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Pirușcă IA, Balaure PC, Grumezescu V, Irimiciuc SA, Oprea OC, Bîrcă AC, Vasile B, Holban AM, Voinea IC, Stan MS, Trușcă R, Grumezescu AM, Croitoru GA. New Fe 3O 4-Based Coatings with Enhanced Anti-Biofilm Activity for Medical Devices. Antibiotics (Basel) 2024; 13:631. [PMID: 39061313 PMCID: PMC11273941 DOI: 10.3390/antibiotics13070631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2024] [Revised: 07/02/2024] [Accepted: 07/03/2024] [Indexed: 07/28/2024] Open
Abstract
With the increasing use of invasive, interventional, indwelling, and implanted medical devices, healthcare-associated infections caused by pathogenic biofilms have become a major cause of morbidity and mortality. Herein, we present the fabrication, characterization, and in vitro evaluation of biocompatibility and anti-biofilm properties of new coatings based on Fe3O4 nanoparticles (NPs) loaded with usnic acid (UA) and ceftriaxone (CEF). Sodium lauryl sulfate (SLS) was employed as a stabilizer and modulator of the polarity, dispersibility, shape, and anti-biofilm properties of the magnetite nanoparticles. The resulting Fe3O4 functionalized NPs, namely Fe3O4@SLS, Fe3O4@SLS/UA, and Fe3O4@SLS/CEF, respectively, were prepared by co-precipitation method and fully characterized by XRD, TEM, SAED, SEM, FTIR, and TGA. They were further used to produce nanostructured coatings by matrix-assisted pulsed laser evaporation (MAPLE) technique. The biocompatibility of the coatings was assessed by measuring the cell viability, lactate dehydrogenase release, and nitric oxide level in the culture medium and by evaluating the actin cytoskeleton morphology of murine pre-osteoblasts. All prepared nanostructured coatings exhibited good biocompatibility. Biofilm growth inhibition ability was tested at 24 h and 48 h against Staphylococcus aureus and Pseudomonas aeruginosa as representative models for Gram-positive and Gram-negative bacteria. The coatings demonstrated good biocompatibility, promoting osteoblast adhesion, migration, and growth without significant impact on cell viability or morphology, highlighting their potential for developing safe and effective antibacterial surfaces.
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Affiliation(s)
- Ioana Adelina Pirușcă
- Department of Science and Engineering of Oxide Materials and Nanomaterials, National University of Science and Technology POLITEHNICA Bucharest, 011061 Bucharest, Romania; (I.A.P.); (A.C.B.); (B.V.); (R.T.)
| | - Paul Cătălin Balaure
- Department of Organic Chemistry, National University of Science and Technology POLITEHNICA Bucharest, 011061 Bucharest, Romania
| | - Valentina Grumezescu
- Lasers Department, National Institute for Laser, Plasma and Radiation Physics, 077125 Magurele, Romania; (V.G.)
| | - Stefan-Andrei Irimiciuc
- Lasers Department, National Institute for Laser, Plasma and Radiation Physics, 077125 Magurele, Romania; (V.G.)
| | - Ovidiu-Cristian Oprea
- Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, National University of Science and Technology POLITEHNICA Bucharest, 011061 Bucharest, Romania;
| | - Alexandra Cătălina Bîrcă
- Department of Science and Engineering of Oxide Materials and Nanomaterials, National University of Science and Technology POLITEHNICA Bucharest, 011061 Bucharest, Romania; (I.A.P.); (A.C.B.); (B.V.); (R.T.)
| | - Bogdan Vasile
- Department of Science and Engineering of Oxide Materials and Nanomaterials, National University of Science and Technology POLITEHNICA Bucharest, 011061 Bucharest, Romania; (I.A.P.); (A.C.B.); (B.V.); (R.T.)
| | - Alina Maria Holban
- Microbiology and Immunology Department, Faculty of Biology, University of Bucharest, 77206 Bucharest, Romania;
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 050663 Bucharest, Romania; (I.C.V.); (M.S.S.)
| | - Ionela C. Voinea
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 050663 Bucharest, Romania; (I.C.V.); (M.S.S.)
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania
| | - Miruna S. Stan
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 050663 Bucharest, Romania; (I.C.V.); (M.S.S.)
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania
| | - Roxana Trușcă
- Department of Science and Engineering of Oxide Materials and Nanomaterials, National University of Science and Technology POLITEHNICA Bucharest, 011061 Bucharest, Romania; (I.A.P.); (A.C.B.); (B.V.); (R.T.)
| | - Alexandru Mihai Grumezescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, National University of Science and Technology POLITEHNICA Bucharest, 011061 Bucharest, Romania; (I.A.P.); (A.C.B.); (B.V.); (R.T.)
