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Fuster MG, Montalbán MG, Carissimi G, Lima B, Feresin GE, Cano M, Giner-Casares JJ, López-Cascales JJ, Enriz RD, Víllora G. Antibacterial Effect of Chitosan-Gold Nanoparticles and Computational Modeling of the Interaction between Chitosan and a Lipid Bilayer Model. Nanomaterials (Basel) 2020; 10:E2340. [PMID: 33255714 PMCID: PMC7761461 DOI: 10.3390/nano10122340] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 11/08/2020] [Accepted: 11/23/2020] [Indexed: 01/14/2023]
Abstract
Pathogenic bacteria have the ability to develop antibiotic resistance mechanisms. Their action consists mainly in the production of bacterial enzymes that inactivate antibiotics or the appearance of modifications that prevent the arrival of the drug at the target point or the alteration of the target point itself, becoming a growing problem for health systems. Chitosan-gold nanoparticles (Cs-AuNPs) have been shown as effective bactericidal materials avoiding damage to human cells. In this work, Cs-AuNPs were synthesized using chitosan as the reducing agent, and a systematic analysis of the influence of the synthesis parameters on the size and zeta potential of the Cs-AuNPs and their UV-vis spectra was carried out. We used a simulation model to characterize the interaction of chitosan with bacterial membranes, using a symmetric charged bilayer and two different chitosan models with different degrees of the chitosan amine protonation as a function of pH, with the aim to elucidate the antibacterial mechanism involving the cell wall disruption. The Cs-AuNP antibacterial activity was evaluated to check the simulation model.
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Grants
- CTQ2017-87708-R Ministerio de Economía, Industria y Competitividad, Gobierno de España
- CTQ2017-83961-R Ministerio de Economía, Industria y Competitividad, Gobierno de España
- CTQ2017-92264-EXP Ministerio de Economía, Industria y Competitividad, Gobierno de España
- RyC-2014-14956 Ministerio de Economía, Industria y Competitividad, Gobierno de España
- PRE2018-086441 Ministerio de Economía, Industria y Competitividad, Gobierno de España
- 20977/PI/18 Fundación Séneca
- CONICET-SECITI N°022 Consejo Nacional de Investigaciones Científicas y Técnicas
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Affiliation(s)
- M. G. Fuster
- Chemical Engineering Department, Faculty of Chemistry, University of Murcia, 30100 Murcia, Spain; (M.G.F.); (G.C.); (G.V.)
| | - M. G. Montalbán
- Chemical Engineering Department, Faculty of Chemistry, University of Murcia, 30100 Murcia, Spain; (M.G.F.); (G.C.); (G.V.)
| | - G. Carissimi
- Chemical Engineering Department, Faculty of Chemistry, University of Murcia, 30100 Murcia, Spain; (M.G.F.); (G.C.); (G.V.)
| | - B. Lima
- Instituto de Biotecnología, Universidad Nacional de San Juan, Av. Libertador General San Martín 1109 (O), San Juan CP 5400, Argentina; (B.L.); (G.E.F.)
- CONICET (Consejo Nacional de Ciencia y Tecnología), CABA, Buenos Aires C1405DJR, Argentina
| | - G. E. Feresin
- Instituto de Biotecnología, Universidad Nacional de San Juan, Av. Libertador General San Martín 1109 (O), San Juan CP 5400, Argentina; (B.L.); (G.E.F.)
