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Cavalcanti BC, Magalhães IL, Rodrigues DS, de Farias Cabral VP, Barbosa AD, do Amaral Valente Sá LG, da Silva LJ, de Andrade Neto JB, da Silva CR, de Moraes MO, Dos Santos CC, Nobre Júnior HV. Anticandidal activity of Croton heliotropiifolius Kunth essential oil is enhanced by N-acetylcysteine and itraconazole. Future Microbiol 2024:1-12. [PMID: 39101446 DOI: 10.1080/17460913.2024.2380601] [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: 02/15/2024] [Accepted: 07/12/2024] [Indexed: 08/06/2024] Open
Abstract
Aim: Evaluate the anticandidal effect of Croton heliotropiifolius Kunth essential oil and its interaction with azoles and N-acetylcysteine (NAC) against planktonic cells and biofilms. Materials & methods: Broth microdilution and checkerboard methods were used to evaluate the individual and combined activity with fluconazole and itraconazole (ITRA). The antibiofilm effect of the oil was assessed in 96-well plates alone and combined with ITRA and NAC, and cytotoxicity determined by MTT. Results: The oil inhibited all Candida species growth. The activity was enhanced when associated with ITRA and NAC for planktonic cells and biofilms in formation. The effective concentrations were lower than the toxic ones to V79 cells. Conclusion: C. heliotropiifolius Kunth essential oil is an anticandidal alternative, and can be associated with ITRA and NAC.
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Affiliation(s)
- Bruno Coêlho Cavalcanti
- Drug Research & Development Center (NPDM), Federal University of Ceará, Fortaleza, CE, Brazil
| | - Islay Lima Magalhães
- Drug Research & Development Center (NPDM), Federal University of Ceará, Fortaleza, CE, Brazil
| | - Daniel Sampaio Rodrigues
- Drug Research & Development Center (NPDM), Federal University of Ceará, Fortaleza, CE, Brazil
- School of Pharmacy, Laboratory of Bioprospection in Antimicrobial Molecules (LABIMAN), Federal University of Ceará, Fortaleza, CE, Brazil
| | - Vitória Pessoa de Farias Cabral
- Drug Research & Development Center (NPDM), Federal University of Ceará, Fortaleza, CE, Brazil
- School of Pharmacy, Laboratory of Bioprospection in Antimicrobial Molecules (LABIMAN), Federal University of Ceará, Fortaleza, CE, Brazil
| | - Amanda Dias Barbosa
- Drug Research & Development Center (NPDM), Federal University of Ceará, Fortaleza, CE, Brazil
- School of Pharmacy, Laboratory of Bioprospection in Antimicrobial Molecules (LABIMAN), Federal University of Ceará, Fortaleza, CE, Brazil
| | - Lívia Gurgel do Amaral Valente Sá
- Drug Research & Development Center (NPDM), Federal University of Ceará, Fortaleza, CE, Brazil
- School of Pharmacy, Laboratory of Bioprospection in Antimicrobial Molecules (LABIMAN), Federal University of Ceará, Fortaleza, CE, Brazil
- Christus University Center (UNICHRISTUS), Fortaleza, CE, Brazil
| | - Lisandra Juvêncio da Silva
- Drug Research & Development Center (NPDM), Federal University of Ceará, Fortaleza, CE, Brazil
- School of Pharmacy, Laboratory of Bioprospection in Antimicrobial Molecules (LABIMAN), Federal University of Ceará, Fortaleza, CE, Brazil
| | - João Batista de Andrade Neto
- Drug Research & Development Center (NPDM), Federal University of Ceará, Fortaleza, CE, Brazil
- School of Pharmacy, Laboratory of Bioprospection in Antimicrobial Molecules (LABIMAN), Federal University of Ceará, Fortaleza, CE, Brazil
- Christus University Center (UNICHRISTUS), Fortaleza, CE, Brazil
| | - Cecília Rocha da Silva
- Drug Research & Development Center (NPDM), Federal University of Ceará, Fortaleza, CE, Brazil
- School of Pharmacy, Laboratory of Bioprospection in Antimicrobial Molecules (LABIMAN), Federal University of Ceará, Fortaleza, CE, Brazil
| | | | - Cláudio Costa Dos Santos
- Drug Research & Development Center (NPDM), Federal University of Ceará, Fortaleza, CE, Brazil
- Department of Engineering & Technology, Federal University of the Semiarid Region, Mossoró, RN, Brazil
| | - Hélio Vitoriano Nobre Júnior
- Drug Research & Development Center (NPDM), Federal University of Ceará, Fortaleza, CE, Brazil
- School of Pharmacy, Laboratory of Bioprospection in Antimicrobial Molecules (LABIMAN), Federal University of Ceará, Fortaleza, CE, Brazil
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Lin L, Zhuo Y, Dong Q, Yang C, Cheng C, Liu T. Plasma activated Ezhangfeng Cuji as innovative antifungal agent and its inactivation mechanism. AMB Express 2023; 13:65. [PMID: 37368076 DOI: 10.1186/s13568-023-01571-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 06/12/2023] [Indexed: 06/28/2023] Open
Abstract