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 050663 Bucharest, Romania; (I.C.V.); (M.S.S.)
| | - George-Alexandru Croitoru
- Department II, Faculty of Dental Medicine, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania;
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Dos Santos VHB, de Azevedo Ximenes ECP, de Souza RAF, da Silva RPC, da Conceição Silva M, de Andrade LVM, de Souza Oliveira VM, de Melo-Júnior MR, Costa VMA, de Barros Lorena VM, de Araújo HDA, de Lima Aires A, de Azevedo Albuquerque MCP. Effects of the probiotic Bacillus cereus GM on experimental schistosomiasis mansoni. Parasitol Res 2023; 123:72. [PMID: 38148420 DOI: 10.1007/s00436-023-08090-0] [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: 09/26/2023] [Accepted: 12/09/2023] [Indexed: 12/28/2023]
Abstract
Probiotics contribute to the integrity of the intestinal mucosa and preventing dysbiosis caused by opportunistic pathogens, such as intestinal helminths. Bacillus cereus GM obtained from Biovicerin® was cultured to obtain spores for in vivo evaluation on experimental schistosomiasis. The assay was performed for 90 days, where all animals were infected with 50 cercariae of Schistosoma mansoni on the 15th day. Three experimental groups were formed, as follows: G1-saline solution from the 1st until the 90th day; G2-B. cereus GM (105 spores in 300 μL of sterile saline) from the 1st until the 90th day; and G3-B. cereus GM 35th day (onset of oviposition) until the 90th day. G2 showed a significant reduction of 43.4% of total worms, 48.8% of female worms and 42.5% of eggs in the liver tissue. In G3, the reduction was 25.2%, 29.1%, and 44% of the total number of worms, female worms, and eggs in the liver tissue, respectively. G2 and G3 showed a 25% (p < 0.001) and 22% (p < 0.001) reduction in AST levels, respectively, but ALT levels did not change. ALP levels were reduced by 23% (p < 0.001) in the G2 group, but not in the G3. The average volume of granulomas reduced (p < 0.0001) 65.2% and 46.3% in the liver tissue and 83.0% and 53.2% in the intestine, respectively, in groups G2 and G3. Th1 profile cytokine (IFN-γ, TNF-α, and IL-6) and IL-17 were significantly increased (p < 0.001) stimulated with B. cereus GM in groups G2 and G3. IL-4 showed significant values when the stimulus was mediated by ConA. By modulating the immune response, B. cereus GM reduced the burden of worms, improved some markers of liver function, and reduced the granulomatous inflammatory reaction in mice infected with S. mansoni, especially when administered before infection.
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Affiliation(s)
- Victor Hugo Barbosa Dos Santos
- Instituto Keizo Asami (iLIKA), Universidade Federal de Pernambuco, Recife, PE, Brazil
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | - Eulália Camelo Pessoa de Azevedo Ximenes
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal de Pernambuco, Recife, PE, Brazil
- Departamento de Antibióticos, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | - Renan Andrade Fernandes de Souza
- Instituto Keizo Asami (iLIKA), Universidade Federal de Pernambuco, Recife, PE, Brazil
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | | | | | | | - Valdenia Maria de Souza Oliveira
- Instituto Keizo Asami (iLIKA), Universidade Federal de Pernambuco, Recife, PE, Brazil
- Departamento de Ciências Farmacêuticas, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | | | - Vlaudia Maria Assis Costa
- Instituto Keizo Asami (iLIKA), Universidade Federal de Pernambuco, Recife, PE, Brazil
- Departamento de Patologia, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | | | - Hallysson Douglas Andrade de Araújo
- Instituto Keizo Asami (iLIKA), Universidade Federal de Pernambuco, Recife, PE, Brazil
- Laboratório de Biotecnologia e Fármacos e Laboratório de Tecnologia de Biomateriais - Centro Acadêmico de Vitória de Santo Antão, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | - André de Lima Aires
- Instituto Keizo Asami (iLIKA), Universidade Federal de Pernambuco, Recife, PE, Brazil
- Centro de Ciências Médicas, Área Acadêmica de Medicina Tropical, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | - Mônica Camelo Pessoa de Azevedo Albuquerque
- Instituto Keizo Asami (iLIKA), Universidade Federal de Pernambuco, Recife, PE, Brazil.
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal de Pernambuco, Recife, PE, Brazil.
- Centro de Ciências Médicas, Área Acadêmica de Medicina Tropical, Universidade Federal de Pernambuco, Recife, PE, Brazil.
