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Manda G, Hinescu ME, Neagoe IV, Ferreira LF, Boscencu R, Vasos P, Basaga SH, Cuadrado A. Emerging Therapeutic Targets in Oncologic Photodynamic Therapy. Curr Pharm Des 2019; 24:5268-5295. [DOI: 10.2174/1381612825666190122163832] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 01/18/2019] [Indexed: 12/20/2022]
Abstract
Background:Reactive oxygen species sustain tumorigenesis and cancer progression through deregulated redox signalling which also sensitizes cancer cells to therapy. Photodynamic therapy (PDT) is a promising anti-cancer therapy based on a provoked singlet oxygen burst, exhibiting a better toxicological profile than chemo- and radiotherapy. Important gaps in the knowledge on underlining molecular mechanisms impede on its translation towards clinical applications.Aims and Methods:The main objective of this review is to critically analyse the knowledge lately gained on therapeutic targets related to redox and inflammatory networks underlining PDT and its outcome in terms of cell death and resistance to therapy. Emerging therapeutic targets and pharmaceutical tools will be documented based on the identified molecular background of PDT.Results:Cellular responses and molecular networks in cancer cells exposed to the PDT-triggered singlet oxygen burst and the associated stresses are analysed using a systems medicine approach, addressing both cell death and repair mechanisms. In the context of immunogenic cell death, therapeutic tools for boosting anti-tumor immunity will be outlined. Finally, the transcription factor NRF2, which is a major coordinator of cytoprotective responses, is presented as a promising pharmacologic target for developing co-therapies designed to increase PDT efficacy.Conclusion:There is an urgent need to perform in-depth molecular investigations in the field of PDT and to correlate them with clinical data through a systems medicine approach for highlighting the complex biological signature of PDT. This will definitely guide translation of PDT to clinic and the development of new therapeutic strategies aimed at improving PDT.
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Affiliation(s)
| | | | | | - Luis F.V. Ferreira
- CQFM-Centro de Fisica Molecular and IN-Institute for Nanosciences and Nanotechnologies and IBB-Institute for Bioengineering and Biosciences, Instituto Superior Tecnico, Universidade de Lisboa, Lisbon, Portugal
| | | | - Paul Vasos
- Research Centre of the University of Bucharest, Bucharest, Romania
| | - Selma H. Basaga
- Molecular Biology Genetics & Program, Faculty of Engineering & Natural Sciences, Sabanci University, Istanbul, Turkey
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52
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Gujrati V, Prakash J, Malekzadeh-Najafabadi J, Stiel A, Klemm U, Mettenleiter G, Aichler M, Walch A, Ntziachristos V. Bioengineered bacterial vesicles as biological nano-heaters for optoacoustic imaging. Nat Commun 2019; 10:1114. [PMID: 30846699 PMCID: PMC6405847 DOI: 10.1038/s41467-019-09034-y] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 02/07/2019] [Indexed: 11/08/2022] Open
Abstract
Advances in genetic engineering have enabled the use of bacterial outer membrane vesicles (OMVs) to deliver vaccines, drugs and immunotherapy agents, as a strategy to circumvent biocompatibility and large-scale production issues associated with synthetic nanomaterials. We investigate bioengineered OMVs for contrast enhancement in optoacoustic (photoacoustic) imaging. We produce OMVs encapsulating biopolymer-melanin (OMVMel) using a bacterial strain expressing a tyrosinase transgene. Our results show that upon near-infrared light irradiation, OMVMel generates strong optoacoustic signals appropriate for imaging applications. In addition, we show that OMVMel builds up intense heat from the absorbed laser energy and mediates photothermal effects both in vitro and in vivo. Using multispectral optoacoustic tomography, we noninvasively monitor the spatio-temporal, tumour-associated OMVMel distribution in vivo. This work points to the use of bioengineered vesicles as potent alternatives to synthetic particles more commonly employed for optoacoustic imaging, with the potential to enable both image enhancement and photothermal applications.
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Affiliation(s)
- Vipul Gujrati
- Chair of Biological Imaging, TranslaTUM, Technische Universität München, Munich, 81675, Germany
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, 85764, Germany
| | - Jaya Prakash
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, 85764, Germany
| | - Jaber Malekzadeh-Najafabadi
- Chair of Biological Imaging, TranslaTUM, Technische Universität München, Munich, 81675, Germany
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, 85764, Germany
| | - Andre Stiel
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, 85764, Germany
| | - Uwe Klemm
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, 85764, Germany
| | - Gabriele Mettenleiter
- Research Unit Analytical Pathology, Helmholtz Zentrum München, Neuherberg, 85764, Germany
| | - Michaela Aichler
- Research Unit Analytical Pathology, Helmholtz Zentrum München, Neuherberg, 85764, Germany
| | - Axel Walch
- Research Unit Analytical Pathology, Helmholtz Zentrum München, Neuherberg, 85764, Germany
| | - Vasilis Ntziachristos
- Chair of Biological Imaging, TranslaTUM, Technische Universität München, Munich, 81675, Germany.
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg, 85764, Germany.
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53
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Garcia-Sampedro A, Tabero A, Mahamed I, Acedo P. Multimodal use of the porphyrin TMPyP: From cancer therapy to antimicrobial applications. J PORPHYR PHTHALOCYA 2019. [DOI: 10.1142/s1088424619500111] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The cationic porphyrin meso-tetra(4-[Formula: see text]-methylpyridyl)porphine (TMPyP) has a high yield of singlet oxygen generation upon light activation and a strong affinity for DNA. These advantageous properties have turned it into a promising photosensitizer for use in photodynamic therapy (PDT). In this review, we have summarized the current state-of-the-art applications of TMPyP for the treatment of cancer as well as its implementation in antimicrobial PDT. The most relevant studies reporting its pharmacokinetics, subcellular localization, mechanism of action, tissue biodistribution and dosimetry are discussed. Combination strategies using TMPyP-PDT together with other photosensitizers and chemotherapeutic agents to achieve synergistic anti-tumor effects and reduce resistance to therapy are also explored. Finally, we have addressed emerging applications of this porphyrin, including nanoparticle-mediated delivery, controlled drug release, biosensing and G-quadruplex stabilization for tumor growth inhibition. Altogether, this work highlights the great potential and versatility that TMPyP can offer in different fields of biomedicine such us cancer treatment or antimicrobial therapy.
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Affiliation(s)
- Andres Garcia-Sampedro
- Institute for Liver and Digestive Health, University College London, Pond Street, NW3 2PG, London, UK
| | - Andrea Tabero
- Departament of Biology, Universidad Autónoma de Madrid, Darwin 2, 28049, Madrid, Spain
| | - Ismahan Mahamed
- Institute for Liver and Digestive Health, University College London, Pond Street, NW3 2PG, London, UK
| | - Pilar Acedo
- Institute for Liver and Digestive Health, University College London, Pond Street, NW3 2PG, London, UK
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54
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Velazquez FN, Miretti M, Baumgartner MT, Caputto BL, Tempesti TC, Prucca CG. Effectiveness of ZnPc and of an amine derivative to inactivate Glioblastoma cells by Photodynamic Therapy: an in vitro comparative study. Sci Rep 2019; 9:3010. [PMID: 30816179 PMCID: PMC6395748 DOI: 10.1038/s41598-019-39390-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Accepted: 01/17/2019] [Indexed: 12/31/2022] Open
Abstract
Glioblastoma multiforme is considered to be one of the most aggressive types of tumors of the central nervous system, with a poor prognosis and short survival periods of ~ one year. The current protocol for glioblastoma treatment includes the surgical excision of the primary tumor followed by radio and chemotherapy. Photodynamic therapy (PDT) is considered a promising strategy for the treatment of several types of tumors. Phthalocyanines (Pcs) are good photosensitizers (PSs) for PDT because they induce cell death in several cellular models. ZnPc (Zn(II)phthalocyanine) is a well-known Pc, extensively tested in different cells and tumor models, but its evaluation on a glioblastoma model has been poorly studied. Herein, we compare the capacity of ZnPc and one of its derivatives, Zn(II)tetraminephthalocyanine (TAZnPc), to photoinactivate glioblastoma cells (T98G, MO59, LN229 and U87-MG) in culture. We measured the cellular uptake, the toxicity in the dark and the subcellular localization of the different Pcs, as well as the clonogenic capacity of surviving cells after PDT. The mechanism of cell death induced after PDT was determined by measuring caspase 3 activation, DNA fragmentation, phosphatidylserine externalization, mitochondrial morphological changes and loss of mitochondrial membrane potential as well as lysosomal membrane integrity. Overall, ZnPc and TAZnPc present good properties to be used as PSs with photoinactivation capacity on glioblastoma cells.
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Affiliation(s)
- Fabiola N Velazquez
- CIQUIBIC (CONICET), Departamento de Química Biológica Ranwel Caputto, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Mariana Miretti
- INFIQC (CONICET), Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Maria T Baumgartner
- INFIQC (CONICET), Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Beatriz L Caputto
- CIQUIBIC (CONICET), Departamento de Química Biológica Ranwel Caputto, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Tomas C Tempesti
- INFIQC (CONICET), Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina.
| | - César G Prucca
- CIQUIBIC (CONICET), Departamento de Química Biológica Ranwel Caputto, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina.
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Wawrzyńczyk D, Bazylińska U, Lamch Ł, Kulbacka J, Szewczyk A, Bednarkiewicz A, Wilk KA, Samoć M. Förster Resonance Energy Transfer-Activated Processes in Smart Nanotheranostics Fabricated in a Sustainable Manner. CHEMSUSCHEM 2019; 12:706-719. [PMID: 30134014 DOI: 10.1002/cssc.201801441] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 07/31/2018] [Indexed: 06/08/2023]
Abstract
Multilayer nanocarriers loaded with optically activated payloads are gaining increasing attention due to their anticipated crucial role for providing new mechanisms of energy transfers in the health-oriented applications, as well as for energy storage and environmental protection. The combination of careful selection of optical components for efficient Förster resonance energy transfer, and surface engineering of the nanocarriers, allowed us to synthesize and characterize novel theranostic nanosystems for diagnosis and therapy of deep-seated tumors. The cargo, constrained within the oil core of the nanocapsules, composed of NaYF4 :Tm+3 , Yb+3 up-converting nanoparticles together with a second-generation porphyrin-based photosensitizing agent-Verteporfin, assured requisite diagnostic and therapeutic functions under near-IR laser excitation. The outer polyaminoacid shell of the nanocapsules was functionalized with a ligand-poly(l-glutamic acid) functionalized by PEG-ylated folic acid-to ensure both a "stealth" effect and active targeting towards human breast cancer cells. The preparation criteria of all nanocarrier building blocks meet the requirements for sustainable and green chemistry practices. The multifunctionality of the proposed nanocarriers is a consequence of both the surface-functionalized organic exterior part, which was accessible for selective accumulation in cancer cells, and the hydrophobic optically active interior, which shows phototoxicity upon irradiation within the first biological window.
