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Shakiba Y, Vorobyev PO, Mahmoud M, Hamad A, Kochetkov DV, Yusubalieva GM, Baklaushev VP, Chumakov PM, Lipatova AV. Recombinant Strains of Oncolytic Vaccinia Virus for Cancer Immunotherapy. BIOCHEMISTRY. BIOKHIMIIA 2023; 88:823-841. [PMID: 37748878 DOI: 10.1134/s000629792306010x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 04/06/2023] [Accepted: 04/24/2023] [Indexed: 09/27/2023]
Abstract
Cancer virotherapy is an alternative therapeutic approach based on the viruses that selectively infect and kill tumor cells. Vaccinia virus (VV) is a member of the Poxviridae, a family of enveloped viruses with a large linear double-stranded DNA genome. The proven safety of the VV strains as well as considerable transgene capacity of the viral genome, make VV an excellent platform for creating recombinant oncolytic viruses for cancer therapy. Furthermore, various genetic modifications can increase tumor selectivity and therapeutic efficacy of VV by arming it with the immune-modulatory genes or proapoptotic molecules, boosting the host immune system, and increasing cross-priming recognition of the tumor cells by T-cells or NK cells. In this review, we summarized the data on bioengineering approaches to develop recombinant VV strains for enhanced cancer immunotherapy.
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Affiliation(s)
- Yasmin Shakiba
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, 141701, Russia.
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia
| | - Pavel O Vorobyev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia.
| | - Marah Mahmoud
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia.
| | - Azzam Hamad
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia.
| | - Dmitriy V Kochetkov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia.
| | - Gaukhar M Yusubalieva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia.
- Federal Research Clinical Center for Specialized Medical Care and Medical Technologies, Federal Medical-Biological Agency (FMBA), Moscow, 115682, Russia
- Federal Center of Brain Research and Neurotechnologies of the FMBA of Russia, Moscow, 117513, Russia
| | - Vladimir P Baklaushev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia.
- Federal Research Clinical Center for Specialized Medical Care and Medical Technologies, Federal Medical-Biological Agency (FMBA), Moscow, 115682, Russia
- Federal Center of Brain Research and Neurotechnologies of the FMBA of Russia, Moscow, 117513, Russia
| | - Peter M Chumakov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia.
| | - Anastasia V Lipatova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia.
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Phase II trial of CV301 vaccine combined with atezolizumab in advanced urothelial carcinoma. Cancer Immunol Immunother 2023; 72:775-782. [PMID: 35998004 DOI: 10.1007/s00262-022-03274-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 08/10/2022] [Indexed: 10/15/2022]
Abstract
CV301 comprises recombinant poxviruses, Modified Vaccinia Ankara (MVA) and Fowlpox (FPV), encoding CEA, MUC-1, and co-stimulatory Molecules (TRICOM) ICAM-1, LFA-3, and B7-1. MVA-BN-CV301 is used for priming and FPV-CV301 is used for boosting. A Phase 2, single-arm trial was designed to evaluate CV301 plus atezolizumab as first-line treatment for cisplatin-ineligible advanced urothelial carcinoma (aUC) (Cohort 1) or progressing after platinum chemotherapy (Cohort 2). MVA-CV301 was given subcutaneously (SC) on Days 1 and 22 and FPV-CV301 SC from day 43 every 21 days for 4 doses, then tapered gradually over up to 2 years. Atezolizumab 1200 mg IV was given every 21 days. The primary endpoint was objective response rate (ORR). Overall, 43 evaluable patients received therapy: 19 in Cohort 1; 24 in Cohort 2; nine experienced ≥ Grade 3 therapy-related adverse events. In Cohort 1, one had partial response (PR) (ORR 5.3%, 90% CI 0.3, 22.6). In Cohort 2, 1 complete response and 1 PR were noted (ORR 8.3%, 90% CI 1.5, 24.0). The trial was halted for futility. Patients exhibiting benefit demonstrated T-cell response to CEA and MUC-1. The trial illustrates the challenges in the development of vaccines, which should be guided by robust preclinical data.
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Chiang CLL, Rovelli R, Sarivalasis A, Kandalaft LE. Integrating Cancer Vaccines in the Standard-of-Care of Ovarian Cancer: Translating Preclinical Models to Human. Cancers (Basel) 2021; 13:cancers13184553. [PMID: 34572778 PMCID: PMC8469371 DOI: 10.3390/cancers13184553] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/01/2021] [Accepted: 09/06/2021] [Indexed: 12/22/2022] Open
Abstract
Simple Summary The overall survival of ovarian cancer (OC) remains poor for most patients. Despite incorporation of novel therapeutic agents such as bevacizumab and PARP inhibitors to OC standard-of-care, efficacy is only observed in a subset of patients. Cancer vaccination has demonstrated effectiveness in OC patients and could be considered for potential incorporation into OC standard-of-care. This review provides an overview of the different types of cancer vaccination strategies and discusses the use of murine OC tumor models to evaluate combinatorial regimens comprising cancer vaccines and OC standard-of-care. Abstract As the majority of ovarian cancer (OC) patients are diagnosed with metastatic disease, less than 40% will survive past 5 years after diagnosis. OC is characterized by a succession of remissions and recurrences. The most promising time point for immunotherapeutic interventions in OC is following debulking surgery. Accumulating evidence shows that T cells are important in OC; thus, cancer vaccines capable of eliciting antitumor T cells will be effective in OC treatment. In this review, we discuss different cancer vaccines and propose strategies for their incorporation into the OC standard-of-care regimens. Using the murine ID8 ovarian tumor model, we provide evidence that a cancer vaccine can be effectively combined with OC standard-of-care to achieve greater overall efficacy. We demonstrate several important similarities between the ID8 model and OC patients, in terms of response to immunotherapies, and the ID8 model can be an important tool for evaluating combinatorial regimens and clinical trial designs in OC. Other emerging models, including patient-derived xenograft and genetically engineered mouse models, are continuing to improve and can be useful for evaluating cancer vaccination therapies in the near future. Here, we provide a comprehensive review of the completed and current clinical trials evaluating cancer vaccines in OC.
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Affiliation(s)
- Cheryl Lai-Lai Chiang
- Department of Oncology, Centre Hospitalier Universitaire Vaudois (CHUV), University of Lausanne, CH-1011 Lausanne, Switzerland; (R.R.); (A.S.)
- Ludwig Institute for Cancer Research, University of Lausanne, CH-1066 Lausanne, Switzerland
- Correspondence: (C.L.-L.C.); (L.E.K.)
| | - Raphaël Rovelli
- Department of Oncology, Centre Hospitalier Universitaire Vaudois (CHUV), University of Lausanne, CH-1011 Lausanne, Switzerland; (R.R.); (A.S.)
- Ludwig Institute for Cancer Research, University of Lausanne, CH-1066 Lausanne, Switzerland
| | - Apostolos Sarivalasis
- Department of Oncology, Centre Hospitalier Universitaire Vaudois (CHUV), University of Lausanne, CH-1011 Lausanne, Switzerland; (R.R.); (A.S.)
| | - Lana E. Kandalaft
- Department of Oncology, Centre Hospitalier Universitaire Vaudois (CHUV), University of Lausanne, CH-1011 Lausanne, Switzerland; (R.R.); (A.S.)
- Ludwig Institute for Cancer Research, University of Lausanne, CH-1066 Lausanne, Switzerland
- Center of Experimental Therapeutics, Department of Oncology, Centre Hospitalier Universitaire Vaudois (CHUV), CH-1011 Lausanne, Switzerland
- Correspondence: (C.L.-L.C.); (L.E.K.)
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Ekeke CN, Russell KL, Joubert K, Bartlett DL, Luketich JD, Soloff AC, Guo ZS, Lotze MT, Dhupar R. Fighting Fire With Fire: Oncolytic Virotherapy for Thoracic Malignancies. Ann Surg Oncol 2021; 28:2715-2727. [PMID: 33575873 PMCID: PMC8043873 DOI: 10.1245/s10434-020-09477-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 11/02/2020] [Indexed: 12/24/2022]
Abstract
Thoracic malignancies are associated with high mortality rates. Conventional therapy for many of the patients with thoracic malignancies is obviated by a high incidence of locoregional recurrence and distant metastasis. Fortunately, developments in immunotherapy provide effective strategies for both local and systemic treatments that have rapidly advanced during the last decade. One promising approach to cancer immunotherapy is to use oncolytic viruses, which have the advantages of relatively high tumor specificity, selective replication-mediated oncolysis, enhanced antigen presentation, and potential for delivery of immunogenic payloads such as cytokines, with subsequent elicitation of effective antitumor immunity. Several oncolytic viruses including adenovirus, coxsackievirus B3, herpes virus, measles virus, reovirus, and vaccinia virus have been developed and applied to thoracic cancers in preclinical murine studies and clinical trials. This review discusses the current state of oncolytic virotherapy in lung cancer, esophageal cancer, and metastatic malignant pleural effusions and considers its potential as an emergent therapeutic for these patients.
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Affiliation(s)
- Chigozirim N Ekeke
- Department of Cardiothoracic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Kira L Russell
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Kyla Joubert
- Department of Cardiothoracic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - David L Bartlett
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - James D Luketich
- Department of Cardiothoracic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Adam C Soloff
- Department of Cardiothoracic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Zong Sheng Guo
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Michael T Lotze
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Departments of Immunology and Bioengineering, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Rajeev Dhupar
- Department of Cardiothoracic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
- Veterans Affairs Pittsburgh Healthcare System, Surgical Services Division, Pittsburgh, PA, USA.
