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Shi W, Wu W, Wang J, Meng X. Single-cell transcriptomics reveals comprehensive microenvironment and highlights the dysfuntional state of NK cells in endometrioid carcinoma. Medicine (Baltimore) 2024; 103:e37555. [PMID: 38552055 PMCID: PMC10977572 DOI: 10.1097/md.0000000000037555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 02/19/2024] [Indexed: 04/02/2024] Open
Abstract
Endometrioid endometrial cancer (EEC) is one of the most common gynecologic malignancies. The interaction between cancer cells and the cells in the tumor microenvironment (TME) plays a crucial role in determining disease progression and response to treatment. To better understand the diversity in the TME of ECC, we conducted a comprehensive analysis using single-cell RNA sequencing across 21 samples, including 16 ECC and 5 adjacent normal tissues. We primarily focused on tumor-infiltrating natural killer (NK) cells and their cell-cell interactions with other immune cell types. We identified a CD56dim_DNAJB1 NK cells subset, which had low cytotoxic capability and high stress levels, suggesting a dysfunctional state. This subset showed strong interactions with tumor-associated macrophages through several ligand-receptor pairs. Additionally, we observed that tumor-infiltrating LAMP3+ dendritic cells may inhibit CD8+ T cells or attract regulatory T cells to the tumor area. These dendritic cells also had impaired activation effects on NK cells within the TME. Our study provides valuable insights into the role of NK cells in cancer immunity and highlights the potential of targeting specific NK cell subsets for therapeutic purposes.
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Affiliation(s)
- Wenjie Shi
- Department of Medical Technology, Beijing Health Vocational College, Beijing, China
| | - Wuchen Wu
- Neurosurgery Department of Shenzhen University General Hospital, Shenzhen, China
| | - Jing Wang
- Department of Medical Technology, Beijing Health Vocational College, Beijing, China
- Neurosurgery Department of Shenzhen University General Hospital, Shenzhen, China
| | - Xianghong Meng
- Department of Medical Technology, Beijing Health Vocational College, Beijing, China
- Neurosurgery Department of Shenzhen University General Hospital, Shenzhen, China
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2
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Ma Y, Xu X, Wang H, Liu Y, Piao H. Non-coding RNA in tumor-infiltrating regulatory T cells formation and associated immunotherapy. Front Immunol 2023; 14:1228331. [PMID: 37671150 PMCID: PMC10475737 DOI: 10.3389/fimmu.2023.1228331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 07/28/2023] [Indexed: 09/07/2023] Open
Abstract
Cancer immunotherapy has exhibited promising antitumor effects in various tumors. Infiltrated regulatory T cells (Tregs) in the tumor microenvironment (TME) restrict protective immune surveillance, impede effective antitumor immune responses, and contribute to the formation of an immunosuppressive microenvironment. Selective depletion or functional attenuation of tumor-infiltrating Tregs, while eliciting effective T-cell responses, represents a potential approach for anti-tumor immunity. Furthermore, it does not disrupt the Treg-dependent immune homeostasis in healthy organs and does not induce autoimmunity. Yet, the shared cell surface molecules and signaling pathways between Tregs and multiple immune cell types pose challenges in this process. Noncoding RNAs (ncRNAs), including microRNAs (miRNAs) and long noncoding RNAs (lncRNAs), regulate both cancer and immune cells and thus can potentially improve antitumor responses. Here, we review recent advances in research of tumor-infiltrating Tregs, with a focus on the functional roles of immune checkpoint and inhibitory Tregs receptors and the regulatory mechanisms of ncRNAs in Treg plasticity and functionality.
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Affiliation(s)
- Yue Ma
- Department of Gynecology, Cancer Hospital of Dalian University of Technology (Liaoning Cancer Hospital & Institute), Shenyang, Liaoning, China
| | - Xin Xu
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Huaitao Wang
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yang Liu
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Haiyan Piao
- Medical Oncology Department of Gastrointestinal Cancer, Cancer Hospital of Dalian University of Technology (Liaoning Cancer Hospital & Institute), Shenyang, Liaoning, China
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3
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Zhao Y, Guo R, Cao X, Zhang Y, Sun R, Lu W, Zhao M. Role of chemokines in T-cell acute lymphoblastic Leukemia: From pathogenesis to therapeutic options. Int Immunopharmacol 2023; 121:110396. [PMID: 37295031 DOI: 10.1016/j.intimp.2023.110396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 05/23/2023] [Accepted: 05/24/2023] [Indexed: 06/11/2023]
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is a highly heterogeneous and aggressive subtype of hematologic malignancy, with limited therapeutic options due to the complexity of its pathogenesis. Although high-dose chemotherapy and allogeneic hematopoietic stem cell transplantation have improved outcomes for T-ALL patients, there remains an urgent need for novel treatments in cases of refractory or relapsed disease. Recent research has demonstrated the potential of targeted therapies aimed at specific molecular pathways to improve patient outcomes. Chemokine-related signals, both upstream and downstream, modulate the composition of distinct tumor microenvironments, thereby regulating a multitude of intricate cellular processes such as proliferation, migration, invasion and homing. Furthermore, the progress in research has made significant contributions to precision medicine by targeting chemokine-related pathways. This review article summarizes the crucial roles of chemokines and their receptors in T-ALL pathogenesis. Moreover, it explores the advantages and disadvantages of current and potential therapeutic options that target chemokine axes, including small molecule antagonists, monoclonal antibodies, and chimeric antigen receptor T-cells.
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Affiliation(s)
- YiFan Zhao
- First Center Clinic College of Tianjin Medical University, Tianjin 300192, China
| | - RuiTing Guo
- First Center Clinic College of Tianjin Medical University, Tianjin 300192, China
| | - XinPing Cao
- First Center Clinic College of Tianjin Medical University, Tianjin 300192, China
| | - Yi Zhang
- First Center Clinic College of Tianjin Medical University, Tianjin 300192, China
| | - Rui Sun
- School of Medicine, Nankai University, Tianjin 300192, China
| | - WenYi Lu
- Department of Hematology, Tianjin First Central Hospital, Tianjin 300192, China
| | - MingFeng Zhao
- Department of Hematology, Tianjin First Central Hospital, Tianjin 300192, China.
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4
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Hadjerci J, Billet A, Kessler P, Mourier G, Ghazarian M, Gonzalez A, Wunder C, Mabrouk N, Tartour E, Servent D, Johannes L. Engineered Synthetic STxB for Enhanced Cytosolic Delivery. Cells 2023; 12:cells12091291. [PMID: 37174690 PMCID: PMC10177378 DOI: 10.3390/cells12091291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 04/12/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023] Open
Abstract
Many molecular targets for cancer therapy are located in the cytosol. Therapeutic macromolecules are generally not able to spontaneously translocate across membranes to reach these cytosolic targets. Therefore a strong need exists for tools that enhance cytosolic delivery. Shiga toxin B-subunit (STxB) is used to deliver therapeutic principles to disease-relevant cells that express its receptor, the glycolipid Gb3. Based on its naturally existing membrane translocation capacity, STxB delivers antigens to the cytosol of Gb3-positive dendritic cells, leading to the induction of CD8+ T cells. Here, we have explored the possibility of further increasing the membrane translocation of STxB to enable other therapeutic applications. For this, our capacity to synthesize STxB chemically was exploited to introduce unnatural amino acids at different positions of the protein. These were then functionalized with hydrophobic entities to locally destabilize endosomal membranes. Intracellular trafficking of these functionalized STxB was measured by confocal microscopy and their cytosolic arrival with a recently developed highly robust, sensitive, and quantitative translocation assay. From different types of hydrophobic moieties that were linked to STxB, the most efficient configuration was determined. STxB translocation was increased by a factor of 2.5, paving the path for new biomedical opportunities.
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Affiliation(s)
- Justine Hadjerci
- Cellular and Chemical Biology Unit, Institut Curie, Université PSL, U1143 INSERM, UMR3666 CNRS, 26 Rue d'Ulm, CEDEX 05, 75248 Paris, France
| | - Anne Billet
- Cellular and Chemical Biology Unit, Institut Curie, Université PSL, U1143 INSERM, UMR3666 CNRS, 26 Rue d'Ulm, CEDEX 05, 75248 Paris, France
- Université de Paris, 85 Boulevard Saint-Germain, 75006 Paris, France
| | - Pascal Kessler
- DMTS/SIMoS, CEA, Université Paris Saclay, 91191 Gif sur Yvette, France
| | - Gilles Mourier
- DMTS/SIMoS, CEA, Université Paris Saclay, 91191 Gif sur Yvette, France
| | - Marine Ghazarian
- DMTS/SIMoS, CEA, Université Paris Saclay, 91191 Gif sur Yvette, France
| | - Anthony Gonzalez
- DMTS/SIMoS, CEA, Université Paris Saclay, 91191 Gif sur Yvette, France
| | - Christian Wunder
- Cellular and Chemical Biology Unit, Institut Curie, Université PSL, U1143 INSERM, UMR3666 CNRS, 26 Rue d'Ulm, CEDEX 05, 75248 Paris, France
| | | | - Eric Tartour
- PARCC, INSERM, Université Paris Cité, 75015 Paris, France
- Department of Immunology, Hôpital Européen Georges-Pompidou, AP-HP, CEDEX 15, 75908 Paris, France
| | - Denis Servent
- DMTS/SIMoS, CEA, Université Paris Saclay, 91191 Gif sur Yvette, France
| | - Ludger Johannes
- Cellular and Chemical Biology Unit, Institut Curie, Université PSL, U1143 INSERM, UMR3666 CNRS, 26 Rue d'Ulm, CEDEX 05, 75248 Paris, France
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5
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Characterizing the tumor microenvironment at the single-cell level reveals a novel immune evasion mechanism in osteosarcoma. Bone Res 2023; 11:4. [PMID: 36596773 PMCID: PMC9810605 DOI: 10.1038/s41413-022-00237-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 07/08/2022] [Accepted: 09/04/2022] [Indexed: 01/04/2023] Open
Abstract
The immune microenvironment extensively participates in tumorigenesis as well as progression in osteosarcoma (OS). However, the landscape and dynamics of immune cells in OS are poorly characterized. By analyzing single-cell RNA sequencing (scRNA-seq) data, which characterize the transcription state at single-cell resolution, we produced an atlas of the immune microenvironment in OS. The results suggested that a cluster of regulatory dendritic cells (DCs) might shape the immunosuppressive microenvironment in OS by recruiting regulatory T cells. We also found that major histocompatibility complex class I (MHC-I) molecules were downregulated in cancer cells. The findings indicated a reduction in tumor immunogenicity in OS, which can be a potential mechanism of tumor immune escape. Of note, CD24 was identified as a novel "don't eat me" signal that contributed to the immune evasion of OS cells. Altogether, our findings provide insights into the immune landscape of OS, suggesting that myeloid-targeted immunotherapy could be a promising approach to treat OS.
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6
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STxB as an Antigen Delivery Tool for Mucosal Vaccination. Toxins (Basel) 2022; 14:toxins14030202. [PMID: 35324699 PMCID: PMC8948715 DOI: 10.3390/toxins14030202] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 03/03/2022] [Accepted: 03/07/2022] [Indexed: 12/31/2022] Open
Abstract
Immunotherapy against cancer and infectious disease holds the promise of high efficacy with minor side effects. Mucosal vaccines to protect against tumors or infections disease agents that affect the upper airways or the lung are still lacking, however. One mucosal vaccine candidate is the B-subunit of Shiga toxin, STxB. In this review, we compare STxB to other immunotherapy vectors. STxB is a non-toxic protein that binds to a glycosylated lipid, termed globotriaosylceramide (Gb3), which is preferentially expressed by dendritic cells. We review the use of STxB for the cross-presentation of tumor or viral antigens in a MHC class I-restricted manner to induce humoral immunity against these antigens in addition to polyfunctional and persistent CD4+ and CD8+ T lymphocytes capable of protecting against viral infection or tumor growth. Other literature will be summarized that documents a powerful induction of mucosal IgA and resident memory CD8+ T cells against mucosal tumors specifically when STxB-antigen conjugates are administered via the nasal route. It will also be pointed out how STxB-based vaccines have been shown in preclinical cancer models to synergize with other therapeutic modalities (immune checkpoint inhibitors, anti-angiogenic therapy, radiotherapy). Finally, we will discuss how molecular aspects such as low immunogenicity, cross-species conservation of Gb3 expression, and lack of toxicity contribute to the competitive positioning of STxB among the different DC targeting approaches. STxB thereby appears as an original and innovative tool for the development of mucosal vaccines in infectious diseases and cancer.
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7
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Kohli K, Pillarisetty VG, Kim TS. Key chemokines direct migration of immune cells in solid tumors. Cancer Gene Ther 2022; 29:10-21. [PMID: 33603130 PMCID: PMC8761573 DOI: 10.1038/s41417-021-00303-x] [Citation(s) in RCA: 177] [Impact Index Per Article: 88.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 01/18/2021] [Accepted: 01/28/2021] [Indexed: 01/31/2023]
Abstract
Immune cell infiltration into solid tumors, their movement within the tumor microenvironment (TME), and interaction with other immune cells are controlled by their directed migration towards gradients of chemokines. Dysregulated chemokine signaling in TME favors the growth of tumors, exclusion of effector immune cells, and abundance of immunosuppressive cells. Key chemokines directing the migration of immune cells into tumor tissue have been identified. In this review, we discuss well-studied chemokine receptors that regulate migration of effector and immunosuppressive immune cells in the context of cancer immunology. We discuss preclinical models that have described the role of respective chemokine receptors in immune cell migration into TME and review preclinical and clinical studies that target chemokine signaling as standalone or combination therapies.
