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Suzuki M, Kobayashi H, Hara D, Hanaoka H. Elimination of radiation-induced senescent cancer cells and stromal cells in vitro by near-infrared photoimmunotherapy. Cancer Med 2024; 13:e7381. [PMID: 38888415 PMCID: PMC11184651 DOI: 10.1002/cam4.7381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 05/13/2024] [Accepted: 05/28/2024] [Indexed: 06/20/2024] Open
Abstract
INTRODUCTION Therapy-induced senescent cancer and stromal cells secrete cytokines and growth factors to promote tumor progression. Therefore, senescent cells may be novel targets for tumor treatment. Near-infrared photoimmunotherapy (NIR-PIT) is a highly tumor-selective therapy that employs conjugates of a molecular-targeting antibody and photoabsorber. Thus, NIR-PIT has the potential to be applied as a novel senolytic therapy. This study aims to investigate the efficacy of NIR-PIT treatment on senescent cancer and stromal cells. METHODS Two cancer cell lines (human lung adenocarcinoma A549 cells and human pancreatic cancer MIA PaCa-2 cells) and two normal cell lines (mouse fibroblast transfected with human epidermal growth factor receptor 2 [HER2] cells and human fibroblast WI38 cells) were used. The cytotoxicity of NIR-PIT was evaluated using anti-epidermal growth factor receptor (EGFR) antibody panitumumab and anti-HER2 antibody transtuzumab. RESULTS Cellular senescence was induced in A549 and MIA PaCa-2 cells by 10 Gy γ-irradiation. The up-regulation of cellular senescence markers and characteristic morphological changes in senescent cells, including enlargement, flattening, and multinucleation, were observed in cancer cells after 5 days of γ-irradiation. Then, NIR-PIT targeting EGFR was performed on these senescent cancer cells. The NIR-PIT induced morphological changes, including bleb formation, swelling, and the inflow of extracellular fluid, and induced a significant decrease in cellular viability. These results suggested that NIR-PIT may induce cytotoxicity using the same mechanism in senescent cancer cells. In addition, similar morphological changes were also induced in radiation-induced senescent 3T3-HER2 fibroblasts by NIR-PIT targeting human epidermal growth factor receptor 2. CONCLUSION NIR-PIT eliminates both senescent cancer and stromal cells in vitro suggesting it may be a novel strategy for tumor treatment.
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Affiliation(s)
- Motofumi Suzuki
- Division of Fundamental Technology DevelopmentNear InfraRed Photo‐ImmunoTherapy Research Institute at Kansai Medical UniversityHirakataOsakaJapan
| | - Hisataka Kobayashi
- Molecular Imaging Branch, Center for Cancer ResearchNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
| | - Daiki Hara
- Division of Fundamental Technology DevelopmentNear InfraRed Photo‐ImmunoTherapy Research Institute at Kansai Medical UniversityHirakataOsakaJapan
| | - Hirofumi Hanaoka
- Division of Fundamental Technology DevelopmentNear InfraRed Photo‐ImmunoTherapy Research Institute at Kansai Medical UniversityHirakataOsakaJapan
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2
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Nakajima K, Ogawa M. Near-infrared photoimmunotherapy and anti-cancer immunity. Int Immunol 2024; 36:57-64. [PMID: 37843836 DOI: 10.1093/intimm/dxad042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 10/14/2023] [Indexed: 10/17/2023] Open
Abstract
The activation of the anti-cancer immune system is an important strategy to control cancer. A new form of cancer phototherapy, near-infrared photoimmunotherapy (NIR-PIT), was approved for clinical use in 2020 and uses IRDye® 700DX (IR700)-conjugated antibodies and NIR light. After irradiation with NIR light, the antibody-IR700 conjugate forms water-insoluble aggregations on the plasma membrane of target cells. This aggregation causes lethal damage to the plasma membrane, and effectively leads to immunogenic cell death (ICD). Subsequently, ICD activates anti-cancer immune cells such as dendritic cells and cytotoxic T cells. Combination therapy with immune-checkpoint blockade has synergistically improved the anti-cancer effects of NIR-PIT. Additionally, NIR-PIT can eliminate immunosuppressive immune cells in light-irradiated tumors by using specific antibodies against regulatory T cells and myeloid-derived suppressor cells. In addition to cancer-cell-targeted NIR-PIT, such immune-cell-targeted NIR-PIT has shown promising results by activating the anti-cancer immune system. Furthermore, NIR-PIT can be used to manipulate the tumor microenvironment by eliminating only targeted cells in the tumor, and thus it also can be used to gain insight into immunity in basic research.
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Affiliation(s)
- Kohei Nakajima
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido 060-0812, Japan
| | - Mikako Ogawa
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido 060-0812, Japan
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3
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Mowday AM, van de Laak JM, Fu Z, Henare KL, Dubois L, Lambin P, Theys J, Patterson AV. Tumor-targeting bacteria as immune stimulants - the future of cancer immunotherapy? Crit Rev Microbiol 2024:1-16. [PMID: 38346140 DOI: 10.1080/1040841x.2024.2311653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 01/24/2024] [Indexed: 03/22/2024]
Abstract
Cancer immunotherapies have been widely hailed as a breakthrough for cancer treatment in the last decade, epitomized by the unprecedented results observed with checkpoint blockade. Even so, only a minority of patients currently achieve durable remissions. In general, responsive patients appear to have either a high number of tumor neoantigens, a preexisting immune cell infiltrate in the tumor microenvironment, or an 'immune-active' transcriptional profile, determined in part by the presence of a type I interferon gene signature. These observations suggest that the therapeutic efficacy of immunotherapy can be enhanced through strategies that release tumor neoantigens and/or produce a pro-inflammatory tumor microenvironment. In principle, exogenous tumor-targeting bacteria offer a unique solution for improving responsiveness to immunotherapy. This review discusses how tumor-selective bacterial infection can modulate the immunological microenvironment of the tumor and the potential for combination with cancer immunotherapy strategies to further increase therapeutic efficacy. In addition, we provide a perspective on the clinical translation of replicating bacterial therapies, with a focus on the challenges that must be resolved to ensure a successful outcome.
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Affiliation(s)
- Alexandra M Mowday
- Auckland Cancer Society Research Centre, School of Medical Sciences, University of Auckland, Auckland, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand
| | - Jella M van de Laak
- The M-Lab, Department of Precision Medicine, GROW-Research School of Oncology and Reproduction, Maastricht University, Maastricht, The Netherlands
| | - Zhe Fu
- Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | - Kimiora L Henare
- Auckland Cancer Society Research Centre, School of Medical Sciences, University of Auckland, Auckland, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand
| | - Ludwig Dubois
- The M-Lab, Department of Precision Medicine, GROW-Research School of Oncology and Reproduction, Maastricht University, Maastricht, The Netherlands
| | - Philippe Lambin
- The M-Lab, Department of Precision Medicine, GROW-Research School of Oncology and Reproduction, Maastricht University, Maastricht, The Netherlands
| | - Jan Theys
- The M-Lab, Department of Precision Medicine, GROW-Research School of Oncology and Reproduction, Maastricht University, Maastricht, The Netherlands
| | - Adam V Patterson
- Auckland Cancer Society Research Centre, School of Medical Sciences, University of Auckland, Auckland, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand
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4
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Ogawa M. Targeted Molecular Imaging and Therapy Based on Nuclear and Optical Technologies. Biol Pharm Bull 2024; 47:1066-1071. [PMID: 38825459 DOI: 10.1248/bpb.b24-00008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2024]
Abstract
Both nuclear and optical imaging are used for in vivo molecular imaging. Nuclear imaging displays superior quantitativity, and it permits imaging in deep tissues. Thus, this method is widely used clinically. Conversely, because of the low permeability of visible to near-IR light in living animals, it is difficult to visualize deep tissues via optical imaging. However, the light at these wavelengths has no ionizing effect, and it can be used without any restrictions in terms of location. Furthermore, optical signals can be controlled in vivo to accomplish target-specific imaging. Nuclear medicine and phototherapy have also evolved to permit targeted-specific imaging. In targeted nuclear therapy, beta emitters are conventionally used, but alpha emitters have received significant attention recently. Concerning phototherapy, photoimmunotherapy with near-IR light was approved in Japan in 2020. In this article, target-specific imaging and molecular targeted therapy utilizing nuclear medicine and optical technologies are discussed.
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Affiliation(s)
- Mikako Ogawa
- Laboratory of Bioanalysis and Molecular Imaging, Faculty of Pharmaceutical Sciences, Hokkaido University
- Institute for Chemical Reaction Design and Discovery (ICReDD), Hokkaido University
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5
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Idogawa H, Shinozaki T, Okano W, Matsuura K, Hayashi R. Nasopharyngeal Carcinoma Treated With Photoimmunotherapy. Cureus 2023; 15:e49315. [PMID: 38143705 PMCID: PMC10748799 DOI: 10.7759/cureus.49315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2023] [Indexed: 12/26/2023] Open
Abstract
Photoimmunotherapy is a new treatment modality in which a tumor-targeting monoclonal antibody is combined with a photoactivated dye and a laser is applied to destroy tumor cells. In Japan, insurance reimbursement for this treatment started in January 2021 for unresectable locally advanced or locally recurrent head and neck cancer. We used photoimmunotherapy to treat two patients with recurrent nasopharyngeal squamous cell carcinoma (NPSCC). The first patient was diagnosed with NPSCC (T1N0M0) and treated with definitive radiotherapy, leading complete response. A local recurrence was observed and treated with photoimmunotherapy. Seven months have passed, complete response is archived. The second patient was diagnosed with NPSCC (cT2N1M1). Multimodal therapy led to a complete response for all lesions. A local recurrent lesion appeared, and photoimmunotherapy has been repeatedly performed. The lesion was controlled as a stable disease for about one year. Photoimmunotherapy could be an effective treatment for local recurrence of NPSCC after radiotherapy.