Candida albicans is a highly drug-resistant fungus for which new treatments are urgently needed due to the lack of clinically effective options. In this study, we evaluated the antifungal activity and mechanism of plasma-activated Ezhangfeng Cuji (PAEC) against Candida albicans and compared it with physiological saline (PS), plasma-activated physiological saline (PAPS) and Ezhangfeng Cuji (EC). After dielectric barrier discharge (DBD) plasma treatment with EC for 20 min followed by a 10 min immersion of Candida albicans, the fungus was reduced by approximately 3 orders of magnitude. High performance liquid chromatography (HPLC) results showed an increase of 41.18% and 129.88% in the concentration of oxymatrine and rhein, respectively, after plasma-treated EC. The concentrations of reactive species (RS), such as H2O2, [Formula: see text], and O3, were found to be higher and the pH value was getting lower in PS after plasma treatment. Detailed analysis of intracellular material leakage, reactive oxygen species (ROS), apoptosis for Candida albicans and observation by transmission electron microscopy (TEM) and scanning electron microscopy (SEM) demonstrated that PAPS, EC and PAEC disrupt the morphological structure of Candida albicans to varying degrees.Additionally, specific analyses on Candida albicans virulence factors, such as adhesion to tissue surfaces, cell surface hydrophobicity (CSH), the transition of yeast-phase cells to mycelium-phase cells, and the secretion of hydrolytic enzymes for Candida albicans were conducted and found to be inhibited after PAPS/EC/PAEC treatment. In our investigation, the inhibitory effects on Candida albicans were ranked from strong to weak as follows: PAEC, EC, PAPS, and PS.
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Affiliation(s)
- Lin Lin
- The Postgraduate School of Anhui, University of Chinese Medicine, Hefei, 230012, People's Republic of China
| | - Yue Zhuo
- Department of Dermatology, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, 230012, People's Republic of China
- Nanjing University of Chinese Medicine, Nanjing, 210023, People's Republic of China
| | - Qiran Dong
- Department of Dermatology, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, 230012, People's Republic of China
| | - Chunjun Yang
- Department of Dermatology, The Second Affiliated Hospital, Anhui Medical University, Hefei, 230601, People's Republic of China
| | - Cheng Cheng
- Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China
| | - Taofeng Liu
- Department of Dermatology, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, 230012, People's Republic of China.
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Antifungal effect of the liposome encapsulation of the Trans- Caryophylene and its association with fluconazole. Chem Biol Interact 2023; 373:110377. [PMID: 36754224 DOI: 10.1016/j.cbi.2023.110377] [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: 01/04/2023] [Revised: 01/25/2023] [Accepted: 01/31/2023] [Indexed: 02/08/2023]
Abstract
Trans-Caryophyllene (TC), a sesquiterpene, with proven biological activities, which in this work was tested alone, encapsulated in liposomes and associated with Fluconazole in vitro in an attempt to enhance the effect of the drug. Liposomes were characterized from vesicle size, polydispersity index, and Zeta potential, and imaging by scanning electron microscopy. Antifungal assays were performed against Candida albicans, Candida tropicalis and Candida krusei by microdilution to determine the IC50 values and the viability curve. The Minimum Fungicidal Concentration (MFC) was performed by subcultivation in solid medium and the inhibitory effect of the association of TC and Fluconazole and tests to verify morphological changes was performed in micro-cultivation chambers based on concentrations on microdilution plates. The corresponding IC50 data of the substances ranged from 34.4 to 65249 μg/mL, considerably high values compared to the control (Fluconazole). The MFC of all compounds showing fungistatic effect. The performance of the compounds on the cell viability curve was similar in all tested strains, as they showed no antifungal potential when compared to the control (FCZ), when associated with FCZ they showed no significant antifungal activity. The free and liposomal TC also managed to restrict 100% of the fungal dimorphism, in both concentrations, against C. albicans, and against C. tropicalis the isolated TC did not show a significant inhibitory effect; however, against the C. krusei strain inhibited 100% in filamentous growth in both concentrations, which is statistically relevant. The liposomes were homogeneous, with vesicles with diameters of 185.46 nm for the control and 143.8 nm for the liposomal TC, and a surface charge potential of - 42.6 mV. By scanning microscopy, the spherical shapes of the vesicles were verified.
