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Fan W, Tang J, Tang S, Lin Z, Li M, Zhang Z, Wu D. Bibliometric analysis of photodynamic therapy and immune response from 1989-2023. Front Pharmacol 2024; 15:1299253. [PMID: 38288443 PMCID: PMC10822948 DOI: 10.3389/fphar.2024.1299253] [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] [Received: 09/22/2023] [Accepted: 01/03/2024] [Indexed: 01/31/2024] Open
Abstract
Objective: Photodynamic therapy (PDT) is a minimally invasive treatment approach for precancerous and cancerous lesions, known for its ability to activate the host immune response. This study conducted a bibliometric analysis to identify the research trends and hotspots related to the immune response in PDT. Methods: We analyzed articles and reviews published from 1989 to 2023, retrieved from the Web of Science database. Using Citespace and VOSviewer, we visualized the distribution patterns of these studies in time and space. Results: The analysis revealed a substantial increase in the number of publications on PDT-related immune response since 1989. A total of 1,688 articles from 1,701 institutions were included in this analysis. Among thei nstitutions, the Chinese Academy of Sciences demonstrated exceptional productivity and a willingness to collaborate with others. Additionally, 8,567 authors contributed to the field, with Mladen Korbelik, Michael R. Hamblin, and Wei R. Chen being the most prolific contributors. The current research focus revolves around novel strategies to enhance antitumor immunity in PDT, including PDT-based dendritic cell vaccines, combination therapies with immune checkpoint inhibitors (ICIs), and the use of nanoparticles for photosensitizer delivery. Furthermore, genes such as CD8A, TNF, CD4, IFNG, CD274, IL6, IL10, CALR, HMGB1, and CTLA4 have been evaluated in the context of PDT-related immunity. Conclusion: PDT not only achieves tumor ablation but also stimulates the immune response, bolstering antitumor immunity. This study highlights the emerging hotspots in PDT-related immune response research and provides valuable insights for future investigations aimed at further enhancing antitumor immunity.
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Affiliation(s)
- Wanting Fan
- Department of Stomatology, Shenzhen People’s Hospital, Shenzhen, China
| | - Jianming Tang
- Department of Stomatology, Shenzhen People’s Hospital, Shenzhen, China
| | - Su Tang
- Department of Stomatology, Shenzhen People’s Hospital, Shenzhen, China
| | - Zhengshen Lin
- Department of Stomatology, The People’s Hospital of Baoan Shenzhen, The Second Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Mohan Li
- Department of Stomatology, Shenzhen People’s Hospital, Shenzhen, China
| | - Zheng Zhang
- Department of Stomatology, Shenzhen People’s Hospital, Shenzhen, China
| | - Donglei Wu
- Department of Stomatology, Shenzhen People’s Hospital, Shenzhen, China
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2
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Maines LW, Keller SN, Smith CD. Opaganib (ABC294640) Induces Immunogenic Tumor Cell Death and Enhances Checkpoint Antibody Therapy. Int J Mol Sci 2023; 24:16901. [PMID: 38069222 PMCID: PMC10706694 DOI: 10.3390/ijms242316901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/22/2023] [Accepted: 11/27/2023] [Indexed: 12/18/2023] Open
Abstract
Antibody-based cancer drugs that target the checkpoint proteins CTLA-4, PD-1 and PD-L1 provide marked improvement in some patients with deadly diseases such as lung cancer and melanoma. However, most patients are either unresponsive or relapse following an initial response, underscoring the need for further improvement in immunotherapy. Certain drugs induce immunogenic cell death (ICD) in tumor cells in which the dying cells promote immunologic responses in the host that may enhance the in vivo activity of checkpoint antibodies. Sphingolipid metabolism is a key pathway in cancer biology, in which ceramides and sphingosine 1-phosphate (S1P) regulate tumor cell death, proliferation and drug resistance, as well as host inflammation and immunity. In particular, sphingosine kinases are key sites for manipulation of the ceramide/S1P balance that regulates tumor cell proliferation and sensitivity to radiation and chemotherapy. We and others have demonstrated that inhibition of sphingosine kinase-2 by the small-molecule investigational drug opaganib (formerly ABC294640) kills tumor cells and increases their sensitivities to other drugs and radiation. Because sphingolipids have been shown to regulate ICD, opaganib may induce ICD and improve the efficacy of checkpoint antibodies for cancer therapy. This was demonstrated by showing that in vitro treatment with opaganib increases the surface expression of the ICD marker calreticulin on a variety of tumor cell types. In vivo confirmation was achieved using the gold standard immunization assay in which B16 melanoma, Lewis lung carcinoma (LLC) or Neuro-2a neuroblastoma cells were treated with opaganib in vitro and then injected subcutaneously into syngeneic mice, followed by implantation of untreated tumor cells 7 days later. In all cases, immunization with opaganib-treated cells strongly suppressed the growth of subsequently injected tumor cells. Interestingly, opaganib treatment induced crossover immunity in that opaganib-treated B16 cells suppressed the growth of both untreated B16 and LLC cells and opaganib-treated LLC cells inhibited the growth of both untreated LLC and B16 cells. Next, the effects of opaganib in combination with a checkpoint antibody on tumor growth in vivo were assessed. Opaganib and anti-PD-1 antibody each slowed the growth of B16 tumors and improved mouse survival, while the combination of opaganib plus anti-PD-1 strongly suppressed tumor growth and improved survival (p < 0.0001). Individually, opaganib and anti-CTLA-4 antibody had modest effects on the growth of LLC tumors and mouse survival, whereas the combination of opaganib with anti-CTLA-4 substantially inhibited tumor growth and increased survival (p < 0.001). Finally, the survival of mice bearing B16 tumors was only marginally improved by opaganib or anti-PD-L1 antibody alone but was nearly doubled by the drugs in combination (p < 0.005). Overall, these studies demonstrate the ability of opaganib to induce ICD in tumor cells, which improves the antitumor activity of checkpoint antibodies.
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Affiliation(s)
| | | | - Charles D. Smith
- Apogee Biotechnology Corporation, 1214 Research Blvd, Suite 2015, Hummelstown, PA 17036, USA; (L.W.M.)
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3
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Tallima H, El Ridi R. Mechanisms of Arachidonic Acid In Vitro Tumoricidal Impact. Molecules 2023; 28:molecules28041727. [PMID: 36838715 PMCID: PMC9966399 DOI: 10.3390/molecules28041727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/27/2022] [Accepted: 01/31/2023] [Indexed: 02/15/2023] Open
Abstract
To promote the potential of arachidonic acid (ARA) for cancer prevention and management, experiments were implemented to disclose the mechanisms of its tumoricidal action. Hepatocellular, lung, and breast carcinoma and normal hepatocytes cell lines were exposed to 0 or 50 μM ARA for 30 min and then assessed for proliferative capacity, surface membrane-associated sphingomyelin (SM) content, neutral sphingomyelinase (nSMase) activity, beta 2 microglobulin (β2 m) expression, and ceramide (Cer) levels. Reactive oxygen species (ROS) content and caspase 3/7 activity were evaluated. Exposure to ARA for 30 min led to impairment of the tumor cells' proliferative capacity and revealed that the different cell lines display remarkably similar surface membrane SM content but diverse responses to ARA treatment. Arachidonic acid tumoricidal impact was shown to be associated with nSMase activation, exposure of cell surface membrane β2 m to antibody binding, and hydrolysis of SM to Cer, which accumulated on the cell surface and in the cytosol. The ARA and Cer-mediated inhibition of tumor cell viability appeared to be independent of ROS generation or caspase 3/7 activation. The data were compared and contrasted to findings reported in the literature on ARA tumoricidal mechanisms.
