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Zhang Z, Wang R, Xue H, Knoedler S, Geng Y, Liao Y, Alfertshofer M, Panayi AC, Ming J, Mi B, Liu G. Phototherapy techniques for the management of musculoskeletal disorders: strategies and recent advances. Biomater Res 2023; 27:123. [PMID: 38017585 PMCID: PMC10685661 DOI: 10.1186/s40824-023-00458-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 10/28/2023] [Indexed: 11/30/2023] Open
Abstract
Musculoskeletal disorders (MSDs), which include a range of pathologies affecting bones, cartilage, muscles, tendons, and ligaments, account for a significant portion of the global burden of disease. While pharmaceutical and surgical interventions represent conventional approaches for treating MSDs, their efficacy is constrained and frequently accompanied by adverse reactions. Considering the rising incidence of MSDs, there is an urgent demand for effective treatment modalities to alter the current landscape. Phototherapy, as a controllable and non-invasive technique, has been shown to directly regulate bone, cartilage, and muscle regeneration by modulating cellular behavior. Moreover, phototherapy presents controlled ablation of tumor cells, bacteria, and aberrantly activated inflammatory cells, demonstrating therapeutic potential in conditions such as bone tumors, bone infection, and arthritis. By constructing light-responsive nanosystems, controlled drug delivery can be achieved to enable precise treatment of MSDs. Notably, various phototherapy nanoplatforms with integrated imaging capabilities have been utilized for early diagnosis, guided therapy, and prognostic assessment of MSDs, further improving the management of these disorders. This review provides a comprehensive overview of the strategies and recent advances in the application of phototherapy for the treatment of MSDs, discusses the challenges and prospects of phototherapy, and aims to promote further research and application of phototherapy techniques.
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Affiliation(s)
- Zhenhe Zhang
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Rong Wang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
| | - Hang Xue
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Samuel Knoedler
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02152, USA
- Institute of Regenerative Biology and Medicine, Helmholtz Zentrum München, Max-Lebsche-Platz 31, 81377, Munich, Germany
| | - Yongtao Geng
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Yuheng Liao
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Michael Alfertshofer
- Division of Hand, Plastic and Aesthetic Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Adriana C Panayi
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02152, USA
- Department of Hand, Plastic and Reconstructive Surgery, Microsurgery, Burn Center, BG Trauma Center Ludwigshafen, University of Heidelberg, Ludwig-Guttmann-Strasse 13, 67071, Ludwigshafen, Rhine, Germany
| | - Jie Ming
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China.
| | - Bobin Mi
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China.
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China.
| | - Guohui Liu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China.
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China.
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Yin X, Fang Z, Fang Y, Zhu L, Pang J, Liu T, Zhao Z, Zhao J. Antimicrobial Photodynamic Therapy Involving a Novel Photosensitizer Combined With an Antibiotic in the Treatment of Rabbit Tibial Osteomyelitis Caused by Drug-Resistant Bacteria. Front Microbiol 2022; 13:876166. [PMID: 35531297 PMCID: PMC9073078 DOI: 10.3389/fmicb.2022.876166] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 03/24/2022] [Indexed: 11/16/2022] Open
Abstract
Osteomyelitis is deep tissue inflammation caused by bacterial infection. If such an infection persists, it can lead to dissolution and necrosis of the bone tissue. As a result of the extensive use of antibiotics, drug-resistant bacteria are an increasingly common cause of osteomyelitis, limiting the treatment options available to surgeons. Photodynamic antibacterial chemotherapy has attracted increasing attention as a potential alternative treatment. Its advantages are a broad antibacterial spectrum, lack of drug resistance, and lack of toxic side effects. In this study, we explored the impact of the new photosensitizer LD4 in photodynamic antimicrobial chemotherapy (PACT), both alone and in combination with an antibiotic, on osteomyelitis. A rabbit tibial osteomyelitis model was employed and microbiological, histological, and radiological studies were performed. New Zealand white rabbits (n = 36) were randomly divided into a control group, antibiotic group, PACT group and PACT + antibiotic group for treatment. In microbiological analysis, a reduction in bacterial numbers of more than 99.9% was recorded in the PACT group and the PACT + antibiotic group 5 weeks after treatment (p < 0.01). In histological analysis, repair of the damaged bone tissue was observed in the PACT group, and bone repair in the PACT + antibiotic group was even more significant. In radiological analysis, the X-ray Norden score showed that the severity of bone tissue defects or destruction followed the pattern: PACT + antibiotic group < PACT group < antibiotic group < control group.