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Dai L, Xie J, Liu Y, Chen H, Zheng J. The cytochrome P450s of Leptographium qinlingensis: Gene characteristics, phylogeny, and expression in response to terpenoids. Fungal Biol 2022; 126:395-406. [DOI: 10.1016/j.funbio.2022.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 04/26/2022] [Accepted: 05/05/2022] [Indexed: 11/04/2022]
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Ghavam M, Manconi M, Manca ML, Bacchetta G. Extraction of essential oil from Dracocephalum kotschyi Boiss. (Lamiaceae), identification of two active compounds and evaluation of the antimicrobial properties. JOURNAL OF ETHNOPHARMACOLOGY 2021; 267:113513. [PMID: 33172599 DOI: 10.1016/j.jep.2020.113513] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/17/2020] [Accepted: 10/20/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Dracocephalum kotschyi is a medicinal plant widely used in traditional medicine to treat pain, fever, inflammation, and seizures. AIM OF THE STUDY Due to the importance of this plant and the well-known antibacterial activity of essential oils, the aim of the present study was to investigate the composition of essential oil and evaluate the antimicrobial activity of its main active compounds. MATERIALS AND METHODS In order to test its possible application at industrial level the oil was extract from the cultivated and wild plants. The epigean parts were collected in June 2018 from the same region of Daran (Isfahan, Iran). The extraction of essential oil was carried out using a Clevenger apparatus. The composition of the essential oil was assayed by using a gas chromatography/mass spectroscopy apparatus (GC/MS). RESULTS Results showed that the predominant compounds of essential oil of cultivated plants were α-pinene (13.66%), (E)-citral (12.89%), neral (11.25%), methyl geranate (8.66%), limonene (8.33%), campholenal (6.22%) and geraniol (5.69%), while those found in naturally grown plants were two main compounds: cyclohexylallene (52.63%) and limonene (35.88%). The antimicrobial properties of the plant were determined against 12 strains of microorganism by evaluating inhibition halo, minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). The highest inhibition halo for both oils from cultivated and wild plants was obtained against Aspergillus brasiliensis. The MIC value against Gram-positive Bacillus subtilis was 31.25 μg/ml, it was the lowest value provided by the essential oil obtained from the cultivated sample, the MIC was significantly lower than that obtained by treating the same strain with Rifampin. On the other hand, Candida albicans had the highest sensitivity (MIC value of 31.25 μg/ml) for the essential oil obtained from wild plants as the inhibitory concentration was lower than that obtained treating the yeast with Nystatin. CONCLUSIONS Therefore, according to the results of the present study, the use of the essential oil obtained from D. kotschyi can be used to protect food and to treat microbial infections.
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Affiliation(s)
- Mansureh Ghavam
- Department of Range and Watershed Management, Faculty of Natural Resources and Earth Sciences, University of Kashan, Kashan, Iran.
| | - Maria Manconi
- Department Life and Environmental Sciences, University of Cagliari, Cagliari, Italy
| | - Maria Letizia Manca
- Department Life and Environmental Sciences, University of Cagliari, Cagliari, Italy
| | - Gianluigi Bacchetta
- Department Life and Environmental Sciences, University of Cagliari, Cagliari, Italy; Hortus Botanicus Karalitanus (HBK), University of Cagliari, Italy
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Fan Y, Xin X, Liu L, Feng H, Wang P, Zhang Y, Gao D. Diversity Analysis and Associated Antimicrobial Activity of Essential Oil in Pyrrosia petiolosa. Chem Biodivers 2020; 17:e2000666. [PMID: 33052001 DOI: 10.1002/cbdv.202000666] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 10/13/2020] [Indexed: 11/11/2022]
Abstract
The continued development of folk medicine to potentially treat infectious diseases has resulted in an increase in natural sources of antimicrobial agents, particularly the use of plant essential oils containing volatile products from secondary metabolism. The objectives of this investigation were to (i) analyze the chemical components of essential oils using GC/MS and (ii) to examine their in vitro antimicrobial activities against four strains of bacteria (Staphylococcus aureus, Bacillus subtilis, Escherichia coli and Shigella flexneri) and one fungus (Candida albicans) by determining minimum inhibitory concentrations (MICs) and minimum bactericidal concentrations (MBCs) in liquid and solid media, respectively, from different Pyrrosia petiolosa locations. Eighty-eight evaporable compounds were confirmed in their essential oils; the major components in the oils were 2,4-pentadienal (12.5 %), phytol (10.5 %) and nonanal (8.6 %). Based on hierarchical cluster analysis, Pyrrosia samples were categorized into four groups, indicating significant essential oil diversity from different Pyrrosia locations. Results also indicated that essential oils had a broad spectrum of antibacterial activities, particularly against Shigella flexneri and Staphylococcus aureus with MICs of 5 μL/mL. Results from this investigation are the first to record the chemical component and antimicrobial potential of essential oils from different P. Petiolosa locations.