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Affiliation(s)
- Hatem Tallima
- Department of Chemistry, School of Sciences and Engineering, The American University in Cairo, New Cairo 11835, Egypt
- Zoology Department, Faculty of Science, Cairo University, Giza 12613, Egypt
- Correspondence:
| | - Rashika El Ridi
- Zoology Department, Faculty of Science, Cairo University, Giza 12613, Egypt
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4
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Nduwumwami AJ, Hengst JA, Yun JK. Sphingosine Kinase Inhibition Enhances Dimerization of Calreticulin at the Cell Surface in Mitoxantrone-Induced Immunogenic Cell Death. J Pharmacol Exp Ther 2021; 378:300-310. [PMID: 34158403 DOI: 10.1124/jpet.121.000629] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 06/16/2021] [Indexed: 11/22/2022] Open
Abstract
Agents that induce immunogenic cell death (ICD) alter the cellular localization of calreticulin (CRT), causing it to become cell surface-exposed within the plasma membrane lipid raft microdomain [cell surface-exposed CRT (ectoCRT)] where it serves as a damage associated-molecular pattern that elicits an antitumor immune response. We have identified the sphingolipid metabolic pathway as an integral component of the process of ectoCRT exposure. Inhibition of the sphingosine kinases (SphKs) enhances mitoxantrone-induced production of hallmarks of ICD, including ectoCRT production, with an absolute mean difference of 40 MFI (95% CI: 19-62; P = 0.0014) and 1.3-fold increase of ATP secretion with an absolute mean difference of 87 RLU (95% CI: 55-120; P < 0.0001). Mechanistically, sphingosine kinase inhibition increases mitoxantrone-induced accumulation of ceramide species, including C16:0 ceramide 2.8-fold with an absolute mean difference of 1.390 pmol/nmol Pi (95% CI: 0.798-1.983; P = 0.0023). We further examined the localization of ectoCRT to the lipid raft microdomain and demonstrate that ectoCRT forms disulfide-bridged dimers. Together, our findings suggest that ceramide accumulation impinges on the homeostatic function of the endoplasmic reticulum to induce ectoCRT exposure and that structural alterations of ectoCRT may underlie its immunogenicity. Our findings further suggest that inhibition of the SphKs may represent a means to enhance the therapeutic immunogenic efficacy of ICD-inducing agents while reducing overt toxicity/immunosuppressive effects by allowing for the modification of dosing regimens or directly lowering the dosages of ICD-inducing agents employed in therapeutic regimens. SIGNIFICANCE STATEMENT: This study demonstrates that inhibition of sphingosine kinase enhances the mitoxantrone-induced cell surface exposure of a dimeric form of the normally endoplasmic reticulum resident chaperone calreticulin as part of the process of a unique form of regulated cell death termed immunogenic cell death. Importantly, inhibition of sphingosine kinase may represent a means to enhance the therapeutic efficacy of immunogenic cell death-inducing agents, such as mitoxantrone, while reducing their overt toxicity and immunosuppressive effects, leading to better therapeutic outcomes for patients.
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Affiliation(s)
- Asvelt J Nduwumwami
- Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, Pennsylvania
| | - Jeremy A Hengst
- Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, Pennsylvania
| | - Jong K Yun
- Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, Pennsylvania
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5
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Cancer stem cells and ceramide signaling: the cutting edges of immunotherapy. Mol Biol Rep 2020; 47:8101-8111. [PMID: 32885363 DOI: 10.1007/s11033-020-05790-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 08/28/2020] [Indexed: 12/14/2022]
Abstract
The multipotent, self renewing "cancer stem cells" (CSCs), a small population within tumor microenvironment facilitates transformed cells to grow and propagate within the body. The CSCs are discovered as resistant to the chemotherapeutic drug with distinct immunological characteristics. In recent years, immunologically targeting CSCs have emerged as an integral part of effective and successful cancer therapy. CSCs notably exhibit dysregulation in conventional sub-cellular sphingolipid metabolism. Recently, ceramide decaying enzymes have been shown to activate alternative ceramide signaling pathways leading to reduction in efficacy of the chemotherapeutic drugs. Therefore, a control over ceramide mediated modulations of CSCs offers an attractive dimension of effective cancer treatment strategy in future. In this review, we focused on the recent findings on broad spectrum of ceramide mediated signaling in CSCs within the tumor niche and their role in potential cancer immunotherapy.
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6
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Abstract
The biomaterials have been well designed as photoabsorbing/sensitizing agents or effective carriers to enhance the photoimmunotherapeutic efficacy and evade their side effects.
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Affiliation(s)
- Muchao Chen
- Institute of Functional Nano & Soft Materials (FUNSOM)
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices
- Soochow University
- Suzhou
- PR China
| | - Qian Chen
- Institute of Functional Nano & Soft Materials (FUNSOM)
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices
- Soochow University
- Suzhou
- PR China
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7
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N-dihydrogalactochitosan as immune and direct antitumor agent amplifying the effects of photodynamic therapy and photodynamic therapy-generated vaccines. Int Immunopharmacol 2019; 75:105764. [PMID: 31352327 DOI: 10.1016/j.intimp.2019.105764] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 07/07/2019] [Accepted: 07/14/2019] [Indexed: 12/30/2022]
Abstract
It is becoming apparent that to obtain robust and prolonged antitumor responses in cancer immunotherapy, appropriate adjunct agents promoting both tumor antigen delivery and immune rejection enhancement are critically required. The semisynthetic biopolymer N-dihydrogalactochitosan (GC) is emerging as a promising such candidate. In the present study, the effects of GC were investigated when combined with cancer vaccines generated by photodynamic therapy (PDT) using mouse tumor model SCCVII (squamous cell carcinoma). The adjunct GC treatment was found to enhance therapeutic benefit obtained with PDT vaccine, while reducing the numbers of myeloid-derived suppressor cells. Another important property of GC is promoting directly the death of SCCVII cells sustaining injury from PDT mediated by various photosensitizers. This effect is extended to cells treated by cryoablation therapy (CAT) performed by exposure to -80 °C. A capacity of GC for preferential binding to PDT treated cells was demonstrated using fluorescence microscopy. In vitro testing with specific caspase-1 inhibitor revealed a pro-survival role of this enzyme in membrane lipid repair mechanisms following combined PDT plus GC treatment. In conclusion, GC represents a uniquely promising adjunct for various PDT protocols, photothermal and similar rapid tumor-ablating therapies.
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8
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Simón MV, Prado Spalm FH, Vera MS, Rotstein NP. Sphingolipids as Emerging Mediators in Retina Degeneration. Front Cell Neurosci 2019; 13:246. [PMID: 31244608 PMCID: PMC6581011 DOI: 10.3389/fncel.2019.00246] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 05/17/2019] [Indexed: 12/12/2022] Open
Abstract
The sphingolipids ceramide (Cer), sphingosine-1-phosphate (S1P), sphingosine (Sph), and ceramide-1-phosphate (C1P) are key signaling molecules that regulate major cellular functions. Their roles in the retina have gained increasing attention during the last decade since they emerge as mediators of proliferation, survival, migration, neovascularization, inflammation and death in retina cells. As exacerbation of these processes is central to retina degenerative diseases, they appear as crucial players in their progression. This review analyzes the functions of these sphingolipids in retina cell types and their possible pathological roles. Cer appears as a key arbitrator in diverse retinal pathologies; it promotes inflammation in endothelial and retina pigment epithelium (RPE) cells and its increase is a common feature in photoreceptor death in vitro and in animal models of retina degeneration; noteworthy, inhibiting Cer synthesis preserves photoreceptor viability and functionality. In turn, S1P acts as a double edge sword in the retina. It is essential for retina development, promoting the survival of photoreceptors and ganglion cells and regulating proliferation and differentiation of photoreceptor progenitors. However, S1P has also deleterious effects, stimulating migration of Müller glial cells, angiogenesis and fibrosis, contributing to the inflammatory scenario of proliferative retinopathies and age related macular degeneration (AMD). C1P, as S1P, promotes photoreceptor survival and differentiation. Collectively, the expanding role for these sphingolipids in the regulation of critical processes in retina cell types and in their dysregulation in retina degenerations makes them attractive targets for treating these diseases.
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Affiliation(s)
- M Victoria Simón
- Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Departamento De Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS), Argentine National Research Council (CONICET), Bahía Blanca, Argentina
| | - Facundo H Prado Spalm
- Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Departamento De Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS), Argentine National Research Council (CONICET), Bahía Blanca, Argentina
| | - Marcela S Vera
- Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Departamento De Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS), Argentine National Research Council (CONICET), Bahía Blanca, Argentina
| | - Nora P Rotstein
- Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Departamento De Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS), Argentine National Research Council (CONICET), Bahía Blanca, Argentina
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9
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Chang YC, Fong Y, Tsai EM, Chang YG, Chou HL, Wu CY, Teng YN, Liu TC, Yuan SS, Chiu CC. Exogenous C₈-Ceramide Induces Apoptosis by Overproduction of ROS and the Switch of Superoxide Dismutases SOD1 to SOD2 in Human Lung Cancer Cells. Int J Mol Sci 2018; 19:ijms19103010. [PMID: 30279365 PMCID: PMC6213533 DOI: 10.3390/ijms19103010] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 09/25/2018] [Accepted: 09/27/2018] [Indexed: 02/07/2023] Open
Abstract
Ceramides, abundant sphingolipids on the cell membrane, can act as signaling molecules to regulate cellular functions including cell viability. Exogenous ceramide has been shown to exert potent anti-proliferative effects against cancer cells, but little is known about how it affects reactive oxygen species (ROS) in lung cancer cells. In this study, we investigated the effect of N-octanoyl-D-erythro-sphingosine (C₈-ceramide) on human non-small-cell lung cancer H1299 cells. Flow cytometry-based assays indicated that C₈-ceramide increased the level of endogenous ROS in H1299 cells. Interestingly, the ratio of superoxide dismutases (SODs) SOD1 and SOD2 seem to be regulated by C₈-ceramide treatment. Furthermore, the accumulation of cell cycle G1 phase and apoptotic populations in C₈-ceramide-treated H1299 cells was observed. The results of the Western blot showed that C₈-ceramide causes a dramatically increased protein level of cyclin D1, a critical regulator of cell cycle G1/S transition. These results suggest that C₈-ceramide acts as a potent chemotherapeutic agent and may increase the endogenous ROS level by regulating the switch of SOD1 and SOD2, causing the anti-proliferation, and consequently triggering the apoptosis of NSCLC H1299 cells. Accordingly, our works may give a promising strategy for lung cancer treatment in the future.