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Gatti-Mays ME, Strauss J, Donahue RN, Palena C, Del Rivero J, Redman JM, Madan RA, Marté JL, Cordes LM, Lamping E, Orpia A, Burmeister A, Wagner E, Pico Navarro C, Heery CR, Schlom J, Gulley JL. A Phase I Dose-Escalation Trial of BN-CV301, a Recombinant Poxviral Vaccine Targeting MUC1 and CEA with Costimulatory Molecules. Clin Cancer Res 2019; 25:4933-4944. [PMID: 31110074 DOI: 10.1158/1078-0432.ccr-19-0183] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 03/26/2019] [Accepted: 05/16/2019] [Indexed: 01/28/2023]
Abstract
PURPOSE BN-CV301 is a poxviral-based vaccine comprised of recombinant (rec.) modified vaccinia Ankara (MVA-BN-CV301; prime) and rec. fowlpox (FPV-CV301; boost). Like its predecessor PANVAC, BN-CV301 contains transgenes encoding tumor-associated antigens MUC1 and CEA as well as costimulatory molecules (B7.1, ICAM-1, and LFA-3). PANVAC was reengineered to make it safer and more antigenic. PATIENTS AND METHODS This open-label, 3+3 design, dose-escalation trial evaluated three dose levels (DL) of MVA-BN-CV301: one, two, or four subcutaneous injections of 4 × 108 infectious units (Inf.U)/0.5 mL on weeks 0 and 4. All patients received FPV-CV301 subcutaneously at 1 × 109 Inf.U/0.5 mL every 2 weeks for 4 doses, then every 4 weeks. Clinical and immune responses were evaluated. RESULTS There were no dose-limiting toxicities. Twelve patients enrolled on trial [dose level (DL) 1 = 3, DL2 = 3, DL3 = 6). Most side effects were seen with the prime doses and lessened with subsequent boosters. All treatment-related adverse events were temporary, self-limiting, grade 1/2, and included injection-site reactions and flu-like symptoms. Antigen-specific T cells to MUC1 and CEA, as well as to a cascade antigen, brachyury, were generated in most patients. Single-agent BN-CV301 produced a confirmed partial response (PR) in 1 patient and prolonged stable disease (SD) in multiple patients, most notably in KRAS-mutant gastrointestinal tumors. Furthermore, 2 patients with KRAS-mutant colorectal cancer had prolonged SD when treated with an anti-PD-L1 antibody following BN-CV301. CONCLUSIONS The BN-CV301 vaccine can be safely administered to patients with advanced cancer. Further studies of the vaccine in combination with other agents are planned.See related commentary by Repáraz et al., p. 4871.
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Affiliation(s)
- Margaret E Gatti-Mays
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Julius Strauss
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Renee N Donahue
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Claudia Palena
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Jaydira Del Rivero
- Pediatric Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Jason M Redman
- Medical Oncology Service, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Ravi A Madan
- Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Jennifer L Marté
- Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Lisa M Cordes
- Oncology Clinical Pharmacy, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Elizabeth Lamping
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Alanvin Orpia
- Leidos Biomedical Research, Inc., Frederick, Maryland
| | | | - Eva Wagner
- Bavarian Nordic GmbH, Martinsried, Germany
| | | | | | - Jeffrey Schlom
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - James L Gulley
- Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland.
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Guo ZS, Lu B, Guo Z, Giehl E, Feist M, Dai E, Liu W, Storkus WJ, He Y, Liu Z, Bartlett DL. Vaccinia virus-mediated cancer immunotherapy: cancer vaccines and oncolytics. J Immunother Cancer 2019; 7:6. [PMID: 30626434 PMCID: PMC6325819 DOI: 10.1186/s40425-018-0495-7] [Citation(s) in RCA: 176] [Impact Index Per Article: 35.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 12/26/2018] [Indexed: 12/11/2022] Open
Abstract
Cancer vaccines and oncolytic immunotherapy are promising treatment strategies with potential to provide greater clinical benefit to patients with advanced-stage cancer. In particular, recombinant vaccinia viruses (VV) hold great promise as interventional agents. In this article, we first summarize the current understanding of virus biology and viral genes involved in host-virus interactions to further improve the utility of these agents in therapeutic applications. We then discuss recent findings from basic and clinical studies using VV as cancer vaccines and oncolytic immunotherapies. Despite encouraging results gleaned from translational studies in animal models, clinical trials implementing VV vectors alone as cancer vaccines have yielded largely disappointing results. However, the combination of VV vaccines with alternate forms of standard therapies has resulted in superior clinical efficacy. For instance, combination regimens using TG4010 (MVA-MUC1-IL2) with first-line chemotherapy in advanced-stage non-small cell lung cancer or combining PANVAC with docetaxel in the setting of metastatic breast cancer have clearly provided enhanced clinical benefits to patients. Another novel cancer vaccine approach is to stimulate anti-tumor immunity via STING activation in Batf3-dependent dendritic cells (DC) through the use of replication-attenuated VV vectors. Oncolytic VVs have now been engineered for improved safety and superior therapeutic efficacy by arming them with immune-stimulatory genes or pro-apoptotic molecules to facilitate tumor immunogenic cell death, leading to enhanced DC-mediated cross-priming of T cells recognizing tumor antigens, including neoantigens. Encouraging translational and early phase clinical results with Pexa-Vec have matured into an ongoing global phase III trial for patients with hepatocellular carcinoma. Combinatorial approaches, most notably those using immune checkpoint blockade, have produced exciting pre-clinical results and warrant the development of innovative clinical studies. Finally, we discuss major hurdles that remain in the field and offer some perspectives regarding the development of next generation VV vectors for use as cancer therapeutics.
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Affiliation(s)
- Zong Sheng Guo
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA.
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Binfeng Lu
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Zongbi Guo
- Fujian Tianjian Pharmaceutical Co. Ltd., Sanming, Fujian, China
| | - Esther Giehl
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Mathilde Feist
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Enyong Dai
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Weilin Liu
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Walter J Storkus
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Department of Dermatology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Yukai He
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Zuqiang Liu
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - David L Bartlett
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
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Kulikova EV, Kurilin VV, Shevchenko JA, Obleukhova IA, Khrapov EA, Boyarskikh UA, Filipenko ML, Shorokhov RV, Yakushenko VK, Sokolov AV, Sennikov SV. Dendritic Cells Transfected with a DNA Construct Encoding Tumour-associated Antigen Epitopes Induce a Cytotoxic Immune Response Against Autologous Tumour Cells in a Culture of Mononuclear Cells from Colorectal Cancer Patients. Scand J Immunol 2015; 82:110-7. [PMID: 25966778 DOI: 10.1111/sji.12311] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Accepted: 05/02/2015] [Indexed: 12/30/2022]
Abstract
Significant effort has been devoted to developing effective cancer vaccines based on dendritic cells (DCs) loaded with various tumour antigens, including DNA constructs that carry sequences of tumour-associated antigens (TAAs). Such vaccines efficiently and selectively activate the T cell immune response. In this study, we describe a method to induce an antitumour immune response in mononuclear cell (MNC) cultures from colorectal cancer patients using DNA-transfected DCs encoding TAA epitopes of carcinoembryonic antigen, epithelial cell adhesion molecule and mucin 4. DCs were obtained from peripheral blood monocytes of colorectal cancer patients. Magnetic-assisted transfection was used to deliver the genetic constructs to DCs. To assess the potency of the immune response, the antitumour cytotoxic response was assessed by lymphocyte intracellular perforin and the MNC cytotoxic activity against autologous tumour cells. We showed that polyepitope DNA-transfected DCs enhanced MNC antitumour activity, increasing tumour cell death and the percentage of perforin-positive lymphocytes. In addition, DNA-transfected DCs elicited a cytotoxic response that was as efficient as that of tumour lysate-loaded DCs. Taken together, the data suggest that it is feasible to induce an antitumour immune response in colorectal MNCs using transfected DCs. Thus, the DNA construct reported in this study may potentially be used in therapeutic and prophylactic DC-based vaccines.
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Affiliation(s)
- E V Kulikova
- Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Novosibirsk, Russian Federation
| | - V V Kurilin
- Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Novosibirsk, Russian Federation
| | - J A Shevchenko
- Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Novosibirsk, Russian Federation
| | - I A Obleukhova
- Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Novosibirsk, Russian Federation
| | - E A Khrapov
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russian Federation
| | - U A Boyarskikh
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russian Federation
| | - M L Filipenko
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russian Federation
| | - R V Shorokhov
- City Clinical Hospital No. 1, Novosibirsk, Russian Federation
| | - V K Yakushenko
- City Clinical Hospital No. 11, Novosibirsk, Russian Federation
| | - A V Sokolov
- City Clinical Hospital No. 1, Novosibirsk, Russian Federation
| | - S V Sennikov
- Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Novosibirsk, Russian Federation
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Viral Vector Vaccines To Treat Colorectal Cancer. CURRENT COLORECTAL CANCER REPORTS 2013. [DOI: 10.1007/s11888-013-0185-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Bentley K, Armesto M, Britton P. Infectious Bronchitis Virus as a Vector for the Expression of Heterologous Genes. PLoS One 2013; 8:e67875. [PMID: 23840781 PMCID: PMC3694013 DOI: 10.1371/journal.pone.0067875] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2013] [Accepted: 05/23/2013] [Indexed: 01/31/2023] Open
Abstract
The avian coronavirus infectious bronchitis virus (IBV) is the causative agent of the respiratory disease infectious bronchitis of domestic fowl, and is controlled by routine vaccination. To explore the potential use of IBV as a vaccine vector a reverse genetics system was utilised to generate infectious recombinant IBVs (rIBVs) expressing the reporter genes enhanced green fluorescent protein (eGFP) or humanised Renilla luciferase (hRluc). Infectious rIBVs were obtained following the replacement of Gene 5 or the intergenic region (IR) with eGFP or hRluc, or the replacement of ORFs 3a and 3b with hRluc. The replacement of Gene 5 with an IBV codon-optimised version of the hRluc gene also resulted in successful rescue of infectious rIBV. Reporter gene expression was confirmed by fluorescence microscopy, or luciferase activity assays, for all successfully rescued rIBVs following infection of primary chick kidney (CK) cells. The genetic stability of rIBVs was analysed by serial passage on CK cells. Recombinant IBV stability varied depending on the genome region being replaced, with the reporter genes maintained up to at least passage 8 (P8) following replacement of Gene 5, P7 for replacement of the IR and P5 for replacement of ORFs 3a and 3b. Codon-optimisation of the hRluc gene, when replacing Gene 5, resulted in an increase in genome stability, with hRluc expression stable up to P10 compared to P8 for standard hRluc. Repeated passaging of rIBVs expressing hRluc at an MOI of 0.01 demonstrated an increase in stability, with hRluc expression stable up to at least P12 following the replacement of Gene 5. This study has demonstrated that heterologous genes can be incorporated into, and expressed from a range of IBV genome locations and that replacement of accessory Gene 5 offers a promising target for realising the potential of IBV as a vaccine vector for other avian pathogens.
