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Gierlich P, Donohoe C, Behan K, Kelly DJ, Senge MO, Gomes-da-Silva LC. Antitumor Immunity Mediated by Photodynamic Therapy Using Injectable Chitosan Hydrogels for Intratumoral and Sustained Drug Delivery. Biomacromolecules 2024; 25:24-42. [PMID: 37890872 PMCID: PMC10778090 DOI: 10.1021/acs.biomac.3c00591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 09/19/2023] [Indexed: 10/29/2023]
Abstract
Photodynamic therapy (PDT) is an anticancer therapy with proven efficacy; however, its application is often limited by prolonged skin photosensitivity and solubility issues associated with the phototherapeutic agents. Injectable hydrogels which can effectively provide intratumoral delivery of photosensitizers with sustained release are attracting increased interest for photodynamic cancer therapies. However, most of the hydrogels for PDT applications are based on systems with high complexity, and often, preclinical validation is not provided. Herein, we provide a simple and reliable pH-sensitive hydrogel formulation that presents appropriate rheological properties for intratumoral injection. For this, Temoporfin (m-THPC), which is one of the most potent clinical photosensitizers, was chemically modified to introduce functional groups that act as cross-linkers in the formation of chitosan-based hydrogels. The introduction of -COOH groups resulted in a water-soluble derivative, named PS2, that was the most promising candidate. Although PS2 was not internalized by the target cells, its extracellular activation caused effective damage to the cancer cells, which was likely mediated by lipid peroxidation. The injection of the hydrogel containing PS2 in the tumors was monitored by high-frequency ultrasounds and in vivo fluorescence imaging which confirmed the sustained release of PS2 for at least 72 h. Following local administration, light exposure was conducted one (single irradiation protocol) or three (multiple irradiation protocols) times. The latter delivered the best therapeutic outcomes, which included complete tumor regression and systemic anticancer immune responses. Immunological memory was induced as ∼75% of the mice cured with our strategy rejected a second rechallenge with live cancer cells. Additionally, the failure of PDT to treat immunocompromised mice bearing tumors reinforces the relevance of the host immune system. Finally, our strategy promotes anticancer immune responses that lead to the abscopal protection against distant metastases.
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Affiliation(s)
- Piotr Gierlich
- Medicinal
Chemistry, Trinity St. James’s Cancer Institute, Trinity Translational
Medicine Institute, St. James’s Hospital, Trinity College Dublin, The University of Dublin, Dublin 8, Ireland
- CQC,
Coimbra Chemistry Center, University of
Coimbra, Rua Larga 3004-535, Coimbra, Portugal
| | - Claire Donohoe
- Medicinal
Chemistry, Trinity St. James’s Cancer Institute, Trinity Translational
Medicine Institute, St. James’s Hospital, Trinity College Dublin, The University of Dublin, Dublin 8, Ireland
- CQC,
Coimbra Chemistry Center, University of
Coimbra, Rua Larga 3004-535, Coimbra, Portugal
| | - Kevin Behan
- Trinity
Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin
2 D02R590, Ireland
| | - Daniel J. Kelly
- Trinity
Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin
2 D02R590, Ireland
| | - Mathias O. Senge
- Medicinal
Chemistry, Trinity St. James’s Cancer Institute, Trinity Translational
Medicine Institute, St. James’s Hospital, Trinity College Dublin, The University of Dublin, Dublin 8, Ireland
- School
of Chemistry, Chair of Organic Chemistry, Trinity Biomedical Sciences
Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin 2 D02R590, Ireland
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2
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Kim TE, Chang JE. Recent Studies in Photodynamic Therapy for Cancer Treatment: From Basic Research to Clinical Trials. Pharmaceutics 2023; 15:2257. [PMID: 37765226 PMCID: PMC10535460 DOI: 10.3390/pharmaceutics15092257] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 08/29/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023] Open
Abstract
Photodynamic therapy (PDT) is an emerging and less invasive treatment modality for various types of cancer. This review provides an overview of recent trends in PDT research, ranging from basic research to ongoing clinical trials, focusing on different cancer types. Lung cancer, head and neck cancer, non-melanoma skin cancer, prostate cancer, and breast cancer are discussed in this context. In lung cancer, porfimer sodium, chlorin e6, and verteporfin have shown promising results in preclinical studies and clinical trials. For head and neck cancer, PDT has demonstrated effectiveness as an adjuvant treatment after surgery. PDT with temoporfin, redaporfin, photochlor, and IR700 shows potential in early stage larynx cancer and recurrent head and neck carcinoma. Non-melanoma skin cancer has been effectively treated with PDT using methyl aminolevulinate and 5-aminolevulinic acid. In prostate cancer and breast cancer, PDT research is focused on developing targeted photosensitizers to improve tumor-specific uptake and treatment response. In conclusion, PDT continues to evolve as a promising cancer treatment strategy, with ongoing research spanning from fundamental investigations to clinical trials, exploring various photosensitizers and treatment combinations. This review sheds light on the recent advancements in PDT for cancer therapy and highlights its potential for personalized and targeted treatments.
