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Hijazi A, Galon J. Principles of risk assessment in colon cancer: immunity is key. Oncoimmunology 2024; 13:2347441. [PMID: 38694625 PMCID: PMC11062361 DOI: 10.1080/2162402x.2024.2347441] [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: 11/30/2023] [Accepted: 04/16/2024] [Indexed: 05/04/2024] Open
Abstract
In clinical practice, the administration of adjuvant chemotherapy (ACT) following tumor surgical resection raises a critical dilemma for stage II colon cancer (CC) patients. The prognostic features used to identify high-risk CC patients rely on the pathological assessment of tumor cells. Currently, these factors are considered for stratifying patients who may benefit from ACT at early CC stages. However, the extent to which these factors predict clinical outcomes (i.e. recurrence, survival) remains highly controversial, also uncertainty persists regarding patients' response to treatment, necessitating further investigation. Therefore, an imperious need is to explore novel biomarkers that can reliably stratify patients at risk, to optimize adjuvant treatment decisions. Recently, we evaluated the prognostic and predictive value of Immunoscore (IS), an immune digital-pathology assay, in stage II CC patients. IS emerged as the sole significant parameter for predicting disease-free survival (DFS) in high-risk patients. Moreover, IS effectively stratified patients who would benefit most from ACT based on their risk of recurrence, thus predicting their outcomes. Notably, our findings revealed that digital IS outperformed the visual quantitative assessment of the immune response conducted by expert pathologists. The latest edition of the WHO classification for digestive tumor has introduced the evaluation of the immune response, as assessed by IS, as desirable and essential diagnostic criterion. This supports the revision of current cancer guidelines and strongly recommends the implementation of IS into clinical practice as a patient stratification tool, to guide CC treatment decisions. This approach may provide appropriate personalized therapeutic decisions that could critically impact early-stage CC patient care.
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Affiliation(s)
- Assia Hijazi
- INSERM, Laboratory of Integrative Cancer Immunology, Paris, France
- Equipe Labellisée Ligue Contre le Cancer, Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université Paris Cité, Paris, France
| | - Jérôme Galon
- INSERM, Laboratory of Integrative Cancer Immunology, Paris, France
- Equipe Labellisée Ligue Contre le Cancer, Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université Paris Cité, Paris, France
- Veracyte, Marseille, France
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Hijazi A, Bifulco C, Baldin P, Galon J. Digital Pathology for Better Clinical Practice. Cancers (Basel) 2024; 16:1686. [PMID: 38730638 PMCID: PMC11083211 DOI: 10.3390/cancers16091686] [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: 04/08/2024] [Revised: 04/24/2024] [Accepted: 04/25/2024] [Indexed: 05/13/2024] Open
Abstract
(1) Background: Digital pathology (DP) is transforming the landscape of clinical practice, offering a revolutionary approach to traditional pathology analysis and diagnosis. (2) Methods: This innovative technology involves the digitization of traditional glass slides which enables pathologists to access, analyze, and share high-resolution whole-slide images (WSI) of tissue specimens in a digital format. By integrating cutting-edge imaging technology with advanced software, DP promises to enhance clinical practice in numerous ways. DP not only improves quality assurance and standardization but also allows remote collaboration among experts for a more accurate diagnosis. Artificial intelligence (AI) in pathology significantly improves cancer diagnosis, classification, and prognosis by automating various tasks. It also enhances the spatial analysis of tumor microenvironment (TME) and enables the discovery of new biomarkers, advancing their translation for therapeutic applications. (3) Results: The AI-driven immune assays, Immunoscore (IS) and Immunoscore-Immune Checkpoint (IS-IC), have emerged as powerful tools for improving cancer diagnosis, prognosis, and treatment selection by assessing the tumor immune contexture in cancer patients. Digital IS quantitative assessment performed on hematoxylin-eosin (H&E) and CD3+/CD8+ stained slides from colon cancer patients has proven to be more reproducible, concordant, and reliable than expert pathologists' evaluation of immune response. Outperforming traditional staging systems, IS demonstrated robust potential to enhance treatment efficiency in clinical practice, ultimately advancing cancer patient care. Certainly, addressing the challenges DP has encountered is essential to ensure its successful integration into clinical guidelines and its implementation into clinical use. (4) Conclusion: The ongoing progress in DP holds the potential to revolutionize pathology practices, emphasizing the need to incorporate powerful AI technologies, including IS, into clinical settings to enhance personalized cancer therapy.
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Affiliation(s)
- Assia Hijazi
- The French National Institute of Health & Medical Research (INSERM), Laboratory of Integrative Cancer Immunology, F-75006 Paris, France;
- Equipe Labellisée Ligue Contre le Cancer, F-75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université Paris Cité, F-75006 Paris, France
| | - Carlo Bifulco
- Providence Genomics, Portland, OR 02912, USA;
- Earle A Chiles Research Institute, Portland, OR 97213, USA
| | - Pamela Baldin
- Department of Pathology, Cliniques Universitaires Saint Luc, UCLouvain, 1200 Brussels, Belgium;
| | - Jérôme Galon
- The French National Institute of Health & Medical Research (INSERM), Laboratory of Integrative Cancer Immunology, F-75006 Paris, France;
- Equipe Labellisée Ligue Contre le Cancer, F-75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université Paris Cité, F-75006 Paris, France
- Veracyte, 13009 Marseille, France
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Hijazi A, Antoniotti C, Cremolini C, Galon J. Light on life: immunoscore immune-checkpoint, a predictor of immunotherapy response. Oncoimmunology 2023; 12:2243169. [PMID: 37554310 PMCID: PMC10405746 DOI: 10.1080/2162402x.2023.2243169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/27/2023] [Accepted: 07/27/2023] [Indexed: 08/10/2023] Open
Abstract
In the last decade, a plethora of immunotherapeutic strategies have been designed to modulate the tumor immune microenvironment. In particular, immune checkpoint (IC) blockade therapies present the most promising advances made in cancer treatment in recent years. In non-small cell lung cancer (NSCLC), biomarkers predicting response to IC treatments are currently lacking. We have recently identified Immunoscore-IC, a powerful biomarker that predicts the efficiency of immune-checkpoint inhibitors (ICIs) in NSCLC patients. Immunoscore-IC is an in vitro diagnostic assay that quantifies densities of PD-L1+, CD8+ cells, and distances between CD8+ and PD-L1+ cells in the tumor microenvironment. Immunoscore-IC can classify responder vs non-responder NSCLC patients for ICIs therapy and is revealed as a promising predictive marker of response to anti-PD-1/PD-L1 immunotherapy in these patients. Immunoscore-IC has also shown a significant predictive value, superior to the currently used PD-L1 marker. In colorectal cancer (CRC), the addition of atezolizumab to first-line FOLFOXIRI plus bevacizumab improved progression-free survival (PFS) in patients with previously untreated metastatic CRC. In the AtezoTRIBE trial, Immunoscore-IC emerged as the first biomarker with robust predictive value in stratifying pMMR metastatic CRC patients who critically benefit from checkpoint inhibitors. Thus, Immunoscore-IC could be a universal biomarker to predict response to PD-1/PD-L1 checkpoint inhibitor immunotherapy across multiple cancer indications. Therefore, cancer patient stratification (by Immunoscore-IC), based on the presence of T lymphocytes and PD-L1 potentially provides support for clinicians to guide them through combination cancer treatment decisions.
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Affiliation(s)
- Assia Hijazi
- INSERM, Laboratory of Integrative Cancer Immunology, Paris, France
- Equipe Labellisée Ligue Contre le Cancer, Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université Paris Cité, Paris, France
| | - Carlotta Antoniotti
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Chiara Cremolini
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Jérôme Galon
- INSERM, Laboratory of Integrative Cancer Immunology, Paris, France
- Equipe Labellisée Ligue Contre le Cancer, Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université Paris Cité, Paris, France
- Veracyte, Marseille, France
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4
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Mlecnik B, Lugli A, Bindea G, Marliot F, Bifulco C, Lee JKJ, Zlobec I, Rau TT, Berger MD, Nagtegaal ID, Vink-Börger E, Hartmann A, Geppert CI, Kolwelter J, Merkel S, Grützmann R, Van den Eynde M, Jouret-Mourin A, Kartheuser A, Léonard D, Remue C, Wang J, Bavi P, Roehrl MHA, Ohashi PS, Nguyen LT, Han S, MacGregor HL, Hafezi-Bakhtiari S, Wouters BG, Masucci GV, Andersson EK, Zavadova E, Vocka M, Spacek J, Petruzelka L, Konopasek B, Dundr P, Skalova H, Nemejcova K, Botti G, Tatangelo F, Delrio P, Ciliberto G, Maio M, Laghi L, Grizzi F, Fredriksen T, Buttard B, Lafontaine L, Maby P, Majdi A, Hijazi A, El Sissy C, Kirilovsky A, Berger A, Lagorce C, Paustian C, Ballesteros-Merino C, Dijkstra J, van de Water C, Vliet SVLV, Knijn N, Mușină AM, Scripcariu DV, Popivanova B, Xu M, Fujita T, Hazama S, Suzuki N, Nagano H, Okuno K, Torigoe T, Sato N, Furuhata T, Takemasa I, Patel P, Vora HH, Shah B, Patel JB, Rajvik KN, Pandya SJ, Shukla SN, Wang Y, Zhang G, Kawakami Y, Marincola FM, Ascierto PA, Fox BA, Pagès F, Galon J. Multicenter International Study of the Consensus Immunoscore for the Prediction of Relapse and Survival in Early-Stage Colon Cancer. Cancers (Basel) 2023; 15:cancers15020418. [PMID: 36672367 PMCID: PMC9856473 DOI: 10.3390/cancers15020418] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/23/2022] [Accepted: 01/05/2023] [Indexed: 01/11/2023] Open
Abstract
Background: The prognostic value of Immunoscore was evaluated in Stage II/III colon cancer (CC) patients, but it remains unclear in Stage I/II, and in early-stage subgroups at risk. An international Society for Immunotherapy of Cancer (SITC) study evaluated the pre-defined consensus Immunoscore in tumors from 1885 AJCC/UICC-TNM Stage I/II CC patients from Canada/USA (Cohort 1) and Europe/Asia (Cohort 2). METHODS: Digital-pathology is used to quantify the densities of CD3+ and CD8+ T-lymphocyte in the center of tumor (CT) and the invasive margin (IM). The time to recurrence (TTR) was the primary endpoint. Secondary endpoints were disease-free survival (DFS), overall survival (OS), prognosis in Stage I, Stage II, Stage II-high-risk, and microsatellite-stable (MSS) patients. RESULTS: High-Immunoscore presented with the lowest risk of recurrence in both cohorts. In Stage I/II, recurrence-free rates at 5 years were 78.4% (95%-CI, 74.4−82.6), 88.1% (95%-CI, 85.7−90.4), 93.4% (95%-CI, 91.1−95.8) in low, intermediate and high Immunoscore, respectively (HR (Hi vs. Lo) = 0.27 (95%-CI, 0.18−0.41); p < 0.0001). In Cox multivariable analysis, the association of Immunoscore to outcome was independent (TTR: HR (Hi vs. Lo) = 0.29, (95%-CI, 0.17−0.50); p < 0.0001) of the patient’s gender, T-stage, sidedness, and microsatellite instability-status (MSI). A significant association of Immunoscore with survival was found for Stage II, high-risk Stage II, T4N0 and MSS patients. The Immunoscore also showed significant association with TTR in Stage-I (HR (Hi vs. Lo) = 0.07 (95%-CI, 0.01−0.61); P = 0.016). The Immunoscore had the strongest (69.5%) contribution χ2 for influencing survival. Patients with a high Immunoscore had prolonged TTR in T4N0 tumors even for patients not receiving chemotherapy, and the Immunoscore remained the only significant parameter in multivariable analysis. CONCLUSION: In early CC, low Immunoscore reliably identifies patients at risk of relapse for whom a more intensive surveillance program or adjuvant treatment should be considered.