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Affiliation(s)
- Xiujuan Yin
- School of Clinical Medicine, Hebei University, Baoding, China
| | - Ziyuan Fang
- School of Clinical Medicine, Hebei University, Baoding, China
| | - Yan Fang
- School of Clinical Medicine, Hebei University, Baoding, China
| | - Lin Zhu
- School of Clinical Medicine, Hebei University, Baoding, China
| | - Jinwen Pang
- School of Clinical Medicine, Hebei University, Baoding, China
| | - Tianjun Liu
- Tianjin Key Laboratory of Biomedical Material, Institute of Biomedical Engineering, Peking Union Medical College, Chinese Academy of Medical Sciences, Tianjin, China
| | - Zhanjuan Zhao
- School of Basic Medicine, Hebei University, Baoding, China
| | - Jianxi Zhao
- Department of Radiology, Affiliated Hospital of Hebei University, Baoding, China
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The Use of Photodynamic Therapy on Medication-Related Osteonecrosis of the Jaws: Animal Study. BALKAN JOURNAL OF DENTAL MEDICINE 2021. [DOI: 10.2478/bjdm-2020-0034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Summary
Background/Aim: Bisphosphonate-related osteonecrosis of the jaw (BRONJ) was first introduced in 2003 and its scope was expanded by the name medication-related osteonecrosis of the jaw (MRONJ), since 2014. This study aimed to evaluate the effects of photodynamic therapy (FDT) on tissue samples by histopathological and histomorphometric examination and serum TRACP-5b (Tartrateresistant acid phosphatase-5b) measurement in rats.
Material and Methods: 24 Sprague-Dawley male rats were divided into 3 groups comprising 8 animals. Zoledronic acid was administered to groups 1 and 2 and 0.9% sodium chloride was administered to group 3 intraperitoneally. After the injections were completed, dental extractions were performed. Photodynamic therapy was applied to group 2, three times a weekfor the two weeks after the extraction. In the 16th week, sacrification was performed. Rats were undergone histopathologic and histomorphometric evaluations.
Results: Photodynamic therapy has led to a decrease in epithelial opening and inflammation and an increase in the formation of new bone. Serum TRACP-5b values were shown to decrease significantly in the presence of osteonecrosis.
Conclusions: PDT was shown to be useful in reducing MRONJ risk in rats. As a serum biomarker, Serum TRACP-5b could be a valuable marker. Additional studies should confirm the findings.
