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Zheng R, Liu X, Zhang Y, Liu Y, Wang Y, Guo S, Jin X, Zhang J, Guan Y, Liu Y. Frontiers and future of immunotherapy for pancreatic cancer: from molecular mechanisms to clinical application. Front Immunol 2024; 15:1383978. [PMID: 38756774 PMCID: PMC11096556 DOI: 10.3389/fimmu.2024.1383978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 04/22/2024] [Indexed: 05/18/2024] Open
Abstract
Pancreatic cancer is a highly aggressive malignant tumor, that is becoming increasingly common in recent years. Despite advances in intensive treatment modalities including surgery, radiotherapy, biological therapy, and targeted therapy, the overall survival rate has not significantly improved in patients with pancreatic cancer. This may be attributed to the insidious onset, unknown pathophysiology, and poor prognosis of the disease. It is therefore essential to identify and develop more effective and safer treatments for pancreatic cancer. Tumor immunotherapy is the new and fourth pillar of anti-tumor therapy after surgery, radiotherapy, and chemotherapy. Significant progress has made in the use of immunotherapy for a wide variety of malignant tumors in recent years; a breakthrough has also been made in the treatment of pancreatic cancer. This review describes the advances in immune checkpoint inhibitors, cancer vaccines, adoptive cell therapy, oncolytic virus, and matrix-depletion therapies for the treatment of pancreatic cancer. At the same time, some new potential biomarkers and potential immunotherapy combinations for pancreatic cancer are discussed. The molecular mechanisms of various immunotherapies have also been elucidated, and their clinical applications have been highlighted. The current challenges associated with immunotherapy and proposed strategies that hold promise in overcoming these limitations have also been discussed, with the aim of offering new insights into immunotherapy for pancreatic cancer.
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Affiliation(s)
- Rui Zheng
- Department of Medical Immunology, Medical College of Yan’an University, Yanan, Shaanxi, China
| | - Xiaobin Liu
- Department of Medical Immunology, Medical College of Yan’an University, Yanan, Shaanxi, China
| | - Yufu Zhang
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Yan’an University, Yan’an, Shaanxi, China
| | - Yongxian Liu
- Department of Medical Immunology, Medical College of Yan’an University, Yanan, Shaanxi, China
| | - Yaping Wang
- Department of Medical Immunology, Medical College of Yan’an University, Yanan, Shaanxi, China
| | - Shutong Guo
- Department of Medical Immunology, Medical College of Yan’an University, Yanan, Shaanxi, China
| | - Xiaoyan Jin
- Department of Medical Immunology, Medical College of Yan’an University, Yanan, Shaanxi, China
| | - Jing Zhang
- Department of Medical Immunology, Medical College of Yan’an University, Yanan, Shaanxi, China
| | - Yuehong Guan
- Department of Medical Immunology, Medical College of Yan’an University, Yanan, Shaanxi, China
| | - Yusi Liu
- Department of Medical Immunology, Medical College of Yan’an University, Yanan, Shaanxi, China
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Tie CW, Zhu JQ, Yu Z, Dou LZ, Wang ML, Wang GQ, Ni XG. Revealing molecular and cellular heterogeneity in hypopharyngeal carcinogenesis through single-cell RNA and TCR/BCR sequencing. Front Immunol 2024; 15:1310376. [PMID: 38720887 PMCID: PMC11076829 DOI: 10.3389/fimmu.2024.1310376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 04/12/2024] [Indexed: 05/12/2024] Open
Abstract
Introduction Hypopharyngeal squamous cell carcinoma (HSCC) is one of the malignant tumors with the worst prognosis in head and neck cancers. The transformation from normal tissue through low-grade and high-grade intraepithelial neoplasia to cancerous tissue in HSCC is typically viewed as a progressive pathological sequence typical of tumorigenesis. Nonetheless, the alterations in diverse cell clusters within the tissue microenvironment (TME) throughout tumorigenesis and their impact on the development of HSCC are yet to be fully understood. Methods We employed single-cell RNA sequencing and TCR/BCR sequencing to sequence 60,854 cells from nine tissue samples representing different stages during the progression of HSCC. This allowed us to construct dynamic transcriptomic maps of cells in diverse TME across various disease stages, and experimentally validated the key molecules within it. Results We delineated the heterogeneity among tumor cells, immune cells (including T cells, B cells, and myeloid cells), and stromal cells (such as fibroblasts and endothelial cells) during the tumorigenesis of HSCC. We uncovered the alterations in function and state of distinct cell clusters at different stages of tumor development and identified specific clusters closely associated with the tumorigenesis of HSCC. Consequently, we discovered molecules like MAGEA3 and MMP3, pivotal for the diagnosis and treatment of HSCC. Discussion Our research sheds light on the dynamic alterations within the TME during the tumorigenesis of HSCC, which will help to understand its mechanism of canceration, identify early diagnostic markers, and discover new therapeutic targets.
