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Volety P, Shirley CA, Chhabra G, Ahmad N. The fusion of light and immunity: Advancements in photoimmunotherapy for melanoma. Photochem Photobiol 2024; 100:910-922. [PMID: 38623955 DOI: 10.1111/php.13951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/03/2024] [Accepted: 04/05/2024] [Indexed: 04/17/2024]
Abstract
Metastatic melanoma is an aggressive skin cancer with high mortality and recurrence rates. Despite the clinical success of recent immunotherapy approaches, prevailing resistance rates necessitate the continued development of novel therapeutic options. Photoimmunotherapy (PIT) is emerging as a promising immunotherapy strategy that uses photodynamic therapy (PDT) to unleash systemic immune responses against tumor sites while maintaining the superior tumor-specificity and minimally invasive nature of traditional PDT. In this review, we discuss recent advances in PIT and strategies for the management of melanoma using PIT. PIT can strongly induce immunogenic cell death, inviting the concomitant application of immune checkpoint blockade or adoptive cell therapies. PIT can also be leveraged to selectively remove the suppressive immune populations associated with immunotherapy resistance. The modular nature of PIT therapy design combined with the potential for patient-specific antigen selection or drug co-delivery makes PIT an alluring option for future personalized melanoma care.
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Affiliation(s)
- Pranav Volety
- Department of Dermatology, University of Wisconsin, Madison, Wisconsin, USA
| | - Carl A Shirley
- Department of Dermatology, University of Wisconsin, Madison, Wisconsin, USA
| | - Gagan Chhabra
- Department of Dermatology, University of Wisconsin, Madison, Wisconsin, USA
| | - Nihal Ahmad
- Department of Dermatology, University of Wisconsin, Madison, Wisconsin, USA
- William S. Middleton Memorial Veterans Hospital, Madison, Wisconsin, USA
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2
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Leask A, Nguyen J, Naik A, Chitturi P, Riser BL. The role of yes activated protein (YAP) in melanoma metastasis. iScience 2024; 27:109864. [PMID: 38770136 PMCID: PMC11103372 DOI: 10.1016/j.isci.2024.109864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024] Open
Abstract
Hippo was first identified in a genetic screen as a protein that suppressed proliferation and cell growth. Subsequently, it was shown that hippo acted in a so-called canonical cascade to suppress Yorkie, the Drosophila equivalent of Yes-activated protein (YAP), a mechanosensitive transcriptional cofactor that enhances the activity of the TEAD family of transcription factors. YAP promotes fibrosis, activation of cancer-associated fibroblasts, angiogenesis and cancer cell invasion. YAP activates the expression of the matricellular proteins CCN1 (cyr61) and CCN2 (ctgf), themselves mediators of fibrogenesis and oncogenesis, and coordination of matrix deposition and angiogenesis. This review discusses how therapeutically targeting YAP through YAP inhibitors verteporfin and celastrol and its downstream mediators CCN1 and CCN2 might be useful in treating melanoma.
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Affiliation(s)
- Andrew Leask
- College of Dentistry, University of Saskatchewan, 105 Wiggins Road, Saskatoon, SK S7N 5E4, Canada
| | - John Nguyen
- College of Dentistry, University of Saskatchewan, 105 Wiggins Road, Saskatoon, SK S7N 5E4, Canada
| | - Angha Naik
- College of Dentistry, University of Saskatchewan, 105 Wiggins Road, Saskatoon, SK S7N 5E4, Canada
| | - Pratyusha Chitturi
- College of Dentistry, University of Saskatchewan, 105 Wiggins Road, Saskatoon, SK S7N 5E4, Canada
| | - Bruce L. Riser
- Department of Physiology & Biophysics, Center for Cancer Cell Biology, Immunology & Infection, Rosalind Franklin University, 3333 N. Green Bay Road, Chicago, IL 60064, USA
- BLR Bio, LLC, Kenosha, WI 53140, USA
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3
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Quinlan JA, Inglut CT, Srivastava P, Rahman I, Stabile J, Gaitan B, Arnau Del Valle C, Baumiller K, Gaur A, Chiou W, Karim B, Connolly N, Robey RW, Woodworth GF, Gottesman MM, Huang H. Carrier-Free, Amorphous Verteporfin Nanodrug for Enhanced Photodynamic Cancer Therapy and Brain Drug Delivery. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2302872. [PMID: 38445882 PMCID: PMC11077681 DOI: 10.1002/advs.202302872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 02/02/2024] [Indexed: 03/07/2024]
Abstract
Glioblastoma (GBM) is hard to treat due to cellular invasion into functioning brain tissues, limited drug delivery, and evolved treatment resistance. Recurrence is nearly universal even after surgery, chemotherapy, and radiation. Photodynamic therapy (PDT) involves photosensitizer administration followed by light activation to generate reactive oxygen species at tumor sites, thereby killing cells or inducing biological changes. PDT can ablate unresectable GBM and sensitize tumors to chemotherapy. Verteporfin (VP) is a promising photosensitizer that relies on liposomal carriers for clinical use. While lipids increase VP's solubility, they also reduce intracellular photosensitizer accumulation. Here, a pure-drug nanoformulation of VP, termed "NanoVP", eliminating the need for lipids, excipients, or stabilizers is reported. NanoVP has a tunable size (65-150 nm) and 1500-fold higher photosensitizer loading capacity than liposomal VP. NanoVP shows a 2-fold increase in photosensitizer uptake and superior PDT efficacy in GBM cells compared to liposomal VP. In mouse models, NanoVP-PDT improved tumor control and extended animal survival, outperforming liposomal VP and 5-aminolevulinic acid (5-ALA). Moreover, low-dose NanoVP-PDT can safely open the blood-brain barrier, increasing drug accumulation in rat brains by 5.5-fold compared to 5-ALA. NanoVP is a new photosensitizer formulation that has the potential to facilitate PDT for the treatment of GBM.