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Affiliation(s)
- Dominika Wawrzyńczyk
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wroclaw, Poland
| | - Urszula Bazylińska
- Department of Organic and Pharmaceutical Technology, Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wroclaw, Poland
| | - Łukasz Lamch
- Department of Organic and Pharmaceutical Technology, Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wroclaw, Poland
| | - Julita Kulbacka
- Department of Molecular and Cellular Biology, Faculty of Pharmacy with Division of Laboratory Diagnostics, Medical University of Wrocław, Borowska 211A, 50-556, Wrocław, Poland
| | - Anna Szewczyk
- Department of Molecular and Cellular Biology, Faculty of Pharmacy with Division of Laboratory Diagnostics, Medical University of Wrocław, Borowska 211A, 50-556, Wrocław, Poland
| | | | - Kazimiera A Wilk
- Department of Organic and Pharmaceutical Technology, Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wroclaw, Poland
| | - Marek Samoć
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wroclaw, Poland
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Rizvi I, Nath S, Obaid G, Ruhi MK, Moore K, Bano S, Kessel D, Hasan T. A Combination of Visudyne and a Lipid-anchored Liposomal Formulation of Benzoporphyrin Derivative Enhances Photodynamic Therapy Efficacy in a 3D Model for Ovarian Cancer. Photochem Photobiol 2019; 95:419-429. [PMID: 30499113 DOI: 10.1111/php.13066] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 11/27/2018] [Indexed: 01/08/2023]
Abstract
A major objective in developing new treatment approaches for lethal tumors is to reduce toxicity to normal tissues while maintaining therapeutic efficacy. Photodynamic therapy (PDT) provides a mechanistically distinct approach to treat tumors without the systemic toxicity of chemotherapy drugs. PDT involves the light-based activation of a small molecule, a photosensitizer (PS), to generate reactive molecular species (RMS) that are toxic to target tissue. Depending on the PS localization, various cellular and subcellular components can be targeted, causing selective photodamage. It has been shown that targeted lysosomal photodamage followed by, or simultaneous with, mitochondrial photodamage using two different PS results in a considerable enhancement in PDT efficacy. Here, two liposomal formulations of benzoporphyrin derivative (BPD): (1) Visudyne (clinically approved) and (2) an in-house formulation entrapping a lipid conjugate of BPD are used in combination with direct PS localization to mitochondria, endoplasmic reticulum and lysosomes, enabling simultaneous photodamage to all three organelles using a single wavelength of light. Building on findings by our group, and others, this study demonstrates, for the first time in a 3D model for ovarian cancer, that BPD-mediated photodestruction of lysosomes and mitochondria/ER significantly enhances PDT efficacy at lower light doses than treatment with either PS formulation alone.
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Affiliation(s)
- Imran Rizvi
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Shubhankar Nath
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Girgis Obaid
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Mustafa Kemal Ruhi
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA.,Institute of Biomedical Engineering, Bogazici University, Istanbul, Turkey
| | - Kaitlin Moore
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Shazia Bano
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - David Kessel
- Department of Pharmacology, Wayne State University School of Medicine, Detroit, MI
| | - Tayyaba Hasan
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA
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Chen Q, Li KT, Tian S, Yu TH, Yu LH, Lin HD, Bai DQ. Photodynamic Therapy Mediated by Aloe-Emodin Inhibited Angiogenesis and Cell Metastasis Through Activating MAPK Signaling Pathway on HUVECs. Technol Cancer Res Treat 2018; 17:1533033818785512. [PMID: 30068242 PMCID: PMC6071160 DOI: 10.1177/1533033818785512] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Photodynamic therapy is a clinically used, minimally invasive therapeutic procedure that
involves the application of photosensitizers which can locate in target cells and so be
irradiated at a corresponding wavelength. Laser light irradiation activation of
photosensitizers generates free reactive oxygen species, which induces selective cytotoxic
activity in target cells. Within recent years, aloe-emodin as a photosensitizer has been
successfully applied in photodynamic therapy applications. Angiogenesis plays an important
role in tumor growth and metastasis; thus, the development of a novel target treatment for
angiogenesis is essential in order to improve treatment therapeutics for cancer treatment.
An essential step in angiogenesis involves the formation of tube-like structures during
matrix degradation, rearrangement, and apoptosis of endothelial cells. In the present
study, we investigated the mechanisms of photocytotoxicity induced by aloe-emodin in human
umbilical vein endothelial cells. Analysis of cell proliferation results noted a
significant decrease in cultured cells which received various concentrations of
aloe-emodin and photodynamic therapy–induced light doses. Additionally, mitochondrial
mechanisms of apoptotic cell death were observed in aloe-emodin photodynamic
therapy–treated cells, as tube formation assays noted angiogenesis suppression after
treatment. The capacity of migration and invasion of human umbilical vein endothelial
cells was measured using the transwell assay and demonstrated that aloe-emodin
photodynamic therapy significantly inhibited the migration and invasion of human umbilical
vein endothelial cells. The expression of p38, extracellular signal-regulated kinase, the
c-Jun N-terminal kinases, and vascular endothelial growth factor suggested that the
cellular metastasis was related to mitogen-activated protein kinase signal pathway.
Furthermore, disorganization of F action cytoskeleton components was observed after
aloe-emodin photodynamic therapy. Overall, the findings from this study suggest that
aloe-emodin photodynamic therapy inhibited angiogenesis and cellular metastasis in human
umbilical vein endothelial cells by activating the mitogen-activated protein kinase
apoptotic signaling cell death pathway.
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Affiliation(s)
- Qing Chen
- 1 Department of Rehabilitation, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Kai-Ting Li
- 1 Department of Rehabilitation, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Si Tian
- 1 Department of Rehabilitation, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ting-He Yu
- 2 Department of Gynaecology and Obstetrics, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Le-Hu Yu
- 3 Department of Rehabilitation, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Hai-Dan Lin
- 1 Department of Rehabilitation, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ding-Qun Bai
- 1 Department of Rehabilitation, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Damrongrungruang T, Kitchindaopat N, Thanasothon P, Theeranut K, Tippayawat P, Ruangsuwan C, Suwannee B. Effects of photodynamic therapy with azulene on peripheral blood mononuclear cell viability and singlet oxygen formation. Photodiagnosis Photodyn Ther 2018; 24:318-323. [DOI: 10.1016/j.pdpdt.2018.10.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 09/12/2018] [Accepted: 10/25/2018] [Indexed: 10/28/2022]
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Barras A, Skandrani N, Gonzalez Pisfil M, Paryzhak S, Dumych T, Haustrate A, Héliot L, Gharbi T, Boulahdour H, Lehen'kyi V, Bilyy R, Szunerits S, Bidaux G, Boukherroub R. Improved photodynamic effect through encapsulation of two photosensitizers in lipid nanocapsules. J Mater Chem B 2018; 6:5949-5963. [PMID: 32254715 DOI: 10.1039/c8tb01759j] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Photodynamic therapy (PDT) has developed into a new clinical and non-invasive treatment for cancer over the past 30 years. By the combination of three non-toxic partners, i.e. a photosensitizer (PS), molecular oxygen (O2) and light, cytotoxic reactive oxygen species (ROS) are locally produced leading to irreversible vascular and cellular damage. In the present study, we report for the first time that the combination of two photosensitizers (2 PSs: Protoporphyrin IX, PpIX and Hypericin, Hy) loaded in the same lipid nanocapsules (LNCs) leads to enhanced photodynamic therapy efficiency when compared with previously reported systems. The 2 PS-loaded LNCs are shown to increase the in vitro phototoxicity at the nanomolar range (IC50 = 274 and 278 nM on HeLa and MDA-MB-231 cell lines, respectively), whereas the corresponding single PS-loaded LNCs at the same concentration exhibit a phototoxicity two times lower. Intracellular localization in HeLa cells indicates a subcellular asymmetry of PpIX and Hy, in the plasma, ER membranes and round internal structures. The biodistribution of LNCs was studied upon different routes of injection into Swiss nude mice; based on the obtained data, LNCs were injected intratumorally and used to slow the growth of xenograft tumors in mice. The results obtained in this study suggest that the combination of two or more PSs may be a promising strategy to improve the efficacy of conventional photodynamic therapy as well as to reduce dark toxicity.
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Affiliation(s)
- Alexandre Barras
- Univ. Lille, CNRS, Centrale Lille, ISEN, Univ. Valenciennes, UMR 8520 - IEMN, F-59000 Lille, France.
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60
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Mfouo-Tynga I, Houreld NN, Abrahamse H. Evaluation of cell damage induced by irradiated Zinc-Phthalocyanine-gold dendrimeric nanoparticles in a breast cancer cell line. Biomed J 2018; 41:254-264. [PMID: 30348269 PMCID: PMC6198017 DOI: 10.1016/j.bj.2018.05.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Revised: 12/13/2017] [Accepted: 05/14/2018] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Cancer is a non-communicable disease that occurs following a mutation in the genes which control cell growth. Breast cancer is the most diagnosed cancer among South African women and a major cause of cancer-related deaths worldwide. Photodynamic therapy (PDT) is an alternative cancer therapy that uses photochemotherapeutic agents, known as photosensitizers. Drug-delivery nanoparticles are commonly used in nanomedicine to enhance drug-therapeutic efficiency. This study evaluated the photodynamic effects following treatment with 0.3 μM multiple particles delivery complex (MPDC) and irradiated with a laser fluence of 10 J/cm2 using a 680 nm diode laser in a breast cancer cell line (MCF-7). METHODS Cell damage was assessed by inverted light microscopy for cell morphology; the Apoptox-Glo triple assay was used for cell viability, caspase activity and identification of cytodamage markers; flow cytometric analysis for cell death pathways and mitochondrial membrane potential; the enzyme linked immunosorbent assay (ELISA) for cytochrome C release; and real-time reverse transcriptase polymerase chain reaction (RT-PCR) array for gene expression. RESULTS Laser activated-MPDC induced a significant change in morphology of PDT-treated cells, with the appearance of apoptotic like morphological features. An increase in cytotoxicity, caspase activity, cell depolarization and cytochrome C release were identified in PDT-treated cells. Finally, the upregulation of BAX, BCL-2, CASP-2 and ULK-1 genes was observed. CONCLUSION The MPDC yielded a successful and stable hybrid agent with potent photodynamic abilities.
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Affiliation(s)
- Ivan Mfouo-Tynga
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Johannesburg, Gauteng, South Africa
| | - Nicolette Nadene Houreld
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Johannesburg, Gauteng, South Africa
| | - Heidi Abrahamse
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Johannesburg, Gauteng, South Africa.