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Affiliation(s)
| | - Ji-Eun Chang
- College of Pharmacy, Dongduk Women’s University, Seoul 02748, Republic of Korea
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3
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Lobo CS, Mendes MIP, Pereira DA, Gomes-da-Silva LC, Arnaut LG. Photodynamic therapy changes tumour immunogenicity and promotes immune-checkpoint blockade response, particularly when combined with micromechanical priming. Sci Rep 2023; 13:11667. [PMID: 37468749 DOI: 10.1038/s41598-023-38862-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 07/16/2023] [Indexed: 07/21/2023] Open
Abstract
Photodynamic therapy (PDT) with redaporfin stimulates colon carcinoma (CT26), breast (4T1) and melanoma (B16F10) cells to display high levels of CD80 molecules on their surfaces. CD80 overexpression amplifies immunogenicity because it increases same cell (cis) CD80:PD-L1 interactions, which (i) disrupt binding of T-cells PD-1 inhibitory receptors with their ligands (PD-L1) in tumour cells, and (ii) inhibit CTLA-4 inhibitory receptors binding to CD80 in tumour cells. In some cancer cells, redaporfin-PDT also increases CTLA-4 and PD-L1 expressions and virtuous combinations between PDT and immune-checkpoint blockers (ICB) depend on CD80/PD-L1 or CD80/CTLA-4 tumour overexpression ratios post-PDT. This was confirmed using anti-CTLA-4 + PDT combinations to increase survival of mice bearing CT26 tumours, and to regress lung metastases observed with bioluminescence in mice with orthotopic 4T1 tumours. However, the primary 4T1 responded poorly to treatments. Photoacoustic imaging revealed low infiltration of redaporfin in the tumour. Priming the primary tumour with high-intensity (~ 60 bar) photoacoustic waves generated with nanosecond-pulsed lasers and light-to-pressure transducers improved the response of 4T1 tumours to PDT. Penetration-resistant tumours require a combination of approaches to respond to treatments: tumour priming to facilitate drug infiltration, PDT for a strong local effect and a change in immunogenicity, and immunotherapy for a systemic effect.
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Affiliation(s)
- Catarina S Lobo
- CQC, Chemistry Department, University of Coimbra, 3004-535, Coimbra, Portugal
| | - Maria Inês P Mendes
- CQC, Chemistry Department, University of Coimbra, 3004-535, Coimbra, Portugal
| | - Diogo A Pereira
- CQC, Chemistry Department, University of Coimbra, 3004-535, Coimbra, Portugal
| | | | - Luis G Arnaut
- CQC, Chemistry Department, University of Coimbra, 3004-535, Coimbra, Portugal.
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4
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Moloudi K, Abrahamse H, George BP. Photodynamic therapy induced cell cycle arrest and cancer cell synchronization: review. Front Oncol 2023; 13:1225694. [PMID: 37503319 PMCID: PMC10369002 DOI: 10.3389/fonc.2023.1225694] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 06/21/2023] [Indexed: 07/29/2023] Open
Abstract
Cell cycle arrest (CCA) is seen as a prime candidate for effective cancer therapy. This mechanism can help researchers to create new treatments to target cancer cells at particular stages of the cell cycle (CC). The CCA is a characteristic of various therapeutic modalities, including radiation (RT) and chemotherapy (CT), which synchronizes the cells and facilitates the standardization of radio-chemotherapy protocols. Although it was discovered that photodynamic treatment (PDT) had a biological effect on CCA in cancer cells, the mechanism remains unclear. Furthermore, besides conventional forms of cell death such as apoptosis, autophagy, and necrosis, various unconventional types of cell death including pyroptosis, mitotic catastrophe, paraptosis, ferroptosis, necroptosis, and parthanatos after PDT have been reported. Thus, a variety of elements, such as oxygen, the tumor's microenvironment, the characteristics of light, and photosensitizer (PS), influence the effectiveness of the PDT treatment, which have not yet been studied clearly. This review focuses on CCA induced by PDT for a variety of PSs agents on various cell lines. The CCA by PDT can be viewed as a remarkable effect and instructive for the management of the PDT protocol. Regarding the relationship between the quantity of reactive oxygen species (ROS) and its biological consequences, we have proposed two mathematical models in PDT. Finally, we have gathered recent in vitro and in vivo studies about CCA post-PDT at various stages and made suggestions about how it can standardize, potentiate, and customize the PDT methodology.
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5
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Lima E, Reis LV. Photodynamic Therapy: From the Basics to the Current Progress of N-Heterocyclic-Bearing Dyes as Effective Photosensitizers. Molecules 2023; 28:5092. [PMID: 37446758 DOI: 10.3390/molecules28135092] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 06/16/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
Photodynamic therapy, an alternative that has gained weight and popularity compared to current conventional therapies in the treatment of cancer, is a minimally invasive therapeutic strategy that generally results from the simultaneous action of three factors: a molecule with high sensitivity to light, the photosensitizer, molecular oxygen in the triplet state, and light energy. There is much to be said about each of these three elements; however, the efficacy of the photosensitizer is the most determining factor for the success of this therapeutic modality. Porphyrins, chlorins, phthalocyanines, boron-dipyrromethenes, and cyanines are some of the N-heterocycle-bearing dyes' classes with high biological promise. In this review, a concise approach is taken to these and other families of potential photosensitizers and the molecular modifications that have recently appeared in the literature within the scope of their photodynamic application, as well as how these compounds and their formulations may eventually overcome the deficiencies of the molecules currently clinically used and revolutionize the therapies to eradicate or delay the growth of tumor cells.
