1
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Yaseen MM, Abuharfeil NM, Darmani H. MDSC expansion during HIV infection: regulators, ART and immune reconstitution. Genes Immun 2024; 25:242-253. [PMID: 38605259 DOI: 10.1038/s41435-024-00272-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 04/03/2024] [Accepted: 04/05/2024] [Indexed: 04/13/2024]
Abstract
Myeloid-derived suppressor cells (MDSCs) become expanded in different pathological conditions including human immunodeficiency virus (HIV) infection and this may worsen the disease status and accelerate disease progression. In HIV infection, MDSCs suppress anti-HIV immune responses and hamper immune reconstitution. Understanding the factors and mechanisms of MDSC expansion during HIV infection is central to understanding the pathophysiology of HIV infection. This may pave the way to developing new therapeutic targets or strategies. In this work we addressed (i) the mechanisms that regulate MDSC expansion, (ii) the impact of antiretroviral therapy (ART) on the frequency of MDSCs during HIV infection; (iii) the impact of MDSCs on immune reconstitution during successful ART; and (iv) the potential of MDSCs as a therapeutic target.
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Affiliation(s)
- Mahmoud Mohammad Yaseen
- Department of Biotechnology and Genetic Engineering, Faculty of Science and Arts, Jordan University of Science and Technology, P.O. Box 3030, Irbid, 22110, Jordan.
| | - Nizar Mohammad Abuharfeil
- Department of Biotechnology and Genetic Engineering, Faculty of Science and Arts, Jordan University of Science and Technology, P.O. Box 3030, Irbid, 22110, Jordan
| | - Homa Darmani
- Department of Biotechnology and Genetic Engineering, Faculty of Science and Arts, Jordan University of Science and Technology, P.O. Box 3030, Irbid, 22110, Jordan
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2
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Frederico SC, Sharma N, Darling C, Taori S, Dubinsky AC, Zhang X, Raphael I, Kohanbash G. Myeloid cells as potential targets for immunotherapy in pediatric gliomas. Front Pediatr 2024; 12:1346493. [PMID: 38523840 PMCID: PMC10960498 DOI: 10.3389/fped.2024.1346493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 02/26/2024] [Indexed: 03/26/2024] Open
Abstract
Pediatric high-grade glioma (pHGG) including pediatric glioblastoma (pGBM) are highly aggressive pediatric central nervous system (CNS) malignancies. pGBM comprises approximately 3% of all pediatric CNS malignancies and has a 5-year survival rate of approximately 20%. Surgical resection and chemoradiation are often the standard of care for pGBM and pHGG, however, even with these interventions, survival for children diagnosed with pGBM and pHGG remains poor. Due to shortcomings associated with the standard of care, many efforts have been made to create novel immunotherapeutic approaches targeted to these malignancies. These efforts include the use of vaccines, cell-based therapies, and immune-checkpoint inhibitors. However, it is believed that in many pediatric glioma patients an immunosuppressive tumor microenvironment (TME) possess barriers that limit the efficacy of immune-based therapies. One of these barriers includes the presence of immunosuppressive myeloid cells. In this review we will discuss the various types of myeloid cells present in the glioma TME, including macrophages and microglia, myeloid-derived suppressor cells, and dendritic cells, as well as the specific mechanisms these cells can employ to enable immunosuppression. Finally, we will highlight therapeutic strategies targeted to these cells that are aimed at impeding myeloid-cell derived immunosuppression.
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Affiliation(s)
- Stephen C. Frederico
- University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
- Harvard Medical School, Boston, MA, United States
- Dana-Farber Cancer Institute, Boston, MA, United States
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, United States
| | - Nikhil Sharma
- University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | - Corbin Darling
- University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | - Suchet Taori
- University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | | | - Xiaoran Zhang
- Sloan Kettering Memorial Cancer Center, New York, NY, United States
| | - Itay Raphael
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, United States
| | - Gary Kohanbash
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, United States
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, United States
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3
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Sharma P, Otto M. Multifunctional nanocomposites modulating the tumor microenvironment for enhanced cancer immunotherapy. Bioact Mater 2024; 31:440-462. [PMID: 37701452 PMCID: PMC10494322 DOI: 10.1016/j.bioactmat.2023.08.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 08/09/2023] [Accepted: 08/28/2023] [Indexed: 09/14/2023] Open
Abstract
Cancer immunotherapy has gained momentum for treating malignant tumors over the past decade. Checkpoint blockade and chimeric antigen receptor cell therapy (CAR-T) have shown considerable potency against liquid and solid cancers. However, the tumor microenvironment (TME) is highly immunosuppressive and hampers the effect of currently available cancer immunotherapies on overall treatment outcomes. Advancements in the design and engineering of nanomaterials have opened new avenues to modulate the TME. Progress in the current nanocomposite technology can overcome immunosuppression and trigger robust immunotherapeutic responses by integrating synergistic functions of different molecules. We will review recent advancements in nanomedical applications and discuss specifically designed nanocomposites modulating the TME for cancer immunotherapy. In addition, we provide information on the current landscape of clinical-stage nanocomposites for cancer immunotherapy.
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Affiliation(s)
- Prashant Sharma
- Department of Child Health, University of Arizona College of Medicine-Phoenix, ABC1 Building, 425 N 5th Street, Phoenix, AZ, 85004, USA
| | - Mario Otto
- Department of Child Health, University of Arizona College of Medicine-Phoenix, ABC1 Building, 425 N 5th Street, Phoenix, AZ, 85004, USA
- Center for Cancer and Blood Disorders (CCBD), Phoenix Children's, 1919 E Thomas Rd, Phoenix, AZ, 85016, USA
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4
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Ren R, Xiong C, Ma R, Wang Y, Yue T, Yu J, Shao B. The recent progress of myeloid-derived suppressor cell and its targeted therapies in cancers. MedComm (Beijing) 2023; 4:e323. [PMID: 37547175 PMCID: PMC10397484 DOI: 10.1002/mco2.323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 05/09/2023] [Accepted: 05/24/2023] [Indexed: 08/08/2023] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are an immature group of myeloid-derived cells generated from myeloid cell precursors in the bone marrow. MDSCs appear almost exclusively in pathological conditions, such as tumor progression and various inflammatory diseases. The leading function of MDSCs is their immunosuppressive ability, which plays a crucial role in tumor progression and metastasis through their immunosuppressive effects. Since MDSCs have specific molecular features, and only a tiny amount exists in physiological conditions, MDSC-targeted therapy has become a promising research direction for tumor treatment with minimal side effects. In this review, we briefly introduce the classification, generation and maturation process, and features of MDSCs, and detail their functions under various circumstances. The present review specifically demonstrates the environmental specificity of MDSCs, highlighting the differences between MDSCs from cancer and healthy individuals, as well as tumor-infiltrating MDSCs and circulating MDSCs. Then, we further describe recent advances in MDSC-targeted therapies. The existing and potential targeted drugs are divided into three categories, monoclonal antibodies, small-molecular inhibitors, and peptides. Their targeting mechanisms and characteristics have been summarized respectively. We believe that a comprehensive in-depth understanding of MDSC-targeted therapy could provide more possibilities for the treatment of cancer.
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Affiliation(s)
- Ruiyang Ren
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesDepartment of OrthodonticsWest China Hospital of StomatologySichuan UniversityChengduSichuanChina
| | - Chenyi Xiong
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengduSichuanChina
| | - Runyu Ma
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengduSichuanChina
| | - Yixuan Wang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengduSichuanChina
| | - Tianyang Yue
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengduSichuanChina
| | - Jiayun Yu
- Department of RadiotherapyCancer Center and State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengduChina
| | - Bin Shao
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengduSichuanChina
- State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengduSichuanChina
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5
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Calderon JJ, Prieto K, Lasso P, Fiorentino S, Barreto A. Modulation of Myeloid-Derived Suppressor Cells in the Tumor Microenvironment by Natural Products. Arch Immunol Ther Exp (Warsz) 2023; 71:17. [PMID: 37410164 DOI: 10.1007/s00005-023-00681-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 05/29/2023] [Indexed: 07/07/2023]
Abstract
During carcinogenesis, the microenvironment plays a fundamental role in tumor progression and resistance. This tumor microenvironment (TME) is characterized by being highly immunosuppressive in most cases, which makes it an important target for the development of new therapies. One of the most important groups of cells that orchestrate immunosuppression in TME is myeloid-derived suppressor cells (MDSCs), which have multiple mechanisms to suppress the immune response mediated by T lymphocytes and thus protect the tumor. In this review, we will discuss the importance of modulating MDSCs as a therapeutic target and how the use of natural products, due to their multiple mechanisms of action, can be a key alternative for modulating these cells and thus improve response to therapy in cancer patients.
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Affiliation(s)
- Jhon Jairo Calderon
- Grupo de Inmunobiología y Biología Celular, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Karol Prieto
- Grupo de Inmunobiología y Biología Celular, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Paola Lasso
- Grupo de Inmunobiología y Biología Celular, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Susana Fiorentino
- Grupo de Inmunobiología y Biología Celular, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Alfonso Barreto
- Grupo de Inmunobiología y Biología Celular, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia.
- Departamento de Microbiología, Pontificia Universidad Javeriana, Carrera 7 # 43-82. Edificio 50 Laboratorio 101, Bogotá, Colombia.
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6
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Kumari S, Gupta R, Ambasta RK, Kumar P. Multiple therapeutic approaches of glioblastoma multiforme: From terminal to therapy. Biochim Biophys Acta Rev Cancer 2023; 1878:188913. [PMID: 37182666 DOI: 10.1016/j.bbcan.2023.188913] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 04/24/2023] [Accepted: 05/10/2023] [Indexed: 05/16/2023]
Abstract
Glioblastoma multiforme (GBM) is an aggressive brain cancer showing poor prognosis. Currently, treatment methods of GBM are limited with adverse outcomes and low survival rate. Thus, advancements in the treatment of GBM are of utmost importance, which can be achieved in recent decades. However, despite aggressive initial treatment, most patients develop recurrent diseases, and the overall survival rate of patients is impossible to achieve. Currently, researchers across the globe target signaling events along with tumor microenvironment (TME) through different drug molecules to inhibit the progression of GBM, but clinically they failed to demonstrate much success. Herein, we discuss the therapeutic targets and signaling cascades along with the role of the organoids model in GBM research. Moreover, we systematically review the traditional and emerging therapeutic strategies in GBM. In addition, we discuss the implications of nanotechnologies, AI, and combinatorial approach to enhance GBM therapeutics.
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Affiliation(s)
- Smita Kumari
- Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, Delhi Technological University, India
| | - Rohan Gupta
- Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, Delhi Technological University, India
| | - Rashmi K Ambasta
- Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, Delhi Technological University, India
| | - Pravir Kumar
- Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, Delhi Technological University, India.
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7
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Tseng LM, Lau KY, Chen JL, Chu PY, Huang TT, Lee CH, Wang WL, Chang YY, Huang CT, Huang CC, Chao TC, Tsai YF, Lai JI, Dai MS, Liu CY. Regorafenib induces damage-associated molecular patterns, cancer cell death and immune modulatory effects in a murine triple negative breast cancer model. Exp Cell Res 2023; 429:113652. [PMID: 37209991 DOI: 10.1016/j.yexcr.2023.113652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 05/13/2023] [Accepted: 05/15/2023] [Indexed: 05/22/2023]
Abstract
Damage associated molecular patterns (DAMPs), including calreticulin (CRT) exposure, high-mobility group box 1 protein (HMGB1) elevation, and ATP release, characterize immunogenic cell death (ICD) and may play a role in cancer immunotherapy. Triple negative breast cancer (TNBC) is an immunogenic subtype of breast cancer with higher lymphocyte infiltration. Here, we found that regorafenib, a multi-target angiokinase inhibitor previously known to suppress STAT3 signaling, induced DAMPs and cell death in TNBC cells. Regorafenib induced the expression of HMGB1 and CRT, and the release of ATP. Regorafenib-induced HMGB1 and CRT were attenuated following STAT3 overexpression. In a 4T1 syngeneic murine model, regorafenib treatment increased HMGB1 and CRT expression in xenografts, and effectively suppressed 4T1 tumor growth. Immunohistochemical staining revealed increased CD4+ and CD8+ tumor-infiltrating T cells in 4T1 xenografts following regorafenib treatment. Regorafenib treatment or programmed death-1 (PD-1) blockade using anti-PD-1 monoclonal antibody reduced lung metastasis of 4T1 cells in immunocompetent mice. While regorafenib increases the proportion of MHC II high expression on dendritic cells in mice with smaller tumors, the combination of regorafenib and PD-1 blockade did not show a synergistic effect on anti-tumor activity. These results suggest that regorafenib induces ICD and suppresses tumor progression in TNBC. It should be carefully evaluated when developing a combination therapy with an anti-PD-1 antibody and a STAT3 inhibitor.