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Affiliation(s)
- John A. Quinlan
- Fischell Department of BioengineeringUniversity of MarylandCollege ParkMD20742USA
- Laboratory of Cell BiologyCenter for Cancer ResearchNational Cancer InstituteNational Institutes of HealthBethesdaMD20892USA
| | - Collin T. Inglut
- Fischell Department of BioengineeringUniversity of MarylandCollege ParkMD20742USA
- Laboratory of Cell BiologyCenter for Cancer ResearchNational Cancer InstituteNational Institutes of HealthBethesdaMD20892USA
| | - Payal Srivastava
- Fischell Department of BioengineeringUniversity of MarylandCollege ParkMD20742USA
| | - Idrisa Rahman
- Fischell Department of BioengineeringUniversity of MarylandCollege ParkMD20742USA
- Laboratory of Cell BiologyCenter for Cancer ResearchNational Cancer InstituteNational Institutes of HealthBethesdaMD20892USA
| | - Jillian Stabile
- Fischell Department of BioengineeringUniversity of MarylandCollege ParkMD20742USA
| | - Brandon Gaitan
- Fischell Department of BioengineeringUniversity of MarylandCollege ParkMD20742USA
| | | | - Kaylin Baumiller
- Fischell Department of BioengineeringUniversity of MarylandCollege ParkMD20742USA
| | - Anandita Gaur
- Fischell Department of BioengineeringUniversity of MarylandCollege ParkMD20742USA
| | - Wen‐An Chiou
- Advanced Imaging and Microscopy LaboratoryMaryland Nano CenterUniversity of MarylandCollege ParkMD20742USA
| | - Baktiar Karim
- Molecular Histopathology LaboratoryLeidos Biomedical Research, Inc.Frederick National Laboratory for Cancer ResearchFrederickMD21701USA
| | - Nina Connolly
- Marlene and Stewart Greenebaum Comprehensive Cancer CenterUniversity of Maryland School of MedicineBaltimoreMD21201USA
| | - Robert W. Robey
- Laboratory of Cell BiologyCenter for Cancer ResearchNational Cancer InstituteNational Institutes of HealthBethesdaMD20892USA
| | - Graeme F. Woodworth
- Marlene and Stewart Greenebaum Comprehensive Cancer CenterUniversity of Maryland School of MedicineBaltimoreMD21201USA
- Department of NeurosurgeryUniversity of Maryland School of MedicineBaltimoreMD21201USA
| | - Michael M. Gottesman
- Laboratory of Cell BiologyCenter for Cancer ResearchNational Cancer InstituteNational Institutes of HealthBethesdaMD20892USA
| | - Huang‐Chiao Huang
- Fischell Department of BioengineeringUniversity of MarylandCollege ParkMD20742USA
- Marlene and Stewart Greenebaum Comprehensive Cancer CenterUniversity of Maryland School of MedicineBaltimoreMD21201USA
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Paclitaxel-Loaded Lipid-Coated Magnetic Nanoparticles for Dual Chemo-Magnetic Hyperthermia Therapy of Melanoma. Pharmaceutics 2023; 15:pharmaceutics15030818. [PMID: 36986678 PMCID: PMC10055620 DOI: 10.3390/pharmaceutics15030818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/17/2023] [Accepted: 03/01/2023] [Indexed: 03/06/2023] Open
Abstract
Melanoma is the most aggressive and metastasis-prone form of skin cancer. Conventional therapies include chemotherapeutic agents, either as small molecules or carried by FDA-approved nanostructures. However, systemic toxicity and side effects still remain as major drawbacks. With the advancement of nanomedicine, new delivery strategies emerge at a regular pace, aiming to overcome these challenges. Stimulus-responsive drug delivery systems might considerably reduce systemic toxicity and side-effects by limiting drug release to the affected area. Herein, we report the development of paclitaxel-loaded lipid-coated manganese ferrite magnetic nanoparticles (PTX-LMNP) as magnetosomes synthetic analogs, envisaging the combined chemo-magnetic hyperthermia treatment of melanoma. PTX-LMNP physicochemical properties were verified, including their shape, size, crystallinity, FTIR spectrum, magnetization profile, and temperature profile under magnetic hyperthermia (MHT). Their diffusion in porcine ear skin (a model for human skin) was investigated after intradermal administration via fluorescence microscopy. Cumulative PTX release kinetics under different temperatures, either preceded or not by MHT, were assessed. Intrinsic cytotoxicity against B16F10 cells was determined via neutral red uptake assay after 48 h of incubation (long-term assay), as well as B16F10 cells viability after 1 h of incubation (short-term assay), followed by MHT. PTX-LMNP-mediated MHT triggers PTX release, allowing its thermal-modulated local delivery to diseased sites, within short timeframes. Moreover, half-maximal PTX inhibitory concentration (IC50) could be significantly reduced relatively to free PTX (142,500×) and Taxol® (340×). Therefore, the dual chemo-MHT therapy mediated by intratumorally injected PTX-LMNP stands out as a promising alternative to efficiently deliver PTX to melanoma cells, consequently reducing systemic side effects commonly associated with conventional chemotherapies.
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Kim S, Kim SA, Nam GH, Hong Y, Kim GB, Choi Y, Lee S, Cho Y, Kwon M, Jeong C, Kim S, Kim IS. In situ immunogenic clearance induced by a combination of photodynamic therapy and rho-kinase inhibition sensitizes immune checkpoint blockade response to elicit systemic antitumor immunity against intraocular melanoma and its metastasis. J Immunother Cancer 2021; 9:jitc-2020-001481. [PMID: 33479026 PMCID: PMC7825261 DOI: 10.1136/jitc-2020-001481] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/11/2020] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Uveal melanoma (UM) is the most frequent intraocular malignancy and is resistant to immunotherapy. Nearly 50% of patients with UM develop metastatic disease, and the overall survival outcome remains very poor. Therefore, a treatment regimen that simultaneously targets primary UM and prevents metastasis is needed. Here, we suggest an immunotherapeutic strategy for UM involving a combination of local photodynamic therapy (PDT), rho-kinase (ROCK) inhibitor, and PD-1/PD-L1 immune checkpoint blockade. METHODS The antitumor efficacy and immune response of monotreatment or combinational treatment were evaluated in B16F10-bearing syngeneic mouse models. Abscopal antitumor immune responses induced by triple-combinational treatment were validated in syngeneic bilateral B16F10 models. After each treatment, the immune profiles and functional examinations were assessed in tumors and tumor draining lymph nodes by flow cytometry, ELISA, and immunofluorescence assays. In orthotopic intraocular melanoma models, the location of the immune infiltrate in the tumor microenvironment (TME) was evaluated after each treatment by multiplex immunohistochemistry and metastatic nodules were monitored. RESULTS PDT with Ce6-embedded nanophotosensitizer (FIC-PDT) elicited immunogenic cell death and stimulated antigen-presenting cells. In situ immunogenic clearance induced by a combination of FIC-PDT with ripasudil, a clinically approved ROCK inhibitor, stimulated antigen-presenting cells, which in turn primed tumor-specific cytotoxic T cells. Moreover, local immunogenic clearance sensitized PD-1/PD-L1 immune checkpoint blockade responses to reconstruct the TME immune phenotypes of cold tumors into hot tumors, resulting in recruitment of robust cytotoxic CD8+ T cells in the TME, propagation of systemic antitumor immunity to mediate abscopal effects, and prolonged survival. In an immune-privileged orthotopic intraocular melanoma model, even low-dose FIC-PDT and ripasudil combined with anti-PD-L1 antibody reduced the primary tumor burden and prevented metastasis. CONCLUSIONS A combination of localized FIC-PDT and a ROCK inhibitor exerted a cancer vaccine-like function. Immunogenic clearance led to the trafficking of CD8+ T cells into the primary tumor site and sensitized the immune checkpoint blockade response to evoke systemic antitumor immunity to inhibit metastasis, one of the major challenges in UM therapy. Thus, immunogenic clearance induced by FIC-PDT and ROCK inhibitor combined with anti-PD-L1 antibody could be a potent immunotherapeutic strategy for UM.