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The Natural Compound Hydrophobic Usnic Acid and Hydrophilic Potassium Usnate Derivative: Applications and Comparisons. Molecules 2021; 26:molecules26195995. [PMID: 34641539 PMCID: PMC8512202 DOI: 10.3390/molecules26195995] [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: 08/28/2021] [Revised: 09/22/2021] [Accepted: 09/29/2021] [Indexed: 12/04/2022] Open
Abstract
Usnic acid is the best-studied lichen metabolite, presenting several biological activities, such as antibacterial, immunostimulating, antiviral, antifungal, anti-inflammatory, and antiparasitic agents; despite these relevant properties, it is a hydrophobic and toxic molecule. In this context, scientific research has driven the development of innovative alternatives, considering usnic acid as a source of raw material in obtaining new molecules, allowing structural modifications (syntheses) from it. The purpose is to optimize biological activities and toxicity, with less concentration and/or response time. This work presents a literature review with an analogy of the hydrophobic molecule of usnic acid with its hydrophilic derivative of potassium usnate, emphasizing the elucidation and structural characteristics, biological activities, and toxicological aspects of both molecules, and the advantages of using the promising derivative hydrophilic in different in vitro and in vivo assays when compared to usnic acid.
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Overexpression of the adeB Efflux Pump Gene in Tigecycline-Resistant Acinetobacter baumannii Clinical Isolates and Its Inhibition by (+)Usnic Acid as an Adjuvant. Antibiotics (Basel) 2021; 10:antibiotics10091037. [PMID: 34572620 PMCID: PMC8472003 DOI: 10.3390/antibiotics10091037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/19/2021] [Accepted: 08/20/2021] [Indexed: 12/11/2022] Open
Abstract
Acinetobacter species are among the most life-threatening Gram-negative bacilli, causing hospital-acquired infections, and they are associated with high morbidity and mortality. They show multidrug resistance that acts via various mechanisms. In Acinetobacter baumannii, efflux pump-mediated resistance to many antimicrobial compounds, including tigecycline, has been widely reported. Natural compounds have been used for their various pharmacological properties, including anti-efflux pump activity. The present study aimed to evaluate the efflux pump-mediated resistance mechanism of Acinetobacter baumannii and the effect of (+)Usnic acid as an efflux pump inhibitor with tigecycline. For detecting the efflux pump activity of tigecycline-resistant Acinetobacter baumannii isolates, microbroth dilution method and real-time quantitative reverse transcription–polymerase chain reaction was used. (+)Usnic acid was added to tigecycline and tested by the checkerboard method to evaluate its efficacy as an efflux pump inhibitor. qRT-PCR analysis was carried out to show the downregulation of the efflux pump in the isolates. Out of 42 tigecycline-resistant Acinetobacter baumannii isolates, 19 showed efflux pump activity. All 19 strains expressed the adeB gene. (+)Usnic acid as an adjuvant showed better efficacy in lowering the minimum inhibitory concentration compared with the conventional efflux pump inhibitor, carbonyl cyanide phenylhydrazone.
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Quantum chemical calculation studies toward microscopic understanding of retention mechanism of Cs radioisotopes and other alkali metals in lichens. Sci Rep 2021; 11:8228. [PMID: 33859257 PMCID: PMC8050294 DOI: 10.1038/s41598-021-87617-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 03/30/2021] [Indexed: 01/23/2023] Open
Abstract
We evaluate stability of cesium (Cs) and other alkali-metal cation complexes of lichen metabolites in both gas and aqueous phases to discuss why lichens can retain radioactive Cs in the thalli over several years. We focus on oxalic acid, (+)-usnic acid, atranorin, lecanoric acid, and protocetraric acid, which are common metabolite substances in various lichens including, e.g., Flavoparmelia caperata and Parmotrema tinctorum retaining Cs in Fukushima, Japan. By performing quantum chemical calculations, their gas-phase complexation energies and aqueous-solution complexation free energies with alkali-metal cations are computed for their neutral and deprotonated cases. Consequently, all the molecules are found to energetically favor cation complexations and the preference order is Li\documentclass[12pt]{minimal}
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\begin{document}$$^+$$\end{document}+ for all conditions, indicating no specific Cs selectivity but strong binding with all alkali cations. Comparing complexation stabilities among these metabolites, lecanoric and protocetraric acids seen in medullary layer are found to keep higher affinity in their neutral case, while (+)-usnic acid and atranorin in upper cortex exhibit rather strong affinity only in deprotonated cases through forming stable six atoms’ ring containing alkali cation chelated by two oxygens. These results suggest that the medullary layer can catch all alkali cations in a wide pH range around the physiological one, while the upper cortex can effectively block penetration of metal ions when the metal stress grows. Such insights highlight a physiological role of metabolites like blocking of metal-cation migrations into intracellular tissues, and explain long-term retention of alkali cations including Cs in lichens containing enough such metabolites to bind them.
