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Fiala J, Roach T, Holzinger A, Husiev Y, Delueg L, Hammerle F, Armengol ES, Schöbel H, Bonnet S, Laffleur F, Kranner I, Lackner M, Siewert B. The Light-activated Effect of Natural Anthraquinone Parietin against Candida auris and Other Fungal Priority Pathogens. PLANTA MEDICA 2024; 90:588-594. [PMID: 38843798 PMCID: PMC11156500 DOI: 10.1055/a-2249-9110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 01/05/2024] [Indexed: 06/10/2024]
Abstract
Antimicrobial photodynamic therapy (aPDT) is an evolving treatment strategy against human pathogenic microbes such as the Candida species, including the emerging pathogen C. auris. Using a modified EUCAST protocol, the light-enhanced antifungal activity of the natural compound parietin was explored. The photoactivity was evaluated against three separate strains of five yeasts, and its molecular mode of action was analysed via several techniques, i.e., cellular uptake, reactive electrophilic species (RES), and singlet oxygen yield. Under experimental conditions (λ = 428 nm, H = 30 J/cm2, PI = 30 min), microbial growth was inhibited by more than 90% at parietin concentrations as low as c = 0.156 mg/L (0.55 µM) for C. tropicalis and Cryptococcus neoformans, c = 0.313 mg/L (1.10 µM) for C. auris, c = 0.625 mg/L (2.20 µM) for C. glabrata, and c = 1.250 mg/L (4.40 µM) for C. albicans. Mode-of-action analysis demonstrated fungicidal activity. Parietin targets the cell membrane and induces cell death via ROS-mediated lipid peroxidation after light irradiation. In summary, parietin exhibits light-enhanced fungicidal activity against all Candida species tested (including C. auris) and Cryptococcus neoformans, covering three of the four critical threats on the WHO's most recent fungal priority list.
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Affiliation(s)
- Johannes Fiala
- Department of Pharmacognosy, Institute of Pharmacy, Center for Molecular Biosciences Innsbruck, University of Innsbruck, Austria
| | - Thomas Roach
- Department of Botany, University of Innsbruck, Austria
| | | | - Yurii Husiev
- Leiden Institute of Chemistry, Leiden University, Netherlands
| | - Lisa Delueg
- Department of Pharmacognosy, Institute of Pharmacy, Center for Molecular Biosciences Innsbruck, University of Innsbruck, Austria
| | - Fabian Hammerle
- Department of Pharmacognosy, Institute of Pharmacy, Center for Molecular Biosciences Innsbruck, University of Innsbruck, Austria
| | - Eva Sanchez Armengol
- Department of Technology, Institute of Pharmacy, Center for Molecular Biosciences Innsbruck, University of Innsbruck, Austria
| | | | | | - Flavia Laffleur
- Department of Technology, Institute of Pharmacy, Center for Molecular Biosciences Innsbruck, University of Innsbruck, Austria
| | - Ilse Kranner
- Department of Botany, University of Innsbruck, Austria
| | - Michaela Lackner
- Institute of Hygiene und Medical Microbiology, Medical University of Innsbruck, Austria
| | - Bianka Siewert
- Department of Pharmacognosy, Institute of Pharmacy, Center for Molecular Biosciences Innsbruck, University of Innsbruck, Austria
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Balakrishnan D, Lee CI. Photodynamic impact of curcumin enhanced silver functionalized graphene nanocomposites on Candida virulence. DISCOVER NANO 2024; 19:71. [PMID: 38683264 PMCID: PMC11058173 DOI: 10.1186/s11671-024-04017-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 04/18/2024] [Indexed: 05/01/2024]
Abstract
Candida species are escalating resistance to conventional antifungal treatments, intensifying their virulence, and obstructing the effectiveness of antifungal medications. Addressing this challenge is essential for effectively managing Candida infections. The overarching objective is to advance the development of more efficient and precise therapies tailored to counter Candida infections. This study focuses on developing antifungal combined drugs using curcumin-enhanced silver-functionalized graphene nanocomposites (Cur-AgrGO) to effectively target key virulence factors of C. albicans, C. tropicalis, and C. glabrata (Candida spp.). The green reduction of graphene oxide (GO) using bioentities and active molecules makes this approach cost-effective and environmentally friendly. The nanocomposites were characterized using various techniques. Combining Cur-AgrGO with photodynamic therapy (PDT) demonstrated effective antifungal and antibiofilm activity with delayed growth and metabolism. The nanocomposites effectively suppressed hyphal transition and reduced key virulence factors, including proteinases, phospholipases, ergosterol levels, and cell membrane integrity. The findings suggest that Cur-AgrGO + PDT has potential as a treatment option for Candida infections. This innovative approach holds promise for treating Candida infections.
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Affiliation(s)
| | - Cheng-I Lee
- Department of Biomedical Sciences, National Chung Cheng University, Min-Hsiung, Chiayi, 62102, Taiwan, ROC.
- Center for Nano Bio-Detections, National Chung Cheng University, Min-Hsiung, Chiayi, 62102, Taiwan, ROC.
- Center for Innovative Research On Aging Society (CIRAS), National Chung Cheng University, Min-Hsiung, Chiayi, 62102, Taiwan, ROC.
- Advanced Institute of Manufacturing With High-Tech Innovations, National Chung Cheng University, Chiayi, 62102, Taiwan, ROC.
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Ahrari F, Nazifi M, Mazhari F, Ghazvini K, Menbari S, Fekrazad R, Babaei K, Banihashemrad A. Photoinactivation Effects of Curcumin, Nano-curcumin, and Erythrosine on Planktonic and Biofilm Cultures of Streptococcus mutans. J Lasers Med Sci 2024; 15:e7. [PMID: 38655044 PMCID: PMC11033858 DOI: 10.34172/jlms.2024.07] [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: 08/11/2023] [Accepted: 12/06/2023] [Indexed: 04/26/2024]
Abstract
Introduction: This in vitro study was conducted to assess the phototoxic effects of curcumin, nano-curcumin, and erythrosine on the viability of Streptococcus mutans (S. mutans) in suspension and biofilm forms. Methods: Various concentrations of curcumin (1.5 g/L, 3 g/L), nano-curcumin (3 g/L), and erythrosine (100 μM/L, 250 μM/L) were examined for their impact on planktonic and biofilm cultures of S. mutans, either individually or in conjunction with light irradiation (photodynamic therapy or PDT). A blue light-emitting diode (LED) with a central wavelength of 450 nm served as the light source. The results were compared to 0.12% chlorhexidine digluconate (CHX) as the positive control, and a solution containing neither a photosensitizer (PS) nor a light source as the negative control group. The dependent variable was the number of viable microorganisms per experiment (CFU/mL). Results: Antimicrobial PDT caused a significant reduction in the viability of S. mutans in both planktonic and biofilm forms, compared to the negative control group (P<0.05). The highest cell killing was observed in PDT groups with curcumin 3 g/L or erythrosine 250 μmol/L, although the difference with PDT groups using curcumin 1.5 g/L or erythrosine 100 μmol/L was not significant (P>0.05). Antimicrobial treatments were more effective against planktonic S. mutans than the biofilm form. Conclusion: PDT with either curcumin 1.5 g/L or erythrosine 100 μmol/L may be suggested as an alternative to CHX to inactivate the bacteria in dental plaque or deep cavities. Nano-curcumin, at the selected concentration, exhibited lower efficacy in killing S. mutans compared to Curcumin or erythrosine.
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Affiliation(s)
- Farzaneh Ahrari
- Dental Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Morteza Nazifi
- Student Research Committee, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Fatemeh Mazhari
- Dental Materials Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Kiarash Ghazvini
- Antimicrobial Resistance Research Center, Department of Microbiology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shaho Menbari
- Department of Medical Laboratory Sciences, School of Paramedical, Kurdistan University of Medical Sciences, Sanandaj, Iran
- Antimicrobial Resistance Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Reza Fekrazad
- Radiation Sciences Research Center, AJA University of Medical Sciences, Tehran, Iran
- International Network for Photo Medicine and Photo Dynamic Therapy (INPMPDT), Universal Scientific Education and Research, Network (USERN), Tehran, Iran
| | - Kourosh Babaei
- Student Research Committee, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ahmad Banihashemrad
- Department of Restorative, Preventive, and Pediatric Dentistry, University of Bern, Bern, Switzerland
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Medaglia S, Otri I, Bernardos A, Marcos MD, Aznar E, Sancenón F, Martínez-Máñez R. Synergistic antimicrobial photodynamic therapy using gated mesoporous silica nanoparticles containing curcumin and polymyxin B. Int J Pharm 2024; 654:123947. [PMID: 38408553 DOI: 10.1016/j.ijpharm.2024.123947] [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: 11/20/2023] [Revised: 02/14/2024] [Accepted: 02/23/2024] [Indexed: 02/28/2024]
Abstract
Photodynamic Therapy is a therapy based on combining a non-toxic compound, known as photosensitizer (PS), and irradiation with light of the appropriate wavelength to excite the PS molecule. The photon absorption by the PS leads to reactive oxygen species generation and a subsequent oxidative burst that causes cell damage and death. In this work, we report an antimicrobial nanodevice that uses the activity of curcumin (Cur) as a PS for antimicrobial Photodynamic Therapy (aPDT), based on mesoporous silica nanoparticles in which the action of the classical antibiotic PMB is synergistically combined with the aPDT properties of curcumin to combat bacteria. The synergistic effect of the designed gated device in combination with irradiation with blue LED light (470 nm) is evaluated against Escherichia coli, Pseudomonas aeruginosa and Staphylococcus epidermidis. The results show that the nanodevice exhibits a noteworthy antibacterial activity against these microorganisms, a much more significant effect than free Cur and PMB at equivalent concentrations. Thus, 0.1 µg/mL of MSNs-Cur-PMB eliminates a bacterial concentration of about 105 CFU/mL of E. coli, while 1 µg/mL of MSNs-Cur-PMB is required for P. aeruginosa and S. epidermidis. In addition, antibiofilm activity against the selected bacteria was also tested. We found that 0.1 mg/mL of MSNs-Cur-PMB inhibited 99 % biofilm formation for E. coli, and 1 mg/mL of MSNs-Cur-PMB achieved 90 % and 100 % inhibition of biofilm formation for S. epidermidis and P. aeruginosa, respectively.
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Affiliation(s)
- Serena Medaglia
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Ismael Otri
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Andrea Bernardos
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III, 28029 Madrid, Spain; Departamento de Química, Universidad Politécnica de Valencia, Cami de Vera s/n, 46022 Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain
| | - María Dolores Marcos
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III, 28029 Madrid, Spain; Departamento de Química, Universidad Politécnica de Valencia, Cami de Vera s/n, 46022 Valencia, Spain; Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, Instituto de Investigación Sanitaria La Fe (IISLAFE), Av Fernando Abril Martorell 106, 46026 Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain.
| | - Elena Aznar
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III, 28029 Madrid, Spain; Departamento de Química, Universidad Politécnica de Valencia, Cami de Vera s/n, 46022 Valencia, Spain; Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, Instituto de Investigación Sanitaria La Fe (IISLAFE), Av Fernando Abril Martorell 106, 46026 Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain.
| | - Félix Sancenón
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III, 28029 Madrid, Spain; Departamento de Química, Universidad Politécnica de Valencia, Cami de Vera s/n, 46022 Valencia, Spain; Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, Instituto de Investigación Sanitaria La Fe (IISLAFE), Av Fernando Abril Martorell 106, 46026 Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain
| | - Ramón Martínez-Máñez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de Valencia, Universitat de València, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III, 28029 Madrid, Spain; Departamento de Química, Universidad Politécnica de Valencia, Cami de Vera s/n, 46022 Valencia, Spain; Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, Instituto de Investigación Sanitaria La Fe (IISLAFE), Av Fernando Abril Martorell 106, 46026 Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain
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5
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Silvestre ALP, Dos Santos AM, de Oliveira AB, Ferrisse TM, Brighenti FL, Meneguin AB, Chorilli M. Evaluation of photodynamic therapy on nanoparticles and films loaded-nanoparticles based on chitosan/alginate for curcumin delivery in oral biofilms. Int J Biol Macromol 2023; 240:124489. [PMID: 37076077 DOI: 10.1016/j.ijbiomac.2023.124489] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 04/02/2023] [Accepted: 04/13/2023] [Indexed: 04/21/2023]
Abstract
Nanoparticles and nanoparticle-loaded films based on chitosan/sodium alginate with curcumin (CUR) are promising strategies to improve the efficacy of antimicrobial photodynamic therapy (aPDT) for the treatment of oral biofilms. This work aimed to develop and evaluate the nanoparticles based on chitosan and sodium alginate encapsulated with CUR dispersed in polymeric films associated with aPDT in oral biofilms. The NPs were obtained by polyelectrolytic complexation, and the films were prepared by solvent evaporation. The photodynamic effect was evaluated by counting Colony Forming Units (CFU/mL). Both systems showed adequate characterization parameters for CUR release. Nanoparticles controlled the release of CUR for a longer period than the nanoparticle-loaded films in simulated saliva media. Control and CUR-loaded nanoparticles showed a significant reduction of 3 log10 CFU/mL against S. mutans biofilms, compared to treatment without light. However, biofilms of S. mutans showed no photoinactivation effect using films loaded with nanoparticles even in the presence of light. These results demonstrate the potential of chitosan/sodium alginate nanoparticles associated with aPDT as carriers for the oral delivery of CUR, offering new possibilities to improve the treatment of dental caries and infections. This work will contribute to advances in the search for innovative delivery systems in dentistry.