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Affiliation(s)
- Eurico Lima
- CQ-VR-Chemistry Centre of Vila Real, University of Trás-os-Montes and Alto Douro, Quinta de Prados, 5001-801 Vila Real, Portugal
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Av. Infante D. Henrique, 6201-506 Covilhã, Portugal
| | - Lucinda V Reis
- CQ-VR-Chemistry Centre of Vila Real, University of Trás-os-Montes and Alto Douro, Quinta de Prados, 5001-801 Vila Real, Portugal
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6
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Penetra M, Arnaut LG, Gomes-da-Silva LC. Trial watch: an update of clinical advances in photodynamic therapy and its immunoadjuvant properties for cancer treatment. Oncoimmunology 2023; 12:2226535. [PMID: 37346450 PMCID: PMC10281486 DOI: 10.1080/2162402x.2023.2226535] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 06/23/2023] Open
Abstract
Photodynamic therapy (PDT) is a medical treatment used to target solid tumors, where the administration of a photosensitizing agent and light generate reactive oxygen species (ROS), thus resulting in strong oxidative stress that selectively damages the illuminated tissues. Several preclinical studies have demonstrated that PDT can prime the immune system to recognize and attack cancer cells throughout the body. However, there is still limited evidence of PDT-mediated anti-tumor immunity in clinical settings. In the last decade, several clinical trials on PDT for cancer treatment have been initiated, indicating that significant efforts are being made to improve current PDT protocols. However, most of these studies disregarded the immunological dimension of PDT. The immunomodulatory properties of PDT can be combined with standard therapy and/or emerging immunotherapies, such as immune checkpoint blockers (ICBs), to achieve better disease control. Combining PDT with immunotherapy has shown synergistic effects in some preclinical models. However, the value of this combination in patients is still unknown, as the first clinical trials evaluating the combination of PDT with ICBs are just being initiated. Overall, this Trial Watch provides a summary of recent clinical information on the immunomodulatory properties of PDT and ongoing clinical trials using PDT to treat cancer patients. It also discusses the future perspectives of PDT for oncological indications.
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Affiliation(s)
- Mafalda Penetra
- CQC - Coimbra Chemistry Center, Universidade de Coimbra, Coimbra, Portugal
| | - Luís G. Arnaut
- CQC - Coimbra Chemistry Center, Universidade de Coimbra, Coimbra, Portugal
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7
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Huis in ‘t Veld RV, Heuts J, Ma S, Cruz LJ, Ossendorp FA, Jager MJ. Current Challenges and Opportunities of Photodynamic Therapy against Cancer. Pharmaceutics 2023; 15:pharmaceutics15020330. [PMID: 36839652 PMCID: PMC9965442 DOI: 10.3390/pharmaceutics15020330] [Citation(s) in RCA: 42] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/06/2023] [Accepted: 01/12/2023] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Photodynamic therapy (PDT) is an established, minimally invasive treatment for specific types of cancer. During PDT, reactive oxygen species (ROS) are generated that ultimately induce cell death and disruption of the tumor area. Moreover, PDT can result in damage to the tumor vasculature and induce the release and/or exposure of damage-associated molecular patterns (DAMPs) that may initiate an antitumor immune response. However, there are currently several challenges of PDT that limit its widespread application for certain indications in the clinic. METHODS A literature study was conducted to comprehensively discuss these challenges and to identify opportunities for improvement. RESULTS The most notable challenges of PDT and opportunities to improve them have been identified and discussed. CONCLUSIONS The recent efforts to improve the current challenges of PDT are promising, most notably those that focus on enhancing immune responses initiated by the treatment. The application of these improvements has the potential to enhance the antitumor efficacy of PDT, thereby broadening its potential application in the clinic.
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Affiliation(s)
- Ruben V. Huis in ‘t Veld
- Department of Ophthalmology, Leiden University Medical Centre (LUMC), 2333 ZA Leiden, Zuid-Holland, The Netherlands
- Department of Radiology, Leiden University Medical Centre (LUMC), 2333 ZA Leiden, Zuid-Holland, The Netherlands
- Correspondence:
| | - Jeroen Heuts
- Department of Immunology, Leiden University Medical Centre (LUMC), 2333 ZA Leiden, Zuid-Holland, The Netherlands
| | - Sen Ma
- Department of Ophthalmology, Leiden University Medical Centre (LUMC), 2333 ZA Leiden, Zuid-Holland, The Netherlands
| | - Luis J. Cruz
- Department of Radiology, Leiden University Medical Centre (LUMC), 2333 ZA Leiden, Zuid-Holland, The Netherlands
| | - Ferry A. Ossendorp
- Department of Immunology, Leiden University Medical Centre (LUMC), 2333 ZA Leiden, Zuid-Holland, The Netherlands
| | - Martine J. Jager
- Department of Ophthalmology, Leiden University Medical Centre (LUMC), 2333 ZA Leiden, Zuid-Holland, The Netherlands
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8
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Malacarne MC, Gariboldi MB, Caruso E. BODIPYs in PDT: A Journey through the Most Interesting Molecules Produced in the Last 10 Years. Int J Mol Sci 2022; 23:ijms231710198. [PMID: 36077597 PMCID: PMC9456687 DOI: 10.3390/ijms231710198] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 08/31/2022] [Indexed: 11/19/2022] Open
Abstract
Over the past 30 years, photodynamic therapy (PDT) has shown great development. In the clinical setting the few approved molecules belong almost exclusively to the porphyrin family; but in the scientific field, in recent years many researchers have been interested in other families of photosensitizers, among which BODIPY has shown particular interest. BODIPY is the acronym for 4,4-difluoro-4-bora-3a, 4a-diaza-s-indacene, and is a family of molecules well-known for their properties in the field of imaging. In order for these molecules to be used in PDT, a structural modification is necessary which involves the introduction of heavy atoms, such as bromine and iodine, in the beta positions of the pyrrole ring; this change favors the intersystem crossing, and increases the 1O2 yield. This mini review focused on a series of structural changes made to BODIPYs to further increase 1O2 production and bioavailability by improving cell targeting or photoactivity efficiency.
