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Flippot R, Teixeira M, Rey-Cardenas M, Carril-Ajuria L, Rainho L, Naoun N, Jouniaux JM, Boselli L, Naigeon M, Danlos FX, Escudier B, Scoazec JY, Cassard L, Albiges L, Chaput N. B cells and the coordination of immune checkpoint inhibitor response in patients with solid tumors. J Immunother Cancer 2024; 12:e008636. [PMID: 38631710 PMCID: PMC11029261 DOI: 10.1136/jitc-2023-008636] [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] [Accepted: 03/31/2024] [Indexed: 04/19/2024] Open
Abstract
Immunotherapy profoundly changed the landscape of cancer therapy by providing long-lasting responses in subsets of patients and is now the standard of care in several solid tumor types. However, immunotherapy activity beyond conventional immune checkpoint inhibition is plateauing, and biomarkers are overall lacking to guide treatment selection. Most studies have focused on T cell engagement and response, but there is a growing evidence that B cells may be key players in the establishment of an organized immune response, notably through tertiary lymphoid structures. Mechanisms of B cell response include antibody-dependent cellular cytotoxicity and phagocytosis, promotion of CD4+ and CD8+ T cell activation, maintenance of antitumor immune memory. In several solid tumor types, higher levels of B cells, specific B cell subpopulations, or the presence of tertiary lymphoid structures have been associated with improved outcomes on immune checkpoint inhibitors. The fate of B cell subpopulations may be widely influenced by the cytokine milieu, with versatile roles for B-specific cytokines B cell activating factor and B cell attracting chemokine-1/CXCL13, and a master regulatory role for IL-10. Roles of B cell-specific immune checkpoints such as TIM-1 are emerging and could represent potential therapeutic targets. Overall, the expanding field of B cells in solid tumors of holds promise for the improvement of current immunotherapy strategies and patient selection.
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Affiliation(s)
- Ronan Flippot
- Department of Medical Oncology, Gustave Roussy, Université Paris Saclay, Villejuif, France
- Immunomonitoring Laboratory, CNRS3655 & INSERM US23, Université Paris-Saclay, Villejuif, France
| | - Marcus Teixeira
- Department of Medical Oncology, Gustave Roussy, Université Paris Saclay, Villejuif, France
- Immunomonitoring Laboratory, CNRS3655 & INSERM US23, Université Paris-Saclay, Villejuif, France
| | - Macarena Rey-Cardenas
- Department of Medical Oncology, Gustave Roussy, Université Paris Saclay, Villejuif, France
- Immunomonitoring Laboratory, CNRS3655 & INSERM US23, Université Paris-Saclay, Villejuif, France
| | - Lucia Carril-Ajuria
- Department of Medical Oncology, Gustave Roussy, Université Paris Saclay, Villejuif, France
- Immunomonitoring Laboratory, CNRS3655 & INSERM US23, Université Paris-Saclay, Villejuif, France
- Medical Oncology, CHU Brugmann, Brussels, Belgium
| | - Larissa Rainho
- Department of Medical Oncology, Gustave Roussy, Université Paris Saclay, Villejuif, France
- Immunomonitoring Laboratory, CNRS3655 & INSERM US23, Université Paris-Saclay, Villejuif, France
| | - Natacha Naoun
- Department of Medical Oncology, Gustave Roussy, Université Paris Saclay, Villejuif, France
| | - Jean-Mehdi Jouniaux
- Immunomonitoring Laboratory, CNRS3655 & INSERM US23, Université Paris-Saclay, Villejuif, France
| | - Lisa Boselli
- Immunomonitoring Laboratory, CNRS3655 & INSERM US23, Université Paris-Saclay, Villejuif, France
| | - Marie Naigeon
- Immunomonitoring Laboratory, CNRS3655 & INSERM US23, Université Paris-Saclay, Villejuif, France
