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Ni L. Advances in Human Dendritic Cell-Based Immunotherapy Against Gastrointestinal Cancer. Front Immunol 2022; 13:887189. [PMID: 35619702 PMCID: PMC9127253 DOI: 10.3389/fimmu.2022.887189] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/08/2022] [Indexed: 11/23/2022] Open
Abstract
Dendritic cells (DCs), the strongest antigen-presenting cells, are a focus for orchestrating the immune system in the fight against cancer. Basic scientific investigations elucidating the cellular biology of the DCs have resulted in new strategies in this fight, including cancer vaccinology, combination therapy, and adoptive cellular therapy. Although immunotherapy is currently becoming an unprecedented bench-to-bedside success, the overall response rate to the current immunotherapy in patients with gastrointestinal (GI) cancers is pretty low. Here, we have carried out a literature search of the studies of DCs in the treatment of GI cancer patients. We provide the advances in DC-based immunotherapy and highlight the clinical trials that indicate the therapeutic efficacies and toxicities related with each vaccine. Moreover, we also offer the yet-to-be-addressed questions about DC-based immunotherapy. This study focuses predominantly on the data derived from human studies to help understand the involvement of DCs in patients with GI cancers.
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Affiliation(s)
- Ling Ni
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing, China
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2
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Development of Delivery Systems Enhances the Potency of Cell-Based HIV-1 Therapeutic Vaccine Candidates. J Immunol Res 2021; 2021:5538348. [PMID: 33997055 PMCID: PMC8081596 DOI: 10.1155/2021/5538348] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 03/31/2021] [Indexed: 12/11/2022] Open
Abstract
An effective therapeutic vaccine to eradicate HIV-1 infection does not exist yet. Among different vaccination strategies, cell-based vaccines could achieve in clinical trials. Cell viability and low nucleic acid expression are the problems related to dendritic cells (DCs) and mesenchymal stem cells (MSCs), which are transfected with plasmid DNA. Thus, novel in vitro strategies are needed to improve DNA transfection into these cells. The recent study assessed immune responses generated by MSCs and DCs, which were derived from mouse bone marrow and modified with Nef antigen using novel methods in mice. For this purpose, an excellent gene transfection approach by mechanical methods was used. Our data revealed that the transfection efficacy of Nef DNA into the immature MSCs and DCs was improved by the combination of chemical and mechanical (causing equiaxial cyclic stretch) approaches. Also, chemical transfection performed two times with 48-hour intervals further increased gene expression in both cells. The groups immunized with Nef DC prime/rNef protein boost and then Nef MSC prime/rNef protein boost were able to stimulate high levels of IFN-γ, IgG2b, IgG2a, and Granzyme B directed toward Th1 responses in mice. Furthermore, the mesenchymal or dendritic cell-based immunizations were more effective compared to protein immunization for enhancement of the Nef-specific T-cell responses in mice. Hence, the use of chemical reagent and mechanical loading simultaneously can be an excellent method in delivering cargoes into DCs and MSCs. Moreover, DC- and MSC-based immunizations can be considered as promising approaches for protection against HIV-1 infections.