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Affiliation(s)
- Kirsten Bentley
- Compton Laboratory, Avian Viral Diseases, The Pirbright Institute, Compton, Newbury, Berkshire, United Kingdom
| | - Maria Armesto
- Compton Laboratory, Avian Viral Diseases, The Pirbright Institute, Compton, Newbury, Berkshire, United Kingdom
| | - Paul Britton
- Compton Laboratory, Avian Viral Diseases, The Pirbright Institute, Compton, Newbury, Berkshire, United Kingdom
- * E-mail:
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Induction of antitumor immunity ex vivo using dendritic cells transduced with fowl pox vector expressing MUC1, CEA, and a triad of costimulatory molecules (rF-PANVAC). J Immunother 2013; 35:555-69. [PMID: 22892452 DOI: 10.1097/cji.0b013e31826a73de] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The fowl pox vector expressing the tumor-associated antigens, mucin-1 and carcinoembryonic antigen in the context of costimulatory molecules (rF-PANVAC) has shown promise as a tumor vaccine. However, vaccine-mediated expansion of suppressor T-cell populations may blunt clinical efficacy. We characterized the cellular immune response induced by ex vivo dendritic cells (DCs) transduced with (rF)-PANVAC. Consistent with the functional characteristics of potent antigen-presenting cells, rF-PANVAC-DCs demonstrated strong expression of mucin-1 and carcinoembryonic antigen and costimulatory molecules, CD80, CD86, and CD83; decreased levels of phosphorylated STAT3, and increased levels of Tyk2, Janus kinase 2, and STAT1. rF-PANVAC-DCs stimulated expansion of tumor antigen-specific T cells with potent cytolytic capacity. However, rF-PANVAC-transduced DCs also induced the concurrent expansion of FOXP3 expressing CD4CD25 regulatory T cells (Tregs) that inhibited T-cell activation. Moreover, Tregs expressed high levels of Th2 cytokines [interleukin (IL)-10, IL-4, IL-5, and IL-13] together with phosphorylated STAT3 and STAT6. In contrast, the vaccine-expanded Treg population expressed high levels of Th1 cytokines IL-2 and interferon-γ and the proinflammatory receptor-related orphan receptor γt (RORγt) and IL-17A suggesting that these cells may share effector functions with conventional TH17 T cells. These data suggest that Tregs expanded by rF-PANVAC-DCs, exhibit immunosuppressive properties potentially mediated by Th2 cytokines, but simultaneous expression of Th1 and Th17-associated factors suggests a high degree of plasticity.
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Zhang J, Yu J, Yang L, Li H, Wei F, Zhao H, Yu W, Ren X. Enhanced activation of human dendritic cells by silencing SOCS1 and activating TLRs simultaneously. Cancer Immunol Immunother 2012; 61:1653-61. [PMID: 22366886 PMCID: PMC11028872 DOI: 10.1007/s00262-012-1218-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2011] [Accepted: 02/01/2012] [Indexed: 10/28/2022]
Abstract
There was established evidence that silencing the attenuator and activating the TLRs could activate the dendritic cells in synergic effects. In this study, we constructed a plasmid, namely pshS1NH, which encodes SOCS1-shRNA, NY-ESO-1-MAGE3 (HLA-A2*0201) fusion antigen and secretory HMGB1, an agent used to modify dendritic cells (DCs), aiming to generate potent DC vaccine against tumors. The SOCS1-shRNA could efficiently downregulate the expression of SOCS1, as indicated by real-time RT-PCR and Western blot. The fusion antigen was detected in the pshS1NH-DCs by PCR and Western blot. Simultaneously, HMGB1 level in the pshS1NH-DCs culture media was significantly higher than that in the control DCs culture media. Levels of Th1 cytokines in pshS1NH-DCs culture media, such as IL-1β, IL-6, TNF-α and IL-12p70, were dramatically higher than those in control DCs culture media. In addition, lymphocytes co-cultured with pshS1NH-DCs secreted dramatically higher level of IFN-γ, whereas no difference was detected in IL-4 levels. Taken together, these data suggest that pshS1NH-DCs may be a potential adjuvant immunotherapy for cancers in clinical applications.
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Affiliation(s)
- Jing Zhang
- Department of Biotherapy, Tianjin Medical University Cancer Institute and Hospital, Huanhuxi Road, Hexi District, Tianjin, 300060 China
| | - Jinpu Yu
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060 China
| | - Lili Yang
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060 China
| | - Hui Li
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060 China
| | - Feng Wei
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060 China
| | - Hua Zhao
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060 China
| | - Wenwen Yu
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060 China
| | - Xiubao Ren
- Department of Biotherapy, Tianjin Medical University Cancer Institute and Hospital, Huanhuxi Road, Hexi District, Tianjin, 300060 China
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12
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Madan RA, Bilusic M, Heery C, Schlom J, Gulley JL. Clinical evaluation of TRICOM vector therapeutic cancer vaccines. Semin Oncol 2012; 39:296-304. [PMID: 22595052 DOI: 10.1053/j.seminoncol.2012.02.010] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
We have developed an "off-the-shelf" vector-based vaccine platform containing transgenes for carcinoma-associated antigens and multiple costimulatory molecules (designated TRICOM). Two TRICOM platforms have been evaluated both preclinically and in clinical trials. PROSTVAC consists of rV, rF-PSA-TRICOM and is being used in prostate cancer therapy trials. PANVAC consists of rV, rF-CEA-MUC1-TRICOM; the expression of the two pan-carcinoma transgenes CEA and MUC-1 renders PANVAC vaccination applicable for therapeutic applications for a range of human carcinomas. Many new paradigms have emerged as a consequence of completed and ongoing TRICOM vaccine trials, including (1) clinical evidence of patient benefit may be delayed, because multiple vaccinations may be necessary to induce a sufficient anti-tumor immune response; (2) survival, and not strict adherence to RECIST criteria or time-to-progression, may be the most appropriate trial endpoint when TRICOM vaccines are used as monotherapy; (3) certain patient populations are more likely to benefit from vaccine therapy as compared to other therapeutics; and (4) TRICOM vaccines combined with standard-of-care therapeutics, either concomitantly or sequentially, are feasible because of the limited toxicity of vaccines.
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Affiliation(s)
- Ravi A Madan
- Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
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13
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Gameiro SR, Caballero JA, Hodge JW. Defining the molecular signature of chemotherapy-mediated lung tumor phenotype modulation and increased susceptibility to T-cell killing. Cancer Biother Radiopharm 2012; 27:23-35. [PMID: 22316209 DOI: 10.1089/cbr.2012.1203] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Chemotherapy with platinum doublets, including cisplatin plus vinorelbine, is standard of care for non-small-cell lung cancer. Sublethal exposure to certain chemotherapeutic agents has been demonstrated to alter the phenotype or biology of human tumor cells, rendering them more susceptible to cytotoxic T lymphocyte (CTL)-mediated lysis. The effects of cisplatin/vinorelbine on tumor sensitivity to T-cell cytotoxicity and its molecular mechanisms, however, have not been fully elucidated. We examined the effect of this chemotherapy on growth, cell-surface phenotype, and CTL-mediated lysis of five distinct human lung carcinoma cell lines in vitro and examined the molecular mechanisms associated with enhanced CTL sensitivity. These studies demonstrate that sublethal exposure of human lung tumor cells to the platinum doublet modulates tumor cell phenotype and increases sensitivity to major histocompatibility complex-restricted perforin/granzyme-mediated CTL killing. These studies also demonstrate that exposure to chemotherapy markedly decreased the protein secretion ratio of transforming growth factor-β/interleukin (IL)-8. We examined the gene expression profile of two lung tumor cell lines to identify a shared gene signature in response to sublethal cisplatin/vinorelbine and found coordinate expression of only 16 transcripts, including those for cytokine/chemokine expression and apoptosis such as tumor necrosis factor-α, IL8, CXCL5, and B cell lymphoma-2-like genes (BCL-2). Overall, these results suggest that sublethal exposure to cisplatin/vinorelbine increases sensitivity to perforin/granzyme-mediated CTL killing by modulation of (a) tumor phenotype, (b) cytokine/chemokine milieu, and (c) the proapoptotic/antiapoptotic gene ratio. The data presented here propose a complex mechanism that is distinct from and complementary to that of immunogenic cell death. This molecular signature may be useful in predicting responses to immunotherapy as well as provide the rationale for the potential clinical benefit of the combined use of vaccine with cisplatin/vinorelbine regimens.