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Affiliation(s)
- Yuli C Chang
- Department of Laboratory Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Yao Fong
- Chest Surgery, Chi-Mei Medical Center, Yung Kang City, Tainan 901, Taiwan.
| | - Eing-Mei Tsai
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
| | - Ya-Gin Chang
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Han Lin Chou
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Chang-Yi Wu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung 804, Taiwan;.
| | - Yen-Ni Teng
- Department of Biological Sciences and Technology, National University of Tainan, Tainan 700, Taiwan.
| | - Ta-Chih Liu
- Department of Laboratory Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
| | - Shyng-Shiou Yuan
- Translational Research Center, Cancer Center, Department of Medical Research, Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Chien-Chih Chiu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung 804, Taiwan;.
- Translational Research Center, Cancer Center, Department of Medical Research, Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Research Center for Environment Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
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10
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Jin Y, Guan Z, Wang X, Wang Z, Zeng R, Xu L, Cao P. ALA-PDT promotes HPV-positive cervical cancer cells apoptosis and DCs maturation via miR-34a regulated HMGB1 exosomes secretion. Photodiagnosis Photodyn Ther 2018; 24:27-35. [PMID: 30118903 DOI: 10.1016/j.pdpdt.2018.08.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 07/15/2018] [Accepted: 08/10/2018] [Indexed: 02/06/2023]
Abstract
5-Aminolevulinic acid photodynamic therapy(ALA-PDT) has been widely used for cervical cancer treatment, but the mechanisms are still not fully delineated. Here we showed that ALA-PDT significantly upregulated HMGB1 while downregulated miR-34a expression levels in cervical cancer tissues, and the percentages of mature DCs(mDCs) were increased in ALA-PDT treated patients' peripheral blood. After treating HPV-positive Hela, SiHa, Caski and HPV-negative C33 A cervical cancer cell lines with ALA-PDT, HPV-positive cells' proliferative ability was significantly inhibited and apoptosis rates were elevated, while no significant changes were found in HPV-negative C33 A cell line. Most importantly, in HPV-positive cells, we found that miR-34a were downregulated in cytoplasm, and both cytoplasm and exosome HMGB1 were significantly elevated comparing to cancer cells without ALA-PDT treatment, and it could be reversed by miR-34a mimic transfection, which indicated that HPV infection and miR-34a downregulation might be vital for ALA-PDT treatment. Based on the HMGB1 is the potential target of miR-34a and an inverse correlation between miR-34a and HMGB1 in ALA-PDT treated cancer tissues, we verified that HMGB1 could be targeted and downregulated by miR-34a mimic, and ALA-PDT promotes HMGB1 secretion by inhibiting miR-34a expression. By co-culturing cervical cancer cell lines with immature DCs(imDCs) in the Transwell systems, we found that ALA-PDT induced HMGB1 exosomes could promote DCs maturation, which could be reversed by silencing HMGB1 in HPV-positive cervical cancer cells. In vivo animal experiments also proved that ALA-PDT inhibited tumor growth in tumor bearing mice, which was reversed by co-transfected with miR-34a mimic or silencing HMGB1 in HPV-positive cells. Hence we concluded that ALA-PDT treatment specifically inhibited HPV-positive cervical cancer cells' proliferative ability, promoted cell apoptosis and modulated DCs maturation by regulating miR-34a mediated HMGB1 exosomes secretion.
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Affiliation(s)
- Yichao Jin
- Medical Faculty, Kunming University of Science and Technology, Kunming, Yunnan, China; Department of Dermatology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Zhen Guan
- Department of Dermatology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Xiaochuan Wang
- Department of Dermatology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Zhiqiong Wang
- Department of Dermatology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Rong Zeng
- Department of Medical Oncology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Liangheng Xu
- Department of Dermatology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Ping Cao
- Department of Dermatology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China.
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Hally C, Rodríguez-Amigo B, Bresolí-Obach R, Planas O, Nos J, Boix-Garriga E, Ruiz-González R, Nonell S. Photodynamic Therapy. THERANOSTICS AND IMAGE GUIDED DRUG DELIVERY 2018. [DOI: 10.1039/9781788010597-00086] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Photodynamic therapy is a clinical technique for the treatment of cancers, microbial infections and other medical conditions by means of light-induced generation of reactive oxygen species using photosensitising drugs. The intrinsic fluorescence of many such drugs make them potential theranostic agents for simultaneous diagnosis and therapy. This chapter reviews the basic chemical and biological aspects of photodynamic therapy with an emphasis on its applications in theranostics. The roles of nanotechnology is highlighted, as well as emerging trends such as photoimmunotherapy, image-guided surgery and light- and singlet-oxygen dosimetry.
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Affiliation(s)
- Cormac Hally
- Institut Químic de Sarrià, Universitat Ramon Llull Via Augusta 390 08017 Barcelona Spain
| | | | - Roger Bresolí-Obach
- Institut Químic de Sarrià, Universitat Ramon Llull Via Augusta 390 08017 Barcelona Spain
| | - Oriol Planas
- Institut Químic de Sarrià, Universitat Ramon Llull Via Augusta 390 08017 Barcelona Spain
| | - Jaume Nos
- Institut Químic de Sarrià, Universitat Ramon Llull Via Augusta 390 08017 Barcelona Spain
| | - Ester Boix-Garriga
- Institut Químic de Sarrià, Universitat Ramon Llull Via Augusta 390 08017 Barcelona Spain
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne Geneva Switzerland
| | - Rubén Ruiz-González
- Institut Químic de Sarrià, Universitat Ramon Llull Via Augusta 390 08017 Barcelona Spain
| | - Santi Nonell
- Institut Químic de Sarrià, Universitat Ramon Llull Via Augusta 390 08017 Barcelona Spain
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12
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Saini R, Lee NV, Liu KYP, Poh CF. Prospects in the Application of Photodynamic Therapy in Oral Cancer and Premalignant Lesions. Cancers (Basel) 2016; 8:cancers8090083. [PMID: 27598202 PMCID: PMC5040985 DOI: 10.3390/cancers8090083] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Revised: 08/26/2016] [Accepted: 08/30/2016] [Indexed: 12/16/2022] Open
Abstract
Oral cancer is a global health burden with significantly poor survival, especially when the diagnosis is at its late stage. Despite advances in current treatment modalities, there has been minimal improvement in survival rates over the last five decades. The development of local recurrence, regional failure, and the formation of second primary tumors accounts for this poor outcome. For survivors, cosmetic and functional compromises resulting from treatment are often devastating. These statistics underscore the need for novel approaches in the management of this deadly disease. Photodynamic therapy (PDT) is a treatment modality that involves administration of a light-sensitive drug, known as a photosensitizer, followed by light irradiation of an appropriate wavelength that corresponds to an absorbance band of the sensitizer. In the presence of tissue oxygen, cytotoxic free radicals that are produced cause direct tumor cell death, damage to the microvasculature, and induction of inflammatory reactions at the target sites. PDT offers a prospective new approach in controlling this disease at its various stages either as a stand-alone therapy for early lesions or as an adjuvant therapy for advanced cases. In this review, we aim to explore the applications of PDT in oral cancer therapy and to present an overview of the recent advances in PDT that can potentially reposition its utility for oral cancer treatment.
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Affiliation(s)
- Rajan Saini
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, BC V6T 1Z3, Canada.
| | - Nathan V Lee
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, BC V6T 1Z3, Canada.
| | - Kelly Y P Liu
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, BC V6T 1Z3, Canada.
| | - Catherine F Poh
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, BC V6T 1Z3, Canada.
