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Hu Q, Li T, Yang J, Peng Y, Liu Q, Liu N. Efficacy of photodynamic therapy in the treatment of oral candidiasis: a systematic review and meta-analysis. BMC Oral Health 2023; 23:802. [PMID: 37884914 PMCID: PMC10605952 DOI: 10.1186/s12903-023-03484-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 10/03/2023] [Indexed: 10/28/2023] Open
Abstract
OBJECTIVE To evaluate the clinical efficacy of photodynamic therapy (PDT) as an adjunct or alternative to traditional antifungal drugs in the treatment of oral candidiasis, and to provide evidence-based medical evidence for its use in the treatment of oral candidiasis. METHODS Computer combined with manual retrieval of China Academic Journals Full-text Database (CNKI), China Biomedical Literature Database (CBM), Chinese Science and Technology Journal Database (VIP), Wanfang Database, PubMed, Web of Science, Cochrane Library, Embase, Scopus retrieval for articles published before January 2023, basic information and required data were extracted according to the inclusion and exclusion criteria, and the Revman V5.4 software was used to conduct Meta-analysis of the included literature. RESULTS A total of 11 articles were included, 7 of which used nystatin as an antifungal drug, 2 of which were combined treatment of PDT and nystatin, 2 of the remaining 4 articles were treated with fluconazole, and 2 were treated with miconazole. Meta results showed that PDT was superior to nystatin in reducing the number of oral candida colonies in the palate of patients MD = -0.87, 95%CI = (-1.52,-0.23), P = 0.008, the difference was statistically significant, and the denture site MD = -1.03, 95%CI = (-2.21, -0.15), P = 0.09, the difference was not statistically significant; compared with the efficacy of fluconazole, RR = 1.01, 95%CI = (0.56,1.83), P = 0.96; compared with miconazole RR = 0.55, 95%CI = (0.38, 0.81), P = 0.002; PDT combined with nystatin RR = 1.27, 95%CI = (1.06, 1.52), P = 0.01; recurrence rate RR = 0.28, 95%CI = (0.09, 0.88), P = 0.03. CONCLUSIONS PDT was effective in the treatment of oral candidiasis; PDT was more effective than nystatin for the treatment of denture stomatitis in the palate, while there was no significant difference between the two for the denture site; The efficacy of PDT for oral candidiasis was similar to that of fluconazole; PDT was less effective than miconazole for oral candidiasis; Compared with nystatin alone, the combination of PDT and nystatin is more effective in treating oral candidiasis with less risk of recurrence.
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Affiliation(s)
- Qiaoyu Hu
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, 050017, China
| | - Ting Li
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, 050017, China
| | - Jiadi Yang
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, 050017, China
| | - Yanhui Peng
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, 050017, China
| | - Qing Liu
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, 050017, China.
| | - Na Liu
- Department of Preventive Dentistry, School and Hospital of Stomatology, Hebei Medical University, No. 383, Zhongshan East Road, Shijiazhuang, 050017, PR China.
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Khozeimeh F, Tavangar A, Razzaghi-Abyaneh M, Amini M, Ghayour M. Evaluation of the Effects of Photodynamic Therapy With Methylene Blue on Different Candida Species In Vitro. J Lasers Med Sci 2023; 14:e34. [PMID: 38028872 PMCID: PMC10658125 DOI: 10.34172/jlms.2023.34] [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: 11/23/2022] [Accepted: 05/08/2023] [Indexed: 12/01/2023]
Abstract
Introduction: Oral candidiasis is the most prevalent opportunistic infection of the oral cavity. The most common cause of this infection is Candida albicans. Considering the side effects of conventional antifungal therapies, this study aimed to evaluate the efficacy of photodynamic therapy with new methylene blue (a photosensitizer) in inhibiting the growth of C. albicans, C. tropicalis, C. glabrata, and C. krusei in vitro. Methods: In this experimental study, 200 samples of standard suspension (0.5 McFarland) were prepared from C. albicans, C. tropicalis, C. glabrata, and C. krusei (50 samples from each species). The samples of each species were divided into five groups (n=10), including photodynamic therapy with a photosensitizer, with or without laser irradiation, nystatin treatment, laser therapy, and control. Next, cultivation of samples was performed on Sabouraud dextrose agar, and the colony-forming units were determined after 24 hours of incubation at 37 °C. Data were analyzed in SPSS version 22 by means of the Kruskal-Wallis test (P<0.05). Results: The most sensitive and resistant species to nystatin therapy were C. glabrata and C. krusei, respectively. On the other hand, C. krusei was the most sensitive species to photodynamic therapy, and C. glabrata was the most resistant type to this treatment. The highest therapeutic effectiveness was attributed to nystatin therapy, although photodynamic therapy was also effective. Laser therapy was recognized as the least effective method. Conclusion: Photodynamic therapy with new methylene blue, as a suitable adjunct therapy, can be effective in the management of candidiasis. It may also be a potential novel treatment for immunocompromised patients with oral candidiasis.
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Affiliation(s)
- Faezeh Khozeimeh
- Department of Oral and Maxillofacial Medicine, Dental Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Atefeh Tavangar
- Dental Research Center, Dental Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Milad Amini
- Oral Medicine Specialist, Dental Material Research Center, Department of Oral and Maxillofacial Medicine, Isfahan, Iran
| | - Marzieh Ghayour
- Pediatric Dentist, Pediatric Department, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
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Keshwania P, Kaur N, Chauhan J, Sharma G, Afzal O, Alfawaz Altamimi AS, Almalki WH. Superficial Dermatophytosis across the World's Populations: Potential Benefits from Nanocarrier-Based Therapies and Rising Challenges. ACS OMEGA 2023; 8:31575-31599. [PMID: 37692246 PMCID: PMC10483660 DOI: 10.1021/acsomega.3c01988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 08/09/2023] [Indexed: 09/12/2023]
Abstract
The most prevalent infection in the world is dermatophytosis, which is a major issue with high recurrence and can affect the entire body including the skin, hair, and nails. The major goal of this Review is to acquire knowledge about cutting-edge approaches for treating dermatophytosis efficiently by adding antifungals to formulations based on nanocarriers in order to overcome the shortcomings of standard treatment methods. Updates on nanosystems and research developments on animal and clinical investigations are also presented. Along with the currently licensed formulations, the investigation also emphasizes novel therapies and existing therapeutic alternatives that can be used to control dermatophytosis. The Review also summarizes recent developments on the prevalence, management approaches, and disadvantages of standard dosage types. There are a number of therapeutic strategies for the treatment of dermatophytosis that have good clinical cure rates but also drawbacks such as antifungal drug resistance and unfavorable side effects. To improve therapeutic activity and get around the drawbacks of the traditional therapy approaches for dermatophytosis, efforts have been described in recent years to combine several antifungal drugs into new carriers. These formulations have been successful in providing improved antifungal activity, longer drug retention, improved effectiveness, higher skin penetration, and sustained drug release.
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Affiliation(s)
- Puja Keshwania
- Department
of Microbiology, Maharishi Markandeshwar
Institute of Medical Sciences and Research, Mullana, Ambala, Haryana 133207, India
| | - Narinder Kaur
- Department
of Microbiology, Maharishi Markandeshwar
Institute of Medical Sciences and Research, Mullana, Ambala, Haryana 133207, India
| | - Jyoti Chauhan
- Department
of Microbiology, Maharishi Markandeshwar
Institute of Medical Sciences and Research, Mullana, Ambala, Haryana 133207, India
| | - Gajanand Sharma
- University
Institute of Pharmaceutical Sciences, UGC-Centre of Advanced Studies, Panjab University, Chandigarh 160014, India
| | - Obaid Afzal
- Department
of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia
| | | | - Waleed H. Almalki
- Department
of Pharmacology and Toxicology, College of Pharmacy, Umm Al-Qura University, Makkah 21961, Saudi Arabia
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Gomes VSD, Ferreira JCC, Boto RE, Almeida P, Fernandes JR, Sousa MJ, Reis LV, Gonçalves MST. Evaluation of Antifungal Activity and Potential Application as Fluorescent Probes of Indolenine and Benzo[e]Indole-Based Squarylium Dyes. Photochem Photobiol 2023; 99:1282-1292. [PMID: 36524439 DOI: 10.1111/php.13762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 12/11/2022] [Indexed: 12/23/2022]
Abstract
The antifungal performance and the possible use as fluorescent probes of a series of squarylium dyes derived from indolenine and benzo[e]indole previously synthesized was evaluated. Some photophysical properties were performed in ethanol and phosphate buffer, and the type of aggregates form in phosphate buffer was analyzed. Using the 1,3-diphenylisobenzofuran assay, a qualitative assessment of the capacity of dyes to produce singlet oxygen after irradiation was performed. Regarding the antifungal activity, this was studied through a broth microdilution assay using Saccharomyces cerevisiae PYCC 4072 as a biological model. The effect of irradiation of the dyes, with an appropriate light emitting diode system, on the antifungal activity was also evaluated, and it was verified that some of the dyes improve their activity after irradiation. Using fluorescence microscopy techniques, the colocalization of dyes in S. cerevisae cells was investigated and it was possible to verify that some of the squarylium dyes with a barbituric moiety in the four-membered central ring stained and accumulated preferentially in the mitochondrial web and perinuclear membrane of the cells. The possible use as a fluorescent probe for the detection of HSA was also evaluated for one of the dyes of the series, demonstrating a linear variation in the fluorescence intensity accompanied by the increase in the protein concentration.
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Affiliation(s)
- Vanessa S D Gomes
- Department of Chemistry, Centre of Chemistry - Vila Real (CQ-VR), University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Department of Chemistry, Centre of Chemistry (CQ-UM), University of Minho, Braga, Portugal
| | - João C C Ferreira
- Department of Chemistry, Centre of Chemistry (CQ-UM), University of Minho, Braga, Portugal
- Department of Biology, Centre of Molecular and Environmental Biology (CBMA), University of Minho, Braga, Portugal
- Institute of Science and Innovation for Bio-Sustainability (IBS), University of Minho, Braga, Portugal
| | - Renato E Boto
- Department of Chemistry, Health Sciences Research Centre (CICS-UBI), University of Beira Interior, Covilhã, Portugal
| | - Paulo Almeida
- Department of Chemistry, Health Sciences Research Centre (CICS-UBI), University of Beira Interior, Covilhã, Portugal
| | - José R Fernandes
- Physical Department, Centre of Chemistry - Vila Real (CQ-VR), University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Maria João Sousa
- Department of Biology, Centre of Molecular and Environmental Biology (CBMA), University of Minho, Braga, Portugal
- Institute of Science and Innovation for Bio-Sustainability (IBS), University of Minho, Braga, Portugal
| | - Lucinda V Reis
- Department of Chemistry, Centre of Chemistry - Vila Real (CQ-VR), University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - M Sameiro T Gonçalves
- Department of Chemistry, Centre of Chemistry (CQ-UM), University of Minho, Braga, Portugal
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Linares IAP, Uría MS, Graminha MAS, Iglesias BA, Velásquez AMA. Antileishmanial activity of tetra-cationic porphyrins with peripheral Pt(II) and Pd(II) complexes mediated by photodynamic therapy approaches. Photodiagnosis Photodyn Ther 2023:103641. [PMID: 37268042 DOI: 10.1016/j.pdpdt.2023.103641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 05/22/2023] [Accepted: 05/26/2023] [Indexed: 06/04/2023]
Abstract
Leishmaniasis is a seriously neglected disease that impacts more than one billion people in endemic areas of the globe. Several drawbacks are associated with the currently existing drugs for the treatment as low effectiveness, toxicity, and the emergence of resistant strains that demonstrates the importance of looking for novel therapeutic alternatives. Photodynamic therapy (PDT) is a promising novel alternative for cutaneous leishmaniasis treatment because its topical application avoids potential side effects generally associated with oral/parenteral application. A light-sensitive compound known as photosensitizer (PS) interacts with light and molecular oxygen to generate reactive oxygen species (ROS), which promote cell death by oxidative stress through PDT approaches. Here, for the first time, we demonstrate the antileishmanial effect of tetra-cationic porphyrins with peripheral Pt(II)- and Pd(II)-polypyridyl complexes using PDT. The isomeric tetra-cationic porphyrins in the meta positions, 3-PtTPyP, and 3-PdTPyP, exhibited the highest antiparasitic activity against promastigote (IC50-pro = 41.8 nM and 46.1 nM, respectively) and intracellular amastigote forms (IC50-ama = 27.6 nM and 38.8 nM, respectively) of L. amazonensis under white light irradiation (72 J cm-2) with high selectivity (SI > 50) for both forms of parasites regarding mammalian cells. In addition, these PS induced the cell death of parasites principally by a necrotic process in the presence of white light by mitochondrial and acidic compartments accumulation. This study showed that porphyrins 3-PtTPyP and 3-PdTPyP displayed a promising antileishmanial-PDT activity with potential application for cutaneous leishmaniasis treatment.