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Affiliation(s)
- Sofia R Gameiro
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
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14
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Maturation of human dendritic cells with Saccharomyces cerevisiae (yeast) reduces the number and function of regulatory T cells and enhances the ratio of antigen-specific effectors to regulatory T cells. Vaccine 2011; 29:4992-9. [PMID: 21569810 DOI: 10.1016/j.vaccine.2011.04.101] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2010] [Revised: 03/17/2011] [Accepted: 04/26/2011] [Indexed: 11/23/2022]
Abstract
We compared the effects of yeast-treated human dendritic cells (DCs) with CD40L-matured human DCs for the induction of effector cells and the number and functionality of CD4(+)CD25(+)CD127(-)FoxP3(+) regulatory T cells (Tregs). DCs were treated with yeast or CD40L and cocultured with isolated autologous CD4(+) T cells. CD4(+)CD25(+)CD127(-) T cells isolated from the coculture of CD4(+) T cells plus yeast-treated DCs (yeast coculture) had a lower expression of FoxP3 and decreased suppressive function compared to CD4(+)CD25(+)CD127(-) T cells isolated from the coculture of CD4(+) T cells plus CD40L-treated DCs (CD40L coculture). Also, compared to the CD40L coculture, the yeast coculture showed increases in the ratio of CD4(+)CD25(+) activated T cells to Tregs and in the production of Th1-related cytokines (IL-2, TNF-α, IFN-γ) and IL-6. In addition, yeast-treated DCs used as antigen-presenting cells (APCs) incubated with the tumor antigen CEA enhanced the proliferation of CEA-specific CD4(+) T cells compared to the use of CD40L-matured DCs used as APCs. This is the first study to report on the role of yeast-treated/matured human DCs in reducing Treg frequency and functionality and in enhancing effector to Treg ratios. These results provide an additional rationale for the use of yeast as a vector in cancer vaccines.
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15
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Turnis ME, Rooney CM. Enhancement of dendritic cells as vaccines for cancer. Immunotherapy 2011; 2:847-62. [PMID: 21091116 DOI: 10.2217/imt.10.56] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Dendritic cells are the most potent antigen-presenting cells known; owing to their ability to stimulate antigen-specific cytolytic and memory T-cell responses, their use as cancer vaccines is rapidly increasing. While clinical trials provide evidence that dendritic cells vaccines are safe and elicit immunological responses in most patients, few complete tumor remissions have been reported and further technological advances are required. An effective dendritic cell vaccine must possess and maintain several characteristics: it must migrate to lymph nodes, have a mature, Th1-polarizing phenotype expressed stably after infusion and present antigen for sufficient time to produce a T-cell response capable of eliminating a tumor. While dendritic cells are readily matured ex vivo, their phenotype and fate after infusion are rarely evaluable; therefore, strategies to ensure that dendritic cells access lymphoid tissues and retain an immunostimulatory phenotype are required. In order to best exploit dendritic cells as vaccines, they may require genetic modification and combination with other strategies including adoptive T-cell transfer, inhibition of regulatory T cells or modulation of inflammatory pathways.
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16
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Soprana E, Panigada M, Knauf M, Radaelli A, Vigevani L, Palini A, Villa C, Malnati M, Cassina G, Kurth R, Norley S, Siccardi AG. Joint production of prime/boost pairs of Fowlpox Virus and Modified Vaccinia Ankara recombinants carrying the same transgene. J Virol Methods 2011; 174:22-8. [PMID: 21419167 DOI: 10.1016/j.jviromet.2011.03.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2010] [Revised: 03/03/2011] [Accepted: 03/09/2011] [Indexed: 10/18/2022]
Abstract
Pairs of recombinant MVA (Modified Vaccinia Ankara) and FPV (Fowlpox Virus) expressing the same transgene are reasonable candidates for prime/boost regimens, because cross-reacting immune responses between the two vectors, both non-replicative in mammalian hosts, are very limited. The acceptor virus FPD-Red, a derivative of FPV, carrying a red fluorescent protein gene flanked by the homology regions of MVA deletion III, was constructed. The same MVA Transfer Plasmid Green, designed to insert transgenes into the MVA deletion III locus, can therefore be used to transfer transgenes into both acceptor viruses MVA-Red and FPD-Red with the described recently Red-to-Green gene swapping method. Cells infected by either recombinant virus can be sorted differentially by a simple and reliable FACS-based purification protocol. The procedure is carried out in primary chick embryo fibroblasts grown in serum-free media and was applied to the production of three rMVA/rFPV pairs expressing the H5N1 avian influenza antigens M1, M2 and NP. The viral genes were human codon-optimized and expressed at high levels in both chick and mammalian cells. Both single-step and multiple-step growth analyses showed no significant differences in growth due to the transgenes in either rMVA or rFPV derivatives.
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17
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Jordan I, Northoff S, Thiele M, Hartmann S, Horn D, Höwing K, Bernhardt H, Oehmke S, von Horsten H, Rebeski D, Hinrichsen L, Zelnik V, Mueller W, Sandig V. A chemically defined production process for highly attenuated poxviruses. Biologicals 2011; 39:50-8. [DOI: 10.1016/j.biologicals.2010.11.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2010] [Revised: 11/22/2010] [Accepted: 11/28/2010] [Indexed: 10/18/2022] Open
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18
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Farsaci B, Sabzevari H, Higgins JP, Di Bari MG, Takai S, Schlom J, Hodge JW. Effect of a small molecule BCL-2 inhibitor on immune function and use with a recombinant vaccine. Int J Cancer 2010; 127:1603-13. [PMID: 20091862 DOI: 10.1002/ijc.25177] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Small molecule BCL-2 inhibitors are being examined as monotherapy in phase I/II clinical trials for several types of tumors. However, few data are available about the effect of BCL-2 inhibitors on immune function. The aims of our study were to investigate the effect of a small molecule BCL-2 inhibitor on immune function and determine the most effective way of combining this inhibitor with a recombinant vaccine to treat tumors. The in vitro effect of the pan-BCL-2 inhibitor GX15-070 was assessed in mouse CD8 T lymphocytes at 2 different stages of activation as well as regulatory T lymphocytes (Treg). The in vivo effect of GX15-070 after recombinant vaccinia/fowlpox CEA-TRICOM vaccination was analyzed in tumor-infiltrating lymphocytes, and in splenocytes of mice bearing subcutaneous tumors. The therapeutic efficacy of such sequential therapy was measured as a reduction of pulmonary tumor nodules. Activated mature CD8 T lymphocytes were more resistant to GX15-070 as compared to early-activated cells. Treg function was significantly decreased after treatment with the BCL-2 inhibitor. In vivo, GX15-070 was given after vaccination so as to not negatively impact the induction of vaccine-mediated immunity, resulting in increased intratumoral activated CD8:Treg ratio and significant reduction of pulmonary tumor nodules. Our study is the first to show the effect of a small molecule BCL-2 inhibitor on the immune system and following a vaccine. It is also the first to demonstrate the efficacy of this sequence in reducing tumors in mouse models, providing a rationale for the design of combinational clinical studies.
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Affiliation(s)
- Benedetto Farsaci
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
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19
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Hoff A, Bagû AC, André T, Roth G, Wiesmüller KH, Gückel B, Brock R. Peptide microarrays for the profiling of cytotoxic T-lymphocyte activity using minimum numbers of cells. Cancer Immunol Immunother 2010; 59:1379-87. [PMID: 20512327 PMCID: PMC2892610 DOI: 10.1007/s00262-010-0867-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2009] [Accepted: 04/30/2010] [Indexed: 11/30/2022]
Abstract
The identification of epitopes that elicit cytotoxic T-lymphocyte activity is a prerequisite for the development of cancer-specific immunotherapies. However, especially the parallel characterization of several epitopes is limited by the availability of T cells. Microarrays have enabled an unprecedented miniaturization and parallelization in biological assays. Here, we developed peptide microarrays for the detection of CTL activity. MHC class I-binding peptide epitopes were pipetted onto polymer-coated glass slides. Target cells, loaded with the cell-impermeant dye calcein, were incubated on these arrays, followed by incubation with antigen-expanded CTLs. Cytotoxic activity was detected by release of calcein and detachment of target cells. With only 200,000 cells per microarray, CTLs could be detected at a frequency of 0.5% corresponding to 1,000 antigen-specific T cells. Target cells and CTLs only settled on peptide spots enabling a clear separation of individual epitopes. Even though no physical boundaries were present between the individual spots, peptide loading only occurred locally and cytolytic activity was confined to the spots carrying the specific epitope. The peptide microarrays provide a robust platform that implements the whole process from antigen presentation to the detection of CTL activity in a miniaturized format. The method surpasses all established methods in the minimum numbers of cells required. With antigen uptake occurring on the microarray, further applications are foreseen in the testing of antigen precursors that require uptake and processing prior to presentation.