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9
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Donohoe C, Schaberle FA, Rodrigues FMS, Gonçalves NPF, Kingsbury CJ, Pereira MM, Senge MO, Gomes-da-Silva LC, Arnaut LG. Unraveling the Pivotal Role of Atropisomerism for Cellular Internalization. J Am Chem Soc 2022; 144:15252-15265. [PMID: 35960892 PMCID: PMC9446767 DOI: 10.1021/jacs.2c05844] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The intrinsic challenge of large molecules to cross the cell membrane and reach intracellular targets is a major obstacle for the development of new medicines. We report how rotation along a single C-C bond, between atropisomers of a drug in clinical trials, improves cell uptake and therapeutic efficacy. The atropisomers of redaporfin (a fluorinated sulfonamide bacteriochlorin photosensitizer of 1135 Da) are separable and display orders of magnitude differences in photodynamic efficacy that are directly related to their differential cellular uptake. We show that redaporfin atropisomer uptake is passive and only marginally affected by ATP depletion, plasma proteins, or formulation in micelles. The α4 atropisomer, where meso-phenyl sulfonamide substituents are on the same side of the tetrapyrrole macrocycle, exhibits the highest cellular uptake and phototoxicity. This is the most amphipathic atropisomer with a conformation that optimizes hydrogen bonding (H-bonding) with polar head groups of membrane phospholipids. Consequently, α4 binds to the phospholipids on the surface of the membrane, flips into the membrane to adopt the orientation of a surfactant, and eventually diffuses to the interior of the cell (bind-flip mechanism). We observed increased α4 internalization by cells of the tumor microenvironment in vivo and correlated this to the response of photodynamic therapy when tumor illumination was performed 24 h after α4 administration. These results show that properly orientated aryl sulfonamide groups can be incorporated into drug design as efficient cell-penetrating motifs in vivo and reveal the unexpected biological consequences of atropisomerism.
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Affiliation(s)
- Claire Donohoe
- CQC, Coimbra Chemistry Center, University of Coimbra, Rua Larga, Coimbra 3004-535, Portugal.,Medicinal Chemistry, Trinity Translational Medicine Institute, Trinity Centre for Health Sciences, St. James's Hospital, Trinity College Dublin, The University of Dublin, Dublin 8, Ireland
| | - Fábio A Schaberle
- CQC, Coimbra Chemistry Center, University of Coimbra, Rua Larga, Coimbra 3004-535, Portugal
| | - Fábio M S Rodrigues
- CQC, Coimbra Chemistry Center, University of Coimbra, Rua Larga, Coimbra 3004-535, Portugal
| | - Nuno P F Gonçalves
- Luzitin SA, Ed. Bluepharma, S. Martinho do Bispo, Coimbra 3045-016, Portugal
| | - Christopher J Kingsbury
- School of Chemistry, Chair of Organic Chemistry, Trinity Biomedical Sciences Institute, Trinity College Dublin, The University of Dublin, 152-160 Pearse Street, Dublin 2, Ireland
| | - Mariette M Pereira
- CQC, Coimbra Chemistry Center, University of Coimbra, Rua Larga, Coimbra 3004-535, Portugal
| | - Mathias O Senge
- Medicinal Chemistry, Trinity Translational Medicine Institute, Trinity Centre for Health Sciences, St. James's Hospital, Trinity College Dublin, The University of Dublin, Dublin 8, Ireland.,Institute for Advanced Study (TUM-IAS), Technical University of Munich, Lichtenbergstrasse 2a, Garching 85748, Germany
| | - Lígia C Gomes-da-Silva
- CQC, Coimbra Chemistry Center, University of Coimbra, Rua Larga, Coimbra 3004-535, Portugal
| | - Luis G Arnaut
- CQC, Coimbra Chemistry Center, University of Coimbra, Rua Larga, Coimbra 3004-535, Portugal
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10
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Chen C, Wu C, Yu J, Zhu X, Wu Y, Liu J, Zhang Y. Photodynamic-based combinatorial cancer therapy strategies: Tuning the properties of nanoplatform according to oncotherapy needs. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214495] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Wysocki M, Czarczynska-Goslinska B, Ziental D, Michalak M, Güzel E, Sobotta L. Excited state and reactive oxygen species against cancer and pathogens: a review on sonodynamic and sono-photodynamic therapy. ChemMedChem 2022; 17:e202200185. [PMID: 35507015 DOI: 10.1002/cmdc.202200185] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 04/28/2022] [Indexed: 11/07/2022]
Abstract
Photodynamic and sonodynamic therapy are therapies having great potential in the treatment of bacterial infections and cancer. Their background is associated with photo- and sonosensitizers - substances that can be excited when exposed to light or ultrasound. These sensitizers belong to a variety of compounds groups, including porphyrins, porphyrazines, and phthalocyanines. Releasing the energy when returning to the ground state can occur in the manner of transferring it to oxygen molecules, leading to reactive oxygen species able to disrupt membranes of bacterial and cancer cells, leaving the organism's cells unaffected. In recent years, the number of reports on numerous sensitizers being effective has been constantly growing. Therefore, the development of this field may prove beneficial for dealing with cancer and microbes. This review describes the development of photodynamic and sonodynamic therapy, as well as their combination, with emphasize on sonodynamic therapy and its potential in the treatment of cancer and bacterial infections.