| | - Francois-Xavier Danlos
- LRTI, INSERM U1015, Gustave Roussy, Villejuif, France
- Drug Development Department, Gustave Roussy, Villejuif, France
| | - Bernard Escudier
- Department of Medical Oncology, Gustave Roussy, Université Paris Saclay, Villejuif, France
| | | | - Lydie Cassard
- Immunomonitoring Laboratory, CNRS3655 & INSERM US23, Université Paris-Saclay, Villejuif, France
| | - Laurence Albiges
- Department of Medical Oncology, Gustave Roussy, Université Paris Saclay, Villejuif, France
- Immunomonitoring Laboratory, CNRS3655 & INSERM US23, Université Paris-Saclay, Villejuif, France
| | - Nathalie Chaput
- Immunomonitoring Laboratory, CNRS3655 & INSERM US23, Université Paris-Saclay, Villejuif, France
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Choi JY, Seok HJ, Lee DH, Lee E, Kim TJ, Bae S, Shin I, Bae IH. Tumor-derived miR-6794-5p enhances cancer growth by promoting M2 macrophage polarization. Cell Commun Signal 2024; 22:190. [PMID: 38521953 PMCID: PMC10960442 DOI: 10.1186/s12964-024-01570-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 03/16/2024] [Indexed: 03/25/2024] Open
Abstract
BACKGROUND Solid tumors promote tumor malignancy through interaction with the tumor microenvironment, resulting in difficulties in tumor treatment. Therefore, it is necessary to understand the communication between cells in the tumor and the surrounding microenvironment. Our previous study revealed the cancer malignancy mechanism of Bcl-w overexpressed in solid tumors, but no study was conducted on its relationship with immune cells in the tumor microenvironment. In this study, we sought to discover key factors in exosomes secreted from tumors overexpressing Bcl-w and analyze the interaction with the surrounding tumor microenvironment to identify the causes of tumor malignancy. METHODS To analyze factors affecting the tumor microenvironment, a miRNA array was performed using exosomes derived from cancer cells overexpressing Bcl-w. The discovered miRNA, miR-6794-5p, was overexpressed and the tumorigenicity mechanism was confirmed using qRT-PCR, Western blot, invasion, wound healing, and sphere formation ability analysis. In addition, luciferase activity and Ago2-RNA immunoprecipitation assays were used to study the mechanism between miR-6794-5p and its target gene SOCS1. To confirm the interaction between macrophages and tumor-derived miR-6794-5p, co-culture was performed using conditioned media. Additionally, immunohistochemical (IHC) staining and flow cytometry were performed to analyze macrophages in the tumor tissues of experimental animals. RESULTS MiR-6794-5p, which is highly expressed in exosomes secreted from Bcl-w-overexpressing cells, was selected, and it was shown that the overexpression of miR-6794-5p increased migratory ability, invasiveness, and stemness maintenance by suppressing the expression of the tumor suppressor SOCS1. Additionally, tumor-derived miR-6794-5p was delivered to THP-1-derived macrophages and induced M2 polarization by activating the JAK1/STAT3 pathway. Moreover, IL-10 secreted from M2 macrophages increased tumorigenicity by creating an immunosuppressive environment. The in vitro results were reconfirmed by confirming an increase in M2 macrophages and a decrease in M1 macrophages and CD8+ T cells when overexpressing miR-6794-5p in an animal model. CONCLUSIONS In this study, we identified changes in the tumor microenvironment caused by miR-6794-5p. Our study indicates that tumor-derived miR-6794-5p promotes tumor aggressiveness by inducing an immunosuppressive environment through interaction with macrophage.