- Department of Integrative Oncology, British Columbia Cancer Research Centre, Vancouver, BC V5Z 1L3, Canada.
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13
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14
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Korbelik M, Banáth J, Zhang W, Saw KM, Szulc ZM, Bielawska A, Separovic D. Interaction of acid ceramidase inhibitor LCL521 with tumor response to photodynamic therapy and photodynamic therapy-generated vaccine. Int J Cancer 2016; 139:1372-8. [PMID: 27136745 DOI: 10.1002/ijc.30171] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Revised: 04/13/2016] [Accepted: 04/20/2016] [Indexed: 01/03/2023]
Abstract
Acid ceramidase has been identified as a promising target for cancer therapy. One of its most effective inhibitors, LCL521, was examined as adjuvant to photodynamic therapy (PDT) using mouse squamous cell carcinoma SCCVII model of head and neck cancer. Lethal effects of PDT, assessed by colony forming ability of in vitro treated SCCVII cells, were greatly enhanced when combined with 10 µM LCL521 treatment particularly when preceding PDT. When PDT-treated SCCVII cells are used to vaccinate SCCVII tumor-bearing mice (PDT vaccine protocol), adjuvant LCL521 treatment (75 mg/kg) resulted in a marked retardation of tumor growth. This effect can be attributed to the capacity of LCL521 to effectively restrict the activity of two main immunoregulatory cell populations (Tregs and myeloid-derived suppressor cells, MDSCs) that are known to hinder the efficacy of PDT vaccines. The therapeutic benefit with adjuvant LCL521 was also achieved with SCCVII tumors treated with standard PDT when using immunocompetent mice but not with immunodeficient hosts. The interaction of LCL521 with PDT-based antitumor mechanisms is dominated by immune system contribution that includes overriding the effects of immunoregulatory cells, but could also include a tacit contribution from boosting direct tumor cell kill.
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Affiliation(s)
- Mladen Korbelik
- Integrative Oncology Department, British Columbia Cancer Agency, Vancouver, BC, Canada
| | - Judit Banáth
- Integrative Oncology Department, British Columbia Cancer Agency, Vancouver, BC, Canada
| | - Wei Zhang
- Integrative Oncology Department, British Columbia Cancer Agency, Vancouver, BC, Canada
| | - Kyi Min Saw
- Integrative Oncology Department, British Columbia Cancer Agency, Vancouver, BC, Canada
| | - Zdzislaw M Szulc
- Department of Biochemistry and Molecular Biology, Medical University of South Carolina, Charleston, SC
| | - Alicja Bielawska
- Department of Biochemistry and Molecular Biology, Medical University of South Carolina, Charleston, SC
| | - Duska Separovic
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI
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15
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Korbelik M. Impact of cell death manipulation on the efficacy of photodynamic therapy-generated cancer vaccines. World J Immunol 2015; 5:95-98. [DOI: 10.5411/wji.v5.i3.95] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2015] [Revised: 07/09/2015] [Accepted: 08/03/2015] [Indexed: 02/05/2023] Open
Abstract
The main task of cancer vaccines is to deliver tumor-specific antigens to antigen-presenting cells for immune recognition that can lead to potent and durable immune response against treated tumor. Using photodynamic therapy (PDT)-generated vaccines as an example of autologous whole-cell cancer vaccines, the importance is discussed of the expression of death-associated molecules on cancer vaccine cells. This aspect appears critical for the optimal capture of vaccine cells by host’s sentinel phagocytes in order that the tumor antigenic material is processed and presented for immune recognition and elimination of targeted malignancy. It is shown that changing death pattern of vaccine cells by agents modulating apoptosis, autophagy or necrosis can significantly alter the therapeutic impact of PDT-generated vaccines. Improved therapeutic effect was observed with inhibitors of necrosis/necroptosis using IM-54, necrostatin-1 or necrostatin-7, as well as with lethal autophagy inducer STF62247. In contrast, reduced vaccine potency was found in case of treating vaccine cells with apoptosis inhibitors or lethal autophagy inhibitor spautin-1. Therefore, PDT-generated cancer vaccine cells undergoing apoptosis or lethal autophagy are much more likely to produce therapeutic benefit than vaccine cells that are necrotic. These findings warrant further detailed examination of the strategy using cell death modulating agents for the enhancement of the efficacy of cancer vaccines.
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16
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Garg AD, Galluzzi L, Apetoh L, Baert T, Birge RB, Bravo-San Pedro JM, Breckpot K, Brough D, Chaurio R, Cirone M, Coosemans A, Coulie PG, De Ruysscher D, Dini L, de Witte P, Dudek-Peric AM, Faggioni A, Fucikova J, Gaipl US, Golab J, Gougeon ML, Hamblin MR, Hemminki A, Herrmann M, Hodge JW, Kepp O, Kroemer G, Krysko DV, Land WG, Madeo F, Manfredi AA, Mattarollo SR, Maueroder C, Merendino N, Multhoff G, Pabst T, Ricci JE, Riganti C, Romano E, Rufo N, Smyth MJ, Sonnemann J, Spisek R, Stagg J, Vacchelli E, Vandenabeele P, Vandenberk L, Van den Eynde BJ, Van Gool S, Velotti F, Zitvogel L, Agostinis P. Molecular and Translational Classifications of DAMPs in Immunogenic Cell Death. Front Immunol 2015; 6:588. [PMID: 26635802 PMCID: PMC4653610 DOI: 10.3389/fimmu.2015.00588] [Citation(s) in RCA: 288] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Accepted: 11/02/2015] [Indexed: 12/22/2022] Open
Abstract
The immunogenicity of malignant cells has recently been acknowledged as a critical determinant of efficacy in cancer therapy. Thus, besides developing direct immunostimulatory regimens, including dendritic cell-based vaccines, checkpoint-blocking therapies, and adoptive T-cell transfer, researchers have started to focus on the overall immunobiology of neoplastic cells. It is now clear that cancer cells can succumb to some anticancer therapies by undergoing a peculiar form of cell death that is characterized by an increased immunogenic potential, owing to the emission of the so-called “damage-associated molecular patterns” (DAMPs). The emission of DAMPs and other immunostimulatory factors by cells succumbing to immunogenic cell death (ICD) favors the establishment of a productive interface with the immune system. This results in the elicitation of tumor-targeting immune responses associated with the elimination of residual, treatment-resistant cancer cells, as well as with the establishment of immunological memory. Although ICD has been characterized with increased precision since its discovery, several questions remain to be addressed. Here, we summarize and tabulate the main molecular, immunological, preclinical, and clinical aspects of ICD, in an attempt to capture the essence of this phenomenon, and identify future challenges for this rapidly expanding field of investigation.
