455-760, Brazil
| | | | | | | | - Rodrigo Silveira Vieira
- Department of Chemical Engineering, Research Laboratory of Biomaterials and Bioproducts, Federal University of Ceará, Fortaleza, Ceará 60455-760, Brazil.
| | - Fábia Karine Andrade
- Department of Chemical Engineering, Research Laboratory of Biomaterials and Bioproducts, Federal University of Ceará, Fortaleza, Ceará 60455-760, Brazil.
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Majeed I, Rizwan K, Ashar A, Rasheed T, Amarowicz R, Kausar H, Zia-Ul-Haq M, Marceanu LG. A Comprehensive Review of the Ethnotraditional Uses and Biological and Pharmacological Potential of the Genus Mimosa. Int J Mol Sci 2021; 22:ijms22147463. [PMID: 34299082 PMCID: PMC8307580 DOI: 10.3390/ijms22147463] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/04/2021] [Accepted: 07/07/2021] [Indexed: 02/01/2023] Open
Abstract
The Mimosa genus belongs to the Fabaceae family of legumes and consists of about 400 species distributed all over the world. The growth forms of plants belonging to the Mimosa genus range from herbs to trees. Several species of this genus play important roles in folk medicine. In this review, we aimed to present the current knowledge of the ethnogeographical distribution, ethnotraditional uses, nutritional values, pharmaceutical potential, and toxicity of the genus Mimosa to facilitate the exploitation of its therapeutic potential for the treatment of human ailments. The present paper consists of a systematic overview of the scientific literature relating to the genus Mimosa published between 1931 and 2020, which was achieved by consulting various databases (Science Direct, Francis and Taylor, Scopus, Google Scholar, PubMed, SciELO, Web of Science, SciFinder, Wiley, Springer, Google, The Plant Database). More than 160 research articles were included in this review regarding the Mimosa genus. Mimosa species are nutritionally very important and several species are used as feed for different varieties of chickens. Studies regarding their biological potential have shown that species of the Mimosa genus have promising pharmacological properties, including antimicrobial, antioxidant, anticancer, antidiabetic, wound-healing, hypolipidemic, anti-inflammatory, hepatoprotective, antinociceptive, antiepileptic, neuropharmacological, toxicological, antiallergic, antihyperurisemic, larvicidal, antiparasitic, molluscicidal, antimutagenic, genotoxic, teratogenic, antispasmolytic, antiviral, and antivenom activities. The findings regarding the genus Mimosa suggest that this genus could be the future of the medicinal industry for the treatment of various diseases, although in the future more research should be carried out to explore its ethnopharmacological, toxicological, and nutritional attributes.
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Affiliation(s)
- Ismat Majeed
- Department of Chemistry, Government College Women University, Faisalabad 38000, Pakistan; (I.M.); (A.A.)
| | - Komal Rizwan
- Department of Chemistry, University of Sahiwal, Sahiwal 57000, Pakistan;
| | - Ambreen Ashar
- Department of Chemistry, Government College Women University, Faisalabad 38000, Pakistan; (I.M.); (A.A.)
| | - Tahir Rasheed
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
| | - Ryszard Amarowicz
- Department of Chemical and Physical Properties of Food, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima Street 10, 10-748 Olsztyn, Poland
- Correspondence: ; Tel.: +48-89-523-4627
| | - Humaira Kausar
- Department of Chemistry, Lahore College for Women University, Lahore 54000, Pakistan;
| | - Muhammad Zia-Ul-Haq
- Office of Research, Innovation & Commercialization, Lahore College for Women University, Lahore 54000, Pakistan;
| | - Luigi Geo Marceanu
- Faculty of Medicine, Transilvania University of Brasov, 500019 Brasov, Romania;
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Ferreira TL, Evangelista AJJ. Mimosa tenuiflora's antimicrobial activity on bacteria and fungi from medical importance: an integrative review. Arch Microbiol 2021; 203:3399-3406. [PMID: 33885936 DOI: 10.1007/s00203-021-02330-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 02/20/2021] [Accepted: 04/10/2021] [Indexed: 11/25/2022]
Abstract
The misuse of antimicrobials has led to the appearance of several multi-resistant pathogens and, as a result, it has been necessary to search for new compounds that are effective against these microorganisms. Faced with this scenario, one of the forms that has been arousing the interest of scholars is the obtaining of antimicrobial compounds from medicinal plants, since, through them, effective compounds are usually obtained against pathogens and with low toxicity to humans and animals. In Brazilian Caatinga, there are several medicinal plants with antimicrobial properties, and one of them is Mimosa tenuiflora (Willd.) Poir., also known as Jurema Preta, popularly used to treat comorbidities that affect mainly the skin. In view of this, to investigate its antimicrobial potential, a bibliographical survey of experimental articles, published in the last 10 years, which analyzed the antimicrobial activity of M. tenuiflora in bacteria and fungi of importance, was made. Thus, it was possible to observe that the extracts obtained from M. tenuiflora showed in vitro antimicrobial activity. In addition, the compounds flavonoids and tannins are likely to be the main responsible for Mimosa tenuiflora's antimicrobial activity. Thus, M. tenuiflora presents a high study potential in microbial growth control.