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Affiliation(s)
- Bernhard Mlecnik
- INSERM, Laboratory of Integrative Cancer Immunology, 75006 Paris, France
- Equipe Labellisée Ligue Contre le Cancer, 75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 75006 Paris, France
- Inovarion, 75005 Paris, France
| | - Alessandro Lugli
- Institute of Pathology, University of Bern, 3008 Bern, Switzerland
| | - Gabriela Bindea
- INSERM, Laboratory of Integrative Cancer Immunology, 75006 Paris, France
- Equipe Labellisée Ligue Contre le Cancer, 75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 75006 Paris, France
| | - Florence Marliot
- INSERM, Laboratory of Integrative Cancer Immunology, 75006 Paris, France
- Equipe Labellisée Ligue Contre le Cancer, 75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 75006 Paris, France
- Immunomonitoring Platform, Laboratory of Immunology, AP-HP, Assistance Publique-Hopitaux de Paris, Georges Pompidou European Hospital, 75015 Paris, France
| | - Carlo Bifulco
- Department of Pathology, Providence Portland Medical Center, Portland, OR 97213, USA
| | - Jiun-Kae Jack Lee
- Department of Biostatistics, M.D. Anderson Cancer Center, University of Texas, Houston, TX 77030, USA
| | - Inti Zlobec
- Institute of Pathology, University of Bern, 3008 Bern, Switzerland
| | - Tilman T. Rau
- Institute of Pathology, University of Bern, 3008 Bern, Switzerland
| | - Martin D. Berger
- Department of Medical Oncology, University Hospital of Bern, 3010 Bern, Switzerland
| | - Iris D. Nagtegaal
- Pathology Department, Radboud University, 6500 HC Nijmegen, The Netherlands
| | - Elisa Vink-Börger
- Pathology Department, Radboud University, 6500 HC Nijmegen, The Netherlands
| | - Arndt Hartmann
- Department of Pathology, University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Carol I. Geppert
- Department of Pathology, University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Julie Kolwelter
- Department of Pathology, University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Susanne Merkel
- Department of Surgery, University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Robert Grützmann
- Department of Surgery, University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Marc Van den Eynde
- Institut Roi Albert II, Department of Medical Oncology, Cliniques Universitaires St-Luc, 1200 Brussels, Belgium
- Institut de Recherche Clinique et Experimentale (Pole MIRO), Université Catholique de Louvain, 1200 Brussels, Belgium
| | - Anne Jouret-Mourin
- Department of Pathology, Cliniques Universitaires St-Luc, 1200 Brussels, Belgium
- Institut de Recherche Clinique et Experimentale (Pole GAEN), Université Catholique de Louvain, 1200 Brussels, Belgium
| | - Alex Kartheuser
- Institut Roi Albert II, Department of Digestive Surgery, Cliniques Universitaires St-Luc Université Catholique de Louvain, 1200 Brussels, Belgium
| | - Daniel Léonard
- Institut Roi Albert II, Department of Digestive Surgery, Cliniques Universitaires St-Luc Université Catholique de Louvain, 1200 Brussels, Belgium
| | - Christophe Remue
- Institut Roi Albert II, Department of Digestive Surgery, Cliniques Universitaires St-Luc Université Catholique de Louvain, 1200 Brussels, Belgium
| | - Julia Wang
- Curandis, New York, NY 10583, USA
- Department of Pathology, Laboratory Medicine Program, University Health Network, 11-E444, Toronto, ON M5G 2C4, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Prashant Bavi
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Michael H. A. Roehrl
- Department of Pathology, Laboratory Medicine Program, University Health Network, 11-E444, Toronto, ON M5G 2C4, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | | | - Linh T. Nguyen
- Princess Margaret Cancer Centre, Toronto, ON M5G 2C1, Canada
| | - SeongJun Han
- Princess Margaret Cancer Centre, Toronto, ON M5G 2C1, Canada
| | | | - Sara Hafezi-Bakhtiari
- Department of Pathology, Laboratory Medicine Program, University Health Network, 11-E444, Toronto, ON M5G 2C4, Canada
| | | | - Giuseppe V. Masucci
- Department of Oncology-Pathology, Karolinska Institutet, Karolinska University, 17177 Stockholm, Sweden
| | - Emilia K. Andersson
- Department of Oncology-Pathology, Karolinska Institutet, Karolinska University, 17177 Stockholm, Sweden
| | - Eva Zavadova
- Department of Oncology, First Faculty of Medicine, General University Hospital in Prague, Charles University, 12808 Prague, Czech Republic
| | - Michal Vocka
- Department of Oncology, First Faculty of Medicine, General University Hospital in Prague, Charles University, 12808 Prague, Czech Republic
| | - Jan Spacek
- Department of Oncology, First Faculty of Medicine, General University Hospital in Prague, Charles University, 12808 Prague, Czech Republic
| | - Lubos Petruzelka
- Department of Oncology, First Faculty of Medicine, General University Hospital in Prague, Charles University, 12808 Prague, Czech Republic
| | - Bohuslav Konopasek
- Department of Oncology, First Faculty of Medicine, General University Hospital in Prague, Charles University, 12808 Prague, Czech Republic
| | - Pavel Dundr
- Institute of Pathology, First Faculty of Medicine, General University Hospital in Prague, Charles University, 12808 Prague, Czech Republic
| | - Helena Skalova
- Institute of Pathology, First Faculty of Medicine, General University Hospital in Prague, Charles University, 12808 Prague, Czech Republic
| | - Kristyna Nemejcova
- Institute of Pathology, First Faculty of Medicine, General University Hospital in Prague, Charles University, 12808 Prague, Czech Republic
| | - Gerardo Botti
- Department of Pathology, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, 80131 Napoli, Italy
| | - Fabiana Tatangelo
- Department of Pathology, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, 80131 Napoli, Italy
| | - Paolo Delrio
- Colorectal Surgery Department, Instituto Nazionale Tumori IRCCS Fondazione G. Pascale, 80131 Napoli, Italy
| | | | - Michele Maio
- Center for Immuno-Oncology, University Hospital, 53100 Siena, Italy
| | - Luigi Laghi
- Laboratory of Molecular Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano, 20090 Milan, Italy
- Department of Medicine and Surgery, University of Parma, 43125 Parma, Italy
| | - Fabio Grizzi
- Department of Immunology and Inflammation, IRCCS Humanitas Research Hospital, Rozzano, 20090 Milan, Italy
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, 20072 Milan, Italy
| | - Tessa Fredriksen
- INSERM, Laboratory of Integrative Cancer Immunology, 75006 Paris, France
- Equipe Labellisée Ligue Contre le Cancer, 75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 75006 Paris, France
| | - Bénédicte Buttard
- INSERM, Laboratory of Integrative Cancer Immunology, 75006 Paris, France
- Equipe Labellisée Ligue Contre le Cancer, 75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 75006 Paris, France
| | - Lucie Lafontaine
- INSERM, Laboratory of Integrative Cancer Immunology, 75006 Paris, France
- Equipe Labellisée Ligue Contre le Cancer, 75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 75006 Paris, France
| | - Pauline Maby
- INSERM, Laboratory of Integrative Cancer Immunology, 75006 Paris, France
- Equipe Labellisée Ligue Contre le Cancer, 75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 75006 Paris, France
| | - Amine Majdi
- INSERM, Laboratory of Integrative Cancer Immunology, 75006 Paris, France
- Equipe Labellisée Ligue Contre le Cancer, 75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 75006 Paris, France
| | - Assia Hijazi
- INSERM, Laboratory of Integrative Cancer Immunology, 75006 Paris, France
- Equipe Labellisée Ligue Contre le Cancer, 75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 75006 Paris, France
| | - Carine El Sissy
- INSERM, Laboratory of Integrative Cancer Immunology, 75006 Paris, France
- Equipe Labellisée Ligue Contre le Cancer, 75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 75006 Paris, France
- Immunomonitoring Platform, Laboratory of Immunology, AP-HP, Assistance Publique-Hopitaux de Paris, Georges Pompidou European Hospital, 75015 Paris, France
| | - Amos Kirilovsky
- INSERM, Laboratory of Integrative Cancer Immunology, 75006 Paris, France
- Equipe Labellisée Ligue Contre le Cancer, 75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 75006 Paris, France
- Immunomonitoring Platform, Laboratory of Immunology, AP-HP, Assistance Publique-Hopitaux de Paris, Georges Pompidou European Hospital, 75015 Paris, France
| | - Anne Berger
- INSERM, Laboratory of Integrative Cancer Immunology, 75006 Paris, France
- Equipe Labellisée Ligue Contre le Cancer, 75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 75006 Paris, France
- Digestive Surgery Department, AP-HP, Assistance Publique-Hopitaux de Paris, Georges Pompidou European Hospital, 75015 Paris, France
| | - Christine Lagorce
- INSERM, Laboratory of Integrative Cancer Immunology, 75006 Paris, France
- Equipe Labellisée Ligue Contre le Cancer, 75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 75006 Paris, France
- Department of Pathology, AP-HP, Assistance Publique-Hopitaux de Paris, Georges Pompidou European Hospital, 75015 Paris, France
| | - Christopher Paustian
- Department of Molecular Microbiology and Immunology, Oregon Health and Science University, Portland, OR 97239, USA
| | - Carmen Ballesteros-Merino
- Department of Molecular Microbiology and Immunology, Oregon Health and Science University, Portland, OR 97239, USA
| | - Jeroen Dijkstra
- Pathology Department, Radboud University, 6500 HC Nijmegen, The Netherlands
| | | | | | - Nikki Knijn
- Pathology Department, Radboud University, 6500 HC Nijmegen, The Netherlands
| | - Ana-Maria Mușină
- Department of Surgical Oncology, Regional Institute of Oncology, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iaşi, Romania
| | - Dragos-Viorel Scripcariu
- Department of Surgical Oncology, Regional Institute of Oncology, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iaşi, Romania
| | - Boryana Popivanova
- Division of Cellular Signaling, Institute for Advanced Medical Research, School of Medicine, Keio University, Tokyo 160-8582, Japan
| | - Mingli Xu
- Division of Cellular Signaling, Institute for Advanced Medical Research, School of Medicine, Keio University, Tokyo 160-8582, Japan
| | - Tomonobu Fujita
- Division of Cellular Signaling, Institute for Advanced Medical Research, School of Medicine, Keio University, Tokyo 160-8582, Japan
| | - Shoichi Hazama
- Department of Translational Research and Developmental Therapeutics against Cancer, Yamaguchi University School of Medicine, Yamaguchi 755-8505, Japan
| | - Nobuaki Suzuki
- Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Yamaguchi 753-8511, Japan
| | - Hiroaki Nagano
- Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Yamaguchi 753-8511, Japan
| | - Kiyotaka Okuno
- Department of Surgery, School of Medicine, Kindai University, Osaka-sayama 589-0014, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University, Sapporo 060-8556, Japan
| | - Noriyuki Sato
- Department of Pathology, Sapporo Medical University, Sapporo 060-8556, Japan
| | - Tomohisa Furuhata
- Department of Surgery, Surgical Oncology, and Science, Sapporo Medical University, Sapporo 060-8556, Japan
| | - Ichiro Takemasa
- Department of Surgery, Surgical Oncology, and Science, Sapporo Medical University, Sapporo 060-8556, Japan
| | - Prabhu Patel
- The Gujarat Cancer & Research Institute, Asarwa, Ahmedabad 380016, India
| | - Hemangini H. Vora
- The Gujarat Cancer & Research Institute, Asarwa, Ahmedabad 380016, India
| | - Birva Shah
- The Gujarat Cancer & Research Institute, Asarwa, Ahmedabad 380016, India
| | | | - Kruti N. Rajvik
- The Gujarat Cancer & Research Institute, Asarwa, Ahmedabad 380016, India
| | - Shashank J. Pandya
- The Gujarat Cancer & Research Institute, Asarwa, Ahmedabad 380016, India
| | - Shilin N. Shukla
- The Gujarat Cancer & Research Institute, Asarwa, Ahmedabad 380016, India
| | - Yili Wang
- Institute for Cancer Research, School of Basic Medical Science, Xi’an 710061, China
- Health Science Center of Xi’an Jiaotong University, Xi’an 710061, China
| | - Guanjun Zhang
- Institute for Cancer Research, School of Basic Medical Science, Xi’an 710061, China
| | - Yutaka Kawakami
- Division of Cellular Signaling, Institute for Advanced Medical Research, School of Medicine, Keio University, Tokyo 160-8582, Japan
| | | | - Paolo A. Ascierto
- Melanoma Cancer Immunotherapy and Innovative Therapies Unit, Istituto Nazionale Tumori IRCCS Fondazione “G. Pascale”, 80131 Napoli, Italy
| | - Bernard A. Fox
- Department of Molecular Microbiology and Immunology, Oregon Health and Science University, Portland, OR 97239, USA
- Laboratory of Molecular and Tumor Immunology, Earle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, Portland, OR 97213, USA
| | - Franck Pagès
- INSERM, Laboratory of Integrative Cancer Immunology, 75006 Paris, France
- Equipe Labellisée Ligue Contre le Cancer, 75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 75006 Paris, France
- Immunomonitoring Platform, Laboratory of Immunology, AP-HP, Assistance Publique-Hopitaux de Paris, Georges Pompidou European Hospital, 75015 Paris, France
| | - Jérôme Galon
- INSERM, Laboratory of Integrative Cancer Immunology, 75006 Paris, France
- Equipe Labellisée Ligue Contre le Cancer, 75006 Paris, France
- Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 75006 Paris, France
- Correspondence: ; Tel.: +33-1-4427-9085
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5
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Chen H, Li Z, Qiu L, Dong X, Chen G, Shi Y, Cai L, Liu W, Ye H, Zhou Y, Ouyang J, Cai Z, Liu X. Personalized neoantigen vaccine combined with PD-1 blockade increases CD8 + tissue-resident memory T-cell infiltration in preclinical hepatocellular carcinoma models. J Immunother Cancer 2022; 10:jitc-2021-004389. [PMID: 36113894 PMCID: PMC9486396 DOI: 10.1136/jitc-2021-004389] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/30/2022] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND Personalized neoantigen vaccine could induce a robust antitumor immune response in multiple cancers, whose efficacy could be further enhanced by combining with programmed cell death 1 blockade (α-PD-1). However, the corresponding immune response and synergistic mechanisms remain largely unclear. Here, we aimed to develop clinically available combinational therapeutic strategy and further explore its potential antitumor mechanisms in hepatocellular carcinoma (HCC). METHODS Neoantigen peptide vaccine (NeoVAC) for murine HCC cell line Hepa1-6 was developed and optimized by neoantigen screening and adjuvant optimization. Then the synergistic efficacy and related molecular mechanisms of NeoVAC combined with α-PD-1 in HCC were evaluated by orthotopic HCC mouse model, single-cell RNA sequencing, tetramer flow cytometry, immunofluorescence, etc. The tumor-killing capacity of CD8+ tissue-resident memory T cells (CD8+ TRMs) was assessed by orthotopic HCC mouse model, and autologous patient-derived cells. RESULTS NeoVAC, which consisted of seven high immunogenic neoantigen peptides and clinical-grade Poly(I:C), could generate a strong antitumor immune response in HCC mouse models. Significantly, its efficacy could be further improved by combining with α-PD-1, with 80% of durable tumor regression and long-term immune memory in orthotopic HCC models. Moreover, in-depth analysis of the tumor immune microenvironment showed that the percentage of CD8+ TRMs was remarkedly increased in NeoVAC plus α-PD-1 treatment group, and positively associated with the antitumor efficacy. In vitro and in vivo T-cell cytotoxicity assay further confirmed the strong tumor-killing capacity of CD8+ TRMs sorting from orthotopic mouse HCC or patient's HCC tissue. CONCLUSIONS This study showed that NeoVAC plus α-PD-1 could induce a strong antitumor response and long-term tumor-specific immune memory in HCC by increasing CD8+ TRMs infiltration, which might serve as a potential immune-therapeutic target for HCC.
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Affiliation(s)
- Hengkai Chen
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China.,The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, China.,Department of Colorectal Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Zhenli Li
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China.,The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, China
| | - Liman Qiu
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China.,The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, China
| | - Xiuqing Dong
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China.,The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, China
| | - Geng Chen
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China.,The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, China
| | - Yingjun Shi
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China.,The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, China
| | - Linsheng Cai
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China.,The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, China
| | - Wenhan Liu
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China.,The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, China
| | - Honghao Ye
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China.,The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, China
| | - Yang Zhou
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China.,The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, China
| | - Jiahe Ouyang
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China.,The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, China
| | - Zhixiong Cai
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China .,The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, China
| | - Xiaolong Liu
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China .,The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, China
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6
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Kole C, Charalampakis N, Tsakatikas S, Frountzas M, Apostolou K, Schizas D. Immunotherapy in Combination with Well-Established Treatment Strategies in Pancreatic Cancer: Current Insights. Cancer Manag Res 2022; 14:1043-1061. [PMID: 35300059 PMCID: PMC8921671 DOI: 10.2147/cmar.s267260] [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: 11/24/2021] [Accepted: 02/11/2022] [Indexed: 12/13/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is the most common type of pancreatic cancer and fourth most common cause of death in developed countries. Despite improved survival rates after resection combined with adjuvant chemotherapy or neoadjuvant chemotherapy, recurrence still occurs in a high percentage of patients within the first 2 years after resection. Immunotherapy aims to improve antitumor immune responses and reduce toxicity providing a more specific, targeted therapy compared to chemotherapy and has been proved an efficient therapeutic tool for many solid tumors. In this work, we present the latest advances in PDAC treatment using a combination of immunotherapy with other interventions such as chemotherapy and/or radiation both at neoadjuvant and adjuvant setting. Moreover, we outline the role of the tumor microenvironment as a key barrier to immunotherapy efficacy and examine how immunotherapy biomarkers may be used to detect immunotherapy’s response.
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Affiliation(s)
- Christo Kole
- First Department of Surgery, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, 115 27, Greece
| | | | - Sergios Tsakatikas
- Department of Medical Oncology, Metaxa Cancer Hospital, Athens, 185 37, Greece
| | - Maximos Frountzas
- First Department of Propaedeutic Surgery, National and Kapodistrian University of Athens, Hippocration General Hospital, Athens, 115 27, Greece
| | - Konstantinos Apostolou
- First Department of Surgery, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, 115 27, Greece
| | - Dimitrios Schizas
- First Department of Surgery, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, 115 27, Greece
- Correspondence: Dimitrios Schizas, First Department of Surgery, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, 115 27, Greece, Tel +306944505917, Fax +302132061766, Email
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7
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Kole C, Charalampakis N, Tsakatikas S, Kouris NI, Papaxoinis G, Karamouzis MV, Koumarianou A, Schizas D. Immunotherapy for gastric cancer: a 2021 update. Immunotherapy 2021; 14:41-64. [PMID: 34784774 DOI: 10.2217/imt-2021-0103] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Gastric cancer, the fifth most frequent cancer and the fourth leading cause of cancer deaths, accounts for a devastating death rate worldwide. Since the majority of patients with gastric cancer are diagnosed at advanced stages, they are not suitable for surgery and present with locally advanced or metastatic disease. Recent advances in immunotherapy have elicited a considerable amount of attention as viable therapeutic options for several cancer types. This work presents a summary of the currently ongoing clinical trials and critically addresses the efficacy of a large spectrum of immunotherapy approaches in the general population for gastric cancer as well as in relation to tumor genetic profiling.