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Affiliation(s)
- Ling-Ming Tseng
- Division of General Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan; Comprehensive Breast Health Center, Taipei Veterans General Hospital, Taipei, Taiwan; School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Ka-Yi Lau
- Division of Medical Oncology, Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Ji-Lin Chen
- Comprehensive Breast Health Center, Taipei Veterans General Hospital, Taipei, Taiwan; Division of Medical Oncology, Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Pei-Yi Chu
- Department of Pathology, Show Chwan Memorial Hospital, Changhua City, Taiwan; School of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan; Department of Health Food, Chung Chou University of Science and Technology, Changhua, Taiwan
| | - Tzu-Ting Huang
- Comprehensive Breast Health Center, Taipei Veterans General Hospital, Taipei, Taiwan; Division of Medical Oncology, Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Chia-Han Lee
- Division of Medical Oncology, Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Wan-Lun Wang
- Division of General Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan; Comprehensive Breast Health Center, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Yuan-Ya Chang
- Division of Medical Oncology, Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Chun-Teng Huang
- Division of Hematology & Oncology, Department of Medicine, Yang-Ming Branch of Taipei City Hospital, Taipei, Taiwan
| | - Chi-Cheng Huang
- Division of General Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan; Comprehensive Breast Health Center, Taipei Veterans General Hospital, Taipei, Taiwan; Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Ta-Chung Chao
- Comprehensive Breast Health Center, Taipei Veterans General Hospital, Taipei, Taiwan; School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Division of Chemotherapy, Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Yi-Fang Tsai
- Division of General Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan; Comprehensive Breast Health Center, Taipei Veterans General Hospital, Taipei, Taiwan; School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Jiun-I Lai
- Comprehensive Breast Health Center, Taipei Veterans General Hospital, Taipei, Taiwan; Division of Medical Oncology, Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan; Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
| | - Ming-Shen Dai
- Hematology/Oncology, Tri-Service General Hospital, National Defense Medical Centre, Taipei, Taiwan
| | - Chun-Yu Liu
- Comprehensive Breast Health Center, Taipei Veterans General Hospital, Taipei, Taiwan; School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Division of Medical Oncology, Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan; Division of Transfusion Medicine, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.
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8
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Ostrand-Rosenberg S, Lamb TJ, Pawelec G. Here, There, and Everywhere: Myeloid-Derived Suppressor Cells in Immunology. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 210:1183-1197. [PMID: 37068300 PMCID: PMC10111205 DOI: 10.4049/jimmunol.2200914] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 01/06/2023] [Indexed: 04/19/2023]
Abstract
Myeloid-derived suppressor cells (MDSCs) were initially identified in humans and mice with cancer where they profoundly suppress T cell- and NK cell-mediated antitumor immunity. Inflammation is a central feature of many pathologies and normal physiological conditions and is the dominant driving force for the accumulation and function of MDSCs. Therefore, MDSCs are present in conditions where inflammation is present. Although MDSCs are detrimental in cancer and conditions where cellular immunity is desirable, they are beneficial in settings where cellular immunity is hyperactive. Because MDSCs can be generated ex vivo, they are being exploited as therapeutic agents to reduce damaging cellular immunity. In this review, we discuss the detrimental and beneficial roles of MDSCs in disease settings such as bacterial, viral, and parasitic infections, sepsis, obesity, trauma, stress, autoimmunity, transplantation and graft-versus-host disease, and normal physiological settings, including pregnancy and neonates as well as aging. The impact of MDSCs on vaccination is also discussed.
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Affiliation(s)
- Suzanne Ostrand-Rosenberg
- Division of Microbiology and Immunology, Department of Pathology, University of Utah 84112, Salt Lake City, UT
- Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA
| | - Tracey J. Lamb
- Division of Microbiology and Immunology, Department of Pathology, University of Utah 84112, Salt Lake City, UT
| | - Graham Pawelec
- Department of Immunology, Interfaculty Institute for Cell Biology, University of Tübingen, Tübingen, Germany, and Health Sciences North Research Institute, Sudbury, ON, Canada
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9
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Mougel A, Méjean F, Tran T, Adimi Y, Galy-Fauroux I, Kaboré C, Mercier E, Urquia P, Terme M, Tartour E, Tanchot C. Synergistic effect of combining sunitinib with a peptide-based vaccine in cancer treatment after microenvironment remodeling. Oncoimmunology 2022; 11:2110218. [PMID: 35968405 PMCID: PMC9367646 DOI: 10.1080/2162402x.2022.2110218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
Although it has proven difficult to demonstrate the clinical efficacy of therapeutic vaccination as a monotherapy in advanced cancers, its combination with an immunomodulatory treatment to reduce intra-tumor immunosuppression and improve vaccine efficacy is a very promising strategy. In this context, we are studying the combination of a vaccine composed of peptides of the tumor antigen survivin (SVX vaccine) with the anti-angiogenic agent sunitinib in a colorectal carcinoma model. To this end, we have been focusing on administration scheduling and have highlighted a therapeutic synergy between SVX vaccine and sunitinib when the vaccine was administered at the end of anti-angiogenic treatment. In this setting, a prolonged control of tumor growth associated with an important percentage of complete tumor regression was observed. Studying the remodeling induced by each therapy on the immunological and angiogenic tumor microenvironment over time we observed, during sunitinib treatment, a transient increase in polymorphonuclear myeloid-derived suppressor cells (PMN-MDSCs) and a decrease in NK cells in the tumor microenvironment. In contrast, after sunitinib treatment was stopped, a decrease in PMN-MDSC populations has been observed in the tumor, associated with an increase in NK cells, pericyte coverage of tumor vessels and CD8+ T cell population and functionality. In conclusion, sunitinib treatment results in the promotion of an immune-favorable tumor microenvironment that can guide the optimal sequence of vaccine and anti-angiogenic combination to reinforce their synergy.
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Affiliation(s)
- Alice Mougel
- Université Paris Cité, Inserm, PARCC, F-75015 Paris, France
| | - Fanny Méjean
- Université Paris Cité, Inserm, PARCC, F-75015 Paris, France
| | - Thi Tran
- Université Paris Cité, Inserm, PARCC, F-75015 Paris, France
| | - Yasmine Adimi
- Université Paris Cité, Inserm, PARCC, F-75015 Paris, France
| | | | | | - Erwan Mercier
- Université Paris Cité, Inserm, PARCC, F-75015 Paris, France
| | - Pauline Urquia
- Université Paris Cité, Inserm, PARCC, F-75015 Paris, France
| | - Magali Terme
- Université Paris Cité, Inserm, PARCC, F-75015 Paris, France
| | - Eric Tartour
- Université Paris Cité, Inserm, PARCC, F-75015 Paris, France
- Department of Immunology, AP-HP, Hôpital Européen Georges Pompidou, F-75015 Paris, France
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10
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Multi-target tyrosine kinase inhibitor nanoparticle delivery systems for cancer therapy. Mater Today Bio 2022; 16:100358. [PMID: 35880099 PMCID: PMC9307458 DOI: 10.1016/j.mtbio.2022.100358] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/05/2022] [Accepted: 07/07/2022] [Indexed: 12/19/2022] Open
Abstract
Multi-target Tyrosine Kinase Inhibitors (MTKIs) have drawn substantial attention in tumor therapy. MTKIs could inhibit tumor cell proliferation and induce apoptosis by blocking the activity of tyrosine kinase. However, the toxicity and drug resistance of MTKIs severely restrict their further clinical application. The nano pharmaceutical technology based on MTKIs has attracted ever-increasing attention in recent years. Researchers deliver MTKIs through various types of nanocarriers to overcome drug resistance and improve considerably therapeutic efficiency. This review intends to summarize comprehensive applications of MTKIs nanoparticles in malignant tumor treatment. Firstly, the mechanism and toxicity were introduced. Secondly, various nanocarriers for MTKIs delivery were outlined. Thirdly, the combination treatment schemes and drug resistance reversal strategies were emphasized to improve the outcomes of cancer therapy. Finally, conclusions and perspectives were summarized to guide future research.
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11
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Design Strategies and Precautions for Using Vaccinia Virus in Tumor Virotherapy. Vaccines (Basel) 2022; 10:vaccines10091552. [PMID: 36146629 PMCID: PMC9504998 DOI: 10.3390/vaccines10091552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/27/2022] [Accepted: 09/10/2022] [Indexed: 11/17/2022] Open
Abstract
Oncolytic virotherapy has emerged as a novel form of cancer immunotherapy. Oncolytic viruses (OVs) can directly infect and lyse the tumor cells, and modulate the beneficial immune microenvironment. Vaccinia virus (VACV) is a promising oncolytic vector because of its high safety, easy gene editing, and tumor intrinsic selectivity. To further improve the safety, tumor-targeting ability, and OV-induced cancer-specific immune activation, various approaches have been used to modify OVs. The recombinant oncolytic VACVs with deleting viral virulence factors and/or arming various therapeutic genes have displayed better therapeutic effects in multiple tumor models. Moreover, the combination of OVs with other cancer immunotherapeutic approaches, such as immune checkpoint inhibitors and CAR-T cells, has the potential to improve the outcome in cancer patients. This will open up new possibilities for the application of OVs in cancer treatment, especially for personalized cancer therapies.
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12
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van Geffen C, Heiss C, Deißler A, Kolahian S. Pharmacological modulation of myeloid-derived suppressor cells to dampen inflammation. Front Immunol 2022; 13:933847. [PMID: 36110844 PMCID: PMC9468781 DOI: 10.3389/fimmu.2022.933847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 07/26/2022] [Indexed: 11/13/2022] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are a heterogeneous cell population with potent suppressive and regulative properties. MDSCs’ strong immunosuppressive potential creates new possibilities to treat chronic inflammation and autoimmune diseases or induce tolerance towards transplantation. Here, we summarize and critically discuss different pharmacological approaches which modulate the generation, activation, and recruitment of MDSCs in vitro and in vivo, and their potential role in future immunosuppressive therapy.
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13
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Rizzo M, Varnier L, Pezzicoli G, Pirovano M, Cosmai L, Porta C. IL-8 and its role as a potential biomarker of resistance to anti-angiogenic agents and immune checkpoint inhibitors in metastatic renal cell carcinoma. Front Oncol 2022; 12:990568. [PMID: 36059687 PMCID: PMC9437355 DOI: 10.3389/fonc.2022.990568] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 08/01/2022] [Indexed: 11/24/2022] Open
Abstract
The therapeutic armamentarium of metastatic Renal Cell Carcinoma (mRCC) has consistently expanded in recent years, with the introduction of VEGF/VEGFR (Vascular Endothelial Growth Factor/Vascular Endothelial Growth Factor Receptor) inhibitors, mTOR (mammalian Target Of Rapamycin) inhibitors and Immune Checkpoint (IC) inhibitors. Currently, for the first-tline treatment of mRCC it is possible to choose between a VEGFR-TKI (VEGFR-Tyrosine Kinase Inhibitor) monotherapy, an ICI-ICI (Immune Checkpoint Inhibitor) combination and an ICI-VEGFRTKI combination. However, a consistent part of patients does not derive benefit from first-line therapy with ICIs; moreover, the use of combination regimens exposes patients to significant toxicities. Therefore, there is a critical need to develop prognostic and predictive biomarkers of response to VEGFR-TKIs and ICIs, and measurement of serum IL-8 is emerging as a potential candidate in this field. Recent retrospective analyses of large phase II and phase III trials found that elevated baseline serum IL-8 correlated with higher levels of tumor and circulating immunosuppressive myeloid cells, decreased T cell activation and poor response to treatment. These findings must be confirmed in prospective clinical trials; however, they provide evidence for a potential use of serum IL-8 as biomarker of resistance to VEGFR-TKIs and ICIs. Considering the amount of new agents and treatment regimens which are transforming the management of metastatic renal cell carcinoma, serum IL-8 could become a precious resource in tailoring the best therapy for each individual patient with the disease.