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Affiliation(s)
- Ya Fan
- School of Pharmacy, Shandong University of Traditional Chinese Medicine (TCM), Jinan, 250355, P. R. China
| | - Xiaowei Xin
- Shandong Drug and Food Vocational College, Weihai, 264210, P. R. China
| | - Li Liu
- School of Pharmacy, Shandong University of Traditional Chinese Medicine (TCM), Jinan, 250355, P. R. China
| | - Haiyang Feng
- School of Pharmacy, Shandong University of Traditional Chinese Medicine (TCM), Jinan, 250355, P. R. China
| | - Ping Wang
- School of Basic Medicine, Shandong University of TCM, Jinan, 250355, P. R. China
| | - Yingying Zhang
- School of Basic Medicine, Shandong University of TCM, Jinan, 250355, P. R. China
| | - Demin Gao
- School of Pharmacy, Shandong University of Traditional Chinese Medicine (TCM), Jinan, 250355, P. R. China
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Heredero-Bermejo I, Martín-Pérez T, Copa-Patiño JL, Gómez R, de la Mata FJ, Soliveri J, Pérez-Serrano J. Ultrastructural Study of Acanthamoeba polyphaga Trophozoites and Cysts Treated In Vitro with Cationic Carbosilane Dendrimers. Pharmaceutics 2020; 12:pharmaceutics12060565. [PMID: 32570829 PMCID: PMC7356815 DOI: 10.3390/pharmaceutics12060565] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 06/15/2020] [Accepted: 06/16/2020] [Indexed: 11/16/2022] Open
Abstract
Cationic carbosilane dendrimers are branched molecules with antimicrobial properties. Their activity has been tested against Acanthamoeba polyphaga, a causative agent of Acanthamoeba keratitis, a severe ocular disease in humans. A. polyphaga trophozoites and cysts were exposed to different noncytotoxic cationic carbosilane dendrimers with proven antiamoebic activity. The effects of treatment on cell surface and cell ultrastructure were examined by scanning and transmission electron microscopy, respectively. Two of the dendrimers tested induced dramatic alterations of cellular ultrastructure in both trophozoites and cysts, including vacuolization, depletion of cytoplasmic contents, and reduced cell size. Additionally, we observed severe alterations of the plasma membrane with membrane blebbing in trophozoites and disruption in cysts. These alterations were also observed with chlorhexidine, a drug used for treatment of Acanthamoeba keratitis. Our results support that these compounds may target membranes, and their action is critical for parasite integrity.
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Affiliation(s)
- Irene Heredero-Bermejo
- Department of Biomedicine and Biotechnology, Faculty of Pharmacy, University of Alcalá, Alcalá de Henares, 28805 Madrid, Spain; (T.M.-P.); (J.L.C.-P.); (J.S.); (J.P.-S.)
- Correspondence:
| | - Tania Martín-Pérez
- Department of Biomedicine and Biotechnology, Faculty of Pharmacy, University of Alcalá, Alcalá de Henares, 28805 Madrid, Spain; (T.M.-P.); (J.L.C.-P.); (J.S.); (J.P.-S.)
| | - José Luis Copa-Patiño
- Department of Biomedicine and Biotechnology, Faculty of Pharmacy, University of Alcalá, Alcalá de Henares, 28805 Madrid, Spain; (T.M.-P.); (J.L.C.-P.); (J.S.); (J.P.-S.)
| | - Rafael Gómez
- Department of Organic and Inorganic Chemistry, Research Institute on Chemistry “Andrés M. del Río” (IQAR), University of Alcalá, Alcalá de Henares, 28805 Madrid, Spain; (R.G.); (F.J.d.l.M.)
- Institute “Ramón y Cajal” for Health Research (IRYCIS), 28034 Madrid, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN) ISCIII, 28029 Madrid, Spain
| | - Francisco Javier de la Mata
- Department of Organic and Inorganic Chemistry, Research Institute on Chemistry “Andrés M. del Río” (IQAR), University of Alcalá, Alcalá de Henares, 28805 Madrid, Spain; (R.G.); (F.J.d.l.M.)
- Institute “Ramón y Cajal” for Health Research (IRYCIS), 28034 Madrid, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN) ISCIII, 28029 Madrid, Spain
| | - Juan Soliveri
- Department of Biomedicine and Biotechnology, Faculty of Pharmacy, University of Alcalá, Alcalá de Henares, 28805 Madrid, Spain; (T.M.-P.); (J.L.C.-P.); (J.S.); (J.P.-S.)
| | - Jorge Pérez-Serrano
- Department of Biomedicine and Biotechnology, Faculty of Pharmacy, University of Alcalá, Alcalá de Henares, 28805 Madrid, Spain; (T.M.-P.); (J.L.C.-P.); (J.S.); (J.P.-S.)
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Brilhante RS, Pereira VS, Oliveira JS, Rodrigues AM, de Camargo ZP, Pereira-Neto WA, Nascimento NR, Castelo-Branco DS, Cordeiro RA, Sidrim JJ, Rocha MF. Terpinen-4-ol inhibits the growth of Sporothrix schenckii complex and exhibits synergism with antifungal agents. Future Microbiol 2020; 14:1221-1233. [PMID: 31625442 DOI: 10.2217/fmb-2019-0146] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Aim: This study investigated the effect of terpinen-4-ol against Sporothrix schenckii complex and its interactions with antifungals. Materials & methods: The antifungal activity of terpinen-4-ol was evaluated by broth microdilution. The potential effect on cellular ergosterol concentration was evaluated by spectrophotometry. The antibiofilm activity was evaluated by violet crystal staining and XTT reduction assay. The potential pharmacological interactions with antifungals were evaluated by the checkerboard assay. Results: terpinen-4-ol (T-OH) showed minimal inhibitory concentrations ranging from 4 to 32 mg/l decreasing cellular ergosterol content and presented a SMIC ranging from 64 to 1024 mg/l for Sporothrix spp. The combinations of T-OH with itraconazole or terbinafine were synergistic. Conclusion: T-OH has antifungal activity against Sporothrix spp. and acts synergistically with standard antifungals.