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MESH Headings
- Humans
- Hypopharyngeal Neoplasms/genetics
- Hypopharyngeal Neoplasms/pathology
- Hypopharyngeal Neoplasms/immunology
- Single-Cell Analysis
- Tumor Microenvironment/immunology
- Tumor Microenvironment/genetics
- Receptors, Antigen, T-Cell/genetics
- Receptors, Antigen, T-Cell/metabolism
- Receptors, Antigen, B-Cell/genetics
- Receptors, Antigen, B-Cell/metabolism
- Carcinogenesis/genetics
- Sequence Analysis, RNA
- Transcriptome
- Biomarkers, Tumor/genetics
- Squamous Cell Carcinoma of Head and Neck/genetics
- Squamous Cell Carcinoma of Head and Neck/immunology
- Squamous Cell Carcinoma of Head and Neck/pathology
- Gene Expression Regulation, Neoplastic
- Male
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Affiliation(s)
- Cheng-Wei Tie
- Department of Endoscopy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ji-Qing Zhu
- Department of Endoscopy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhan Yu
- Department of Otolaryngology Head and Neck Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Li-Zhou Dou
- Department of Endoscopy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Mei-Ling Wang
- Department of Endoscopy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, China
| | - Gui-Qi Wang
- Department of Endoscopy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiao-Guang Ni
- Department of Endoscopy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Wang C, Wang W, Wang M, Deng J, Sun C, Hu Y, Luo S. Different evasion strategies in multiple myeloma. Front Immunol 2024; 15:1346211. [PMID: 38464531 PMCID: PMC10920326 DOI: 10.3389/fimmu.2024.1346211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 02/09/2024] [Indexed: 03/12/2024] Open
Abstract
Multiple myeloma is the second most common malignant hematologic malignancy which evolved different strategies for immune escape from the host immune surveillance and drug resistance, including uncontrolled proliferation of malignant plasma cells in the bone marrow, genetic mutations, or deletion of tumor antigens to escape from special targets and so. Therefore, it is a big challenge to efficiently treat multiple myeloma patients. Despite recent applications of immunomodulatory drugs (IMiDS), protease inhibitors (PI), targeted monoclonal antibodies (mAb), and even hematopoietic stem cell transplantation (HSCT), it remains hardly curable. Summarizing the possible evasion strategies can help design specific drugs for multiple myeloma treatment. This review aims to provide an integrative overview of the intrinsic and extrinsic evasion mechanisms as well as recently discovered microbiota utilized by multiple myeloma for immune evasion and drug resistance, hopefully providing a theoretical basis for the rational design of specific immunotherapies or drug combinations to prevent the uncontrolled proliferation of MM, overcome drug resistance and improve patient survival.
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Affiliation(s)
| | | | | | | | | | - Yu Hu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shanshan Luo
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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4
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Forster S, Radpour R, Ochsenbein AF. Molecular and immunological mechanisms of clonal evolution in multiple myeloma. Front Immunol 2023; 14:1243997. [PMID: 37744361 PMCID: PMC10516567 DOI: 10.3389/fimmu.2023.1243997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 08/21/2023] [Indexed: 09/26/2023] Open
Abstract
Multiple myeloma (MM) is a hematologic malignancy characterized by the proliferation of clonal plasma cells in the bone marrow (BM). It is known that early genetic mutations in post-germinal center B/plasma cells are the cause of myelomagenesis. The acquisition of additional chromosomal abnormalities and distinct mutations further promote the outgrowth of malignant plasma cell populations that are resistant to conventional treatments, finally resulting in relapsed and therapy-refractory terminal stages of MM. In addition, myeloma cells are supported by autocrine signaling pathways and the tumor microenvironment (TME), which consists of diverse cell types such as stromal cells, immune cells, and components of the extracellular matrix. The TME provides essential signals and stimuli that induce proliferation and/or prevent apoptosis. In particular, the molecular pathways by which MM cells interact with the TME are crucial for the development of MM. To generate successful therapies and prevent MM recurrence, a thorough understanding of the molecular mechanisms that drive MM progression and therapy resistance is essential. In this review, we summarize key mechanisms that promote myelomagenesis and drive the clonal expansion in the course of MM progression such as autocrine signaling cascades, as well as direct and indirect interactions between the TME and malignant plasma cells. In addition, we highlight drug-resistance mechanisms and emerging therapies that are currently tested in clinical trials to overcome therapy-refractory MM stages.