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Affiliation(s)
- Hiroshi Idogawa
- Otolaryngology-Head & Neck Surgery, Hokkaido University, Sapporo, JPN
| | - Takeshi Shinozaki
- Head and Neck Surgery, National Cancer Center Hospital East Japan, Kashiwa, JPN
| | - Wataru Okano
- Head and Neck Surgery, National Cancer Center Hospital East Japan, Kashiwa, JPN
| | - Kazuto Matsuura
- Head and Neck Surgery, National Cancer Center Hospital East Japan, Kashiwa, JPN
| | - Ryuichi Hayashi
- Head and Neck Surgery, National Cancer Center Hospital East Japan, Kashiwa, JPN
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Doan VTH, Komatsu Y, Matsui H, Kawazoe N, Chen G, Yoshitomi T. Singlet oxygen-generating cell-adhesive glass surfaces for the fundamental investigation of plasma membrane-targeted photodynamic therapy. Free Radic Biol Med 2023; 207:239-246. [PMID: 37499887 DOI: 10.1016/j.freeradbiomed.2023.07.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 07/23/2023] [Accepted: 07/24/2023] [Indexed: 07/29/2023]
Abstract
Recently, plasma membrane-targeted photodynamic therapy has attracted attention as an effective cancer immunotherapeutic strategy. However, the released photosensitizers do not only adhere to the plasma membrane but may also be internalized in the cytosol, in endosomes/lysosomes, hindering investigations of the effects of photosensitizers attached to the plasma membrane. In this study, we developed a cell culture dish with singlet oxygen-generating cell-adhesive glass surfaces that allows investigation of the effects of photosensitizers attached to the plasma membrane. For cell adhesion, poly[N-(3-aminopropyl)methacrylamide] conjugated with hematoporphyrin PA-HpD was immobilized on the glass surfaces. Singlet oxygen was produced from the PA-HpD-immobilized glass surface upon laser irradiation at 635 nm. When murine colon adenocarcinoma 26 (Colon-26) cells were cultured on the PA-HpD-immobilized surface, the cells were swollen and ruptured, leading to effective apoptotic cell death using laser irradiation at 635 nm. In addition, microvesicles of approximately 10 μm in diameter were released from the plasma membrane into the culture medium. These phenomena were due to the oxidation of lipids in the cellular membrane, caused by the plasma membrane-targeted photodynamic therapy. In contrast, these phenomena were not observed on poly[N-(3-aminopropyl)methacrylamide]-immobilized glass surfaces. These results indicate that cell culture dishes with singlet oxygen-generating cell-adhesive glass surfaces can be used to investigate fundamental mechanisms in plasma membrane-targeted photodynamic therapy.
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Affiliation(s)
- Van Thi Hong Doan
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Yoshiki Komatsu
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan; Division of Gastroenterology, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Ibaraki, 305-8575, Japan
| | - Hirofumi Matsui
- Division of Gastroenterology, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Ibaraki, 305-8575, Japan
| | - Naoki Kawazoe
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Guoping Chen
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Toru Yoshitomi
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan.
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7
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Liang BJ, Pang S, Perttila R, Ma CH, Srivastava P, Gaitan B, Sorrin AJ, Fadul N, Rahman I, Ylo¨niemi Z, Roque DM, Hasan T, Uusimaa P, Huang HC. Fluorescence-guided photoimmunotherapy using targeted nanotechnology and ML7710 to manage peritoneal carcinomatosis. SCIENCE ADVANCES 2023; 9:eadi3441. [PMID: 37672582 PMCID: PMC10482332 DOI: 10.1126/sciadv.adi3441] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 08/03/2023] [Indexed: 09/08/2023]
Abstract
Fluorescence-guided intervention can bolster standard therapies by detecting and treating microscopic tumors before lethal recurrence. Tremendous progress in photoimmunotherapy and nanotechnology has been made to treat metastasis. However, many are lost in translation due to heterogeneous treatment effects. Here, we integrate three technological advances in targeted photo-activable multi-agent liposome (TPMAL), fluorescence-guided intervention, and laser endoscopy (ML7710) to improve photoimmunotherapy. TPMAL consists of a nanoliposome chemotherapy labeled with fluorophores for tracking and photosensitizer immunoconjugates for photoimmunotherapy. ML7710 is connected to Modulight Cloud to capture and analyze multispectral emission from TPMAL for fluorescence-guided drug delivery (FGDD) and fluorescence-guided light dosimetry (FGLD) in peritoneal carcinomatosis mouse models. FGDD revealed that TPMAL enhances drug delivery to metastases by 14-fold. ML7710 captured interpatient variability in TPMAL uptake and prompted FGLD in >50% of animals. By combining TPMAL, ML7710, and fluorescence-guided intervention, variation in treatment response was substantially reduced and tumor control improved without side effects.
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Affiliation(s)
- Barry J. Liang
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Sumiao Pang
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | | | - Chen-Hua Ma
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Payal Srivastava
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Brandon Gaitan
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Aaron J. Sorrin
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Nada Fadul
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Idrisa Rahman
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | | | - Dana M. Roque
- Marlene and Stewart Greenebaum Cancer Center, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Tayyaba Hasan
- Wellman Center for Photomedicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | | | - Huang-Chiao Huang
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
- Marlene and Stewart Greenebaum Cancer Center, University of Maryland School of Medicine, Baltimore, MD 21201, USA
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8
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Ryschich A, Dong Y, Schäfer M, Ryschich E, Karakhanova S. DWH24: a new antibody for fluorescence-based cell death analysis. Methods Appl Fluoresc 2023; 11:045006. [PMID: 37612784 DOI: 10.1088/2050-6120/aceed0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 08/09/2023] [Indexed: 08/25/2023]
Abstract
Antibodies have gained considerable importance in laboratory and clinical settings. Currently, antibodies are extensively employed for the diagnosis and treatment of several human diseases. Herein, using targeted and cell immunisation approaches, we developed and characterised an antibody clone, DWH24. We found that DWH24 is an IgMκtype antibody that enables excellent visualisation and quantification of dead cells using immunofluorescence, fluorescence microscopy, and flow cytometry. This property was proved by the spontaneous cell death of several tumour cell lines and stimulated T cells, as well as after chemo- and photodynamic therapy. Unlike conventional apoptosis and cell death markers, DWH24 binding occurred in a Ca2+- and protein-independent manner and enabled live imaging of cell death progress, as shown using time-lapse microscopy. The binding specificity of DWH24 was analysed using a human proteome microarray, which revealed a complex response profile with very high spot intensities against various proteins, such as tropomyosin variants and FAM131C. Accordingly, DWH24 can be employed as a suitable tool for the cost-effective and universal analysis of cell death using fluorescence imaging and flow cytometry.
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Affiliation(s)
- Anna Ryschich
- Section of Surgical Research, Clinic of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Yan Dong
- Section of Surgical Research, Clinic of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Michael Schäfer
- Section of Surgical Research, Clinic of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Eduard Ryschich
- Section of Surgical Research, Clinic of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Svetlana Karakhanova
- Section of Surgical Research, Clinic of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
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9
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Yang L, Chen Q, Gan S, Huang C, Zhang H, Sun H. Rational Design of Self-Reporting Photosensitizers for Cell Membrane-Targeted Photodynamic Therapy. Anal Chem 2023; 95:11988-11996. [PMID: 37530604 DOI: 10.1021/acs.analchem.3c01659] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/03/2023]
Abstract
Organelle-targeted photosensitizers (PSs) have demonstrated enhanced phototherapeutic effect by specifically destroying subcellular organelle. As a critical cellular organelle, the cell membrane plays crucial roles in maintaining cell integrity and regulating cellular communications. To date, a variety of membrane-targeted PSs have been developed and shown exceptional therapeutic effects. However, functional PSs that can achieve membrane-targeted photodynamic therapy (PDT) and real-time monitor the therapeutic process have rarely been reported. In particular, the development of self-reporting PS with near-infrared (NIR) absorption is highly desirable but remains a challenge. Herein, we presented two molecular rotor-based self-reporting PSs. One of the PSs, MRMP-2, possesses NIR absorption property, making it a promising candidate for clinical applications. These PSs could not only enable membrane-targeted PDT but also demonstrate selective fluorescence response toward viscosity. In this regard, the fluorescence variation of these PSs could be utilized to indicate the disruption of membrane structure during PDT process. By leveraging the feedback of the fluorescence signal, we could make intuitive judgement about the phototherapeutic results. As a result, these two PSs possess significant potential in the field of imaging-guided PDT.