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Affiliation(s)
- Irwin A P Linares
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | - Maricely Sánchez Uría
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil; Institute of Chemistry, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | - Marcia A S Graminha
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | - Bernardo Almeida Iglesias
- Laboratory of Bioinorganic and Porphyrinic Materials, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil.
| | - Angela M A Velásquez
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil.
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da Rosa Pinheiro T, Dantas GA, da Silva JLG, Leal DBR, da Silva RB, de Lima Burgo TA, Santos RCV, Iglesias BA. The First Report of In Vitro Antifungal and Antibiofilm Photodynamic Activity of Tetra-Cationic Porphyrins Containing Pt(II) Complexes against Candida albicans for Onychomycosis Treatment. Pharmaceutics 2023; 15:pharmaceutics15051511. [PMID: 37242753 DOI: 10.3390/pharmaceutics15051511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/25/2023] [Accepted: 04/28/2023] [Indexed: 05/28/2023] Open
Abstract
Onychomycosis is a prevalent nail fungal infection, and Candida albicans is one of the most common microorganisms associated with it. One alternative therapy to the conventional treatment of onychomycosis is antimicrobial photoinactivation. This study aimed to evaluate for the first time the in vitro activity of cationic porphyrins with platinum(II) complexes 4PtTPyP and 3PtTPyP against C. albicans. The minimum inhibitory concentration of porphyrins and reactive oxygen species was evaluated by broth microdilution. The yeast eradication time was evaluated using a time-kill assay, and a checkerboard assay assessed the synergism in combination with commercial treatments. In vitro biofilm formation and destruction were observed using the crystal violet technique. The morphology of the samples was evaluated by atomic force microscopy, and the MTT technique was used to evaluate the cytotoxicity of the studied porphyrins in keratinocyte and fibroblast cell lines. The porphyrin 3PtTPyP showed excellent in vitro antifungal activity against the tested C. albicans strains. After white-light irradiation, 3PtTPyP eradicated fungal growth in 30 and 60 min. The possible mechanism of action was mixed by ROS generation, and the combined treatment with commercial drugs was indifferent. The 3PtTPyP significantly reduced the preformed biofilm in vitro. Lastly, the atomic force microscopy showed cellular damage in the tested samples, and 3PtTPyP did not show cytotoxicity against the tested cell lines. We conclude that 3PtTPyP is an excellent photosensitizer with promising in vitro results against C. albicans strains.
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Affiliation(s)
- Ticiane da Rosa Pinheiro
- Graduate Program in Pharmaceutical Sciences, Center for Health Sciences, Department of Microbiology and Parasitology, Federal University of Santa Maria, Santa Maria 97105-900, Brazil
| | - Gabrielle Aguiar Dantas
- Graduate Program in Pharmaceutical Sciences, Center for Health Sciences, Department of Microbiology and Parasitology, Federal University of Santa Maria, Santa Maria 97105-900, Brazil
| | | | - Daniela Bitencourt Rosa Leal
- Laboratory of Experimental and Applied Immunology, Federal University of Santa Maria, Santa Maria 97105-900, Brazil
| | | | - Thiago Augusto de Lima Burgo
- Bioinorganic and Porphyrin Materials Laboratory, Department of Chemistry, Federal University of Santa Maria, Santa Maria 97105-900, Brazil
| | - Roberto Christ Vianna Santos
- Graduate Program in Pharmaceutical Sciences, Center for Health Sciences, Department of Microbiology and Parasitology, Federal University of Santa Maria, Santa Maria 97105-900, Brazil
| | - Bernardo Almeida Iglesias
- Department of Chemistry and Environmental Sciences, Ibilce, São Paulo State University (Unesp), São Jose do Rio Preto 15054-000, Brazil
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Lagos KJ, García D, Cuadrado CF, de Souza LM, Mezzacappo NF, da Silva AP, Inada N, Bagnato V, Romero MP. Carbon dots: Types, preparation, and their boosted antibacterial activity by photoactivation. Current status and future perspectives. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2023:e1887. [PMID: 37100045 DOI: 10.1002/wnan.1887] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 02/14/2023] [Accepted: 03/03/2023] [Indexed: 04/28/2023]
Abstract
Carbon dots (CDs) correspond to carbon-based materials (CBM) with sizes usually below 10 nm. These nanomaterials exhibit attractive properties such us low toxicity, good stability, and high conductivity, which have promoted their thorough study over the past two decades. The current review describes four types of CDs: carbon quantum dots (CQDs), graphene quantum dots (GQDs), carbon nanodots (CNDs), and carbonized polymers dots (CPDs), together with the state of the art of the main routes for their preparation, either by "top-down" or "bottom-up" approaches. Moreover, among the various usages of CDs within biomedicine, we have focused on their application as a novel class of broad-spectrum antibacterial agents, concretely, owing their photoactivation capability that triggers an enhanced antibacterial property. Our work presents the recent advances in this field addressing CDs, their composites and hybrids, applied as photosensitizers (PS), and photothermal agents (PA) within antibacterial strategies such as photodynamic therapy (PDT), photothermal therapy (PTT), and synchronic PDT/PTT. Furthermore, we discuss the prospects for the possible future development of large-scale preparation of CDs, and the potential for these nanomaterials to be employed in applications to combat other pathogens harmful to human health. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Infectious Disease.
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Affiliation(s)
- Karina J Lagos
- Department of Materials, Escuela Politécnica Nacional (EPN), Quito, Ecuador
| | - David García
- Department of Materials, Escuela Politécnica Nacional (EPN), Quito, Ecuador
| | | | | | | | - Ana Paula da Silva
- São Carlos Institute of Physics, University of São Paulo (USP), São Carlos, Brazil
| | - Natalia Inada
- São Carlos Institute of Physics, University of São Paulo (USP), São Carlos, Brazil
| | - Vanderlei Bagnato
- São Carlos Institute of Physics, University of São Paulo (USP), São Carlos, Brazil
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Abdi B, Mofidfar M, Hassanpour F, Kirbas Cilingir E, Kalajahi SK, Milani PH, Ghanbarzadeh M, Fadel D, Barnett M, Ta CN, Leblanc RM, Chauhan A, Abbasi F. Therapeutic contact lenses for the treatment of corneal and ocular surface diseases: advances in extended and targeted drug delivery. Int J Pharm 2023; 638:122740. [PMID: 36804524 DOI: 10.1016/j.ijpharm.2023.122740] [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: 11/07/2022] [Revised: 02/01/2023] [Accepted: 02/14/2023] [Indexed: 02/21/2023]
Abstract
The eye is one of the most important organs in the human body providing critical information on the environment. Many corneal diseases can lead to vision loss affecting the lives of people around the world. Ophthalmic drug delivery has always been a major challenge in the medical sciences. Since traditional methods are less efficient (∼ 5%) at delivering drugs to ocular tissues, contact lenses have generated growing interest in ocular drug delivery due to their potential to enhance drug bioavailability in ocular tissues. The main techniques used to achieve sustained release are discussed in this review, including soaking in drug solutions, incorporating drug into multilayered contact lenses, use of vitamin E barriers, molecular imprinting, nanoparticles, micelles and liposomes. The most clinically relevant results on different eye pathologies are presented. In addition, this review summarizes the benefits of contact lenses over eye drops, strategies for incorporating drugs into lenses to achieve sustained release, results of in vitro and in vivo studies, and the recent advances in the commercialization of therapeutic contact lenses for allergic conjunctivitis.
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Affiliation(s)
- Behnam Abdi
- Institute of Polymeric Materials (IPM), Sahand University of Technology, New Town of Sahand, Tabriz, Iran; Faculty of Polymer Engineering, Sahand University of Technology, New Town of Sahand, Tabriz, Iran
| | - Mohammad Mofidfar
- Department of Chemistry, Stanford University, Stanford, CA, USA; School of Medicine, Stanford University, Stanford, CA, USA
| | - Fatemeh Hassanpour
- Institute of Polymeric Materials (IPM), Sahand University of Technology, New Town of Sahand, Tabriz, Iran; Faculty of Polymer Engineering, Sahand University of Technology, New Town of Sahand, Tabriz, Iran
| | | | - Sepideh K Kalajahi
- Institute of Polymeric Materials (IPM), Sahand University of Technology, New Town of Sahand, Tabriz, Iran; Faculty of Polymer Engineering, Sahand University of Technology, New Town of Sahand, Tabriz, Iran
| | - Paria H Milani
- Institute of Polymeric Materials (IPM), Sahand University of Technology, New Town of Sahand, Tabriz, Iran; Faculty of Polymer Engineering, Sahand University of Technology, New Town of Sahand, Tabriz, Iran
| | - Mahsa Ghanbarzadeh
- Institute of Polymeric Materials (IPM), Sahand University of Technology, New Town of Sahand, Tabriz, Iran; Faculty of Polymer Engineering, Sahand University of Technology, New Town of Sahand, Tabriz, Iran
| | - Daddi Fadel
- Center for Ocular Research & Education (CORE), School of Optometry & Vision Science, University of Waterloo, Waterloo, ON, Canada
| | - Melissa Barnett
- University of California, Davis Eye Center, Sacramento, CA, USA
| | - Christopher N Ta
- Department of Ophthalmology, Stanford University School of Medicine, Stanford, CA, USA
| | - Roger M Leblanc
- Department of Chemistry, University of Miami, Coral Gables, FL, USA.
| | - Anuj Chauhan
- Chemical and Biological Engineering Department, Colorado School of Mines, CO, USA.
| | - Farhang Abbasi
- Institute of Polymeric Materials (IPM), Sahand University of Technology, New Town of Sahand, Tabriz, Iran; Faculty of Polymer Engineering, Sahand University of Technology, New Town of Sahand, Tabriz, Iran.
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9
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Dong Q, Kang Y, Zhang R. Treatment of Superficial Mycoses Using Photodynamic Therapy: A Systematic Review and Meta-Analysis. Photobiomodul Photomed Laser Surg 2023; 41:37-47. [PMID: 36780576 DOI: 10.1089/photob.2022.0117] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023] Open
Abstract
Objective: The purpose of this study is to evaluate the effectiveness and safety of photodynamic therapy (PDT) in treating superficial fungal infections, and provide reference for clinical application. Methods: In accordance with Population, Intervention, Comparator, and Outcome (PICO), the research question and keywords were formulated. Records published in English by PubMed, Embase, Cochrane Library, and Web of Science as of November 14, 2022 were retrieved, including the keywords "mycoses," "tinea," "photochemotherapy," etc. Besides, meta-analysis performed by STATA and PROSPERO registration code was CRD42022363448. Results: One thousand four hundred eighty-four records were identified and 18 articles involving 343 patients with superficial fungal infections were enrolled. The overall mycological cure rate of PDT is 55% [95% confidence interval (CI): 0.46-0.65]. The fungal cure rate using methylene blue (MB) as photosensitizer (PS) is 67% (95% CI: 0.55-0.79); using 5-aminolevulinic acid is 34% (95% CI: 0.21-0.47); and using methyl aminolevulinate is 56% (95% CI: 0.33-0.78). The fungal cure rate of moderate-to-severe onychomycosis according to Onychomycosis Severity Index is 60% (95% CI: 0.47-0.73) and that of moderate onychomycosis is 66% (95% CI: 0.56-0.76). It was observed that the treatment parameters did not follow the same standard across studies. The majority of the included studies were moderate to low biased. Conclusions: PDT, particularly using MB as PS, has a certain mycological cure rate and safety at treating superficial mycoses. Due to the insufficient number of studies on PDT in the treatment of superficial fungal infections and the small sample size of some studies, more studies with standardized PDT parameters, large sample size, and long follow-up periods are needed to prove that PDT has the potential to become an alternative to traditional antifungal therapy or to find a better combination between them.
