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Ghaffari S, Amiri N, Felix DF, Abbasidezfouli S, Franco F, Beaupré SL, Branda NR, Lange D. Surface photosterilization of implantable silicone biomaterials: structural and functional characterization. Colloids Surf B Biointerfaces 2024; 233:113637. [PMID: 37979481 DOI: 10.1016/j.colsurfb.2023.113637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 10/16/2023] [Accepted: 11/06/2023] [Indexed: 11/20/2023]
Abstract
Hospital-acquired infections (HAIs) remain one of the major challenges faced by the global healthcare system. The increasing rate of pathogenic resistance against antibiotics suggests that alternative treatments are needed to control recurrent infections. Catheter-associated urinary tract infections (CAUTIs) are the third most common type of HAI worldwide, and this is mainly due to indwelling devices being excellent substrates for bacterial adhesion and growth. Subsequent biofilm formation on the implant surface acts as a constant nidus of bacteria and infection, thereby contributing to increased rates of patient morbidity and mortality. Here, we propose a simple and cost-effective method to sterilize silicone-based implant surfaces and prevent initial bacterial colonization, using Polydimethylsiloxane (PDMS) and an embedded ruthenium photosensitizer (PS). Exposure to LED light triggers potent photokilling action, resulting in significant bactericidal activity as evidenced by the number of adherent bacteria being below the level of detection (<10 CFU/mL) after 24 h. Live/dead staining studies using fluorescence microscopy indicated significant reduction in surface-adhered bacterial growth and biofilm formation. This potent antibacterial activity was verified in vivo, with exposure of contaminated PDMS coupons containing PS to LED prior to implantation resulting in over 99.5% reduction in adherent bacteria compared to controls over the 3-day implantation period. Histological analysis of the implantation site of PDMS+PS samples, in the absence of bacteria, revealed no adverse reactions. This was also confirmed using in vitro cytotoxicity studies. Tensile strength, surface roughness, hydrophobicity, and the development of encrustation of surface-treated groups exhibit comparable or improved properties to bare PDMS.
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Affiliation(s)
- Sahand Ghaffari
- The Stone Centre at VGH, Department of Urologic Sciences, University of British Columbia, Jack Bell Research Centre, 550-3, 2660 Oak Street, Vancouver V6H 3Z6, BC, Canada.
| | - Nafise Amiri
- ICORD and Department of Pathology and Laboratory Medicine, University of British Columbia, 818 W10th Ave, Vancouver V5Z 1M9, Canada.
| | - Demian F Felix
- The Stone Centre at VGH, Department of Urologic Sciences, University of British Columbia, Jack Bell Research Centre, 550-3, 2660 Oak Street, Vancouver V6H 3Z6, BC, Canada.
| | - Samin Abbasidezfouli
- The Stone Centre at VGH, Department of Urologic Sciences, University of British Columbia, Jack Bell Research Centre, 550-3, 2660 Oak Street, Vancouver V6H 3Z6, BC, Canada.
| | - Fernanda Franco
- 4D LABS and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada.
| | - Scott L Beaupré
- Department of Physics, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada.
| | - Neil R Branda
- 4D LABS and Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada.
| | - Dirk Lange
- The Stone Centre at VGH, Department of Urologic Sciences, University of British Columbia, Jack Bell Research Centre, 550-3, 2660 Oak Street, Vancouver V6H 3Z6, BC, Canada.
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Piksa M, Fortuna W, Lian C, Gacka M, Samuel IDW, Matczyszyn K, Pawlik KJ. Treatment of antibiotic-resistant bacteria colonizing diabetic foot ulcers by OLED induced antimicrobial photodynamic therapy. Sci Rep 2023; 13:14087. [PMID: 37640720 PMCID: PMC10462621 DOI: 10.1038/s41598-023-39363-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 07/24/2023] [Indexed: 08/31/2023] Open
Abstract
We evaluate the efficacy of antimicrobial Photodynamic Therapy (APDT) for inactivating a variety of antibiotic-resistant clinical strains from diabetic foot ulcers. Here we are focused on APDT based on organic light-emitting diodes (OLED). The wound swabs from ten patients diagnosed with diabetic foot ulcers were collected and 32 clinical strains comprising 22 bacterial species were obtained. The isolated strains were identified with the use of mass spectrometry coupled with a protein profile database and tested for antibiotic susceptibility. 74% of isolated bacterial strains exhibited adaptive antibiotic resistance to at least one antibiotic. All strains were subjected to the APDT procedure using an OLED as a light source and 16 µM methylene blue as a photosensitizer. APDT using the OLED led to a large reduction in all cases. For pathogenic bacteria, the reduction ranged from 1.1-log to > 8 log (Klebsiella aerogenes, Enterobacter cloaca, Staphylococcus hominis) even for high antibiotic resistance (MRSA 5-log reduction). Opportunistic bacteria showed a range from 0.4-log reduction for Citrobacter koseri to > 8 log reduction for Kocuria rhizophila. These results show that OLED-driven APDT is effective against pathogens and opportunistic bacteria regardless of drug resistance.
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Affiliation(s)
- Marta Piksa
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, 53-114, Wroclaw, Poland
| | - Wojciech Fortuna
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, 53-114, Wroclaw, Poland
- Department of Neurosurgery, Wroclaw Medical University, Borowska 213, 50-556, Wroclaw, Poland
| | - Cheng Lian
- Organic Semiconductor Centre, School of Physics and Astronomy, SUPA, University of St Andrews, St Andrews, KY16 9SS, UK
| | | | - Ifor D W Samuel
- Organic Semiconductor Centre, School of Physics and Astronomy, SUPA, University of St Andrews, St Andrews, KY16 9SS, UK
| | - Katarzyna Matczyszyn
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370, Wroclaw, Poland.
| | - Krzysztof J Pawlik
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, 53-114, Wroclaw, Poland.