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An efficient formulation based on cationic porphyrins to photoinactivate Staphylococcus aureus and Escherichia coli. Future Med Chem 2018; 10:1821-1833. [PMID: 30019927 DOI: 10.4155/fmc-2018-0010] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
AIM Antibiotic resistance is an increasingly serious worldwide problem that needs to be addressed with alternative tools. Antimicrobial photodynamic therapy seems a promising approach but in some cases the synthesis of highly efficient photosensitizers requires laborious processes burdened by extensive chromatographic purifications. In this study, we evaluate the suitability of a formulation (Form-1) containing porphyrins bearing different charges, obtained during the synthesis of the highly efficient photosensitizer 5,10,15-tris(1-methylpyridinium-4-yl)-20-(pentafluorophenyl)porphyrin tri-iodide. RESULTS Form-1 was equally effective in the photoinactivation of Escherichia coli and Staphylococcus aureus (reductions >5 log) as the best stand-alone photosensitizer. CONCLUSION The effective reduction of bacteria with Form-1 provided promising indications supporting its use, leading to a substantial decrease in costs and production time.
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Nag OK, Naciri J, Erickson JS, Oh E, Delehanty JB. Hybrid Liquid Crystal Nanocarriers for Enhanced Zinc Phthalocyanine-Mediated Photodynamic Therapy. Bioconjug Chem 2018; 29:2701-2714. [DOI: 10.1021/acs.bioconjchem.8b00374] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Okhil K. Nag
- Center for Bio/Molecular Science and Engineering, Naval Research Laboratory, Code 6900, 4555 Overlook Avenue SW, Washington, D.C. 20375, United States
| | - Jawad Naciri
- Center for Bio/Molecular Science and Engineering, Naval Research Laboratory, Code 6900, 4555 Overlook Avenue SW, Washington, D.C. 20375, United States
| | - Jeffrey S. Erickson
- Center for Bio/Molecular Science and Engineering, Naval Research Laboratory, Code 6900, 4555 Overlook Avenue SW, Washington, D.C. 20375, United States
| | - Eunkeu Oh
- Optical Sciences Division, Naval Research Laboratory, Code 5600, 4555 Overlook Avenue SW, Washington, D.C. 20375, United States
- KeyW Corporation, Hanover, Maryland 21076, United States
| | - James B. Delehanty
- Center for Bio/Molecular Science and Engineering, Naval Research Laboratory, Code 6900, 4555 Overlook Avenue SW, Washington, D.C. 20375, United States
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Kim DH, Hwang HS, Na K. Photoresponsive Micelle-Incorporated Doxorubicin for Chemo-Photodynamic Therapy to Achieve Synergistic Antitumor Effects. Biomacromolecules 2018; 19:3301-3310. [DOI: 10.1021/acs.biomac.8b00607] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Da Hye Kim
- Center for Photomedicine, Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi do 420-743, Korea
| | - Hee Sook Hwang
- Center for Photomedicine, Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi do 420-743, Korea
| | - Kun Na
- Center for Photomedicine, Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi do 420-743, Korea
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64
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Keane PM, Kelly JM. Transient absorption and time-resolved vibrational studies of photophysical and photochemical processes in DNA-intercalating polypyridyl metal complexes or cationic porphyrins. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.02.018] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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65
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Bosio GN, Parisi J, García Einschlag FS, Mártire DO. Imidazole and beta-carotene photoprotection against photodynamic therapy evaluated by synchrotron infrared microscopy. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 195:53-61. [PMID: 29367027 DOI: 10.1016/j.saa.2018.01.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 12/28/2017] [Accepted: 01/11/2018] [Indexed: 06/07/2023]
Abstract
In order to better understand the role of β-carotene and imidazole on the Photodynamic Therapy (PDT) mechanism, synchrotron infrared microscopy was used to detect the associated intracellular biochemical modifications following the visible light irradiation of HeLa cells incubated with these compounds as typical hydrophobic and hydrophilic singlet oxygen quenchers, respectively. For this purpose, PDT was performed employing the hydrophilic sensitizer 5,10,15,20-Tetrakis (1-methyl-4-pyridinio) porphyrin tetra (p-toluenesulfonate), TMPyP, and the hydrophobic sensitizer 5-(4-Methoxycarboxyphenyl)-10,15,20-triphenyl-21H,23H-porphyrin. The single cell IR spectra of PDT-treated, PDT plus quencher-treated and control HeLa cells were recorded at the SOLEIL Synchrotron Infrared SMIS beamline targeting specifically the cell nucleus. Principal Component Analysis (PCA) was used to assess the IR spectral changes. PCA revealed that there is a frequency shift of the protein Amide I vibrational band for the assays with the TMPyP sensitizer, indicating changes in the protein secondary structures of the PDT-treated cancer cells compared to the controls. In addition, the scores in those cells treated with both quenchers appear to be similar to the controls indicating a photoprotective effect. Comparative experiments carried out with SKMEL-28 and HaCat cells showed non- significant photoprotective effects of β-carotene and imidazole.
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Affiliation(s)
- Gabriela N Bosio
- Instituto de Investigaciones Teóricas y Aplicadas, Universidad Nacional de La Plata, Calle 64 y Diagonal 113, CP1900, Argentina.
| | - Julieta Parisi
- Instituto Multidisciplinario de Biologia Celular (IMBICE), CCT-La Plata-CONICET, Camino General Belgrano y 526, B1906APO, La Plata, Argentina
| | - Fernando S García Einschlag
- Instituto de Investigaciones Teóricas y Aplicadas, Universidad Nacional de La Plata, Calle 64 y Diagonal 113, CP1900, Argentina.
| | - Daniel O Mártire
- Instituto de Investigaciones Teóricas y Aplicadas, Universidad Nacional de La Plata, Calle 64 y Diagonal 113, CP1900, Argentina
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66
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Kwon S, Lee Y, Jung Y, Kim JH, Baek B, Lim B, Lee J, Kim I, Lee J. Mitochondria-targeting indolizino[3,2-c]quinolines as novel class of photosensitizers for photodynamic anticancer activity. Eur J Med Chem 2018; 148:116-127. [DOI: 10.1016/j.ejmech.2018.02.016] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 02/05/2018] [Accepted: 02/06/2018] [Indexed: 01/18/2023]
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67
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Viana SM, Celes FS, Ramirez L, Kolli B, Ng DKP, Chang KP, de Oliveira CI. Photodynamic Vaccination of BALB/c Mice for Prophylaxis of Cutaneous Leishmaniasis Caused by Leishmania amazonensis. Front Microbiol 2018; 9:165. [PMID: 29467751 PMCID: PMC5808246 DOI: 10.3389/fmicb.2018.00165] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Accepted: 01/24/2018] [Indexed: 11/26/2022] Open
Abstract
Background: Photosensitizers (PS), like porphyrins and phthalocyanines (PC) are excitable by light to generate cytotoxic singlet oxygen and other reactive oxygen species in the presence of atmospheric O2. Photodynamic inactivation of Leishmania by this means renders them non-viable, but preserves their effective use as vaccines. Leishmania can be photo-inactivated after PS-sensitization by loading via their endocytic uptake of PC or endogenous induction of transgenic mutants with delta-aminolevulinate (ALA) to accumulate cytosolic uroporphyrin I (URO). Here, PS-sensitization and photo-inactivation of Leishmaniaamazonensis was further examined in vitro and in vivo for vaccination against cutaneous leishmaniasis (CL). Methods and Results:Leishmania amazonensis promastigotes were photodynamically inactivated in vitro by PC-loading followed by exposure to red light (1–2 J/cm2) or ALA-induction of uroporphyrinogenic transfectants to accumulate cytosolic URO followed by longwave UV exposure. When applied individually, both strategies of photodynamic inactivation were found to significantly, albeit incompletely abolish the MTT reduction activities of the promastigotes, their uptake by mouse bone marrow-derived macrophages in vitro and their infectivity to mouse ear dermis in vivo. Inactivation of Leishmania to completion by using a combination of both strategies was thus used for the sake of safety as whole-cell vaccines for immunization of BALB/c mice. Different cutaneous sites were assessed for the efficacy of such photodynamic vaccination in vivo. Each site was inoculated first with in vitro doubly PS-sensitized promastigotes and then spot-illuminated with white light (50 J/cm2) for their photo-inactivation in situ. Only in ear dermis parasites were photo-inactivated beyond detection. Mice were thus immunized once in the ear and challenged 3 weeks later at the tail base with virulent L. amazonensis. Prophylaxis was noted in mice photodynamically vaccinated with doubly photo-inactivated parasites, as indicated by a significant delay in the onset of lesion development and a substantial decrease in the parasite loads. Conclusion: Leishmania doubly PS-sensitized and in situ photo-inactivated as described proved to be safe and effective when used for one-time immunization of ear dermis, as indicated by its significant protection of the inherently very susceptible BALB/c mice against CL.
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Affiliation(s)
| | | | - Laura Ramirez
- Instituto Gonçalo Muniz (IGM), FIOCRUZ, Salvador, Brazil
| | - Bala Kolli
- Department of Microbiology/Immunology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Dennis K P Ng
- Department of Chemistry, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Kwang P Chang
- Department of Microbiology/Immunology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Camila I de Oliveira
- Instituto Gonçalo Muniz (IGM), FIOCRUZ, Salvador, Brazil.,Instituto Nacional de Ciência e Tecnologia (iii-INCT) - Instituto de Investigação em Imunologia, São Paulo, Brazil
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68
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Mohammad-Hadi L, MacRobert AJ, Loizidou M, Yaghini E. Photodynamic therapy in 3D cancer models and the utilisation of nanodelivery systems. NANOSCALE 2018; 10:1570-1581. [PMID: 29308480 DOI: 10.1039/c7nr07739d] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Photodynamic therapy (PDT) is the subject of considerable research in experimental cancer models mainly for the treatment of solid cancerous tumours. Recent studies on the use of nanoparticles as photosensitiser carriers have demonstrated improved PDT efficacy in experimental cancer therapy. Experiments typically employ conventional monolayer cell culture but there is increasing interest in testing PDT using three dimensional (3D) cancer models. 3D cancer models can better mimic in vivo models than 2D cultures by for example enabling cancer cell interactions with a surrounding extracellular matrix which should enable the treatment to be optimised prior to in vivo studies. The aim of this review is to discuss recent research using PDT in different types of 3D cancer models, from spheroids to nano-fibrous scaffolds, using a range of photosensitisers on their own or incorporated in nanoparticles and nanodelivery systems.
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Affiliation(s)
- Layla Mohammad-Hadi
- Division of Surgery and Interventional Science, Department of Nanotechnology, University College London, Royal Free Campus, Rowland Hill St, London NW3 2PE, UK.
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69
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Kessel D, Oleinick NL. Cell Death Pathways Associated with Photodynamic Therapy: An Update. Photochem Photobiol 2018; 94:213-218. [PMID: 29143339 DOI: 10.1111/php.12857] [Citation(s) in RCA: 143] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 10/18/2017] [Indexed: 12/13/2022]
Abstract
Photodynamic therapy (PDT) has the potential to make a significant impact on cancer treatment. PDT can sensitize malignant tissues to light, leading to a highly selective effect if an appropriate light dose can be delivered. Variations in light distribution and drug delivery, along with impaired efficacy in hypoxic regions, can reduce the overall tumor response. There is also evidence that malignant cells surviving PDT may become more aggressive than the initial tumor population. Promotion of more effective direct tumor eradication is therefore an important goal. While a list of properties for the "ideal" photosensitizing agent often includes formulation, pharmacologic and photophysical elements, we propose that subcellular targeting is also an important consideration. Perspectives relating to optimizing PDT efficacy are offered here. These relate to death pathways initiated by photodamage to particular subcellular organelles.