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Affiliation(s)
- Seohyun Kim
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, South Korea.,Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, South Korea
| | - Seong A Kim
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, South Korea
| | - Gi-Hoon Nam
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, South Korea
| | - Yeonsun Hong
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, South Korea
| | - Gi Beom Kim
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, South Korea.,Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, South Korea
| | - Yoonjeong Choi
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, South Korea.,Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, South Korea
| | - Seokyoung Lee
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, South Korea
| | - Yuri Cho
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, South Korea.,Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, South Korea
| | - Minsu Kwon
- Otorhinolaryngology-Head and Neck Surgery, Korea University College of Medicine, Korea University Hospital, Seoul, South Korea
| | - Cherlhyun Jeong
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, South Korea.,KHU-KIST Department of Converging Science and Technology, Kyunghee University, Seoul, South Korea
| | - Sehoon Kim
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, South Korea .,Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, South Korea
| | - In-San Kim
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, South Korea .,Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, South Korea
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Pires L, Demidov V, Wilson BC, Salvio AG, Moriyama L, Bagnato VS, Vitkin IA, Kurachi C. Dual-Agent Photodynamic Therapy with Optical Clearing Eradicates Pigmented Melanoma in Preclinical Tumor Models. Cancers (Basel) 2020; 12:cancers12071956. [PMID: 32708501 PMCID: PMC7409296 DOI: 10.3390/cancers12071956] [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: 06/16/2020] [Revised: 07/11/2020] [Accepted: 07/13/2020] [Indexed: 12/17/2022] Open
Abstract
Treatment using light-activated photosensitizers (photodynamic therapy, PDT) has shown limited efficacy in pigmented melanoma, mainly due to the poor penetration of light in this tissue. Here, an optical clearing agent (OCA) was applied topically to a cutaneous melanoma model in mice shortly before PDT to increase the effective treatment depth by reducing the light scattering. This was used together with cellular and vascular-PDT, or a combination of both. The effect on tumor growth was measured by longitudinal ultrasound/photoacoustic imaging in vivo and by immunohistology after sacrifice. In a separate dorsal window chamber tumor model, angiographic optical coherence tomography (OCT) generated 3D tissue microvascular images, enabling direct in vivo assessment of treatment response. The optical clearing had minimal therapeutic effect on the in control, non-pigmented cutaneous melanomas but a statistically significant effect (p < 0.05) in pigmented lesions for both single- and dual-photosensitizer treatment regimes. The latter enabled full-depth eradication of tumor tissue, demonstrated by the absence of S100 and Ki67 immunostaining. These studies are the first to demonstrate complete melanoma response to PDT in an immunocompromised model in vivo, with quantitative assessment of tumor volume and thickness, confirmed by (immuno) histological analyses, and with non-pigmented melanomas used as controls to clarify the critical role of melanin in the PDT response. The results indicate the potential of OCA-enhanced PDT for the treatment of pigmented lesions, including melanoma.
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Affiliation(s)
- Layla Pires
- São Carlos Institute of Physics, University of São Paulo, Sao Carlos-SP 13566-590, Brazil; (L.P.); (L.M.); (V.S.B.); (C.K.)
- Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada; (V.D.); (I.A.V.)
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Valentin Demidov
- Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada; (V.D.); (I.A.V.)
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Brian C. Wilson
- Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada; (V.D.); (I.A.V.)
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
- Correspondence: ; Tel.: +1-416-634-8778
| | | | - Lilian Moriyama
- São Carlos Institute of Physics, University of São Paulo, Sao Carlos-SP 13566-590, Brazil; (L.P.); (L.M.); (V.S.B.); (C.K.)
| | - Vanderlei S. Bagnato
- São Carlos Institute of Physics, University of São Paulo, Sao Carlos-SP 13566-590, Brazil; (L.P.); (L.M.); (V.S.B.); (C.K.)
| | - I. Alex Vitkin
- Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada; (V.D.); (I.A.V.)
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Cristina Kurachi
- São Carlos Institute of Physics, University of São Paulo, Sao Carlos-SP 13566-590, Brazil; (L.P.); (L.M.); (V.S.B.); (C.K.)
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Shi L, Liu P, Wu J, Ma L, Zheng H, Antosh MP, Zhang H, Wang B, Chen W, Wang X. The effectiveness and safety of X-PDT for cutaneous squamous cell carcinoma and melanoma. Nanomedicine (Lond) 2019; 14:2027-2043. [PMID: 31165659 DOI: 10.2217/nnm-2019-0094] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Aim: To clarify the effectiveness and safety of x-ray-activated photodynamic therapy (X-PDT) for cutaneous squamous cell carcinoma (SCC) and melanoma. Materials & methods: Copper-cysteamine nanoparticles were used as a photosensitizer of X-PDT. The dark toxicity and cytotoxicity were studied in vitro. Tumor volume, microvessel density and acute toxicity of mice were evaluated in vivo. Results: Without x-ray irradiation, copper-cysteamine nanoparticles were nontoxic for keratinocyte cells. XL50 cells (SCC) were more sensitive to X-PDT than B16F10 cells (melanoma). X-PDT successfully inhibited the growth of SCC in vivo (p < 0.05), while the B16F10 melanoma was resistant. Microvessel density in SCC tissue was remarkably reduced (p < 0.05). No obvious acute toxicity reaction was observed. Conclusion: X-PDT is a safe and effective treatment for SCC.