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Affiliation(s)
- Liu Yang
- College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, P. R. China
- Department of Chemistry and COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon 999077, Hong Kong, China
| | - Qingxin Chen
- Department of Chemistry and COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon 999077, Hong Kong, China
- Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen 518057, P. R. China
| | - Shenglong Gan
- Department of Chemistry and COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon 999077, Hong Kong, China
- Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen 518057, P. R. China
| | - Chen Huang
- Department of Chemistry and COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon 999077, Hong Kong, China
- Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen 518057, P. R. China
| | - Huatang Zhang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
| | - Hongyan Sun
- Department of Chemistry and COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon 999077, Hong Kong, China
- Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen 518057, P. R. China
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Nakajima K, Sugikawa A, Yasui H, Higashikawa K, Suzuki C, Natsume T, Suzuki M, Takakura H, Tomita M, Takahashi S, Hirata K, Magata Y, Kuge Y, Ogawa M. In vivo imaging of acute physiological responses after treatment of cancer with near-infrared photoimmunotherapy. Mol Imaging Biol 2023:10.1007/s11307-023-01822-9. [PMID: 37193805 DOI: 10.1007/s11307-023-01822-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 04/24/2023] [Accepted: 04/27/2023] [Indexed: 05/18/2023]
Abstract
PURPOSE Near-infrared photoimmunotherapy (NIR-PIT) is a new cancer phototherapy using an antibody-photosensitizer conjugate (Ab-IR700). By NIR light irradiation, Ab-IR700 forms a water-insoluble aggregation on the plasma membrane of cancer cells, leading to lethal membrane damage of cancer cells with high selectivity. However, IR700 produces singlet oxygen, which induces non-selective inflammatory responses such as edema in normal tissues around the tumor. Understanding such treatment-emergent responses is important to minimize side effects and improve clinical outcomes. Thus, in this study, we evaluated physiological responses during NIR-PIT by magnetic resonance imaging (MRI) and positron emission tomography (PET). PROCEDURES Ab-IR700 was intravenously injected into tumor-bearing mice with two tumors on the right and left sides of the dorsum. At 24 h after injection, a tumor was irradiated with NIR light. Edema formation was examined by T1/T2/diffusion-weighted MRI and inflammation was investigated by PET with 2-deoxy-2-[18F]fluoro-D-glucose ([18F]FDG). Because inflammation can increase vascular permeability via inflammatory mediators, we evaluated changes in oxygen levels in tumors using a hypoxia imaging probe, [18F]fluoromisonidazole ([18F]FMISO). RESULTS The uptake of [18F]FDG in the irradiated tumor was significantly decreased compared to the control tumor, indicating the impairment of glucose metabolism induced by NIR-PIT. MRI and [18F]FDG-PET images showed that inflammatory edema with [18F]FDG accumulation was present in the surrounding normal tissues of the irradiated tumor. Furthermore, [18F]FMISO accumulation in the center of the irradiated tumor was relatively low, indicating the enhancement of oxygen supply due to increased vascular permeability. In contrast, high [18F]FMISO accumulation was observed in the peripheral region, indicating enhancement of hypoxia in the region. This could be because inflammatory edema was formed in the surrounding normal tissues, which blocked blood flow to the tumor. CONCLUSIONS We successfully monitored inflammatory edema and changes in oxygen levels during NIR-PIT. Our findings on the acute physiological responses after light irradiation will help to develop effective measures to minimize the side effects in NIR-PIT.
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Affiliation(s)
- Kohei Nakajima
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido, 060-0812, Japan
- Global Station for Biosurfaces and Drug Discovery, Global Institution for Collaborative Research and Education (GI-CoRE), Hokkaido University, Sapporo, Hokkaido, Japan
| | - Akiyo Sugikawa
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido, 060-0812, Japan
| | - Hironobu Yasui
- Central Institute of Isotope Science, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Kei Higashikawa
- Central Institute of Isotope Science, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Chie Suzuki
- Preeminent Medical Photonics Education & Research Center, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Takahiro Natsume
- Promotion Center for Medical Collaboration & Intellectual Property, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Motofumi Suzuki
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido, 060-0812, Japan
| | - Hideo Takakura
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido, 060-0812, Japan
| | - Mayu Tomita
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido, 060-0812, Japan
| | - Sachi Takahashi
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido, 060-0812, Japan
| | - Kenji Hirata
- Department of Nuclear Medicine, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
- Department of Diagnostic Imaging, Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Yasuhiro Magata
- Preeminent Medical Photonics Education & Research Center, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Yuji Kuge
- Central Institute of Isotope Science, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Mikako Ogawa
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido, 060-0812, Japan.
- Global Station for Biosurfaces and Drug Discovery, Global Institution for Collaborative Research and Education (GI-CoRE), Hokkaido University, Sapporo, Hokkaido, Japan.
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11
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Shibutani Y, Sato H, Suzuki S, Shinozaki T, Kamata H, Sugisaki K, Kawanobe A, Uozumi S, Kawasaki T, Hayashi R. A Case Series on Pain Accompanying Photoimmunotherapy for Head and Neck Cancer. Healthcare (Basel) 2023; 11:healthcare11060924. [PMID: 36981581 PMCID: PMC10048590 DOI: 10.3390/healthcare11060924] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/10/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
One of the most severe side effects of photoimmunotherapy (PIT) for head and neck cancer is pain. As there are presently no detailed reports on pain and pain management in PIT, we conducted a retrospective case series study. We conducted a retrospective study of five patients who had received PIT at the National Cancer Center Hospital East between January 2021 and June 2022 using medical chart data. All patients experienced pain, evidenced by an increased numerical rating scale (NRS) after PIT, regardless of the illumination method. The daily change in mean NRS rating shows that the pain was highest on the day of PIT, with ratings of 6.8 and 7.8 for the frontal and cylindrical diffuser methods, respectively; it dropped the following day quickly. Four of the five patients received fentanyl injections for postoperative pain management beginning on postoperative day (POD) 0. All patients who underwent therapy using a cylindrical diffuser required postoperative pain management with opioid drugs. Pain after PIT tended to be most intense immediately after or one hour after illumination and declined the following day, suggesting the need to have a pain relief plan in place in advance.
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Affiliation(s)
- Yuma Shibutani
- Department of Pharmacy, National Cancer Center Hospital East, Kashiwa 277-8577, Japan
| | - Haruna Sato
- Department of Pharmacy, National Cancer Center Hospital East, Kashiwa 277-8577, Japan
| | - Shinya Suzuki
- Department of Pharmacy, National Cancer Center Hospital East, Kashiwa 277-8577, Japan
| | - Takeshi Shinozaki
- Department of Head and Neck Surgery, National Cancer Center Hospital East, Kashiwa 277-8577, Japan
| | - Hayato Kamata
- Department of Pharmacy, National Cancer Center Hospital East, Kashiwa 277-8577, Japan
| | - Kazuki Sugisaki
- Department of Pharmacy, National Cancer Center Hospital East, Kashiwa 277-8577, Japan
| | - Atushi Kawanobe
- Department of Pharmacy, National Cancer Center Hospital East, Kashiwa 277-8577, Japan
| | - Shinya Uozumi
- Department of Pharmacy, National Cancer Center Hospital East, Kashiwa 277-8577, Japan
| | - Toshikatsu Kawasaki
- Department of Pharmacy, National Cancer Center Hospital East, Kashiwa 277-8577, Japan
| | - Ryuichi Hayashi
- Department of Head and Neck Surgery, National Cancer Center Hospital East, Kashiwa 277-8577, Japan
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12
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Chan C, Liu L, Dharmadhikari S, Shontz KM, Tan ZH, Bergman M, Shaffer T, Tram NK, Breuer CK, Stacy MR, Chiang T. A Multimodal Approach to Quantify Chondrocyte Viability for Airway Tissue Engineering. Laryngoscope 2023; 133:512-520. [PMID: 35612419 PMCID: PMC9691794 DOI: 10.1002/lary.30206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 03/23/2022] [Accepted: 04/11/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVES/HYPOTHESIS Partially decellularized tracheal scaffolds have emerged as a potential solution for long-segment tracheal defects. These grafts have exhibited regenerative capacity and the preservation of native mechanical properties resulting from the elimination of all highly immunogenic cell types while sparing weakly immunogenic cartilage. With partial decellularization, new considerations must be made about the viability of preserved chondrocytes. In this study, we propose a multimodal approach for quantifying chondrocyte viability for airway tissue engineering. METHODS Tracheal segments (5 mm) were harvested from C57BL/6 mice, and immediately stored in phosphate-buffered saline at -20°C (PBS-20) or biobanked via cryopreservation. Stored and control (fresh) tracheal grafts were implanted as syngeneic tracheal grafts (STG) for 3 months. STG was scanned with micro-computed tomography (μCT) in vivo. STG subjected to different conditions (fresh, PBS-20, or biobanked) were characterized with live/dead assay, terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL), and von Kossa staining. RESULTS Live/dead assay detected higher chondrocyte viability in biobanked conditions compared to PBS-20. TUNEL staining indicated that storage conditions did not alter the proportion of apoptotic cells. Biobanking exhibited a lower calcification area than PBS-20 in 3-month post-implanted grafts. Higher radiographic density (Hounsfield units) measured by μCT correlated with more calcification within the tracheal cartilage. CONCLUSIONS We propose a strategy to assess chondrocyte viability that integrates with vivo imaging and histologic techniques, leveraging their respective strengths and weaknesses. These techniques will support the rational design of partially decellularized tracheal scaffolds. LEVEL OF EVIDENCE N/A Laryngoscope, 133:512-520, 2023.
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Affiliation(s)
- Coreena Chan
- College of Medicine, The Ohio State University, Columbus, Ohio, U.S.A
| | - Lumei Liu
- Center for Regenerative Medicine, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, Ohio, U.S.A
- Department of Pediatric Otolaryngology, Nationwide Children's Hospital, Columbus, Ohio, U.S.A
| | - Sayali Dharmadhikari
- Center for Regenerative Medicine, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, Ohio, U.S.A
- Department of Pediatric Otolaryngology, Nationwide Children's Hospital, Columbus, Ohio, U.S.A
| | - Kimberly M Shontz
- Center for Regenerative Medicine, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, Ohio, U.S.A
| | - Zheng Hong Tan
- College of Medicine, The Ohio State University, Columbus, Ohio, U.S.A
| | - Maxwell Bergman
- Department of Otolaryngology-Head and Neck Surgery, The Ohio State University Medical Center, Columbus, Ohio, U.S.A
| | - Terri Shaffer
- Small Animal Imaging Facility, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, Ohio, U.S.A
| | - Nguyen K Tram
- Center for Regenerative Medicine, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, Ohio, U.S.A
| | - Christopher K Breuer
- Center for Regenerative Medicine, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, Ohio, U.S.A
- Department of Pediatric Surgery, Nationwide Children's Hospital, Columbus, Ohio, U.S.A
| | - Mitchel R Stacy
- Center for Regenerative Medicine, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, Ohio, U.S.A
| | - Tendy Chiang
- Center for Regenerative Medicine, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, Ohio, U.S.A
- Department of Pediatric Otolaryngology, Nationwide Children's Hospital, Columbus, Ohio, U.S.A
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13
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Xie Y, Sun Y, Sun J, Wang Y, Yu S, Zhou B, Xue B, Zheng X, Liu H, Dong B. Upconversion fluorescence-based PDT nanocomposites with self-oxygenation for malignant tumor therapy. Inorg Chem Front 2023; 10:93-107. [DOI: 10.1039/d2qi02217f] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/31/2023]
Abstract
Upconversion fluorescence-based-PDT nanocomposites with self-oxygenation have excellent anti-tumor properties, including deep penetration of the excitation light source and the ability to remodel the anoxic microenvironment, and has feasibility in clinical application.