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Affiliation(s)
- Amanda Letícia Polli Silvestre
- UNESP, São Paulo State University, School of Pharmaceutical Sciences, Department of Drugs and Pharmaceutics, Araraquara, SP 14800-903, Brazil
| | - Aline Martins Dos Santos
- UNESP, São Paulo State University, School of Pharmaceutical Sciences, Department of Drugs and Pharmaceutics, Araraquara, SP 14800-903, Brazil
| | - Analú Barros de Oliveira
- UNESP, São Paulo State University, School of Dentistry, Department of Restorative Dentistry, 14801-385 Araraquara, SP, Brazil
| | - Túlio Morandin Ferrisse
- UNESP, São Paulo State University, School of Dentistry, Department of Dental Materials and Prosthodontics, 14801-385 Araraquara, SP, Brazil
| | - Fernanda Lourenção Brighenti
- UNESP, São Paulo State University, School of Dentistry, Department of Restorative Dentistry, 14801-385 Araraquara, SP, Brazil
| | - Andréia Bagliotti Meneguin
- UNESP, São Paulo State University, School of Pharmaceutical Sciences, Department of Drugs and Pharmaceutics, Araraquara, SP 14800-903, Brazil
| | - Marlus Chorilli
- UNESP, São Paulo State University, School of Pharmaceutical Sciences, Department of Drugs and Pharmaceutics, Araraquara, SP 14800-903, Brazil.
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6
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Photodynamic antimicrobial therapy (AmPDT) using 1,9-Dimethyl-Methylene Blue zinc chloride double salt - DMMB and λ640 ± 5ηm LED light in patients undertaking orthodontic treatment. Photodiagnosis Photodyn Ther 2023; 42:103503. [PMID: 36907259 DOI: 10.1016/j.pdpdt.2023.103503] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/02/2023] [Accepted: 03/07/2023] [Indexed: 03/12/2023]
Abstract
Orthodontic treatment involves the use of apparatuses that impairs oral hygiene making patients susceptible to periodontal diseases and caries. To prevent increased antimicrobial resistance AmPDT has shown itself a feasible option. The aim of this investigation was to assess the efficiency of AmPDT employing 1,9-Dimethyl-Methylene Blue zinc chloride double salt - DMMB as a photosensitizing agent combined with red LED irradiation (λ640 ± 5 ηm) against oral biofilm of patients undertaking orthodontic treatment. Twenty-one patients agreed to participate. Four biofilm collections were carried out on brackets and gingiva around inferior central incisors; first was carried out before any treatment (Control); second followed five minutes of pre-irradiation, the third was immediately after the first AmPDT, and the last after a second AmPDT. Then, a microbiological routine for microorganism growth was carried out and, after 24-h, CFU counting was performed. There was significant difference between all groups. No significant difference was seen between Control and Photosensitizer and AmpDT1 and AmPDT2 groups. Significant differences were observed between Control and AmPDT1 and AmPDT2 groups, Photosensitizer and AmPDT1 and AmPDT2 groups. It was concluded that double AmPDT using DMBB in nano concentration and red LED was capable to meaningfully decrease the number of CFUs in orthodontic patients.
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7
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Nunes IPF, Crugeira PJL, Sampaio FJP, de Oliveira SCPS, Azevedo JM, Santos CLO, Soares LGP, Samuel IDW, Persheyev S, de Ameida PF, Pinheiro ALB. Evaluation of dual application of photodynamic therapy-PDT in Candida albicans. Photodiagnosis Photodyn Ther 2023; 42:103327. [PMID: 36773756 DOI: 10.1016/j.pdpdt.2023.103327] [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: 12/07/2022] [Revised: 02/03/2023] [Accepted: 02/06/2023] [Indexed: 02/11/2023]
Abstract
This study aimed to evaluate, in vitro, the efficacy of photodynamic therapy - PDT using dimethyl methylene blue zinc chloride double salt (DMMB) and red LED light on planktonic cultures of Candida albicans. The tests were performed using the ATCC 90,028 strain grown at 37 °C for 24 h, according to a growth curve of C. albicans. The colonies were resuspended in sterile saline adjusted to a concentration of 2 × 108 cells / mL, with three experimental protocols being tested (Protocol 1, 2 and 3) with a fixed concentration of 750 ɳg/mL obtained through the IC50, and energy density 20 J/cm2. Protocol 1 was carried out using conventional PDT, Protocol 2 was applied double PDT in a single session, and Protocol 3 was applied double PDT in two sessions with a 24 h interval. The results showed logarithmic reductions of 3 (4.252575 ± 0.068526) and 4 logs (2.669533 ± 0.058592) of total fungal load in protocols 3 and 2 respectively in comparison to the Control (6.633547 ± 0.065384). Our results indicated that double application in a single session of PDT was the most effective approach for inhibiting the proliferation of Candida albicans (99.991% inhibition).
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Affiliation(s)
- Iago P F Nunes
- Center of Biophotonics, School of Dentistry, Federal University of Bahia - UFBA, Av. Araújo Pinho, 62, Canela, Salvador, BA CEP: 40110-150, Brazil
| | - Pedro J L Crugeira
- Center of Biophotonics, School of Dentistry, Federal University of Bahia - UFBA, Av. Araújo Pinho, 62, Canela, Salvador, BA CEP: 40110-150, Brazil; Laboratory of Biotechnology and Ecology of Microorganisms, Institute of Health Science, Federal University of Bahia, Reitor Miguel Calmon Ave, S/N, Salvador, BA CEP:40110-100, Brazil
| | - Fernando J P Sampaio
- Center of Biophotonics, School of Dentistry, Federal University of Bahia - UFBA, Av. Araújo Pinho, 62, Canela, Salvador, BA CEP: 40110-150, Brazil
| | - Susana C P S de Oliveira
- Center of Biophotonics, School of Dentistry, Federal University of Bahia - UFBA, Av. Araújo Pinho, 62, Canela, Salvador, BA CEP: 40110-150, Brazil; School of Dentistry, Ruy Barbosa Wyden University Center University (UniRuy Wyden), Av. Luís Viana Filho, 3172 - Paralela, Salvador - BA CEP: 41720-200, Brazil
| | - Juliana M Azevedo
- Center of Biophotonics, School of Dentistry, Federal University of Bahia - UFBA, Av. Araújo Pinho, 62, Canela, Salvador, BA CEP: 40110-150, Brazil; Department of Biology, Feira de Santana State University, Feira de Santa, BA 44036-900, Brazil
| | - Caio L O Santos
- Center of Biophotonics, School of Dentistry, Federal University of Bahia - UFBA, Av. Araújo Pinho, 62, Canela, Salvador, BA CEP: 40110-150, Brazil
| | - Luiz G P Soares
- Center of Biophotonics, School of Dentistry, Federal University of Bahia - UFBA, Av. Araújo Pinho, 62, Canela, Salvador, BA CEP: 40110-150, Brazil
| | - Ifor D W Samuel
- Organic Semiconductor Centre, SUPA, School of Physics & Astronomy, University of St Andrews, North Haugh, St Andrews, Fife, KY16 9SS, UK
| | - Saydulla Persheyev
- Organic Semiconductor Centre, SUPA, School of Physics & Astronomy, University of St Andrews, North Haugh, St Andrews, Fife, KY16 9SS, UK
| | - Paulo F de Ameida
- Laboratory of Biotechnology and Ecology of Microorganisms, Institute of Health Science, Federal University of Bahia, Reitor Miguel Calmon Ave, S/N, Salvador, BA CEP:40110-100, Brazil
| | - Antônio L B Pinheiro
- Center of Biophotonics, School of Dentistry, Federal University of Bahia - UFBA, Av. Araújo Pinho, 62, Canela, Salvador, BA CEP: 40110-150, Brazil.
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Kolarikova M, Hosikova B, Dilenko H, Barton-Tomankova K, Valkova L, Bajgar R, Malina L, Kolarova H. Photodynamic therapy: Innovative approaches for antibacterial and anticancer treatments. Med Res Rev 2023. [PMID: 36757198 DOI: 10.1002/med.21935] [Citation(s) in RCA: 44] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 12/07/2022] [Accepted: 01/03/2023] [Indexed: 02/10/2023]
Abstract
Photodynamic therapy is an alternative treatment mainly for cancer but also for bacterial infections. This treatment dates back to 1900 when a German medical school graduate Oscar Raab found a photodynamic effect while doing research for his doctoral dissertation with Professor Hermann von Tappeiner. Unexpectedly, Raab revealed that the toxicity of acridine on paramecium depends on the intensity of light in his laboratory. Photodynamic therapy is therefore based on the administration of a photosensitizer with subsequent light irradiation within the absorption maxima of this substance followed by reactive oxygen species formation and finally cell death. Although this treatment is not a novelty, there is an endeavor for various modifications to the therapy. For example, selectivity and efficiency of the photosensitizer, as well as irradiation with various types of light sources are still being modified to improve final results of the photodynamic therapy. The main aim of this review is to summarize anticancer and antibacterial modifications, namely various compounds, approaches, and techniques, to enhance the effectiveness of photodynamic therapy.
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Affiliation(s)
- Marketa Kolarikova
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Barbora Hosikova
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Hanna Dilenko
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Katerina Barton-Tomankova
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Lucie Valkova
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Robert Bajgar
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Lukas Malina
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Hana Kolarova
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
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Novaes GA, Blank MH, Yoshimura TM, Ribeiro MS, Pereira R. Methylene blue-mediated antimicrobial photodynamic therapy on chicken semen. Photodiagnosis Photodyn Ther 2023; 41:103290. [PMID: 36646365 DOI: 10.1016/j.pdpdt.2023.103290] [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: 10/13/2022] [Revised: 01/05/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023]
Abstract
BACKGROUND Artificial insemination is widely employed in poultry, but high degrees of bacterial contamination are often observed in semen because of its passage through the cloaca. Consequently, most semen extenders for birds have antibiotics that could aggravate bacterial resistance. METHODS We evaluated the potential of antimicrobial photodynamic therapy (PDT) as an alternative to the use of antibiotics, and assessed whether changes in concentration and incubation time with methylene blue (MB), radiant exposure, and irradiance of light affect spermatozoa activity and bacteria in chicken semen. RESULTS Incubation with MB (< 25 µM) did not alter sperm motility, regardless of the pre-irradiation time (PIT, 1 or 5 min). Following 1 min of PIT with MB at 10 µM, samples were irradiated for 30, 60, 120, and 180 s at irradiances of 44, 29, and 17 mW/ cm² (660 nm LedBox). MB and light alone did not interfere with the analyzed parameters. However, when both factors were associated, increases in light dose led to greater reductions in sperm parameters, regardless of the irradiance used. Besides, PDT conditions that were less harmful to spermatozoa were not able to significantly reduce bacterial colonies in chicken semen. CONCLUSIONS A failure in MB selectivity could explain unsuccessful bacterial reduction following PDT. Further research involving other photosensitizers or conjugating molecules to MB to target microbial cells is needed for PDT application in poultry breeders.
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Affiliation(s)
- G A Novaes
- Department of Animal Reproduction, College of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, CEP, SP 05508-900, Brazil; Cobb-Vantress Brasil Ltda., Guapiaçu, SP, Brazil
| | - M H Blank
- Department of Animal Reproduction, College of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, CEP, SP 05508-900, Brazil
| | - T M Yoshimura
- Center for Lasers and Applications, Nuclear, and Energy Research Institute (IPEN-CNEN), São Paulo, SP, Brazil
| | - M S Ribeiro
- Center for Lasers and Applications, Nuclear, and Energy Research Institute (IPEN-CNEN), São Paulo, SP, Brazil
| | - Rjg Pereira
- Department of Animal Reproduction, College of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, CEP, SP 05508-900, Brazil.
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Trigo-Gutierrez JK, Calori IR, de Oliveira Bárbara G, Pavarina AC, Gonçalves RS, Caetano W, Tedesco AC, Mima EGDO. Photo-responsive polymeric micelles for the light-triggered release of curcumin targeting antimicrobial activity. Front Microbiol 2023; 14:1132781. [PMID: 37152758 PMCID: PMC10157243 DOI: 10.3389/fmicb.2023.1132781] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 04/03/2023] [Indexed: 05/09/2023] Open
Abstract
Nanocarriers have been successfully used to solubilize, deliver, and increase the bioavailability of curcumin (CUR), but slow CUR release rates hinder its use as a topical photosensitizer in antimicrobial photodynamic therapy. A photo-responsive polymer (PRP) was designed for the light-triggered release of CUR with an effective light activation-dependent antimicrobial response. The characterization of the PRP was compared with non-responsive micelles comprising Pluronics™ P123 and F127. According to the findings, the PRP formed photo-responsive micelles in the nanometric scale (< 100 nm) with a lower critical micelle concentration (3.74 × 10-4 M-1, 5.8 × 10-4 M-1, and 7.2 × 10-6 M-1 for PRP, F127, P123, respectively, at 25°C) and higher entrapment efficiency of CUR (88.7, 77.2, and 72.3% for PRP, F127, and P123 micelles, respectively) than the pluronics evaluated. The PRP provided enhanced protection of CUR compared to P123 micelles, as demonstrated in fluorescence quenching studies. The light-triggered release of CUR from PRP occurred with UV light irradiation (at 355 nm and 25 mW cm-2) and a cumulative release of 88.34% of CUR within 1 h compared to 80% from pluronics after 36 h. In vitro studies showed that CUR-loaded PRP was non-toxic to mammal cell, showed inactivation of the pathogenic microorganisms Candida albicans, Pseudomonas aeruginosa, and methicillin-resistant Staphylococcus aureus, and decreased biofilm biomass when associated with blue light (455 nm, 33.84 J/cm2). The findings show that the CUR-loaded PRP micelle is a viable option for antimicrobial activity.
