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Wang D, Kuzma ML, Tan X, He TC, Dong C, Liu Z, Yang J. Phototherapy and optical waveguides for the treatment of infection. Adv Drug Deliv Rev 2021; 179:114036. [PMID: 34740763 PMCID: PMC8665112 DOI: 10.1016/j.addr.2021.114036] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 10/11/2021] [Accepted: 10/28/2021] [Indexed: 02/07/2023]
Abstract
With rapid emergence of multi-drug resistant microbes, it is imperative to seek alternative means for infection control. Optical waveguides are an auspicious delivery method for precise administration of phototherapy. Studies have shown that phototherapy is promising in fighting against a myriad of infectious pathogens (i.e. viruses, bacteria, fungi, and protozoa) including biofilm-forming species and drug-resistant strains while evading treatment resistance. When administered via optical waveguides, phototherapy can treat both superficial and deep-tissue infections while minimizing off-site effects that afflict conventional phototherapy and pharmacotherapy. Despite great therapeutic potential, exact mechanisms, materials, and fabrication designs to optimize this promising treatment option are underexplored. This review outlines principles and applications of phototherapy and optical waveguides for infection control. Research advances, challenges, and outlook regarding this delivery system are rigorously discussed in a hope to inspire future developments of optical waveguide-mediated phototherapy for the management of infection and beyond.
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Affiliation(s)
- Dingbowen Wang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Michelle Laurel Kuzma
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Xinyu Tan
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA; Academy of Orthopedics, Provincial Key Laboratory of Bone and Joint Degenerative Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong Province 510280, China
| | - Tong-Chuan He
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA; Department of Surgery, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Cheng Dong
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Zhiwen Liu
- Department of Electrical Engineering, Materials Research Institute, The Pennsylvania State University, University Park, PA 16802, USA
| | - Jian Yang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA.
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2
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Chen G, Sun J, Peng Q, Sun Q, Wang G, Cai Y, Gu X, Shuai Z, Tang BZ. Biradical-Featured Stable Organic-Small-Molecule Photothermal Materials for Highly Efficient Solar-Driven Water Evaporation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1908537. [PMID: 32519356 DOI: 10.1002/adma.201908537] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 04/30/2020] [Indexed: 06/11/2023]
Abstract
With recent progress in photothermal materials, organic small molecules featured with flexibility, diverse structures, and tunable properties exhibit unique advantages but have been rarely applied in solar-driven water evaporation owing to limited sunlight absorption resulting in low solar-thermal conversion. Herein, a stable croconium derivative, named CR-TPE-T, is designed to exhibit the unique biradical property and strong π-π stacking in the solid state, which facilitate not only a broad absorption spectrum from 300 to 1600 nm for effective sunlight harvesting, but also highly efficient photothermal conversion by boosting nonradiative decay. The photothermal efficiency is evaluated to be 72.7% under 808 nm laser irradiation. Based on this, an interfacial-heating evaporation system based on CR-TPE-T is established successfully, using which a high solar-energy-to-vapor efficiency of 87.2% and water evaporation rate of 1.272 kg m-2 h-1 under 1 sun irradiation are obtained, thus making an important step toward the application of organic-small-molecule photothermal materials in solar energy utilization.