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Yun WS, Kim J, Lim DK, Kim DH, Jeon SI, Kim K. Recent Studies and Progress in the Intratumoral Administration of Nano-Sized Drug Delivery Systems. Nanomaterials (Basel) 2023; 13:2225. [PMID: 37570543 PMCID: PMC10421122 DOI: 10.3390/nano13152225] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/23/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023]
Abstract
Over the last 30 years, diverse types of nano-sized drug delivery systems (nanoDDSs) have been intensively explored for cancer therapy, exploiting their passive tumor targetability with an enhanced permeability and retention effect. However, their systemic administration has aroused some unavoidable complications, including insufficient tumor-targeting efficiency, side effects due to their undesirable biodistribution, and carrier-associated toxicity. In this review, the recent studies and advancements in intratumoral nanoDDS administration are generally summarized. After identifying the factors to be considered to enhance the therapeutic efficacy of intratumoral nanoDDS administration, the experimental results on the application of intratumoral nanoDDS administration to various types of cancer therapies are discussed. Subsequently, the reports on clinical studies of intratumoral nanoDDS administration are addressed in short. Intratumoral nanoDDS administration is proven with its versatility to enhance the tumor-specific accumulation and retention of therapeutic agents for various therapeutic modalities. Specifically, it can improve the efficacy of therapeutic agents with poor bioavailability by increasing their intratumoral concentration, while minimizing the side effect of highly toxic agents by restricting their delivery to normal tissues. Intratumoral administration of nanoDDS is considered to expand its application area due to its potent ability to improve therapeutic effects and relieve the systemic toxicities of nanoDDSs.
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Affiliation(s)
- Wan Su Yun
- Korea Institute of Science and Technology (KU-KIST), Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea
| | - Jeongrae Kim
- Korea Institute of Science and Technology (KU-KIST), Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea
| | - Dong-Kwon Lim
- Korea Institute of Science and Technology (KU-KIST), Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea
| | - Dong-Hwee Kim
- Korea Institute of Science and Technology (KU-KIST), Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea
| | - Seong Ik Jeon
- College of Pharmacy, Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Kwangmeyung Kim
- College of Pharmacy, Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
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Songca SP. Combinations of Photodynamic Therapy with Other Minimally Invasive Therapeutic Technologies against Cancer and Microbial Infections. Int J Mol Sci 2023; 24:10875. [PMID: 37446050 DOI: 10.3390/ijms241310875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/27/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
The rapid rise in research and development following the discovery of photodynamic therapy to establish novel photosensitizers and overcome the limitations of the technology soon after its clinical translation has given rise to a few significant milestones. These include several novel generations of photosensitizers, the widening of the scope of applications, leveraging of the offerings of nanotechnology for greater efficacy, selectivity for the disease over host tissue and cells, the advent of combination therapies with other similarly minimally invasive therapeutic technologies, the use of stimulus-responsive delivery and disease targeting, and greater penetration depth of the activation energy. Brought together, all these milestones have contributed to the significant enhancement of what is still arguably a novel technology. Yet the major applications of photodynamic therapy still remain firmly located in neoplasms, from where most of the new innovations appear to launch to other areas, such as microbial, fungal, viral, acne, wet age-related macular degeneration, atherosclerosis, psoriasis, environmental sanitization, pest control, and dermatology. Three main value propositions of combinations of photodynamic therapy include the synergistic and additive enhancement of efficacy, the relatively low emergence of resistance and its rapid development as a targeted and high-precision therapy. Combinations with established methods such as chemotherapy and radiotherapy and demonstrated applications in mop-up surgery promise to enhance these top three clinical tools. From published in vitro and preclinical studies, clinical trials and applications, and postclinical case studies, seven combinations with photodynamic therapy have become prominent research interests because they are potentially easily applied, showing enhanced efficacy, and are rapidly translating to the clinic. These include combinations with chemotherapy, photothermal therapy, magnetic hyperthermia, cold plasma therapy, sonodynamic therapy, immunotherapy, and radiotherapy. Photochemical internalization is a critical mechanism for some combinations.
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Affiliation(s)
- Sandile Phinda Songca
- School of Chemistry and Physics, College of Agriculture Engineering and Science, Pietermaritzburg Campus, University of KwaZulu-Natal, Pietermaritzburg 3209, South Africa
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Abstract
The BET family proteins, comprising BRD2, BRD3 and BRD4, represent epigenetic readers of acetylated histone marks that play pleiotropic roles in the tumorigenesis and growth of multiple human malignancies, including glioblastoma (GBM). A growing body of investigation has proven BET proteins as valuable therapeutic targets for cancer treatment. Recently, several BRD4 inhibitors and degraders have been reported to successfully suppress GBM in preclinical and clinical studies. However, the precise role and mechanism of BRD4 in the pathogenesis of GBM have not been fully elucidated or summarized. This review focuses on summarizing the roles and mechanisms of BRD4 in the context of the initiation and development of GBM. In addition, several BRD4 inhibitors have been evaluated for therapeutic purposes as monotherapy or in combination with chemotherapy, radiotherapy, and immune therapies. Here, we provide a critical appraisal of studies evaluating various BRD4 inhibitors and degraders as novel treatment strategies against GBM.
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Affiliation(s)
- Weichen Duan
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, 110004, China
| | - Miao Yu
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, 110004, China
| | - Jiajia Chen
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, 110004, China.
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Garapati C, HS. Boddu S, Jacob S, Ranch KM, Patel C, Jayachandra Babu R, Tiwari AK, Yasin H. Photodynamic Therapy: A Special Emphasis on Nanocarrier-mediated Delivery of Photosensitizers in Antimicrobial Therapy. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
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AlGhamdi AS, Qamar Z, AlSheikh R, Al Hinai MTA, Abdul NS, Aljoghaiman EA, Ali S. Clinical efficacy of 5-aminolevulinic acid-mediated photodynamic therapy versus topical antifungal agent and surgical excision for the treatment of hyperplastic candidiasis. Photodiagnosis Photodyn Ther 2022; 41:103258. [PMID: 36592782 DOI: 10.1016/j.pdpdt.2022.103258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 12/27/2022] [Accepted: 12/28/2022] [Indexed: 12/31/2022]
Abstract
BACKGROUND Hyperplastic candidiasis (HC) is a chronic infection of oral mucosa caused by Candida. Owing to its potential for malignant transformation, its intervention requires attention. Conventional surgical resection might lead to irreversible damage and impact the patient's quality of life. Hence, this study aimed to evaluate the clinical efficacy of 5-aminolevulinic acid (5-ALA)-mediated photodynamic therapy (PDT) alone and in combination with topical antifungal therapy (i.e., nystatin [combination therapy]) in comparison with nystatin and surgical resection for the treatment of HC. METHODS Forty subjects with clinical and histopathological diagnoses of HC were included in the study. Four study groups, with 10 participants each, were formed as follows: Group-I - receiving antifungal agent [nystatin]; Group-II - receiving surgical resection; Group-III - receiving PDT; and Group-IV - receiving 5-ALA-mediated PDT and nystatin [combination therapy]. Salivary and mucosal samples were collected for the quantification of Candida albicans and the treatment responses to different interventions were recorded at week-4, week-6, and week-8 after finishing therapies. RESULTS At the 3rd follow-up (i.e., at end of the 8th week after the interventions), complete improvement in 3 (30%), 2 (20%), 1 (10%), and 5 (50%) patients in group-I, group-II, group-III, and group-IV, respectively was observed. A statistically significant difference was obtained when the intervention responses were compared at week-4 (p<0.01), week-6 (p<0.01), and week-8 (p<0.0001) follow-ups in group-I, group-II, and group-IV subjects. At the 8-week follow-up regarding the salivary and mucosal samples, the lowest colony-forming units/milliliter score of C. albicans was observed in group-IV subjects. CONCLUSION The application of 5-ALA-mediated PDT in combination with nystatin gel possesses the potential as a well-tolerated and safe therapeutic modality for the treatment of patients with HC.
