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Zheng N, Xie Y, Zhou M, Liu Y, Xu H, Zeng R, Wan C, Li M. Utilizing the photodynamic properties of curcumin to disrupt biofilms in Cutibacterium acnes: A promising approach for treating acne. Photodiagnosis Photodyn Ther 2024; 45:103928. [PMID: 38070633 DOI: 10.1016/j.pdpdt.2023.103928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 11/27/2023] [Accepted: 12/06/2023] [Indexed: 02/15/2024]
Abstract
BACKGROUND The treatment of acne vulgaris is often challenging due to the antibiotic resistance frequently observed in Cutibacterium acnes (C.acnes), a prevalent bacterium linked to this condition. OBJECTIVE The objective of this research was to examine the impact of curcumin photodynamic therapy (PDT) on the survival of C.acnes and activity of biofilms produced by this microorganism. METHODS Following the Clinical and Laboratory Standards Institute (CLSI) guidelines, we assessed the drug sensitivity of 25 clinical C.acnes strains to five antibiotics (erythromycin, clindamycin, tetracycline, doxycycline, minocycline) and curcumin by implementing the broth microdilution technique. In addition, we established C.acnes biofilms in a laboratory setting and subjected them to curcumin-PDT(curcumin combined with blue light of 180 J/cm2). Afterwards, we evaluated their viability using the XTT assay and observed them using confocal laser scanning microscopy. RESULTS The result revealed varying resistance rates among the tested antibiotics and curcumin, with erythromycin, clindamycin, tetracycline, doxycycline, minocycline, and curcumin exhibiting resistance rates of 72 %, 44 %, 36 %, 28 %, 0 %, and 100 %, respectively. In the curcumin-PDT inhibition tests against four representative antibiotic-resistant strains, it was found that the survival rate of all strains of planktonic C. acnes was reduced, and the higher the concentration of curcumin, the lower the survival rate. Furthermore, in the biofilm inhibition tests, the vitality and three-dimensional structure of the biofilms were disrupted, and the inhibitory effect became more significant with higher concentrations of curcumin. CONCLUSION The results emphasize the possibility of using curcumin PDT as an alternative approach for the treatment of C.acnes, especially in instances of antibiotic-resistant variations and infections related to biofilms.
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Affiliation(s)
- Nana Zheng
- Department of Dermatology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210003, China
| | - Yuanyuan Xie
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Center for Global Health, School of Public Health, Nanjing Medical University, Hospital for Skin Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, 12 Jiang Wang Miao Street, Nanjing, Jiangsu 210042, China
| | - Meng Zhou
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Center for Global Health, School of Public Health, Nanjing Medical University, Hospital for Skin Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, 12 Jiang Wang Miao Street, Nanjing, Jiangsu 210042, China
| | - Yuzhen Liu
- Department of Dermatology, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing 211100, China
| | - Haoxiang Xu
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Center for Global Health, School of Public Health, Nanjing Medical University, Hospital for Skin Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, 12 Jiang Wang Miao Street, Nanjing, Jiangsu 210042, China
| | - Rong Zeng
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Center for Global Health, School of Public Health, Nanjing Medical University, Hospital for Skin Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, 12 Jiang Wang Miao Street, Nanjing, Jiangsu 210042, China; Department of Dermatology, Yunnan Provincia Hospital of Traditional Chinese Medicine, 120 Guanghua Street, Kunming, Yunnan 650000, China.
| | - Chunping Wan
- Department of Dermatology, Yunnan Provincia Hospital of Traditional Chinese Medicine, 120 Guanghua Street, Kunming, Yunnan 650000, China; Traditional Chinese Medicine Hospital of Chuxiong, Yunnan, 675000, PR China.
| | - Min Li
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Center for Global Health, School of Public Health, Nanjing Medical University, Hospital for Skin Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, 12 Jiang Wang Miao Street, Nanjing, Jiangsu 210042, China.
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Silva E Carvalho I, Pratavieira S, Salvador Bagnato V, Alves F. Sonophotodynamic inactivation of Pseudomonas aeruginosa biofilm mediated by curcumin. BIOFOULING 2023; 39:606-616. [PMID: 37537876 DOI: 10.1080/08927014.2023.2241385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 07/20/2023] [Accepted: 07/23/2023] [Indexed: 08/05/2023]
Abstract
The inactivation of Pseudomonas aeruginosa biofilm is a major challenge, as biofilms are less responsive to conventional treatments and responsible for persistent infections. This has led to the investigation of alternative approaches for biofilm control such as photodynamic (PDI) and sonodynamic (SDI) inactivation. The combination of them, known as Sonophotodynamic Inactivation (SPDI), has improved the effectiveness of the process. Curcumin, a well-established photosensitizer, has been identified as a potential sonosensitizer. This study evaluated the most effective combination for SPDI against P. aeruginosa biofilms in vitro, varying curcumin concentrations and ultrasound intensities. The results indicated that the inactivation was directly proportional to the curcumin concentration. Using curcumin 120 µM and 3.0 W.cm-2 of ultrasound intensity, SPDI demonstrated the highest and the best synergistic results, equivalent to 6.9 ± 2.1 logs of reduction. PDI reduced 0.7 ± 0.9 log and SDI had no effect. In conclusion, SPDI with curcumin is a promising approach for biofilm inactivation.