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Affiliation(s)
- Guanyu Chen
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Jiangman Sun
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Qian Peng
- Key Laboratory of Organic Solids, Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100080, China
| | - Qi Sun
- Key Laboratory of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Guan Wang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yuanjing Cai
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Xinggui Gu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zhigang Shuai
- Key Laboratory of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Ben Zhong Tang
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
- Center for Aggregation-Induced Emission, SCUT-HKUST Joint Research Institute, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, China
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3
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Li XY, Tan LC, Dong LW, Zhang WQ, Shen XX, Lu X, Zheng H, Lu YG. Susceptibility and Resistance Mechanisms During Photodynamic Therapy of Melanoma. Front Oncol 2020; 10:597. [PMID: 32528867 PMCID: PMC7247862 DOI: 10.3389/fonc.2020.00597] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Accepted: 04/01/2020] [Indexed: 12/19/2022] Open
Abstract
Melanoma is the most aggressive malignant skin tumor and arises from melanocytes. The resistance of melanoma cells to various treatments results in rapid tumor growth and high mortality. As a local therapeutic modality, photodynamic therapy has been successfully applied for clinical treatment of skin diseases. Photodynamic therapy is a relatively new treatment method for various types of malignant tumors in humans and, compared to conventional treatment methods, has fewer side effects, and is more accurate and non-invasive. Although several in vivo and in vitro studies have shown encouraging results regarding the potential benefits of photodynamic therapy as an adjuvant treatment for melanoma, its clinical application remains limited owing to its relative inefficiency. This review article discusses the use of photodynamic therapy in melanoma treatment as well as the latest progress made in deciphering the mechanism of tolerance. Lastly, potential targets are identified that may improve photodynamic therapy against melanoma cells.
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Affiliation(s)
- Xin-Ying Li
- Department of Plastic Surgery, Daping Hospital, Army Medical University, Chongqing, China
| | - Liu-Chang Tan
- Department of Plastic Surgery, Daping Hospital, Army Medical University, Chongqing, China
| | - Li-Wen Dong
- Department of Plastic Surgery, Daping Hospital, Army Medical University, Chongqing, China
| | - Wan-Qi Zhang
- Department of Plastic Surgery, Daping Hospital, Army Medical University, Chongqing, China
| | - Xiao-Xiao Shen
- Department of Plastic Surgery, Daping Hospital, Army Medical University, Chongqing, China
| | - Xiao Lu
- Department of Thoracic Surgery, Xinqiao Hospital, Army Medical University, Chongqing, China
| | - Hong Zheng
- Department of Thoracic Surgery, Xinqiao Hospital, Army Medical University, Chongqing, China
| | - Yuan-Gang Lu
- Department of Plastic Surgery, Daping Hospital, Army Medical University, Chongqing, China
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4
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Jung HS, Verwilst P, Sharma A, Shin J, Sessler JL, Kim JS. Organic molecule-based photothermal agents: an expanding photothermal therapy universe. Chem Soc Rev 2018; 47:2280-2297. [PMID: 29528360 PMCID: PMC5882556 DOI: 10.1039/c7cs00522a] [Citation(s) in RCA: 837] [Impact Index Per Article: 139.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Over the last decade, organic photothermal therapy (PTT) agents have attracted increasing attention as a potential complement for, or alternative to, classical drugs and sensitizers involving inorganic nanomaterials. In this tutorial review, we provide a structured description of the main classes of organic photothermal agents and their characteristics. Representative agents that have been studied in the context of photothermal therapy since 2000 are summarized and recent advances in using PTT agents to address various cancers indications are highlighted.
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Affiliation(s)
- Hyo Sung Jung
- Department of Chemistry, Korea University, Seoul 02841, Korea.