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Affiliation(s)
- Qi Dong
- Department of Dermatology, Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, China
| | - Yuying Kang
- Department of Dermatology, Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, China.,Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ruijun Zhang
- Department of Dermatology, Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, China.,Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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10
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Fabio GB, Martin BA, Dalmolin LF, Lopez RFV. Antimicrobial photodynamic therapy and the advances impacted by the association with nanoparticles. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2022.104147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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11
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Sobhy N, Talla Eweed H, Omar SS. Fractional CO2 laser - assisted methylene blue photodynamic therapy is a potential alternative therapy for onychomycosis in the era of antifungal resistance. Photodiagnosis Photodyn Ther 2022; 40:103149. [PMID: 36228978 DOI: 10.1016/j.pdpdt.2022.103149] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/05/2022] [Accepted: 10/07/2022] [Indexed: 11/05/2022]
Abstract
BACKGROUND Treatment of onychomycosis is challenging by virtue of the impact of nail disfigurement, the location of the fungi within the nail and reported antifungal resistance worldwide. Light-based technologies are promising primary or adjunctive therapeutic modalities. We aimed to compare the efficacy of photodynamic therapy and fractional CO2 laser monotherapy either alone or in combination for onychomycosis. PATIENTS AND METHODS This prospective randomized comparative study was conducted on 51 onychomycosis patients divided into three groups. In group A, patients were treated using 6 photodynamic therapy sessions using methylene blue and IPL (560 to 700 nm, fluence 12 J/cm2). Group B patients were treated using 6 bimonthly fractional CO2 laser sessions (10,600 nm, 1.600 mj energy and 0.6 mm density) and group C patients were treated using 6 combined fractional CO2 laser and photodynamic therapy sessions. Patients were evaluated mycologically, dermoscopically and clinically by calculation of proximal nail diameter percentage at baseline, monthly, at the end of treatment and after a 6-month follow-up period post-treatment. RESULTS Candida was the most commonly isolated organismin in 64.7%, 70.6% and 70.6% of the pateints in groups A, B and C, respectively. The dermoscopic findings in the total dystrophic onychomycosis was subungual hyperkeratosis in 6 patients (100%), longitudinal streaks and striae in 1 patient (16.7%). In dorsolateral subungual onychomycosis, jagged proximal edge in 31 patients (70.5%), and pigmentation in 30 patients (68.2%) were noted. In proximal subungual onychomycosis irregular matt patches were seen in 1 patient (100%). Proximal nail diameter percentage showed statistically significant improvement after treatment and 6 months follow up in the 3 studied groups. Mean increase of proximal nail diameter after treatment was highest in group C (52.94 ± 20.24), followed by group B (43.82 ± 21.03) and least in group A (35.29 ± 17.0). This difference was statistically significant (p = 0.044). Reported side effects were mild-moderate pain, discoloration and paronychia. CONCLUSION We conclude that fractional CO2 laser and photodynamic monotherapy, and their combination achieve high success rates, good patient satisfaction and safety profile. Fractional CO2-assisted photodynamic therapy is associated with the highest improvement over either fractional CO2 or photodynamic therapy alone.
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Affiliation(s)
- Nagat Sobhy
- Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Alexandria University, Elkhartoum Square 21521, Egypt
| | - Heba Talla Eweed
- Bakkous Dermatology Clinic, Ministry of Health, Alexandria, Egypt
| | - Salma Samir Omar
- Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Alexandria University, Elkhartoum Square 21521, Egypt.
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Abdullah EM, Tawfik A, Fadel M, Alsharnoubi J, Abdel Fadeel DA, Abdallah N. Photodynamic therapy of tinea capitis in children using curcumin loaded in nanospanlastics: A randomized controlled comparative clinical study. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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13
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Prandini JA, Castro KADF, Biazzotto JC, Brancini GTP, Tomé JPC, Lourenço LMO, Braga GÚL, da Silva RS. Thiopyridinium phthalocyanine for improved photodynamic efficiency against pathogenic fungi. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2022; 231:112459. [PMID: 35512577 DOI: 10.1016/j.jphotobiol.2022.112459] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 03/26/2022] [Accepted: 04/22/2022] [Indexed: 06/14/2023]
Abstract
The emergence of opportunistic pathogens and the selection of resistant strains have created a grim scenario for conventional antimicrobials. Consequently, there is an ongoing search for alternative techniques to control these microorganisms. One such technique is antimicrobial photodynamic therapy (aPDT), which combines photosensitizers, light, and molecular oxygen to produce reactive oxygen species and kill the target pathogen. Here, the in vitro susceptibilities of three fungal pathogens, namely Candida albicans, Aspergillus nidulans, and Colletotrichum abscissum to aPDT with zinc(II) phthalocyanine (ZnPc) derivative complexes were investigated. Three ZnPc bearing thiopyridinium substituents were synthesized and characterized by several spectroscopic techniques. The Q-band showed sensitivity to the substituent with high absorptivity coefficient in the 680-720 nm region. Derivatization and position of the rings with thiopyridinium units led to high antifungal efficiency of the cationic phthalocyanines, which could be correlated with singlet oxygen quantum yield, subcellular localization, and cellular uptake. The minimum inhibitory concentrations (MIC) of the investigated ZnPc-R complexes against the studied microorganisms were 2.5 μM (C. albicans) and 5 μM (A. nidulans and C. abscissum). One ZnPc derivative achieved complete photokilling of C. albicans and, furthermore, yielded low MIC values when used against the tolerant plant-pathogen C. abscissum. Our results show that chemical modification is an important step in producing better photosensitizers for aPDT against fungal pathogens.
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Affiliation(s)
- Juliana A Prandini
- Departamento de Ciências Biomoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Kelly A D F Castro
- Departamento de Ciências Biomoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Juliana C Biazzotto
- Departamento de Ciências Biomoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Guilherme T P Brancini
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - João P C Tomé
- Centro de Química Estrutural, Institute of Molecular Sciences & Dpto. de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | | | - Gilberto Ú L Braga
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil.
| | - Roberto S da Silva
- Departamento de Ciências Biomoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil.
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14
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de Oliveira de Siqueira LB, Dos Santos Matos AP, da Silva MRM, Pinto SR, Santos-Oliveira R, Ricci-Júnior E. Pharmaceutical Nanotechnology Applied to Phthalocyanines for the Promotion of the Antimicrobial Photodynamic Therapy: A Literature Review. Photodiagnosis Photodyn Ther 2022; 39:102896. [PMID: 35525432 DOI: 10.1016/j.pdpdt.2022.102896] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 04/08/2022] [Accepted: 05/02/2022] [Indexed: 12/24/2022]
Abstract
Phthalocyanines are photosensitizers activated by light at a specific wavelength in the presence of oxygen and act topically through the production of Reactive Oxygen Species, which simultaneously attack several biomolecular targets in the pathogen agent and, therefore, have multiple and variable action sites. This nonspecific action site delineates the conventional resistance mechanisms. Antimicrobial Photodynamic Therapy (aPDT) is safe, easy to implement and, unlike conventional agents, the activity spectrum of photoantimicrobials. This work is a systematic review of the literature based on nanocarriers containing phthalocyanines in aPDT against bacteria, fungi, viruses, and protozoa. The search was performed in two different databases (MEDLINE/PubMed and Web of Science) between 2011 and May 2021. Nanocarriers often improve the action or are equivalent to free drugs, but their use allows substituting the organic solvent in the case of hydrophobic phthalocyanines, allowing for a safer application of aPDT with the possibility of prolonged release. In the case of hydrophilic phthalocyanines, they would allow for nonspecific site delivery with a possibility of cellular internalization. A single infectious lesion can have multiple microorganisms, and PDT with phthalocyanines is an interesting treatment given its ample spectrum of action. It is possible to highlight the upconversion nanosystems, which allow for the activation of phthalocyanine in deeper tissues by using longer wavelengths, as a system that has not yet been studied, but which could provide treatment solutions. The use of nanocarriers containing phthalocyanines requires more studies in animal models and clinical studies to establish the use of aPDT in humans.
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Affiliation(s)
| | - Ana Paula Dos Santos Matos
- Galenic Development Laboratory (LADEG), Pharmacy School, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
| | - Marcio Robert Mattos da Silva
- Galenic Development Laboratory (LADEG), Pharmacy School, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Suyene Rocha Pinto
- Laboratory of Nanoradiopharmaceutical and Synthesis of Novels Radiopharmaceuticals, Nuclear Engineering Institute, Rio de Janeiro, RJ, Brazil
| | - Ralph Santos-Oliveira
- Laboratory of Nanoradiopharmaceutical and Synthesis of Novels Radiopharmaceuticals, Nuclear Engineering Institute, Rio de Janeiro, RJ, Brazil; Laboratory of Nanoradiopharmacy and Radiopharmaceuticals, Zona Oeste State University, Rio de Janeiro, RJ, Brazil
| | - Eduardo Ricci-Júnior
- Galenic Development Laboratory (LADEG), Pharmacy School, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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15
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Tiburcio MA, Rocha AR, Romano RA, Inada NM, Bagnato VS, Carlos RM, Buzzá HH. In vitro evaluation of the cis-[Ru(phen) 2(pPDIp)] 2+⁎⁎ complex for antimicrobial photodynamic therapy against Sporothrix brasiliensis and Candida albicans. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2022; 229:112414. [PMID: 35276578 DOI: 10.1016/j.jphotobiol.2022.112414] [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: 05/26/2021] [Revised: 02/10/2022] [Accepted: 02/21/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Photodynamic therapy (PDT) activates a photosensitizer by visible light to generate cytotoxic oxygen species that lead to cell death. With proper illumination, PDT is often used in applications on superficial and sub-surface lesions. Sporotrichosis infection occurs by Sporothrix fungi which causes a skin wound, worsened by Candida albicans infections. This study investigated the photosensitizing efficiency of the Ru(phen)2(pPDIp)(PF6)2 complex, RupPDIp, against S. brasiliensis and C. albicans. MATERIAL AND METHODS RupPDIp efficiency against these fungi was tested using 450 nm (blue light and 36 J/cm2) and 525 nm (green light, 25.2 J/cm2) at 0.05-20 μM concentrations. To ensure PDT effectiveness, control groups were tested in the absence and in the presence of RupPDIp under light irradiation and in the dark. RESULTS RupPDIp eliminated both fungi at ≤5.0 μM. Green light showed the best results, eliminating S. brasiliensis and C. albicans colonies at RupPDIp 0.5 μM and 0.05 μM, respectively. CONCLUSION RupPDIp is a promising photosensitizer in aPDT, eliminating 106 CFU/mL of both fungi at 450 nm and 525 nm, with lower light doses and concentrations when treated with the green light compared to the blue light.
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Affiliation(s)
- M A Tiburcio
- Chemistry Department, Federal University of São Carlos, Brazil.
| | - A R Rocha
- São Carlos Institute of Physics, University of Sao Paulo, Brazil; PPG Biotec, Federal University of São Carlos, Brazil
| | - R A Romano
- São Carlos Institute of Physics, University of Sao Paulo, Brazil
| | - N M Inada
- São Carlos Institute of Physics, University of Sao Paulo, Brazil
| | - V S Bagnato
- São Carlos Institute of Physics, University of Sao Paulo, Brazil; Hagler Fellow, Texas A&M University, College Station, TX, USA
| | - R M Carlos
- Chemistry Department, Federal University of São Carlos, Brazil
| | - H H Buzzá
- São Carlos Institute of Physics, University of Sao Paulo, Brazil; Institute of Physics, Pontificia Universidad Católica de Chile, Santiago, Chile.
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da Silva AP, Uliana MP, Guimarães FEG, de Oliveira KT, Blanco KC, Bagnato VS, Inada NM. Investigation on the in vitro anti-Trichophyton activity of photosensitizers. Photochem Photobiol Sci 2022; 21:1185-1192. [PMID: 35325444 DOI: 10.1007/s43630-022-00205-3] [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: 10/13/2021] [Accepted: 03/09/2022] [Indexed: 10/18/2022]
Abstract
Onychomycosis is the most common disease caused by fungal nail infections, and often caused by dermatophytes. This infection is very resistant to antifungal treatments, and promising Photodynamic Therapy (PDT) mediated treatments has been presented as a multitarget tracking. Optimization of PDT guide for uptake time, concentration of photosensitizers (PS) and the light dose to inactivate Trichophyton mentagrophytes. Curcumin derivatives, porphyrin Chlorin e6 (CHL-E6) and Chlorin-P6-6-N-butylamide-7-methyl-ester (CHL-butyl) were evaluated. PS photobleaching was observed on the hyphae photosensitized over the time, correlating the PS concentration and light dose of antifungal PDT. Porphyrin, Curcumin, Chl-e6 and Chl-butyl concentrations of 2.5 µg/mL, 0.025 µg/mL, 10 µg/mL and 5 µg/mL respectively, under illumination of 10.5 J/cm2 were the best antifungal conditions found in the study. Curcumin, in low concentrations, and chlorin were the PSs with higher activity anti-T. mentagrophytes.
