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Al Hmada Y, Brodell RT, Kharouf N, Flanagan TW, Alamodi AA, Hassan SY, Shalaby H, Hassan SL, Haikel Y, Megahed M, Santourlidis S, Hassan M. Mechanisms of Melanoma Progression and Treatment Resistance: Role of Cancer Stem-like Cells. Cancers (Basel) 2024; 16:470. [PMID: 38275910 PMCID: PMC10814963 DOI: 10.3390/cancers16020470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 01/27/2024] Open
Abstract
Melanoma is the third most common type of skin cancer, characterized by its heterogeneity and propensity to metastasize to distant organs. Melanoma is a heterogeneous tumor, composed of genetically divergent subpopulations, including a small fraction of melanoma-initiating cancer stem-like cells (CSCs) and many non-cancer stem cells (non-CSCs). CSCs are characterized by their unique surface proteins associated with aberrant signaling pathways with a causal or consequential relationship with tumor progression, drug resistance, and recurrence. Melanomas also harbor significant alterations in functional genes (BRAF, CDKN2A, NRAS, TP53, and NF1). Of these, the most common are the BRAF and NRAS oncogenes, with 50% of melanomas demonstrating the BRAF mutation (BRAFV600E). While the successful targeting of BRAFV600E does improve overall survival, the long-term efficacy of available therapeutic options is limited due to adverse side effects and reduced clinical efficacy. Additionally, drug resistance develops rapidly via mechanisms involving fast feedback re-activation of MAPK signaling pathways. This article updates information relevant to the mechanisms of melanoma progression and resistance and particularly the mechanistic role of CSCs in melanoma progression, drug resistance, and recurrence.
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Affiliation(s)
- Youssef Al Hmada
- Department of Pathology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA; (Y.A.H.); (R.T.B.)
| | - Robert T. Brodell
- Department of Pathology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA; (Y.A.H.); (R.T.B.)
| | - Naji Kharouf
- Institut National de la Santé et de la Recherche Médicale, University of Strasbourg, 67000 Strasbourg, France; (N.K.); (Y.H.)
- Department of Operative Dentistry and Endodontics, Dental Faculty, University of Strasbourg, 67000 Strasbourg, France
| | - Thomas W. Flanagan
- Department of Pharmacology and Experimental Therapeutics, LSU Health Sciences Center, New Orleans, LA 70112, USA;
| | - Abdulhadi A. Alamodi
- College of Health Sciences, Jackson State University, 310 W Woodrow Wilson Ave Ste 300, Jackson, MS 39213, USA;
| | - Sofie-Yasmin Hassan
- Department of Pharmacy, Faculty of Science, Heinrich-Heine University Duesseldorf, 40225 Dusseldorf, Germany;
| | - Hosam Shalaby
- Department of Urology, Tulane University School of Medicine, New Orleans, LA 70112, USA;
| | - Sarah-Lilly Hassan
- Department of Chemistry, Faculty of Science, Heinrich-Heine University Duesseldorf, 40225 Dusseldorf, Germany;
| | - Youssef Haikel
- Institut National de la Santé et de la Recherche Médicale, University of Strasbourg, 67000 Strasbourg, France; (N.K.); (Y.H.)
- Department of Operative Dentistry and Endodontics, Dental Faculty, University of Strasbourg, 67000 Strasbourg, France
- Pôle de Médecine et Chirurgie Bucco-Dentaire, Hôpital Civil, Hôpitaux Universitaire de Strasbourg, 67000 Strasbourg, France
| | - Mosaad Megahed
- Clinic of Dermatology, University Hospital of Aachen, 52074 Aachen, Germany;
| | - Simeon Santourlidis
- Epigenetics Core Laboratory, Medical Faculty, Institute of Transplantation Diagnostics and Cell Therapeutics, Heinrich Heine University Düsseldorf, 40225 Dusseldorf, Germany;
| | - Mohamed Hassan
- Institut National de la Santé et de la Recherche Médicale, University of Strasbourg, 67000 Strasbourg, France; (N.K.); (Y.H.)
- Department of Operative Dentistry and Endodontics, Dental Faculty, University of Strasbourg, 67000 Strasbourg, France
- Research Laboratory of Surgery-Oncology, Department of Surgery, Tulane University School of Medicine, New Orleans, LA 70112, USA
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Therapeutic Adenovirus Vaccine Combined Immunization with IL-12 Induces Potent CD8 + T Cell Anti-Tumor Immunity in Hepatocellular Carcinoma. Cancers (Basel) 2022; 14:cancers14184512. [PMID: 36139670 PMCID: PMC9497125 DOI: 10.3390/cancers14184512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 09/03/2022] [Accepted: 09/15/2022] [Indexed: 11/17/2022] Open
Abstract
Simple Summary Hepatocellular carcinoma is a kind of tumor with a high malignant degree and mortality rate, and there is no effective treatment method. Currently, immunotherapy has shown good prospects in treating hepatocellular carcinoma. As an important approach of immunotherapy, the vaccine has become an attractive method for tumor treatment. This study developed an adenovirus vaccine containing tumor antigen glypican-3 and adjuvant interleukin 12. The subcutaneous tumor model was intramuscularly immunized three times with vaccines at a ten-day interval. Compared with the control group, the proliferation of CD 8+ T cell, the induction of multifunctional CD 8+ T cell and dendritic cells, and cytotoxic T lymphocyte activity were significantly increased in the combined immunization group, and the growth of tumor was inhibited obviously. The therapeutic effect of the vaccine of glypican-3 and interleukin 12 mainly depends on the anti-tumor effect of CD 8+ T cells mediated by dendritic cells. Likewise, this vaccine also showed a good therapeutic effect in the lung metastasis model of hepatocellular carcinoma. Therefore, the adenovirus vaccine of glypican-3 and interleukin 12 might become a potential way to treat hepatocellular carcinoma. Abstract Hepatocellular carcinoma (HCC) is one of the cancers with the highest morbidity and mortality in the world. However, clinical progress in the treatment of HCC has not shown a satisfactory therapeutic effect. Here, we have developed a novel strategy to treat HCC with an adenovirus (Ad)-based vaccine, which contains a specific antigen glypican-3 (GPC3) and an immunostimulatory cytokine IL-12. In the subcutaneous tumor model, Ad-IL-12/GPC3 vaccine was injected into muscles three times to evaluate its therapeutic effect. Compared with the control immunization group, the Ad-IL-12/GPC3 immunization group showed a significant tumor growth inhibition effect, which was confirmed by the reduced tumor volume and the increased tumor inhibition. Ad-IL-12/GPC3 co-immunization promoted the induction and maturation of CD11c+ or CD8+CD11c+ DCs and increased the number of tumor-infiltrating CD8+ T cells. Furthermore, in the Ad-IL-12/GPC3 group, the proliferation of CD8+ T cells, the induction of multifunctional CD8+ T cells, and CTL activity were significantly increased. Interestingly, the deletion of CD8+ T cells abolished tumor growth inhibition by Ad-IL-12/GPC3 treatment, suggesting that CD8+ T cell immune responses were required to eliminate the tumor. Likewise, Ad-IL-12/GPC3 vaccine also effectively inhibited lung tumor growth or metastasis by enhancing CD8+ DCs-mediated multifunctional CD8+ T cell immune responses in the lung metastasis model. Therefore, these results indicate that IL-12 combined with Ad-GPC3 vaccine co-immunization might provide a promising therapeutic strategy for HCC patients.
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Ku M, Authié P, Bourgine M, Anna F, Noirat A, Moncoq F, Vesin B, Nevo F, Lopez J, Souque P, Blanc C, Fert I, Chardenoux S, Lafosse L, Cussigh D, Hardy D, Nemirov K, Guinet F, Langa Vives F, Majlessi L, Charneau P. Brain cross-protection against SARS-CoV-2 variants by a lentiviral vaccine in new transgenic mice. EMBO Mol Med 2021; 13:e14459. [PMID: 34647691 PMCID: PMC8646827 DOI: 10.15252/emmm.202114459] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 10/07/2021] [Accepted: 10/08/2021] [Indexed: 12/24/2022] Open
Abstract
COVID-19 vaccines already in use or in clinical development may have reduced efficacy against emerging SARS-CoV-2 variants. In addition, although the neurotropism of SARS-CoV-2 is well established, the vaccine strategies currently developed have not taken into account protection of the central nervous system. Here, we generated a transgenic mouse strain expressing the human angiotensin-converting enzyme 2, and displaying unprecedented brain permissiveness to SARS-CoV-2 replication, in addition to high permissiveness levels in the lung. Using this stringent transgenic model, we demonstrated that a non-integrative lentiviral vector, encoding for the spike glycoprotein of the ancestral SARS-CoV-2, used in intramuscular prime and intranasal boost elicits sterilizing protection of lung and brain against both the ancestral virus, and the Gamma (P.1) variant of concern, which carries multiple vaccine escape mutations. Beyond induction of strong neutralizing antibodies, the mechanism underlying this broad protection spectrum involves a robust protective T-cell immunity, unaffected by the recent mutations accumulated in the emerging SARS-CoV-2 variants.