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Affiliation(s)
- Mimma Rizzo
- Division of Medical Oncology, Azienda Ospedaliero Universitaria Consorziale Policlinico di Bari, Bari, Italy
- *Correspondence: Mimma Rizzo,
| | - Luca Varnier
- Department of Pediatrics, Meyer’ Childrens University Hospital, Florence, Italy
| | - Gaetano Pezzicoli
- Department of Interdisciplinary Medicine, School of Medicine, University of Bari “A. Moro”, Bari, Italy
| | - Marta Pirovano
- Division of Nephrology and Dialysis, Azienda Socio-Sanitaria Territoriale (ASST) Fatebenefratelli-Sacco, Fatebenefratelli Hospital, Milan, Italy
| | - Laura Cosmai
- Division of Nephrology and Dialysis, Azienda Socio-Sanitaria Territoriale (ASST) Fatebenefratelli-Sacco, Fatebenefratelli Hospital, Milan, Italy
| | - Camillo Porta
- Division of Medical Oncology, Azienda Ospedaliero Universitaria Consorziale Policlinico di Bari, Bari, Italy
- Chair of Oncology, Interdisciplinary Department of Medicine, University of Bari “A. Moro”, Bari, Italy
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14
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Lindskog M, Laurell A, Kjellman A, Melichar B, Rey PM, Zieliński H, Villacampa F, Bigot P, Zoltan B, Parikh O, Alba DV, Jellvert Å, Flaskó T, Gallardo E, Caparrós MJR, Purkalne G, Suenaert P, Karlsson-Parra A, Ljungberg B. Ilixadencel, a Cell-based Immune Primer, plus Sunitinib Versus Sunitinib Alone in Metastatic Renal Cell Carcinoma: A Randomized Phase 2 Study. EUR UROL SUPPL 2022; 40:38-45. [PMID: 35638086 PMCID: PMC9142735 DOI: 10.1016/j.euros.2022.03.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/30/2022] [Indexed: 01/05/2023] Open
Abstract
Background The prognosis of patients with synchronous metastatic renal cell carcinoma (mRCC) is poor. Whereas single-agent tyrosine kinase inhibition (TKI) is clearly insufficient, the effects can be enhanced by combinations with immune checkpoint inhibitors. Innovative treatment options combining TKI and other immune-stimulating agents could prove beneficial. Objective To evaluate the clinical effects on metastatic disease when two doses of allogeneic monocyte-derived dendritic cells (ilixadencel) are administrated intratumorally followed by nephrectomy and treatment with sunitinib compared with nephrectomy and sunitinib monotherapy, in patients with synchronous mRCC. Design, setting, and participants A randomized (2:1) phase 2 multicenter trial enrolled 88 patients with newly diagnosed mRCC to treatment with the combination ilixadencel/sunitinib (ILIXA/SUN; 58 patients) or sunitinib alone (SUN; 30 patients). Outcome measurements and statistical analysis The primary endpoints were 18-mo survival rate and overall survival (OS). A secondary endpoint was objective response rate (ORR) assessed up to 18 mo after enrollment. Statistic evaluations included Kaplan-Meier estimates, log-rank tests, Cox regression, and stratified Cochran-Mantel-Haenszel tests. Results and limitations The median OS was 35.6 mo in the ILIXA/SUN arm versus 25.3 mo in the SUN arm (hazard ratio 0.73, 95% confidence interval 0.42–1.27; p = 0.25), while the 18-mo OS rates were 63% and 66% in the ILIXA/SUN and SUN arms, respectively. The confirmed ORR in the ILIXA/SUN arm were 42.2% (19/45), including three patients with complete response, versus 24.0% (six/25) in the SUN arm (p = 0.13) without complete responses. The study was not adequately powered to detect modest differences in survival. Conclusions The study failed to meet its primary endpoints. However, ilixadencel in combination with sunitinib was associated with a numerically higher, nonsignificant, confirmed response rate, including complete responses, compared with sunitinib monotherapy. Patient summary We studied the effects of intratumoral vaccination with ilixadencel followed by sunitinib versus sunitinib only in a randomized phase 2 study. The combination treatment showed numerically higher numbers of confirmed responses, suggesting an immunologic effect.
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Affiliation(s)
- Magnus Lindskog
- Department of Immunology, Genetics and Pathology, Uppsala University Hospital, Uppsala University, Uppsala, Sweden
- Corresponding author. Department of Immunology, Genetics and Pathology, Uppsala University Hospital, Uppsala University, Akademiska sjukhuset, Entrance 100/101, 751 85 Uppsala, Sweden. Tel. +46 (0) 768434455.
| | - Anna Laurell
- Department of Oncology, Akademiska University Hospital, Uppsala, Sweden
| | - Anders Kjellman
- Department of Urology, CLINTEC, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Bohuslav Melichar
- Department of Urology and Urological Oncology, Wojewodzki Szpital Specjalistyczny im. Stefana Kardynała Wyszyńskiego, Lublin, Poland
| | | | - Henryk Zieliński
- Clinical Urology, Military Institute of Medicine, Warsaw, Poland
| | | | - Pierre Bigot
- Department of Urology, Centre Hospitalier Universitaire d'Angers, Angers Cedex, France
| | - Bajory Zoltan
- Szent-Györgyi Albert Klinikai Központ, Szegedi Tudomanyegyetem Altalanos Ovostudomanyi Kar Urologiai Klinika, Szeged, Hungary
| | - Omi Parikh
- Rosemere Cancer Centre, Royal Preston Hospital, Preston, UK
| | - David Vazquez Alba
- Servicio de Urología, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain
| | - Åsa Jellvert
- Department of Oncology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Tibor Flaskó
- Department of Urology, Medical School, University of Debrecen, Debrecen, Hungary
| | - Enrique Gallardo
- Oncology Department, Parc Taulí Hospital Universitari, Institut d’Investigació i Innovació Parc Taulí I3PT, Universitat Autònoma de Barcelona, Sabadell, Spain
| | | | - Gunta Purkalne
- Oncology Clinic, Pauls Stradins Clinical University Hospital, Rīga, Latvia
| | | | - Alex Karlsson-Parra
- Immunicum AB, Stockholm, Sweden
- Department of Immunology, Genetics and Pathology, Section of Clinical Immunology, Uppsala University, Uppsala, Sweden
| | - Börje Ljungberg
- Department of Surgical and Perioperative Sciences, Urology and Andrology, Umeå University, Umeå, Sweden
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15
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Zhang Y, Brekken RA. Direct and indirect regulation of the tumor immune microenvironment by VEGF. J Leukoc Biol 2022; 111:1269-1286. [DOI: 10.1002/jlb.5ru0222-082r] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 04/06/2022] [Accepted: 04/07/2022] [Indexed: 12/19/2022] Open
Affiliation(s)
- Yuqing Zhang
- Hamon Center for Therapeutic Oncology Research UT Southwestern Medical Center Dallas Texas USA
- Department of Surgery UT Southwestern Medical Center Dallas Texas USA
- Cancer Biology Graduate Program UT Southwestern Medical Center Dallas Texas USA
- Current affiliation: Department of Medical Oncology Dana‐Farber Cancer Institute Boston Massachusetts USA
| | - Rolf A. Brekken
- Hamon Center for Therapeutic Oncology Research UT Southwestern Medical Center Dallas Texas USA
- Department of Surgery UT Southwestern Medical Center Dallas Texas USA
- Cancer Biology Graduate Program UT Southwestern Medical Center Dallas Texas USA
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16
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Koinis F, Xagara A, Chantzara E, Leontopoulou V, Aidarinis C, Kotsakis A. Myeloid-Derived Suppressor Cells in Prostate Cancer: Present Knowledge and Future Perspectives. Cells 2021; 11:20. [PMID: 35011582 PMCID: PMC8750906 DOI: 10.3390/cells11010020] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 12/13/2021] [Accepted: 12/16/2021] [Indexed: 02/08/2023] Open
Abstract
Several lines of research are being investigated to better understand mechanisms implicated in response or resistance to immune checkpoint blockade in prostate cancer (PCa). Myeloid-derived suppressor cells (MDSCs) have emerged as a major mediator of immunosuppression in the tumor microenvironment that promotes progression of various tumor types. The main mechanisms underlying MDSC-induced immunosuppression are currently being explored and strategies to enhance anti-tumor immune response via MDSC targeting are being tested. However, the role of MDSCs in PCa remains elusive. In this review, we aim to summarize and present the state-of-the-art knowledge on current methodologies to phenotypically and metabolically characterize MDSCs in PCa. We describe how these characteristics may be linked with MDSC function and may influence the clinical outcomes of patients with PCa. Finally, we briefly discuss emerging strategies being employed to therapeutically target MDSCs and potentiate the long-overdue improvement in the efficacy of immunotherapy in patients with PCa.
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Affiliation(s)
- Filippos Koinis
- Department of Medical Oncology, University General Hospital of Larissa, 41221 Larissa, Thessaly, Greece; (F.K.); (E.C.); (V.L.); (C.A.)
- Laboratory of Oncology, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41500 Larissa, Thessaly, Greece;
| | - Anastasia Xagara
- Laboratory of Oncology, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41500 Larissa, Thessaly, Greece;
| | - Evangelia Chantzara
- Department of Medical Oncology, University General Hospital of Larissa, 41221 Larissa, Thessaly, Greece; (F.K.); (E.C.); (V.L.); (C.A.)
| | - Vassiliki Leontopoulou
- Department of Medical Oncology, University General Hospital of Larissa, 41221 Larissa, Thessaly, Greece; (F.K.); (E.C.); (V.L.); (C.A.)
| | - Chrissovalantis Aidarinis
- Department of Medical Oncology, University General Hospital of Larissa, 41221 Larissa, Thessaly, Greece; (F.K.); (E.C.); (V.L.); (C.A.)
| | - Athanasios Kotsakis
- Department of Medical Oncology, University General Hospital of Larissa, 41221 Larissa, Thessaly, Greece; (F.K.); (E.C.); (V.L.); (C.A.)
- Laboratory of Oncology, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41500 Larissa, Thessaly, Greece;
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17
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Kinase Inhibitors' Effects on Innate Immunity in Solid Cancers. Cancers (Basel) 2021; 13:cancers13225695. [PMID: 34830850 PMCID: PMC8616517 DOI: 10.3390/cancers13225695] [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: 09/27/2021] [Revised: 11/05/2021] [Accepted: 11/11/2021] [Indexed: 12/16/2022] Open
Abstract
Simple Summary In this review, we evaluate the updated data of the immunological effects of kinase inhibitors on the innate immune system and provide an in-depth analysis of the underlying mechanisms. We also discuss how this immunological effect can be harnessed to improve cancer treatment and highlight recent successes, such as the combination with anti-tumor immunotherapy. Last, we explore novel kinase targets and the incorporation of them with targeted drug delivery techniques as promising research areas. Abstract Innate immune cells constitute a plastic and heterogeneous cell population of the tumor microenvironment. Because of their high tumor infiltration and close interaction with resident tumor cells, they are compelling targets for anti-cancer therapy through either ablation or functionally reprogramming. Kinase inhibitors (KIs) that target aberrant signaling pathways in tumor proliferation and angiogenesis have been shown to have additional immunological effects on myeloid cells that may contribute to a protective antitumor immune response. However, in patients with malignancies, these effects are poorly described, warranting meticulous research to identify KIs’ optimal immunomodulatory effect to support developing targeted and more effective immunotherapy. As many of these KIs are currently in clinical trials awaiting approval for the treatment of several types of solid cancer, we evaluate here the information on this drug class’s immunological effects and how such mechanisms can be harnessed to improve combined treatment regimens in cancer.
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18
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Yaseen MM, Abuharfeil NM, Darmani H. Myeloid-derived suppressor cells and the pathogenesis of human immunodeficiency virus infection. Open Biol 2021; 11:210216. [PMID: 34753323 PMCID: PMC8580465 DOI: 10.1098/rsob.210216] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
There are several mechanisms by which human immunodeficiency virus (HIV) can mediate immune dysfunction and exhaustion during the course of infection. Chronic immune activation, after HIV infection, seems to be a key driving force of such unwanted consequences, which in turn worsens the pathological status. In such cases, the immune system is programmed to initiate responses that counteract unwanted immune activation, for example through the expansion of myeloid-derived suppressor cells (MDSCs). Although the expansion of immune suppressor cells in the setting of systemic chronic immune activation, in theory, is expected to contain immune activation, HIV infection is still associated with a remarkably high level of biomarkers of immune activation. Paradoxically, the expansion of immune suppressor cells during HIV infection can suppress potent anti-viral immune responses, which in turn contribute to viral persistence and disease progression. This indicates that HIV hijacks not only immune activation but also the immune regulatory responses to its advantage. In this work, we aim to pave the way to comprehend how such unwanted expansion of MDSCs could participate in the pathology of acute/primary and chronic HIV infection in humans, as well as simian immunodeficiency virus infection in rhesus macaques, according to the available literature.
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Affiliation(s)
- Mahmoud Mohammad Yaseen
- Department of Biotechnology and Genetic Engineering, Faculty of Science and Arts, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Nizar Mohammad Abuharfeil
- Department of Biotechnology and Genetic Engineering, Faculty of Science and Arts, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Homa Darmani
- Department of Biotechnology and Genetic Engineering, Faculty of Science and Arts, Jordan University of Science and Technology, Irbid 22110, Jordan
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19
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Li K, Shi H, Zhang B, Ou X, Ma Q, Chen Y, Shu P, Li D, Wang Y. Myeloid-derived suppressor cells as immunosuppressive regulators and therapeutic targets in cancer. Signal Transduct Target Ther 2021; 6:362. [PMID: 34620838 PMCID: PMC8497485 DOI: 10.1038/s41392-021-00670-9] [Citation(s) in RCA: 232] [Impact Index Per Article: 77.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 02/21/2021] [Accepted: 06/01/2021] [Indexed: 02/05/2023] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are a heterogenic population of immature myeloid cells with immunosuppressive effects, which undergo massive expansion during tumor progression. These cells not only support immune escape directly but also promote tumor invasion via various non-immunological activities. Besides, this group of cells are proved to impair the efficiency of current antitumor strategies such as chemotherapy, radiotherapy, and immunotherapy. Therefore, MDSCs are considered as potential therapeutic targets for cancer therapy. Treatment strategies targeting MDSCs have shown promising outcomes in both preclinical studies and clinical trials when administrated alone, or in combination with other anticancer therapies. In this review, we shed new light on recent advances in the biological characteristics and immunosuppressive functions of MDSCs. We also hope to propose an overview of current MDSCs-targeting therapies so as to provide new ideas for cancer treatment.