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Affiliation(s)
- Antje Hoff
- Department of Molecular Biology, Interfaculty Institute for Cell Biology, University of Tübingen, Auf der Morgenstelle 15, 72076 Tübingen, Germany
- Present Address: Trinity Centre for Health Sciences, Institute for Molecular Medicine, Trinity College Dublin, St. James Street, Dublin 8, Ireland
| | - Ana-Cristina Bagû
- Department of Gynecology and Obstetrics, University Hospital Tübingen, Calwerstraße 7, 72076 Tübingen, Germany
| | - Thomas André
- Department of Molecular Biology, Interfaculty Institute for Cell Biology, University of Tübingen, Auf der Morgenstelle 15, 72076 Tübingen, Germany
- Present Address: Bachem AG, Hauptstrasse 144, 4416 Bubendorf, Switzerland
| | - Günter Roth
- Department of Molecular Biology, Interfaculty Institute for Cell Biology, University of Tübingen, Auf der Morgenstelle 15, 72076 Tübingen, Germany
- Department of Microsystems Engineering (IMTEK), University of Freiburg, Georges-Koehler-Allee 106, 79110 Freiburg, Germany
| | | | - Brigitte Gückel
- Department of Gynecology and Obstetrics, University Hospital Tübingen, Calwerstraße 7, 72076 Tübingen, Germany
| | - Roland Brock
- Department of Molecular Biology, Interfaculty Institute for Cell Biology, University of Tübingen, Auf der Morgenstelle 15, 72076 Tübingen, Germany
- Department of Biochemistry, Nijmegen Centre for Molecular Life Sciences, Radboud University Nijmegen Medical Centre, PO Box 9101, 6500 HB Nijmegen, The Netherlands
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20
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Kim HS, Kim CH, Park MY, Park JS, Park HM, Sohn HJ, Kim HJ, Kim SG, Oh ST, Kim TG. Efficient co-transduction of adenoviral vectors encoding carcinoembryonic antigen and survivin into dendritic cells by the CAR-TAT adaptor molecule enhance anti-tumor immunity in a murine colorectal cancer model. Immunol Lett 2010; 131:73-80. [PMID: 20211203 DOI: 10.1016/j.imlet.2010.03.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2009] [Revised: 02/05/2010] [Accepted: 03/01/2010] [Indexed: 12/16/2022]
Abstract
Because multiple tumor antigens, including carcinoembryonic antigen (CEA) and survivin (SVV), have been frequently observed in human colorectal cancer, we investigated whether the expression of both CEA and SVV by co-transduction of adenovirus vectors into dendritic cells (DCs) could improve anti-tumor immunity in a murine colorectal cancer model. The adaptor fusion protein of Coxsackie and adenovirus receptor and TAT-protein transduction domain (CAR-TAT) enhanced co-transduction of adenovirus vectors encoding CEA (AdCEA) and SVV (AdSVV) into DCs, and increased anti-tumor immunity. DCs expressing both CEA and SVV in the presence of CAR-TAT (DC-AdCEA/AdSVV+CAR-TAT) induced T-cell responses specific for CEA and SVV, and enhanced cytotoxic T-cell activity on MC38/CEA2 cells expressing CEA and SVV compared with DCs expressing either CEA or SVV alone. Particularly, DC-AdCEA/AdSVV+CAR-TAT induced higher number of CEA-specific IFN-gamma secreting T cells compared with DC-AdCEA+CAR-TAT. Vaccination with DC-AdCEA/AdSVV+CAR-TAT also more efficiently inhibited tumor growth compared with DCs expressing either CEA or SVV alone in therapeutic tumor models. These results suggest that efficient co-transduction of multiple adenovirus vectors by CAR-TAT could be used to develop various strategies for therapeutic DC vaccines.
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Affiliation(s)
- Hye-Sung Kim
- Department of Microbiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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21
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Smits EL, Anguille S, Cools N, Berneman ZN, Van Tendeloo VF. Dendritic Cell-Based Cancer Gene Therapy. Hum Gene Ther 2009; 20:1106-18. [DOI: 10.1089/hum.2009.145] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Affiliation(s)
- Evelien L.J.M. Smits
- Laboratory of Experimental Hematology, Vaccine and Infectious Disease Institute (VAXINFECTIO), University of Antwerp, B-2610 Wilrijk (Antwerp), Belgium
| | - Sébastien Anguille
- Laboratory of Experimental Hematology, Vaccine and Infectious Disease Institute (VAXINFECTIO), University of Antwerp, B-2610 Wilrijk (Antwerp), Belgium
- Center for Cell Therapy and Regenerative Medicine (CCTRM), Antwerp University Hospital, B-2650 Edegem (Antwerp), Belgium
| | - Nathalie Cools
- Laboratory of Experimental Hematology, Vaccine and Infectious Disease Institute (VAXINFECTIO), University of Antwerp, B-2610 Wilrijk (Antwerp), Belgium
| | - Zwi N. Berneman
- Laboratory of Experimental Hematology, Vaccine and Infectious Disease Institute (VAXINFECTIO), University of Antwerp, B-2610 Wilrijk (Antwerp), Belgium
- Center for Cell Therapy and Regenerative Medicine (CCTRM), Antwerp University Hospital, B-2650 Edegem (Antwerp), Belgium
| | - Viggo F.I. Van Tendeloo
- Laboratory of Experimental Hematology, Vaccine and Infectious Disease Institute (VAXINFECTIO), University of Antwerp, B-2610 Wilrijk (Antwerp), Belgium
- Center for Cell Therapy and Regenerative Medicine (CCTRM), Antwerp University Hospital, B-2650 Edegem (Antwerp), Belgium
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22
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Aoki M, Ueda S, Nishikawa H, Kitano S, Hirayama M, Ikeda H, Toyoda H, Tanaka K, Kanai M, Takabayashi A, Imai H, Shiraishi T, Sato E, Wada H, Nakayama E, Takei Y, Katayama N, Shiku H, Kageyama S. Antibody responses against NY-ESO-1 and HER2 antigens in patients vaccinated with combinations of cholesteryl pullulan (CHP)-NY-ESO-1 and CHP-HER2 with OK-432. Vaccine 2009; 27:6854-61. [PMID: 19761832 DOI: 10.1016/j.vaccine.2009.09.018] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2009] [Revised: 09/01/2009] [Accepted: 09/02/2009] [Indexed: 10/20/2022]
Abstract
Combination vaccines of the NY-ESO-1 protein complexed with cholesteryl pullulan (CHP), CHP-NY-ESO-1, and the truncated 146HER2 protein with CHP, CHP-HER2, were subcutaneously administered with the immuno-adjuvant OK-432 to eight esophageal cancer patients. Vaccination was well-tolerated. NY-ESO-1- and HER2-specific antibody responses were analyzed using the patients' sera and samples from previous single CHP-NY-ESO-1 or CHP-HER2 vaccine trial. The responses to NY-ESO-1 in the combination vaccine study were comparable to the single vaccine. For responses to HER2, there were fewer antibody responses in the combination vaccines. Although there were marked individual variations in the antibody responses to the NY-ESO-1 and HER2 antigens, the reaction patterns to these antigens were comparable within each patient. Antibodies to OK-432 were not augmented. Protein cancer vaccines targeting multiple antigens are feasible.
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Affiliation(s)
- Masatoshi Aoki
- Department of Haematology and Oncology, Mie University Graduate School of Medicine, 2-174, Edobashi, Tsu, Mie 514-8507, Japan.
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23
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Remondo C, Cereda V, Mostböck S, Sabzevari H, Franzusoff A, Schlom J, Tsang KY. Human dendritic cell maturation and activation by a heat-killed recombinant yeast (Saccharomyces cerevisiae) vector encoding carcinoembryonic antigen. Vaccine 2009; 27:987-94. [PMID: 19110021 PMCID: PMC3518400 DOI: 10.1016/j.vaccine.2008.12.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2008] [Revised: 11/25/2008] [Accepted: 12/04/2008] [Indexed: 10/21/2022]
Abstract
Tumor-associated antigens are weakly immunogenic. Human carcinoembryonic antigen (CEA) is overexpressed on a wide range of human carcinomas and represents an attractive target for cancer immunotherapy. This study analyzes the ability of a Saccharomyces cerevisiae vector containing the transgene encoding CEA (yeast-CEA) to activate human dendritic cells (DCs) and stimulate CEA-specific T-cell responses. We demonstrate for the first time that treatment with yeast-CEA can activate human DCs, resulting in increases in surface expression of CD80, CD83, CD54, CD58, and MHC class II, and increased production by DCs of IL-12p70, TNF-alpha, IFN-gamma, IL-8, IL-2, IL-13, IL-10, and IL-1beta. We also show that human DCs treated with yeast-CEA can activate CEA-specific T-cell lines and can act as antigen-presenting cells (APCs) to generate CEA-specific T-cell lines capable of lysing CEA(+) human tumor cells. Gene expression profiles of human DCs treated with yeast-CEA show increased expression of numerous genes involved in the production of chemokines and cytokines and their receptors, and genes related to antigen uptake, antigen presentation, and signal transduction.
