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Jiang H, Zhu M, Guo P, Bi K, Lu Z, Li C, Zhai M, Wang K, Cao Y. Impaired myeloid-derived suppressor cells are associated with recurrent implantation failure: A case-control study. J Reprod Immunol 2021; 145:103316. [PMID: 33866110 DOI: 10.1016/j.jri.2021.103316] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 03/13/2021] [Accepted: 03/24/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND Studies have reported that myeloid-derived suppressor cells (MDSCs) contribute to maintain pregnancy. The aim of this case-control study was to test whether there is a dysregulation of peripheral MDSCs in recurrent implantation failure (RIF). METHODS 26 RIF patients and 30 controls were recruited. Flow cytometry was applied to characterize polymorphonuclear (PMN)-MDSCs, monocytic-MDSCs (M-MDSCs), effector T cells (Teffs) and regulatory T cells (Tregs) in blood. ELISA was used to define MDSCs correlative cytokines and chemokines in serum from all patients. RESULTS Compared with controls, RIF patients showed significant reductions of blood PMN-MDSCs, M-MDSCs, Tregs and NO production by PMN-MDSCs, whereas the expression of ζ chain on CD4+T cell receptor (TCR) and CD8+TCR displayed a remarkable upregulation in RIF patients. Moreover, RIF patients presented a lower concentration of serum chemokine (C-C motif) ligand (CCL) 5 and transforming growth factor (TGF)-β than those from controls. Furthermore, the level of TCR ζ chain on CD4+ and CD8+ Teffs was negatively correlated not only with the percentage of PMN-MDSCs, but also with the amount of NO produced by PMN-MDSCs. The frequency of PMN-MDSCs had positive correlations with the concentration of CCL5 and TGF-β. CONCLUSIONS This study indicated that the dysregulation of MDSCs might impair maternal-fetal immune balance thus resulting in RIF.
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Affiliation(s)
- Huanhuan Jiang
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei 230022, Anhui, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei 230032, Anhui, China; Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No 81 Meishan Road, Hefei 230032, Anhui, China; Anhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei 230032, Anhui, China; Biopreservation and Artificial Organs, Anhui Provincial Engineering Research Center, Anhui Medical University, No 81 Meishan Road, Hefei 230032, Anhui, China
| | - Mengting Zhu
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei 230022, Anhui, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei 230032, Anhui, China; Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No 81 Meishan Road, Hefei 230032, Anhui, China
| | - Peipei Guo
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei 230022, Anhui, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei 230032, Anhui, China; Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No 81 Meishan Road, Hefei 230032, Anhui, China
| | - Kaihuan Bi
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei 230022, Anhui, China; Anhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei 230032, Anhui, China; Biopreservation and Artificial Organs, Anhui Provincial Engineering Research Center, Anhui Medical University, No 81 Meishan Road, Hefei 230032, Anhui, China
| | - Zhimin Lu
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei 230022, Anhui, China; Anhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei 230032, Anhui, China; Biopreservation and Artificial Organs, Anhui Provincial Engineering Research Center, Anhui Medical University, No 81 Meishan Road, Hefei 230032, Anhui, China
| | - Caihua Li
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei 230022, Anhui, China; Anhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei 230032, Anhui, China
| | - Muxin Zhai
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei 230022, Anhui, China; Anhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei 230032, Anhui, China; Biopreservation and Artificial Organs, Anhui Provincial Engineering Research Center, Anhui Medical University, No 81 Meishan Road, Hefei 230032, Anhui, China
| | - Kangxia Wang
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei 230022, Anhui, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei 230032, Anhui, China; Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No 81 Meishan Road, Hefei 230032, Anhui, China; Anhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei 230032, Anhui, China; Biopreservation and Artificial Organs, Anhui Provincial Engineering Research Center, Anhui Medical University, No 81 Meishan Road, Hefei 230032, Anhui, China.
| | - Yunxia Cao
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei 230022, Anhui, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei 230032, Anhui, China; Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No 81 Meishan Road, Hefei 230032, Anhui, China; Anhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei 230032, Anhui, China; Biopreservation and Artificial Organs, Anhui Provincial Engineering Research Center, Anhui Medical University, No 81 Meishan Road, Hefei 230032, Anhui, China.
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Zalfa C, Paust S. Natural Killer Cell Interactions With Myeloid Derived Suppressor Cells in the Tumor Microenvironment and Implications for Cancer Immunotherapy. Front Immunol 2021; 12:633205. [PMID: 34025641 PMCID: PMC8133367 DOI: 10.3389/fimmu.2021.633205] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 02/12/2021] [Indexed: 12/17/2022] Open
Abstract
The tumor microenvironment (TME) is a complex and heterogeneous environment composed of cancer cells, tumor stroma, a mixture of tissue-resident and infiltrating immune cells, secreted factors, and extracellular matrix proteins. Natural killer (NK) cells play a vital role in fighting tumors, but chronic stimulation and immunosuppression in the TME lead to NK cell exhaustion and limited antitumor functions. Myeloid-derived suppressor cells (MDSCs) are a heterogeneous group of myeloid cells with potent immunosuppressive activity that gradually accumulate in tumor tissues. MDSCs interact with innate and adaptive immune cells and play a crucial role in negatively regulating the immune response to tumors. This review discusses MDSC-mediated NK cell regulation within the TME, focusing on critical cellular and molecular interactions. We review current strategies that target MDSC-mediated immunosuppression to enhance NK cell cytotoxic antitumor activity. We also speculate on how NK cell-based antitumor immunotherapy could be improved.
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Affiliation(s)
| | - Silke Paust
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, United States
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Sebestyén A, Kopper L, Dankó T, Tímár J. Hypoxia Signaling in Cancer: From Basics to Clinical Practice. Pathol Oncol Res 2021; 27:1609802. [PMID: 34257622 PMCID: PMC8262153 DOI: 10.3389/pore.2021.1609802] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 04/14/2021] [Indexed: 12/24/2022]
Abstract
Cancer hypoxia, recognized as one of the most important hallmarks of cancer, affects gene expression, metabolism and ultimately tumor biology-related processes. Major causes of cancer hypoxia are deficient or inappropriate vascularization and systemic hypoxia of the patient (frequently induced by anemia), leading to a unique form of genetic reprogramming by hypoxia induced transcription factors (HIF). However, constitutive activation of oncogene-driven signaling pathways may also activate hypoxia signaling independently of oxygen supply. The consequences of HIF activation in tumors are the angiogenic phenotype, a novel metabolic profile and the immunosuppressive microenvironment. Cancer hypoxia and the induced adaptation mechanisms are two of the major causes of therapy resistance. Accordingly, it seems inevitable to combine various therapeutic modalities of cancer patients by existing anti-hypoxic agents such as anti-angiogenics, anti-anemia therapies or specific signaling pathway inhibitors. It is evident that there is an unmet need in cancer patients to develop targeted therapies of hypoxia to improve efficacies of various anti-cancer therapeutic modalities. The case has been opened recently due to the approval of the first-in-class HIF2α inhibitor.