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Affiliation(s)
- Thaís L Ferreira
- Faculty of Biomedicine, Christus University Center - UNICHRISTUS, Ceara, Brazil.
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Qureshi D, Behera KP, Mohanty D, Mahapatra SK, Verma S, Sukyai P, Banerjee I, Pal SK, Mohanty B, Kim D, Pal K. Synthesis of novel poly (vinyl alcohol)/tamarind gum/bentonite-based composite films for drug delivery applications. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.126043] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Chitosan Film Containing Mansoa hirsuta Fraction for Wound Healing. Pharmaceutics 2020; 12:pharmaceutics12060484. [PMID: 32471195 PMCID: PMC7356783 DOI: 10.3390/pharmaceutics12060484] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 05/20/2020] [Accepted: 05/22/2020] [Indexed: 12/16/2022] Open
Abstract
Chitosan films entrapped with the Mansoa hirsuta fraction (CMHF) was developed as a new dressing for wound care. The chromatographic profile of the M. hirsuta fraction (MHF) was evaluated by ultra-high-performance liquid chromatography-quadrupole time-of-flight mass spectrometry, and the results showed that MHF is rich in acid triterpenes. Physicochemical characterization of the films prepared using the solvent casting method was performed by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), thermogravimetry (TGA), differential scanning calorimetry (DCS), scanning electron microscopy (SEM), atomic force microscopy (AFM), and mechanical properties. CMHF exhibited characteristic bands of both chitosan and MHF, revealing a physical mixture of both. CMHF presented an amorphous nature, thermostability, and dispersion of MHF in the chitosan matrix, resulting in a rough structure. Incorporation of M. hirsuta fraction into chitosan matrix favorably enhanced the mechanical performance and films thickness. The in vivo wound treatment with CMHF for seven days showed a characteristic area of advanced healing, re-epithelization, cell proliferation, and collagen formation. Furthermore, wound closure reached 100% contraction after 10 days of treatment with modulation of interleukins. The incorporation of M. hirsuta fraction into chitosan films was advantageous and showed great potential for stimulating wound repair and regeneration.
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Sandhya J, Veeralakshmi S, Kalaiselvam S. Tripolyphosphate crosslinked Triticum aestivum (wheatgrass) functionalized antimicrobial chitosan: Ameliorating effect on physicochemical, mechanical, invitro cytocompatibility and cell migration properties. J Biomol Struct Dyn 2020; 39:1635-1644. [PMID: 32107986 DOI: 10.1080/07391102.2020.1736160] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Polymeric films for various biomedical applications require to be biocompatible and non- toxic. Chemical route of modifications for functionalization of the films for improved properties lead to undesirable effects for biological applications. Hence a natural way to enhancing their properties is by functionalizing them using plant extracts. This report investigates the synthesis of bioactive phytochemical loaded polymer using Triticum aestivum (wheatgrass) extract incorporated in tripolyphosphate crosslinked chitosan. Physical and mechanical properties of the extract functionalized crosslinked chitosan were analyzed and this showed significant changes in thickness, tensile strength and % elongation of the blend. The extract functionalized chitosan was characterized using Fourier transform infrared spectroscopy (FT-IR), Scanning electron microscopy (SEM) and Energy dispersive spectroscopy (EDAX) confirming the interaction between the functional moieties of the extract and polymer. Antimicrobial analysis showed improved activity against Escherichia coli and Staphylococus aureus and Candida albicans. Presence of the extract in crosslinked chitosan enhanced the cytocompatibility in 3T3 cells carried out by MTT assay and showed improved cell migration properties determined by scratch assay.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- J Sandhya
- Department of Applied Science and Technology, Anna University, Chennai, India
| | - S Veeralakshmi
- Department of Applied Science and Technology, Anna University, Chennai, India
| | - S Kalaiselvam
- Department of Applied Science and Technology, Anna University, Chennai, India