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Cazarin CA, Dalmagro AP, Gonçalves AE, Boeing T, Silva LMD, Corrêa R, Klein-Júnior LC, Pinto BC, Lorenzett TS, Sobrinho TUDC, Fátima ÂD, Lage TCDA, Fernandes SA, Souza MMD. Usnic acid enantiomers restore cognitive deficits and neurochemical alterations induced by Aβ 1-42 in mice. Behav Brain Res 2020; 397:112945. [PMID: 33022354 DOI: 10.1016/j.bbr.2020.112945] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 08/25/2020] [Accepted: 09/26/2020] [Indexed: 02/06/2023]
Abstract
Alzheimer's disease (AD) is the most prevalent form of dementia with a complex pathophysiology not fully elucidated but with limited pharmacological treatment. The Usnic acid (UA) is a lichen secondary metabolite found in two enantiomeric forms: (R)-(+)-UA or (S)-(-)-UA, with antioxidant and anti-inflammatory potential. Thus, given the role of neuroinflammation and oxidative injury in the AD, this study aimed to investigate experimentally the cognitive enhancing and anti-neuroinflammatory effects of UA enantiomers. First, the interactions of UA on acetylcholinesterase (AChE) was assessed by molecular docking and its inhibitory capability on AChE was assessed in vitro. In vivo trials investigated the effects of UA enantiomers in mice exposed to Aβ1-42 peptide (400 pmol/mice) intracerebroventricularly (i.c.v.). For this, mice were treated orally during 24 days with (R)-(+)-UA or (S)-(-)-UA at 25, 50, or 100 mg/kg, vehicle, or donepezil (2 mg/kg). Animals were submitted to the novel object recognized, Morris water maze, and inhibitory-avoidance task to assess the cognitive deficits. Additionally, UA antioxidant capacity and neuroinflammatory biomarkers were measured at the cortex and hippocampus from mice. Our results indicated that UA enantiomers evoked complex-receptor interaction with AChE like galantamine in silico. Also, UA enantiomers improved the learning and memory of the animals and in parallel decreased the myeloperoxidase activity and the lipid hydroperoxides (LOOH) on the cortex and hippocampus and reduced the IL-1β levels on the hippocampus. In summary, UA restored the cognitive deficits, as well as the signs of LOOH and neuroinflammation induced by Aβ1-42 administration in mice.
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Affiliation(s)
- Camila Andre Cazarin
- Pharmaceutical Sciences Postgraduate Program, Center of Health Sciences, Universidade do Vale do Itajaí, CEP 88302-202, Itajaí, Santa Catarina, Brazil.
| | - Ana Paula Dalmagro
- Pharmaceutical Sciences Postgraduate Program, Center of Health Sciences, Universidade do Vale do Itajaí, CEP 88302-202, Itajaí, Santa Catarina, Brazil
| | - Ana Elisa Gonçalves
- Pharmaceutical Sciences Postgraduate Program, Center of Health Sciences, Universidade do Vale do Itajaí, CEP 88302-202, Itajaí, Santa Catarina, Brazil
| | - Thaise Boeing
- Pharmaceutical Sciences Postgraduate Program, Center of Health Sciences, Universidade do Vale do Itajaí, CEP 88302-202, Itajaí, Santa Catarina, Brazil
| | - Luísa Mota da Silva
- Pharmaceutical Sciences Postgraduate Program, Center of Health Sciences, Universidade do Vale do Itajaí, CEP 88302-202, Itajaí, Santa Catarina, Brazil
| | - Rogério Corrêa
- Pharmaceutical Sciences Postgraduate Program, Center of Health Sciences, Universidade do Vale do Itajaí, CEP 88302-202, Itajaí, Santa Catarina, Brazil
| | - Luiz Carlos Klein-Júnior
- Pharmaceutical Sciences Postgraduate Program, Center of Health Sciences, Universidade do Vale do Itajaí, CEP 88302-202, Itajaí, Santa Catarina, Brazil
| | - Bernardo Carlesso Pinto
- School of Health Sciences, Universidade do Vale do Itajaí, CEP 88302-202, Itajaí, Santa Catarina, Brazil
| | - Thaís Savoldi Lorenzett
- School of Health Sciences, Universidade do Vale do Itajaí, CEP 88302-202, Itajaí, Santa Catarina, Brazil
| | | | - Ângelo de Fátima
- Department of Chemistry, Universidade Federal de Minas Gerais, CEP 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | | | - Sergio Antonio Fernandes
- Department of Chemistry, Universidade Federal de Viçosa, CEP 36570-900, Viçosa, Minas Gerais, Brazil
| | - Márcia Maria de Souza
- Pharmaceutical Sciences Postgraduate Program, Center of Health Sciences, Universidade do Vale do Itajaí, CEP 88302-202, Itajaí, Santa Catarina, Brazil
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