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Affiliation(s)
- David Kessel
- Wayne State University School of Medicine, Detroit, MI
| | - Nancy L Oleinick
- Case Western Reserve University School of Medicine and the Case Comprehensive Cancer Center, Cleveland, OH
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70
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Ohashi N, Nomura A, Kodera M, Hitomi Y. Structurally Simple Cell-permeable Porphyrins: Efficient Cellular Uptake and Phototoxicity of Porphyrins with Four Peripheral Primary-amine-terminated Oligo(ethylene oxide) Chains. CHEM LETT 2017. [DOI: 10.1246/cl.170821] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Natsumi Ohashi
- Department of Applied Chemistry, Graduate School of Science and Engineering, Doshisha University, 1-3 Tatara Miyakodani, Kyotanabe, Kyoto 610-0321
| | - Akiko Nomura
- Center for Nanoscience Research, Doshisha University, 1-3 Tatara Miyakodani, Kyotanabe, Kyoto 610-0321
| | - Masahito Kodera
- Department of Applied Chemistry, Graduate School of Science and Engineering, Doshisha University, 1-3 Tatara Miyakodani, Kyotanabe, Kyoto 610-0321
- Center for Nanoscience Research, Doshisha University, 1-3 Tatara Miyakodani, Kyotanabe, Kyoto 610-0321
| | - Yutaka Hitomi
- Department of Applied Chemistry, Graduate School of Science and Engineering, Doshisha University, 1-3 Tatara Miyakodani, Kyotanabe, Kyoto 610-0321
- Center for Nanoscience Research, Doshisha University, 1-3 Tatara Miyakodani, Kyotanabe, Kyoto 610-0321
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71
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Benzamide porphyrins with directly conjugated and distal pyridyl or pyridinium groups substituted to the porphyrin macrocycles: Study of the photosensitising abilities as inducers of apoptosis in cancer cells under photodynamic conditions. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 178:228-236. [PMID: 29156351 DOI: 10.1016/j.jphotobiol.2017.11.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 11/02/2017] [Accepted: 11/09/2017] [Indexed: 12/25/2022]
Abstract
Amphiphilic porphyrin photosensitisers (PSs) having combinations of directly substituted pyridyl group(s) at the meso-position of a porphyrin macrocycle, and/or indirectly linked pyridyl groups as benzamide derivatives are reported. The compounds 5,10,15,20-tetrakis-(4-pyridylbenzamide)porphyrin (A.2), 5,10,15,20-tetra[N-(pyridine-4-yl)benzamidium] porphyrin (A.3), 5-mono-(4-pyridyl)-10,15,20-tris-(4-pyridylbenzamide)porphyrin (B.2) and 5-mono-(4-methylpyridinium)-10,15,20-tris-(4-pyridiniumbenzamide)porphyrin (B.3) were synthesised. The compounds were successfully characterised through UV-Vis, Emission, 1H NMR, and ESI-HRMS techniques. To evaluate the effect of this combination of directly conjugated and non-conjugated pyridyl/cationic pyridinium groups on the porphyrin macrocycle, the efficacy of the synthesised compounds was compared to a known standard 5,10,15,20-tetrakis(1-methylpyridinium-4-yl)porphyrin (TMPyP). These compounds show better efficacy (IC50's ranging between 0.66±0.04μM to 3.71±1.01μM) against A549 (human epithelial adenocarcinoma lung cancer) cell line under in vitro photodynamic conditions in comparison to MDA-MB-231 (breast cancer) (IC50's ranging between 3.7±0.087μM to 12.1±0.12μM) and Pa-1 (ovarian cancer) (IC50's ranging between 17.9±0.01μM to 42.45±0.02μM) cell lines. It was found that B.3, having a pyridinium group attached to the meso-position of the macrocycle along with three distal cationic pyridinium groups, independent of the porphyrinic electron delocalisation cycle, showed better photocytotoxic efficacy (IC50=0.66±0.04μM, A549 lung cancer cell line) and higher potential to promote apoptosis and hence better efficacy as PS towards cancer photodynamic therapy (PDT). The PDT activity of B.3 was further verified and established by various biological assays, viz. Annexin V assay, cell cycle assay, and reactive oxygen species (ROS) activity assay.
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72
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Müller A, Preuß A, Röder B. Photodynamic inactivation of Escherichia coli - Correlation of singlet oxygen kinetics and phototoxicity. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 178:219-227. [PMID: 29156350 DOI: 10.1016/j.jphotobiol.2017.11.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 11/09/2017] [Accepted: 11/12/2017] [Indexed: 01/22/2023]
Abstract
Photodynamic inactivation (PDI) of bacteria may play a major role in facing the challenge of the ever expanding antibiotic resistances. Here we report about the direct correlation of singlet oxygen luminescence kinetics and phototoxicity in E. coli cell suspension under PDI using the widely applied cationic photosensitizer TMPyP. Through direct access to the microenvironment, the time resolved investigation of singlet oxygen luminescence plays a key role in understanding the photosensitization mechanism and inactivation pathway. Using the homemade set-up for highly sensitive time resolved singlet oxygen luminescence detection, we show that the cationic TMPyP is localized predominantly outside the bacterial cells but in their immediate vicinity prior to photodynamic inactivation. Throughout following light exposure, a clear change in singlet oxygen kinetics indicates a redistribution of photosensitizer molecules to at least one additional microenvironment. We found the signal kinetics mirrored in cell viability measurements of equally treated samples from same overnight cultures conducted in parallel: A significant drop in cell viability of the illuminated samples and stationary viability of dark controls. Thus, for the system investigated in this work - a Gram-negative model bacteria and a well-known PS for its PDI - singlet oxygen kinetics correlates with phototoxicity. This finding suggests that it is well possible to evaluate PDI efficiency directly via time resolved singlet oxygen detection.
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Affiliation(s)
- Alexander Müller
- Department of Physics, Humboldt-Universität zu Berlin, Newtonstr. 15, 12489 Berlin, Germany
| | - Annegret Preuß
- Department of Physics, Humboldt-Universität zu Berlin, Newtonstr. 15, 12489 Berlin, Germany
| | - Beate Röder
- Department of Physics, Humboldt-Universität zu Berlin, Newtonstr. 15, 12489 Berlin, Germany.
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73
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Wang Y, Xia C, Lun Z, Lv Y, Chen W, Li T. Crosstalk between p38 MAPK and caspase-9 regulates mitochondria-mediated apoptosis induced by tetra-α-(4-carboxyphenoxy) phthalocyanine zinc photodynamic therapy in LoVo cells. Oncol Rep 2017; 39:61-70. [PMID: 29115534 PMCID: PMC5783605 DOI: 10.3892/or.2017.6071] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 10/11/2017] [Indexed: 01/16/2023] Open
Abstract
Photodynamic therapy (PDT) is considered to be an advancing antitumor technology. PDT using hydrophilic/lipophilic tetra-α-(4-carboxyphenoxy) phthalocyanine zinc (TαPcZn-PDT) has exhibited antitumor activity in Bel-7402 hepatocellular cancer cells. However, the manner in which p38 MAPK and caspase-9 are involved in the regulation of mitochondria-mediated apoptosis in the TαPcZn-PDT-treated LoVo human colon carcinoma cells remains unclear. Therefore, in the present study, a siRNA targeting p38 MAPK (siRNA-p38 MAPK) and the caspase-9 specific inhibitor z-LEHD-fmk were used to examine the crosstalk between p38 MAPK and caspase-9 during mitochondria-mediated apoptosis in the TαPcZn-PDT-treated LoVo cells. The findings revealed that the TαPcZn-PDT treatment of LoVo cells resulted in the induction of apoptosis, the formation of p38 MAPK/caspase-9 complexes, the activation of p38 MAPK, caspase-9, caspase-3 and Bid, the downregulation of Bcl-2, the reduction of mitochondrial membrane potential (ΔΨm), the upregulation of Bax and the release of apoptosis-inducing factor (AIF) and cytochrome c (Cyto c). By contrast, siRNA-p38 MAPK or z-LEHD-fmk both attenuated the effects of TαPcZn-PDT in the LoVo cells. Furthermore, the results revealed that siRNA-p38 MAPK had more significant inhibitory effects on apoptosis and mitochondria compared with the effects of z-LEHD-fmk in TαPcZn-PDT-treated LoVo cells. These findings indicated that p38 MAPK plays the major regulatory role in the crosstalk between p38 MAPK and caspase-9 and that direct interaction between p38 MAPK and caspase-9 may regulate mitochondria-mediated apoptosis in the TαPcZn-PDT-treated LoVo cells.
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Affiliation(s)
- Yu Wang
- Department of Basic Medicine, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, P.R. China
| | - Chunhui Xia
- Department of Basic Medicine, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, P.R. China
| | - Zhiqiang Lun
- Department of Basic Medicine, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, P.R. China
| | - Yanxin Lv
- Department of Basic Medicine, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, P.R. China
| | - Wei Chen
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, P.R. China
| | - Tao Li
- Department of Basic Medicine, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, P.R. China
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74
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Hodgkinson N, Kruger CA, Mokwena M, Abrahamse H. Cervical cancer cells (HeLa) response to photodynamic therapy using a zinc phthalocyanine photosensitizer. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 177:32-38. [PMID: 29045918 DOI: 10.1016/j.jphotobiol.2017.10.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 08/25/2017] [Accepted: 10/02/2017] [Indexed: 10/18/2022]
Abstract
Cervical cancer is the most common gynecological malignancy worldwide, and the leading cause of cancer related deaths among females. Conventional treatment for early cervical cancer is radical hysterectomy. In locally advanced cancer the treatment of choice is concurrent chemo radiation. Although such treatment methods show promise, they do have adverse side effects. To minimize these effects, as well as prevent cancer re-occurrence, new treatment methods are being investigated. Photodynamic therapy (PDT) involves the selective uptake of a photosensitizer (PS) by cancer cells, illumination with light of an appropriate wavelength that triggers a photochemical reaction leading to the generation of reactive oxygen and subsequent tumor regression. The effect of PDT on a cervical cancer cell line (HeLa) was assessed by exposing cultured cells to a sulphonated zinc phthalocyanine PS (ZnPcSmix) and irradiating the cells using a 673nm diode laser. The effects were measured using the Trypan blue viability assay, adenosine triphosphate assay (ATP) luminescence assay for proliferation, Lactate Dehydrogenase (LDH) membrane integrity cytotoxicity assay, and fluorescent microscopy to assess PS cellular localization and nuclear damage. Fluorescent microscopy revealed localization of the PS in the cytoplasm and perinuclear region of HeLa cells. PDT treated cellular responses showed dose dependent structural changes, with decreased cell viability and proliferation, as well as considerable membrane damage. Hoechst stained cells also revealed DNA damage in PDT treated cells. The final findings from this study suggest that ZnPcSmix is a promising PS for the PDT treatment of cervical cancer in vitro, where a significant 85% cellular cytotoxicity with only 25% cellular viability was noted in cells which received 1μM ZnPcSmix when an 8J/cm2 fluence was applied.