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Affiliation(s)
- Lei Shi
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, 200443, PR China
| | - Pei Liu
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, 200443, PR China
| | - Jing Wu
- Department of Computer Science & Statistics, University of Rhode Island, 9 Greenhouse Rd, Kingston, RI 02881, USA
| | - Lun Ma
- Department of Physics, the University of Texas at Arlington, Arlington, TX 76019-0059, USA
| | - Han Zheng
- Department of Physics, the University of Texas at Arlington, Arlington, TX 76019-0059, USA
| | - Michael P Antosh
- Physics Department, University of Rhode Island, 2 Lippitt Rd, Kingston, RI 02881, USA.,Institute for Brain & Neural Systems, Brown University, 184 Hope St, Providence, RI 02912, USA
| | - Haiyan Zhang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, 200443, PR China
| | - Bo Wang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, 200443, PR China
| | - Wei Chen
- Department of Physics, the University of Texas at Arlington, Arlington, TX 76019-0059, USA
| | - Xiuli Wang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, 200443, PR China
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Lui JW, Xiao S, Ogomori K, Hammarstedt JE, Little EC, Lang D. The Efficiency of Verteporfin as a Therapeutic Option in Pre-Clinical Models of Melanoma. J Cancer 2019; 10:1-10. [PMID: 30662519 PMCID: PMC6329844 DOI: 10.7150/jca.27472] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 10/23/2018] [Indexed: 12/25/2022] Open
Abstract
Yes Associated Protein 1 (YAP) and Transcriptional coactivator with PDZ-Binding Motif (TAZ) have gained notoriety for their ability to drive tumor initiation and progression in a wide variety of cancers, including melanoma. YAP and TAZ act as drivers of melanoma through its interaction with the TEAD family of transcription factors. Verteporfin is a benzoporphyrin derivative that is used clinically for photodynamic treatment of macular degeneration. Recently it has emerged as a potential inhibitor of YAP/TAZ-TEAD interaction independent of light activation. In this study we determine if verteporfin has clinical potential by testing this compound on human melanoma cell cultures and in a clinically significant mouse model, BrafCA; Tyr-CreERT2; Ptenf/f, which parallels human melanoma in terms of disease progression, genetics, and histopathology. In culture, Verteporfin treatment induces a rapid drop in YAP and TAZ protein levels and cell numbers. In the transgenic model, utilizing drug levels that correspond to previously determined safe doses in human patients and with a dosing regimen calculated in this study, Verteporfin did not inhibit melanoma initiation or progression in comparison to mock treated controls. Taken together, our study suggests that although Verteporfin induces YAP/TAZ degradation in melanoma cell lines, Verteporfin was not effective as a YAP/TAZ-TEAD specific inhibitor of melanoma in our studies that aimed to mimic conditions found in clinic in terms of treatment regimen and disease model.
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Affiliation(s)
- Jason W Lui
- Committee on Development, Regeneration, and Stem Cell Biology, University of Chicago, Chicago, Illinois, U.S.A.,Section of Dermatology, University of Chicago, Chicago, Illinois, U.S.A.,Department of Dermatology, Boston University, Boston, Massachusetts, U.S.A
| | - Sixia Xiao
- Section of Dermatology, University of Chicago, Chicago, Illinois, U.S.A
| | - Kelsey Ogomori
- Section of Dermatology, University of Chicago, Chicago, Illinois, U.S.A
| | - Jon E Hammarstedt
- Department of Orthopaedic Surgery, Allegheny General Hospital, Pittsburgh, Pennsylvania, U.S.A
| | | | - Deborah Lang
- Department of Dermatology, Boston University, Boston, Massachusetts, U.S.A
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Ragone F, Saavedra HHM, García PF, Wolcan E, Argüello GA, Ruiz GT. Association studies to transporting proteins of fac-Re I(CO) 3(pterin)(H 2O) complex. J Biol Inorg Chem 2016; 22:99-108. [PMID: 27815627 DOI: 10.1007/s00775-016-1410-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 10/26/2016] [Indexed: 11/29/2022]
Abstract
A new synthetic route to acquire the water soluble complex fac-ReI(CO)3(pterin)(H2O) was carried out in aqueous solution. The complex has been obtained with success via the fac-[ReI(CO)3(H2O)3]Cl precursor complex. ReI(CO)3(pterin)(H2O) has been found to bind strongly with bovine and human serum albumins (BSA and HSA) with intrinsic-binding constants, Kb, of 6.5 × 105 M-1 and 5.6 × 105 M-1 at 310 K, respectively. The interactions of serum albumins with ReI(CO)3(pterin)(H2O) were evaluated employing UV-vis fluorescence and absorption spectroscopy and circular dichroism. The results suggest that the serum albumins-ReI(CO)3(pterin)(H2O) interactions occurred in the domain IIA-binding pocket without loss of helical stability of the proteins. The comparison of the fluorescence quenching of BSA and HSA due to the binding to the Re(I) complex suggested that local interaction around the Trp 214 residue had taken place. The analysis of the thermodynamic parameters ΔG0, ΔH0, and ΔS0 indicated that the hydrophobic interactions played a major role in both HSA-Re(I) and BSA-Re(I) association processes. All these experimental results suggest that these proteins can be considered as good carriers for transportation of ReI(CO)3(pterin)(H2O) complex. This is of significant importance in relation to the use of this Re(I) complex in several biomedical fields, such as photodynamic therapy and radiopharmacy.
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Affiliation(s)
- Fabricio Ragone
- INIFTA, UNLP, (CCT La Plata-CONICET), Diag. 113 y 64, C.C. 16, Suc. 4, B1906ZAA, La Plata, Argentina
| | | | - Pablo F García
- INFIQC-CONICET, Dpto. de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Ezequiel Wolcan
- INIFTA, UNLP, (CCT La Plata-CONICET), Diag. 113 y 64, C.C. 16, Suc. 4, B1906ZAA, La Plata, Argentina
| | - Gerardo A Argüello
- INFIQC-CONICET, Dpto. de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Gustavo T Ruiz
- INIFTA, UNLP, (CCT La Plata-CONICET), Diag. 113 y 64, C.C. 16, Suc. 4, B1906ZAA, La Plata, Argentina.
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10
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Melanogenesis and DNA damage following photodynamic therapy in melanoma with two meso-substituted porphyrins. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2016; 161:402-10. [DOI: 10.1016/j.jphotobiol.2016.06.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 06/06/2016] [Accepted: 06/07/2016] [Indexed: 12/31/2022]
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McEwan C, Nesbitt H, Nicholas D, Kavanagh ON, McKenna K, Loan P, Jack IG, McHale AP, Callan JF. Comparing the efficacy of photodynamic and sonodynamic therapy in non-melanoma and melanoma skin cancer. Bioorg Med Chem 2016; 24:3023-3028. [PMID: 27234890 DOI: 10.1016/j.bmc.2016.05.015] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 04/08/2016] [Accepted: 05/11/2016] [Indexed: 12/20/2022]
Abstract
Sonodynamic therapy (SDT) involves the activation of a non-toxic sensitiser drug using low-intensity ultrasound to produce cytotoxic reactive oxygen species (ROS). Given the low tissue attenuation of ultrasound, SDT provides a significant benefit over the more established photodynamic therapy (PDT) as it enables activation of sensitisers at a greater depth within human tissue. In this manuscript, we compare the efficacy of aminolevulinic acid (ALA) mediated PDT and SDT in a squamous cell carcinoma (A431) cell line as well as the ability of these treatments to reduce the size of A431 ectopic tumours in mice. Similarly, the relative cytotoxic ability of Rose Bengal mediated PDT and SDT was investigated in a B16-melanoma cell line and also in a B16 ectopic tumour model. The results reveal no statistically significant difference in efficacy between ALA mediated PDT or SDT in the non-melanoma model while Rose Bengal mediated SDT was significantly more efficacious than PDT in the melanoma model. This difference in efficacy was, at least in part, attributed to the dark pigmentation of the melanoma cells that effectively filtered the excitation light preventing it from activating the sensitiser while the use of ultrasound circumvented this problem. These results suggest SDT may provide a better outcome than PDT when treating highly pigmented cancerous skin lesions.