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Affiliation(s)
- Karan Kohli
- grid.34477.330000000122986657University of Washington, Department of Surgery, Seattle, WA USA
| | - Venu G. Pillarisetty
- grid.34477.330000000122986657University of Washington, Department of Surgery, Seattle, WA USA
| | - Teresa S. Kim
- grid.34477.330000000122986657University of Washington, Department of Surgery, Seattle, WA USA
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8
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Oudard S, Benhamouda N, Escudier B, Ravel P, Tran T, Levionnois E, Negrier S, Barthelemy P, Berdah JF, Gross-Goupil M, Sternberg CN, Bono P, Porta C, Giorgi UD, Parikh O, Hawkins R, Highley M, Wilke J, Decker T, Tanchot C, Gey A, Terme M, Tartour E. Decrease of Pro-Angiogenic Monocytes Predicts Clinical Response to Anti-Angiogenic Treatment in Patients with Metastatic Renal Cell Carcinoma. Cells 2021; 11:17. [PMID: 35011579 PMCID: PMC8750389 DOI: 10.3390/cells11010017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 12/06/2021] [Accepted: 12/16/2021] [Indexed: 12/12/2022] Open
Abstract
The modulation of subpopulations of pro-angiogenic monocytes (VEGFR-1+CD14 and Tie2+CD14) was analyzed in an ancillary study from the prospective PazopanIb versus Sunitinib patient preferenCE Study (PISCES) (NCT01064310), where metastatic renal cell carcinoma (mRCC) patients were treated with two anti-angiogenic drugs, either sunitinib or pazopanib. Blood samples from 86 patients were collected prospectively at baseline (T1), and at 10 weeks (T2) and 20 weeks (T3) after starting anti-angiogenic therapy. Various subpopulations of myeloid cells (monocytes, VEGFR-1+CD14 and Tie2+CD14 cells) decreased during treatment. When patients were divided into two subgroups with a decrease (defined as a >20% reduction from baseline value) (group 1) or not (group 2) at T3 for VEGFR-1+CD14 cells, group 1 patients presented a median PFS and OS of 24 months and 37 months, respectively, compared with a median PFS of 9 months (p = 0.032) and a median OS of 16 months (p = 0.033) in group 2 patients. The reduction in Tie2+CD14 at T3 predicted a benefit in OS at 18 months after therapy (p = 0.04). In conclusion, in this prospective clinical trial, a significant decrease in subpopulations of pro-angiogenic monocytes was associated with clinical response to anti-angiogenic drugs in patients with mRCC.
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Affiliation(s)
- Stephane Oudard
- APHP, Hôpital Européen Georges Pompidou, INSERM U970, PARCC, Université de Paris, 75020 Paris, France; (N.B.); (T.T.); (E.L.); (C.T.); (A.G.); (M.T.)
- APHP, Service de Cancérologie, Hôpital Européen Georges Pompidou, Université de Paris, 75908 Paris, France
| | - Nadine Benhamouda
- APHP, Hôpital Européen Georges Pompidou, INSERM U970, PARCC, Université de Paris, 75020 Paris, France; (N.B.); (T.T.); (E.L.); (C.T.); (A.G.); (M.T.)
| | - Bernard Escudier
- Department of Medical Oncology, Institut Gustave Roussy, CEDEX, 94805 Villejuif, France;
| | - Patrice Ravel
- Cancer Bioinformatics and Systems Biology, Institut de Recherche en Cancérologie de Montpellier, Campus Val d’Aurelle, Université Montpellier, CEDEX 5, 34298 Montpellier, France;
| | - Thi Tran
- APHP, Hôpital Européen Georges Pompidou, INSERM U970, PARCC, Université de Paris, 75020 Paris, France; (N.B.); (T.T.); (E.L.); (C.T.); (A.G.); (M.T.)
| | - Emeline Levionnois
- APHP, Hôpital Européen Georges Pompidou, INSERM U970, PARCC, Université de Paris, 75020 Paris, France; (N.B.); (T.T.); (E.L.); (C.T.); (A.G.); (M.T.)
| | - Sylvie Negrier
- Centre Léon Bérard Lyon, University Lyon 1, 69008 Lyon, France;
| | - Philippe Barthelemy
- Institut de Cancérologie Strasbourg Europe, Strasbourg University Hospital, 67200 Strasbourg, France;
| | - Jean François Berdah
- Medical Oncology Unit, Hôpital Privé Toulon-Hyères, Sainte-Marguerite, 83400 Hyeres, France;
| | - Marine Gross-Goupil
- Department of Medical Oncology, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, 31000 Bordeaux, France;
| | - Cora N. Sternberg
- Englander Institute for Precision Medicine, Weill Cornell Medicine, Sandra and Edward Meyer Cancer, New York, NY 10065, USA;
| | - Petri Bono
- Kamppi Hospital Department, Terveystalo Finland, 00100 Helsinki, Finland;
| | - Camillo Porta
- Division of Translational Oncology, IRCCS San Matteo University Hospital, 27100 Pavia, Italy;
- Division of Oncology, Policlinico Consorziale di Bari, University of Bari ‘A. Moro’, 70121 Bari, Italy
| | - Ugo De Giorgi
- IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) Dino Amadori, 47014 Meldola, Italy;
| | - Omi Parikh
- Department of Oncology, Lancashire Teaching Hospitals NHS Foundation Trust, Preston PR2 9HT, UK;
| | - Robert Hawkins
- Institute of Cancer Sciences, University of Manchester, Manchester M13 9PL, UK;
| | - Martin Highley
- Oncology Centre, Derriford Hospital, Plymouth PL6 8DH, UK;
| | - Jochen Wilke
- Gemeinschaftspraxis Dres. Wilke/Wagner/Petzoldt, 90766 Fuerth, Germany;
| | - Thomas Decker
- Studienzentrum Onkologie, Practice for Hematology and Oncology, 88212 Ravensburg, Germany;
| | - Corinne Tanchot
- APHP, Hôpital Européen Georges Pompidou, INSERM U970, PARCC, Université de Paris, 75020 Paris, France; (N.B.); (T.T.); (E.L.); (C.T.); (A.G.); (M.T.)
| | - Alain Gey
- APHP, Hôpital Européen Georges Pompidou, INSERM U970, PARCC, Université de Paris, 75020 Paris, France; (N.B.); (T.T.); (E.L.); (C.T.); (A.G.); (M.T.)
| | - Magali Terme
- APHP, Hôpital Européen Georges Pompidou, INSERM U970, PARCC, Université de Paris, 75020 Paris, France; (N.B.); (T.T.); (E.L.); (C.T.); (A.G.); (M.T.)
| | - Eric Tartour
- APHP, Hôpital Européen Georges Pompidou, INSERM U970, PARCC, Université de Paris, 75020 Paris, France; (N.B.); (T.T.); (E.L.); (C.T.); (A.G.); (M.T.)
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9
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Wang C, Zainal NS, Chai SJ, Dickie J, Gan CP, Zulaziz N, Lye BKW, Sutavani RV, Ottensmeier CH, King EV, Abraham MT, Ismail SMB, Lau SH, Kallarakkal TG, Mun KS, Zain RB, Abdul Rahman ZA, Thomas GJ, Cheong SC, Savelyeva N, Lim KP. DNA Vaccines Targeting Novel Cancer-Associated Antigens Frequently Expressed in Head and Neck Cancer Enhance the Efficacy of Checkpoint Inhibitor. Front Immunol 2021; 12:763086. [PMID: 34733290 PMCID: PMC8559892 DOI: 10.3389/fimmu.2021.763086] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 09/27/2021] [Indexed: 12/24/2022] Open
Abstract
HPV-independent head and neck squamous cell carcinoma (HNSCC) is a common cancer globally. The overall response rate to anti-PD1 checkpoint inhibitors (CPIs) in HNSCC is ~16%. One major factor influencing the effectiveness of CPI is the level of tumor infiltrating T cells (TILs). Converting TILlow tumors to TILhigh tumors is thus critical to improve clinical outcome. Here we describe a novel DNA vaccines to facilitate the T-cell infiltration and control tumor growth. We evaluated the expression of target antigens and their respective immunogenicity in HNSCC patients. The efficacy of DNA vaccines targeting two novel antigens were evaluated with or without CPI using a syngeneic model. Most HNSCC patients (43/44) co-expressed MAGED4B and FJX1 and their respective tetramer-specific T cells were in the range of 0.06-0.12%. In a preclinical model, antigen-specific T cells were induced by DNA vaccines and increased T cell infiltration into the tumor, but not MDSC or regulatory T cells. The vaccines inhibited tumor growth and improved the outcome alone and upon combination with anti-PD1 and resulted in tumor clearance in approximately 75% of mice. Pre-existence of MAGED4B and FJX1-reactive T cells in HNSCC patients suggests that these widely expressed antigens are highly immunogenic and could be further expanded by vaccination. The DNA vaccines targeting these antigens induced robust T cell responses and with the anti-PD1 antibody conferring excellent tumor control. This opens up an opportunity for combination immunotherapy that might benefit a wider population of HNSCC patients in an antigen-specific manner.
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Affiliation(s)
- Chuan Wang
- Head and Neck Cancer Center, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Nur Syafinaz Zainal
- Cancer Immunology and Immunotherapy Unit, Cancer Research Malaysia, Selangor, Malaysia
| | - San Jiun Chai
- Cancer Immunology and Immunotherapy Unit, Cancer Research Malaysia, Selangor, Malaysia
| | - James Dickie
- Cancer Sciences, University of Southampton, Southampton, United Kingdom
| | - Chai Phei Gan
- Cancer Immunology and Immunotherapy Unit, Cancer Research Malaysia, Selangor, Malaysia
| | - Natasha Zulaziz
- Cancer Immunology and Immunotherapy Unit, Cancer Research Malaysia, Selangor, Malaysia
| | - Bryan Kit Weng Lye
- Cancer Immunology and Immunotherapy Unit, Cancer Research Malaysia, Selangor, Malaysia
| | - Ruhcha V Sutavani
- Cancer Sciences, University of Southampton, Southampton, United Kingdom
| | - Christian H Ottensmeier
- Head and Neck Cancer Center, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Emma V King
- Cancer Sciences, University of Southampton, Southampton, United Kingdom
| | - Mannil Thomas Abraham
- Ministry of Health Malaysia, Department of Oral & Maxillofacial Surgery, Tengku Ampuan Rahimah Hospital, Klang, Malaysia
| | - Siti Mazlipah Binti Ismail
- Department of Oral and Maxillofacial Clinical Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Shin Hin Lau
- Stomatology Unit, Cancer Research Centre, Institute for Medical Research, Kuala Lumpur, Malaysia
| | - Thomas George Kallarakkal
- Department of Oral and Maxillofacial Clinical Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia.,Oral Cancer Research and Coordinating Centre, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Kein Seong Mun
- Department of Pathology, Faculty of Medicine, University of Malaya, Selangor, Malaysia
| | - Rosnah Binti Zain
- Oral Cancer Research and Coordinating Centre, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia.,Faculty of Dentistry, Malaysian Allied Health Sciences Academy (MAHSA) University, Selangor, Malaysia
| | - Zainal Ariff Abdul Rahman
- Department of Oral and Maxillofacial Clinical Sciences, Faculty of Dentistry, University Teknologi Majlis Amanah Rakyat (MARA), Selangor, Malaysia
| | - Gareth J Thomas
- Cancer Sciences, University of Southampton, Southampton, United Kingdom
| | - Sok Ching Cheong
- Cancer Immunology and Immunotherapy Unit, Cancer Research Malaysia, Selangor, Malaysia
| | - Natalia Savelyeva
- Head and Neck Cancer Center, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Kue Peng Lim
- Cancer Immunology and Immunotherapy Unit, Cancer Research Malaysia, Selangor, Malaysia
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10
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Yoshie O. CCR4 as a Therapeutic Target for Cancer Immunotherapy. Cancers (Basel) 2021; 13:cancers13215542. [PMID: 34771703 PMCID: PMC8583476 DOI: 10.3390/cancers13215542] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/01/2021] [Accepted: 11/03/2021] [Indexed: 12/16/2022] Open
Abstract
Simple Summary CCR4 is a chemokine receptor selectively expressed on normal T cell subsets such as type 2 helper T cells, skin-homing T cells and regulatory T cells, and on skin-associated T cell malignancies such as adult T cell leukemia/lymphoma (ATLL), which is etiologically associated with human T lymphocyte virus type 1 (HTLV-1), and cutaneous T cell lymphomas (CTCLs). Mogamulizumab is a fully humanized and glyco-engineered monoclonal anti-CCR4 antibody used for the treatment of refractory/relapsed ATLL and CTCLs, often resulting in complete remission. The clinical applications of Mogamulizumab are now being extended to solid tumors, exploring the therapeutic effect of regulatory T cell depletion. This review overviews the expression of CCR4 in various T cell subsets, HTLV-1-infected T cells, ATLL and CTCLs, and the clinical applications of Mogamulizumab. Abstract CCR4 is a chemokine receptor mainly expressed by T cells. It is the receptor for two CC chemokine ligands, CCL17 and CCL22. Originally, the expression of CCR4 was described as highly selective for helper T type 2 (Th2) cells. Later, its expression was extended to other T cell subsets such as regulatory T (Treg) cells and Th17 cells. CCR4 has long been regarded as a potential therapeutic target for allergic diseases such as atopic dermatitis and bronchial asthma. Furthermore, the findings showing that CCR4 is strongly expressed by T cell malignancies such as adult T cell leukemia/lymphoma (ATLL) and cutaneous T cell lymphomas (CTCLs) have led to the development and clinical application of the fully humanized and glyco-engineered monoclonal anti-CCR4 Mogamulizumab in refractory/relapsed ATLL and CTCLs with remarkable successes. However, Mogamulizumab often induces severe adverse events in the skin possibly because of its efficient depletion of Treg cells. In particular, treatment with Mogamulizumab prior to allogenic hematopoietic stem cell transplantation (allo-HSCT), the only curative option of these T cell malignancies, often leads to severe glucocorticoid-refractory graft-versus-host diseases. The efficient depletion of Treg cells by Mogamulizumab has also led to its clinical trials in advanced solid tumors singly or in combination with immune checkpoint inhibitors. The main focus of this review is CCR4; its expression on normal and malignant T cells and its significance as a therapeutic target in cancer immunotherapy.