- CONICET (Consejo Nacional de Ciencia y Tecnología), CABA, Buenos Aires C1405DJR, Argentina
| | - M. Cano
- Departamento de Química Física y Termodinámica Aplicada, Instituto Universitario de Nanoquímica (IUNAN), Facultad de Ciencias, Universidad de Córdoba, Campus de Rabanales, Ed. Marie Curie, E-14071 Córdoba, Spain; (M.C.); (J.J.G.-C.)
| | - J. J. Giner-Casares
- Departamento de Química Física y Termodinámica Aplicada, Instituto Universitario de Nanoquímica (IUNAN), Facultad de Ciencias, Universidad de Córdoba, Campus de Rabanales, Ed. Marie Curie, E-14071 Córdoba, Spain; (M.C.); (J.J.G.-C.)
| | - J. J. López-Cascales
- Departamento Ingeniería Química y Ambiental, Campus Alfonso XIII, Universidad Politécnica de Cartagena, Aulario C, Cartagena, 30203 Murcia, Spain;
| | - R. D. Enriz
- Facultad de Química, Bioquímica y Farmacia, Instituto Multidisciplinario de Investigaciones Biológicas (IMIBIO-SL), CONICET, Universidad Nacional de San Luis, Ejército de los Andes 950, San Luis 5700, Argentina;
| | - G. Víllora
- Chemical Engineering Department, Faculty of Chemistry, University of Murcia, 30100 Murcia, Spain; (M.G.F.); (G.C.); (G.V.)
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Germanó MJ, Muñoz MD, Della-Vedova MC, Feresin GE, Rinaldi-Tosi M, Enriz RD, Ramirez DC, Giannini FA. Anti-oxidant and anti-inflammatory effect of polar extracts obtained from waste product of wine making. Nat Prod Res 2020; 35:4769-4773. [PMID: 32009455 DOI: 10.1080/14786419.2020.1721492] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A lot of diseases are characterized by an increased inflammatory response with an exacerbated production of free radicals. The anti-inflammatory effect of different compounds with antioxidant capacity, as polyphenols present in grape is well known. Therefore, the objective is to evaluate the anti-oxidant and anti-inflammatory activity of waste product of wine production.Six different non-toxic-marc-polar extracts from Malbec and Syrah grape varieties were obtained, their total phenol and flavonoid content were evaluated, and their antioxidant and anti-inflammatory activity were determined.High content of total phenols and flavonoids were found mainly in extracts obtained from Syrah (80.51 ± 16.63 g equivalent to gallic acid/100 g and 25.47 ± 3.33 g equivalent to quercetin/100 g). In addition, they had a high antioxidant effect (above 88.5% of ABTS inhibition by Syrah extracts). Finally, all extracts decreased the nitric oxide (NO) production, but this was more accented when extract from Syrah obtained by infusion was used, which decreased NO levels to baseline (4.46 µM).Taking together, our results show the potential pharmaceutical use of waste product of wine making to prevent or to treat diseases which inflammatory response is exacerbated.
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Affiliation(s)
- M J Germanó
- Laboratorio de Medicina Experimental & Terapéuticas, Instituto Multidisciplinario de Investigaciones Biológicas de San Luis (IMIBIO), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Luis, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), Universidad Nacional de Cuyo (UNCuyo), Mendoza, Argentina
| | - M D Muñoz
- Laboratorio de Medicina Experimental & Terapéuticas, Instituto Multidisciplinario de Investigaciones Biológicas de San Luis (IMIBIO), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Luis, Argentina
| | - M C Della-Vedova
- Laboratorio de Medicina Experimental & Terapéuticas, Instituto Multidisciplinario de Investigaciones Biológicas de San Luis (IMIBIO), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Luis, Argentina
| | - G E Feresin
- Facultad de Ingeniería, Universidad Nacional de San Juan (UNSJ), San Juan, Argentina
| | - M Rinaldi-Tosi
- Laboratorio de Medicina Experimental & Terapéuticas, Instituto Multidisciplinario de Investigaciones Biológicas de San Luis (IMIBIO), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Luis, Argentina
| | - R D Enriz
- Area de Química General e Inorgánica, Universidad Nacional de San Luis, San Luis (UNSL), Argentina.,Instituto Multidisciplinario de Investigaciones Biológicas de San Luis (IMIBIO), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Luis, Argentina