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Affiliation(s)
- AbdulRahman Saeed AlGhamdi
- Department of Restorative and Prosthetic Dentistry, College of Dentistry, Dar Al Uloom University, Riyadh, Saudi Arabia.
| | - Zeeshan Qamar
- Department of O&MFS and Diagnostic Sciences, Faculty of Dentistry, Riyadh Elm University, Riyadh, Saudi Arabia
| | - Rasha AlSheikh
- Department of Restorative Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, Saudi Arabia
| | - Muntasar Talib Ali Al Hinai
- Dental and Maxillofacial Surgery Department, Sultan Qaboos University Hospital Sultan Qaboos University, Muscat Oman
| | - Nishath Sayed Abdul
- Department of OMFS and Diagnostic Sciences (Oral Pathology), Faculty of Dentistry, Riyadh Elm University, Riyadh, Saudi Arabia
| | - Eman Ahmed Aljoghaiman
- Department of Preventive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, Saudi Arabia
| | - Saqib Ali
- Department of Biomedical Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, Saudi Arabia
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Dey A, Singhvi G, Puri A, Kesharwani P, Dubey SK. An insight into photodynamic therapy towards treating major dermatological conditions. J Drug Deliv Sci Technol 2022; 76:103751. [PMID: 36159728 PMCID: PMC9495279 DOI: 10.1016/j.jddst.2022.103751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Photodynamic therapy (PDT), as the name suggests is a light-based, non-invasive therapeutic treatment method that has garnered immense interest in the recent past for its efficacy in treating several pathological conditions. PDT has prominent use in the treatment of several dermatological conditions, which consequently have cosmetic benefits associated with it as PDT improves the overall appearance of the affected area. PDT is commonly used for repairing sun-damaged skin, providing skin rejuvenation, curbing pre-cancerous cells, treating conditions like acne, keratosis, skin-microbial infections, and cutaneous warts, etc. PDT mediates its action by generating oxygen species that are involved in bringing about immunomodulation, suppression of microbial load, wound-healing, lightening of scarring, etc. Although there are several challenges associated with PDT, the prominent ones being pain, erythema, insufficient delivery of the photosensitizing agent, and poor clinical outcomes, still PDT stands to be a promising approach with continuous efforts towards maximizing clinical efficacy while being cautious of the side effects and working towards lessening them. This article discusses the major skin-related conditions which can be treated or managed by employing PDT as a better or comparable alternative to conventional treatment approaches such that it also brings about aesthetic improvements thereof.
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Affiliation(s)
- Anuradha Dey
- R&D Healthcare Division, Emami Ltd, 13, BT Road, Belgharia, Kolkata 700056, India
| | - Gautam Singhvi
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani, Pilani Campus, Rajasthan, India-333031
| | - Anu Puri
- RNA Structure and Design Section, RNA Biology Laboratory (RBL), Center for Cancer Research, National Cancer Institute — Frederick, Frederick, MD, 21702, USA
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
- University Institute of Pharma Sciences, Chandigarh University, Mohali, Punjab, India
| | - Sunil Kumar Dubey
- R&D Healthcare Division, Emami Ltd, 13, BT Road, Belgharia, Kolkata 700056, India
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Crous A, Abrahamse H. Photodynamic therapy of lung cancer, where are we? Front Pharmacol 2022; 13:932098. [PMID: 36110552 PMCID: PMC9468662 DOI: 10.3389/fphar.2022.932098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
Lung cancer remains the leading threat of death globally, killing more people than colon, breast, and prostate cancers combined. Novel lung cancer treatments are being researched because of the ineffectiveness of conventional cancer treatments and the failure of remission. Photodynamic therapy (PDT), a cancer treatment method that is still underutilized, is a sophisticated cancer treatment that shows selective destruction of malignant cells via reactive oxygen species production. PDT has been extensively studied in vitro and clinically. Various PDT strategies have been shown to be effective in the treatment of lung cancer. PDT has been shown in clinical trials to considerably enhance the quality of life and survival in individuals with incurable malignancies. Furthermore, PDT, in conjunction with the use of nanoparticles, is currently being researched for use as an effective cancer treatment, with promising results. PDT and the new avenue of nanoPDT, which are novel treatment options for lung cancer with such promising results, should be tested in clinical trials to determine their efficacy and side effects. In this review, we examine the status and future potentials of nanoPDT in lung cancer treatment.
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Shaw P, Kumar N, Sahun M, Smits E, Bogaerts A, Privat-maldonado A. Modulating the Antioxidant Response for Better Oxidative Stress-Inducing Therapies: How to Take Advantage of Two Sides of the Same Medal? Biomedicines 2022; 10:823. [PMID: 35453573 PMCID: PMC9029215 DOI: 10.3390/biomedicines10040823] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 03/25/2022] [Accepted: 03/28/2022] [Indexed: 01/17/2023] Open
Abstract
Oxidative stress-inducing therapies are characterized as a specific treatment that involves the production of reactive oxygen and nitrogen species (RONS) by external or internal sources. To protect cells against oxidative stress, cells have evolved a strong antioxidant defense system to either prevent RONS formation or scavenge them. The maintenance of the redox balance ensures signal transduction, development, cell proliferation, regulation of the mechanisms of cell death, among others. Oxidative stress can beneficially be used to treat several diseases such as neurodegenerative disorders, heart disease, cancer, and other diseases by regulating the antioxidant system. Understanding the mechanisms of various endogenous antioxidant systems can increase the therapeutic efficacy of oxidative stress-based therapies, leading to clinical success in medical treatment. This review deals with the recent novel findings of various cellular endogenous antioxidant responses behind oxidative stress, highlighting their implication in various human diseases, such as ulcers, skin pathologies, oncology, and viral infections such as SARS-CoV-2.