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Affiliation(s)
- Ana Paula da Silva
- São Carlos Institute of Physics, University of São Paulo, São Carlos Trabalhador São-carlense Av., 400, São Carlos, São Paulo, 13566-590, Brazil
| | - Marciana Pierina Uliana
- Federal University for Latin American Integration, CEP 85866-000, Caixa Postal 2044, Foz do Iguaçu, PR, Brazil
| | - Francisco Eduardo Gontijo Guimarães
- São Carlos Institute of Physics, University of São Paulo, São Carlos Trabalhador São-carlense Av., 400, São Carlos, São Paulo, 13566-590, Brazil
| | | | - Kate Cristina Blanco
- São Carlos Institute of Physics, University of São Paulo, São Carlos Trabalhador São-carlense Av., 400, São Carlos, São Paulo, 13566-590, Brazil. .,Texas A & University, College Station, TX, USA.
| | - Vanderlei Salvador Bagnato
- São Carlos Institute of Physics, University of São Paulo, São Carlos Trabalhador São-carlense Av., 400, São Carlos, São Paulo, 13566-590, Brazil.,Texas A & University, College Station, TX, USA
| | - Natalia Mayumi Inada
- São Carlos Institute of Physics, University of São Paulo, São Carlos Trabalhador São-carlense Av., 400, São Carlos, São Paulo, 13566-590, Brazil
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17
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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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18
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Photosensitization of a subcutaneous tumour by the natural anthraquinone parietin and blue light. Sci Rep 2021; 11:23820. [PMID: 34893702 PMCID: PMC8664885 DOI: 10.1038/s41598-021-03339-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 12/01/2021] [Indexed: 12/15/2022] Open
Abstract
Photodynamic therapy (PDT) is an anticancer treatment involving administration of a tumour-localizing photosensitizer, followed by activation by light of a suitable wavelength. In previous work, we showed that the natural anthraquinone (AQ) Parietin (PTN), was a promising photosensitizer for photodynamic therapy of leukemic cells in vitro. The present work aimed to analyze the photosensitizing ability of PTN in the mammary carcinoma LM2 cells in vitro and in vivo in a model of subcutaneously implanted tumours. Photodynamic therapy mediated by parietin (PTN-PDT) (PTN 30 µM, 1 h and 1.78 J/cm2 of blue light) impaired cell growth and migration of LM2 cells in vitro. PTN per se induced a significant decrease in cell migration, and it was even more marked after illumination (migration index was 0.65 for PTN and 0.30 for PTN-PDT, *p < 0.0001, ANOVA test followed by Tukey's multiple comparisons test), suggesting that both PTN and PTN-PDT would be potential inhibitors of metastasis. Fluorescence microscopy observation indicated cytoplasmic localization of the AQ and no fluorescence at all was recorded in the nuclei. When PTN (1.96 mg) dissolved in dimethyl sulfoxide was topically applied on the skin of mice subcutaneously implanted with LM2 cells, PTN orange fluorescence was strongly noticed in the stratum corneum and also in the inner layers of the tumour up to approximately 5 mm. After illumination with 12.74 J/cm2 of blue light, one PDT dose at day 1, induced a significant tumour growth delay at day 3, which was not maintained in time. Therefore, we administered a second PTN-PDT boost on day 3. Under these conditions, the delay of tumour growth was 28% both on days 3 and 4 of the experiment (*p < 0.05 control vs. PTN-PDT, two-way ANOVA, followed by Sidak's multiple comparisons test). Histology of tumours revealed massive tumour necrosis up to 4 mm of depth. Intriguingly, a superficial area of viable tumour in the 1 mm superficial area, and a quite conserved intact skin was evidenced. We hypothesize that this may be due to PTN aggregation in contact with the skin and tumour milieu of the most superficial tumour layers, thus avoiding its photochemical properties. On the other hand, normal skin treated with PTN-PDT exhibited slight histological changes. These preliminary findings encourage further studies of natural AQs administered in different vehicles, for topical treatment of cutaneous malignancies.
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Cui Z, Zhang M, Geng S, Niu X, Wang X, Zhu Y, Ye F, Liu C. Antifungal Effect of Antimicrobial Photodynamic Therapy Mediated by Haematoporphyrin Monomethyl Ether and Aloe Emodin on Malassezia furfur. Front Microbiol 2021; 12:749106. [PMID: 34867868 PMCID: PMC8637056 DOI: 10.3389/fmicb.2021.749106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 10/12/2021] [Indexed: 11/13/2022] Open
Abstract
Infectious dermatological diseases caused by Malassezia furfur are often chronic, recurrent, and recalcitrant. Current therapeutic options are usually tedious, repetitive, and associated with adverse effects. Alternatives that broaden the treatment options and reduce side effects for patients are needed. Antimicrobial photodynamic therapy (aPDT) is an emerging approach that is quite suitable for superficial infections. The aim of this study is to investigate the antimicrobial efficacy and effect of aPDT mediated by haematoporphyrin monomethyl ether (HMME) and aloe emodin (AE) on clinical isolates of M. furfur in vitro. The photodynamic antimicrobial efficacy of HMME and AE against M. furfur was assessed by colony forming unit (CFU) assay. The uptake of HMME and AE by M. furfur cells was investigated by fluorescence microscopy. Reactive oxygen species (ROS) probe and flow cytometry were employed to evaluate the intracellular ROS level. The effect of HMME and AE-mediated aPDT on secreted protease and lipase activity of M. furfur was also investigated. The results showed that HMME and AE in the presence of light effectively inactivated M. furfur cells in a photosensitizer (PS) concentration and light energy dose-dependent manner. AE exhibited higher antimicrobial efficacy against M. furfur than HMME under the same irradiation condition. HMME and AE-mediated aPDT disturbed the fungal cell envelop, significantly increased the intracellular ROS level, and effectively inhibited the activity of secreted protease and lipase of M. furfur cells. The results suggest that HMME and AE have potential to serve as PSs in the photodynamic treatment of dermatological diseases caused by M. furfur, but further ex vivo or in vivo experiments are needed to verify that they can meet the requirements for clinical practice.
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Affiliation(s)
- Zixin Cui
- Department of Infection, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Miaomiao Zhang
- Department of Pathogenic Microbiology and Immunology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Songmei Geng
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xinwu Niu
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xiaopeng Wang
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yanyan Zhu
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Feng Ye
- Department of Infection, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Chengcheng Liu
- Department of Pathogenic Microbiology and Immunology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
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Recent Advances in Photodynamic Therapy against Fungal Keratitis. Pharmaceutics 2021; 13:pharmaceutics13122011. [PMID: 34959293 PMCID: PMC8709008 DOI: 10.3390/pharmaceutics13122011] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 11/14/2021] [Accepted: 11/20/2021] [Indexed: 01/08/2023] Open
Abstract
Fungal keratitis is a serious clinical infection on the cornea caused by fungi and is one of the leading causes of blindness in Asian countries. The treatment options are currently limited to a few antifungal agents. With the increasing incidence of drug-resistant infections, many patients fail to respond to antibiotics. Riboflavin-mediated corneal crosslinking (similar to photodynamic therapy (PDT)) for corneal ectasia was approved in the US in the early 2000s. Current evidence suggests that PDT could have the potential to inhibit fungal biofilm formation and overcome drug resistance by using riboflavin and rose bengal as photosensitizers. However, only a few clinical trials have been initiated in anti-fungal keratitis PDT treatment. Moreover, the removal of the corneal epithelium and repeated application of riboflavin and rose bengal are required to improve drug penetration before and during PDT. Thus, an improvement in trans-corneal drug delivery is mandatory for a successful and efficient treatment. In this article, we review the studies published to date using PDT against fungal keratitis and aim to enhance the understanding and awareness of this research area. The potential of modifying photosensitizers using nanotechnology to improve the efficacy of PDT on fungal keratitis is also briefly reviewed.
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Youf R, Müller M, Balasini A, Thétiot F, Müller M, Hascoët A, Jonas U, Schönherr H, Lemercier G, Montier T, Le Gall T. Antimicrobial Photodynamic Therapy: Latest Developments with a Focus on Combinatory Strategies. Pharmaceutics 2021; 13:1995. [PMID: 34959277 PMCID: PMC8705969 DOI: 10.3390/pharmaceutics13121995] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/17/2021] [Accepted: 11/17/2021] [Indexed: 02/06/2023] Open
Abstract
Antimicrobial photodynamic therapy (aPDT) has become a fundamental tool in modern therapeutics, notably due to the expanding versatility of photosensitizers (PSs) and the numerous possibilities to combine aPDT with other antimicrobial treatments to combat localized infections. After revisiting the basic principles of aPDT, this review first highlights the current state of the art of curative or preventive aPDT applications with relevant clinical trials. In addition, the most recent developments in photochemistry and photophysics as well as advanced carrier systems in the context of aPDT are provided, with a focus on the latest generations of efficient and versatile PSs and the progress towards hybrid-multicomponent systems. In particular, deeper insight into combinatory aPDT approaches is afforded, involving non-radiative or other light-based modalities. Selected aPDT perspectives are outlined, pointing out new strategies to target and treat microorganisms. Finally, the review works out the evolution of the conceptually simple PDT methodology towards a much more sophisticated, integrated, and innovative technology as an important element of potent antimicrobial strategies.
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Affiliation(s)
- Raphaëlle Youf
- Univ Brest, INSERM, EFS, UMR 1078, GGB-GTCA, F-29200 Brest, France; (R.Y.); (A.H.); (T.M.)
| | - Max Müller
- Physical Chemistry I & Research Center of Micro- and Nanochemistry and (Bio)Technology of Micro and Nanochemistry and Engineering (Cμ), Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Straße 2, 57076 Siegen, Germany; (M.M.); (M.M.)
| | - Ali Balasini
- Macromolecular Chemistry, Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Straße 2, 57076 Siegen, Germany; (A.B.); (U.J.)
| | - Franck Thétiot
- Unité Mixte de Recherche (UMR), Centre National de la Recherche Scientifique (CNRS) 6521, Université de Brest (UBO), CS 93837, 29238 Brest, France
| | - Mareike Müller
- Physical Chemistry I & Research Center of Micro- and Nanochemistry and (Bio)Technology of Micro and Nanochemistry and Engineering (Cμ), Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Straße 2, 57076 Siegen, Germany; (M.M.); (M.M.)
| | - Alizé Hascoët
- Univ Brest, INSERM, EFS, UMR 1078, GGB-GTCA, F-29200 Brest, France; (R.Y.); (A.H.); (T.M.)
| | - Ulrich Jonas
- Macromolecular Chemistry, Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Straße 2, 57076 Siegen, Germany; (A.B.); (U.J.)
| | - Holger Schönherr
- Physical Chemistry I & Research Center of Micro- and Nanochemistry and (Bio)Technology of Micro and Nanochemistry and Engineering (Cμ), Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Straße 2, 57076 Siegen, Germany; (M.M.); (M.M.)
| | - Gilles Lemercier
- Coordination Chemistry Team, Unité Mixte de Recherche (UMR), Centre National de la Recherche Scientifique (CNRS) 7312, Institut de Chimie Moléculaire de Reims (ICMR), Université de Reims Champagne-Ardenne, BP 1039, CEDEX 2, 51687 Reims, France
| | - Tristan Montier
- Univ Brest, INSERM, EFS, UMR 1078, GGB-GTCA, F-29200 Brest, France; (R.Y.); (A.H.); (T.M.)
- CHRU de Brest, Service de Génétique Médicale et de Biologie de la Reproduction, Centre de Référence des Maladies Rares Maladies Neuromusculaires, 29200 Brest, France
| | - Tony Le Gall
- Univ Brest, INSERM, EFS, UMR 1078, GGB-GTCA, F-29200 Brest, France; (R.Y.); (A.H.); (T.M.)
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22
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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: 28] [Impact Index Per Article: 9.3] [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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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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24
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Reina BD, Santezi Neto C, Garcia PPNS, Chorilli M, Calixto GMF, Dovigo LN. Bioadhesive Curcumin-Mediated Photodynamic Inactivation and Its Potential to Cause Undesirable Effects on Dental and Restorative Surfaces. Pharmaceutics 2021; 13:pharmaceutics13091458. [PMID: 34575534 PMCID: PMC8468794 DOI: 10.3390/pharmaceutics13091458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 08/26/2021] [Accepted: 09/07/2021] [Indexed: 11/25/2022] Open
Abstract
Curcumin-mediated Photodynamic Inactivation (PDI) has shown great potential to disinfect specific sites on tooth enamel but may involve contact with restorative materials. Thus, before use in dentistry, it is necessary to investigate whether the PDI protocol causes undesirable changes in the surfaces of aesthetic restorative materials and dental enamel. This study investigated the effect of PDI mediated by curcumin (CUR) in a liquid crystal precursor system on color stability (ΔE), surface roughness (Ra), and microhardness (kgf) of three different composite resins and bovine dental enamel specimens. The microhardness and roughness readings were performed 60 days after the treatments while the color readings were performed immediately, 24, 48, and 72 h, 7, 14, 21, 30, and 60 days after the treatments. Results showed that CUR mediated-PDI does not seem to have the potential to promote any esthetic or mechanical changes to the surface of tooth enamel and can be applied safely in clinical practice. However, the results on color, roughness, and hardness obtained for composite resins show that some negative effects can be produced, depending on the type of restorative material; more experiments must be performed with different formulations and, perhaps, with lower concentrations of CUR.