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Affiliation(s)
- Stefan Forster
- Tumor Immunology, Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
- Department of Medical Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Ramin Radpour
- Tumor Immunology, Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
- Department of Medical Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Adrian F. Ochsenbein
- Tumor Immunology, Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
- Department of Medical Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
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Ortega MC, Lebrón-Galán R, Machín-Díaz I, Naughton M, Pérez-Molina I, García-Arocha J, Garcia-Dominguez JM, Goicoechea-Briceño H, Vila-Del Sol V, Quintanero-Casero V, García-Montero R, Galán V, Calahorra L, Camacho-Toledano C, Martínez-Ginés ML, Fitzgerald DC, Clemente D. Central and peripheral myeloid-derived suppressor cell-like cells are closely related to the clinical severity of multiple sclerosis. Acta Neuropathol 2023; 146:263-282. [PMID: 37243699 PMCID: PMC10329064 DOI: 10.1007/s00401-023-02593-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 05/10/2023] [Accepted: 05/21/2023] [Indexed: 05/29/2023]
Abstract
Multiple sclerosis (MS) is a highly heterogeneous demyelinating disease of the central nervous system (CNS) that needs for reliable biomarkers to foresee disease severity. Recently, myeloid-derived suppressor cells (MDSCs) have emerged as an immune cell population with an important role in MS. The monocytic-MDSCs (M-MDSCs) share the phenotype with Ly-6Chi-cells in the MS animal model, experimental autoimmune encephalomyelitis (EAE), and have been retrospectively related to the severity of the clinical course in the EAE. However, no data are available about the presence of M-MDSCs in the CNS of MS patients or its relation with the future disease aggressiveness. In this work, we show for the first time cells exhibiting all the bona-fide phenotypical markers of M-MDSCs associated with MS lesions, whose abundance in these areas appears to be directly correlated with longer disease duration in primary progressive MS patients. Moreover, we show that blood immunosuppressive Ly-6Chi-cells are strongly related to the future severity of EAE disease course. We found that a higher abundance of Ly-6Chi-cells at the onset of the EAE clinical course is associated with a milder disease course and less tissue damage. In parallel, we determined that the abundance of M-MDSCs in blood samples from untreated MS patients at their first relapse is inversely correlated with the Expanded Disability Status Scale (EDSS) at baseline and after a 1-year follow-up. In summary, our data point to M-MDSC load as a factor to be considered for future studies focused on the prediction of disease severity in EAE and MS.
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Affiliation(s)
- María Cristina Ortega
- Grupo de Neuroinmuno-Reparación, Hospital Nacional de Parapléjicos, SESCAM, Finca "La Peraleda" s/n, 45071, Toledo, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Carlos III Health Institute, c/Monforte de Lemos, 3-5, 28029, Madrid, Spain
| | - Rafael Lebrón-Galán
- Grupo de Neuroinmuno-Reparación, Hospital Nacional de Parapléjicos, SESCAM, Finca "La Peraleda" s/n, 45071, Toledo, Spain
| | - Isabel Machín-Díaz
- Grupo de Neuroinmuno-Reparación, Hospital Nacional de Parapléjicos, SESCAM, Finca "La Peraleda" s/n, 45071, Toledo, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Carlos III Health Institute, c/Monforte de Lemos, 3-5, 28029, Madrid, Spain
| | - Michelle Naughton
- Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Rd, Belfast, BT9 7BL, Northern Ireland, UK
| | - Inmaculada Pérez-Molina
- Departamento de Neurología, Hospital Universitario de Toledo, Av. del Río Guadiana, 45007, Toledo, Spain
| | - Jennifer García-Arocha
- Grupo de Neuroinmuno-Reparación, Hospital Nacional de Parapléjicos, SESCAM, Finca "La Peraleda" s/n, 45071, Toledo, Spain
| | - Jose Manuel Garcia-Dominguez
- Departamento de Neurología, Hospital General Universitario Gregorio Marañón, Calle del Dr. Esquerdo 46, 28007, Madrid, Spain
| | - Haydee Goicoechea-Briceño
- Departamento de Neurología, Hospital General Universitario Gregorio Marañón, Calle del Dr. Esquerdo 46, 28007, Madrid, Spain
| | - Virginia Vila-Del Sol
- Servicio de Citometría de Flujo, Hospital Nacional de Parapléjicos, SESCAM, Finca "La Peraleda" s/n, 45071, Toledo, Spain
| | - Víctor Quintanero-Casero
- Grupo de Neuroinmuno-Reparación, Hospital Nacional de Parapléjicos, SESCAM, Finca "La Peraleda" s/n, 45071, Toledo, Spain
| | - Rosa García-Montero
- Departamento de Neurología, Hospital Universitario de Toledo, Av. del Río Guadiana, 45007, Toledo, Spain
| | - Victoria Galán
- Departamento de Neurología, Hospital Universitario de Toledo, Av. del Río Guadiana, 45007, Toledo, Spain
| | - Leticia Calahorra
- Grupo de Neuroinmuno-Reparación, Hospital Nacional de Parapléjicos, SESCAM, Finca "La Peraleda" s/n, 45071, Toledo, Spain
| | - Celia Camacho-Toledano
- Grupo de Neuroinmuno-Reparación, Hospital Nacional de Parapléjicos, SESCAM, Finca "La Peraleda" s/n, 45071, Toledo, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Carlos III Health Institute, c/Monforte de Lemos, 3-5, 28029, Madrid, Spain
| | - María Luisa Martínez-Ginés
- Departamento de Neurología, Hospital General Universitario Gregorio Marañón, Calle del Dr. Esquerdo 46, 28007, Madrid, Spain
| | - Denise C Fitzgerald
- Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Rd, Belfast, BT9 7BL, Northern Ireland, UK
| | - Diego Clemente
- Grupo de Neuroinmuno-Reparación, Hospital Nacional de Parapléjicos, SESCAM, Finca "La Peraleda" s/n, 45071, Toledo, Spain.
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Carlos III Health Institute, c/Monforte de Lemos, 3-5, 28029, Madrid, Spain.