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Affiliation(s)
- Cinzia Remondo
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, 10 Center Drive, Room 8B09, Bethesda, Maryland 20892, USA
| | - Vittore Cereda
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, 10 Center Drive, Room 8B09, Bethesda, Maryland 20892, USA
| | - Sven Mostböck
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, 10 Center Drive, Room 8B09, Bethesda, Maryland 20892, USA
| | - Helen Sabzevari
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, 10 Center Drive, Room 8B09, Bethesda, Maryland 20892, USA
| | - Alex Franzusoff
- GlobeImmune, Inc., 1450 Infinite Dr., Louisville, Colorado, USA
| | - Jeffrey Schlom
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, 10 Center Drive, Room 8B09, Bethesda, Maryland 20892, USA
| | - Kwong-Y. Tsang
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, 10 Center Drive, Room 8B09, Bethesda, Maryland 20892, USA
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24
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Day SL, Ramshaw IA, Ramsay AJ, Ranasinghe C. Differential effects of the type I interferons alpha4, beta, and epsilon on antiviral activity and vaccine efficacy. THE JOURNAL OF IMMUNOLOGY 2008; 180:7158-66. [PMID: 18490714 DOI: 10.4049/jimmunol.180.11.7158] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The type I IFNs exert a range of activities that include antiviral, antiproliferative, and immunomodulatory effects. To study this further, we have constructed recombinant vaccinia viruses expressing HIV or hemagglutinin (HA) Ags along with murine type I IFNs, IFN-alpha(4) (HA-VV-IFN-alpha(4)), IFN-beta (HA-VV-IFN-beta), or IFN-epsilon (HIV-VV-IFN-epsilon), a recently discovered member of this family. Our aims were to characterize IFN-epsilon functionality as a type I IFN and also to study the biological properties of these factors toward the development of safer and more effective vector-based vaccines. HIV-VV-IFN-epsilon and HA-VV-IFN-beta grew to lower titers than did their parental controls in murine cell lines. In vivo, however, HIV-VV-IFN-epsilon growth was not attenuated, while IFN-beta demonstrated potent local antiviral activity with no replication of HA-VV-IFN-beta detected. Flow cytofluorometric analysis of B lymphocytes incubated with virally encoded IFN-epsilon showed up-regulation of activation markers CD69 and CD86, while RT-PCR of IFN-epsilon-treated cells revealed that gene expression levels of antiviral proteins were elevated, indicating the induction of an antiviral state. The use of these constructs in a poxvirus prime-boost immunization regime led to robust humoral and cellular immune responses against the encoded Ags, despite the lack of replication in the case of HA-VV-IFN-beta. Thus, coexpression of these factors may be beneficial in the design of safer vector-based vaccines. Our data also indicate that while IFN-epsilon exhibits certain biological traits similar to other type I IFNs, it may also have a specific role in mucosal immune regulation that is quite distinct.
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Affiliation(s)
- Stephanie L Day
- Division of Immunology and Genetics, John Curtin School of Medical Research, Australian National University, Canberra, Australian Capital Territory, Australia.
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Bernstein MB, Chakraborty M, Wansley EK, Guo Z, Franzusoff A, Mostböck S, Sabzevari H, Schlom J, Hodge JW. Recombinant Saccharomyces cerevisiae (yeast-CEA) as a potent activator of murine dendritic cells. Vaccine 2007; 26:509-21. [PMID: 18155327 DOI: 10.1016/j.vaccine.2007.11.033] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2007] [Revised: 11/02/2007] [Accepted: 11/15/2007] [Indexed: 10/22/2022]
Abstract
Recombinant Saccharomyces cerevisiae (yeast) represents a unique and attractive vehicle to deliver antigens in vaccine immunotherapy protocols for cancer or infectious disease, in that it has been shown to be extremely safe and can be administered multiple times to hosts. In the studies reported here, we describe the effects of treatment with recombinant yeast on murine immature dendritic cells (DCs). Yeast expressing human carcinoembryonic antigen (CEA) as a model antigen was studied. Injection of mice subcutaneously with yeast-CEA resulted in rapid increases in MHC class II(+) cells and total antigen-presenting cells in draining lymph nodes. Post-treatment with yeast-CEA, DCs rapidly elevated both MHC class I and class II, numerous costimulatory molecules and other DC maturation markers, and secreted a range of Type I inflammatory cytokines. Gene expression arrays also revealed the rapid up-regulation of numerous cytokine and chemokine mRNAs, as well as genes involved in signal transduction and antigen uptake. Functional studies demonstrated enhanced allospecific reactivity of DCs following treatment with yeast-CEA or control yeast. Additionally, treatment of DCs with yeast-CEA resulted in specific activation of CEA-specific CD8(+) T cells in an MHC-restricted manner in vitro. Lastly, vaccination of CEA-transgenic mice with yeast-CEA elicited antigen-specific CD4(+) and CD8(+) immune responses in vivo. Thus, these studies taken together form a scientific rationale for the use of recombinant yeast in vaccination protocols for cancer or infectious diseases.
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Affiliation(s)
- Michael B Bernstein
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
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26
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Kaufman HL, Kim-Schulze S, Manson K, DeRaffele G, Mitcham J, Seo KS, Kim DW, Marshall J. Poxvirus-based vaccine therapy for patients with advanced pancreatic cancer. J Transl Med 2007; 5:60. [PMID: 18039393 PMCID: PMC2217514 DOI: 10.1186/1479-5876-5-60] [Citation(s) in RCA: 80] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2007] [Accepted: 11/26/2007] [Indexed: 12/25/2022] Open
Abstract
Purpose An open-label Phase 1 study of recombinant prime-boost poxviruses targeting CEA and MUC-1 in patients with advanced pancreatic cancer was conducted to determine safety, tolerability and obtain preliminary data on immune response and survival. Patients and methods Ten patients with advanced pancreatic cancer were treated on a Phase I clinical trial. The vaccination regimen consisted of vaccinia virus expressing tumor antigens carcinoembryonic antigen (CEA) and mucin-1 (MUC-1) with three costimulatory molecules B7.1, ICAM-1 and LFA-3 (TRICOM) (PANVAC-V) and fowlpox virus expressing the same antigens and costimulatory molecules (PANVAC-F). Patients were primed with PANVAC-V followed by three booster vaccinations using PANVAC-F. Granulocyte-macrophage colony-stimulating factor (GM-CSF) was used as a local adjuvant after each vaccination and for 3 consecutive days thereafter. Monthly booster vaccinations for up to 12 months were provided for patients without progressive disease. Peripheral blood was collected before, during and after vaccinations for immune analysis. Results The most common treatment-related adverse events were mild injection-site reactions. Antibody responses against vaccinia virus was observed in all 10 patients and antigen-specific T cell responses were observed in 5 out of 8 evaluable patients (62.5%). Median overall survival was 6.3 months and a significant increase in overall survival was noted in patients who generated anti CEA- and/or MUC-1-specific immune responses compared with those who did not (15.1 vs 3.9 months, respectively; P = .002). Conclusion Poxvirus vaccination is safe, well tolerated, and capable of generating antigen-specific immune responses in patients with advanced pancreatic cancer.
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Affiliation(s)
- Howard L Kaufman
- The Tumor Immunology Laboratory, Division of Surgical Oncology, Columbia University, New York, NY, USA.
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Palena C, Polev DE, Tsang KY, Fernando RI, Litzinger M, Krukovskaya LL, Baranova AV, Kozlov AP, Schlom J. The human T-box mesodermal transcription factor Brachyury is a candidate target for T-cell-mediated cancer immunotherapy. Clin Cancer Res 2007; 13:2471-8. [PMID: 17438107 DOI: 10.1158/1078-0432.ccr-06-2353] [Citation(s) in RCA: 126] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Identification of tumor antigens is essential in advancing immune-based therapeutic interventions in cancer. Particularly attractive targets are those molecules that are selectively expressed by malignant cells and that are also essential for tumor progression. EXPERIMENTAL DESIGN AND RESULTS We have used a computer-based differential display analysis tool for mining of expressed sequence tag clusters in the human Unigene database and identified Brachyury as a novel tumor antigen. Brachyury, a member of the T-box transcription factor family, is a key player in mesoderm specification during embryonic development. Moreover, transcription factors that control mesoderm have been implicated in the epithelial-mesenchymal transition (EMT), which has been postulated to be a key step during tumor progression to metastasis. Reverse transcription-PCR analysis validated the in silico predictions and showed Brachyury expression in tumors of the small intestine, stomach, kidney, bladder, uterus, ovary, and testis, as well as in cell lines derived from lung, colon, and prostate carcinomas, but not in the vast majority of the normal tissues tested. An HLA-A0201 epitope of human Brachyury was identified that was able to expand T lymphocytes from blood of cancer patients and normal donors with the ability to lyse Brachyury-expressing tumor cells. CONCLUSIONS To our knowledge, this is the first demonstration that (a) a T-box transcription factor and (b) a molecule implicated in mesodermal development, i.e., EMT, can be a potential target for human T-cell-mediated cancer immunotherapy.
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Affiliation(s)
- Claudia Palena
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, Maryland 20892, USA
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28
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Yokokawa J, Bera TK, Palena C, Cereda V, Remondo C, Gulley JL, Arlen PM, Pastan I, Schlom J, Tsang KY. Identification of cytotoxic T-lymphocyte epitope(s) and its agonist epitope(s) of a novel target for vaccine therapy (PAGE4). Int J Cancer 2007; 121:595-605. [PMID: 17397028 DOI: 10.1002/ijc.22698] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
PAGE4 is an X chromosome-linked cancer testis antigen and is a potential new tumor-associated antigen that is overexpressed in prostate and uterine cancers. The purpose of this study was to identify a human CTL epitope and a corresponding agonist epitope of PAGE4 to determine if PAGE4 is a potential target for vaccine-mediated immunotherapy against PAGE4-expressing tumors. A class I PAGE4 epitope was identified with a high level of binding to HLA-A2. PAGE4 peptide-pulsed dendritic cells were then used to generate human PAGE4-specific T-cell lines. Further studies demonstrated the generation of an enhancer agonist epitope. Compared with the native peptide, the agonist (i) bound to HLA-A2 molecules at lower peptide concentrations, (ii) demonstrated a higher stability of the peptide HLA-A2 complex, (iii) induced higher levels of production of IFN-gamma, Granzyme B, TNF-alpha, IL-2 and lymphotactin by PAGE4-specific T-cell lines and (iv) T-cell lines generated against the agonist peptide were more efficient to lyse HLA-A2 human tumor cells expressing native PAGE4. The studies reported here are the first to describe a PAGE4 CTL epitope and its agonist epitope, and thus identify PAGE4 as a potentially useful target for vaccine-mediated therapy of prostate cancer.