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Affiliation(s)
- Jeffersson Krishan Trigo-Gutierrez
- Laboratory of Applied Microbiology, Department of Dental Materials and Prosthodontics, School of Dentistry, São Paulo State University (UNESP), Araraquara, Brazil
| | - Italo Rodrigo Calori
- Department of Chemistry, Center of Nanotechnology and Tissue Engineering, Photobiology and Photomedicine Research Group, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Geovana de Oliveira Bárbara
- Laboratory of Applied Microbiology, Department of Dental Materials and Prosthodontics, School of Dentistry, São Paulo State University (UNESP), Araraquara, Brazil
| | - Ana Claudia Pavarina
- Laboratory of Applied Microbiology, Department of Dental Materials and Prosthodontics, School of Dentistry, São Paulo State University (UNESP), Araraquara, Brazil
| | - Renato Sonchini Gonçalves
- Department of Chemistry, Research Nucleus of Photodynamic Therapy, State University of Maringá, Maringá, Paraná, Brazil
| | - Wilker Caetano
- Department of Chemistry, Research Nucleus of Photodynamic Therapy, State University of Maringá, Maringá, Paraná, Brazil
| | - Antonio Claudio Tedesco
- Department of Chemistry, Center of Nanotechnology and Tissue Engineering, Photobiology and Photomedicine Research Group, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Ewerton Garcia de Oliveira Mima
- Laboratory of Applied Microbiology, Department of Dental Materials and Prosthodontics, School of Dentistry, São Paulo State University (UNESP), Araraquara, Brazil
- *Correspondence: Ewerton Garcia de Oliveira Mima,
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11
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Yu X, Zou Y, Zhang Z, Wei T, Ye Z, Yuk HG, Zheng Q. Recent advances in antimicrobial applications of curcumin-mediated photodynamic inactivation in foods. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.108986] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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12
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Shariati A, Didehdar M, Razavi S, Heidary M, Soroush F, Chegini Z. Natural Compounds: A Hopeful Promise as an Antibiofilm Agent Against Candida Species. Front Pharmacol 2022; 13:917787. [PMID: 35899117 PMCID: PMC9309813 DOI: 10.3389/fphar.2022.917787] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 05/30/2022] [Indexed: 11/13/2022] Open
Abstract
The biofilm communities of Candida are resistant to various antifungal treatments. The ability of Candida to form biofilms on abiotic and biotic surfaces is considered one of the most important virulence factors of these fungi. Extracellular DNA and exopolysaccharides can lower the antifungal penetration to the deeper layers of the biofilms, which is a serious concern supported by the emergence of azole-resistant isolates and Candida strains with decreased antifungal susceptibility. Since the biofilms’ resistance to common antifungal drugs has become more widespread in recent years, more investigations should be performed to develop novel, inexpensive, non-toxic, and effective treatment approaches for controlling biofilm-associated infections. Scientists have used various natural compounds for inhibiting and degrading Candida biofilms. Curcumin, cinnamaldehyde, eugenol, carvacrol, thymol, terpinen-4-ol, linalool, geraniol, cineole, saponin, camphor, borneol, camphene, carnosol, citronellol, coumarin, epigallocatechin gallate, eucalyptol, limonene, menthol, piperine, saponin, α-terpineol, β–pinene, and citral are the major natural compounds that have been used widely for the inhibition and destruction of Candida biofilms. These compounds suppress not only fungal adhesion and biofilm formation but also destroy mature biofilm communities of Candida. Additionally, these natural compounds interact with various cellular processes of Candida, such as ABC-transported mediated drug transport, cell cycle progression, mitochondrial activity, and ergosterol, chitin, and glucan biosynthesis. The use of various drug delivery platforms can enhance the antibiofilm efficacy of natural compounds. Therefore, these drug delivery platforms should be considered as potential candidates for coating catheters and other medical material surfaces. A future goal will be to develop natural compounds as antibiofilm agents that can be used to treat infections by multi-drug-resistant Candida biofilms. Since exact interactions of natural compounds and biofilm structures have not been elucidated, further in vitro toxicology and animal experiments are required. In this article, we have discussed various aspects of natural compound usage for inhibition and destruction of Candida biofilms, along with the methods and procedures that have been used for improving the efficacy of these compounds.
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Affiliation(s)
- Aref Shariati
- Molecular and Medicine Research Center, Khomein University of Medical Sciences, Khomein, Iran
- *Correspondence: Aref Shariati, ; Zahra Chegini,
| | - Mojtaba Didehdar
- Department of Medical Parasitology and Mycology, Arak University of Medical Sciences, Arak, Iran
| | - Shabnam Razavi
- Microbial Biotechnology Research Center, Iran University of Medical Sciences, Tehran, Iran
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohsen Heidary
- Department of Laboratory Sciences, School of Paramedical Sciences, Sabzevar University of Medical Sciences, Sabzevar, Iran
- Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Fatemeh Soroush
- Molecular and Medicine Research Center, Khomein University of Medical Sciences, Khomein, Iran
- Student Research Committee, Khomein University of Medical Sciences, Khomein, Iran
| | - Zahra Chegini
- Department of Microbiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
- *Correspondence: Aref Shariati, ; Zahra Chegini,
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Chen T, Yang D, Lei S, Liu J, Song Y, Zhao H, Zeng X, Dan H, Chen Q. Photodynamic therapy-a promising treatment of oral mucosal infections. Photodiagnosis Photodyn Ther 2022; 39:103010. [PMID: 35820633 DOI: 10.1016/j.pdpdt.2022.103010] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 07/07/2022] [Accepted: 07/08/2022] [Indexed: 02/05/2023]
Abstract
The treatment of oral mucosal infections is increasingly challenging owing to antibiotic resistance. Therefore, alternative antimicrobial strategies are urgently required. Photodynamic therapy (PDT) has attracted attention for the treatment of oral mucosal infections because of its ability to effectively inactivate drug-resistant bacteria, completely heal clinical infectious lesions and usually offers only mild adverse reactions. This review briefly summarizes relevant scientific data and published papers and discusses the potential mechanism and application of PDT in the treatment of oral mucosal infections.
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Affiliation(s)
- Ting Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Dan Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Shangxue Lei
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Jiaxin Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Yansong Song
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Hang Zhao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Xin Zeng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Hongxia Dan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, PR China.
| | - Qianming Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, PR China
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Marques Meccatti V, de Souza Moura L, Guerra Pinto J, Ferreira-Strixino J, Abu Hasna A, Alves Figueiredo-Godoi LM, Campos Junqueira J, Marcucci MC, de Paula Ramos L, Carvalho CAT, Pucci CR, de Oliveira LD. Curcuma longa L. Extract and Photodynamic Therapy are Effective against Candida spp. and Do Not Show Toxicity In Vivo. Int J Dent 2022; 2022:5837864. [PMID: 35815117 PMCID: PMC9270141 DOI: 10.1155/2022/5837864] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 05/30/2022] [Accepted: 06/15/2022] [Indexed: 12/18/2022] Open
Abstract
Radiotherapy induces a higher level of Candida spp. colonization, resulting in oral candidiasis. This study aimed to evaluate the phototransformation potential of the glycolic extract of Curcuma longa (C. longa); the antifungal activity of C. longa, curcumin, and antifungal photodynamic therapy (aPDT) with blue light-emitting diodes "LED" on Candida albicans and Candida tropicalis in vitro; and the toxicity of C. longa and curcumin in Galleria mellonella model. In order to confirm the light absorption capacity of the C. longa extract, its phototransformation potential was evaluated. The antifungal effect of C. longa, curcumin, and aPDT was evaluated over Candida spp. Finally, the toxicity of C. longa and curcumin was evaluated on the Galleria mellonella model. The data were analyzed using the GraphPad Prism 5.0 software considering α = 5%. It was found that C. longa, curcumin, and aPDT using blue LED have an antifungal effect over C. albicans and C. tropicalis. The extract of C. longa 100 mg/mL and curcumin 200 μg/mL do not show toxicity on Galleria mellonella model.
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Affiliation(s)
- Vanessa Marques Meccatti
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University (ICT-UNESP), São José dos Campos, São Paulo, Brazil
| | - Larissa de Souza Moura
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University (ICT-UNESP), São José dos Campos, São Paulo, Brazil
| | - Juliana Guerra Pinto
- Photobiology Applied to Health (PHOTOBIOS)—University of Vale do Paraiba, Research and Development Institute. Av. Shishima Hifumi, 2911—São José dos Campos, São Paulo, Brazil
| | - Juliana Ferreira-Strixino
- Photobiology Applied to Health (PHOTOBIOS)—University of Vale do Paraiba, Research and Development Institute. Av. Shishima Hifumi, 2911—São José dos Campos, São Paulo, Brazil
| | - Amjad Abu Hasna
- Department of Restorative Dentistry, Endodontics Division, Institute of Science and Technology, São Paulo State University (ICT-UNESP), São José dos Campos, São Paulo, Brazil
| | - Lívia Mara Alves Figueiredo-Godoi
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University (ICT-UNESP), São José dos Campos, São Paulo, Brazil
| | - Juliana Campos Junqueira
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University (ICT-UNESP), São José dos Campos, São Paulo, Brazil
| | - Maria Cristina Marcucci
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University (ICT-UNESP), São José dos Campos, São Paulo, Brazil
| | - Lucas de Paula Ramos
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University (ICT-UNESP), São José dos Campos, São Paulo, Brazil
| | - Claudio Antonio Talge Carvalho
- Department of Restorative Dentistry, Endodontics Division, Institute of Science and Technology, São Paulo State University (ICT-UNESP), São José dos Campos, São Paulo, Brazil
| | - Cesar Rogério Pucci
- Department of Restorative Dentistry, Institute of Science and Technology, São Paulo State University (ICT-UNESP), São José dos Campos, São Paulo, Brazil
| | - Luciane Dias de Oliveira
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University (ICT-UNESP), São José dos Campos, São Paulo, Brazil
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Effect of the technique of photodynamic therapy against the main microorganisms responsible for periodontitis: A systematic review of in-vitro studies. Arch Oral Biol 2022; 138:105425. [DOI: 10.1016/j.archoralbio.2022.105425] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 03/18/2022] [Accepted: 03/22/2022] [Indexed: 01/10/2023]
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Wang M, Gu K, Ding W, Wan M, Zhao W, Shi H, Li J. Antifungal effect of a new photosensitizer derived from BODIPY on Candida albicans biofilms. Photodiagnosis Photodyn Ther 2022; 39:102946. [PMID: 35660011 DOI: 10.1016/j.pdpdt.2022.102946] [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: 04/04/2022] [Revised: 05/23/2022] [Accepted: 05/31/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Photodynamic therapy (PDT) has been recognized as an alternative treatment of Candida albicans (C. albicans) infections. The aim of this study was to investigate the antifungal effect of PDT mediated by a new photosensitizer (PS) derived from BODIPY (BDP-4L) on C. albicans biofilms. METHODS C. albicans biofilms were incubated with BDP-4L of different concentrations and then irradiated at the light doses of 1.8, 3.6, 5.4, 7.2 and 9.0 J/cm2. XTT reduction assay was conducted to determine the PS concentration and PDT parameters. Confocal light scanning microscopy (CLSM) and scanning electron microscope (SEM) were used to visualize and quantify the effect of BDP-4L on C. albicans biofilms after PDT. RESULTS C. albicans biofilms were inactivated in light dose-dependent and PS concentration-dependent manners using BDP-4L as PS. Without irradiation, no inactivation effect was observed when PS concentrations varied from 5 μM to 80 μM. 40 μM PS with 3.6 J/cm2 irradiation resulted in a significant reduction of 83.8% in biofilm metabolic activities. CLSM assay demonstrated that cell viability was obviously inhibited by 82.6%. SEM images revealed ruptured and rough cell surface, indicating increased cell membrane permeability after PDT. CONCLUSIONS Our results suggested that BDP-4L mediated PDT exhibited a favorable antifungal effect on C. albicans biofilms.
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Affiliation(s)
- Mengran Wang
- School of Pharmacy, Fudan University, No.826, Rd. Zhangheng, Shanghai, 200000, China
| | - Kedan Gu
- Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Science, No.150, Rd. Fucheng, Hangzhou, 310000, China
| | - Wenxin Ding
- School of Pharmacy, Fudan University, No.826, Rd. Zhangheng, Shanghai, 200000, China
| | - Miyang Wan
- School of Pharmacy, Fudan University, No.826, Rd. Zhangheng, Shanghai, 200000, China
| | - Weili Zhao
- School of Pharmacy, Fudan University, No.826, Rd. Zhangheng, Shanghai, 200000, China.
| | - Hang Shi
- Department of Stomatology, Huashan Hospital North, Fudan University, No.108, Rd. Luxiang, Huashan Hospital North, Shanghai, 200000, China.
| | - Jiyang Li
- School of Pharmacy, Fudan University, No.826, Rd. Zhangheng, Shanghai, 200000, China.