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Affiliation(s)
| | | | - Vanderlei Salvador Bagnato
- São Carlos Institute of Physics, University of São Paulo, São Carlos, Brazil
- Department of Biomedical Engineering, College of Engineering, TX A&M University, College Station, TX, USA
| | - Fernanda Alves
- São Carlos Institute of Physics, University of São Paulo, São Carlos, Brazil
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3
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Xu Y, Liu S, Zhao H, Li Y, Cui C, Chou W, Zhao Y, Yang J, Qiu H, Zeng J, Chen D, Wu S, Tan Y, Wang Y, Gu Y. Ultrasonic irradiation enhanced the efficacy of antimicrobial photodynamic therapy against methicillin-resistant Staphylococcus aureus biofilm. ULTRASONICS SONOCHEMISTRY 2023; 97:106423. [PMID: 37235946 DOI: 10.1016/j.ultsonch.2023.106423] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 04/24/2023] [Accepted: 04/26/2023] [Indexed: 05/28/2023]
Abstract
Antimicrobial photodynamic therapy (aPDT) is a non-pharmacological antimicrobial regimen based on light, photosensitizer and oxygen. It has become a potential method to inactivate multidrug-resistant bacteria. However, limited by the delivery of photosensitizer (PS) in biofilm, eradicating biofilm-associated infections by aPDT remains challenging. This study aimed to explore the feasibility of combining ultrasonic irradiation with aPDT to enhance the efficacy of aPDT against methicillin-resistant staphylococcus aureus (MRSA) biofilm. A cationic benzylidene cyclopentanone photosensitizer with much higher selectivity to bacterial cells than mammalian cells were applied at the concentration of 10 μM. 532 nm laser (40 mW/cm2, 10 min) and 1 MHz ultrasound (500 mW/cm2, 10 min, simultaneously with aPDT) were employed against MRSA biofilms in vitro. In addition to combined with ultrasonic irradiation and aPDT, MRSA biofilms were treated with laser irradiation only, photosensitizer only, ultrasonic irradiation only, ultrasonic irradiation and photosensitizer, and aPDT respectively. The antibacterial efficacy was determined by XTT assay, and the penetration depth of PS in biofilm was observed using a photoluminescence spectrometer and a confocal laser scanning microscopy (CLSM). In addition, the viability of human dermal fibroblasts (WS-1 cells) after the same treatments mentioned above and the uptake of P3 by WS-1 cells after ultrasonic irradiation were detected by CCK-8 and CLSM in vitro. Results showed that the percent decrease in metabolic activity resulting from the US + aPDT group (75.76%) was higher than the sum of the aPDT group (44.14%) and the US group (9.88%), suggesting synergistic effects. Meanwhile, the diffusion of PS in the biofilm of MRSA was significantly increased by 1 MHz ultrasonic irradiation. Ultrasonic irradiation neither induced the PS uptake by WS-1 cells nor reduced the viability of WS-1 cells. These results suggested that 1 MHz ultrasonic irradiation significantly enhanced the efficacy of aPDT against MRSA biofilm by increasing the penetration depth of PS. In addition, the antibacterial efficacy of aPDT can be enhanced by ultrasonic irradiation, the US + aPDT treatment demonstrated encouraging in vivo antibacterial efficacy (1.73 log10 CFU/mL reduction). In conclusion, the combination of aPDT and 1 MHz ultrasound is a potential and promising strategy to eradicate biofilm-associated infections of MRSA.
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Affiliation(s)
- Yixuan Xu
- Medical School of Chinese PLA, Beijing 100853, China; Department of Laser Medicine, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Shiyang Liu
- Technical Institute of Physics and Chemistry Academy of Sciences, Beijing 100190, China
| | - Hongyou Zhao
- Institute of Engineering Medicine, Beijing Institute of Technology, Beijing 100081, China
| | - Yi Li
- Medical School of Chinese PLA, Beijing 100853, China; Department of Laser Medicine, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Chao Cui
- Medical School of Chinese PLA, Beijing 100853, China; Department of Laser Medicine, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Wenxin Chou
- Institute of Engineering Medicine, Beijing Institute of Technology, Beijing 100081, China
| | - Yuxia Zhao
- Technical Institute of Physics and Chemistry Academy of Sciences, Beijing 100190, China
| | - Jiyong Yang
- Department of Microbiology, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Haixia Qiu
- Department of Laser Medicine, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Jing Zeng
- Department of Laser Medicine, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Defu Chen
- Institute of Engineering Medicine, Beijing Institute of Technology, Beijing 100081, China
| | - Shengnan Wu
- Institute of Engineering Medicine, Beijing Institute of Technology, Beijing 100081, China
| | - Yizhou Tan
- Department of Laser Medicine, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Ying Wang
- Department of Laser Medicine, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China.
| | - Ying Gu
- Department of Laser Medicine, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China; Institute of Engineering Medicine, Beijing Institute of Technology, Beijing 100081, China; Precision Laser Medical Diagnosis and Treatment Innovation Unit, Chinese Academy of Medical Sciences, Beijing 100730, China.