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Affiliation(s)
- Raimunda Sn Brilhante
- Specialized Medical Mycology Center, Postgraduate Program in Medical Microbiology, Department of Pathology & Legal Medicine, Federal University of Ceará. Rua Coronel Nunes de Melo, 1315 - Rodolfo Teófilo - CEP: 60430-275, Fortaleza, Ceará, Brazil
| | - Vandbergue S Pereira
- Specialized Medical Mycology Center, Postgraduate Program in Medical Microbiology, Department of Pathology & Legal Medicine, Federal University of Ceará. Rua Coronel Nunes de Melo, 1315 - Rodolfo Teófilo - CEP: 60430-275, Fortaleza, Ceará, Brazil
| | - Jonathas S Oliveira
- Specialized Medical Mycology Center, Postgraduate Program in Medical Microbiology, Department of Pathology & Legal Medicine, Federal University of Ceará. Rua Coronel Nunes de Melo, 1315 - Rodolfo Teófilo - CEP: 60430-275, Fortaleza, Ceará, Brazil
| | - Anderson M Rodrigues
- Cellular Biology Division, Department of Microbiology, Immunology & Parasitology, Federal University of São Paulo, Rua Botucatu, 862, 6th floor, Medical Sciences Building, CEP: 04023-062, São Paulo, São Paulo, Brazil
| | - Zoilo P de Camargo
- Cellular Biology Division, Department of Microbiology, Immunology & Parasitology, Federal University of São Paulo, Rua Botucatu, 862, 6th floor, Medical Sciences Building, CEP: 04023-062, São Paulo, São Paulo, Brazil
| | - Waldemiro A Pereira-Neto
- Specialized Medical Mycology Center, Postgraduate Program in Medical Microbiology, Department of Pathology & Legal Medicine, Federal University of Ceará. Rua Coronel Nunes de Melo, 1315 - Rodolfo Teófilo - CEP: 60430-275, Fortaleza, Ceará, Brazil
| | - Nilberto Rf Nascimento
- Postgraduate Program in Veterinary Sciences, College of Veterinary, State University of Ceará. Av. Dr. Silas Munguba, 1700, Campus do Itaperi, CEP: 60714-903, Fortaleza, Ceará, Brazil
| | - Débora Scm Castelo-Branco
- Specialized Medical Mycology Center, Postgraduate Program in Medical Microbiology, Department of Pathology & Legal Medicine, Federal University of Ceará. Rua Coronel Nunes de Melo, 1315 - Rodolfo Teófilo - CEP: 60430-275, Fortaleza, Ceará, Brazil
| | - Rossana A Cordeiro
- Specialized Medical Mycology Center, Postgraduate Program in Medical Microbiology, Department of Pathology & Legal Medicine, Federal University of Ceará. Rua Coronel Nunes de Melo, 1315 - Rodolfo Teófilo - CEP: 60430-275, Fortaleza, Ceará, Brazil
| | - José Jc Sidrim
- Specialized Medical Mycology Center, Postgraduate Program in Medical Microbiology, Department of Pathology & Legal Medicine, Federal University of Ceará. Rua Coronel Nunes de Melo, 1315 - Rodolfo Teófilo - CEP: 60430-275, Fortaleza, Ceará, Brazil
| | - Marcos Fg Rocha
- Specialized Medical Mycology Center, Postgraduate Program in Medical Microbiology, Department of Pathology & Legal Medicine, Federal University of Ceará. Rua Coronel Nunes de Melo, 1315 - Rodolfo Teófilo - CEP: 60430-275, Fortaleza, Ceará, Brazil.,Postgraduate Program in Veterinary Sciences, College of Veterinary, State University of Ceará. Av. Dr. Silas Munguba, 1700, Campus do Itaperi, CEP: 60714-903, Fortaleza, Ceará, Brazil
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Mousavi SA, Ghotaslou R, Akbarzadeh A, Azima N, Aeinfar A, Khorramdel A. Evaluation of antibacterial and antifungal properties of a tissue conditioner used in complete dentures after incorporation of ZnO‒Ag nanoparticles. J Dent Res Dent Clin Dent Prospects 2019; 13:11-18. [PMID: 31217913 PMCID: PMC6571514 DOI: 10.15171/joddd.2019.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Accepted: 12/23/2018] [Indexed: 11/12/2022] Open
Abstract
Background. Incorporation of antifungal and antimicrobial agents into tissue conditioners might inhibit the formation of microbial plaque and prevent complications such as denture stomatitis. The present study was carried out to evaluate the antibacterial and antifungal properties of a tissue conditioner after incorporation of ZnO‒Ag nanoparticles into their structure.