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Affiliation(s)
- Osamu Yoshie
- Health and Kampo Institute, Sendai 981-3205, Japan;
- Kindai University, Osaka 577-8502, Japan
- Aoinosono-Sendai Izumi Long-Term Health Care Facility, Sendai 981-3126, Japan
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11
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Johannes L. The Cellular and Chemical Biology of Endocytic Trafficking and Intracellular Delivery-The GL-Lect Hypothesis. Molecules 2021; 26:3299. [PMID: 34072622 PMCID: PMC8198588 DOI: 10.3390/molecules26113299] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 04/27/2021] [Accepted: 05/06/2021] [Indexed: 12/31/2022] Open
Abstract
Lipid membranes are common to all forms of life. While being stable barriers that delimitate the cell as the fundamental organismal unit, biological membranes are highly dynamic by allowing for lateral diffusion, transbilayer passage via selective channels, and in eukaryotic cells for endocytic uptake through the formation of membrane bound vesicular or tubular carriers. Two of the most abundant fundamental fabrics of membranes-lipids and complex sugars-are produced through elaborate chains of biosynthetic enzymes, which makes it difficult to study them by conventional reverse genetics. This review illustrates how organic synthesis provides access to uncharted areas of membrane glycobiology research and its application to biomedicine. For this Special Issue on Chemical Biology Research in France, focus will be placed on synthetic approaches (i) to study endocytic functions of glycosylated proteins and lipids according to the GlycoLipid-Lectin (GL-Lect) hypothesis, notably that of Shiga toxin; (ii) to mechanistically dissect its endocytosis and intracellular trafficking with small molecule; and (iii) to devise intracellular delivery strategies for immunotherapy and tumor targeting. It will be pointed out how the chemical biologist's view on lipids, sugars, and proteins synergizes with biophysics and modeling to "look" into the membrane for atomistic scale insights on molecular rearrangements that drive the biogenesis of endocytic carriers in processes of clathrin-independent endocytosis.
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Affiliation(s)
- Ludger Johannes
- Cellular and Chemical Biology Department, Institut Curie, PSL Research University, U1143 INSERM, UMR3666 CNRS, 26 rue d'Ulm, CEDEX 05, 75248 Paris, France
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12
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Glasner A, Plitas G. Tumor resident regulatory T cells. Semin Immunol 2021; 52:101476. [PMID: 33906820 DOI: 10.1016/j.smim.2021.101476] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 04/08/2021] [Accepted: 04/13/2021] [Indexed: 02/08/2023]
Abstract
The immune system mediates powerful effector mechanisms to protect against a diversity of pathogens and equally as important regulatory functions, to limit collateral damage of inflammation, prevent misguided immune responses to "self", and promote tissue repair. Inadequate regulatory control can lead to a variety of inflammatory disorders including autoimmunity, metabolic syndrome, allergies, and progression of malignancies. Cancers evolve complex mechanisms to thwart immune eradication including coopting normal host regulatory processes. This is most evident in the analysis of tumor infiltrating lymphocytes (TILs), where a preponderance of immunosuppressive immune cells, such as regulatory T (Treg) cells are found. Treg cells express the X-chromosome linked transcription factor Foxp3 and play a crucial role in maintaining immune homeostasis by suppressing inflammatory responses in diverse biological settings. Treg cells in the tumor microenvironment promote tumor development and progression by dampening anti-tumor immune responses, directly supporting the survival of transformed cells through elaboration of growth factors, and interacting with accessory cells in tumors such as fibroblasts and endothelial cells. Current insights into the phenotype and function of tumor associated Treg cells have opened up opportunities for their selective targeting in cancer with the goal of alleviating their suppression of anti-tumor immune responses while maintaining overall immune homeostasis. Here, we review Treg cell biology in the context of the tumor microenvironment (TME), and the important role they play in cancer immunotherapy.
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Affiliation(s)
- Ariella Glasner
- Immunology Program and Ludwig Center for Cancer Immunotherapy, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - George Plitas
- Immunology Program and Ludwig Center for Cancer Immunotherapy, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA; Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA.
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13
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Recruitment and Expansion of Tregs Cells in the Tumor Environment-How to Target Them? Cancers (Basel) 2021; 13:cancers13081850. [PMID: 33924428 PMCID: PMC8069615 DOI: 10.3390/cancers13081850] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/04/2021] [Accepted: 04/08/2021] [Indexed: 12/22/2022] Open
Abstract
Simple Summary The immune response against cancer is generated by effector T cells, among them cytotoxic CD8+ T cells that destroy cancer cells and helper CD4+ T cells that mediate and support the immune response. This antitumor function of T cells is tightly regulated by a particular subset of CD4+ T cells, named regulatory T cells (Tregs), through different mechanisms. Even if the complete inhibition of Tregs would be extremely harmful due to their tolerogenic role in impeding autoimmune diseases in the periphery, the targeted blockade of their accumulation at tumor sites or their targeted depletion represent a major therapeutic challenge. This review focuses on the mechanisms favoring Treg recruitment, expansion and stabilization in the tumor microenvironment and the therapeutic strategies developed to block these mechanisms. Abstract Regulatory T cells (Tregs) are present in a large majority of solid tumors and are mainly associated with a poor prognosis, as their major function is to inhibit the antitumor immune response contributing to immunosuppression. In this review, we will investigate the mechanisms involved in the recruitment, amplification and stability of Tregs in the tumor microenvironment (TME). We will also review the strategies currently developed to inhibit Tregs’ deleterious impact in the TME by either inhibiting their recruitment, blocking their expansion, favoring their plastic transformation into other CD4+ T-cell subsets, blocking their suppressive function or depleting them specifically in the TME to avoid severe deleterious effects associated with Treg neutralization/depletion in the periphery and normal tissues.
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Karaki S, Blanc C, Tran T, Galy-Fauroux I, Mougel A, Dransart E, Anson M, Tanchot C, Paolini L, Gruel N, Gibault L, Lepimpec-Barhes F, Fabre E, Benhamouda N, Badoual C, Damotte D, Donnadieu E, Kobold S, Mami-Chouaib F, Golub R, Johannes L, Tartour E. CXCR6 deficiency impairs cancer vaccine efficacy and CD8 + resident memory T-cell recruitment in head and neck and lung tumors. J Immunother Cancer 2021; 9:e001948. [PMID: 33692218 PMCID: PMC7949477 DOI: 10.1136/jitc-2020-001948] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/24/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Resident memory T lymphocytes (TRM) are located in tissues and play an important role in immunosurveillance against tumors. The presence of TRM prior to treatment or their induction is associated to the response to anti-Programmed cell death protein 1 (PD-1)/Programmed death-ligand 1 (PD-L1) immunotherapy and the efficacy of cancer vaccines. Previous work by our group and others has shown that the intranasal route of vaccination allows more efficient induction of these cells in head and neck and lung mucosa, resulting in better tumor protection. The mechanisms of in vivo migration of these cells remains largely unknown, apart from the fact that they express the chemokine receptor CXCR6. METHODS We used CXCR6-deficient mice and an intranasal tumor vaccination model targeting the Human Papillomavirus (HPV) E7 protein expressed by the TC-1 lung cancer epithelial cell line. The role of CXCR6 and its ligand, CXCL16, was analyzed using multiparametric cytometric techniques and Luminex assays.Human biopsies obtained from patients with lung cancer were also included in this study. RESULTS We showed that CXCR6 was preferentially expressed by CD8+ TRM after vaccination in mice and also on intratumoral CD8+ TRM derived from human lung cancer. We also demonstrate that vaccination of Cxcr6-deficient mice induces a defect in the lung recruitment of antigen-specific CD8+ T cells, preferentially in the TRM subsets. In addition, we found that intranasal vaccination with a cancer vaccine is less effective in these Cxcr6-deficient mice compared with wild-type mice, and this loss of efficacy is associated with decreased recruitment of local antitumor CD8+ TRM. Interestingly, intranasal, but not intramuscular vaccination induced higher and more sustained concentrations of CXCL16, compared with other chemokines, in the bronchoalveolar lavage fluid and pulmonary parenchyma. CONCLUSIONS This work demonstrates the in vivo role of CXCR6-CXCL16 axis in the migration of CD8+ resident memory T cells in lung mucosa after vaccination, resulting in the control of tumor growth. This work reinforces and explains why the intranasal route of vaccination is the most appropriate strategy for inducing these cells in the head and neck and pulmonary mucosa, which remains a major objective to overcome resistance to anti-PD-1/PD-L1, especially in cold tumors.
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Affiliation(s)
- Soumaya Karaki
- Université de Paris, PARCC, INSERM U970, 75006 Paris, France
- Equipe Labellisée Ligue contre le Cancer, Paris, France
| | - Charlotte Blanc
- Université de Paris, PARCC, INSERM U970, 75006 Paris, France
- Equipe Labellisée Ligue contre le Cancer, Paris, France
| | - Thi Tran
- Université de Paris, PARCC, INSERM U970, 75006 Paris, France
- Equipe Labellisée Ligue contre le Cancer, Paris, France
| | - Isabelle Galy-Fauroux
- Université de Paris, PARCC, INSERM U970, 75006 Paris, France
- Equipe Labellisée Ligue contre le Cancer, Paris, France
| | - Alice Mougel
- Université de Paris, PARCC, INSERM U970, 75006 Paris, France
- Equipe Labellisée Ligue contre le Cancer, Paris, France
| | - Estelle Dransart
- Institut Curie, PSL Research University, Cellular and Chemical Biology Unit, U1143 INSERM, UMR3666 CNRS, 75248 Paris Cedex 05, France
| | - Marie Anson
- Université de Paris, PARCC, INSERM U970, 75006 Paris, France
- Equipe Labellisée Ligue contre le Cancer, Paris, France
| | - Corinne Tanchot
- Université de Paris, PARCC, INSERM U970, 75006 Paris, France
- Equipe Labellisée Ligue contre le Cancer, Paris, France
| | - Lea Paolini
- Université de Paris, PARCC, INSERM U970, 75006 Paris, France
- Equipe Labellisée Ligue contre le Cancer, Paris, France
| | - Nadege Gruel
- INSERM U830, Equipe labellisée LNCC, Siredo Oncology Centre, Institut Curie, 75248 Paris Cedex 05, France
- Institut Curie, PSL Research University, Department of Translational Research, 75248 Paris Cedex 05, France
| | - Laure Gibault
- Department of Pathology, APHP, Hôpital Européen Georges Pompidou, 75015 Paris, France
| | - Francoise Lepimpec-Barhes
- Department of Thoracic Surgery, INSERM UMRS 1138, APHP, Hôpital Europeen Georges Pompidou, 75015 Paris, France
| | - Elizabeth Fabre
- Lung Oncology Unit, APHP, Hôpital Européen Georges Pompidou, 75015 Paris, France
| | | | - Cecile Badoual
- Department of Pathology, APHP, Hôpital Européen Georges Pompidou, 75015 Paris, France
| | - Diane Damotte
- Department of Pathology, APHP, Hôpital Cochin, 75014 Paris, Île-de-France, France
| | - Emmanuel Donnadieu
- Departement Immunologie, Inflammation et Infection, Institut Cochin, INSERM U1016, CNRS UMR8104, Université de Paris, 75014 Paris, Île-de-France, France
| | - Sebastian Kobold
- Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Department of Medicine IV, Klinikum der Universität München, LMU Munich, Germany, Member of the German Center for Lung Research (DZL), Munchen, Germany
- German Center for Translational Cancer Research (DKTK), partner site, Munchen, Germany
| | - Fathia Mami-Chouaib
- INSERM UMR 1186, Institut Gustave Roussy, Faculté de Médecine-Université Paris-Sud, Université Paris-Saclay, 94805 Villejuif, France
| | - Rachel Golub
- Unit for Lymphopoiesis, Department of Immunology, Institut Pasteur, INSERM U1223, 75006 Paris, France
| | - Ludger Johannes
- Institut Curie, PSL Research University, Cellular and Chemical Biology Unit, U1143 INSERM, UMR3666 CNRS, 75248 Paris Cedex 05, France
| | - Eric Tartour
- Université de Paris, PARCC, INSERM U970, 75006 Paris, France
- Equipe Labellisée Ligue contre le Cancer, Paris, France
- Immunology, APHP,Hôpital Europeen Georges Pompidou, Paris, France
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15
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Small Molecule CCR4 Antagonists Protect Mice from Aspergillus Infection and Allergy. Biomolecules 2021; 11:biom11030351. [PMID: 33669094 PMCID: PMC7996545 DOI: 10.3390/biom11030351] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 02/18/2021] [Accepted: 02/23/2021] [Indexed: 12/29/2022] Open
Abstract
The ability to regulate the recruitment of immune cells makes chemokines and their receptors attractive drug targets in many inflammatory diseases. Based on its preferential expression on T helper type 2 (Th2) cells, C-C chemokine receptor type 4 (CCR4) has been widely studied in the context of allergic diseases, but recent evidence on the expression of CCR4 in other cell types has considerably expanded the potential applications of CCR4 antagonism. However, the current number of approved indications, as well as the portfolio of CCR4-targeting drugs, are still limited. In the present study, we have assessed the potential therapeutic efficacy of a CCR4 small molecule antagonist, SP50, discovered via an in silico-based approach, against a variety of pre-clinical settings of infection with the fungus Aspergillus fumigatus. We show that SP50 efficiently worked as prophylactic vaccine adjuvant in immunocompetent mice, protected against invasive aspergillosis in immunosuppressed mice. Further, the CCR4 antagonist prevented allergic bronchopulmonary aspergillosis in susceptible mice, and in a murine model of cystic fibrosis, a genetic disorder characterized by chronic pulmonary inflammation and recurrent infections. In conclusion, our results extend the potential applications of CCR4 antagonism and prompt for the development of novel compounds with the potential to progress to clinical trials.
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Pere H, Tanchot C, Bayry J, Terme M, Taieb J, Badoual C, Adotevi O, Merillon N, Marcheteau E, Quillien VR, Banissi C, Carpentier A, Sandoval F, Nizard M, Quintin-Colonna F, Kroemer G, Fridman WH, Zitvogel L, Oudard SP, Tartour E. Comprehensive analysis of current approaches to inhibit regulatory T cells in cancer. Oncoimmunology 2021; 1:326-333. [PMID: 22737608 PMCID: PMC3382865 DOI: 10.4161/onci.18852] [Citation(s) in RCA: 85] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
CD4+CD25+Foxp3+ regulatory T cells (Treg) have emerged as a dominant T cell population inhibiting anti-tumor effector T cells. Initial strategies used for Treg-depletion (cyclophosphamide, anti-CD25 mAb…) also targeted activated T cells, as they share many phenotypic markers. Current, ameliorated approaches to inhibit Treg aim to either block their function or their migration to lymph nodes and the tumor microenvironment. Various drugs originally developed for other therapeutic indications (anti-angiogenic molecules, tyrosine kinase inhibitors,etc) have recently been discovered to inhibit Treg. These approaches are expected to be rapidly translated to clinical applications for therapeutic use in combination with immunomodulators.