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Moeini A, Pedram P, Makvandi P, Malinconico M, Gomez d'Ayala G. Wound healing and antimicrobial effect of active secondary metabolites in chitosan-based wound dressings: A review. Carbohydr Polym 2020; 233:115839. [PMID: 32059889 DOI: 10.1016/j.carbpol.2020.115839] [Citation(s) in RCA: 344] [Impact Index Per Article: 86.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 01/06/2020] [Accepted: 01/06/2020] [Indexed: 02/06/2023]
Abstract
Wound healing can lead to complex clinical problems, hence finding an efficient approach to enhance the healing process is necessary. An ideal wound dressing should treat wounds at reasonable costs, with minimal inconveniences for the patient. Chitosan is one of the most investigated biopolymers for wound healing applications due to its biocompatibility, biodegradability, non-toxicity, and antimicrobial activity. Moreover, chitosan and its derivative have attracted numerous attentions because of the accelerating wound healing, and easy processability into different forms (gels, foams, membranes, and beads). All these properties make chitosan-based materials particularly versatile and promising for wound dressings. Besides, secondary natural metabolites could potentially act like the antimicrobial and anti-inflammatory agents and accelerate the healing process. This review collected almost all studies regarding natural compounds applications in wound healing by focusing on the chitosan-based bioactive wound dressing systems. An accurate analysis of different chitosan formulations and the influence of bioactive compounds on their wound healing properties are reported.
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Affiliation(s)
- Arash Moeini
- Department of Chemical Sciences, Universityof Naples "Federico II", Italy.
| | - Parisa Pedram
- Department of Chemical, Materialsand Industrial Production Engineering, University of Naples Federico II, Italy; Center for Advanced Biomaterials for Healthcare, Istituto Italiano di Tecnologia (IIT@CRIB), Italy
| | - Pooyan Makvandi
- Institute for Polymers, Composites and Biomaterials, National Research Council, Italy; Department of Medical Nanotechnology, Faculty of Advanced Technology in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mario Malinconico
- Institute for Polymers, Composites and Biomaterials, National Research Council, Italy
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Valencia-Gómez LE, Martel-Estrada SA, Vargas-Requena CL, Acevedo-Fernández JJ, Rodríguez-González CA, Hernández-Paz JF, Santos-Rodríguez E, Olivas-Armendáriz I. Characterization and evaluation of a novel O-carboxymethyl chitosan films with Mimosa tenuiflora extract for skin regeneration and wound healing. J BIOACT COMPAT POL 2019. [DOI: 10.1177/0883911519885976] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
In this study, films of O-carboxymethyl chitosan with Mimosa tenuiflora extract were manufactured, characterized, and evaluated. In this work, both the synthesis of O-carboxymethyl chitosan and the extraction of the active ingredient of Mimosa tenuiflora extract from the cortex are described. First, the extract of Mimosa tenuiflora in water was obtained by precipitation with ethanol, filtering, and concentrating. Subsequently, a study was conducted of scratch wound healing to determine the optimal concentration of extract to be used in the manufacture of films. The produced O-carboxymethyl chitosan films and the Mimosa tenuiflora extract were mixed, and their chemical composition, tensile properties, and wettability were characterized by Fourier-transform infrared spectroscopy, mechanical tests, and contact angle measurement. The antimicrobial properties of the films were tested by turbidimetry using two types of bacteria. In addition, a study of the enzymatic degradation of the films with the enzyme lysozyme was performed. Finally, in vitro studies to assess the biocompatibility and cytotoxicity of films with fibroblastic cells were carried out as well as the kinetic analysis of healing in mice. It was found that the addition of Mimosa tenuiflora extract in the polymer matrix of the films made with O-carboxymethyl chitosan improves the proliferation of fibroblast and accelerates wound healing, thus providing a novel biomaterial for skin regeneration.