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Du JD, Hong L, Tan A, Boyd BJ. Naphthalocyanine as a New Photothermal Actuator for Lipid-Based Drug Delivery Systems. J Phys Chem B 2018; 122:1766-1770. [DOI: 10.1021/acs.jpcb.7b12234] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Joanne D. Du
- Drug Delivery, Disposition
and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University (Parkville Campus), 381 Royal Parade, Parkville, VIC 3052, Australia
- ARC Centre of Excellence
in Convergent Bio-Nano Science and Technology, Monash Institute of
Pharmaceutical Sciences, Monash University (Parkville Campus), 381
Royal Parade, Parkville, VIC 3052, Australia
| | - Linda Hong
- Drug Delivery, Disposition
and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University (Parkville Campus), 381 Royal Parade, Parkville, VIC 3052, Australia
- ARC Centre of Excellence
in Convergent Bio-Nano Science and Technology, Monash Institute of
Pharmaceutical Sciences, Monash University (Parkville Campus), 381
Royal Parade, Parkville, VIC 3052, Australia
| | - Angel Tan
- Drug Delivery, Disposition
and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University (Parkville Campus), 381 Royal Parade, Parkville, VIC 3052, Australia
- ARC Centre of Excellence
in Convergent Bio-Nano Science and Technology, Monash Institute of
Pharmaceutical Sciences, Monash University (Parkville Campus), 381
Royal Parade, Parkville, VIC 3052, Australia
| | - Ben J. Boyd
- Drug Delivery, Disposition
and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University (Parkville Campus), 381 Royal Parade, Parkville, VIC 3052, Australia
- ARC Centre of Excellence
in Convergent Bio-Nano Science and Technology, Monash Institute of
Pharmaceutical Sciences, Monash University (Parkville Campus), 381
Royal Parade, Parkville, VIC 3052, Australia
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6
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Yang X, Xue X, Luo Y, Lin TY, Zhang H, Lac D, Xiao K, He Y, Jia B, Lam KS, Li Y. Sub-100nm, long tumor retention SN-38-loaded photonic micelles for tri-modal cancer therapy. J Control Release 2017; 261:297-306. [PMID: 28700898 DOI: 10.1016/j.jconrel.2017.07.014] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2017] [Revised: 06/26/2017] [Accepted: 07/07/2017] [Indexed: 02/05/2023]
Abstract
The tumor penetration and accumulation of nanoparticle-based drug delivery systems are highly dependent on the particle size. Nanomedicines in the sub-100nm range have been suggested by previous studies to have superior antitumor efficacy on various solid tumors. SN-38 is a very important and highly potent drug for several cancers including colon cancer. However, due to the ultra-flat aromatic structure of SN-38, it is typically very difficult to produce sub-100nm, SN-38-encapsulated nanoparticles without modification of the chemical structure. Here, we report on the successful production of 20-30nm, SN-38-encapsulated photonic micelles for effectively trimodal cancer therapy. Taking advantages of the supramolecular "π-π" stacking and hydrophobicity interaction between SN-38, and a unique class of photonic nanoporphyrin micelles (NPM), the extremely hydrophobic SN-38 was successfully encapsulated into NPM with significantly increased water solubility (up to 500 times). At equivalent dose of drug, photosensitizer and light irradiation, combination therapy with SN-38-encapsulated nanoporphyrin micelles (SN-NPM) enhanced the in vitro antitumor activity by 78 and 350 times over single treatment with SN-38 and phototherapy alone, respectively. Due to the relatively small size, SN-NPM possessed superior long tumor retention time (>5days) and much higher accumulation in tumors than in normal organs, as shown by near-infrared fluorescence (NIRF) imaging. Furthermore, the trimodal therapy (photothermal-, photodynamic- and chemo-therapy) with SN-NPM demonstrated dramatically enhanced in vivo antitumor efficacy over single treatment on nude mice bearing HT-29 colon cancer xenograft. Therefore, these sub-100nm, SN-38-encapsulated photonic micelles show great promise for multimodal cancer therapy.
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Affiliation(s)
- Xixiao Yang
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA; Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou 510515, PR China; Department of Pharmacy, Shenzhen Hospital, Southern Medical University, Shenzhen 518000, PR China
| | - Xiangdong Xue
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
| | - Yan Luo
- Department of Oncology, 153 Central Hospital, Zhengzhou 450042, PR China
| | - Tzu-Yin Lin
- Department of Internal Medicine, Division of Hematology/Oncology, University of California Davis, Sacramento, CA 95817, USA
| | - Hongyong Zhang
- Department of Internal Medicine, Division of Hematology/Oncology, University of California Davis, Sacramento, CA 95817, USA
| | - Diana Lac
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
| | - Kai Xiao
- National Chengdu Center for Safety Evaluation of Drugs, West China Hospital, Sichuan University, Chengdu 610041, PR China
| | - Yixuan He
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
| | - Bei Jia
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
| | - Kit S Lam
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA; Department of Internal Medicine, Division of Hematology/Oncology, University of California Davis, Sacramento, CA 95817, USA
| | - Yuanpei Li
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA.