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Cuthbert TJ, Ennis S, Musolino SF, Buckley HL, Niikura M, Wulff JE, Menon C. Covalent functionalization of polypropylene filters with diazirine-photosensitizer conjugates producing visible light driven virus inactivating materials. Sci Rep 2021; 11:19029. [PMID: 34561486 PMCID: PMC8463589 DOI: 10.1038/s41598-021-98280-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 08/25/2021] [Indexed: 11/17/2022] Open
Abstract
The SARS-CoV-2 pandemic has highlighted the weaknesses of relying on single-use mask and respirator personal protective equipment (PPE) and the global supply chain that supports this market. There have been no major innovations in filter technology for PPE in the past two decades. Non-woven textiles used for filtering PPE are single-use products in the healthcare environment; use and protection is focused on preventing infection from airborne or aerosolized pathogens such as Influenza A virus or SARS-CoV-2. Recently, C-H bond activation under mild and controllable conditions was reported for crosslinking commodity aliphatic polymers such as polyethylene and polypropylene. Significantly, these are the same types of polymers used in PPE filtration systems. In this report, we take advantage of this C-H insertion method to covalently attach a photosensitizing zinc-porphyrin to the surface of a melt-blow non-woven textile filter material. With the photosensitizer covalently attached to the surface of the textile, illumination with visible light was expected to produce oxidizing 1O2/ROS at the surface of the material that would result in pathogen inactivation. The filter was tested for its ability to inactivate Influenza A virus, an enveloped RNA virus similar to SARS-CoV-2, over a period of four hours with illumination of high intensity visible light. The photosensitizer-functionalized polypropylene filter inactivated our model virus by 99.99% in comparison to a control.
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Affiliation(s)
- T J Cuthbert
- Department of Health Sciences and Technology, ETH Zürich, 8008, Zürich, Switzerland.
- Schools of Mechatronic Systems Engineering and Engineering Science, Simon Fraser University, Metro Vancouver, BC, V5A 1S6, Canada.
| | - S Ennis
- Faculty of Health Sciences, Simon Fraser University, Burnaby, BC, V5A 1S6, Canada
| | - S F Musolino
- Department of Chemistry, University of Victoria, Victoria, BC, V8W 3V6, Canada
| | - H L Buckley
- Department of Civil Engineering, University of Victoria, Victoria, BC, V8W 3V6, Canada
| | - M Niikura
- Faculty of Health Sciences, Simon Fraser University, Burnaby, BC, V5A 1S6, Canada
| | - J E Wulff
- Department of Chemistry, University of Victoria, Victoria, BC, V8W 3V6, Canada
| | - C Menon
- Department of Health Sciences and Technology, ETH Zürich, 8008, Zürich, Switzerland
- Schools of Mechatronic Systems Engineering and Engineering Science, Simon Fraser University, Metro Vancouver, BC, V5A 1S6, Canada
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Lamichhane N, Sharma S, Parul, Verma AK, Roy I, Sen T. Iron Oxide-Based Magneto-Optical Nanocomposites for In Vivo Biomedical Applications. Biomedicines 2021; 9. [PMID: 34156393 DOI: 10.3390/biomedicines9030288] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 03/03/2021] [Accepted: 03/08/2021] [Indexed: 01/07/2023] Open
Abstract
Iron oxide nanoparticles (IONPs) have played a pivotal role in the development of nanomedicine owing to their versatile functions at the nanoscale, which facilitates targeted delivery, high contrast imaging, and on-demand therapy. Some biomedical inadequacies of IONPs on their own, such as the poor resolution of IONP-based Magnetic Resonance Imaging (MRI), can be overcome by co-incorporating optical probes onto them, which can be either molecule- or nanoparticulate-based. Optical probe incorporated IONPs, together with two prominent non-ionizing radiation sources (i.e., magnetic field and light), enable a myriad of biomedical applications from early detection to targeted treatment of various diseases. In this context, many research articles are in the public domain on magneto-optical nanoparticles; discussed in detail are fabrication strategies for their application in the biomedical field; however, lacking is a comprehensive review on real-life applications in vivo, their toxicity, and the prospect of bench-to-bedside clinical studies. Therefore, in this review, we focused on selecting such important nanocomposites where IONPs become the magnetic component, conjugated with various types of optical probes; we clearly classified them into class 1 to class 6 categories and present only in vivo studies. In addition, we briefly discuss the potential toxicity of such nanocomposites and their respective challenges for clinical translations.
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Tartaglione MF, Eléxpuru Zabaleta M, Lazzarini R, Piva F, Busilacchi EM, Poloni A, Ledda C, Rapisarda V, Santarelli L, Bracci M. Apoptotic mechanism activated by blue light and cisplatinum in cutaneous squamous cell carcinoma cells. Int J Mol Med 2021; 47:48. [PMID: 33576463 PMCID: PMC7891828 DOI: 10.3892/ijmm.2021.4881] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 01/18/2021] [Indexed: 01/05/2023] Open
Abstract
New approaches are being studied for the treatment of skin cancer. It has been reported that light combined with cisplatinum may be effective against skin cancer. In the present study, the effects of specific light radiations and cisplatinum on A431 cutaneous squamous cell carcinoma (cSCC) and HaCaT non-tumorigenic cell lines were investigated. Both cell lines were exposed to blue and red light sources for 3 days prior to cisplatinum treatment. Viability, apoptosis, cell cycle progression and apoptotic-related protein expression levels were investigated. The present results highlighted that combined treatment with blue light and cisplatinum was more effective in reducing cell viability compared with single treatments. Specifically, an increase in the apoptotic rate was observed when the cells were treated with blue light and cisplatinum, as compared to treatment with blue light or cisplatinum alone. Combined treatment with blue light and cisplatinum also caused cell cycle arrest at the S phase. Treatment with cisplatinum following light exposure induced the expression of apoptotic proteins in the A431 and HaCaT cell lines, which tended to follow different apoptotic mechanisms. On the whole, these data indicate that blue light combined with cisplatinum may be a promising treatment for cSCC.