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Affiliation(s)
- Helene Pere
- INSERM U970 PARCC (Paris Cardiovascular Research Center); Université Paris Descartes; Sorbonne Paris Cité; Paris, France ; Hôpital Européen Georges Pompidou; Service de Microbiologie; Paris, France
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Vacchelli E, Galluzzi L, Fridman WH, Galon J, Sautès-Fridman C, Tartour E, Kroemer G. Trial watch: Chemotherapy with immunogenic cell death inducers. Oncoimmunology 2021; 1:179-188. [PMID: 22720239 PMCID: PMC3376992 DOI: 10.4161/onci.1.2.19026] [Citation(s) in RCA: 96] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The long-established notion that apoptosis would be immunologically silent, and hence it would go unnoticed by the immune system, if not tolerogenic, and hence it would actively suppress immune responses, has recently been revisited. In some instances, indeed, cancer cells undergo apoptosis while emitting a spatiotemporally-defined combination of signals that renders them capable of eliciting a long-term protective antitumor immune response. Importantly, only a few anticancer agents can stimulate such an immunogenic cell death. These include cyclophosphamide, doxorubicin and oxaliplatin, which are currently approved by FDA for the treatment of multiple hematologic and solid malignancies, as well as mitoxantrone, which is being used in cancer therapy and against multiple sclerosis. In this Trial Watch, we will review and discuss the progress of recent (initiated after January 2008) clinical trials evaluating the off-label use of cyclophosphamide, doxorubicin, oxaliplatin and mitoxantrone.
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Affiliation(s)
- Erika Vacchelli
- U848; Villejuif, France; INSERM; Université Paris-Sud/Paris XI; Paris, France
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18
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Vacchelli E, Martins I, Eggermont A, Fridman WH, Galon J, Sautès-Fridman C, Tartour E, Zitvogel L, Kroemer G, Galluzzi L. Trial watch: Peptide vaccines in cancer therapy. Oncoimmunology 2021; 1:1557-1576. [PMID: 23264902 PMCID: PMC3525611 DOI: 10.4161/onci.22428] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Prophylactic vaccination constitutes one of the most prominent medical achievements of history. This concept was first demonstrated by the pioneer work of Edward Jenner, dating back to the late 1790s, after which an array of preparations that confer life-long protective immunity against several infectious agents has been developed. The ensuing implementation of nation-wide vaccination programs has de facto abated the incidence of dreadful diseases including rabies, typhoid, cholera and many others. Among all, the most impressive result of vaccination campaigns is surely represented by the eradication of natural smallpox infection, which was definitively certified by the WHO in 1980. The idea of employing vaccines as anticancer interventions was first theorized in the 1890s by Paul Ehrlich and William Coley. However, it soon became clear that while vaccination could be efficiently employed as a preventive measure against infectious agents, anticancer vaccines would have to (1) operate as therapeutic, rather than preventive, interventions (at least in the vast majority of settings), and (2) circumvent the fact that tumor cells often fail to elicit immune responses. During the past 30 y, along with the recognition that the immune system is not irresponsive to tumors (as it was initially thought) and that malignant cells express tumor-associated antigens whereby they can be discriminated from normal cells, considerable efforts have been dedicated to the development of anticancer vaccines. Some of these approaches, encompassing cell-based, DNA-based and purified component-based preparations, have already been shown to exert conspicuous anticancer effects in cohorts of patients affected by both hematological and solid malignancies. In this Trial Watch, we will summarize the results of recent clinical trials that have evaluated/are evaluating purified peptides or full-length proteins as therapeutic interventions against cancer.
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Affiliation(s)
- Erika Vacchelli
- Institut Gustave Roussy; Villejuif, France ; Université Paris-Sud/Paris XI; Le Kremlin-Bicêtre, France ; INSERM, U848; Villejuif, France
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Ménétrier-Caux C, Faget J, Biota C, Gobert M, Blay JY, Caux C. Innate immune recognition of breast tumor cells mediates CCL22 secretion favoring Treg recruitment within tumor environment. Oncoimmunology 2021; 1:759-761. [PMID: 22934274 PMCID: PMC3429586 DOI: 10.4161/onci.19680] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Regulatory T cells (Treg) have been reported of poor prognosis for overall survival in primary breast tumors (BT). As CCL22 plays a major role in Treg recruitment within primary BT we deciphered the mechanisms involved in the CCL22 production by breast epithelial tumor cells and propose herein the major role of their innate immune recognition in this production.
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Affiliation(s)
- Christine Ménétrier-Caux
- Université de Lyon; Lyon, France ; Université Lyon 1; ISPB; Lyon, France ; Team 11; CRCL INSERM U-1052/CNRS 5286; Lyon, France ; LabEx DEVweCAN; Centre Léon Bérard; Lyon, France ; Centre Léon Bérard; Lyon, France
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20
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Xue W, Zhang M. Updating targets for natural killer/T-cell lymphoma immunotherapy. Cancer Biol Med 2021; 18:52-62. [PMID: 33628584 PMCID: PMC7877170 DOI: 10.20892/j.issn.2095-3941.2020.0400] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 11/24/2020] [Indexed: 12/29/2022] Open
Abstract
Natural killer/T-cell lymphoma (NKTCL) is a highly invasive subtype of non-Hodgkin lymphoma, typically positive for cytoplasmic CD3, CD56, cytotoxic markers, including granzyme B and TIA1, and Epstein-Barr virus (EBV). The current treatment methods for NKTCL are associated with several drawbacks. For example, chemotherapy can lead to drug resistance, while treatment with radiotherapy alone is inadequate and results in frequent relapses. Moreover, hematopoietic stem cell transplantation exhibits limited efficacy and is not well recognized by domestic and foreign experts. In recent years, immunotherapy has shown good clinical results and has become a hot spot in cancer research. Clinical activity of targeted antibodies, such as daratumumab (anti-CD38 antibody) and brentuximab vedotin (anti-CD30 antibody), have been reported in NKTCL. Additionally, dacetuzumab and Campath-1H have demonstrated promising results. Further encouraging data have been obtained using checkpoint inhibitors. The success of these immunotherapy agents is attributed to high expression levels of programmed death-ligand 1 in NKTCL. Furthermore, anti-CCR4 monoclonal antibodies (mAbs) exert cytotoxic actions on both CCR4+ tumor cells and regulatory T cells. Depletion of these cells and the long half-life of anti-CCR4 mAbs result in enhanced induction of antitumor effector T cells. The role of IL10 in NKTCL has also been investigated. It has been proposed that exploitation of this cytokine might provide potential novel therapeutic strategies. Cellular immunotherapy with engineered cytotoxic T lymphocytes targeted against LMP1 and LMP2 has shown promising results and sustained remission. Cellular immunotherapy may be used either as maintenance therapy following initial induction chemotherapy or in cases of relapsed/refractory disease. The present review outlines the known immunotherapy targets for the treatment of NKTCL.
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Affiliation(s)
- Weili Xue
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Lymphoma Diagnosis and Treatment Center of Henan, Zhengzhou 450052, China
| | - Mingzhi Zhang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Lymphoma Diagnosis and Treatment Center of Henan, Zhengzhou 450052, China
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21
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Hyper-Progressive Disease: The Potential Role and Consequences of T-Regulatory Cells Foiling Anti-PD-1 Cancer Immunotherapy. Cancers (Basel) 2020. [PMID: 33375291 DOI: 10.3390/cancers13010048.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Antibody-mediated disruption of the programmed cell death protein 1 (PD-1) pathway has brought much success to the fight against cancer. Nevertheless, a significant proportion of patients respond poorly to anti-PD-1 treatment. Cases of accelerated and more aggressive forms of cancer following therapy have also been reported. Termed hyper-progressive disease (HPD), this phenomenon often results in fatality, thus requires urgent attention. Among possible causes of HPD, regulatory T-cells (Tregs) are of suspect due to their high expression of PD-1, which modulates Treg activity. Tregs are a subset of CD4+ T-cells that play a non-redundant role in the prevention of autoimmunity and is functionally dependent on the X chromosome-linked transcription factor FoxP3. In cancer, CD4+FoxP3+ Tregs migrate to tumors to suppress anti-tumor immune responses, allowing cancer cells to persist. Hence, Treg accumulation in tumors is associated with poor prognosis. In mice, the anti-tumor efficacy of anti-PD-1 can be enhanced by depleting Tregs. This suggests Tregs pose resistance to anti-PD-1 therapy. In this article, we review the relevant Treg functions that suppress tumor immunity and the potential effects anti-PD-1 could have on Tregs which are counter-productive to the treatment of cancer, occasionally causing HPD.
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22
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Tay C, Qian Y, Sakaguchi S. Hyper-Progressive Disease: The Potential Role and Consequences of T-Regulatory Cells Foiling Anti-PD-1 Cancer Immunotherapy. Cancers (Basel) 2020; 13:cancers13010048. [PMID: 33375291 PMCID: PMC7796137 DOI: 10.3390/cancers13010048] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/18/2020] [Accepted: 12/23/2020] [Indexed: 12/13/2022] Open
Abstract
Antibody-mediated disruption of the programmed cell death protein 1 (PD-1) pathway has brought much success to the fight against cancer. Nevertheless, a significant proportion of patients respond poorly to anti-PD-1 treatment. Cases of accelerated and more aggressive forms of cancer following therapy have also been reported. Termed hyper-progressive disease (HPD), this phenomenon often results in fatality, thus requires urgent attention. Among possible causes of HPD, regulatory T-cells (Tregs) are of suspect due to their high expression of PD-1, which modulates Treg activity. Tregs are a subset of CD4+ T-cells that play a non-redundant role in the prevention of autoimmunity and is functionally dependent on the X chromosome-linked transcription factor FoxP3. In cancer, CD4+FoxP3+ Tregs migrate to tumors to suppress anti-tumor immune responses, allowing cancer cells to persist. Hence, Treg accumulation in tumors is associated with poor prognosis. In mice, the anti-tumor efficacy of anti-PD-1 can be enhanced by depleting Tregs. This suggests Tregs pose resistance to anti-PD-1 therapy. In this article, we review the relevant Treg functions that suppress tumor immunity and the potential effects anti-PD-1 could have on Tregs which are counter-productive to the treatment of cancer, occasionally causing HPD.
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Affiliation(s)
- Christopher Tay
- Immunology Frontier Research Center, Department of Experimental Immunology, Osaka University, Yamadaoka, Suita, Osaka 565-0871, Japan; (C.T.); (Y.Q.)
| | - Yamin Qian
- Immunology Frontier Research Center, Department of Experimental Immunology, Osaka University, Yamadaoka, Suita, Osaka 565-0871, Japan; (C.T.); (Y.Q.)
| | - Shimon Sakaguchi
- Immunology Frontier Research Center, Department of Experimental Immunology, Osaka University, Yamadaoka, Suita, Osaka 565-0871, Japan; (C.T.); (Y.Q.)
- Laboratory of Experimental Immunology, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
- Correspondence:
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23
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Chen Z, Zhou L, Liu L, Hou Y, Xiong M, Yang Y, Hu J, Chen K. Single-cell RNA sequencing highlights the role of inflammatory cancer-associated fibroblasts in bladder urothelial carcinoma. Nat Commun 2020; 11:5077. [PMID: 33033240 PMCID: PMC7545162 DOI: 10.1038/s41467-020-18916-5] [Citation(s) in RCA: 267] [Impact Index Per Article: 66.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 09/18/2020] [Indexed: 12/23/2022] Open
Abstract
Although substantial progress has been made in cancer biology and treatment, clinical outcomes of bladder carcinoma (BC) patients are still not satisfactory. The tumor microenvironment (TME) is a potential target. Here, by single-cell RNA sequencing on 8 BC tumor samples and 3 para tumor samples, we identify 19 different cell types in the BC microenvironment, indicating high intra-tumoral heterogeneity. We find that tumor cells down regulated MHC-II molecules, suggesting that the downregulated immunogenicity of cancer cells may contribute to the formation of an immunosuppressive microenvironment. We also find that monocytes undergo M2 polarization in the tumor region and differentiate. Furthermore, the LAMP3 + DC subgroup may be able to recruit regulatory T cells, potentially taking part in the formation of an immunosuppressive TME. Through correlation analysis using public datasets containing over 3000 BC samples, we identify a role for inflammatory cancer-associated fibroblasts (iCAFs) in tumor progression, which is significantly related to poor prognosis. Additionally, we characterize a regulatory network depending on iCAFs. These results could help elucidate the protumor mechanisms of iCAFs. Our results provide deep insight into cancer immunology and provide an essential resource for drug discovery in the future.
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Affiliation(s)
- Zhaohui Chen
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Lijie Zhou
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen, China
| | - Lilong Liu
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen, China
| | - Yaxin Hou
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen, China
| | - Ming Xiong
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yu Yang
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Junyi Hu
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen, China.
| | - Ke Chen
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen, China.