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Keskin G, Çiloğlu M. Efficacy of antimicrobial photodynamic therapy and Er,Cr:YSGG laser-activated irrigation on dentinal tubule penetration of MTA-based root canal sealer: a confocal microscopy study. Photodiagnosis Photodyn Ther 2021; 36:102584. [PMID: 34666196 DOI: 10.1016/j.pdpdt.2021.102584] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 10/05/2021] [Accepted: 10/12/2021] [Indexed: 12/31/2022]
Abstract
BACKGROUND Antimicrobial photodynamic therapy (aPDT) and laser-activated irrigation (LAI) are adjunctive therapies developed to enhance the effectiveness of root canal disinfection. Sealer penetration into dentinal tubules is significant for preventing re-infection, and the sealer's penetration ability is affected by the chemo-mechanical preparation of the root canal. This study aimed to evaluate the efficacy of aPDT and LAI on dentinal tubule penetration of MTA-based root canal sealer. METHODS Forty single-rooted mandibular premolars were divided into four groups (n = 10): control, methylene blue 50 mg/L (MB50), curcumin 500 mg/L (C500), and Er,Cr:YSGG and sodium hypochlorite (LAI). The smear removal efficiency of the groups on intraradicular dentin was evaluated with a scanning electron microscope (SEM). Confocal laser scanning microscopy (CLSM) was performed to determine the depth of penetration of MTA Fillapex into dentinal tubules. Data were analyzed statistically. RESULTS The maximum penetration depth of the C500 group was significantly higher than that of the other groups in all three levels of root sections (p<0.05). Regarding mean penetration depth, the highest values were obtained from the C500 group. However, there was no statistically significant difference between the C500 and MB50 groups in the middle and coronal thirds of the root (p>0.05). The LAI group showed the lowest penetrated area percentage in the middle and coronal third of the root (p<0.05). The C500 and LAI groups were more effective in removing the smear layer than the control and MB50 groups. CONCLUSION aPDT could enhance the penetration of MTA-based root canal sealer into dentin tubules.
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Affiliation(s)
- Gül Keskin
- Department of Pediatric Dentistry, Gaziantep University, Gaziantep 27310, Turkey.
| | - Mehmet Çiloğlu
- Department of Pediatric Dentistry, Gaziantep University, Gaziantep 27310, Turkey
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18
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Silva LAD, Pinheiro SL. Clinical Evaluation of Intravascular Blood Irradiation with Laser, Photobiomodulation, and Photodynamic Therapy in Cancer Patients with Mucositis. Photobiomodul Photomed Laser Surg 2021; 39:687-695. [DOI: 10.1089/photob.2021.0031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Lucas Augusto da Silva
- Center for Life Sciences, Postgraduate Program in Health Sciences, Pontifícia Universidade Católica de Campinas (PUC Campinas), Campinas, Brazil
| | - Sérgio Luiz Pinheiro
- Center for Life Sciences, Postgraduate Program in Health Sciences, Pontifícia Universidade Católica de Campinas (PUC Campinas), Campinas, Brazil
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Ziental D, Mlynarczyk DT, Czarczynska-Goslinska B, Lewandowski K, Sobotta L. Photosensitizers Mediated Photodynamic Inactivation against Fungi. NANOMATERIALS 2021; 11:nano11112883. [PMID: 34835655 PMCID: PMC8621466 DOI: 10.3390/nano11112883] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 10/13/2021] [Accepted: 10/19/2021] [Indexed: 01/12/2023]
Abstract
Superficial and systemic fungal infections are essential problems for the modern health care system. One of the challenges is the growing resistance of fungi to classic antifungals and the constantly increasing cost of therapy. These factors force the scientific world to intensify the search for alternative and more effective methods of treatment. This paper presents an overview of new fungal inactivation methods using Photodynamic Antimicrobial Chemotherapy (PACT). The results of research on compounds from the groups of phenothiazines, xanthanes, porphyrins, chlorins, porphyrazines, and phthalocyanines are presented. An intensive search for a photosensitizer with excellent properties is currently underway. The formulation based on the existing ones is also developed by combining them with nanoparticles and common antifungal therapy. Numerous studies indicate that fungi do not form any specific defense mechanism against PACT, which deems it a promising therapeutic alternative.
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Affiliation(s)
- Daniel Ziental
- Chair and Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland; (D.Z.); (K.L.)
| | - Dariusz T. Mlynarczyk
- Chair and Department of Chemical Technology of Drugs, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland;
| | - Beata Czarczynska-Goslinska
- Chair and Department of Pharmaceutical Technology, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland;
| | - Konrad Lewandowski
- Chair and Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland; (D.Z.); (K.L.)
| | - Lukasz Sobotta
- Chair and Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland; (D.Z.); (K.L.)
- Correspondence:
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In Vitro Effect of Photodynamic Therapy with Different Lights and Combined or Uncombined with Chlorhexidine on Candida spp. Pharmaceutics 2021; 13:pharmaceutics13081176. [PMID: 34452140 PMCID: PMC8398142 DOI: 10.3390/pharmaceutics13081176] [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: 07/18/2021] [Revised: 07/25/2021] [Accepted: 07/28/2021] [Indexed: 12/11/2022] Open
Abstract
Candidiasis is very common and complicated to treat in some cases due to increased resistance to antifungals. Antimicrobial photodynamic therapy (aPDT) is a promising alternative treatment. It is based on the principle that light of a specific wavelength activates a photosensitizer molecule resulting in the generation of reactive oxygen species that are able to kill pathogens. The aim here is the in vitro photoinactivation of three strains of Candida spp., Candida albicans ATCC 10231, Candida parapsilosis ATCC 22019 and Candida krusei ATCC 6258, using aPDT with different sources of irradiation and the photosensitizer methylene blue (MB), alone or in combination with chlorhexidine (CHX). Irradiation was carried out at a fluence of 18 J/cm2 with a light-emitting diode (LED) lamp emitting in red (625 nm) or a white metal halide lamp (WMH) that emits at broad-spectrum white light (420–700 nm). After the photodynamic treatment, the antimicrobial effect is evaluated by counting colony forming units (CFU). MB-aPDT produces a 6 log10 reduction in the number of CFU/100 μL of Candida spp., and the combination with CHX enhances the effect of photoinactivation (effect achieved with lower concentration of MB). Both lamps have similar efficiencies, but the WMH lamp is slightly more efficient. This work opens the doors to a possible clinical application of the combination for resistant or persistent forms of Candida infections.
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Rosa LP, Silva FCD, Luz SCL, Vieira RL, Tanajura BR, Silva Gusmão AGD, de Oliveira JM, Jesus Nascimento FD, Dos Santos NAC, Inada NM, Blanco KC, Carbinatto FM, Bagnato VS. Follow-up of pressure ulcer treatment with photodynamic therapy, low level laser therapy and cellulose membrane. J Wound Care 2021; 30:304-310. [PMID: 33856908 DOI: 10.12968/jowc.2021.30.4.304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE A pressure ulcer (PU) is an area of tissue trauma caused by continuous and prolonged pressure, often associated with hospitalised patients immobilised due to neurological problems, negatively affecting their quality of life, and burdening the public budget. The aim of this study was to report the follow-up, for 45 weeks, of three patients with neurological lesions due to trauma who subsequently developed PUs, and who were treated with a combination of photodynamic therapy (PDT), low level laser therapy (LLLT) and cellulose membrane (CM). METHOD PDT was mediated by the photosensitiser curcumin on a 1.5% emulsion base. Blue LED light at 450 nm was delivered continuously for 12 minutes at an irradiance of 30mW/cm2 and total energy delivered to the tissue was 22J/cm2. LLLT was performed with 660 nm laser, punctuated and continuous, twice a week with parameters: spot size 0.04cm2, power of 40mW, 10 seconds per point, fluence of 10J/cm2 and irradiance of 1000mW/cm2. RESULTS All PUs had a significant reduction (range: 95.2-100%) of their area after 45 weeks of follow-up and two PUs had complete healing at 20 weeks and 30 weeks. All of the PUs showed a reduction in contamination with the PDT treatments in different proportions. CONCLUSION From the results obtained, we conclude that the combination of PDT, LLLT and CM is a promising treatment for PU healing.
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Affiliation(s)
- Luciano Pereira Rosa
- Multidisciplinary Health Institute, Federal University of Bahia, Hormindo Barros Street, 58. Candeias. Vitória da Conquista, Bahia, Brazil
| | - Francine Cristina da Silva
- Multidisciplinary Health Institute, Federal University of Bahia, Hormindo Barros Street, 58. Candeias. Vitória da Conquista, Bahia, Brazil
| | - Suzete Carvalho Landulfo Luz
- Multidisciplinary Health Institute, Federal University of Bahia, Hormindo Barros Street, 58. Candeias. Vitória da Conquista, Bahia, Brazil
| | | | - Beatriz Rocha Tanajura
- Multidisciplinary Health Institute, Federal University of Bahia, Hormindo Barros Street, 58. Candeias. Vitória da Conquista, Bahia, Brazil
| | - Alana Gonçalves da Silva Gusmão
- Multidisciplinary Health Institute, Federal University of Bahia, Hormindo Barros Street, 58. Candeias. Vitória da Conquista, Bahia, Brazil
| | - Janeide Muritiba de Oliveira
- Multidisciplinary Health Institute, Federal University of Bahia, Hormindo Barros Street, 58. Candeias. Vitória da Conquista, Bahia, Brazil
| | - Fabiana de Jesus Nascimento
- Multidisciplinary Health Institute, Federal University of Bahia, Hormindo Barros Street, 58. Candeias. Vitória da Conquista, Bahia, Brazil
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Santezi C, Reina BD, de Annunzio SR, Calixto G, Chorilli M, Dovigo LN. Photodynamic potential of curcumin in bioadhesive formulations: Optical characteristics and antimicrobial effect against biofilms. Photodiagnosis Photodyn Ther 2021; 35:102416. [PMID: 34197966 DOI: 10.1016/j.pdpdt.2021.102416] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 06/01/2021] [Accepted: 06/22/2021] [Indexed: 12/29/2022]
Abstract
BACKGROUND Although Curcumin (CUR) has great potential as a photosensitizer, the low solubility in water impairs its clinical performance in photodynamic inactivation (PDI). This study sought to establish an effective antimicrobial protocol for PDI using CUR in three different bioadhesive formulations. METHODS A CUR-loaded chitosan hydrogel with a poloxamer (CUR-CHIH), a CUR-loaded liquid crystal precursor system (CUR-LCP), a CUR-loaded microemulsion (CUR-ME), and CUR in dimethylsulfoxide (DMSO) solution (CUR-S; control formulation) were tested against in vitro and in situ oral biofilms. The optical properties of each formulation were evaluated. RESULTS All of the formulations exhibited lower absorbance than CUR-S; however, the CUR-LCP curve bore the highest resemblance. The CUR present in all formulations was completely degraded after 15 min of illumination. In vitro experiments showed that CUR-S was the only formulation able to significantly reduce biofilm viability of Candida albicans and Lactobacillus casei when compared to the negative control (no PDI); the amount of reduction obtained was 1.8 and 3.7 log (CFU/mL) for C. albicans and L. casei, respectively. There was a significant reduction on the viability of Streptococcus mutans biofilms when CUR-S and CUR-LCP were applied (approximately 3.5 and 1.6 log [CFU/mL], respectively). In situ testing showed antimicrobial efficacy against S. mutans and general microorganisms. CONCLUSIONS Although the evaluated protocols has not been effective to all of the evaluated microorganisms, PDI showed potential against dental biofilms and evidence that the phototoxic effects of CUR have a high relation with the type of formulation in which it is loaded.
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Affiliation(s)
- Carolina Santezi
- Independent researcher at the moment of the submission (unaffiliated researcher)
| | - Bárbara Donadon Reina
- Department of Social Dentistry, School of Dentistry, UNESP - São Paulo State University, Araraquara, São Paulo, Brazil
| | - Sarah Raquel de Annunzio
- Department of Clinical Analysis, School of Pharmacy, UNESP - São Paulo State University, Araraquara, São Paulo, Brazil
| | - Giovana Calixto
- Department of Biosciences, Piracicaba Dental School, UNICAMP, University of Campinas, Piracicaba, São Paulo, Brazil
| | - Marlus Chorilli
- Department of Drugs and Pharmaceutics, School of Pharmacy, UNESP - São Paulo State University, Araraquara, São Paulo, Brazil
| | - Lívia Nordi Dovigo
- Department of Social Dentistry, School of Dentistry, UNESP - São Paulo State University, Araraquara, São Paulo, Brazil.