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Affiliation(s)
- Maria Fiorella Tartaglione
- Section of Occupational Medicine, Department of Clinical and Molecular Sciences, Polytechnic University of Marche, I-60126 Ancona, Italy
| | - María Eléxpuru Zabaleta
- Section of Occupational Medicine, Department of Clinical and Molecular Sciences, Polytechnic University of Marche, I-60126 Ancona, Italy
| | - Raffaella Lazzarini
- Section of Occupational Medicine, Department of Clinical and Molecular Sciences, Polytechnic University of Marche, I-60126 Ancona, Italy
| | - Francesco Piva
- Department of Specialistic Clinical and Odontostomatological Sciences, Polytechnic University of Marche, I-60131 Ancona, Italy
| | - Elena Marinelli Busilacchi
- Section of Hematology, Department of Clinical and Molecular Science, Polytechnic University of Marche, I-60126 Ancona, Italy
| | - Antonella Poloni
- Section of Hematology, Department of Clinical and Molecular Science, Polytechnic University of Marche, I-60126 Ancona, Italy
| | - Caterina Ledda
- Section of Occupational Medicine, Department of Clinical and Experimental Medicine, University of Catania, I-95124 Catania, Italy
| | - Venerando Rapisarda
- Section of Occupational Medicine, Department of Clinical and Experimental Medicine, University of Catania, I-95124 Catania, Italy
| | - Lory Santarelli
- Section of Occupational Medicine, Department of Clinical and Molecular Sciences, Polytechnic University of Marche, I-60126 Ancona, Italy
| | - Massimo Bracci
- Section of Occupational Medicine, Department of Clinical and Molecular Sciences, Polytechnic University of Marche, I-60126 Ancona, Italy
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14
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Balhaddad AA, AlQranei MS, Ibrahim MS, Weir MD, Martinho FC, Xu HHK, Melo MAS. Light Energy Dose and Photosensitizer Concentration Are Determinants of Effective Photo-Killing against Caries-Related Biofilms. Int J Mol Sci 2020; 21:ijms21207612. [PMID: 33076241 PMCID: PMC7589159 DOI: 10.3390/ijms21207612] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 10/08/2020] [Accepted: 10/13/2020] [Indexed: 12/27/2022] Open
Abstract
Caries-related biofilms and associated complications are significant threats in dentistry, especially when biofilms grow over dental restorations. The inhibition of cariogenic biofilm associated with the onset of carious lesions is crucial for preventing disease recurrence after treatment. This in vitro study defined optimized parameters for using a photosensitizer, toluidine blue O (TBO), activated via a red light-emitting diode (LED)-based wireless device to control the growth of cariogenic biofilms. The effect of TBO concentrations (50, 100, 150, and 200 μg/mL) exposed to light or incubated in the dark was investigated in successive cytotoxicity assays. Then, a mature Streptococcus mutans biofilm model under sucrose challenge was treated with different TBO concentrations (50, 100, and 150 μg/mL), different light energy doses (36, 108, and 180 J/cm2), and different incubation times before irradiation (1, 3, and 5 min). The untreated biofilm, irradiation with no TBO, and TBO incubation with no activation represented the controls. After treatments, biofilms were analyzed via S. mutans colony-forming units (CFUs) and live/dead assay. The percentage of cell viability was within the normal range compared to the control when 50 and 100 μg/mL of TBO were used. Increasing the TBO concentration and energy dose was associated with biofilm inhibition (p < 0.001), while increasing incubation time did not contribute to bacterial elimination (p > 0.05). Irradiating the S. mutans biofilm via 100 μg/mL of TBO and ≈180 J/cm2 energy dose resulted in ≈3-log reduction and a higher amount of dead/compromised S. mutans colonies in live/dead assay compared to the control (p < 0.001). The light energy dose and TBO concentration optimized the bacterial elimination of S. mutans biofilms. These results provide a perspective on the determining parameters for highly effective photo-killing of caries-related biofilms and display the limitations imposed by the toxicity of the antibacterial photodynamic therapy’s chemical components. Future studies should support investigations on new approaches to improve or overcome the constraints of opportunities offered by photodynamic inactivation of caries-related biofilms.
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Affiliation(s)
- Abdulrahman A. Balhaddad
- Ph.D. Program in Dental Biomedical Sciences, University of Maryland School of Dentistry, Baltimore, MD 21201, USA; (A.A.B.); (M.S.A.); (M.S.I.); (M.D.W.); (F.C.M.)
- Department of Restorative Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam 34212, Saudi Arabia
| | - Mohammed S. AlQranei
- Ph.D. Program in Dental Biomedical Sciences, University of Maryland School of Dentistry, Baltimore, MD 21201, USA; (A.A.B.); (M.S.A.); (M.S.I.); (M.D.W.); (F.C.M.)
- Department of Preventive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam 34212, Saudi Arabia
| | - Maria S. Ibrahim
- Ph.D. Program in Dental Biomedical Sciences, University of Maryland School of Dentistry, Baltimore, MD 21201, USA; (A.A.B.); (M.S.A.); (M.S.I.); (M.D.W.); (F.C.M.)
- Department of Preventive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam 34212, Saudi Arabia
| | - Michael D. Weir
- Ph.D. Program in Dental Biomedical Sciences, University of Maryland School of Dentistry, Baltimore, MD 21201, USA; (A.A.B.); (M.S.A.); (M.S.I.); (M.D.W.); (F.C.M.)
- Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, MD 21201, USA
| | - Frederico C. Martinho
- Ph.D. Program in Dental Biomedical Sciences, University of Maryland School of Dentistry, Baltimore, MD 21201, USA; (A.A.B.); (M.S.A.); (M.S.I.); (M.D.W.); (F.C.M.)
- Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, MD 21201, USA
| | - Hockin H. K. Xu
- Ph.D. Program in Dental Biomedical Sciences, University of Maryland School of Dentistry, Baltimore, MD 21201, USA; (A.A.B.); (M.S.A.); (M.S.I.); (M.D.W.); (F.C.M.)
- Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, MD 21201, USA
- Correspondence: (H.H.K.X.); (M.A.S.M.)
| | - Mary Anne S. Melo
- Ph.D. Program in Dental Biomedical Sciences, University of Maryland School of Dentistry, Baltimore, MD 21201, USA; (A.A.B.); (M.S.A.); (M.S.I.); (M.D.W.); (F.C.M.)