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Zeng J, Chen D, Lv C, Qin K, Zhou Q, Pu N, Song S, Wang X. Antimicrobial and anti-biofilm activity of Polygonum chinense L.aqueous extract against Staphylococcus aureus. Sci Rep 2022; 12:21988. [PMID: 36539472 PMCID: PMC9768122 DOI: 10.1038/s41598-022-26399-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022] Open
Abstract
Polygonum chinense Linn. (Polygonum chinense L.) is one of the main raw materials of Chinese patent medicines such as Guangdong herbal tea. The increasing antibiotic resistance of S. aureus and the biofilm poses a serious health threat to humans, and there is an urgent need to provide new antimicrobial agents. As a traditional Chinese medicine, the antibacterial effect of Polygonum chinense L. has been reported, but the antibacterial mechanism of Polygonum chinense L.aqueous extract and its effect on biofilm have not been studied in great detail, which hinders its application as an effective antibacterial agent. In this study, the mechanism of action of Polygonum chinense L.aqueous extract on Staphylococcus aureus (S. aureus) and its biofilm was mainly evaluated by morphological observation, flow cytometry and laser confocal experiments. Our findings demonstrate that Polygonum chinense L.aqueous extract has a significant bacteriostatic effect on S. aureus. The result of growth curve exhibits that Polygonum chinense L.aqueous extract presents a significant inhibitory effect against S. aureus. Transmission electron microscopy (TEM) and scanning electron microscopy (SEM) reveals that Polygonum chinense L.aqueous extract exerts a potent destruction of the cell wall of S. aureus and a significant inhibitory effect on the formation of S. aureus biofilm. In addition, flow cytometry showed the ability of Polygonum chinense L.aqueous extract to promote apoptosis by disrupting cell membranes of S. aureus. Notably, confocal laser scanning microscopy (CLSM) images illustrated the ability of Polygonum chinense L.aqueous to inhibit the formation of S. aureus biofilms in a dose-dependent manner. These results suggested that Polygonum chinense L.aqueous is a promising alternative antibacterial and anti-biofilm agent for combating infections caused by planktonic and biofilm cells of S. aureus.
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Affiliation(s)
- Jianye Zeng
- grid.417409.f0000 0001 0240 6969School of Preclinical Medicine of Zunyi Medical University, Zunyi Medical University, Zunyi, 563000 Guizhou People’s Republic of China
| | - Dandan Chen
- grid.417409.f0000 0001 0240 6969School of Preclinical Medicine of Zunyi Medical University, Zunyi Medical University, Zunyi, 563000 Guizhou People’s Republic of China
| | - Chunli Lv
- grid.417409.f0000 0001 0240 6969School of Preclinical Medicine of Zunyi Medical University, Zunyi Medical University, Zunyi, 563000 Guizhou People’s Republic of China
| | - Kening Qin
- grid.417409.f0000 0001 0240 6969School of Preclinical Medicine of Zunyi Medical University, Zunyi Medical University, Zunyi, 563000 Guizhou People’s Republic of China
| | - Qin Zhou
- grid.417409.f0000 0001 0240 6969School of Preclinical Medicine of Zunyi Medical University, Zunyi Medical University, Zunyi, 563000 Guizhou People’s Republic of China
| | - Na Pu
- grid.417409.f0000 0001 0240 6969School of Preclinical Medicine of Zunyi Medical University, Zunyi Medical University, Zunyi, 563000 Guizhou People’s Republic of China
| | - Shanshan Song
- grid.417409.f0000 0001 0240 6969School of Preclinical Medicine of Zunyi Medical University, Zunyi Medical University, Zunyi, 563000 Guizhou People’s Republic of China
| | - Xiaomin Wang
- grid.417409.f0000 0001 0240 6969School of Preclinical Medicine of Zunyi Medical University, Zunyi Medical University, Zunyi, 563000 Guizhou People’s Republic of China ,National Clinical Research Center for Infectious Diseases, Shenzhen, 518112 Guangdong People’s Republic of China
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5
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Ferrisse TM, Dias LM, de Oliveira AB, Jordão CC, Mima EGDO, Pavarina AC. Efficacy of Antimicrobial Photodynamic Therapy Mediated by Photosensitizers Conjugated with Inorganic Nanoparticles: Systematic Review and Meta-Analysis. Pharmaceutics 2022; 14:2050. [PMID: 36297486 PMCID: PMC9612113 DOI: 10.3390/pharmaceutics14102050] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 09/09/2022] [Accepted: 09/11/2022] [Indexed: 09/29/2023] Open
Abstract
Antimicrobial photodynamic therapy (aPDT) is a method that does not seem to promote antimicrobial resistance. Photosensitizers (PS) conjugated with inorganic nanoparticles for the drug-delivery system have the purpose of enhancing the efficacy of aPDT. The present study was to perform a systematic review and meta-analysis of the efficacy of aPDT mediated by PS conjugated with inorganic nanoparticles. The PubMed, Scopus, Web of Science, Science Direct, Cochrane Library, SciELO, and Lilacs databases were searched. OHAT Rob toll was used to assess the risk of bias. A random effect model with an odds ratio (OR) and effect measure was used. Fourteen articles were able to be included in the present review. The most frequent microorganisms evaluated were Staphylococcus aureus and Escherichia coli, and metallic and silica nanoparticles were the most common drug-delivery systems associated with PS. Articles showed biases related to blinding. Significant results were found in aPDT mediated by PS conjugated with inorganic nanoparticles for overall reduction of microorganism cultured in suspension (OR = 0.19 [0.07; 0.67]/p-value = 0.0019), E. coli (OR = 0.08 [0.01; 0.52]/p-value = 0.0081), and for Gram-negative bacteria (OR = 0.12 [0.02; 0.56/p-value = 0.0071). This association approach significantly improved the efficacy in the reduction of microbial cells. However, additional blinding studies evaluating the efficacy of this therapy over microorganisms cultured in biofilm are required.
