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Chen X, Li M, Li W, Zheng W, Wu W. Photodynamic therapy successfully treats refractory onychomycosis caused by Trichosporon asahii: a case report. Photodiagnosis Photodyn Ther 2024; 46:104045. [PMID: 38479606 DOI: 10.1016/j.pdpdt.2024.104045] [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: 02/06/2024] [Revised: 02/28/2024] [Accepted: 03/08/2024] [Indexed: 04/04/2024]
Abstract
Onychomycosis, a fungal infection affecting the nail, is characterized by discoloration and thickening of the nail plate and is the most prevalent nail infection globally. We present a case of onychomycosis caused by Trichosporon asahii, a less common etiology. Notably, the patient was successfully treated with a non-traditional antibacterial approach, photodynamic therapy, which has been infrequently documented in the literature for such infections.
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Affiliation(s)
- Xiaoli Chen
- Department of Plastic and Dermatological Surgery, The Fifth People's Hospital of Hainan Province, Haikou, Hainan, PR China
| | - Min Li
- Clinical School of Medicine, Jiangxi University of Chinese Medicine, Nan Chang, PR China
| | - Wen Li
- Department of Plastic and Dermatological Surgery, The Fifth People's Hospital of Hainan Province, Haikou, Hainan, PR China
| | - Wenai Zheng
- Department of Plastic and Dermatological Surgery, The Fifth People's Hospital of Hainan Province, Haikou, Hainan, PR China.
| | - Weiwei Wu
- Department of Plastic and Dermatological Surgery, The Fifth People's Hospital of Hainan Province, Haikou, Hainan, PR China.
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Zdubek A, Maliszewska I. On the Possibility of Using 5-Aminolevulinic Acid in the Light-Induced Destruction of Microorganisms. Int J Mol Sci 2024; 25:3590. [PMID: 38612403 PMCID: PMC11011456 DOI: 10.3390/ijms25073590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/15/2024] [Accepted: 03/19/2024] [Indexed: 04/14/2024] Open
Abstract
Antimicrobial photodynamic inactivation (aPDI) is a method that specifically kills target cells by combining a photosensitizer and irradiation with light at the appropriate wavelength. The natural amino acid, 5-aminolevulinic acid (5-ALA), is the precursor of endogenous porphyrins in the heme biosynthesis pathway. This review summarizes the recent progress in understanding the biosynthetic pathways and regulatory mechanisms of 5-ALA synthesis in biological hosts. The effectiveness of 5-ALA-aPDI in destroying various groups of pathogens (viruses, fungi, yeasts, parasites) was presented, but greater attention was focused on the antibacterial activity of this technique. Finally, the clinical applications of 5-ALA in therapies using 5-ALA and visible light (treatment of ulcers and disinfection of dental canals) were described.
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Affiliation(s)
| | - Irena Maliszewska
- Department of Organic and Medicinal Chemistry, Faculty of Chemistry, Wrocław University of Science and Technology, 50-370 Wrocław, Poland;
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Yang X, Bai S, Wu J, Fan Y, Zou Y, Xia Z, Ao J, Chen T, Zhang M, Yang R. Antifungal Activity and Potential Action Mechanism of Allicin against Trichosporon asahii. Microbiol Spectr 2023; 11:e0090723. [PMID: 37199655 PMCID: PMC10269704 DOI: 10.1128/spectrum.00907-23] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 04/26/2023] [Indexed: 05/19/2023] Open
Abstract
Trichosporon asahii is an emerging opportunistic pathogen that causes potentially fatal disseminated trichosporonosis. The global prevalence of coronavirus disease 2019 (COVID-19) poses an increasing fungal infection burden caused by T. asahii. Allicin is the main biologically active component with broad-spectrum antimicrobial activity in garlic. In this study, we performed an in-depth analysis of the antifungal characteristics of allicin against T. asahii based on physiological, cytological, and transcriptomic assessments. In vitro, allicin inhibited the growth of T. asahii planktonic cells and biofilm cells significantly. In vivo, allicin improved the mean survival time of mice with systemic trichosporonosis and reduced tissue fungal burden. Electron microscopy observations clearly demonstrated damage to T. asahii cell morphology and ultrastructure caused by allicin. Furthermore, allicin increased intracellular reactive oxygen species (ROS) accumulation, leading to oxidative stress damage in T. asahii cells. Transcriptome analysis showed that allicin treatment disturbed the biosynthesis of cell membrane and cell wall, glucose catabolism, and oxidative stress. The overexpression of multiple antioxidant enzymes and transporters may also place an additional burden on cells, causing them to collapse. Our findings shed new light on the potential of allicin as an alternative treatment strategy for trichosporonosis. IMPORTANCE Systemic infection caused by T. asahii has recently been recognized as an important cause of mortality in hospitalized COVID-19 patients. Invasive trichosporonosis remains a significant challenge for clinicians, due to the limited therapeutic options. The present work suggests that allicin holds great potential as a therapeutic candidate for T. asahii infection. Allicin demonstrated potent in vitro antifungal activity and potential in vivo protective effects. In addition, transcriptome sequencing provided valuable insights into the antifungal effects of allicin.
