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Qin L, Zhang H, Zhou Y, Umeshappa CS, Gao H. Nanovaccine-Based Strategies to Overcome Challenges in the Whole Vaccination Cascade for Tumor Immunotherapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2006000. [PMID: 33768693 DOI: 10.1002/smll.202006000] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 12/26/2020] [Indexed: 06/12/2023]
Abstract
Nanovaccine-based immunotherapy (NBI) has received greater attention recently for its potential to prime tumor-specific immunity and establish a long-term immune memory that prevents tumor recurrence. Despite encouraging results in the recent studies, there are still numerous challenges to be tackled for eliciting potent antitumor immunity using NBI strategies. Based on the principles that govern immune response, here it is proposed that these challenges need to be addressed at the five critical cascading events: Loading tumor-specific antigens by nanoscale drug delivery systems (L); Draining tumor antigens to lymph nodes (D); Internalization by dendritic cells (DCs) (I); Maturation of DCs by costimulatory signaling (M); and Presenting tumor-peptide-major histocompatibility complexes to T cells (P) (LDIMP cascade in short). This review provides a detailed and objective overview of emerging NBI strategies to improve the efficacy of nanovaccines in each step of the LDIMP cascade. It is concluded that the balance between each step must be optimized by delicate designing and modification of nanovaccines and by combining with complementary approaches to provide a synergistic immunity in the fight against cancer.
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Affiliation(s)
- Lin Qin
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
- Chongqing Vocational College of Transportation, Chongqing, 400715, China
| | - Huilin Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Yang Zhou
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Channakeshava Sokke Umeshappa
- Department of Microbiology, Immunology and Infectious Diseases, Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
| | - Huile Gao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
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2
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Sprooten J, Ceusters J, Coosemans A, Agostinis P, De Vleeschouwer S, Zitvogel L, Kroemer G, Galluzzi L, Garg AD. Trial watch: dendritic cell vaccination for cancer immunotherapy. Oncoimmunology 2019; 8:e1638212. [PMID: 31646087 PMCID: PMC6791419 DOI: 10.1080/2162402x.2019.1638212] [Citation(s) in RCA: 100] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 06/26/2019] [Indexed: 12/12/2022] Open
Abstract
Dendritic- cells (DCs) have received considerable attention as potential targets for the development of anticancer vaccines. DC-based anticancer vaccination relies on patient-derived DCs pulsed with a source of tumor-associated antigens (TAAs) in the context of standardized maturation-cocktails, followed by their reinfusion. Extensive evidence has confirmed that DC-based vaccines can generate TAA-specific, cytotoxic T cells. Nonetheless, clinical efficacy of DC-based vaccines remains suboptimal, reflecting the widespread immunosuppression within tumors. Thus, clinical interest is being refocused on DC-based vaccines as combinatorial partners for T cell-targeting immunotherapies. Here, we summarize the most recent preclinical/clinical development of anticancer DC vaccination and discuss future perspectives for DC-based vaccines in immuno-oncology.
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Affiliation(s)
- Jenny Sprooten
- Cell Death Research & Therapy (CDRT) unit, Department of Cellular & Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Jolien Ceusters
- Department of Oncology, Laboratory of Tumor Immunology and Immunotherapy, ImmunOvar Research Group, KU Leuven, Leuven Cancer Institute, Leuven, Belgium
| | - An Coosemans
- Department of Oncology, Laboratory of Tumor Immunology and Immunotherapy, ImmunOvar Research Group, KU Leuven, Leuven Cancer Institute, Leuven, Belgium
- Department of Gynecology and Obstetrics, UZ Leuven, Leuven, Belgium
| | - Patrizia Agostinis
- Cell Death Research & Therapy (CDRT) unit, Department of Cellular & Molecular Medicine, KU Leuven, Leuven, Belgium
- Center for Cancer Biology (CCB), VIB, Leuven, Belgium
| | - Steven De Vleeschouwer
- Research Group Experimental Neurosurgery and Neuroanatomy, KU Leuven, Leuven, Belgium
- Department of Neurosurgery, UZ Leuven, Leuven, Belgium
| | - Laurence Zitvogel
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- INSERM, Villejuif, France
- Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 1428, Villejuif, France
- Université Paris Sud/Paris XI, Le Kremlin-Bicêtre, France
| | - Guido Kroemer
- Equipe labellisée par la Ligue contre le cancer, Université de Paris, Sorbonne Université, INSERM U1138, Centre de Recherche des Cordeliers, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- Pôle de Biologie, Hôpital Européen Georges Pompidou, AP-HP, Paris, France
- Suzhou Institute for Systems Medicine, Chinese Academy of Sciences, Suzhou, China
- Department of Women’s and Children’s Health, Karolinska University Hospital, Stockholm, Sweden
| | - Lorenzo Galluzzi
- Department of Radiation Oncology, Weill Cornell Medical College, New York, NY, USA
- Sandra and Edward Meyer Cancer Center, New York, NY, USA
- Department of Dermatology, Yale School of Medicine, New Haven, CT, USA
- Université de Paris Descartes, Paris, France
| | - Abhishek D. Garg
- Cell Death Research & Therapy (CDRT) unit, Department of Cellular & Molecular Medicine, KU Leuven, Leuven, Belgium
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3
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Jia J, Zhang Y, Xin Y, Jiang C, Yan B, Zhai S. Interactions Between Nanoparticles and Dendritic Cells: From the Perspective of Cancer Immunotherapy. Front Oncol 2018; 8:404. [PMID: 30319969 PMCID: PMC6167641 DOI: 10.3389/fonc.2018.00404] [Citation(s) in RCA: 95] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 09/04/2018] [Indexed: 02/02/2023] Open
Abstract
Dendritic cells (DCs) are the primary antigen-presenting cells and play key roles in the orchestration of the innate and adaptive immune system. Targeting DCs by nanotechnology stands as a promising strategy for cancer immunotherapy. The physicochemical properties of nanoparticles (NPs) influence their interactions with DCs, thus altering the immune outcome of DCs by changing their functions in the processes of maturation, homing, antigen processing and antigen presentation. In this review, we summarize the recent progress in targeting DCs using NPs as a drug delivery carrier in cancer immunotherapy, the recognition of NPs by DCs, and the ways the physicochemical properties of NPs affect DCs' functions. Finally, the molecular pathways in DCs that are affected by NPs are also discussed.
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Affiliation(s)
- Jianbo Jia
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou, China
| | - Yi Zhang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, China
| | - Yan Xin
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, China
| | - Cuijuan Jiang
- School of Environmental Science and Engineering, Shandong University, Jinan, China
| | - Bing Yan
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou, China.,School of Environmental Science and Engineering, Shandong University, Jinan, China
| | - Shumei Zhai
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, China
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4
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Goyvaerts C, Breckpot K. The Journey of in vivo Virus Engineered Dendritic Cells From Bench to Bedside: A Bumpy Road. Front Immunol 2018; 9:2052. [PMID: 30254636 PMCID: PMC6141723 DOI: 10.3389/fimmu.2018.02052] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 08/20/2018] [Indexed: 12/13/2022] Open
Abstract
Dendritic cells (DCs) are recognized as highly potent antigen-presenting cells that are able to stimulate cytotoxic T lymphocyte (CTL) responses with antitumor activity. Consequently, DCs have been explored as cellular vaccines in cancer immunotherapy. To that end, DCs are modified with tumor antigens to enable presentation of antigen-derived peptides to CTLs. In this review we discuss the use of viral vectors for in situ modification of DCs, focusing on their clinical applications as anticancer vaccines. Among the viral vectors discussed are those derived from viruses belonging to the families of the Poxviridae, Adenoviridae, Retroviridae, Togaviridae, Paramyxoviridae, and Rhabdoviridae. We will further shed light on how the combination of viral vector-based vaccination with T-cell supporting strategies will bring this strategy to the next level.