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Affiliation(s)
- Túlio Morandin Ferrisse
- Department of Dental Materials and Prosthodontics, School of Dentistry at Araraquara, Universidade Estadual Paulista (UNESP), Araraquara 14801-903, SP, Brazil
| | - Luana Mendonça Dias
- Department of Dental Materials and Prosthodontics, School of Dentistry at Araraquara, Universidade Estadual Paulista (UNESP), Araraquara 14801-903, SP, Brazil
| | - Analú Barros de Oliveira
- Department of Morphology, Pediatric Dentistry and Orthodontic, School of Dentistry, São Paulo State University (UNESP), Araraquara 14801-903, SP, Brazil
| | - Cláudia Carolina Jordão
- Department of Dental Materials and Prosthodontics, School of Dentistry at Araraquara, Universidade Estadual Paulista (UNESP), Araraquara 14801-903, SP, Brazil
| | - Ewerton Garcia de Oliveira Mima
- Department of Dental Materials and Prosthodontics, School of Dentistry at Araraquara, Universidade Estadual Paulista (UNESP), Araraquara 14801-903, SP, Brazil
| | - Ana Claudia Pavarina
- Department of Dental Materials and Prosthodontics, School of Dentistry at Araraquara, Universidade Estadual Paulista (UNESP), Araraquara 14801-903, SP, Brazil
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6
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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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7
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Dias LD, Alves F, Buzza HH, Bagnato VS. Photodisinfection of material surfaces and bacterial skin infections by a detergent loaded with curcumin. Photodiagnosis Photodyn Ther 2022; 39:103021. [PMID: 35850462 DOI: 10.1016/j.pdpdt.2022.103021] [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: 03/31/2022] [Revised: 07/12/2022] [Accepted: 07/14/2022] [Indexed: 11/15/2022]
Abstract
The development of technologies and therapeutic strategies is needed to combat skin infections and pathogenic microorganisms present on material surfaces that are still responsible for serious public health problems. In this study, detergents loaded with curcumin were prepared by a simple approach and characterized by UV-vis spectroscopy and fluorescence spectroscopy. Their antibacterial photodynamic effects were evaluated against Staphylococcus aureus in planktonic medium and in vivo (skin infection model), and showed a reduction up to 8 logs and 2 logs, respectively. Additionally, the curcumin-detergents were applied on photodisinfection of material surfaces such as wood, rubber, and stainless steel resulting in an efficient photoinactivation up to 3 logs. These developed detergents loaded with curcumin can improve the decontamination of material surfaces and skin infections (in vivo) when illuminated.
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Affiliation(s)
- Lucas D Dias
- São Carlos Institute of Physics, University of São Paulo, 13560-970 São Carlos, SP, Brazil; Grupo de Química Teórica e Estrutural de Anápolis, Universidade Estadual de Goiás, 75.132-903 Anápolis, GO, Brazil; Laboratório de Novos Materiais, Universidade Evangélica de Goiás, Anápolis, GO, Brazil.
| | - Fernanda Alves
- São Carlos Institute of Physics, University of São Paulo, 13560-970 São Carlos, SP, Brazil
| | - Hilde H Buzza
- São Carlos Institute of Physics, University of São Paulo, 13560-970 São Carlos, SP, Brazil; Institute of Physics, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
| | - Vanderlei S Bagnato
- São Carlos Institute of Physics, University of São Paulo, 13560-970 São Carlos, SP, Brazil; Department of Biomedical Engineering, Texas A&M University - College Station Texas, 77843, USA.