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Affiliation(s)
| | | | | | | | | | | | | | - Imelda Olivas-Armendáriz
- Instituto de Ingeniería y Tecnología, Universidad Autónoma de Ciudad Juárez, Ciudad Juárez, México
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Rodríguez-León E, Rodríguez-Vázquez BE, Martínez-Higuera A, Rodríguez-Beas C, Larios-Rodríguez E, Navarro RE, López-Esparza R, Iñiguez-Palomares RA. Synthesis of Gold Nanoparticles Using Mimosa tenuiflora Extract, Assessments of Cytotoxicity, Cellular Uptake, and Catalysis. NANOSCALE RESEARCH LETTERS 2019; 14:334. [PMID: 31654146 PMCID: PMC6814701 DOI: 10.1186/s11671-019-3158-9] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 09/23/2019] [Indexed: 05/10/2023]
Abstract
Synthesis of gold nanoparticles (AuNPs) with plant extracts has gained great interest in the field of biomedicine due to its wide variety of health applications. In the present work, AuNPs were synthesized with Mimosa tenuiflora (Mt) bark extract at different metallic precursor concentrations. Mt extract was obtained by mixing the tree bark in ethanol-water. The antioxidant capacity of extract was evaluated using 2,2-diphenyl-1-picrylhydrazyl and total polyphenol assay. AuNPs were characterized by transmission electron microscopy, X-ray diffraction, UV-Vis and Fourier transform infrared spectroscopy, and X-ray photoelectron spectrometry for functional group determination onto their surface. AuMt (colloids formed by AuNPs and molecules of Mt) exhibit multiple shapes with sizes between 20 and 200 nm. AuMt were tested on methylene blue degradation in homogeneous catalysis adding sodium borohydride. The smallest NPs (AuMt1) have a degradation coefficient of 0.008/s and reach 50% degradation in 190s. Cell viability and cytotoxicity were evaluated in human umbilical vein endothelial cells (HUVEC), and a moderate cytotoxic effect at 24 and 48 h was found. However, toxicity does not behave in a dose-dependent manner. Cellular internalization of AuMt on HUVEC cells was analyzed by confocal laser scanning microscopy. For AuMt1, it can be observed that the material is dispersed into the cytoplasm, while in AuMt2, the material is concentrated in the nuclear periphery.
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Affiliation(s)
- Ericka Rodríguez-León
- Physics Department, University of Sonora, Rosales and Transversal, 83000 Hermosillo, Sonora Mexico
| | - Blanca E. Rodríguez-Vázquez
- Polymer and Material Department, University of Sonora, Rosales and Transversal, 83000 Hermosillo, Sonora Mexico
| | - Aarón Martínez-Higuera
- Physics Department, University of Sonora, Rosales and Transversal, 83000 Hermosillo, Sonora Mexico
| | - César Rodríguez-Beas
- Physics Department, University of Sonora, Rosales and Transversal, 83000 Hermosillo, Sonora Mexico
| | - Eduardo Larios-Rodríguez
- Chemical Engineering and Metallurgy Department, University of Sonora, Rosales and Transversal, 83000 Hermosillo, Sonora Mexico
| | - Rosa E. Navarro
- Polymer and Material Department, University of Sonora, Rosales and Transversal, 83000 Hermosillo, Sonora Mexico
| | - Ricardo López-Esparza
- Physics Department, University of Sonora, Rosales and Transversal, 83000 Hermosillo, Sonora Mexico
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Malinowska M, Miroslaw B, Sikora E, Ogonowski J, Wojtkiewicz AM, Szaleniec M, Pasikowska-Piwko M, Eris I. New lupeol esters as active substances in the treatment of skin damage. PLoS One 2019; 14:e0214216. [PMID: 30921370 PMCID: PMC6438679 DOI: 10.1371/journal.pone.0214216] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 03/09/2019] [Indexed: 01/11/2023] Open
Abstract
The purpose of the research was to obtain new derivatives of natural triterpene lupeol and to evaluate their potential as active substances in the treatment of skin damage. Four new lupeol esters (propionate, succinate, isonicotinate and acetylsalicylate) and lupeol acetate were obtained using an eco-friendly synthesis method. In the esterification process, the commonly used hazardous reagents in this type of synthesis were replaced by safe ones. This unconventional, eco-friendly, method is particularly important because the compounds obtained are potentially active substances in skin care formulations. Even trace amounts of hazardous reagents can have a toxic effect on damaged or irritated tissues. The molecular structure of the esters were confirmed by 1H NMR, 13C NMR and IR spectroscopy methods. Their crystal structures were determined using XRD method. To complete the analysis of their characteristics, physicochemical properties (melting point, lipophilicity, water solubility) and biological activity of the lupeol derivatives were studied. Results of an irritant potential test, carried out on Reconstructed Human Epidermis (RHE), confirmed that the synthesized lupeol derivatives are not cytotoxic and they stimulate a process of human cell proliferation. The safety of use for tested compounds was determined in a cell viability test (cytotoxicity detection kit based on the measurement of lactate dehydrogenase activity) for keratinocytes and fibroblasts. The results obtained showed that the modification of lupeol structure improve its bioavailability and activity. All of the esters penetrate the stratum corneum and the upper layers of the dermis better than the maternal lupeol. Lupeol isonicotinate, acetate and propionate were the most effective compounds in a stimulation of the human skin cell proliferation process. This combination resulted in an increase in the concentration of cells of more than 30% in comparison to control samples. The results indicate that the chemical modification of lupeol allows to obtain promising active substances for treatment of skin damage, including thermal, chemical and radiation burns.