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Affiliation(s)
- Anna Sebestyén
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - László Kopper
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Titanilla Dankó
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - József Tímár
- 2nd Department of Pathology, Semmelweis University, Budapest, Hungary
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Herrero A, Benedicto A, Romayor I, Olaso E, Arteta B. Inhibition of COX-2 Impairs Colon Cancer Liver Metastasis through Reduced Stromal Cell Reaction. Biomol Ther (Seoul) 2021; 29:342-351. [PMID: 33455946 PMCID: PMC8094073 DOI: 10.4062/biomolther.2020.160] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 12/03/2020] [Accepted: 12/09/2020] [Indexed: 12/18/2022] Open
Abstract
Liver colonization is initiated through the interplay between tumor cells and adhesion molecules present in liver sinusoidal endothelial cells (LSECs). This crosstalk stimulates tumor COX-2 upregulation and PGE2 secretion. To elucidate the role of the LSEC intercellular adhesion molecule-1 (ICAM-1) in the prometastatic response exerted by tumor and stromal COX-2, we utilized celecoxib (CLX) as a COX-2 inhibitory agent. We analyzed the in vitro proliferative and secretory responses of murine C26 colorectal cancer (CRC) cells to soluble ICAM-1 (sICAM-1), cultured alone or with LSECs, and their effect on LSEC and hepatic stellate cell (HSC) migration and in vivo liver metastasis. CLX reduced sICAM-1-stimulated COX-2 activation and PGE2 secretion in C26 cells cultured alone or cocultured with LSECs. Moreover, CLX abrogated sICAM-1-induced C26 cell proliferation and C26 secretion of promigratory factors for LSECs and HSCs. Interestingly, CLX reduced the protumoral response of HSC, reducing their migratory potential when stimulated with C26 secretomes and impairing their secretion of chemotactic factors for LSECs and C26 cells and proliferative factors for C26 cells. In vivo, CLX abrogated the prometastatic ability of sICAM-1-activated C26 cells while reducing liver metastasis. COX-2 inhibition blocked the creation of a favorable tumor microenvironment (TME) by hindering the intratumoral recruitment of activated HSCs and macrophages in addition to the accumulation of fibrillar collagen. These results point to COX-2 being a key modulator of processes initiated by host ICAM-1 during tumor cell/LSEC/HSC crosstalk, leading to the creation of a prometastatic TME in the liver.
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Affiliation(s)
- Alba Herrero
- Department of Cell Biology and Histology, University of the Basque Country, School of Medicine and Nursing, Leioa 48940, Bizkaia, Spain
| | - Aitor Benedicto
- Department of Cell Biology and Histology, University of the Basque Country, School of Medicine and Nursing, Leioa 48940, Bizkaia, Spain
| | - Irene Romayor
- Department of Cell Biology and Histology, University of the Basque Country, School of Medicine and Nursing, Leioa 48940, Bizkaia, Spain
| | - Elvira Olaso
- Department of Cell Biology and Histology, University of the Basque Country, School of Medicine and Nursing, Leioa 48940, Bizkaia, Spain
| | - Beatriz Arteta
- Department of Cell Biology and Histology, University of the Basque Country, School of Medicine and Nursing, Leioa 48940, Bizkaia, Spain
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Sugita Y, Yamashita K, Fujita M, Saito M, Yamada K, Agawa K, Watanabe A, Fukuoka E, Hasegawa H, Kanaji S, Oshikiri T, Matsuda T, Nakamura T, Suzuki S, Kakeji Y. CD244 + polymorphonuclear myeloid‑derived suppressor cells reflect the status of peritoneal dissemination in a colon cancer mouse model. Oncol Rep 2021; 45:106. [PMID: 33907826 PMCID: PMC8072829 DOI: 10.3892/or.2021.8057] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 03/29/2021] [Indexed: 12/24/2022] Open
Abstract
Despite the recent development of chemotherapeutic agents, the prognosis of colorectal cancer (CRC) patients with peritoneal dissemination (PD) remains poor. The tumor immune microenvironment (TIME) has drawn attention as a key contributing factor of tumor progression. Of TIME components, myeloid-derived suppressor cells (MDSCs) are considered to play a responsible role in the immunosuppressive characteristics of the TIME. MDSCs are classified into two major subsets: Monocytic MDSCs (M-MDSCs) and polymorphonuclear MDSCs (PMN-MDSCs). Therefore, we hypothesize that MDSCs would play important roles in the PD-relevant TIME and PD progression. To address this hypothesis, we established PD mouse models. As the PD nodules consisted scarcely of immune cells, we focused on the peritoneal cavity, but not PD nodule, to evaluate the PD-relevant TIME. As a result, intraperitoneal PMN-MDSCs were found to be substantially increased in association with PD progression. Based on these results, we phenotypically and functionally verified the usefulness of CD244 for identifying PMN-MDSCs. In addition, the concentrations of interleukin (IL)-6 and granulocyte-colony stimulating factor (G-CSF) were significantly increased in the peritoneal cavity, both of which were produced by the tumors and thought to contribute to the increases in the PMN-MDSCs. In vivo depletion of the PMN-MDSCs by anti-Ly6G monoclonal antibody (mAb) significantly inhibited the PD progression and reverted CD4+ and CD8+ T cells in the peritoneal cavity and the peripheral blood. Collectively, these results suggest that the targeted therapy for PMN-MDSCs would provide not only new therapeutic value but also a novel strategy to synergize with T-cell-based immunotherapy for CRC-derived PD.
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Affiliation(s)
- Yutaka Sugita
- Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan
| | - Kimihiro Yamashita
- Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan
| | - Mitsugu Fujita
- Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan
| | - Masafumi Saito
- Department of Disaster and Emergency and Critical Care Medicine, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan
| | - Kota Yamada
- Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan
| | - Kyosuke Agawa
- Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan
| | - Akihiro Watanabe
- Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan
| | - Eiji Fukuoka
- Department of Gastroenterological Surgery, Hyogo Cancer Center, Akashi, Hyogo 673‑8558, Japan
| | - Hiroshi Hasegawa
- Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan
| | - Shingo Kanaji
- Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan
| | - Taro Oshikiri
- Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan
| | - Takeru Matsuda
- Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan
| | - Tetsu Nakamura
- Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan
| | - Satoshi Suzuki
- Division of Community Medicine and Medical Network, Department of Social Community Medicine and Health Science, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan
| | - Yoshihiro Kakeji
- Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan
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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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Wei Q, Singh O, Ekinci C, Gill J, Li M, Mamatjan Y, Karimi S, Bunda S, Mansouri S, Aldape K, Zadeh G. TNFα secreted by glioma associated macrophages promotes endothelial activation and resistance against anti-angiogenic therapy. Acta Neuropathol Commun 2021; 9:67. [PMID: 33853689 PMCID: PMC8048292 DOI: 10.1186/s40478-021-01163-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 03/19/2021] [Indexed: 02/07/2023] Open
Abstract
One of the most prominent features of glioblastoma (GBM) is hyper-vascularization. Bone marrow-derived macrophages are actively recruited to the tumor and referred to as glioma-associated macrophages (GAMs) which are thought to provide a critical role in tumor neo-vascularization. However, the mechanisms by which GAMs regulate endothelial cells (ECs) in the process of tumor vascularization and response to anti-angiogenic therapy (AATx) is not well-understood. Here we show that GBM cells secrete IL-8 and CCL2 which stimulate GAMs to produce TNFα. Subsequently, TNFα induces a distinct gene expression signature of activated ECs including VCAM-1, ICAM-1, CXCL5, and CXCL10. Inhibition of TNFα blocks GAM-induced EC activation both in vitro and in vivo and improve survival in mouse glioma models. Importantly we show that high TNFα expression predicts worse response to Bevacizumab in GBM patients. We further demonstrated in mouse model that treatment with B20.4.1.1, the mouse analog of Bevacizumab, increased macrophage recruitment to the tumor area and correlated with upregulated TNFα expression in GAMs and increased EC activation, which may be responsible for the failure of AATx in GBMs. These results suggest TNFα is a novel therapeutic that may reverse resistance to AATx. Future clinical studies should be aimed at inhibiting TNFα as a concurrent therapy in GBMs.