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8
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Ribeiro M, Gomes IB, Saavedra MJ, Simões M. Photodynamic therapy and combinatory treatments for the control of biofilm-associated infections. Lett Appl Microbiol 2022; 75:548-564. [PMID: 35689422 DOI: 10.1111/lam.13762] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 04/26/2022] [Accepted: 05/26/2022] [Indexed: 12/20/2022]
Abstract
The advent of antimicrobial resistance has added considerable impact to infectious diseases both in the number of infections and healthcare costs. Furthermore, the relentless emergence of multidrug-resistant bacteria, particularly in the biofilm state, has made mandatory the discovery of new alternative antimicrobial therapies that are capable to eradicate resistant bacteria and impair the development of new forms of resistance. Amongst the therapeutic strategies for treating biofilms, antimicrobial photodynamic therapy (aPDT) has shown great potential in inactivating several clinically relevant micro-organisms, including antibiotic-resistant 'priority bacteria' declared by the WHO as critical pathogens. Its antimicrobial effect is centred on the basis that harmless low-intensity light stimulates a non-toxic dye named photosensitizer, triggering the production of reactive oxygen species upon photostimulation. In addition, combination therapies of aPDT with other antimicrobial agents (e.g. antibiotics) have also drawn considerable attention, as it is a multi-target strategy. Therefore, the present review highlights the recent advances of aPDT against biofilms, also covering progress on combination therapy.
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Affiliation(s)
- M Ribeiro
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Porto, Portugal.,ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal.,CIQUP/Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
| | - I B Gomes
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Porto, Portugal.,ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal
| | - M J Saavedra
- Department of Veterinary Sciences, School of Agriculture and Veterinary Science, UTAD, Vila Real, Portugal.,Centre for the Research and Technology for Agro-Environment and Biological Sciences (CITAB), UTAD, Vila Real, Portugal
| | - M Simões
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Porto, Portugal.,ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal
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Yu Y, Zhao Y, He Y, Pang J, Yang Z, Zheng M, Yin R. Inhibition of efflux pump encoding genes and biofilm formation by sub-lethal photodynamic therapy in methicillin susceptible and resistant Staphylococcus aureus. Photodiagnosis Photodyn Ther 2022; 39:102900. [PMID: 35525433 DOI: 10.1016/j.pdpdt.2022.102900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 04/28/2022] [Accepted: 05/03/2022] [Indexed: 11/17/2022]
Abstract
BACKGROUND Photodynamic therapy (PDT) is an effective method to inactivate microorganisms based on reactive oxygen species (ROS) generated by photosensitizer and light at certain wavelength. Exposure to sub-lethal dose of PDT (sPDT) could activate the regulatory systems in the surviving bacteria in response to oxidative stress. This study aimed to evaluate the effect of sPDT on efflux pump and biofilm formation in Staphylococcus aureus (S. aureus), which are two important virulence related factors. METHODS Different light irradiation time and toluidine blue O (TBO) concentrations were tested to select a sPDT in methicillin-susceptible and methicillin-resistant S. aureus (MSSA and MRSA). Efflux function was evaluated with EtBr efflux experiment. Biofilm formation was evaluated by crystal violet staining. Gene expressions of norA, norB, sepA, mepA and mdeA following sPDT were analyzed with real-time PCR. RESULTS Sub-lethal PDT was set at 40 J/cm2 associated with 0.5 μM TBO. Efflux function was significantly inhibited in both strains. The average expression levels of mdeA and mepA in MSSA and MRSA were increased by (3.09, 1.77, 1.57) and (3,44, 1.59, 6.29) fold change respectively, norB and sepA were decreased by (3.77, 6.14) and (3.02, 3.47) fold change respectively. Expression level of norA was decreased by 5.44-fold change in MSSA but increased by 2.80-fold change in MRSA. Biofilm formation in both strains was impeded. CONCLUSIONS TBO-mediated sPDT could inhibit efflux pump function, alter efflux pump encoding gene expression levels and retard biofilm formation in MSSA and MRSA. Therefore, sPDT is proposed as a potential adjuvant therapy for infections.
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Affiliation(s)
- Yanlan Yu
- Department of Dermatology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400030, China.
| | - Yan Zhao
- Department of Microbiology,Third Military Medical University (Army Medical University), Chongqing, 400030, China.
| | - Yaxiong He
- Department of Dermatology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400030, China.
| | - Jiayin Pang
- Department of Dermatology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400030, China.
| | - Zengjun Yang
- Department of Dermatology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400030, China.
| | - Mengxue Zheng
- Department of Dermatology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400030, China.
| | - Rui Yin
- Department of Dermatology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400030, China.