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Affiliation(s)
- Conor McEwan
- Biomedical Sciences Research Institute, University of Ulster, Coleraine, Northern Ireland BT52 1SA, UK
| | - Heather Nesbitt
- Biomedical Sciences Research Institute, University of Ulster, Coleraine, Northern Ireland BT52 1SA, UK
| | - Dean Nicholas
- Biomedical Sciences Research Institute, University of Ulster, Coleraine, Northern Ireland BT52 1SA, UK
| | - Oisin N Kavanagh
- Biomedical Sciences Research Institute, University of Ulster, Coleraine, Northern Ireland BT52 1SA, UK
| | - Kevin McKenna
- Department of Dermatology, Belfast City Hospital, Belfast, Northern Ireland BT9 7AB, UK
| | - Philip Loan
- Regional Medical Physics Service, Forster Green Hospital, 110 Saintfield Road, Belfast BT8 8HD, UK
| | - Iain G Jack
- Biomedical Sciences Research Institute, University of Ulster, Coleraine, Northern Ireland BT52 1SA, UK
| | - Anthony P McHale
- Biomedical Sciences Research Institute, University of Ulster, Coleraine, Northern Ireland BT52 1SA, UK.
| | - John F Callan
- Biomedical Sciences Research Institute, University of Ulster, Coleraine, Northern Ireland BT52 1SA, UK.
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Baldea I, Olteanu DE, Bolfa P, Ion RM, Decea N, Cenariu M, Banciu M, Sesarman AV, Filip AG. Efficiency of photodynamic therapy on WM35 melanoma with synthetic porphyrins: Role of chemical structure, intracellular targeting and antioxidant defense. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2015; 151:142-52. [DOI: 10.1016/j.jphotobiol.2015.07.019] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Revised: 07/23/2015] [Accepted: 07/28/2015] [Indexed: 01/10/2023]
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13
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Baldea I, Ion RM, Olteanu DE, Nenu I, Tudor D, Filip AG. Photodynamic therapy of melanoma using new, synthetic porphyrins and phthalocyanines as photosensitisers - a comparative study. ACTA ACUST UNITED AC 2015; 88:175-80. [PMID: 26528068 PMCID: PMC4576792 DOI: 10.15386/cjmed-419] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Revised: 03/20/2015] [Accepted: 03/21/2015] [Indexed: 01/06/2023]
Abstract
Melanoma, a cancer that arises from melanocytes, is one of the most unresponsive cancers to known therapies and has a tendency to produce early metastases. Several studies showed encouraging results of the efficacy of photodynamic therapy (PDT) in melanoma, in different experimental settings in vitro and in vivo, as well as several clinical reports.
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Affiliation(s)
- Ioana Baldea
- Department of Physiology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Rodica-Mariana Ion
- National Institute for Research & Development in Chemistry and Petrochemistry-ICECHIM, Nanomedicine Research Group, Bucharest, Romania ; Materials Engineering Department, Valahia University, Targoviste, Romania
| | - Diana Elena Olteanu
- Department of Physiology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Iuliana Nenu
- Department of Physiology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Diana Tudor
- Department of Physiology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Adriana Gabriela Filip
- Department of Physiology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
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Sharma SK, Huang YY, Hamblin MR. Melanoma Resistance to Photodynamic Therapy. RESISTANCE TO TARGETED ANTI-CANCER THERAPEUTICS 2015. [DOI: 10.1007/978-3-319-12730-9_11] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Huang YY, Vecchio D, Avci P, Yin R, Garcia-Diaz M, Hamblin MR. Melanoma resistance to photodynamic therapy: new insights. Biol Chem 2014; 394:239-50. [PMID: 23152406 DOI: 10.1515/hsz-2012-0228] [Citation(s) in RCA: 96] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Accepted: 11/06/2012] [Indexed: 01/11/2023]
Abstract
Melanoma is the most dangerous form of skin cancer, with a steeply rising incidence and a poor prognosis in its advanced stages. Melanoma is highly resistant to traditional chemotherapy and radiotherapy, although modern targeted therapies such as BRAF inhibitors are showing some promise. Photodynamic therapy (PDT, the combination of photosensitizing dyes and visible light) has been tested in the treatment of melanoma with some promising results, but melanoma is generally considered to be resistant to it. Optical interference by the highly-pigmented melanin, the antioxidant effect of melanin, the sequestration of photosensitizers inside melanosomes, defects in apoptotic pathways, and the efflux of photosensitizers by ATP-binding cassette transporters have all been implicated in melanoma resistance to PDT. Approaches to overcoming melanoma resistance to PDT include: the discovery of highly active photosensitizers absorbing in the 700-800-nm near infrared spectral region; interventions that can temporarily reduce the amount or pigmentation of the melanin; compounds that can reverse apoptotic defects or inhibit drug-efflux of photosensitizers; and immunotherapy approaches that can take advantage of the ability of PDT to activate the host immune system against the tumor being treated.
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Affiliation(s)
- Ying-Ying Huang
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA 02114, USA
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16
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Photophysical characterisation and studies of the effect of palladium(II) 5,10,15,20-tetrakis-(4-sulfonatophenyl)-porphyrin on isometric contraction of isolated human mesenteric artery: Good news for photodynamic therapy. Photodiagnosis Photodyn Ther 2014; 11:391-9. [DOI: 10.1016/j.pdpdt.2014.06.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 05/29/2014] [Accepted: 06/02/2014] [Indexed: 01/16/2023]
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Jung Y, Nichols AJ, Klein OJ, Roussakis E, Evans CL. Label-Free, Longitudinal Visualization of PDT Response In Vitro with Optical Coherence Tomography. Isr J Chem 2012; 52:728-744. [PMID: 23316088 PMCID: PMC3538822 DOI: 10.1002/ijch.201200009] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A major challenge in creating and optimizing therapeutics in the fight against cancer is visualizing and understanding the microscale spatiotemporal treatment response dynamics that occur in patients. This is especially true for photodynamic therapy (PDT), where therapeutic optimization relies on understanding the interplay between factors such as photosensitizer localization and uptake, in addition to light dose and delivery rate. In vitro 3D culture systems that recapitulate many of the biological features of human disease are powerful platforms for carrying out detailed studies on PDT response and resistance. Current techniques for visualizing these models, however, often lack accuracy due to the perturbative nature of the sample preparation, with light attenuation complicating the study of intact models. Optical coherence tomography (OCT) is an ideal method for the long-term, non-perturbative study of in vitro models and their response to PDT. Monitoring the response of 3D models to PDT by time-lapse OCT methods promises to provide new perspectives and open the way to cancer treatment methodologies that can be translated towards the clinic.