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7
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Ghosh S, Avellini T, Petrelli A, Kriegel I, Gaspari R, Almeida G, Bertoni G, Cavalli A, Scotognella F, Pellegrino T, Manna L. Colloidal CuFeS 2 Nanocrystals: Intermediate Fe d-Band Leads to High Photothermal Conversion Efficiency. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2016; 28:4848-4858. [PMID: 29033496 PMCID: PMC5634747 DOI: 10.1021/acs.chemmater.6b02192] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 06/01/2016] [Indexed: 05/21/2023]
Abstract
We describe the colloidal hot-injection synthesis of phase-pure nanocrystals (NCs) of a highly abundant mineral, chalcopyrite (CuFeS2). Absorption bands centered at around 480 and 950 nm, spanning almost the entire visible and near-infrared regions, encompass their optical extinction characteristics. These peaks are ascribable to electronic transitions from the valence band (VB) to the empty intermediate band (IB), located in the fundamental gap and mainly composed of Fe 3d orbitals. Laser-irradiation (at 808 nm) of an aqueous suspension of CuFeS2 NCs exhibited significant heating, with a photothermal conversion efficiency of 49%. Such efficient heating is ascribable to the carrier relaxation within the broad IB band (owing to the indirect VB-IB gap), as corroborated by transient absorption measurements. The intense absorption and high photothermal transduction efficiency (PTE) of these NCs in the so-called biological window (650-900 nm) make them suitable for photothermal therapy as demonstrated by tumor cell annihilation upon laser irradiation. The otherwise harmless nature of these NCs in dark conditions was confirmed by in vitro toxicity tests on two different cell lines. The presence of the deep Fe levels constituting the IB is the origin of such enhanced PTE, which can be used to design other high performing NC photothermal agents.
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Affiliation(s)
- Sandeep Ghosh
- Department of Nanochemistry, CompuNet, and Department of
Drug Discovery and Development, Istituto
Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova, Italy
| | - Tommaso Avellini
- Department of Nanochemistry, CompuNet, and Department of
Drug Discovery and Development, Istituto
Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova, Italy
| | - Alessia Petrelli
- Department of Nanochemistry, CompuNet, and Department of
Drug Discovery and Development, Istituto
Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova, Italy
| | - Ilka Kriegel
- Department of Nanochemistry, CompuNet, and Department of
Drug Discovery and Development, Istituto
Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova, Italy
| | - Roberto Gaspari
- Department of Nanochemistry, CompuNet, and Department of
Drug Discovery and Development, Istituto
Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova, Italy
| | - Guilherme Almeida
- Department of Nanochemistry, CompuNet, and Department of
Drug Discovery and Development, Istituto
Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova, Italy
- Dipartimento
di Chimica e Chimica Industriale, Università
degli Studi di Genova, Via Dodecaneso, 31, 16146 Genova, Italy
| | - Giovanni Bertoni
- Department of Nanochemistry, CompuNet, and Department of
Drug Discovery and Development, Istituto
Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova, Italy
- IMEM-CNR, Parco Area delle Scienze 37/A, 43124 Parma, Italy
| | - Andrea Cavalli
- Department of Nanochemistry, CompuNet, and Department of
Drug Discovery and Development, Istituto
Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova, Italy
| | - Francesco Scotognella
- Dipartimento
di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
| | - Teresa Pellegrino
- Department of Nanochemistry, CompuNet, and Department of
Drug Discovery and Development, Istituto
Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova, Italy
| | - Liberato Manna
- Department of Nanochemistry, CompuNet, and Department of
Drug Discovery and Development, Istituto
Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova, Italy