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Raman spectroscopic study of the effect of the use of laser/LED phototherapy on the repair of complete tibial fracture treated with internal rigid fixation. Photodiagnosis Photodyn Ther 2020; 30:101773. [PMID: 32315779 DOI: 10.1016/j.pdpdt.2020.101773] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 03/17/2020] [Accepted: 04/02/2020] [Indexed: 11/23/2022]
Abstract
This study aimed to assess the repair of complete surgical tibial fractures fixed with internal rigid fixation (IRF) associated or not to the use of mineral trioxide aggregate (MTA) cement and treated or not with laser (λ = 780 nm, infrared) or LED (λ = 850 ± 10 nm, infrared) lights, 142.8 J/cm2 per treatment, by means of Raman spectroscopy. Open surgical tibial fractures were created on 18 rabbits (6 groups of 3 animals per group, ∼8 months old) and fractures were fixed with IRF. Three groups were grafted with MTA. The groups of IRF and IRF + MTA that received laser or LED were irradiated every other day during 15 days. Animals were sacrificed after 30 days, being the tibia surgically removed. Raman spectra were collected via the probe at the defect site in five points, resulting in 15 spectra per group (90 spectra in the dataset). Spectra were collected at the same day to avoid changes in laser power and experimental setup. The ANOVA general linear model showed that the laser irradiation of tibial bone fractures fixed with IRF and grafted with MTA had significant influence in the content of phosphate (peak ∼960 cm-1) and carbonated (peak ∼1,070 cm-1) hydroxyapatites as well as collagen (peak 1,452 cm-1). Also, peaks of calcium carbonate (1,088 cm-1) were found in the groups grafted with MTA. Based on the Raman spectroscopic data collected in this study, MTA has been shown to improve the repair of complete tibial fractures treated with IRF, with an evident increase of collagen matrix synthesis, and development of a scaffold of hydroxyapatite-like calcium carbonate with subsequent deposition of phosphate hydroxyapatite.
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Abstract
Staphylococcus aureus is one of the most important human pathogens that is responsible for a variety of diseases ranging from skin and soft tissue infections to endocarditis and sepsis. In recent decades, the treatment of staphylococcal infections has become increasingly difficult as the prevalence of multi-drug resistant strains continues to rise. With increasing mortality rates and medical costs associated with drug resistant strains, there is an urgent need for alternative therapeutic options. Many innovative strategies for alternative drug development are being pursued, including disruption of biofilms, inhibition of virulence factor production, bacteriophage-derived antimicrobials, anti-staphylococcal vaccines, and light-based therapies. While many compounds and methods still need further study to determine their feasibility, some are quickly approaching clinical application and may be available in the near future.
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Ervolino E, Statkievicz C, Toro LF, de Mello-Neto JM, Cavazana TP, Issa JPM, Dornelles RCM, de Almeida JM, Nagata MJH, Okamoto R, Casatti CA, Garcia VG, Theodoro LH. Antimicrobial photodynamic therapy improves the alveolar repair process and prevents the occurrence of osteonecrosis of the jaws after tooth extraction in senile rats treated with zoledronate. Bone 2019; 120:101-113. [PMID: 30339908 DOI: 10.1016/j.bone.2018.10.014] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 09/26/2018] [Accepted: 10/15/2018] [Indexed: 12/12/2022]
Abstract
This study evaluated the effects of antimicrobial photodynamic therapy (aPDT) in the alveolar repair of rats with major risk factors for bisphosphonate-related osteonecrosis of the jaws (BRONJ). Senile rats received 0.45 ml of vehicle (VEH and VEH/aPDT) or 0.45 ml of zoledronate (ZOL and ZOL/aPDT) every three days for seven weeks. After three weeks of treatment, the first lower left molar was extracted. VEH/aPDT and ZOL/aPDT were submitted to aPDT on the extraction site at 0, 2 and 4 days postoperatively. Euthanasia was performed 28 days postoperatively and the extraction site was evaluated by clinical, histological, histometric, histochemical and immunohistochemical analysis. ZOL showed tissue repair impairment; lower percentage of newly formed bone tissue (NFBT); higher percentage of non-vital bone tissue (NVBT); fewer mature collagen fibers and increased immunolabeling for tumor necrosis factor (TNFα), interleukin (IL)-1β and IL-6. ZOL/aPDT showed clinical and histological characteristics of the extraction site, percentage of NFBT and percentage of mature collagen fiber similar to VEH. Percentage of NVBT and immunolabeling for inflammatory cytokines in ZOL/aPDT was lower than in ZOL. Immunolabeling for tartarato-resistant acid phosphatase (TRAP) was lower in ZOL and ZOL/aPDT. aPDT in the dental extraction site improves tissue repair process and prevents the occurrence of BRONJ-like lesions after tooth extraction.