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Affiliation(s)
- Yookyung Jung
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts (USA)
| | - Alexander J. Nichols
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts (USA)
- Harvard University, Program in Biophysics, Cambridge, Massachusetts (USA)
- Harvard-MIT Division of Health Sciences and Technology, Cambridge, Massachusetts (USA)
| | - Oliver J. Klein
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts (USA)
| | - Emmanuel Roussakis
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts (USA)
| | - Conor L. Evans
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts (USA)
- Harvard University, Program in Biophysics, Cambridge, Massachusetts (USA)
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Abstract
BACKGROUND Photodynamic therapy (PDT) has been used occasionally as an alternative treatment for uveal melanomas. The present study describes the clinical and histopathologic features of five choroidal melanomas after PDT. METHODS Three patients with pigmented choroidal melanomas were treated with PDT and intravitreal bevacizumab 1 week before undergoing biopsy and brachytherapy to minimize the risks of bleeding during the biopsy. Another two patients received PDT as a primary treatment for peripapillary amelanotic melanomas, one of them also in combination with bevacizumab. RESULTS The tumors treated with PDT and bevacizumab showed a marked reduction in tumor vascularity assessed by indocyanine angiography, and the biopsies were conducted without recognizable bleeding, showing viable tumor cells. The tumors receiving PDT as a primary treatment were followed by progressive tumor growth that led to enucleation years after. The histopathology revealed overlying fibrosis with invasion of sclera and optic nerve. CONCLUSION Photodynamic therapy and bevacizumab can induce closure of the superficial vasculature of a pigmented choroidal melanoma, but in none of our cases, there was evidence of tumor destruction from this treatment. Preoperative PDT may be useful to reduce the potential of bleeding at the time of tumor biopsy. Our cases do not support the use of a single session of PDT as a primary treatment for pigmented small choroidal melanomas.
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Dabrowski JM, Arnaut LG, Pereira MM, Monteiro CJP, Urbańska K, Simões S, Stochel G. New halogenated water-soluble chlorin and bacteriochlorin as photostable PDT sensitizers: synthesis, spectroscopy, photophysics, and in vitro photosensitizing efficacy. ChemMedChem 2011; 5:1770-80. [PMID: 20715283 DOI: 10.1002/cmdc.201000223] [Citation(s) in RCA: 85] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Chlorin and bacteriochlorin derivatives of 5,10,15,20-tetrakis(2-chloro-5-sulfophenyl)porphyrin have intense absorptions in the phototherapeutic window, high water solubility, high photostability, low fluorescence quantum yield, long triplet lifetimes, and high singlet oxygen quantum yields. Biological studies revealed their negligible dark cytotoxicity, yet significant photodynamic effect against A549 (human lung adenocarcinoma), MCF7 (human breast carcinoma) and SK-MEL-188 (human melanoma) cell lines upon red light irradiation (cutoff λ<600 nm) at low light doses. Time-dependent cellular accumulation of the chlorinated sulfonated chlorin reached a plateau at 2 h, as previously observed for the related porphyrin. However, the optimal incubation time for the bacteriochlorin derivative was significantly longer (12 h). The spectroscopic, photophysical, and biological properties of the compounds are discussed in relevance to their PDT activity, leading to the conclusion that the bacteriochlorin derivative is a promising candidate for future in vivo experiments.
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Mroz P, Huang YY, Szokalska A, Zhiyentayev T, Janjua S, Nifli AP, Sherwood ME, Ruzié C, Borbas KE, Fan D, Krayer M, Balasubramanian T, Yang E, Kee HL, Kirmaier C, Diers JR, Bocian DF, Holten D, Lindsey JS, Hamblin MR. Stable synthetic bacteriochlorins overcome the resistance of melanoma to photodynamic therapy. FASEB J 2010; 24:3160-70. [PMID: 20385618 DOI: 10.1096/fj.09-152587] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Cutaneous malignant melanoma remains a therapeutic challenge, and patients with advanced disease have limited survival. Photodynamic therapy (PDT) has been successfully used to treat many malignancies, and it may show promise as an antimelanoma modality. However, high melanin levels in melanomas can adversely affect PDT effectiveness. Herein the extent of melanin contribution to melanoma resistance to PDT was investigated in a set of melanoma cell lines that markedly differ in the levels of pigmentation; 3 new bacteriochlorins successfully overcame the resistance. Cell killing studies determined that bacteriochlorins are superior at (LD(50) approximately 0.1 microM) when compared with controls such as the FDA-approved Photofrin (LD(50) approximately 10 microM) and clinically tested LuTex (LD(50) approximately 1 microM). The melanin content affects PDT effectiveness, but the degree of reduction is significantly lower for bacteriochlorins than for Photofrin. Microscopy reveals that the least effective bacteriochlorin localizes predominantly in lysosomes, while the most effective one preferentially accumulates in mitochondria. Interestingly all bacteriochlorins accumulate in melanosomes, and subsequent illumination leads to melanosomal damage shown by electron microscopy. Fluorescent probes show that the most effective bacteriochlorin produces significantly higher levels of hydroxyl radicals, and this is consistent with the redox properties suggested by molecular-orbital calculations. The best in vitro performing bacteriochlorin was tested in vivo in a mouse melanoma model using spectrally resolved fluorescence imaging and provided significant survival advantage with 20% of cures (P<0.01).
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Affiliation(s)
- Pawel Mroz
- Wellman Center for Photomedicine, Massachusetts General Hospital, 40 Blossom St., Boston, MA 02114, USA
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21
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Nowak-Sliwinska P, Karocki A, Elas M, Pawlak A, Stochel G, Urbanska K. Verteporfin, photofrin II, and merocyanine 540 as PDT photosensitizers against melanoma cells. Biochem Biophys Res Commun 2006; 349:549-55. [PMID: 16945338 DOI: 10.1016/j.bbrc.2006.08.060] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2006] [Accepted: 08/13/2006] [Indexed: 11/21/2022]
Abstract
The efficiency of photodynamic effect (PDE) for Photofrin II (PfII), Verteporfin, and Merocyanine 540 (MC540) was compared against neoplastic cells. Triplet state lifetimes and singlet molecular oxygen quantum yields were correlated with biological effect. PfII triplet lifetime was two times longer than that of Verteporfin, however, its singlet molecular oxygen quantum yield was two times lower in comparison with Verteporfin. High singlet molecular oxygen quantum yield of Verteporfin resulted in high biological efficacy. To achieve 50% mortality of cells four times lower light dose and five times lower concentration of Verteporfin were applied in comparison with PfII. The same level of cell damage was reached using 10 times higher light dose and two times higher concentration of MC540 in comparison with PfII. Our results confirm that singlet molecular oxygen based mechanism, prevalent for Verteporfin and PfII, was highly effective against melanoma cells. Verteporfin can be used at small doses with high cellular damage efficiency.