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4Antimicrobial photodynamic therapy with curcumin on methicillin-resistant Staphylococcus aureus biofilm. Photodiagnosis Photodyn Ther 2022; 37:102729. [PMID: 35041982 DOI: 10.1016/j.pdpdt.2022.102729] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 01/04/2022] [Accepted: 01/14/2022] [Indexed: 12/31/2022]
Abstract
Healthcare-Associated Infections (HAI) affect approximately 1.5 million individuals worldwide. Among the causes of HAIs in Latin America, Staphylococcus aureus presents a severe danger due to its rapid spread and ease of developing antibiotic resistance. Upon acquiring methicillin resistance, it receives the classification Methicillin-Resistant Staphylococcus aureus (MRSA), responsible for 40 to 60% of HAIs. The increase in resistant microorganisms led to the search for alternative methods, such as antimicrobial Photodynamic Therapy (aPDT), forming Reactive Oxygen Species (ROS), leading bacterial cells to death. The objective of this work was to evaluate in vitro the antimicrobial action of PDT with curcumin in MRSA biofilm. The strains were induced to form biofilm and incubated with curcumin for 20 minutes, irradiated with LED (Light Emitting Diode) 450 nm, at 110 mW/cm2, 50 J/cm2 for 455 seconds, subsequently counting the Colony Forming Units, Scanning Electron Microscopy (SEM) micrographs, Confocal Microscopy images, Resazurin dye test, ROS quantification to assess the effect of PDT on biofilm. The results show that PDT with curcumin reduced the biofilm growth of the MRSA strain. In addition, confocal microscopy showed that curcumin was internalized by S. aureus in the cells at the concentration used, and when isolated, curcumin and the irradiation parameter did not show cytotoxicity. The study demonstrated that the PDT in the established parameters reduced the growth of the MRSA strain biofilm, making it a relevant alternative possibility for the inactivation of this strain.
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Delcanale P, Abbruzzetti S, Viappiani C. Photodynamic treatment of pathogens. LA RIVISTA DEL NUOVO CIMENTO 2022; 45:407-459. [PMCID: PMC8921710 DOI: 10.1007/s40766-022-00031-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Accepted: 01/10/2022] [Indexed: 06/01/2023]
Abstract
The current viral pandemic has highlighted the compelling need for effective and versatile treatments, that can be quickly tuned to tackle new threats, and are robust against mutations. Development of such treatments is made even more urgent in view of the decreasing effectiveness of current antibiotics, that makes microbial infections the next emerging global threat. Photodynamic effect is one such method. It relies on physical processes proceeding from excited states of particular organic molecules, called photosensitizers, generated upon absorption of visible or near infrared light. The excited states of these molecules, tailored to undergo efficient intersystem crossing, interact with molecular oxygen and generate short lived reactive oxygen species (ROS), mostly singlet oxygen. These species are highly cytotoxic through non-specific oxidation reactions and constitute the basis of the treatment. In spite of the apparent simplicity of the principle, the method still has to face important challenges. For instance, the short lifetime of ROS means that the photosensitizer must reach the target within a few tens nanometers, which requires proper molecular engineering at the nanoscale level. Photoactive nanostructures thus engineered should ideally comprise a functionality that turns the system into a theranostic means, for instance, through introduction of fluorophores suitable for nanoscopy. We discuss the principles of the method and the current molecular strategies that have been and still are being explored in antimicrobial and antiviral photodynamic treatment.
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Affiliation(s)
- Pietro Delcanale
- Dipartimento di Scienze Matematiche, Fisiche e Informatiche, Università degli Studi di Parma, Parco Area delle Scienze 7A, 43124 Parma, Italy
| | - Stefania Abbruzzetti
- Dipartimento di Scienze Matematiche, Fisiche e Informatiche, Università degli Studi di Parma, Parco Area delle Scienze 7A, 43124 Parma, Italy
| | - Cristiano Viappiani
- Dipartimento di Scienze Matematiche, Fisiche e Informatiche, Università degli Studi di Parma, Parco Area delle Scienze 7A, 43124 Parma, Italy
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12
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Santana TDS, Leite ARP, Pasquini D, Pero AC. Effect of the incorporation of cellulose nanocrystals into a microwave‐polymerized denture base resin: Cellulose nanocrystals into a denture base resin. STARCH-STARKE 2021. [DOI: 10.1002/star.202100212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Thais de Sousa Santana
- Department of Dental Materials and Prosthodontics Araraquara Dental School Univ Estadual Paulista (UNESP) Araraquara São Paulo Brazil
| | - Andressa Rosa Perin Leite
- Department of Dental Materials and Prosthodontics Araraquara Dental School Univ Estadual Paulista (UNESP) Araraquara São Paulo Brazil
| | - Daniel Pasquini
- Chemistry Institute Universidade Federal de Uberlândia Campus Santa Mônica Uberlândia Minas Gerais Brazil
| | - Ana Carolina Pero
- Department of Dental Materials and Prosthodontics Araraquara Dental School Univ Estadual Paulista (UNESP) Araraquara São Paulo Brazil
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13
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Aroso RT, Schaberle FA, Arnaut LG, Pereira MM. Photodynamic disinfection and its role in controlling infectious diseases. Photochem Photobiol Sci 2021; 20:1497-1545. [PMID: 34705261 PMCID: PMC8548867 DOI: 10.1007/s43630-021-00102-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 09/03/2021] [Indexed: 12/23/2022]
Abstract
Photodynamic therapy is witnessing a revival of its origins as a response to the rise of multi-drug resistant infections and the shortage of new classes of antibiotics. Photodynamic disinfection (PDDI) of microorganisms is making progresses in preclinical models and in clinical cases, and the perception of its role in the clinical armamentarium for the management of infectious diseases is changing. We review the positioning of PDDI from the perspective of its ability to respond to clinical needs. Emphasis is placed on the pipeline of photosensitizers that proved effective to inactivate biofilms, showed efficacy in animal models of infectious diseases or reached clinical trials. Novel opportunities resulting from the COVID-19 pandemic are briefly discussed. The molecular features of promising photosensitizers are emphasized and contrasted with those of photosensitizers used in the treatment of solid tumors. The development of photosensitizers has been accompanied by the fabrication of a variety of affordable and customizable light sources. We critically discuss the combination between photosensitizer and light source properties that may leverage PDDI and expand its applications to wider markets. The success of PDDI in the management of infectious diseases will ultimately depend on the efficacy of photosensitizers, affordability of the light sources, simplicity of the procedures, and availability of fast and efficient treatments.