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Affiliation(s)
- Bárbara Donadon Reina
- Department of Social Dentistry, School of Dentistry, São Paulo State University (UNESP), Rua Humaitá 1680, Araraquara SP 14801-903, Brazil; (B.D.R.); (P.P.N.S.G.)
| | - Carolina Santezi Neto
- Independent Researcher, the Moment of the Submission (Unaffiliated Researcher), São Carlos SP 14801-903, Brazil;
| | - Patrícia Petromilli Nordi Sasso Garcia
- Department of Social Dentistry, School of Dentistry, São Paulo State University (UNESP), Rua Humaitá 1680, Araraquara SP 14801-903, Brazil; (B.D.R.); (P.P.N.S.G.)
| | - Marlus Chorilli
- Department of Drugs and Medicines, School of Pharmacy, São Paulo State University (UNESP), Rodovia Araraquara-Jaú, Km. 1, Araraquara SP 14800-903, Brazil;
| | - Giovana Maria Fioramonti Calixto
- Department of Biosciences, Piracicaba Dental School, University of Campinas (UNICAMP), Avenida Limeira, Piracicaba SP 13414-903, Brazil;
| | - Lívia Nordi Dovigo
- Department of Social Dentistry, School of Dentistry, São Paulo State University (UNESP), Rua Humaitá 1680, Araraquara SP 14801-903, Brazil; (B.D.R.); (P.P.N.S.G.)
- Correspondence:
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Aroso RT, Piccirillo G, Arnaut ZA, Gonzalez AC, Rodrigues FM, Pereira MM. Photodynamic inactivation of influenza virus as a potential alternative for the control of respiratory tract infections. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY 2021. [DOI: 10.1016/j.jpap.2021.100043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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26
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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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The inhibitory activity of 5-aminolevulinic acid photodynamic therapy (ALA-PDT) on Candida albicans biofilms. Photodiagnosis Photodyn Ther 2021; 34:102271. [PMID: 33785444 DOI: 10.1016/j.pdpdt.2021.102271] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 02/26/2021] [Accepted: 03/22/2021] [Indexed: 11/20/2022]
Abstract
BACKGROUND Biofilm-associated Candida albicans (C. albicans) infections are hard to cure due to their high levels of resistance to antifungal agents. Photodynamic therapy (PDT) is a promising approach for controlling infections caused by C. albicans. This study was designed to explore the inhibitory activity of PDT using 5-aminolevulinic acid (ALA) as photosensitizer against C. albicans biofilms. METHODS C. albicans cell suspensions were incubated for 48 h to form mature biofilms. ALA solution was diluted to 15 mM and incubated with C. albicans biofilms for 5 h before irradiated by red light semiconductor laser under the light intensity of 300 J/cm2 and fluence rate of 100 mW/cm2 for 50 min. The inhibitory activity was evaluated from subcellular level, molecular level and transcriptional level using transmission electron microscopy (TEM) observation, flow cytometry analysis and quantitative Real-Time Polymerase Chain Reaction (qRT-PCR) assays, respectively. RESULTS From subcellular level, the degraded content of the cytoplasm, nuclear condensation and mitochondrial swelling were observed after ALA-PDT. From molecular level, ALA-PDT resulted in 19.4 % cell apoptosis. From transcriptional level, ALA-PDT significantly reduced the mRNA expressions of hyphae-specific genes (HWP1 and ALS3) and long-term biofilm maintenance genes (UME6 and HGC1), whereas ALA or red light alone had no significant effect. CONCLUSIONS The inhibitory activity indicated that ALA-PDT may have the potential to serve as an antifungal strategy in eliminatingC. albicans biofilms.
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28
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Shi L, Wu Q, Yang J, Tan J, Yang H, Hu C, Zhang Y, Zhang H, Zhang L, Liu Y, Yang L, Wang X. ALA-PDT successfully treated Majocchi's granuloma by directly killing Trichophyton tonsurans and recruiting T lymphocytes. Photodiagnosis Photodyn Ther 2021; 35:102328. [PMID: 34004363 DOI: 10.1016/j.pdpdt.2021.102328] [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: 02/18/2021] [Revised: 04/11/2021] [Accepted: 04/30/2021] [Indexed: 12/24/2022]
Abstract
BACKGROUND Majocchi's granuloma (MG) is a deep persistent suppurative granulomatous perifolliculitis which might be caused by Trichophyton tonsurans (T. tonsurans). Conventional treatment for MG is oral administration of systematic antifungal drugs, associated with a low cure rate and a high relapse rate. ALA-PDT is a new approach for fungal infection. METHODS A case of refractory MG was treated by 3 times of ALA-PDT. At the same time, T. tonsurans strains isolated from the lesions of the patient were used for an in vitro inhibition experiment and an in vivo experiment in guinea pig model to furtherly verify the effectiveness and investigate the mechanism of ALA-PDT for T. tonsurans. RESULTS After 3 times of ALA-PDT, the lesions of MG were eliminated. And the mycological and pathological examination showed a disappearance of fungi in follicles. In vitro and in vivo experiment both demonstrated that ALA-PDT could obviously inhibit the growth of T. tonsurans partly by directly destroying the structure of fungal cells and recruiting CD4 + T cells. CONCLUSION ALA-PDT is a potentially effective noninvasive method for the treatment of MG with mechanisms of direct killing and with CD4+ T cell-mediated immune response.
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Affiliation(s)
- Lei Shi
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Baode Road 1278, Shanghai, 200443, China
| | - Qianqian Wu
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Baode Road 1278, Shanghai, 200443, China
| | - Jin Yang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Baode Road 1278, Shanghai, 200443, China
| | - Jingwen Tan
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Baode Road 1278, Shanghai 200443, China
| | - Hong Yang
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Baode Road 1278, Shanghai 200443, China
| | - Chan Hu
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Baode Road 1278, Shanghai, 200443, China
| | - Yunfeng Zhang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Baode Road 1278, Shanghai, 200443, China
| | - Haiyan Zhang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Baode Road 1278, Shanghai, 200443, China
| | - Linglin Zhang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Baode Road 1278, Shanghai, 200443, China
| | - Yeqiang Liu
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Baode Road 1278, Shanghai 200443, China
| | - Lianjuan Yang
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Baode Road 1278, Shanghai 200443, China.
| | - Xiuli Wang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Baode Road 1278, Shanghai, 200443, China.
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Lin CN, Ding SJ, Chen CC. Synergistic Photoantimicrobial Chemotherapy of Methylene Blue-Encapsulated Chitosan on Biofilm-Contaminated Titanium. Pharmaceuticals (Basel) 2021; 14:346. [PMID: 33918682 PMCID: PMC8069275 DOI: 10.3390/ph14040346] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/07/2021] [Accepted: 04/08/2021] [Indexed: 11/23/2022] Open
Abstract
Intensive efforts have been made to eliminate or substantial reduce bacterial adhesion and biofilm formation on titanium implants. However, in the management of peri-implantitis, the methylene blue (MB) photosensitizer commonly used in photoantimicrobial chemotherapy (PACT) is limited to a low retention on the implant surface. The purpose of this study was to assess enhancive effect of water-soluble quaternary ammonium chitosan (QTS) on MB retention on biofilm-infected SLA (sandblasted, large grid, and acid-etched) Ti alloy surfaces in vitro. The effectiveness of QTS + MB with different concentrations in eliminating Gram-negative A. actinomycetemcomitans or Gram-positive S. mutans bacteria was compared before and after PACT. Bacterial counting and lipopolysaccharide (LPS) detection were examined, and then the growth of human osteoblast-like MG63 cells was evaluated. The results indicated that the synergistic QTS + MB with retention ability significantly decreased the biofilm accumulation on the Ti alloy surface, which was better than the same concentration of 1 wt% methyl cellulose (MC). More importantly, the osteogenic activity of MG63 cells on the disinfected sample treated by QTS + MB-PACT modality was comparable to that of sterile Ti control, significantly higher than that by MC + MB-PACT modality. It is concluded that, in terms of improved retention efficacy, effective bacteria eradication, and enhanced cell growth, synergistically, PACT using the 100 μg/mL MB-encapsulated 1% QTS was a promising modality for the treatment of peri-implantitis.
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Affiliation(s)
- Chiu-Nan Lin
- Institute of Oral Science, Chung Shan Medical University, Taichung City 402, Taiwan;
| | - Shinn-Jyh Ding
- Institute of Oral Science, Chung Shan Medical University, Taichung City 402, Taiwan;
- Department of Stomatology, Chung Shan Medical University Hospital, Taichung City 402, Taiwan
| | - Chun-Cheng Chen
- Department of Stomatology, Chung Shan Medical University Hospital, Taichung City 402, Taiwan
- School of Dentistry, Chung Shan Medical University, Taichung City 402, Taiwan
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Openda YI, Ngoy BP, Nyokong T. Photodynamic Antimicrobial Action of Asymmetrical Porphyrins Functionalized Silver-Detonation Nanodiamonds Nanoplatforms for the Suppression of Staphylococcus aureus Planktonic Cells and Biofilms. Front Chem 2021; 9:628316. [PMID: 33777896 PMCID: PMC7991625 DOI: 10.3389/fchem.2021.628316] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 02/03/2021] [Indexed: 11/13/2022] Open
Abstract
New asymmetrical porphyrin derivatives containing a p-hydroxyphenyl moiety and p-acetylphenyl moieties along with their functionalized silver-detonation nanodiamonds nanohybrids were characterized and their photophysicochemical properties were established. The study provides evidence that the metalated porphyrin derivatives were red-shifted in absorption wavelength and possessed high singlet oxygen quantum yield comparative to the unmetalated core, thus making them suitable agents for photodynamic antimicrobial chemotherapy. As a result of conjugation to detonation nanodiamonds and silver nanoparticles, these compounds proved to be more effective as they exhibited stronger antibacterial and anti-biofilm activities on the multi-drug resistant S. aureus strain due to synergetic effect, compared to Ps alone. This suggests that the newly prepared nanohybrids could be used as a potential antimicrobial agent in the treatment of biofilms caused by S. aureus strain.
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Affiliation(s)
- Yolande I. Openda
- Institute for Nanotechnology Innovation, Department of Chemistry, Rhodes University, Makhanda, South Africa
| | - Bokolombe P. Ngoy
- Institute for Nanotechnology Innovation, Department of Chemistry, Rhodes University, Makhanda, South Africa
- Département de Chimie, Université de Kinshasa, Kinshasa, Democratic Republic of the Congo
| | - Tebello Nyokong
- Institute for Nanotechnology Innovation, Department of Chemistry, Rhodes University, Makhanda, South Africa
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Dibona-Villanueva L, Fuentealba D. Novel Chitosan-Riboflavin Conjugate with Visible Light-Enhanced Antifungal Properties against Penicillium digitatum. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:945-954. [PMID: 33438400 DOI: 10.1021/acs.jafc.0c08154] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
A novel chemical conjugate between chitosan (CH) and riboflavin (RF) has been synthesized and characterized via Fourier transform infrared, NMR, and other spectroscopic methods. Photophysical and photochemical properties such as absorption spectra, fluorescence emission, fluorescence anisotropy, and singlet oxygen generation were characterized as well. This new biopolymer-based conjugate was designed to have an antifungal effect enhanced through antimicrobial photodynamic therapy. The antifungal effect of this conjugate (CH-RF) was compared with CH and RF against Penicillium digitatum in vitro. The conjugate showed the highest fungal growth inhibition of all systems tested at a dose of 0.5% w/v. This new biopolymer-based compound could be a promising alternative to fungicides used in citrus fruits postharvest.
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Affiliation(s)
- Luciano Dibona-Villanueva
- Laboratorio de Química Biosupramolecular, Departamento de Química Física, Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
| | - Denis Fuentealba
- Laboratorio de Química Biosupramolecular, Departamento de Química Física, Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
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Galinari CB, Conrado PCV, Arita GS, Mosca VAB, Melo RC, Bianchi TDP, Faria DR, Sakita KM, Malacarne LC, Gonçalves RS, Pereira PCDS, Cesar GB, Caetano W, de Souza M, da Silva Palácios R, Baesso ML, Svidzinski TIE, Cotica ÉSK, Bonfim-Mendonça PDS. Nanoencapsulated hypericin in P-123 associated with photodynamic therapy for the treatment of dermatophytosis. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2020; 215:112103. [PMID: 33383558 DOI: 10.1016/j.jphotobiol.2020.112103] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 12/08/2020] [Accepted: 12/11/2020] [Indexed: 12/26/2022]
Abstract
The antifungal application of photodynamic therapy (PDT) has been widely explored. According to superficial nature of tinea capitis and the facility of application of light sources, the use of nanoencapsulated hypericin in P-123 associated with PDT (P123-Hy-PDT) has been a poweful tool to treat this pathology. Thus, the aim of this study was to evaluate the efficiency of P123-Hy-PDT against planktonic cells and in a murine model of dermatophytosis caused by Microsporum canis. In vitro antifungal susceptibility and in vivo efficiency tests were performed, including a skin toxicity assay, analysis of clinical signs by evaluating score, and photoacoustic spectroscopy. In addition, tissue analyses by histopathology and levels of pro-inflammatory cytokines, such as quantitative and qualitative antifungal assays, were employed. The in vitro assays demonstrated antifungal susceptibility with 6.25 and 12.5 μmol/L P123-Hy-PDI; these experiments are the first that have used this treatment of animals. P123-Hyp-mediated PDT showed neither skin nor biochemical alteration in vivo; it was safe for dermatophytosis treatment. Additionally, the treatment revealed rapid improvement in clinical signs at the site of infection after only three treatment sessions, with a clinical score confirmed by photoacoustic spectroscopy. The mycological reduction occurred after six treatment sessions, with a statistically significant decrease compared with untreated infected animals. These findings showed that P123-Hy-PDT restored tissue damage caused by infection, a phenomenon confirmed by histopathological analysis and proinflammatory cytokine levels. Our results reveal for the first time that P123-Hy-PDT is a promising treatment for tinea capitis and tinea corporis caused by M. canis, because it showed rapid clinical improvement and mycological reduction without causing toxicity.