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Affiliation(s)
- Patrycja Nowak-Sliwinska
- Department of Biophysics, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-387 Krakow, Poland
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Abstract
INTRODUCTION Photodynamic Therapy (PDT) is an emerging treatment for a variety of conditions including ocular and extra ocular diseases. The porphyrins have been used extensively, as dyes, which are laser-activated to achieve desired clinical effects. Commonly used agents are verteporfin and porfimer sodium. METHODS We performed a literature search of the PubMed database using the medical search headings: photodynamic therapy, photosensitizer verteporfin, visudyne, porfimer sodium and photofrin. We also performed a manual search using references from these articles, review articles and manufacturers' product monographs. RESULTS Verteporfin and porfimer sodium are commonly used photosensitizing agents with their wide applications in different fields of medicine. Both have well established safety profiles. They are most commonly used in wet age-related macular degeneration, gastrointestinal diseases and bronchial cancers. CONCLUSION PDT is a well established treatment entity in ophthalmology and other medical fields. In ophthalmology, it has rekindled interest and hopes in the common yet sight-threatening problem of age-related macular degeneration (AMD). This problem is still considered to be a serious issue as far as management is concerned. However in selective cases of AMD, it has shown success in restoring sight, especially in the 'classic' form of the disease. PDT is also being used to treat a range of solid cancers and non malignant conditions
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Affiliation(s)
- M A Awan
- Wolverhampton Eye Infirmary, Wolverhampton, UK.
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23
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Osaki T, Hoshino S, Hoshino Y, Takagi S, Okumura M, Kadosawa T, Fujinaga T. Clinical pharmacokinetics of anti-angiogenic photodynamic therapy with benzoporphyrin derivative monoacid ring-A in dogs having naturally occurring neoplasms. ACTA ACUST UNITED AC 2006; 53:108-12. [PMID: 16466464 DOI: 10.1111/j.1439-0442.2006.00802.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The aim of this study was to examine the pharmacokinetics of clinically applied benzoporphyrin derivative monoacid ring-A (BPD-MA; Verteporfin), a second-generation photosensitizer, during a trial of photodynamic therapy (PDT) in nine dogs having naturally occurring neoplasms. After injecting BPD-MA at 0.5 mg/kg intravenously, its mean half-life (t1/2) was found to be 8.14 +/- 5.34 h, mean clearance (Cl) 35.13 +/- 9.62 ml/(h kg), the mean value of the volume of distribution (Vc) 0.08 +/- 0.01 l/kg and the mean steady state volume of distribution (Vss) 0.38 +/- 0.31 l/kg respectively. With the exception of a transitional increase in serum alkaline phosphatase activity, no other clinical abnormalities were observed. The t1/2 in dogs with naturally occurring tumours was longer than that in humans, but similar to that in rats. The values of Cl and Vss in dogs having naturally occurring neoplasms were lower than those in humans. It is suggested that the pharmacokinetics of BPD-MA in tumour-bearing dogs would be helpful in determining the protocol of a short drug-light interval PDT with BPD-MA that mainly targets the tumour vasculature.
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Affiliation(s)
- T Osaki
- Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060 0818, Hokkaido, Japan.
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Abstract
This review outlines the applications of liposomal formulations in ophthalmology. In ophthalmology, liposomes have been used to treat disorders of both the anterior and posterior segments. These include dry eyes, keratitis, corneal transplant rejection, uveitis, endophthalmitis, and proliferative vitreoretinopathy. Liposomes also have shown promise as vectors for genetic transfection and monoclonal antibody-directed vehicles. Furthermore, heat-activated liposomes have spurred research in focal laser and heat-induced release of liposomal drugs and dyes for selective drug delivery. These techniques have been useful in selective tumor and neovascular vessel occlusion, angiography, and retinal and choroidal blood-flow studies. Although verteporfin is the only liposomal drug currently approved for use in the eye, the benefits of liposomes will likely be applied widely in all treatment, diagnostic, and research aspects of ophthalmology in the future.
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Affiliation(s)
- Shehab Ebrahim
- Department of Ophthalmology, Tulane University Health Sciences Center, New Orleans, LA 70112, USA
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Konan-Kouakou YN, Boch R, Gurny R, Allémann E. In vitro and in vivo activities of verteporfin-loaded nanoparticles. J Control Release 2005; 103:83-91. [PMID: 15710502 DOI: 10.1016/j.jconrel.2004.11.023] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2004] [Revised: 11/02/2004] [Accepted: 11/22/2004] [Indexed: 11/23/2022]
Abstract
The main goal of this study was to develop a dispersed polymeric drug delivery system for verteporfin, suitable for intravenous administration and capable of improving its phototherapeutic index and minimizing the side effects. To achieve this objective, two types of verteporfin-loaded nanoparticles (167 and 370 nm in diameter) based on poly(D,L-lactide-co-glycolide) were prepared using the salting-out technique and were first tested on EMT-6 mammary tumor cells in comparison with an aqueous solution (DMSO/PBS). It was observed that small nanoparticles exhibited greater photocytotoxicity compared to large nanoparticles or DMSO/PBS, and the photocytotoxic efficiency was graded as small nanoparticles>DMSO/PBS>large nanoparticles. Furthermore, verteporfin, entrapped into small nanoparticles transferred to serum proteins more rapidly than when dissolved in DMSO/PBS. Drug clearance, measured by skin phototoxicity investigated in mice exposed to simulated sunlight 15 to 150 min after the injection of small nanoparticles was modest at early light exposure times with the small nanoparticles and diminished rapidly with later exposure times. Tumor bioassay results indicated that verteporfin incorporated into small nanoparticles effectively controlled tumor growth for 20 days in mice with early light irradiation times following drug administration.