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Affiliation(s)
- Kai Li
- Department of Thoracic Oncology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center, 610041, Chengdu, China
| | - Houhui Shi
- Department of Gynecology and Obstetrics, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, 610041, Chengdu, China
| | - Benxia Zhang
- Department of Thoracic Oncology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center, 610041, Chengdu, China
| | - Xuejin Ou
- Department of Thoracic Oncology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center, 610041, Chengdu, China
| | - Qizhi Ma
- Department of Thoracic Oncology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center, 610041, Chengdu, China
| | - Yue Chen
- Department of Thoracic Oncology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center, 610041, Chengdu, China
| | - Pei Shu
- Department of Thoracic Oncology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center, 610041, Chengdu, China
| | - Dan Li
- Institute of Respiratory Health, Frontiers Science Center for Disease-related Molecular Network, and Precision Medicine Center, Precision Medicine Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, 610041, Chengdu, China.
| | - Yongsheng Wang
- Department of Thoracic Oncology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center, 610041, Chengdu, China. .,Clinical Trial Center, West China Hospital, Sichuan University, 610041, Chengdu, China.
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20
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Becker T, Elbahesh H, Reperant LA, Rimmelzwaan GF, Osterhaus ADME. Influenza Vaccines: Successes and Continuing Challenges. J Infect Dis 2021; 224:S405-S419. [PMID: 34590139 PMCID: PMC8482026 DOI: 10.1093/infdis/jiab269] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Influenza vaccines have been available for over 80 years. They have contributed to significant reductions in influenza morbidity and mortality. However, there have been limitations in their effectiveness, in part due to the continuous antigenic evolution of seasonal influenza viruses, but also due to the predominant use of embryonated chicken eggs for their production. The latter furthermore limits their worldwide production timelines and scale. Therefore today, alternative approaches for their design and production are increasingly pursued, with already licensed quadrivalent seasonal influenza vaccines produced in cell cultures, including based on a baculovirus expression system. Next-generation influenza vaccines aim at inducing broader and longer-lasting immune responses to overcome seasonal influenza virus antigenic drift and to timely address the emergence of a new pandemic influenza virus. Tailored approaches target mechanisms to improve vaccine-induced immune responses in individuals with a weakened immune system, in particular older adults.
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Affiliation(s)
- Tanja Becker
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Husni Elbahesh
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
| | | | - Guus F Rimmelzwaan
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Albert D M E Osterhaus
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
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21
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Ren S, Xiong X, You H, Shen J, Zhou P. The Combination of Immune Checkpoint Blockade and Angiogenesis Inhibitors in the Treatment of Advanced Non-Small Cell Lung Cancer. Front Immunol 2021; 12:689132. [PMID: 34149730 PMCID: PMC8206805 DOI: 10.3389/fimmu.2021.689132] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 05/18/2021] [Indexed: 01/21/2023] Open
Abstract
Immune checkpoint blockade (ICB) has become a standard treatment for non-small cell lung cancer (NSCLC). However, most patients with NSCLC do not benefit from these treatments. Abnormal vasculature is a hallmark of solid tumors and is involved in tumor immune escape. These abnormalities stem from the increase in the expression of pro-angiogenic factors, which is involved in the regulation of the function and migration of immune cells. Anti-angiogenic agents can normalize blood vessels, and thus transforming the tumor microenvironment from immunosuppressive to immune-supportive by increasing the infiltration and activation of immune cells. Therefore, the combination of immunotherapy with anti-angiogenesis is a promising strategy for cancer treatment. Here, we outline the current understanding of the mechanisms of vascular endothelial growth factor/vascular endothelial growth factor receptor (VEGF/VEGFR) signaling in tumor immune escape and progression, and summarize the preclinical studies and current clinical data of the combination of ICB and anti-angiogenic drugs in the treatment of advanced NSCLC.
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Affiliation(s)
- Sijia Ren
- Taizhou Hospital, Zhejiang University School of Medicine, Taizhou, China
| | - Xinxin Xiong
- Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Hua You
- Medical Oncology Department, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China
| | - Jianfei Shen
- Taizhou Hospital, Zhejiang University School of Medicine, Taizhou, China
- *Correspondence: Jianfei Shen, ; Penghui Zhou,
| | - Penghui Zhou
- State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
- *Correspondence: Jianfei Shen, ; Penghui Zhou,
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22
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CAIX-specific CAR-T Cells and Sunitinib Show Synergistic Effects Against Metastatic Renal Cancer Models. J Immunother 2021; 43:16-28. [PMID: 31574023 DOI: 10.1097/cji.0000000000000301] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Treatment with chimeric antigen receptor-modified T cell (CAR-T) has demonstrated promising therapeutic efficacy in hematologic malignancies. However, the therapeutic efficacy is still very limited for solid tumors. An immunosuppressive microenvironment is one of the main reasons for the limited efficacy. Some chemotherapeutic agents exhibit immune microenvironment modulation. Therefore, combination with chemotherapeutic agents may be one of the promising strategies to enhance the therapeutic efficacy of CAR-T against solid tumors. Sunitinib modulates the antitumor immune response by improving T-cell infiltration and function while reducing immunosuppressive factors. The authors constructed a second-generation CAR targeting human renal cell carcinoma (RCC)-specific antigen carbonic anhydrase IX (CAIX) with the costimulatory domain of 4-1BB. The results of cytokine releasing and cell killing assays showed that the CAIX-CAR-T cells have specific effector functions against CAIX renal cancer cells in vitro. Combination therapy with CAIX-CAR-T and sunitinib showed synergistic efficacy against a mouse lung metastasis model of human RCC. CAIX-CAR-T cells in the mice of the combination therapy group showed stronger proliferation and tumor infiltration than that in the mice of the CAIX-CAR-T monotherapy group. The possible mechanisms of the synergistic efficacy are: (1) sunitinib caused upregulation of CAIX in tumor cells; (2) sunitinib decreased frequency of myeloid-derived suppressor cells in the tumor microenvironment. Our study supplied an innovative immunotherapeutic approach whereby combining CAIX-CAR-T with sunitinib induces a potent antitumor response in an experimental model of metastatic RCC. The combination strategy should be considered as a potential approach to augment adoptive CAR-T cell immunotherapy.
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23
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Mandula JK, Rodriguez PC. Tumor-related stress regulates functional plasticity of MDSCs. Cell Immunol 2021; 363:104312. [PMID: 33652258 PMCID: PMC8026602 DOI: 10.1016/j.cellimm.2021.104312] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 01/15/2021] [Accepted: 01/29/2021] [Indexed: 12/15/2022]
Abstract
Myeloid-derived suppressor cells (MDSCs) impair protective anti-tumor immunity and remain major obstacles that stymie the effectiveness of promising cancer therapies. Diverse tumor-derived stressors galvanize the differentiation, intra-tumoral expansion, and immunomodulatory function of MDSCs. These tumor-associated 'axes of stress' underwrite the immunosuppressive programming of MDSCs in cancer and contribute to the phenotypic/functional heterogeneity that characterize tumor-MDSCs. This review discusses various tumor-associated axes of stress that direct MDSC development, accumulation, and immunosuppressive function, as well as current strategies aimed at overcoming the detrimental impact of MDSCs in cancer. To better understand the constellation of signals directing MDSC biology, we herein summarize the pivotal roles, signaling mediators, and effects of reactive oxygen/nitrogen species-related stress, chronic inflammatory stress, hypoxia-linked stress, endoplasmic reticulum stress, metabolic stress, and therapy-associated stress on MDSCs. Although therapeutic targeting of these processes remains mostly pre-clinical, intercepting signaling through the axes of stress could overcome MDSC-related immune suppression in tumor-bearing hosts.
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Affiliation(s)
- Jessica K Mandula
- Department of Immunology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Paulo C Rodriguez
- Department of Immunology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA.
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24
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Frosch J, Leontari I, Anderson J. Combined Effects of Myeloid Cells in the Neuroblastoma Tumor Microenvironment. Cancers (Basel) 2021; 13:1743. [PMID: 33917501 PMCID: PMC8038814 DOI: 10.3390/cancers13071743] [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: 03/15/2021] [Revised: 04/02/2021] [Accepted: 04/02/2021] [Indexed: 12/13/2022] Open
Abstract
Despite multimodal treatment, survival chances for high-risk neuroblastoma patients remain poor. Immunotherapeutic approaches focusing on the activation and/or modification of host immunity for eliminating tumor cells, such as chimeric antigen receptor (CAR) T cells, are currently in development, however clinical trials have failed to reproduce the preclinical results. The tumor microenvironment is emerging as a major contributor to immune suppression and tumor evasion in solid cancers and thus has to be overcome for therapies relying on a functional immune response. Among the cellular components of the neuroblastoma tumor microenvironment, suppressive myeloid cells have been described as key players in inhibition of antitumor immune responses and have been shown to positively correlate with more aggressive disease, resistance to treatments, and overall poor prognosis. This review article summarizes how neuroblastoma-driven inflammation induces suppressive myeloid cells in the tumor microenvironment and how they in turn sustain the tumor niche through suppressor functions, such as nutrient depletion and generation of oxidative stress. Numerous preclinical studies have suggested a range of drug and cellular therapy approaches to overcome myeloid-derived suppression in neuroblastoma that warrant evaluation in future clinical studies.
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Affiliation(s)
| | | | - John Anderson
- UCL Institute of Child Health, Developmental Biology and Cancer Section, University College London, London WC1N 1EH, UK; (J.F.); (I.L.)
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25
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Li Z, Liu Y, Fang X, Shu Z. Nanomaterials Enhance the Immunomodulatory Effect of Molecular Targeted Therapy. Int J Nanomedicine 2021; 16:1631-1661. [PMID: 33688183 PMCID: PMC7935456 DOI: 10.2147/ijn.s290346] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 01/23/2021] [Indexed: 01/22/2023] Open
Abstract
Molecular targeted therapy, a tumor therapy strategy that inhibits specific oncogenic targets, has been shown to modulate the immune response. In addition to directly inhibiting the proliferation and metastasis of tumor cells, molecular targeted drugs can activate the immune system through a variety of mechanisms, including by promoting tumor antigen processing and presentation, increasing intratumoral T cell infiltration, enhancing T cell activation and function, and attenuating the immunosuppressive effect of the tumor microenvironment. However, poor water solubility, insufficient accumulation at the tumor site, and nonspecific targeting of immune cells limit their application. To this end, a variety of nanomaterials have been developed to overcome these obstacles and amplify the immunomodulatory effects of molecular targeted drugs. In this review, we summarize the impact of molecular targeted drugs on the antitumor immune response according to their mechanisms, highlight the advantages of nanomaterials in enhancing the immunomodulatory effect of molecular targeted therapy, and discuss the current challenges and future prospects.
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Affiliation(s)
- Zhongmin Li
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, 130033, People's Republic of China
| | - Yilun Liu
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, 130033, People's Republic of China
| | - Xuedong Fang
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, 130033, People's Republic of China
| | - Zhenbo Shu
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, 130033, People's Republic of China
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26
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Stühler V, Rausch S, Maas JM, Stenzl A, Bedke J. Combination of immune checkpoint inhibitors and tyrosine kinase inhibitors for the treatment of renal cell carcinoma. Expert Opin Biol Ther 2021; 21:1215-1226. [PMID: 33576709 DOI: 10.1080/14712598.2021.1890713] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
INTRODUCTION We have experienced several paradigm shifts and substantial changes in the treatment of metastatic renal cell carcinoma (mRCC) over the last two decades. Combination therapy with immune checkpoint inhibitors (ICI) as a dual combination (ICI-ICI) or with VEGFR-tyrosine kinase inhibitors (VEGF-TKI) has shown remarkable efficacy in mRCC patients and has become the standard of care in first-line therapy. AREAS COVERED In this review, we will discuss the background as well as the benefits of combining ICI with TKI compared to ICI-ICI combination therapy for mRCC treatment and will also briefly highlight biomarkers for patient selection on therapies to improve patient outcomes and limit toxicities. EXPERT OPINION Due to the mediated additional anti-tumor effects, there is a strong rationale to combine ICIs and TKIs for mRCC therapy. When comparing first-line therapy options, the exceptionally higher ORR and PFS for the ICI-TKI combinations should be highlighted, whereas, nevertheless, the complete response rate is slightly higher for the ICI-ICI combination. In terms of an individualized therapeutic approach, biomarkers predicting the success or failure of an anti-VEGF-based regimen or ICI therapy as a corresponding mono - or combination therapy are lacking so far, however, gene expression signatures can be a landmark in this field.