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Recent advances in tumor microenvironment-targeted nanomedicine delivery approaches to overcome limitations of immune checkpoint blockade-based immunotherapy. J Control Release 2021; 332:109-126. [DOI: 10.1016/j.jconrel.2021.02.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 01/24/2021] [Accepted: 02/04/2021] [Indexed: 02/07/2023]
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Lin E, Liu X, Liu Y, Zhang Z, Xie L, Tian K, Liu J, Yu Y. Roles of the Dynamic Tumor Immune Microenvironment in the Individualized Treatment of Advanced Clear Cell Renal Cell Carcinoma. Front Immunol 2021; 12:653358. [PMID: 33746989 PMCID: PMC7970116 DOI: 10.3389/fimmu.2021.653358] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 02/12/2021] [Indexed: 02/05/2023] Open
Abstract
Immune checkpoint inhibitors (ICIs) are currently a first-line treatment option for clear cell renal cell carcinoma (ccRCC). However, recent clinical studies have shown that a large number of patients do not respond to ICIs. Moreover, only a few patients achieve a stable and durable response even with combination therapy based on ICIs. Available studies have concluded that the response to immunotherapy and targeted therapy in patients with ccRCC is affected by the tumor immune microenvironment (TIME), which can be manipulated by targeted therapy and tumor genomic characteristics. Therefore, an in-depth understanding of the dynamic nature of the TIME is important for improving the efficacy of immunotherapy or combination therapy in patients with advanced ccRCC. Here, we explore the possible mechanisms by which the TIME affects the efficacy of immunotherapy and targeted therapy, as well as the factors that drive dynamic changes in the TIME in ccRCC, including the immunomodulatory effect of targeted therapy and genomic changes. We also describe the progress on novel therapeutic modalities for advanced ccRCC based on the TIME. Overall, this review provides valuable information on the optimization of combination therapy and development of individualized therapy for advanced ccRCC.
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MESH Headings
- Antineoplastic Combined Chemotherapy Protocols/pharmacology
- Antineoplastic Combined Chemotherapy Protocols/therapeutic use
- Biomarkers, Tumor/antagonists & inhibitors
- Biomarkers, Tumor/genetics
- Carcinoma, Renal Cell/drug therapy
- Carcinoma, Renal Cell/genetics
- Carcinoma, Renal Cell/immunology
- Carcinoma, Renal Cell/mortality
- Drug Resistance, Neoplasm/drug effects
- Drug Resistance, Neoplasm/genetics
- Gene Expression Regulation, Neoplastic/drug effects
- Gene Expression Regulation, Neoplastic/immunology
- Humans
- Immune Checkpoint Inhibitors/pharmacology
- Immune Checkpoint Inhibitors/therapeutic use
- Kidney Neoplasms/drug therapy
- Kidney Neoplasms/genetics
- Kidney Neoplasms/immunology
- Kidney Neoplasms/mortality
- Molecular Targeted Therapy/methods
- Precision Medicine/methods
- Progression-Free Survival
- Randomized Controlled Trials as Topic
- Tumor Microenvironment/drug effects
- Tumor Microenvironment/genetics
- Tumor Microenvironment/immunology
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Affiliation(s)
- Enyu Lin
- Department of Urology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Shantou University Medical College, Shantou, China
| | - Xuechao Liu
- Department of Gastrointestinal Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yanjun Liu
- Department of Immunology, School of Basic Medical Science, Southern Medical University, Guangzhou, China
| | - Zedan Zhang
- Department of Urology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Shantou University Medical College, Shantou, China
| | - Lu Xie
- Department of Urology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Kaiwen Tian
- Department of Urology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Jiumin Liu
- Department of Urology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Yuming Yu
- Department of Urology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
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Lan M, Lu W, Zou T, Li L, Liu F, Cai T, Cai Y. Role of inflammatory microenvironment: potential implications for improved breast cancer nano-targeted therapy. Cell Mol Life Sci 2021; 78:2105-2129. [PMID: 33386887 PMCID: PMC11073202 DOI: 10.1007/s00018-020-03696-4] [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: 05/24/2020] [Revised: 09/20/2020] [Accepted: 10/31/2020] [Indexed: 02/06/2023]
Abstract
Tumor cells, inflammatory cells and chemical factors work together to mediate complex signaling networks, which forms inflammatory tumor microenvironment (TME). The development of breast cancer is closely related to the functional activities of TME. This review introduces the origins of cancer-related chronic inflammation and the main constituents of inflammatory microenvironment. Inflammatory microenvironment plays an important role in breast cancer growth, metastasis, drug resistance and angiogenesis through multifactorial mechanisms. It is suggested that inflammatory microenvironment contributes to providing possible mechanisms of drug action and modes of drug transport for anti-cancer treatment. Nano-drug delivery system (NDDS) becomes a popular topic for optimizing the design of tumor targeting drugs. It is seen that with the development of therapeutic approaches, NDDS can be used to achieve drug-targeted delivery well across the biological barriers and into cells, resulting in superior bioavailability, drug dose reduction as well as off-target side effect elimination. This paper focuses on the review of modulation mechanisms of inflammatory microenvironment and combination with nano-targeted therapeutic strategies, providing a comprehensive basis for further research on breast cancer prevention and control.
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Affiliation(s)
- Meng Lan
- College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Wenping Lu
- Guang an'men Hospital China Academy of Chinese Medical Sciences, Beijing, China
| | - Tengteng Zou
- College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Lihong Li
- College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Fengjie Liu
- College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Tiange Cai
- College of Life Sciences, Liaoning University, Shenyang, 110036, China.
| | - Yu Cai
- College of Pharmacy, Jinan University, Guangzhou, 510632, China.
- Cancer Research Institute of Jinan University, Guangzhou, China.
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), School of Pharmacy, Jinan University, Guangzhou, China.