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Affiliation(s)
- Natasha Hodgkinson
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein 2028, South Africa.
| | - Cherie Ann Kruger
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein 2028, South Africa
| | - Mpho Mokwena
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein 2028, South Africa
| | - Heidi Abrahamse
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein 2028, South Africa
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75
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Photodynamic therapy with TMPyP – Porphyrine induces mitotic catastrophe and microtubule disorganization in HeLa and G361 cells, a comprehensive view of the action of the photosensitizer. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 173:522-537. [DOI: 10.1016/j.jphotobiol.2017.06.029] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Revised: 06/16/2017] [Accepted: 06/23/2017] [Indexed: 01/30/2023]
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76
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Sun XY, Zhao P, Jin SF, Liu MC, Wang XH, Huang YM, Cheng ZF, Yan SQ, Li YY, Chen YQ, Zhong YM. Shedding lights on the flexible-armed porphyrins: Human telomeric G4 DNA interaction and cell photocytotoxicity research. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 173:606-617. [DOI: 10.1016/j.jphotobiol.2017.06.036] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2016] [Revised: 06/21/2017] [Accepted: 06/24/2017] [Indexed: 01/21/2023]
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77
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Multilayer photodynamic therapy for highly effective and safe cancer treatment. Acta Biomater 2017; 54:271-280. [PMID: 28285077 DOI: 10.1016/j.actbio.2017.03.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2016] [Revised: 02/20/2017] [Accepted: 03/08/2017] [Indexed: 12/31/2022]
Abstract
Recent efforts to develop tumor-targeted photodynamic therapy (PDT) photosensitizers (PSs) have greatly advanced the potential of PDT in cancer therapy, although complete eradication of tumor cells by PDT alone remains challenging. As a way to improve PDT efficacy, we report a new combinatory PDT therapy technique that specifically targets multilayers of cells. Simply mixing different PDT PSs, even those that target distinct receptors (this may still lead to similar cell-killing pathways), may not achieve ideal therapeutic outcomes. Instead, significantly improved outcomes likely require synergistic therapies that target various cellular pathways. In this study, we target two proteins upregulated in cancers: the cannabinoid CB2 receptor (CB2R, a G-protein coupled receptor) and translocator protein (TSPO, a mitochondria membrane receptor). We found that the CB2R-targeted PS, IR700DX-mbc94, triggered necrotic cell death upon light irradiation, whereas PDT with the TSPO-targeted IR700DX-6T agent led to apoptotic cell death. Both PSs significantly inhibited tumor growth in vivo in a target-specific manner. As expected, the combined CB2R- and TSPO-PDT resulted in enhanced cell killing efficacy and tumor inhibition with lower drug dose. The median survival time of animals with multilayer PDT treatment was extended by as much as 2.8-fold over single PDT treatment. Overall, multilayer PDT provides new opportunities to treat cancers with high efficacy and low side effects. STATEMENT OF SIGNIFICANCE Photodynamic therapy (PDT) is increasingly used as a minimally invasive, controllable and effective therapeutic procedure for cancer treatment. However, complete eradication of tumor cells by PDT alone remains challenging. In this study, we investigate the potential of multilayer PDT in cancer treatment with high efficacy and low side effects. Through PDT targeting two cancer biomarkers located at distinct subcellular localizations, remarkable synergistic effects in cancer cell killing and tumor inhibition were observed in both in vitro and in vivo experiments. This strategy may be widely applied to treat various cancer types by using strategically designed PDT photosensitizers that target corresponding upregulated receptors at tactical subcellular localization.
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78
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Malatesti N, Munitic I, Jurak I. Porphyrin-based cationic amphiphilic photosensitisers as potential anticancer, antimicrobial and immunosuppressive agents. Biophys Rev 2017; 9:149-168. [PMID: 28510089 PMCID: PMC5425819 DOI: 10.1007/s12551-017-0257-7] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Accepted: 03/05/2017] [Indexed: 12/15/2022] Open
Abstract
Photodynamic therapy (PDT) combines a photosensitiser, light and molecular oxygen to induce oxidative stress that can be used to kill pathogens, cancer cells and other highly proliferative cells. There is a growing number of clinically approved photosensitisers and applications of PDT, whose main advantages include the possibility of selective targeting, localised action and stimulation of the immune responses. Further improvements and broader use of PDT could be accomplished by designing new photosensitisers with increased selectivity and bioavailability. Porphyrin-based photosensitisers with amphiphilic properties, bearing one or more positive charges, are an effective tool in PDT against cancers, microbial infections and, most recently, autoimmune skin disorders. The aim of the review is to present some of the recent examples of the applications and research that employ this specific group of photosensitisers. Furthermore, we will highlight the link between their structural characteristics and PDT efficiency, which will be helpful as guidelines for rational design and evaluation of new PSs.
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Affiliation(s)
- Nela Malatesti
- Department of Biotechnology, University of Rijeka, Radmile Matejčić 2, 51000, Rijeka, Croatia.
| | - Ivana Munitic
- Department of Biotechnology, University of Rijeka, Radmile Matejčić 2, 51000, Rijeka, Croatia
| | - Igor Jurak
- Department of Biotechnology, University of Rijeka, Radmile Matejčić 2, 51000, Rijeka, Croatia
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dos Santos AF, Terra LF, Wailemann RAM, Oliveira TC, Gomes VDM, Mineiro MF, Meotti FC, Bruni-Cardoso A, Baptista MS, Labriola L. Methylene blue photodynamic therapy induces selective and massive cell death in human breast cancer cells. BMC Cancer 2017; 17:194. [PMID: 28298203 PMCID: PMC5353937 DOI: 10.1186/s12885-017-3179-7] [Citation(s) in RCA: 92] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 03/08/2017] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Breast cancer is the main cause of mortality among women. The disease presents high recurrence mainly due to incomplete efficacy of primary treatment in killing all cancer cells. Photodynamic therapy (PDT), an approach that causes tissue destruction by visible light in the presence of a photosensitizer (Ps) and oxygen, appears as a promising alternative therapy that could be used adjunct to chemotherapy and surgery for curing cancer. However, the efficacy of PDT to treat breast tumours as well as the molecular mechanisms that lead to cell death remain unclear. METHODS In this study, we assessed the cell-killing potential of PDT using methylene blue (MB-PDT) in three breast epithelial cell lines that represent non-malignant conditions and different molecular subtypes of breast tumours. Cells were incubated in the absence or presence of MB and irradiated or not at 640 nm with 4.5 J/cm2. We used a combination of imaging and biochemistry approaches to assess the involvement of classical autophagic and apoptotic pathways in mediating the cell-deletion induced by MB-PDT. The role of these pathways was investigated using specific inhibitors, activators and gene silencing. RESULTS We observed that MB-PDT differentially induces massive cell death of tumour cells. Non-malignant cells were significantly more resistant to the therapy compared to malignant cells. Morphological and biochemical analysis of dying cells pointed to alternative mechanisms rather than classical apoptosis. MB-PDT-induced autophagy modulated cell viability depending on the cell model used. However, impairment of one of these pathways did not prevent the fatal destination of MB-PDT treated cells. Additionally, when using a physiological 3D culture model that recapitulates relevant features of normal and tumorous breast tissue morphology, we found that MB-PDT differential action in killing tumour cells was even higher than what was detected in 2D cultures. CONCLUSIONS Finally, our observations underscore the potential of MB-PDT as a highly efficient strategy which could use as a powerful adjunct therapy to surgery of breast tumours, and possibly other types of tumours, to safely increase the eradication rate of microscopic residual disease and thus minimizing the chance of both local and metastatic recurrence.
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Affiliation(s)
- Ancély F. dos Santos
- Biochemistry Department, Chemistry Institute, University of São Paulo, São Paulo, 05508-000 SP Brazil
| | - Letícia F. Terra
- Biochemistry Department, Chemistry Institute, University of São Paulo, São Paulo, 05508-000 SP Brazil
| | - Rosangela A. M. Wailemann
- Biochemistry Department, Chemistry Institute, University of São Paulo, São Paulo, 05508-000 SP Brazil
| | - Talita C. Oliveira
- Biochemistry Department, Chemistry Institute, University of São Paulo, São Paulo, 05508-000 SP Brazil
| | - Vinícius de Morais Gomes
- Biochemistry Department, Chemistry Institute, University of São Paulo, São Paulo, 05508-000 SP Brazil
| | - Marcela Franco Mineiro
- Biochemistry Department, Chemistry Institute, University of São Paulo, São Paulo, 05508-000 SP Brazil
| | - Flávia Carla Meotti
- Biochemistry Department, Chemistry Institute, University of São Paulo, São Paulo, 05508-000 SP Brazil
| | - Alexandre Bruni-Cardoso
- Biochemistry Department, Chemistry Institute, University of São Paulo, São Paulo, 05508-000 SP Brazil
| | - Maurício S. Baptista
- Biochemistry Department, Chemistry Institute, University of São Paulo, São Paulo, 05508-000 SP Brazil
| | - Leticia Labriola
- Biochemistry Department, Chemistry Institute, University of São Paulo, São Paulo, 05508-000 SP Brazil
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80
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Tudor D, Nenu I, Filip GA, Olteanu D, Cenariu M, Tabaran F, Ion RM, Gligor L, Baldea I. Combined regimen of photodynamic therapy mediated by Gallium phthalocyanine chloride and Metformin enhances anti-melanoma efficacy. PLoS One 2017; 12:e0173241. [PMID: 28278159 PMCID: PMC5344368 DOI: 10.1371/journal.pone.0173241] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Accepted: 02/18/2017] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Melanoma therapy is challenging, especially in advanced cases, due to multiple developed tumor defense mechanisms. Photodynamic therapy (PDT) might represent an adjuvant treatment, because of its bimodal action: tumor destruction and immune system awakening. In this study, a combination of PDT mediated by a metal substituted phthalocyanine-Gallium phthalocyanine chloride (GaPc) and Metformin was used against melanoma. The study aimed to: (1) find the anti-melanoma efficacy of GaPc-PDT, (2) assess possible beneficial effects of Metformin addition to PDT, (3) uncover some of the mechanisms underlining cell killing and anti-angiogenic effects. METHODS Two human lightly pigmented melanoma cell lines: WM35 and M1/15 subjected to previous Metformin exposure were treated by GaPc-PDT. Cell viability, death mechanism, cytoskeleton alterations, oxidative damage, were assessed by means of colorimetry, flowcytometry, confocal microscopy, spectrophotometry, ELISA, Western Blotting. RESULTS GaPc proved an efficient photosensitizer. Metformin addition enhanced cell killing by mechanisms dependent on the cell line, namely apoptosis in the metastatic M1/15 and necrosis in the radial growth phase, WM35. Cell death mechanism relied on the inhibition of nuclear transcription factor (NF)-κB activation and tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) sensitization, leading to TRAIL and TNF-α induced apoptosis. Metformin diminished the anti-angiogenic effect of PDT. CONCLUSIONS Metformin addition to GaPc-PDT increased tumor cell killing through enhanced oxidative damage and induction of proapoptotic mechanisms, but altered PDT anti-angiogenic effects. GENERAL SIGNIFICANCE Combination of Metformin and PDT might represent a solution to enhance the efficacy, leading to a potential adjuvant role of PDT in melanoma therapy.