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Affiliation(s)
- Rafael T Aroso
- Chemistry Department, University of Coimbra, 3004-535, Coimbra, Portugal
| | - Fábio A Schaberle
- Chemistry Department, University of Coimbra, 3004-535, Coimbra, Portugal
| | - Luís G Arnaut
- Chemistry Department, University of Coimbra, 3004-535, Coimbra, Portugal.
| | - Mariette M Pereira
- Chemistry Department, University of Coimbra, 3004-535, Coimbra, Portugal.
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14
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Yang W, Wang Z, Li Q, Jia Y, Song S, Ma Z, Liu J, Wang J. Photodynamic Inactivation Using Natural Bioactive Compound Prevents and Disrupts the Biofilm Produced by Staphylococcus saprophyticus. Molecules 2021; 26:molecules26164713. [PMID: 34443301 PMCID: PMC8399054 DOI: 10.3390/molecules26164713] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 07/31/2021] [Accepted: 08/02/2021] [Indexed: 01/02/2023] Open
Abstract
Staphylococcus saprophyticus, the food-borne bacteria present in dairy products, ready-to-eat food and environmental sources, has been reported with antibiotic resistance, raising concerns about food microbial safety. The antimicrobial resistance of S. saprophyticus requires the development of new strategies. Light- and photosensitizer-based antimicrobial photodynamic inactivation (PDI) is a promising approach to control microbial contamination, whereas there is limited information regarding the effectiveness of PDI on S. saprophyticus biofilm control. In this study, PDI mediated by natural bioactive compound (curcumin) associated with LED was evaluated for its potential to prevent and disrupt S. saprophyticus biofilms. Biofilms were treated with curcumin (50, 100, 200 µM) and LED fluence (4.32 J/cm2, 8.64 J/cm2, 17.28 J/cm2). Control groups included samples treated only with curcumin or light, and samples received neither curcumin nor light. The action was examined on biofilm mass, viability, cellular metabolic activity and cytoplasmic membrane integrity. PDI using curcumin associated with LED exhibited significant antibiofilm activities, inducing biofilm prevention and removal, metabolic inactivation, intracellular membrane damage and cell death. Likewise, scanning electronic microscopy observations demonstrated obvious structural injury and morphological alteration of S. saprophyticus biofilm after PDI application. In conclusion, curcumin is an effective photosensitizer for the photodynamic control of S. saprophyticus biofilm.
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Affiliation(s)
- Wei Yang
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology and Business University, Beijing 100048, China; (W.Y.); (Q.L.); (Y.J.); (S.S.); (Z.M.); (J.L.)
- College of Basic Science, Tianjin Agricultural University, Tianjin 300392, China
| | - Ziyuan Wang
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology and Business University, Beijing 100048, China; (W.Y.); (Q.L.); (Y.J.); (S.S.); (Z.M.); (J.L.)
- Correspondence: (Z.W.); (J.W.)
| | - Qing Li
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology and Business University, Beijing 100048, China; (W.Y.); (Q.L.); (Y.J.); (S.S.); (Z.M.); (J.L.)
| | - Yating Jia
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology and Business University, Beijing 100048, China; (W.Y.); (Q.L.); (Y.J.); (S.S.); (Z.M.); (J.L.)
| | - Shuimiao Song
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology and Business University, Beijing 100048, China; (W.Y.); (Q.L.); (Y.J.); (S.S.); (Z.M.); (J.L.)
| | - Zichu Ma
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology and Business University, Beijing 100048, China; (W.Y.); (Q.L.); (Y.J.); (S.S.); (Z.M.); (J.L.)
| | - Jie Liu
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology and Business University, Beijing 100048, China; (W.Y.); (Q.L.); (Y.J.); (S.S.); (Z.M.); (J.L.)
| | - Jing Wang
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology and Business University, Beijing 100048, China; (W.Y.); (Q.L.); (Y.J.); (S.S.); (Z.M.); (J.L.)
- Correspondence: (Z.W.); (J.W.)