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Affiliation(s)
- Min‐Wen Ku
- Virology DepartmentInstitut Pasteur‐TheraVectys Joint LabParisFrance
| | - Pierre Authié
- Virology DepartmentInstitut Pasteur‐TheraVectys Joint LabParisFrance
| | - Maryline Bourgine
- Virology DepartmentInstitut Pasteur‐TheraVectys Joint LabParisFrance
| | - François Anna
- Virology DepartmentInstitut Pasteur‐TheraVectys Joint LabParisFrance
| | - Amandine Noirat
- Virology DepartmentInstitut Pasteur‐TheraVectys Joint LabParisFrance
| | - Fanny Moncoq
- Virology DepartmentInstitut Pasteur‐TheraVectys Joint LabParisFrance
| | - Benjamin Vesin
- Virology DepartmentInstitut Pasteur‐TheraVectys Joint LabParisFrance
| | - Fabien Nevo
- Virology DepartmentInstitut Pasteur‐TheraVectys Joint LabParisFrance
| | - Jodie Lopez
- Virology DepartmentInstitut Pasteur‐TheraVectys Joint LabParisFrance
| | - Philippe Souque
- Virology DepartmentInstitut Pasteur‐TheraVectys Joint LabParisFrance
| | - Catherine Blanc
- Virology DepartmentInstitut Pasteur‐TheraVectys Joint LabParisFrance
| | - Ingrid Fert
- Virology DepartmentInstitut Pasteur‐TheraVectys Joint LabParisFrance
| | - Sébastien Chardenoux
- Plate‐Forme Centre d'Ingénierie Génétique Murine CIGMInstitut PasteurParisFrance
| | - llta Lafosse
- Plate‐Forme Centre d'Ingénierie Génétique Murine CIGMInstitut PasteurParisFrance
| | - Delphine Cussigh
- Plate‐Forme Centre d'Ingénierie Génétique Murine CIGMInstitut PasteurParisFrance
| | - David Hardy
- Experimental Neuropatholgy UnitInstitut PasteurParisFrance
| | - Kirill Nemirov
- Virology DepartmentInstitut Pasteur‐TheraVectys Joint LabParisFrance
| | - Françoise Guinet
- Lymphocytes and Immunity UnitImmunology DepartmentInstitut PasteurParisFrance
| | - Francina Langa Vives
- Plate‐Forme Centre d'Ingénierie Génétique Murine CIGMInstitut PasteurParisFrance
| | - Laleh Majlessi
- Virology DepartmentInstitut Pasteur‐TheraVectys Joint LabParisFrance
| | - Pierre Charneau
- Virology DepartmentInstitut Pasteur‐TheraVectys Joint LabParisFrance
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Ku MW, Bourgine M, Authié P, Lopez J, Nemirov K, Moncoq F, Noirat A, Vesin B, Nevo F, Blanc C, Souque P, Tabbal H, Simon E, Hardy D, Le Dudal M, Guinet F, Fiette L, Mouquet H, Anna F, Martin A, Escriou N, Majlessi L, Charneau P. Intranasal vaccination with a lentiviral vector protects against SARS-CoV-2 in preclinical animal models. Cell Host Microbe 2020; 29:236-249.e6. [PMID: 33357418 PMCID: PMC7738935 DOI: 10.1016/j.chom.2020.12.010] [Citation(s) in RCA: 91] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/26/2020] [Accepted: 12/09/2020] [Indexed: 11/25/2022]
Abstract
To develop a vaccine candidate against coronavirus disease 2019 (COVID-19), we generated a lentiviral vector (LV) eliciting neutralizing antibodies against the Spike glycoprotein of SARS-CoV-2. Systemic vaccination by this vector in mice, in which the expression of the SARS-CoV-2 receptor hACE2 has been induced by transduction of respiratory tract cells by an adenoviral vector, confers only partial protection despite high levels of serum neutralizing activity. However, eliciting an immune response in the respiratory tract through an intranasal boost results in a >3 log10 decrease in the lung viral loads and reduces local inflammation. Moreover, both integrative and non-integrative LV platforms display strong vaccine efficacy and inhibit lung deleterious injury in golden hamsters, which are naturally permissive to SARS-CoV-2 replication and closely mirror human COVID-19 physiopathology. Our results provide evidence of marked prophylactic effects of LV-based vaccination against SARS-CoV-2 and designate intranasal immunization as a powerful approach against COVID-19.
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Affiliation(s)
- Min-Wen Ku
- Institut Pasteur-TheraVectys Joint Lab, Virology Department, Institut Pasteur, Paris 75015, France
| | - Maryline Bourgine
- Institut Pasteur-TheraVectys Joint Lab, Virology Department, Institut Pasteur, Paris 75015, France; Molecular Virology and Vaccinology Unit, Virology Department, Institut Pasteur, Paris 75015, France
| | - Pierre Authié
- Institut Pasteur-TheraVectys Joint Lab, Virology Department, Institut Pasteur, Paris 75015, France
| | - Jodie Lopez
- Institut Pasteur-TheraVectys Joint Lab, Virology Department, Institut Pasteur, Paris 75015, France
| | - Kirill Nemirov
- Institut Pasteur-TheraVectys Joint Lab, Virology Department, Institut Pasteur, Paris 75015, France
| | - Fanny Moncoq
- Institut Pasteur-TheraVectys Joint Lab, Virology Department, Institut Pasteur, Paris 75015, France
| | - Amandine Noirat
- Institut Pasteur-TheraVectys Joint Lab, Virology Department, Institut Pasteur, Paris 75015, France
| | - Benjamin Vesin
- Institut Pasteur-TheraVectys Joint Lab, Virology Department, Institut Pasteur, Paris 75015, France
| | - Fabien Nevo
- Institut Pasteur-TheraVectys Joint Lab, Virology Department, Institut Pasteur, Paris 75015, France
| | - Catherine Blanc
- Institut Pasteur-TheraVectys Joint Lab, Virology Department, Institut Pasteur, Paris 75015, France
| | - Philippe Souque
- Molecular Virology and Vaccinology Unit, Virology Department, Institut Pasteur, Paris 75015, France
| | - Houda Tabbal
- Molecular Genetics of RNA Viruses Unit, Virology Department, Institut Pasteur, CNRS UMR3569, Université de Paris, Paris 75015, France
| | - Emeline Simon
- Molecular Genetics of RNA Viruses Unit, Virology Department, Institut Pasteur, CNRS UMR3569, Université de Paris, Paris 75015, France; Université de Paris, Paris 75006, France
| | - David Hardy
- Experimental Neuropathology Unit, Global Health Department, Institut Pasteur, Paris 75015, France
| | | | - Françoise Guinet
- Lymphocytes and Immunity Unit, Immunology Department, Institut Pasteur, Paris 75015, France
| | | | - Hugo Mouquet
- Laboratory of Humoral Immunology, Immunology Department, Institut Pasteur, INSERM U1222, Paris, France
| | - François Anna
- Institut Pasteur-TheraVectys Joint Lab, Virology Department, Institut Pasteur, Paris 75015, France
| | - Annette Martin
- Molecular Genetics of RNA Viruses Unit, Virology Department, Institut Pasteur, CNRS UMR3569, Université de Paris, Paris 75015, France
| | - Nicolas Escriou
- Innovation Lab, Vaccines, Virology Department, Institut Pasteur, Paris 75015, France
| | - Laleh Majlessi
- Institut Pasteur-TheraVectys Joint Lab, Virology Department, Institut Pasteur, Paris 75015, France.
| | - Pierre Charneau
- Institut Pasteur-TheraVectys Joint Lab, Virology Department, Institut Pasteur, Paris 75015, France; Molecular Virology and Vaccinology Unit, Virology Department, Institut Pasteur, Paris 75015, France.
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5
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Zhang D, Xu X, Ye Q. Metabolism and immunity in breast cancer. Front Med 2020; 15:178-207. [PMID: 33074528 DOI: 10.1007/s11684-020-0793-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Accepted: 04/17/2020] [Indexed: 12/12/2022]
Abstract
Breast cancer is one of the most common malignancies that seriously threaten women's health. In the process of the malignant transformation of breast cancer, metabolic reprogramming and immune evasion represent the two main fascinating characteristics of cancer and facilitate cancer cell proliferation. Breast cancer cells generate energy through increased glucose metabolism. Lipid metabolism contributes to biological signal pathways and forms cell membranes except energy generation. Amino acids act as basic protein units and metabolic regulators in supporting cell growth. For tumor-associated immunity, poor immunogenicity and heightened immunosuppression cause breast cancer cells to evade the host's immune system. For the past few years, the complex mechanisms of metabolic reprogramming and immune evasion are deeply investigated, and the genes involved in these processes are used as clinical therapeutic targets for breast cancer. Here, we review the recent findings related to abnormal metabolism and immune characteristics, regulatory mechanisms, their links, and relevant therapeutic strategies.