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Affiliation(s)
- Diana Tudor
- Department of Physiology, University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Iuliana Nenu
- Department of Physiology, University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | | | - Diana Olteanu
- Department of Physiology, University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Mihai Cenariu
- Department of Biochemistry, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania
| | - Flaviu Tabaran
- Department of Pathology University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania
| | - Rodica Mariana Ion
- Nanomedicine Research Group, National Institute for Research & Development in Chemistry and Petrochemistry - ICECHIM, Bucharest, Romania
| | - Lucian Gligor
- OSRAM Opto Semiconductors, OSRAM Romania, Global City Business Park, Voluntari, Ilfov, Romania
| | - Ioana Baldea
- Department of Physiology, University of Medicine and Pharmacy, Cluj-Napoca, Romania
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81
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Multi-OMIC profiling of survival and metabolic signaling networks in cells subjected to photodynamic therapy. Cell Mol Life Sci 2016; 74:1133-1151. [PMID: 27803950 PMCID: PMC5309296 DOI: 10.1007/s00018-016-2401-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Revised: 09/30/2016] [Accepted: 10/18/2016] [Indexed: 02/06/2023]
Abstract
Photodynamic therapy (PDT) is an established palliative treatment for perihilar cholangiocarcinoma that is clinically promising. However, tumors tend to regrow after PDT, which may result from the PDT-induced activation of survival pathways in sublethally afflicted tumor cells. In this study, tumor-comprising cells (i.e., vascular endothelial cells, macrophages, perihilar cholangiocarcinoma cells, and EGFR-overexpressing epidermoid cancer cells) were treated with the photosensitizer zinc phthalocyanine that was encapsulated in cationic liposomes (ZPCLs). The post-PDT survival pathways and metabolism were studied following sublethal (LC50) and supralethal (LC90) PDT. Sublethal PDT induced survival signaling in perihilar cholangiocarcinoma (SK-ChA-1) cells via mainly HIF-1-, NF-кB-, AP-1-, and heat shock factor (HSF)-mediated pathways. In contrast, supralethal PDT damage was associated with a dampened survival response. PDT-subjected SK-ChA-1 cells downregulated proteins associated with EGFR signaling, particularly at LC90. PDT also affected various components of glycolysis and the tricarboxylic acid cycle as well as metabolites involved in redox signaling. In conclusion, sublethal PDT activates multiple pathways in tumor-associated cell types that transcriptionally regulate cell survival, proliferation, energy metabolism, detoxification, inflammation/angiogenesis, and metastasis. Accordingly, tumor cells sublethally afflicted by PDT are a major therapeutic culprit. Our multi-omic analysis further unveiled multiple druggable targets for pharmacological co-intervention.
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82
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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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83
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Ma HR, Peng HS, You FT, Ping JT, Zhou C, Guo LY. Sensitive detection of PDT-induced cell damages with luminescent oxygen nanosensors. Methods Appl Fluoresc 2016; 4:035001. [DOI: 10.1088/2050-6120/4/3/035001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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84
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Baldassarre F, Foglietta F, Vergaro V, Barbero N, Capodilupo AL, Serpe L, Visentin S, Tepore A, Ciccarella G. Photodynamic activity of thiophene-derived lysosome-specific dyes. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2016; 158:16-22. [DOI: 10.1016/j.jphotobiol.2016.02.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 02/10/2016] [Accepted: 02/11/2016] [Indexed: 11/30/2022]
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85
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Pavani C, Francisco CML, Gobo NRS, de Oliveira KT, Baptista MS. Improved photodynamic activity of a dual phthalocyanine–ALA photosensitiser. NEW J CHEM 2016. [DOI: 10.1039/c6nj02073a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The higher efficiency of the dual photosensitiser is a consequence of the generation of two photosensitisers inside the cell, which are activated concomitantly.
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Affiliation(s)
- Christiane Pavani
- Programa de Pós-graduação em Biofotônica Aplicada às Ciências da Saúde
- Universidade Nove de Julho (UNINOVE)
- São Paulo
- Brazil
| | - Cláudia M. L. Francisco
- Programa de Pós-graduação em Biofotônica Aplicada às Ciências da Saúde
- Universidade Nove de Julho (UNINOVE)
- São Paulo
- Brazil
| | - Nicholas R. S. Gobo
- Departamento de Química
- Centro de Ciências Exatas e de Tecnologia - Universidade Federal de São Carlos
- São Carlos
- Brazil
| | - Kleber T. de Oliveira
- Departamento de Química
- Centro de Ciências Exatas e de Tecnologia - Universidade Federal de São Carlos
- São Carlos
- Brazil
| | - Mauricio S. Baptista
- Departamento de Bioquímica
- Instituto de Química – Universidade de São Paulo
- São Paulo
- Brazil
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86
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Abstract
Photodynamic therapy (PDT) offers a new approach to selective tumor eradication. Modifications designed to increase and optimize efficacy continue to emerge. Selective photodamage to malignant cells and their environment can bring about tumor cell destruction, shutdown of the tumor vasculature, stimulation of immunologic anti-tumor effects and potentiation of other therapeutic effects. Current development of combination protocols may provide a better rationale for integration of PDT into clinical practice. An example described here is the ability of a sequential (two-sensitizer) PDT protocol to enhance the efficacy of photokilling. The first step involves low-level lysosomal photodamage that has been shown to promote the apoptotic response to subsequent photodynamic effects directed at mitochondria. In this report, we demonstrate the ability of Photofrin, an FDA-approved photosensitizing agent, to serve as either the first or second element of the sequential protocol.
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Affiliation(s)
- David Kessel
- Department of Pharmacology, Wayne State University School of Medicine, Detroit MI, USA
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87
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Zhang D, Liu H, Wei Q, Zhou Q. Structure-activity relationship study of anticancer thymidine-quinoxaline conjugates under the low radiance of long wavelength ultraviolet light for photodynamic therapy. Eur J Med Chem 2015; 107:180-91. [PMID: 26584085 DOI: 10.1016/j.ejmech.2015.11.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Revised: 11/04/2015] [Accepted: 11/04/2015] [Indexed: 02/07/2023]
Abstract
Thymidine quinoxaline conjugate (dT-QX) is a thymidine analog with selective cytotoxicity against different cancer cells. In this study, the structure activity relationship study of dT-QX analogs was carried out under the low radiance of black fluorescent (UVA-1) light. Significantly enhanced cytotoxicity was observed under UVA-1 activation among analogs containing both thymidine and quinoxaline moieties with different length of the linker, stereochemical configuration and halogenated substituents. Among these analogs, the thymidine dichloroquinoxaline conjugate exhibited potent activity under UVA-1 activation as the best candidate with EC50 at 0.67 μM and 1.3 μM against liver and pancreatic cancer cells, respectively. In contrast, the replacement of thymidine moiety with a galactosyl residue or the replacement of quinoxaline moiety with a fluorescent pyrenyl residue or a simplified diketone structure resulted in the full loss of activity. Furthermore, it was revealed that the low radiance of UVA-1 at 3 mW/cm(2) for 20 min was sufficient enough to induce the full cytotoxicity of thymidine dichloroquinoxaline conjugate and that the cytotoxic mechanism was achieved through a rapid and steady production of reactive oxygen species.
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Affiliation(s)
- Dejun Zhang
- Department of Nanomedicine and Biopharmaceuticals, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Huaming Liu
- Department of Nanomedicine and Biopharmaceuticals, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Qiong Wei
- Department of Nanomedicine and Biopharmaceuticals, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Qibing Zhou
- Department of Nanomedicine and Biopharmaceuticals, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei, China.
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88
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Aggarwal N, Santiago AM, Kessel D, Sloane BF. Photodynamic therapy as an effective therapeutic approach in MAME models of inflammatory breast cancer. Breast Cancer Res Treat 2015; 154:251-62. [PMID: 26502410 DOI: 10.1007/s10549-015-3618-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Accepted: 10/20/2015] [Indexed: 12/18/2022]
Abstract
Photodynamic therapy (PDT) is a minimally invasive, FDA-approved therapy for treatment of endobronchial and esophageal cancers that are accessible to light. Inflammatory breast cancer (IBC) is an aggressive and highly metastatic form of breast cancer that spreads to dermal lymphatics, a site that would be accessible to light. IBC patients have a relatively poor survival rate due to lack of targeted therapies. The use of PDT is underexplored for breast cancers but has been proposed for treatment of subtypes for which a targeted therapy is unavailable. We optimized and used a 3D mammary architecture and microenvironment engineering (MAME) model of IBC to examine the effects of PDT using two treatment protocols. The first protocol used benzoporphyrin derivative monoacid A (BPD) activated at doses ranging from 45 to 540 mJ/cm(2). The second PDT protocol used two photosensitizers: mono-L-aspartyl chlorin e6 (NPe6) and BPD that were sequentially activated. Photokilling by PDT was assessed by live-dead assays. Using a MAME model of IBC, we have shown a significant dose-response in photokilling by BPD-PDT. Sequential activation of NPe6 followed by BPD is more effective in photokilling of tumor cells than BPD alone. Sequential activation at light doses of 45 mJ/cm(2) for each agent resulted in >90 % cell death, a response only achieved by BPD-PDT at a dose of 360 mJ/cm(2). Our data also show that effects of PDT on a volumetric measurement of 3D MAME structures reflect efficacy of PDT treatment. Our study is the first to demonstrate the potential of PDT for treating IBC.
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Affiliation(s)
- Neha Aggarwal
- Department of Physiology, Wayne State University School of Medicine, 540 East Canfield, Detroit, MI, 48201, USA.
| | - Ann Marie Santiago
- Department of Pharmacology, Wayne State University School of Medicine, 540 East Canfield, Detroit, MI, 48201, USA.
| | - David Kessel
- Department of Pharmacology, Wayne State University School of Medicine, 540 East Canfield, Detroit, MI, 48201, USA.
| | - Bonnie F Sloane
- Department of Pharmacology, Wayne State University School of Medicine, 540 East Canfield, Detroit, MI, 48201, USA.
- Department of Oncology, Wayne State University School of Medicine, 540 East Canfield, Detroit, MI, 48201, USA.