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Affiliation(s)
- Yingling Xie
- Department of Cell Biology, College of Basic Medical Science, Jilin University, Changchun 130021, China
| | - Yue Sun
- Department of Oral Implantology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun 130021, P. R. China
| | - Jiao Sun
- Department of Cell Biology, College of Basic Medical Science, Jilin University, Changchun 130021, China
| | - Yuda Wang
- Department of Cell Biology, College of Basic Medical Science, Jilin University, Changchun 130021, China
| | - Siyao Yu
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, P. R. China
| | - Bingshuai Zhou
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, P. R. China
| | - Baigong Xue
- Department of Cell Biology, College of Basic Medical Science, Jilin University, Changchun 130021, China
| | - Xianhong Zheng
- Department of Cell Biology, College of Basic Medical Science, Jilin University, Changchun 130021, China
| | - Haipeng Liu
- Department of Plastic and Reconstructive Surgery, The First Bethune Hospital of Jilin University, Chang Chun 130021, P. R. China
| | - Biao Dong
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, P. R. China
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14
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Wei D, Qi J, Hamblin MR, Wen X, Jiang X, Yang H. Near-infrared photoimmunotherapy: design and potential applications for cancer treatment and beyond. Am J Cancer Res 2022; 12:7108-7131. [PMID: 36276636 PMCID: PMC9576624 DOI: 10.7150/thno.74820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 09/28/2022] [Indexed: 11/22/2022] Open
Abstract
Near-infrared photoimmunotherapy (NIR-PIT) is a newly developed cancer treatment modality based on a target-specific photosensitizer conjugate (TSPC) composed of an NIR phthalocyanine photosensitizer and an antigen-specific recognition system. NIR-PIT has predominantly been used for targeted therapy of tumors via local irradiation with NIR light, following binding of TSPC to antigen-expressing cells. Physical stress-induced membrane damage is thought to be a major mechanism underlying NIR-PIT-triggered photokilling. Notably, NIR-PIT can rapidly induce immunogenic cell death and activate the adaptive immune response, thereby enabling its combination with immune checkpoint inhibitors. Furthermore, NIR-PIT-triggered “super-enhanced permeability and retention” effects can enhance drug delivery into tumors. Supported by its potential efficacy and safety, NIR-PIT is a rapidly developing therapeutic option for various cancers. Hence, this review seeks to provide an update on the (i) broad range of target molecules suitable for NIR-PIT, (ii) various types of receptor-selective ligands for designing the TSPC “magic bullet,” (iii) NIR light parameters, and (iv) strategies for enhancing the efficacy of NIR-PIT. Moreover, we review the potential application of NIR-PIT, including the specific design and efficacy in 19 different cancer types, and its clinical studies. Finally, we summarize possible NIR-PIT applications in noncancerous conditions, including infection, pain, itching, metabolic disease, autoimmune disease, and tissue engineering.
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Affiliation(s)
- Danfeng Wei
- Department of Dermatology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China.,Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network West China Hospital, Sichuan University, Chengdu 610041, China.,NHC Key Lab of Transplant Engineering and Immunology, Organ Transplant Center, West China Hospital, Sichuan University, Chengdu, Chengdu 610041, China
| | - Jinxin Qi
- Department of Dermatology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China.,Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network West China Hospital, Sichuan University, Chengdu 610041, China
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa
| | - Xiang Wen
- Department of Dermatology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xian Jiang
- Department of Dermatology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China.,Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network West China Hospital, Sichuan University, Chengdu 610041, China
| | - Hao Yang
- NHC Key Lab of Transplant Engineering and Immunology, Organ Transplant Center, West China Hospital, Sichuan University, Chengdu, Chengdu 610041, China.,Sichuan Provincial Engineering Laboratory of Pathology in Clinical Application, West China Hospital, Sichuan University
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15
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Chen PL, Huang PY, Chen JY, Shi QY, Zhu YY, Chen Y, Liu LH, Zhang XZ. A self-delivery chimeric peptide for high efficient cell membrane-targeting low-temperature photothermal/photodynamic combinational therapy and metastasis suppression of tumor. Biomaterials 2022; 286:121593. [DOI: 10.1016/j.biomaterials.2022.121593] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 05/10/2022] [Accepted: 05/18/2022] [Indexed: 01/25/2023]
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16
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Singlet Oxygen, Photodynamic Therapy, and Mechanisms of Cancer Cell Death. JOURNAL OF ONCOLOGY 2022; 2022:7211485. [PMID: 35794980 PMCID: PMC9252714 DOI: 10.1155/2022/7211485] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 05/07/2022] [Accepted: 05/11/2022] [Indexed: 01/06/2023]
Abstract
Photodynamic therapy (PDT) can be developed into an important arsenal against cancer; it is a minimally invasive therapy, which is used in the treatment or/and palliation of a variety of cancers and benign diseases. The removal of cancerous tissue is achieved with the use of photosensitizer and a light source, which excites the photosensitizer. This excitation causes the photosensitizer to generate singlet oxygen and other reactive oxygen species. PDT has been used in several types of cancers including nonmelanoma skin cancer, bladder cancer, esophageal cancer, head and neck cancer, and non-small cell lung cancer (NSCLC). Although it is routinely used in nonmelanoma skin cancer, it has not been widely adopted in other solid cancers due to a lack of clinical data showing the superiority of PDT over other forms of treatment. Singlet oxygen used in PDT can alter the activity of the catalase, which induces immunomodulation through HOCl signaling. The singlet oxygen can induce apoptosis through both the extrinsic and intrinsic pathways. The extrinsic pathway of apoptosis starts with the activation of the Fas receptor by singlet oxygen that leads to activation of the caspase-7 and caspase-3. In the case of the intrinsic pathway, disruption caused by singlet oxygen in the mitochondria membrane leads to the release of cytochrome c, which binds with APAF-1 and procaspase-9, forming a complex, which activates caspase-3. Mechanisms of PDT action can vary according to organelles affected. In the plasma membrane, membrane disruption is caused by the oxidative stress leading to the intake of calcium ions, which causes swelling and rupture of cells due to excess intake of water, whereas disruption of lysosome causes the release of the cathepsins B and D, which cleave Bid into tBid, which changes the mitochondrial outer membrane permeability (MOMP). Oxidative stress causes misfolding of protein in the endoplasmic reticulum. When misfolding exceeds the threshold, it triggers unfolding protein response (UPR), which leads to activation of caspase-9 and caspase-3. Finally, the activation of p38 MAPK works as an alternative pathway for the induction of MOMP.
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17
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Kumari M, Kamat S, Jayabaskaran C. Usnic acid induced changes in biomolecules and their association with apoptosis in squamous carcinoma (A-431) cells: A flow cytometry, FTIR and DLS spectroscopic study. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 274:121098. [PMID: 35257985 DOI: 10.1016/j.saa.2022.121098] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/25/2022] [Accepted: 02/26/2022] [Indexed: 06/14/2023]
Abstract
Many natural products induce apoptotic cell death in cancer cells, though studies on their interactions with macromolecules are limited. For the first time, this study demonstrated the cytotoxic potential of usnic acid (UA) against squamous carcinoma (A-431) cells and the associated changes in cell surface proteins, lipids and DNA by attenuated total reflection- fourier transform infrared spectroscopy (ATR-FTIR) and dynamic light scattering (DLS) spectroscopic studies. The IC50 for UA was 98.9 µM after treatment of A-431 cells for 48 h, while the IC50 reduced to 39.2 µM after 72 h of incubation time. UA induced oxidative stress in treated cells as confirmed by DCFHDA flow cytometry assay, depletion in reduced glutathione and increase in lipid peroxidation. The oxidative stress resulted in conformation change in amide I, amide II protein bands and DNA as observed by ATR-FTIR in UA treated A-431 cells. Shift in secondary structures of proteins from α helix to β sheets and structural changes in DNA was observed in UA treated A-431 cells. An increase in the band intensity of phospholipids, increased distribution of lipid and change in membrane potential was noted in UA treated cells, which was confirmed by externalization of phosphatidylserine to the outer membrane by annexin V-FITC/PI assay. Increase in mitochondrial membrane potential, cell cycle arrest at G0/G1 phase by flow cytometry and activation of caspase-3/7 dependent proteins confirmed the UA induced apoptosis in treated A-431 cells. FTIR and DLS spectroscopy confirmed the changes in biomolecules after UA treatment, which were associated with apoptosis, as observed by flow cytometry.
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Affiliation(s)
- Madhuree Kumari
- Department of Biochemistry, Indian Institute of Science, Bangalore 560012, India.
| | - Siya Kamat
- Department of Biochemistry, Indian Institute of Science, Bangalore 560012, India
| | - C Jayabaskaran
- Department of Biochemistry, Indian Institute of Science, Bangalore 560012, India.
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18
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Takakura H, Matsuhiro S, Kobayashi M, Goto Y, Harada M, Taketsugu T, Ogawa M. Axial-ligand-cleavable silicon phthalocyanines triggered by near-infrared light toward design of photosensitizers for photoimmunotherapy. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2021.113749] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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19
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Mussini A, Uriati E, Bianchini P, Diaspro A, Cavanna L, Abbruzzetti S, Viappiani C. Targeted photoimmunotherapy for cancer. Biomol Concepts 2022; 13:126-147. [PMID: 35304984 DOI: 10.1515/bmc-2022-0010] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 02/24/2022] [Indexed: 12/12/2022] Open
Abstract
Photodynamic therapy (PDT) is a clinically approved procedure that can exert a curative action against malignant cells. The treatment implies the administration of a photoactive molecular species that, upon absorption of visible or near infrared light, sensitizes the formation of reactive oxygen species. These species are cytotoxic and lead to tumor cell death, damage vasculature, and induce inflammation. Clinical investigations demonstrated that PDT is curative and does not compromise other treatment options. One of the major limitations of the original method was the low selectivity of the photoactive compounds for malignant over healthy tissues. The development of conjugates with antibodies has endowed photosensitizing molecules with targeting capability, so that the compounds are delivered with unprecedented precision to the site of action. Given their fluorescence emission capability, these supramolecular species are intrinsically theranostic agents.