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5
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Improved Induction of Anti-Melanoma T Cells by Adenovirus-5/3 Fiber Modification to Target Human DCs. Vaccines (Basel) 2018; 6:vaccines6030042. [PMID: 30022005 PMCID: PMC6161112 DOI: 10.3390/vaccines6030042] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 07/12/2018] [Accepted: 07/16/2018] [Indexed: 12/14/2022] Open
Abstract
To mount a strong anti-tumor immune response, non T cell inflamed (cold) tumors may require combination treatment encompassing vaccine strategies preceding checkpoint inhibition. In vivo targeted delivery of tumor-associated antigens (TAA) to dendritic cells (DCs), relying on the natural functions of primary DCs in situ, represents an attractive vaccination strategy. In this study we made use of a full-length MART-1 expressing C/B-chimeric adenoviral vector, consisting of the Ad5 capsid and the Ad3 knob (Ad5/3), which we previously showed to selectively transduce DCs in human skin and lymph nodes. Our data demonstrate that chimeric Ad5/3 vectors encoding TAA, and able to target human DCs in situ, can be used to efficiently induce expansion of functional tumor-specific CD8+ effector T cells, either from a naïve T cell pool or from previously primed T cells residing in the melanoma-draining sentinel lymph nodes (SLN). These data support the use of Ad3-knob containing viruses as vaccine vehicles for in vivo delivery. “Off-the-shelf” DC-targeted Ad vaccines encoding TAA could clearly benefit future immunotherapeutic approaches.
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6
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Sharma PK, Dmitriev IP, Kashentseva EA, Raes G, Li L, Kim SW, Lu ZH, Arbeit JM, Fleming TP, Kaliberov SA, Goedegebuure SP, Curiel DT, Gillanders WE. Development of an adenovirus vector vaccine platform for targeting dendritic cells. Cancer Gene Ther 2018; 25:27-38. [PMID: 29242639 PMCID: PMC5972836 DOI: 10.1038/s41417-017-0002-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 08/04/2017] [Accepted: 08/07/2017] [Indexed: 12/16/2022]
Abstract
Adenoviral (Ad) vector vaccines represent one of the most promising modern vaccine platforms, and Ad vector vaccines are currently being investigated in human clinical trials for infectious disease and cancer. Our studies have shown that specific targeting of adenovirus to dendritic cells dramatically enhanced vaccine efficacy. However, this was achieved using a molecular adapter, thereby necessitating a two component vector approach. To address the mandates of clinical translation of our strategy, we here sought to accomplish the goal of DC targeting with a single-component adenovirus vector approach. To redirect the specificity of Ad vector vaccines, we replaced the Ad fiber knob with fiber-fibritin chimeras fused to DC1.8, a single-domain antibody (sdAb) specific for murine immature DC. We engineered a fiber-fibritin-sdAb chimeric molecule using the coding sequence for DC1.8, and then replaced the native Ad5 fiber knob sequence by homologous recombination. The resulting Ad5 virus, Ad5FF1.8, expresses the chimeric fiber-fibritin sdAb chimera. Infection with Ad5FF1.8 dramatically enhances transgene expression in DC2.4 dendritic cells compared with infection with native Ad5. Ad5FF1.8 infection of bone marrow-derived DC demonstrates that Ad5FF1.8 selectively infects immature DC consistent with the known specificity of DC1.8. Thus, sdAb can be used to selectively redirect the tropism of Ad5 vector vaccines, providing the opportunity to engineer Ad vector vaccines that are specifically targeted to DC, or specific DC subsets.
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Affiliation(s)
- Piyush K Sharma
- Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - Igor P Dmitriev
- Cancer Biology Division, Biologic Therapeutics Center, Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO, USA
| | - Elena A Kashentseva
- Cancer Biology Division, Biologic Therapeutics Center, Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO, USA
| | - Geert Raes
- Laboratory of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium
- VIB Center for Inflammation Research, Myeloid Cell Immunology Laboratory, Brussels, Belgium
| | - Lijin Li
- Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - Samuel W Kim
- Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - Zhi-Hong Lu
- Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - Jeffrey M Arbeit
- Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA
- The Alvin J. Siteman Cancer Center, Barnes-Jewish Hospital and Washington University School of Medicine, St. Louis, MO, USA
| | - Timothy P Fleming
- Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA
- The Alvin J. Siteman Cancer Center, Barnes-Jewish Hospital and Washington University School of Medicine, St. Louis, MO, USA
| | - Sergey A Kaliberov
- Cancer Biology Division, Biologic Therapeutics Center, Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO, USA
| | - S Peter Goedegebuure
- Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA
- The Alvin J. Siteman Cancer Center, Barnes-Jewish Hospital and Washington University School of Medicine, St. Louis, MO, USA
| | - David T Curiel
- Cancer Biology Division, Biologic Therapeutics Center, Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO, USA.
| | - William E Gillanders
- Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA
- The Alvin J. Siteman Cancer Center, Barnes-Jewish Hospital and Washington University School of Medicine, St. Louis, MO, USA
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7
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Chen P, Liu X, Sun Y, Zhou P, Wang Y, Zhang Y. Dendritic cell targeted vaccines: Recent progresses and challenges. Hum Vaccin Immunother 2017; 12:612-22. [PMID: 26513200 DOI: 10.1080/21645515.2015.1105415] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Dendritic cells (DCs) are known to be a set of morphology, structure and function of heterogeneous professional antigen presenting cells (APCs), as well as the strongest functional antigen presenting cells, which can absorb, process and present antigens. As the key regulators of innate and adaptive immune responses, DCs are at the center of the immune system and capable of interacting with both B cells and T cells, thereby manipulating the humoral and cellular immune responses. DCs provide an essential link between the innate and adaptive immunity, and the strong immune activation function of DCs and their properties of natural adjuvants, make them a valuable target for antigen delivery. Targeting antigens to DC-specific endocytic receptors in combination with the relevant antibodies or ligands along with immunostimulatory adjuvants has been recently recognized as a promising strategy for designing an effective vaccine that elicits a strong and durable T cell response against intracellular pathogens and cancer. This opinion article provides a brief summary of the rationales, superiorities and challenges of existing DC-targeting approaches.