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Affiliation(s)
- Christo Kole
- First Department of Surgery, National & Kapodistrian University of Athens, Laikon General Hospital, Athens, 115 27, Greece
| | | | - Sergios Tsakatikas
- Department of Medical Oncology, Metaxa Cancer Hospital, Athens, 185 37, Greece
| | - Nikolaos-Iasonas Kouris
- First Department of Surgery, National & Kapodistrian University of Athens, Laikon General Hospital, Athens, 115 27, Greece
| | - George Papaxoinis
- Second Department of Medical Oncology, Agios Savas Anticancer Hospital, Athens, 115 22, Greece
| | - Michalis V Karamouzis
- Molecular Oncology Unit, Department of Biological Chemistry, National & Kapodistrian University of Athens, Athens, 115 27, Greece
| | - Anna Koumarianou
- Hematology Oncology Unit, Fourth Department of Internal Medicine, National & Kapodistrian University of Athens, Attikon University Hospital, Athens, 124 62, Greece
| | - Dimitrios Schizas
- First Department of Surgery, National & Kapodistrian University of Athens, Laikon General Hospital, Athens, 115 27, Greece
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8
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Phung CD, Tran TH, Nguyen HT, Nguyen TT, Jeong JH, Ku SK, Yong CS, Choi HG, Kim JO. Nanovaccines silencing IL-10 production at priming phase for boosting immune responses to melanoma. J Control Release 2021; 338:211-223. [PMID: 34419495 DOI: 10.1016/j.jconrel.2021.08.031] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 08/14/2021] [Accepted: 08/18/2021] [Indexed: 01/15/2023]
Abstract
Despite the significant efforts in developing cancer vaccines, there are still numerous challenges that need to be addressed to ensure their clinical efficacy. Herein, a lymphatic dendritic cell (DC)-targeted artificial nanovaccine mimicking tumor cell membrane (ATM-NV) is developed to boost effector immune response and control immunosuppression simultaneously. The NVs are formulated with lipids, tumor cell membrane proteins, imiquimod (IMQ), and IL-10 siRNA. IL-10 siRNA is incorporated to inhibit the secretion of IL-10, an immunosuppressive cytokine, of maturated DCs upon IMQ. To enhance the DC targeting ability, the nanovaccine surface was non-covalently conjugated with the anti-CD205 antibody. The IMQ and IL-10 siRNA co-loaded, CD205 receptor-targeted artificial tumor membrane NVs (IMQ/siR@ATM-NVs) efficiently migrate to the tumor-draining lymph node and target DCs. Furthermore, immunization with IMQ/siR@ATM-NVs reduces the production of IL-10 and increases Th1-driven antitumor immunity resulted in a great tumor inhibition efficacy. Our results suggest a potential strategy to promote the vaccination's antitumor efficacy by blocking the intrinsic negative regulators in DCs.
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Affiliation(s)
- Cao Dai Phung
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Tuan Hiep Tran
- Faculty of Pharmacy, PHENIKAA University, Yen Nghia, Ha Dong, Hanoi 12116, Viet Nam; PHENIKAA Research and Technology Institute (PRATI), A&A Green Phoenix Group JSC, No.167 Hoang Ngan, Trung Hoa, Cau Giay, Hanoi 11313, Viet Nam
| | - Hanh Thuy Nguyen
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Tien Tiep Nguyen
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Jee-Heon Jeong
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Sae Kwang Ku
- College of Korean Medicine, Daegu Haany University, Gyeongsan 38610, Republic of Korea
| | - Chul Soon Yong
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Han-Gon Choi
- College of Pharmacy, Hanyang University, 55, Hanyangdaehak-ro, Sangnok-gu, Ansan 15588, Gyeonggi-do, Republic of Korea.
| | - Jong Oh Kim
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea.
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9
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Maby P, Bindea G, Mlecnik B, Galon J. License to kill: microsatellite instability and immune contexture. Oncoimmunology 2021; 10:1905935. [PMID: 33868790 PMCID: PMC8023238 DOI: 10.1080/2162402x.2021.1905935] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Colorectal cancers (CRCs) with microsatellite instability (MSI) are due to a defect in the DNA mismatch repair (MMR) system resulting in an accumulation of frame-shift mutations. They are characterized by a tumor microenvironment richer in cytotoxic CD8 T-cells (CTLs) and a better prognosis compared to microsatellite stable (MSS) CRCs. The mechanisms by which defective MMR system may influence tumor-infiltrating immune cells and their impact on patient survival were still unclear. Thus, we performed a comprehensive analysis of MSI colorectal tumors. We found that the numbers of frame-shift mutations potentially resulting in neo-epitopes were positively correlated to the density of tumor infiltrating CD8 T-cells but were lower than expected at random. We also evidenced that MSI patients could naturally harbor CTLs targeting frame-shift mutation-derived antigens. This favors the hypothesis of an active immunosurveillance in MSI colorectal tumors leading to the genetic evidence of an immunoediting. To evaluate the link between MSI tumor immune contexture and prognosis, we took advantage of a standardized assay that we developed to quantify tumor-infiltrating T-cells, the Immunoscore. Multivariate analyses revealed an advantage of Immunoscore over MSI in predicting recurrence and survival. Our data suggests that the prognostic value of MSI could be attributed to major underlying differences of infiltrating immune cells. Immunotherapeutic treatments, that are more efficient in patients with a preexisting anti-tumor immunity, were approved in MSI patients following successful clinical trials. We suggest that the Immunoscore could be used not only for colorectal tumor prognosis but also for predicting responses to immunotherapies.
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Affiliation(s)
- Pauline Maby
- Laboratory of Integrative Cancer Immunology, INSERM, Paris, France.,Equipe Labellisée Ligue Contre Le Cancer, Paris, France.,Centre De Recherche Des Cordeliers, Sorbonne Université, Université De Paris, Paris, France
| | - Gabriela Bindea
- Laboratory of Integrative Cancer Immunology, INSERM, Paris, France.,Equipe Labellisée Ligue Contre Le Cancer, Paris, France.,Centre De Recherche Des Cordeliers, Sorbonne Université, Université De Paris, Paris, France
| | - Bernhard Mlecnik
- Laboratory of Integrative Cancer Immunology, INSERM, Paris, France.,Equipe Labellisée Ligue Contre Le Cancer, Paris, France.,Centre De Recherche Des Cordeliers, Sorbonne Université, Université De Paris, Paris, France.,Inovarion, Paris, France
| | - Jérôme Galon
- Laboratory of Integrative Cancer Immunology, INSERM, Paris, France.,Equipe Labellisée Ligue Contre Le Cancer, Paris, France.,Centre De Recherche Des Cordeliers, Sorbonne Université, Université De Paris, Paris, France
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10
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Bruni D, Angell HK, Galon J. The immune contexture and Immunoscore in cancer prognosis and therapeutic efficacy. Nat Rev Cancer 2020; 20:662-680. [PMID: 32753728 DOI: 10.1038/s41568-020-0285-7] [Citation(s) in RCA: 806] [Impact Index Per Article: 201.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/22/2020] [Indexed: 12/15/2022]
Abstract
The international American Joint Committee on Cancer/Union for International Cancer Control (AJCC/UICC) tumour-node-metastasis (TNM) staging system provides the current guidelines for the classification of cancer. However, among patients within the same stage, the clinical outcome can be very different. More recently, a novel definition of cancer has emerged, implicating at all stages a complex and dynamic interaction between tumour cells and the immune system. This has enabled the definition of the immune contexture, representing the pre-existing immune parameters associated with patient survival. Even so, the role of distinct immune cell types in modulating cancer progression is increasingly emerging. An immune-based assay named the 'Immunoscore' was defined to quantify the in situ T cell infiltrate and was demonstrated to be superior to the AJCC/UICC TNM classification for patients with colorectal cancer. This Review provides a broad overview of the main immune parameters positively or negatively shaping cancer development, including the Immunoscore, and their prognostic and predictive value. The importance of the immune system in cancer control is demonstrated by the requirement for a pre-existing intratumour adaptive immune response for effective immunotherapies, such as checkpoint inhibitors. Finally, we discuss how the combination of multiple immune parameters, rather than individual ones, might increase prognostic and/or predictive power.
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Affiliation(s)
- Daniela Bruni
- INSERM, Laboratory of Integrative Cancer Immunology; Équipe Labellisée Ligue Contre le Cancer; Sorbonne Université; Sorbonne Paris Cité; Université de Paris; Centre de Recherche des Cordeliers, Paris, France
| | - Helen K Angell
- Translational Medicine, Oncology R&D, AstraZeneca, Cambridge, UK
| | - Jérôme Galon
- INSERM, Laboratory of Integrative Cancer Immunology; Équipe Labellisée Ligue Contre le Cancer; Sorbonne Université; Sorbonne Paris Cité; Université de Paris; Centre de Recherche des Cordeliers, Paris, France.
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11
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Immunotherapy for Hepatocellular Carcinoma: A 2021 Update. Cancers (Basel) 2020; 12:cancers12102859. [PMID: 33020428 PMCID: PMC7600093 DOI: 10.3390/cancers12102859] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 09/26/2020] [Accepted: 09/30/2020] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is one of one of the most frequent liver cancers and the fourth leading cause of cancer-related mortality worldwide. Current treatment options such as surgery, neoadjuvant chemoradiotherapy, liver transplantation, and radiofrequency ablation will benefit only a very small percentage of patients. Immunotherapy is a novel treatment approach representing an effective and promising option against several types of cancer. The aim of our study is to present the currently ongoing clinical trials and to evaluate the efficacy of immunotherapy in HCC. In this paper, we demonstrate that combination of different immunotherapies or immunotherapy with other modalities results in better overall survival (OS) and progression-free survival (PFS) compared to single immunotherapy agent. Another objective of this paper is to demonstrate and highlight the importance of tumor microenvironment as a predictive and prognostic marker and its clinical implications in immunotherapy response.
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12
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Schizas D, Charalampakis N, Kole C, Economopoulou P, Koustas E, Gkotsis E, Ziogas D, Psyrri A, Karamouzis MV. Immunotherapy for pancreatic cancer: A 2020 update. Cancer Treat Rev 2020; 86:102016. [PMID: 32247999 DOI: 10.1016/j.ctrv.2020.102016] [Citation(s) in RCA: 245] [Impact Index Per Article: 61.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 03/19/2020] [Accepted: 03/20/2020] [Indexed: 02/08/2023]
Abstract
Pancreatic adenocarcinoma (PAC) is associated with extremely poor prognosis and remains a lethal malignancy. The main cure for PAC is surgical resection. Further treatment modalities, such as surgery, chemotherapy, radiotherapy and other locoregional therapies provide low survival rates. Currently, many clinical trials seek to assess the efficacy of immunotherapeutic strategies in PAC, including immune checkpoint inhibitors, cancer vaccines, adoptive cell transfer, combinations with other immunotherapeutic agents, chemoradiotherapy or other molecularly targeted agents; however, none of these studies have shown practice changing results. There seems to be a synergistic effect with increased response rates when a combinatorial approach of immunotherapy in conjunction with other modalities is being exploited. In this review, we illustrate the current role of immunotherapy in PAC.
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Affiliation(s)
- Dimitrios Schizas
- First Department of Surgery, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
| | | | - Christo Kole
- First Department of Surgery, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
| | - Panagiota Economopoulou
- Department of Internal Medicine, Section of Medical Oncology, National and Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece
| | - Evangelos Koustas
- Molecular Oncology Unit, Department of Biological Chemistry, National and Kapodistrian University of Athens, Athens, Greece
| | - Efthymios Gkotsis
- First Department of Surgery, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
| | - Dimitrios Ziogas
- First Department of Medicine, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
| | - Amanda Psyrri
- Department of Internal Medicine, Section of Medical Oncology, National and Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece
| | - Michalis V Karamouzis
- Molecular Oncology Unit, Department of Biological Chemistry, National and Kapodistrian University of Athens, Athens, Greece
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13
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Shetab Boushehri MA, Abdel-Mottaleb MMA, Béduneau A, Pellequer Y, Lamprecht A. A nanoparticle-based approach to improve the outcome of cancer active immunotherapy with lipopolysaccharides. Drug Deliv 2018; 25:1414-1425. [PMID: 29902933 PMCID: PMC6058527 DOI: 10.1080/10717544.2018.1469684] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
This study sought to develop a simple nanoparticle-based approach to enhance the efficiency and tolerability of lipopolysaccharide (LPS), a potent ligand of Toll-like Receptor 4 (TLR4), for immunotherapy in cancer. Despite holding promise within this context, the strong pro-inflammatory properties of LPS also account for its low tolerability given localized and systemic side effects, which restrict the administrable dosage. Herein, we investigated the effect of LPS decoration as a surface-active molecule on a polymeric matrix upon its efficiency and tolerability. The LPS-decorated nanoparticles (LPS-NP) were about 150 nm in size, with slightly negative zeta potential (about -15 mV) and acceptable LPS incorporation (about 70%). In vitro, the particles accounted for a higher induction of apoptosis in tumor cells cultured with murine splenocytes compared to LPS solution. When used for the treatment of a murine syngeneic colorectal tumor model, higher intratumoral deposition of the particle-bound LPS was observed. Furthermore, unlike LPS solution, which accounted for localized necrosis at high concentrations, treatment of tumor-bearing animals with equivalent doses of LPS-NP was well tolerated. We propose that the observed localized necrosis can be Shwartzman phenomenon, which, due to modulated 24-h post-injection systemic TNF-α and LPS concentrations, have been avoided in case of LPS-NP. This has in turn enhanced the therapeutic efficiency and enabled complete tumor regression at concentrations at which LPS solution was intolerable. The findings indicate that nanoparticles can serve as beyond carriers for the delivery of superficially decorated LPS molecules, but impact their overall efficiency and tolerability in cancer therapy.
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Affiliation(s)
| | - Mona M A Abdel-Mottaleb
- a Department of Pharmaceutics , University of Bonn , Bonn , Germany.,b Laboratory of Pharmaceutical Engineering (EA4267) , University of Franche-Comté , Besançon , France.,c Department of Pharmaceutics and Industrial Pharmacy , Faculty of Pharmacy, Ain Shams University , Cairo , Egypt
| | - Arnaud Béduneau
- b Laboratory of Pharmaceutical Engineering (EA4267) , University of Franche-Comté , Besançon , France
| | - Yann Pellequer
- b Laboratory of Pharmaceutical Engineering (EA4267) , University of Franche-Comté , Besançon , France
| | - Alf Lamprecht
- a Department of Pharmaceutics , University of Bonn , Bonn , Germany.,b Laboratory of Pharmaceutical Engineering (EA4267) , University of Franche-Comté , Besançon , France
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14
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Medler T, Patel JM, Alice A, Baird JR, Hu HM, Gough MJ. Activating the Nucleic Acid-Sensing Machinery for Anticancer Immunity. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2018; 344:173-214. [PMID: 30798988 PMCID: PMC6754183 DOI: 10.1016/bs.ircmb.2018.08.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Nucleic acid sensing pathways have likely evolved as part of a broad pathogen sensing strategy intended to discriminate infectious agents and initiate appropriate innate and adaptive controls. However, in the absence of infectious agents, nucleic acid sensing pathways have been shown to play positive and negative roles in regulating tumorigenesis, tumor progression and metastatic spread. Understanding the normal biology behind these pathways and how they are regulated in malignant cells and in the tumor immune environment can help us devise strategies to exploit nucleic acid sensing to manipulate anti-cancer immunity.