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Affiliation(s)
- Xin Yang
- Department of Dermatology, Yanbian University Hospital, Yanji, China
| | - Shuang Bai
- Department of Dermatology, The Seventh Medical Center of PLA General Hospital, Beijing, China
| | - Jiamin Wu
- Department of Dermatology, The Seventh Medical Center of PLA General Hospital, Beijing, China
| | - Yunlong Fan
- Department of Dermatology, The Seventh Medical Center of PLA General Hospital, Beijing, China
| | - Yuekun Zou
- Department of Dermatology, The Seventh Medical Center of PLA General Hospital, Beijing, China
| | - Zhikuan Xia
- Department of Dermatology, The Seventh Medical Center of PLA General Hospital, Beijing, China
| | - Junhong Ao
- Department of Dermatology, The Seventh Medical Center of PLA General Hospital, Beijing, China
| | - Tong Chen
- Department of Dermatology, The Seventh Medical Center of PLA General Hospital, Beijing, China
| | - Mingwang Zhang
- Department of Dermatology, The Seventh Medical Center of PLA General Hospital, Beijing, China
- Department of Dermatology, Southwest Hospital, Army Medical University, Chongqing, China
| | - Rongya Yang
- Department of Dermatology, Yanbian University Hospital, Yanji, China
- Department of Dermatology, The Seventh Medical Center of PLA General Hospital, Beijing, China
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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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Feng Y, Coradi Tonon C, Ashraf S, Hasan T. Photodynamic and antibiotic therapy in combination against bacterial infections: efficacy, determinants, mechanisms, and future perspectives. Adv Drug Deliv Rev 2021; 177:113941. [PMID: 34419503 DOI: 10.1016/j.addr.2021.113941] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 07/23/2021] [Accepted: 08/17/2021] [Indexed: 12/12/2022]
Abstract
Antibiotic treatment, the mainstay for the control of bacterial infections, is greatly hampered by the global prevalence of multidrug-resistant (MDR) bacteria. Photodynamic therapy (PDT) is effective against MDR infections, but PDT-induced bacterial inactivation is often incomplete, causing the relapse of infections. Combination of PDT and antibiotics is a promising strategy to overcome the limitation of both antibiotic treatment and PDT, exerting increased disinfection efficacy on MDR bacterial pathogens versus either of the monotherapies alone. In this review, we present an overview of the therapeutic effects of PDT/antibiotic combinations that have been developed. We further summarize the influencing factors and the governing molecular mechanisms of the therapeutic outcomes of PDT/antibiotic combinations. In the end, we provide concluding remarks on the strengths, limitations, and future research directions of PDT/antibiotic combination therapy to guide its appropriate usage and further development.
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Affiliation(s)
- Yanfang Feng
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
| | - Caroline Coradi Tonon
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
| | - Shoaib Ashraf
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
| | - Tayyaba Hasan
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA; Health Sciences and Technology (Harvard-MIT), Cambridge, MA, USA.
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Polat E, Kang K. Natural Photosensitizers in Antimicrobial Photodynamic Therapy. Biomedicines 2021; 9:584. [PMID: 34063973 PMCID: PMC8224061 DOI: 10.3390/biomedicines9060584] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/17/2021] [Accepted: 05/18/2021] [Indexed: 12/19/2022] Open
Abstract
Health problems and reduced treatment effectiveness due to antimicrobial resistance have become important global problems and are important factors that negatively affect life expectancy. Antimicrobial photodynamic therapy (APDT) is constantly evolving and can minimize this antimicrobial resistance problem. Reactive oxygen species produced when nontoxic photosensitizers are exposed to light are the main functional components of APDT responsible for microbial destruction; therefore, APDT has a broad spectrum of target pathogens, such as bacteria, fungi, and viruses. Various photosensitizers, including natural extracts, compounds, and their synthetic derivatives, are being investigated. The main limitations, such as weak antimicrobial activity against Gram-negative bacteria, solubility, specificity, and cost, encourage the exploration of new photosensitizer candidates. Many additional methods, such as cell surface engineering, cotreatment with membrane-damaging agents, nanotechnology, computational simulation, and sonodynamic therapy, are also being investigated to develop novel APDT methods with improved properties. In this review, we summarize APDT research, focusing on natural photosensitizers used in in vitro and in vivo experimental models. In addition, we describe the limitations observed for natural photosensitizers and the methods developed to counter those limitations with emerging technologies.
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Affiliation(s)
- Ece Polat
- Natural Product Informatics Research Center, Korea Institute of Science and Technology, Gangneung 25451, Gangwon-do, Korea;
| | - Kyungsu Kang
- Natural Product Informatics Research Center, Korea Institute of Science and Technology, Gangneung 25451, Gangwon-do, Korea;
- Division of Bio-Medical Science Technology, KIST School, University of Science and Technology (UST), Gangneung 25451, Gangwon-do, Korea
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