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24
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A novel methodology of the myeloid-derived suppressor cells (MDSCs) generation with splenic stroma feeder cells. Exp Cell Res 2020; 394:112119. [PMID: 32485182 DOI: 10.1016/j.yexcr.2020.112119] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 05/21/2020] [Accepted: 05/28/2020] [Indexed: 01/17/2023]
Abstract
Myeloid-derived suppressor cells (MDSCs) are a significant obstacle for immunotherapy of cancer. It is of great clinical relevance to study the mechanism of MDSCs accumulation in mouse spleens and establish a stable method to obtain high-purity MDSCs in vitro for further research. Here, we established a new method for amplifying a large number of highly pure MDSCs in vitro. To mimic the microenvironment of MDSCs development in vivo, mouse splenic stroma feeder cells and serum-free medium containing granulocyte-macrophage colony stimulating factor (GM-CSF) were used to induce myeloid precursors in mouse bone marrow cells, which differentiate into MDSCs. Development and immunological functions of the cells were monitored both in vivo and in vitro. A total of 4 × 108 MDSCs could be obtained from the bone marrow from one mouse, the ratio of CD11b+Gr-1+ MDSCs could reach 93.8% ± 3.3% after nine days of culture in vitro. Cultured MDSCs maintained a similar immunophenotype with MDSCs found in tumor-bearing mice. Colony forming assay in vitro and in vivo demonstrated that these were myeloid precursor cells. These cells generated high levels of reactive oxygen species and arginase 1 to prevent proliferation of CD8+ T cells in vitro. These also increased regulatory T (Treg) cells in blood while promoting the growth of lymphoma in vivo. In addition, cultured MDSCs effectively inhibited acute graft-versus-host disease (aGVHD). Our findings suggest that mouse splenic stroma plays an important role in the generation of MDSCs and represent a preliminary mechanism for the accumulation of MDSCs in spleens, and thereby lay the foundation for basic research and the clinical application of MDSCs.
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25
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Xie M, Wei J, Xu J. Inducers, Attractors and Modulators of CD4 + Treg Cells in Non-Small-Cell Lung Cancer. Front Immunol 2020; 11:676. [PMID: 32425930 PMCID: PMC7212357 DOI: 10.3389/fimmu.2020.00676] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 03/26/2020] [Indexed: 12/24/2022] Open
Abstract
Lung cancer is the leading cause of cancer-associated deaths worldwide, with non-small cell-lung cancer (NSCLC) accounting for approximately 80% of cases. Immune escape has been demonstrated to play a key role in the initiation and progression of NSCLC, although the underlying mechanisms are diverse and their puzzling nature is far from being understood. As a critical participant in immune escape, the CD4+ T cell subset of regulatory T (Treg) cells, with their immunosuppressive functions, has been implicated in the occurrence of many types of cancers. Additionally, therapies based on Treg blockade have benefited a portion of cancer patients, including those with NSCLC. Accumulating literature has noted high Treg infiltration in NSCLC tumor tissues, bone marrow, lymph nodes and/or blood; moreover, the tumor milieu is involved in regulating the proliferation, differentiation, recruitment and suppressive functions of Treg cells. Multifarious mechanisms by which CD4+ Treg cells are generated, attracted and modulated in the NSCLC milieu will be discussed in this review.
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Affiliation(s)
- Mengxiao Xie
- Department of Laboratory Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,National Key Clinical Department of Laboratory Medicine, Nanjing, China
| | - Jia Wei
- Department of Laboratory Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,National Key Clinical Department of Laboratory Medicine, Nanjing, China
| | - Jian Xu
- Department of Laboratory Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,National Key Clinical Department of Laboratory Medicine, Nanjing, China
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26
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Abstract
The immune system has evolved complex effector mechanisms to protect the host against a diversity of pathogenic organisms and regulatory adaptations that can curtail pathological sequelae of inflammatory events, prevent autoimmunity, and assist in tissue repair. Cancers, by virtue of their local manifestations of tissue dysfunction and destruction, inflammation, and genomic instability, can evoke these protective mechanisms, which support the progression of tumors and prevent their immune eradication. Central to these processes is a subset of CD4+ T cells, known as regulatory T (Treg) cells, that express the X chromosome–linked transcription factor FOXP3. In addition to their critical role in controlling autoimmunity and suppressing inflammatory responses in diverse biological settings, Treg cells are ubiquitously present in the tumor microenvironment where they promote tumor development and progression by dampening antitumor immune responses. Furthermore, Treg cells can directly support the survival of transformed cells through the elaboration of growth factors and interacting with accessory cells in tumors such as fibroblasts and endothelial cells. Current insights into the biology of tumor-associated Treg cells have opened up opportunities for their selective targeting in cancer, with the goal of alleviating their suppression of antitumor immune responses while maintaining overall immune homeostasis.
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Affiliation(s)
- George Plitas
- Immunology Program and Ludwig Center for Cancer Immunotherapy, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA;,
- Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Alexander Y. Rudensky
- Immunology Program and Ludwig Center for Cancer Immunotherapy, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA;,
- Howard Hughes Medical Institute, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
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27
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Dormant tumor cells interact with memory CD8 + T cells in RET transgenic mouse melanoma model. Cancer Lett 2020; 474:74-81. [PMID: 31962142 DOI: 10.1016/j.canlet.2020.01.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 12/21/2019] [Accepted: 01/15/2020] [Indexed: 12/18/2022]
Abstract
Melanoma is an aggressive form of skin-cancer. Melanoma cells are characterized by their plasticity, resulting in therapy resistance. Using RET transgenic mouse melanoma model, we characterized dormant tumor cells accumulated in the bone marrow (BM) and investigated their interaction with effector memory CD8+ T cells. We found that cells expressing melanoma-associated antigen tyrosinase related protein (TRP)-2 and stemness marker CD133 represented less than 1.5% of all melanoma cells in primary skin lesions and metastatic lymph nodes. The majority of these cells were negative for the proliferation marker Ki67. In the BM, CD133+TRP-2+ melanoma cells displayed an aberrant expression of p16, p27, Ki67 and PCNA proteins, suggesting their dormant phenotype. Moreover, these cells were characterized by an elevated expression of various molecules characterized stemness, metastatic, angiogenic and immunosuppressive properties such as CD271, CD34, HIF-1α, CXCR3, CXCR4, VEGR2, PD-L1, CTLA-4, CD39 and CCR4 as compared to their CD133- counterparts. Disseminated BM dormant TRP-2+ tumor cells were found to be co-localized with memory CD8+ T cells. Our data suggest that these dormant melanoma cells in the BM could play an important role in the maintenance of memory T cells in the BM.
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28
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Abstract
T cell-mediated elimination of malignant cells is one cornerstone of endogenous and therapeutically induced antitumor immunity. Tumors exploit numerous regulatory mechanisms to suppress T cell immunity. Regulatory T cells (T regs) play a crucial role in this process due to their ability to inhibit antitumoral immune responses and they are known to accumulate in various cancer entities. The chemokine CCL22, predominately produced by dendritic cells (DCs), regulates T reg migration via binding to its receptor CCR4. CCL22 controls T cell immunity, both by recruiting T regs to the tumor tissue and by promoting the formation of DC-T reg contacts in the lymph node. Here, we review the current knowledge on the role of CCL22 in cancer immunity. After revising the principal mechanisms of CCL22-induced immune suppression, we address the factors leading to CCL22 expression and ways of targeting this chemokine therapeutically. Therapeutic interventions to the CCL22-CCR4 axis may represent a promising strategy in cancer immunotherapy.
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29
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Galliverti G, Wullschleger S, Tichet M, Murugan D, Zangger N, Horton W, Korman AJ, Coussens LM, Swartz MA, Hanahan D. Myeloid Cells Orchestrate Systemic Immunosuppression, Impairing the Efficacy of Immunotherapy against HPV + Cancers. Cancer Immunol Res 2020; 8:131-145. [PMID: 31771984 PMCID: PMC7485376 DOI: 10.1158/2326-6066.cir-19-0315] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 09/06/2019] [Accepted: 11/14/2019] [Indexed: 12/19/2022]
Abstract
Cancers induced by human papillomaviruses (HPV) should be responsive to immunotherapy by virtue of expressing the immunogenic oncoproteins E6/E7. However, advanced forms of cervical cancer, driven by HPV, are poorly responsive to immune response-enhancing treatments involving therapeutic vaccination against these viral neoantigens. Leveraging a transgenic mouse model of HPV-derived cancers, K14HPV16/H2b, we demonstrated that a potent nanoparticle-based E7 vaccine, but not a conventional "liquid" vaccine, induced E7 tumor antigen-specific CD8+ T cells in cervical tumor-bearing mice. Vaccination alone or in combination with anti-PD-1/anti-CTLA4 did not elicit tumor regression nor increase CD8+ T cells in the tumor microenvironment (TME), suggesting the presence of immune-suppressive barriers. Patients with cervical cancer have poor dendritic cell functions, have weak cytotoxic lymphocyte responses, and demonstrate an accumulation of myeloid cells in the periphery. Here, we illustrated that myeloid cells in K14HPV16/H2b mice possess potent immunosuppressive activity toward antigen-presenting cells and CD8+ T cells, dampening antitumor immunity. These immune-inhibitory effects inhibited synergistic effects of combining our oncoprotein vaccine with immune checkpoint-blocking antibodies. Our data highlighted a link between HPV-induced cancers, systemic amplification of myeloid cells, and the detrimental effects of myeloid cells on CD8+ T-cell activation and recruitment into the TME. These results established immunosuppressive myeloid cells in lymphoid organs as an HPV+ cancer-induced means of circumventing tumor immunity that will require targeted abrogation to enable the induction of efficacious antitumor immune responses.
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Affiliation(s)
- Gabriele Galliverti
- Swiss Institute for Experimental Cancer Research, School of Life Sciences, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland
- Institute of Bioengineering, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland
| | - Stephan Wullschleger
- Swiss Institute for Experimental Cancer Research, School of Life Sciences, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland
- Swiss Cancer Center Leman (SCCL), Lausanne, Switzerland
| | - Mélanie Tichet
- Swiss Institute for Experimental Cancer Research, School of Life Sciences, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland
| | - Dhaarini Murugan
- Department of Cell, Developmental & Cancer Biology, Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon
| | - Nadine Zangger
- Swiss Institute for Experimental Cancer Research, School of Life Sciences, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland
- Bioinformatics Core Facility, SIB Swiss Institute of Bioinformatics, Lausanne, Switzerland
- Translational Bioinformatics and Statistics, Swiss Cancer Center Lausanne, Lausanne, Switzerland
- Department of Oncology, University of Lausanne, Lausanne, Switzerland
| | - Wesley Horton
- Computational Biology Program, Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon
| | - Alan J Korman
- Bristol-Myers Squibb Company, Immuno-oncology Research, Redwood City, California
| | - Lisa M Coussens
- Department of Cell, Developmental & Cancer Biology, Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon
| | - Melody A Swartz
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois
- The Ben May Department for Cancer Research, University of Chicago, Chicago, Illinois
| | - Douglas Hanahan
- Swiss Institute for Experimental Cancer Research, School of Life Sciences, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland.
- Swiss Cancer Center Leman (SCCL), Lausanne, Switzerland
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30
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He P, Zhou W, Liu M, Chen Y. Recent Advances of Small Molecular Regulators Targeting G Protein- Coupled Receptors Family for Oncology Immunotherapy. Curr Top Med Chem 2019; 19:1464-1483. [PMID: 31264549 DOI: 10.2174/1568026619666190628115644] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 12/18/2018] [Accepted: 01/02/2019] [Indexed: 12/21/2022]
Abstract
The great clinical success of chimeric antigen receptor T cell (CAR-T) and PD-1/PDL-1 inhibitor therapies suggests the drawing of a cancer immunotherapy age. However, a considerable proportion of cancer patients currently receive little benefit from these treatment modalities, indicating that multiple immunosuppressive mechanisms exist in the tumor microenvironment. In this review, we mainly discuss recent advances in small molecular regulators targeting G Protein-Coupled Receptors (GPCRs) that are associated with oncology immunomodulation, including chemokine receptors, purinergic receptors, prostaglandin E receptor EP4 and opioid receptors. Moreover, we outline how they affect tumor immunity and neoplasia by regulating immune cell recruitment and modulating tumor stromal cell biology. We also summarize the data from recent clinical advances in small molecular regulators targeting these GPCRs, in combination with immune checkpoints blockers, such as PD-1/PDL-1 and CTLA4 inhibitors, for cancer treatments.
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Affiliation(s)
- Peng He
- Shanghai Key Laboratory of Regulatory Biology, The Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Wenbo Zhou
- Shanghai Key Laboratory of Regulatory Biology, The Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Mingyao Liu
- Shanghai Key Laboratory of Regulatory Biology, The Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Yihua Chen
- Shanghai Key Laboratory of Regulatory Biology, The Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, 200241, China
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31
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Higuchi T, Matsuo K, Hashida Y, Kitahata K, Ujihara T, Taniguchi A, Yoshie O, Nakayama T, Daibata M. Epstein-Barr virus-positive pyothorax-associated lymphoma expresses CCL17 and CCL22 chemokines that attract CCR4-expressing regulatory T cells. Cancer Lett 2019; 453:184-192. [PMID: 30953706 DOI: 10.1016/j.canlet.2019.03.053] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 03/26/2019] [Accepted: 03/28/2019] [Indexed: 12/27/2022]
Abstract
Epstein-Barr virus (EBV)-positive diffuse large B-cell lymphomas associated with chronic inflammation (DLBCL-CI) develop in patients with chronic inflammation but without any predisposing immunodeficiency. Given the expression of the EBV latent genes, DLBCL-CI should have mechanisms for evasion of host antitumor immunity. EBV-positive pyothorax-associated lymphoma (PAL) is a prototype of DLBCL-CI and may provide a valuable model for the study of immune evasion by DLBCL-CI. This study demonstrates that PAL cell lines express and secrete CCL17 and/or CCL22 chemokines, the ligands of C-C motif chemokine receptor 4 (CCR4), in contrast to EBV-negative DLBCL cell lines. Accordingly, culture supernatants of PAL cell lines efficiently attracted CCR4-positive regulatory T (Treg) cells in human peripheral blood mononuclear cells. PAL cells injected into mice also attracted CCR4-expressing Treg cells. Furthermore, this study confirmed that CCR4-expressing Treg cells were abundantly present in primary PAL tissues. Collectively, these findings provide new insight into the mechanisms of immune evasion by PAL, and further studies are warranted on whether such mechanisms eventually lead to the development of DLBCL-CI.