- Division of Operative Dentistry, Department of General Dentistry, University of Maryland School of Dentistry, Baltimore, MD 21201, USA
- Correspondence: (H.H.K.X.); (M.A.S.M.)
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15
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Liew HS, Mai CW, Zulkefeli M, Madheswaran T, Kiew LV, Delsuc N, Low ML. Recent Emergence of Rhenium(I) Tricarbonyl Complexes as Photosensitisers for Cancer Therapy. Molecules 2020; 25:E4176. [PMID: 32932573 PMCID: PMC7571230 DOI: 10.3390/molecules25184176] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 07/21/2020] [Accepted: 07/23/2020] [Indexed: 02/05/2023] Open
Abstract
Photodynamic therapy (PDT) is emerging as a significant complementary or alternative approach for cancer treatment. PDT drugs act as photosensitisers, which upon using appropriate wavelength light and in the presence of molecular oxygen, can lead to cell death. Herein, we reviewed the general characteristics of the different generation of photosensitisers. We also outlined the emergence of rhenium (Re) and more specifically, Re(I) tricarbonyl complexes as a new generation of metal-based photosensitisers for photodynamic therapy that are of great interest in multidisciplinary research. The photophysical properties and structures of Re(I) complexes discussed in this review are summarised to determine basic features and similarities among the structures that are important for their phototoxic activity and future investigations. We further examined the in vitro and in vivo efficacies of the Re(I) complexes that have been synthesised for anticancer purposes. We also discussed Re(I) complexes in conjunction with the advancement of two-photon PDT, drug combination study, nanomedicine, and photothermal therapy to overcome the limitation of such complexes, which generally absorb short wavelengths.
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Affiliation(s)
- Hui Shan Liew
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia;
| | - Chun-Wai Mai
- Centre for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia;
- School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (M.Z.); (T.M.)
| | - Mohd Zulkefeli
- School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (M.Z.); (T.M.)
| | - Thiagarajan Madheswaran
- School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (M.Z.); (T.M.)
| | - Lik Voon Kiew
- Department of Pharmacology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia;
| | - Nicolas Delsuc
- Laboratoire des Biomolécules, Département de Chimie, École Normale Supérieure, PSL University, Sorbonne Université, 75005 Paris, France;
| | - May Lee Low
- School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (M.Z.); (T.M.)
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16
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Beltran-Leal A, Muñoz-Ruiz A, Esparza-Villalpando V, Castro Y, Pozos-Guillen A, Flores H. 5-Aminolevulinic acid photoactivated over planktonic and biofilm forms of Enterococcus faecalis as a pharmacological therapy alternative. BRAZ J PHARM SCI 2020. [DOI: 10.1590/s2175-97902019000318544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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17
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Khokhlova A, Zolotovskii I, Sokolovski S, Saenko Y, Rafailov E, Stoliarov D, Pogodina E, Svetukhin V, Sibirny V, Fotiadi A. The light-oxygen effect in biological cells enhanced by highly localized surface plasmon-polaritons. Sci Rep 2019; 9:18435. [PMID: 31804563 DOI: 10.1038/s41598-019-54905-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 11/12/2019] [Indexed: 12/14/2022] Open
Abstract
Here at the first time we suggested that the surface plasmon-polariton phenomenon which it is well described in metallic nanostructures could also be used for explanation of the unexpectedly strong oxidative effects of the low-intensity laser irradiation in living matters (cells, tissues, organism). We demonstrated that the narrow-band laser emitting at 1265 nm could generate significant amount of the reactive oxygen species (ROS) in both HCT116 and CHO-K1 cell cultures. Such cellular ROS effects could be explained through the generation of highly localized plasmon-polaritons on the surface of mitochondrial crista. Our experimental conditions, the low-intensity irradiation, the narrow spectrum band (<4 nm) of the laser and comparably small size bio-structures (~10 μm) were shown to be sufficient for the plasmon-polariton generation and strong laser field confinement enabling the oxidative stress observed.
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18
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Affiliation(s)
- Felix Bächle
- Institute of Organic Chemistry University of Tübingen Auf der Morgenstelle 18 72076 Tübingen Germany
| | - Nikolai Siemens
- Department of Molecular Genetics and Infection Biology University of Greifswald Felix‐Hausdorff‐Str. 8 17487 Greifswald Germany
| | - Thomas Ziegler
- Institute of Organic Chemistry University of Tübingen Auf der Morgenstelle 18 72076 Tübingen Germany
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Krajczewski J, Rucińska K, Townley HE, Kudelski A. Role of various nanoparticles in photodynamic therapy and detection methods of singlet oxygen. Photodiagnosis Photodyn Ther 2019; 26:162-178. [DOI: 10.1016/j.pdpdt.2019.03.016] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 03/18/2019] [Accepted: 03/22/2019] [Indexed: 01/10/2023]
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20
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Sakamaki Y, Ozdemir J, Heidrick Z, Watson O, Shahsavari HR, Fereidoonnezhad M, Khosropour AR, Beyzavi MH. Metal–Organic Frameworks and Covalent Organic Frameworks as Platforms for Photodynamic Therapy. COMMENT INORG CHEM 2019. [DOI: 10.1080/02603594.2018.1542597] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Yoshie Sakamaki
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
| | - John Ozdemir
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
| | - Zachary Heidrick
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
| | - Olivia Watson
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
| | - Hamid R. Shahsavari
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, Iran
| | - Masood Fereidoonnezhad
- Toxicology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ahmad R. Khosropour
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
- Department of Chemistry, University of Isfahan, Isfahan, Iran
| | - M. Hassan Beyzavi
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA
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21
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Davoudi A, Ebadian B, Nosouhian S. Role of laser or photodynamic therapy in treatment of denture stomatitis: A systematic review. J Prosthet Dent 2018; 120:498-505. [DOI: 10.1016/j.prosdent.2018.01.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 01/05/2018] [Accepted: 01/05/2018] [Indexed: 12/30/2022]
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Abstract
Background Photodynamic therapy (PDT) is photo-treatment of malignant or benign diseases using photosensitizing agents, light, and oxygen which generates cytotoxic reactive oxygens and induces tumour regressions. Several photodynamic treatments have been extensively studied and the photosensitizers (PS) are key to their biological efficacy, while laser and oxygen allow to appropriate and flexible delivery for treatment of diseases. Introduction In presence of oxygen and the specific light triggering, PS is activated from its ground state into an excited singlet state, generates reactive oxygen species (ROS) and induces apoptosis of cancer tissues. Those PS can be divided by its specific efficiency of ROS generation, absorption wavelength and chemical structure. Main body Up to dates, several PS were approved for clinical applications or under clinical trials. Photofrin® is the first clinically approved photosensitizer for the treatment of cancer. The second generation of PS, Porfimer sodium (Photofrin®), Temoporfin (Foscan®), Motexafin lutetium, Palladium bacteriopheophorbide, Purlytin®, Verteporfin (Visudyne®), Talaporfin (Laserphyrin®) are clinically approved or under-clinical trials. Now, third generation of PS, which can dramatically improve cancer-targeting efficiency by chemical modification, nano-delivery system or antibody conjugation, are extensively studied for clinical development. Conclusion Here, we discuss up-to-date information on FDA-approved photodynamic agents, the clinical benefits of these agents. However, PDT is still dearth for the treatment of diseases in specifically deep tissue cancer. Next generation PS will be addressed in the future for PDT. We also provide clinical unmet need for the design of new photosensitizers.