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Sadat Larijani M, Sadat SM, Bolhassani A, Ramezani A. A Shot at Dendritic Cell-Based Vaccine Strategy against HIV-1. JOURNAL OF MEDICAL MICROBIOLOGY AND INFECTIOUS DISEASES 2019. [DOI: 10.29252/jommid.7.4.89] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
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Zou B, Xia S, Du X, Xu Y, Ning N, Li S, Teng D, Li H, Hu Z, Hu S, Wang Y. Treatment Effect of Tuftsin and Antigen Peptide Combined with Immune Cells on Colorectal Cancer. Med Sci Monit 2019; 25:5465-5472. [PMID: 31333222 PMCID: PMC6668490 DOI: 10.12659/msm.915037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background The aim of this study was to investigate the effect of antigenic peptides on dendritic cell maturation and activation as well as the role of dendritic cell induced cell function. The tumor-specific cytotoxic T lymphocytes induced by activation of the dendritic cells were also evaluated. Material/Methods SW-480 cell lysate and peptide antigens were selected as adjuvants in dendritic cell sensitization, and tuftsin was used to induce the phagocytosis of dendritic cells. Immature dendritic cells were stimulated with the antigen and adjuvant as follows: group A was negative control; group B was SW-480 (20 μg/mL); group C was SW-480 (20 μg/mL)+tumor necrosis factor (TNF)-α (10 μg/mL); group D was SW-480 (20 μg/mL)+tuftsin (20 μg/mL); group E was antigen peptide (2 μg/mL); group F was antigen peptide (2 μg/mL)+TNF-α (10 μg/mL); group G was antigen peptide (2 μg/mL)+tuftsin (20 μg/mL). Cytotoxic T lymphocytes activation and in vitro anti-tumor effects were examined by detecting the maturation marks of dendritic cells as well as interleukin (IL)-10 and IL-12 levels secreted by dendritic cells. Cells with the strongest immunizing effects were injected into nude mice and tumor suppression status was evaluated. Results Group D (SW-480+tuftsin), group E (antigen peptides), group F (antigen peptide+TNF-α), and group G (antigen peptides+tuftsin) displayed significant differences compared to the control group (P<0.05). Group G (antigen peptides+tuftsin) could also promote the secretion of cytokines IL-12, as well as inhibit cytokine IL-10 secretion, compared to the other experimental groups (P<0.05). In the in vivo experiments of tumor inhibitions, antigenic polypeptide+tuftsin was the most effective (P<0.05). Conclusions Combination of cytotoxic T lymphocytes and T peptide therapy in treating human colorectal cancer might be used as a new treatment strategy based on adoptive cellular immunotherapy.
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Affiliation(s)
- Boyuan Zou
- Department of Retroperitoneal Tumor Surgery, Peking University International Hospital, Beijing, China (mainland).,Department of General Surgery, The General Hospital of People's Liberation Army, Beijing, China (mainland)
| | - Shaoyou Xia
- Department of General Surgery, The General Hospital of People's Liberation Army, Beijing, China (mainland)
| | - Xiaohui Du
- Department of General Surgery, The General Hospital of People's Liberation Army, Beijing, China (mainland)
| | - Yingxin Xu
- Department of General Surgery, The General Hospital of People's Liberation Army, Beijing, China (mainland)
| | - Ning Ning
- Department of General Surgery, The General Hospital of People's Liberation Army, Beijing, China (mainland).,Department of Gastrointestinal Surgery, Peking University International Hospital, Beijing, China (mainland)
| | - Songyan Li
- Department of General Surgery, The General Hospital of People's Liberation Army, Beijing, China (mainland)
| | - Da Teng
- Department of General Surgery, The General Hospital of People's Liberation Army, Beijing, China (mainland)
| | - Hao Li
- Department of General Surgery, The General Hospital of People's Liberation Army, Beijing, China (mainland)
| | - Zilong Hu
- Department of General Surgery, The General Hospital of People's Liberation Army, Beijing, China (mainland)
| | - Shidong Hu
- Department of General Surgery, The General Hospital of People's Liberation Army, Beijing, China (mainland)
| | - Yufeng Wang
- Department of General Surgery, The General Hospital of People's Liberation Army, Beijing, China (mainland)