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Affiliation(s)
- Jae Yeon Choi
- Division of Radiation Biomedical Research, Korea Institute of Radiological & Medical Sciences, 75 Nowon-ro, Nowon-gu, Seoul, 01812, Republic of Korea
- Department of Life Science, Hanyang University, Seoul, Republic of Korea
| | - Hyun Jeong Seok
- Division of Radiation Biomedical Research, Korea Institute of Radiological & Medical Sciences, 75 Nowon-ro, Nowon-gu, Seoul, 01812, Republic of Korea
| | - Dong Hyeon Lee
- Division of Radiation Biomedical Research, Korea Institute of Radiological & Medical Sciences, 75 Nowon-ro, Nowon-gu, Seoul, 01812, Republic of Korea
| | - Eunju Lee
- Division of Radiation Biomedical Research, Korea Institute of Radiological & Medical Sciences, 75 Nowon-ro, Nowon-gu, Seoul, 01812, Republic of Korea
| | - Tae-Jin Kim
- Division of Radiation Biomedical Research, Korea Institute of Radiological & Medical Sciences, 75 Nowon-ro, Nowon-gu, Seoul, 01812, Republic of Korea
| | - Sangwoo Bae
- Division of Radiation Biomedical Research, Korea Institute of Radiological & Medical Sciences, 75 Nowon-ro, Nowon-gu, Seoul, 01812, Republic of Korea
| | - Incheol Shin
- Department of Life Science, Hanyang University, Seoul, Republic of Korea
| | - In Hwa Bae
- Division of Radiation Biomedical Research, Korea Institute of Radiological & Medical Sciences, 75 Nowon-ro, Nowon-gu, Seoul, 01812, Republic of Korea.
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Huang Y, Zou K, Jiang H, Li Z. The complex role of IL-10 in malignant ascites: a review. Cancer Immunol Immunother 2024; 73:32. [PMID: 38279997 PMCID: PMC10821842 DOI: 10.1007/s00262-023-03616-y] [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: 09/20/2023] [Accepted: 12/05/2023] [Indexed: 01/29/2024]
Abstract
The emergence of malignant ascites (MA) indicates poor prognoses in patients with ovarian, gastrointestinal, breast, and pancreatic cancer. Interleukin-10 (IL-10) is a pleiotropic cytokine with immunoregulatory effects in tumor microenvironment. The level of IL-10 in MA varied across cancer types and patients, influencing cancer progression and outcomes. Originating from various immune and cancer cells, IL-10 contributes to complex signaling pathways in MA. Systemic IL-10 administration, although the evidence of its efficacy on MA is limited, still emerges as a promising therapeutic strategy because it can increase CD8+ T cells cytotoxicity and invigorate exhausted CD8+ tumor infiltration lymphocytes (TILs) directly. IL-10 signaling blockade also demonstrates great potential when combined with other immunotherapies in MA treatment. We reviewed the levels, origins, and functions of IL-10 in malignant ascites and overviewed the current IL-10 signaling targeting therapies, aiming to provide insights for MA treatment.
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Affiliation(s)
- Yue Huang
- Department of Gynecology and Obstetrics, West China Second University Hospital, Sichuan University, Chengdu, 610041, People's Republic of China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, 610041, People's Republic of China
| | - Kangni Zou
- Department of Gynecology and Obstetrics, West China Second University Hospital, Sichuan University, Chengdu, 610041, People's Republic of China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, 610041, People's Republic of China
| | - Heng Jiang
- College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA
| | - Zhengyu Li
- Department of Gynecology and Obstetrics, West China Second University Hospital, Sichuan University, Chengdu, 610041, People's Republic of China.
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, 610041, People's Republic of China.