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Affiliation(s)
- Camila Barros Galinari
- Department of Analysis Clinics & Biomedicine, State University of Maringá, Paraná, Brazil
| | | | - Glaucia Sayuri Arita
- Department of Analysis Clinics & Biomedicine, State University of Maringá, Paraná, Brazil
| | | | - Raquel Cabral Melo
- Department of Analysis Clinics & Biomedicine, State University of Maringá, Paraná, Brazil
| | - Tiago de Paula Bianchi
- Department of Analysis Clinics & Biomedicine, State University of Maringá, Paraná, Brazil
| | - Daniella Renata Faria
- Department of Analysis Clinics & Biomedicine, State University of Maringá, Paraná, Brazil
| | - Karina Mayumi Sakita
- Department of Analysis Clinics & Biomedicine, State University of Maringá, Paraná, Brazil
| | | | | | | | | | - Wilker Caetano
- Department of Chemistry, State University of Maringá, Paraná, Brazil
| | - Monique de Souza
- Department of Physics, State University of Maringá, Paraná, Brazil
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Mugas ML, Calvo G, Marioni J, Céspedes M, Martinez F, Sáenz D, Di Venosa G, Cabrera JL, Montoya SN, Casas A. Photodynamic therapy of tumour cells mediated by the natural anthraquinone parietin and blue light. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2020; 214:112089. [PMID: 33271387 DOI: 10.1016/j.jphotobiol.2020.112089] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/15/2020] [Accepted: 11/18/2020] [Indexed: 12/21/2022]
Abstract
Photodynamic therapy (PDT) is a treatment for superficial tumours involving the administration of a photosensitiser followed by irradiation. The potential of the natural anthraquinone parietin (PTN) in PDT is still relatively unexploited. In the present work, PTN isolated from the lichen Teoloschistes nodulifer (Nyl.) Hillman (Telochistaceae) was evaluated as a potential photosensitiser on tumour cells employing UVA-Vis and blue light. Blue light of 2 J/cm2 induced 50% death of K562 leukaemic cells treated 1 h with 30 μM PTN (Protocol a). Higher light doses (8 J/cm2) were needed to achieve the same percentage of cell death employing lower PTN concentrations (3 μM) and higher exposure times (24 h) (Protocol b). Cell cycle analysis after both protocols of PTN-PDT revealed a high percentage of sub-G1 cells. PTN was found to be taken up by K562 cells mainly by passive diffusion. Other tumour cells such as ovary cancer IGROV-1 and LM2 mammary carcinoma, as well as the normal keratinocytes HaCaT, were also photosensitised with PTN-PDT. We conclude that PTN is a promising photosensitiser for PDT of superficial malignancies and purging of leukaemic cells, when illuminated with blue light. Thus, this light wavelength is proposed to replace the Vis-UVA lamps generally employed for the photosensitisation of anthraquinones.
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Affiliation(s)
- María Laura Mugas
- Centro de Investigaciones sobre Porfirinas y Porfirias (CIPYP), CONICET and Hospital de Clínicas José de San Martín, Universidad de Buenos Aires. Ciudad de Buenos Aires, Argentina; Universidad Nacional de Córdoba, Facultad de Ciencias Químicas, Departamento de Ciencias Farmacéuticas. Córdoba, Argentina
| | - Gustavo Calvo
- Centro de Investigaciones sobre Porfirinas y Porfirias (CIPYP), CONICET and Hospital de Clínicas José de San Martín, Universidad de Buenos Aires. Ciudad de Buenos Aires, Argentina
| | - Juliana Marioni
- Universidad Nacional de Córdoba, Facultad de Ciencias Químicas, Departamento de Ciencias Farmacéuticas. Córdoba, Argentina
| | - Mariela Céspedes
- Centro de Investigaciones sobre Porfirinas y Porfirias (CIPYP), CONICET and Hospital de Clínicas José de San Martín, Universidad de Buenos Aires. Ciudad de Buenos Aires, Argentina
| | - Florencia Martinez
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto Multidisciplinario de Biología Vegetal (IMBIV). Córdoba, Argentina
| | - Daniel Sáenz
- Centro de Investigaciones sobre Porfirinas y Porfirias (CIPYP), CONICET and Hospital de Clínicas José de San Martín, Universidad de Buenos Aires. Ciudad de Buenos Aires, Argentina
| | - Gabriela Di Venosa
- Centro de Investigaciones sobre Porfirinas y Porfirias (CIPYP), CONICET and Hospital de Clínicas José de San Martín, Universidad de Buenos Aires. Ciudad de Buenos Aires, Argentina
| | - José L Cabrera
- Universidad Nacional de Córdoba, Facultad de Ciencias Químicas, Departamento de Ciencias Farmacéuticas. Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto Multidisciplinario de Biología Vegetal (IMBIV). Córdoba, Argentina
| | - Susana Núñez Montoya
- Universidad Nacional de Córdoba, Facultad de Ciencias Químicas, Departamento de Ciencias Farmacéuticas. Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto Multidisciplinario de Biología Vegetal (IMBIV). Córdoba, Argentina
| | - Adriana Casas
- Centro de Investigaciones sobre Porfirinas y Porfirias (CIPYP), CONICET and Hospital de Clínicas José de San Martín, Universidad de Buenos Aires. Ciudad de Buenos Aires, Argentina.
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Verebová V, Beneš J, Staničová J. Biophysical Characterization and Anticancer Activities of Photosensitive Phytoanthraquinones Represented by Hypericin and Its Model Compounds. Molecules 2020; 25:E5666. [PMID: 33271809 PMCID: PMC7731333 DOI: 10.3390/molecules25235666] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/27/2020] [Accepted: 11/28/2020] [Indexed: 12/17/2022] Open
Abstract
Photosensitive compounds found in herbs have been reported in recent years as having a variety of interesting medicinal and biological activities. In this review, we focus on photosensitizers such as hypericin and its model compounds emodin, quinizarin, and danthron, which have antiviral, antifungal, antineoplastic, and antitumor effects. They can be utilized as potential agents in photodynamic therapy, especially in photodynamic therapy (PDT) for cancer. We aimed to give a comprehensive summary of the physical and chemical properties of these interesting molecules, emphasizing their mechanism of action in relation to their different interactions with biomacromolecules, specifically with DNA.
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Affiliation(s)
- Valéria Verebová
- Department of Chemistry, Biochemistry and Biophysics, University of Veterinary Medicine & Pharmacy, Komenského 73, 041 81 Košice, Slovakia;
| | - Jiří Beneš
- Institute of Biophysics and Informatics, First Faculty of Medicine, Charles University, Kateřinská 1, 121 08 Prague, Czech Republic;
| | - Jana Staničová
- Department of Chemistry, Biochemistry and Biophysics, University of Veterinary Medicine & Pharmacy, Komenského 73, 041 81 Košice, Slovakia;
- Institute of Biophysics and Informatics, First Faculty of Medicine, Charles University, Kateřinská 1, 121 08 Prague, Czech Republic;
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Klausen M, Ucuncu M, Bradley M. Design of Photosensitizing Agents for Targeted Antimicrobial Photodynamic Therapy. Molecules 2020; 25:E5239. [PMID: 33182751 PMCID: PMC7696090 DOI: 10.3390/molecules25225239] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/04/2020] [Accepted: 11/05/2020] [Indexed: 12/18/2022] Open
Abstract
Photodynamic inactivation of microorganisms has gained substantial attention due to its unique mode of action, in which pathogens are unable to generate resistance, and due to the fact that it can be applied in a minimally invasive manner. In photodynamic therapy (PDT), a non-toxic photosensitizer (PS) is activated by a specific wavelength of light and generates highly cytotoxic reactive oxygen species (ROS) such as superoxide (O2-, type-I mechanism) or singlet oxygen (1O2*, type-II mechanism). Although it offers many advantages over conventional treatment methods, ROS-mediated microbial killing is often faced with the issues of accessibility, poor selectivity and off-target damage. Thus, several strategies have been employed to develop target-specific antimicrobial PDT (aPDT). This includes conjugation of known PS building-blocks to either non-specific cationic moieties or target-specific antibiotics and antimicrobial peptides, or combining them with targeting nanomaterials. In this review, we summarise these general strategies and related challenges, and highlight recent developments in targeted aPDT.
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Affiliation(s)
- Maxime Klausen
- School of Chemistry and the EPSRC IRC Proteus, University of Edinburgh, Joseph Black Building, David Brewster Road, Edinburgh EH9 3FJ, UK;
| | - Muhammed Ucuncu
- School of Chemistry and the EPSRC IRC Proteus, University of Edinburgh, Joseph Black Building, David Brewster Road, Edinburgh EH9 3FJ, UK;
- Department of Analytical Chemistry, Faculty of Pharmacy, Izmir Katip Celebi University, Izmir 35620, Turkey
| | - Mark Bradley
- School of Chemistry and the EPSRC IRC Proteus, University of Edinburgh, Joseph Black Building, David Brewster Road, Edinburgh EH9 3FJ, UK;
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Lan Y, Lu S, Zheng B, Tang Z, Li J, Zhang J. Combinatory Effect of ALA-PDT and Itraconazole Treatment for Trichosporon asahii. Lasers Surg Med 2020; 53:722-730. [PMID: 33164224 DOI: 10.1002/lsm.23343] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/11/2020] [Accepted: 10/15/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND AND OBJECTIVES Trichosporiosis is an opportunistic infection that includes superficial infections, white piedra, hypersensitivity pneumonitis, and invasive trichosporonosis. The effect of antifungal agents against these infections is largely weakened by drug resistance and biofilms-related virulence. Photodynamic therapy (PDT) is a new therapeutic approach developed not only to combat cancerous lesions but also to treat infectious diseases such as fungal infections. However, there are few studies on the antimicrobial mechanism of 5-aminolevulinic acid PDT (ALA-PDT) in treating Trichosporon. In this work, we explored the possibility of combining ALA-PDT with an antifungal agent to enhance the therapeutic efficacy of Trichosporon asahii (T. asahii) in a clinical setting and in vitro. STUDY DESIGN/MATERIALS AND METHODS The biofilms of T. asahii were constructed by a 96-well plate-based method in vitro. The planktonic and adherent T. asahii were exposed to different concentrations of photosensitizers and different light doses. After PDT treatment, counting colony-forming units and tetrazolium (XTT) reduction assay were used to estimate the antifungal efficacy. The minimal inhibitory concentration of itraconazole before and after PDT treatment was determined by the broth dilution method, and XTT viability assay was used to detect and evaluate the synergistic potential of ALA-PDT and itraconazole combinations in inhibiting biofilms. Scanning electron microscopy (SEM) was performed to assess the disruption of biofilms. RESULTS Using combination therapy, we have successfully treated a patient who had a T. asahii skin infection. Further in vitro studies showed that the antifungal effect of ALA-PDT on planktonic and adherent T. asahii was dependent on the concentration of ALA and light dosages used. We also found that the sensitivity of both planktonic and biofilm cells to itraconazole were increased after ALA-PDT. Synergistic effect were observed for biofilms in ALA-PDT and itraconazole-combined treatment. The disruption of biofilms was confirmed by SEM, suggesting that ALA-PDT effectively damaged the biofilms and the destruction was further enhanced by ALA-PDT combination of antifungal agents. CONCLUSIONS In conclusion, these data suggest that ALA-PDT could be an alternative strategy for controlling infections caused by Trichosporon. The combination therapy of ALA-PDT with itraconazole could result in increased elimination of planktonic cells and biofilms compared with single therapy. All these findings indicate that it could be a promising treatment against trichosporonosis. Lasers Surg. Med. © 2020 Wiley Periodicals LLC.