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Affiliation(s)
- Terry Medler
- Earle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, Portland, OR, United States
| | - Jaina M Patel
- Earle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, Portland, OR, United States
| | - Alejandro Alice
- Earle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, Portland, OR, United States
| | - Jason R Baird
- Earle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, Portland, OR, United States
| | - Hong-Ming Hu
- Earle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, Portland, OR, United States
| | - Michael J Gough
- Earle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, Portland, OR, United States.
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15
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Abstract
Iron-containing enzymes such as heme enzymes play crucial roles in biological systems. Three distinct heme-containing dioxygenase enzymes, tryptophan 2,3-dioxygenase (TDO), indoleamine 2,3-dioxygenase 1 (IDO1) and indoleamine 2,3-dioxygenase 2 (IDO2) catalyze the initial and rate-limiting step of l-tryptophan catabolism through the kynurenine pathway in mammals. Overexpression of these enzymes causes depletion of tryptophan and the accumulation of metabolic products, which contributes to tumor immune tolerance and immune dysregulation in a variety of disease pathologies. In the past few decades, IDO1 has garnered the most attention as a therapeutic target with great potential in cancer immunotherapy. Many potential inhibitors of IDO1 have been designed, synthesized and evaluated, among which indoximod (d-1-MT), INCB024360, GDC-0919 (formerly NLG-919), and an IDO1 peptide-based vaccine have advanced to the clinical trial stage. However, recently, the roles of TDO and IDO2 have been elucidated in immune suppression. In this review, the current drug discovery landscape for targeting TDO, IDO1 and IDO2 is highlighted, with particular attention to the recent use of drugs in clinical trials. Moreover, the crystal structures of these enzymes, in complex with inhibitors, and the mechanisms of Trp catabolism in the first step, are summarized to provide information for facilitating the discovery of new enzyme inhibitors.
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Affiliation(s)
- Daojing Yan
- Department of Chemistry & Institutes of Biomedical Sciences, Fudan University, Shanghai 200433, China.
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16
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Circelli L, Tornesello M, Buonaguro FM, Buonaguro L. Use of adjuvants for immunotherapy. Hum Vaccin Immunother 2017; 13:1774-1777. [PMID: 28604160 DOI: 10.1080/21645515.2017.1321725] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Cancer vaccines are designed to stimulate the body's immune system to kill tumor cells. To improve their immunogenicity, vaccine antigens must be combined with adjuvants which are able to stimulate the innate immunity and potentiate the adaptive immune response. In the last years a new generation of adjuvants mimicking the natural microbial ligands have been developed. In particular, several TLR ligands have been extensively explored as vaccine adjuvants and many preclinical and clinical studies have been conducted. However, the road to approval of such adjuvants for clinical use is still to go.
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Affiliation(s)
- Luisa Circelli
- a Laboratory of Molecular Biology and Viral Oncology, Istituto Nazionale per lo Studio e la Cura dei Tumori , "Fondazione Pascale" - IRCCS , Naples , Italy
| | - Marialina Tornesello
- a Laboratory of Molecular Biology and Viral Oncology, Istituto Nazionale per lo Studio e la Cura dei Tumori , "Fondazione Pascale" - IRCCS , Naples , Italy
| | - Franco M Buonaguro
- a Laboratory of Molecular Biology and Viral Oncology, Istituto Nazionale per lo Studio e la Cura dei Tumori , "Fondazione Pascale" - IRCCS , Naples , Italy
| | - Luigi Buonaguro
- a Laboratory of Molecular Biology and Viral Oncology, Istituto Nazionale per lo Studio e la Cura dei Tumori , "Fondazione Pascale" - IRCCS , Naples , Italy
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Capasso C, Magarkar A, Cervera-Carrascon V, Fusciello M, Feola S, Muller M, Garofalo M, Kuryk L, Tähtinen S, Pastore L, Bunker A, Cerullo V. A novel in silico framework to improve MHC-I epitopes and break the tolerance to melanoma. Oncoimmunology 2017; 6:e1319028. [PMID: 28932628 DOI: 10.1080/2162402x.2017.1319028] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 04/05/2017] [Accepted: 04/07/2017] [Indexed: 12/21/2022] Open
Abstract
Tolerance toward tumor antigens, which are shared by normal tissues, have often limited the efficacy of cancer vaccines. However, wild type epitopes can be tweaked to activate cross-reactive T-cell clones, resulting in antitumor activity. The design of these analogs (i.e., heteroclitic peptides) can be difficult and time-consuming since no automated in silico tools are available. Hereby we describe the development of an in silico framework to improve the selection of heteroclitic peptides. The Epitope Discovery and Improvement System (EDIS) was first validated by studying the model antigen SIINFEKL. Based on artificial neural network (ANN) predictions, we selected two mutant analogs that are characterized by an increased MHC-I binding affinity (SIINFAKL) or increased TCR stimulation (SIIWFEKL). Therapeutic vaccination using optimized peptides resulted in enhanced antitumor activity and against B16.OVA melanomas in vivo. The translational potential of the EDIS platform was further demonstrated by studying the melanoma-associated antigen tyrosinase related protein 2 (TRP2). Following therapeutic immunization with the EDIS-derived epitope SVYDFFAWL, a significant reduction in the growth of established B16.F10 tumors was observed, suggesting a break in the tolerance toward the wild type epitope. Finally, we tested a multi vaccine approach, demonstrating that combination of wild type and mutant epitopes targeting both TRP2 and OVA antigens increases the antitumor response. In conclusion, by taking advantage of available prediction servers and molecular dynamics simulations, we generated an innovative platform for studying the initial sequences and selecting lead candidates with improved immunological features. Taken together, EDIS is the first automated algorithm-driven platform to speed up the design of heteroclitic peptides that can be publicly queried online.
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Affiliation(s)
- Cristian Capasso
- Laboratory of Immunovirotherapy, Drug Research Program, University of Helsinki, Helsinki, Finland
| | - Aniket Magarkar
- Centre for Drug Research at the Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland.,Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Prague 6, Czech Republic
| | - Victor Cervera-Carrascon
- TILT Biotherapeutics, Helsinki, Finland.,Cancer Gene Therapy Group, Department of Oncology, Faculty of Medicine, University Helsinki, Helsinki, Finland
| | - Manlio Fusciello
- Laboratory of Immunovirotherapy, Drug Research Program, University of Helsinki, Helsinki, Finland
| | - Sara Feola
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples "Federico II", Naples, Italy
| | - Martin Muller
- Department of Pharmacy - Center for Drug Research, Pharmaceutical Biology, Ludwig-Maximilians University of Munich, Munich, Germany
| | - Mariangela Garofalo
- Centre for Drug Research at the Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | | | - Siri Tähtinen
- Laboratory of Immunovirotherapy, Drug Research Program, University of Helsinki, Helsinki, Finland
| | - Lucio Pastore
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples "Federico II", Naples, Italy.,CEINGE-Biotecnologie Avanzate S.C. a R.L., Naples, Italy
| | - Alex Bunker
- Laboratory of Immunovirotherapy, Drug Research Program, University of Helsinki, Helsinki, Finland
| | - Vincenzo Cerullo
- Laboratory of Immunovirotherapy, Drug Research Program, University of Helsinki, Helsinki, Finland
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18
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NY-ESO-1 Protein Cancer Vaccine With Poly-ICLC and OK-432: Rapid and Strong Induction of NY-ESO-1-specific Immune Responses by Poly-ICLC. J Immunother 2017; 40:140-147. [PMID: 28338507 DOI: 10.1097/cji.0000000000000162] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
We conducted a clinical trial of a cancer vaccine using NY-ESO-1 protein with polyinosinic-polycytidylic acid-poly-L-lysine carboxymethylcellulose (poly-ICLC) and/or OK-432 against solid tumors. A total of 15 patients were sequentially enrolled in 4 cohorts. Patients in cohort 1 received NY-ESO-1 protein; cohort 2a received NY-ESO-1 protein+OK-432; cohort 2b received NY-ESO-1 protein+poly-ICLC; cohort 3 received NY-ESO-1 protein+OK-432+poly-ICLC with Montanide ISA-51. The endpoints of this trial were safety, NY-ESO-1 immune responses, and clinical response. Vaccine-related adverse events observed were fever and injection-site reaction (grade 1). Two patients showed stable disease after vaccination. NY-ESO-1 antibodies were observed in 4 patients at the baseline (sero-positive) and augmented in all patients after vaccination. Eleven patients showed a conversion of negative antibody responses at baseline to positive after vaccination (seroconversion). The seroconversions were observed in all 11 sero-negative patients by the fourth immunization; in particular, it was observed by the second immunization in patients with poly-ICLC, and these induced antibody responses were stronger than those in patients immunized without poly-ICLC. The number of NY-ESO-1-specific interferon (IFN)γ-producing T cells was increased in patients immunized with poly-ICLC and/or OK-432, and furthermore, the increase of IFNγ-producing CD8 T cells in patients immunized with poly-ICLC was significantly higher than that in patients without poly-ICLC. Nonspecific activations of T-cell or antigen presenting cells were not observed. Our present study showed that poly-ICLC is a promising adjuvant for cancer vaccines.
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Temizoz B, Kuroda E, Ishii KJ. Vaccine adjuvants as potential cancer immunotherapeutics. Int Immunol 2016; 28:329-38. [PMID: 27006304 PMCID: PMC4922024 DOI: 10.1093/intimm/dxw015] [Citation(s) in RCA: 163] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Accepted: 03/14/2016] [Indexed: 12/11/2022] Open
Abstract
Accumulated evidence obtained from various clinical trials and animal studies suggested that cancer vaccines need better adjuvants than those that are currently licensed, which include the most commonly used alum and incomplete Freund's adjuvant, because of either a lack of potent anti-tumor immunity or the induction of undesired immunity. Several clinical trials using immunostimulatory adjuvants, particularly agonistic as well as non-agonistic ligands for TLRs, C-type lectin receptors, retinoic acid-inducible gene I-like receptors and stimulator of interferon genes, have revealed their therapeutic potential not only as vaccine adjuvants but also as anti-tumor agents. Recently, combinations of such immunostimulatory or immunomodulatory adjuvants have shown superior efficacy over their singular use, suggesting that seeking optimal combinations of the currently available or well-characterized adjuvants may provide a better chance for the development of novel adjuvants for cancer immunotherapy.
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Affiliation(s)
- Burcu Temizoz
- Laboratory of Vaccine Science, WPI Immunology Frontier Research Center (iFReC), Osaka University, 3-1 Yamada-oka, Suita, Osaka 565-0871, Japan Laboratory of Adjuvant Innovation, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), 7-6-8 Asagi, Saito, Ibaraki-City, Osaka 567-0085, Japan
| | - Etsushi Kuroda
- Laboratory of Vaccine Science, WPI Immunology Frontier Research Center (iFReC), Osaka University, 3-1 Yamada-oka, Suita, Osaka 565-0871, Japan Laboratory of Adjuvant Innovation, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), 7-6-8 Asagi, Saito, Ibaraki-City, Osaka 567-0085, Japan
| | - Ken J Ishii
- Laboratory of Vaccine Science, WPI Immunology Frontier Research Center (iFReC), Osaka University, 3-1 Yamada-oka, Suita, Osaka 565-0871, Japan Laboratory of Adjuvant Innovation, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), 7-6-8 Asagi, Saito, Ibaraki-City, Osaka 567-0085, Japan
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20
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Hanoteau A, Henin C, Moser M. L’immunothérapie au service de la chimiothérapie, de nouvelles avancées. Med Sci (Paris) 2016; 32:353-61. [DOI: 10.1051/medsci/20163204013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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21
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Hickman ES, Lomax ME, Jakobsen BK. Antigen Selection for Enhanced Affinity T-Cell Receptor-Based Cancer Therapies. ACTA ACUST UNITED AC 2016; 21:769-85. [PMID: 26993321 DOI: 10.1177/1087057116637837] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Accepted: 03/15/2016] [Indexed: 12/11/2022]
Abstract
Evidence of adaptive immune responses in the prevention of cancer has been accumulating for decades. Spontaneous T-cell responses occur in multiple indications, bringing the study of de novo expressed cancer antigens to the fore and highlighting their potential as targets for cancer immunotherapy. Circumventing the immune-suppressive mechanisms that maintain tumor tolerance and driving an antitumor cytotoxic T-cell response in cancer patients may eradicate the tumor or block disease progression. Multiple strategies are being pursued to harness the cytotoxic potential of T cells clinically. Highly promising results are now emerging. The focus of this review is the target discovery process for cancer immune therapeutics based on affinity-matured T-cell receptors (TCRs). Target cancer antigens in the context of adoptive cell transfer technologies and soluble biologic agents are discussed. To appreciate the impact of TCR-based technology and understand the TCR discovery process, it is necessary to understand key differences between TCR-based therapy and other immunotherapy approaches. The review first summarizes key advances in the cancer immunotherapy field and then discusses the opportunities that TCR technology provides. The nature and breadth of molecular targets that are tractable to this approach are discussed, together with the challenges associated with finding them.
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22
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Morita R, Hirohashi Y, Torigoe T, Ito-Inoda S, Takahashi A, Mariya T, Asanuma H, Tamura Y, Tsukahara T, Kanaseki T, Kubo T, Kutomi G, Mizuguchi T, Terui T, Ishitani K, Hashino S, Kondo T, Minagawa N, Takahashi N, Taketomi A, Todo S, Asaka M, Sato N. Olfactory Receptor Family 7 Subfamily C Member 1 Is a Novel Marker of Colon Cancer-Initiating Cells and Is a Potent Target of Immunotherapy. Clin Cancer Res 2016; 22:3298-309. [PMID: 26861454 DOI: 10.1158/1078-0432.ccr-15-1709] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 01/05/2016] [Indexed: 12/16/2022]
Abstract
PURPOSE Cancer-initiating cells (CICs) are thought to be essential for tumor maintenance, recurrence, and distant metastasis, and they are therefore reasonable targets for cancer therapy. Cancer immunotherapy is a novel approach to target cancer. In this study, we aimed to establish novel CIC-targeting immunotherapy. EXPERIMENTAL DESIGN Colorectal cancer (CRC) CICs were isolated as side population (SP) cells. The gene expression profile of CRC CICs was analyzed by cDNA microarray and RT-PCR. Protein expression of olfactory receptor family 7 subfamily C member 1 (OR7C1) were analyzed by Western blot and immunohistochemical staining. The functions of OR7C1 were analyzed by gene overexpression and gene knockdown using siRNAs. OR7C1-positive cells were isolated by a flow cytometer and analyzed. CTLs specific for OR7C1 peptide were generated, and the antitumor effect was addressed by mice adoptive transfer model. RESULTS OR7C1 has essential roles in the maintenance of colon CICs, and the OR7C1-positive population showed higher tumorigenicity than that of the OR7C1-negative population, indicating that OR7C1 is a novel functional marker for colon CIC. Immunohistochemical staining revealed that OR7C1 high expression was correlated with poorer prognosis in CRC patients. OR7C1-derived antigenic peptide-specific CTLs showed specific cytotoxicity for CICs, and an OR7C1-specific CTL clone showed a greater antitumor effect than did a CTL clone targeting all cancer cells in a CTL adoptive transfer mouse model. CONCLUSIONS OR7C1 is a novel marker for colon CICs and can be a target of potent CIC-targeting immunotherapy. Clin Cancer Res; 22(13); 3298-309. ©2016 AACR.