Methods. In this in vitro study, 4 microorganisms were evaluated at 6 concentrations of ZnO‒Ag nanoparticles at 24- and 48-hour intervals, using 168 samples. The nanoparticles were mixed at a ratio of 50% Ag and 50% ZnO and were homogenized with the tissue conditioner at 0.625, 1.25, 2.5, 5, 10 and 20 wt% according to the MIC technique principles. After culturing the microorganisms, a spectrophotometer was used for determining proliferation of microorganisms with the use of turbidity after 24 and 48 hours of incubation at 37ºC.
Results. Complete inhibition of the proliferation of Candida albicans, Enterococcus faecalis and Pseudomonas aeruginosa was observed at 24- and 48-hour intervals at a concentration of 10%; such inhibition was observed at 20% concentration of nanoparticles with Streptococcus mutans. In addition, the most effective concentration of ZnO‒Ag nanoparticles at both 24- and 48-hour intervals was 5% with C. albicans and 2.5% with E. faecalis. In addition, the most effective concentration at 24- hour interval with S. mutans was 10% and with P. aeruginosa they were 5% at 24-hour and 2.5% at 48-hour intervals.
Conclusion. Incorporation of ZnO‒Ag nanoparticles into tissue conditioners resulted in the inhibition of bacterial proliferation
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Affiliation(s)
- Seyed Amin Mousavi
- Department of Prosthodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Ghotaslou
- Department of Medical Microbiology, Faculty of Medical, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Abolfazl Akbarzadeh
- Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Niloufar Azima
- Department of Pediatric, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Azin Khorramdel
- Department of Periodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
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Mubarak Z, Humaira A, Gani BA, Muchlisin ZA. Preliminary study on the inhibitory effect of seaweed Gracilaria verrucosa extract on biofilm formation of Candida albicans cultured from the saliva of a smoker. F1000Res 2018; 7:684. [PMID: 30210788 PMCID: PMC6107980 DOI: 10.12688/f1000research.14879.3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/29/2018] [Indexed: 11/23/2022] Open
Abstract
Background:Candida albicans is an opportunistic fungus that might infect the oral cavity. Increased colony numbers of
C. albicans in the mouth can be caused by multiple factors, such as smoking, weakened immune system, antibiotics use and immune-compromised condition. Smoking can increase expression of virulence factors of
C. albicans and make it stronger. One virulence factor of
C. albicans is biofilm formation. The ability of creating biofilm makes
C. albicans more tolerant to commercial antifungal agents. The objective of this preliminary study was to examine the ability of the seaweed
G.verrucosa extracts to inhibit the formation of biofilm by
C. albicans isolated from the saliva of a smoker. Methods: The extract of
G. verrucosa was prepared by maceration using 96% methanol and subjected for phytochemical analysis.
C. albicans was isolated from the saliva of a smoker who voluntarily participated in the study after providing informed consent. In triplicate, the fungus was cultured in the growth medium containing increased concentrations of
G. verrucosa (6.25, 12.5, 25, 50, 75 and 100% ).The same reaction using fluconazole 0.31 µg/ml
C. albicans was prepared as positive control. Biofilm formation was accessed based on optical density of cell mixtures using an ELISA reader. The data obtained were subjected to Kruskal-Wallis test at a significance limit of 0.05. Results: Methanol extract of seaweed
G. verrucosa contained three bio-active compounds namely steroids, terpenoid, and tannins. Inhibitory activity of seaweed extracts on
C. albicans biofilm formation increased as their concentration increased. The highest inhibitory effect was recorded at fungus culture treated with seaweed concentration of 25% at 24 hours of time exposure. Conclusions: Seaweed
G. verrucosa extract contained steroids, terpenoids and tannins that were able to effectively inhibit the formation of biofilm by
C. albicans at the concentration of 25%
after 24 hours of time exposure.