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Dussold C, Zilinger K, Turunen J, Heimberger AB, Miska J. Modulation of macrophage metabolism as an emerging immunotherapy strategy for cancer. J Clin Invest 2024; 134:e175445. [PMID: 38226622 PMCID: PMC10786697 DOI: 10.1172/jci175445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2024] Open
Abstract
Immunometabolism is a burgeoning field of research that investigates how immune cells harness nutrients to drive their growth and functions. Myeloid cells play a pivotal role in tumor biology, yet their metabolic influence on tumor growth and antitumor immune responses remains inadequately understood. This Review explores the metabolic landscape of tumor-associated macrophages, including the immunoregulatory roles of glucose, fatty acids, glutamine, and arginine, alongside the tools used to perturb their metabolism to promote antitumor immunity. The confounding role of metabolic inhibitors on our interpretation of myeloid metabolic phenotypes will also be discussed. A binary metabolic schema is currently used to describe macrophage immunological phenotypes, characterizing inflammatory M1 phenotypes, as supported by glycolysis, and immunosuppressive M2 phenotypes, as supported by oxidative phosphorylation. However, this classification likely underestimates the variety of states in vivo. Understanding these nuances will be critical when developing interventional metabolic strategies. Future research should focus on refining drug specificity and targeted delivery methods to maximize therapeutic efficacy.
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Odarenko KV, Zenkova MA, Markov AV. The Nexus of Inflammation-Induced Epithelial-Mesenchymal Transition and Lung Cancer Progression: A Roadmap to Pentacyclic Triterpenoid-Based Therapies. Int J Mol Sci 2023; 24:17325. [PMID: 38139154 PMCID: PMC10743660 DOI: 10.3390/ijms242417325] [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: 11/01/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
Lung cancer is the leading cause of cancer-related death worldwide. Its high mortality is partly due to chronic inflammation that accompanies the disease and stimulates cancer progression. In this review, we analyzed recent studies and highlighted the role of the epithelial-mesenchymal transition (EMT) as a link between inflammation and lung cancer. In the inflammatory tumor microenvironment (iTME), fibroblasts, macrophages, granulocytes, and lymphocytes produce inflammatory mediators, some of which can induce EMT. This leads to increased invasiveness of tumor cells and self-renewal of cancer stem cells (CSCs), which are associated with metastasis and tumor recurrence, respectively. Based on published data, we propose that inflammation-induced EMT may be a potential therapeutic target for the treatment of lung cancer. This prospect is partially realized in the development of EMT inhibitors based on pentacyclic triterpenoids (PTs), described in the second part of our study. PTs reduce the metastatic potential and stemness of tumor cells, making PTs promising candidates for lung cancer therapy. We emphasize that the high diversity of molecular mechanisms underlying inflammation-induced EMT far exceeds those that have been implicated in drug development. Therefore, analysis of information on the relationship between the iTME and EMT is of great interest and may provide ideas for novel treatment approaches for lung cancer.
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Affiliation(s)
- Kirill V. Odarenko
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (K.V.O.); (M.A.Z.)
- Faculty of Natural Sciences, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Marina A. Zenkova
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (K.V.O.); (M.A.Z.)
| | - Andrey V. Markov
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (K.V.O.); (M.A.Z.)
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Zheng X, Sarode P, Weigert A, Turkowski K, Chelladurai P, Günther S, Kuenne C, Winter H, Stenzinger A, Reu S, Grimminger F, Stiewe T, Seeger W, Pullamsetti SS, Savai R. The HDAC2-SP1 Axis Orchestrates Protumor Macrophage Polarization. Cancer Res 2023; 83:2345-2357. [PMID: 37205635 DOI: 10.1158/0008-5472.can-22-1270] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 03/30/2023] [Accepted: 05/16/2023] [Indexed: 05/21/2023]
Abstract
Tumor-associated macrophages (TAM), including antitumor M1-like TAMs and protumor M2-like TAMs, are transcriptionally dynamic innate immune cells with diverse roles in lung cancer development. Epigenetic regulators are key in controlling macrophage fate in the heterogeneous tumor microenvironment. Here, we demonstrate that the spatial proximity of HDAC2-overexpressing M2-like TAMs to tumor cells significantly correlates with poor overall survival of lung cancer patients. Suppression of HDAC2 in TAMs altered macrophage phenotype, migration, and signaling pathways related to interleukins, chemokines, cytokines, and T-cell activation. In coculture systems of TAMs and cancer cells, suppressing HDAC2 in TAMs resulted in reduced proliferation and migration, increased apoptosis of cancer cell lines and primary lung cancer cells, and attenuated endothelial cell tube formation. HDAC2 regulated the M2-like TAM phenotype via acetylation of histone H3 and transcription factor SP1. Myeloid cell-specific deletion of Hdac2 and pharmacologic inhibition of class I HDACs in four different murine lung cancer models induced the switch from M2-like to M1-like TAMs, altered infiltration of CD4+ and CD8+ T cells, and reduced tumor growth and angiogenesis. TAM-specific HDAC2 expression may provide a biomarker for lung cancer stratification and a target for developing improved therapeutic approaches. SIGNIFICANCE HDAC2 inhibition reverses the protumor phenotype of macrophages mediated by epigenetic modulation induced by the HDAC2-SP1 axis, indicating a therapeutic option to modify the immunosuppressive tumor microenvironment.