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89
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Fujiwara N, Mazzola M, Cai E, Wang M, Cave JW. TMPyP4, a Stabilizer of Nucleic Acid Secondary Structure, Is a Novel Acetylcholinesterase Inhibitor. PLoS One 2015; 10:e0139167. [PMID: 26402367 PMCID: PMC4581631 DOI: 10.1371/journal.pone.0139167] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 09/08/2015] [Indexed: 01/03/2023] Open
Abstract
The porphyrin compound, TMPyP4 (5,10,15,20-Tetrakis-(N-methyl-4-pyridyl)porphine), is widely used as a photosensitizer and a modulator of nucleic acid secondary structure stability. Our group recently showed in cultured cells and forebrain slice cultures that this compound can also down regulate expression of Tyrosine hydroxylase (Th), which encodes the rate-limiting enzyme in catecholamine biosynthesis, by stabilizing DNA secondary structures in the Th proximal promoter. The current study sought to establish whether treatment with TMPyP4 could modify mouse Th expression levels in vivo. Intraperitoneal administration of low TMPyP4 doses (10mg/kg), similar to those used for photosensitization, did not significantly reduce Th transcript levels in several catecholaminergic regions. Administration of a high dose (40 mg/kg), similar to those used for tumor xenograph reduction, unexpectedly induced flaccid paralysis in an age and sex-dependent manner. In vitro analyses revealed that TMPyP4, but not putative metabolites, inhibited Acetylcholinesterase activity and pre-treatment of TMPyP4 with Hemeoxygenase-2 (HO-2) rescued Acetylcholinesterase function. Age-dependent differences in HO-2 expression levels may account for some of the variable in vivo effects of high TMPyP4 doses. Together, these studies indicate that only low doses of TMPyP4, such as those typically used for photosensitization, are well tolerated in vivo. Thus, despite its widespread use in vitro, TMPyP4 is not ideal for modifying neuronal gene expression in vivo by manipulating nucleic acid secondary structure stability, which highlights the need to identify more clinically suitable compounds that can modulate nucleic acid secondary structure and gene expression.
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Affiliation(s)
- Nana Fujiwara
- Burke Medical Research Institute, White Plains, New York, United States of America
| | - Michael Mazzola
- Burke Medical Research Institute, White Plains, New York, United States of America
| | - Elizabeth Cai
- Burke Medical Research Institute, White Plains, New York, United States of America
| | - Meng Wang
- Burke Medical Research Institute, White Plains, New York, United States of America
| | - John W. Cave
- Burke Medical Research Institute, White Plains, New York, United States of America
- Weill Cornell Medical College, Brain and Mind Research Institute, New York, New York, United States of America
- * E-mail:
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90
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Bacellar IOL, Tsubone TM, Pavani C, Baptista MS. Photodynamic Efficiency: From Molecular Photochemistry to Cell Death. Int J Mol Sci 2015; 16:20523-59. [PMID: 26334268 PMCID: PMC4613217 DOI: 10.3390/ijms160920523] [Citation(s) in RCA: 243] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 08/18/2015] [Accepted: 08/24/2015] [Indexed: 12/11/2022] Open
Abstract
Photodynamic therapy (PDT) is a clinical modality used to treat cancer and infectious diseases. The main agent is the photosensitizer (PS), which is excited by light and converted to a triplet excited state. This latter species leads to the formation of singlet oxygen and radicals that oxidize biomolecules. The main motivation for this review is to suggest alternatives for achieving high-efficiency PDT protocols, by taking advantage of knowledge on the chemical and biological processes taking place during and after photosensitization. We defend that in order to obtain specific mechanisms of cell death and maximize PDT efficiency, PSes should oxidize specific molecular targets. We consider the role of subcellular localization, how PS photochemistry and photophysics can change according to its nanoenvironment, and how can all these trigger specific cell death mechanisms. We propose that in order to develop PSes that will cause a breakthrough enhancement in the efficiency of PDT, researchers should first consider tissue and intracellular localization, instead of trying to maximize singlet oxygen quantum yields in in vitro tests. In addition to this, we also indicate many open questions and challenges remaining in this field, hoping to encourage future research.
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Affiliation(s)
- Isabel O L Bacellar
- Instituto de Química, Universidade de São Paulo, São Paulo 05508-900, Brazil.
| | - Tayana M Tsubone
- Instituto de Química, Universidade de São Paulo, São Paulo 05508-900, Brazil.
| | - Christiane Pavani
- Programa de Pós Graduação em Biofotônica Aplicada às Ciências da Saúde, Universidade Nove de Julho, São Paulo 01504-001, Brazil.
| | - Mauricio S Baptista
- Instituto de Química, Universidade de São Paulo, São Paulo 05508-900, Brazil.
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91
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Spring BQ, Rizvi I, Xu N, Hasan T. The role of photodynamic therapy in overcoming cancer drug resistance. Photochem Photobiol Sci 2015; 14:1476-91. [PMID: 25856800 PMCID: PMC4520758 DOI: 10.1039/c4pp00495g] [Citation(s) in RCA: 209] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Accepted: 03/10/2015] [Indexed: 12/19/2022]
Abstract
Many modalities of cancer therapy induce mechanisms of treatment resistance and escape pathways during chronic treatments, including photodynamic therapy (PDT). It is conceivable that resistance induced by one treatment might be overcome by another treatment. Emerging evidence suggests that the unique mechanisms of tumor cell and microenvironment damage produced by PDT could be utilized to overcome cancer drug resistance, to mitigate the compensatory induction of survival pathways and even to re-sensitize resistant cells to standard therapies. Approaches that capture the unique features of PDT, therefore, offer promising factors for increasing the efficacy of a broad range of therapeutic modalities. Here, we highlight key preclinical findings utilizing PDT to overcome classical drug resistance or escape pathways and thus enhance the efficacy of many pharmaceuticals, possibly explaining the clinical observations of the PDT response to otherwise treatment-resistant diseases. With the development of nanotechnology, it is possible that light activation may be used not only to damage and sensitize tumors but also to enable controlled drug release to inhibit escape pathways that may lead to resistance or cell proliferation.
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Affiliation(s)
- Bryan Q Spring
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA.
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92
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Cieplik F, Pummer A, Regensburger J, Hiller KA, Späth A, Tabenski L, Buchalla W, Maisch T. The impact of absorbed photons on antimicrobial photodynamic efficacy. Front Microbiol 2015; 6:706. [PMID: 26236292 PMCID: PMC4502582 DOI: 10.3389/fmicb.2015.00706] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Accepted: 06/26/2015] [Indexed: 12/20/2022] Open
Abstract
Due to increasing resistance of pathogens toward standard antimicrobial procedures, alternative approaches that are capable of inactivating pathogens are necessary in support of regular modalities. In this instance, the photodynamic inactivation of bacteria (PIB) may be a promising alternative. For clinical application of PIB it is essential to ensure appropriate comparison of given photosensitizer (PS)-light source systems, which is complicated by distinct absorption and emission characteristics of given PS and their corresponding light sources, respectively. Consequently, in the present study two strategies for adjustment of irradiation parameters were evaluated: (i) matching energy doses applied by respective light sources (common practice) and (ii) by development and application of a formula for adjusting the numbers of photons absorbed by PS upon irradiation by their corresponding light sources. Since according to the photodynamic principle one PS molecule is excited by the absorption of one photon, this formula allows comparison of photodynamic efficacy of distinct PS per excited molecule. In light of this, the antimicrobial photodynamic efficacy of recently developed PS SAPYR was compared to that of clinical standard PS Methylene Blue (MB) regarding inactivation of monospecies biofilms formed by Enterococcus faecalis and Actinomyces naeslundii whereby evaluating both adjustment strategies. PIB with SAPYR exhibited CFU-reductions of 5.1 log10 and 6.5 log10 against E. faecalis and A. naeslundii, respectively, which is declared as a disinfectant efficacy. In contrast, the effect of PIB with MB was smaller when the applied energy dose was adjusted compared to SAPYR (CFU-reductions of 3.4 log10 and 4.2 log10 against E. faecalis and A. naeslundii), or there was even no effect at all when the number of absorbed photons was adjusted compared to SAPYR. Since adjusting the numbers of absorbed photons is the more precise and adequate method from a photophysical point of view, this strategy should be considered in further studies when antimicrobial efficacy rates of distinct PS-light source systems are compared.
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Affiliation(s)
- Fabian Cieplik
- Department of Conservative Dentistry and Periodontology, University Medical Center Regensburg Regensburg, Germany
| | - Andreas Pummer
- Department of Conservative Dentistry and Periodontology, University Medical Center Regensburg Regensburg, Germany
| | | | - Karl-Anton Hiller
- Department of Conservative Dentistry and Periodontology, University Medical Center Regensburg Regensburg, Germany
| | - Andreas Späth
- Department of Organic Chemistry, University of Regensburg Regensburg, Germany
| | - Laura Tabenski
- Department of Conservative Dentistry and Periodontology, University Medical Center Regensburg Regensburg, Germany
| | - Wolfgang Buchalla
- Department of Conservative Dentistry and Periodontology, University Medical Center Regensburg Regensburg, Germany
| | - Tim Maisch
- Department of Dermatology, University Medical Center Regensburg Regensburg, Germany
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93
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Cerman E, Çekiç O. Clinical use of photodynamic therapy in ocular tumors. Surv Ophthalmol 2015; 60:557-74. [PMID: 26079736 DOI: 10.1016/j.survophthal.2015.05.004] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Revised: 05/15/2015] [Accepted: 05/18/2015] [Indexed: 01/10/2023]
Abstract
Although the introduction of intravitreal anti-vascular endothelial growth factor drugs reduced the indications for photodynamic therapy in ophthalmology, it may still be used in various ocular tumors. Although many studies have shown that photodynamic therapy is effective in ocular tumors, the literature consists of case reports and series. In this review, we systematically performed a meta-analysis for the use of photodynamic therapy in circumscribed choroidal hemangioma, diffuse choroidal hemangioma, retinal capillary hemangioma, von Hippel-Lindau angiomatosis, choroidal melanoma, retinal astrocytoma, retinoblastoma, eyelid tumors, conjunctival tumors, and choroidal metastasis.
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Affiliation(s)
- Eren Cerman
- Department of Ophthalmology, Marmara University School of Medicine, Istanbul, Turkey
| | - Osman Çekiç
- Department of Ophthalmology, Marmara University School of Medicine, Istanbul, Turkey.
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Kessel D, Reiners JJ. Promotion of Proapoptotic Signals by Lysosomal Photodamage. Photochem Photobiol 2015; 91:931-6. [PMID: 25873082 DOI: 10.1111/php.12456] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Accepted: 03/26/2015] [Indexed: 01/21/2023]
Abstract
We previously reported that low-level lysosomal photodamage enhanced the efficacy of subsequent mitochondrial photodamage, resulting in a substantial promotion of apoptotic cell death. We now extend our analysis of the sequential PDT protocol to include two additional lysosomal-targeting photosensitizers. These agents, because of enhanced permeability, are more potent than the agent (N-aspartyl chlorin E6, NPe6) used in the initial study. Addition of the cell-permeable cysteine protease inhibitor E-64d and calcium chelator BAPTA-AM almost completely suppressed sequential PDT-induced loss of mitochondrial membrane potential and activation of procaspases-3 and -7. These inhibitors did not, however, suppress the proapoptotic effect of a BH3 mimetic or mitochondrial photodamage. Knockdowns of ATG7 or ATG5, proteins normally associated with autophagy, suppressed photodamage induced by the sequential PDT protocol. These effects appear to be independent of the autophagic process as pharmacological inhibition of autophagy offered no such protection. Effects of ATG7 and ATG5 knockdowns may reflect the role that ATG7 plays in regulating lysosome permeability, and the likelihood that a proteolytic fragment of ATG5 amplifies mitochondrial proapoptotic processes. Our results suggest that low-dose photodamage that sequentially targets lysosomes and mitochondria may offer significant advantages over the use of single photosensitizers.