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61
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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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Ren Y, Dong X, Zhao H, Feng J, Chen B, Zhou Y, Peng Y, Zhang L, Zhou Q, Li Y, Wu M, He Y. Myeloid-derived suppressor cells improve corneal graft survival through suppressing angiogenesis and lymphangiogenesis. Am J Transplant 2021; 21:552-566. [PMID: 32892499 DOI: 10.1111/ajt.16291] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 08/04/2020] [Accepted: 08/24/2020] [Indexed: 01/25/2023]
Abstract
Myeloid-derived suppressor cells (MDSC) are one of the major negative regulators of immune responses during many pathological conditions such as cancer and transplantation. Emerging evidence indicates that MDSC also contribute to tumor progression through their pro-angiogenic activity in addition to immunosuppressive function. However, virtually nothing is known about the role of MDSC in the regulation of neovascularization after transplantation. Here we showed that antibody-mediated depletion of MDSC in mice led to robust growth of blood and lymphatic neovessels and rapid allograft rejection after corneal penetrating keratoplasty. In contrast, adoptive transfer of ex vivo generated MDSC from cytokine-treated bone marrow cells (evMDSC) suppressed neovascularization and prolonged corneal allograft survival in an inducible nitric oxide synthase (iNOS)-dependent manner. Mechanistically, compared to naïve MDSC control, evMDSC have increased expression of an anti-angiogenic factor thrombospondin 1 (Tsp-1) and decreased expression of two critical pro-angiogenic factors, vascular endothelial growth factor A (VEGF-A), and VEGF-C. These findings demonstrate MDSC as a critical anti-angiogenic regulator during transplantation. Our study also indicates that evMDSC are a valuable candidate agent for development of novel cell therapy to improve allograft survival after transplantation.
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Affiliation(s)
- Yuerong Ren
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
| | - Xiaonan Dong
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Han Zhao
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
| | - Jianing Feng
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
| | - Baihua Chen
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
| | - Yedi Zhou
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
| | - Yingqian Peng
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
| | - Liwei Zhang
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
| | - Qinghua Zhou
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
| | - Yunping Li
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
| | - Mengbo Wu
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
| | - Yan He
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
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Ma C, Zhang Q, Greten TF. MDSCs in liver cancer: A critical tumor-promoting player and a potential therapeutic target. Cell Immunol 2021; 361:104295. [PMID: 33508529 DOI: 10.1016/j.cellimm.2021.104295] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 12/23/2020] [Accepted: 01/11/2021] [Indexed: 02/07/2023]
Abstract
Liver cancer is a leading cause of cancer deaths worldwide. Hepatocellular carcinoma (~75-85%) and cholangiocarcinoma (~10-15%) account for the majority of primary liver malignancies. Patients with primary liver cancer are often diagnosed with unresectable diseases and do not respond well to current therapies. The liver is also a common site of metastasis. Liver metastasis is difficult to treat, and the prognosis is poor. Myeloid-derived suppressor cells (MDSCs) are a heterogeneous population of immature myeloid cells with immunosuppressive activity. MDSCs are an important component of the tumor microenvironment and promote tumor progression through various mechanisms. MDSCs expand in both liver cancer patients and mouse liver cancer models. Importantly, MDSCs correlate with poor clinical outcomes for liver cancer patients. The tumor-promoting functions of MDSCs have also been shown in mouse liver cancer models. All these studies suggest that targeting MDSCs can potentially benefit liver cancer treatment. This review summarizes the current findings of MDSC regulation in liver cancer and related disease conditions.
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Affiliation(s)
- Chi Ma
- Gastrointestinal Malignancy Section, Thoracic and GI Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Qianfei Zhang
- Gastrointestinal Malignancy Section, Thoracic and GI Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Tim F Greten
- Gastrointestinal Malignancy Section, Thoracic and GI Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; NCI-CCR Liver Cancer Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA.
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64
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Fenselau C, Ostrand-Rosenberg S. Molecular cargo in myeloid-derived suppressor cells and their exosomes. Cell Immunol 2021; 359:104258. [PMID: 33338939 PMCID: PMC7802618 DOI: 10.1016/j.cellimm.2020.104258] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 11/25/2020] [Accepted: 12/03/2020] [Indexed: 12/12/2022]
Abstract
Collaborative research is reviewed in which mass spectrometry-based proteomics and next generation sequencing were used qualitatively and quantitatively to interrogate proteins and RNAs carried in intact myeloid-derived suppressor cells (MDSC) and exosomes shed in vitro by MDSC. In aggregate exosomes more than 4000 proteins were identified, including annexins and immunosuppressive mediators. Bioassays showed that exosomes induce MDSC chemotaxis dependent on S100A8 and S100A9 in their cargo. Surface selective chemistry identified glycoproteins on MDSC and exosome surfaces, including CD47 and thrombospondin 1, which both facilitate exosome-catalyzed chemotaxis. Large numbers of mRNAs and microRNAs were identified in aggregate exosomes, whose potential functions in receptor cells include angiogenesis, and proinflammatory and immunosuppressive activities. Inflammation was found to have asymmetric effects on MDSC and exosomal cargos. Collectively, our findings indicate that the exosomes shed by MDSC provide divergent and complementary functions that support the immunosuppression and tumor promotion activities of MDSC.
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Affiliation(s)
- Catherine Fenselau
- Department of Chemistry and Biochemistry, University of Maryland, College Park, MD 20742, United States.
| | - Suzanne Ostrand-Rosenberg
- Department of Biological Sciences, University of Maryland, Baltimore County, MD 20742, United States; Department of Pathology, University of Utah, Huntsman Cancer Institute, Salt Lake City, UT 84112, United States
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65
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Iwamoto H, Izumi K, Mizokami A. Is the C-C Motif Ligand 2-C-C Chemokine Receptor 2 Axis a Promising Target for Cancer Therapy and Diagnosis? Int J Mol Sci 2020; 21:ijms21239328. [PMID: 33297571 PMCID: PMC7730417 DOI: 10.3390/ijms21239328] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 12/03/2020] [Accepted: 12/05/2020] [Indexed: 12/13/2022] Open
Abstract
C-C motif ligand 2 (CCL2) was originally reported as a chemical mediator attracting mononuclear cells to inflammatory tissue. Many studies have reported that CCL2 can directly activate cancer cells through a variety of mechanisms. CCL2 can also promote cancer progression indirectly through increasing the recruitment of tumor-associated macrophages into the tumor microenvironment. The role of CCL2 in cancer progression has gradually been understood, and various preclinical cancer models elucidate that CCL2 and its receptor C-C chemokine receptor 2 (CCR2) are attractive targets for intervention in cancer development. However, clinically available drugs that regulate the CCL2-CCR2 axis as anticancer agents are not available at this time. The complete elucidation of not only the oncological but also the physiological functions of the CCL2-CCR2 axis is required for achieving a satisfactory effect of the CCL2-CCR2 axis-targeted therapy.