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Affiliation(s)
- Andrea Mussini
- Dipartimento di Scienze Matematiche, Fisiche e Informatiche, Università Degli Studi di Parma, Parma, Italy
| | - Eleonora Uriati
- Dipartimento di Scienze Matematiche, Fisiche e Informatiche, Università Degli Studi di Parma, Parma, Italy.,Department of Nanophysics, Nanoscopy, Istituto Italiano di Tecnologia, Genova, Italy
| | - Paolo Bianchini
- Dipartimento di Scienze Matematiche, Fisiche e Informatiche, Università Degli Studi di Parma, Parma, Italy.,Department of Nanophysics, Nanoscopy, Istituto Italiano di Tecnologia, Genova, Italy.,DIFILAB, Dipartimento di Fisica, Università Degli Studi di Genova, Genova, Italy
| | - Alberto Diaspro
- Department of Nanophysics, Nanoscopy, Istituto Italiano di Tecnologia, Genova, Italy.,DIFILAB, Dipartimento di Fisica, Università Degli Studi di Genova, Genova, Italy
| | - Luigi Cavanna
- Dipartimento di Oncologia-Ematologia, Azienda USL di Piacenza, Piacenza, Italy
| | - Stefania Abbruzzetti
- Dipartimento di Scienze Matematiche, Fisiche e Informatiche, Università Degli Studi di Parma, Parma, Italy
| | - Cristiano Viappiani
- Dipartimento di Scienze Matematiche, Fisiche e Informatiche, Università Degli Studi di Parma, Parma, Italy
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20
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Evaluation of Fluorescence Intensity and Antitumor Effect Using Real-Time Imaging in Photoimmunotherapy. Pharmaceuticals (Basel) 2022; 15:ph15020223. [PMID: 35215338 PMCID: PMC8880675 DOI: 10.3390/ph15020223] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 02/09/2022] [Accepted: 02/10/2022] [Indexed: 02/04/2023] Open
Abstract
Photoimmunotherapy (PIT) is a promising tumor-selective treatment method that uses light-absorbing dye-conjugated antibodies and light irradiation. It has been reported that IR700 fluorescence changes with light irradiation. The purpose of this study was to investigate the fluorescence intensity and antitumor effect of PIT using real-time fluorescence observation of tumors and predict the required irradiation dose. The near-infrared camera system LIGHTVISION was used to image IR700 during PIT treatment. IR700 showed a sharp decrease in fluorescence intensity in the early stage of treatment and almost reached a plateau at an irradiation dose of 40 J/cm. Cetuximab-PIT for A431 xenografts was performed at multiple doses from 0–100 J/cm. A significant antitumor effect was observed at 40 J/cm compared to no irradiation, and there was no significant difference between 40 J/cm and 100 J/cm. These results suggest that the rate of decay of the tumor fluorescence intensity correlates with the antitumor effect by real-time fluorescence imaging during PIT. In addition, when the fluorescence intensity of the tumor plateaued in real-time fluorescence imaging, it was assumed that the laser dose was necessary for treatment.
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21
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Tanaka A, Inami W, Suzuki Y, Kawata Y. Development of a direct point electron beam exposure system to investigate the biological functions of subcellular domains in a living biological cell. Micron 2022; 155:103214. [DOI: 10.1016/j.micron.2022.103214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 01/07/2022] [Accepted: 01/09/2022] [Indexed: 11/26/2022]
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22
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Takakura H. [Research on Photoimmunotherapy Based on Photochemical Property of Molecules]. YAKUGAKU ZASSHI 2022; 142:1313-1319. [PMID: 36450507 DOI: 10.1248/yakushi.22-00122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
Photoimmunotherapy (PIT) is a new cancer therapy that uses near-infrared (NIR) light and a conjugate of an antibody and a photosensitizer (IR700). Since both NIR light and the conjugate are not toxic for human, PIT has attracted attention as a promising cancer therapy with less side effects. However, there is no photosensitizer for PIT other than IR700. To improve the therapeutic effect, more light-sensitive dye is needed. To this end, we have studied the cytotoxic mechanism of PIT, showing that the hydrophilic axial ligand cleavage of IR700 by NIR light irradiation is important for the cytotoxicity. Herein, I focused on the triplet state (T1) of IR700 because the light-induced axial ligand cleavage reaction is thought to occur via the T1. First, the quantum yield of intersystem crossing, which is the transition efficiency from the excited singlet state (S1) to T1, was determined by analysis of the T1 kinetics using fluorescence correlation spectroscopy (FCS). Also, I examined whether the cytotoxicity of IR700 can be changed in the presence of a triplet quencher. The findings obtained here will be important information for the design of a new photosensitizer for PIT in the future.
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Affiliation(s)
- Hideo Takakura
- Laboratory for Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University
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23
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Nakajima K, Miyazaki F, Terada K, Takakura H, Suzuki M, Ogawa M. Comparison of low-molecular-weight ligand and whole antibody in prostate-specific membrane antigen targeted near-infrared photoimmunotherapy. Int J Pharm 2021; 609:121135. [PMID: 34571072 DOI: 10.1016/j.ijpharm.2021.121135] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 08/28/2021] [Accepted: 09/23/2021] [Indexed: 12/28/2022]
Abstract
Near-infrared photoimmunotherapy (NIR-PIT) is a cancer phototherapy that uses antibody-IR700 conjugate (Ab-IR700) and NIR light. Ab-IR700 forms aggregates on the plasma membranes of targeted cancer cells after light exposure, inducing lethal physical damage within the membrane. Low-molecular-weight (LMW) ligands are candidate targeting moieties instead of antibodies, but whether LMW-IR700 conjugates induce cell death by aggregation, the same mechanism as Ab-IR700, is unknown. Thus, we investigated differences in cytotoxicity and mechanisms between LMW-IR700 and Ab-IR700 targeting prostate-specific membrane antigen (PSMA). Both conjugates decreased cell viability to the same degree after light irradiation, but different morphological changes were observed in PSMA-positive LNCaP cells by microscopy. Cell swelling and bleb formation were induced by Ab-IR700, but only swelling was observed in cells treated with LMW-IR700, suggesting the cells were damaged via different cytotoxic mechanisms. However, LMW-IR700 induced bleb formation, a hallmark of NIR-PIT with Ab-IR700, when singlet oxygen was quenched or LMW-IR700 was localized only on the plasma membrane. Moreover, the water-soluble axial ligands of LMW-IR700 were cleaved, consistent with previous reports on Ab-IR700. Thus, the main cytotoxic mechanisms of Ab-IR700 and LMW-IR700 differ, although LMW-IR700 on the plasma membrane can cause aggregation-mediated cytotoxicity as well as Ab-IR700.
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Affiliation(s)
- Kohei Nakajima
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Fuka Miyazaki
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Kazuki Terada
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Hideo Takakura
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Motofumi Suzuki
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Mikako Ogawa
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido, Japan.
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24
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Inanami O, Hiraoka W, Goto Y, Takakura H, Ogawa M. EPR Characterisation of Phthalocyanine Radical Anions in Near‐Infrared Photocleavage of the Hydrophilic Axial Ligand of a Photoimmunotherapeutic Reagent, IR700. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Osamu Inanami
- Faculty of Veterinary Medicine Hokkaido University Sapporo 060-0818 Japan
| | - Wakako Hiraoka
- Department of Physics School of Science and Technology Meiji University Kawasaki 214-8571 Japan
| | - Yuto Goto
- Faculty of Pharmaceutical Sciences Hokkaido University Sapporo 060-0812 Japan
| | - Hideo Takakura
- Faculty of Pharmaceutical Sciences Hokkaido University Sapporo 060-0812 Japan
| | - Mikako Ogawa
- Faculty of Pharmaceutical Sciences Hokkaido University Sapporo 060-0812 Japan
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Ogawa M, Takakura H. Photoimmunotherapy: A new cancer treatment using photochemical reactions. Bioorg Med Chem 2021; 43:116274. [PMID: 34139484 DOI: 10.1016/j.bmc.2021.116274] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 06/04/2021] [Accepted: 06/05/2021] [Indexed: 12/23/2022]
Abstract
Photoimmunotherapy (PIT) is a new molecular-targeted phototherapy in which administration of an antibody conjugated to IR700 (Ab-IR700, a phthalocyanine derivative) is followed by irradiation with near-infrared light. PIT induces cell death due to cell membrane damage, and the formation of IR700 aggregates on the cell membrane triggered by photochemical reactions is an important mechanism of cell killing. Specifically, water-soluble axial ligands of IR700 are cleaved by the photochemical reaction, and the phthalocyanine stacks up due to the π-π interaction, resulting in the formation of aggregates. In addition, the formation of IR700 radical anions and their protonation are essential for the progress of this photochemical reaction. The elucidation of these mechanisms may lead to the development of more effective compounds in the future. In addition, the optical properties of phthalocyanine are expected to expand the medical application of phthalocyanine derivatives in the future.