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Affiliation(s)
- Rena Morita
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan.
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan.
| | - Satoko Ito-Inoda
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Akari Takahashi
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Tasuku Mariya
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Hiroko Asanuma
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Yasuaki Tamura
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Tomohide Tsukahara
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Terufumi Kubo
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Goro Kutomi
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Toru Mizuguchi
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Takeshi Terui
- Higashi-Sapporo Hospital, Shiroishi-ku, Sapporo, Japan
| | | | - Satoshi Hashino
- Department of Gastroenterology and Hematology, Hokkaido University Graduate School of Medicine, Kita-Ku, Sapporo, Japan
| | - Toru Kondo
- Division of Stem Cell Biology, Institute for Genetic Medicine, Hokkaido University, Kita-Ku, Sapporo, Japan
| | - Nozomi Minagawa
- Department of Gastroenterological Surgery I, Hokkaido University Graduate School of Medicine, Kita-Ku, Sapporo, Japan
| | - Norihiko Takahashi
- Department of Gastroenterological Surgery I, Hokkaido University Graduate School of Medicine, Kita-Ku, Sapporo, Japan
| | - Akinobu Taketomi
- Department of Gastroenterological Surgery I, Hokkaido University Graduate School of Medicine, Kita-Ku, Sapporo, Japan
| | - Satoru Todo
- Department of Gastroenterological Surgery I, Hokkaido University Graduate School of Medicine, Kita-Ku, Sapporo, Japan
| | - Masahiro Asaka
- Department of Gastroenterology and Hematology, Hokkaido University Graduate School of Medicine, Kita-Ku, Sapporo, Japan
| | - Noriyuki Sato
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
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23
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24
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Hirohashi Y, Torigoe T, Tsukahara T, Kanaseki T, Kochin V, Sato N. Immune responses to human cancer stem-like cells/cancer-initiating cells. Cancer Sci 2015; 107:12-7. [PMID: 26440127 PMCID: PMC4724814 DOI: 10.1111/cas.12830] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Revised: 09/27/2015] [Accepted: 09/29/2015] [Indexed: 12/20/2022] Open
Abstract
Cancer stem‐like cells (CSC)/cancer‐initiating cells (CIC) are defined as minor subpopulations of cancer cells that are endowed with properties of higher tumor‐initiating ability, self‐renewal ability and differentiation ability. Accumulating results of recent studies have revealed that CSC/CIC are resistant to standard cancer therapies, including chemotherapy, radiotherapy and molecular targeting therapy, and eradiation of CSC/CIC is, thus, critical to cure cancer. Cancer immunotherapy is expected to become the “fourth” cancer therapy. Cytotoxic T lymphocytes (CTL) play an essential role in immune responses to cancers, and CTL can recognize CSC/CIC in an antigen‐specific manner. CSC/CIC express several tumor‐associated antigens (TAA), and cancer testis (CT) antigens are reasonable sources for CSC/CIC‐targeting immunotherapy. In this review article, we discuss CSC/CIC recognition by CTL, regulation of immune systems by CSC/CIC, TAA expression in CSC/CIC, and the advantages of CSC/CIC‐targeting immunotherapy.
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Affiliation(s)
- Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan
| | - Tomohide Tsukahara
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan
| | - Vitaly Kochin
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan
| | - Noriyuki Sato
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan
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Oates J, Hassan NJ, Jakobsen BK. ImmTACs for targeted cancer therapy: Why, what, how, and which. Mol Immunol 2015; 67:67-74. [DOI: 10.1016/j.molimm.2015.01.024] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Revised: 01/21/2015] [Accepted: 01/22/2015] [Indexed: 12/20/2022]
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26
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Fucikova J, Moserova I, Urbanova L, Bezu L, Kepp O, Cremer I, Salek C, Strnad P, Kroemer G, Galluzzi L, Spisek R. Prognostic and Predictive Value of DAMPs and DAMP-Associated Processes in Cancer. Front Immunol 2015; 6:402. [PMID: 26300886 PMCID: PMC4528281 DOI: 10.3389/fimmu.2015.00402] [Citation(s) in RCA: 110] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Accepted: 07/22/2015] [Indexed: 01/04/2023] Open
Abstract
It is now clear that human neoplasms form, progress, and respond to therapy in the context of an intimate crosstalk with the host immune system. In particular, accumulating evidence demonstrates that the efficacy of most, if not all, chemo- and radiotherapeutic agents commonly employed in the clinic critically depends on the (re)activation of tumor-targeting immune responses. One of the mechanisms whereby conventional chemotherapeutics, targeted anticancer agents, and radiotherapy can provoke a therapeutically relevant, adaptive immune response against malignant cells is commonly known as “immunogenic cell death.” Importantly, dying cancer cells are perceived as immunogenic only when they emit a set of immunostimulatory signals upon the activation of intracellular stress response pathways. The emission of these signals, which are generally referred to as “damage-associated molecular patterns” (DAMPs), may therefore predict whether patients will respond to chemotherapy or not, at least in some settings. Here, we review clinical data indicating that DAMPs and DAMP-associated stress responses might have prognostic or predictive value for cancer patients.
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Affiliation(s)
- Jitka Fucikova
- Sotio , Prague , Czech Republic ; Department of Immunology, 2nd Faculty of Medicine, University Hospital Motol, Charles University , Prague , Czech Republic
| | - Irena Moserova
- Sotio , Prague , Czech Republic ; Department of Immunology, 2nd Faculty of Medicine, University Hospital Motol, Charles University , Prague , Czech Republic
| | - Linda Urbanova
- Sotio , Prague , Czech Republic ; Department of Immunology, 2nd Faculty of Medicine, University Hospital Motol, Charles University , Prague , Czech Republic
| | - Lucillia Bezu
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers , Paris , France ; U1138, INSERM , Paris , France ; Sorbonne Paris Cité, Université Paris Descartes , Paris , France ; Université Pierre et Marie Curie , Paris , France ; Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute , Villejuif , France
| | - Oliver Kepp
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers , Paris , France ; U1138, INSERM , Paris , France ; Sorbonne Paris Cité, Université Paris Descartes , Paris , France ; Université Pierre et Marie Curie , Paris , France ; Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute , Villejuif , France
| | - Isabelle Cremer
- Sorbonne Paris Cité, Université Paris Descartes , Paris , France ; Université Pierre et Marie Curie , Paris , France ; Equipe 13, Centre de Recherche des Cordeliers , Paris , France
| | - Cyril Salek
- Institute of Hematology and Blood Transfusion , Prague , Czech Republic
| | - Pavel Strnad
- Department of Gynecology and Obsterics, 2nd Faculty of Medicine, University Hospital Motol, Charles University , Prague , Czech Republic
| | - Guido Kroemer
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers , Paris , France ; U1138, INSERM , Paris , France ; Sorbonne Paris Cité, Université Paris Descartes , Paris , France ; Université Pierre et Marie Curie , Paris , France ; Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute , Villejuif , France ; Pôle de Biologie, Hopitâl Européen George Pompidou, AP-HP , Paris , France
| | - Lorenzo Galluzzi
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers , Paris , France ; U1138, INSERM , Paris , France ; Sorbonne Paris Cité, Université Paris Descartes , Paris , France ; Université Pierre et Marie Curie , Paris , France ; Gustave Roussy Comprehensive Cancer Institute , Villejuif , France
| | - Radek Spisek
- Sotio , Prague , Czech Republic ; Department of Immunology, 2nd Faculty of Medicine, University Hospital Motol, Charles University , Prague , Czech Republic
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Enhanced Control of Bladder-Associated Tumors Using Shrimp Anti-Lipopolysaccharide Factor (SALF) Antimicrobial Peptide as a Cancer Vaccine Adjuvant in Mice. Mar Drugs 2015; 13:3241-58. [PMID: 26006716 PMCID: PMC4446627 DOI: 10.3390/md13053241] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Accepted: 05/12/2015] [Indexed: 12/12/2022] Open
Abstract
Shrimp anti-lipopolysaccharide factor (SALF) is an antimicrobial peptide with reported anticancer activities, such as suppression of tumor progression. In this study, we prepared a potential cancer vaccine comprised of SALF in conjunction with the cell lysate of inactivated murine bladder carcinoma cells (MBT-2), and evaluated its efficacy in a mouse tumor model. Our study shows that SALF added to cell culture media inhibits growth progression of MBT-2, and that SALF together with inactivated MBT-2 lysate elevates the level of inflammasome activity, and modulates the levels of IL-1β, MCP-1, IL-6, IL-12, and TNF-α in mouse macrophages. Immunization of 7, 14, and 21 day-old mice with the vaccine prevented growth of MBT-2 cell-mediated tumors. The vaccine was found to enhance expression of T-cell, cytotoxic T cells, and NK cells in the immunized mice groups. Recruitment of macrophages, T-helper cells, and NK cells was enhanced, but levels of VEGF were decreased in immunized mice. This report provides empirical evidence that our SALF as vaccine adjuvant enhances antitumor immunity in mice.
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28
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Aranda F, Buqué A, Bloy N, Castoldi F, Eggermont A, Cremer I, Fridman WH, Fucikova J, Galon J, Spisek R, Tartour E, Zitvogel L, Kroemer G, Galluzzi L. Trial Watch: Adoptive cell transfer for oncological indications. Oncoimmunology 2015; 4:e1046673. [PMID: 26451319 DOI: 10.1080/2162402x.2015.1046673] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Accepted: 04/25/2015] [Indexed: 12/15/2022] Open
Abstract
One particular paradigm of anticancer immunotherapy relies on the administration of (potentially) tumor-reactive immune effector cells. Generally, these cells are obtained from autologous peripheral blood lymphocytes (PBLs) ex vivo (in the context of appropriate expansion, activation and targeting protocols), and re-infused into lymphodepleted patients along with immunostimulatory agents. In spite of the consistent progress achieved throughout the past two decades in this field, no adoptive cell transfer (ACT)-based immunotherapeutic regimen is currently approved by regulatory agencies for use in cancer patients. Nonetheless, the interest of oncologists in ACT-based immunotherapy continues to increase. Accumulating clinical evidence indicates indeed that specific paradigms of ACT, such as the infusion of chimeric antigen receptor (CAR)-expressing autologous T cells, are associated with elevated rates of durable responses in patients affected by various neoplasms. In line with this notion, clinical trials investigating the safety and therapeutic activity of ACT in cancer patients are being initiated at an ever increasing pace. Here, we review recent preclinical and clinical advances in the development of ACT-based immunotherapy for oncological indications.
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Affiliation(s)
- Fernando Aranda
- Group of Immune Receptors of the Innate and Adaptive System; Institut d'Investigacions Biomédiques August Pi i Sunyer (IDIBAPS) ; Barcelona, Spain
| | - Aitziber Buqué
- 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
| | - Norma Bloy
- 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
| | - Francesca Castoldi
- INSERM; U1138 ; Paris, France ; Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Centre de Recherche des Cordeliers ; Paris, France ; Faculté de Medicine; Université Paris Sud/Paris XI ; Le Kremlin-Bicêtre, France ; Sotio a.c. ; Prague, Czech Republic
| | | | - Isabelle Cremer
- INSERM; U1138 ; Paris, France ; Equipe 13; Centre de Recherche des Cordeliers ; Paris, France ; Université Pierre et Marie Curie/Paris VI ; Paris, France
| | - Wolf Hervé Fridman
- INSERM; U1138 ; Paris, France ; Equipe 13; Centre de Recherche des Cordeliers ; Paris, France ; Université Pierre et Marie Curie/Paris VI ; Paris, France
| | - Jitka Fucikova
- Sotio a.c. ; Prague, Czech Republic ; Dept. of Immunology; 2nd Faculty of Medicine and University Hospital Motol; Charles University ; Prague, Czech Republic
| | - Jérôme Galon
- INSERM; U1138 ; Paris, France ; Université Pierre et Marie Curie/Paris VI ; Paris, France ; Laboratory of Integrative Cancer Immunology; Centre de Recherche des Cordeliers ; Paris, France ; Université Paris Descartes/Paris V , Sorbonne Paris Cité , Paris, France
| | - Radek Spisek
- Sotio a.c. ; Prague, Czech Republic ; Dept. of Immunology; 2nd Faculty of Medicine and University Hospital Motol; Charles University ; Prague, Czech Republic
| | - Eric Tartour
- Université Paris Descartes/Paris V , Sorbonne Paris Cité , Paris, France ; INSERM; U970 ; Paris, France ; Paris-Cardiovascular Research Center (PARCC) ; Paris, France ; Service d'Immunologie Biologique; Hôpital Européen Georges Pompidou (HEGP); AP-HP ; Paris, France
| | - Laurence Zitvogel
- Gustave Roussy Cancer Campus ; Villejuif, France ; INSERM; U1015; CICBT507 ; Villejuif, France
| | - Guido Kroemer
- INSERM; U1138 ; Paris, France ; Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Centre de Recherche des Cordeliers ; Paris, France ; Université Pierre et Marie Curie/Paris VI ; Paris, France ; Université Paris Descartes/Paris V , Sorbonne Paris Cité , Paris, France ; Pôle de Biologie; Hôpital Européen Georges Pompidou; AP-HP ; Paris, France ; Metabolomics and Cell Biology Platforms; Gustave Roussy Cancer Campus ; Villejuif, France
| | - Lorenzo Galluzzi
- 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 ; Université Pierre et Marie Curie/Paris VI ; Paris, France ; Université Paris Descartes/Paris V , Sorbonne Paris Cité , Paris, France
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Bloy N, Buqué A, Aranda F, Castoldi F, Eggermont A, Cremer I, Sautès-Fridman C, Fucikova J, Galon J, Spisek R, Tartour E, Zitvogel L, Kroemer G, Galluzzi L. Trial watch: Naked and vectored DNA-based anticancer vaccines. Oncoimmunology 2015; 4:e1026531. [PMID: 26155408 PMCID: PMC4485755 DOI: 10.1080/2162402x.2015.1026531] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 02/27/2015] [Indexed: 12/28/2022] Open
Abstract
One type of anticancer vaccine relies on the administration of DNA constructs encoding one or multiple tumor-associated antigens (TAAs). The ultimate objective of these preparations, which can be naked or vectored by non-pathogenic viruses, bacteria or yeast cells, is to drive the synthesis of TAAs in the context of an immunostimulatory milieu, resulting in the (re-)elicitation of a tumor-targeting immune response. In spite of encouraging preclinical results, the clinical efficacy of DNA-based vaccines employed as standalone immunotherapeutic interventions in cancer patients appears to be limited. Thus, efforts are currently being devoted to the development of combinatorial regimens that allow DNA-based anticancer vaccines to elicit clinically relevant immune responses. Here, we discuss recent advances in the preclinical and clinical development of this therapeutic paradigm.