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Affiliation(s)
| | - Kouji Izumi
- Correspondence: ; Tel.: +81-76-265-2393; Fax: +81-76-234-4263
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66
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Lan H, Zhang W, Jin K, Liu Y, Wang Z. Modulating barriers of tumor microenvironment through nanocarrier systems for improved cancer immunotherapy: a review of current status and future perspective. Drug Deliv 2020; 27:1248-1262. [PMID: 32865029 PMCID: PMC7470050 DOI: 10.1080/10717544.2020.1809559] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 08/10/2020] [Accepted: 08/10/2020] [Indexed: 12/12/2022] Open
Abstract
Cancer immunotherapy suppresses and destroys tumors by re-activating and sustaining the tumor-immune process, and thus improving the immune response of the body to the tumor. Immunotherapeutic strategies are showing promising results in pre-clinical and clinical trials, however, tumor microenvironment (TME) is extremely immunosuppressive. Thus, their translation from labs to clinics still faces issues. Recently, nanomaterial-based strategies have been developed to modulate the TME for robust immunotherapeutic responses. The combination of nanotechnology with immunotherapy potentiates the effectiveness of immunotherapy by increasing delivery and retention, and by reducing immunomodulation toxicity. This review aims to highlight the barriers offered by TME for hindering the efficiency of immunotherapy for cancer treatment. Next, we highlight various nano-carriers based strategies for modulating those barriers for achieving better therapeutic efficacy of cancer immunotherapy with higher safety. This review will add to the body of scientific knowledge and will be a good reference material for academia and industries.
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Affiliation(s)
- Huanrong Lan
- Department of Breast and Thyroid Surgery, Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang Province, China
| | - Wei Zhang
- Rehabilitation and Sports Medicine Research Institute of Zhejiang Province, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou, China
| | - Ketao Jin
- Department of Colorectal Surgery, Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang Province, China
| | - Yuyao Liu
- Department of Colorectal Surgery, Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang Province, China
| | - Zhen Wang
- Rehabilitation and Sports Medicine Research Institute of Zhejiang Province, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou, China
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67
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Liu BQ, Bao ZY, Zhu JY, Liu H. Fibrinogen-like protein 2 promotes the accumulation of myeloid-derived suppressor cells in the hepatocellular carcinoma tumor microenvironment. Oncol Lett 2020; 21:47. [PMID: 33281958 PMCID: PMC7709556 DOI: 10.3892/ol.2020.12308] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 10/19/2020] [Indexed: 12/19/2022] Open
Abstract
The tumor microenvironment in hepatocellular carcinoma can be classified into cellular and non-cellular components. Myeloid-derived suppressor cells (MDSCs) are cellular components of this microenvironment that serve an important role in the progression of hepatocellular carcinoma. Fibrinogen-like protein 2 (FGL2) has been demonstrated to promote tumor progression by regulating cellular components of the tumor microenvironment in various types of malignant tumor. The present study aimed to determine the expression of FGL2 in hepatocellular carcinoma and its effect on the tumor microenvironment in order to determine novel targets for liver cancer treatment. Immunohistochemistry and reverse transcription quantitative PCR were performed to determine the expression level of FGL2 and the correlation with surface markers of human MDSCs in hepatocellular carcinoma. Furthermore, a mouse hepatocellular carcinoma cell line overexpressing FGL2 was established by stable transfection of a lentivirus expressing FGL2. In addition, fresh bone marrow cells extracted from mouse femurs were in vitro cultured using conditioned medium derived from the cell line overexpressing FGL2. An orthotopic hepatocellular carcinoma mouse model was also established. The results demonstrated that FGL2 expression level in hepatocellular carcinoma tissues was closely associated with tumor size. FGL2 level was positively correlated with the expression level of the MDSC surface markers CD11b and CD33 in hepatocellular carcinoma. The in vitro results demonstrated that FGL2 could maintain the undifferentiated state of bone marrow cells, therefore promoting MDSC accumulation. Furthermore, in the orthotopic hepatocellular carcinoma mouse model, we observed that overexpression of FGL2 could promote tumor growth and significantly increase the number of MDSCs in the tumors and spleen. Taken together, these findings suggested that FGL2 may promote hepatocellular carcinoma tumor growth by promoting the accumulation of MDSCs in the tumor microenvironment.
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Affiliation(s)
- Bo-Qian Liu
- Department of Transplant and Hepatobilliary Surgery, The First Hospital of China Medical University, Shenyang, Liaoning 110000, P.R. China.,Department of Anorectal Surgery, The People's Hospital of Liaoning Province, Shenyang, Liaoning 110000, P.R. China
| | - Zhi-Ye Bao
- Department of Transplant and Hepatobilliary Surgery, The First Hospital of China Medical University, Shenyang, Liaoning 110000, P.R. China
| | - Jia-Yi Zhu
- Department of Transplant and Hepatobilliary Surgery, The First Hospital of China Medical University, Shenyang, Liaoning 110000, P.R. China
| | - Hao Liu
- Department of Transplant and Hepatobilliary Surgery, The First Hospital of China Medical University, Shenyang, Liaoning 110000, P.R. China
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Hack SP, Zhu AX, Wang Y. Augmenting Anticancer Immunity Through Combined Targeting of Angiogenic and PD-1/PD-L1 Pathways: Challenges and Opportunities. Front Immunol 2020; 11:598877. [PMID: 33250900 PMCID: PMC7674951 DOI: 10.3389/fimmu.2020.598877] [Citation(s) in RCA: 140] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 10/08/2020] [Indexed: 12/11/2022] Open
Abstract
Cancer immunotherapy (CIT) with antibodies targeting the programmed cell death 1 protein (PD-1)/programmed cell death 1 ligand 1 (PD-L1) axis have changed the standard of care in multiple cancers. However, durable antitumor responses have been observed in only a minority of patients, indicating the presence of other inhibitory mechanisms that act to restrain anticancer immunity. Therefore, new therapeutic strategies targeted against other immune suppressive mechanisms are needed to enhance anticancer immunity and maximize the clinical benefit of CIT in patients who are resistant to immune checkpoint inhibition. Preclinical and clinical studies have identified abnormalities in the tumor microenvironment (TME) that can negatively impact the efficacy of PD-1/PD-L1 blockade. Angiogenic factors such as vascular endothelial growth factor (VEGF) drive immunosuppression in the TME by inducing vascular abnormalities, suppressing antigen presentation and immune effector cells, or augmenting the immune suppressive activity of regulatory T cells, myeloid-derived suppressor cells, and tumor-associated macrophages. In turn, immunosuppressive cells can drive angiogenesis, thereby creating a vicious cycle of suppressed antitumor immunity. VEGF-mediated immune suppression in the TME and its negative impact on the efficacy of CIT provide a therapeutic rationale to combine PD-1/PD-L1 antibodies with anti-VEGF drugs in order to normalize the TME. A multitude of clinical trials have been initiated to evaluate combinations of a PD-1/PD-L1 antibody with an anti-VEGF in a variety of cancers. Recently, the positive results from five Phase III studies in non-small cell lung cancer (adenocarcinoma), renal cell carcinoma, and hepatocellular carcinoma have shown that combinations of PD-1/PD-L1 antibodies and anti-VEGF agents significantly improved clinical outcomes compared with respective standards of care. Such combinations have been approved by health authorities and are now standard treatment options for renal cell carcinoma, non-small cell lung cancer, and hepatocellular carcinoma. A plethora of other randomized studies of similar combinations are currently ongoing. Here, we discuss the principle mechanisms of VEGF-mediated immunosuppression studied in preclinical models or as part of translational clinical studies. We also discuss data from recently reported randomized clinical trials. Finally, we discuss how these concepts and approaches can be further incorporated into clinical practice to improve immunotherapy outcomes for patients with cancer.