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23
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Alsaif A, Tahmassebi JF, Wood SR. Treatment of dental plaque biofilms using photodynamic therapy: a randomised controlled study. Eur Arch Paediatr Dent 2021; 22:791-800. [PMID: 34089515 PMCID: PMC8526452 DOI: 10.1007/s40368-021-00637-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 05/24/2021] [Indexed: 11/01/2022]
Abstract
INTRODUCTION Photodynamic therapy (PDT) is a treatment modality involving a dye that is activated by exposure to light of a specific wavelength in the presence of oxygen to form oxygen species causing localised damage to microorganisms. AIM To determine the most effective bactericidal incubation and irradiation times of erythrosine-based PDT on in vivo-formed dental plaque biofilms. METHODS A randomised controlled study; 18-healthy adult participants wearing intraoral appliances with human enamel slabs to collect dental plaque samples in two separate periods of two weeks each for use in arm-1 and arm-2. These accumulated dental plaque samples were treated with PDT under different experimental conditions. Incubation times with photosensitiser (erythrosine) of 15 min and 2 min were used in arm-1 and arm-2, respectively, followed by light irradiation for either 15 min (continuous) or as a fractionated dose (5 × 30 sec). Following treatment, percentage reductions of total bacterial counts were compared between the different groups. In addition, confocal laser scanning microscopy (CLSM) and LIVE/DEAD® BacLight™ Bacterial Viability Kit were used to visualise the effect of PDT on in vivo-formed biofilms. RESULTS Significant reductions in the percentage of total bacterial counts (~93-95%) of in vivo-formed biofilms were found when using either 2 min or 15min incubation times and applying 15 min continuous light. Although when applying fractionated light, there was more cell death when 15 min incubation time was used (~ 91%) compared with the 2 min incubation time (~ 64%). CLSM results supported these findings. CONCLUSION Improving the clinical usefulness of PDT by reducing its overall treatment time seems to be promising and effective in killing in vivo-formed dental plaque biofilms.
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Affiliation(s)
- A Alsaif
- Department of Paediatric Dentistry, University of Leeds, Leeds, UK. .,Paediatric Dentistry Department, Ministry of Health, Kuwait city, Kuwait.
| | - J F Tahmassebi
- Department of Paediatric Dentistry, University of Leeds, Leeds, UK
| | - S R Wood
- Department Oral Biology, University of Leeds, Leeds, UK
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Srinivasan R, Santhakumari S, Poonguzhali P, Geetha M, Dyavaiah M, Xiangmin L. Bacterial Biofilm Inhibition: A Focused Review on Recent Therapeutic Strategies for Combating the Biofilm Mediated Infections. Front Microbiol 2021; 12:676458. [PMID: 34054785 PMCID: PMC8149761 DOI: 10.3389/fmicb.2021.676458] [Citation(s) in RCA: 108] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 04/14/2021] [Indexed: 12/31/2022] Open
Abstract
Biofilm formation is a major concern in various sectors and cause severe problems to public health, medicine, and industry. Bacterial biofilm formation is a major persistent threat, as it increases morbidity and mortality, thereby imposing heavy economic pressure on the healthcare sector. Bacterial biofilms also strengthen biofouling, affecting shipping functions, and the offshore industries in their natural environment. Besides, they accomplish harsh roles in the corrosion of pipelines in industries. At biofilm state, bacterial pathogens are significantly resistant to external attack like antibiotics, chemicals, disinfectants, etc. Within a cell, they are insensitive to drugs and host immune responses. The development of intact biofilms is very critical for the spreading and persistence of bacterial infections in the host. Further, bacteria form biofilms on every probable substratum, and their infections have been found in plants, livestock, and humans. The advent of novel strategies for treating and preventing biofilm formation has gained a great deal of attention. To prevent the development of resistant mutants, a feasible technique that may target adhesive properties without affecting the bacterial vitality is needed. This stimulated research is a rapidly growing field for applicable control measures to prevent biofilm formation. Therefore, this review discusses the current understanding of antibiotic resistance mechanisms in bacterial biofilm and intensely emphasized the novel therapeutic strategies for combating biofilm mediated infections. The forthcoming experimental studies will focus on these recent therapeutic strategies that may lead to the development of effective biofilm inhibitors than conventional treatments.
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Affiliation(s)
- Ramanathan Srinivasan
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, School of Life Sciences, Fujian Agriculture and Forestry University, Fujian, China.,Key Laboratory of Crop Ecology and Molecular Physiology (Fujian Agriculture and Forestry University), Fujian Province University, Fujian, China
| | - Sivasubramanian Santhakumari
- Department of Biochemistry and Molecular Biology, School of Life Sciences, Pondicherry University, Puducherry, India
| | | | - Mani Geetha
- PG Research and Department of Microbiology, St. Joseph's College of Arts and Science (Autonomous), Tamil Nadu, India
| | - Madhu Dyavaiah
- Department of Biochemistry and Molecular Biology, School of Life Sciences, Pondicherry University, Puducherry, India
| | - Lin Xiangmin
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, School of Life Sciences, Fujian Agriculture and Forestry University, Fujian, China.,Key Laboratory of Crop Ecology and Molecular Physiology (Fujian Agriculture and Forestry University), Fujian Province University, Fujian, China.,Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, Fujian Agriculture and Forestry University, Fujian, China
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Dantas Lopes Dos Santos D, Besegato JF, de Melo PBG, Oshiro Junior JA, Chorilli M, Deng D, Bagnato VS, Rastelli ANDS. Curcumin-loaded Pluronic ® F-127 Micelles as a Drug Delivery System for Curcumin-mediated Photodynamic Therapy for Oral Application. Photochem Photobiol 2021; 97:1072-1088. [PMID: 33872402 DOI: 10.1111/php.13433] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 03/03/2021] [Accepted: 04/10/2021] [Indexed: 12/21/2022]
Abstract
Antimicrobial photodynamic therapy (aPDT) is promising for oral decontamination. Curcumin has been used as photosensitizer; however, the hydrophobic properties can negatively affect aPDT. This study evaluated the aPDT efficacy using Cur-loaded Pluronic® F-127 micelles against Streptococcus mutans and Candida albicans biofilms. Micelles characterization was performed by zeta potential, dynamic light scattering, transmission electron microscopy, absorption and fluorescence spectroscopy. Cur concentrations, cell viability by CFU mL-1 and confocal microscopy were determined. Data were analyzed by parametric and nonparametric tests under 5%. Cur-loaded Pluronic® F-127 exhibited spherical shape, suitable particle size (≤100 nm), adequate polydispersity index, best stability, lower photodegradation and autoaggregation compared to unloaded-Cur. Both microorganisms were sensitive to Cur-loaded Pluronic® F-127 micelles aPDT, with minimum inhibitory concentration (MIC) of 270 μm and 2.1093 μm for S. mutans and C. albicans suspended culture, respectively. Cur-loaded Pluronic® F-127 aPDT exhibited antibacterial/antifungal effect against the biofilms (~3 log10 reduction; P ≤ 0.05); however, similar to unloaded (P ≥ 0.05). Confocal images confirmed these results. Cur-loaded Pluronic® F-127 micelles exhibited good photo-chemical properties and may be a viable alternative to deliver Cur and to improve aPDT effect during the treatment of dental caries. Moreover, Pluronic® micelles can enhance the solubility, stability, permeability and control the release of Cur.
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Affiliation(s)
- Diego Dantas Lopes Dos Santos
- Department of Dental Materials and Prosthodontics, School of Dentistry, São Paulo State University - UNESP, Araraquara, São Paulo, Brazil
| | - João Felipe Besegato
- Department of Restorative Dentistry, School of Dentistry, São Paulo State University - UNESP, Araraquara, São Paulo, Brazil
| | - Priscila Borges Gobbo de Melo
- Department of Restorative Dentistry, School of Dentistry, São Paulo State University - UNESP, Araraquara, São Paulo, Brazil
| | - João Augusto Oshiro Junior
- Department of Drugs and Medicines, School of Pharmaceutical Sciences, São Paulo State University - UNESP, Araraquara, São Paulo, Brazil
| | - Marlus Chorilli
- Department of Drugs and Medicines, School of Pharmaceutical Sciences, São Paulo State University - UNESP, Araraquara, São Paulo, Brazil
| | - Dongmei Deng
- Department of Preventive Dentistry, Academic Centre for Dentistry Amsterdam - ACTA, University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Vanderlei Salvador Bagnato
- Department of Physics and Materials Science, Physics Institute of São Carlos - IFSC, University of São Paulo - USP, São Carlos, São Paulo, Brazil
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Cheraghipour K, Ezatpour B, Masoori L, Marzban A, Sepahvand A, Rouzbahani AK, Moridnia A, Khanizadeh S, Mahmoudvand H. Anti-Candida Activity of Curcumin: A Systematic Review. Curr Drug Discov Technol 2021; 18:379-390. [PMID: 32418527 DOI: 10.2174/1570163817666200518074629] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 03/25/2020] [Accepted: 03/25/2020] [Indexed: 06/11/2023]
Abstract
Curcumin is one of the important natural compounds that is extracted from turmeric. This compound and its derivatives have numerous biological properties, including antioxidant, anticancer, anti-inflammatory, antimicrobial, and healing effects. Extensive research in various fields has been conducted on turmeric as it is widely used as a food additive. The significant antifungal activity is one of the major effects of curcumin. In this paper, recent studies on the effects of different forms of curcumin drug on the candidiasis were systematically examined and discussed. The data in this study were extracted from the articles and reports published in the Web of Science, Google Scholar, PubMed, and Scopus databases. After the preliminary investigation, relevant reports were selected and classified based on the incorporated formulation and purpose of the study. After a systematic discussion of the data, it was found that the use of medicinal forms based on nanoparticles can increase the absorption and target the controlled release of curcumin with a more effective role compared to other formulations. Consequently, it can be concluded that new methods of modern medicine can be employed to increase the efficacy of natural pharmaceutical compounds used in the past. In this regard, the present study analyzed the effect of curcumin against various Candida infections, using the recent data. It was found that applying a combination of drug formulation or the formulation of curcumin and its derivatives can be an effective strategy to overcome the medicine resistance in fungal infections, especially candidiasis.
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Affiliation(s)
- Kourosh Cheraghipour
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Behrouz Ezatpour
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Leila Masoori
- Department of Laboratory Sciences, School of Allied Medical Sciences, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Abdolrazagh Marzban
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Asghar Sepahvand
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran
| | | | - Abbas Moridnia
- Department of Genetics and Molecular Biology, School of Medicine, Dezful University of Medical Sciences, Dezful, Iran
| | - Sayyad Khanizadeh
- Hepatitis Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Hossein Mahmoudvand
- Nutritional Health Research Center, Lorestan University of Medical Sciencs, Khorramabad, Iran
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27
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Dias LD, Blanco KC, Mfouo-Tynga IS, Inada NM, Bagnato VS. Curcumin as a photosensitizer: From molecular structure to recent advances in antimicrobial photodynamic therapy. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C: PHOTOCHEMISTRY REVIEWS 2020. [DOI: 10.1016/j.jphotochemrev.2020.100384] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Management of caries affected dentin (CAD) with resin modified glass ionomer cement (RMGIC) in the presence of different caries disinfectants and photosensitizers. Photodiagnosis Photodyn Ther 2020; 32:101978. [DOI: 10.1016/j.pdpdt.2020.101978] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/10/2020] [Accepted: 08/21/2020] [Indexed: 12/18/2022]
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29
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Dias VHC, Malacrida AM, Dos Santos AR, Batista AFP, Campanerut-Sá PAZ, Braga G, Bona E, Caetano W, Mikcha JMG. pH interferes in photoinhibitory activity of curcumin nanoencapsulated with pluronic® P123 against Staphylococcus aureus. Photodiagnosis Photodyn Ther 2020; 33:102085. [PMID: 33157329 DOI: 10.1016/j.pdpdt.2020.102085] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 10/13/2020] [Accepted: 10/26/2020] [Indexed: 11/25/2022]
Abstract
Microbial contamination control is a public health concern and challenge for the food industry. Antimicrobial technologies employing natural agents may be useful in the food industry for these purposes. This work aimed to investigate the effect of photodynamic inactivation using curcumin in Pluronic® P123 nanoparticles (Cur/P123) at different pH and blue LED light against Staphylococcus aureus. Bacterial photoinactivation was conducted using different photosensitizer concentrations and exposure times at pH 5.0, 7.2 and 9.0. A mixture design was applied to evaluate the effects of exposure time (dark and light incubation) on the photoinhibitory effect. S. aureus was completely inactivated at pH 5.0 by combining low concentrations of Cur/P123 (7.80-30.25 μmol/L) and light doses (6.50-37.74 J/cm2). According to the mathematical model, dark incubation had low significance in bacterial inactivation at pH 5.0 and 9.0. No effect in bacterial inactivation was observed at pH 7.2. Cur/P123 with blue LED was effective in inactivating S. aureus. The antimicrobial effect of photodynamic inactivation was also pH-dependent.
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Affiliation(s)
| | - Amanda Milene Malacrida
- Department of Clinical Analyses and Biomedicine, State University of Maringá, Maringá, Paraná, Brazil.
| | | | | | | | - Gustavo Braga
- Department of Chemistry, State University of Maringá, Maringá, Paraná, Brazil
| | - Evandro Bona
- Department of Food, Federal Technological University of Paraná, Campo Mourão, Paraná, Brazil
| | - Wilker Caetano
- Department of Chemistry, State University of Maringá, Maringá, Paraná, Brazil
| | - Jane Martha Graton Mikcha
- Department of Agrarian Sciences, State University of Maringá, Maringá, Paraná, Brazil; Department of Clinical Analyses and Biomedicine, State University of Maringá, Maringá, Paraná, Brazil
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S M, E S, R DV, N S. Phototherapy and Sonotherapy of Melanoma Cancer Cells Using Nanoparticles of Selenium-Polyethylene Glycol-Curcumin as a Dual-Mode Sensitizer. J Biomed Phys Eng 2020; 10:597-606. [PMID: 33134219 PMCID: PMC7557466 DOI: 10.31661/jbpe.v0i0.1912-1039] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Accepted: 01/20/2020] [Indexed: 12/22/2022]
Abstract
Background: As an alternative form of cancer therapy, photothermal therapy (PTT) and sonodynamic therapy (SDT) using nanomaterials are in development. Nanomaterials can act as energy absorber as well as anti-cancer agent. Objective: In this study, the effects of laser and ultrasound irradiation with Se-PEG-Cur nanoparticles were investigated on melanoma cancer. Material and Methods: In this experimental study, nanoparticles of selenium-polyethylene glycol-curcumin (Se-PEG-Cur) were synthesized, and their UV-vis absorption, particle size, zeta potential and photothermal conversion efficiency were determined. Se-PEG-Cur was then introduced as a novel 808-nm laser light absorbing agent as well as ultrasound (US) wave for treatment of C540 (B16/F10) cancer cells. Also, ROS generation in C540 (B16/F10) cancer cells was measured upon PTT and SDT using Se-PEG-Cur. Results: Mean size, zeta potential and photothermal conversion efficiency of Se-PEG-Cur were obtained as ~300 nm, 42.7 mV and 16.7%, respectively.