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Affiliation(s)
- Magdalena Malinowska
- Institute of Organic Chemistry and Technology, Cracow University of Technology, Cracow, Poland
- * E-mail:
| | - Barbara Miroslaw
- Department of Crystallography, Faculty of Chemistry, Maria Curie-Sklodowska University, Lublin, Poland
| | - Elzbieta Sikora
- Institute of Organic Chemistry and Technology, Cracow University of Technology, Cracow, Poland
| | - Jan Ogonowski
- Institute of Organic Chemistry and Technology, Cracow University of Technology, Cracow, Poland
| | - Agnieszka M. Wojtkiewicz
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Cracow, Poland
| | - Maciej Szaleniec
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Cracow, Poland
| | | | - Irena Eris
- Dr Irena Eris Centre for Science and Research, Piaseczno, Poland
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Limón-Martínez RJ, Olivas-Armendáriz I, Sosa-Rodarte E, Rodríguez-Rodríguez CI, Hernández-Paz JF, Acosta-Torres LS, García-Contreras R, Santos-Rodríguez E, Martel-Estrada SA. Evaluation of in vitro bioactivity and in vitro biocompatibility of Polycaprolactone/Hyaluronic acid/Multiwalled Carbon Nanotubes/Extract from Mimosa tenuiflora composites. Biomed Mater Eng 2018; 30:97-109. [PMID: 30562892 DOI: 10.3233/bme-181036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND The development of biomaterial scaffolds and implementation of tissue engineering techniques are necessary. Therefore, Polycaprolactone/Sodium Hyaluronate/Multiwalled Carbon Nanotubes/Extract of Mimosa tenuiflora composites have been produced by a thermally-induced phase separation method. OBJECTIVE The objective of this research was to evaluate the in vitro bioactivity and in vitro biocompatibility of the composites. METHODS The in vitro bioactivity of the composites was assessed by soaking them in simulated body fluid for 7, 14, 21, and 28 days. The structure and composition of the composites were analyzed using scanning electron microscopy coupled with energy dispersive spectroscopy and Fourier transform infrared spectroscopy. Also, the in vitro biocompatibility of the composites was evaluated by means of alkaline phosphatase activity of the osteoblasts and by measuring the metabolic activity of the cells using MTT assay. RESULTS The results show a porous and interconnected morphology with enhanced bioactivity. It was observed that the incorporation of Mimosa tenuiflora in the composites promotes increased viability of osteoblasts in the scaffolds. CONCLUSIONS The results show the efficiency of bioactive and biocompatible composites and their potential as candidates for tissue engineering applications.