| | - D C Ramirez
- Laboratorio de Medicina Experimental & Terapéuticas, Instituto Multidisciplinario de Investigaciones Biológicas de San Luis (IMIBIO), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Luis, Argentina
| | - F A Giannini
- Area de Química General e Inorgánica, Universidad Nacional de San Luis, San Luis (UNSL), Argentina
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Nina N, Lima B, Feresin GE, Giménez A, Salamanca Capusiri E, Schmeda-Hirschmann G. Antibacterial and leishmanicidal activity of Bolivian propolis. Lett Appl Microbiol 2016; 62:290-6. [PMID: 26743801 DOI: 10.1111/lam.12543] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 12/28/2015] [Accepted: 01/05/2016] [Indexed: 01/06/2023]
Abstract
UNLABELLED The antimicrobial activity of Bolivian propolis was assessed for the first time on a panel of bacteria and two endemic parasitic protozoa. Ten samples of Bolivian propolis and their main constituents were tested using the micro-broth dilution method against 11 bacterial pathogenic strains as well as against promastigotes of Leishmania amazonensis and L. braziliensis using the XTT-based colorimetric method. The methanolic extracts showed antibacterial effect ranging from inactive (MICs > 1000 μg ml(-1) ) to low (MICs 250-1000 μg ml(-1) ), moderate (62·5-125 μg ml(-1) ) and high antibacterial activity (MIC 31·2 μg ml(-1) ), according to the collection place and chemical composition. The most active samples towards Leishmania species were from Cochabamba and Tarija, with IC50 values of 12·1 and 7·8, 8·0 and 10·9 μg ml(-1) against L. amazonensis and Leishmania brasiliensis respectively. The results show that the best antibacterial and antiprotozoal effect was observed for some phenolic-rich propolis. SIGNIFICANCE AND IMPACT OF THE STUDY Propolis is used in Bolivia as an antimicrobial agent. Bolivian propolis from the main production areas was assessed for antibacterial and leishmanicidal effect and the results were compared with the propolis chemical composition. The active antibacterial propolis samples were phenolic-rich while those containing mainly triterpenes were devoid of activity or weakly active. A similar picture was obtained for the effect on Leishmania, with better effect for the phenolic-rich samples. As propolis is used for the same purposes regardless of the production area and composition, our findings indicate the need for the standardization of this natural product as antimicrobial.
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Affiliation(s)
- N Nina
- Laboratorio de Química de Productos Naturales, Instituto de Química de Recursos Naturales, Universidad de Talca, Talca, Chile.,Facultad de Ciencias de la Salud, Programa de Magister en Ciencias Biomédicas, Universidad de Talca, Talca, Chile
| | - B Lima
- Facultad de Ingeniería, Instituto de Biotecnología, Universidad Nacional de San Juan, San Juan, Argentina
| | - G E Feresin
- Facultad de Ingeniería, Instituto de Biotecnología, Universidad Nacional de San Juan, San Juan, Argentina
| | - A Giménez
- Facultad de Ciencias Químico Farmacéuticas y Bioquímicas, Instituto de Investigaciones Fármaco Bioquímicas - IIFB, Universidad Mayor de San Andrés - UMSA, La Paz, Bolivia
| | - E Salamanca Capusiri
- Facultad de Ciencias Químico Farmacéuticas y Bioquímicas, Instituto de Investigaciones Fármaco Bioquímicas - IIFB, Universidad Mayor de San Andrés - UMSA, La Paz, Bolivia
| | - G Schmeda-Hirschmann
- Laboratorio de Química de Productos Naturales, Instituto de Química de Recursos Naturales, Universidad de Talca, Talca, Chile