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Affiliation(s)
- Deyu Zhang
- Department of Medical Molecular Biology, Beijing Institute of Biotechnology, Beijing, 100850, China
| | - Xiaojie Xu
- Department of Medical Molecular Biology, Beijing Institute of Biotechnology, Beijing, 100850, China.
| | - Qinong Ye
- Department of Medical Molecular Biology, Beijing Institute of Biotechnology, Beijing, 100850, China.
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Hou X, Watzlawik JO, Fiesel FC, Springer W. Autophagy in Parkinson's Disease. J Mol Biol 2020; 432:2651-2672. [PMID: 32061929 PMCID: PMC7211126 DOI: 10.1016/j.jmb.2020.01.037] [Citation(s) in RCA: 185] [Impact Index Per Article: 46.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 01/24/2020] [Accepted: 01/30/2020] [Indexed: 02/07/2023]
Abstract
Impaired protein homeostasis and accumulation of damaged or abnormally modified protein are common disease mechanisms in many neurodegenerative disorders, including Parkinson's disease (PD). As one of the major degradation pathways, autophagy plays a pivotal role in maintaining effective turnover of proteins and damaged organelles in cells. Several decades of research efforts led to insights into the potential contribution of impaired autophagy machinery to α-synuclein accumulation and the degeneration of dopaminergic neurons, two major features of PD pathology. In this review, we summarize recent pathological, genetic, and mechanistic findings that link defective autophagy with PD pathogenesis in human patients, animals, and cellular models and discuss current challenges in the field.
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Affiliation(s)
- Xu Hou
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | | | | | - Wolfdieter Springer
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA; Neuroscience PhD Program, Mayo Clinic Graduate School of Biomedical Sciences, Jacksonville, FL, USA.
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Scheetz L, Park KS, Li Q, Lowenstein PR, Castro MG, Schwendeman A, Moon JJ. Engineering patient-specific cancer immunotherapies. Nat Biomed Eng 2019; 3:768-782. [PMID: 31406259 PMCID: PMC6783331 DOI: 10.1038/s41551-019-0436-x] [Citation(s) in RCA: 99] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 07/03/2019] [Indexed: 02/06/2023]
Abstract
Research into the immunological processes implicated in cancer has yielded a basis for the range of immunotherapies that are now considered the fourth pillar of cancer treatment (alongside surgery, radiotherapy and chemotherapy). For some aggressive cancers, such as advanced non-small-cell lung carcinoma, combination immunotherapies have resulted in unprecedented treatment efficacy for responding patients, and have become frontline therapies. Individualized immunotherapy, enabled by the identification of patient-specific mutations, neoantigens and biomarkers, and facilitated by advances in genomics and proteomics, promises to broaden the responder patient population. In this Perspective, we give an overview of immunotherapies leveraging engineering approaches, including the design of biomaterials, delivery strategies and nanotechnology solutions, for the realization of individualized cancer treatments such as nanoparticle vaccines customized with neoantigens, cell therapies based on patient-derived dendritic cells and T cells, and combinations of theranostic strategies. Developments in precision cancer immunotherapy will increasingly rely on the adoption of engineering principles.
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Affiliation(s)
- Lindsay Scheetz
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, USA
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
| | - Kyung Soo Park
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Qiao Li
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Pedro R Lowenstein
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA
- Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI, USA
| | - Maria G Castro
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA
- Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI, USA
| | - Anna Schwendeman
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, USA
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
| | - James J Moon
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, USA.
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA.
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA.
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Simon B, Harrer DC, Thirion C, Schuler-Thurner B, Schuler G, Uslu U. Enhancing lentiviral transduction to generate melanoma-specific human T cells for cancer immunotherapy. J Immunol Methods 2019; 472:55-64. [DOI: 10.1016/j.jim.2019.06.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 06/06/2019] [Accepted: 06/12/2019] [Indexed: 12/27/2022]
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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: 21] [Impact Index Per Article: 3.5] [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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10
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Trautmann A. From kinetics and cellular cooperations to cancer immunotherapies. Oncotarget 2018; 7:44779-44789. [PMID: 27014912 PMCID: PMC5190134 DOI: 10.18632/oncotarget.8242] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 03/04/2016] [Indexed: 12/26/2022] Open
Abstract
In this review will be underlined two simple ideas of potential interest for the design of cancer immunotherapies. One concerns the importance of kinetics, with the key notion that a single cause may trigger two opposite effects with different kinetics. The importance of this phenomenon will be underlined in neurobiology, transcription networks and the immune system. The second idea is that efficient immune responses have been selected against pathogens, throughout evolution. They are never due to a single cell type, but always require multiple, complex cellular cooperations. One cannot recognize this fact and persist in the presently dominant T-cell centered view of cancer immunotherapies. Suggestions will be made to incorporate these simple ideas for improving these therapies.
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Affiliation(s)
- Alain Trautmann
- INSERM, U1016, Institut Cochin, Paris, France.,CNRS, UMR8104, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France.,Equipe Labellisée "Ligue contre le Cancer", Paris, France
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11
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Sidhom JW, Bessell CA, Havel JJ, Kosmides A, Chan TA, Schneck JP. ImmunoMap: A Bioinformatics Tool for T-cell Repertoire Analysis. Cancer Immunol Res 2017; 6:151-162. [PMID: 29263161 DOI: 10.1158/2326-6066.cir-17-0114] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 09/12/2017] [Accepted: 12/18/2017] [Indexed: 11/16/2022]
Abstract
Despite a dramatic increase in T-cell receptor (TCR) sequencing, few approaches biologically parse the data in a fashion that both helps yield new information about immune responses and may guide immunotherapeutic interventions. To address this issue, we developed a method, ImmunoMap, that utilizes a sequence analysis approach inspired by phylogenetics to examine TCR repertoire relatedness. ImmunoMap analysis of the CD8 T-cell response to self-antigen (Kb-TRP2) or to a model foreign antigen (Kb-SIY) in naïve and tumor-bearing B6 mice showed differences in the T-cell repertoire of self- versus foreign antigen-specific responses, potentially reflecting immune pressure by the tumor, and also detected lymphoid organ-specific differences in TCR repertoires. When ImmunoMap was used to analyze clinical trial data of tumor-infiltrating lymphocytes from patients being treated with anti-PD-1, ImmunoMap, but not standard TCR sequence analyses, revealed a clinically predicative signature in pre- and posttherapy samples. Cancer Immunol Res; 6(2); 151-62. ©2017 AACR.
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Affiliation(s)
- John-William Sidhom
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland
- Bloomberg∼Kimmel Institute for Cancer Immunotherapy, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Catherine A Bessell
- Graduate Program in Immunology, Johns Hopkins University School of Medicine, Baltimore, Maryland
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Jonathan J Havel
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Alyssa Kosmides
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Timothy A Chan
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Jonathan P Schneck
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland.
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland
- Institute for Nanobiotechnology, Johns Hopkins Whiting School of Engineering, Baltimore, Maryland
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
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12
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Spontaneous regression of malignant melanoma - is it based on the interplay between host immune system and melanoma antigens? Anticancer Drugs 2017; 28:819-830. [DOI: 10.1097/cad.0000000000000526] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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13
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Kee D, McArthur G. Immunotherapy of melanoma. Eur J Surg Oncol 2017; 43:594-603. [DOI: 10.1016/j.ejso.2016.07.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Revised: 07/14/2016] [Accepted: 07/25/2016] [Indexed: 12/31/2022] Open
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14
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Uslu U, Schuler G, Dörrie J, Schaft N. Combining a chimeric antigen receptor and a conventional T-cell receptor to generate T cells expressing two additional receptors (TETARs) for a multi-hit immunotherapy of melanoma. Exp Dermatol 2016; 25:872-879. [PMID: 27246630 DOI: 10.1111/exd.13095] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/20/2016] [Indexed: 12/20/2022]
Abstract
The adoptive transfer of engineered T cells represents an important approach in immunotherapy of melanoma. However, relapse of the tumor can occur due to immune-escape mechanisms developed by the tumor cells, for example antigen loss, downregulation of the major histocompatibility complex presentation machinery and defects in antigen processing. To counteract these mechanisms, we combined a T-cell receptor and a chimeric antigen receptor, specific for different common melanoma antigens, gp100 (PMEL) and MCSP (HMW-MAA), to generate functional CD8+ T cells expressing two additional receptors (TETARs) by electroporation of receptor-encoding mRNA. These TETARs produced cytokines and were lytic upon recognition of each of their cognate antigens, while no reciprocal inhibition of the receptors occurred. When stimulated with target cells, which express both antigens, an enhanced effect was suggested. The confirmation that chimeric antigen receptors and T-cell receptors can be functionally combined opens up new avenues in cancer immunotherapy, and the generation of TETARs helps by-passing major mechanisms by which tumor cells escape immune recognition.