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Affiliation(s)
- R J Limón-Martínez
- Instituto de Ingeniería y Tecnología, Universidad Autónoma de Cd. Juárez, Av. Del Charro 450 Norte, Col. Universidad, Cd. Juárez, Chihuahua, México
| | - I Olivas-Armendáriz
- Instituto de Ingeniería y Tecnología, Universidad Autónoma de Cd. Juárez, Av. Del Charro 450 Norte, Col. Universidad, Cd. Juárez, Chihuahua, México
| | - E Sosa-Rodarte
- Instituto de Ingeniería y Tecnología, Universidad Autónoma de Cd. Juárez, Av. Del Charro 450 Norte, Col. Universidad, Cd. Juárez, Chihuahua, México
| | - C I Rodríguez-Rodríguez
- Universidad Tecnológica de Ciudad Juárez, Av. Universidad Tecnológica 3051, Col. Lote Bravo, Cd. Juárez, Chihuahua, México
| | - J F Hernández-Paz
- Instituto de Ingeniería y Tecnología, Universidad Autónoma de Cd. Juárez, Av. Del Charro 450 Norte, Col. Universidad, Cd. Juárez, Chihuahua, México
| | - L S Acosta-Torres
- Escuela Nacional de Estudios Superiores Unidad León, UNAM, Boulevard UNAM No. 2011, Predio el Saucillo y el Potrero, León Guanajuato, México
| | - R García-Contreras
- Escuela Nacional de Estudios Superiores Unidad León, UNAM, Boulevard UNAM No. 2011, Predio el Saucillo y el Potrero, León Guanajuato, México
| | - E Santos-Rodríguez
- ICTP Meso-American Centre for Theoretical Physics (ICTP-MCTP) Universidad Autónoma de Chiapas, Ciudad Universitaria, Carretera Zapata Km. 4, Real del Bosque (Terán), Tuxtla Gutiérrez, Chiapas, México
| | - S A Martel-Estrada
- Instituto de Arquitectura, Diseño y Arte, Universidad Autónoma de Cd. Juárez, Av. Del Charro 450 Norte. Col. Universidad, Cd. Juárez, Chihuahua, México
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Effect of herbal mixture composed of Alchemilla vulgaris and Mimosa on wound healing process. Biomed Pharmacother 2018; 106:326-332. [PMID: 29966977 DOI: 10.1016/j.biopha.2018.06.141] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 06/20/2018] [Accepted: 06/25/2018] [Indexed: 01/16/2023] Open
Abstract
Alchemilla vulgaris and Mimosa tenuiflora (Mimosa) have been used to treat cutaneous wounds as a traditional remedy due to their various biological activities. But, there are only a few studies about the effects of these herbs on wound healing. The purpose of this study is to investigate the wound healing effect of the herbal mixture, consisting of A. vulgaris and Mimosa, in mice and to determine the activity of the extract in vitro. In present study, application of an ointment containing the herbal mixture on the dorsal skin wounds of mice showed that the wound healing process was faster than treatment of Fusidic acid. Histological analysis demonstrated the herbal mixture promoted re-epithelialization, collagen synthesis, and especially the regeneration of skin appendages such as hair follicles. Immunohistochemical analysis revealed the herbal mixture improved angiogenesis and the stabilization of blood vessels, as well as accelerated the formation of granulation tissue. In addition, we demonstrated that herbal mixture enhanced the migration of HaCaT, fibroblasts, and HUVECs on a two-dimensional wound, and promoted the proliferation of macrophages and lymphatic vessels. Our results demonstrated that herbal mixture can promote the migration of keratinocytes, fibroblasts, and endothelial cells, and the proliferation of macrophages and lymphatic vessels. Furthermore, it showed that herbal mixture accelerates wound healing. Therefore, we suggest that herbal mixture may have a potential for therapeutic use for treatment and management of cutaneous wound.
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15
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Li M, Zhao Y, Hao H, Han W, Fu X. Theoretical and practical aspects of using fetal fibroblasts for skin regeneration. Ageing Res Rev 2017; 36:32-41. [PMID: 28238941 DOI: 10.1016/j.arr.2017.02.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 02/21/2017] [Accepted: 02/21/2017] [Indexed: 12/17/2022]
Abstract
Cutaneous wounding in late-gestational fetal or postnatal humans results in scar formation without any skin appendages. Early or mid- gestational skin healing in humans is characterized by the absence of scaring in a process resembling regeneration. Tremendous cellular and molecular mechanisms contribute to this distinction, and fibroblasts play critical roles in scar or scarless wound healing. This review discussed the different repair mechanisms involved in wound healing of fibroblasts at different developmental stages and further confirmed that fetal fibroblast transplantation resulted in reduced scar healing in vivo. We also discussed the possible problem in fetal fibroblast transplantation for wound repair. We proposed the use of small molecules to improve the regenerative potential of repairing cells in the wound given that remodeling of the wound microenvironment into a regenerative microenvironment in adults might improve skin regeneration.
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