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Key Words
- AFP, α-fetoprotein
- APC, antigen-presenting cell
- CDR, complementarity-determining region
- CEA, carcinoembryonic antigen
- CIN, cervical intraepithelial neoplasia
- CTLA4, cytotoxic T lymphocyte protein 4
- DAMP, damage-associated molecular pattern
- DC, dendritic cell
- FDA, Food and Drug Administration
- GM-CSF, granulocyte macrophage colony-stimulating factor
- GX-188E
- HCC, hepatocellular carcinoma
- HNSCC, head and neck squamous cell carcinoma
- HPV, human papillomavirus
- IL, interleukin
- OS, overall survival
- OVA, ovalbumin
- PAP, prostate acid phosphatase
- SCGB2A2, secretoglobin, family 2A, member 2
- SOX2, SRY (sex determining region Y)-box 2
- T, brachyury homolog
- TAA, tumor-associated antigen
- TLR, Toll-like receptor
- TRA, tumor rejection antigen
- Treg, regulatory T cell
- VGX-3100
- WT1, Wilms tumor 1
- adjuvants
- dendritic cell
- electroporation
- mucosal immunity
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Affiliation(s)
- Norma Bloy
- Gustave Roussy Cancer Campus; Villejuif, France
- INSERM, U1138; Paris, France
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
| | - Aitziber Buqué
- Gustave Roussy Cancer Campus; Villejuif, France
- INSERM, U1138; Paris, France
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
| | - Fernando Aranda
- Group of Immune receptors of the Innate and Adaptive System; Institut d’Investigacions Biomédiques August Pi i Sunyer (IDIBAPS); Barcelona, Spain
| | - Francesca Castoldi
- Gustave Roussy Cancer Campus; Villejuif, France
- INSERM, U1138; Paris, France
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- Faculté de Medicine; Université Paris Sud/Paris XI; Le Kremlin-Bicêtre, France
- Sotio a.c; Prague, Czech Republic
| | | | - Isabelle Cremer
- INSERM, U1138; Paris, France
- Equipe 13; Center de Recherche des Cordeliers; Paris, France
- Université Pierre et Marie Curie/Paris VI; Paris, France
| | - Catherine Sautès-Fridman
- INSERM, U1138; Paris, France
- Equipe 13; Center de Recherche des Cordeliers; Paris, France
- Université Pierre et Marie Curie/Paris VI; Paris, France
| | - Jitka Fucikova
- Sotio a.c; Prague, Czech Republic
- Dept. of Immunology; 2 Faculty of Medicine and University Hospital Motol; Charles University; Prague, Czech Republic
| | - Jérôme Galon
- INSERM, U1138; Paris, France
- Université Pierre et Marie Curie/Paris VI; Paris, France
- Laboratory of Integrative Cancer Immunology; Center de Recherche des Cordeliers; Paris, France
- Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France
| | - Radek Spisek
- Sotio a.c; Prague, Czech Republic
- Dept. of Immunology; 2 Faculty of Medicine and University Hospital Motol; Charles University; Prague, Czech Republic
| | - Eric Tartour
- Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France
- INSERM, U970; Paris, France
- Paris-Cardiovascular Research Center (PARCC); Paris, France
- Service d'Immunologie Biologique; Hôpital Européen Georges Pompidou (HEGP); AP-HP; Paris, France
| | - Laurence Zitvogel
- Gustave Roussy Cancer Campus; Villejuif, France
- INSERM, U1015, CICBT507; Villejuif, France
| | - Guido Kroemer
- INSERM, U1138; Paris, France
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- Université Pierre et Marie Curie/Paris VI; Paris, France
- Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France
- Pôle de Biologie; Hôpital Européen Georges Pompidou; AP-HP; Paris, France
- Metabolomics and Cell Biology Platforms; Gustave Roussy Cancer Campus; Villejuif, France
| | - Lorenzo Galluzzi
- Gustave Roussy Cancer Campus; Villejuif, France
- INSERM, U1138; Paris, France
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- Université Pierre et Marie Curie/Paris VI; Paris, France
- Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France
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Pol J, Bloy N, Buqué A, Eggermont A, Cremer I, Sautès-Fridman C, Galon J, Tartour E, Zitvogel L, Kroemer G, Galluzzi L. Trial Watch: Peptide-based anticancer vaccines. Oncoimmunology 2015; 4:e974411. [PMID: 26137405 PMCID: PMC4485775 DOI: 10.4161/2162402x.2014.974411] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2014] [Accepted: 10/06/2014] [Indexed: 02/07/2023] Open
Abstract
Malignant cells express antigens that can be harnessed to elicit anticancer immune responses. One approach to achieve such goal consists in the administration of tumor-associated antigens (TAAs) or peptides thereof as recombinant proteins in the presence of adequate adjuvants. Throughout the past decade, peptide vaccines have been shown to mediate antineoplastic effects in various murine tumor models, especially when administered in the context of potent immunostimulatory regimens. In spite of multiple limitations, first of all the fact that anticancer vaccines are often employed as therapeutic (rather than prophylactic) agents, this immunotherapeutic paradigm has been intensively investigated in clinical scenarios, with promising results. Currently, both experimentalists and clinicians are focusing their efforts on the identification of so-called tumor rejection antigens, i.e., TAAs that can elicit an immune response leading to disease eradication, as well as to combinatorial immunostimulatory interventions with superior adjuvant activity in patients. Here, we summarize the latest advances in the development of peptide vaccines for cancer therapy.
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Key Words
- APC, antigen-presenting cell
- CMP, carbohydrate-mimetic peptide
- EGFR, epidermal growth factor receptor
- FDA, Food and Drug Administration
- GM-CSF, granulocyte macrophage colony stimulating factor
- HPV, human papillomavirus
- IDH1, isocitrate dehydrogenase 1 (NADP+), soluble
- IDO1, indoleamine 2, 3-dioxygenase 1
- IFNα, interferon α
- IL-2, interleukin-2
- MUC1, mucin 1
- NSCLC, non-small cell lung carcinoma
- PADRE, pan-DR binding peptide epitope
- PPV, personalized peptide vaccination
- SLP, synthetic long peptide
- TAA, tumor-associated antigen
- TERT, telomerase reverse transcriptase
- TLR, Toll-like receptor
- TRA, tumor rejection antigen
- WT1
- carbohydrate-mimetic peptides
- immune checkpoint blockers
- immunostimulatory cytokines
- survivin
- synthetic long peptides
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Affiliation(s)
- Jonathan Pol
- Gustave Roussy Cancer Campus; Villejuif, France
- INSERM, U1138; Paris, France
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
| | - Norma Bloy
- Gustave Roussy Cancer Campus; Villejuif, France
- INSERM, U1138; Paris, France
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- Université Paris-Sud/Paris XI
| | - Aitziber Buqué
- Gustave Roussy Cancer Campus; Villejuif, France
- INSERM, U1138; Paris, France
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
| | | | - Isabelle Cremer
- INSERM, U1138; Paris, France
- Equipe 13; Center de Recherche des Cordeliers; Paris, France
- Université Pierre et Marie Curie/Paris VI; Paris, France
| | - Catherine Sautès-Fridman
- INSERM, U1138; Paris, France
- Equipe 13; Center de Recherche des Cordeliers; Paris, France
- Université Pierre et Marie Curie/Paris VI; Paris, France
| | - Jérôme Galon
- INSERM, U1138; Paris, France
- Université Pierre et Marie Curie/Paris VI; Paris, France
- Laboratory of Integrative Cancer Immunology, Center de Recherche des Cordeliers; Paris, France
- Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France
| | - Eric Tartour
- Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France
- INSERM; U970; Paris, France
- Pôle de Biologie; Hôpital Européen Georges Pompidou; AP-HP; Paris, France
| | - Laurence Zitvogel
- Gustave Roussy Cancer Campus; Villejuif, France
- INSERM; U1015; CICBT507; Villejuif, France
| | - Guido Kroemer
- INSERM, U1138; Paris, France
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France
- Pôle de Biologie; Hôpital Européen Georges Pompidou; AP-HP; Paris, France
- Metabolomics and Cell Biology Platforms; Gustave Roussy Cancer Campus; Villejuif, France
| | - Lorenzo Galluzzi
- Gustave Roussy Cancer Campus; Villejuif, France
- INSERM, U1138; Paris, France
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Center de Recherche des Cordeliers; Paris, France
- Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France
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Palchetti S, Starace D, De Cesaris P, Filippini A, Ziparo E, Riccioli A. Transfected poly(I:C) activates different dsRNA receptors, leading to apoptosis or immunoadjuvant response in androgen-independent prostate cancer cells. J Biol Chem 2015; 290:5470-83. [PMID: 25568326 PMCID: PMC4342463 DOI: 10.1074/jbc.m114.601625] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 11/29/2014] [Indexed: 01/03/2023] Open
Abstract
Despite the effectiveness of surgery or radiation therapy for the treatment of early-stage prostate cancer (PCa), there is currently no effective strategy for late-stage disease. New therapeutic targets are emerging; in particular, dsRNA receptors Toll-like receptor 3 (TLR3) and cytosolic helicases expressed by cancer cells, once activated, exert a pro-apoptotic effect in different tumors. We previously demonstrated that the synthetic analog of dsRNA poly(I:C) induces apoptosis in the androgen-dependent PCa cell line LNCaP in a TLR3-dependent fashion, whereas only a weak apoptotic effect is observed in the more aggressive and androgen-independent PCa cells PC3 and DU145. In this paper, we characterize the receptors and the signaling pathways involved in the remarkable apoptosis induced by poly(I:C) transfected by Lipofectamine (in-poly(I:C)) compared with the 12-fold higher free poly(I:C) concentration in PC3 and DU145 cells. By using genetic inhibition of different poly(I:C) receptors, we demonstrate the crucial role of TLR3 and Src in in-poly(I:C)-induced apoptosis. Therefore, we show that the increased in-poly(I:C) apoptotic efficacy is due to a higher binding of endosomal TLR3. On the other hand, we show that in-poly(I:C) binding to cytosolic receptors MDA5 and RIG-I triggers IRF3-mediated signaling, leading uniquely to the up-regulation of IFN-β, which likely in turn induces increased TLR3, MDA5, and RIG-I proteins. In summary, in-poly(I:C) activates two distinct antitumor pathways in PC3 and DU145 cells: one mediated by the TLR3/Src/STAT1 axis, leading to apoptosis, and the other one mediated by MDA5/RIG-I/IRF3, leading to immunoadjuvant IFN-β expression.
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Affiliation(s)
- Sara Palchetti
- From the Istituto Pasteur-Fondazione Cenci Bolognetti, Department of Anatomy, Histology, Forensic Medicine, and Orthopedics, Section of Histology and Medical Embryology, "Sapienza" University of Rome, Rome, Italy and
| | - Donatella Starace
- From the Istituto Pasteur-Fondazione Cenci Bolognetti, Department of Anatomy, Histology, Forensic Medicine, and Orthopedics, Section of Histology and Medical Embryology, "Sapienza" University of Rome, Rome, Italy and
| | - Paola De Cesaris
- the Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - Antonio Filippini
- From the Istituto Pasteur-Fondazione Cenci Bolognetti, Department of Anatomy, Histology, Forensic Medicine, and Orthopedics, Section of Histology and Medical Embryology, "Sapienza" University of Rome, Rome, Italy and
| | - Elio Ziparo
- From the Istituto Pasteur-Fondazione Cenci Bolognetti, Department of Anatomy, Histology, Forensic Medicine, and Orthopedics, Section of Histology and Medical Embryology, "Sapienza" University of Rome, Rome, Italy and
| | - Anna Riccioli
- From the Istituto Pasteur-Fondazione Cenci Bolognetti, Department of Anatomy, Histology, Forensic Medicine, and Orthopedics, Section of Histology and Medical Embryology, "Sapienza" University of Rome, Rome, Italy and
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Aris M, Barrio MM. Combining immunotherapy with oncogene-targeted therapy: a new road for melanoma treatment. Front Immunol 2015; 6:46. [PMID: 25709607 PMCID: PMC4321613 DOI: 10.3389/fimmu.2015.00046] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Accepted: 01/25/2015] [Indexed: 01/21/2023] Open
Abstract
Cutaneous melanoma arises from the malignant transformation of skin melanocytes; its incidence and mortality have been increasing steadily over the last 50 years, now representing 3% of total tumors. Once melanoma metastasizes, prognosis is somber and therapeutic options are limited. However, the discovery of prevalent BRAF mutations in at least 50% of melanoma tumors led to development of BRAF-inhibitors, and other drugs targeting the MAPK pathway including MEK-inhibitors, are changing this reality. These recently approved treatments for metastatic melanoma have made a significant impact on patient survival; though the results are shadowed by the appearance of drug-resistance. Combination therapies provide a rational strategy to potentiate efficacy and potentially overcome resistance. Undoubtedly, the last decade has also born a renaissance of immunotherapy, and encouraging advances in metastatic melanoma treatment are illuminating the road. Immune checkpoint blockades, such as CTLA-4 antagonist-antibodies, and multiple cancer vaccines are now invaluable arms of anti-tumor therapy. Recent work has brought to light the delicate relationship between tumor biology and the immune system. Host immunity contributes to the anti-tumor activity of oncogene-targeted inhibitors within a complex network of cytokines and chemokines. Therefore, combining immunotherapy with oncogene-targeted drugs may be the key to melanoma control. Here, we review ongoing clinical studies of combination therapies using both oncogene inhibitors and immunotherapeutic strategies in melanoma patients. We will revisit the preclinical evidence that tested sequential and concurrent schemes in suitable animal models and formed the basis for the current trials. Finally, we will discuss potential future directions of the field.
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Affiliation(s)
- Mariana Aris
- Centro de Investigaciones Oncológicas-Fundación Cáncer , Buenos Aires , Argentina
| | - María Marcela Barrio
- Centro de Investigaciones Oncológicas-Fundación Cáncer , Buenos Aires , Argentina
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Vacchelli E, Aranda F, Eggermont A, Sautès-Fridman C, Tartour E, Kennedy EP, Platten M, Zitvogel L, Kroemer G, Galluzzi L. Trial watch: IDO inhibitors in cancer therapy. Oncoimmunology 2014; 3:e957994. [PMID: 25941578 DOI: 10.4161/21624011.2014.957994] [Citation(s) in RCA: 171] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Accepted: 08/21/2014] [Indexed: 12/17/2022] Open
Abstract
Indoleamine 2,3-dioxigenase 1 (IDO1) is the main enzyme that catalyzes the first, rate-limiting step of the so-called "kynurenine pathway", i.e., the metabolic cascade that converts the essential amino acid L-tryptophan (Trp) into L-kynurenine (Kyn). IDO1, which is expressed constitutively by some tissues and in an inducible manner by specific subsets of antigen-presenting cells, has been shown to play a role in the establishment and maintenance of peripheral tolerance. At least in part, this reflects the capacity of IDO1 to restrict the microenvironmental availability of Trp and to favor the accumulation of Kyn and some of its derivatives. Also, several neoplastic lesions express IDO1, providing them with a means to evade anticancer immunosurveillance. This consideration has driven the development of several IDO1 inhibitors, some of which (including 1-methyltryptophan) have nowadays entered clinical evaluation. In animal tumor models, the inhibition of IDO1 by chemical or genetic interventions is indeed associated with the (re)activation of therapeutically relevant anticancer immune responses. This said, several immunotherapeutic regimens exert robust clinical activity in spite of their ability to promote the expression of IDO1. Moreover, 1-methyltryptophan has recently been shown to exert IDO1-independent immunostimulatory effects. Here, we summarize the preclinical and clinical studies testing the antineoplastic activity of IDO1-targeting interventions.