Cell viability upon irradiation of the laser light or US waves with 100 µg mL-1 Se-PEG-Cur were decreased to 33.9 and 22.9%, respectively. Conclusion: Intracellular ROS detection indicated that dual PTT and SDT in the presence of Se-PEG-Cur induced the highest ROS production. Se-PEG-Cur was therefore introduced as an absorbing agent of both laser light and US waves for cancer treatment.
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Affiliation(s)
- Mohammadi S
- MSc, Department of Medical Physics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- MSc, Nanomedicine and Nanobiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Soratijahromi E
- MSc, Department of Medical Physics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- MSc, Nanomedicine and Nanobiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Dehdari Vais R
- MSc, Nanomedicine and Nanobiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sattarahmady N
- PhD, Department of Medical Physics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- PhD, Nanomedicine and Nanobiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Chaves Lamarque GC, Méndez DAC, Matos AA, Dionísio TJ, Machado MAAM, Magalhães AC, Oliveira RC, Cruvinel T. In vitro effect of curcumin-mediated antimicrobial photodynamic therapy on fibroblasts: viability and cell signaling for apoptosis. Lasers Med Sci 2020; 36:1169-1175. [PMID: 32996021 DOI: 10.1007/s10103-020-03150-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 09/22/2020] [Indexed: 01/08/2023]
Abstract
Although it was demonstrated that curcumin-mediated antimicrobial photodynamic therapy (aPDT) is effective for reducing the viability of microbial cells and the vitality of oral biofilms, the cytotoxicity of this therapeutic approach for host cells has not been yet elucidated. Hence, the aim of this study was to evaluate the cytotoxicity and apoptotic effects of curcumin-mediated aPDT on mouse fibroblasts. Cells were treated with 0.6 or 6 μmol.L-1 curcumin combined with 0.075 or 7.5 J.cm-2 LED at 455 nm. Cytotoxicity was determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and crystal violet (CV) assays, while quantitative reverse transcriptase-PCR (qRT-PCR) was used to assess the expression of Bax, Bad, Bcl-2, VDAC-1, cytochrome C, and Fas-L genes for apoptosis. The differences between groups were detected by Kruskal-Wallis and post hoc Dunn's tests for MTT and CV assays and by ANOVA and post hoc Tukey test for qRT-PCR (P < 0.05). The effect of 0.6 μmol.L-1 curcumin plus 0.075 J.cm-2 LED (minimum parameter) did not differ statistically from control group; however, the combination of 0.6 μmol.L-1 curcumin plus 7.5 J.cm-2 LED reduced viable cells in 34%, while the combinations of 6 μmol.L-1 curcumin plus 0.075 and 7.5 J.cm-2 LED reduced viable cells in 47% and 99%, respectively. aPDT increased significantly the relative expression of Bax/Bcl-2, cytochrome C, VDAC-1, and Fas-L genes, without influence on the ratio Bad/Bcl-2. Therefore, curcumin-mediated aPDT activated Bcl-2 apoptosis signaling pathways in mouse fibroblasts regarding present conditions, reducing the viability of cells with the increase of curcumin concentrations and light energies.
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Affiliation(s)
- Giuliana Campos Chaves Lamarque
- Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru School of Dentistry, University of São Paulo, Al. Dr. Octávio Pinheiro Brisolla, 9-75, Vila Universitária, Bauru, SP, 17012-901, Brazil
| | - Daniela Alejandra Cusicanqui Méndez
- Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru School of Dentistry, University of São Paulo, Al. Dr. Octávio Pinheiro Brisolla, 9-75, Vila Universitária, Bauru, SP, 17012-901, Brazil
| | - Adriana Arruda Matos
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, Brazil
| | - Thiago José Dionísio
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, Brazil
| | - Maria Aparecida Andrade Moreira Machado
- Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru School of Dentistry, University of São Paulo, Al. Dr. Octávio Pinheiro Brisolla, 9-75, Vila Universitária, Bauru, SP, 17012-901, Brazil
| | - Ana Carolina Magalhães
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, Brazil
| | - Rodrigo Cardoso Oliveira
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, Brazil
| | - Thiago Cruvinel
- Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru School of Dentistry, University of São Paulo, Al. Dr. Octávio Pinheiro Brisolla, 9-75, Vila Universitária, Bauru, SP, 17012-901, Brazil.
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Al Ahdal K, Al Deeb L, Al-Hamdan RS, Bin-Shuwaish MS, Al Deeb M, Maawadh AM, AlHelal A, Vohra F, Abduljabbar T. Influence of different photosensitizers on push-out bond strength of fiber post to radicular dentin. Photodiagnosis Photodyn Ther 2020; 31:101805. [DOI: 10.1016/j.pdpdt.2020.101805] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 04/19/2020] [Accepted: 04/29/2020] [Indexed: 01/12/2023]
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Seidi Damyeh M, Mereddy R, Netzel ME, Sultanbawa Y. An insight into curcumin-based photosensitization as a promising and green food preservation technology. Compr Rev Food Sci Food Saf 2020; 19:1727-1759. [PMID: 33337095 DOI: 10.1111/1541-4337.12583] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 05/08/2020] [Accepted: 05/12/2020] [Indexed: 12/11/2022]
Abstract
Consumer awareness on the side effects of chemical preservatives has increased the demand for natural preservation technologies. An efficient and sustainable alternative to current conventional preservation techniques should guarantee food safety and retain its quality with minimal side effects. Photosensitization, utilizing light and a natural photosensitizer, has been postulated as a viable and green alternative to the current conventional preservation techniques. The potential of curcumin as a natural photosensitizer is reviewed in this paper as a practical guide to develop a safe and effective decontamination tool for industrial use. The fundamentals of the photosensitization mechanism are discussed, with the main emphasis on the natural photosensitizer, curcumin, and its application to inactivate microorganisms as well as to enhance the shelf life of foods. Photosensitization has shown promising results in inactivating a wide spectrum of microorganisms with no reported microbial resistance due to its particular lethal mode of targeting nucleic acids. Curcumin as a natural photosensitizer has recently been investigated and demonstrated efficacy in decontamination and delaying spoilage. Moreover, studies have shown the beneficial impact of an appropriate encapsulation technique to enhance the cellular uptake of photosensitizers, and therefore, the phototoxicity. Further studies relating to improved delivery of natural photosensitizers with inherent poor solubility should be conducted. Also, detailed studies on various food products are warranted to better understand the impact of encapsulation on curcumin photophysical properties, photo-driven release mechanism, and nutritional and organoleptic properties of treated foods.
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Affiliation(s)
- Maral Seidi Damyeh
- Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, Coopers Plains, QLD, Australia
| | - Ram Mereddy
- Department of Agriculture and Fisheries, Queensland Government, Coopers Plains, QLD, Australia
| | - Michael E Netzel
- Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, Coopers Plains, QLD, Australia
| | - Yasmina Sultanbawa
- Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, Coopers Plains, QLD, Australia
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Antimicrobial photodynamic therapy reduces gene expression of Candida albicans in biofilms. Photodiagnosis Photodyn Ther 2020; 31:101825. [PMID: 32445962 DOI: 10.1016/j.pdpdt.2020.101825] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 05/14/2020] [Accepted: 05/15/2020] [Indexed: 02/08/2023]
Abstract
The present study evaluated whether the oxidative stress caused by antimicrobial photodynamic therapy (aPDT) affects the expression of C. albicans genes related to adhesion and biofilm formation (ALS1 and HPW1) and oxidative stress response (CAP1, CAT1, and SOD1). The aPDT was mediated by two photosensitizing agents (PSs) Photodithazine® (PDZ at 100 and 200 mg/L) or Curcumin (CUR at 40 and 80 μM) and LED (37.5 J/cm2 or 50 J/cm2). The quantification of the expression was performed by Reverse Transcription-Quantitative Polymerase Chain Reaction (RT-qPCR) using specific primers for the target genes. The data were analyzed by Analysis of Variance (α = 0.05), followed by Tukey's post-test. It was observed reduction in the expression of ALS1, HWP1, CAP1, CAT1, and SOD1 when aPDT was performed using 200 mg/L PDZ and 80 μM CUR associated to LED (37.7 and 50 J/cm2, respectively) and using 100 mg/L PDZ and 40 μM CUR with LED of 50 J/cm2 (versus control). Also, the expression of CAP1 and SOD1 genes was reduced after aPDT using 100 mg/L PDZ and LED of 37.5 J/cm2. There was a significant reduction in the expression of genes HWP1, CAP1, and SOD1 after aPDT using 40 μM CUR and 37.5 J/cm2 (versus the control group). The application of LED only at 37.5 and 50 J/cm2 promoted down-regulation of ALS1, CAP1, CAT1, and SOD1 genes (versus the control group). Therefore, aPDT mediated by LED -associated PSs PDZ and CUR promoted a reduction in the expression of the five C. albicans genes evaluated.
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Reinhardt LC, Nascente PS, Ribeiro JS, Guimarães VBS, Etges A, Lund RG. Sensitivity to antifungals by Candida spp samples isolated from cases of chronic atrophic candidiasis (CAC). BRAZ J BIOL 2020; 80:266-272. [PMID: 31291399 DOI: 10.1590/1519-6984.190454] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 09/10/2018] [Indexed: 01/23/2023] Open
Abstract
The treatment of choice for chronic atrophic candidiasis (CAC), also known as denture stomatitis, is topical antifungal therapy. This study aimed to isolate, identify, and assess the antifungal susceptibility of Candida species from mucosal sites in denture wearers with a diagnosis of CAC and determine the prevalence of associated variables. The sample consisted of 44 patients wearing complete or partial dentures who had a clinical diagnosis of CAC. Using sterile cotton swabs, specimens were collected from the oral mucosa of all patients and grown at 30ºC for 48 h in CHROMagar Candida, as a means of isolating and screening the species. The complementary identification of the species was performed using the VITEK 2 automated system (BioMérieux), as well as the determination of their susceptibility to antifungal agents. Data were analyzed using the chi-square test. STATA 13.1 was used for statistical analysis (α = 5%). Of 44 patients with CAC, 33 (75%) had lesions classified as Newton type II. Yeasts were isolated in 38 cases. The most prevalent species was Candida albicans. None of the isolates were resistant to the antifungals tested. Our findings suggest that current indications for antifungal agents are appropriate. Also, antifungal susceptibility testing and proper fungal identification can help dentists to determine the optimal course of treatment for CAC.
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Affiliation(s)
- L C Reinhardt
- Programa de Pós-graduação em Odontologia - PPGO, Laboratório de Microbiologia Oral, Faculdade de Odontologia, Universidade Federal de Pelotas - UFPel, Rua Gonçalves Chaves, 457, Sala 702/3, CEP , Pelotas, RS, Brasil
| | - P S Nascente
- Programa de Pós-graduação em Bioquímica e Bioprospecção - PPGBBio, Departamento de Microbiologia e Parasitologia, Laboratório de Micologia, Universidade Federal de Pelotas - UFPel, Campus Universitário Capão do Leão, s/n, , Capão do Leão, RS, Brasil
| | - J S Ribeiro
- Programa de Pós-graduação em Odontologia - PPGO, Laboratório de Microbiologia Oral, Faculdade de Odontologia, Universidade Federal de Pelotas - UFPel, Rua Gonçalves Chaves, 457, Sala 702/3, CEP , Pelotas, RS, Brasil
| | - V B S Guimarães
- Programa de Pós-graduação em Odontologia - PPGO, Laboratório de Microbiologia Oral, Faculdade de Odontologia, Universidade Federal de Pelotas - UFPel, Rua Gonçalves Chaves, 457, Sala 702/3, CEP , Pelotas, RS, Brasil
| | - A Etges
- Centro de Diagnóstico e Doenças da Boca - CDDB, Faculdade de Odontologia, Universidade Federal de Pelotas - UFPel, Rua Gonçalves Chaves, 457, Sala 607, CEP , Pelotas, RS, Brasil
| | - R G Lund
- Programa de Pós-graduação em Odontologia - PPGO, Laboratório de Microbiologia Oral, Faculdade de Odontologia, Universidade Federal de Pelotas - UFPel, Rua Gonçalves Chaves, 457, Sala 702/3, CEP , Pelotas, RS, Brasil.,Programa de Pós-graduação em Bioquímica e Bioprospecção - PPGBBio, Departamento de Microbiologia e Parasitologia, Laboratório de Micologia, Universidade Federal de Pelotas - UFPel, Campus Universitário Capão do Leão, s/n, , Capão do Leão, RS, Brasil
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F RM, N S, N A. Gold-Curcumin Nanostructure in Photo-thermal Therapy on Breast Cancer Cell Line: 650 and 808 nm Diode Lasers as Light Sources. J Biomed Phys Eng 2019; 9:473-482. [PMID: 31531301 PMCID: PMC6709349 DOI: 10.31661/jbpe.v0i0.906] [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: 02/04/2018] [Accepted: 03/28/2018] [Indexed: 11/21/2022]
Abstract
Background: Au nanoparticles (AuNPs) exhibit very unique physiochemical and optical properties, which now are extensively studied in a range of medical diagnostic and therapeutic applications. AuNPs can be used for cancer clinical treatment with minimal invasion. On the other hand, curcumin is a polyphenol derived from turmeric which is used for medical purposes due to its anti-cancer, anti-microbial, anti-oxidant and anti-inflammatory properties. Despite these potential properties of curcumin, its usage is limited in medicine due to low solubility in water. Conjugation of curcumin to AuNPs (Au-Cur nanostructure) can be increasing its solubility. Photo-thermal therapy (PTT) is a novel kind of cancer treatment which involves two major components: laser and photo-thermoconversion agents.