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Affiliation(s)
- Edilson Ervolino
- São Paulo State University (UNESP), School of Dentistry, Department of Basic Sciences, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil; São Paulo State University (UNESP), Institute of Biosciences, Rua Prof. Dr. Antônio Celso Wagner Zanin, 250, CEP 18618-689, Botucatu, SP, Brazil; Group for the Research and Study of Laser in Dentistry, São Paulo State University (UNESP), School of Dentistry, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil.
| | - Cristian Statkievicz
- São Paulo State University (UNESP), School of Dentistry, Department of Surgery and Integrated Clinic, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil
| | - Luan Felipe Toro
- São Paulo State University (UNESP), Institute of Biosciences, Rua Prof. Dr. Antônio Celso Wagner Zanin, 250, CEP 18618-689, Botucatu, SP, Brazil; Group for the Research and Study of Laser in Dentistry, São Paulo State University (UNESP), School of Dentistry, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil
| | - João Martins de Mello-Neto
- São Paulo State University (UNESP), School of Dentistry, Department of Surgery and Integrated Clinic, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil; Group for the Research and Study of Laser in Dentistry, São Paulo State University (UNESP), School of Dentistry, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil
| | - Thamires Priscila Cavazana
- São Paulo State University (UNESP), School of Dentistry, Department of Pediatric Dentistry and Public Health, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil
| | - João Paulo Mardegan Issa
- São Paulo University (USP), School of Dentistry, Department of Morphology, Physiology and Basic Pathology, Avenida do Café, s/n, CEP 14040-904, Ribeirão Preto, SP, Brazil
| | - Rita Cássia Menegati Dornelles
- São Paulo State University (UNESP), School of Dentistry, Department of Basic Sciences, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil
| | - Juliano Milanezi de Almeida
- São Paulo State University (UNESP), School of Dentistry, Department of Surgery and Integrated Clinic, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil
| | - Maria José Hitomi Nagata
- São Paulo State University (UNESP), School of Dentistry, Department of Surgery and Integrated Clinic, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil
| | - Roberta Okamoto
- São Paulo State University (UNESP), School of Dentistry, Department of Basic Sciences, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil; São Paulo State University (UNESP), School of Dentistry, Department of Surgery and Integrated Clinic, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil
| | - Cláudio Aparecido Casatti
- São Paulo State University (UNESP), School of Dentistry, Department of Basic Sciences, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil
| | - Valdir Gouveia Garcia
- São Paulo State University (UNESP), School of Dentistry, Department of Surgery and Integrated Clinic, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil; Group for the Research and Study of Laser in Dentistry, São Paulo State University (UNESP), School of Dentistry, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil
| | - Leticia Helena Theodoro
- São Paulo State University (UNESP), School of Dentistry, Department of Surgery and Integrated Clinic, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil; Group for the Research and Study of Laser in Dentistry, São Paulo State University (UNESP), School of Dentistry, Rua José Bonifácio, 1193, CEP 16015-050, Araçatuba, SP, Brazil
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Al-Shammery D, Michelogiannakis D, Ahmed ZU, Ahmed HB, Rossouw PE, Romanos GE, Javed F. Scope of antimicrobial photodynamic therapy in Orthodontics and related research: A review. Photodiagnosis Photodyn Ther 2019; 25:456-459. [PMID: 30753923 DOI: 10.1016/j.pdpdt.2019.02.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 01/10/2019] [Accepted: 02/08/2019] [Indexed: 01/21/2023]
Abstract
BACKGROUND The aim of the present study was to comprehensively review indexed literature regarding the potential role of antimicrobial photodynamic therapy (aPDT) in Orthodontics. METHODS Indexed databases were searched up to and including January 2019 using the following key words: (a) antimicrobial photodynamic therapy; (b) antimicrobial photodynamic chemotherapy; (c) orthodontic; and (d) orthodontics. Original (clinical and experimental) studies, case-reports, and case-series were included. Letters to the Editor, commentaries and review articles were excluded. RESULTS Out of the 29 studies identified in the initial search, 4 studies were processed for data extraction. Three studies were randomized clinical trials performed in humans and 1 study was experimental. Results from 2 studies showed that aPDT is effective in the treatment of gingival inflammation in patients undergoing orthodontic therapy (OT). One study showed that oral decontamination can be successfully performed using aPDT among patients undergoing OT. Results of the experimental study showed that aPDT helps in surface decontamination of orthodontic instruments. CONCLUSION There is insufficient evidence in indexed literature to justify the potential role of aPDT in OT. Hence, further studies are required in this regard.