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Affiliation(s)
- Marcin Wysocki
- Poznan University of Medical Sciences Faculty of Pharmacy: Uniwersytet Medyczny im Karola Marcinkowskiego w Poznaniu Wydzial Farmaceutyczny, Chair and Department of Inorganic and Analytical Chemistry, POLAND
| | - Beata Czarczynska-Goslinska
- Poznan University of Medical Sciences Faculty of Pharmacy: Uniwersytet Medyczny im Karola Marcinkowskiego w Poznaniu Wydzial Farmaceutyczny, Chair and Department of Pharmaceutical Technology, POLAND
| | - Daniel Ziental
- Poznan University of Medical Sciences Faculty of Pharmacy: Uniwersytet Medyczny im Karola Marcinkowskiego w Poznaniu Wydzial Farmaceutyczny, Chair and Department of Inorganic and Analytical Chemistry, POLAND
| | - Maciej Michalak
- Poznan University of Medical Sciences Faculty of Pharmacy: Uniwersytet Medyczny im Karola Marcinkowskiego w Poznaniu Wydzial Farmaceutyczny, Chair and Department of Inorganic and Analytical Chemistry, POLAND
| | - Emre Güzel
- Sakarya Uygulamali Bilimler Universitesi, Department of Engineering Fundamental Sciences, TURKEY
| | - Lukasz Sobotta
- Uniwersytet Medyczny imienia Karola Marcinkowskiego w Poznaniu, Department of Inorganic and Analytical Chemistry, Grunwaldzka 6, 60780, Poznan, POLAND
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12
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Papayan G, Akopov A. Photodynamic Theranostics of Central Lung Cancer: Capabilities of Early Diagnosis and Minimally Invasive Therapy (Review). Sovrem Tekhnologii Med 2021; 13:78-86. [PMID: 35265362 PMCID: PMC8858399 DOI: 10.17691/stm2021.13.6.09] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Indexed: 11/14/2022] Open
Abstract
The aim of the study was to assess the prospects for central lung cancer (CLC) screening using fluorescent diagnostics and its treatment by endobronchial photodynamic therapy (PDT). Bronchoscopic fluorescent diagnostics using chlorin e6 photosensitizers and a developed instrumental system enable to reveal tumor changes in large bronchi mucosa at early stages, and a developed PDT technique performed under fluorescent control helps achieve personalized treatment. Such an approach is considered as a theranostic technique - photodynamic theranostics. central lung cancer screening requires a fluorescent dye characterized by availability and can be used directly within the examination. Indocyanine green can be used as a dye, its peculiarity is the necessity to excite and record fluorescence in the near-infrared (NIR) wavelength band. First experiments using NIR bands to diagnose a bronchoscopic system showed the detectability of tumor areas using on-site bronchoscopic photodynamic theranostics, which consists in NIR imaging of tumor foci when a standard dose of indocyanine green is administered during the examination. Conclusion Further progress of early diagnostics and minimally invasive CLC therapy will be determined by the development of new photosensitizers, which should be characterized by a high absorption band in NIR area, quick accumulation in a tumor, high yield of single oxygen in NIR illumination, bright fluorescence, high potential in terms of the induction of an anti-tumor immune response.
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Affiliation(s)
- G.V. Papayan
- Senior Researcher, Laser Medicine Center; Pavlov First Saint Petersburg State Medical University, 6-8 L’va Tolstogo St., Saint Petersburg, 197022, Russia; Senior Researcher, Research Department of Myocardial Microcirculation and Metabolism; Almazov National Medical Research Centre, 2 Akkuratova St., Saint Petersburg, 197341, Russia
| | - A.L. Akopov
- Professor, Head of Thoracic Surgery Department, Research Institute for Surgery and Emergency Medicine; Pavlov First Saint Petersburg State Medical University, 6-8 L’va Tolstogo St., Saint Petersburg, 197022, Russia
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13
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Nkune NW, Simelane NWN, Montaseri H, Abrahamse H. Photodynamic Therapy-Mediated Immune Responses in Three-Dimensional Tumor Models. Int J Mol Sci 2021; 22:12618. [PMID: 34884424 PMCID: PMC8657498 DOI: 10.3390/ijms222312618] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 11/16/2021] [Accepted: 11/16/2021] [Indexed: 12/12/2022] Open
Abstract
Photodynamic therapy (PDT) is a promising non-invasive phototherapeutic approach for cancer therapy that can eliminate local tumor cells and produce systemic antitumor immune responses. In recent years, significant efforts have been made in developing strategies to further investigate the immune mechanisms triggered by PDT. The majority of in vitro experimental models still rely on the two-dimensional (2D) cell cultures that do not mimic a three-dimensional (3D) cellular environment in the human body, such as cellular heterogeneity, nutrient gradient, growth mechanisms, and the interaction between cells as well as the extracellular matrix (ECM) and therapeutic resistance to anticancer treatments. In addition, in vivo animal studies are highly expensive and time consuming, which may also show physiological discrepancies between animals and humans. In this sense, there is growing interest in the utilization of 3D tumor models, since they precisely mimic different features of solid tumors. This review summarizes the characteristics and techniques for 3D tumor model generation. Furthermore, we provide an overview of innate and adaptive immune responses induced by PDT in several in vitro and in vivo tumor models. Future perspectives are highlighted for further enhancing PDT immune responses as well as ideal experimental models for antitumor immune response studies.