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Affiliation(s)
- Pengfei Chen
- a State Key Laboratory of Veterinary Etiological Biology, OIE/National Foot and Mouth Disease Reference Laboratory, Key Laboratory of Animal Virology of Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences , Lanzhou , China
| | - Xinsheng Liu
- a State Key Laboratory of Veterinary Etiological Biology, OIE/National Foot and Mouth Disease Reference Laboratory, Key Laboratory of Animal Virology of Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences , Lanzhou , China
| | - Yuefeng Sun
- a State Key Laboratory of Veterinary Etiological Biology, OIE/National Foot and Mouth Disease Reference Laboratory, Key Laboratory of Animal Virology of Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences , Lanzhou , China
| | - Peng Zhou
- a State Key Laboratory of Veterinary Etiological Biology, OIE/National Foot and Mouth Disease Reference Laboratory, Key Laboratory of Animal Virology of Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences , Lanzhou , China
| | - Yonglu Wang
- a State Key Laboratory of Veterinary Etiological Biology, OIE/National Foot and Mouth Disease Reference Laboratory, Key Laboratory of Animal Virology of Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences , Lanzhou , China
| | - Yongguang Zhang
- a State Key Laboratory of Veterinary Etiological Biology, OIE/National Foot and Mouth Disease Reference Laboratory, Key Laboratory of Animal Virology of Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences , Lanzhou , China
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8
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van Dinther D, Stolk DA, van de Ven R, van Kooyk Y, de Gruijl TD, den Haan JMM. Targeting C-type lectin receptors: a high-carbohydrate diet for dendritic cells to improve cancer vaccines. J Leukoc Biol 2017; 102:1017-1034. [PMID: 28729358 PMCID: PMC5597514 DOI: 10.1189/jlb.5mr0217-059rr] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 06/13/2017] [Accepted: 06/16/2017] [Indexed: 12/23/2022] Open
Abstract
There is a growing understanding of why certain patients do or do not respond to checkpoint inhibition therapy. This opens new opportunities to reconsider and redevelop vaccine strategies to prime an anticancer immune response. Combination of such vaccines with checkpoint inhibitors will both provide the fuel and release the brake for an efficient anticancer response. Here, we discuss vaccine strategies that use C-type lectin receptor (CLR) targeting of APCs, such as dendritic cells and macrophages. APCs are a necessity for the priming of antigen-specific cytotoxic and helper T cells. Because CLRs are natural carbohydrate-recognition receptors highly expressed by multiple subsets of APCs and involved in uptake and processing of Ags for presentation, these receptors seem particularly interesting for targeting purposes.
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Affiliation(s)
- Dieke van Dinther
- Department of Molecular Cell Biology and Immunology, Cancer Center Amsterdam, VU University Medical Center, Amsterdam, The Netherlands; and
| | - Dorian A Stolk
- Department of Molecular Cell Biology and Immunology, Cancer Center Amsterdam, VU University Medical Center, Amsterdam, The Netherlands; and
| | - Rieneke van de Ven
- Department of Medical Oncology, Cancer Center Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
| | - Yvette van Kooyk
- Department of Molecular Cell Biology and Immunology, Cancer Center Amsterdam, VU University Medical Center, Amsterdam, The Netherlands; and
| | - Tanja D de Gruijl
- Department of Medical Oncology, Cancer Center Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
| | - Joke M M den Haan
- Department of Molecular Cell Biology and Immunology, Cancer Center Amsterdam, VU University Medical Center, Amsterdam, The Netherlands; and
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9
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Garg AD, Vara Perez M, Schaaf M, Agostinis P, Zitvogel L, Kroemer G, Galluzzi L. Trial watch: Dendritic cell-based anticancer immunotherapy. Oncoimmunology 2017; 6:e1328341. [PMID: 28811970 DOI: 10.1080/2162402x.2017.1328341] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Accepted: 05/05/2017] [Indexed: 12/11/2022] Open
Abstract
Dendritic cell (DC)-based vaccines against cancer have been extensively developed over the past two decades. Typically DC-based cancer immunotherapy entails loading patient-derived DCs with an appropriate source of tumor-associated antigens (TAAs) and efficient DC stimulation through a so-called "maturation cocktail" (typically a combination of pro-inflammatory cytokines and Toll-like receptor agonists), followed by DC reintroduction into patients. DC vaccines have been documented to (re)activate tumor-specific T cells in both preclinical and clinical settings. There is considerable clinical interest in combining DC-based anticancer vaccines with T cell-targeting immunotherapies. This reflects the established capacity of DC-based vaccines to generate a pool of TAA-specific effector T cells and facilitate their infiltration into the tumor bed. In this Trial Watch, we survey the latest trends in the preclinical and clinical development of DC-based anticancer therapeutics. We also highlight how the emergence of immune checkpoint blockers and adoptive T-cell transfer-based approaches has modified the clinical niche for DC-based vaccines within the wide cancer immunotherapy landscape.
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Affiliation(s)
- Abhishek D Garg
- Cell Death Research & Therapy (CDRT) Lab, Department of Cellular & Molecular Medicine, KU Leuven University of Leuven, Leuven, Belgium
| | - Monica Vara Perez
- Cell Death Research & Therapy (CDRT) Lab, Department of Cellular & Molecular Medicine, KU Leuven University of Leuven, Leuven, Belgium
| | - Marco Schaaf
- Cell Death Research & Therapy (CDRT) Lab, Department of Cellular & Molecular Medicine, KU Leuven University of Leuven, Leuven, Belgium
| | - Patrizia Agostinis
- Cell Death Research & Therapy (CDRT) Lab, Department of Cellular & Molecular Medicine, KU Leuven University of Leuven, Leuven, Belgium
| | - Laurence Zitvogel
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France.,INSERM, U1015, Villejuif, France.,Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 1428, Villejuif, France.,Université Paris Sud/Paris XI, Le Kremlin-Bicêtre, France
| | - Guido Kroemer
- Université Paris Descartes/Paris V, Paris, France.,Université Pierre et Marie Curie/Paris VI, Paris, France.,Equipe 11 labellisée Ligue contre le Cancer, Centre de Recherche des Cordeliers, Paris, France.,INSERM, U1138, Paris, France.,Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France.,Karolinska Institute, Department of Women's and Children's Health, Karolinska University Hospital, Stockholm, Sweden.,Pôle de Biologie, Hopitâl Européen George Pompidou, AP-HP, Paris, France
| | - Lorenzo Galluzzi
- Université Paris Descartes/Paris V, Paris, France.,Department of Radiation Oncology, Weill Cornell Medical College, New York, NY, USA.,Sandra and Edward Meyer Cancer Center, New York, NY, USA
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10
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Abstract
Human adenovirus (Ad) has been used extensively to develop gene transfer vectors for vaccine and gene therapy applications. A major factor limiting the efficacy of the current generation of Ad vectors is their inability to accomplish specific gene delivery to the cells of interest. Transductional targeting strategies seek to redirect virus binding to the appropriate cellular receptor to increase infection efficiency in selected cell types to achieve therapeutic intervention. These efforts mainly focused on incorporating targeting ligands by means of chemical conjugation or genetic modification of Ad capsid proteins and using bispecific adapter molecules to mediate virus recognition of target cells. This review summarizes current progress in Ad tropism modification maneuvers that embody genetic capsid modification and adapter-based approaches that have encouraging implications for further development of advanced vectors suitable for clinical translation.
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11
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Pros and Cons of Antigen-Presenting Cell Targeted Tumor Vaccines. J Immunol Res 2015; 2015:785634. [PMID: 26583156 PMCID: PMC4637118 DOI: 10.1155/2015/785634] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2015] [Revised: 08/26/2015] [Accepted: 09/03/2015] [Indexed: 01/08/2023] Open
Abstract
In therapeutic antitumor vaccination, dendritic cells play the leading role since they decide if, how, when, and where a potent antitumor immune response will take place. Since the disentanglement of the complexity and merit of different antigen-presenting cell subtypes, antitumor immunotherapeutic research started to investigate the potential benefit of targeting these subtypes in situ. This review will discuss which antigen-presenting cell subtypes are at play and how they have been targeted and finally question the true meaning of targeting antitumor-based vaccines.