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Affiliation(s)
- Deema Al-Shammery
- Department of Orthodontics, College of Dentistry, Riyadh Elm University, Riyadh, Saudi Arabia.
| | - Dimitrios Michelogiannakis
- Department of Orthodontics and Dentofacial Orthopedics, Eastman Institute for Oral Health, University of Rochester, NY, USA; Department of Community Dentistry and Oral Disease Prevention, Eastman Institute for Oral Health, University of Rochester, NY, USA
| | | | | | - P Emile Rossouw
- Department of Orthodontics and Dentofacial Orthopedics, Eastman Institute for Oral Health, University of Rochester, NY, USA
| | - Georgios E Romanos
- Department of Periodontology, Stony Brook University, Stony Brook, NY, USA
| | - Fawad Javed
- Department of Periodontology, Stony Brook University, Stony Brook, NY, USA; Laboratory for Periodontal-, Implant-, Phototherapy (LA-PIP), School of Dental Medicine, Stony Brook University, Stony Brook, NY, USA
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Chen J, Shan J, Xu Y, Su P, Tong L, Yuwen L, Weng L, Bao B, Wang L. Polyhedral Oligomeric Silsesquioxane (POSS)-Based Cationic Conjugated Oligoelectrolyte/Porphyrin for Efficient Energy Transfer and Multiamplified Antimicrobial Activity. ACS APPLIED MATERIALS & INTERFACES 2018; 10:34455-34463. [PMID: 30211531 DOI: 10.1021/acsami.8b09185] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Cationic quaternary ammonium (QA) groups and reactive oxygen species as two main approaches for antibacterial study have been intensively studied. Herein, we report a multifunctional antimicrobial agent (porphyrin-POSS-OPVE, PPO), which combines bacterial membrane intercalation, high density of local QA groups, efficient energy transfer, significantly reduced aggregation, and high water solubility into one single molecule. The light-harvesting PPO contains multiple donor-absorbing arms (oligo( p-phenylenevinylene) electrolytes, OPVEs) on its globular periphery and a central porphyrin acceptor in the core by using three-dimensional nanocages (polyhedral oligomeric silsesquioxanes, POSSs) as bridges. The antiaggregation ability of POSS and the highly efficient energy transfer from multiple OPVE arms to porphyrin could greatly amplify singlet oxygen generation in PPO. Particularly, OPVEs with QA terminal chains were able to intercalate into Escherichia coli membranes, which facilitated 1O2 diffusion and bacterial cell membrane disintegration by QA groups. The increased local cationic QA charges in OPVE arms can also enhance the biocidal activity of PPO. Benefiting from these satisfactory features, PPO exhibits multiamplified antibacterial efficacy under a very low concentration level and white light dose (400-700 nm, 6 mW·cm-2, 5 min, 1.8 J·cm-2) to Escherichia coli (8 μM) and Staphylococcus aureus (500 nM). Therefore, PPO shows great potential for photodynamic antimicrobial chemotherapy at a much lower irradiation light dose and photosensitizer concentration level compared to previous reports.