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Affiliation(s)
- Xiang Zheng
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, Germany
| | - Poonam Sarode
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, Germany
- Institute for Lung Health (ILH), Justus Liebig University, Giessen, Germany
| | - Andreas Weigert
- Institute of Biochemistry I, Faculty of Medicine, Goethe University Frankfurt, Frankfurt, Germany
- Frankfurt Cancer Institute (FCI), Goethe University Frankfurt, Frankfurt, Germany
| | - Kati Turkowski
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, Germany
- Institute for Lung Health (ILH), Justus Liebig University, Giessen, Germany
| | - Prakash Chelladurai
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, Germany
| | - Stefan Günther
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, Germany
| | - Carsten Kuenne
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, Germany
| | - Hauke Winter
- Translational Lung Research Center Heidelberg (TLRC), Member of the DZL; Department of Thoracic Surgery, Thoraxklinik at the University Hospital Heidelberg, Heidelberg, Germany
| | | | - Simone Reu
- Institute of Pathology, University of Würzburg, Würzburg, Germany
| | - Friedrich Grimminger
- Institute for Lung Health (ILH), Justus Liebig University, Giessen, Germany
- Department of Internal Medicine, Member of the DZL, Member of the CPI, Justus Liebig University, Giessen, Germany
| | - Thorsten Stiewe
- Institute for Lung Health (ILH), Justus Liebig University, Giessen, Germany
- Institute of Molecular Oncology, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the DZL, Philipps-University, Marburg, Germany
| | - Werner Seeger
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, Germany
- Institute for Lung Health (ILH), Justus Liebig University, Giessen, Germany
- Department of Internal Medicine, Member of the DZL, Member of the CPI, Justus Liebig University, Giessen, Germany
| | - Soni Savai Pullamsetti
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, Germany
- Institute for Lung Health (ILH), Justus Liebig University, Giessen, Germany
- Department of Internal Medicine, Member of the DZL, Member of the CPI, Justus Liebig University, Giessen, Germany
| | - Rajkumar Savai
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, Germany
- Institute for Lung Health (ILH), Justus Liebig University, Giessen, Germany
- Frankfurt Cancer Institute (FCI), Goethe University Frankfurt, Frankfurt, Germany
- Department of Internal Medicine, Member of the DZL, Member of the CPI, Justus Liebig University, Giessen, Germany
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Piñeiro-Hermida S, Bosso G, Sánchez-Vázquez R, Martínez P, Blasco MA. Telomerase deficiency and dysfunctional telomeres in the lung tumor microenvironment impair tumor progression in NSCLC mouse models and patient-derived xenografts. Cell Death Differ 2023:10.1038/s41418-023-01149-6. [PMID: 37085672 DOI: 10.1038/s41418-023-01149-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 03/02/2023] [Accepted: 03/10/2023] [Indexed: 04/23/2023] Open
Abstract
Non-small cell lung cancer (NSCLC) is a leading cause of cancer death. Tumor progression depends on interactions of cancer cells with the tumor microenvironment. Here, we find increased copy number and mRNA expression of the catalytic subunit of telomerase, TERT, in tumors from NSCLC patients, contributing to a lower survival. Moreover, TERT expression in NSCLC patients from the TCGA cohort is mainly associated to the reduced infiltration of CD8+ T lymphocytes, as well as to increased infiltration of myeloid-derived suppressor cells (MDSCs). We also show that TERT deficiency and dysfunctional telomeres induced by 6-thio-dG treatment in mice reduced lung tumor implantation and vascularization, increased DNA damage response, cell cycle arrest and apoptosis, as well as reduced proliferation, inflammation, lung tumor immunosupression and invasion upon induction of a Lewis lung carcinoma (LLC). Furthermore, 6-thio-dG-treated human NSCLC xenografts exhibited increased telomere damage, cell cycle arrest and apoptosis, as well as reduced proliferation, resulting in a reduced tumor growth. Our results show that targeting telomeres might be an effective therapeutic strategy in NSCLC.