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Affiliation(s)
- Tomonori Higuchi
- Department of Microbiology and Infection, Kochi Medical School, Kochi University, Nankoku, Kochi, 783-8505, Japan
| | - Kazuhiko Matsuo
- Division of Chemotherapy, Kindai University Faculty of Pharmacy, Higashi-Osaka, Osaka, 577-8502, Japan
| | - Yumiko Hashida
- Department of Microbiology and Infection, Kochi Medical School, Kochi University, Nankoku, Kochi, 783-8505, Japan
| | - Kosuke Kitahata
- Division of Chemotherapy, Kindai University Faculty of Pharmacy, Higashi-Osaka, Osaka, 577-8502, Japan
| | - Takako Ujihara
- Department of Microbiology and Infection, Kochi Medical School, Kochi University, Nankoku, Kochi, 783-8505, Japan; Science Research Center, Kochi University, Nankoku, Kochi, 783-8505, Japan
| | - Ayuko Taniguchi
- Department of Hematology and Respiratory Medicine, Kochi Medical School, Kochi University, Nankoku, Kochi, 783-8505, Japan
| | - Osamu Yoshie
- The Health and Kampo Institute, Sendai, Miyagi, 981-3205, Japan
| | - Takashi Nakayama
- Division of Chemotherapy, Kindai University Faculty of Pharmacy, Higashi-Osaka, Osaka, 577-8502, Japan
| | - Masanori Daibata
- Department of Microbiology and Infection, Kochi Medical School, Kochi University, Nankoku, Kochi, 783-8505, Japan.
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32
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Rapp M, Wintergerst MWM, Kunz WG, Vetter VK, Knott MML, Lisowski D, Haubner S, Moder S, Thaler R, Eiber S, Meyer B, Röhrle N, Piseddu I, Grassmann S, Layritz P, Kühnemuth B, Stutte S, Bourquin C, von Andrian UH, Endres S, Anz D. CCL22 controls immunity by promoting regulatory T cell communication with dendritic cells in lymph nodes. J Exp Med 2019; 216:1170-1181. [PMID: 30910796 PMCID: PMC6504218 DOI: 10.1084/jem.20170277] [Citation(s) in RCA: 126] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2017] [Revised: 11/08/2018] [Accepted: 03/01/2019] [Indexed: 12/27/2022] Open
Abstract
Rapp et al. demonstrate that dendritic cells in the lymph node secrete CCL22 to build cell–cell contacts with CCR4-expressing regulatory T cells, leading to immune suppression. Conversely, CCL22 deficiency results in enhanced T cell immunity, shown here in the setting of vaccination, cancer, and inflammatory disease. Chemokines have crucial roles in organ development and orchestration of leukocyte migration. The chemokine CCL22 is expressed constitutively at high levels in the lymph node, but the functional significance of this expression is so far unknown. Studying a newly established CCL22-deficient mouse, we demonstrate that CCL22 expression by dendritic cells (DCs) promotes the formation of cell–cell contacts and interaction with regulatory T cells (T reg) through their CCR4 receptor. Vaccination of CCL22-deficient mice led to excessive T cell responses that were also observed when wild-type mice were vaccinated using CCL22-deficient DCs. Tumor-bearing mice with CCL22 deficiency showed prolonged survival upon vaccination, and further, CCL22-deficient mice had increased susceptibility to inflammatory disease. In conclusion, we identify the CCL22–CCR4 axis as an immune checkpoint that is crucial for the control of T cell immunity.
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Affiliation(s)
- Moritz Rapp
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Maximilian W M Wintergerst
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Wolfgang G Kunz
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Viola K Vetter
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Max M L Knott
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Dominik Lisowski
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Sascha Haubner
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Stefan Moder
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Raffael Thaler
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Stephan Eiber
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Bastian Meyer
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Natascha Röhrle
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Ignazio Piseddu
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Simon Grassmann
- Institute for Medical Microbiology, Immunology and Hygiene, Technical University of Munich, Munich, Germany
| | - Patrick Layritz
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Benjamin Kühnemuth
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Susanne Stutte
- Department of Immunology, Harvard Medical School, Boston, MA
| | - Carole Bourquin
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, Geneva, Switzerland.,Department of Anaesthetics, Pharmacology, Intensive Care and Emergencies, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Ulrich H von Andrian
- Department of Immunology, Harvard Medical School, Boston, MA .,The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Boston, MA
| | - Stefan Endres
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany .,German Cancer Consortium (DKTK), partner site Munich, Munich, Germany
| | - David Anz
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany.,Department of Medicine II, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
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33
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Li X, Li D, Shi Q, Huang X, Ju X. Umbilical cord blood‑derived Helios‑positive regulatory T cells promote angiogenesis in acute lymphoblastic leukemia in mice via CCL22 and the VEGFA‑VEGFR2 pathway. Mol Med Rep 2019; 19:4195-4204. [PMID: 30896872 PMCID: PMC6471064 DOI: 10.3892/mmr.2019.10074] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 02/28/2019] [Indexed: 02/02/2023] Open
Abstract
Regulatory T cells (Tregs) maintain immune homeostasis and modulate tumor-induced neovascularization. However, the mechanisms underlying the role of Tregs in acute lymphoblastic leukemia (ALL) remain to be elucidated. Helios, combined with forkhead box P3, is considered a suitable marker for discriminating functional Tregs. In the present study, a microenvironment was created with a high proportion of Helios+ Tregs in T cell-deficient nude mice to determine the mechanism underlying Tregs expressing Helios in ALL. It was revealed that umbilical cord blood-derived Helios+ Tregs had proliferation and immunosuppression abilities similar to those of normal pediatric Tregs. The accumulation of Helios+ Tregs accelerated leukemogenesis and the infiltration of leukemic cells into the bone marrow. Importantly, a high expression of Helios in Tregs promoted angiogenesis in the bone marrow via the vascular endothelial growth factor (VEGF)A/VEGF receptor 2 (VEGFR2) pathway. Furthermore, the expression of chemokine CC-chemokine ligand 22 (CCL22) in the bone marrow and serum of ALL mice infused with Helioshigh Treg cells was increased. The results demonstrated that Helios promotes the secretion of chemokine CCL22, which may recruit more Tregs into the bone marrow. Increased Helios+ Treg cells promoted angiogenesis in the bone marrow of ALL mice via the VEGFA/VEGFR2 pathway. Therefore, Helios may be a target to manipulate Treg activity in clinical settings.
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Affiliation(s)
- Xue Li
- Department of Pediatrics, Qilu Hospital, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Dong Li
- Department of Pediatrics, Qilu Hospital, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Qing Shi
- Department of Pediatrics, Qilu Hospital, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Xiaoyang Huang
- Department of Pediatrics, Qilu Hospital, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Xiuli Ju
- Department of Pediatrics, Qilu Hospital, Shandong University, Jinan, Shandong 250012, P.R. China
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Impact of a Heat Shock Protein Impurity on the Immunogenicity of Biotherapeutic Monoclonal Antibodies. Pharm Res 2019; 36:51. [PMID: 30771015 PMCID: PMC6394513 DOI: 10.1007/s11095-019-2586-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 02/05/2019] [Indexed: 11/04/2022]
Abstract
Purpose Anti-drug antibodies can impair the efficacy of therapeutic proteins and, in some circumstances, induce adverse health effects. Immunogenicity can be promoted by aggregation; here we examined the ability of recombinant mouse heat shock protein 70 (rmHSP70) - a common host cell impurity - to modulate the immune responses to aggregates of two therapeutic mAbs in mice. Methods Heat and shaking stress methods were used to generate aggregates in the sub-micron size range from two human mAbs, and immunogenicity assessed by intraperitoneal exposure in BALB/c mice. Results rmHSP70 was shown to bind preferentially to aggregates of both mAbs, but not to the native, monomeric proteins. Aggregates supplemented with 0.1% rmHSP70 induced significantly enhanced IgG2a antibody responses compared with aggregates alone but the effect was not observed for monomeric mAbs. Dendritic cells pulsed with mAb aggregate showed enhanced IFNγ production on co-culture with T cells in the presence of rmHSP70. Conclusion The results indicate a Th1-skewing of the immune response by aggregates and show that murine rmHSP70 selectively modulates the immune response to mAb aggregates, but not monomer. These data suggest that heat shock protein impurities can selectively accumulate by binding to mAb aggregates and thus influence immunogenic responses to therapeutic proteins. Electronic supplementary material The online version of this article (10.1007/s11095-019-2586-7) contains supplementary material, which is available to authorized users.
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Najafi S, Mirshafiey A. The role of T helper 17 and regulatory T cells in tumor microenvironment. Immunopharmacol Immunotoxicol 2019; 41:16-24. [PMID: 30714422 DOI: 10.1080/08923973.2019.1566925] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
T helper 17 (Th17) cells were first described as a novel T helper cell lineage independent from Th1 and Th2 subsets. Th17 cells play vital roles in inflammation and tumor immunity. It causes the dissipation of antitumor immunity and contribution to the survival of tumor cells, worsening tumor growth and metastasis. Tumor-infiltrating Th17 cells were seen innumerous cancers in mice and humans. There has been an association between intratumoral Th17 cell infiltration and both good and bad prognoses. Besides the protumoral roles defined for IL-17 andTh17 cells, several reports have shown that Th17 cells also drive antitumoral immunity. Various mechanisms by which Th17 cells control tumor growth are as following: recruitment of several immune cells including DCs, CD4+ T cells, and CD8+ T cells within tumors, activation of CD8+ T cells, and probably plasticity toward Th1 phenotype, related to IFN-γ and TNF-α production. Regulatory T cells (Tregs) have been exhibited to infiltrate human tumors and are believed to restrict antitumor immunity. The effect of Treg cells has been more controversial. Whereas some studies have proposed that a high density of Treg cells within the tumor associated with a poor clinical prognosis, other studies have presented a positive clinical prognosis, underlining the importance of elucidating the clinical significance of Treg cells further. Treg and Th17 cells play both positive and negative roles in regulating antitumor immune responses. In spite of the presence of these cells, yet some tumors develop and grow. These T cells by themselves are not adequate to efficiently mount antitumor immune responses.
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Affiliation(s)
- Soheil Najafi
- a Department of Immunology , School of Public Health, International Campus, Tehran University of Medical Sciences , Tehran , Iran
| | - Abbas Mirshafiey
- b Department of Immunology , School of Public Health, Tehran University of Medical Sciences , Tehran , Iran
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Yashiro T, Nakano S, Nomura K, Uchida Y, Kasakura K, Nishiyama C. A transcription factor PU.1 is critical for Ccl22 gene expression in dendritic cells and macrophages. Sci Rep 2019; 9:1161. [PMID: 30718772 PMCID: PMC6361964 DOI: 10.1038/s41598-018-37894-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 12/07/2018] [Indexed: 11/16/2022] Open
Abstract
The chemokine CCL22 is predominantly produced by dendritic cells (DCs) and macrophages. CCL22 acts on CCR4-expressing cells including Th2 and Treg. Although a correlation between the CCL22-CCR4 axis and allergic diseases has been established, the mechanism of monocyte lineage-specific Ccl22 gene expression is largely unknown. In the current study, we investigated transcriptional regulation of the Ccl22 gene in DCs and macrophages. Using reporter assays, we identified the critical cis-enhancing elements at 21/−18 and −10/−4 in the Ccl22 promoter. Electrophoretic mobility shift assays proved that transcription factor PU.1 directly binds to the cis-elements. Knockdown of PU.1 markedly decreased Ccl22 expression in bone marrow-derived DCs (BMDCs) and BM macrophages (BMDMs). Chromatin immunoprecipitation assays revealed that PU.1 bound to the Ccl22 promoter in not only BMDCs and BMDMs, but also splenic DCs and peritoneal macrophages. LPS stimulation increased the amount of PU.1 recruited to the promoter, accompanied by upregulation of the Ccl22 mRNA level, which was diminished by Spi1 knockdown. We identified similar cis-elements on the human CCL22 promoter, which were bound with PU.1 in human monocytes. Taken together, these findings indicate that PU.1 transactivates the Ccl22 gene in DCs and macrophages by directly binding to the two elements in the promoter.
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Affiliation(s)
- Takuya Yashiro
- Department of Biological Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo, 125-8585, Japan
| | - Shiori Nakano
- Department of Biological Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo, 125-8585, Japan
| | - Kurumi Nomura
- Department of Biological Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo, 125-8585, Japan
| | - Yuna Uchida
- Department of Biological Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo, 125-8585, Japan
| | - Kazumi Kasakura
- Department of Biological Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo, 125-8585, Japan
| | - Chiharu Nishiyama
- Department of Biological Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo, 125-8585, Japan.
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Fingolimod can act as a facilitator to establish the primary T-cell response with reduced need of adjuvants. Vaccine 2018; 36:7632-7640. [PMID: 30392766 DOI: 10.1016/j.vaccine.2018.10.090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 10/20/2018] [Accepted: 10/27/2018] [Indexed: 11/24/2022]
Abstract
The CD8+ T-cell response is an essential part of the adaptive immunity. Adjuvants are routinely required for priming of T cells against antigens encountered in lymph nodes (LNs) to generate antigen-specific immunity but may concomitantly trigger unexpected inflammatory responses. Sphingosine-1-phosphate (S1P) induces transient desensitization of S1P receptors on LN T cells and temporarily blocks their egress, leading to prolonged intranodal retention that allows effective immunosurveillance and increases the chance of priming. In light of the regulatory role of S1P in T-cell migration, we here develop a strategic approach to the T-cell priming with protein vaccine containing low-dose TLR-based adjuvants (LDAV) to induce antigen-specific CD8+ T cell responses as efficiently as using regular dose adjuvants in vaccine (RDAV). We found that when combined with one low dose of the S1P analog fingolimod administered into the same vaccination site posteriorly at a specific time, LDAV can elicit a primary response that reaches the level of that induced by RDAV with respect to the response magnitude and functionality. Time-course studies indicate that LDAV and fingolimod in combination act to mimic the expansion kinetics of RDAV-primed antigen-specific CD8+ T cells. Further, intranodal accumulation of cDC1 is markedly enhanced in mice receiving the combination vaccination despite the decrease in adjuvant use. Of particular note is the marginal cutaneous inflammation at the injection site, indicating an added benefit of using fingolimod. Therefore, fingolimod as a nonadjuvant agent essentially facilitates antigen-specific T-cell priming with reduced need of adjuvants and minimized adverse reactions.