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Xu S, Wang C, Yang L, Wu J, Li M, Xiao P, Xu Z, Xu Y, Wang K. Targeting immune checkpoints on tumor-associated macrophages in tumor immunotherapy. Front Immunol 2023; 14:1199631. [PMID: 37313405 PMCID: PMC10258331 DOI: 10.3389/fimmu.2023.1199631] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 05/16/2023] [Indexed: 06/15/2023] Open
Abstract
Unprecedented breakthroughs have been made in cancer immunotherapy in recent years. Particularly immune checkpoint inhibitors have fostered hope for patients with cancer. However, immunotherapy still exhibits certain limitations, such as a low response rate, limited efficacy in certain populations, and adverse events in certain tumors. Therefore, exploring strategies that can improve clinical response rates in patients is crucial. Tumor-associated macrophages (TAMs) are the predominant immune cells that infiltrate the tumor microenvironment and express a variety of immune checkpoints that impact immune functions. Mounting evidence indicates that immune checkpoints in TAMs are closely associated with the prognosis of patients with tumors receiving immunotherapy. This review centers on the regulatory mechanisms governing immune checkpoint expression in macrophages and strategies aimed at improving immune checkpoint therapies. Our review provides insights into potential therapeutic targets to improve the efficacy of immune checkpoint blockade and key clues to developing novel tumor immunotherapies.
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Affiliation(s)
- Shumin Xu
- Department of Respiratory and Critical Care Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
| | - Chenyang Wang
- Department of Respiratory and Critical Care Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
| | - Lingge Yang
- Department of Respiratory and Critical Care Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
| | - Jiaji Wu
- Department of Respiratory and Critical Care Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
| | - Mengshu Li
- Department of Respiratory and Critical Care Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
| | - Peng Xiao
- School of Medicine, Zhejiang University, Hangzhou, China
| | - Zhiyong Xu
- Department of Respiratory and Critical Care Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
| | - Yun Xu
- Department of Respiratory and Critical Care Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
| | - Kai Wang
- Department of Respiratory and Critical Care Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
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Farhangnia P, Ghomi SM, Mollazadehghomi S, Nickho H, Akbarpour M, Delbandi AA. SLAM-family receptors come of age as a potential molecular target in cancer immunotherapy. Front Immunol 2023; 14:1174138. [PMID: 37251372 PMCID: PMC10213746 DOI: 10.3389/fimmu.2023.1174138] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 05/02/2023] [Indexed: 05/31/2023] Open
Abstract
The signaling lymphocytic activation molecule (SLAM) family receptors were discovered in immune cells for the first time. The SLAM-family receptors are a significant player in cytotoxicity, humoral immune responses, autoimmune diseases, lymphocyte development, cell survival, and cell adhesion. There is growing evidence that SLAM-family receptors have been involved in cancer progression and heralded as a novel immune checkpoint on T cells. Previous studies have reported the role of SLAMs in tumor immunity in various cancers, including chronic lymphocytic leukemia, lymphoma, multiple myeloma, acute myeloid leukemia, hepatocellular carcinoma, head and neck squamous cell carcinoma, pancreas, lung, and melanoma. Evidence has deciphered that the SLAM-family receptors may be targeted for cancer immunotherapy. However, our understanding in this regard is not complete. This review will discuss the role of SLAM-family receptors in cancer immunotherapy. It will also provide an update on recent advances in SLAM-based targeted immunotherapies.
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Affiliation(s)
- Pooya Farhangnia
- Immunology Research Center, Institute of Immunology and Infectious Disease, Iran University of Medical Sciences, Tehran, Iran
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Board for Transplantation and Cell-Based Therapeutics (ImmunoTACT), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Shamim Mollazadeh Ghomi
- Immunology Board for Transplantation and Cell-Based Therapeutics (ImmunoTACT), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Shabnam Mollazadehghomi
- Immunology Board for Transplantation and Cell-Based Therapeutics (ImmunoTACT), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Hamid Nickho
- Immunology Research Center, Institute of Immunology and Infectious Disease, Iran University of Medical Sciences, Tehran, Iran
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mahzad Akbarpour
- Immunology Board for Transplantation and Cell-Based Therapeutics (ImmunoTACT), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- Advanced Cellular Therapeutics Facility (ACTF), Hematopoietic Cellular Therapy Program, Section of Hematology & Oncology, Department of Medicine, University of Chicago Medical Center, Chicago, IL, United States
| | - Ali-Akbar Delbandi
- Immunology Research Center, Institute of Immunology and Infectious Disease, Iran University of Medical Sciences, Tehran, Iran
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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Bhardwaj V, Ansell SM. Modulation of T-cell function by myeloid-derived suppressor cells in hematological malignancies. Front Cell Dev Biol 2023; 11:1129343. [PMID: 37091970 PMCID: PMC10113446 DOI: 10.3389/fcell.2023.1129343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 03/15/2023] [Indexed: 04/08/2023] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are pathologically activated neutrophils and monocytes that negatively regulate the immune response to cancer and chronic infections. Abnormal myelopoiesis and pathological activation of myeloid cells generate this heterogeneous population of myeloid-derived suppressor cells. They are characterized by their distinct transcription, phenotypic, biochemical, and functional features. In the tumor microenvironment (TME), myeloid-derived suppressor cells represent an important class of immunosuppressive cells that correlate with tumor burden, stage, and a poor prognosis. Myeloid-derived suppressor cells exert a strong immunosuppressive effect on T-cells (and a broad range of other immune cells), by blocking lymphocyte homing, increasing production of reactive oxygen and nitrogen species, promoting secretion of various cytokines, chemokines, and immune regulatory molecules, stimulation of other immunosuppressive cells, depletion of various metabolites, and upregulation of immune checkpoint molecules. Additionally, the heterogeneity of myeloid-derived suppressor cells in cancer makes their identification challenging. Overall, they serve as a major obstacle for many cancer immunotherapies and targeting them could be a favorable strategy to improve the effectiveness of immunotherapeutic interventions. However, in hematological malignancies, particularly B-cell malignancies, the clinical outcomes of targeting these myeloid-derived suppressor cells is a field that is still to be explored. This review summarizes the complex biology of myeloid-derived suppressor cells with an emphasis on the immunosuppressive pathways used by myeloid-derived suppressor cells to modulate T-cell function in hematological malignancies. In addition, we describe the challenges, therapeutic strategies, and clinical relevance of targeting myeloid-derived suppressor cells in these diseases.