Materials and Methods: Here, diode lasers emitting 808 nm and 650 nm were utilized as light sources, and synthesized Au-Cur nanostructure was applied as a photo-thermo conversion agent. UV-vis absorbance spectroscopy and dynamic light scattering (DLS) were applied to study the maximum absorption of particles, size stability of the samples and their zeta potential. The synthesized Au-Cur nanostructure under irradiation of laser is used for PPT on 4T1 cells. The cytotoxicity activity of Au-Cur nanostructure and laser irradiation on 4T1 cells was evaluated by MTT assay.
Results: Synthesized Au-Cur nanostructure showed λmax at 540 nm and a mean hydrodynamic diameter of 25.8 nm. 4T1 cells were exposed to an 808 nm diode laser (1.5 W cm2, 10 min) in the presence of different concentrations of Au-Cur nanostructure. Next, 4T1 cells with Au-Vur nanostructure were exposed to diode laser beam (650 nm, 1.5 W cm2) for 10 min. The results revealed that Au-Cur nanostructure under laser irradiation of 808 nm more decreased cell viability of 4T1 cells compared to laser irradiation of 650 nm.
Conclusion: It was concluded that combining an 808-nm laser at a power density of 1.5W/cm2 with Au-Cur nanostructure has a destruction effect on 4T1 breast cancer cells in vitro experiments compared to laser irradiation of 650 nm.
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Affiliation(s)
- Rahimi-Moghaddam F
- Department of Medical Physics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sattarahmady N
- Department of Medical Physics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Nanomedicine and Nanobiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Azarpira N
- Transplant Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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de Oliveira AB, Ferrisse TM, Marques RS, de Annunzio SR, Brighenti FL, Fontana CR. Effect of Photodynamic Therapy on Microorganisms Responsible for Dental Caries: A Systematic Review and Meta-Analysis. Int J Mol Sci 2019; 20:ijms20143585. [PMID: 31340425 PMCID: PMC6678311 DOI: 10.3390/ijms20143585] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 06/24/2019] [Accepted: 06/25/2019] [Indexed: 12/21/2022] Open
Abstract
The aim of this study was to perform a systematic review of the literature followed by a meta-analysis about the efficacy of photodynamic therapy (PDT) on the microorganisms responsible for dental caries. The research question and the keywords were constructed according to the PICO strategy. The article search was done in Embase, Lilacs, Scielo, Medline, Scopus, Cochrane Library, Web of Science, Science Direct, and Pubmed databases. Randomized clinical trials and in vitro studies were selected in the review. The study was conducted according the PRISMA guideline for systematic review. A total of 34 articles were included in the qualitative analysis and four articles were divided into two subgroups to perform the meta-analysis. Few studies have achieved an effective microbial reduction in microorganisms associated with the pathogenesis of dental caries. The results highlight that there is no consensus about the study protocols for PDT against cariogenic microorganisms, although the results showed the PDT could be a good alternative for the treatment of dental caries.
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Affiliation(s)
- Analú Barros de Oliveira
- São Paulo State University (UNESP), School of Dentistry, Araraquara, São Paulo 14801-903, Brazil
| | - Túlio Morandin Ferrisse
- São Paulo State University (UNESP), School of Dentistry, Araraquara, São Paulo 14801-903, Brazil
| | - Raquel Souza Marques
- São Paulo State University (UNESP), School of Dentistry, Araraquara, São Paulo 14801-903, Brazil
| | - Sarah Raquel de Annunzio
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, São Paulo 14800-903, Brazil
| | | | - Carla Raquel Fontana
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, São Paulo 14800-903, Brazil.
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Comparison of different laser-based photochemical systems for periodontal treatment. Photodiagnosis Photodyn Ther 2019; 27:433-439. [PMID: 31319164 DOI: 10.1016/j.pdpdt.2019.06.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 06/08/2019] [Accepted: 06/14/2019] [Indexed: 11/23/2022]
Abstract
PURPOSE The main aim in periodontitis treatment is to remove supragingival and subgingival biofilm. Mechanical treatment to eliminate pathogenic bacteria is limited by morphological conditions on the root surface. This study assessed the antibacterial effectiveness of different laser-based photochemical systems, particularly a novel curcumin-based option. METHODS Ninety-one titanium bars were inoculated with an artificial biofilm of common pathogenic periodontal bacteria and inserted into an artificial periodontal pocket model. The following groups (n = 13) were tested: 1, curcumin solution plus SLB laser irradiation (C + L; 445 nm, 0.6 W, 25% duty cycle, 100 Hz, 10 s); 2, curcumin solution (Cur); 3, dimethyl sulfoxide solution (DMSO); 4, SiroLaser Blue (SLB) - laser irradiation (445 nm, 0.6 W, 25% duty cycle, 100 Hz, 10 s); 5, antimicrobial photodynamic therapy (aPDT); 6, antimicrobial photothermal therapy (aPTT); 7, control. The samples were stored in Eppendorf tubes and analyzed microbiologically using quantitative real-time polymerase chain reaction (PCR). The main parameter for analyzing group differences was the total bacterial load. Statistical analysis was performed with nonparametric methods. RESULTS Statistically significant reductions in bacterial count were observed in all experimental groups (p < 0.05). The mean percentage reductions were as follows: SLB, 95.03%; aPDT, 83.91%; DMSO, 95.69%; C + L, 97.15%. No statistically significant differences in bacteria reduction were observed for laser alone (SLB), DMSO, or curcumin with or without additional laser irradiation. CONCLUSIONS The greatest antibacterial efficacy was observed in samples treated with aPTT. Using curcumin as a photosensitizing agent for 445 nm laser irradiation did not result in improved antibacterial effectiveness in comparison with laser alone.
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Calixto GMF, de Annunzio SR, Victorelli FD, Frade ML, Ferreira PS, Chorilli M, Fontana CR. Chitosan-Based Drug Delivery Systems for Optimization of Photodynamic Therapy: a Review. AAPS PharmSciTech 2019; 20:253. [PMID: 31309346 DOI: 10.1208/s12249-019-1407-y] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 04/26/2019] [Indexed: 02/08/2023] Open
Abstract
Drug delivery systems (DDS) can be designed to enrich the pharmacological and therapeutic properties of several drugs. Many of the initial obstacles that impeded the clinical applications of conventional DDS have been overcome with nanotechnology-based DDS, especially those formed by chitosan (CS). CS is a linear polysaccharide obtained by the deacetylation of chitin, which has potential properties such as biocompatibility, hydrophilicity, biodegradability, non-toxicity, high bioavailability, simplicity of modification, aqueous solubility, and excellent chemical resistance. Furthermore, CS can prepare several DDS as films, gels, nanoparticles, and microparticles to improve delivery of drugs, such as photosensitizers (PS). Thus, CS-based DDS are broadly investigated for photodynamic therapy (PDT) of cancer and fungal and bacterial diseases. In PDT, a PS is activated by light of a specific wavelength, which provokes selective damage to the target tissue and its surrounding vasculature, but most PS have low water solubility and cutaneous photosensitivity impairing the clinical use of PDT. Based on this, the application of nanotechnology using chitosan-based DDS in PDT may offer great possibilities in the treatment of diseases. Therefore, this review presents numerous applications of chitosan-based DDS in order to improve the PDT for cancer and fungal and bacterial diseases.
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Ambrosio JAR, Pinto BCDS, Godoy DDS, Carvalho JA, Abreu ADS, da Silva BGM, Leonel LDC, Costa MS, Beltrame Junior M, Simioni AR. Gelatin nanoparticles loaded methylene blue as a candidate for photodynamic antimicrobial chemotherapy applications in Candida albicans growth. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2019; 30:1356-1373. [PMID: 31215329 DOI: 10.1080/09205063.2019.1632615] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Gelatin nanoparticles (GN) with an intrinsic antimicrobial activity maybe a good choice to improve the effectiveness of photodynamic antimicrobial chemotherapy (PACT). The aim of this study was to development gelatin nanoparticles loaded methylene blue (GN-MB) and investigate the effect of GN-MB in the Candida albicans growth by PACT protocols. The GN and GN-MB were prepared by two-step desolvation. The nanoparticulate systems were studied by scanning electron microscopy and steady-state techniques, the in vitro drug release was investigated, and we studied the effect of PACT on C. albicans growth. Satisfactory yields and encapsulation efficiency of GN-MB were obtained (yield = 76.0% ± 2.1 and EE = 84.0% ± 1.3). All the spectroscopic results presented here showed excellent photophysical parameters of the studied drug. Entrapment of MB in GN significantly prolongs it's in vitro release. The results of PACT experiments clearly demonstrated that the photosensitivity of C. albicans was higher when GN-MB was used. Gelatin nanoparticles loaded methylene blue-mediated photodynamic antimicrobial chemotherapy may be used against Candida albicans growth.
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Affiliation(s)
| | | | - Daniele da Silva Godoy
- a Research and Development Institute - IPD , Vale do Paraíba University - UNIVAP , São José dos Campos , Brazil
| | - Janicy Arantes Carvalho
- a Research and Development Institute - IPD , Vale do Paraíba University - UNIVAP , São José dos Campos , Brazil
| | - Alexandro da Silva Abreu
- a Research and Development Institute - IPD , Vale do Paraíba University - UNIVAP , São José dos Campos , Brazil
| | | | - Leonardo de Carvalho Leonel
- a Research and Development Institute - IPD , Vale do Paraíba University - UNIVAP , São José dos Campos , Brazil
| | - Maricilia Silva Costa
- a Research and Development Institute - IPD , Vale do Paraíba University - UNIVAP , São José dos Campos , Brazil
| | - Milton Beltrame Junior
- a Research and Development Institute - IPD , Vale do Paraíba University - UNIVAP , São José dos Campos , Brazil
| | - Andreza Ribeiro Simioni
- a Research and Development Institute - IPD , Vale do Paraíba University - UNIVAP , São José dos Campos , Brazil
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Ma J, Shi H, Sun H, Li J, Bai Y. Antifungal effect of photodynamic therapy mediated by curcumin on Candida albicans biofilms in vitro. Photodiagnosis Photodyn Ther 2019; 27:280-287. [PMID: 31233886 DOI: 10.1016/j.pdpdt.2019.06.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 06/11/2019] [Accepted: 06/20/2019] [Indexed: 01/01/2023]
Abstract
BACKGROUND Canida albicans can cause opportunistic infections ranging from superficial mucous membrane lesions to life-threatening disease. The aim of this study is to investigate the antifungal effect of photodynamic therapy (PDT) mediated by curcumin (CUR) on C. albicans biofilms in vitro. METHODS One standard strain ATCC 90028 and two clinical isolates from HIV (CCA1) and oral lichen planus (CCA2) patients' oral cavities were used in this study. Biofilms were photosensitized with 60 μM CUR and irradiated by light emitting diode (LED) under the wavelength of 455 nm and energy densities of 2.64, 5.28, 7.92, 10.56, 13.2 J/cm2. Then the antifungal effects of CUR-PDT were evaluated by XTT reduction assay and confocal light scanning microscopy (CLSM) observations. The effects of CUR-PDT on the expression levels of hypha-specific and biofilm-related genes including EFG1, UME6, HGC1 and ECE1 were assessed by quantitative Real-time PCR (qRT-PCR) method. RESULTS The inhibition rates after CUR-PDT in three biofilms(ATCC 90028, CCA1, CCA2)were 90.87%, 66.44% and 86.74% respectively (p < 0.05). Relative gene expression levels of EFG1, UME6, HGC1 and ECE1 were all downregulated after CUR-PDT, with fold-decrease of 6.865, 3.382, 2.167 and 6.887 in ATCC 90028, 2.466, 2.146, 1.627 and 3.102 in CCA1, and 5.406, 2.347, 2.073and 3.711 in CCA2 (p < 0.05). CONCLUSIONS Curcumin-mediated PDT could effectively inactivateCandida albicans biofilms in vitro. Expression of genes involved in biofilms formation were downregulated after CUR-PDT.