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12
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Incorporation of porcine adenovirus 4 fiber protein enhances infectivity of adenovirus vector on dendritic cells: implications for immune-mediated cancer therapy. PLoS One 2015; 10:e0125851. [PMID: 25933160 PMCID: PMC4416912 DOI: 10.1371/journal.pone.0125851] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Accepted: 03/26/2015] [Indexed: 12/22/2022] Open
Abstract
One strategy in cancer immunotherapy is to capitalize on the key immunoregulatory and antigen presenting capabilities of dendritic cells (DCs). This approach is dependent on efficient delivery of tumor specific antigens to DCs, which subsequently induce an anti-tumor T-cell mediated immune response. Human adenovirus serotype 5 (HAdV5) has been used in human studies for gene delivery, but has limited infection in DCs, which lack the proper receptors. Addition of the porcine fiber knob (PK) from porcine adenovirus type 4 to HAdV5 allows the virus to deliver genetic material via binding to glycosylated surface proteins and bypasses the coxsackie-and-adenovirus receptor required by wild-type HAdV5. In this study we explored the potential therapeutic applications of an adenovirus with PK-based tropism against cancers expressing mesothelin. Infectivity and gene transfer assays were used to compare Ad5-PK to wild-type HAdV5. Mouse models were used to demonstrate peptide specificity and T-cell responses. We show that the PK modification highly augmented infection of DCs, including the CD141+ DC subset, a key subset for activation of naïve CD8+ T-cells. We also show that Ad5-PK increases DC infectivity and tumor specific antigen expression. Finally, vaccination of mice with the Ad5-PK vector resulted in enhanced T-cell-mediated interferon gamma (IFN-γ) release in response to both mesothelin peptide and a tumor line expressing mesothelin. Ad5-PK is a promising tool for cancer immunotherapy as it improves infectivity, gene transfer, protein expression, and subsequent T-cell activation in DCs compared to wild-type HAdV5 viruses.
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13
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Rosalia RA, Cruz LJ, van Duikeren S, Tromp AT, Silva AL, Jiskoot W, de Gruijl T, Löwik C, Oostendorp J, van der Burg SH, Ossendorp F. CD40-targeted dendritic cell delivery of PLGA-nanoparticle vaccines induce potent anti-tumor responses. Biomaterials 2015; 40:88-97. [DOI: 10.1016/j.biomaterials.2014.10.053] [Citation(s) in RCA: 199] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Accepted: 10/19/2014] [Indexed: 12/14/2022]
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14
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Galluzzi L, Vacchelli E, Pedro JMBS, Buqué A, Senovilla L, Baracco EE, Bloy N, Castoldi F, Abastado JP, Agostinis P, Apte RN, Aranda F, Ayyoub M, Beckhove P, Blay JY, Bracci L, Caignard A, Castelli C, Cavallo F, Celis E, Cerundolo V, Clayton A, Colombo MP, Coussens L, Dhodapkar MV, Eggermont AM, Fearon DT, Fridman WH, Fučíková J, Gabrilovich DI, Galon J, Garg A, Ghiringhelli F, Giaccone G, Gilboa E, Gnjatic S, Hoos A, Hosmalin A, Jäger D, Kalinski P, Kärre K, Kepp O, Kiessling R, Kirkwood JM, Klein E, Knuth A, Lewis CE, Liblau R, Lotze MT, Lugli E, Mach JP, Mattei F, Mavilio D, Melero I, Melief CJ, Mittendorf EA, Moretta L, Odunsi A, Okada H, Palucka AK, Peter ME, Pienta KJ, Porgador A, Prendergast GC, Rabinovich GA, Restifo NP, Rizvi N, Sautès-Fridman C, Schreiber H, Seliger B, Shiku H, Silva-Santos B, Smyth MJ, Speiser DE, Spisek R, Srivastava PK, Talmadge JE, Tartour E, Van Der Burg SH, Van Den Eynde BJ, Vile R, Wagner H, Weber JS, Whiteside TL, Wolchok JD, Zitvogel L, Zou W, Kroemer G. Classification of current anticancer immunotherapies. Oncotarget 2014; 5:12472-508. [PMID: 25537519 PMCID: PMC4350348 DOI: 10.18632/oncotarget.2998] [Citation(s) in RCA: 319] [Impact Index Per Article: 31.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2014] [Accepted: 12/15/2014] [Indexed: 11/25/2022] Open
Abstract
During the past decades, anticancer immunotherapy has evolved from a promising therapeutic option to a robust clinical reality. Many immunotherapeutic regimens are now approved by the US Food and Drug Administration and the European Medicines Agency for use in cancer patients, and many others are being investigated as standalone therapeutic interventions or combined with conventional treatments in clinical studies. Immunotherapies may be subdivided into "passive" and "active" based on their ability to engage the host immune system against cancer. Since the anticancer activity of most passive immunotherapeutics (including tumor-targeting monoclonal antibodies) also relies on the host immune system, this classification does not properly reflect the complexity of the drug-host-tumor interaction. Alternatively, anticancer immunotherapeutics can be classified according to their antigen specificity. While some immunotherapies specifically target one (or a few) defined tumor-associated antigen(s), others operate in a relatively non-specific manner and boost natural or therapy-elicited anticancer immune responses of unknown and often broad specificity. Here, we propose a critical, integrated classification of anticancer immunotherapies and discuss the clinical relevance of these approaches.
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Affiliation(s)
- Lorenzo Galluzzi
- Equipe 11 labellisée pas la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
- INSERM, U1138, Paris, France
- Gustave Roussy Cancer Campus, Villejuif, France
- Université Paris Descartes/Paris V, Sorbonne Paris Cité, Paris, France
| | - Erika Vacchelli
- Equipe 11 labellisée pas la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
- INSERM, U1138, Paris, France
- Gustave Roussy Cancer Campus, Villejuif, France
| | - José-Manuel Bravo-San Pedro
- Equipe 11 labellisée pas la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
- INSERM, U1138, Paris, France
- Gustave Roussy Cancer Campus, Villejuif, France
| | - Aitziber Buqué
- Equipe 11 labellisée pas la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
- INSERM, U1138, Paris, France
- Gustave Roussy Cancer Campus, Villejuif, France
| | - Laura Senovilla
- Equipe 11 labellisée pas la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
- INSERM, U1138, Paris, France
- Gustave Roussy Cancer Campus, Villejuif, France
| | - Elisa Elena Baracco
- Equipe 11 labellisée pas la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
- INSERM, U1138, Paris, France
- Gustave Roussy Cancer Campus, Villejuif, France
- Faculté de Medicine, Université Paris Sud/Paris XI, Le Kremlin-Bicêtre, France
| | - Norma Bloy
- Equipe 11 labellisée pas la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
- INSERM, U1138, Paris, France
- Gustave Roussy Cancer Campus, Villejuif, France
- Faculté de Medicine, Université Paris Sud/Paris XI, Le Kremlin-Bicêtre, France
| | - Francesca Castoldi
- Equipe 11 labellisée pas la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
- INSERM, U1138, Paris, France
- Gustave Roussy Cancer Campus, Villejuif, France
- Faculté de Medicine, Université Paris Sud/Paris XI, Le Kremlin-Bicêtre, France
- Sotio a.c., Prague, Czech Republic
| | - Jean-Pierre Abastado
- Pole d'innovation thérapeutique en oncologie, Institut de Recherches Internationales Servier, Suresnes, France
| | - Patrizia Agostinis
- Cell Death Research and Therapy (CDRT) Laboratory, Dept. of Cellular and Molecular Medicine, University of Leuven, Leuven, Belgium
| | - Ron N. Apte
- The Shraga Segal Dept. of Microbiology, Immunology and Genetics, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Fernando Aranda
- Equipe 11 labellisée pas la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
- INSERM, U1138, Paris, France
- Gustave Roussy Cancer Campus, Villejuif, France
- Group of Immune receptors of the Innate and Adaptive System, Institut d'Investigacions Biomédiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Maha Ayyoub