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Huang H, Song W, Rieffel J, Lovell JF. Emerging applications of porphyrins in photomedicine. FRONTIERS IN PHYSICS 2015; 3:23. [PMID: 28553633 PMCID: PMC5445930 DOI: 10.3389/fphy.2015.00023] [Citation(s) in RCA: 112] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Biomedical applications of porphyrins and related molecules have been extensively pursued in the context of photodynamic therapy. Recent advances in nanoscale engineering have opened the door for new ways that porphyrins stand to potentially benefit human health. Metalloporphyrins are inherently suitable for many types of medical imaging and therapy. Traditional nanocarriers such as liposomes, dendrimers and silica nanoparticles have been explored for photosensitizer delivery. Concurrently, entirely new classes of porphyrin nanostructures are being developed, such as smart materials that are activated by specific biochemicals encountered at disease sites. Techniques have been developed that improve treatments by combining biomaterials with photosensitizers and functional moieties such as peptides, DNA and antibodies. Compared to simpler structures, these more complex and functional designs can potentially decrease side effects and lead to safer and more efficient phototherapies. This review examines recent research on porphyrin-derived materials in multimodal imaging, drug delivery, bio-sensing, phototherapy and probe design, demonstrating their bright future for biomedical applications.
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Affiliation(s)
- Haoyuan Huang
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY, USA
| | - Wentao Song
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY, USA
| | - James Rieffel
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY, USA
| | - Jonathan F Lovell
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY, USA
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10
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Skin cancer and new treatment perspectives: A review. Cancer Lett 2015; 357:8-42. [DOI: 10.1016/j.canlet.2014.11.001] [Citation(s) in RCA: 195] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 10/31/2014] [Accepted: 11/04/2014] [Indexed: 12/25/2022]
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11
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Pietrangeli D, Rosa A, Pepe A, Altieri S, Bortolussi S, Postuma I, Protti N, Ferrari C, Cansolino L, Clerici AM, Viola E, Donzello MP, Ricciardi G. Water-soluble carboranyl-phthalocyanines for BNCT. Synthesis, characterization, and in vitro tests of the Zn(ii)-nido-carboranyl-hexylthiophthalocyanine. Dalton Trans 2015; 44:11021-8. [DOI: 10.1039/c5dt00394f] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Nido-[ZnMCHESPc]Cs8 increases boron concentration in selected cancerous cell lines.
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12
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Spence GT, Hartland GV, Smith BD. Activated photothermal heating using croconaine dyes. Chem Sci 2013. [DOI: 10.1039/c3sc51978c] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
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Necrosis response to photodynamic therapy using light pulses in the femtosecond regime. Lasers Med Sci 2012; 28:1177-82. [PMID: 23064891 DOI: 10.1007/s10103-012-1216-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2012] [Accepted: 10/05/2012] [Indexed: 10/27/2022]
Abstract
One of the clinical limitations of the photodynamic therapy (PDT) is the reduced light penetration into biological tissues. Pulsed lasers may present advantages concerning photodynamic response when compared to continuous wave (CW) lasers operating under the same average power conditions. The aim of this study was to investigate PDT-induced response when using femtosecond laser (FSL) and a first-generation photosensitizer (Photogem) to evaluate the induced depth of necrosis. The in vitro photodegradation of the sensitizer was monitored during illumination either with CW or an FSL as an indirect measurement of the PDT response. Healthy liver of Wistar rats was used to evaluate the tissue response. The photosensitizer was endovenously injected and 30 min after, an energy dose of 150 J cm(-2) was delivered to the liver surface. We observed that the photodegradation rate evaluated via fluorescence spectroscopy was higher for the FSL illumination. The FSL-PDT produced a necrosis nearly twice as deep when compared to the CW-PDT. An increase of the tissue temperature during the application was measured and was not higher than 2.5 °C for the CW laser and not higher than 4.5 °C for the pulsed laser. FSL should be considered as an alternative in PDT applications for improving the results in the treatment of bulky tumors where higher light penetration is required.