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Affiliation(s)
- Jia Chen
- Key Laboratory for Organic Electronics and Information Displays (KLOEID), Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , Nanjing 210023 , Jiangsu , China
| | - Jingyang Shan
- Key Laboratory for Organic Electronics and Information Displays (KLOEID), Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , Nanjing 210023 , Jiangsu , China
| | - Yu Xu
- Key Laboratory for Organic Electronics and Information Displays (KLOEID), Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , Nanjing 210023 , Jiangsu , China
| | - Peng Su
- Key Laboratory for Organic Electronics and Information Displays (KLOEID), Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , Nanjing 210023 , Jiangsu , China
| | - Li Tong
- Key Laboratory for Organic Electronics and Information Displays (KLOEID), Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , Nanjing 210023 , Jiangsu , China
| | - Lihui Yuwen
- Key Laboratory for Organic Electronics and Information Displays (KLOEID), Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , Nanjing 210023 , Jiangsu , China
| | - Lixing Weng
- Key Laboratory for Organic Electronics and Information Displays (KLOEID), Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , Nanjing 210023 , Jiangsu , China
| | - Biqing Bao
- Key Laboratory for Organic Electronics and Information Displays (KLOEID), Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , Nanjing 210023 , Jiangsu , China
| | - Lianhui Wang
- Key Laboratory for Organic Electronics and Information Displays (KLOEID), Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , Nanjing 210023 , Jiangsu , China
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Ahmed I, Fang Y, Lu M, Yan Q, Kamel AEHM, Hamblin MR, Dai T. Recent Patents on Light-Based Anti-Infective Approaches. RECENT PATENTS ON ANTI-INFECTIVE DRUG DISCOVERY 2018; 13:70-88. [PMID: 29119936 PMCID: PMC5938159 DOI: 10.2174/1872213x11666171108104104] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 10/17/2017] [Accepted: 10/29/2017] [Indexed: 12/30/2022]
Abstract
BACKGROUND Antibiotic resistance is one of the most serious health threats to modern medicine. The lack of potent antibiotics puts us at a disadvantage in the fight against infectious diseases, especially those caused by antibiotic-resistant microbial strains. To this end, an urgent need to search for alternative antimicrobial approaches has arisen. In the last decade, light-based anti-infective therapy has made significant strides in this fight to combat antibiotic resistance among various microbial strains. This method includes utilizing antimicrobial blue light, antimicrobial photodynamic therapy, and germicidal ultraviolet irradiation, among others. Light-based therapy is advantageous over traditional antibiotics in that it eradicates microbial cells rapidly and the likelihood of light-resistance development by microbes is low. METHODS This review highlights the patents on light-based therapy that were filed approximately within the last decade and are dedicated to eradicating pathogenic microorganisms. The primary database that was used for the search was Google Patents. The searches were performed using the keywords including blue light, antimicrobial photodynamic therapy, ultraviolet irradiation, antibiotic resistance, disinfection, bacterium, fungus, and virus. RESULTS Forty-five patents were obtained in our search: 9 patents for the antimicrobial blue light approach, 21 for antimicrobial photodynamic therapy, 11 for UV irradiation, and lastly 4 for other light-based anti-infective approaches. The treatments and devices discussed in this review are interestingly enough able to be used in various different functions and settings, such as dental applications, certain eye diseases, skin and hard surface cleansing, decontamination of internal organs (e.g., the stomach), decontamination of apparel and equipment, eradication of pathogenic microorganisms from buildings and rooms, etc. Most of the devices and inventions introduce methods of destroying pathogenic bacteria and fungi without harming human cells and tissues. CONCLUSIONS Light-based antimicrobial approaches hold great promise for the future in regards to treating antibiotic-resistant infections and related diseases.