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Affiliation(s)
- Mikako Ogawa
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Kita-12 Nishi-6, Kita-ku, Sapporo 060-0812, Japan.
| | - Hideo Takakura
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Kita-12 Nishi-6, Kita-ku, Sapporo 060-0812, Japan
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26
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Zhang H, Li Z, Huang H, Ouyang S, Deng Y, Zhao Q. Assaying of Cu 2+ with near-infrared l-cysteine-capped CdSeTe/CdS quantum dots and its effect on cell imaging. LUMINESCENCE 2021; 36:1513-1524. [PMID: 34048630 DOI: 10.1002/bio.4096] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 05/13/2021] [Accepted: 05/15/2021] [Indexed: 11/11/2022]
Abstract
Near-infrared (NIR) core-shell CdSeTe/CdS quantum dots (QDs) modified with l-cysteine were synthesized in aqueous solution. The QDs had a special NIR-emitting spectrum, high fluorescence stability and low cytotoxicity. In addition, they exhibited an obvious fluorescence quenching when Cu2+ was present. An NIR nanosensor was prepared for rapidly, sensitively, and selectively determining Cu2+ in solution quantitatively and monitoring the changes in Cu2+ in cells with fluorescence imaging in a semiquantitative way. The linear relationship between the relative fluorescence intensity (F0 /F) and the concentration of Cu2+ from 5.12 × 10-8 M to 2.56 × 10-5 M in solution was observed using an NIR fluorescence spectrophotometer with R2 equal to 0.9958. Moreover, in the experiment with the fluorescence microscope, F0 /F versus the concentration of Cu2+ from 5.00 × 10-8 M to 7.68 × 10-6 M also showed a good linear relationship with R2 equal to 0.9817. Practical water sample ion detecting experiments had good accuracy and recovery rates. Cell experiments showed that the NIR imaging intensity of cells was inversely proportional to the concentration of copper ions, therefore NIR QDs have great potential for detection of metal ions in solution and in cells.
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Affiliation(s)
- Huan Zhang
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, China
| | - Zhenzhen Li
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, China
| | - Huaying Huang
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, China
| | - Si Ouyang
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, China
| | - Yiqing Deng
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, China
| | - Qiang Zhao
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, China
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27
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Paus C, van der Voort R, Cambi A. Nanomedicine in cancer therapy: promises and hurdles of polymeric nanoparticles. EXPLORATION OF MEDICINE 2021. [DOI: 10.37349/emed.2021.00040] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The limitations of current cancer treatments have stimulated the application of nanotechnology to develop more effective and safer cancer therapies. Remarkable progress has been made in the development of nanomedicine to overcome issues associated with conventional cancer treatment, including low drug solubility, insufficient targeting, and drug resistance. The modulation of nanoparticles allows the improvement of drug pharmacokinetics, leading to improved targeting and reduced side effects. In addition, nanoparticles can be conjugated to ligands that specifically target cancer cells. Furthermore, strategies that exploit tumor characteristics to locally trigger drug release have shown to increase targeted drug delivery. However, although some clinical successes have been achieved, most nanomedicines fail to reach the clinic. Factors that hinder clinical translation vary from the complexity of design, incomplete understanding of biological mechanisms, and high demands during the manufacturing process. Clinical translation might be improved by combining knowledge from different disciplines such as cell biology, chemistry, and tumor pathophysiology. An increased understanding on how nanoparticle modifications affect biological systems is pivotal to improve design, eventually aiding development of more effective nanomedicines. This review summarizes the key successes that have been made in nanomedicine, including improved drug delivery and release by polymeric nanoparticles as well as the introduction of strategies that overcome drug resistance. In addition, the application of nanomedicine in immunotherapy is discussed, and several remaining challenges addressed.
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28
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Analysis of the triplet-state kinetics of a photosensitizer for photoimmunotherapy by fluorescence correlation spectroscopy. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2020.113094] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Hirata H, Kuwatani M, Nakajima K, Kodama Y, Yoshikawa Y, Ogawa M, Sakamoto N. Near-infrared photoimmunotherapy (NIR-PIT) on cholangiocarcinoma using a novel catheter device with light emitting diodes. Cancer Sci 2021; 112:828-838. [PMID: 33345417 PMCID: PMC7894014 DOI: 10.1111/cas.14780] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 12/14/2020] [Accepted: 12/17/2020] [Indexed: 12/11/2022] Open
Abstract
Near-infrared photoimmunotherapy (NIR-PIT) is a novel therapy for cancers that uses NIR light and antibody-photosensitizer (IR700) conjugates. However, it is difficult to deliver NIR light into the bile duct for cholangiocarcinoma (CCA) from the conventional extracorporeal apparatus. Thus, in this study, we developed a dedicated catheter with light emitting diodes (LEDs) that supersedes conventional external irradiation devices; we investigated the therapeutic effect of NIR-PIT for CCA using the novel catheter. The new catheter was designed to be placed in the bile duct and a temperature sensor was attached to the tip of the catheter to avoid thermal burn. An anti-epidermal growth factor receptor (EGFR) antibody, Panitumumab-IR700 conjugate or anti-human epidermal growth factor receptor type 2 (HER2) antibody, Trastuzumab-IR700 conjugate, was used with EGFR- or HER2-expressing cell lines, respectively. The in vitro efficacy of NIR-PIT was confirmed in cultured cells; the capability of the new catheter for NIR-PIT was then tested in a mouse tumor model. NIR-PIT via the developed catheter treated CCA xenografts in mice. NIR-PIT had an effect in Panitumumab-IR700 conjugate- and Trastuzumab-IR700 conjugate-treated CCA cells that depended on the receptor expression level. Tumor growth was significantly suppressed in mice treated with NIR-PIT using the novel catheter compared with controls (P < .01). NIR-PIT was an effective treatment for EGFR- and HER2-expressing CCA cells, and the novel catheter with mounted LEDs was useful for NIR-PIT of CCA.
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Affiliation(s)
- Hajime Hirata
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Masaki Kuwatani
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Kohei Nakajima
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
| | | | | | - Mikako Ogawa
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
| | - Naoya Sakamoto
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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30
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Kono Y, Yokoyama K, Suzuki M, Takakura H, Ogawa M. Surface Modification of Liposomes Using IR700 Enables Efficient Controlled Contents Release Triggered by Near-IR Light. Biol Pharm Bull 2020; 43:736-741. [PMID: 32238716 DOI: 10.1248/bpb.b19-00864] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Stimuli-responsive liposomes are promising drug carriers for cancer treatment because they enable controlled drug release and the maintenance of desired drug concentrations in tumor tissue. In particular, near-IR (NIR) light is a useful stimulus for triggering drug release from liposomes based on its advantages such as deep tissue penetration and safety. Previously, we found that a silicon phthalocyanine derivative, IR700, conjugated to antibodies, can induce the rupture of the cell membrane following irradiation by NIR light. Based on this finding, we constructed IR700-modified liposomes (IR700 liposomes) and evaluated their drug release properties triggered by NIR light. IR700 liposomes released substantial amounts of encapsulated calcein following irradiation by NIR light. Drug release was substantially suppressed by the addition of sodium azide, suggesting that liposomal membrane permeabilization was mediated by singlet oxygen generated from IR700. Moreover, calcein release from IR700 liposomes triggered by NIR light was promoted under conditions of deoxygenation and the presence of electron donors. Thus, membrane disruption should be induced by the physical change of IR700 from highly hydrophilic to hydrophobic as we previously described, although singlet oxygen can cause a certain level of membrane disruption under normoxia. We also observed that doxorubicin-encapsulated IR700 liposomes exhibited significant cytotoxic effects against CT-26 murine colon carcinoma cells following NIR light exposure. These results indicate that IR700 liposomes can efficiently release anti-cancer drugs following NIR light irradiation even under hypoxic conditions and, therefore, they would be useful for cancer treatment.
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Affiliation(s)
- Yusuke Kono
- Laboratory for Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University
| | - Kazuha Yokoyama
- Laboratory for Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University
| | - Motofumi Suzuki
- Laboratory for Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University
| | - Hideo Takakura
- Laboratory for Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University
| | - Mikako Ogawa
- Laboratory for Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University.,PRESTO, Japan Science and Technology Agency
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31
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Lum YL, Luk JM, Staunton DE, Ng DKP, Fong WP. Cadherin-17 Targeted Near-Infrared Photoimmunotherapy for Treatment of Gastrointestinal Cancer. Mol Pharm 2020; 17:3941-3951. [PMID: 32931292 DOI: 10.1021/acs.molpharmaceut.0c00700] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
In cancer photodynamic therapy (PDT), a photosensitizer taken up by cancer cells can generate reactive oxygen species upon near-infrared light activation to induce cancer cell death. To increase PDT potency and decrease its adverse effect, one approach is to conjugate the photosensitizer with an antibody that specifically targets cancer cells. In the present study, IR700, a hydrophilic phthalocyanine photosensitizer, was conjugated to the humanized monoclonal antibody ARB102, which binds specifically cadherin-17 (CDH17 aka CA17), a cell surface marker highly expressed in gastrointestinal cancer to produce ARB102-IR700. Photoimmunotherapy (PIT) of gastrointestinal cancer cell lines was conducted by ARB102-IR700 treatment and near-infrared light irradiation. The results showed that ARB102-IR700 PIT could induce cell death in CDH17-positive cancer cells with high potency. In a co-culture model, CDH17-negative and CDH17-overexpressing SW480 cells were labeled with distinct fluorescent dyes and cultured together prior to PIT treatment. The results confirmed that ARB102-IR700 PIT could kill CDH17-positive cells specifically, while leaving the adjacent CDH17-negative cells unaffected. An in vivo efficacy study was conducted using a pancreatic adenocarcinoma AsPC-1 xenograft tumor model in nude mice. Fluorescence scanning indicated that ARB102-IR700 accumulated specifically in the tumor sites. To perform PIT, at 24 and 48 h postinjection, mice were irradiated with a 680 nm laser at the tumor site to activate the photosensitizer. It was shown that ARB102-IR700 PIT could inhibit tumor growth significantly. In summary, this study demonstrated that the novel ARB102-IR700 is a promising agent for PIT in gastrointestinal cancers.