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Affiliation(s)
- Ugur Uslu
- Department of Dermatology, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Gerold Schuler
- Department of Dermatology, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Jan Dörrie
- Department of Dermatology, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Niels Schaft
- Department of Dermatology, Universitätsklinikum Erlangen, Erlangen, Germany.
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15
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Kazemi T, Younesi V, Jadidi-Niaragh F, Yousefi M. Immunotherapeutic approaches for cancer therapy: An updated review. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2015; 44:769-79. [PMID: 25801036 DOI: 10.3109/21691401.2015.1019669] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In spite of specific immune effector mechanisms raised against tumor cells, there are mechanisms employed by the tumor cells to keep them away from immune recognition and elimination; some of these mechanisms have been identified, while others are still poorly understood. Manipulation or augmentation of specific antitumor immune responses are now the preferred approaches for treatment of malignancies, and traditional therapeutic approaches are being replaced by the use of agents which potentiate immune effector mechanisms, broadly called "immunotherapy". Cancer immunotherapy is generally classified into two main classes including active and passive methods. Interventions to augment the immune system of the patient, for example, vaccination or adjuvant therapy, actively promote antitumor effector mechanisms to improve cancer elimination. On the other hand, administration of specific monoclonal antibodies (mAbs) against different tumor antigens and adoptive transfer of genetically-modified specific T cells are currently the most rapidly developing approaches for cancer targeted therapy. In this review, we will discuss the different modalities for active and passive immunotherapy for cancer.
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Affiliation(s)
- Tohid Kazemi
- a Immunology Research Center, Tabriz University of Medical Sciences , Tabriz , Iran.,b Department of Immunology , Faculty of Medicine, Tabriz University of Medical Sciences , Tabriz , Iran
| | - Vahid Younesi
- c Department of Immunology , School of Public Health, Tehran University of Medical Sciences , Tehran , Iran
| | - Farhad Jadidi-Niaragh
- c Department of Immunology , School of Public Health, Tehran University of Medical Sciences , Tehran , Iran
| | - Mehdi Yousefi
- a Immunology Research Center, Tabriz University of Medical Sciences , Tabriz , Iran.,b Department of Immunology , Faculty of Medicine, Tabriz University of Medical Sciences , Tabriz , Iran
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16
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Qiu Z, Huang H, Grenier JM, Perez OA, Smilowitz HM, Adler B, Khanna KM. Cytomegalovirus-Based Vaccine Expressing a Modified Tumor Antigen Induces Potent Tumor-Specific CD8(+) T-cell Response and Protects Mice from Melanoma. Cancer Immunol Res 2015; 3:536-46. [PMID: 25633711 DOI: 10.1158/2326-6066.cir-14-0044] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2014] [Accepted: 01/20/2015] [Indexed: 11/16/2022]
Abstract
The presence of tumor-infiltrating CD8(+) T cells is associated with tumor regression and better prognosis. Cytomegalovirus (CMV) infection elicits a robust and long-lasting CD8(+) T-cell response, which makes CMV a potentially promising vaccine vector against cancer. In the current study, we used recombinant murine CMV (MCMV) strains as prophylactic and therapeutic vaccines in an aggressive B16 lung metastatic melanoma model. Immunization with MCMV-expressing ovalbumin (OVA) induced a potent OVA-specific CD8(+) T-cell response and was effective in protecting mice from OVA-expressing B16 melanoma in an antigen-dependent manner. We engineered MCMV to express a modified B16 melanoma antigen gp100 (MCMV-gp100KGP). Immunization with MCMV-gp100KGP was highly effective in overcoming immune tolerance to self-antigen and induced a strong, long-lasting gp100-specific CD8(+) T-cell response even in the presence of preexisting anti-CMV immunity. Furthermore, both prophylactic and therapeutic vaccinations of mice with MCMV-gp100KGP effectively protected mice from highly aggressive lung B16-F10 melanoma, and the protection was mediated by gp100-specific CD8(+) T cells. We showed that MCMV is a superior vaccine vector compared with a commonly used vesicular stomatitis virus vector. Collectively, our studies demonstrate that CMV is a promising vaccine vector to prevent and treat tumors.
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Affiliation(s)
- Zhijuan Qiu
- Department of Immunology, University of Connecticut Health Center, Farmington, Connecticut
| | - Huakang Huang
- Department of Immunology, University of Connecticut Health Center, Farmington, Connecticut
| | - Jeremy M Grenier
- Department of Immunology, University of Connecticut Health Center, Farmington, Connecticut
| | - Oriana A Perez
- Department of Immunology, University of Connecticut Health Center, Farmington, Connecticut
| | - Henry M Smilowitz
- Department of Cell Biology, University of Connecticut Health Center, Farmington, Connecticut
| | - Barbara Adler
- Max von Pettenkofer-Institute for Virology, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Kamal M Khanna
- Department of Immunology, University of Connecticut Health Center, Farmington, Connecticut.
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17
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Peptide-Based Vaccination and Induction of CD8+ T-Cell Responses Against Tumor Antigens in Breast Cancer. BioDrugs 2014; 29:15-30. [DOI: 10.1007/s40259-014-0114-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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18
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Sanlorenzo M, Vujic I, Posch C, Dajee A, Yen A, Kim S, Ashworth M, Rosenblum MD, Algazi A, Osella-Abate S, Quaglino P, Daud A, Ortiz-Urda S. Melanoma immunotherapy. Cancer Biol Ther 2014; 15:665-74. [PMID: 24651672 PMCID: PMC4049781 DOI: 10.4161/cbt.28555] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Revised: 03/11/2014] [Accepted: 03/16/2014] [Indexed: 12/29/2022] Open
Abstract
Immunotherapy is a cornerstone in the treatment of melanoma, and is intended to modulate the host immunity against the tumor. Immunotherapy can be used in an adjuvant setting, after complete surgical excision in patients with a high risk of disease relapse and as a treatment in advanced (unresectable or metastatic) stages. Development of novel therapeutic approaches and the optimization of existing therapies hold a great promise in the field of melanoma therapy research. Different clinical trials are ongoing, and immunotherapy is showing the ability to confirm durable clinical benefits in selected groups of melanoma patients. The aim of this review is to summarize different types of immunotherapy agents, as well as to discuss different strategies, complementary regimens, and possible biomarkers of response to the treatment.
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Affiliation(s)
- Martina Sanlorenzo
- University of California San Francisco; San Francisco, CA USA
- Department of Medical Sciences; Section of Dermatology; University of Turin; Turin, Italy
| | - Igor Vujic
- University of California San Francisco; San Francisco, CA USA
- The Rudolfstiftung Hospital; Vienna, Austria
| | - Christian Posch
- University of California San Francisco; San Francisco, CA USA
- The Rudolfstiftung Hospital; Vienna, Austria
| | - Akshay Dajee
- University of California San Francisco; San Francisco, CA USA
| | - Adam Yen
- University of California San Francisco; San Francisco, CA USA
| | - Sarasa Kim
- University of California San Francisco; San Francisco, CA USA
| | | | | | - Alain Algazi
- University of California San Francisco; San Francisco, CA USA
| | - Simona Osella-Abate
- Department of Medical Sciences; Section of Dermatology; University of Turin; Turin, Italy
| | - Pietro Quaglino
- Department of Medical Sciences; Section of Dermatology; University of Turin; Turin, Italy
| | - Adil Daud
- University of California San Francisco; San Francisco, CA USA
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19
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Rein LAM, Chao NJ. WT1 vaccination in acute myeloid leukemia: new methods of implementing adoptive immunotherapy. Expert Opin Investig Drugs 2014; 23:417-26. [DOI: 10.1517/13543784.2014.889114] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Pilla L, Valenti R, Marrari A, Patuzzo R, Santinami M, Parmiani G, Rivoltini L. Vaccination: role in metastatic melanoma. Expert Rev Anticancer Ther 2014; 6:1305-18. [PMID: 16925496 DOI: 10.1586/14737140.6.8.1305] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Based on the poor impact on overall survival obtained by systemic chemotherapy in metastatic melanoma and the identification of many melanoma antigens recognized by T cells, in the last decade many efforts have been devoted to the development of active specific immunotherapy as a promising systemic treatment for this neoplastic disease. A number of Phase I-II clinical trials have been performed with different vaccination approaches that included whole tumor cells, antigen peptides, antigen-pulsed dendritic cells, recombinant viruses, plasmids or naked DNA, and heat-shock proteins. Despite some promising immunological and clinical results obtained in these studies, melanoma-specific vaccines have altogether failed to prove their efficacy in the few large Phase III randomized clinical trials performed. Nonetheless, the possibility of activating the human immune system to recognize and destroy tumor cells remains a challenging investigative field, considering that the new knowledge of the intricate cellular and molecular mechanisms that regulate the immune function and tumor-host interactions may allow the development of new clinically relevant melanoma vaccination strategies.