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Liu X, Zhang D, Hu J, Xu S, Xu C, Shen Y. Allograft inflammatory factor 1 is a potential diagnostic, immunological, and prognostic biomarker in pan-cancer. Aging (Albany NY) 2023; 15:2582-2609. [PMID: 37014322 PMCID: PMC10120906 DOI: 10.18632/aging.204631] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 03/20/2023] [Indexed: 04/05/2023]
Abstract
BACKGROUND Allograft Inflammatory Factor 1 (AIF-1) is a member of the allograft inflammatory factor gene family and plays an essential role in the occurrence and development of malignant tumors. However, little is known about the expression pattern, predictive value, and biological function of AIF-1 across cancers. MATERIALS AND METHODS We first analyzed AIF-1 expression across cancers based on data from public databases. Univariate Cox regression and Kaplan-Meier analyses were used to explore the predictive value of AIF-1 expression in various cancers. Moreover, gene set enrichment analysis (GSEA) was applied to determine the cancer hallmarks associated with AIF-1 expression. Spearman correlation analysis was performed to investigate the association between AIF-1 expression and tumor microenvironment scores, immune cell infiltration, immune-related genes, TMB, MSI, and DNA methyltransferases. RESULTS AIF-1 expression was upregulated in most cancer types and exhibited prognosis-predictive ability. AIF-1 expression was positively correlated with immune infiltrating cells and immune checkpoint-related genes in most cancers. Additionally, the promoter methylation level of AIF-1 was different in distinct tumors. High methylation levels of AIF-1 were associated with a worse prognosis in UCEC and melanoma, whereas they were associated with a better prognosis in GBM, KIRC, OV, and UVM. Finally, we found that AIF-1 was significantly highly expressed in KIRC tissues. Functionally, silencing AIF-1 dramatically decreased proliferation, migration, and invasion abilities. CONCLUSION Our results reveal that AIF-1 acts as a robust tumor biomarker and is closely correlated with tumor immune infiltration. Furthermore, AIF-1 may function as an oncogene and promote tumor progression in KIRC.
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Affiliation(s)
- Xin Liu
- Department of Nephrology, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi Province, China
| | - Dandan Zhang
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi Province, China
- Jiangxi Key Laboratory of Molecular Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi Province, China
| | - Jianping Hu
- Jiangxi Key Laboratory of Molecular Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi Province, China
- Department of Medical Genetics, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi Province, China
| | - Sikai Xu
- Department of Medical Genetics, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi Province, China
| | - Chengyun Xu
- Department of Nephrology, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi Province, China
| | - Yang Shen
- Jiangxi Key Laboratory of Molecular Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi Province, China
- Department of Medical Genetics, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi Province, China
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Giannotta C, Autino F, Massaia M. The immune suppressive tumor microenvironment in multiple myeloma: The contribution of myeloid-derived suppressor cells. Front Immunol 2023; 13:1102471. [PMID: 36726975 PMCID: PMC9885853 DOI: 10.3389/fimmu.2022.1102471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 12/27/2022] [Indexed: 01/18/2023] Open
Abstract
Myeloid derived suppressors cells (MDSC) play major roles in regulating immune homeostasis and immune responses in many conditions, including cancer. MDSC interact with cancer cells within the tumor microenvironment (TME) with direct and indirect mechanisms: production of soluble factors and cytokines, expression of surface inhibitory molecules, metabolic rewiring and exosome release. The two-way relationship between MDSC and tumor cells results in immune evasion and cancer outgrowth. In multiple myeloma (MM), MDSC play a major role in creating protumoral TME conditions. In this minireview, we will discuss the interplay between MDSC and MM TME and the possible strategies to target MDSC.