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Affiliation(s)
- Yick-Liang Lum
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
| | - John M Luk
- Arbele Limited, Shatin N.T., Hong Kong, China
| | | | - Dennis K P Ng
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
| | - Wing-Ping Fong
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
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32
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Kim EH, Park S, Kim YK, Moon M, Park J, Lee KJ, Lee S, Kim YP. Self-luminescent photodynamic therapy using breast cancer targeted proteins. SCIENCE ADVANCES 2020; 6:eaba3009. [PMID: 32917700 PMCID: PMC7486108 DOI: 10.1126/sciadv.aba3009] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Accepted: 07/23/2020] [Indexed: 05/10/2023]
Abstract
Despite the potential of photodynamic therapy (PDT), its comprehensive use in cancer treatment has not been achieved because of the nondegradable risks of photosensitizing drugs and limits of light penetration and instrumentation. Here, we present bioluminescence (BL)-induced proteinaceous PDT (BLiP-PDT), through the combination of luciferase and a reactive oxygen species (ROS)-generating protein (Luc-RGP), which is self-luminescent and degradable. After exposure to coelenterazine-h as a substrate for luciferase without external light irradiation, Luc-RGP fused with a small lead peptide-induced breast cancer cell death through the generation of BL-sensitive ROS in the plasma membrane. Even with extremely low light energy, BLiP-PDT exhibited targeted effects in primary breast cancer cells from patients and in in vivo tumor xenograft mouse models. These findings suggest that BLiP-PDT is immediately useful as a promising theranostic approach against various cancers.
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Affiliation(s)
- Eun Hye Kim
- Department of Life Science, Hanyang University, Seoul 04763, Korea
| | - Sangwoo Park
- Gwangju Center, Korea Basic Science Institute (KBSI), Gwangju 61186, Korea
| | - Yun Kyu Kim
- Department of Convergence Medicine, Asan Institute for Life Sciences, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Korea
| | - Minwoo Moon
- Department of Life Science, Hanyang University, Seoul 04763, Korea
| | - Jeongwon Park
- Gwangju Center, Korea Basic Science Institute (KBSI), Gwangju 61186, Korea
| | - Kyung Jin Lee
- Department of Convergence Medicine, Asan Institute for Life Sciences, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Korea.
- Research Institute for Natural Sciences, Hanyang University, Seoul 04763, Korea
| | - Seongsoo Lee
- Gwangju Center, Korea Basic Science Institute (KBSI), Gwangju 61186, Korea.
| | - Young-Pil Kim
- Department of Life Science, Hanyang University, Seoul 04763, Korea.
- Research Institute for Natural Sciences, Hanyang University, Seoul 04763, Korea
- Research Institute for Convergence of Basic Sciences, Hanyang University, Seoul 04763, Korea
- Institute of Nano Science and Technology, Hanyang University, Seoul 04763, Korea
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33
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Nakajima K, Ogawa M. Phototoxicity in near-infrared photoimmunotherapy is influenced by the subcellular localization of antibody-IR700. Photodiagnosis Photodyn Ther 2020; 31:101926. [DOI: 10.1016/j.pdpdt.2020.101926] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 07/16/2020] [Accepted: 07/20/2020] [Indexed: 10/23/2022]
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Kobayashi M, Harada M, Takakura H, Ando K, Goto Y, Tsuneda T, Ogawa M, Taketsugu T. Theoretical and Experimental Studies on the Near‐Infrared Photoreaction Mechanism of a Silicon Phthalocyanine Photoimmunotherapy Dye: Photoinduced Hydrolysis by Radical Anion Generation. Chempluschem 2020; 85:1959-1963. [DOI: 10.1002/cplu.202000338] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/01/2020] [Indexed: 12/27/2022]
Affiliation(s)
- Masato Kobayashi
- Faculty of Science Hokkaido University Sapporo 060-0810 Japan
- WPI-ICReDD Hokkaido University Sapporo 001-0021 Japan
| | - Mei Harada
- Faculty of Pharmaceutical Sciences Hokkaido University Sapporo 060-0812 Japan
| | - Hideo Takakura
- Faculty of Pharmaceutical Sciences Hokkaido University Sapporo 060-0812 Japan
| | - Kanta Ando
- Faculty of Pharmaceutical Sciences Hokkaido University Sapporo 060-0812 Japan
| | - Yuto Goto
- Faculty of Pharmaceutical Sciences Hokkaido University Sapporo 060-0812 Japan
| | - Takao Tsuneda
- Faculty of Science Hokkaido University Sapporo 060-0810 Japan
- Graduate School of Science Technology, and Innovation Kobe University Kobe 657-8501 Japan
| | - Mikako Ogawa
- Faculty of Pharmaceutical Sciences Hokkaido University Sapporo 060-0812 Japan
| | - Tetsuya Taketsugu
- Faculty of Science Hokkaido University Sapporo 060-0810 Japan
- WPI-ICReDD Hokkaido University Sapporo 001-0021 Japan
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35
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The Potential of Nanobody-Targeted Photodynamic Therapy to Trigger Immune Responses. Cancers (Basel) 2020; 12:cancers12040978. [PMID: 32326519 PMCID: PMC7226123 DOI: 10.3390/cancers12040978] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 04/13/2020] [Accepted: 04/13/2020] [Indexed: 02/07/2023] Open
Abstract
Nanobody-targeted photodynamic therapy (NB-PDT) has been recently developed as a more tumor-selective approach rather than conventional photodynamic therapy (PDT). NB-PDT uses nanobodies that bind to tumor cells with high affinity, to selectively deliver a photosensitizer, i.e., a chemical which becomes cytotoxic when excited with light of a particular wavelength. Conventional PDT has been reported to be able to induce immunogenic cell death, characterized by the exposure/release of damage-associated molecular patterns (DAMPs) from dying cells, which can lead to antitumor immunity. We explored this aspect in the context of NB-PDT, targeting the epidermal growth factor receptor (EGFR), using high and moderate EGFR-expressing cells. Here we report that, after NB-PDT, the cytoplasmic DAMP HSP70 was detected on the cell membrane of tumor cells and the nuclear DAMP HMGB1 was found in the cell cytoplasm. Furthermore, it was shown that NB-PDT induced the release of the DAMPs HSP70 and ATP, as well as the pro- inflammatory cytokines IL- 1β and IL-6. Conditioned medium from high EGFR-expressing tumor cells treated with NB-PDT led to the maturation of human dendritic cells, as indicated by the upregulation of CD86 and MHC II on their cell surface, and the increased release of IL-12p40 and IL-1β. Subsequently, these dendritic cells induced CD4+ T cell proliferation, accompanied by IFNγ release. Altogether, the initial steps reported here point towards the potential of NB-PDT to stimulate the immune system, thus giving this selective-local therapy a systemic reach.
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36
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Wang P, Yuan Y, Lin W, Zhong H, Xu K, Qi X. Roles of sphingosine-1-phosphate signaling in cancer. Cancer Cell Int 2019; 19:295. [PMID: 31807117 PMCID: PMC6857321 DOI: 10.1186/s12935-019-1014-8] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 11/01/2019] [Indexed: 12/15/2022] Open
Abstract
The potent pleiotropic lipid mediator sphingosine-1-phosphate (S1P) participates in numerous cellular processes, including angiogenesis and cell survival, proliferation, and migration. It is formed by one of two sphingosine kinases (SphKs), SphK1 and SphK2. These enzymes largely exert their various biological and pathophysiological actions through one of five G protein-coupled receptors (S1PR1–5), with receptor activation setting in motion various signaling cascades. Considerable evidence has been accumulated on S1P signaling and its pathogenic roles in diseases, as well as on novel modulators of S1P signaling, such as SphK inhibitors and S1P agonists and antagonists. S1P and ceramide, composed of sphingosine and a fatty acid, are reciprocal cell fate regulators, and S1P signaling plays essential roles in several diseases, including inflammation, cancer, and autoimmune disorders. Thus, targeting of S1P signaling may be one way to block the pathogenesis and may be a therapeutic target in these conditions. Increasingly strong evidence indicates a role for the S1P signaling pathway in the progression of cancer and its effects. In the present review, we discuss recent progress in our understanding of S1P and its related proteins in cancer progression. Also described is the therapeutic potential of S1P receptors and their downstream signaling cascades as targets for cancer treatment.
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Affiliation(s)
- Peng Wang
- 1Key Laboratory of Diagnostic Imaging and Interventional Radiology of Liaoning Province, Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, 110001 Liaoning China
| | - Yonghui Yuan
- 1Key Laboratory of Diagnostic Imaging and Interventional Radiology of Liaoning Province, Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, 110001 Liaoning China.,2Research and Academic Department, Cancer Hospital of China Medical University Liaoning Cancer Hospital & Institute, Shenyang, 110042 Liaoning China
| | - Wenda Lin
- 1Key Laboratory of Diagnostic Imaging and Interventional Radiology of Liaoning Province, Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, 110001 Liaoning China
| | - Hongshan Zhong
- 1Key Laboratory of Diagnostic Imaging and Interventional Radiology of Liaoning Province, Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, 110001 Liaoning China
| | - Ke Xu
- 1Key Laboratory of Diagnostic Imaging and Interventional Radiology of Liaoning Province, Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, 110001 Liaoning China
| | - Xun Qi
- 1Key Laboratory of Diagnostic Imaging and Interventional Radiology of Liaoning Province, Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, 110001 Liaoning China
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37
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Zhou J, Wang G, Chen Y, Wang H, Hua Y, Cai Z. Immunogenic cell death in cancer therapy: Present and emerging inducers. J Cell Mol Med 2019; 23:4854-4865. [PMID: 31210425 PMCID: PMC6653385 DOI: 10.1111/jcmm.14356] [Citation(s) in RCA: 418] [Impact Index Per Article: 83.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 04/07/2019] [Accepted: 04/12/2019] [Indexed: 12/19/2022] Open
Abstract
In the tumour microenvironment (TME), immunogenic cell death (ICD) plays a major role in stimulating the dysfunctional antitumour immune system. Chronic exposure of damage-associated molecular patterns (DAMPs) attracts receptors and ligands on dendritic cells (DCs) and activates immature DCs to transition to a mature phenotype, which promotes the processing of phagocytic cargo in DCs and accelerates the engulfment of antigenic components by DCs. Consequently, via antigen presentation, DCs stimulate specific T cell responses that kill more cancer cells. The induction of ICD eventually results in long-lasting protective antitumour immunity. Through the exploration of ICD inducers, recent studies have shown that there are many novel modalities with the ability to induce immunogenic cancer cell death. In this review, we mainly discussed and summarized the emerging methods for inducing immunogenic cancer cell death. Concepts and molecular mechanisms relevant to antitumour effects of ICD are also briefly discussed.