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Affiliation(s)
- Lorenzo Pilla
- Istituto Nazionale per lo Studio e la Cura dei Tumori, Unit of Immunotherapy of Human Tumors, Via Venezian 1, 20133 Milan, Italy.
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21
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22
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Aranda F, Vacchelli E, Eggermont A, Galon J, Sautès-Fridman C, Tartour E, Zitvogel L, Kroemer G, Galluzzi L. Trial Watch: Peptide vaccines in cancer therapy. Oncoimmunology 2013; 2:e26621. [PMID: 24498550 PMCID: PMC3902120 DOI: 10.4161/onci.26621] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2013] [Accepted: 09/26/2013] [Indexed: 02/08/2023] Open
Abstract
Throughout the past 3 decades, along with the recognition that the immune system not only influences oncogenesis and tumor progression, but also determines how established neoplastic lesions respond therapy, renovated enthusiasm has gathered around the possibility of using vaccines as anticancer agents. Such an enthusiasm quickly tempered when it became clear that anticancer vaccines would have to be devised as therapeutic, rather than prophylactic, measures, and that malignant cells often fail to elicit (or actively suppress) innate and adaptive immune responses. Nonetheless, accumulating evidence indicates that a variety of anticancer vaccines, including cell-based, DNA-based, and purified component-based preparations, are capable of circumventing the poorly immunogenic and highly immunosuppressive nature of most tumors and elicit (at least under some circumstances) therapeutically relevant immune responses. Great efforts are currently being devoted to the identification of strategies that may provide anticancer vaccines with the capacity of breaking immunological tolerance and eliciting tumor-associated antigen-specific immunity in a majority of patients. In this sense, promising results have been obtained by combining anticancer vaccines with a relatively varied panels of adjuvants, including multiple immunostimulatory cytokines, Toll-like receptor agonists as well as inhibitors of immune checkpoints. One year ago, in the December issue of OncoImmunology, we discussed the biological mechanisms that underlie the antineoplastic effects of peptide-based vaccines and presented an abundant literature demonstrating the prominent clinical potential of such an approach. Here, we review the latest developments in this exciting area of research, focusing on high-profile studies that have been published during the last 13 mo and clinical trials launched in the same period to evaluate purified peptides or full-length proteins as therapeutic anticancer agents.
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Affiliation(s)
- Fernando Aranda
- Gustave Roussy; Villejuif, France ; INSERM, U848; Villejuif, France ; Université Paris-Sud/Paris XI; Le Kremlin-Bicêtre, France ; Equipe 11 labellisée par la Lique Nationale contre le Cancer; Centre de Recherche des Cordeliers; Paris, France
| | - Erika Vacchelli
- Gustave Roussy; Villejuif, France ; INSERM, U848; Villejuif, France ; Université Paris-Sud/Paris XI; Le Kremlin-Bicêtre, France ; Equipe 11 labellisée par la Lique Nationale contre le Cancer; Centre de Recherche des Cordeliers; Paris, France
| | | | - Jerome Galon
- Université Paris Descartes/Paris V, Sorbonne Paris Cité; Paris, France ; Université Pierre et Marie Curie/Paris VI; Paris, France ; INSERM, U872; Paris, France ; Equipe 15, Centre de Recherche des Cordeliers; Paris, France
| | - Catherine Sautès-Fridman
- Université Pierre et Marie Curie/Paris VI; Paris, France ; INSERM, U872; Paris, France ; Equipe 13, Centre de Recherche des Cordeliers; 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, U848; Villejuif, France ; Equipe 11 labellisée par la Lique 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 Lique 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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23
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Recent advances and developments in the antitumor effect of the HVJ envelope vector on malignant melanoma: from the bench to clinical application. Cancer Gene Ther 2013; 20:599-605. [PMID: 24157924 DOI: 10.1038/cgt.2013.61] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2013] [Revised: 08/23/2013] [Accepted: 09/17/2013] [Indexed: 12/31/2022]
Abstract
Inactivated Sendai virus particles (hemagglutinating virus of Japan envelope; HVJ-E) are considered to be safe and efficient non-viral vectors used for drug delivery, since they can incorporate DNA, RNA, proteins and drugs. We have recently found that HVJ-E has a novel antitumor immune effect using a colon cancer model. HVJ-E has also been shown to have both direct and immune-mediated indirect actions against malignancy. Intratumoral injection of an inactivated HVJ-E solution significantly reduced the tumor volume and prevented spontaneous lung metastasis, leading to an increased overall survival in C57/BL6 mice transplanted with B16/BL6 mouse melanoma cells, and even in immunodeficient mice transplanted with Mewo human melanoma cells. No severe adverse effects including laboratory data abnormalities or anaphylactic reactions were observed. The comprehensive mechanism(s) underlying the immunological effects of HVJ-E appear to include not only enhanced effector T cell- and/or natural killer (NK) cell-mediated immunity, but also rescue from regulatory T cell (Treg)-mediated immunosuppression, presumably through the interleukin-6 secretion from dendritic cells stimulated by HVJ-E. Since a protocol for a clinical study of HVJ-E in malignant melanoma was approved in 2009 by the ethics committee of Osaka University and of the Medical Center for Translational Research in Osaka University Hospital, a phase I/IIa study for advanced malignant melanoma patients was just started. In this review, we show several favorable results regarding the antitumor effects of HVJ-E and describe the novel mechanism underlying this tumor immune response. Since we are conducting a phase I/IIa clinical trial using HVJ-E in advanced melanoma patients on the basis of preclinical results, detailed clinical information and immune-monitoring data are also introduced. The development of new therapeutic modalities for advanced melanoma patients is urgently needed, and we hope that HVJ-E may provide one such treatment.
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24
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Chang DZ, Lomazow W, Joy Somberg C, Stan R, Perales MA. Granulocyte-Macrophage Colony Stimulating Factor: An Adjuvant for Cancer Vaccines. Hematology 2013; 9:207-15. [PMID: 15204102 DOI: 10.1080/10245330410001701549] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
Granulocyte-macrophage colony stimulating factor (GM-CSF) enhances immune responses by inducing the proliferation, maturation, and migration of dendritic cells, and the expansion and differentiation of B and T lymphocytes. There is significant data in pre-clinical animal models demonstrating the adjuvant effects of GM-CSF in a variety of cancer vaccine approaches, including cellular vaccines, viral vaccines, peptide and protein vaccines, and DNA vaccines. GM-CSF is an attractive vaccine adjuvant because of its immune modulation effects and low toxicity profile. The results in animal models have been confirmed in pilot clinical trials and several clinical trials are currently ongoing.
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Affiliation(s)
- David Z Chang
- Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA
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25
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Suriano R, Rajoria S, L George A, Geliebter J, Wallack M, Tiwari RK. Ex vivo derived primary melanoma cells: implications for immunotherapeutic vaccines. J Cancer 2013; 4:371-82. [PMID: 23833682 PMCID: PMC3701807 DOI: 10.7150/jca.6625] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2013] [Accepted: 05/29/2013] [Indexed: 01/07/2023] Open
Abstract
Transformation of the pigment producing melanocytes into melanoma is a complex multi-step process involving the enhanced expression of various antigens considered as immunotherapeutic targets. Significant progress in melanoma research has been made over the years and has resulted in the identification of various antigens over expressed in melanoma as well as advances in immunotherapeutic treatments, which focus on modulating the immune systems response to melanoma. Despite these advances, incidences of melanoma are still on the rise thus warranting additional research in identifying new therapeutic treatments. Our focus is on developing a multivalent immunotherapeutic vaccine that targets various melanoma associated antigens. The approach focuses on the use of five primary patient derived melanoma cells (MEL-2, MEL-V, 3MM, KFM, and GLM-2, which have been characterized in this study. These cells express differential amounts of various melanoma associated antigens such as MART-1, gp100 (Pmel17), MAGE-A1 and tyrosinase as well a cell surface antigens essential for melanoma cell metastasis, such as CD146 and CD71. In addition these cells display differential in vitro migratory and invasive properties as well as have the ability to form solid tumors when implanted into BALB/c nude mice. The retention of the innate phenotype of these primary patient derived cells together with the expression of a multitude repertoire of melanoma associated antigens offers a novel opportunity to target melanoma so as to avoid immune evasion.