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Affiliation(s)
- Abhishek D Garg
- Cell Death Research and Therapy Laboratory, Department of Cellular Molecular Medicine, KU Leuven - University of Leuven , Leuven , Belgium
| | - Lorenzo Galluzzi
- Equipe 11 Labellisée Ligue Contre le Cancer, Centre de Recherche des Cordeliers , Paris , France ; U1138, INSERM , Paris , France ; Université Paris Descartes, Sorbonne Paris Cité , Paris , France ; Université Pierre et Marie Curie , Paris , France ; Gustave Roussy Comprehensive Cancer Institute , Villejuif , France
| | - Lionel Apetoh
- U866, INSERM , Dijon , France ; Faculté de Médecine, Université de Bourgogne , Dijon , France ; Centre Georges François Leclerc , Dijon , France
| | - Thais Baert
- Department of Gynaecology and Obstetrics, UZ Leuven , Leuven , Belgium ; Laboratory of Gynaecologic Oncology, Department of Oncology, Leuven Cancer Institute, KU Leuven , Leuven , Belgium
| | - Raymond B Birge
- Department of Microbiology, Biochemistry, and Molecular Genetics, University Hospital Cancer Center, Rutgers Cancer Institute of New Jersey, New Jersey Medical School , Newark, NJ , USA
| | - José Manuel Bravo-San Pedro
- Equipe 11 Labellisée Ligue Contre le Cancer, Centre de Recherche des Cordeliers , Paris , France ; U1138, INSERM , Paris , France ; Université Paris Descartes, Sorbonne Paris Cité , Paris , France ; Université Pierre et Marie Curie , Paris , France ; Gustave Roussy Comprehensive Cancer Institute , Villejuif , France
| | - Karine Breckpot
- Laboratory of Molecular and Cellular Therapy, Vrije Universiteit Brussel , Jette , Belgium
| | - David Brough
- Faculty of Life Sciences, University of Manchester , Manchester , UK
| | - Ricardo Chaurio
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nurnberg , Erlangen , Germany
| | - Mara Cirone
- Department of Experimental Medicine, Sapienza University of Rome , Rome , Italy
| | - An Coosemans
- Department of Gynaecology and Obstetrics, UZ Leuven , Leuven , Belgium ; Laboratory of Gynaecologic Oncology, Department of Oncology, Leuven Cancer Institute, KU Leuven , Leuven , Belgium
| | - Pierre G Coulie
- de Duve Institute, Université Catholique de Louvain , Brussels , Belgium
| | - Dirk De Ruysscher
- Department of Radiation Oncology, University Hospitals Leuven, KU Leuven - University of Leuven , Leuven , Belgium
| | - Luciana Dini
- Department of Biological and Environmental Science and Technology, University of Salento , Salento , Italy
| | - Peter de Witte
- Laboratory for Molecular Biodiscovery, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven - University of Leuven , Leuven , Belgium
| | - Aleksandra M Dudek-Peric
- Cell Death Research and Therapy Laboratory, Department of Cellular Molecular Medicine, KU Leuven - University of Leuven , Leuven , Belgium
| | | | - Jitka Fucikova
- SOTIO , Prague , Czech Republic ; Department of Immunology, 2nd Faculty of Medicine, University Hospital Motol, Charles University , Prague , Czech Republic
| | - Udo S Gaipl
- Department of Radiation Oncology, Universitätsklinikum Erlangen , Erlangen , Germany
| | - Jakub Golab
- Department of Immunology, Medical University of Warsaw , Warsaw , Poland
| | | | - Michael R Hamblin
- Wellman Center for Photomedicine, Massachusetts General Hospital , Boston, MA , USA
| | - Akseli Hemminki
- Cancer Gene Therapy Group, Transplantation Laboratory, Haartman Institute, University of Helsinki , Helsinki , Finland ; Helsinki University Hospital Comprehensive Cancer Center , Helsinki , Finland ; TILT Biotherapeutics Ltd. , Helsinki , Finland
| | - Martin Herrmann
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nurnberg , Erlangen , Germany
| | - James W Hodge
- Recombinant Vaccine Group, Laboratory of Tumor Immunology and Biology, National Cancer Institute, National Institutes of Health , Bethesda, MD , USA
| | - Oliver Kepp
- Equipe 11 Labellisée Ligue Contre le Cancer, Centre de Recherche des Cordeliers , Paris , France ; U1138, INSERM , Paris , France ; Université Paris Descartes, Sorbonne Paris Cité , Paris , France ; Université Pierre et Marie Curie , Paris , France ; Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute , Villejuif , France
| | - Guido Kroemer
- Equipe 11 Labellisée Ligue Contre le Cancer, Centre de Recherche des Cordeliers , Paris , France ; U1138, INSERM , Paris , France ; Université Paris Descartes, Sorbonne Paris Cité , Paris , France ; Université Pierre et Marie Curie , Paris , France ; Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute , Villejuif , France ; Pôle de Biologie, Hôpital Européen Georges Pompidou, AP-HP , Paris , France ; Department of Women's and Children's Health, Karolinska University Hospital , Stockholm , Sweden
| | - Dmitri V Krysko
- Molecular Signaling and Cell Death Unit, Inflammation Research Center, VIB , Ghent , Belgium ; Department of Biomedical Molecular Biology, Ghent University , Ghent , Belgium
| | - Walter G Land
- Molecular ImmunoRheumatology, INSERM UMRS1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France
| | - Frank Madeo
- Institute of Molecular Biosciences, NAWI Graz, University of Graz , Graz , Austria ; BioTechMed Graz , Graz , Austria
| | - Angelo A Manfredi
- IRRCS Istituto Scientifico San Raffaele, Università Vita-Salute San Raffaele , Milan , Italy
| | - Stephen R Mattarollo
- Translational Research Institute, University of Queensland Diamantina Institute, University of Queensland , Wooloongabba, QLD , Australia
| | - Christian Maueroder
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nurnberg , Erlangen , Germany
| | - Nicolò Merendino
- Laboratory of Cellular and Molecular Nutrition, Department of Ecological and Biological Sciences, Tuscia University , Viterbo , Italy
| | - Gabriele Multhoff
- Department of Radiation Oncology, Klinikum rechts der Isar, Technische Universität München , Munich , Germany
| | - Thomas Pabst
- Department of Medical Oncology, University Hospital , Bern , Switzerland
| | - Jean-Ehrland Ricci
- INSERM, U1065, Université de Nice-Sophia-Antipolis, Centre Méditerranéen de Médecine Moléculaire (C3M), Équipe "Contrôle Métabolique des Morts Cellulaires" , Nice , France
| | - Chiara Riganti
- Department of Oncology, University of Turin , Turin , Italy
| | - Erminia Romano
- Cell Death Research and Therapy Laboratory, Department of Cellular Molecular Medicine, KU Leuven - University of Leuven , Leuven , Belgium
| | - Nicole Rufo
- Cell Death Research and Therapy Laboratory, Department of Cellular Molecular Medicine, KU Leuven - University of Leuven , Leuven , Belgium
| | - Mark J Smyth
- Immunology in Cancer and Infection Laboratory, QIMR Berghofer Medical Research Insitute , Herston, QLD , Australia ; School of Medicine, University of Queensland , Herston, QLD , Australia
| | - Jürgen Sonnemann
- Department of Paediatric Haematology and Oncology, Children's Clinic, Jena University Hospital , Jena , Germany
| | - Radek Spisek
- SOTIO , Prague , Czech Republic ; Department of Immunology, 2nd Faculty of Medicine, University Hospital Motol, Charles University , Prague , Czech Republic
| | - John Stagg
- Centre de Recherche du Centre Hospitalier de l'Université de Montréal, Institut du Cancer de Montréal, Faculté de Pharmacie, Université de Montréal , Montreal, QC , Canada
| | - Erika Vacchelli
- Equipe 11 Labellisée Ligue Contre le Cancer, Centre de Recherche des Cordeliers , Paris , France ; U1138, INSERM , Paris , France ; Université Paris Descartes, Sorbonne Paris Cité , Paris , France ; Université Pierre et Marie Curie , Paris , France ; Gustave Roussy Comprehensive Cancer Institute , Villejuif , France
| | - Peter Vandenabeele
- Molecular Signaling and Cell Death Unit, Inflammation Research Center, VIB , Ghent , Belgium ; Department of Biomedical Molecular Biology, Ghent University , Ghent , Belgium
| | - Lien Vandenberk
- Laboratory of Pediatric Immunology, Department of Microbiology and Immunology, KU Leuven - University of Leuven , Leuven , Belgium
| | - Benoit J Van den Eynde
- Ludwig Institute for Cancer Research, de Duve Institute, Université Catholique de Louvain , Brussels , Belgium
| | - Stefaan Van Gool
- Laboratory of Pediatric Immunology, Department of Microbiology and Immunology, KU Leuven - University of Leuven , Leuven , Belgium
| | - Francesca Velotti
- Department of Ecological and Biological Sciences, Tuscia University , Viterbo , Italy
| | - Laurence Zitvogel
- Gustave Roussy Comprehensive Cancer Institute , Villejuif , France ; University of Paris Sud , Le Kremlin-Bicêtre , France ; U1015, INSERM , Villejuif , France ; Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 507 , Villejuif , France
| | - Patrizia Agostinis
- Cell Death Research and Therapy Laboratory, Department of Cellular Molecular Medicine, KU Leuven - University of Leuven , Leuven , Belgium
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Immunoregulatory Cell Depletion Improves the Efficacy of Photodynamic Therapy-Generated Cancer Vaccines. Int J Mol Sci 2015; 16:27005-14. [PMID: 26569233 PMCID: PMC4661866 DOI: 10.3390/ijms161126008] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Revised: 09/16/2015] [Accepted: 11/03/2015] [Indexed: 12/25/2022] Open
Abstract
Photodynamic therapy (PDT)-generated cancer vaccine represents an attractive potential application of PDT, therapeutic modality destroying targeted lesions by localized photooxidative stress. Since immunoregulatory cell activity has become recognized as a major obstacle to effective cancer immunotherapy, the present study examined their participation in the therapeutic effect of PDT cancer vaccine. Following protocols from previous studies, mouse with squamous cell carcinoma SCCVII tumors were vaccinated by SCCVII cells treated by PDT and response monitored by tumor size measurement. The effects of low-dose cyclophosphamide (50 mg/kg) and all-trans retinoic acid (ATRA) on the numbers of Tregs and myeloid-derived suppressor cells (MDSCs) were determined by antibody staining followed by flow cytometry, while their impact on PDT vaccine therapy was evaluated by monitoring changes in tumor responses. Cyclophosphamide effectively reduced the numbers of Tregs, which became elevated following PDT vaccine treatment, and this resulted in an increase in the vaccine’s effectiveness. A similar benefit for the therapy outcome with PDT vaccine was attained by ATRA treatment. The activities of Tregs and MDSCs thus have a critical impact on therapy outcome with PDT vaccine and reducing their numbers substantially improves the vaccine’s effectiveness.