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Affiliation(s)
- Viktoria Stühler
- Department of Urology, University Hospital Tübingen, Eberhard-Karls-University Tübingen, Tübingen, Germany
| | - Steffen Rausch
- Department of Urology, University Hospital Tübingen, Eberhard-Karls-University Tübingen, Tübingen, Germany
| | - Jan Moritz Maas
- Department of Urology, University Hospital Tübingen, Eberhard-Karls-University Tübingen, Tübingen, Germany
| | - Arnulf Stenzl
- Department of Urology, University Hospital Tübingen, Eberhard-Karls-University Tübingen, Tübingen, Germany
| | - Jens Bedke
- Department of Urology, University Hospital Tübingen, Eberhard-Karls-University Tübingen, Tübingen, Germany
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Greve P, Meyer-Wentrup FAG, Peperzak V, Boes M. Upcoming immunotherapeutic combinations for B-cell lymphoma. IMMUNOTHERAPY ADVANCES 2021; 1:ltab001. [PMID: 35919738 PMCID: PMC9326875 DOI: 10.1093/immadv/ltab001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 12/11/2020] [Accepted: 01/09/2021] [Indexed: 11/13/2022] Open
Abstract
After initial introduction for B-cell lymphomas as adjuvant therapies to established cancer treatments, immune checkpoint inhibitors and other immunotherapies are now integrated in mainstream regimens, both in adult and pediatric patients. We here provide an overview of the current status of combination therapies for B-cell lymphoma, by in-depth analysis of combination therapy trials registered between 2015–2020. Our analysis provides new insight into the rapid evolution in lymphoma treatment, as propelled by new additions to the treatment arsenal. We conclude with prospects on upcoming clinical trials which will likely use systematic testing approaches of more combinations of established chemotherapy regimens with new agents, as well as new combinations of immunotherapy and targeted therapy. Future trials will be set up as basket or umbrella-type trials to facilitate the evaluation of new drugs targeting specific genetic changes in the tumor or associated immune microenvironment. As such, lymphoma patients will benefit by receiving more tailored treatment that is based on synergistic effects of chemotherapy combined with new agents targeting specific aspects of tumor biology and the immune system.
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Affiliation(s)
- Patrick Greve
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
- Department of Hematology-Oncology, Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | | | - Victor Peperzak
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Marianne Boes
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
- Department of Pediatrics, University Medical Center Utrecht, Utrecht, The Netherlands
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Fu SY, Wang CC, Chen FH, Yu CF, Hong JH, Chiang CS. Sunitinib Treatment-elicited Distinct Tumor Microenvironment Dramatically Compensated the Reduction of Myeloid-derived Suppressor Cells. In Vivo 2021; 34:1141-1152. [PMID: 32354903 DOI: 10.21873/invivo.11886] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 03/23/2020] [Accepted: 03/24/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND/AIM The clinical response rate of prostate cancer to tyrosine kinase inhibitor (TKI) monotherapy is low. The mechanisms of resistance to TKI are unclear. This study aimed to examine if the tumor microenvironment (TME) is involved in the resistance. MATERIALS AND METHODS The anti-vascular effect of Sutent was examined by immunofluorescent staining in TRAMP-C1 tumor. The percentage of CD11b+ population were analyzed by flow cytometry. The level of cytokines and chemokines were measured by multiplex immunoassay. RESULTS The Sutent monotherapy caused 1.5 days of tumor growth delay, chronic hypoxia, and more mature vasculature. Sutent monotherapy increased the percentage of polymorphonuclear myeloid-derived suppressor cells (MDSCs) in peripheral blood. The evolved TME triggered the re-distribution of myeloid cells in chronically hypoxic areas. The multiplex immunoassay indicated higher levels of several cytokines and chemokines both in tumors and the blood. CONCLUSION Sunitinib treatment induced a distinct tumor microenvironment that impaired the efficient reduction of MDSCs by TKI.
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Affiliation(s)
- Sheng-Yung Fu
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan, R.O.C.,Radiation Biology Research Center, Institute for Radiological Research, Chang Gung Memorial Hospital/Chang Gung University, Taoyuan, Taiwan, R.O.C
| | - Chun-Chieh Wang
- Radiation Biology Research Center, Institute for Radiological Research, Chang Gung Memorial Hospital/Chang Gung University, Taoyuan, Taiwan, R.O.C.,Department of Medical Imaging and Radiological Sciences, Chang Gung University, Taoyuan, Taiwan, R.O.C.,Department of Radiation Oncology, Chang Gung Memorial Hospital Linkou Branch, Taoyuan, Taiwan, R.O.C
| | - Fang-Hsin Chen
- Radiation Biology Research Center, Institute for Radiological Research, Chang Gung Memorial Hospital/Chang Gung University, Taoyuan, Taiwan, R.O.C.,Department of Medical Imaging and Radiological Sciences, Chang Gung University, Taoyuan, Taiwan, R.O.C.,Department of Radiation Oncology, Chang Gung Memorial Hospital Linkou Branch, Taoyuan, Taiwan, R.O.C
| | - Ching-Fang Yu
- Radiation Biology Research Center, Institute for Radiological Research, Chang Gung Memorial Hospital/Chang Gung University, Taoyuan, Taiwan, R.O.C.,Department of Radiation Oncology, Chang Gung Memorial Hospital Linkou Branch, Taoyuan, Taiwan, R.O.C
| | - Ji-Hong Hong
- Radiation Biology Research Center, Institute for Radiological Research, Chang Gung Memorial Hospital/Chang Gung University, Taoyuan, Taiwan, R.O.C. .,Department of Medical Imaging and Radiological Sciences, Chang Gung University, Taoyuan, Taiwan, R.O.C.,Department of Radiation Oncology, Chang Gung Memorial Hospital Linkou Branch, Taoyuan, Taiwan, R.O.C
| | - Chi-Shiun Chiang
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan, R.O.C. .,Institute of Nuclear Engineering and Science, National Tsing Hua University, Hsinchu, Taiwan, R.O.C.,Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, Taiwan, R.O.C
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Li JY, Chen YP, Li YQ, Liu N, Ma J. Chemotherapeutic and targeted agents can modulate the tumor microenvironment and increase the efficacy of immune checkpoint blockades. Mol Cancer 2021; 20:27. [PMID: 33541368 PMCID: PMC7863268 DOI: 10.1186/s12943-021-01317-7] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 01/19/2021] [Indexed: 02/06/2023] Open
Abstract
The development of immune checkpoint blockade (ICB)-based immunotherapy has dramatically changed methods of cancer treatment. This approach triggers a durable treatment response and prolongs patients' survival; however, not all patients can benefit. Accumulating evidence demonstrated that the efficacy of ICB is dependent on a robust antitumor immune response that is usually damaged in most tumors. Conventional chemotherapy and targeted therapy promote the antitumor immune response by increasing the immunogenicity of tumor cells, improving CD8+ T cell infiltration, or inhibiting immunosuppressive cells in the tumor microenvironment. Such immunomodulation provides a convincing rationale for the combination therapy of chemotherapeutics and ICBs, and both preclinical and clinical investigations have shown encouraging results. However, the optimal drug combinations, doses, timing, and sequence of administration, all of which affect the immunomodulatory effect of chemotherapeutics, as well as the benefit of combination therapy, are not yet determined. Future studies should focus on these issues and help to develop the optimal combination regimen for each cancer.
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Affiliation(s)
- Jun-Yan Li
- Department of Radiation Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou, 510060, People's Republic of China
| | - Yu-Pei Chen
- Department of Radiation Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou, 510060, People's Republic of China
| | - Ying-Qin Li
- Department of Radiation Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou, 510060, People's Republic of China
| | - Na Liu
- Department of Radiation Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou, 510060, People's Republic of China
| | - Jun Ma
- Department of Radiation Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou, 510060, People's Republic of China.
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Stühler V, Rausch S, Stenzl A, Bedke J. Genetic analysis of primary renal cell carcinoma to determine treatment approaches. EXPERT REVIEW OF PRECISION MEDICINE AND DRUG DEVELOPMENT 2021. [DOI: 10.1080/23808993.2021.1874822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Viktoria Stühler
- Department of Urology, University Hospital Tuebingen, Eberhard-Karls-University Tuebingen, Tuebingen, Germany
| | - Steffen Rausch
- Department of Urology, University Hospital Tuebingen, Eberhard-Karls-University Tuebingen, Tuebingen, Germany
| | - Arnulf Stenzl
- Department of Urology, University Hospital Tuebingen, Eberhard-Karls-University Tuebingen, Tuebingen, Germany
| | - Jens Bedke
- Department of Urology, University Hospital Tuebingen, Eberhard-Karls-University Tuebingen, Tuebingen, Germany
- German Cancer Consortium (DKTK), Partner Site Tuebingen, Tuebingen, Germany
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Singh L, Muise ES, Bhattacharya A, Grein J, Javaid S, Stivers P, Zhang J, Qu Y, Joyce-Shaikh B, Loboda A, Zhang C, Meehl M, Chiang DY, Ranganath SH, Rosenzweig M, Brandish PE. ILT3 (LILRB4) Promotes the Immunosuppressive Function of Tumor-Educated Human Monocytic Myeloid-Derived Suppressor Cells. Mol Cancer Res 2020; 19:702-716. [PMID: 33372059 DOI: 10.1158/1541-7786.mcr-20-0622] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 10/28/2020] [Accepted: 12/17/2020] [Indexed: 11/16/2022]
Abstract
Myeloid-derived suppressor cells (MDSC) are immature myeloid cells that accumulate in the tumor microenvironment (TME). MDSCs have been shown to dampen antitumor immune responses and promote tumor growth; however, the mechanisms of MDSC induction and their role in promoting immune suppression in cancer remain poorly understood. Here, we characterized the phenotype and function of monocytic MDSCs (M-MDSC) generated by coculture of human peripheral blood mononuclear cells with SK-MEL-5 cancer cells in vitro. We selected the SK-MEL-5 human melanoma cell line to generate M-MDSCs because these cells form subcutaneous tumors rich in myeloid cells in humanized mice. M-MDSCs generated via SK-MEL-5 coculture expressed low levels of human leukocyte antigen (HLA)-DR, high levels of CD33 and CD11b, and suppressed both CD8+ T-cell proliferation and IFNγ secretion. M-MDSCs also expressed higher levels of immunoglobulin-like transcript 3 (ILT3, also known as LILRB4) and immunoglobulin-like transcript 4 (ILT4, also known as LILRB2) on the cell surface compared with monocytes. Therefore, we investigated how ILT3 targeting could modulate M-MDSC cell function. Treatment with an anti-ILT3 antibody impaired the acquisition of the M-MDSC suppressor phenotype and reduced the capacity of M-MDSCs to cause T-cell suppression. Finally, in combination with anti-programmed cell death protein 1 (PD1), ILT3 blockade enhanced T-cell activation as assessed by IFNγ secretion. IMPLICATIONS: These results suggest that ILT3 expressed on M-MDSCs has a role in inducing immunosuppression in cancer and that antagonism of ILT3 may be useful to reverse the immunosuppressive function of M-MDSCs and enhance the efficacy of immune checkpoint inhibitors.
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Affiliation(s)
- Latika Singh
- Discovery Oncology, Merck & Co., Inc., Boston, Massachusetts.
| | - Eric S Muise
- Genetics and Pharmacogenomics, Merck & Co., Inc., Boston, Massachusetts
| | | | - Jeff Grein
- Genetics and Pharmacogenomics, Merck & Co., Inc., South San Francisco, California
| | - Sarah Javaid
- Genetics and Pharmacogenomics, Merck & Co., Inc., Boston, Massachusetts
| | - Peter Stivers
- Discovery Oncology, Merck & Co., Inc., Boston, Massachusetts
| | - Jun Zhang
- Immunology, Merck & Co., Inc., Boston, Massachusetts
| | - Yujie Qu
- Immunology, Merck & Co., Inc., Boston, Massachusetts
| | | | - Andrey Loboda
- Genetics and Pharmacogenomics, Merck & Co., Inc., Boston, Massachusetts
| | - Chunsheng Zhang
- Genetics and Pharmacogenomics, Merck & Co., Inc., Boston, Massachusetts
| | - Michael Meehl
- Biologics Discovery, Merck & Co., Inc., Boston, Massachusetts
| | - Derek Y Chiang
- Genetics and Pharmacogenomics, Merck & Co., Inc., Boston, Massachusetts
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VEGF165b augments NK92 cytolytic activity against human K562 leukemia cells by upregulating the levels of perforin and granzyme B via the VEGR1-PLC pathway. Mol Immunol 2020; 128:41-46. [PMID: 33068832 DOI: 10.1016/j.molimm.2020.09.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 08/17/2020] [Accepted: 09/07/2020] [Indexed: 11/21/2022]
Abstract
Pro-angiogenic Vascular endothelial growth factors (VEGFs) exert immunosuppressive functions on some immune cells by interacting with VEGF receptors. Blocking the VEGF/VEGFR pathway could reverse the tumor immunosuppressive microenvironment to some degree. We recently demonstrated that the anti-angiogenic VEGF isoform VEGF165b, similar to other anti-angiogenic agents, inhibit the accumulation immunosuppressive cells such as Tregs and MDSCs. However, whether VEGF165b affects the functions of immune effector cells remain unclear. Here, NK92 cell line was utilized as an immune effector cell model. Our results verified that NK92 cells endogenously express VEGF165 and VEGFR1. Further investigation showed that NK92 treatment with VEGF165b augments its killing ability against human K562 leukemia cells by upregulating perforin and granzyme B through the VEGFR1-PLC pathway, whereas VEGF165b had no impact on the proliferation of NK92 cells in vitro. The results of this study improve our understanding of the immunomodulatory function of VEGF165b, which may help in enhancing the efficacy of NK92-based cancer immunotherapy.