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Affiliation(s)
- Robert Suriano
- 1. Department of Microbiology and Immunology, New York Medical College, Valhalla, New York, 10595
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26
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Cintolo JA, Datta J, Mathew SJ, Czerniecki BJ. Dendritic cell-based vaccines: barriers and opportunities. Future Oncol 2013; 8:1273-99. [PMID: 23130928 DOI: 10.2217/fon.12.125] [Citation(s) in RCA: 95] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Dendritic cells (DCs) have several characteristics that make them an ideal vehicle for tumor vaccines, and with the first US FDA-approved DC-based vaccine in use for the treatment of prostate cancer, this technology has become a promising new therapeutic option. However, DC-based vaccines face several barriers that have limited their effectiveness in clinical trials. A major barrier includes the activation state of the DC. Both DC lineage and maturation signals must be selected to optimize the antitumor response and overcome immunosuppressive effects of the tumor microenvironment. Another barrier to successful vaccination is the selection of target antigens that will activate both CD8(+) and CD4(+) T cells in a potent, immune-specific manner. Finally, tumor progression and immune dysfunction limit vaccine efficacy in advanced stages, which may make DC-based vaccines more efficacious in treating early-stage disease. This review underscores the scientific basis and advances in the development of DC-based vaccines, focuses on current barriers to success and highlights new research opportunities to address these obstacles.
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Affiliation(s)
- Jessica A Cintolo
- Department of Surgery & Harrison Department of Surgical Research, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA
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27
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Maslin B, Alexandrescu DT, Ichim TE, Dasanu CA. Newer developments in the immunotherapy of malignant melanoma. J Oncol Pharm Pract 2013; 20:3-10. [DOI: 10.1177/1078155212472702] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Individuals with malignant melanoma present a variety of immune abnormalities including but not limited to cellular immune dysfunction, antigen presentation deficits, and cytokine production defects. Therefore, enhancing the immune system potential represents an appealing avenue for melanoma therapy. The authors review the immune therapies currently in clinical use as well as the most promising immunotherapy candidates. Ipilimumab, a monoclonal antibody against the CTLA-4, was approved for the therapy of advanced melanoma in 2011. In addition, sizeable anti-melanoma activity has recently been shown with the use of other agents including anti-PD-1/anti-PD-1 ligand antibodies. Consequently, these experimental immunotherapy agents may soon become important items in the anti-melanoma armamentarium.
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Affiliation(s)
- Benjamin Maslin
- Department of Medicine, Yale University School of Medicine, New Haven, CT, USA
| | | | | | - Constantin A Dasanu
- Department of Hematology-Oncology, St. Francis Hospital and Medical Center, Hartford, CT, USA
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28
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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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29
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Kirkwood JM, Butterfield LH, Tarhini AA, Zarour H, Kalinski P, Ferrone S. Immunotherapy of cancer in 2012. CA Cancer J Clin 2012; 62:309-35. [PMID: 22576456 PMCID: PMC3445708 DOI: 10.3322/caac.20132] [Citation(s) in RCA: 310] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The immunotherapy of cancer has made significant strides in the past few years due to improved understanding of the underlying principles of tumor biology and immunology. These principles have been critical in the development of immunotherapy in the laboratory and in the implementation of immunotherapy in the clinic. This improved understanding of immunotherapy, enhanced by increased insights into the mechanism of tumor immune response and its evasion by tumors, now permits manipulation of this interaction and elucidates the therapeutic role of immunity in cancer. Also important, this improved understanding of immunotherapy and the mechanisms underlying immunity in cancer has fueled an expanding array of new therapeutic agents for a variety of cancers. Pegylated interferon-α2b as an adjuvant therapy and ipilimumab as therapy for advanced disease, both of which were approved by the United States Food and Drug Administration for melanoma in March 2011, are 2 prime examples of how an increased understanding of the principles of tumor biology and immunology have been translated successfully from the laboratory to the clinical setting. Principles that guide the development and application of immunotherapy include antibodies, cytokines, vaccines, and cellular therapies. The identification and further elucidation of the role of immunotherapy in different tumor types, and the development of strategies for combining immunotherapy with cytotoxic and molecularly targeted agents for future multimodal therapy for cancer will enable even greater progress and ultimately lead to improved outcomes for patients receiving cancer immunotherapy.
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Affiliation(s)
- John M Kirkwood
- Melanoma and Skin Cancer Program, University of Pittsburgh Cancer Institute, Hillman Cancer Center, Pittsburgh, PA 15213, USA.
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30
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Cawood R, Hills T, Wong SL, Alamoudi AA, Beadle S, Fisher KD, Seymour LW. Recombinant viral vaccines for cancer. Trends Mol Med 2012; 18:564-74. [PMID: 22917663 DOI: 10.1016/j.molmed.2012.07.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2012] [Revised: 07/14/2012] [Accepted: 07/18/2012] [Indexed: 01/21/2023]
Abstract
Cancer arises from 'self' in a series of steps that are all subject to immunoediting. Therefore, therapeutic cancer vaccines must stimulate an immune response against tumour antigens that have already evaded the body's immune defences. Vaccines presenting a tumour antigen in the context of obvious danger signals seem more likely to stimulate a response. This approach can be facilitated by genetic engineering using recombinant viral vectors expressing tumour antigens, cytokines, or both, from an immunogenic virus particle. We overview clinical attempts to use these agents for systemic immunisation and contrast the results with strategies employing direct intratumoural administration. We focus on the challenge of producing an effective response within the immune-suppressive tumour microenvironment, and discuss how the technology can overcome these obstacles.
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Affiliation(s)
- Ryan Cawood
- Department of Oncology, University of Oxford, Oxford, OX3 7DQ, UK
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31
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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
Despite significant scientific knowledge in the field of cancer immunology, therapeutic strategies using cancer vaccines to generate anti-tumor immunity have historically resulted in only modest clinical benefit. Disappointing results from prior cancer vaccine trials are likely due to multifactorial causes. Perhaps the most important is the role of inherent tumor-induced immune suppression and enhanced immunologic tolerance. Current research directed toward understanding the mechanisms of immunologic tolerance has led to the development of promising therapeutic immune regulatory antibodies that inhibit immunologic checkpoints and subsequently enhance immunologic anti-tumor activity. This review discusses the prior challenges associated with cancer vaccines and describes how, by breaking immune inhibition and facilitating immune stimulation, immune regulatory antibodies show great promise in the treatment of a variety of tumors.
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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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Lemke CD, Graham JB, Geary SM, Zamba G, Lubaroff DM, Salem AK. Chitosan is a surprising negative modulator of cytotoxic CD8+ T cell responses elicited by adenovirus cancer vaccines. Mol Pharm 2011; 8:1652-61. [PMID: 21780831 DOI: 10.1021/mp100464y] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Adjuvants modulate protective CD8(+) T cell responses generated by cancer vaccines. We have previously shown that immunostimulatory cytosine-phosphodiester-guanine (CpG) oligodeoxynucleotide (ODN) significantly augments tumor protection in mice given adenovirus cancer vaccines. Here, we examined the impact of chitosan, another candidate vaccine adjuvant, on protection conferred by adenovirus cancer vaccines. Unexpectedly, immunization of mice with adenovirus cancer vaccines in combination with chitosan provided little protection against tumor challenge. This directly correlated with the reduced detection of Ag-specific CD8(+) T cells, interferon-γ (IFN-γ) production, and cytotoxic T cell activity. We ruled out immunosuppressive regulatory T cells since the frequency did not change regardless of whether chitosan was delivered. In mammalian cell lines, chitosan did not interfere with adenovirus transgene expression. However, infection of primary murine bone marrow-derived dendritic cells with adenovirus complexed with chitosan significantly reduced viability, transgene expression, and upregulation of major histocompatability (MHC) class I and CD86. Our in vitro observations indicate that chitosan dramatically inhibits adenovirus-mediated transgene expression and antigen presenting cell activation, which could prevent CD8(+) T cell activation from occurring in vivo. These surprising data demonstrate for the first time that chitosan vaccine formulations can negatively impact the induction of CD8(+) T cell responses via its effect on dendritic cells, which is clinically important since consideration of chitosan as an adjuvant for vaccine formulations is growing.
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Affiliation(s)
- Caitlin D Lemke
- College of Pharmacy, College of Public Health, University of Iowa, Iowa City, Iowa 52242, United States
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Abstract
The role of granulocyte-macrophage-colony-stimulating factor (GM-CSF) in the supportive care of cancer patients has been evaluated with promising results. More recently, GM-CSF has been added to regimens for the mobilization of hematopoietic progenitor cells. An expanding role for GM-CSF in regulating immune responses has been recognized based upon its activity on the development and maturation of antigen presenting cells and its capability for skewing the immune system toward Th1-type responses. GM-CSF has been shown to preferentially enhance both the numbers and activity of type 1 dendritic cells (DC1), the subsets of dendritic cells responsible for initiating cytotoxic immune responses. The increase in DC1 content and activity following local and systemic GM-CSF administration support a role for GM-CSF as an immune stimulant and vaccine adjuvant in cancer patients. GM-CSF has shown clinical activity as an immune stimulant in tumor cell and dendritic cell vaccines, and may increase antibody-dependent cellular cytotoxicity. The successful use of myeloid acting cytokines to enhance anti-tumor responses will likely require the utilization of GM-CSF in combination with cytotoxic or other targeted therapies.