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Affiliation(s)
- David Kessel
- Department of Pharmacology, Wayne State University, Detroit, MI
| | - John J Reiners
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI
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95
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Li Y, Liu X, Zhang D, Lou B, Peng F, Wang X, Shan X, Jiang C, Gao M, Sun Z, Ni Y, Huang D, Zhang J. Evaluation of a metalloporphyrin (THPPMnCl) for necrosis-affinity in rat models of necrosis. J Drug Target 2015; 23:926-35. [PMID: 25950601 DOI: 10.3109/1061186x.2015.1036358] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The combination of an (13I)I-labeled necrosis-targeting agent (NTA) with a vascular disrupting agent is a novel and potentially powerful technique for tumor necrosis treatment (TNT). The purpose of this study was to evaluate a NTA candidate, THPPMnCl, using (131)I isotope for tracing its biodistribution and necrosis affinity. (131)I-THPPMnCl was intravenously injected in rat models with liver, muscle, and tumor necrosis and myocardial infarction (MI), followed by investigations with macroscopic autoradiography, triphenyltetrazolium chloride (TTC) histochemical staining, fluorescence microscopy and H&E stained histology for up to 9 days. (131)I-THPPMnCl displayed a long-term affinity for all types of necrosis and accumulation in the mononuclear phagocytic system especially in the liver. Autoradiograms and TTC staining showed a good targetability of (131)I-THPPMnCl for MI. These findings indicate the potential of THPPMnCl for non-invasive imaging assessment of necrosis, such as in MI. However, (13I)I-THPPMnCl is unlikely suitable for TNT due to its long-term retention in normal tissues.
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Affiliation(s)
- Yue Li
- a Laboratory of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing , Jiangsu Province , P.R. China and
| | - Xuejiao Liu
- a Laboratory of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing , Jiangsu Province , P.R. China and
| | - Dongjian Zhang
- a Laboratory of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing , Jiangsu Province , P.R. China and
| | - Bin Lou
- a Laboratory of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing , Jiangsu Province , P.R. China and
| | - Fei Peng
- a Laboratory of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing , Jiangsu Province , P.R. China and
| | - Xiaoning Wang
- a Laboratory of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing , Jiangsu Province , P.R. China and
| | - Xin Shan
- a Laboratory of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing , Jiangsu Province , P.R. China and
| | - Cuihua Jiang
- a Laboratory of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing , Jiangsu Province , P.R. China and
| | - Meng Gao
- a Laboratory of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing , Jiangsu Province , P.R. China and
| | - Ziping Sun
- b Radiation Medical Institute, Shandong Academy of Medical Sciences , Jinan , Shandong Province , P.R. China , and
| | - Yicheng Ni
- a Laboratory of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing , Jiangsu Province , P.R. China and.,c Department of Radiology , KU Leuven , Leuven , Belgium
| | - Dejian Huang
- a Laboratory of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing , Jiangsu Province , P.R. China and
| | - Jian Zhang
- a Laboratory of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing , Jiangsu Province , P.R. China and
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Di Venosa G, Perotti C, Batlle A, Casas A. The role of cytoskeleton and adhesion proteins in the resistance to photodynamic therapy. Possible therapeutic interventions. Photochem Photobiol Sci 2015; 14:1451-64. [PMID: 25832889 DOI: 10.1039/c4pp00445k] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
It is known that Photodynamic Therapy (PDT) induces changes in the cytoskeleton, the cell shape, and the adhesion properties of tumour cells. In addition, these targets have also been demonstrated to be involved in the development of PDT resistance. The reversal of PDT resistance by manipulating the cell adhesion process to substrata has been out of reach. Even though the existence of cell adhesion-mediated PDT resistance has not been reported so far, it cannot be ruled out. In addition to its impact on the apoptotic response to photodamage, the cytoskeleton alterations are thought to be associated with the processes of metastasis and invasion after PDT. In this review, we will address the impact of photodamage on the microfilament and microtubule cytoskeleton components and its regulators on PDT-treated cells as well as on cell adhesion. We will also summarise the impact of PDT on the surviving and resistant cells and their metastatic potential. Possible strategies aimed at taking advantage of the changes induced by PDT on actin, tubulin and cell adhesion proteins by targeting these molecules will also be discussed.
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Affiliation(s)
- Gabriela Di Venosa
- Centro de Investigaciones sobre Porfirinas y Porfirias (CIPYP). CONICET and Hospital de Clínicas José de San Martín, University of Buenos Aires, Córdoba 2351 1er subsuelo, Ciudad Autónoma de Buenos Aires, CP1120AAF, Argentina.
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97
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Mohammadpour H, Majidzadeh-A K. Antitumor effect of conditioned media derived from murine MSCs and 5-aminolevulinic acid (5-ALA) mediated photodynamic therapy in breast cancer in vitro. Photodiagnosis Photodyn Ther 2015; 12:238-43. [PMID: 25721458 DOI: 10.1016/j.pdpdt.2015.02.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Revised: 02/12/2015] [Accepted: 02/13/2015] [Indexed: 12/11/2022]
Abstract
BACKGROUND Mesenchymal stem cells are multi-potent progenitor cells that inhibit tumor growth by some ligands and releasing factors including TRAIL, DKK-1 and DKK-3. On other hands, photodynamic therapy is commonly used for treatment of different types of cancer. The aims of this study are to investigate of MSCs conditioned media and ALA mediated photodynamic therapy in breast cancer. MATERIAL AND METHODS Condition media was derived after documentation of mouse adipose derived MSCs. For photodynamic therapy (PDT), ALA was used at the final concentrations of 1mM for 4-h followed by exposure to red light with a peak wave length of 632-nm, delivered from diode laser located at 2 cm to achieve a total light dose of 5 Joules (J)/cm(2). Apoptosis and growth of 4T1 cancer cells were analyzed in different groups including MSCs derived condition media, PDT and MSCs derived condition media plus PDT by flow cytometry. Growth of cancer cells were assessed using MTT test. RESULTS Our findings showed expression of TRAIL on mouse adipose-derived MSCs surfaces. Furthermore, treatment of 4T1 cancer cells with MSCs conditioned media cause to inhibit the cancer cells growth. Also, MSCs conditioned media with PDT have significantly synergic effects to induce apoptosis in breast cancer cells (P < 0.05). Growth of cancer cells remarkably decreased after treatment with MSCs conditioned media and PDT in time-dependent manner (P < 0.01). CONCLUSION Results revealed that MSCs conditioned media induced the apoptosis in 4T1 breast cancer cells and apoptotic effects of MSCs conditioned media were intensified following photodynamic therapy. This study showed that MSCs conditioned media combined with PDT may be useful as a novel treatment modality into the development of therapeutic strategies for treatment of breast cancer.
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Affiliation(s)
- Hemn Mohammadpour
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Keivan Majidzadeh-A
- Cancer Genetics Department, Breast Cancer Research Center (BCRC), ACECR, Tehran, Iran; Tasnim Biotechnology Research Center (TBRC), Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran.
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99
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Pizova K, Bajgar R, Fillerova R, Kriegova E, Cenklova V, Langova K, Konecny P, Kolarova H. C-MYC and C-FOS expression changes and cellular aspects of the photodynamic reaction with photosensitizers TMPyP and ClAlPcS2. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2014; 142:186-96. [PMID: 25545333 DOI: 10.1016/j.jphotobiol.2014.12.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Revised: 11/25/2014] [Accepted: 12/01/2014] [Indexed: 02/04/2023]
Abstract
Photodynamic therapy (PDT) is based on the tumor-selective accumulation of photosensitizer followed by irradiation with light of an appropriate wavelength. After irradiation and in the presence of oxygen, photosensitizer induces cellular damage. The aim of this study was to evaluate effects of two photosensitizers TMPyP and ClAlPcS2 on cell lines to obtain better insight into their mechanisms of action. We determined cell viability, reactive oxygen species (ROS) generation and changes in expression levels of two important early response genes, C-MYC and C-FOS, on tumor MCF7 (human breast adenocarcinoma) and G361 (human melanoma) cell lines and non-tumor BJ cell line (human fibroblast) after photodynamic reaction with TMPyP and ClAlPcS2 as photosensitizers. In addition TMPyP and ClAlPcS2 cellular uptake and clearance and antioxidant capacity of the mentioned cell lines were investigated. We found appropriate therapeutic doses and confirmed that both tested photosensitizers are photodynamically efficient in treatment used cells in vitro. TMPyP is more efficient; it had higher ROS production and toxicity after irradiation by intermediate therapeutic doses than ClAlPcS2. We revealed that both TMPyP and ClAlPcS2-PDT increased C-FOS expression on tumor cell lines (G361 and MCF7), but not on non-tumor BJ cell line. Conversely, both TMPyP and ClAlPcS2-PDT decreased C-MYC expression on non-tumor BJ cell line but not on tumor cell lines. As first we tested these photosensitizers in such extent and we believe that it can help to better understand mechanisms of PDT and increase its efficiency and applicability.
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Affiliation(s)
- Klara Pizova
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University, Hnevotinska 3, 775 15 Olomouc, Czech Republic; Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Hnevotinska 5, 77900 Olomouc, Czech Republic.
| | - Robert Bajgar
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University, Hnevotinska 3, 775 15 Olomouc, Czech Republic; Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Hnevotinska 5, 77900 Olomouc, Czech Republic
| | - Regina Fillerova
- Department of Immunology, Faculty of Medicine and Dentistry, Palacky University, Hnevotinska 3, 775 15 Olomouc, Czech Republic
| | - Eva Kriegova
- Department of Immunology, Faculty of Medicine and Dentistry, Palacky University, Hnevotinska 3, 775 15 Olomouc, Czech Republic
| | - Vera Cenklova
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University, Hnevotinska 3, 775 15 Olomouc, Czech Republic; Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Hnevotinska 5, 77900 Olomouc, Czech Republic
| | - Katerina Langova
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University, Hnevotinska 3, 775 15 Olomouc, Czech Republic
| | - Petr Konecny
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Hnevotinska 5, 77900 Olomouc, Czech Republic
| | - Hana Kolarova
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University, Hnevotinska 3, 775 15 Olomouc, Czech Republic; Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Hnevotinska 5, 77900 Olomouc, Czech Republic
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Phthalocyanine-based photosensitizers: more efficient photodynamic therapy? Future Med Chem 2014; 6:1991-3. [DOI: 10.4155/fmc.14.139] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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