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Zizzari IG, Napoletano C, Di Filippo A, Botticelli A, Gelibter A, Calabrò F, Rossi E, Schinzari G, Urbano F, Pomati G, Scagnoli S, Rughetti A, Caponnetto S, Marchetti P, Nuti M. Exploratory Pilot Study of Circulating Biomarkers in Metastatic Renal Cell Carcinoma. Cancers (Basel) 2020; 12:cancers12092620. [PMID: 32937860 PMCID: PMC7563741 DOI: 10.3390/cancers12092620] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/07/2020] [Accepted: 09/09/2020] [Indexed: 12/19/2022] Open
Abstract
Simple Summary The identification of biomarkers in response to therapeutic treatment is one of the main objectives of personalized oncology. Predictive biomarkers are particularly relevant for oncologists challenged by the busy scenario of possible therapeutic options in mRCC patients, including immunotherapy and TKIs. In fact the activation of the immune system can determine the outcome and success of the different therapeutic strategies. In this study we evaluated changes in the immune system of TKI mRCC-treated patients defining immunological profiles related to response characterized by specific biomarkers. The validation of the proposed immune portrait to an extended number of patients could allow characterization and selection of responsive and non-responsive patients from the beginning of the therapeutic process. Abstract With the introduction of immune checkpoint inhibitors (ICIs) and next-generation vascular endothelial growth factor receptor–tyrosine kinase inhibitors (VEGFR–TKIs), the survival of patients with advanced renal cell carcinoma (RCC) has improved remarkably. However, not all patients have benefited from treatments, and to date, there are still no validated biomarkers that can be included in the therapeutic algorithm. Thus, the identification of predictive biomarkers is necessary to increase the number of responsive patients and to understand the underlying immunity. The clinical outcome of RCC patients is, in fact, associated with immune response. In this exploratory pilot study, we assessed the immune effect of TKI therapy in order to evaluate the immune status of metastatic renal cell carcinoma (mRCC) patients so that we could define a combination of immunological biomarkers relevant to improving patient outcomes. We profiled the circulating levels in 20 mRCC patients of exhausted/activated/regulatory T cell subsets through flow cytometry and of 14 immune checkpoint-related proteins and 20 inflammation cytokines/chemokines using multiplex Luminex assay, both at baseline and during TKI therapy. We identified the CD3+CD8+CD137+ and CD3+CD137+PD1+ T cell populations, as well as seven soluble immune molecules (i.e., IFNγ, sPDL2, sHVEM, sPD1, sGITR, sPDL1, and sCTLA4) associated with the clinical responses of mRCC patients, either modulated by TKI therapy or not. These results suggest an immunological profile of mRCC patients, which will help to improve clinical decision-making for RCC patients in terms of the best combination of strategies, as well as the optimal timing and therapeutic sequence.
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Affiliation(s)
- Ilaria Grazia Zizzari
- Laboratory of Tumor Immunology and Cell Therapy, Department of Experimental Medicine, Policlinico Umberto I, “Sapienza” University of Rome, 00161 Rome, Italy; (I.G.Z.); (A.D.F.); (A.R.); (M.N.)
| | - Chiara Napoletano
- Laboratory of Tumor Immunology and Cell Therapy, Department of Experimental Medicine, Policlinico Umberto I, “Sapienza” University of Rome, 00161 Rome, Italy; (I.G.Z.); (A.D.F.); (A.R.); (M.N.)
- Correspondence: ; Tel.: +39-064-997-3025
| | - Alessandra Di Filippo
- Laboratory of Tumor Immunology and Cell Therapy, Department of Experimental Medicine, Policlinico Umberto I, “Sapienza” University of Rome, 00161 Rome, Italy; (I.G.Z.); (A.D.F.); (A.R.); (M.N.)
| | - Andrea Botticelli
- Division of Oncology, Department of Radiological, Oncological and Pathological Science, Policlinico Umberto I, “Sapienza” University of Rome, 00161 Rome, Italy; (A.B.); (A.G.); (F.U.); (G.P.); (S.S.); (S.C.); (P.M.)
| | - Alain Gelibter
- Division of Oncology, Department of Radiological, Oncological and Pathological Science, Policlinico Umberto I, “Sapienza” University of Rome, 00161 Rome, Italy; (A.B.); (A.G.); (F.U.); (G.P.); (S.S.); (S.C.); (P.M.)
| | - Fabio Calabrò
- Division of Medical Oncology B, San Camillo Forlanini Hospital Rome, 00149 Rome, Italy;
| | - Ernesto Rossi
- Department of Medical Oncology, Fondazione Policlinico A.Gemelli Rome, 00168 Rome, Italy; (E.R.); (G.S.)
| | - Giovanni Schinzari
- Department of Medical Oncology, Fondazione Policlinico A.Gemelli Rome, 00168 Rome, Italy; (E.R.); (G.S.)
| | - Federica Urbano
- Division of Oncology, Department of Radiological, Oncological and Pathological Science, Policlinico Umberto I, “Sapienza” University of Rome, 00161 Rome, Italy; (A.B.); (A.G.); (F.U.); (G.P.); (S.S.); (S.C.); (P.M.)
| | - Giulia Pomati
- Division of Oncology, Department of Radiological, Oncological and Pathological Science, Policlinico Umberto I, “Sapienza” University of Rome, 00161 Rome, Italy; (A.B.); (A.G.); (F.U.); (G.P.); (S.S.); (S.C.); (P.M.)
| | - Simone Scagnoli
- Division of Oncology, Department of Radiological, Oncological and Pathological Science, Policlinico Umberto I, “Sapienza” University of Rome, 00161 Rome, Italy; (A.B.); (A.G.); (F.U.); (G.P.); (S.S.); (S.C.); (P.M.)
| | - Aurelia Rughetti
- Laboratory of Tumor Immunology and Cell Therapy, Department of Experimental Medicine, Policlinico Umberto I, “Sapienza” University of Rome, 00161 Rome, Italy; (I.G.Z.); (A.D.F.); (A.R.); (M.N.)
| | - Salvatore Caponnetto
- Division of Oncology, Department of Radiological, Oncological and Pathological Science, Policlinico Umberto I, “Sapienza” University of Rome, 00161 Rome, Italy; (A.B.); (A.G.); (F.U.); (G.P.); (S.S.); (S.C.); (P.M.)
| | - Paolo Marchetti
- Division of Oncology, Department of Radiological, Oncological and Pathological Science, Policlinico Umberto I, “Sapienza” University of Rome, 00161 Rome, Italy; (A.B.); (A.G.); (F.U.); (G.P.); (S.S.); (S.C.); (P.M.)
- Division of Oncology, Department of Clinical and Molecular Medicine, Ospedale Sant’Andrea, “Sapienza” University of Rome, 00189 Rome, Italy
| | - Marianna Nuti
- Laboratory of Tumor Immunology and Cell Therapy, Department of Experimental Medicine, Policlinico Umberto I, “Sapienza” University of Rome, 00161 Rome, Italy; (I.G.Z.); (A.D.F.); (A.R.); (M.N.)
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Zeng D, Long H, Zhu B. Antitumor effects of targeting myeloid-derived suppressive cells. Transl Cancer Res 2020; 9:5787-5797. [PMID: 35117939 PMCID: PMC8798346 DOI: 10.21037/tcr.2020.01.52] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 01/02/2020] [Indexed: 01/13/2023]
Abstract
Myeloid-derived suppressor cells (MDSCs) are a heterogeneous population of immature myeloid cells with major regulatory functions, which are expanded in pathological conditions, including cancers, infections and autoimmune diseases. Evidence has identified MDSCs as critical cells driving immune suppression in tumor microenvironments. Treatments targeting MDSCs have shown promising results in preclinical studies and some clinical trials. In this review, we discuss therapeutic approaches targeting MDSCs, which may benefit future study.
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Affiliation(s)
- Dong Zeng
- Institute of Cancer, Xinqiao Hospital, Army Medical University, Chongqing, China
| | - Haixia Long
- Institute of Cancer, Xinqiao Hospital, Army Medical University, Chongqing, China
| | - Bo Zhu
- Institute of Cancer, Xinqiao Hospital, Army Medical University, Chongqing, China
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Sun B, Hyun H, Li LT, Wang AZ. Harnessing nanomedicine to overcome the immunosuppressive tumor microenvironment. Acta Pharmacol Sin 2020; 41:970-985. [PMID: 32424240 PMCID: PMC7470849 DOI: 10.1038/s41401-020-0424-4] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 04/20/2020] [Indexed: 02/06/2023] Open
Abstract
Cancer immunotherapy has received extensive attention due to its ability to activate the innate or adaptive immune systems of patients to combat tumors. Despite a few clinical successes, further endeavors are still needed to tackle unresolved issues, including limited response rates, development of resistance, and immune-related toxicities. Accumulating evidence has pinpointed the tumor microenvironment (TME) as one of the major obstacles in cancer immunotherapy due to its detrimental impacts on tumor-infiltrating immune cells. Nanomedicine has been battling with the TME in the past several decades, and the experience obtained could be exploited to improve current paradigms of immunotherapy. Here, we discuss the metabolic features of the TME and its influence on different types of immune cells. The recent progress in nanoenabled cancer immunotherapy has been summarized with a highlight on the modulation of immune cells, tumor stroma, cytokines and enzymes to reverse the immunosuppressive TME.
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Duan XL, Guo JP, Li F, Xiu C, Wang H. Sunitinib inhibits PD-L1 expression in osteosarcoma by targeting STAT3 and remodels the immune system in tumor-bearing mice. Future Oncol 2020; 16:1815-1824. [PMID: 32511016 DOI: 10.2217/fon-2019-0725] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Aim: Exploring the mechanisms of the combination therapy using VEGFR-TKI and immune checkpoint inhibitors might be useful to control the development of osteosarcoma. Materials & methods: The expression of PD-L1 and STAT3 in osteosarcoma were determined with western blot. Proliferation, migration and invasion were determined with CCK-8 and Transwell assays. Lung metastases, tumor growth, survival and immune cell populations were performed in tumor-bearing mice. Results: Sunitinib reduced the expression of PD-L1 by inhibiting the activation of STAT3 and suppressed the migration and invasion in osteosarcoma cells. Combination therapy reduced lung metastases, tumor growth, improved survival and reverse tumor microenvironment in tumor-bearing mice. Conclusion: Sunitinib inhibits PD-L1 expression by targeting STAT3 and remodels the immune system in tumor-bearing mice.
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Affiliation(s)
- Xian Liang Duan
- The Second Department of Orthopedic, The Affiliated Hospital of Beihua University, Jilin 132011, PR China
| | - Jian Ping Guo
- The Second Department of Orthopedic, The Affiliated Hospital of Beihua University, Jilin 132011, PR China
| | - Fan Li
- The Second Department of Orthopedic, The Affiliated Hospital of Beihua University, Jilin 132011, PR China
| | - Chao Xiu
- Medical Imaging Center, The Affiliated Hospital of Beihua University, Jilin 132011, PR China
| | - Hua Wang
- The Department of Orthopedic, The Affiliated Hospital of Beihua University, Jilin 132011, PR China
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Zhang H, Xia W, Liang C, Wang X, Zhi L, Guo C, Niu Z, Zhu W. VEGF165b and its mutant demonstrate immunomodulatory, not merely anti-angiogenic functions, in tumor-bearing mice. Mol Immunol 2020; 122:132-140. [PMID: 32353584 DOI: 10.1016/j.molimm.2020.04.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 04/08/2020] [Accepted: 04/09/2020] [Indexed: 12/21/2022]
Abstract
A great deal of evidence has shown that anti-angiogenic molecules and antibodies targeting the VEGF-A/VEGFRs signal pathway can also reverse tumor-induced immunosuppression to an extent. VEGF165b, an anti-angiogenic VEGF-A isoform, has demonstrated capacity as an efficacious anti-tumor therapy in mice as an anti-angiogenic agent. However, whether VEGF165b also plays an immunomodulatory role in anti-tumor field remains unclear. mVEGF165b effect on regulatory T cells (Tregs) in vitro were evaluated using flow cytometry and Cell Counting Kit-8 (CCK-8) methods. Its effects on Tregs (or Foxp3 expressing cells) and myeloid-derived suppressor cells (MDSCs) were analyzed in vivo using flow cytometry and immunostaining techniques. In this study, we found VEGF165b and its mutant (its half-life in plasma was extended 10 times while retaining its bioactivity; the VEGF165b mutant is called mVEGF165b for short) inhibited the proliferation of Tregs in vitro. In addition, mVEGF165b dramatically inhibited the accumulation of MDSCs and Tregs (or Foxp3 expressing cells) in the spleen and tumor in tumor-bearing mice. In conclusion, our findings demonstrated for the first time that VEGF165b and its mutant has immunoregulatory functions. It may be used as a potential immunomodulatory agent, beyond its anti-angiogenic capacities, in cancer therapies.