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Affiliation(s)
- Martha Arellano
- Emory University, Winship Cancer Institute, Atlanta, GA, USA
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Hangalapura BN, Oosterhoff D, de Groot J, Boon L, Tüting T, van den Eertwegh AJ, Gerritsen WR, van Beusechem VW, Pereboev A, Curiel DT, Scheper RJ, de Gruijl TD. Potent antitumor immunity generated by a CD40-targeted adenoviral vaccine. Cancer Res 2011; 71:5827-37. [PMID: 21747119 DOI: 10.1158/0008-5472.can-11-0804] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In situ delivery of tumor-associated antigen (TAA) genes into dendritic cells (DC) has great potential as a generally applicable tumor vaccination approach. Although adenoviruses (Ad) are an attractive vaccine vehicle in this regard, Ad-mediated transduction of DCs is hampered by the lack of expression of the Ad receptor CAR on the DC surface. DC activation also requires interaction of CD40 with its ligand CD40L to generate protective T-cell-mediated tumor immunity. Therefore, to create a strategy to target Ads to DCs in vivo, we constructed a bispecific adaptor molecule with the CAR ectodomain linked to the CD40L extracellular domain via a trimerization motif (CFm40L). By targeting Ad to CD40 with the use of CFm40L, we enhanced both transduction and maturation of cultured bone marrow-derived DCs. Moreover, we improved transduction efficiency of DCs in lymph node and splenic cell suspensions in vitro and in skin and vaccination site-draining lymph nodes in vivo. Furthermore, CD40 targeting improved the induction of specific CD8(+) T cells along with therapeutic efficacy in a mouse model of melanoma. Taken together, our findings support the use of CD40-targeted Ad vectors encoding full-length TAA for in vivo targeting of DCs and high-efficacy induction of antitumor immunity.
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Affiliation(s)
- Basav N Hangalapura
- Department of Medical Oncology and Pathology, VU University Medical Center, Amsterdam, The Netherlands
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Selective transduction of dendritic cells in human lymph nodes and superior induction of high-avidity melanoma-reactive cytotoxic T cells by a CD40-targeted adenovirus. J Immunother 2011; 33:706-15. [PMID: 20664356 DOI: 10.1097/cji.0b013e3181eccbd4] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Targeted delivery of tumor antigen genes to dendritic cells (DCs) using adenoviral (Ad) vectors holds great potential for cancer immunotherapy. We previously showed that CD40 targeting of Ad vectors enhanced specific transduction of DC in human skin, while simultaneously ensuring their stable maturation and superior allogeneic T-cell stimulatory capacity. In this study, we evaluated whether CD40-targeted Ad encoding the full-length melanoma antigen recognized by T cells-1 (CD40-Ad-MART-1) could be used to efficiently and selectively transduce conventional and plasmacytoid DC to prime melanoma-specific CD8(+) T-effector cells in human melanoma-draining sentinel lymph nodes (SLNs). CD40 targeting of Ad was achieved using a bispecific fusion protein, binding and neutralizing the Ad fiber knob through soluble coxsackie and adenovirus receptor while retargeting the virus to hCD40 through the tumor necrosis factor-like domain of mCD40L. Selective transduction of conventional and plasmacytoid DC subsets by CD40-Ad was observed in suspensions of human melanoma-draining SLN. Moreover, CD40-Ad-MART-1 enhanced the expansion of functional MART-1-specific CD8(+) T cells from SLN with concomitant decreases in CD4:CD8 T-cell ratios and CD4(+)CD25(hi)FoxP3(+) regulatory T-cell rates. Additional studies revealed that transduction and activation of monocyte-derived DCs with CD40-Ad-MART-1 significantly enhanced their priming efficiency of functional CD8(+) effector T cells with high avidity. These findings provide preclinical evidence of possible efficacy of this approach for cancer immunotherapy.
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Quandt D, Fiedler E, Boettcher D, Marsch WC, Seliger B. B7-h4 expression in human melanoma: its association with patients' survival and antitumor immune response. Clin Cancer Res 2011; 17:3100-11. [PMID: 21378130 DOI: 10.1158/1078-0432.ccr-10-2268] [Citation(s) in RCA: 110] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Cancers have developed a number of strategies to escape immune responses including the differential expression of costimulatory molecules of the B7 family. B7-H3 and B7-H4 have recently been described in different tumor entities but the relevance for melanoma has not yet been studied so far. EXPERIMENTAL DESIGN Using immunohistochemistry, B7-H3 and B7-H4 expression was studied on 29 melanoma lesions. Survival curves and log-rank tests were used to test the association of protein expression with survival. Cell lines were evaluated for B7-H3 and B7-H4 expression by PCR and flow cytometry. Functional T-cell-tumor coculture assays were carried out with in vitro generated tumor transfectants. RESULTS B7-H3 and B7-H4 expression was detected in primary tumor lesions (29 of 29 and 28 of 29) and in metastases (28 of 29 and 26 of 29). The numbers of CD68(+) macrophages were significantly lower in patients with low B7-H4 expression, whereas CD8(+) T-cell infiltrates were independent of expression levels. Furthermore, a survival benefit for patients with B7-H4 low expressing melanoma was found, whereas B7-H3 was not associated with any clinical parameter. All 23 melanoma cell lines analyzed expressed B7-H3 and B7-H4 mRNA and protein, but B7-H4 was restricted to intracellular compartments. On silencing of B7-H3 by specific shRNA tumor-associated antigen-specific T cell responses were unaltered. Overexpression of B7-H4 on melanoma cells did not alter the cytotoxicity of different CD8(+) effector cells, but drastically inhibited cytokine production. CONCLUSIONS Our study provides for the first time evidence of B7-H4 expression on melanoma cells as a mechanism controlling tumor immunity which is associated with patients' survival.
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Affiliation(s)
- Dagmar Quandt
- Martin Luther University Halle-Wittenberg, Institute of Medical Immunology, Halle, Germany
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Development of an MHC class I L(d)-restricted PSA peptide-loaded tetramer for detection of PSA-specific CD8+ T cells in the mouse. Prostate Cancer Prostatic Dis 2011; 14:118-21. [PMID: 21263453 PMCID: PMC3094480 DOI: 10.1038/pcan.2010.57] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Objectives We set out to develop a prostate specific antigen (PSA) peptide-loaded tetramer for enumeration of PSA-specific CD8+ T cells in the Balb/c mouse model. Methods A candidate MHC class I PSA peptide (HPQKVTKFML188–197) was selected based on its ability to restimulate PSA-specific CD8+ T cells to secrete IFN-γ in our assays. Next, H-2Ld-restricted peptide-loaded and fluorescently labeled tetramers were produced in conjunction with the NIH Tetramer Core Facility. This tetramer was then tested for staining specificity and optimized for detection of PSA-specific CD8+ T cells induced by our PSA-encoding adenovirus tumor vaccine. Results The MHC class I PSA peptide demonstrated successful restimulation of CD8+ T cells isolated from mice previously vaccinated with a PSA-encoding adenovirus tumor vaccine, with no restimulation observed in control vaccinated mice. The peptide-loaded H-2Ld tetramer exhibited the desired binding specificity and allowed for detection and frequency determination of PSA-specific CD8+ T cells by flow cytometry. Conclusions We have successfully designed and validated a PSA peptide tetramer for use in the Balb/c mouse model that can be used to test PSA-based prostate cancer vaccines. Until now, PSA-specific CD8+ T cells in the mouse have only been detectable via cytotoxic T lymphocyte (CTL) assays or intracellular cytokine staining, which primarily assess Ag-specific functional activity, not their absolute number. This research tool provides laboratories the ability to directly quantitate CD8+ T cells elicited by PSA-specific immunotherapies and cancer vaccines that are tested in mouse models.
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The immunosuppressive tumor environment is the major impediment to successful therapeutic vaccination in Neu transgenic mice. J Immunother 2010; 33:482-91. [PMID: 20463599 DOI: 10.1097/cji.0b013e3181d756bb] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
We earlier showed that therapeutic vaccination of FVB/N mice with alphaviral replicon particles expressing rat neuET-VRP induced regression of established neu-expressing tumors. In this study, we evaluated the efficacy of neuET-VRPs in a tolerant mouse model using mice with transgenic expression of neu. Using the same approach that induced regression of 70 mm(2) tumors in FVB/N mice, we were unable to inhibit tumor growth in tolerant neu-N mice, despite showing neu-specific B-cell and T-cell responses post vaccination. As neu-N mice have a limited T-cell repertoire specific to neu, we hypothesized that the absence of these T cells led to differences in the vaccine response. However, transfer of neu-specific T cells from vaccinated FVB/N mice was not effective in inducing tumor regression, as these cells did not proliferate in the tumor-draining lymph node. Vaccination given with low-dose cyclophosphamide to deplete regulatory T cells delayed tumor growth but did not result in tumor regression. Finally, we showed that T cells given with vaccination were effective in inhibiting tumor growth, if administered with approaches to deplete myeloid-derived suppressor cells. Our data show that both central deletion of lymphocytes and peripheral immunosuppressive mechanisms are present in neu-N mice. However, the major impediment to successful vaccination is the peripheral tumor-induced immune suppression.