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Affiliation(s)
- Rengarajan Baskaran
- World Class Smart Lab, Department of New Drug Development, Inha University College of Medicine, 366, Seohae-daero, Jung-gu, Incheon, 22332 Republic of Korea
| | - Junghan Lee
- World Class Smart Lab, Department of New Drug Development, Inha University College of Medicine, 366, Seohae-daero, Jung-gu, Incheon, 22332 Republic of Korea
| | - Su-Geun Yang
- World Class Smart Lab, Department of New Drug Development, Inha University College of Medicine, 366, Seohae-daero, Jung-gu, Incheon, 22332 Republic of Korea
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23
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Sorbellini E, Rucco M, Rinaldi F. Photodynamic and photobiological effects of light-emitting diode (LED) therapy in dermatological disease: an update. Lasers Med Sci 2018; 33:1431-1439. [PMID: 30006754 PMCID: PMC6133043 DOI: 10.1007/s10103-018-2584-8] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 07/05/2018] [Indexed: 12/16/2022]
Abstract
Benefit deriving from the use of light is known since ancient time, but, only in the last decades of twentieth century, we witnessed the rapid expansion of knowledge and techniques. Light-emitted diode (LED)-based devices represent the emerging and safest tool for the treatment of many conditions such as skin inflammatory conditions, aging, and disorders linked to hair growth. The present work reviews the current knowledge about LED-based therapeutic approaches in different skin and hair disorders. LED therapy represents the emerging and safest tool for the treatment of many conditions such as skin inflammatory conditions, aging, and disorders linked to hair growth. The use of LED in the treatment of such conditions has now entered common practice among dermatologists. Additional controlled studies are still needed to corroborate the efficacy of such kind of treatment.
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Affiliation(s)
- Elisabetta Sorbellini
- International Hair Research Foundation (IHRF), Milan, Italy.
- Human Advanced Microbiome Project-HMAP, Milan, Italy.
| | | | - Fabio Rinaldi
- International Hair Research Foundation (IHRF), Milan, Italy
- Human Advanced Microbiome Project-HMAP, Milan, Italy
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24
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Li M, Thapa P, Rajaputra P, Bio M, Peer CJ, Figg WD, You Y, Woo S. Quantitative modeling of the dynamics and intracellular trafficking of far-red light-activatable prodrugs: implications in stimuli-responsive drug delivery system. J Pharmacokinet Pharmacodyn 2017; 44:521-536. [PMID: 28913666 DOI: 10.1007/s10928-017-9543-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Accepted: 09/08/2017] [Indexed: 12/14/2022]
Abstract
The combination of photodynamic therapy (PDT) with anti-tumor agents is a complimentary strategy to treat local cancers. We developed a unique photosensitizer (PS)-conjugated paclitaxel (PTX) prodrug in which a PS is excited by near-infrared wavelength light to site-specifically release PTX while generating singlet oxygen (SO) to effectively kill cancer cells with both PTX and SO. The aim of the present study was to identify the determinants influencing the combined efficacy of this light-activatable prodrug, especially the bystander killing effects from released PTX. Using PS-conjugated PTX as a model system, we developed a quantitative mathematical model describing the intracellular trafficking. Dynamics of the prodrug and the model predictions were verified with experimental data using human cancer cells in vitro. The sensitivity analysis suggested that parameters related to extracellular concentration of released PTX, prodrug uptake, target engagement, and target abundance are critical in determining the combined killing efficacy of the prodrug. We found that released PTX cytotoxicity was most sensitive to the retention time of the drug in extracellular space. Modulating drug internalization and conjugating the agents targeted to abundant receptors may provide a new strategy for maximizing the killing capacity of the far-red light-activatable prodrug system. These results provide guidance for the design of the PDT combination study in vivo and have implications for other stimuli-responsive drug delivery systems.
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Affiliation(s)
- Mengjie Li
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73117, USA
| | - Pritam Thapa
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73117, USA
| | - Pallavi Rajaputra
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73117, USA
| | - Moses Bio
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73117, USA
| | - Cody J Peer
- Clinical Pharmacology Program, National Cancer Institute, NIH, Bethesda, MD, 20892, USA
| | - William D Figg
- Clinical Pharmacology Program, National Cancer Institute, NIH, Bethesda, MD, 20892, USA
| | - Youngjae You
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73117, USA.
| | - Sukyung Woo
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73117, USA.