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Affiliation(s)
- Y N Konan-Kouakou
- School of Pharmacy, University of Geneva, 30, quai E. Ansermet, CH-1211 Geneva 4, Switzerland
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Ichikawa K, Takeuchi Y, Yonezawa S, Hikita T, Kurohane K, Namba Y, Oku N. Antiangiogenic photodynamic therapy (PDT) using Visudyne causes effective suppression of tumor growth. Cancer Lett 2004; 205:39-48. [PMID: 15036659 DOI: 10.1016/j.canlet.2003.10.001] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2003] [Revised: 10/02/2003] [Accepted: 10/02/2003] [Indexed: 11/21/2022]
Abstract
We previously observed that antiangiogenic photodynamic therapy (PDT), namely, laser irradiation at 15 min after administration of photosensitizer, by using stable liposomal benzoporphyrin derivative monoacid ring A (BPD-MA), in which the liposomes were composed of dipalmitoylphosphatidylcholine, palmitoyloleoylphosphatidylcholine, cholesterol, and dipalmitoylphosphatidylglycerol (10:10:10:2.5 as a molar ratio), was quite effective for cancer treatment. On the other hand, Visudyne, a commercialized liposomal formulation of BPD-MA, is based on more fluid lipids, namely, dimyristoylphosphatidylcholine and egg yolk phosphatidylglycerol, and is thought to be less stable in the presence of serum. The data of spin column chromatography indicated a little faster transfer of BPD-MA from Visudyne to lipoprotein fraction when Visudyne was incubated with serum than when the stable liposomal BPD-MA was used. The phototoxicity of Visudyne against a human endothelial cell line, ECV304, was almost the same as that of stable liposomal BPD-MA after PDT treatment. Therefore, we examined the antiangiogenic scheduling of PDT with Visudyne. Tumor growth of Meth-A sarcoma-bearing mice was strongly suppressed when the antiangiogenic scheduling was performed with Visudyne, namely, irradiation at 15 min after injection of the drug, in comparison with the conventional scheduling in which laser irradiation is done at 3 h post-injection. This greater effectiveness of PDT at 15 min was suggested to be caused by hemostasis, based on observations made in a dorsal air sac angiogenesis model. Visudyne-mediated antiangiogenic PDT cured 40 or 60% of Meth-A-bearing mice completely when 0.25 or 0.5 mg/kg BPD-MA, respectively, was used. These data suggest that the antiangiogenic scheduling is effective in Visudyne-mediated cancer PDT despite the transferring of BPD-MA from the liposomal fraction to lipoproteins in the bloodstream.
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Affiliation(s)
- Kanae Ichikawa
- Department of Medical Biochemistry and COE Program in the 21st Century, School of Pharmaceutical Sciences, University of Shizuoka, Yada, Shizuoka 422-8526, Japan
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Juzenas P, Juzeniene A, Stakland S, Iani V, Moan J. Photosensitizing effect of protoporphyrin IX in pigmented melanoma of mice. Biochem Biophys Res Commun 2002; 297:468-72. [PMID: 12270116 DOI: 10.1016/s0006-291x(02)02238-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
No fluorescence of protoporphyrin IX (PpIX) was measured using a fiber optic probe in pigmented B16F10 melanoma in mice after topical application of 5-aminolevulinic acid methylester (ALA-Me). However, chemical extraction of tissues excised from mice after intratumoral administration of ALA-Me or its parent compound ALA revealed that this tumor had the capability to produce PpIX. Small amounts of endogenous porphyrins, mainly PpIX, were found in the melanoma not treated with these drugs. Topical application of ALA-Me followed by exposure with laser light (633nm) delayed the growth of the tumors slightly. Light alone also had a significant effect on the tumor growth.
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Affiliation(s)
- Petras Juzenas
- Department of Biophysics, Institute for Cancer Research, The Norwegian Radium Hospital, NO-0310 Montebello, Oslo, Norway.
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Panjehpour M, DeNovo RC, Petersen MG, Overholt BF, Bower R, Rubinchik V, Kelly B. Photodynamic therapy using Verteporfin (benzoporphyrin derivative monoacid ring A, BPD-MA) and 630 nm laser light in canine esophagus. Lasers Surg Med 2002; 30:26-30. [PMID: 11857600 DOI: 10.1002/lsm.10014] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND AND OBJECTIVE Verteporfin is a new photosensitizer with short-term skin photosensitivity. The objective of this preclinical study was to find the light dose that effectively ablates canine esophageal mucosa when delivered 30 minutes after Verteporfin injection. STUDY DESIGN/MATERIALS AND METHODS Verteporfin was administered intravenously (0.75 mg/kg). 630 nm light from KTP/Dye laser was delivered using an esophageal Photodynamic therapy (PDT) balloon. In Phase I study, animals were treated 30 minutes after drug injection using 40, 60, and 80 J/cm to find the desired light dose. Using results from phase I and application of reciprocity principle (light dose vs. plasma concentration of drug), additional light doses were calculated for delivery at other times. In phase II, animals were treated at 15, 60, and 120 minutes, using the calculated light doses of 60, 145, and 200 J/cm, respectively. Animals were followed for 2 days to 4 weeks. RESULTS In Phase I, 80 J/cm at 30 minutes induced total mucosal ablation. In Phase II, light doses of 60, 145, and 200 J/cm induced similar mucosal injuries when delivered at 15, 60, and 120 minutes, respectively. CONCLUSIONS Effective mucosal ablation in canine esophagus was achieved using Verteporfin and 630 nm light doses of 60, 80, 145, and 200 J/cm when delivered at 15, 30, 60, and 120 minutes after the drug injection, respectively.
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Affiliation(s)
- Masoud Panjehpour
- Laser Center, Thompson Cancer Survival Center, Knoxville, Tennessee 37916, USA.
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Kurohane K, Tominaga A, Sato K, North JR, Namba Y, Oku N. Photodynamic therapy targeted to tumor-induced angiogenic vessels. Cancer Lett 2001; 167:49-56. [PMID: 11323098 DOI: 10.1016/s0304-3835(01)00475-x] [Citation(s) in RCA: 76] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Cancer photodynamic therapy (PDT) with benzoporphyrin derivative monoacid ring A (BPD-MA, verteporfin) may be effective not only by being directly cytotoxic to tumor cells, but also by being cytotoxic to the endothelium of tumor neovasculature. In the present study, we investigated the effect of PDT with an experimental liposomal formulation of BPD-MA on tumor-induced angiogenic vessels using a murine dorsal air sac model. First, hemostasis of neovasculature was examined by varying the regimen of PDT. Laser irradiation at 15 min after injection of 2 mg/kg liposomal BPD-MA (15 min PDT) caused complete blocking of blood flow in neovasculature. In contrast, PDT did not inhibit blood flow when the irradiation occurred 3 h after the injection of liposomal BPD-MA (3 h PDT). Next, the antitumor effect of PDT on Meth A sarcoma-bearing mice was investigated by using the hemostasis-inducing regimen. Tumor growth was strongly inhibited after the 15 min PDT with BPD-MA at a dose of 0.5-2 mg/kg. In contrast, 3 h PDT with BPD-MA at a dose of 2 mg/kg suppressed tumor growth only partially. The current study indicates that 15 min PDT causes strong suppression of tumor growth, perhaps through damaging endothelial cells in the tumor neovasculature rather than through a direct cytotoxic effect on tumor cells.
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Affiliation(s)
- K Kurohane
- Department of Medical Biochemistry, School of Pharmaceutical Sciences, University of Shizuoka, Yada, 422-8526, Shizuoka, Japan
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