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Kuznetsova M, Lopatnikova J, Shevchenko J, Silkov A, Maksyutov A, Sennikov S. Cytotoxic Activity and Memory T Cell Subset Distribution of in vitro-Stimulated CD8 + T Cells Specific for HER2/neu Epitopes. Front Immunol 2019; 10:1017. [PMID: 31143180 PMCID: PMC6520647 DOI: 10.3389/fimmu.2019.01017] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 04/23/2019] [Indexed: 12/16/2022] Open
Abstract
Minimal residual disease remaining after resection of primary tumors can lead to tumor recurrence and metastasis, increasing mortality and morbidity rates among cancer patients. Thus, there is a need for new technologies for recognition and elimination of single cancer cells remaining in a patient's body after radiation therapy, chemotherapy, or surgical resection. Effector CD8+ T cells, also commonly known as cytotoxic T lymphocytes (CTLs), play a key role in antitumor cellular immunity and, when properly activated, are able to effectively destroy tumor cells. The aims of this study were to obtain CD8+ CTLs specific for the HER2/neu epitopes E75 and E88 and to assess the cytotoxic activity and composition of these cells in terms of the distribution of memory T-cell subsets. We obtained HER2-specific CD8+ T cells and assessed T cell subset distribution among them including naive T cells (TN), central memory T cells (TCM), effector memory T cells (TEM), stem cell-like memory T cells (TSCM) and terminally-differentiated T cells (TEMRA) via eight-color flow cytometry. HER2-specific CTLs were largely (~40–50%) represented by TSCM cells, a population capable of mounting pronounced antitumor immune responses due to a combination of effector function and self-maintenance. In comparison with activated peripheral blood mononuclear cells (PBMCs) and bulk CD8+ T cells, HER2-specific CTLs exhibited greater cytotoxicity against the HER2-expressing human breast adenocarcinoma cell line MCF-7 and produced higher levels of IFN-γ in response to tumor cells. We also showed the presence of HER2-specific CTLs in healthy individuals and increase in them in HER2-positive breast cancer patients. Collectively, our results suggest that HER2-specific CD8+ T cells isolated using this approach could be used for adoptive T-cell transfer to eliminate tumor cells and prevent metastasis and relapse in patients with HER2-overexpressing cancers.
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Affiliation(s)
- Maria Kuznetsova
- Laboratory of Molecular Immunology, State Budgetary Scientific Institution Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Julia Lopatnikova
- Laboratory of Molecular Immunology, State Budgetary Scientific Institution Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Julia Shevchenko
- Laboratory of Molecular Immunology, State Budgetary Scientific Institution Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Alexander Silkov
- Laboratory of Molecular Immunology, State Budgetary Scientific Institution Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Amir Maksyutov
- Laboratory of Molecular Immunology, State Budgetary Scientific Institution Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia.,State Research Center of Virology and Biotechnology VECTOR, Koltsovo, Novosibirsk, Russia
| | - Sergey Sennikov
- Laboratory of Molecular Immunology, State Budgetary Scientific Institution Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
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da Silva LT, Santillo BT, de Almeida A, Duarte AJDS, Oshiro TM. Using Dendritic Cell-Based Immunotherapy to Treat HIV: How Can This Strategy be Improved? Front Immunol 2018; 9:2993. [PMID: 30619346 PMCID: PMC6305438 DOI: 10.3389/fimmu.2018.02993] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 12/04/2018] [Indexed: 11/13/2022] Open
Abstract
Harnessing dendritic cells (DC) to treat HIV infection is considered a key strategy to improve anti-HIV treatment and promote the discovery of functional or sterilizing cures. Although this strategy represents a promising approach, the results of currently published trials suggest that opportunities to optimize its performance still exist. In addition to the genetic and clinical characteristics of patients, the efficacy of DC-based immunotherapy depends on the quality of the vaccine product, which is composed of precursor-derived DC and an antigen for pulsing. Here, we focus on some factors that can interfere with vaccine production and should thus be considered to improve DC-based immunotherapy for HIV infection.