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Affiliation(s)
- Zaki Mubarak
- Faculty of Dentistry, Syiah Kuala University, Banda Aceh, 23111, Indonesia
| | - Adintya Humaira
- Faculty of Dentistry, Syiah Kuala University, Banda Aceh, 23111, Indonesia
| | - Basri A Gani
- Faculty of Dentistry, Syiah Kuala University, Banda Aceh, 23111, Indonesia
| | - Zainal A Muchlisin
- Faculty of Marine and Fisheries, Syiah Kuala University, Banda Aceh, 23111, Indonesia
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11
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Andrade V, Martínez A, Rojas N, Bello-Toledo H, Flores P, Sánchez-Sanhueza G, Catalán A. Antibacterial activity against Streptococcus mutans and diametrical tensile strength of an interim cement modified with zinc oxide nanoparticles and terpenes: An in vitro study. J Prosthet Dent 2018; 119:862.e1-862.e7. [DOI: 10.1016/j.prosdent.2017.09.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Revised: 09/20/2017] [Accepted: 09/21/2017] [Indexed: 11/29/2022]
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12
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Felipe LDO, Júnior WFDS, Araújo KCD, Fabrino DL. Lactoferrin, chitosan and Melaleuca alternifolia-natural products that show promise in candidiasis treatment. Braz J Microbiol 2018; 49:212-219. [PMID: 29132828 PMCID: PMC5913821 DOI: 10.1016/j.bjm.2017.05.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 04/03/2017] [Accepted: 05/26/2017] [Indexed: 02/06/2023] Open
Abstract
The evolution of microorganisms resistant to many medicines has become a major challenge for the scientific community around the world. Motivated by the gravity of such a situation, the World Health Organization released a report in 2014 with the aim of providing updated information on this critical scenario. Among the most worrying microorganisms, species from the genus Candida have exhibited a high rate of resistance to antifungal drugs. Therefore, the objective of this review is to show that the use of natural products (extracts or isolated biomolecules), along with conventional antifungal therapy, can be a very promising strategy to overcome microbial multiresistance. Some promising alternatives are essential oils of Melaleuca alternifolia (mainly composed of terpinen-4-ol, a type of monoterpene), lactoferrin (a peptide isolated from milk) and chitosan (a copolymer from chitin). Such products have great potential to increase antifungal therapy efficacy, mitigate side effects and provide a wide range of action in antifungal therapy.
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Affiliation(s)
| | | | | | - Daniela Leite Fabrino
- Universidade Federal de São João del-Rei/Campus Alto Paraopeba, Minas Gerais, MG, Brazil
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13
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Pereira FG, Marquete R, Domingos LT, Rocha MEN, Ferreira-Pereira A, Mansur E, Moreira DL. Antifungal activities of the essential oil and its fractions rich in sesquiterpenes from leaves of Casearia sylvestris Sw. AN ACAD BRAS CIENC 2017; 89:2817-2824. [PMID: 29236852 DOI: 10.1590/0001-3765201720170339] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Accepted: 08/07/2017] [Indexed: 11/21/2022] Open
Abstract
Casearia genus (Salicaceae) is found in sub-tropical and tropical regions of the world and comprises about 160-200 species. It is a medicinal plant used in South America, also known as "guaçatonga", "erva-de-tiú", "cafezinho-do-mato". In Brazil, there are about 48 species and 12 are registered in the State of Rio de Janeiro, including Casearia sylvestris Sw. There are many studies related to the chemical profile and cytotoxic activities of extracts from these plants, although few studies about the antifungal potential of the essential oil have been reported. In this work, we have studied the antifungal properties of the essential oil of C. sylvestris leaves, as well as of their fractions, against four yeasts (Saccharomyces cerevisae, Candida albicans, C. glabrata and C. krusei) for the first time. The chemical analysis of the essential oil revealed a very diversified (n = 21 compounds) volatile fraction composed mainly of non-oxygenated sesquiterpenes (72.1%). These sesquiterpenes included α-humulene (17.8%) and α-copaene (8.5%) and the oxygenated sesquiterpene spathulenol (11.8%) were also identified. Monoterpenes were not identified. The fractions are mainly composed of oxygenated sesquiterpenes, and the most active fraction is rich in the sesquiterpene 14-hydroxy -9-epi-β-caryophyllene. This fraction was the most effective in inhibiting the growth of three yeast strains.
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Affiliation(s)
- Flaviane G Pereira
- Programa de Pós-Graduação em Biotecnologia Vegetal e Bioprocessos, Universidade Federal do Rio de Janeiro, Avenida Carlos Chagas Filho, 373, Edifício do Centro de Ciências da Saúde, Bloco K, 2º andar, sala K 032, Cidade Universitária, Ilha do Fundão, 21941-902 Rio de Janeiro, RJ, Brazil
| | - Ronaldo Marquete
- Fundação Instituto Brasileiro de Geografia e Estatística, Diretoria de Geociências, Avenida República do Chile, 500, 15º andar, Centro, 20031-170 Rio de Janeiro, RJ, Brazil
| | - Levy T Domingos
- Instituto de Microbiologia Professor Paulo de Góes, Departamento de Microbiologia Geral, Universidade Federal do Rio de Janeiro, Avenida Carlos Chagas Filho, 373, Edifício do Centro de Ciências da Saúde, Bloco I, 1º andar, sala I044, Cidade Universitária, Ilha do Fundão, 21941-902 Rio de Janeiro, RJ, Brazil