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Key Words
- 1-methyl-D-tryptophan
- AHR, aryl hydrocarbon receptor
- BIN1, bridging integrator 1
- CTLA4, cytotoxic T lymphocyte associated protein 4
- DC, dendritic cell
- FDA, Food and Drug Administration
- GCN2, general control non-derepressible 2
- HCC, hepatocellular carcinoma
- IDO, indoleamine 2,3-dioxigenase
- IFNγ, interferon γ
- INCB024360
- Kyn, L-kynurenine
- NK, natural killer
- NLG919
- ODN, oligodeoxynucleotide
- TDO2, tryptophan 2,3-dioxigenase
- TLR, Toll-like receptor
- Treg, regulatory T cell
- Trp, L-tryptophan
- indoximod
- interferon γ
- peptide-based anticancer vaccines
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Affiliation(s)
- Erika Vacchelli
- 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 ; ; Université Paris-Sud/Paris XI; Orsay , Paris, France
| | - Fernando Aranda
- 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
| | | | - Catherine Sautès-Fridman
- INSERM U1138 ; Paris, France ; Equipe 13; Centre de Recherche des Cordeliers ; Paris, France ; Université Pierre et Marie Curie/Paris VI ; Paris, France
| | - Eric Tartour
- Université Paris Descartes/Paris V; Sorbonne Paris Cité ; Paris, France ; INSERM U970 ; Paris, France ; Pôle de Biologie; Hôpital Européen Georges Pompidou; AP-HP ; Paris, France
| | | | - Michael Platten
- Department of Neurooncology; University Hospital Heidelberg and National Center for Tumor Diseases ; Heidelberg, Germany ; German Cancer Consortium (DKTK) Clinical Cooperation Unit Neuroimmunology and Brain Tumor Immunology; German Cancer Research Center (DKFZ) ; Heidelberg, Germany
| | - Laurence Zitvogel
- Gustave Roussy Cancer Campus ; Villejuif, France ; INSERM U1015; CICBT507 ; Villejuif, France
| | - Guido Kroemer
- INSERM U1138 ; Paris, France ; Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Centre de Recherche des Cordeliers ; Paris, France ; ; Université Paris Descartes/Paris V; Sorbonne Paris Cité ; Paris, France ; Pôle de Biologie; Hôpital Européen Georges Pompidou; AP-HP ; Paris, France ; Metabolomics and Cell Biology Platforms; Gustave Roussy Cancer Campus ; Villejuif, France
| | - Lorenzo Galluzzi
- 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 ; ; Université Paris Descartes/Paris V; Sorbonne Paris Cité ; Paris, France
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Masuko K, Wakita D, Togashi Y, Kita T, Kitamura H, Nishimura T. Artificially synthesized helper/killer-hybrid epitope long peptide (H/K-HELP): preparation and immunological analysis of vaccine efficacy. Immunol Lett 2014; 163:102-12. [PMID: 25479286 DOI: 10.1016/j.imlet.2014.11.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Revised: 11/25/2014] [Accepted: 11/25/2014] [Indexed: 12/22/2022]
Abstract
To elucidate the immunologic mechanisms of artificially synthesized helper/killer-hybrid epitope long peptide (H/K-HELP), which indicated a great vaccine efficacy in human cancers, we prepared ovalbumin (OVA)-H/K-HELP by conjugating killer and helper epitopes of OVA-model tumor antigen via a glycine-linker. Vaccination of C57BL/6 mice with OVA-H/K-HELP (30 amino acids) but not with short peptides mixture of class I-binding peptide (8 amino-acids) and class II-binding peptide (17 amino-acids) combined with adjuvant CpG-ODN (cytosine-phosphorothioate-guanine oligodeoxynucleotides), induced higher numbers of OVA-tetramer-positive CTL with concomitant activation of IFN-γ-producing CD4(+) Th1 cells. However, replacement of glycine-linker of OVA-H/K-HELP with other peptide-linker caused a significant decrease of vaccine efficacy of OVA-H/K-HELP. In combination with adjuvant CpG-ODN, OVA-H/KHELP exhibited greater vaccine efficacy compared with short peptides vaccine, in both preventive and therapeutic vaccine models against OVA-expressing EG-7 tumor. The elevated vaccine efficacy of OVAH/K-HELP might be derived from the following mechanisms: (i) selective presentation by only professional dendritic cells (DC) in vaccinated draining lymph node (dLN); (ii) a long-term sustained antigen presentation exerted by DC to stimulate both CTL and Th1 cells; (iii) formation of three cells interaction among DC, Th and CTL. In comparative study, H/K-HELP indicated stronger therapeutic vaccine efficacy compared with that of extended class I synthetic long peptide, indicating that both the length of peptide and the presence of Th epitope peptide were crucial aspects for preparing artificially synthesized H/K-HELP vaccine.
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Affiliation(s)
- Kazutaka Masuko
- Division of Immunoregulation, Section of Disease Control, Institute for Genetic Medicine, Hokkaido University, Sapporo 060-0815, Japan
| | - Daiko Wakita
- Division of Immunoregulation, Section of Disease Control, Institute for Genetic Medicine, Hokkaido University, Sapporo 060-0815, Japan
| | | | - Toshiyuki Kita
- Division of Immunoregulation, Section of Disease Control, Institute for Genetic Medicine, Hokkaido University, Sapporo 060-0815, Japan; Division of ROYCE' Health Bioscience, Section of Disease Control, Institute for Genetic Medicine, Hokkaido University, Sapporo 060-0815, Japan
| | - Hidemitsu Kitamura
- Division of Immunoregulation, Section of Disease Control, Institute for Genetic Medicine, Hokkaido University, Sapporo 060-0815, Japan
| | - Takashi Nishimura
- Division of Immunoregulation, Section of Disease Control, Institute for Genetic Medicine, Hokkaido University, Sapporo 060-0815, Japan; Division of ROYCE' Health Bioscience, Section of Disease Control, Institute for Genetic Medicine, Hokkaido University, Sapporo 060-0815, Japan.
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35
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Conniot J, Silva JM, Fernandes JG, Silva LC, Gaspar R, Brocchini S, Florindo HF, Barata TS. Cancer immunotherapy: nanodelivery approaches for immune cell targeting and tracking. Front Chem 2014; 2:105. [PMID: 25505783 PMCID: PMC4244808 DOI: 10.3389/fchem.2014.00105] [Citation(s) in RCA: 113] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Accepted: 10/31/2014] [Indexed: 12/14/2022] Open
Abstract
Cancer is one of the most common diseases afflicting people globally. New therapeutic approaches are needed due to the complexity of cancer as a disease. Many current treatments are very toxic and have modest efficacy at best. Increased understanding of tumor biology and immunology has allowed the development of specific immunotherapies with minimal toxicity. It is important to highlight the performance of monoclonal antibodies, immune adjuvants, vaccines and cell-based treatments. Although these approaches have shown varying degrees of clinical efficacy, they illustrate the potential to develop new strategies. Targeted immunotherapy is being explored to overcome the heterogeneity of malignant cells and the immune suppression induced by both the tumor and its microenvironment. Nanodelivery strategies seek to minimize systemic exposure to target therapy to malignant tissue and cells. Intracellular penetration has been examined through the use of functionalized particulates. These nano-particulate associated medicines are being developed for use in imaging, diagnostics and cancer targeting. Although nano-particulates are inherently complex medicines, the ability to confer, at least in principle, different types of functionality allows for the plausible consideration these nanodelivery strategies can be exploited for use as combination medicines. The development of targeted nanodelivery systems in which therapeutic and imaging agents are merged into a single platform is an attractive strategy. Currently, several nanoplatform-based formulations, such as polymeric nanoparticles, micelles, liposomes and dendrimers are in preclinical and clinical stages of development. Herein, nanodelivery strategies presently investigated for cancer immunotherapy, cancer targeting mechanisms and nanocarrier functionalization methods will be described. We also intend to discuss the emerging nano-based approaches suitable to be used as imaging techniques and as cancer treatment options.
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Affiliation(s)
- João Conniot
- Faculdade de Farmácia, Instituto de Investigação do Medicamento (iMed.ULisboa), Universidade de Lisboa Lisboa, Portugal
| | - Joana M Silva
- Faculdade de Farmácia, Instituto de Investigação do Medicamento (iMed.ULisboa), Universidade de Lisboa Lisboa, Portugal
| | - Joana G Fernandes
- Faculdade de Farmácia, Instituto de Investigação do Medicamento (iMed.ULisboa), Universidade de Lisboa Lisboa, Portugal
| | - Liana C Silva
- Faculdade de Farmácia, Instituto de Investigação do Medicamento (iMed.ULisboa), Universidade de Lisboa Lisboa, Portugal
| | - Rogério Gaspar
- Faculdade de Farmácia, Instituto de Investigação do Medicamento (iMed.ULisboa), Universidade de Lisboa Lisboa, Portugal
| | - Steve Brocchini
- EPSRC Centre for Innovative Manufacturing in Emergent Macromolecular Therapies, UCL School of Pharmacy London, UK
| | - Helena F Florindo
- Faculdade de Farmácia, Instituto de Investigação do Medicamento (iMed.ULisboa), Universidade de Lisboa Lisboa, Portugal
| | - Teresa S Barata
- EPSRC Centre for Innovative Manufacturing in Emergent Macromolecular Therapies, UCL School of Pharmacy London, UK
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Menger L, Vacchelli E, Kepp O, Eggermont A, Tartour E, Zitvogel L, Kroemer G, Galluzzi L. Trial watch: Cardiac glycosides and cancer therapy. Oncoimmunology 2014; 2:e23082. [PMID: 23525565 PMCID: PMC3601180 DOI: 10.4161/onci.23082] [Citation(s) in RCA: 101] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Cardiac glycosides (CGs) are natural compounds sharing the ability to operate as potent inhibitors of the plasma membrane Na+/K+-ATPase, hence promoting—via an indirect mechanism—the intracellular accumulation of Ca2+ ions. In cardiomyocytes, increased intracellular Ca2+ concentrations exert prominent positive inotropic effects, that is, they increase myocardial contractility. Owing to this feature, two CGs, namely digoxin and digitoxin, have extensively been used in the past for the treatment of several cardiac conditions, including distinct types of arrhythmia as well as contractility disorders. Nowadays, digoxin is approved by the FDA and indicated for the treatment of congestive heart failure, atrial fibrillation and atrial flutter with rapid ventricular response, whereas the use of digitoxin has been discontinued in several Western countries. Recently, CGs have been suggested to exert potent antineoplastic effects, notably as they appear to increase the immunogenicity of dying cancer cells. In this Trial Watch, we summarize the mechanisms that underpin the unsuspected anticancer potential of CGs and discuss the progress of clinical studies that have evaluated/are evaluating the safety and efficacy of CGs for oncological indications.
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Affiliation(s)
- Laurie Menger
- Institut Gustave Roussy; Villejuif, France ; Université Paris-Sud/Paris XI; Le Kremlin-Bicêtre, France ; INSERM; U848; Villejuif, France
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Affiliation(s)
- Lorenzo Galluzzi
- Université Paris Descartes/Paris V, Sorbonne Paris Cité; Paris, France; ; Equipe 11 labellisée par la Ligue Nationale Contre le Cancer; Centre de Recherche des Cordeliers; Paris, France; ; Institut Gustave Roussy; Villejuif, France
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38
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Hoyer S, Prommersberger S, Pfeiffer IA, Schuler-Thurner B, Schuler G, Dörrie J, Schaft N. Concurrent interaction of DCs with CD4(+) and CD8(+) T cells improves secondary CTL expansion: It takes three to tango. Eur J Immunol 2014; 44:3543-59. [PMID: 25211552 DOI: 10.1002/eji.201444477] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 08/04/2014] [Accepted: 09/09/2014] [Indexed: 01/13/2023]
Abstract
T-cell help is essential for CTL-memory formation. Nevertheless, it is unclear whether the continuous presence of CD4(+) T-helper (Th) cells is required during dendritic cell (DC)/CD8(+) T-cell encounters, or whether a DC will remember the helper signal after the Th cell has departed. This question is relevant for the design of therapeutic cancer vaccines. Therefore, we investigated how human DCs need to interact with CD4(+) T cells to mediate efficient repetitive CTL expansion in vitro. We established an autologous antigen-specific in vitro system with monocyte-derived DCs, as these are primarily used for cancer vaccination. Contrary to common belief, a sequential interaction of licensed DCs with CD8(+) T cells barely improved CTL expansion. In sharp contrast, simultaneous encounter of Th cells and CTLs with the same DC during the first in vitro encounter is a prerequisite for optimal subsequent CTL expansion in our in vitro system. These data suggest that, in contrast to DC maturation, the activation of DCs by Th cells, which is necessary for optimal CTL stimulation, is transient. This knowledge has significant implications for the design of new and more effective DC-based vaccination strategies. Furthermore, our in vitro system could be a valuable tool for preclinical immunotherapeutical studies.
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Affiliation(s)
- Stefanie Hoyer
- Department of Dermatology, Universitätsklinikum Erlangen, Erlangen, Germany; Department of Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
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39
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Kroemer G, Zitvogel L, Galluzzi L. Victories and deceptions in tumor immunology: Stimuvax ®. Oncoimmunology 2014; 2:e23687. [PMID: 23483762 PMCID: PMC3583943 DOI: 10.4161/onci.23687] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Affiliation(s)
- Guido Kroemer
- Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France ; Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Centre de Recherche des Cordeliers; Paris, France ; INSERM, U848; Villejuif, France ; Metabolomics Platform, Institut Gustave Roussy; Villejuif, France ; Pôle de Biologie, Hôpital Européen Georges Pompidou, AP-HP; Paris, France
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40
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Vacchelli E, Eggermont A, Galon J, Sautès-Fridman C, Zitvogel L, Kroemer G, Galluzzi L. Trial watch: Monoclonal antibodies in cancer therapy. Oncoimmunology 2014; 2:e22789. [PMID: 23482847 PMCID: PMC3583934 DOI: 10.4161/onci.22789] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
During the past 20 years, dozens-if not hundreds-of monoclonal antibodies have been developed and characterized for their capacity to mediate antineoplastic effects, either as they activate/enhance tumor-specific immune responses, either as they interrupt cancer cell-intrinsic signal transduction cascades, either as they specifically delivery toxins to malignant cells or as they block the tumor-stroma interaction. Such an intense research effort has lead to the approval by FDA of no less than 14 distinct molecules for use in humans affected by hematological or solid malignancies. In the inaugural issue of OncoImmunology, we briefly described the scientific rationale behind the use of monoclonal antibodies in cancer therapy and discussed recent, ongoing clinical studies investigating the safety and efficacy of this approach in patients. Here, we summarize the latest developments in this exciting area of clinical research, focusing on high impact studies that have been published during the last 15 months and clinical trials launched in the same period to investigate the therapeutic profile of promising, yet hitherto investigational, monoclonal antibodies.
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Affiliation(s)
- Erika Vacchelli
- Institut Gustave Roussy; Villejuif, France ; Université Paris-Sud/Paris XI; Le Kremlin-Bicêtre, France ; INSERM; U848; Villejuif, France
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41
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Senovilla L, Vacchelli E, Garcia P, Eggermont A, Fridman WH, Galon J, Zitvogel L, Kroemer G, Galluzzi L. Trial watch: DNA vaccines for cancer therapy. Oncoimmunology 2014; 2:e23803. [PMID: 23734328 PMCID: PMC3654598 DOI: 10.4161/onci.23803] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2013] [Accepted: 01/28/2013] [Indexed: 12/22/2022] Open
Abstract
The foundation of modern vaccinology dates back to the 1790s, when the English physician Edward Jenner uncovered the tremendous medical potential of prophylactic vaccination. Jenner’s work ignited a wave of nationwide vaccination campaigns abating the incidence of multiple life-threatening infectious diseases and culminating with the eradication of natural smallpox virus, which was definitively certified by the WHO in 1980. The possibility of using vaccines against cancer was first proposed at the end of the 19th century by Paul Ehrlich and William Coley. However, it was not until the 1990s that such a hypothesis began to be intensively investigated, following the realization that the immune system is not completely unresponsive to tumors and that neoplastic cells express immunogenic tumor-associated antigens (TAAs). Nowadays, anticancer vaccines are rapidly moving from the bench to the bedside, and a few prophylactic and therapeutic preparations have already been approved by FDA for use in humans. In this setting, one interesting approach is constituted by DNA vaccines, i.e., TAA-encoding circularized DNA constructs, often of bacterial origin, that are delivered to patients as such or by means of specific vectors, including (but not limited to) liposomal preparations, nanoparticles, bacteria and viruses. The administration of DNA vaccines is most often performed via the intramuscular or subcutaneous route and is expected to cause (1) the endogenous synthesis of the TAA by myocytes and/or resident antigen-presenting cells; (2) the presentation of TAA-derived peptides on the cell surface, in association with MHC class I molecules; and (3) the activation of potentially therapeutic tumor-specific immune responses. In this Trial Watch, we will summarize the results of recent clinical trials that have evaluated/are evaluating DNA vaccines as therapeutic interventions against cancer.