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Affiliation(s)
- Yu Lan
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 107 West Yanjiang Road, Guangzhou, 510120, China.,Department of Dermatology, The Eighth Affiliated Hospital, Sun Yat-sen University, 3025 Shennan Road Central, Shenzhen, 518033, China
| | - Sha Lu
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 107 West Yanjiang Road, Guangzhou, 510120, China
| | - Bowen Zheng
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 107 West Yanjiang Road, Guangzhou, 510120, China.,Department of Plastic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou, 510515, China
| | - Zengqi Tang
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 107 West Yanjiang Road, Guangzhou, 510120, China
| | - Jiahao Li
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 107 West Yanjiang Road, Guangzhou, 510120, China
| | - Junmin Zhang
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 107 West Yanjiang Road, Guangzhou, 510120, China
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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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Li C, Jia X, Bian Y, Qi D, Wu J. Different susceptibility of spores and hyphae of Trichophyton rubrum to methylene blue mediated photodynamic treatment in vitro. Mycoses 2020; 64:48-54. [PMID: 32918325 DOI: 10.1111/myc.13182] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 09/04/2020] [Accepted: 09/06/2020] [Indexed: 01/08/2023]
Abstract
BACKGROUND In recent years, methylene blue mediated-photodynamic therapy (MB-PDT) has proved to be an effective inhibitor to a variety of microorganisms, including Trichophyton rubrum, the most common dermatophyte worldwide. However, previous studies mainly focused on the spore form of T rubrum, but rarely on its hyphal form, although the latter is the main pathogenic form of T rubrum in vivo. OBJECTIVE To investigate the inhibitory effect of MB-PDT on T rubrum in different growth phases in vitro. METHODS The suspensions of spores and hyphae obtained from T rubrum (ATCC28188) were prepared, respectively, incubated with MB solution (0.15-40 μg/mL) and irradiated with 635 nm red light. Varied light energy and MB concentration were used. The specimen in the absence of light exposure or/and MB served as controls. MIC determination, colony counts and MTT assay were employed to evaluate the antifungal effect of MB-PDT. RESULTS The MICs of MB-PDT for hyphae and spores of T. rubrum were 6.300 ± 1.072 μg/mL and 1.984 ± 1.072 μg/mL, respectively, at a fixed light dose of 60 J/cm2 . CFU counts gave the minimum critical combinations of MB concentration and light dose to achieve 100% inhibitory rate. For hyphae, they were 5 μg/mL + 100 J/cm2 or 10 μg/mL + 60 J/cm2 . For spores, they were 1.25 μg/mL + 40 J/cm2 or 5 μg/mL + 20 J/cm2 . The outcomes of MTT assay were consistent with those of CFU counts, but less accurate. CONCLUSION MB-PDT is a potent inhibitor to both spores and hyphae of T. rubrum in vitro, and the spores are more sensitive to it. Its antifungal efficacy is positively correlated with the concentration of MB and light dose.
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Affiliation(s)
- Chanchan Li
- Department of Dermatology, Zhongnan Hospital of Wuhan University, wuhan, China
| | - Xinrui Jia
- Department of Dermatology, Zhongnan Hospital of Wuhan University, wuhan, China
| | - Yawen Bian
- Department of Dermatology, Zhongnan Hospital of Wuhan University, wuhan, China
| | - Di Qi
- Department of Dermatology, Zhongnan Hospital of Wuhan University, wuhan, China
| | - Jianbo Wu
- Department of Dermatology, Zhongnan Hospital of Wuhan University, wuhan, China
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Chen R, Song Y, Zhen Y, Yao L, Shi Y, Cui Y, Li S. 5-Aminolevulinic acid-mediated photodynamic therapy has effective antifungal activity against Sporothrix globosa in vitro. Mycoses 2020; 63:1311-1320. [PMID: 32816371 DOI: 10.1111/myc.13171] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 08/15/2020] [Accepted: 08/16/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND An alternative therapy for sporotrichosis is necessary to reduce the treatment time and raise clinical efficacy. The 5-Aminolevulinic acid-mediated photodynamic therapy (ALA-PDT) is a promising platform with which to treat mycoses. However, despite the worldwide prevalence of Sporothrix globosa, a causative agent of sporotrichosis, the effect of ALA-PDT on this pathogen has not been validated. OBJECTIVES The aim of this study was to evaluate the effect of ALA-PDT on S globosa and the protection of melanin through an in vitro study. The mechanisms involved were also investigated. METHODS To estimate the survival rate of S globosa treated with ALA-PDT and the protection offered by melanin, the conidia and yeast cells of wild-type S globosa (Mel+), other clinical strains, tricyclazole-treated Mel+ and an albino mutant strain (Mel-) were incubated with and without ALA or irradiation. Reactive oxygen species generation by Mel+ conidia induced by ALA-PDT was assayed. SEM and TEM were conducted to obverse ultrastructural changes in the conidia. A comet assay was performed to evaluate DNA damage. RESULTS The survival rate of S globosa conidia and yeast cells significantly decreased following incubation with 1.19M ALA and 162 J/cm2 irradiation in vitro. Melanin was not only capable of protecting the conidia against ALA-PDT, but also against ALA or irradiation alone. After induction by ALA-PDT, alterations in reactive oxygen species generation, DNA damage and ultrastructural changes were observed. CONCLUSIONS ALA-PDT inhibits the survival of S globosa conidia in vitro and therefore has potential for the treatment of sporotrichosis.
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Affiliation(s)
- Ruili Chen
- Department of Dermatology and Venereology, The First Hospital of Jilin University, Changchun, China
| | - Yang Song
- Department of Dermatology and Venereology, The First Hospital of Jilin University, Changchun, China
| | - Yu Zhen
- Department of Dermatology and Venereology, The First Hospital of Jilin University, Changchun, China
| | - Lei Yao
- Department of Dermatology and Venereology, The First Hospital of Jilin University, Changchun, China
| | - Ying Shi
- Department of Dermatology and Venereology, The First Hospital of Jilin University, Changchun, China
| | - Yan Cui
- Department of Dermatology and Venereology, The First Hospital of Jilin University, Changchun, China
| | - Shanshan Li
- Department of Dermatology and Venereology, The First Hospital of Jilin University, Changchun, China
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Wang Y, Song J, Zhang F, Zeng K, Zhu X. Antifungal Photodynamic Activity of Hexyl-Aminolevulinate Ethosomes Against Candida albicans Biofilm. Front Microbiol 2020; 11:2052. [PMID: 33042036 PMCID: PMC7518189 DOI: 10.3389/fmicb.2020.02052] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 08/05/2020] [Indexed: 02/04/2023] Open
Abstract
Biofilm formation is responsible for the development of chronic and recurrent Candida albicans infections. The generation of biofilms is commonly accompanied by high resistance to conventional antifungal drugs, which can increase up to 1,000-fold. Fortunately, antimicrobial photodynamic therapy (aPDT) has shown excellent potential to treat biofilm infections. However, the current most commonly used photosensitizer (PS), aminolevulinic acid (ALA), is hydrophilic, unstable, and has low permeability, leading to unsatisfactory effects on biofilm eradication. To solve these problems, more stable lipophilic PSs and more effective permeability carriers could be considered as two effective solutions. Hexyl-aminolevulinate (HAL) has good bioavailability as a PS, and we proved in a previous study that ethosomes (ES), lipid-based nanocarriers, promote percutaneous drug penetration. In our previous study, a HAL-ES system presented superior photodynamic effects compared to those of ALA or HAL alone. Therefore, here, we aim to evaluate the biological effects of HAL-ES-mediated aPDT on C. albicans biofilm. An XTT sodium salt assay showed that aPDT using 0.5% HAL decreased C. albicans biofilm activity by 69.71 ± 0.43%. Moreover, aPDT with 0.5% HAL-ES further decreased biofilm activity by 92.95 ± 0.16% and inhibited growth of 25.71 ± 1.61% within 48 h, mostly via its effect on the hyphae growth, which correlated with a three-fold increase in C. albicans plasma membrane permeabilization. Notably, HAL-ES-mediated aPDT significantly reduced the sessile minimum inhibitory concentration 50 (SMIC50) of fluconazole to <2.0 μg/ml, and the 21-day survival rate of C. albicans biofilm-infected mice increased from 6.7 to 73.3%. It also significantly reduced the drug resistance and in vivo pathogenicity of C. albicans biofilm. These results demonstrate that HAL-ES-mediated aPDT could be an effective therapy for C. albicans biofilm infections; while also serving as a particularly promising effective treatment for cutaneous or mucocutaneous candidiasis and the prevention of progression to systemic candidiasis.
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Affiliation(s)
- Yingzhe Wang
- Department of Dermatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jinru Song
- Department of Dermatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Feiyin Zhang
- Department of Dermatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Kang Zeng
- Department of Dermatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaoliang Zhu
- Department of Dermatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
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Methylene blue mediated antimicrobial photodynamic therapy in clinical human studies: The state of the art. Photodiagnosis Photodyn Ther 2020; 31:101828. [DOI: 10.1016/j.pdpdt.2020.101828] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 04/17/2020] [Accepted: 05/15/2020] [Indexed: 11/23/2022]
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Photocytotoxicity of liposomal zinc phthalocyanine in oral squamous cell carcinoma and pharyngeal carcinoma cells. Ther Deliv 2020; 11:547-556. [DOI: 10.4155/tde-2020-0077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Aim: Photodynamic therapy utilizes a light-sensitive molecule that produces reactive oxygen species following irradiation. Photodynamic activities of free Zn phthalocyanine (ZnPc) and its liposomal formulations on human oral squamous cell carcinoma and pharyngeal carcinoma cells were assessed. Materials & methods: ZnPc was incorporated in extruded and nonextruded liposomes composed of palmitoyloleoylphosphatidylglycerol (POPG):palmitoyloleoylphosphatidylcholine (POPC) or POPG:dioleoylphosphatidylethanolamine liposomes and incubated with CAL 27 or FaDu cells. Cell viability was assessed following illumination and further incubation. Results: ZnPc incorporated in extruded POPG:POPC liposomes caused extensive cytotoxicity, while ZnPc in extruded or nonextruded POPG:dioleoylphosphatidylethanolamine liposomes or in multilamellar POPG:POPC liposomes were not effective. Conclusion: Extruded POPG:POPC liposomes are a useful delivery vehicle for ZnPc in photodynamic therapy of oral and pharyngeal cancers.
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Linares IA, Velásquez AM, Graminha MA, de Oliveira KT, Perussi JR. Antileishmanial activity of amphiphilic chlorin derivatives mediated by photodynamic therapy. Photodiagnosis Photodyn Ther 2020; 31:101769. [DOI: 10.1016/j.pdpdt.2020.101769] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 03/31/2020] [Accepted: 04/02/2020] [Indexed: 02/07/2023]
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Deda DK, Iglesias BA, Alves E, Araki K, Garcia CRS. Porphyrin Derivative Nanoformulations for Therapy and Antiparasitic Agents. Molecules 2020; 25:molecules25092080. [PMID: 32365664 PMCID: PMC7249045 DOI: 10.3390/molecules25092080] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/21/2020] [Accepted: 04/22/2020] [Indexed: 12/12/2022] Open
Abstract
Porphyrins and analogous macrocycles exhibit interesting photochemical, catalytic, and luminescence properties demonstrating high potential in the treatment of several diseases. Among them can be highlighted the possibility of application in photodynamic therapy and antimicrobial/antiparasitic PDT, for example, of malaria parasite. However, the low efficiency generally associated with their low solubility in water and bioavailability have precluded biomedical applications. Nanotechnology can provide efficient strategies to enhance bioavailability and incorporate targeted delivery properties to conventional pharmaceuticals, enhancing the effectiveness and reducing the toxicity, thus improving the adhesion to the treatment. In this way, those limitations can be overcome by using two main strategies: (1) Incorporation of hydrophilic substituents into the macrocycle ring while controlling the interaction with biological systems and (2) by including them in nanocarriers and delivery nanosystems. This review will focus on antiparasitic drugs based on porphyrin derivatives developed according to these two strategies, considering their vast and increasing applications befitting the multiple roles of these compounds in nature.