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Affiliation(s)
- Jingyi Zhou
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Fourth Clinical College, Xinxiang Medical University, Henan, China
| | - Gangyang Wang
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yinze Chen
- Fourth Clinical College, Xinxiang Medical University, Henan, China
| | - Hongxia Wang
- Department of Oncology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China
| | - Yingqi Hua
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhengdong Cai
- Department of Orthopaedics, Shanghai Bone Tumor Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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38
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Thang DC, Wang Z, Lu X, Xing B. Precise cell behaviors manipulation through light-responsive nano-regulators: recent advance and perspective. Theranostics 2019; 9:3308-3340. [PMID: 31244956 PMCID: PMC6567964 DOI: 10.7150/thno.33888] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 04/08/2019] [Indexed: 02/07/2023] Open
Abstract
Nanotechnology-assisted spatiotemporal manipulation of biological events holds great promise in advancing the practice of precision medicine in healthcare systems. The progress in internal and/or external stimuli-responsive nanoplatforms for highly specific cellular regulations and theranostic controls offer potential clinical translations of the revolutionized nanomedicine. To successfully implement this new paradigm, the emerging light-responsive nanoregulators with unparalleled precise cell functions manipulation have gained intensive attention, providing UV-Vis light-triggered photocleavage or photoisomerization studies, as well as near-infrared (NIR) light-mediated deep-tissue applications for stimulating cellular signal cascades and treatment of mortal diseases. This review discusses current developments of light-activatable nanoplatforms for modulations of various cellular events including neuromodulations, stem cell monitoring, immunomanipulation, cancer therapy, and other biological target intervention. In summary, the propagation of light-controlled nanomedicine would place a bright prospect for future medicine.
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Affiliation(s)
- Do Cong Thang
- Division of Chemistry and Biological Chemistry, School of Physical & Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Zhimin Wang
- Division of Chemistry and Biological Chemistry, School of Physical & Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Xiaoling Lu
- International Nanobody Research Center of Guangxi, Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Bengang Xing
- Sino-Singapore International Joint Research Institute (SSIJRI), Guangzhou 510000, China
- Division of Chemistry and Biological Chemistry, School of Physical & Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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39
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Wei W, Jiang D, Ehlerding EB, Barnhart TE, Yang Y, Engle JW, Luo Q, Huang P, Cai W. CD146-Targeted Multimodal Image-Guided Photoimmunotherapy of Melanoma. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1801237. [PMID: 31065511 PMCID: PMC6498137 DOI: 10.1002/advs.201801237] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 02/01/2019] [Indexed: 05/23/2023]
Abstract
For melanoma resistant to molecularly targeted therapy and immunotherapy, new treatment strategies are urgently needed. A molecularly targeted theranostic pair may thus be of importance, where the diagnostic probe facilitates patient stratification and the therapeutic companion treats the selected cases. For this purpose, flow cytometry is used to assess the CD146 level in melanoma cells. Based on YY146, a CD146-specific monoclonal antibody, an imaging probe 89Zr-Df-YY146 is synthesized and its diagnostic performance is evaluated by positron emission tomography (PET) imaging. Furthermore, a photoimmunotherapy (PIT) agent IR700-YY146 is developed and the therapeutic effect of IR700-YY146 PIT is assessed comprehensively. CD146 is highly expressed in A375 and SK-MEL-5 cells. 89Zr-Df-YY146 PET readily detects CD146-positive A375 melanomas. Tumor accumulation of 89Zr-Df-YY146 peaks at 72 h with an uptake value of 26.48 ± 3.28%ID g-1, whereas the highest uptake of the nonspecific 89Zr-Df-IgG is 4.80 ± 1.75%ID g-1. More importantly, IR700-YY146 PIT effectively inhibits the growth of A375 tumors, owing to production of reactive oxygen species, decreased glucose metabolism, and reduced expression of CD146. To conclude, 89Zr-Df-YY146 and IR700-YY146 are a promising theranostic pair with the former revealing CD146 expression in melanoma as a PET probe and the latter specifically treating CD146-positive melanoma as an effective PIT agent.
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Affiliation(s)
- Weijun Wei
- Department of Nuclear MedicineShanghai Jiao Tong University Affiliated Sixth People's Hospital600 Yishan RoadShanghai200233China
- Department of RadiologyUniversity of Wisconsin–MadisonMadisonWI53705USA
| | - Dawei Jiang
- Department of RadiologyUniversity of Wisconsin–MadisonMadisonWI53705USA
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound ImagingCarson International Cancer CenterLaboratory of Evolutionary TheranosticsSchool of Biomedical EngineeringHealth Science CenterShenzhen UniversityShenzhen518060China
| | - Emily B. Ehlerding
- Department of Medical PhysicsUniversity of Wisconsin–MadisonMadisonWI53705USA
| | - Todd E. Barnhart
- Department of Medical PhysicsUniversity of Wisconsin–MadisonMadisonWI53705USA
| | - Yunan Yang
- Department of RadiologyUniversity of Wisconsin–MadisonMadisonWI53705USA
| | - Jonathan W. Engle
- Department of Medical PhysicsUniversity of Wisconsin–MadisonMadisonWI53705USA
| | - Quan‐Yong Luo
- Department of Nuclear MedicineShanghai Jiao Tong University Affiliated Sixth People's Hospital600 Yishan RoadShanghai200233China
| | - Peng Huang
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound ImagingCarson International Cancer CenterLaboratory of Evolutionary TheranosticsSchool of Biomedical EngineeringHealth Science CenterShenzhen UniversityShenzhen518060China
| | - Weibo Cai
- Department of RadiologyUniversity of Wisconsin–MadisonMadisonWI53705USA
- Department of Medical PhysicsUniversity of Wisconsin–MadisonMadisonWI53705USA
- University of Wisconsin Carbone Cancer CenterMadisonWI53705USA
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40
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Ferdinandus, Arai S. The ABC Guide to Fluorescent Toolsets for the Development of Future Biomaterials. Front Bioeng Biotechnol 2019; 7:5. [PMID: 30729108 PMCID: PMC6351439 DOI: 10.3389/fbioe.2019.00005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 01/07/2019] [Indexed: 01/06/2023] Open
Abstract
In recent decades, diversified approaches using nanoparticles or nano-structured scaffolds have been applied to drug delivery and tissue engineering. Thanks to recent interdisciplinary studies, the materials developed have been intensively evaluated at animal level. Despite these efforts, less attention has been paid to what is really going on at the subcellular level during the interaction between a nanomaterial and a cell. As the proposed concept becomes more complex, the need for investigation of the dynamics of these materials at the cellular level becomes more prominent. For a deeper understanding of cellular events, fluorescent imaging techniques have been a powerful means whereby spatiotemporal information related to cellular events can be visualized as detectable fluorescent signals. To date, several excellent review papers have summarized the use of fluorescent imaging toolsets in cellular biology. However, applying these toolsets becomes a laborious process for those who are not familiar with imaging studies to engage with owing to the skills gap between them and cell biologists. This review aims to highlight the valuable essentials of fluorescent imaging as a tool for the development of effective biomaterials by introducing some cases including photothermal and photodynamic therapies. This distilled information will be a convenient short-cut for those who are keen to fabricate next generation biomaterials.
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Affiliation(s)
- Ferdinandus
- Waseda Bioscience Research Institute in Singapore, Singapore, Singapore
| | - Satoshi Arai
- Research Institute for Science and Engineering, Waseda University, Tokyo, Japan.,PRIME-AMED, Tokyo, Japan
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41
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Nakajima K, Takakura H, Shimizu Y, Ogawa M. Changes in plasma membrane damage inducing cell death after treatment with near-infrared photoimmunotherapy. Cancer Sci 2018; 109:2889-2896. [PMID: 29949672 PMCID: PMC6125438 DOI: 10.1111/cas.13713] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 06/25/2018] [Indexed: 12/12/2022] Open
Abstract
Near‐infrared photoimmunotherapy (NIR‐PIT) is a new cancer phototherapy modality using an antibody conjugated to a photosensitizer, IRDye700DX. When the conjugate binds to the plasma membrane and is exposed to NIR light, NIR‐PIT‐treated cells undergo swelling, and target‐selective necrotic/immunogenic cell death is induced. However, the cytotoxic mechanism of NIR‐PIT has not been elucidated. In order to understand the mechanism, it is important to elucidate how the damage to the plasma membrane induced by NIR light irradiation changes over time. Thus, in the present study, we investigated the changes in plasma membrane permeability using ions and molecules of various sizes. Na+ flowed into cells immediately after NIR light irradiation, even when the function of transporters or channels was blocked. Subsequently, fluorescent molecules larger than Na+ entered the cells, but the damage was not large enough for dextran to pass through at early time points. To assess these phenomena quantitatively, membrane permeability was estimated using radiolabeled ions and molecules: 111InCl3, 111In‐DTPA, and 3H‐H2O, and comparable results were obtained. Although minute plasma membrane perforations usually do not induce cell death, our results suggest that the minute damage induced by NIR‐PIT was irreversibly extended with time. In conclusion, minute plasma membrane damage is a trigger for the increase in plasma membrane permeability, cell swelling, and necrotic/immunogenic cell death in NIR‐PIT. Our findings provide new insight into the cytotoxic mechanism of NIR‐PIT.
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Affiliation(s)
- Kohei Nakajima
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
| | - Hideo Takakura
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
| | - Yoichi Shimizu
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
| | - Mikako Ogawa
- Laboratory of Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan.,PRESTO, Japan Science and Technology Agency, Kawaguchi, Japan
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