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Affiliation(s)
- Stephen P. Hack
- Product Development (Oncology), Genentech, Inc., South San Francisco, CA, United States
| | - Andrew X. Zhu
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, United States
- Jiahui International Cancer Center, Jiahui Health, Shanghai, China
| | - Yulei Wang
- Product Development (Oncology), Genentech, Inc., South San Francisco, CA, United States
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Siebert N, Zumpe M, von Lojewski L, Troschke-Meurer S, Marx M, Lode HN. Reduction of CD11b + myeloid suppressive cells augments anti-neuroblastoma immune response induced by the anti-GD 2 antibody ch14.18/CHO. Oncoimmunology 2020; 9:1836768. [PMID: 33150046 PMCID: PMC7588217 DOI: 10.1080/2162402x.2020.1836768] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Neuroblastoma (NB) still remains a major challenge in pediatric oncology. We recently showed CD11b+-dependent upregulation of the PD-1/PD-L1 checkpoint on NB cells treated with the chimeric anti-GD2 antibody (Ab) ch14.18/CHO. Here, we report effects of reduction of CD11b+ myeloid suppressive cells on ch14.18/CHO immunotherapy against NB. Flow cytometry, immunohistochemistry and RT-PCR were used to assess tumor infiltrating leukocytes and expression of myeloid suppressive cell-associated genes. XTT assay was used to show impact of 5-FU on tumor and effector cells. Antitumor effects of the combined treatment with ch14.18/CHO and reduction of myeloid suppressive cells were evaluated in a syngeneic NB mouse model. Tumor tissue of untreated mice showed a strong infiltration by CD11b+ cells (53% of all tumor infiltrating leukocytes). RT-PCR analysis of tumors revealed strong expression of the myeloid suppressive cell-associated genes analyzed with the strongest induction of M-CSFr, CCL2, IL-1β, IL-4, IL-6 r, IL-8, Arg1, and NOS2. Compared to controls, application of anti-CD11b Ab resulted in reduction of both CD11b+ cells in tumors and expression of myeloid suppressive cell-associated genes as well as delayed tumor growth and prolonged survival. These effects could be further improved by 5-FU. Importantly, the combinatorial immunotherapy with ch14.18/CHO and 5-FU showed the strongest antitumor effects and superior survival rates. In conclusion, reduction of immune suppressive myeloid cells augments anti-NB efficacy of a ch14.18/CHO-based immunotherapy representing a new effective treatment strategy against GD2-positive cancers.
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Affiliation(s)
- Nikolai Siebert
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald, Greifswald, Germany
| | - Maxi Zumpe
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald, Greifswald, Germany
| | - Leon von Lojewski
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald, Greifswald, Germany
| | - Sascha Troschke-Meurer
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald, Greifswald, Germany
| | - Madlen Marx
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald, Greifswald, Germany
| | - Holger N Lode
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald, Greifswald, Germany
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Hofman P. New insights into the interaction of the immune system with non-small cell lung carcinomas. Transl Lung Cancer Res 2020; 9:2199-2213. [PMID: 33209644 PMCID: PMC7653157 DOI: 10.21037/tlcr-20-178] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The basis of current and future lung cancer immunotherapy depends mainly on our knowledge of the molecular mechanisms of interactions between cancer and immune cells (ICs), as well as on interactions occurring between the different populations of intra-tumor ICs. These interactions are very complex, as virtually all immune cell types, including macrophages, neutrophils, mast cells, natural killer (NK) cells, dendritic cells and T and B lymphocytes can infiltrate lung cancer tissues at the same time. Moreover these interactions lead to progressive emergence of an imbalance in ICs. Initially ICs have an anti-tumor effect but then induce immune tolerance and eventually tumor progression and dissemination. All the cells of innate and adaptive intra-tumor immunity engage in this progressive phenotypic switch. A majority of non-small cell lung carcinoma (NSCLC) patients do not benefit from the expected positive responses associated with current immunotherapy. Thus, there is urgent need to better understand the different roles of the associated cancer ICs. This review summarizes some of the new insights into this domain, with particular focus on: the myeloid cell population associated with tumors, the tertiary lymphoid structures (TLSs), the role of the P2 purinergic receptors (P2R) and ATP, and the new concept of the “liquid microenvironment” implying blood circulating ICs.
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Affiliation(s)
- Paul Hofman
- CHU Nice, FHU OncoAge, Laboratory of Clinical and Experimental Pathology, Pasteur Hospital, Université Côte d'Azur, Nice, France.,CNRS, INSERM, IRCAN, FHU OncoAge, Team 4, Hospital-Integrated Biobank, Université Côte d'Azur, Nice, France.,CHU Nice, FHU OncoAge, Hospital-Integrated Biobank, Université Côte d'Azur, Nice, France
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71
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Gordon B, Gadi VK. The Role of the Tumor Microenvironment in Developing Successful Therapeutic and Secondary Prophylactic Breast Cancer Vaccines. Vaccines (Basel) 2020; 8:vaccines8030529. [PMID: 32937885 PMCID: PMC7565925 DOI: 10.3390/vaccines8030529] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 09/09/2020] [Accepted: 09/13/2020] [Indexed: 12/12/2022] Open
Abstract
Breast cancer affects roughly one in eight women over their lifetime and is a leading cause of cancer-related death in women. While outcomes have improved in recent years, prognosis remains poor for patients who present with either disseminated disease or aggressive molecular subtypes. Cancer immunotherapy has revolutionized the treatment of several cancers, with therapeutic vaccines aiming to direct the cytotoxic immune program against tumor cells showing particular promise. However, these results have yet to translate to breast cancer, which remains largely refractory from such approaches. Recent evidence suggests that the breast tumor microenvironment (TME) is an important and long understudied barrier to the efficacy of therapeutic vaccines. Through an improved understanding of the complex and biologically diverse breast TME, it may be possible to advance new combination strategies to render breast carcinomas sensitive to the effects of therapeutic vaccines. Here, we discuss past and present efforts to advance therapeutic vaccines in the treatment of breast cancer, the molecular mechanisms through which the TME contributes to the failure of such approaches, as well as the potential means through which these can be overcome.