- INSERM, U1102, Saint Herblain, France
- Institut de Cancérologie de l'Ouest, Saint Herblain, France
| | - Philipp Beckhove
- Translational Immunology Division, German Cancer Research Center, Heidelberg, Germany
| | - Jean-Yves Blay
- Equipe 11, Centre Léon Bérard (CLR), Lyon, France
- Centre de Recherche en Cancérologie de Lyon (CRCL), Lyon, France
| | - Laura Bracci
- Dept. of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Anne Caignard
- INSERM, U1160, Paris, France
- Groupe Hospitalier Saint Louis-Lariboisière - F. Vidal, Paris, France
| | - Chiara Castelli
- Unit of Immunotherapy of Human Tumors, Dept. of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale Tumori, Milano, Italy
| | - Federica Cavallo
- Molecular Biotechnology Center, Dept. of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Estaban Celis
- Cancer Immunology, Inflammation and Tolerance Program, Georgia Regents University Cancer Center, Augusta, GA, USA
| | - Vincenzo Cerundolo
- MRC Human Immunology Unit, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Aled Clayton
- Institute of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, UK
- Velindre Cancer Centre, Cardiff, UK
| | - Mario P. Colombo
- Unit of Immunotherapy of Human Tumors, Dept. of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale Tumori, Milano, Italy
| | - Lisa Coussens
- Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA
| | - Madhav V. Dhodapkar
- Sect. of Hematology and Immunobiology, Yale Cancer Center, Yale University, New Haven, CT, USA
| | | | | | - Wolf H. Fridman
- INSERM, U1138, Paris, France
- Université Paris Descartes/Paris V, Sorbonne Paris Cité, Paris, France
- Université Pierre et Marie Curie/Paris VI, Paris, France
- Equipe 13, Centre de Recherche des Cordeliers, Paris, France
| | - Jitka Fučíková
- Sotio a.c., Prague, Czech Republic
- Dept. of Immunology, 2nd Faculty of Medicine and University Hospital Motol, Charles University, Prague, Czech Republic
| | - Dmitry I. Gabrilovich
- Dept. of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Jérôme Galon
- INSERM, U1138, Paris, France
- Université Paris Descartes/Paris V, Sorbonne Paris Cité, Paris, France
- Université Pierre et Marie Curie/Paris VI, Paris, France
- Laboratory of Integrative Cancer Immunology, Centre de Recherche des Cordeliers, Paris, France
| | - Abhishek Garg
- Cell Death Research and Therapy (CDRT) Laboratory, Dept. of Cellular and Molecular Medicine, University of Leuven, Leuven, Belgium
| | - François Ghiringhelli
- INSERM, UMR866, Dijon, France
- Centre Georges François Leclerc, Dijon, France
- Université de Bourgogne, Dijon, France
| | - Giuseppe Giaccone
- Center for Cancer Research, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA
- Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, USA
| | - Eli Gilboa
- Dept. of Microbiology and Immunology, Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Sacha Gnjatic
- Sect. of Hematology/Oncology, Immunology, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Axel Hoos
- Glaxo Smith Kline, Cancer Immunotherapy Consortium, Collegeville, PA, USA
| | - Anne Hosmalin
- Université Paris Descartes/Paris V, Sorbonne Paris Cité, Paris, France
- INSERM, U1016, Paris, France
- CNRS, UMR8104, Paris, France
- Hôpital Cochin, AP-HP, Paris, France
| | - Dirk Jäger
- National Center for Tumor Diseases, University Medical Center Heidelberg, Heidelberg, Germany
| | - Pawel Kalinski
- Dept. of Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- University of Pittsburgh Cancer Institute, Hillman Cancer Center, Pittsburgh, PA, USA
- Dept. of Immunology and Infectious Diseases and Microbiology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Klas Kärre
- Dept. of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden
| | - Oliver Kepp
- Equipe 11 labellisée pas la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
- INSERM, U1138, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France
| | - Rolf Kiessling
- Dept. of Oncology, Karolinska Institute Hospital, Stockholm, Sweden
| | - John M. Kirkwood
- University of Pittsburgh Cancer Institute Laboratory, Pittsburgh, PA, USA
| | - Eva Klein
- Dept. of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden
| | - Alexander Knuth
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha, Qatar
| | - Claire E. Lewis
- Academic Unit of Inflammation and Tumour Targeting, Dept. of Oncology, University of Sheffield Medical School, Sheffield, UK
| | - Roland Liblau
- INSERM, UMR1043, Toulouse, France
- CNRS, UMR5282, Toulouse, France
- Laboratoire d'Immunologie, CHU Toulouse, Université Toulouse II, Toulouse, France
| | - Michael T. Lotze
- Dept. of Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- University of Pittsburgh Cancer Institute, Hillman Cancer Center, Pittsburgh, PA, USA
| | - Enrico Lugli
- Unit of Clinical and Experimental Immunology, Humanitas Clinical and Research Institute, Rozzano, Italy
| | - Jean-Pierre Mach
- Dept. of Biochemistry, University of Lausanne, Epalinges, Switzerland
| | - Fabrizio Mattei
- Dept. of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Domenico Mavilio
- Unit of Clinical and Experimental Immunology, Humanitas Clinical and Research Institute, Rozzano, Italy
- Dept. of Medical Biotechnologies and Translational Medicine, University of Milan, Rozzano, Italy
| | - Ignacio Melero
- Dept. of Immunology, Centro de Investigación Médica Aplicada (CIMA), Universidad de Navarra, Pamplona, Spain
- Dept. of Oncology, Clínica Universidad de Navarra, Pamplona, Spain
| | - Cornelis J. Melief
- ISA Therapeutics, Leiden, The Netherlands
- Dept. of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands
| | - Elizabeth A. Mittendorf
- Research Dept. of Surgical Oncology, The University of Texas, MD Anderson Cancer Center, Houston, TX, USA
| | | | - Adekunke Odunsi
- Center for Immunotherapy, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Hideho Okada
- Dept. of Neurological Surgery, University of California San Francisco, San Francisco, CA, USA
| | | | - Marcus E. Peter
- Div. of Hematology/Oncology, Northwestern University, Feinberg School of Medicine, Chicago, IL, USA
| | - Kenneth J. Pienta
- The James Buchanan Brady Urological Institute, The Johns Hopkins Medical Institutions, Baltimore, MD, USA
| | - Angel Porgador
- The Shraga Segal Dept. of Microbiology, Immunology and Genetics, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - George C. Prendergast
- Lankenau Institute for Medical Research, Wynnewood, PA, USA
- Dept. of Pathology, Anatomy and Cell Biology, Sidney Kimmel Medical College, Philadelphia, PA, USA
- Cell Biology and Signaling Program, Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Gabriel A. Rabinovich
- Laboratorio de Inmunopatología, Instituto de Biología y Medicina Experimental (IBYME), Buenos Aires, Argentina
| | - Nicholas P. Restifo
- National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Naiyer Rizvi
- Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY, USA
| | - Catherine Sautès-Fridman
- INSERM, U1138, Paris, France
- Université Paris Descartes/Paris V, Sorbonne Paris Cité, Paris, France
- Université Pierre et Marie Curie/Paris VI, Paris, France
- Equipe 13, Centre de Recherche des Cordeliers, Paris, France
| | - Hans Schreiber
- Dept. of Pathology, The Cancer Research Center, The University of Chicago, Chicago, IL, USA
| | - Barbara Seliger
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Hiroshi Shiku
- Dept. of Immuno-GeneTherapy, Mie University Graduate School of Medicine, Tsu, Japan
| | - Bruno Silva-Santos
- Instituto de Medicina Molecular, Universidade de Lisboa, Lisboa, Portugal
| | - Mark J. Smyth
- Immunology in Cancer and Infection Laboratory, QIMR Berghofer Medical Research Institute, Herston, Queensland, Australia
- School of Medicine, University of Queensland, Herston, Queensland, Australia
| | - Daniel E. Speiser
- Dept. of Oncology, University of Lausanne, Lausanne, Switzerland
- Ludwig Cancer Research Center, Lausanne, Switzerland
| | - Radek Spisek