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18
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Kepp O, Semeraro M, Bravo-San Pedro JM, Bloy N, Buqué A, Huang X, Zhou H, Senovilla L, Kroemer G, Galluzzi L. eIF2α phosphorylation as a biomarker of immunogenic cell death. Semin Cancer Biol 2015; 33:86-92. [PMID: 25749194 DOI: 10.1016/j.semcancer.2015.02.004] [Citation(s) in RCA: 95] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Revised: 02/13/2015] [Accepted: 02/21/2015] [Indexed: 12/20/2022]
Abstract
Cancer cells exposed to some forms of chemotherapy and radiotherapy die while eliciting an adaptive immune response. Such a functionally peculiar variant of apoptosis has been dubbed immunogenic cell death (ICD). One of the central events in the course of ICD is the activation of an endoplasmic reticulum (ER) stress response. This is instrumental for cells undergoing ICD to emit all the signals that are required for their demise to be perceived as immunogenic by the host, and culminates with the phosphorylation of eukaryotic translation initiation factor 2α (eIF2α). In particular, eIF2α phosphorylation is required for the pre-apoptotic exposure of the ER chaperone calreticulin (CALR) on the cell surface, which is a central determinant of ICD. Importantly, phosphorylated eIF2α can be quantified in both preclinical and clinical samples by immunoblotting or immunohistochemistry using phosphoneoepitope-specific monoclonal antibodies. Of note, the phosphorylation of eIF2α and CALR exposure do not necessarily correlate with each other, and neither of these parameters is sufficient for cell death to be perceived as immunogenic. Nonetheless, accumulating data indicate that assessing the degree of phosphorylation of eIF2α provides a convenient parameter to monitor ICD. Here, we discuss the role of the ER stress response in ICD and the potential value of eIF2α phosphorylation as a biomarker for this clinically relevant variant of apoptosis.
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Affiliation(s)
- Oliver Kepp
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France; INSERM, U1138, Paris, France; Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
| | - Michaela Semeraro
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France; Gustave Roussy Cancer Campus, Villejuif, France; INSERM, U1015, Paris, France
| | - José Manuel Bravo-San Pedro
- INSERM, U1138, Paris, France; Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France; Gustave Roussy Cancer Campus, Villejuif, France
| | - Norma Bloy
- INSERM, U1138, Paris, France; Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France; Gustave Roussy Cancer Campus, Villejuif, France
| | - Aitziber Buqué
- INSERM, U1138, Paris, France; Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France; Gustave Roussy Cancer Campus, Villejuif, France
| | - Xing Huang
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France; INSERM, U1138, Paris, France; Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
| | - Heng Zhou
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France; INSERM, U1138, Paris, France; Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
| | - Laura Senovilla
- INSERM, U1138, Paris, France; Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France; Gustave Roussy Cancer Campus, Villejuif, France
| | - Guido Kroemer
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France; INSERM, U1138, Paris, France; Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France; Pôle de Biologie, Hôpital Européen Georges Pompidou, AP-HP, Paris, France; Université Paris Descartes/Paris V, Sorbonne Paris Cité, Paris, France; Université Pierre et Marie Curie/Paris VI, Paris, France.
| | - Lorenzo Galluzzi
- INSERM, U1138, Paris, France; Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France; Gustave Roussy Cancer Campus, Villejuif, France; Université Paris Descartes/Paris V, Sorbonne Paris Cité, Paris, France; Université Pierre et Marie Curie/Paris VI, Paris, France.
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19
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Korbelik M, Banáth J, Saw KM, Zhang W, Čiplys E. Calreticulin as cancer treatment adjuvant: combination with photodynamic therapy and photodynamic therapy-generated vaccines. Front Oncol 2015; 5:15. [PMID: 25692097 PMCID: PMC4315177 DOI: 10.3389/fonc.2015.00015] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2014] [Accepted: 01/13/2015] [Indexed: 12/27/2022] Open
Abstract
Calreticulin is recognized as one of the pivotal damage-associated molecular pattern molecules alerting the host of the presence of distressed cells. In this role, calreticulin becomes exposed on the surface of tumor cells treated by several types of cancer therapy including photodynamic therapy (PDT). The goal of the present study was to examine the potential of externally added calreticulin for augmenting antitumor effect mediated by PDT. Recombinant calreticulin was found to bind to mouse SCCVII tumor cells treated by PDT. Compared to the outcome with PDT alone, cure rates of SCCVII tumors grown in immunocompetent C3H/HeN mice were elevated when calreticulin (0.4 mg/mouse) was injected peritumorally immediately after PDT. Such therapeutic gain with PDT plus calreticulin combination was not obtained with SCCVII tumors growing in immunodeficient NOD-scid mice. In PDT-vaccine protocol, where PDT-treated SCCVII cells are used for vaccination of SCCVII tumor-bearing mice, adding recombinant calreticulin to cells before their injection produced improved therapeutic effect. The expression of calreticulin gene was reduced in PDT-treated cells, while no changes were observed with the expression of this gene in tumor, liver, and spleen tissues in PDT-vaccine-treated mice. These findings reveal that externally added recombinant calreticulin can boost antitumor response elicited by PDT or PDT-generated vaccines, and can thus serve as an effective adjuvant for cancer treatment with PDT and probably other cancer cell stress-inducing modalities.
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Affiliation(s)
| | - Judit Banáth
- British Columbia Cancer Agency , Vancouver, BC , Canada
| | - Kyi Min Saw
- British Columbia Cancer Agency , Vancouver, BC , Canada
| | - Wei Zhang
- British Columbia Cancer Agency , Vancouver, BC , Canada
| | - Evaldas Čiplys
- Vilnius University Institute of Biotechnology , Vilnius , Lithuania
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20
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Garg AD, Maes H, Romano E, Agostinis P. Autophagy, a major adaptation pathway shaping cancer cell death and anticancer immunity responses following photodynamic therapy. Photochem Photobiol Sci 2015; 14:1410-24. [DOI: 10.1039/c4pp00466c] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Autophagy is fundamentally a cytoprotective and pro-survival process yet studies have shown that it has an exceedingly contextual role in cancer biology; depending on the phase, location or type of oncogenic trigger and/or therapy, its role could fluctuate from pro- to anti-tumourigenic.