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Schmeda-Hirschmann G, Rodriguez JA, Theoduloz C, Astudillo SL, Feresin GE, Tapia A. Free-radical scavengers and antioxidants from Peumus boldus Mol. ("Boldo"). Free Radic Res 2003; 37:447-52. [PMID: 12747739 DOI: 10.1080/1071576031000090000] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The dry leaves of Peumus boldus (Monimiaceae) are used in infusion or decoction as a digestive and to improve hepatic complains. Preliminary assays showed free-radical scavenging activity in hot water extracts of boldo leaves, measured by the decoloration of a methanolic solution of the 1,1-diphenyl-2-picryl-hydrazyl radical (DPPH). Assay-guided isolation led to the active compounds. Catechin proved to be the main free-radical scavenger of the extracts. Lipid peroxidation in erythrocytes was inhibited by boldo extracts and fractions at 500 microg/ml with higher effect for the ethyl acetate soluble and alkaloid fractions. The IC50 for catechin and boldine in the lipid peroxidation test were 75.6 and 12.5 microg/ml, respectively. On the basis of dry starting material the catechin content in the crude drug was 2.25% while the total alkaloid calculated as boldine was 0.06%. The activity of boldine was six times higher than catechin in the lipid peroxidation assay. However, the mean catechin:total alkaloid content ratio was 37:1. The relative concentration of alkaloids and phenolics in boldo leaves and their activity suggest that free-radical scavenging effect is mainly due to catechin and flavonoids and that antioxidant effect is mainly related with the catechin content The high catechin content of boldo leaves and its bioactivity suggest that quality control of Boldo folium has to combine the analysis of catechin as well as their characteristic aporphine alkaloids.
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Affiliation(s)
- G Schmeda-Hirschmann
- Laboratorio de Química de Productos Naturales, Instituto de Química de Recursos Naturales, Universidad de Taka, Casilla 747, Talca, Chile.
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Feresin GE, Tapia A, López SN, Zacchino SA. Antimicrobial activity of plants used in traditional medicine of San Juan province, Argentine. J Ethnopharmacol 2001; 78:103-107. [PMID: 11585697 DOI: 10.1016/s0378-8741(01)00322-1] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Eighteen extracts from Acaena magellanica, Baccharis grisebachii, Ephedra breana, Oxalis erythrorhiza, Pachylaena atriplicifolia and Satureja parvifolia were assessed for antimicrobial activity against bacteria and fungi with the agar dilution method. The hexane (H) and dichloromethane (DCM) extracts of B. grisebachii and O. erythrorhiza showed the broadest spectrum of action against fungi, inhibiting all of the tested dermatophytes with MICs ranging from < or =25 to < or =1000 microg/ml. Trichophyton rubrum was the most susceptible species and Cryptococcus neoformans was inhibited only by the DCM extract of B. grisebachii with MIC of 600 microg/ml. Regarding the antibacterial activity, H and DCM extracts of B. grisebachii as well as the DCM of O. erythrorhiza, were active on methicillin-resistant and methicillin-sensitive Staphylococcus aureus with MIC from < or =125 to < or =500 microg/ml. The DCM extract of B. grisebacchii was more active against methicillin-resistant than methicillin-sensitive strains.
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Affiliation(s)
- G E Feresin
- Instituto de Biotecnología. Universidad Nacional de San Juan, Avda. Libertador General San Martín 1109 (O), 5400, San Juan, Argentina.
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Abstract
The antibacterial activities and preliminary phytochemical screening of 13 plants used as folk medicine in San Juan, Argentina, are reported.
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Affiliation(s)
- G E Feresin
- Instituto de Ciencias Básicas, Facultad de Filosofía Humanidades y Artes, Universidad Nacional de San Juan, Av. Ignacio de la Roza 230 (O), 5400 San Juan, Argentina
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Abstract
A novel compound, 1 beta-hydroxydehydroabietic acid has been obtained by the microbial transformation of dehydroabietic acid, using cultures of Fusarium oxysporum and F. moniliforme. Its antibacterial activity was also tested.
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Affiliation(s)
- A A Tapia
- Instituto de Ciencias Básicas, Facultad de Filosofía, Humanidades y Artes, Universidad Nacional de San Juan, Argentina
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