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14
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Singh AK, Hahn MA, Gutwein LG, Rule MC, Knapik JA, Moudgil BM, Grobmyer SR, Brown SC. Multi-dye theranostic nanoparticle platform for bioimaging and cancer therapy. Int J Nanomedicine 2012; 7:2739-50. [PMID: 22701319 PMCID: PMC3373296 DOI: 10.2147/ijn.s28357] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background Theranostic nanomaterials composed of fluorescent and photothermal agents can both image and provide a method of disease treatment in clinical oncology. For in vivo use, the near-infrared (NIR) window has been the focus of the majority of studies, because of greater light penetration due to lower absorption and scatter of biological components. Therefore, having both fluorescent and photothermal agents with optical properties in the NIR provides the best chance of improved theranostic capabilities utilizing nanotechnology. Methods We developed nonplasmonic multi-dye theranostic silica nanoparticles (MDT-NPs), combining NIR fluorescence visualization and photothermal therapy within a single nanoconstruct comprised of molecular components. A modified NIR fluorescent heptamethine cyanine dye was covalently incorporated into a mesoporous silica matrix and a hydrophobic metallo-naphthalocyanine dye with large molar absorptivity was loaded into the pores of these fluorescent particles. The imaging and therapeutic capabilities of these nanoparticles were demonstrated in vivo using a direct tumor injection model. Results The fluorescent nanoparticles are bright probes (300-fold enhancement in quantum yield versus free dye) that have a large Stokes shift (>110 nm). Incorporation of the naphthalocyanine dye and exposure to NIR laser excitation results in a temperature increase of the surrounding environment of the MDT-NPs. Tumors injected with these NPs are easily visible with NIR imaging and produce significantly elevated levels of tumor necrosis (95%) upon photothermal ablation compared with controls, as evaluated by bioluminescence and histological analysis. Conclusion MDT-NPs are novel, multifunctional nanomaterials that have optical properties dependent upon the unique incorporation of NIR fluorescent and NIR photothermal dyes within a mesoporous silica platform.
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Affiliation(s)
- Amit K Singh
- Department of Materials Science and Engineering, College of Engineering, University of Florida, Gainesville, FL 32610, USA
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15
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Combating melanoma: the use of photodynamic therapy as a novel, adjuvant therapeutic tool. Cancer Treat Rev 2010; 37:465-75. [PMID: 21168280 DOI: 10.1016/j.ctrv.2010.11.007] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2010] [Revised: 11/23/2010] [Accepted: 11/24/2010] [Indexed: 11/21/2022]
Abstract
Metastatic malignant melanoma remains one of the most dreaded skin cancers worldwide. Numerous factors contribute to its resistance to hosts of treatment regimes and despite significant scientific advances over the last decade in the field of chemotherapeutics and melanocytic targets, there still remains the need for improved therapeutic modalities. Photodynamic therapy, a minimally invasive therapeutic modality has been shown to be effective in a number of oncologic and non-oncologic conditions. Using second-generation stable, lipophilic photosensitizers with optimised wavelengths, PDT may be a promising tool for adjuvant therapy in combating melanoma. Potential targets for PDT in melanoma eradication include cell proliferation inhibition, activation of cell death and reduction in pro-survival autophagy and a decrease in the cellular melanocytic antioxidant system. This review highlights the current knowledge with respect to these characteristics and suggests that PDT be considered as a good candidate for adjuvant treatment in post-resected malignant metastatic melanoma. Furthermore, it suggests that primary consideration must be given to organelle-specific destruction in melanoma specifically targeting the melanosomes - the one organelle that is specific to cells of the melanocytic lineage that houses the toxic compound, melanin. We believe that using this combined knowledge may eventually lead to an effective therapeutic tool to combat this highly intractable disease.
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