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Affiliation(s)
- Abhishek D. Garg
- Cell Death Research & Therapy (CDRT) Unit
- Department for Cellular and Molecular Medicine
- University of Leuven (KULeuven)
- Leuven
- Belgium
| | - Hannelore Maes
- Cell Death Research & Therapy (CDRT) Unit
- Department for Cellular and Molecular Medicine
- University of Leuven (KULeuven)
- Leuven
- Belgium
| | - Erminia Romano
- Cell Death Research & Therapy (CDRT) Unit
- Department for Cellular and Molecular Medicine
- University of Leuven (KULeuven)
- Leuven
- Belgium
| | - Patrizia Agostinis
- Cell Death Research & Therapy (CDRT) Unit
- Department for Cellular and Molecular Medicine
- University of Leuven (KULeuven)
- Leuven
- Belgium
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21
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Kepp O, Senovilla L, Vitale I, Vacchelli E, Adjemian S, Agostinis P, Apetoh L, Aranda F, Barnaba V, Bloy N, Bracci L, Breckpot K, Brough D, Buqué A, Castro MG, Cirone M, Colombo MI, Cremer I, Demaria S, Dini L, Eliopoulos AG, Faggioni A, Formenti SC, Fučíková J, Gabriele L, Gaipl US, Galon J, Garg A, Ghiringhelli F, Giese NA, Guo ZS, Hemminki A, Herrmann M, Hodge JW, Holdenrieder S, Honeychurch J, Hu HM, Huang X, Illidge TM, Kono K, Korbelik M, Krysko DV, Loi S, Lowenstein PR, Lugli E, Ma Y, Madeo F, Manfredi AA, Martins I, Mavilio D, Menger L, Merendino N, Michaud M, Mignot G, Mossman KL, Multhoff G, Oehler R, Palombo F, Panaretakis T, Pol J, Proietti E, Ricci JE, Riganti C, Rovere-Querini P, Rubartelli A, Sistigu A, Smyth MJ, Sonnemann J, Spisek R, Stagg J, Sukkurwala AQ, Tartour E, Thorburn A, Thorne SH, Vandenabeele P, Velotti F, Workenhe ST, Yang H, Zong WX, Zitvogel L, Kroemer G, Galluzzi L. Consensus guidelines for the detection of immunogenic cell death. Oncoimmunology 2014; 3:e955691. [PMID: 25941621 PMCID: PMC4292729 DOI: 10.4161/21624011.2014.955691] [Citation(s) in RCA: 617] [Impact Index Per Article: 61.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Accepted: 08/04/2014] [Indexed: 02/07/2023] Open
Abstract
Apoptotic cells have long been considered as intrinsically tolerogenic or unable to elicit immune responses specific for dead cell-associated antigens. However, multiple stimuli can trigger a functionally peculiar type of apoptotic demise that does not go unnoticed by the adaptive arm of the immune system, which we named "immunogenic cell death" (ICD). ICD is preceded or accompanied by the emission of a series of immunostimulatory damage-associated molecular patterns (DAMPs) in a precise spatiotemporal configuration. Several anticancer agents that have been successfully employed in the clinic for decades, including various chemotherapeutics and radiotherapy, can elicit ICD. Moreover, defects in the components that underlie the capacity of the immune system to perceive cell death as immunogenic negatively influence disease outcome among cancer patients treated with ICD inducers. Thus, ICD has profound clinical and therapeutic implications. Unfortunately, the gold-standard approach to detect ICD relies on vaccination experiments involving immunocompetent murine models and syngeneic cancer cells, an approach that is incompatible with large screening campaigns. Here, we outline strategies conceived to detect surrogate markers of ICD in vitro and to screen large chemical libraries for putative ICD inducers, based on a high-content, high-throughput platform that we recently developed. Such a platform allows for the detection of multiple DAMPs, like cell surface-exposed calreticulin, extracellular ATP and high mobility group box 1 (HMGB1), and/or the processes that underlie their emission, such as endoplasmic reticulum stress, autophagy and necrotic plasma membrane permeabilization. We surmise that this technology will facilitate the development of next-generation anticancer regimens, which kill malignant cells and simultaneously convert them into a cancer-specific therapeutic vaccine.
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Key Words
- APC, antigen-presenting cell
- ATF6, activating transcription factor 6
- ATP release
- BAK1, BCL2-antagonist/killer 1
- BAX, BCL2-associated X protein
- BCL2, B-cell CLL/lymphoma 2 protein
- CALR, calreticulin
- CTL, cytotoxic T lymphocyte
- DAMP, damage-associated molecular pattern
- DAPI, 4′,6-diamidino-2-phenylindole
- DiOC6(3), 3,3′-dihexyloxacarbocyanine iodide
- EIF2A, eukaryotic translation initiation factor 2A
- ER, endoplasmic reticulum
- FLT3LG, fms-related tyrosine kinase 3 ligand
- G3BP1, GTPase activating protein (SH3 domain) binding protein 1
- GFP, green fluorescent protein
- H2B, histone 2B
- HMGB1
- HMGB1, high mobility group box 1
- HSP, heat shock protein
- HSV-1, herpes simplex virus type I
- ICD, immunogenic cell death
- IFN, interferon
- IL, interleukin
- MOMP, mitochondrial outer membrane permeabilization
- PDIA3, protein disulfide isomerase family A
- PI, propidium iodide
- RFP, red fluorescent protein
- TLR, Toll-like receptor
- XBP1, X-box binding protein 1
- autophagy
- calreticulin
- endoplasmic reticulum stress
- immunotherapy
- member 3
- Δψm, mitochondrial transmembrane potential
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Affiliation(s)
- Oliver Kepp
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- INSERM; U1138; Paris, France
- Metabolomics and Cell Biology Platforms; Gustave Roussy Cancer Campus; Villejuif, France
| | - Laura Senovilla
- INSERM; U1138; Paris, France
- Metabolomics and Cell Biology Platforms; Gustave Roussy Cancer Campus; Villejuif, France
- INSERM; U1015; Villejuif, France
| | - Ilio Vitale
- Regina Elena National Cancer Institute; Rome, Italy
| | - Erika Vacchelli
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- INSERM; U1138; Paris, France
- Gustave Roussy Cancer Campus; Villejuif, France
| | - Sandy Adjemian
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- INSERM; U1138; Paris, France
- Gustave Roussy Cancer Campus; Villejuif, France
- Molecular Cell Biology Laboratory; Department of Immunology; Institute of Biomedical Sciences; University of São Paulo; São Paulo, Brazil
| | - Patrizia Agostinis
- Cell Death Research and Therapy (CDRT) Laboratory; Department of Cellular and Molecular Medicine; University of Leuven; Leuven, Belgium
| | - Lionel Apetoh
- INSERM; UMR866; Dijon, France
- Centre Georges François Leclerc; Dijon, France
- Université de Bourgogne; Dijon, France
| | - Fernando Aranda
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- INSERM; U1138; Paris, France
- Gustave Roussy Cancer Campus; Villejuif, France
| | - Vincenzo Barnaba
- Departement of Internal Medicine and Medical Sciences; University of Rome La Sapienza; Rome, Italy
- Istituto Pasteur; Fondazione Cenci Bolognetti; Rome, Italy
| | - Norma Bloy
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- INSERM; U1138; Paris, France
- Gustave Roussy Cancer Campus; Villejuif, France
| | - Laura Bracci
- Department of Hematology; Oncology and Molecular Medicine; Istituto Superiore di Sanità (ISS); Rome, Italy
| | - Karine Breckpot
- Laboratory of Molecular and Cellular Therapy (LMCT); Department of Biomedical Sciences Medical School of the Free University of Brussels (VUB); Jette, Belgium
| | - David Brough
- Faculty of Life Sciences; University of Manchester; Manchester, UK
| | - Aitziber Buqué
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- INSERM; U1138; Paris, France
- Gustave Roussy Cancer Campus; Villejuif, France
| | - Maria G. Castro
- Department of Neurosurgery and Cell and Developmental Biology; University of Michigan School of Medicine; Ann Arbor, MI USA
| | - Mara Cirone
- Department of Experimental Medicine; University of Rome La Sapienza; Rome, Italy
| | - Maria I. Colombo
- Laboratorio de Biología Celular y Molecular; Instituto de Histología y Embriología (IHEM); Facultad de Ciencias Médicas; Universidad Nacional de Cuyo; CONICET; Mendoza, Argentina
| | - Isabelle Cremer
- INSERM; U1138; Paris, France
- Université Pierre et Marie Curie/Paris VI; Paris, France
- Equipe 13; Center de Recherche des Cordeliers; Paris, France
| | - Sandra Demaria
- Department of Pathology; New York University School of Medicine; New York, NY USA
| | - Luciana Dini
- Department of Biological and Environmental Science and Technology (DiSTeBA); University of Salento; Lecce, Italy
| | - Aristides G. Eliopoulos
- Molecular and Cellular Biology Laboratory; Division of Basic Sciences; University of Crete Medical School; Heraklion, Greece
- Institute of Molecular Biology and Biotechnology; Foundation of Research and Technology - Hellas; Heraklion, Greece
| | - Alberto Faggioni
- Department of Experimental Medicine; University of Rome La Sapienza; Rome, Italy
| | - Silvia C. Formenti
- Department of Radiation Oncology; NewYork University School of Medicine and Langone Medical Center; New York, NY USA
| | - Jitka Fučíková
- Department of Immunology; 2 Faculty of Medicine and University Hospital Motol, Charles University; Prague, Czech Republic
- Sotio; Prague, Czech Republic
| | - Lucia Gabriele