- Sotio a.c., Prague, Czech Republic
- Dept. of Immunology, 2nd Faculty of Medicine and University Hospital Motol, Charles University, Prague, Czech Republic
| | - Pramod K. Srivastava
- Dept. of Immunology, University of Connecticut School of Medicine, Farmington, CT, USA
- Carole and Ray Neag Comprehensive Cancer Center, Farmington, CT, USA
| | - James E. Talmadge
- Laboratory of Transplantation Immunology, Dept. of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, USA
| | - 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
| | | | - Benoît J. Van Den Eynde
- Ludwig Institute for Cancer Research, Brussels, Belgium
- de Duve Institute, Brussels, Belgium
- Université Catholique de Louvain, Brussels, Belgium
| | - Richard Vile
- Dept. of Molecular Medicine and Immunology, Mayo Clinic College of Medicine, Rochester, MN, USA
| | - Hermann Wagner
- Institute of Medical Microbiology, Immunology and Hygiene, Technical University Munich, Munich, Germany
| | - Jeffrey S. Weber
- Donald A. Adam Comprehensive Melanoma Research Center, Moffitt Cancer Center, Tampa, FL, USA
| | - Theresa L. Whiteside
- University of Pittsburgh Cancer Institute, Hillman Cancer Center, Pittsburgh, PA, USA
- University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Jedd D. Wolchok
- Dept. of Medicine and Ludwig Center, Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY, USA
- Weill Cornell Medical College, New York, NY, USA
| | - Laurence Zitvogel
- Gustave Roussy Cancer Campus, Villejuif, France
- INSERM, U1015, Villejuif, France
- Centre d'Investigation Clinique Biothérapie 507 (CICBT507), Gustave Roussy Cancer Campus, Villejuif, France
| | - Weiping Zou
- University of Michigan, School of Medicine, Ann Arbor, MI, USA
| | - Guido Kroemer
- Equipe 11 labellisée pas la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
- INSERM, U1138, Paris, France
- Université Paris Descartes/Paris V, Sorbonne Paris Cité, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France
- Pôle de Biologie, Hôpital Européen Georges Pompidou (HEGP), AP-HP, Paris, France
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15
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Bloy N, Pol J, Aranda F, Eggermont A, Cremer I, Fridman WH, Fučíková J, Galon J, Tartour E, Spisek R, Dhodapkar MV, Zitvogel L, Kroemer G, Galluzzi L. Trial watch: Dendritic cell-based anticancer therapy. Oncoimmunology 2014; 3:e963424. [PMID: 25941593 DOI: 10.4161/21624011.2014.963424] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Accepted: 09/05/2014] [Indexed: 02/06/2023] Open
Abstract
The use of patient-derived dendritic cells (DCs) as a means to elicit therapeutically relevant immune responses in cancer patients has been extensively investigated throughout the past decade. In this context, DCs are generally expanded, exposed to autologous tumor cell lysates or loaded with specific tumor-associated antigens (TAAs), and then reintroduced into patients, often in combination with one or more immunostimulatory agents. As an alternative, TAAs are targeted to DCs in vivo by means of monoclonal antibodies, carbohydrate moieties or viral vectors specific for DC receptors. All these approaches have been shown to (re)activate tumor-specific immune responses in mice, often mediating robust therapeutic effects. In 2010, the first DC-based preparation (sipuleucel-T, also known as Provenge®) has been approved by the US Food and Drug Administration (FDA) for use in humans. Reflecting the central position occupied by DCs in the regulation of immunological tolerance and adaptive immunity, the interest in harnessing them for the development of novel immunotherapeutic anticancer regimens remains high. Here, we summarize recent advances in the preclinical and clinical development of DC-based anticancer therapeutics.
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Key Words
- DC, dendritic cell
- DC-based vaccination
- FDA, Food and Drug Administration
- IFN, interferon
- MRC1, mannose receptor, C type 1
- MUC1, mucin 1
- TAA, tumor-associated antigen
- TLR, Toll-like receptor
- Toll-like receptor agonists
- Treg, regulatory T cell
- WT1, Wilms tumor 1
- antigen cross-presentation
- autophagy
- iDC, immature DC
- immunogenic cell death
- mDC, mature DC
- pDC, plasmacytoid DC
- regulatory T cells
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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; Centre de Recherche des Cordeliers ; Paris France ; Université Paris-Sud/Paris XI ; Orsay, France
| | - Jonathan Pol
- 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
| | - 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
| | | | - 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 Fučíková
- Department of Immunology; 2nd Medical School Charles University and University Hospital Motol ; Prague, Czech Republic ; Sotio a.s. ; 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
| | - 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
| | - Radek Spisek
- Department of Immunology; 2nd Medical School Charles University and University Hospital Motol ; Prague, Czech Republic ; Sotio a.s. ; Prague, Czech Republic
| | - Madhav V Dhodapkar
- Department of Medicine; Immunobiology and Yale Cancer Center; Yale University ; New Haven, CT USA
| | - 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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16
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Belcaid Z, Lamfers MLM, van Beusechem VW, Hoeben RC. Changing faces in virology: the dutch shift from oncogenic to oncolytic viruses. Hum Gene Ther 2014; 25:875-84. [PMID: 25141764 DOI: 10.1089/hum.2014.092] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Viruses have two opposing faces. On the one hand, they can cause harm and disease. A virus may manifest directly as a contagious disease with a clinical pathology of varying significance. A viral infection can also have delayed consequences, and in rare cases may cause cellular transformation and cancer. On the other hand, viruses may provide hope: hope for an efficacious treatment of serious disease. Examples of the latter are the use of viruses as a vaccine, as transfer vector for therapeutic genes in a gene therapy setting, or, more directly, as therapeutic anticancer agent in an oncolytic-virus therapy setting. Already there is evidence for antitumor activity of oncolytic viruses. The antitumor efficacy seems linked to their capacity to induce a tumor-directed immune response. Here, we will provide an overview on the development of oncolytic viruses and their clinical evaluation from the Dutch perspective.
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Affiliation(s)
- Zineb Belcaid
- 1 Department of Neurosurgery, Brain Tumor Center, Erasmus Medical Center , 3015 GE Rotterdam, The Netherlands
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17
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Sehgal K, Dhodapkar KM, Dhodapkar MV. Targeting human dendritic cells in situ to improve vaccines. Immunol Lett 2014; 162:59-67. [PMID: 25072116 DOI: 10.1016/j.imlet.2014.07.004] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2014] [Revised: 07/17/2014] [Accepted: 07/17/2014] [Indexed: 12/12/2022]
Abstract
Dendritic cells (DCs) provide a critical link between innate and adaptive immunity. The potent antigen presenting properties of DCs makes them a valuable target for the delivery of immunogenic cargo. Recent clinical studies describing in situ DC targeting with antibody-mediated targeting of DC receptor through DEC-205 provide new opportunities for the clinical application of DC-targeted vaccines. Further advances with nanoparticle vectors which can encapsulate antigens and adjuvants within the same compartment and be targeted against diverse DC subsets also represent an attractive strategy for targeting DCs. This review provides a brief summary of the rationale behind targeting dendritic cells in situ, the existing pre-clinical and clinical data on these vaccines and challenges faced by the next generation DC-targeted vaccines.