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Affiliation(s)
- Imran Ahmed
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Yanyan Fang
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Min Lu
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Quan Yan
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Department of Ophthalmology, Shanghai First People’s Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Ahmed El-Hussein Mohamed Kamel
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Department of Biotechnology, National Institute of Laser Enhanced Science, Cairo University, Cairo, Egypt
| | - Michael R. Hamblin
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Tianhong Dai
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
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Araújo TSD, Rodrigues PLF, Santos MS, de Oliveira JM, Rosa LP, Bagnato VS, Blanco KC, da Silva FC. Reduced methicillin-resistant Staphylococcus aureus biofilm formation in bone cavities by photodynamic therapy. Photodiagnosis Photodyn Ther 2017; 21:219-223. [PMID: 29274394 DOI: 10.1016/j.pdpdt.2017.12.011] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 11/16/2017] [Accepted: 12/19/2017] [Indexed: 12/31/2022]
Abstract
Photodynamic Therapy (PDT) is a promising alternative for the treatment of infectious bone lesions in the oral cavity. The objective of this study was to evaluate the antimicrobial effectiveness of PDT using blue LED associated with curcumin in methicillin-resistant Staphylococcus aureus biofilms (MRSA) in bovine bone cavities by fluorescence spectroscopy. Standardized suspensions of MRSA culture were inoculated into bone lesions to form biofilm. Forty bone species were distributed in three distinct groups: L-C- (control); L + C- (LED for 5 min); L-C+ (curcumin incubation for 5 min) and L + C+ (PDT). Aliquots of 100 μL were collected from the bone cavities after the treatments and were cultived in BHI for 24 h at 36 °C ± 1 and bacterial colonies counting were performed. Statistical analysis were performed using the paired t-test and analysis of variance (ANOVA) for the variables studied. RESULTS The control and PDT groups presented statistically significant differences (p < 0.001). It was possible to reduce 3.666 log10 CFU/mL of MRSA and a reduction in the fluorescence emitted after the treatments was observed. The MRSA reduction in biofilms by PDT was the most efficient treatmnent. There was a significant reduction of biofilms in the L + C- and non-PDT groups by fluorescence spectroscopy images.
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Affiliation(s)
| | | | - Mariana Sousa Santos
- Federal Universityof Bahia, Multidisciplinary Health Institute, Vitória da Conquista, Bahia, Brazil.
| | | | - Luciano Pereira Rosa
- Federal Universityof Bahia, Multidisciplinary Health Institute, Vitória da Conquista, Bahia, Brazil; Universityof São Paulo, São Carlos Institute of Physics, São Carlos, São Paulo, Brazil.
| | | | - Kate Cristina Blanco
- Universityof São Paulo, São Carlos Institute of Physics, São Carlos, São Paulo, Brazil.
| | - Francine Cristina da Silva
- Federal Universityof Bahia, Multidisciplinary Health Institute, Vitória da Conquista, Bahia, Brazil; Universityof São Paulo, São Carlos Institute of Physics, São Carlos, São Paulo, Brazil.
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Han A, Tsoi JKH, Matinlinna JP, Zhang Y, Chen Z. Effects of different sterilization methods on surface characteristics and biofilm formation on zirconia in vitro. Dent Mater 2017; 34:272-281. [PMID: 29183674 DOI: 10.1016/j.dental.2017.11.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 09/01/2017] [Accepted: 11/09/2017] [Indexed: 12/26/2022]
Abstract
OBJECTIVE The current laboratory study was to investigate the effect of different sterilization treatments on surface characteristics of zirconia, and biofilm formation on zirconia surface after exposure to these sterilization treatments. METHODS Commercially available zirconia discs (Cerconbase, Degu-Dent, Hanau, Germany) were prepared and polished to the same value of surface roughness. The discs were treated with one of the following sterilization methods steam autoclave sterilization, dry heat sterilization, ultraviolet C (UVC) irradiation, and gamma (γ) ray irradiation. The characteristics of zirconia surfaces were evaluated by scanning electron microscopy (SEM), surface roughness, surface free energy (SFE), X-ray photoelectron spectroscopy (XPS), and X-ray diffraction (XRD) measurements. Then, Staphylococcus aureus (S.a.) and Porphyromonas gingivalis (P.g.) bacteria were used and cultured on the respective sterilized zirconia surfaces. The amount of biofilm formation on zirconia surface was quantified by colony forming unit (CFU) counts. RESULTS Significant modifications were detected on the colour and SFE of zirconia. The colour of zirconia samples after UVC irradiation became light yellow whilst dark brown colour was observed after gamma ray irradiation. Moreover, UVC and gamma ray irradiation increased the hydrophilicity of zirconia surface. Overall, dry heat sterilized samples showed the significantly lowest amount of bacteria growth on zirconia, while UVC and gamma ray irradiation resulted in the highest. SIGNIFICANCE It is evident that various sterilization methods could change the surface which contribute to different biofilm formation and colour on zirconia.