- Department of Hematology; Oncology and Molecular Medicine; Istituto Superiore di Sanità (ISS); Rome, Italy
| | - Udo S. Gaipl
- Department of Radiation Oncology; University Hospital Erlangen; University of Erlangen-Nürnberg; Erlangen, Germany
| | - Jérôme Galon
- INSERM; U1138; Paris, France
- Université Pierre et Marie Curie/Paris VI; Paris, France
- Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France
- Laboratory of Integrative Cancer Immunology; Center de Recherche des Cordeliers; Paris, France
| | - Abhishek Garg
- Cell Death Research and Therapy (CDRT) Laboratory; Department of Cellular and Molecular Medicine; University of Leuven; Leuven, Belgium
| | - François Ghiringhelli
- INSERM; UMR866; Dijon, France
- Centre Georges François Leclerc; Dijon, France
- Université de Bourgogne; Dijon, France
| | - Nathalia A. Giese
- European Pancreas Center; Department of Surgery; University Hospital Heidelberg; Heidelberg, Germany
| | - Zong Sheng Guo
- Department of Surgery; University of Pittsburgh; Pittsburgh, PA USA
| | - Akseli Hemminki
- Cancer Gene Therapy Group; Transplantation laboratory; Haartman Institute; University of Helsinki; Helsinki, Finland
| | - Martin Herrmann
- Department of Internal Medicine 3; University of Erlangen-Nuremberg; Erlangen, Germany
| | - James W. Hodge
- Laboratory of Tumor Immunology and Biology; Center for Cancer Research; National Cancer Institute (NCI), National Institutes of Health (NIH); Bethesda, MD USA
| | - Stefan Holdenrieder
- Institute of Clinical Chemistry and Clinical Pharmacology; University Hospital Bonn; Bonn, Germany
| | - Jamie Honeychurch
- Faculty of Medical and Human Sciences, Institute of Cancer Studies; Manchester Academic Health Sciences Center; University of Manchester; Manchester, UK
| | - Hong-Min Hu
- Cancer Research and Biotherapy Center; Second Affiliated Hospital of Southeast University; Nanjing, China
- Laboratory of Cancer Immunobiology; Earle A. Chiles Research Institute; Providence Portland Medical Center; Portland, OR USA
| | - Xing Huang
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- INSERM; U1138; Paris, France
- Metabolomics and Cell Biology Platforms; Gustave Roussy Cancer Campus; Villejuif, France
| | - Tim M. Illidge
- Faculty of Medical and Human Sciences, Institute of Cancer Studies; Manchester Academic Health Sciences Center; University of Manchester; Manchester, UK
| | - Koji Kono
- Department of Surgery; National University of Singapore; Singapore, Singapore
- Cancer Science Institute of Singapore; National University of Singapore; Singapore, Singapore
| | | | - Dmitri V. Krysko
- VIB Inflammation Research Center; Ghent, Belgium
- Department of Biomedical Molecular Biology; Ghent University; Ghent, Belgium
| | - Sherene Loi
- Division of Cancer Medicine and Division of Research; Peter MacCallum Cancer Center; East Melbourne; Victoria, Australia
| | - Pedro R. Lowenstein
- Department of Neurosurgery and Cell and Developmental Biology; University of Michigan School of Medicine; Ann Arbor, MI USA
| | - Enrico Lugli
- Unit of Clinical and Experimental Immunology; Humanitas Clinical and Research Center; Milan, Italy
- Department of Medical Biotechnologies and Translational Medicine, University of Milan; Rozzano, Italy
| | - Yuting Ma
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- INSERM; U1138; Paris, France
- Gustave Roussy Cancer Campus; Villejuif, France
| | - Frank Madeo
- Institute of Molecular Biosciences; University of Graz; Graz, Austria
| | - Angelo A. Manfredi
- University Vita-Salute San Raffaele; Milano, Italy
- San Raffaele Scientific Institute; Milano, Italy
| | - Isabelle Martins
- Gustave Roussy Cancer Campus; Villejuif, France
- INSERM, U1030; Villejuif, France
- Faculté de Médecine; Université Paris-Sud/Paris XI; Kremlin-Bicêtre, France
| | - Domenico Mavilio
- Unit of Clinical and Experimental Immunology; Humanitas Clinical and Research Center; Milan, Italy
- Department of Medical Biotechnologies and Translational Medicine, University of Milan; Rozzano, Italy
| | - Laurie Menger
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- INSERM; U1138; Paris, France
- Gustave Roussy Cancer Campus; Villejuif, France
- Cancer Immunology Unit, Research Department of Haematology; University College London (UCL) Cancer Institute; London, UK
| | - Nicolò Merendino
- Department of Ecological and Biological Sciences (DEB), Tuscia University; Viterbo, Italy
| | - Michael Michaud
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- INSERM; U1138; Paris, France
- Gustave Roussy Cancer Campus; Villejuif, France
| | - Gregoire Mignot
- Cellular and Molecular Immunology and Endocrinology, Oniris; Nantes, France
| | - Karen L. Mossman
- Department of Pathology and Molecular Medicine; McMaster Immunology Research Center; Hamilton, Canada
- Institute for Infectious Disease Research; McMaster University; Hamilton, Canada
| | - Gabriele Multhoff
- Department of Radiation Oncology; Klinikum rechts der Isar; Technical University of Munich; Munich, Germany
| | - Rudolf Oehler
- Comprehensive Cancer Center; Medical University of Vienna; Vienna, Austria
| | - Fabio Palombo
- Departement of Internal Medicine and Medical Sciences; University of Rome La Sapienza; Rome, Italy
- Istituto Pasteur; Fondazione Cenci Bolognetti; Rome, Italy
| | | | - Jonathan Pol
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- INSERM; U1138; Paris, France
- Gustave Roussy Cancer Campus; Villejuif, France
| | - Enrico Proietti
- Department of Hematology; Oncology and Molecular Medicine; Istituto Superiore di Sanità (ISS); Rome, Italy
| | - Jean-Ehrland Ricci
- INSERM; U1065; Nice, France
- Equipe “Contrôle Métabolique des Morts Cellulaires,” Center Méditerranéen de Médecine Moléculaire (C3M); Nice, France
- Faculté de Médecine; Université de Nice Sophia Antipolis; Nice, France
- Centre Hospitalier Universitaire de Nice; Nice, France
| | - Chiara Riganti
- Department of Oncology and Subalpine Center for Research and Experimental Medicine (CeRMS); University of Turin; Turin, Italy
| | - Patrizia Rovere-Querini
- University Vita-Salute San Raffaele; Milano, Italy
- San Raffaele Scientific Institute; Milano, Italy
| | - Anna Rubartelli
- Cell Biology Unit; Azienda Ospedaliera Universitaria San Martino; Istituto Nazionale per la Ricerca sul Cancro; Genova, Italy
| | | | - Mark J. Smyth
- Immunology in Cancer and Infection Laboratory; QIMR Berghofer Medical Research Institute; Herston, Australia
- School of Medicine, University of Queensland; Herston, Australia
| | - Juergen Sonnemann
- Department of Pediatric Haematology and Oncology; Jena University Hospital, Children's Clinic; Jena, Germany
| | - Radek Spisek
- Department of Immunology; 2 Faculty of Medicine and University Hospital Motol, Charles University; Prague, Czech Republic
- Sotio; Prague, Czech Republic
| | - John Stagg
- Centre de Recherche du Center Hospitalier de l’Université de Montréal; Faculté de Pharmacie, Université de Montréal; Montréal, Canada
| | - Abdul Qader Sukkurwala
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- INSERM; U1138; Paris, France
- Gustave Roussy Cancer Campus; Villejuif, France
- Department of Pathology, Dow International Medical College; Dow University of Health Sciences; Karachi, Pakistan
| | - Eric Tartour
- INSERM; U970; Paris, France
- Pôle de Biologie; Hôpital Européen Georges Pompidou; AP-HP; Paris, France
| | - Andrew Thorburn
- Department of Pharmacology; University of Colorado School of Medicine; Aurora, CO USA
| | | | - Peter Vandenabeele
- VIB Inflammation Research Center; Ghent, Belgium
- Department of Biomedical Molecular Biology; Ghent University; Ghent, Belgium
- Methusalem Program; Ghent University; Ghent, Belgium
| | - Francesca Velotti
- Department of Ecological and Biological Sciences (DEB), Tuscia University; Viterbo, Italy
| | - Samuel T. Workenhe
- Department of Pathology and Molecular Medicine; McMaster Immunology Research Center; Hamilton, Canada
- Institute for Infectious Disease Research; McMaster University; Hamilton, Canada
| | - Haining Yang
- University of Hawaii Cancer Center; Honolulu, HI USA
| | - Wei-Xing Zong
- Department of Molecular Genetics and Microbiology; Stony Brook University; Stony Brook, NY USA
| | - Laurence Zitvogel
- INSERM; U1015; Villejuif, France
- Gustave Roussy Cancer Campus; Villejuif, France
- Centre d’Investigation Clinique Biothérapie 507 (CICBT507); Gustave Roussy Cancer Campus; Villejuif, France
| | - Guido Kroemer
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- INSERM; U1138; Paris, France
- Metabolomics and Cell Biology Platforms; Gustave Roussy Cancer Campus; Villejuif, France
- Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France
- Pôle de Biologie; Hôpital Européen Georges Pompidou; AP-HP; Paris, France
| | - Lorenzo Galluzzi
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- INSERM; U1138; Paris, France
- Gustave Roussy Cancer Campus; Villejuif, France
- Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France
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