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Affiliation(s)
- Kartik Sehgal
- Department of Medicine, Yale University, New Haven, CT, United States
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18
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Hashem AM, Gravel C, Chen Z, Yi Y, Tocchi M, Jaentschke B, Fan X, Li C, Rosu-Myles M, Pereboev A, He R, Wang J, Li X. CD40 ligand preferentially modulates immune response and enhances protection against influenza virus. THE JOURNAL OF IMMUNOLOGY 2014; 193:722-34. [PMID: 24928989 DOI: 10.4049/jimmunol.1300093] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
CD40L, a key regulator of the immune system, was studied as both a targeting ligand and a molecular adjuvant in nucleoprotein (NP)-based host defense against influenza in mouse models with different genetic backgrounds. Adenoviral vectors secreting NP-CD40L fusion protein (denoted as rAd-SNP40L) afforded full protection of immunocompetent and immunocompromised mice (CD40L(-/-) and CD4(-/-)) against lethal influenza infection. Mechanistically, rAd-SNP40L preferentially induced early and persistent B cell germinal center formation, and accelerated Ig isotype-switching and Th1-skewed, NP-specific Ab response. Moreover, it drastically augmented primary and memory NP-specific CTL activity and polyfunctional CD8(+) T cells. The markedly enhanced nonneutralizing Abs and CTLs significantly reduced viral burdens in the lungs of mice upon lethal virus challenge. Data generated from CD40L(-/-) and CD4(-/-) mice revealed that the protection was indeed CD40L mediated but CD4(+) T cell independent, demonstrating the viability of the fusion Ags in protecting immunodeficient hosts. Notably, a single dose of rAd-SNP40L completely protected mice from lethal viral challenge 4 mo after immunization, representing the first report, to our knowledge, on NP in conjunction with a molecular adjuvant inducing a robust and long-lasting memory immune response against influenza. This platform is characterized by an increased in vivo load of CD40-targeted Ag upon the secretion of the fusion protein from adenovirus-infected cells and may represent a promising strategy to enhance the breadth, durability, and potency of Ag-specific immune responses.
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Affiliation(s)
- Anwar M Hashem
- Centre for Vaccine Evaluation, Biologics and Genetic Therapies Directorate, Health Canada, Ottawa, Ontario K1A 0K9, Canada; Department of Medical Microbiology and Parasitology, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Special Infectious Agents Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Caroline Gravel
- Centre for Vaccine Evaluation, Biologics and Genetic Therapies Directorate, Health Canada, Ottawa, Ontario K1A 0K9, Canada
| | - Ze Chen
- Shanghai Institute of Biological Products, Shanghai 200231, China
| | - Yinglei Yi
- Shanghai Institute of Biological Products, Shanghai 200231, China
| | - Monika Tocchi
- Centre for Vaccine Evaluation, Biologics and Genetic Therapies Directorate, Health Canada, Ottawa, Ontario K1A 0K9, Canada
| | - Bozena Jaentschke
- Centre for Vaccine Evaluation, Biologics and Genetic Therapies Directorate, Health Canada, Ottawa, Ontario K1A 0K9, Canada
| | - Xingliang Fan
- National Institutes for the Control of Food and Drug, Beijing 10050, People's Republic of China
| | - Changgui Li
- National Institutes for the Control of Food and Drug, Beijing 10050, People's Republic of China
| | - Michael Rosu-Myles
- Centre for Vaccine Evaluation, Biologics and Genetic Therapies Directorate, Health Canada, Ottawa, Ontario K1A 0K9, Canada
| | - Alexander Pereboev
- Division of Human Gene Therapy, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294; Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, AL 35294; Department of Pathology and Surgery, University of Alabama at Birmingham, Birmingham, AL 35294; Gene Therapy Center, University of Alabama at Birmingham, Birmingham, AL 35294
| | - Runtao He
- National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba R3E 3R2, Canada; and
| | - Junzhi Wang
- National Institutes for the Control of Food and Drug, Beijing 10050, People's Republic of China;
| | - Xuguang Li
- Centre for Vaccine Evaluation, Biologics and Genetic Therapies Directorate, Health Canada, Ottawa, Ontario K1A 0K9, Canada; Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, Ontario K1H 8M5, Canada
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19
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Sioud M, Skorstad G, Mobergslien A, Sæb⊘e‐Larssen S. A novel peptide carrier for efficient targeting of antigens and nucleic acids to dendritic cells. FASEB J 2013; 27:3272-83. [DOI: 10.1096/fj.12-224758] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Mouldy Sioud
- Department of ImmunologyOslo University Radium HospitalOsloNorway
| | | | - Anne Mobergslien
- Department of ImmunologyOslo University Radium HospitalOsloNorway
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20
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Paulis LE, Mandal S, Kreutz M, Figdor CG. Dendritic cell-based nanovaccines for cancer immunotherapy. Curr Opin Immunol 2013; 25:389-95. [PMID: 23571027 DOI: 10.1016/j.coi.2013.03.001] [Citation(s) in RCA: 96] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2013] [Revised: 02/26/2013] [Accepted: 03/04/2013] [Indexed: 12/23/2022]
Abstract
Cancer immunotherapy critically relies on the efficient presentation of tumor antigens to T-cells to elicit a potent anti-tumor immune response aimed at life-long protection against cancer recurrence. Recent advances in the nanovaccine field have now resulted in formulations that trigger strong anti-tumor responses. Nanovaccines are assemblies that are able to present tumor antigens and appropriate immune-stimulatory signals either directly to T-cells or indirectly via antigen-presenting dendritic cells. This review focuses on important aspects of nanovaccine design for dendritic cells, including the synergistic and cytosolic delivery of immunogenic compounds, as well as their passive and active targeting to dendritic cells. In addition, nanoparticles for direct T-cell activation are discussed, addressing features necessary to effectively mimic dendritic cell/T-cell interactions.
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Affiliation(s)
- Leonie E Paulis
- Department of Tumor Immunology, Nijmegen Center for Molecular Life Sciences, Radboud University Nijmegen Medical Center, Nijmegen, Netherlands
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Hangalapura BN, Timares L, Oosterhoff D, Scheper RJ, Curiel DT, de Gruijl TD. CD40-targeted adenoviral cancer vaccines: the long and winding road to the clinic. J Gene Med 2012; 14:416-27. [PMID: 22228547 DOI: 10.1002/jgm.1648] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
The ability of dendritic cells (DCs) to orchestrate innate and adaptive immune responses has been exploited to develop potent anti-cancer immunotherapies. Recent clinical trials exploring the efficacy of ex vivo modified autologous DC-based vaccines have reported some promising results. However, in vitro generation of autologous DCs for clinical administration, their loading with tumor associated antigens (TAAs) and their activation, is laborious and expensive, and, as a result of inter-individual variability in the personalized vaccines, remains poorly standardized. An attractive alternative approach is to load resident DCs in vivo by targeted delivery of TAAs, using viral vectors and activating them simultaneously. To this end, we have constructed genetically-modified adenoviral (Ad) vectors and bispecific adaptor molecules to retarget Ad vectors encoding TAAs to the CD40 receptor on DCs. Pre-clinical human and murine studies conducted so far have clearly demonstrated the suitability of a 'two-component' (i.e. Ad and adaptor molecule) configuration for targeted modification of DCs in vivo for cancer immunotherapy. This review summarizes recent progress in the development of CD40-targeted Ad-based cancer vaccines and highlights pre-clinical issues in the clinical translation of this approach.