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Affiliation(s)
- Claudia Giannotta
- Laboratorio di Immunologia dei Tumori del Sangue (LITS), Centro Interdipartimentale di Biotecnologie Molecolari “Guido Tarone”, Dipartimento di Biotecnologie Molecolari e Scienze della Salute, Università degli Studi di Torino, Torino, Italy
| | - Federica Autino
- Laboratorio di Immunologia dei Tumori del Sangue (LITS), Centro Interdipartimentale di Biotecnologie Molecolari “Guido Tarone”, Dipartimento di Biotecnologie Molecolari e Scienze della Salute, Università degli Studi di Torino, Torino, Italy
| | - Massimo Massaia
- Laboratorio di Immunologia dei Tumori del Sangue (LITS), Centro Interdipartimentale di Biotecnologie Molecolari “Guido Tarone”, Dipartimento di Biotecnologie Molecolari e Scienze della Salute, Università degli Studi di Torino, Torino, Italy,SC Ematologia, AO S.Croce e Carle, Cuneo, Italy,*Correspondence: Massimo Massaia,
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11
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Zhou S, Lu C, Liu G, Hu Q, Yang J. IRF1 expression might be a biomarker of CD8+ T cell infiltration in cutaneous melanoma. Expert Rev Clin Immunol 2022; 18:1319-1327. [PMID: 36300336 DOI: 10.1080/1744666x.2022.2141228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
OBJECTIVE This study aimed to explore the expression profile of interferon regulatory factor (IRF) genes in skin cutaneous melanoma (SKCM), their association with CD8 + T cell infiltration, and the potential regulatory network in melanoma and non-melanoma cells. METHODS Bioinformatic analysis was conducted using the SKCM subset of The Cancer Genome Atlas (TCGA) Pan-Cancer, Genotype-Tissue Expression Project (GTEx), and single-cell RNA-seq data from the Human Protein Atlas and Jerby-Arnon et al. 2018's dataset. RESULTS IRF1 expression is robustly associated with moderate to strong CD8 + T cell infiltration in the tumor microenvironment. It is ubiquitously expressed in tumor and non-tumor cells in melanoma. Melanoma tumor cells and macrophages had 16/36 and 9/27 cell-specific IRF1-correlated genes, respectively. The methylation of four CpG sites (cg00255919, cg21138405, cg15375424, and cg27587780) within the IRF1 gene locus showed moderate to strong negative correlations with IRF1 expression. CONCLUSION IRF1 expression might serve as a biomarker indicating CD8 + T cell infiltration in skin melanoma. It might exert different regulatory effects in melanoma and non-melanoma cells in the tumor microenvironment. Cg00255919, cg21138405, cg15375424, and cg27587780 are four critical CpG sites that might modulate the transcription of IRF1.
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Affiliation(s)
- Shijie Zhou
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Chunli Lu
- Department of Dermatology, the Second People's Hospital of Neijiang, Neijiang, Sichuan, China
| | - Gan Liu
- Department of Cosmetic Dermatology, the First People's Hospital of Neijiang, Neijiang, Sichuan, China
| | - Qinsheng Hu
- Department of Orthopedics, Orthopedics Research Institute, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jinliang Yang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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12
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Yu S, Ren X, Li L. Myeloid-derived suppressor cells in hematologic malignancies: two sides of the same coin. Exp Hematol Oncol 2022; 11:43. [PMID: 35854339 PMCID: PMC9295421 DOI: 10.1186/s40164-022-00296-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 07/13/2022] [Indexed: 12/15/2022] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are a heterogeneous population of bone marrow cells originating from immature myeloid cells. They exert potent immunosuppressive activity and are closely associated with the development of various diseases such as malignancies, infections, and inflammation. In malignant tumors, MDSCs, one of the most dominant cellular components comprising the tumor microenvironment, play a crucial role in tumor growth, drug resistance, recurrence, and immune escape. Although the role of MDSCs in solid tumors is currently being extensively studied, little is known about their role in hematologic malignancies. In this review, we comprehensively summarized and reviewed the different roles of MDSCs in hematologic malignancies and hematopoietic stem cell transplantation, and finally discussed current targeted therapeutic strategies.Affiliation: Kindly check and confirm the processed affiliations are correct. Amend if any.correct
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Affiliation(s)
- Shunjie Yu
- Department of Hematology, Tianjin Medical University General Hospital, Heping district 154 Anshan Road, Tianjin, China
| | - Xiaotong Ren
- Department of Hematology, Tianjin Medical University General Hospital, Heping district 154 Anshan Road, Tianjin, China
| | - Lijuan Li
- Department of Hematology, Tianjin Medical University General Hospital, Heping district 154 Anshan Road, Tianjin, China.
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13
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Zhang Z, Zhou X, Guo J, Zhang F, Qian Y, Wang G, Duan M, Wang Y, Zhao H, Yang Z, Liu Z, Jiang X. TA-MSCs, TA-MSCs-EVs, MIF: their crosstalk in immunosuppressive tumor microenvironment. J Transl Med 2022; 20:320. [PMID: 35842634 PMCID: PMC9287873 DOI: 10.1186/s12967-022-03528-y] [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: 04/06/2022] [Accepted: 07/08/2022] [Indexed: 11/24/2022] Open
Abstract
As an important component of the immunosuppressive tumor microenvironment (TME), it has been established that mesenchymal stem cells (MSCs) promote the progression of tumor cells. MSCs can directly promote the proliferation, migration, and invasion of tumor cells via cytokines and chemokines, as well as promote tumor progression by regulating the functions of anti-tumor immune and immunosuppressive cells. MSCs-derived extracellular vesicles (MSCs-EVs) contain part of the plasma membrane and signaling factors from MSCs; therefore, they display similar effects on tumors in the immunosuppressive TME. The tumor-promoting role of macrophage migration inhibitory factor (MIF) in the immunosuppressive TME has also been revealed. Interestingly, MIF exerts similar effects to those of MSCs in the immunosuppressive TME. In this review, we summarized the main effects and related mechanisms of tumor-associated MSCs (TA-MSCs), TA-MSCs-EVs, and MIF on tumors, and described their relationships. On this basis, we hypothesized that TA-MSCs-EVs, the MIF axis, and TA-MSCs form a positive feedback loop with tumor cells, influencing the occurrence and development of tumors. The functions of these three factors in the TME may undergo dynamic changes with tumor growth and continuously affect tumor development. This provides a new idea for the targeted treatment of tumors with EVs carrying MIF inhibitors.