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Beziaud L, Boullerot L, Tran T, Mansi L, Marie-Joseph EL, Ravel P, Johannes L, Bayry J, Tartour E, Adotévi O. Rapalog combined with CCR4 antagonist improves anticancer vaccines efficacy. Int J Cancer 2018; 143:3008-3018. [PMID: 30183073 DOI: 10.1002/ijc.31842] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Revised: 07/28/2018] [Accepted: 08/09/2018] [Indexed: 12/28/2022]
Abstract
mTOR pathway inhibitors such as rapalogs represent a promising tool to induce functional memory CD8 T cells. In our study, we investigated the combination of temsirolimus with anticancer vaccines. Using various designs of cancer vaccines (short and long peptides or the B subunit of Shiga toxin as an antigen delivery vector) and tumor models (melanoma, lung and colon cancer), we showed that the administration of temsirolimus efficiently decreased tumor growth and enhanced tumor-specific CD8 T-cell responses induced by vaccination. Furthermore, tumor-specific CD8 T cells induced by the bi-therapy (vaccine + temsirolimus) exhibit phenotypic characteristics of central memory (CD127+ CD62L+ ) CD8 T cells compared to vaccination alone. We demonstrated that regulatory CD4 T cells (Tregs ) expansion in vivo limits the efficacy of the bi-therapy by altering the antitumor CD8 T-cell responses. Finally, the use of a small molecule CCR4 antagonist to prevent Tregs induction considerably improved the efficacy of the bi-therapy by enhancing CD8 T cells-mediated antitumor immunity. Taken together, our study highlights the potential interest of combining cancer vaccines with drugs that promote memory CD8 T cells and inhibit Tregs .
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Affiliation(s)
- Laurent Beziaud
- Université Bourgogne Franche-Comté, INSERM, EFS BFC, UMR1098, Interactions Hôte-Greffon-Tumeur/Ingénierie Cellulaire et Génique, Besançon, France
| | - Laura Boullerot
- Université Bourgogne Franche-Comté, INSERM, EFS BFC, UMR1098, Interactions Hôte-Greffon-Tumeur/Ingénierie Cellulaire et Génique, Besançon, France
| | - Thi Tran
- INSERM UMR970, Hôpital Europeen Georges Pompidou, Paris, France
| | - Laura Mansi
- Université Bourgogne Franche-Comté, INSERM, EFS BFC, UMR1098, Interactions Hôte-Greffon-Tumeur/Ingénierie Cellulaire et Génique, Besançon, France.,Department of Medical Oncology, University Hospital of Besançon, Besançon, France
| | - Elodie Lauret Marie-Joseph
- Université Bourgogne Franche-Comté, INSERM, EFS BFC, UMR1098, Interactions Hôte-Greffon-Tumeur/Ingénierie Cellulaire et Génique, Besançon, France
| | - Patrice Ravel
- IRCM - INSERM U1194, Institut de Recherche en Cancérologie de Montpellier, Equipe Bioinformatique et biologie des systèmes du cancer, Montpellier, France
| | - Ludger Johannes
- Institut Curie, PSL Research University, Chemical Biology of Membranes and Therapeutic Delivery Unit, INSERM U1143, Paris, France
| | - Jagadeesh Bayry
- INSERMCentre de Recherche des Cordeliers, Sorbonne Université Paris Descartes, Paris, France
| | - Eric Tartour
- INSERM UMR970, Hôpital Europeen Georges Pompidou, Paris, France.,Department of Biological Immunology, Assistance Publique-Hôpitaux de Paris, Paris, France.,University Paris Descartes, Paris, France
| | - Olivier Adotévi
- Université Bourgogne Franche-Comté, INSERM, EFS BFC, UMR1098, Interactions Hôte-Greffon-Tumeur/Ingénierie Cellulaire et Génique, Besançon, France.,Department of Medical Oncology, University Hospital of Besançon, Besançon, France
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Galliverti G, Tichet M, Domingos-Pereira S, Hauert S, Nardelli-Haefliger D, Swartz MA, Hanahan D, Wullschleger S. Nanoparticle Conjugation of Human Papillomavirus 16 E7-long Peptides Enhances Therapeutic Vaccine Efficacy against Solid Tumors in Mice. Cancer Immunol Res 2018; 6:1301-1313. [PMID: 30131378 DOI: 10.1158/2326-6066.cir-18-0166] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 06/16/2018] [Accepted: 08/16/2018] [Indexed: 11/16/2022]
Abstract
Treatment of patients bearing human papillomavirus (HPV)-related cancers with synthetic long-peptide (SLP) therapeutic vaccines has shown promising results in clinical trials against premalignant lesions, whereas responses against later stage carcinomas have remained elusive. We show that conjugation of a well-documented HPV-E7 SLP to ultra-small polymeric nanoparticles (NP) enhances the antitumor efficacy of therapeutic vaccination in different mouse models of HPV+ cancers. Immunization of TC-1 tumor-bearing mice with a single dose of NP-conjugated E7LP (NP-E7LP) generated a larger pool of E7-specific CD8+ T cells with increased effector functions than unconjugated free E7LP. At the tumor site, NP-E7LP prompted a robust infiltration of CD8+ T cells that was not accompanied by concomitant accumulation of regulatory T cells (Tregs), resulting in a higher CD8+ T-cell to Treg ratio. Consequently, the amplified immune response elicited by the NP-E7LP formulation led to increased regression of large, well-established tumors, resulting in a significant percentage of complete responses that were not achievable by immunizing with the non-NP-conjugated long-peptide. The partial responses were characterized by distinct phases of regression, stable disease, and relapse to progressive growth, establishing a platform to investigate adaptive resistance mechanisms. The efficacy of NP-E7LP could be further improved by therapeutic activation of the costimulatory receptor 4-1BB. This NP-E7LP formulation illustrates a "solid-phase" antigen delivery strategy that is more effective than a conventional free-peptide ("liquid") vaccine, further highlighting the potential of using such formulations for therapeutic vaccination against solid tumors. Cancer Immunol Res; 6(11); 1301-13. ©2018 AACR.
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Affiliation(s)
- Gabriele Galliverti
- Institute of Bioengineering, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland.,Swiss Institute for Experimental Cancer Research, School of Life Sciences, EPFL, Lausanne, Switzerland
| | - Mélanie Tichet
- Swiss Institute for Experimental Cancer Research, School of Life Sciences, EPFL, Lausanne, Switzerland
| | | | - Sylvie Hauert
- Institute of Bioengineering, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland.,Institute for Molecular Engineering, University of Chicago, Chicago, Illinois
| | | | - Melody A Swartz
- Institute of Bioengineering, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland. .,Institute for Molecular Engineering, University of Chicago, Chicago, Illinois.,The Ben May Department for Cancer Research, University of Chicago, Chicago, Illinois
| | - Douglas Hanahan
- Swiss Institute for Experimental Cancer Research, School of Life Sciences, EPFL, Lausanne, Switzerland.
| | - Stephan Wullschleger
- Swiss Institute for Experimental Cancer Research, School of Life Sciences, EPFL, Lausanne, Switzerland.
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Tran T, Blanc C, Granier C, Saldmann A, Tanchot C, Tartour E. Therapeutic cancer vaccine: building the future from lessons of the past. Semin Immunopathol 2018; 41:69-85. [PMID: 29978248 DOI: 10.1007/s00281-018-0691-z] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 06/11/2018] [Indexed: 12/13/2022]
Abstract
Anti-cancer vaccines have raised many hopes from the start of immunotherapy but have not yet been clinically successful. The few positive results of anti-cancer vaccines have been observed in clinical situations of low tumor burden or preneoplastic lesions. Several new concepts and new results reposition this therapeutic approach in the field of immunotherapy. Indeed, cancers that respond to anti-PD-1/PD-L1 (20-30%) are those that are infiltrated by anti-tumor T cells with an inflammatory infiltrate. However, 70% of cancers do not appear to have an anti-tumor immune reaction in the tumor microenvironment. To induce this anti-tumor immunity, therapeutic combinations between vaccines and anti-PD-1/PD-L1 are being evaluated. In addition, the identification of neoepitopes against which the immune system is less tolerated is giving rise to a new enthusiasm by the first clinical results of the vaccine including these neoepitopes in humans. The ability of anti-cancer vaccines to induce a population of anti-tumor T cells called memory resident T cells that play an important role in immunosurveillance is also a new criterion to consider in the design of therapeutic vaccines.
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Affiliation(s)
- T Tran
- INSERM U970, Paris Cardiovascular Research Center (PARCC), Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - C Blanc
- INSERM U970, Paris Cardiovascular Research Center (PARCC), Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - C Granier
- INSERM U970, Paris Cardiovascular Research Center (PARCC), Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - A Saldmann
- INSERM U970, Paris Cardiovascular Research Center (PARCC), Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - C Tanchot
- INSERM U970, Paris Cardiovascular Research Center (PARCC), Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Eric Tartour
- INSERM U970, Paris Cardiovascular Research Center (PARCC), Paris, France.
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France.
- Hôpital Européen Georges Pompidou, Laboratory of Immunology, Assistance Publique des Hôpitaux de Paris, Paris, France.
- Equipe Labellisée Ligue Nationale contre le Cancer, Paris, France.
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Klein A, Sagi-Assif O, Meshel T, Telerman A, Izraely S, Ben-Menachem S, Bayry J, Marzese DM, Ohe S, Hoon DSB, Erez N, Witz IP. CCR4 is a determinant of melanoma brain metastasis. Oncotarget 2018; 8:31079-31091. [PMID: 28415693 PMCID: PMC5458190 DOI: 10.18632/oncotarget.16076] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 03/02/2017] [Indexed: 01/21/2023] Open
Abstract
We previously identified the chemokine receptor CCR4 as part of the molecular signature of melanoma brain metastasis. The aim of this study was to determine the functional significance of CCR4 in melanoma brain metastasis. We show that CCR4 is more highly expressed by brain metastasizing melanoma cells than by local cutaneous cells from the same melanoma. Moreover, we found that the expression of CCR4 is significantly higher in paired clinical specimens of melanoma metastases than in samples of primary tumors from the same patients. Notably, the expression of the CCR4 ligands, Ccl22 and Ccl17 is upregulated at the earliest stages of brain metastasis, and precedes the infiltration of melanoma cells to the brain. In-vitro, CCL17 induced migration and transendothelial migration of melanoma cells. Functionally, human melanoma cells over-expressing CCR4 were more tumorigenic and produced a higher load of spontaneous brain micrometastasis than control cells. Blocking CCR4 with a small molecule CCR4 antagonist in-vivo, reduced the tumorigenicity and micrometastasis formation of melanoma cells. Taken together, these findings implicate CCR4 as a driver of melanoma brain metastasis.
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Affiliation(s)
- Anat Klein
- Department of Cell Research and Immunology, George S. Wise, Faculty of Life Sciences, Tel-Aviv University, Tel Aviv, Israel
| | - Orit Sagi-Assif
- Department of Cell Research and Immunology, George S. Wise, Faculty of Life Sciences, Tel-Aviv University, Tel Aviv, Israel
| | - Tsipi Meshel
- Department of Cell Research and Immunology, George S. Wise, Faculty of Life Sciences, Tel-Aviv University, Tel Aviv, Israel
| | - Alona Telerman
- Department of Cell Research and Immunology, George S. Wise, Faculty of Life Sciences, Tel-Aviv University, Tel Aviv, Israel
| | - Sivan Izraely
- Department of Cell Research and Immunology, George S. Wise, Faculty of Life Sciences, Tel-Aviv University, Tel Aviv, Israel
| | - Shlomit Ben-Menachem
- Department of Cell Research and Immunology, George S. Wise, Faculty of Life Sciences, Tel-Aviv University, Tel Aviv, Israel
| | - Jagadeesh Bayry
- Inserm Unité 1138, Center de Recherche des Cordeliers, Université Pierre et Marie Curie, Université, Paris Descartes, Paris, France
| | - Diego M Marzese
- Department of Molecular Oncology, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, CA, USA
| | - Shuichi Ohe
- Department of Molecular Oncology, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, CA, USA
| | - Dave S B Hoon
- Department of Molecular Oncology, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, CA, USA
| | - Neta Erez
- Department of Pathology, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Isaac P Witz
- Department of Cell Research and Immunology, George S. Wise, Faculty of Life Sciences, Tel-Aviv University, Tel Aviv, Israel
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Zhang M, Kim JA, Huang AYC. Optimizing Tumor Microenvironment for Cancer Immunotherapy: β-Glucan-Based Nanoparticles. Front Immunol 2018; 9:341. [PMID: 29535722 PMCID: PMC5834761 DOI: 10.3389/fimmu.2018.00341] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Accepted: 02/06/2018] [Indexed: 12/22/2022] Open
Abstract
Immunotherapy is revolutionizing cancer treatment. Recent clinical success with immune checkpoint inhibitors, chimeric antigen receptor T-cell therapy, and adoptive immune cellular therapies has generated excitement and new hopes for patients and investigators. However, clinically efficacious responses to cancer immunotherapy occur only in a minority of patients. One reason is the tumor microenvironment (TME), which potently inhibits the generation and delivery of optimal antitumor immune responses. As our understanding of TME continues to grow, strategies are being developed to change the TME toward one that augments the emergence of strong antitumor immunity. These strategies include eliminating tumor bulk to provoke the release of tumor antigens, using adjuvants to enhance antigen-presenting cell function, and employ agents that enhance immune cell effector activity. This article reviews the development of β-glucan and β-glucan-based nanoparticles as immune modulators of TME, as well as their potential benefit and future therapeutic applications. Cell-wall β-glucans from natural sources including plant, fungi, and bacteria are molecules that adopt pathogen-associated molecular pattern (PAMP) known to target specific receptors on immune cell subsets. Emerging data suggest that the TME can be actively manipulated by β-glucans and their related nanoparticles. In this review, we discuss the mechanisms of conditioning TME using β-glucan and β-glucan-based nanoparticles, and how this strategy enables future design of optimal combination cancer immunotherapies.