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Affiliation(s)
| | | | | | - Heidi Abrahamse
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, P.O. Box 17011, Johannesburg 2028, South Africa; (N.W.N.); (N.W.N.S.); (H.M.)
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De Silva P, Bano S, Pogue BW, Wang KK, Maytin EV, Hasan T. Photodynamic priming with triple-receptor targeted nanoconjugates that trigger T cell-mediated immune responses in a 3D in vitro heterocellular model of pancreatic cancer. NANOPHOTONICS 2021; 10:3199-3214. [PMID: 37485044 PMCID: PMC10361703 DOI: 10.1515/nanoph-2021-0304] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
Photodynamic priming (PDP), a collateral effect of photodynamic therapy, can transiently alter the tumor microenvironment (TME) beyond the cytotoxic zone. Studies have demonstrated that PDP increases tumor permeability and modulates immune-stimulatory effects by inducing immunogenic cell death, via the release of damage-associated molecular patterns and tumor-associated antigens. Pancreatic ductal adenocarcinoma (PDAC) is one of the deadliest of cancers with a stubborn immunosuppressive TME and a dense stroma, representing a challenge for current molecular targeted therapies often involving macromolecules. We, therefore, tested the hypothesis that PDP's TME modulation will enable targeted therapy and result in immune stimulation. Using triple-receptor-targeted photoimmuno-nanoconjugate (TR-PINs)-mediated PDP, targeting epidermal growth factor receptor, transferrin receptor, and human epidermal growth factor receptor 2 we show light dose-dependent TR-PINs mediated cytotoxicity inhuman PDA Ccells (MIAPaCa-2),co-cultured with human pancreatic cancer-associated fibroblasts (PCAFs) in spheroids. Furthermore, TR-PINs induced the expression of heat shock proteins (Hsp60, Hsp70), Calreticulin, and high mobility group box 1 in a light dose and time-dependent manner.TR-PINs-mediated T cell activation was observed in co-cultures of immune cells with the MIA PaCa-2-PCAF spheroids. Both CD4+ T and CD8+ T cells showed light dose and time-dependant antitumor reactivity by upregulating degranulation marker CD107a and interferon-gamma post-PDP. Substantial tumor cell death in immune cell-spheroid co-cultures by day 3 shows the augmentation by antitumor T cell activation and their ability to recognize tumors for a light dose-dependent kill. These data confirm enhanced destruction of heterogeneous pancreatic spheroids mediated by PDP-induced phototoxicity, TME modulation and increased immunogenicity with targeted nanoconstructs.
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Affiliation(s)
- Pushpamali De Silva
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Shazia Bano
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Brian W. Pogue
- Thayer School of Engineering, Dartmouth College, Hanover, NH, 03755, USA
| | - Kenneth K. Wang
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, 55905, USA
| | - Edward V. Maytin
- Departments of Dermatology and Biomedical Engineering, Cleveland Clinic, Cleveland, OH, 44195, USA
| | - Tayyaba Hasan
- Corresponding author: Tayyaba Hasan, Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, 40 Blossom Street, BAR 314A, Boston, MA, 02114, USA; and Division of Health Sciences and Technology, Massachusetts Institute of Technology, Harvard University, Cambridge, MA, 02139, USA,
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15
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Pobłocki K, Drzeżdżon J, Kostrzewa T, Jacewicz D. Coordination Complexes as a New Generation Photosensitizer for Photodynamic Anticancer Therapy. Int J Mol Sci 2021; 22:8052. [PMID: 34360819 PMCID: PMC8348047 DOI: 10.3390/ijms22158052] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 07/23/2021] [Accepted: 07/26/2021] [Indexed: 02/07/2023] Open
Abstract
Photodynamic therapy (PDT) has become an alternative to standard cancer treatment methods such as surgery, chemotherapy and radiotherapy. The uniqueness of this method relies on the possibility of using various photosensitizers (PS) that absorb and convert light emission in radical oxygen-derived species (ROS). They can be present alone or in the presence of other compounds such as metal organic frameworks (MOFs), non-tubules or polymers. The interaction between DNA and metal-based complexes plays a key role in the development of new anti-cancer drugs. The use of coordination compounds in PDT has a significant impact on the amount ROS generated, quantum emission efficiency (Φem) and phototoxic index (PI). In this review, we will attempt to systematically review the recent literature and analyze the coordination complexes used as PS in PDT. Finally, we compared the anticancer activities of individual coordination complexes and discuss future perspectives. So far, only a few articles link so many transition metal ion coordination complexes of varying degrees of oxidation, which is why this review is needed by the scientific community to further expand this field worldwide. Additionally, it serves as a convenient collection of important, up-to-date information.