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Affiliation(s)
- Laís Teodoro da Silva
- Laboratorio de Investigacao em Dermatologia e Imunodeficiencias, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Bruna Tereso Santillo
- Laboratorio de Investigacao em Dermatologia e Imunodeficiencias, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Alexandre de Almeida
- Laboratorio de Investigacao em Dermatologia e Imunodeficiencias, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Alberto Jose da Silva Duarte
- Laboratorio de Investigacao em Dermatologia e Imunodeficiencias, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Telma Miyuki Oshiro
- Laboratorio de Investigacao em Dermatologia e Imunodeficiencias, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
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Obleukhova I, Kiryishina N, Falaleeva S, Lopatnikova J, Kurilin V, Kozlov V, Vitsin A, Cherkasov A, Kulikova E, Sennikov S. Use of antigen-primed dendritic cells for inducing antitumor immune responses in vitro in patients with non-small cell lung cancer. Oncol Lett 2017; 15:1297-1306. [PMID: 29399182 DOI: 10.3892/ol.2017.7403] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Accepted: 08/23/2017] [Indexed: 02/06/2023] Open
Abstract
Cancer is associated with a reduction in immature and mature circulating dendritic cells (DCs), and with an impaired migratory capacity, compared with healthy donors. Therefore, modern approaches to the in vitro generation of DCs loaded with tumor antigens and their use for inducing antitumor immune responses in vivo are being investigated. The purpose of the present study was to investigate the phenotypic and functional characteristics of peripheral blood DC subsets in patients with non-small cell lung cancer (NSCLC), and the development of an antitumor cytotoxic response by mononuclear cells (MNCs) from patients using in vitro generated antigen-primed DCs. Heparinized peripheral venous blood samples were obtained from 10 healthy donors and 20 patients with a histologically verified diagnosis of NSCLC. The ability of antigen-activated DCs to stimulate the activity of MNCs against autologous tumor cells was evaluated using a cytotoxic test. Peripheral blood DC subsets from patients with NSCLC were identified to be decreased and to exhibit an impaired ability to mature, compared with healthy donors. Furthermore, DCs generated from MNCs from patients with NSCLC were able to stimulate a specific cytotoxic response when loaded with autologous tumor lysates or RNA and matured, in vitro. A perforin and granzyme B-dependent mode of cytotoxicity was primarily induced. The ability of DCs loaded with tumor antigens to increase the cytotoxic activity of MNCs against NSCLC cells in vitro indicates the effective induction and co-stimulation of T lymphocytes by the generated DCs.
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Affiliation(s)
- Irina Obleukhova
- Federal State Budgetary Scientific Institution 'Research Institute of Fundamental and Clinical Immunology' Laboratory of Molecular Immunology, Novosibirsk 630099, Russia
| | | | - Svetlana Falaleeva
- Federal State Budgetary Scientific Institution 'Research Institute of Fundamental and Clinical Immunology' Laboratory of Molecular Immunology, Novosibirsk 630099, Russia
| | - Julia Lopatnikova
- Federal State Budgetary Scientific Institution 'Research Institute of Fundamental and Clinical Immunology' Laboratory of Molecular Immunology, Novosibirsk 630099, Russia
| | - Vasiliy Kurilin
- Federal State Budgetary Scientific Institution 'Research Institute of Fundamental and Clinical Immunology' Laboratory of Molecular Immunology, Novosibirsk 630099, Russia
| | - Vadim Kozlov
- Novosibirsk Regional Clinical Oncology Center, Novosibirsk 630108, Russia
| | | | | | - Ekaterina Kulikova
- Federal State Budgetary Scientific Institution 'Research Institute of Fundamental and Clinical Immunology' Laboratory of Molecular Immunology, Novosibirsk 630099, Russia
| | - Sergey Sennikov
- Federal State Budgetary Scientific Institution 'Research Institute of Fundamental and Clinical Immunology' Laboratory of Molecular Immunology, Novosibirsk 630099, Russia
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Kuznetsova M, Lopatnikova J, Khantakova J, Maksyutov R, Maksyutov A, Sennikov S. Generation of populations of antigen-specific cytotoxic T cells using DCs transfected with DNA construct encoding HER2/neu tumor antigen epitopes. BMC Immunol 2017. [PMID: 28633645 PMCID: PMC5479015 DOI: 10.1186/s12865-017-0219-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Recent fundamental and clinical studies have confirmed the effectiveness of utilizing the potential of the immune system to remove tumor cells disseminated in a patient's body. Cytotoxic T lymphocytes (CTLs) are considered the main effectors in cell-mediated antitumor immunity. Approaches based on antigen presentation to CTLs by dendritic cells (DCs) are currently being intensively studied, because DCs are more efficient in tumor antigen presentation to T cells through their initiation of strong specific antitumor immune responses than other types of antigen-presenting cells. Today, it has