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Affiliation(s)
- Mei Zhang
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States
- Case Comprehensive Cancer Center, Cleveland, OH, United States
- Seidman Cancer Center, University Hospitals, Cleveland, OH, United States
| | - Julian A. Kim
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States
- Case Comprehensive Cancer Center, Cleveland, OH, United States
- Seidman Cancer Center, University Hospitals, Cleveland, OH, United States
- Division of Surgical Oncology, Department of Surgery, Case Western Reserve University School of Medicine, Cleveland, OH, United States
| | - Alex Yee-Chen Huang
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States
- Case Comprehensive Cancer Center, Cleveland, OH, United States
- Division of Pediatric Hematology-Oncology, Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, OH, United States
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A CCR4 antagonist enhances DC activation and homing to the regional lymph node and shows potent vaccine adjuvant activity through the inhibition of regulatory T-cell recruitment. J Pharmacol Sci 2018. [PMID: 29519579 DOI: 10.1016/j.jphs.2018.02.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
CCR4 is a major chemokine receptor expressed by Treg cells that downregulate immune responses. Here, we investigated the role of CCR4-mediated Treg cell recruitment in antigen-specific immune responses. CCR4-deficient mice immunized intramuscularly with ovalbumin (OVA) showed enhanced OVA-specific IgG responses. Furthermore, intramuscular administration of OVA induced the expression of MDC/CCL22, a ligand for CCR4, in macrophages of the muscle tissues, and enhanced the recruitment of CCR4+ Treg cells in wild-type mice, whereas this recruitment of Treg cells was severely impaired in CCR4-deficient mice. Furthermore, OVA-loaded dendritic cells (DCs) derived from the muscle injection site of CCR4-deficient mice had an upregulated expression of the DC activation marker CD40 and 86, and the lymphoid organ homing receptor CCR7 resulting in an increased number of migratory DCs in the regional lymph node. Compound 22, a CCR4 antagonist, also inhibited the recruitment of Treg cells to the muscle tissue, and further enhanced DC activation and homing to the regional lymph node. Consequently, Compound 22 enhanced OVA-specific IgG responses, and the expression levels of IL-4 and IFN-γ in CD4+ T cells and the levels of IFN-γ in CD8+ T cells. Finally, intramuscular administration of OVA and Compound 22 significantly inhibited the growth of OVA-expressing tumors. Collectively, CCR4 plays a pivotal role in Treg cell recruitment to the muscle tissue, and intramuscular administration of CCR4 antagonists may be a promising approach for enhancing vaccine efficacy.
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Bendriss-Vermare N, Gourdin N, Vey N, Faget J, Sisirak V, Labidi-Galy I, Le Mercier I, Goutagny N, Puisieux I, Ménétrier-Caux C, Caux C. Plasmacytoid DC/Regulatory T Cell Interactions at the Center of an Immunosuppressive Network in Breast and Ovarian Tumors. Oncoimmunology 2018. [DOI: 10.1007/978-3-319-62431-0_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Phenotypic and Functional Properties of Tumor-Infiltrating Regulatory T Cells. Mediators Inflamm 2017; 2017:5458178. [PMID: 29463952 PMCID: PMC5804416 DOI: 10.1155/2017/5458178] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 12/11/2017] [Accepted: 12/12/2017] [Indexed: 12/30/2022] Open
Abstract
Regulatory T (Treg) cells maintain immune homeostasis by suppressing excessive immune responses. Treg cells induce tolerance against self- and foreign antigens, thus preventing autoimmunity, allergy, graft rejection, and fetus rejection during pregnancy. However, Treg cells also infiltrate into tumors and inhibit antitumor immune responses, thus inhibiting anticancer therapy. Depleting whole Treg cell populations in the body to enhance anticancer treatments will produce deleterious autoimmune diseases. Therefore, understanding the precise nature of tumor-infiltrating Treg cells is essential for effectively targeting Treg cells in tumors. This review summarizes recent results relating to Treg cells in the tumor microenvironment, with particular emphasis on their accumulation, phenotypic, and functional properties, and targeting to enhance the efficacy of anticancer treatment.
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Pedros C, Canonigo-Balancio AJ, Kong KF, Altman A. Requirement of Treg-intrinsic CTLA4/PKCη signaling pathway for suppressing tumor immunity. JCI Insight 2017; 2:95692. [PMID: 29212947 DOI: 10.1172/jci.insight.95692] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Accepted: 11/01/2017] [Indexed: 12/31/2022] Open
Abstract
The ability of Tregs to control the development of immune responses is essential for maintaining immune system homeostasis. However, Tregs also inhibit the development of efficient antitumor responses. Here, we explored the characteristics and mechanistic basis of the Treg-intrinsic CTLA4/PKCη signaling pathway that we recently found to be required for contact-dependent Treg-mediated suppression. We show that PKCη is required for the Treg-mediated suppression of tumor immunity in vivo. The presence of PKCη-deficient (Prkch-/-) Tregs in the tumor microenvironment was associated with a significantly increased expression of the costimulatory molecule CD86 on intratumoral CD103+ DCs, enhanced priming of antigen-specific CD8+ T cells, and greater levels of effector cytokines produced by these cells. Similar to mouse Tregs, the GIT/PAK/PIX complex also operated downstream of CTLA4 and PKCη in human Tregs, and GIT2 knockdown in Tregs promoted antitumor immunity. Collectively, our data suggest that targeting the CTLA4/PKCη/GIT/PAK/PIX signaling pathway in Tregs could represent a novel immunotherapeutic strategy to alleviate the negative impact of Tregs on antitumor immune responses.
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Affiliation(s)
- Christophe Pedros
- Division of Cell Biology, La Jolla Institute for Allergy and Immunology, La Jolla, California, USA
| | - Ann J Canonigo-Balancio
- Division of Cell Biology, La Jolla Institute for Allergy and Immunology, La Jolla, California, USA
| | - Kok-Fai Kong
- Division of Cell Biology, La Jolla Institute for Allergy and Immunology, La Jolla, California, USA.,Pfizer Oncology Research & Development, La Jolla, California, USA
| | - Amnon Altman
- Division of Cell Biology, La Jolla Institute for Allergy and Immunology, La Jolla, California, USA
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Xu X, Bian L, Shen M, Li X, Zhu J, Chen S, Xiao L, Zhang Q, Chen H, Xu K, Yang T. Multipeptide-coupled nanoparticles induce tolerance in 'humanised' HLA-transgenic mice and inhibit diabetogenic CD8 + T cell responses in type 1 diabetes. Diabetologia 2017; 60:2418-2431. [PMID: 28887632 DOI: 10.1007/s00125-017-4419-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Accepted: 07/12/2017] [Indexed: 12/25/2022]
Abstract
AIMS/HYPOTHESIS Induction of antigen-specific immunological tolerance may provide an attractive immunotherapy in the NOD mouse model but the conditions that lead to the successful translation to human type 1 diabetes are limited. In this study, we covalently linked 500 nm carboxylated polystyrene beads (PSB) with a mixture of immunodominant HLA-A*02:01-restricted epitopes (peptides-PSB) that may have high clinical relevance in humans as they promote immune tolerance; we then investigated the effect of the nanoparticle-peptide complexes on T cell tolerance. METHODS PSB-coupled mixtures of HLA-A*02:01-restricted epitopes were administered to HHD II mice via intravenous injection. The effects on delaying the course of the disease were verified in NOD.β2m null HHD mice. The diabetogenic HLA-A*02:01-restricted cytotoxic lymphocyte (CTL) responses to treatment with peptides-PSB were validated in individuals with type 1 diabetes. RESULTS We showed that peptides-PSB could induce antigen-specific tolerance in HHD II mice. The protective immunological mechanisms were mediated through the function of CD4+CD25+ regulatory T cells, suppressive T cell activation and T cell anergy. Furthermore, the peptides-PSB induced an activation and accumulation of regulatory T cells and CD11c+ dendritic cells through a rapid production of CD169+ macrophage-derived C-C motif chemokine 22 (CCL22). Peptides-PSB also prevented diabetes in 'humanised' NOD.β2m null HHD mice and suppressed pathogenic CTL responses in people with type 1 diabetes. CONCLUSIONS/INTERPRETATION Our findings demonstrate for the first time the potential for using multipeptide-PSB complexes to induce T cell tolerance and halt the autoimmune process. These findings represent a promising platform for an antigen-specific tolerance strategy in type 1 diabetes and highlight a mechanism through which metallophilic macrophages mediate the early cell-cell interactions required for peptides-PSB-induced immune tolerance.
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Affiliation(s)
- Xinyu Xu
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China
| | - Lingling Bian
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China
- Department of Endocrinology, Yancheng City No.1 People's Hospital, Yancheng, Jiangsu Province, People's Republic of China
| | - Min Shen
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China
| | - Xin Li
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China
| | - Jing Zhu
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China
| | - Shuang Chen
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China
| | - Lei Xiao
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China
| | - Qingqing Zhang
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China
| | - Heng Chen
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China
| | - Kuanfeng Xu
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China
| | - Tao Yang
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China.
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49
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Molecular adjuvants that modulate regulatory T cell function in vaccination: A critical appraisal. Pharmacol Res 2017; 129:237-250. [PMID: 29175113 DOI: 10.1016/j.phrs.2017.11.026] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 11/20/2017] [Accepted: 11/21/2017] [Indexed: 12/13/2022]
Abstract
Adjuvants are substances used to enhance the efficacy of vaccines. They influence the magnitude and alter the quality of the adaptive immune response to vaccine antigens by amplifying or modulating different signals involved in the innate immune response. The majority of known adjuvants have been empirically identified. The limited immunogenicity of new vaccine antigens and the need for safer vaccines have increased the importance of identifying single, well-defined adjuvants with known cellular and molecular mechanisms for rational vaccine design. Depletion or functional inhibition of CD4+CD25+FoxP3+ regulatory T cells (Tregs) by molecular adjuvants has become an emergent approach in this field. Different successful results have been obtained for specific vaccines, but there are still unresolved issues such as the risk of autoimmune disease induction, the involvement of cells other than Tregs and optimization for different conditions. This work provides a comprehensive analysis of current approaches to inhibit Tregs with molecular adjuvants for vaccine improvement, highlights the progress being made, and describes ongoing challenges.
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Fülle L, Steiner N, Funke M, Gondorf F, Pfeiffer F, Siegl J, Opitz FV, Haßel SK, Erazo AB, Schanz O, Stunden HJ, Blank M, Gröber C, Händler K, Beyer M, Weighardt H, Latz E, Schultze JL, Mayer G, Förster I. RNA Aptamers Recognizing Murine CCL17 Inhibit T Cell Chemotaxis and Reduce Contact Hypersensitivity In Vivo. Mol Ther 2017; 26:95-104. [PMID: 29103909 PMCID: PMC5763148 DOI: 10.1016/j.ymthe.2017.10.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Revised: 10/04/2017] [Accepted: 10/04/2017] [Indexed: 01/21/2023] Open
Abstract
The chemokine CCL17, mainly produced by dendritic cells (DCs) in the immune system, is involved in the pathogenesis of various inflammatory diseases. As a ligand of CCR4, CCL17 induces chemotaxis and facilitates T cell-DC interactions. We report the identification of two novel RNA aptamers, which were validated in vitro and in vivo for their capability to neutralize CCL17. Both aptamers efficiently inhibited the directed migration of the CCR4+ lymphoma line BW5147.3 toward CCL17 in a dose-dependent manner. To study the effect of these aptamers in vivo, we used a murine model of contact hypersensitivity. Systemic application of the aptamers significantly prevented ear swelling and T cell infiltration into the ears of sensitized mice after challenge with the contact sensitizer. The results of this proof-of-principle study establish aptamers as potent inhibitors of CCL17-mediated chemotaxis. Potentially, CCL17-specific aptamers may be used therapeutically in humans to treat or prevent allergic and inflammatory diseases.
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Affiliation(s)
- Lorenz Fülle
- Immunology and Environment, Life and Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
| | - Nancy Steiner
- Immunology and Environment, Life and Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
| | - Markus Funke
- Chemical Biology and Chemical Genetics, Life and Medical Sciences (LIMES) Institute, University of Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany; Centre of Aptamer Research and Development, University of Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany
| | - Fabian Gondorf
- Immunology and Environment, Life and Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
| | - Franziska Pfeiffer
- Chemical Biology and Chemical Genetics, Life and Medical Sciences (LIMES) Institute, University of Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany; Centre of Aptamer Research and Development, University of Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany
| | - Julia Siegl
- Chemical Biology and Chemical Genetics, Life and Medical Sciences (LIMES) Institute, University of Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany; Centre of Aptamer Research and Development, University of Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany
| | - Friederike V Opitz
- Immunology and Environment, Life and Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
| | - Silvana K Haßel
- Chemical Biology and Chemical Genetics, Life and Medical Sciences (LIMES) Institute, University of Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany; Centre of Aptamer Research and Development, University of Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany
| | - Anna Belen Erazo
- Immunology and Environment, Life and Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
| | - Oliver Schanz
- Immunology and Environment, Life and Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
| | - H James Stunden
- Institute of Innate Immunity, University Hospital Bonn, Sigmund-Freud-Straße 25, 53127 Bonn, Germany
| | - Michael Blank
- AptaIT, Am Klopferspitz 19a, 82152 Planegg-Martinsried, Germany
| | - Carsten Gröber
- AptaIT, Am Klopferspitz 19a, 82152 Planegg-Martinsried, Germany
| | - Kristian Händler
- Genomics and Immunoregulation, Life and Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany; Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Sigmund-Freud-Straße 27, 53127 Bonn, Germany
| | - Marc Beyer
- Genomics and Immunoregulation, Life and Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany; Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Sigmund-Freud-Straße 27, 53127 Bonn, Germany; Molecular Immunology in Neurodegeneration, German Center for Neurodegenerative Diseases (DZNE), Sigmund-Freud-Straße 27, 53127 Bonn, Germany
| | - Heike Weighardt
- Immunology and Environment, Life and Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
| | - Eicke Latz
- Institute of Innate Immunity, University Hospital Bonn, Sigmund-Freud-Straße 25, 53127 Bonn, Germany
| | - Joachim L Schultze
- Genomics and Immunoregulation, Life and Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany; Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Sigmund-Freud-Straße 27, 53127 Bonn, Germany
| | - Günter Mayer
- Chemical Biology and Chemical Genetics, Life and Medical Sciences (LIMES) Institute, University of Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany; Centre of Aptamer Research and Development, University of Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany.
| | - Irmgard Förster
- Immunology and Environment, Life and Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany.
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