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Affiliation(s)
- Zhenghou Zhang
- Department of General Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Xiangyu Zhou
- Department of General Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Jinshuai Guo
- Department of General Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Fusheng Zhang
- Department of General Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yiping Qian
- Department of General Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Guang Wang
- Department of General Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Meiqi Duan
- Department of General Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yutian Wang
- Department of General Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Haiying Zhao
- Department of General Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Zhi Yang
- Department of General Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Zunpeng Liu
- Department of Orthopedics, The Fourth Affiliated Hospital of China Medical University, Shenyang, China.
| | - Xiaofeng Jiang
- Department of General Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China.
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14
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Stevenson MM, Valanparambil RM, Tam M. Myeloid-Derived Suppressor Cells: The Expanding World of Helminth Modulation of the Immune System. Front Immunol 2022; 13:874308. [PMID: 35757733 PMCID: PMC9229775 DOI: 10.3389/fimmu.2022.874308] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 05/02/2022] [Indexed: 01/09/2023] Open
Abstract
Infection with helminths or parasitic worms are highly prevalent worldwide especially in developing regions. Helminths cause chronic infections that are associated with suppression of immune responses to unrelated pathogens, vaccines, and by-stander antigens responsible for dysregulated immune responses as occurs in diseases such as allergies. Helminths use multiple mechanisms to modulate the immune system to evade the highly polarized type 2 immune response required to expel adult worms and for immunity to reinfection. Anthelmintic drugs are efficient in reducing adult worm burdens in helminth-infected individuals, but resistance to these drugs is rapidly increasing and vaccines against these pathogens are not available. Emerging evidence indicate that helminths induce myeloid-derived suppressor cells (MDSC), originally described in tumor-bearing mice and cancer patients. MDSC are a heterogenous population of immature cells that consist of two distinct sub-populations, polymorphonuclear (PMN)-MDSC and monocytic (M)-MDSC based on morphology and phenotype. MDSC suppress the function of T cells and other innate and adaptive immune cells including NK cells and B cells. During cancer or infection with bacteria or viruses, there is marked expansion of MDSC. Furthermore, the frequencies of MDSC correlate inversely with the prognosis and survival of tumor-bearing hosts as well as bacterial and viral burdens, persistence, and outcome in infected hosts. Currently, there is a paucity of data on MDSC and helminth infections. Here, we provide a survey of the evidence accumulated so far that overall support a role for MDSC in modulating immune responses during helminth infections. We review data from studies in various helminths, including those that infect humans. Finally, we summarize the progress to date in understanding the role of MDSC in helminth infections and briefly discuss potential host-directed strategies to target MDSC-mediated suppression of immune responses to helminths in favor of development of immunity to eliminate adult worms and possibly induce protection against reinfection.
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Affiliation(s)
- Mary M Stevenson
- Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada.,Division of Experimental Medicine, Department of Medicine, McGill University, Montreal, QC, Canada
| | - Rajesh M Valanparambil
- Division of Experimental Medicine, Department of Medicine, McGill University, Montreal, QC, Canada
| | - Mifong Tam
- Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
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15
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Liu Z, Zhang S, Li H, Guo J, Wu D, Zhou W, Xie L. Cellular Interaction Analysis Characterizing Immunosuppressive Microenvironment Functions in MM Tumorigenesis From Precursor Stages. Front Genet 2022; 13:844604. [PMID: 35401705 PMCID: PMC8984155 DOI: 10.3389/fgene.2022.844604] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 02/17/2022] [Indexed: 12/14/2022] Open
Abstract
Cell–cell interaction event (CCEs) dysregulation may relate to the heterogeneity of the tumor microenvironment (TME) and would affect therapeutic responses and clinical outcomes. To reveal the alteration of the immune microenvironment in bone marrow from a healthy state to multiple myeloma (MM), scRNA-seq data of the four states, including healthy state normal bone marrow (NBM) and three disease states (MGUS, SMM, and MM), were collected for analysis. With immune microenvironment reconstruction, the cell types, including NK cells, CD8+ T cells, and CD4+ T cells, with a higher percentage in disease states were associated with prognosis of MM patients. Furthermore, CCEs were annotated and dysregulated CCEs were identified. The number of CCEs were significantly changed between disease states and NBM. The dysregulated CCEs participated in regulation of immune cell proliferation and immune response, such as MIF-TNFRSF14 interacted between early B cells and CD8+ T cells. Moreover, CCE genes related to drug response, including bortezomib and melphalan, provide candidate therapeutic markers for MM treatment. Furthermore, MM patients were separated into three risk groups based on the CCE prognostic signature. Immunoregulation-related differentiation and activation of CD4+ T cells corresponded to the progression status with moderate risk. These results provide a comprehensive understanding of the critical role of intercellular communication in the immune microenvironment over the evolution of premalignant MM, which is related to the tumorigenesis and progression of MM, which moreover, suggests a way of potential target selection for clinical intervention.