become possible to isolate CTLs specific for certain antigenic determinants from heterogeneous populations of mononuclear cells. This enables direct and specific cell-mediated immune responses against cells carrying certain antigens. The aim of the present study was to develop an optimized protocol for generating CTL populations specific for epitopes of tumor-associated antigen HER2/neu, and to assess their cytotoxic effects against the HER2/neu-expressing MCF-7 tumor cell line. METHODS The developed protocol included sequential stages of obtaining mature DCs from PBMCs from HLA A*02-positive healthy donors, magnet-assisted transfection of mature DCs with the pMax plasmid encoding immunogenic peptides HER2 p369-377 (E75 peptide) and HER2 p689-697 (E88 peptide), coculture of antigen-activated DCs with autologous lymphocytes, magnetic-activated sorting of CTLs specific to HER2 epitopes, and stimulation of isolated CTLs with cytokines (IL-2, IL-7, and IL-15). RESULTS The resulting CTL populations were characterized by high contents of CD8+ cells (71.5% in cultures of E88-specific T cells and 90.2% in cultures of E75-specific T cells) and displayed strong cytotoxic effects against the MCF-7 cell line (percentages of damaged tumor cells in samples under investigation were 60.2 and 65.7% for E88- and E75-specific T cells, respectively; level of spontaneous death of target cells was 17.9%). CONCLUSIONS The developed protocol improves the efficiency of obtaining HER2/neu-specific CTLs and can be further used to obtain cell-based vaccines for eradicating targeted tumor cells to prevent tumor recurrence after the major tumor burden has been eliminated and preventing metastasis in patients with HER2-overexpressing tumors.
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Affiliation(s)
- Maria Kuznetsova
- Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Yadrintsevskaya str., 14, Novosibirsk, 630099, Russia
| | - Julia Lopatnikova
- Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Yadrintsevskaya str., 14, Novosibirsk, 630099, Russia
| | - Julia Khantakova
- Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Yadrintsevskaya str., 14, Novosibirsk, 630099, Russia
| | - Rinat Maksyutov
- State Research Center of Virology and Biotechnology "VECTOR", Koltsovo, Novosibirsk Region, 630559, Russia
| | - Amir Maksyutov
- Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Yadrintsevskaya str., 14, Novosibirsk, 630099, Russia.,State Research Center of Virology and Biotechnology "VECTOR", Koltsovo, Novosibirsk Region, 630559, Russia
| | - Sergey Sennikov
- Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Yadrintsevskaya str., 14, Novosibirsk, 630099, Russia.
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Sennikov SV, Khantakova JN, Kulikova EV, Obleukhova IA, Shevchenko JA. Modern strategies and capabilities for activation of the immune response against tumor cells. Tumour Biol 2017; 39:1010428317698380. [PMID: 28513301 DOI: 10.1177/1010428317698380] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Dendritic cells are professional antigen-presenting cells and the most potent stimulators of various immune responses, such as antitumor responses. Modern studies have not shown an effective antitumor immune response development in patients with malignant tumors. The major cause is the decrease in functional activity of dendritic cells in cancer patients through irregularities in the maturation process to a functionally active form and in the antigen presentation process to naive T lymphocytes. This review describes the main stages of cellular antitumor immune response induction in vitro, aimed at resolving the problems that are blocking the full functioning of dendritic cells, and additional stimulation of antitumor immune response.
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Affiliation(s)
- Sergey Vital'evich Sennikov
- Department of Molecular Immunology, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology," Novosibirsk, Russia
| | - Julia Nikolaevna Khantakova
- Department of Molecular Immunology, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology," Novosibirsk, Russia
| | - Ekaterina Vladimirovna Kulikova
- Department of Molecular Immunology, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology," Novosibirsk, Russia
| | - Irina Alexandrovna Obleukhova
- Department of Molecular Immunology, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology," Novosibirsk, Russia
| | - Julia Alexandrovna Shevchenko
- Department of Molecular Immunology, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology," Novosibirsk, Russia
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Sennikov SV, Shevchenko JA, Kurilin VV, Khantakova JN, Lopatnikova JA, Gavrilova EV, Maksyutov RA, Bakulina AY, Sidorov SV, Khristin AA, Maksyutov AZ. Induction of an antitumor response using dendritic cells transfected with DNA constructs encoding the HLA-A*02:01-restricted epitopes of tumor-associated antigens in culture of mononuclear cells of breast cancer patients. Immunol Res 2015; 64:171-80. [DOI: 10.1007/s12026-015-8735-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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