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Affiliation(s)
- Daiana K. Deda
- Department of Fundamental Chemistry, Institute of Chemistry, University of Sao Paulo, Av. Prof. Lineu Prestes 748, Butanta, Sao Paulo, SP 05508-000, Brazil; (D.K.D.); (K.A.)
| | - Bernardo A. Iglesias
- Bioinorganic and Porphyrinoid Materials Laboratory, Department of Chemistry, Federal University of Santa Maria, Av. Roraima 1000, Camobi, Santa Maria, RS 97105-900, Brazil;
| | - Eduardo Alves
- Department of Life Science, Imperial College London, Sir Alexander Fleming Building, South Kensington, London SW7 2AZ, UK;
| | - Koiti Araki
- Department of Fundamental Chemistry, Institute of Chemistry, University of Sao Paulo, Av. Prof. Lineu Prestes 748, Butanta, Sao Paulo, SP 05508-000, Brazil; (D.K.D.); (K.A.)
| | - Celia R. S. Garcia
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes, 580, Sao Paulo, SP 05508-900, Brazil
- Correspondence: ; Tel.: +55-11-2648-0954
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Bruschi ML, da Silva JB, Rosseto HC. Photodynamic Therapy of Psoriasis Using Photosensitizers of Vegetable Origin. Curr Pharm Des 2020; 25:2279-2291. [PMID: 31258060 DOI: 10.2174/1381612825666190618122024] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 06/10/2019] [Indexed: 12/16/2022]
Abstract
Psoriasis is an immune-mediated, chronic and recurrent inflammatory skin disease, prevalent worldwide, and represents an important burden in life quality of patients. The most common clinical variant is termed as psoriasis vulgaris or plaque psoriasis, which with an individualized and carefully monitored therapy can decrease the patients' morbidity and improving their life quality. The aim is to achieve disease control, minimize the adverse drug effects, and tailor the treatment to individual patient factors. Photodynamic therapy (PDT) is based on local or systemic administration of a non-toxic photosensitizer followed by irradiation with a particular wavelength to generate reactive oxygen species (ROS), mainly highly cytotoxic singlet oxygen (1O2). The generation of these species results in the attack to substrates involved in biological cycles causing necrosis and apoptosis of affected tissues. Photosensitizers are found in natural products and also obtained by partial syntheses from abundant natural starting compounds. They can be isolated at low cost and in large amounts from plants or algae. Therefore, this manuscript reviews the use of molecules from vegetal sources as photosensitizer agents for the PDT of psoriasis. Psoriasis pathogenesis, management and treatment were reviewed. PDT principles, fundamentals and utilization for the treatment of psoriasis were also discussed. Photosensitizers for PDT of psoriasis are also reviewed focusing on those from vegetal sources. Despite the PDT is utilized for the treatment of psoriasis, very little amount of photosensitizers from plant sources are utilized, such as chlorophyll derivatives and hypericin; however, other natural photosensitizers such as curcumin, could also be investigated. They could constitute a very important, safe and cheap alternative for the successful photodynamic treatment of psoriasis.
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Affiliation(s)
- Marcos L Bruschi
- Laboratory of Research and Development of Drug Delivery Systems, Postgraduate Program in Pharmaceutical Sciences, Department of Pharmacy, State University of Maringa, Maringa, PR, Brazil
| | - Jéssica Bassi da Silva
- Laboratory of Research and Development of Drug Delivery Systems, Postgraduate Program in Pharmaceutical Sciences, Department of Pharmacy, State University of Maringa, Maringa, PR, Brazil
| | - Hélen C Rosseto
- Laboratory of Research and Development of Drug Delivery Systems, Postgraduate Program in Pharmaceutical Sciences, Department of Pharmacy, State University of Maringa, Maringa, PR, Brazil
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Anane YA, Apalata T, Vasaikar S, Okuthe GE, Songca SP. In vitro antimicrobial photodynamic inactivation of multidrug-resistant Acinetobacter baumannii biofilm using Protoporphyrin IX and Methylene blue. Photodiagnosis Photodyn Ther 2020; 30:101752. [PMID: 32289462 DOI: 10.1016/j.pdpdt.2020.101752] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/19/2020] [Accepted: 03/27/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Acinetobacter baumannii is a challenging pathogen due to the rapid development of antimicrobial resistance and biofilm formation. The objective of this study was to evaluate the effect of antimicrobial photodynamic inactivation against biofilms of multidrug-resistant A. baumannii isolated from clinical, abattoir and aquatic sources. METHODS The isolates were tested for susceptibility to imipenem, meropenem, tigecycline and colistin using autoSCAN-4 automated system and rechecked by the E-test. Methylene blue, Protoporphyrin IX, and a halogen lamp were used in the in vitro assay against biofilms of the isolates. The antimicrobial photodynamic inactivation was assessed by counting colony-forming units (CFU). RESULTS The isolates from abattoir and aquatic sources were resistant to carbapenems (>64 μg/mL) but susceptible to tigecycline (2 μg/mL) and colistin (Abattoir, 0.35 μg/mL and Aquatic, 0.24 μg/mL), whereas the clinical isolate was susceptible to only colistin (0.5 μg/mL) using the E-test. The log survival percentages of the control group at a concentration of 20 μM were 5 × 10-6 % for Protoporphyrin IX and 2 × 10-6 % for Methylene blue. Therefore, Methylene blue showed higher bacterial reduction of 7.0 log10 colony forming units than 6.0 log10 for Protoporphyrin IX. No significant difference was observed with respect to the origin of isolates and the minimum inhibitory concentrations. CONCLUSION The results indicate that antimicrobial photodynamic inactivation could be an alternative strategy for the control of infections caused by multi-drug resistant A. baumannii by significantly reducing biofilm growth at a sub-lethal concentrations.
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Affiliation(s)
- Yaw Adjei Anane
- Division of Medical Microbiology, Department of Laboratory Medicine and Pathology, Faculty of Health Sciences, Walter Sisulu University, Private Bag: X1, Mthatha, 5117 Eastern Cape Province, South Africa.
| | - Teke Apalata
- Division of Medical Microbiology, Department of Laboratory Medicine and Pathology, Faculty of Health Sciences, Walter Sisulu University, Private Bag: X1, Mthatha, 5117 Eastern Cape Province, South Africa; Division of Medical Microbiology, National Health Laboratory Services (NHLS), Nelson Mandela Central Hospital, Mthatha 5100, South Africa.
| | - Sandeep Vasaikar
- Division of Medical Microbiology, Department of Laboratory Medicine and Pathology, Faculty of Health Sciences, Walter Sisulu University, Private Bag: X1, Mthatha, 5117 Eastern Cape Province, South Africa; Division of Medical Microbiology, National Health Laboratory Services (NHLS), Nelson Mandela Central Hospital, Mthatha 5100, South Africa
| | - Grace Emily Okuthe
- Department of Biological & Environmental Sciences, Walter Sisulu University, Private Bag: X1, Mthatha, 5117 Eastern Cape Province, South Africa.
| | - Sandile Phinda Songca
- School of Chemistry and Physics, College of Agriculture Engineering and Science, University of KwaZulu-Natal, 2nd Floor, Francis Stock Building, Howard College Campus, UKZN, Durban, 4041, South Africa.
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'Acridines' as New Horizons in Antifungal Treatment. Molecules 2020; 25:molecules25071480. [PMID: 32218216 PMCID: PMC7180854 DOI: 10.3390/molecules25071480] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 03/20/2020] [Accepted: 03/23/2020] [Indexed: 12/11/2022] Open
Abstract
Frequent fungal infections in immunocompromised patients and mortality due to invasive mycosis are important clinical problems. Opportunistic pathogenic Candida species remain one of the leading causes of systemic mycosis worldwide. The repertoire of antifungal chemotherapeutic agents is very limited. Although new antifungal drugs such as lanosterol 14α-demethylase and β-glucan synthase inhibitors have been introduced into clinical practice, the development of multidrug resistance has become increasingly significant. The urgency to expand the range of therapeutic options for the treatment of fungal infections has led researchers in recent decades to seek alternative antifungal targets to the conventional ones currently used. Among them, many compounds containing an acridine scaffold have been synthesized and tested. In this review, the applicability of acridines and their functional analogues acridones as antifungal agents is described. Acridine derivatives usage in photoantifungal chemotherapy, interactions with fungal transporters resulting in modulation of efflux/influx pumps and the effect of acridine derivatives on fungal topoisomerases are discussed. This article explores new perspectives on the mechanisms of antifungal acridine-peptide conjugates and acridine-based hybrid molecules to effectively combat fungal infections.
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Alberdi E, Gómez C. Successful treatment of Pityriasis Versicolor by photodynamic therapy mediated by methylene blue. PHOTODERMATOLOGY PHOTOIMMUNOLOGY & PHOTOMEDICINE 2020; 36:308-312. [PMID: 32191815 DOI: 10.1111/phpp.12555] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 02/26/2020] [Accepted: 03/13/2020] [Indexed: 01/10/2023]
Abstract
BACKGROUND Although systemic therapies are recommended for severe or recalcitrant cases of pityriasis versicolor (PV), they are not free of important side effects and drug interactions. Photodynamic therapy (PDT) utilizes the action of singlet oxygen and free radicals produced by a light-activated photosensitizer to kill viruses, bacteria, or fungi. In this study, the effect of a PDT mediated by methylene blue (MB) in PV was evaluated. METHODS Five women with PV disseminated on the back and diagnosed by fresh microscopic analysis were treated with a solution of MB (2%) applied to the PV lesions for 3 minutes. Next, a red LED lamp (λ = 630±5 nm, 37 J/cm2 ), placed 100 mm from the skin for 10 minutes, was applied on the dyed PV lesions. Six sessions of MB/PDT were implemented with a 2-week interval in between. Wood's lamp examination was used to monitor fungal infection at each time point. RESULTS Complete cure was observed in the five women at the 4 weeks post-treatment follow-up. Fluoresce images from PV lesions by Wood's lamp allowed to evaluate whether the lesions were healed or not at each time point. No patient showed relapse at the 6-month follow-up. The patients did not have any adverse effect, and good cosmetic outcome was observed. CONCLUSIONS Six sessions of MB/PDT spaced at 14-day intervals are sufficient for the treatment for PV in healthy patients.
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Affiliation(s)
| | - Clara Gómez
- Institute of Physical Chemistry Rocasolano, CSIC, Madrid, Spain
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Ozturk I, Tunçel A, Yurt F, Biyiklioglu Z, Ince M, Ocakoglu K. Antifungal photodynamic activities of phthalocyanine derivatives on Candida albicans. Photodiagnosis Photodyn Ther 2020; 30:101715. [PMID: 32165338 DOI: 10.1016/j.pdpdt.2020.101715] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 02/20/2020] [Accepted: 03/06/2020] [Indexed: 02/08/2023]
Abstract
Antimicrobial resistance is one of the most important causes of morbidity and mortality in the treatment of infectious diseases worldwide. Candida albicans is one of the most virulent and common species of fungi to cause invasive fungal infections on humans. Alternative treatment strategies, including photodynamic therapy, are needed for controlling these infectious diseases. The aim of this study was to investigate the antifungal photodynamic activities of phthalocyanine derivatives on C. albicans. The minimum inhibitory concentration (MIC) values of compounds were determined by the broth microdilution method. Uptake of the compounds in C. albicans and dark toxicity of the compounds were also investigated. Photodynamic inhibition of growth experiments was performed by measuring the colony-forming unit/mL (CFU/mL) of the strain. Maximum uptake into the cells was observed in the presence of 64 μg/mL concentration for each compound except for ZnPc. Compounds did not show dark toxicity/inhibitory effects at sub-MIC concentrations on C. albicans when compared to the negative control groups. Zn(II)Pc, ZnPc, and ZnPc-TiO2 showed fungicidal effect after irradiation with the light dose of 90 J/cm2 in the presence of the compounds. In addition to the fungicidal effects, SubPc, SubPc-TiO2, Es-SiPc, and Es-SubPc compounds were also found to have inhibitory effects on the growth of yeast cells after irradiation.
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Affiliation(s)
- Ismail Ozturk
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Izmir Katip Celebi University, Izmir, 35620, Turkey.
| | - Ayça Tunçel
- Institute of Nuclear Science, Department of Nuclear Applications, Ege University, Izmir, 35100, Turkey
| | - Fatma Yurt
- Institute of Nuclear Science, Department of Nuclear Applications, Ege University, Izmir, 35100, Turkey.
| | - Zekeriya Biyiklioglu
- Department of Chemistry, Faculty of Science, Karadeniz Technical University, Trabzon, 61080, Turkey
| | - Mine Ince
- Department of Energy Systems Engineering, Faculty of Technology, Tarsus University, Mersin, 33400, Turkey
| | - Kasim Ocakoglu
- Department of Energy Systems Engineering, Faculty of Technology, Tarsus University, Mersin, 33400, Turkey
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Alves da Collina G, Freire F, da Silva Barbosa V, Bento Correa C, Reis Nascimento H, Ratto Tempestini Horliana AC, Teixeira da Silva DDF, Araujo Prates R, Pavani C. Photodynamic antimicrobial chemotherapy action of phenothiazinium dyes in planktonic Candida albicans is increased in sodium dodecyl sulfate. Photodiagnosis Photodyn Ther 2020; 29:101612. [DOI: 10.1016/j.pdpdt.2019.101612] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 11/19/2019] [Accepted: 12/02/2019] [Indexed: 12/18/2022]
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