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Affiliation(s)
- Aifang Han
- Dental Materials Science, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China; Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, PR China
| | - James K H Tsoi
- Dental Materials Science, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China.
| | - Jukka P Matinlinna
- Dental Materials Science, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Yu Zhang
- Department of Biomaterials & Biomimetics, New York University College of Dentistry, New York, USA
| | - Zhuofan Chen
- Dental Materials Science, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China; Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, PR China.
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de Castro MS, Ribeiro NV, de Carli ML, Pereira AAC, Sperandio FF, Hanemann JAC. Photodynamically dealing with bisphosphonate-related osteonecrosis of the jaw: Successful case reports. Photodiagnosis Photodyn Ther 2016; 16:72-75. [DOI: 10.1016/j.pdpdt.2016.08.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 08/05/2016] [Accepted: 08/26/2016] [Indexed: 11/26/2022]
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Wainwright M, O'Kane C, Rawthore S. Phenothiazinium photosensitisers XI. Improved toluidine blue photoantimicrobials. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2016; 160:68-71. [PMID: 27093001 DOI: 10.1016/j.jphotobiol.2016.03.035] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 03/18/2016] [Accepted: 03/24/2016] [Indexed: 12/16/2022]
Abstract
The phenothiazinium derivative toluidine blue O (TBO) is widely employed as a photoantimicrobial agent in clinical trialling, particularly in dentistry. However, its activity against a range of pathogenic microbial species is not significantly different to that of the standard photoantimicrobial methylene blue. In the current study, derivatives of TBO with varying hydrocarbon substitution in chromophore position 2 were synthesised via the established anilinethiosulphonic route, using the mild oxidant silver(II) carbonate to allow substituent preservation. The resulting series of analogues demonstrated the expected increases in visible absorption wavelength and lipophilicity with increasing hydrocarbon content, as well as decreased aggregation for derivatives with bulkier substituents, and all produced singlet oxygen on illumination in vitro. Screening against a range of bacterial and fungal pathogens relevant to infection control showed remarkable increases in activity relative to the parent compound, particularly against the clinically important Gram-negative bacterium Pseudomonas aeruginosa. In addition, in order to demonstrate clinical relevance, the photoactivities of the new derivatives against microbial targets were compared to conventional antibacterial and antifungal drugs, as well as biocides commonly used for local disinfection. Activity here was also generally greater than that of the conventional agents used for comparison, considerably so relative to the local disinfectant agents.
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Affiliation(s)
- Mark Wainwright
- School of Pharmacy & Biomolecular Sciences, Liverpool John Moores University, Byrom Street Liverpool L3 3AF, United Kingdom.
| | - Ciara O'Kane
- School of Pharmacy & Biomolecular Sciences, Liverpool John Moores University, Byrom Street Liverpool L3 3AF, United Kingdom
| | - Sophie Rawthore
- School of Pharmacy & Biomolecular Sciences, Liverpool John Moores University, Byrom Street Liverpool L3 3AF, United Kingdom
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