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Affiliation(s)
- Kacper Pobłocki
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (K.P.); (D.J.)
| | - Joanna Drzeżdżon
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (K.P.); (D.J.)
| | - Tomasz Kostrzewa
- Department of Medical Chemistry, Faculty of Medicine, Medical University of Gdansk, 80-211 Gdansk, Poland;
| | - Dagmara Jacewicz
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (K.P.); (D.J.)
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16
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Antitumor immune responses induced by photodynamic and sonodynamic therapy: a narrative review. JOURNAL OF BIO-X RESEARCH 2021. [DOI: 10.1097/jbr.0000000000000080] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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17
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Zhou M, Liu X, Chen F, Yang L, Yuan M, Fu DY, Wang W, Yu H. Stimuli-activatable nanomaterials for phototherapy of cancer. Biomed Mater 2021; 16. [PMID: 33882463 DOI: 10.1088/1748-605x/abfa6e] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 04/21/2021] [Indexed: 12/24/2022]
Abstract
Phototherapy including photothermal therapy (PTT) and photodynamic therapy (PDT), as non-invasive therapy approaches, have gained accumulated attention for cancer treatment in past years. PTT and PDT can generate local hyperthermia effects and reactive oxygen species (ROS) respectively, for tumor eradication. To improve the therapeutic performance while minimizing the reverse side effects of phototherapy, extensive efforts have been devoted to developing stimuli-activatable (e.g. pH, redox, ROS, enzyme, etc) nanomaterials for tumor-specific delivery/activation of the phototherapeutics. In this review, we first overviewed the recent advances of the engineered stimuli-responsive nanovectors for the phototherapy of cancer. We particularly summarized the progress of stimuli-activatable nanomaterials-based combinatory therapy strategies for augmenting the performance of phototherapy. We further discuss challenges for the clinical translation of nanomaterials-based phototherapy.
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Affiliation(s)
- Mengjiao Zhou
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong 226000, Jiangsu, People's Republic of China
| | - Xiao Liu
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong 226000, Jiangsu, People's Republic of China.,State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Fangmin Chen
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Lili Yang
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong 226000, Jiangsu, People's Republic of China
| | - Minjian Yuan
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong 226000, Jiangsu, People's Republic of China
| | - Ding-Yi Fu
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong 226000, Jiangsu, People's Republic of China
| | - Weiqi Wang
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong 226000, Jiangsu, People's Republic of China.,State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Haijun Yu
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China.,Peking University Shenzhen Institute, Shenzhen 518055, People's Republic of China
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18
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Deng X, Shao Z, Zhao Y. Development of porphyrin and titanium dioxide sonosensitizers for sonodynamic cancer therapy. BIOMATERIALS TRANSLATIONAL 2021; 2:72-85. [PMID: 35837259 PMCID: PMC9255825 DOI: 10.3877/cma.j.issn.2096-112x.2021.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/20/2020] [Accepted: 11/04/2020] [Indexed: 01/17/2023]
Abstract
Sonodynamic therapy for malignant tumours has gained much attention for its deep penetration effect and efficient tumour killing ability. The design, modification, and utilization of sonosensitizers are important aspects of sonodynamic therapy. As an essential factor in this process, highly effective sonosensitizers should be developed to facilitate the clinical applications of sonodynamic therapy. This review takes porphyrin- and titanium dioxide (TiO2)-based systems as representative organic and inorganic sonosensitizers respectively, and summarizes their characteristics and biological effects as sonodynamic therapy. Upon discovery of novel sonosensitizers, sonodynamic therapy becomes an efficient means of adjuvant therapy for the treatment of malignant tumours.
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Affiliation(s)
- Xiangyu Deng
- Department of Orthopaedic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China,Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore
| | - Zengwu Shao
- Department of Orthopaedic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China,Corresponding authors: Zengwu Shao, ; Yanli Zhao,
| | - Yanli Zhao
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore,Corresponding authors: Zengwu Shao, ; Yanli Zhao,
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19
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Tang L, Wang Z, Mu Q, Yu Z, Jacobson O, Li L, Yang W, Huang C, Kang F, Fan W, Ma Y, Wang M, Zhou Z, Chen X. Targeting Neutrophils for Enhanced Cancer Theranostics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2002739. [PMID: 32656801 DOI: 10.1002/adma.202002739] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 06/18/2020] [Indexed: 05/18/2023]
Abstract
Improving tumor accumulation and delivery efficiency is an important goal of nanomedicine. Neutrophils play a vital role in both chemically mediating inflammatory response through myeloperoxidase (MPO) and biologically promoting metastasis during inflammation triggered by the primary tumor or environmental stimuli. Herein, a novel theranostic nanomedicine that targets both the chemical and biological functions of neutrophils in tumor is designed, facilitating the enhanced retention and sustained release of drug cargos for improved cancer theranostics. 5-hydroxytryptamine (5-HT) is equipped onto nanoparticles (NPs) loaded with photosensitizers and Zileuton (a leukotriene inhibitor) to obtain MPO and neutrophil targeting NPs, denoted as HZ-5 NPs. The MPO targeting property of 5-HT modified NPs is confirmed by noninvasive positron emission tomography imaging studies. Furthermore, photodynamic therapy is used to initiate the inflammatory response which further mediated the accumulation and retention of neutrophil targeting NPs in a breast cancer model. This design renders a greatly improved theranostic nanomedicine for efficient tumor suppression, and more importantly, inhibition of neutrophil-mediated lung metastasis via the sustained release of Zileuton. This work presents a novel strategy of targeting neutrophils for improved tumor theranostics, which may open up new avenues in designing nanomedicine through exploiting the tumor microenvironment.