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Affiliation(s)
- Junko Yokokawa
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD
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Zhang L, Jin N, Song Y, Wang H, Ma H, Li Z, Jiang W. Construction and characterization of a recombinant fowlpox virus containing HIV-1 multi-epitope-p24 chimeric gene in mice. ACTA ACUST UNITED AC 2007; 50:212-20. [PMID: 17447028 DOI: 10.1007/s11427-007-0017-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2005] [Accepted: 10/12/2006] [Indexed: 10/23/2022]
Abstract
The epidemic of HIV/AIDS is sweeping across the world. It is of great importance to figure out new ways to curb this disease. Epitope-based vaccine is one of these solutions. In this study, a chimeric gene was obtained by combination of a designed HIV-1 multi-epitope gene (MEG) and HIV-1 p24 gene. A recombinant plasmid pUTA2-MEGp24 was then constructed by inserting MEGp24 gene into the downstream of the promoter (ATI-P7.5x20) of fowlpox virus (FPV) transfer vector pUTA2. The recombinant plasmid and wild-type FPV 282E4 strain were then co-transfected into CEF cells and homologous recombination occurred. A recombinant virus expressing HIV-1 protein MEGp24 was screened by genome PCR and Western blot assay. Large scale preparation and purification of the recombinant fowlpox virus (rFPV) were then carried out. BALB/c mice were immunized intramuscularly with the rFPV for three times on day 0, 14 and 42. Mice were executed and sampled one week after the third inoculation. Anti-HIV-1 antibody in serum and Th1 cytokines in the supernatant of cultured spleen cells were assayed by ELISA. The count of T lymphocyte subsets and the CTL activity of spleen lymphocytes were analyzed by flow cytometry and lactate dehydrogenase (LDH) release assay, respectively. The results showed that HIV-1 specific antibody in serum and increased T lymphocyte subsets (CD4(+) T, CD8(+) T) were detected in the immunization group. CTL target-killing activity and higher secretion of Th1 cytokines (IFN-gamma and IL-2) of spleen lymphocytes stimulated by H-2(d)-restricted CTL peptide were observed in immunized mice. We concluded that the rFPV may induce HIV-1 specific immunity especially cellular immunity in mice.
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Affiliation(s)
- LiShu Zhang
- The 11th Institute, Academy of Military Medical Sciences, Changchun 130062, China
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Madan RA, Arlen PM, Gulley JL. PANVAC-VF: poxviral-based vaccine therapy targeting CEA and MUC1 in carcinoma. Expert Opin Biol Ther 2007; 7:543-54. [PMID: 17373905 DOI: 10.1517/14712598.7.4.543] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
PANVAC is a cancer vaccine therapy delivered through two viral vectors--recombinant vaccinia and recombinant fowlpox--which are given sequentially. Both vectors contain transgenes for the tumor-associated antigens epithelial mucin 1 and carcinoembryonic antigen, which are altered or overexpressed in most carcinomas. The vectors also contain transgenes for three human T cell costimulatory molecules required to enhance immune response: B7.1, intracellular adhesion molecule-1 and leukocyte function-associated antigen-3. PANVAC is injected subcutaneously and processed by the body's antigen-presenting cells. Preclinical studies have demonstrated the efficacy of PANVAC in inducing both carcinoembryonic antigen- and mucin 1-specific cytotoxic T lymphocyte responses in vitro and in murine models. Other strategies that enhance the immune response include the use of granulocyte-macrophage colony-stimulating factor and a prime-boost administration sequence. Clinical trials have demonstrated PANVAC's safety and its ability to induce antigen-specific T cell responses. Early clinical trials are evaluating PANVAC alone and in combination with conventional chemotherapy and/or radiation. Studies to date hold promise for the use of PANVAC as a means to stimulate the immune system against malignancies and to provide clinical benefit.
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Affiliation(s)
- Ravi A Madan
- Clinical Immunotherapy Group, National Cancer Institute (NCI), Laboratory of Tumor Immunology and Biology, National Institutes of Health (NIH), 10 Center Drive, Bethesda, MD 20892, USA
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31
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Brandsma JL, Shylankevich M, Su Y, Roberts A, Rose JK, Zelterman D, Buonocore L. Vesicular stomatitis virus-based therapeutic vaccination targeted to the E1, E2, E6, and E7 proteins of cottontail rabbit papillomavirus. J Virol 2007; 81:5749-58. [PMID: 17392369 PMCID: PMC1900321 DOI: 10.1128/jvi.02835-06] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Persistent human papillomavirus (HPV)-associated benign and malignant lesions are a major cause of morbidity and mortality worldwide. Vaccination against HPV early proteins could provide an effective means of treating individuals with established infections. Recombinant vesicular stomatitis virus (VSV) vectors have been used previously to elicit strong humoral and cellular immune responses and develop prophylactic vaccines. We have shown that VSV vectors also can be used to elicit therapeutic immunity in the cottontail rabbit papillomavirus (CRPV)-rabbit model of high-risk HPV infection. In the present study, three new VSV vectors expressing the CRPV E1, E2, or E7 protein were produced and compared to the previously generated VSV-E6 vector for therapeutic efficacy. To determine whether vaccine efficacy could be augmented by simultaneous vaccination against two CRPV proteins, the four vaccines were delivered individually and in all possible pairings to rabbits 1 week after CRPV infection. Control rabbits received the recombinant wild-type VSV vector or medium only. Cumulative papilloma volumes were computed for analysis of the data. The analyses showed that VSV-based vaccination against the E1, E2, E6, or E7 protein significantly reduced papilloma volumes relative to those of the controls. Furthermore, VSV-based CRPV vaccination cured all of the papillomas in 5 of 30 rabbits. Of the individual vaccines, VSV-E7 was the most effective. The VSV-E7 vaccine alone was the most effective, as it reduced cumulative papilloma volumes by 96.9% overall, relative to those of the controls, and ultimately eliminated all of the disease in all of the vaccinees. Vaccine pairing was not, however, found to be beneficial, suggesting antigenic competition between the coexpressed CRPV proteins. These preclinical results, obtained in a physiologically relevant animal model of HPV infection, demonstrate that VSV vectors deserve serious consideration for further development as therapeutic antitumor vaccines.
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Affiliation(s)
- Janet L Brandsma
- Section of Comparative Medicine, Yale University School of Medicine, 375 Cedar Street, 2 FMB, New Haven, CT 06520-8016, USA.
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Abstract
Dendritic cells (DCs) play a crucial role in the induction of antigen-specific T-cell responses, and therefore their use for the active immunotherapy of malignancies has been studied with considerable interest. More than a decade has passed since the publication of the first clinical data of DC-based vaccines, and through this and subsequent studies, a number of important developmental insights have been gleaned. These include the ideal source and type of DCs, the discovery of novel antigens and methods of loading DCs, the role of DC maturation, and the most efficient route of immunization. The generation of immune responses against tumor antigens after DC immunization has been demonstrated, and favorable clinical responses have been reported in some patients; however, it is difficult to pool the results as a whole, and thus the body of data remains inconclusive, in part because of varying DC preparation and vaccination protocols, the use of different forms of antigens, and, most importantly, a lack of rigorous criteria for defining clinical responses. As such, the standardization of clinical and immunologic criteria utilized, as well as DC preparations employed, will allow for the comparison of results across multiple clinical studies and is required in order for future trials to measure the true value and role of this treatment modality. In addition, issues regarding the optimal dose and clinical setting for the application of DC vaccines remain to be resolved, and recent clinical studies have been designed to begin to address these questions.
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Affiliation(s)
- Takuya Osada
- Department of Surgery, Program in Molecular Therapeutics, Comprehensive Cancer Center, Duke University Medical Center, Durham, North Carolina 27710, USA
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33
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Gelbard A, Garnett CT, Abrams SI, Patel V, Gutkind JS, Palena C, Tsang KY, Schlom J, Hodge JW. Combination chemotherapy and radiation of human squamous cell carcinoma of the head and neck augments CTL-mediated lysis. Clin Cancer Res 2006; 12:1897-905. [PMID: 16551875 PMCID: PMC1865094 DOI: 10.1158/1078-0432.ccr-05-1761] [Citation(s) in RCA: 76] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
PURPOSE The combination of systemic multiagent chemotherapy (5-fluorouracil + cisplatin) and tumor irradiation is standard of care for head and neck squamous cell carcinoma (HNSCC). Furthermore, it has been shown that sublethal doses of radiation or chemotherapeutic drugs in diverse cancer types may alter the phenotype or biology of neoplastic cells, making them more susceptible to CTL-mediated cytotoxicity. However, little is known about the potential synergistic effect of drug plus radiation on CTL killing. Here, we examined whether the combination of two chemotherapeutics and ionizing radiation enhanced CTL-mediated destruction of HNSCC more so than either modality separately, as well as the basis for the enhanced tumor cell lysis. EXPERIMENTAL DESIGN Several HNSCC cell lines with distinct biological features were treated with sublethal doses of cisplatin and 5-fluorouracil for 24 hours and with 10-Gy irradiation. Seventy-two hours postirradiation, tumor cells were exposed to an antigen-specific CD8+ CTL directed against carcinoembryonic antigen or MUC-1. RESULTS In three of three tumor cell lines tested, enhanced CTL activity was observed when the two modalities (chemotherapy and radiation) were combined as compared with target cells exposed to either modality separately. CTL-mediated lysis was MHC restricted and antigen specific and occurred almost entirely via the perforin pathway. Moreover, the combination treatment regimen led to a 50% reduction in Bcl-2 expression whereas single modality treatment had little bearing on the expression of this antiapoptotic gene. CONCLUSIONS Overall, these results reveal that (a) CTL killing can be enhanced by combining multiagent chemotherapy and radiation and (b) combination treatment enhanced or sensitized HNSCC to the perforin pathway, perhaps by down-regulating Bcl-2 expression. These studies thus form the rational basis for clinical trials of immunotherapy concomitant with the current standard of care of HNSCC.
