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Peng Z, Lv X, Huang S. Photoimmunotherapy: A New Paradigm in Solid Tumor Immunotherapy. Cancer Control 2022. [PMCID: PMC9016614 DOI: 10.1177/10732748221088825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
In recent years, the incidence of cancer has been increasing worldwide. Conventional cancer treatments include surgery, chemotherapy, and radiation, which mostly kill tumor cells at the expense of normal and immune cells. Although immunotherapy is an accurate, rapid, efficient tumor immune treatment, it causes serious adverse reactions, such as cytokine release syndrome (CRS) and neurotoxicity. Therefore, there is an urgent need to develop an effective and nontoxic procedure for immunotherapy. The clinical combination of phototherapy and immunoadjuvant therapy can induce immunogenic cell death and enhance antigen presentation synergy. It also causes a systemic antitumor immune response to manage residual tumors and distant metastases. Photoimmunotherapy (PIT) is a tumor treatment combining phototherapy with immunotherapy based on injecting a conjugate photosensitizer (IR700) and a monoclonal antibody (mAb) to target an expressed antigen on the tumor surface. This combination can enhance the immune response ability, thus having a good effect on the treatment of residual tumor and metastatic cancer. In this review, we summarize the recent progress in photoimmunotherapy, including photoimmunoconjugate (PIC), the activation mechanism of immunogenic cell death (ICD), the combination therapy model, opportunities and prospects. Specifically, we aim to provide a promising clinical therapy for solid tumor clinical transformation.
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Affiliation(s)
- Zheng Peng
- Faculty of Health Sciences, University of Macau, Taipa, China
| | - Xiaolan Lv
- Department of Laboratory Medicine, Liuzhou Maternity and Child Healthcare Hospital, Liu Zhou, China
| | - Shigao Huang
- Department of Radiation Oncology, Xijing Hospital, Air Force Medical University, Xi’an, China
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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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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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Okuyama S, Fujimura D, Inagaki F, Okada R, Maruoka Y, Wakiyama H, Kato T, Furusawa A, Choyke PL, Kobayashi H. Real-time IR700 Fluorescence Imaging During Near-infrared Photoimmunotherapy Using a Clinically-approved Camera for Indocyanine Green. CANCER DIAGNOSIS & PROGNOSIS 2021; 1:29-34. [PMID: 35403125 PMCID: PMC8962761 DOI: 10.21873/cdp.10005] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 04/27/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND/AIM Near-infrared photoimmuno-therapy (NIR-PIT) is a newly approved cancer phototherapy. We aim to confirm whether a clinically approved camera for indocyanine green (ICG) could monitor IR700 fluorescence in real time during exposure to therapeutic NIR light. MATERIALS AND METHODS An NIR camera, LIGHTVISION, designed to image ICG fluorescence, was used. A431-GFP/luc tumor-bearing mice were exposed to therapeutic NIR light and real-time fluorescence imaging (RT-FI) was obtained and measured with LIGHTVISION. Bioluminescence imaging (BLI) was performed to confirm cell death. RESULTS RT-FI during NIR-PIT revealed an initial rapid loss of fluorescence, followed by a plateau which occurred at a light dose of approximately 30 J/cm 2 . Correlation between BLI and IR700 fluorescence loss showed that loss of fluorescence was associated with increased cell death. CONCLUSION The efficacy of NIR-PIT could be monitored non-invasively and in real-time using weak fluorescence at wavelengths much longer than the peak fluorescence of IR700. This technique can achieve precise light dosimetry that allows us to decide on the optimal exposure.
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Affiliation(s)
- Shuhei Okuyama
- Shimadzu Corporation, Kyoto, Japan
- Molecular Imaging Branch, Center for Cancer Research, National CancerInstitute, National Institutes of Health, Bethesda, MD, U.S.A
| | - Daiki Fujimura
- Shimadzu Corporation, Kyoto, Japan
- Molecular Imaging Branch, Center for Cancer Research, National CancerInstitute, National Institutes of Health, Bethesda, MD, U.S.A
| | - Fuyuki Inagaki
- Molecular Imaging Branch, Center for Cancer Research, National CancerInstitute, National Institutes of Health, Bethesda, MD, U.S.A
| | - Ryuhei Okada
- Molecular Imaging Branch, Center for Cancer Research, National CancerInstitute, National Institutes of Health, Bethesda, MD, U.S.A
| | - Yasuhiro Maruoka
- Molecular Imaging Branch, Center for Cancer Research, National CancerInstitute, National Institutes of Health, Bethesda, MD, U.S.A
| | - Hiroaki Wakiyama
- Molecular Imaging Branch, Center for Cancer Research, National CancerInstitute, National Institutes of Health, Bethesda, MD, U.S.A
| | - Takuya Kato
- Molecular Imaging Branch, Center for Cancer Research, National CancerInstitute, National Institutes of Health, Bethesda, MD, U.S.A
| | - Aki Furusawa
- Molecular Imaging Branch, Center for Cancer Research, National CancerInstitute, National Institutes of Health, Bethesda, MD, U.S.A
| | - Peter L Choyke
- Molecular Imaging Branch, Center for Cancer Research, National CancerInstitute, National Institutes of Health, Bethesda, MD, U.S.A
| | - Hisataka Kobayashi
- Molecular Imaging Branch, Center for Cancer Research, National CancerInstitute, National Institutes of Health, Bethesda, MD, U.S.A
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