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Affiliation(s)
- Basav N Hangalapura
- Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, The Netherlands
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22
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Williams BJ, Bhatia S, Adams LK, Boling S, Carroll JL, Li XL, Rogers DL, Korokhov N, Kovesdi I, Pereboev AV, Curiel DT, Mathis JM. Dendritic cell based PSMA immunotherapy for prostate cancer using a CD40-targeted adenovirus vector. PLoS One 2012; 7:e46981. [PMID: 23056548 PMCID: PMC3466199 DOI: 10.1371/journal.pone.0046981] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2012] [Accepted: 09/11/2012] [Indexed: 11/18/2022] Open
Abstract
Human prostate tumor vaccine and gene therapy trials using ex vivo methods to prime dendritic cells (DCs) with prostate specific membrane antigen (PSMA) have been somewhat successful, but to date the lengthy ex vivo manipulation of DCs has limited the widespread clinical utility of this approach. Our goal was to improve upon cancer vaccination with tumor antigens by delivering PSMA via a CD40-targeted adenovirus vector directly to DCs as an efficient means for activation and antigen presentation to T-cells. To test this approach, we developed a mouse model of prostate cancer by generating clonal derivatives of the mouse RM-1 prostate cancer cell line expressing human PSMA (RM-1-PSMA cells). To maximize antigen presentation in target cells, both MHC class I and TAP protein expression was induced in RM-1 cells by transduction with an Ad vector expressing interferon-gamma (Ad5-IFNγ). Administering DCs infected ex vivo with CD40-targeted Ad5-huPSMA, as well as direct intraperitoneal injection of the vector, resulted in high levels of tumor-specific CTL responses against RM-1-PSMA cells pretreated with Ad5-IFNγ as target cells. CD40 targeting significantly improved the therapeutic antitumor efficacy of Ad5-huPSMA encoding PSMA when combined with Ad5-IFNγ in the RM-1-PSMA model. These results suggest that a CD-targeted adenovirus delivering PSMA may be effective clinically for prostate cancer immunotherapy.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B, Member 2
- ATP Binding Cassette Transporter, Subfamily B, Member 3
- ATP-Binding Cassette Transporters/genetics
- Adenoviridae/genetics
- Adjuvants, Immunologic/metabolism
- Animals
- Antigen Presentation/genetics
- Antigen Presentation/immunology
- Antigens, Surface/genetics
- Antigens, Surface/metabolism
- CD40 Antigens/immunology
- CD40 Antigens/metabolism
- Cancer Vaccines/genetics
- Cancer Vaccines/immunology
- Cell Line, Tumor
- Cell Survival/genetics
- Cell Survival/immunology
- Dendritic Cells/immunology
- Dendritic Cells/metabolism
- Dendritic Cells/virology
- Genetic Vectors/genetics
- Glutamate Carboxypeptidase II/genetics
- Glutamate Carboxypeptidase II/metabolism
- HLA-A Antigens/genetics
- Humans
- Interferon-gamma/genetics
- Killer Cells, Natural/immunology
- Killer Cells, Natural/metabolism
- Killer Cells, Natural/virology
- Male
- Mice
- Mice, Inbred C57BL
- Molecular Targeted Therapy
- Prostatic Neoplasms/genetics
- Prostatic Neoplasms/immunology
- Prostatic Neoplasms/prevention & control
- T-Lymphocytes, Cytotoxic/immunology
- T-Lymphocytes, Cytotoxic/metabolism
- T-Lymphocytes, Cytotoxic/virology
- Vaccination/methods
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Affiliation(s)
- Briana Jill Williams
- Gene Therapy Program, Departments of Urology, Biochemistry and Molecular Biology, and Cellular Biology and Anatomy, and the Feist-Weiller Cancer Center, LSU Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Shilpa Bhatia
- Gene Therapy Program, Departments of Urology, Biochemistry and Molecular Biology, and Cellular Biology and Anatomy, and the Feist-Weiller Cancer Center, LSU Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Lisa K. Adams
- Gene Therapy Program, Departments of Urology, Biochemistry and Molecular Biology, and Cellular Biology and Anatomy, and the Feist-Weiller Cancer Center, LSU Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Susan Boling
- Gene Therapy Program, Departments of Urology, Biochemistry and Molecular Biology, and Cellular Biology and Anatomy, and the Feist-Weiller Cancer Center, LSU Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Jennifer L. Carroll
- Gene Therapy Program, Departments of Urology, Biochemistry and Molecular Biology, and Cellular Biology and Anatomy, and the Feist-Weiller Cancer Center, LSU Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Xiao-Lin Li
- Gene Therapy Program, Departments of Urology, Biochemistry and Molecular Biology, and Cellular Biology and Anatomy, and the Feist-Weiller Cancer Center, LSU Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Donna L. Rogers
- Gene Therapy Program, Departments of Urology, Biochemistry and Molecular Biology, and Cellular Biology and Anatomy, and the Feist-Weiller Cancer Center, LSU Health Sciences Center, Shreveport, Louisiana, United States of America
| | - Nikolay Korokhov
- VectorLogics, Inc., Birmingham, Alabama, United States of America
| | - Imre Kovesdi
- VectorLogics, Inc., Birmingham, Alabama, United States of America
| | - Alexander V. Pereboev
- Departments of Medicine and Pathology, University of Alabama at Birmingham, Birmingham, Alabama, United States of America
| | - David T. Curiel
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, Missouri, United States of America
| | - J. Michael Mathis
- Gene Therapy Program, Departments of Urology, Biochemistry and Molecular Biology, and Cellular Biology and Anatomy, and the Feist-Weiller Cancer Center, LSU Health Sciences Center, Shreveport, Louisiana, United States of America
- * E-mail:
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23
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Abstract
Prostate cancer remains a significant health problem for men in the Western world. Although treatment modalities are available, these do not confer long-term benefit and are accompanied by deleterious side effects. Immunotherapy represents a valuable alternative to conventional treatments by inducing tumour-specific immune responses that control the growth of cancer cells. Sipuleucel-T is approved by the FDA as an immunotherapeutic agent for the treatment of patients with asymptomatic or minimally symptomatic castration-resistant prostate cancer (CRPC). Although this approval has raised cost-versus-benefit issues, it has provided proof of concept for the therapeutic potential of active immunotherapy approaches for metastatic CRPC. Numerous clinical studies have demonstrated clinical benefit using immunotherapy compared to traditional chemotherapy and several active immunotherapy approaches (at various developmental stages)have demonstrated the potential to change the face of prostate cancer treatment.
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Abstract
Progress in vector design and an increased knowledge of mechanisms underlying tumor-induced immune suppression have led to a new and promising generation of Adenovirus (Ad)-based immunotherapies, which are discussed in this review. As vaccine vehicles Ad vectors (AdVs) have been clinically evaluated and proven safe, but a major limitation of the commonly used Ad5 serotype is neutralization by preexistent or rapidly induced immune responses. Genetic modifications in the Ad capsid can reduce intrinsic immunogenicity and facilitate escape from antibody-mediated neutralization. Further modification of the Ad hexon and fiber allows for liver and scavenger detargeting and selective targeting of, for example, dendritic cells. These next-generation Ad vaccines with enhanced efficacy are now becoming available for testing as tumor vaccines. In addition, AdVs encoding immune-modulating products may be used to convert the tumor microenvironment from immune-suppressive and proinvasive to proinflammatory, thus facilitating cell-mediated effector functions that can keep tumor growth and invasion in check. Oncolytic AdVs, that selectively replicate in tumor cells and induce an immunogenic form of cell death, can also be armed with immune-activating transgenes to amplify primed antitumor immune responses. These novel immunotherapy strategies, employing highly efficacious AdVs in optimized configurations, show great promise and warrant clinical exploration.
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