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MESH Headings
- Antigens, Neoplasm/analysis
- Antigens, Neoplasm/immunology
- Antineoplastic Agents/pharmacology
- Carcinoembryonic Antigen/analysis
- Carcinoembryonic Antigen/immunology
- Carcinoma, Squamous Cell/immunology
- Carcinoma, Squamous Cell/pathology
- Cell Line, Tumor
- Cell Survival/drug effects
- Cell Survival/immunology
- Cell Survival/radiation effects
- Cisplatin/pharmacology
- Cytotoxicity Tests, Immunologic
- Cytotoxicity, Immunologic/immunology
- Flow Cytometry
- Fluorouracil/pharmacology
- Gene Expression Regulation, Neoplastic/drug effects
- Gene Expression Regulation, Neoplastic/radiation effects
- Head and Neck Neoplasms/immunology
- Head and Neck Neoplasms/pathology
- Humans
- Intercellular Adhesion Molecule-1/analysis
- Membrane Glycoproteins/analysis
- Mucin-1
- Mucins/analysis
- Mucins/immunology
- Perforin
- Pore Forming Cytotoxic Proteins/analysis
- Proto-Oncogene Proteins c-bcl-2/genetics
- Receptors, Tumor Necrosis Factor/physiology
- Reverse Transcriptase Polymerase Chain Reaction
- Signal Transduction/drug effects
- Signal Transduction/radiation effects
- T-Lymphocytes, Cytotoxic/chemistry
- T-Lymphocytes, Cytotoxic/cytology
- T-Lymphocytes, Cytotoxic/immunology
- Time Factors
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Affiliation(s)
- Alexander Gelbard
- Howard Hughes Medical Institute, Research Scholar's Program at the NIH, Bethesda, MD, USA
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Abstract
Gastric cancer is still one of the leading causes of cancer-related death worldwide. Prevention and treatment of gastric cancer through vaccination has been difficult owing to lack of a specific target and poor immunity. A number of vaccination strategies have been used to augment immune responses against gastric cancer and some progress has been made. In a series of studies, the authors have focused on gastric cancer vaccination approaches based on MG7 mimotopes, which are mimicry epitopes selected from phage-displayed oligopeptide libraries with a gastric cancer cell-specific monoclonal antibody, MG7-Ab. Strategies employed in these studies include viral or plasmid vectors in combination with carrier sequence or unmethylated CpG with synthetic peptides in nanoemulsion. The results demonstrated that MG7 mimotopes could effectively and specifically induce both cellular and humoral immune reactions and in vivo antitumor responses. In particular, a four-MG7 mimotope DNA vaccine was found to elicit much stronger antitumor immune responses in mice compared with its single-mimotope counterpart. These encouraging findings might pave the way for the development of novel MG7 antigen-based vaccination approaches for human gastric cancer. The review also discusses other immune-enhancing vaccination strategies for gastric cancer.
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Affiliation(s)
- Dexin Zhang
- The Fourth Military Medical University, State Key Laboratory for Tumor Biology and Institute of Digestive Diseases, Xijing Hospital, 15 West Chang-Le Road, Xi'an 710032, PR China.
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35
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van Leeuwen EBM, Cloosen S, Senden-Gijsbers BLMG, Germeraad WTV, Bos GMJ. Transduction with a fiber-modified adenoviral vector is superior to non-viral nucleofection for expressing tumor-associated Ag mucin-1 in human DC. Cytotherapy 2006; 8:36-46. [PMID: 16627343 DOI: 10.1080/14653240500508166] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
BACKGROUND DC-presenting tumor Ag are currently being developed to be used as a vaccine in human cancer immunotherapy. To increase the chances for successful therapy it is important to deliver full-length tumor Ag instead of loading single peptides. Methodologically, several recombinant DNA delivery techniques have been used. METHODS In this study we compared nucleofection, an optimized form of electroporation, and adenoviral transduction regarding their efficiency to transduce human monocyte-derived (Mo-) DC in vitro. Expression of the tumor-associated Ag mucin-1 (MUC1) after adenoviral transduction (rAd5Fib35-MUC1) was determined using two MAb. RESULTS We showed that the viability of cells and percentage of green fluorescent protein (GFP)-positive cells after transduction with a fiber-modified adenoviral vector (rAd5F35-GFP) was much higher than after nucleofection. Furthermore, phenotype and function of DC were not impaired by infection with adenovirus particles. Cells matured normally; up-regulation of CD40, CD80, CD83, CD86 and HLA-DR was not affected by adenoviral transduction. The capacity to stimulate naive T-cell proliferation was preserved and no change in IL-10 production was observed. Production of IL-12 increased up to 500-fold upon adenoviral transduction, considered to contribute positively to an anti-tumor immune response. Non-transduced mature DC expressed low levels of endogenous MUC1. After transduction with the rAd5F35-MUC1 adenoviral vector, a 100-fold increase in MUC1 expression by DC was observed. DISCUSSION The use of the fiber-modified adenoviral vector presented here may therefore be favorable compared with non-viral gene delivery systems for DC that will be used in cancer immunotherapy.
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Affiliation(s)
- E B M van Leeuwen
- Department of Internal Medicine, Division of Hemato-Oncology, University Hospital Maastricht, Maastricht, The Netherlands
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36
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Chinnasamy D, Milsom MD, Shaffer J, Neuenfeldt J, Shaaban AF, Margison GP, Fairbairn LJ, Chinnasamy N. Multicistronic lentiviral vectors containing the FMDV 2A cleavage factor demonstrate robust expression of encoded genes at limiting MOI. Virol J 2006; 3:14. [PMID: 16539700 PMCID: PMC1459112 DOI: 10.1186/1743-422x-3-14] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2005] [Accepted: 03/15/2006] [Indexed: 11/30/2022] Open
Abstract
Background A number of gene therapy applications would benefit from vectors capable of expressing multiple genes. In this study we explored the feasibility and efficiency of expressing two or three transgenes in HIV-1 based lentiviral vector. Bicistronic and tricistronic self-inactivating lentiviral vectors were constructed employing the internal ribosomal entry site (IRES) sequence of encephalomyocarditis virus (EMCV) and/or foot-and-mouth disease virus (FMDV) cleavage factor 2A. We employed enhanced green fluorescent protein (eGFP), O6-methylguanine-DNA-methyltransferase (MGMT), and homeobox transcription factor HOXB4 as model genes and their expression was detected by appropriate methods including fluorescence microscopy, flow cytometry, immunocytochemistry, biochemical assay, and western blotting. Results All the multigene vectors produced high titer virus and were able to simultaneously express two or three transgenes in transduced cells. However, the level of expression of individual transgenes varied depending on: the transgene itself; its position within the construct; the total number of transgenes expressed; the strategy used for multigene expression and the average copy number of pro-viral insertions. Notably, at limiting MOI, the expression of eGFP in a bicistronic vector based on 2A was ~4 times greater than that of an IRES based vector. Conclusion The small and efficient 2A sequence can be used alone or in combination with an IRES for the construction of multicistronic lentiviral vectors which can express encoded transgenes at functionally relevant levels in cells containing an average of one pro-viral insert.
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Affiliation(s)
- Dhanalakshmi Chinnasamy
- Vince Lombardi Gene Therapy Laboratory, Immunotherapy Program, Aurora St. Luke's Medical Center, 2900 West Oklahoma Avenue, Milwaukee, WI 53215, USA
| | - Michael D Milsom
- Cancer Research UK Gene Therapy Group, Paterson Institute for Cancer Research, Christie Hospital NHS Trust, Wilmslow Road, Manchester, M20 4BX, UK
- Division of Experimental Hematology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - James Shaffer
- Vince Lombardi Gene Therapy Laboratory, Immunotherapy Program, Aurora St. Luke's Medical Center, 2900 West Oklahoma Avenue, Milwaukee, WI 53215, USA
| | - James Neuenfeldt
- Vince Lombardi Gene Therapy Laboratory, Immunotherapy Program, Aurora St. Luke's Medical Center, 2900 West Oklahoma Avenue, Milwaukee, WI 53215, USA
| | - Aimen F Shaaban
- Surgery Department, University of Wisconsin, Madison, WI 53792, USA
| | - Geoffrey P Margison
- Cancer Research UK Carcinogenesis Group, Paterson Institute for Cancer Research, Christie Hospital NHS Trust, Wilmslow Road, Manchester, M20 4BX, UK
| | - Leslie J Fairbairn
- Cancer Research UK Gene Therapy Group, Paterson Institute for Cancer Research, Christie Hospital NHS Trust, Wilmslow Road, Manchester, M20 4BX, UK
| | - Nachimuthu Chinnasamy
- Vince Lombardi Gene Therapy Laboratory, Immunotherapy Program, Aurora St. Luke's Medical Center, 2900 West Oklahoma Avenue, Milwaukee, WI 53215, USA
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37
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Lou E, Marshall J, Aklilu M, Cole D, Chang D, Morse M. A Phase II Study of Active Immunotherapy with PANVAC™ or Autologous, Cultured Dendritic Cells Infected with PANVAC™ After Complete Resection of Hepatic Metastases of Colorectal Carcinoma. Clin Colorectal Cancer 2006; 5:368-71. [PMID: 16512998 DOI: 10.3816/ccc.2006.n.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Emil Lou
- Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA
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