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Affiliation(s)
- Benjamin Gordon
- Department of Physiology and Biophysics, University of Illinois College of Medicine, Chicago, IL 60612, USA
- Medical Scientist Training Program, University of Illinois College of Medicine, Chicago, IL 60612, USA
- Correspondence:
| | - Vijayakrishna K. Gadi
- Division of Hematology and Oncology, University of Illinois Cancer Center, University of Illinois at Chicago, Chicago, IL 60612, USA;
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Zarobkiewicz M, Kowalska W, Chocholska S, Tomczak W, Szymańska A, Morawska I, Wojciechowska A, Bojarska-Junak A. High M-MDSC Percentage as a Negative Prognostic Factor in Chronic Lymphocytic Leukaemia. Cancers (Basel) 2020; 12:cancers12092614. [PMID: 32937740 PMCID: PMC7563618 DOI: 10.3390/cancers12092614] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 08/29/2020] [Accepted: 09/10/2020] [Indexed: 12/14/2022] Open
Abstract
Simple Summary Chronic lymphocytic leukaemia (CLL) is a malignancy of mature B cells. Tumour microenvironment is important for survival and proliferation of malignant cells. In the current study, we investigated the potential role of circulating monocytic myeloid-derived suppressor cells (M-MDSC) in CLL. We have observed an increased percentage of M-MDSC cells in CLL patients. Moreover, we have observed a close association with unfavourable prognostic markers, which suggests a potential role of M-MDSC as a prognostic factor in CLL. We have established an association between a high M-MDSC percentage on the one side and shorter time-to-treatment and overall survival on the other. Therefore, we strongly suggest to use M-MDSC percentage as another prognostic factor. Abstract In the current study, we analysed the role and prognostic value of myeloid-derived suppressor cells (MDSC) in chronic lymphocytic leukaemia (CLL). The frequency of circulating monocytic MDSC (M-MDSC; defined as CD14+CD11b+CD15-HLA-DR-/low cells) was assessed in correlation with clinical and laboratory parameters characterising the disease activity and patient immune status. Samples of peripheral blood from untreated CLL patients and healthy volunteers were stained with monoclonal antibodies for flow cytometry analysis. CLL patients with M-MDSC percentages above 9.35% (according to the receiver operating characteristic (ROC) analysis) had a shorter time-to-treatment and shorter survival time than the group with a lower percentage of M-MDSC. The M-MDSC percentage was higher in patients with adverse prognostic factors (i.e., 17p and 11q deletion and CD38 and ZAP-70 expression). A high M-MDSC percentage was linked to significantly lower expression of the CD3ζ in T cells. Furthermore, an analysis of immune regulatory molecules (arginase 1 (ARG1), nitric oxide synthase (NOS2), indoleamine 2,3-dioxygenase (IDO), transforming growth factor beta (TGF-β), and interleukin (IL)-10) was performed. By the means of flow cytometry and RT-qPCR, we showed an overexpression of three of them in M-MDSC of CLL patients. M-MDSC cells seem to be an important factor in the immunosuppressive microenvironment of CLL and seem to be a good and novel prognostic factor
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Affiliation(s)
- Michał Zarobkiewicz
- Department of Clinical Immunology, Medical University of Lublin, 20-093 Lublin, Poland; (W.K.); (I.M.)
- Correspondence: (M.Z.); (A.B.-J.); Tel.: +48-81-4486420 (M.Z. & A.B.-J.)
| | - Wioleta Kowalska
- Department of Clinical Immunology, Medical University of Lublin, 20-093 Lublin, Poland; (W.K.); (I.M.)
| | - Sylwia Chocholska
- Department of Haematooncology and Bone Marrow Transplantation, Medical University of Lublin, 20-080 Lublin, Poland; (S.C.); (W.T.)
| | - Waldemar Tomczak
- Department of Haematooncology and Bone Marrow Transplantation, Medical University of Lublin, 20-080 Lublin, Poland; (S.C.); (W.T.)
| | - Agata Szymańska
- Department of Clinical Transplantology, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Izabela Morawska
- Department of Clinical Immunology, Medical University of Lublin, 20-093 Lublin, Poland; (W.K.); (I.M.)
| | | | - Agnieszka Bojarska-Junak
- Department of Clinical Immunology, Medical University of Lublin, 20-093 Lublin, Poland; (W.K.); (I.M.)
- Correspondence: (M.Z.); (A.B.-J.); Tel.: +48-81-4486420 (M.Z. & A.B.-J.)
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73
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Qin XS, Zhang CL, Huang ZS. Influence of tumor microenvironment on angiogenesis in hepatocellular carcinoma. Shijie Huaren Xiaohua Zazhi 2020; 28:493-500. [DOI: 10.11569/wcjd.v28.i12.493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Liver cancer is one of the main malignant tumors that endanger human health, and hepatocellular carcinoma (HCC) is the most common histological type of this heterogeneous cancer. The tumor microenvironment (TME) is a dynamic system composed of tumor cells and tumor-related stroma. HCC can form tumor-related blood vessels through a variety of angiogenesis modes. Previous studies have shown that various components of TME mediate HCC angiogenesis in multiple ways, which brings big challenges to clinical anti-angiogenesis therapy. This article reviews the research progress of HCC angiogenesis model and the role of TME in the regulation of HCC angiogenesis, with an aim to provide a reference for basic and clinical research of liver cancer.
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Affiliation(s)
- Xiao-Shan Qin
- Department of Gastroenterology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, Guangxi Zhuang Autonomous Region, China,Graduate School of Youjiang Medical University for Nationalities, Baise 533000, Guangxi Zhuang Autonomous Region, China
| | - Cai-Ling Zhang
- Graduate School of Youjiang Medical University for Nationalities, Baise 533000, Guangxi Zhuang Autonomous Region, China
| | - Zan-Song Huang
- Department of Gastroenterology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, Guangxi Zhuang Autonomous Region, China,Guangxi Clinical Research Center for Hepatobiliary Diseases, Baise 533000, Guangxi Zhuang Autonomous Region, China
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74
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Jin S, Yang Z, Hao X, Tang W, Ma W, Zong H. Roles of HMGB1 in regulating myeloid-derived suppressor cells in the tumor microenvironment. Biomark Res 2020; 8:21. [PMID: 32551121 PMCID: PMC7298841 DOI: 10.1186/s40364-020-00201-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 06/05/2020] [Indexed: 02/06/2023] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are notable contributors to the immunosuppressive tumor microenvironment (TME) and are closely associated with tumor progression; in addition, MDSCs are present in most patients with cancer. However, the molecular mechanisms that regulate MDSCs in the etiopathogenesis of human tumor immunity remain unclear. The secreted alarmin high mobility group box 1 (HMGB1) is a proinflammatory factor and inducer of many inflammatory molecules during MDSC development. In this review, we detail the currently reported characteristics of MDSCs in tumor immune escape and the regulatory role of secreted HMGB1 in MDSC differentiation, proliferation, activity and survival. Notably, different posttranslational modifications of HMGB1 may have various effects on MDSCs, and these effects need further identification. Moreover, exosome-derived HMGB1 is speculated to exert a regulatory effect on MDSCs, but no report has confirmed this hypothesis. Therefore, the effects of HMGB1 on MDSCs need more research attention, and additional investigations should be conducted.