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Affiliation(s)
- Jing Ma
- Institution: Department of Stomatology, Huashan Hospital, Fudan University, No.12, Rd. Wulumuqi, Shanghai, China.
| | - Hang Shi
- Institution: Department of Stomatology, Huashan Hospital, Fudan University, No.12, Rd. Wulumuqi, Shanghai, China.
| | - Hongying Sun
- Institution: Department of Stomatology, Huashan Hospital, Fudan University, No.12, Rd. Wulumuqi, Shanghai, China.
| | - Jiyang Li
- Institution: School of Pharmacy, Fudan University, No.826, Rd. Zhangheng, Shanghai, China.
| | - Yu Bai
- Institution: Department of Stomatology, Huashan Hospital, Fudan University, No.12, Rd. Wulumuqi, Shanghai, China.
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Azizi A, Shohrati P, Goudarzi M, Lawaf S, Rahimi A. Comparison of the effect of photodynamic therapy with curcumin and methylene Blue on streptococcus mutans bacterial colonies. Photodiagnosis Photodyn Ther 2019; 27:203-209. [PMID: 31176042 DOI: 10.1016/j.pdpdt.2019.06.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 05/31/2019] [Accepted: 06/03/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND AND AIM Streptococcus mutans (S. mutans) is a bacterium that colonizes in the mouth and is a common cause of dental caries and periodontal diseases. This bacterium comprises 70% of the bacteria in the dental plaque. Although tooth decay is a multifactorial complication, S. mutans biofilms are the main cause of cavitated carious lesions. Considering the importance of this microorganism, we aimed at investigating the effect of photodynamic therapy (PDT) using curcumin (CUR) and methylene blue (MB) photosensitizers on S. mutans. MATERIALS AND METHODS In this in-vitro experimental study, first, samples of S. mutans were prepared in 110 test tubes and were randomly assigned to 11 groups after colony counting: 1) Positive control group, 2) Negative control group, 3) CUR extract group, 4) 460-nm laser group, 5) 460-nm continuous laser + CUR group, 6) 460-nm discontinues 50% duty cycle (DC) laser + CUR group, 7) 660-nm laser group, 8) 660-nm laser + MB group, 9) MB group, 10) dental light-curing group, and 11) chlorhexidine (CHX) group. After the intervention, cultivation was performed again in blood agar medium, and the bacterial colony-forming units per milliliter (CFU/ml) were counted again. Data were analyzed using analysis of variance (ANOVA) and Tukey's test. RESULTS CHX and 460-nm low-level continuous laser + CUR had the highest and most significant effect on inhibiting the growth of S. mutans bacterial colonies and showed significant differences with other groups (P < 0.001). CONCLUSION According to the results, MB- and CUR-mediated PDT can significantly eradicate S. mutans colonies.
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Affiliation(s)
- Arash Azizi
- Oral medicine department, Faculty of dentistry, Tehran medical sciences, Islamic Azad University, Tehran, Iran.
| | - Parastoo Shohrati
- Oral medicine department, Faculty of dentistry, Tehran medical sciences, Islamic Azad University, Tehran, Iran.
| | - Mehdi Goudarzi
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Shirin Lawaf
- Prosthodontics department, Faculty of dentistry, Tehran medical sciences, Islamic Azad University, Tehran. Iran.
| | - Arash Rahimi
- Biophysics department, Islamic Azad University, Science and Research Branch, Tehran, Iran.
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In vitro comparison of the effect of photodynamic therapy with curcumin and methylene blue on Candida albicans colonies. Photodiagnosis Photodyn Ther 2019; 26:193-198. [DOI: 10.1016/j.pdpdt.2019.03.017] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 03/19/2019] [Accepted: 03/22/2019] [Indexed: 12/27/2022]
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Praditya D, Kirchhoff L, Brüning J, Rachmawati H, Steinmann J, Steinmann E. Anti-infective Properties of the Golden Spice Curcumin. Front Microbiol 2019; 10:912. [PMID: 31130924 PMCID: PMC6509173 DOI: 10.3389/fmicb.2019.00912] [Citation(s) in RCA: 164] [Impact Index Per Article: 32.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 04/10/2019] [Indexed: 01/02/2023] Open
Abstract
The search for novel anti-infectives is one of the most important challenges in natural product research, as diseases caused by bacteria, viruses, and fungi are influencing the human society all over the world. Natural compounds are a continuing source of novel anti-infectives. Accordingly, curcumin, has been used for centuries in Asian traditional medicine to treat various disorders. Numerous studies have shown that curcumin possesses a wide spectrum of biological and pharmacological properties, acting, for example, as anti-inflammatory, anti-angiogenic and anti-neoplastic, while no toxicity is associated with the compound. Recently, curcumin’s antiviral and antibacterial activity was investigated, and it was shown to act against various important human pathogens like the influenza virus, hepatitis C virus, HIV and strains of Staphylococcus, Streptococcus, and Pseudomonas. Despite the potency, curcumin has not yet been approved as a therapeutic antiviral agent. This review summarizes the current knowledge and future perspectives of the antiviral, antibacterial, and antifungal effects of curcumin.
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Affiliation(s)
- Dimas Praditya
- Department of Molecular and Medical Virology, Ruhr-University Bochum, Bochum, Germany.,Institute of Experimental Virology, Twincore - Centre for Experimental and Clinical Infection Research, A Joint Venture Between the Medical School Hannover and The Helmholtz Centre for Infection Research, Hanover, Germany.,Research Center for Biotechnology, Indonesian Institute of Science, Cibinong, Indonesia
| | - Lisa Kirchhoff
- Institute of Medical Microbiology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Janina Brüning
- Department of Molecular and Medical Virology, Ruhr-University Bochum, Bochum, Germany
| | - Heni Rachmawati
- School of Pharmacy, Bandung Institute of Technology, Bandung, Indonesia.,Research Center for Nanosciences and Nanotechnology, Bandung Institute of Technology, Bandung, Indonesia
| | - Joerg Steinmann
- Institute of Medical Microbiology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany.,Institute of Clinical Hygiene, Medical Microbiology and Infectiology, Klinikum Nürnberg, Paracelsus Medical University, Nuremberg, Germany
| | - Eike Steinmann
- Department of Molecular and Medical Virology, Ruhr-University Bochum, Bochum, Germany
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Lamarque GCC, Méndez DAC, Gutierrez E, Dionisio EJ, Machado MAAM, Oliveira TM, Rios D, Cruvinel T. Could chlorhexidine be an adequate positive control for antimicrobial photodynamic therapy in- in vitro studies? Photodiagnosis Photodyn Ther 2019; 25:58-62. [DOI: 10.1016/j.pdpdt.2018.11.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Revised: 10/25/2018] [Accepted: 11/02/2018] [Indexed: 10/27/2022]
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Pinheiro SL, Bonadiman AC, Borges Lemos ALDA, Annicchino BM, Segatti B, Pucca DS, Dutra PT, de Carvalho e Silva RM, Leal F. Photobiomodulation Therapy in Cancer Patients with Mucositis: A Clinical Evaluation. PHOTOBIOMODULATION PHOTOMEDICINE AND LASER SURGERY 2019; 37:142-150. [DOI: 10.1089/photob.2018.4526] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Sérgio Luiz Pinheiro
- School of Dentistry, Pontifícia Universidade Católica de Campinas, Campinas, SP, Brazil
| | - Ana Cláudia Bonadiman
- Dentistry Clinic, Pontifícia Universidade Católica de Campinas, Campinas, SP, Brazil
| | | | - Bruna Maki Annicchino
- Dentistry Clinic, Pontifícia Universidade Católica de Campinas, Campinas, SP, Brazil
| | - Bruna Segatti
- Dentistry Clinic, Pontifícia Universidade Católica de Campinas, Campinas, SP, Brazil
| | | | | | | | - Frederico Leal
- Department of Oncology, Pontifícia Universidade Católica de Campinas, Campinas, SP, Brazil
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Could a chelant improve the effect of curcumin-mediated photodynamic antimicrobial chemotherapy against dental intact biofilms? Lasers Med Sci 2019; 34:1185-1192. [DOI: 10.1007/s10103-018-02708-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Accepted: 12/14/2018] [Indexed: 12/20/2022]
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48
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Merigo E, Chevalier M, Conti S, Ciociola T, Fornaini C, Manfredi M, Vescovi P, Doglio A. Antimicrobial effect on Candida albicans biofilm by application of different wavelengths and dyes and the synthetic killer decapeptide KP. Laser Ther 2019; 28:180-186. [PMID: 32009731 DOI: 10.5978/islsm.28_19-or-14] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Accepted: 02/20/2019] [Indexed: 12/16/2022]
Abstract
The aim of this study was to test the application in vitro of different laser wavelengths at a low fluence in combination or not with proper photosensitizing dyes on Candida albicans biofilm with or without a synthetic killer decapeptide (KP). Candida albicans SC5314 was grown on Sabouraud dextrose agar plates at 37°C for 24 h. Cells were suspended in RPMI 1640 buffered with MOPS and cultured directly on the flat bottom of 96-wells plates. The previously described killer decapeptide KP was used in this study. Three different combinations of wavelengths and dyes were applied, laser irradiation has been performed at a fluence of 10 J/cm2. The effect on C. albicans biofilm was evaluated by the XTT assay. Microscopic observations were realized by fluorescence optic microscopy with calcofluor white and propidium iodide. Compared with control, no inhibition of C. albicans biofilm viability was obtained with application of red, blue and green lasers alone or with any combination of red diode laser, toluidine blue and KP. The combined application of blue diode laser with curcumin and/or KP showed always a very significant inhibition, as curcumin alone and the combination of curcumin and KP did, while combination of blue diode laser and KP gave a less significant inhibition, the same obtained with KP alone. The combined application of green diode laser with erythrosine and/or KP showed always a very significant inhibition, as the combination of erythrosine and KP did, but no difference was observed with respect to the treatment with erythrosine alone. Again, combination of green diode laser and KP gave a significant inhibition, although paradoxically lower than the one obtained with KP alone. Treatment with KP alone, while reducing biofilm viability did not cause C. albicans death in the adopted experimental conditions. On the contrary, combined treatment with blue laser, curcumin and KP, as well as green laser, erythrosine and KP led to death most C. albicans cells. The combination of laser light at a fluence of 10 J/cm2 and the appropriate photosensitizing agent, together with the use of KP, proved to exert differential effects on C. albicans biofilm.
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Affiliation(s)
- Elisabetta Merigo
- Department of Medicine and Surgery, University of Parma, Italy.,Micoralis Laboratory, Faculty of Dentistry, University of Nice Sophia Antipolis, Nice, France
| | - Marlène Chevalier
- Micoralis Laboratory, Faculty of Dentistry, University of Nice Sophia Antipolis, Nice, France
| | - Stefania Conti
- Department of Medicine and Surgery, University of Parma, Italy
| | - Tecla Ciociola
- Department of Medicine and Surgery, University of Parma, Italy
| | - Carlo Fornaini
- Micoralis Laboratory, Faculty of Dentistry, University of Nice Sophia Antipolis, Nice, France.,Group of Applied ElectroMagnetics, Department of Engineering and Architecture, University of Parma, Italy
| | | | - Paolo Vescovi
- Department of Medicine and Surgery, University of Parma, Italy
| | - Alain Doglio
- Micoralis Laboratory, Faculty of Dentistry, University of Nice Sophia Antipolis, Nice, France
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Parasuraman P, Anju VT, Sruthil Lal SB, Sharan A, Busi S, Kaviyarasu K, Arshad M, Dawoud TMS, Syed A. Synthesis and antimicrobial photodynamic effect of methylene blue conjugated carbon nanotubes on E. coli and S. aureus. Photochem Photobiol Sci 2019; 18:563-576. [DOI: 10.1039/c8pp00369f] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The methylene blue and CNT nanoconjugate effectively produced singlet oxygen via photoactivation using a diode laser. It was employed for aPDT against pathogenic bacteria.
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Affiliation(s)
| | - V. T Anju
- Department of Microbiology
- School of Life Sciences
- Pondicherry University
- Puducherry
- India
| | - SB Sruthil Lal
- Department of Physics
- School of Physical
- Chemical & Applied Sciences
- Pondicherry University
- Puducherry
| | - Alok Sharan
- Department of Physics
- School of Physical
- Chemical & Applied Sciences
- Pondicherry University
- Puducherry
| | - Siddhardha Busi
- Department of Microbiology
- School of Life Sciences
- Pondicherry University
- Puducherry
- India
| | - K. Kaviyarasu
- UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology Laboratories
- College of Graduate Studies
- University of South Africa (UNISA)
- Pretoria
- South Africa
| | - Mohammed Arshad
- Clinical Laboratory Sciences Department
- College of Applied Medical Science
- King Saud University
- Riyadh 11451
- Saudi Arabia
| | - Turki M. S. Dawoud
- Department of Botany and Microbiology
- College of Science
- King Saud University
- Riyadh
- Saudi Arabia
| | - Asad Syed
- Department of Botany and Microbiology
- College of Science
- King Saud University
- Riyadh
- Saudi Arabia
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50
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dos Santos RF, Campos BS, Rego Filho FDAMG, Moraes JDO, Albuquerque ALI, da Silva MCD, dos Santos PV, de Araujo MT. Photodynamic inactivation of S. aureus with a water-soluble curcumin salt and an application to cheese decontamination. Photochem Photobiol Sci 2019; 18:2707-2716. [DOI: 10.1039/c9pp00196d] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In this study, the optimal parameters for the photodynamic inactivation (PDI) of Staphylococcus aureus in bacterial suspensions and in cheese were assessed using a water-soluble curcumin salt as the photosensitizer (PS).
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