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Affiliation(s)
- Longguang Tang
- The People's Hospital of Gaozhou, Maoming, 525200, China
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, 20892, USA
- Department of Chemistry, Stanford University, Stanford, CA, 94305, USA
| | - Zhantong Wang
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Qingchun Mu
- The People's Hospital of Gaozhou, Maoming, 525200, China
| | - Zhiqiang Yu
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou, 510515, China
| | - Orit Jacobson
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Ling Li
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Weijing Yang
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Chunming Huang
- The People's Hospital of Gaozhou, Maoming, 525200, China
| | - Fei Kang
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Wenpei Fan
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Ying Ma
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Maosheng Wang
- The People's Hospital of Gaozhou, Maoming, 525200, China
| | - Zijian Zhou
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, 20892, USA
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20
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Novel Therapies Boosting T Cell Immunity in Epstein Barr Virus-Associated Nasopharyngeal Carcinoma. Int J Mol Sci 2020; 21:ijms21124292. [PMID: 32560253 PMCID: PMC7352617 DOI: 10.3390/ijms21124292] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/05/2020] [Accepted: 06/12/2020] [Indexed: 12/11/2022] Open
Abstract
Nasopharyngeal carcinoma (NPC) is a malignant tumour of the head and neck affecting localised regions of the world, with the highest rates described in Southeast Asia, Northern Africa, and Greenland. Its high morbidity rate is linked to both late-stage diagnosis and unresponsiveness to conventional anti-cancer treatments. Multiple aetiological factors have been described including environmental factors, genetics, and viral factors (Epstein Barr Virus, EBV), making NPC treatment that much more complex. The most common forms of NPCs are those that originate from the epithelial tissue lining the nasopharynx and are often linked to EBV infection. Indeed, they represent 75–95% of NPCs in the low-risk populations and almost 100% of NPCs in high-risk populations. Although conventional surgery has been improved with nasopharyngectomy’s being carried out using more sophisticated surgical equipment for better tumour resection, recent findings in the tumour microenvironment have led to novel treatment options including immunotherapies and photodynamic therapy, able to target the tumour and improve the immune system. This review provides an update on the disease’s aetiology and the future of NPC treatments with a focus on therapies activating T cell immunity.
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21
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Pucelik B, Sułek A, Drozd A, Stochel G, Pereira MM, Pinto SMA, Arnaut LG, Dąbrowski JM. Enhanced Cellular Uptake and Photodynamic Effect with Amphiphilic Fluorinated Porphyrins: The Role of Sulfoester Groups and the Nature of Reactive Oxygen Species. Int J Mol Sci 2020; 21:ijms21082786. [PMID: 32316355 PMCID: PMC7216003 DOI: 10.3390/ijms21082786] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 04/11/2020] [Accepted: 04/14/2020] [Indexed: 12/19/2022] Open
Abstract
A class of amphiphilic photosensitizers for photodynamic therapy (PDT) was developed. Sulfonate esters of modified porphyrins bearing-F substituents in the ortho positions of the phenyl rings have adequate properties for PDT, including absorption in the red, increased cellular uptake, favorable intracellular localization, low cytotoxicity, and high phototoxicity against A549 (human lung adenocarcinoma) and CT26 (murine colon carcinoma) cells. Moreover, the role of type I and type II photochemical processes was assessed by fluorescent probes specific for various reactive oxygen species (ROS). The photodynamic effect is improved not only by enhanced cellular uptake but also by the high generation of both singlet oxygen and oxygen-centered radicals. All of the presented results support the idea that the rational design of photosensitizers for PDT can be further improved by better understanding the determinants affecting its therapeutic efficiency and explain how smart structural modifications can make them suitable photosensitizers for application in PDT.
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Affiliation(s)
- Barbara Pucelik
- Faculty of Chemistry, Jagiellonian University, 30-387 Krakow, Poland
- Małopolska Center of Biotechnology, Jagiellonian University, 30-387 Krakow, Poland
| | - Adam Sułek
- Faculty of Chemistry, Jagiellonian University, 30-387 Krakow, Poland
| | - Agnieszka Drozd
- Faculty of Chemistry, Jagiellonian University, 30-387 Krakow, Poland
| | - Grażyna Stochel
- Faculty of Chemistry, Jagiellonian University, 30-387 Krakow, Poland
| | | | - Sara M. A. Pinto
- Chemistry Department, University of Coimbra, 3004-535 Coimbra, Portugal
| | - Luis G. Arnaut
- Chemistry Department, University of Coimbra, 3004-535 Coimbra, Portugal
| | - Janusz M. Dąbrowski
- Faculty of Chemistry, Jagiellonian University, 30-387 Krakow, Poland
- Correspondence: ; Tel.: +48-12-686-2488; Fax: +48-12-686-2750
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