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Affiliation(s)
- Huiyong Zhang
- Synthetic Biology Engineering Lab of Henan Province, School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, Henan Province, 453003, PR China.
| | - Wenjiao Xia
- Synthetic Biology Engineering Lab of Henan Province, School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, Henan Province, 453003, PR China
| | - Chen Liang
- Synthetic Biology Engineering Lab of Henan Province, School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, Henan Province, 453003, PR China
| | - Xiaoyin Wang
- Synthetic Biology Engineering Lab of Henan Province, School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, Henan Province, 453003, PR China
| | - Lingtong Zhi
- Synthetic Biology Engineering Lab of Henan Province, School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, Henan Province, 453003, PR China
| | - Changjiang Guo
- Synthetic Biology Engineering Lab of Henan Province, School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, Henan Province, 453003, PR China
| | - Zhiyuan Niu
- Synthetic Biology Engineering Lab of Henan Province, School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, Henan Province, 453003, PR China
| | - Wuling Zhu
- Synthetic Biology Engineering Lab of Henan Province, School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, Henan Province, 453003, PR China.
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Domvri K, Petanidis S, Anestakis D, Porpodis K, Bai C, Zarogoulidis P, Freitag L, Hohenforst-Schmidt W, Katopodi T. Dual photothermal MDSCs-targeted immunotherapy inhibits lung immunosuppressive metastasis by enhancing T-cell recruitment. NANOSCALE 2020; 12:7051-7062. [PMID: 32186564 DOI: 10.1039/d0nr00080a] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Immunosuppressive chemoresistance is a major barrier in lung cancer treatment. However, the immunosuppressive mechanisms responsible for lung cancer cell chemoresistance and tumor relapse are still unknown. In this study, we introduce a model of precise immunosuppressive-based nanotherapy by designing and delivering biocompatible MDSC-targeted nanocarriers (NCs) into the lung tumor microenvironment. This is accomplished by conjugating l-Norvaline and Sunitinib integrated into biodegradable nanosomes in order to facilitate inhibition of tumor-supporting immunosuppression. Findings show that treatment with NCs increased apoptosis and significantly reduced tumor volume and Ki-67 antigen expression respectively. Biodistribution analysis revealed an increase in drug circulation time, as well as a greater accumulation in lung and peripheral tissues. Furthermore, an upregulation of tumor infiltrating lymphocytes expression was observed, especially CD8+ T cells by 27%, and CD4+ T cells by 7% compared to PBS treatment. The presence of CD161+ (NK1.1) cells revealed NK cell activation followed by decreased MDSC infiltration and MDSC subsets were characterized by the reduction of Gr/CD11b cell population in blood and tissue samples. In addition, these nanospheres, showed increased PTT efficiency and tumour targeting ability as evidenced by highly efficient tumour ablation under near infrared (NIR) exposure. Significant tumor reduction was observed due to recruitment of cytotoxic T-lymphocytes, followed by downregulation of immunosuppressive Foxp3+ Treg cells. Taken together, our findings provide a novel nanodrug delivery strategy for the inhibition of MDSC-related immunosuppression in lung tumor microenvironment and provide a new approach for the efficient treatment of metastatic cancer.
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Affiliation(s)
- Kalliopi Domvri
- Pulmonary Department-Oncology Unit, "G. Papanikolaou" General Hospital, Aristotle University of Thessaloniki, Thessaloniki, 57010, Greece
| | - Savvas Petanidis
- Department of Medicine, Laboratory of Medical Biology and Genetics, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece. and Department of Pulmonology, I.M. Sechenov First Moscow State Medical University, Moscow, 119992, Russian Federation
| | - Doxakis Anestakis
- Department of Medicine, Laboratory of Medical Biology and Genetics, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece. and Department of Pulmonology, I.M. Sechenov First Moscow State Medical University, Moscow, 119992, Russian Federation and Department of Medicine, Laboratory of Forensic Medicine and Toxicology, Aristotle University of Thessaloniki, 54124, Greece
| | - Konstantinos Porpodis
- Pulmonary Department-Oncology Unit, "G. Papanikolaou" General Hospital, Aristotle University of Thessaloniki, Thessaloniki, 57010, Greece
| | - Chong Bai
- Department of Respiratory & Critical Care Medicine, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
| | - Paul Zarogoulidis
- Third Department of Surgery, "AHEPA" University Hospital, Aristotle University of Thessaloniki, 55236 Thessaloniki, Greece
| | - Lutz Freitag
- Department of Pulmonology, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland
| | | | - Theodora Katopodi
- Department of Medicine, Laboratory of Medical Biology and Genetics, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece.
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Zhu H, Liu Q, Miao L, Musetti S, Huo M, Huang L. Remodeling the fibrotic tumor microenvironment of desmoplastic melanoma to facilitate vaccine immunotherapy. NANOSCALE 2020; 12:3400-3410. [PMID: 31989142 PMCID: PMC7058186 DOI: 10.1039/c9nr09610h] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Highly fibrotic and collagen-rich properties in desmoplastic melanoma (DM) result in an immune-suppressive fibrotic tumor microenvironment (TME) that resists clinical therapies. The different clinical and pathological properties, as compared to conventional melanoma, lead to delayed diagnosis and it is difficult to deliver drugs effectively due to fibrosis. Herein, we designed a chemo-immuno strategy focused on combining vaccination immunotherapy with multi-targeting sunitinib (SUN) nano-therapy to remodel TME and generate a robust immune response and a stronger synergistic anti-cancer effect. This strategy was evaluated side-by-side with non-desmoplastic melanoma and achieved significant improvement in therapeutic efficacy. The combination treatment was also synergistically assessed with the desmoplastic melanoma model. This strategy can remodel the fibrotic immunosuppressive TME and result in a robust cytotoxic T-cell response by reducing the collagen content, normalizing blood vessels, inhibiting tumor-associated fibroblasts and reducing high levels of suppressor immune cells. The modification of fibrotic immunosuppressive TME may serve as a good approach to further enhance immunotherapy for desmoplastic tumors.
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Affiliation(s)
- Hongda Zhu
- Division of Pharmacoengineering and Molecular Pharmaceutics and Center for Nanotechnology in Drug Delivery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA. and School of Food and Biological Engineering, National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Qi Liu
- Division of Pharmacoengineering and Molecular Pharmaceutics and Center for Nanotechnology in Drug Delivery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
| | - Lei Miao
- Division of Pharmacoengineering and Molecular Pharmaceutics and Center for Nanotechnology in Drug Delivery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
| | - Sara Musetti
- Division of Pharmacoengineering and Molecular Pharmaceutics and Center for Nanotechnology in Drug Delivery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
| | - Meirong Huo
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China
| | - Leaf Huang
- Division of Pharmacoengineering and Molecular Pharmaceutics and Center for Nanotechnology in Drug Delivery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
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Abstract
The tumor microenvironment (TME) is a complex ecosystem, including blood vessels,
immune cells, fibroblasts, extracellular matrix, cytokines, hormones, and so on.
The TME differs from the normal tissue environment (NTE) in many aspects, such
as tissue architecture, chronic inflammation, level of oxygen and pH,
nutritional state of the cells, as well as tissue firmness. The NTE can inhibit
the growth of cancer at the early tumorigenesis phase, whereas the TME promotes
the growth of cancer in general, although it may have some anticancer effects.
In particular, the TME plays a crucial role in the generation and maintenance of
cancer stem cells, which lie at the root of cancer growth. Therefore,
normalization of the TME to the NTE may inhibit cancer growth or improve cancer
therapeutic efficiency. This review focuses on the recent emerging approaches
for this normalization and the action mechanisms.
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Affiliation(s)
- Jie Zheng
- 1 Southeast University, Nanjing, China
| | - Peng Gao
- 2 Children's Hospital of Philadelphia, Philadelphia, PA, USA
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Lim J, Lee A, Lee HG, Lim JS. Modulation of Immunosuppression by Oligonucleotide-Based Molecules and Small Molecules Targeting Myeloid-Derived Suppressor Cells. Biomol Ther (Seoul) 2020; 28:1-17. [PMID: 31431006 PMCID: PMC6939693 DOI: 10.4062/biomolther.2019.069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 07/02/2019] [Accepted: 07/04/2019] [Indexed: 12/12/2022] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are immature myeloid cells that exert suppressive function on the immune response. MDSCs expand in tumor-bearing hosts or in the tumor microenvironment and suppress T cell responses via various mechanisms, whereas a reduction in their activities has been observed in autoimmune diseases or infections. It has been reported that the symptoms of various diseases, including malignant tumors, can be alleviated by targeting MDSCs. Moreover, MDSCs can contribute to patient resistance to therapy using immune checkpoint inhibitors. In line with these therapeutic approaches, diverse oligonucleotide-based molecules and small molecules have been evaluated for their therapeutic efficacy in several disease models via the modulation of MDSC activity. In the current review, MDSC-targeting oligonucleotides and small molecules are briefly summarized, and we highlight the immunomodulatory effects on MDSCs in a variety of disease models and the application of MDSC-targeting molecules for immuno-oncologic therapy.
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Affiliation(s)
- Jihyun Lim
- Department of Biological Science, Sookmyung Women's University, Seoul 04310, Republic of Korea
| | - Aram Lee
- Department of Biological Science, Sookmyung Women's University, Seoul 04310, Republic of Korea
| | - Hee Gu Lee
- Medical Genomics Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
| | - Jong-Seok Lim
- Department of Biological Science, Sookmyung Women's University, Seoul 04310, Republic of Korea.,Cellular Heterogeneity Research Center, Sookmyung Women's University, Seoul 04310, Republic of Korea
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Kishimoto T, Fujimoto N, Ebara T, Omori T, Oguri T, Niimi A, Yokoyama T, Kato M, Usami I, Nishio M, Yoshikawa K, Tokuyama T, Tamura M, Yokoyama Y, Tsuboi K, Matsuo Y, Xu J, Takahashi S, Abdelgied M, Alexander WT, Alexander DB, Tsuda H. Serum levels of the chemokine CCL2 are elevated in malignant pleural mesothelioma patients. BMC Cancer 2019; 19:1204. [PMID: 31823764 PMCID: PMC6905076 DOI: 10.1186/s12885-019-6419-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Accepted: 12/01/2019] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Malignant pleural mesothelioma (MPM) is a debilitating disease of the pleural cavity. It is primarily associated with previous inhalation of asbestos fibers. These fibers initiate an oxidant coupled inflammatory response. Repeated exposure to asbestos fibers results in a prolonged inflammatory response and cycles of tissue damage and repair. The inflammation-associated cycles of tissue damage and repair are intimately involved in the development of asbestos-associated cancers. Macrophages are a key component of asbestos-associated inflammation and play essential roles in the etiology of a variety of cancers. Macrophages are also a source of C-C motif chemokine ligand 2 (CCL2), and a variety of tumor-types express CCL2. High levels of CCL2 are present in the pleural effusions of mesothelioma patients, however, CCL2 has not been examined in the serum of mesothelioma patients. METHODS The present study was carried out with 50 MPM patients and 356 subjects who were possibly exposed to asbestos but did not have disease symptoms and 41 healthy volunteers without a history of exposure to asbestos. The levels of CCL2 in the serum of the study participants was determined using ELISA. RESULTS Levels of CCL2 were significantly elevated in the serum of patients with advanced MPM. CONCLUSIONS Our findings are consistent with the premise that the CCL2/CCR2 axis and myeloid-derived cells play an important role in MPM and disease progression. Therapies are being developed that target CCL2/CCR2 and tumor resident myeloid cells, and clinical trials are being pursued that use these therapies as part of the treatment regimen. The results of trials with patients with a similar serum CCL2 pattern as MPM patients will have important implications for the treatment of MPM.