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Affiliation(s)
- Shuiling Jin
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, NO.1 Eastern Jianshe Road, Zhengzhou, 450052 Henan China
| | - Zhenzhen Yang
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, NO.1 Eastern Jianshe Road, Zhengzhou, 450052 Henan China.,Academy of medical science, Zhengzhou University, Zhengzhou, 450052 Henan China
| | - Xin Hao
- Henan college of Health Cadres, Zhengzhou, 450008 Henan China
| | - Wenxue Tang
- Departments of Otolaryngology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000 Henan China.,Center for Precision Medicine of Zhengzhou University, Zhengzhou, 450052 Henan China.,Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, NO.40 North Daxue Road, Zhengzhou, 450052 Henan China
| | - Wang Ma
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, NO.1 Eastern Jianshe Road, Zhengzhou, 450052 Henan China
| | - Hong Zong
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, NO.1 Eastern Jianshe Road, Zhengzhou, 450052 Henan China
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75
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Basse C, Swalduz A, Levra MG, Girard N, Remon J, Moro-Sibilot D. [Immunotherapy of metastatic non-small cell lung cancer from first line to resistance and its management]. Bull Cancer 2020; 107:779-791. [PMID: 32532420 DOI: 10.1016/j.bulcan.2020.04.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 04/20/2020] [Accepted: 04/22/2020] [Indexed: 01/22/2023]
Abstract
Immunotherapy alone or in combination with chemotherapy is now an integral part of the treatment of metastatic NSCLC. This treatment is transforming the management of these cancers, with 20-30% of patients achieving long survival. However, disease progression under treatment is still the rule for the majority of patients, raising problems both in understanding its mechanisms and in subsequent appropriate management. This study examines current therapeutic options and proposes solutions to circumvent resistance to immunotherapy. The mechanisms of resistance to these treatments is also analysed.
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MESH Headings
- Anaplastic Lymphoma Kinase/genetics
- Antibodies, Monoclonal, Humanized/therapeutic use
- Antineoplastic Agents/therapeutic use
- Antineoplastic Combined Chemotherapy Protocols/therapeutic use
- Carcinoma, Non-Small-Cell Lung/genetics
- Carcinoma, Non-Small-Cell Lung/mortality
- Carcinoma, Non-Small-Cell Lung/therapy
- Clinical Trials, Phase III as Topic
- Combined Modality Therapy/methods
- Disease Progression
- Drug Resistance, Neoplasm/physiology
- Genes, erbB-1
- Humans
- Immunotherapy/methods
- Immunotherapy, Adoptive/methods
- Lung Neoplasms/genetics
- Lung Neoplasms/mortality
- Lung Neoplasms/therapy
- Mutation
- Receptors, Chimeric Antigen/therapeutic use
- Translocation, Genetic
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Affiliation(s)
- Clémence Basse
- Institut du thorax Curie Montsouris, institut Curie, Paris, France
| | - Aurelie Swalduz
- Centre Léon-Bérard, département d'oncologie médicale, Lyon, France
| | - Matteo Giaj Levra
- CHU de Grenoble-Alpes, oncologie thoracique SHUPP, CS10217 cedex, 38043 Grenoble, France; Hospital HM Delfos, HM Hospitales, Centro Integral Oncológico Clara-Campal (HM-CIOCC), Department of Medical Oncology, Barcelona, Espagne; Université Grenoble-Alpes, Institute for Advanced Biosciences, Inserm U1209 CNRS UMR5309, Grenoble, France
| | - Nicolas Girard
- Institut du thorax Curie Montsouris, institut Curie, Paris, France
| | - Jordi Remon
- Hospital HM Delfos, HM Hospitales, Centro Integral Oncológico Clara-Campal (HM-CIOCC), Department of Medical Oncology, Barcelona, Espagne
| | - Denis Moro-Sibilot
- CHU de Grenoble-Alpes, oncologie thoracique SHUPP, CS10217 cedex, 38043 Grenoble, France.
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Myeloid Cells in Circulation and Tumor Microenvironment of Colorectal Cancer Patients with Early and Advanced Disease Stages. J Immunol Res 2020; 2020:9678168. [PMID: 32626789 PMCID: PMC7306094 DOI: 10.1155/2020/9678168] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 05/03/2020] [Accepted: 05/14/2020] [Indexed: 01/09/2023] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are a heterogenous population of cells that have been implicated in the development of an immunosuppressive environment, which promotes tumorigenesis and tumor progression. Numerous studies have reported expansion of MDSCs in circulation and the tumor microenvironment (TME) of cancer patients. However, due to the heterogenic nature of MDSCs and the different approaches for their identification, their detailed characterization and impact on disease progression in cancer patients are warranted. In this study, we investigated the levels of different myeloid cell subsets and antigen-presenting cells (APCs) using flow cytometry in unfractionated whole blood (WB), peripheral blood mononuclear cells (PBMCs), tumor tissue (TT), and adjacent normal tissue (NT) of colorectal cancer (CRC) patients. We found high levels of granulocytic myeloid cells (GMCs) in whole blood, but their levels were significantly lower in PBMCs. Importantly, we found significantly higher levels of GMCs in the TME compared to NT. In addition, monocytic myeloid cells (MMCs) showed significantly higher levels in PBMCs of CRC patients, compared to healthy donors (HDs). Notably, patients with advanced disease stages showed significantly higher levels of GMCs compared to early stages in whole blood, but PBMCs and tumor-infiltrating myeloid cells did not show any significant differences. Lastly, we found that levels of GMCs decreased, while IMCs increased in the TME with tumor budding. Our results highlight the importance of investigating the levels of different myeloid cell subsets in PBMCs versus whole blood of cancer patients and improve current knowledge on the potential prognostic significance of myeloid cells in CRC patients.
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Mi Y, Guo N, Luan J, Cheng J, Hu Z, Jiang P, Jin W, Gao X. The Emerging Role of Myeloid-Derived Suppressor Cells in the Glioma Immune Suppressive Microenvironment. Front Immunol 2020; 11:737. [PMID: 32391020 PMCID: PMC7193311 DOI: 10.3389/fimmu.2020.00737] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 03/31/2020] [Indexed: 12/16/2022] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are a heterogeneous group of myeloid progenitor and precursor cells at different stages of differentiation, which play an important role in tumor immunosuppression. Glioma is the most common and deadliest primary malignant tumor of the brain, and ample evidence supports key contributions of MDSCs to the immunosuppressive tumor microenvironment, which is a key factor stimulating glioma progression. In this review, we summarize the source and characterization of MDSCs, discuss their immunosuppressive functions, and current approaches that target MDSCs for tumor control. Overall, the review provides insights into the roles of MDSC immunosuppression in the glioma microenvironment and suggests that MDSC control is a powerful cellular therapeutic target for currently incurable glioma tumors.
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Affiliation(s)
- Yajing Mi
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China
| | - Na Guo
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China
| | - Jing Luan
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China
| | - Jianghong Cheng
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China
| | - Zhifang Hu
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China
| | - Pengtao Jiang
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China
| | - Weilin Jin
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China.,Key Lab for Thin Film and Microfabrication Technology, Department of Instrument Science and Engineering, School of Electronic Information and Electronic Engineering, Institute of Nano Biomedicine and Engineering, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China
| | - Xingchun Gao
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China.,Key Lab for Thin Film and Microfabrication Technology, Department of Instrument Science and Engineering, School of Electronic Information and Electronic Engineering, Institute of Nano Biomedicine and Engineering, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China
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