| | - Marco E N Rocha
- Fundação Oswaldo Cruz, Departamento de Produtos Naturais, Instituto de Tecnologia Fármacos, Farmanguinhos, Rua Sizenando Nabuco, 100, Manguinhos, 21040-900 Rio de Janeiro, RJ, Brazil
| | - Antonio Ferreira-Pereira
- Instituto de Microbiologia Professor Paulo de Góes, Departamento de Microbiologia Geral, Universidade Federal do Rio de Janeiro, Avenida Carlos Chagas Filho, 373, Edifício do Centro de Ciências da Saúde, Bloco I, 1º andar, sala I044, Cidade Universitária, Ilha do Fundão, 21941-902 Rio de Janeiro, RJ, Brazil
| | - Elisabeth Mansur
- Universidade do Estado do Rio de Janeiro, Instituto de Biologia Roberto Alcantara Gomes, Departamento de Biologia Celular, Rua São Francisco Xavier, 524, sala 505 PHLC, Maracanã, 20550-013 Rio de Janeiro, RJ, Brazil
| | - Davyson L Moreira
- Fundação Oswaldo Cruz, Departamento de Produtos Naturais, Instituto de Tecnologia Fármacos, Farmanguinhos, Rua Sizenando Nabuco, 100, Manguinhos, 21040-900 Rio de Janeiro, RJ, Brazil
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14
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Martínez A, Catalán A, Rojas N, Torres V, Acuña M. In Vitro Effectiveness of a Terpenic Denture Cleanser on Old Biofilm Surfaces. J Prosthodont 2016; 27:57-62. [PMID: 27598657 DOI: 10.1111/jopr.12531] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/15/2016] [Indexed: 11/30/2022] Open
Abstract
PURPOSE To assess the effects of terpenic denture cleanser on denture biofilm removal using scanning electron microscopy (SEM). MATERIALS AND METHODS The internal surface biofilm of four maxillary dentures was elucidated with Caristop-revelador Dual Tone, and 40 blue-stained specimens (0.6 cm × 0.4 cm × 2 mm) were obtained. These specimens were randomly assigned to one of the following four groups of 10 specimens each: control, Eci Clean, Fitty Dent, and terpenic denture cleanser. The period of immersion in each solution was 12 hours. Biofilm removal was evaluated using SEM, and morphologically varying areas of the SEM images were quantified with Imaris software. The data were analyzed using Kolmogorov-Smirnov, t-tests, ANOVA, and Tamhane's tests (p = 0.05). RESULTS Data revealed that terpenic denture cleanser removed significantly more biofilm than any other treatment examined in this study. The t-tests revealed significant differences in the clean area that resulted from the use of the terpenic cleanser compared with the clean area that resulted from the use of Eci Clean (p = 0.013). Fitty Dent was the least effective and left dirty acrylic resin. The average areas with few removed layers were 59.3%, 43.3%, and 9.5% in Fitty Dent, Eci Clean, and terpenic cleanser groups, respectively. Tamhane's tests indicated that the Eci Clean and Fitty Dent groups were significantly different from the 0.5% terpenic cleanser group (p = 0.008). CONCLUSION The terpenic denture cleanser was effective in removing denture biofilm.
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Affiliation(s)
- Alejandra Martínez
- Oral Rehabilitation Graduate, School of Dentistry, University of Concepción, Chile
| | - Alfonso Catalán
- Oral Rehabilitation Graduate, School of Dentistry, University of Concepción, Chile
| | - Ninón Rojas
- Biotechnology Center, University of Concepción, Chile
| | - Viviana Torres
- Center for Advanced Microscopy (CMA Bio-Bio), University of Concepción, Chile
| | - Mónica Acuña
- National Health Service - Consultorio Victor Manuel Fernández, Concepcion, Chile
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15
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Cytochrome P450 complement (CYPome) of Candida oregonensis, a gut-associated yeast of bark beetle, Dendroctonus rhizophagus. Fungal Biol 2016; 120:1077-89. [PMID: 27567714 DOI: 10.1016/j.funbio.2016.06.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 06/01/2016] [Accepted: 06/08/2016] [Indexed: 01/20/2023]
Abstract
Bark beetles (Curculionidae: Scolytinae) and associated microorganisms must overcome a complex tree's defence system, which includes toxic monoterpenes, to successfully complete their life cycle. A number of studies have suggested these microorganisms could have ecological roles related with the nutrition, detoxification, and semiochemical production. In particular, in filamentous fungi symbionts, cytochrome P450 (CYP) have been involved with terpenoid detoxification and biotransformation processes. Candida oregonensis has been isolated from the gut, ovaries, and frass of different bark beetle species, and it is a dominant species in the Dendroctonus rhizophagus gut. In this study, we identify, characterise, and infer the phylogenetic relationships of C. oregonensis CYP genes. The results indicate that the cytochrome P450 complement (CYPome) is composed of nine genes (CYP51F1, CYP61A1, CYP56D1, CYP52A59, CYP52A60, CYP52A61, CYP52A62, CYP5217A8, and CYP5217B1), which might participate in primary metabolic reactions such as sterol biosynthesis, biodegradation of xenobiotic, and resistance to environmental stress. The prediction of the cellular location suggests that these CYPs to be anchored to the plasma membrane, membranes of the endoplasmic reticulum, mitochondria, and peroxisomes. These findings lay the foundation for future studies about the functional role of P450s, not only for yeasts, but also for the insects with which they interact.
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