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Affiliation(s)
- Takumi Kishimoto
- Japan Organization of Occupational Health and Safety, Research Center for Asbestos-related Diseases, Okayama Rosai Hospital, Okayama, Japan
| | - Nobukazu Fujimoto
- Japan Organization of Occupational Health and Safety, Research Center for Asbestos-related Diseases, Okayama Rosai Hospital, Okayama, Japan
| | - Takeshi Ebara
- Department of Occupational and Environmental Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Toyonori Omori
- Department of Healthcare Policy and Management, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Tetsuya Oguri
- Department of Respiratory Medicine, Allergy and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Akio Niimi
- Department of Respiratory Medicine, Allergy and Clinical Immunology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Takako Yokoyama
- Japan Organization of Occupational Health and Safety, Department of Respiratory Medicine, Asahi Rosai Hospital, Owariasahi, Japan
| | - Munehiro Kato
- Japan Organization of Occupational Health and Safety, Department of Respiratory Medicine, Asahi Rosai Hospital, Owariasahi, Japan
| | - Ikuji Usami
- Japan Organization of Occupational Health and Safety, Department of Respiratory Medicine, Asahi Rosai Hospital, Owariasahi, Japan
| | - Masayuki Nishio
- Department of Respiratory Medicine, Daido Hospital, Nagoya, Japan
| | - Kosho Yoshikawa
- Department of Respiratory Medicine, Daido Hospital, Nagoya, Japan
| | - Takeshi Tokuyama
- Department of Internal Medicine, Saiseikai Chuwa Hospital, Sakurai, Nara, Japan
| | - Mouka Tamura
- Department of Internal Medicine, National Hospital Organization Nara Medical Center, Nara, Japan
| | - Yoshifumi Yokoyama
- Department of Medicine and Physical Medicine and Rehabilitation, Nagoya City Koseiin Medical Welfare Center, Nagoya, Japan
| | - Ken Tsuboi
- Department of Gastroenterological Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Yoichi Matsuo
- Department of Gastroenterological Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Jiegou Xu
- Department of Immunology, College of Basic Medical Sciences, Anhui Medical University, Hefei, China
- Nanotoxicology Project Lab, Nagoya City University, 3-1 Tanabedohri, Mizuho-ku, Nagoya, 467-8603, Japan
| | - Satoru Takahashi
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Mohamed Abdelgied
- Nanotoxicology Project Lab, Nagoya City University, 3-1 Tanabedohri, Mizuho-ku, Nagoya, 467-8603, Japan
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, Egypt
| | - William T Alexander
- Nanotoxicology Project Lab, Nagoya City University, 3-1 Tanabedohri, Mizuho-ku, Nagoya, 467-8603, Japan
| | - David B Alexander
- Nanotoxicology Project Lab, Nagoya City University, 3-1 Tanabedohri, Mizuho-ku, Nagoya, 467-8603, Japan.
| | - Hiroyuki Tsuda
- Nanotoxicology Project Lab, Nagoya City University, 3-1 Tanabedohri, Mizuho-ku, Nagoya, 467-8603, Japan
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Haas L, Obenauf AC. Allies or Enemies-The Multifaceted Role of Myeloid Cells in the Tumor Microenvironment. Front Immunol 2019; 10:2746. [PMID: 31849950 PMCID: PMC6892746 DOI: 10.3389/fimmu.2019.02746] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 11/08/2019] [Indexed: 12/21/2022] Open
Abstract
For decades, cancer was considered a disease driven by genetic mutations in tumor cells, therefore afflicting a single cell type. This simplified view was slowly replaced by the understanding that interactions between malignant cells and neighboring stromal and immune cells-the tumor microenvironment (TME)-profoundly shape cancer progression. This understanding paved the way for an entirely new form of therapy that targets the immune cell compartment, which has revolutionized the treatment of cancer. In particular, agents activating T lymphocytes have become a key focus of these therapies, as they can induce durable responses in several cancer types. However, T cell targeting agents only benefit a fraction of patients. Thus, it is crucial to identify the roles of other immune cell types in the TME and understand how they influence T cell function and/or whether they present valuable therapeutic targets themselves. In this review, we focus on the myeloid compartment of the TME, a heterogeneous mix of cell types with diverse effector functions. We describe how distinct myeloid cell types can act as enemies of cancer cells by inducing or enhancing an existing immune response, while others act as strong allies, supporting tumor cells in their malignant growth and establishing an immune evasive TME. Specifically, we focus on the role of myeloid cells in the response and resistance to immunotherapy, and how modulating their numbers and/or state could provide alternative therapeutic entry-points.
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Affiliation(s)
| | - Anna C. Obenauf
- Research Institute of Molecular Pathology (IMP), Vienna Biocenter (VBC), Vienna, Austria
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46
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Lecot P, Sarabi M, Pereira Abrantes M, Mussard J, Koenderman L, Caux C, Bendriss-Vermare N, Michallet MC. Neutrophil Heterogeneity in Cancer: From Biology to Therapies. Front Immunol 2019; 10:2155. [PMID: 31616408 PMCID: PMC6764113 DOI: 10.3389/fimmu.2019.02155] [Citation(s) in RCA: 86] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 08/28/2019] [Indexed: 12/12/2022] Open
Abstract
Neutrophils have been extensively described in the pathophysiology of autoimmune and infectious diseases. Accumulating evidence also suggests the important role of neutrophils in cancer progression through their interaction with cancer and immune cells in blood and in the tumor microenvironment (TME). Most studies have described neutrophils as key drivers of cancer progression, due to their involvement in various tumor promoting functions including proliferation, aggressiveness, and dissemination, as well as in immune suppression. However, such studies were focusing on late-stages of tumorigenesis, in which chronic inflammation had already developed. The role of tumor-associated neutrophils (TANs) at early stages of tumor development remains poorly described, though recent findings indicate that early-stage TANs may display anti-tumor properties. Beyond their role at tumor site, evidence supported by NLR retrospective studies and functional analyses suggest that blood neutrophils could also actively contribute to tumorigenesis. Hence, it appears that the phenotype and functions of neutrophils vary greatly during tumor progression, highlighting their heterogeneity. The origin of pro- or anti-tumor neutrophils is generally believed to arise following a change in cell state, from resting to activated. Moreover, the fate of neutrophils may also involve distinct differentiation programs yielding various subsets of pro or anti-tumor neutrophils. In this review, we will discuss the current knowledge on neutrophils heterogeneity across different tissues and their impact on tumorigenesis, as well as neutrophil-based therapeutic strategies that have shown promising results in pre-clinical studies, paving the way for the design of neutrophil-based next generation immunotherapy.
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Affiliation(s)
- Pacôme Lecot
- Department of Immunity, Virus, and Inflammation (IVI), Centre de Recherche en Cancérologie de Lyon, Centre Léon Bérard, University of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Lyon, France
| | - Matthieu Sarabi
- Department of Immunity, Virus, and Inflammation (IVI), Centre de Recherche en Cancérologie de Lyon, Centre Léon Bérard, University of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Lyon, France
| | - Manuela Pereira Abrantes
- Department of Immunity, Virus, and Inflammation (IVI), Centre de Recherche en Cancérologie de Lyon, Centre Léon Bérard, University of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Lyon, France
| | - Julie Mussard
- Department of Immunity, Virus, and Inflammation (IVI), Centre de Recherche en Cancérologie de Lyon, Centre Léon Bérard, University of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Lyon, France
| | - Leo Koenderman
- Department of Respiratory Medicine and Center of Translational Immunology, University Medical Center Utrecht, Utrecht, Netherlands
| | - Christophe Caux
- Department of Immunity, Virus, and Inflammation (IVI), Centre de Recherche en Cancérologie de Lyon, Centre Léon Bérard, University of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Lyon, France
| | - Nathalie Bendriss-Vermare
- Department of Immunity, Virus, and Inflammation (IVI), Centre de Recherche en Cancérologie de Lyon, Centre Léon Bérard, University of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Lyon, France
| | - Marie-Cécile Michallet
- Department of Immunity, Virus, and Inflammation (IVI), Centre de Recherche en Cancérologie de Lyon, Centre Léon Bérard, University of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Lyon, France
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Reguera-Nuñez E, Man S, Xu P, Hilberg F, Kerbel RS. Variable impact of three different antiangiogenic drugs alone or in combination with chemotherapy on multiple bone marrow-derived cell populations involved in angiogenesis and immunity. Angiogenesis 2019; 22:535-546. [DOI: 10.1007/s10456-019-09677-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 08/07/2019] [Accepted: 08/09/2019] [Indexed: 12/18/2022]
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Puttmann K, Duggan M, Mortazavi A, Diaz DA, Carson III WE, Sundi D. The Role of Myeloid Derived Suppressor Cells in Urothelial Carcinoma Immunotherapy. Bladder Cancer 2019. [DOI: 10.3233/blc-190219] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Kathleen Puttmann
- Department of Urology, The Ohio State University Comprehensive Cancer Center, Columbus, OH, USA
| | - Megan Duggan
- Department of Surgery, Division of Surgical Oncology, The Ohio State University Comprehensive Cancer Center, Columbus, OH, USA
| | - Amir Mortazavi
- Department of Internal Medicine, Division of Medical Oncology, The Ohio State University Comprehensive Cancer Center, Columbus, OH, USA
| | - Dayssy Alexandra Diaz
- Department of Radiation Oncology, The Ohio State University Comprehensive Cancer Center, Columbus, OH, USA
| | - William E. Carson III
- Department of Surgery, Division of Surgical Oncology, The Ohio State University Comprehensive Cancer Center, Columbus, OH, USA
| | - Debasish Sundi
- Department of Urology, The Ohio State University Comprehensive Cancer Center, Columbus, OH, USA
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Ding AS, Routkevitch D, Jackson C, Lim M. Targeting Myeloid Cells in Combination Treatments for Glioma and Other Tumors. Front Immunol 2019; 10:1715. [PMID: 31396227 PMCID: PMC6664066 DOI: 10.3389/fimmu.2019.01715] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 07/09/2019] [Indexed: 02/06/2023] Open
Abstract
Myeloid cells constitute a significant part of the immune system in the context of cancer, exhibiting both immunostimulatory effects, through their role as antigen presenting cells, and immunosuppressive effects, through their polarization to myeloid-derived suppressor cells (MDSCs) and tumor-associated macrophages. While they are rarely sufficient to generate potent anti-tumor effects on their own, myeloid cells have the ability to interact with a variety of immune populations to aid in mounting an appropriate anti-tumor immune response. Therefore, myeloid therapies have gained momentum as a potential adjunct to current therapies such as immune checkpoint inhibitors (ICIs), dendritic cell vaccines, oncolytic viruses, and traditional chemoradiation to enhance therapeutic response. In this review, we outline critical pathways involved in the recruitment of the myeloid population to the tumor microenvironment and in their polarization to immunostimulatory or immunosuppressive phenotypes. We also emphasize existing strategies of modulating myeloid recruitment and polarization to improve anti-tumor immune responses. We then summarize current preclinical and clinical studies that highlight treatment outcomes of combining myeloid targeted therapies with other immune-based and traditional therapies. Despite promising results from reports of limited clinical trials thus far, there remain challenges in optimally harnessing the myeloid compartment as an adjunct to enhancing anti-tumor immune responses. Further large Phase II and ultimately Phase III clinical trials are needed to elucidate the treatment benefit of combination therapies in the fight against cancer.
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Affiliation(s)
| | | | | | - Michael Lim
- Department of Neurosurgery, Johns Hopkins School of Medicine, Baltimore, MD, United States
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50
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Koster BD, Santegoets SJAM, Harting J, Baars A, van Ham SM, Scheper RJ, Hooijberg E, de Gruijl TD, van den Eertwegh AJM. Autologous tumor cell vaccination combined with systemic CpG-B and IFN-α promotes immune activation and induces clinical responses in patients with metastatic renal cell carcinoma: a phase II trial. Cancer Immunol Immunother 2019; 68:1025-1035. [PMID: 30852622 PMCID: PMC6529601 DOI: 10.1007/s00262-019-02320-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 03/01/2019] [Indexed: 01/01/2023]
Abstract
Background In this study the toxicity and efficacy of an irradiated autologous tumor cell vaccine (ATV) co-injected with a class-B CpG oligodeoxynucleotide (CpG-B) and GM-CSF, followed by systemic CpG-B and IFN-α administration, were examined in patients with metastatic renal cell carcinoma (mRCC). Methods A single-arm Phase II trial was conducted, in which patients with mRCC were intradermally injected with a minimum of three whole-cell vaccines containing 0.7–1.3 × 107 irradiated autologous tumor cells (ATC), admixed with 1 mg CpG-B and 100 µg GM-CSF, followed by bi-weekly s.c. injections with 8 mg CpG-B and s.c. injections with 6 MU IFN-α three times per week. Results Fifteen patients were treated according to the protocol. Treatment was well tolerated. Objective clinical responses occurred in three patients, including one long-term complete response. Disease stabilization occurred in another three patients. Positive delayed type hypersensitivity (DTH) responses to ATC were absent before treatment but present in 13 out of 15 patients during treatment. Immune monitoring revealed activation of plasmacytoid dendritic cells, non-classical monocytes and up-regulation of both PD-1 and CTLA4 on effector T cells upon treatment. Moreover, a pre-existing ex vivo IFN-γ response to ATC was associated with clinical response. Conclusions ATV combined with systemic CpG-B and IFN-α is tolerable, safe, immunogenic and able to elicit anti-tumor responses in patients with mRCC. Immune activation and treatment-induced up-regulation of PD-1 and CTLA4 on circulating T cells further suggest an added benefit of combining this approach with immune checkpoint blockade [added]
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Affiliation(s)
- Bas D Koster
- Departments of Medical Oncology, Amsterdam UMC, Vrije Universiteit, Cancer Center Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
| | - Saskia J A M Santegoets
- Departments of Medical Oncology, Amsterdam UMC, Vrije Universiteit, Cancer Center Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
- Department of Medical Oncology, Leiden University Medical Center, Hippocratespad 21, 2333 ZD, Leiden, The Netherlands
| | - Jorien Harting
- Departments of Medical Oncology, Amsterdam UMC, Vrije Universiteit, Cancer Center Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
| | - Arnold Baars
- Departments of Medical Oncology, Amsterdam UMC, Vrije Universiteit, Cancer Center Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
| | - S Marieke van Ham
- Departments of Pathology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
- Department of Immunopathology, Landsteiner Laboratory, Amsterdam UMC and Swammerdam Institute for Life Sciences, Sanquin Research, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Rik J Scheper
- Departments of Pathology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
| | - Erik Hooijberg
- Departments of Pathology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
- Department of Pathology, Antoni van Leeuwenhoek/Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX, Amsterdam, The Netherlands
| | - Tanja D de Gruijl
- Departments of Medical Oncology, Amsterdam UMC, Vrije Universiteit, Cancer Center Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
| | - Alfons J M van den Eertwegh
- Departments of Medical Oncology, Amsterdam UMC, Vrije Universiteit, Cancer Center Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands.
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