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Affiliation(s)
- Laura Senovilla
- Institut Gustave Roussy; Villejuif, France ; INSERM; U848; Villejuif, France ; INSERM; U1015 labelisée par la Ligue Nationale contre le Cancer; CICBT507; Villejuif, France
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42
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Vacchelli E, Senovilla L, Eggermont A, Fridman WH, Galon J, Zitvogel L, Kroemer G, Galluzzi L. Trial watch: Chemotherapy with immunogenic cell death inducers. Oncoimmunology 2014; 2:e23510. [PMID: 23687621 PMCID: PMC3655739 DOI: 10.4161/onci.23510] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
It is now clear that the immune system plays a critical role not only during oncogenesis and tumor progression, but also as established neoplastic lesions respond to therapy. Selected cytotoxic chemicals can indeed elicit immunogenic cell death, a functionally peculiar type of apoptosis that stimulates tumor-specific cognate immune responses. Such immunogenic chemotherapeutics include cyclophosphamide, doxorubicin and oxaliplatin (which are approved by FDA for the treatment of various hematological and solid malignancies), mitoxantrone (which is currently employed both as an anticancer agent and against multiple sclerosis) and patupilone (a microtubular poison in clinical development). One year ago, in the second issue of OncoImmunology, we discussed the scientific rationale behind immunogenic chemotherapy and reviewed the status of recent clinical trials investigating the off-label use of cyclophosphamide, doxorubicin, oxaliplatin and mitoxantrone in cancer patients. Here, we summarize the latest developments in this area of clinical research, covering both high-impact studies that have been published during the last 13 months and clinical trials that have been initiated in the same period to assess the antineoplastic profile of immunogenic chemotherapeutics.
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Affiliation(s)
- Erika Vacchelli
- Institut Gustave Roussy; Villejuif, France ; Université Paris-Sud/Paris XI; Le Kremlin-Bicêtre, France ; INSERM, U848; Villejuif, France
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43
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Makkouk A, Joshi VB, Wongrakpanich A, Lemke CD, Gross BP, Salem AK, Weiner GJ. Biodegradable microparticles loaded with doxorubicin and CpG ODN for in situ immunization against cancer. AAPS JOURNAL 2014; 17:184-93. [PMID: 25331103 DOI: 10.1208/s12248-014-9676-6] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Accepted: 09/22/2014] [Indexed: 01/06/2023]
Abstract
In situ immunization is based on the concept that it is possible to break immune tolerance by inducing tumor cell death in situ in a manner that provides antigen-presenting cells such as dendritic cells (DCs) with a wide selection of tumor antigens that can then be presented to the immune system and result in a therapeutic anticancer immune response. We designed a comprehensive approach to in situ immunization using poly(lactic-co-glycolic acid) (PLGA)-biodegradable microparticles (MPs) loaded with doxorubicin (Dox) and CpG oligodeoxynucleotides (CpG) that deliver Dox (chemotherapy) and CpG (immunotherapy) in a sustained-release fashion when injected intratumorally. Dox induces immunogenic tumor cell death while CpG enhances tumor antigen presentation by DCs. PLGA MPs allow their safe co-delivery while evading the vesicant action of Dox. In vitro, we show that Dox/CpG MPs can kill B and T lymphoma cells and are less toxic to DCs. In vivo, Dox/CpG MPs combined with antibody therapy to enhance and maintain the T cell response generated systemic immune responses that suppressed injected and distant tumors in a murine B lymphoma model, leading to tumor-free mice. The combination regimen was also effective at reducing T cell lymphoma and melanoma tumor burdens. In conclusion, Dox/CpG MPs represent an efficient and safe tool for in situ immunization that could provide a promising component of immunotherapy for patients with a variety of types of cancer.
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Affiliation(s)
- Amani Makkouk
- Interdisciplinary Graduate Program in Immunology, University of Iowa, Iowa City, Iowa, 52242, USA
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44
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Abstract
During the past two decades, several interventions have been shown to increase the healthy lifespan of model organisms as evolutionarily distant from each other as yeast, worms, flies and mammals. These anti-aging maneuvers include (but are not limited to) cycles of caloric restriction, physical exercise as well as the administration of multiple, chemically unrelated agents, such as resveratrol, spermidine and various rapamycin-like compounds collectively known as rapalogs. Most, if not all, lifespan-extending agents promote macroautophagy (hereafter referred to as autophagy), an evolutionarily old mechanism that contributes to the maintenance of intracellular homeostasis and plays a critical role in the adaptive response of cells to stress. In line with this notion, the activation of autophagy appears to mediate significant anti-ageing effects in several organisms, including mice. Here, we focus on rapalogs to discuss the possibility that part of the beneficial activity of lifespan-extending agents stems from their ability to exert immunostimulatory effects. Accumulating evidence indicates indeed that the immune system can recognize and eliminate not only cells that are prone to undergo malignant transformation, but also senescent cells, thus playing a significant role in the control of organismal aging. In addition, it has recently become clear that rapamycin and other rapalogs, which for a long time have been viewed (and used in the clinic) as pure immunosuppressants, can mediate robust immunostimulatory functions, at least in some circumstances.
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45
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Hegmans JPJJ, Aerts JGJV. Immunomodulation in cancer. Curr Opin Pharmacol 2014; 17:17-21. [DOI: 10.1016/j.coph.2014.06.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Revised: 06/11/2014] [Accepted: 06/14/2014] [Indexed: 12/12/2022]
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Abstract
Research in cancer immunotherapy has gained momentum in the last two decades, with many studies and clinical trials showing positive therapeutic outcomes. Immunotherapy can elicit not only a strong anticancer immune response which could even control metastases, but could also induce immunological memory, resulting in long-lasting protection in the prophylactic setting and protection against possible recurrence. Nanocarriers offer an attractive means for delivery of a multitude of therapeutic immunomodulators which are readily taken up by immune cells and can initiate a particular arm of an immunostimulatory cascade leading to tumor cell killing. This review focuses on recent advances in nanocarrier-mediated immunotherapy for the treatment of cancer. Both in vitro and in vivo studies as well as clinical progress are discussed in various sections. Description of the specific role of nanoparticle technology in immunotherapy highlights the way particles can be tailor-made in terms of size, structure, payload, and surface properties for active targeting to antigen-presenting cells and/or enhanced accumulation in the solid tumor.
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Affiliation(s)
- Manu Smriti Singh
- Laboratory of Pharmaceutical Technology and Biopharmaceutics, University of Bonn, Bonn, Germany
| | - Sangeeta Bhaskar
- Product Development Cell, National Institute of Immunology, New Delhi, India
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47
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Galon J, Bindea G, Mlecnik B, Angell H, Lagorce C, Todosi AM, Berger A, Pagès F. Microenvironnement immunitaire et cancer. Med Sci (Paris) 2014; 30:439-44. [DOI: 10.1051/medsci/20143004020] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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48
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Aranda F, Vacchelli E, Obrist F, Eggermont A, Galon J, Hervé Fridman W, Cremer I, Tartour E, Zitvogel L, Kroemer G, Galluzzi L. Trial Watch: Adoptive cell transfer for anticancer immunotherapy. Oncoimmunology 2014; 3:e28344. [PMID: 25050207 PMCID: PMC4063152 DOI: 10.4161/onci.28344] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Accepted: 02/24/2014] [Indexed: 12/19/2022] Open
Abstract
The expression "adoptive cell transfer" (ACT) is commonly employed to indicate an immunotherapeutic regimen involving the isolation of autologous blood-borne or tumor-infiltrating lymphocytes, their selection/expansion/activation ex vivo, and their reinfusion into the patient, most often in the context of lymphodepleting pre-conditioning and in combination with immunostimulatory treatments. Optionally, the cellular material for ACT is genetically manipulated before expansion to (1) target specific tumor-associated antigens; (2) endogenously express immunostimulatory molecules; and/or (3) persist for long periods upon reinfusion. Consistent efforts have been dedicated at the amelioration of this immunotherapeutic regimen throughout the past decade, resulting in the establishment of ever more efficient and safer ACT protocols. Accordingly, the number of clinical trials testing ACT in oncological indications does not cease to increase. In this Trial Watch, we summarize recent developments in this exciting area of research, covering both high-impact studies that have been published during the last 12 months and clinical trials that have been launched in the same period to evaluate the safety and therapeutic potential of ACT in cancer patients.
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Affiliation(s)
- Fernando Aranda
- Gustave Roussy; Villejuif, France ; INSERM, UMRS1138; Paris, France ; Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Centre de Recherche des Cordeliers; Paris, France ; Université Paris-Sud/Paris XI; Paris, France
| | - Erika Vacchelli
- Gustave Roussy; Villejuif, France ; INSERM, UMRS1138; Paris, France ; Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Centre de Recherche des Cordeliers; Paris, France ; Université Paris-Sud/Paris XI; Paris, France
| | - Florine Obrist
- Gustave Roussy; Villejuif, France ; INSERM, UMRS1138; Paris, France ; Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Centre de Recherche des Cordeliers; Paris, France ; Université Paris-Sud/Paris XI; Paris, France
| | | | - Jérôme Galon
- INSERM, UMRS1138; Paris, France ; Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France ; Université Pierre et Marie Curie/Paris VI; Paris, France ; Equipe 15, Centre de Recherche des Cordeliers; Paris, France
| | - Wolf Hervé Fridman
- INSERM, UMRS1138; Paris, France ; Université Pierre et Marie Curie/Paris VI; Paris, France ; Equipe 13, Centre de Recherche des Cordeliers; Paris, France ; Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France
| | - Isabelle Cremer
- INSERM, UMRS1138; Paris, France ; Université Pierre et Marie Curie/Paris VI; Paris, France ; Equipe 13, Centre de Recherche des Cordeliers; Paris, France ; Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France
| | - Eric Tartour
- Pôle de Biologie; Hôpital Européen Georges Pompidou; AP-HP; Paris, France ; INSERM, U970; Paris, France
| | - Laurence Zitvogel
- Gustave Roussy; Villejuif, France ; INSERM, U1015; CICBT507; Villejuif, France
| | - Guido Kroemer
- Pôle de Biologie; Hôpital Européen Georges Pompidou; AP-HP; Paris, France ; INSERM, UMRS1138; Paris, France ; Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Centre de Recherche des Cordeliers; Paris, France ; Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France ; Metabolomics and Cell Biology Platforms; Gustave Roussy; Villejuif, France
| | - Lorenzo Galluzzi
- Gustave Roussy; Villejuif, France ; Equipe 11 labellisée par la Ligue Nationale contre le Cancer; Centre de Recherche des Cordeliers; Paris, France ; Université Paris Descartes/Paris V; Sorbonne Paris Cité; Paris, France
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Rausch S, Kruck S, Stenzl A, Bedke J. IMA901 for metastatic renal cell carcinoma in the context of new approaches to immunotherapy. Future Oncol 2014; 10:937-48. [DOI: 10.2217/fon.14.61] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
ABSTRACT: The promising option of immunotherapy for metastatic renal cell carcinoma has evolved from rather unspecific approaches to a specific activation of an anti-tumor T-cell response. The latest step is a synthetic peptide vaccine called IMA901, which demonstrated a clear association between a provoked T-cell response and a prolonged overall survival. The results of IMA901 for the treatment of metastatic renal cell carcinoma are discussed together with new approaches to immunotherapy, such as local and systemic immunomodulation with adjuvants, checkpoint inhibitors, classical chemotherapeutics, such as cyclophosphamide or tyrosine kinase inhibitors. The capability of theses substances to modulate leukocytes subsets, such as myeloid-derived suppressor cells, Tregs or Th17 cells, are outlined together with the possibility to combine them with tumor vaccination strategies to achieve a higher cancer specificity and immunogenicity.
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Affiliation(s)
- Steffen Rausch
- Department of Urology, Eberhard Karls University Tübingen, Hoppe-Seyler-Straße 3, 72076 Tübingen, Germany
| | - Stephan Kruck
- Department of Urology, Eberhard Karls University Tübingen, Hoppe-Seyler-Straße 3, 72076 Tübingen, Germany
| | - Arnulf Stenzl
- Department of Urology, Eberhard Karls University Tübingen, Hoppe-Seyler-Straße 3, 72076 Tübingen, Germany
- German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jens Bedke
- Department of Urology, Eberhard Karls University Tübingen, Hoppe-Seyler-Straße 3, 72076 Tübingen, Germany
- German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
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50
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Loumagne L, Baudhuin J, Favier B, Montespan F, Carosella ED, Rouas-Freiss N. In vivo evidence that secretion of HLA-G by immunogenic tumor cells allows their evasion from immunosurveillance. Int J Cancer 2014; 135:2107-17. [PMID: 24623585 DOI: 10.1002/ijc.28845] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2013] [Accepted: 02/19/2014] [Indexed: 01/01/2023]
Abstract
Human leukocyte antigen-G (HLA-G) expression by tumors has been evidenced in numerous malignancies in association with poor prognosis and resistance to immunotherapy in humans. Particularly, soluble form of HLA-G was measured at high concentrations in malignant effusions and plasma from cancer patients, and inhibits antitumor immune cells in vitro through interaction with immunoglobulin-like transcript (ILT) receptors. Nevertheless, in vivo study demonstrating that HLA-G secretion by tumor cells allows their escape from immunosurveillance remained to be established. Despite nondescribed murine homolog, direct functional interaction of HLA-G with murine paired immunoglobulin-like receptor (PIR)-B, ortholog of human ILT receptors, enables to investigate its role in vivo. Immunocompetent mice were injected either with syngeneic tumor cells co-expressing HLA-G5, the main soluble HLA-G isoform, and the conformation stabilizer human β2-microglubulin (hβ2m), or with hβ2m+ HLA-G5- tumor cells. hβ2m expressed at both tumor cell surface acted as a tumor antigen triggering a specific humoral response. Interestingly, although hβ2m+ HLA-G5- tumors were rejected, secreted HLA-G5 provided hβ2m+ HLA-G5+ tumors a protection against hβ2m-elicited immune rejection, enabling such immunogenic tumors to grow similarly to a poorly immunogenic tumor. HLA-G5 tumor expression was associated with local and peripheral immunosuppression, characterized by dampened anti-hβ2m B-cell response, quantitative and functional T-and B-cell defects, accumulation of myeloid-derived suppressor cells able to inhibit T-cell proliferation and reduced T- and B-cell tumor infiltrate. Our study provides the first in vivo proof that soluble HLA-G counteracts tumor rejection and reinforces the importance to consider HLA-G as a promising target to optimize current cancer immunotherapies.
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Affiliation(s)
- Laure Loumagne
- CEA, IMETI, Service de Recherches en Hemato-Immunologie (SRHI), Hopital Saint-Louis, Paris, France; Institut Universitaire d'Hematologie (IUH), Hopital Saint-Louis, UMR_E5, Universite Paris-Diderot-Paris-7, Paris, France
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