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15
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Trigo-Gutierrez JK, Vega-Chacón Y, Soares AB, Mima EGDO. Antimicrobial Activity of Curcumin in Nanoformulations: A Comprehensive Review. Int J Mol Sci 2021; 22:7130. [PMID: 34281181 PMCID: PMC8267827 DOI: 10.3390/ijms22137130] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/21/2021] [Accepted: 06/28/2021] [Indexed: 01/10/2023] Open
Abstract
Curcumin (CUR) is a natural substance extracted from turmeric that has antimicrobial properties. Due to its ability to absorb light in the blue spectrum, CUR is also used as a photosensitizer (PS) in antimicrobial Photodynamic Therapy (aPDT). However, CUR is hydrophobic, unstable in solutions, and has low bioavailability, which hinders its clinical use. To circumvent these drawbacks, drug delivery systems (DDSs) have been used. In this review, we summarize the DDSs used to carry CUR and their antimicrobial effect against viruses, bacteria, and fungi, including drug-resistant strains and emergent pathogens such as SARS-CoV-2. The reviewed DDSs include colloidal (micelles, liposomes, nanoemulsions, cyclodextrins, chitosan, and other polymeric nanoparticles), metallic, and mesoporous particles, as well as graphene, quantum dots, and hybrid nanosystems such as films and hydrogels. Free (non-encapsulated) CUR and CUR loaded in DDSs have a broad-spectrum antimicrobial action when used alone or as a PS in aPDT. They also show low cytotoxicity, in vivo biocompatibility, and improved wound healing. Although there are several in vitro and some in vivo investigations describing the nanotechnological aspects and the potential antimicrobial application of CUR-loaded DDSs, clinical trials are not reported and further studies should translate this evidence to the clinical scenarios of infections.
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Affiliation(s)
| | | | | | - Ewerton Garcia de Oliveira Mima
- Laboratory of Applied Microbiology, Department of Dental Materials and Prosthodontics, School of Dentistry, São Paulo State University (Unesp), Araraquara 14800-000, Brazil; (J.K.T.-G.); (Y.V.-C.); (A.B.S.)
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16
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Kranjec C, Morales Angeles D, Torrissen Mårli M, Fernández L, García P, Kjos M, Diep DB. Staphylococcal Biofilms: Challenges and Novel Therapeutic Perspectives. Antibiotics (Basel) 2021; 10:131. [PMID: 33573022 PMCID: PMC7911828 DOI: 10.3390/antibiotics10020131] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 01/21/2021] [Accepted: 01/27/2021] [Indexed: 12/14/2022] Open
Abstract
Staphylococci, like Staphylococcus aureus and S. epidermidis, are common colonizers of the human microbiota. While being harmless in many cases, many virulence factors result in them being opportunistic pathogens and one of the major causes of hospital-acquired infections worldwide. One of these virulence factors is the ability to form biofilms-three-dimensional communities of microorganisms embedded in an extracellular polymeric matrix (EPS). The EPS is composed of polysaccharides, proteins and extracellular DNA, and is finely regulated in response to environmental conditions. This structured environment protects the embedded bacteria from the human immune system and decreases their susceptibility to antimicrobials, making infections caused by staphylococci particularly difficult to treat. With the rise of antibiotic-resistant staphylococci, together with difficulty in removing biofilms, there is a great need for new treatment strategies. The purpose of this review is to provide an overview of our current knowledge of the stages of biofilm development and what difficulties may arise when trying to eradicate staphylococcal biofilms. Furthermore, we look into promising targets and therapeutic methods, including bacteriocins and phage-derived antibiofilm approaches.
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Affiliation(s)
- Christian Kranjec
- Faculty of Chemistry, Biotechnology and Food Science, The Norwegian University of Life Sciences, 1432 Ås, Norway; (C.K.); (D.M.A.); (M.T.M.)
| | - Danae Morales Angeles
- Faculty of Chemistry, Biotechnology and Food Science, The Norwegian University of Life Sciences, 1432 Ås, Norway; (C.K.); (D.M.A.); (M.T.M.)
| | - Marita Torrissen Mårli
- Faculty of Chemistry, Biotechnology and Food Science, The Norwegian University of Life Sciences, 1432 Ås, Norway; (C.K.); (D.M.A.); (M.T.M.)
| | - Lucía Fernández
- Department of Technology and Biotechnology of Dairy Products, Dairy Research Institute of Asturias (IPLA-CSIC), 33300 Villaviciosa, Spain; (L.F.); (P.G.)
- DairySafe Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33011 Oviedo, Spain
| | - Pilar García
- Department of Technology and Biotechnology of Dairy Products, Dairy Research Institute of Asturias (IPLA-CSIC), 33300 Villaviciosa, Spain; (L.F.); (P.G.)
- DairySafe Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33011 Oviedo, Spain
| | - Morten Kjos
- Faculty of Chemistry, Biotechnology and Food Science, The Norwegian University of Life Sciences, 1432 Ås, Norway; (C.K.); (D.M.A.); (M.T.M.)
| | - Dzung B. Diep
- Faculty of Chemistry, Biotechnology and Food Science, The Norwegian University of Life Sciences, 1432 Ås, Norway; (C.K.); (D.M.A.); (M.T.M.)
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