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Alexandrescu DT, Ichim TE, Riordan NH, Marincola FM, Di Nardo A, Kabigting FD, Dasanu CA. Immunotherapy for melanoma: current status and perspectives. J Immunother 2010; 33:570-90. [PMID: 20551839 PMCID: PMC3517185 DOI: 10.1097/cji.0b013e3181e032e8] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Immunotherapy is an important modality in the therapy of patients with malignant melanoma. As our knowledge about this disease continues to expand, so does the immunotherapeutic armamentarium. Nevertheless, successful preclinical models do not always translate into clinically meaningful results. The authors give a comprehensive analysis of most recent advances in the immune anti-melanoma therapy, including interleukins, interferons, other cytokines, adoptive immunotherapy, biochemotherapy, as well as the use of different vaccines. We also present the fundamental concepts behind various immune enhancement strategies, passive immunotherapy, as well as the use of immune adjuvants. This review brings into discussion the results of newer and older clinical trials, as well as potential limitations and drawbacks seen with the utilization of various immune therapies in malignant melanoma. Development of novel therapeutic approaches, along with optimization of existing therapies, continues to hold a great promise in the field of melanoma therapy research. Use of anti-CTLA4 and anti-PD1 antibodies, realization of the importance of co-stimulatory signals, which translated into the use of agonist CD40 monoclonal antibodies, as well as activation of innate immunity through enhanced expression of co-stimulatory molecules on the surface of dendritic cells by TLR agonists are only a few items on the list of recent advances in the treatment of melanoma. The need to engineer better immune interactions and to boost positive feedback loops appear crucial for the future of melanoma therapy, which ultimately resides in our understanding of the complexity of immune responses in this disease.
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Affiliation(s)
- Doru T Alexandrescu
- Division of Dermatology, University of California at San Diego, San Diego, CA, USA.
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42
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Abstract
Anal melanoma is rare and aggressive malignancy. Patients commonly present with advanced, even metastatic disease. Unlike cutaneous melanoma, anal melanoma has no known risk factors. Surgical excision remains the cornerstone of therapy. There are no long-term survivors of stage II or III disease; therefore, early diagnosis and treatment remain crucial. There are no trials definitively proving abdominal perineal resection (APR) or wide local excision (WLE) to yield superior long-term survival. APR may offer a higher rate of local control, whereas WLE offers a much less morbid operation. Adjuvant chemotherapy, interferon, and radiation may offer some benefit.
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Affiliation(s)
- Marc Singer
- Department of Surgery, Washington University School of Medicine, St. Louis, MO 63110-1010, USA
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43
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Tremoulet AH, Albani S. Immunomics in clinical development: bridging the gap. Expert Rev Clin Immunol 2010; 1:3-6. [PMID: 20477648 DOI: 10.1586/1744666x.1.1.3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Clarke JM, Morse MA, Lyerly HK, Clay T, Osada T. Adenovirus vaccine immunotherapy targeting WT1-expressing tumors. Expert Opin Biol Ther 2010; 10:875-83. [DOI: 10.1517/14712591003798278] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Elias EG, Hasskamp JH, Sharma BK. Biology of human cutaneous melanoma. Cancers (Basel) 2010; 2:165-89. [PMID: 24281039 PMCID: PMC3827598 DOI: 10.3390/cancers2010165] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2010] [Revised: 03/04/2010] [Accepted: 03/09/2010] [Indexed: 11/20/2022] Open
Abstract
A review of the natural behavior of cutaneous melanoma, clinical and pathological factors, prognostic indicators, some basic research and the present and possible futuristic strategies in the management of this disease are presented. While surgery remains to be the most effective therapeutic approach in the management of early primary lesions, there is no standard adjuvant therapy after surgical resection, or for metastatic disease.
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Affiliation(s)
- Elias G Elias
- Maryland Melanoma Center, Weinberg Cancer Institute, Franklin Square Hospital Center, Baltimore, MD, USA.
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Poehlein CH, Haley DP, Walker EB, Fox BA. Depletion of tumor-induced Treg prior to reconstitution rescues enhanced priming of tumor-specific, therapeutic effector T cells in lymphopenic hosts. Eur J Immunol 2010; 39:3121-33. [PMID: 19839008 DOI: 10.1002/eji.200939453] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We reported previously that vaccination of reconstituted, lymphopenic mice resulted in a higher frequency of tumor-specific effector T cells with therapeutic activity than vaccination of normal mice. Here, we show that lymphopenic mice reconstituted with spleen cells from tumor-bearing mice (TBM), a situation that resembles the clinical condition, failed to generate tumor-specific T cells with therapeutic efficacy. However, depletion of CD25(+) Treg from the spleen cells of TBM restored tumor-specific priming and therapeutic efficacy. Adding back TBM CD25(+) Treg to CD25(-) naïve and TBM donor T cells prior to reconstitution confirmed their suppressive role. CD25(+) Treg from TBM prevented priming of tumor-specific T cells since subsequent depletion of CD4(+) T cells did not restore therapeutic efficacy. This effect may not be antigen-specific as three histologically distinct tumors generated CD25(+) Treg that could suppress the T-cell immune response to a melanoma vaccine. Importantly, since ex vivo depletion of CD25(+) Treg from TBM spleen cells prior to reconstitution and vaccination fully restored the generation of therapeutic effector T cells, even in animals with established tumor burden, we have initiated a translational clinical trial of this strategy in patients with metastatic melanoma.
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Affiliation(s)
- Christian H Poehlein
- Laboratory of Molecular and Tumor Immunology, Earle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, Portland, OR 97213, USA
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47
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48
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Vaccination of Melanoma Patients With Melan-A/Mart-1 Peptide and Klebsiella Outer Membrane Protein P40 as an Adjuvant. J Immunother 2009; 32:875-83. [DOI: 10.1097/cji.0b013e3181b56ad9] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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49
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Kohlmeyer J, Cron M, Landsberg J, Bald T, Renn M, Mikus S, Bondong S, Wikasari D, Gaffal E, Hartmann G, Tüting T. Complete regression of advanced primary and metastatic mouse melanomas following combination chemoimmunotherapy. Cancer Res 2009; 69:6265-74. [PMID: 19622767 DOI: 10.1158/0008-5472.can-09-0579] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The development of therapeutic strategies which induce effective cellular antitumor immunity represents an important goal in cancer immunology. Here, we used the unique features of the genetically engineered Hgf-Cdk4(R24C) mouse model to identify a combination chemoimmunotherapy for melanoma. These mice develop primary cutaneous melanomas which grow progressively and metastasize in the absence of immunogenic foreign proteins such as oncogenes or antigens. Primary and metastatic tumors evade innate and adaptive immune defenses, although they naturally express melanocytic antigens which can be recognized by antigen-specific T cells. We found that primary melanomas continued to grow despite infiltration with adoptively transferred, in vivo-activated, tumor-specific CD8(+) T cells. To promote tumor immune defense, we developed a treatment protocol consisting of four complementary components: (a) chemotherapeutic preconditioning prior to (b) adoptive lymphocyte transfer and (c) viral vaccination followed by (d) adjuvant peritumoral injections of immunostimulatory nucleic acids. Lymphocyte ablation and innate antiviral immune stimulation cooperatively enhanced the expansion and the effector cell differentiation of adoptively transferred lymphocytes. The efficacy of the different treatment approaches converged in the tumor microenvironment and induced a strong cytotoxic inflammatory response enabling preferential recognition and destruction of melanoma cells. This combination chemoimmunotherapy caused complete regression of advanced primary melanomas in the skin and metastases in the lung with minimal autoimmune side effects. Our results in a clinically highly relevant experimental model provide a scientific rationale to evaluate similar strategies which unleash the power of innate and adaptive immune defense in future clinical trials.
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Affiliation(s)
- Judith Kohlmeyer
- Department of Dermatology and Allergology, Laboratory of Experimental Dermatology, Institute of Clinical Chemistry and Pharmacology, University of Bonn, Bonn, Germany
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50
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Eapen S, Dutcher JP. A Review of Evidence-Based Treatment of Stage IIB to Stage IV Melanoma. Cancer Invest 2009; 23:323-37. [PMID: 16100945 DOI: 10.1081/cnv-58865] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Saji Eapen
- Our Lady of Mercy Cancer Center, New York Medical College, Bronx, New York 10466, USA
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