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25
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Zang L, Zhao H, Fang Q, Fan M, Chen T, Tian Y, Yao J, Zheng Y, Zhang Z, Cao W. Photophysical properties of sinoporphyrin sodium and explanation of its high photo-activity. J PORPHYR PHTHALOCYA 2017. [DOI: 10.1142/s1088424617500055] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Sinoporphyrin sodium (DVDMS) is a novel photosensitizer with high photodynamic therapy (PDT) effect. Reasons for its high photo-activity were investigated according to the study of photophysical characteristics of DVDMS. Extinction coefficients ([Formula: see text] of DVDMS at 405 nm and 630 nm are 4.36 × 105 and 1.84 × 104 M[Formula: see text].cm[Formula: see text]; fluorescence quantum yield ([Formula: see text] is 0.026; quantum yield of lowest triplet state formation is 0.94 and singlet oxygen quantum yield ([Formula: see text] is 0.92. Although [Formula: see text] of DVDMS is only 10% higher than that of Photofrin[Formula: see text] (0.83), the extinction coefficient of DVDMS at 630 nm is 10-fold greater than that of Photofrin[Formula: see text]. This leads to its higher singlet oxygen generation efficiency ([Formula: see text]. The higher [Formula: see text] of DVDMS can result in an effective reduction of dosage (1/10 of Photofrin[Formula: see text] reaching the same cytotoxic effect as Photofrin[Formula: see text]. Even though [Formula: see text] is approximately equal to that of Photofrin[Formula: see text], brightness ([Formula: see text] of DVDMS is 10-fold greater than that of Photofrin[Formula: see text] because of the 10-fold greater extinction coefficient. Thus, fluorescence diagnosis ability of 0.2 mg/kg DVDMS is comparable to that of 2 mg/kg Photofrin[Formula: see text] used in PDT. Overall, the 10-fold greater extinction coefficients are responsible for the high brightness and singlet oxygen generation efficiency of DVDMS.
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Affiliation(s)
- Lixin Zang
- Condensed Matter Science and Technology Institute, Harbin Institute of Technology, Harbin, 150080, China
| | - Huimin Zhao
- School of Physics and Electronics, Shandong Normal University, Ji’nan, 250014, China
| | - Qicheng Fang
- Institute of Materia Medica, Chinese Academy of Medical Science, Beijing, 100050, China
| | - Ming Fan
- Shenzhen Micromed Tech. Co., Ltd., Shenzhen, 518109, China
| | - Tong Chen
- Shenzhen Micromed Tech. Co., Ltd., Shenzhen, 518109, China
| | - Ye Tian
- Division of Cardiology, the First Affiliated Hospital, Cardiovascular Institute, Harbin Medical University, Harbin, 150001, China
| | - Jianting Yao
- Division of Cardiology, the First Affiliated Hospital, Cardiovascular Institute, Harbin Medical University, Harbin, 150001, China
| | - Yangdong Zheng
- Department of Physics, Harbin Institute of Technology, Harbin, 150001, China
| | - Zhiguo Zhang
- Condensed Matter Science and Technology Institute, Harbin Institute of Technology, Harbin, 150080, China
| | - Wenwu Cao
- Department of Mathematics and Materials Research Institute, The Pennsylvania State University, Pennsylvania, 16802, USA
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Chakrabortty S, Agrawalla BK, Stumper A, Vegi NM, Fischer S, Reichardt C, Kögler M, Dietzek B, Feuring-Buske M, Buske C, Rau S, Weil T. Mitochondria Targeted Protein-Ruthenium Photosensitizer for Efficient Photodynamic Applications. J Am Chem Soc 2017; 139:2512-2519. [PMID: 28097863 PMCID: PMC5588099 DOI: 10.1021/jacs.6b13399] [Citation(s) in RCA: 225] [Impact Index Per Article: 32.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
![]()
Organelle-targeted
photosensitization represents a promising approach
in photodynamic therapy where the design of the active photosensitizer
(PS) is very crucial. In this work, we developed a macromolecular
PS with multiple copies of mitochondria-targeting groups and ruthenium
complexes that displays highest phototoxicity toward several cancerous
cell lines. In particular, enhanced anticancer activity was demonstrated
in acute myeloid leukemia cell lines, where significant impairment
of proliferation and clonogenicity occurs. Finally, attractive two-photon
absorbing properties further underlined the great significance of
this PS for mitochondria targeted PDT applications in deep tissue
cancer therapy.
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Affiliation(s)
| | | | | | | | | | - Christian Reichardt
- Department of Functional Interfaces, Leibniz Institute of Photonic Technology (IPHT) Jena , Albert-Einstein-Straße 9, 07745 Jena, Germany
| | | | - Benjamin Dietzek
- Department of Functional Interfaces, Leibniz Institute of Photonic Technology (IPHT) Jena , Albert-Einstein-Straße 9, 07745 Jena, Germany
| | - Michaela Feuring-Buske
- Department of Internal Medicine III, University Hospital Ulm , Albert-Einstein Allee 23, 89081, Ulm, Germany
| | | | | | - Tanja Weil
- Max-Planck-Institute for Polymer Research , Ackermannweg 10, 55128 Mainz, Germany
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Lin N, Li C, Wang Z, Zhang J, Ye X, Gao W, Wang A, Jin H, Wei J. A safety study of a novel photosensitizer, sinoporphyrin sodium, for photodynamic therapy in Beagle dogs. Photochem Photobiol Sci 2015; 14:815-32. [DOI: 10.1039/c4pp00463a] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Sinoporphyrin sodium (DVDMS) based photodynamic therapy (PDT) showed skin phototoxicity in Beagle dogs, did not accumulate in blood plasma, and had an effect on the immune organs and the liver.
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Affiliation(s)
- Ni Lin
- New Drug Safety Evaluation Center
- Institute of Materia Medica
- Peking Union Medical College
- Beijing 100050
- China
| | - Chao Li
- Beijing Union-Genius Pharmaceutical Technology Development Co
- Ltd
- Beijing 100050
- China
| | - Zhonghua Wang
- Beijing Union-Genius Pharmaceutical Technology Development Co
- Ltd
- Beijing 100050
- China
| | - Jingxuan Zhang
- Beijing Union-Genius Pharmaceutical Technology Development Co
- Ltd
- Beijing 100050
- China
| | - Xiangfeng Ye
- Beijing Union-Genius Pharmaceutical Technology Development Co
- Ltd
- Beijing 100050
- China
| | - Wenjing Gao
- Beijing Union-Genius Pharmaceutical Technology Development Co
- Ltd
- Beijing 100050
- China
| | - Aiping Wang
- New Drug Safety Evaluation Center
- Institute of Materia Medica
- Peking Union Medical College
- Beijing 100050
- China
| | - Hongtao Jin
- New Drug Safety Evaluation Center
- Institute of Materia Medica
- Peking Union Medical College
- Beijing 100050
- China
| | - Jinfeng Wei
- New Drug Safety Evaluation Center
- Institute of Materia Medica
- Peking Union Medical College
- Beijing 100050
- China
| |
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