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Affiliation(s)
- Zhenhao Liu
- Department of Hematology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Key Laboratory of Carcinogenesis, National Health and Family Planning Commission, Cancer Research Institute, School of Basic Medical Science, Central South University, Changsha, China
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, Institute for Genome and Bioinformatics, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, China
| | - Siwen Zhang
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, Institute for Genome and Bioinformatics, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, China
| | - Hong Li
- Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiaojiao Guo
- Department of Hematology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Key Laboratory of Carcinogenesis, National Health and Family Planning Commission, Cancer Research Institute, School of Basic Medical Science, Central South University, Changsha, China
| | - Dan Wu
- Center for Biomedical Informatics, Shanghai Children’s Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Wen Zhou
- Department of Hematology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Key Laboratory of Carcinogenesis, National Health and Family Planning Commission, Cancer Research Institute, School of Basic Medical Science, Central South University, Changsha, China
- *Correspondence: Wen Zhou, ; Lu Xie,
| | - Lu Xie
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, Institute for Genome and Bioinformatics, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, China
- Bioinformatics Center, National Clinical Research Centre for Geriatric Disorders, Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Wen Zhou, ; Lu Xie,
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16
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Olivares-Hernández A, Figuero-Pérez L, Terán-Brage E, López-Gutiérrez Á, Velasco ÁT, Sarmiento RG, Cruz-Hernández JJ, Miramontes-González JP. Resistance to Immune Checkpoint Inhibitors Secondary to Myeloid-Derived Suppressor Cells: A New Therapeutic Targeting of Haematological Malignancies. J Clin Med 2021; 10:jcm10091919. [PMID: 33925214 PMCID: PMC8124332 DOI: 10.3390/jcm10091919] [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: 03/28/2021] [Revised: 04/17/2021] [Accepted: 04/23/2021] [Indexed: 01/11/2023] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are a set of immature myeloid lineage cells that include macrophages, granulocytes, and dendritic cell precursors. This subpopulation has been described in relation to the tumour processes at different levels, including resistance to immunotherapy, such as immune checkpoint inhibitors (ICIs). Currently, multiple studies at the preclinical and clinical levels seek to use this cell population for the treatment of different haematological neoplasms, together with ICIs. This review addresses the different points in ongoing studies of MDSCs and ICIs in haematological malignancies and their future significance in routine clinical practice.
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Affiliation(s)
- Alejandro Olivares-Hernández
- Department of Medical Oncology, University Hospital of Salamanca, 37007 Salamanca, Spain; (L.F.-P.); (E.T.-B.); (Á.L.-G.); (J.J.C.-H.)
- Institute for Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain;
- Correspondence: (A.O.-H.); (J.P.M.-G.); Tel.: +34-923-29-11-00 (A.O.-H.); +34-983-42-04-00 (J.P.M.-G.); Fax: +34-923-29-13-25 (A.O.-H.); +34-983-21-53-65 (J.P.M.-G.)
| | - Luis Figuero-Pérez
- Department of Medical Oncology, University Hospital of Salamanca, 37007 Salamanca, Spain; (L.F.-P.); (E.T.-B.); (Á.L.-G.); (J.J.C.-H.)
- Institute for Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain;
| | - Eduardo Terán-Brage
- Department of Medical Oncology, University Hospital of Salamanca, 37007 Salamanca, Spain; (L.F.-P.); (E.T.-B.); (Á.L.-G.); (J.J.C.-H.)
- Institute for Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain;
| | - Álvaro López-Gutiérrez
- Department of Medical Oncology, University Hospital of Salamanca, 37007 Salamanca, Spain; (L.F.-P.); (E.T.-B.); (Á.L.-G.); (J.J.C.-H.)
- Institute for Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain;
| | - Álvaro Tamayo Velasco
- Department of Haematology, University Hospital of Valladolid, 47003 Valladolid, Spain;
| | - Rogelio González Sarmiento
- Institute for Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain;
- Department of Medicine, University of Salamanca, 37007 Salamanca, Spain
| | - Juan Jesús Cruz-Hernández
- Department of Medical Oncology, University Hospital of Salamanca, 37007 Salamanca, Spain; (L.F.-P.); (E.T.-B.); (Á.L.-G.); (J.J.C.-H.)
- Institute for Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain;
- Department of Medicine, University of Salamanca, 37007 Salamanca, Spain
| | - José Pablo Miramontes-González
- Department of Internal Medicine, University Hospital Rio Hortega, 47012 Valladolid, Spain
- Department of Medicine, University of Valladolid, 45005 Valladolid, Spain
- Correspondence: (A.O.-H.); (J.P.M.-G.); Tel.: +34-923-29-11-00 (A.O.-H.); +34-983-42-04-00 (J.P.M.-G.); Fax: +34-923-29-13-25 (A.O.-H.); +34-983-21-53-65 (J.P.M.-G.)
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