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Affiliation(s)
- Sergio Piñeiro-Hermida
- Telomeres and Telomerase Group, Molecular Oncology Program, Spanish National Cancer Centre (CNIO), Melchor Fernández Almagro 3, Madrid, E-28029, Spain
| | - Giuseppe Bosso
- Telomeres and Telomerase Group, Molecular Oncology Program, Spanish National Cancer Centre (CNIO), Melchor Fernández Almagro 3, Madrid, E-28029, Spain
| | - Raúl Sánchez-Vázquez
- Telomeres and Telomerase Group, Molecular Oncology Program, Spanish National Cancer Centre (CNIO), Melchor Fernández Almagro 3, Madrid, E-28029, Spain
| | - Paula Martínez
- Telomeres and Telomerase Group, Molecular Oncology Program, Spanish National Cancer Centre (CNIO), Melchor Fernández Almagro 3, Madrid, E-28029, Spain
| | - Maria A Blasco
- Telomeres and Telomerase Group, Molecular Oncology Program, Spanish National Cancer Centre (CNIO), Melchor Fernández Almagro 3, Madrid, E-28029, Spain.
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8
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Dubey S, Ghosh S, Goswami D, Ghatak D, De R. Immunometabolic attributes and mitochondria-associated signaling of Tumor-Associated Macrophages in tumor microenvironment modulate cancer progression. Biochem Pharmacol 2023; 208:115369. [PMID: 36481347 DOI: 10.1016/j.bcp.2022.115369] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/24/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022]
Abstract
Macrophages are specialized immune cells, which have the capacity to phagocytize and destroy the target cells, including tumor cells. Some macrophages, however on their way to devour the cancer cells undergo a change due to a complex set of signaling pathways. They are induced to change into a polarized state known as M2. The M2 macrophages help in metastasis, tumor suppression, and angiogenesis. The macrophage which gets associated with this TME, are referred to as tumor-associated macrophages (TAMs). TAMS undergo a metabolic reprogramming toward oxidative metabolism for bioenergetic purposes (OXPHOS), fatty acid oxidation (FAO), decreased glycolysis, decreased metabolism via the PPP, and upregulation of arginase 1 (ARG1) which triggers immunosuppressive pro-tumor signaling in the tumor microenvironment (TME) in which mitochondria plays an instrumental role. Reports have suggested that a complex series of interactions and exchange of materials, such as cytokines, metabolic intermediates and sometimes even transfer of mitochondria take place between TAMS and other TME components most importantly cancer cells that reprogram their metabolism to encourage cell growth, division, epithelial to mesenchymal transition, that ultimately play an important role in tumor progression. This review will try to focus on the crosstalk between the TAMs with several other components of TME, what instrumental role mitochondria play in that and also try to explore some of the therapeutic options available in cancer patients.
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Affiliation(s)
- Srijan Dubey
- Amity Institute of Biotechnology, Amity University, Kolkata, Plot No: 36, 37 & 38, Major Arterial Road, Action Area II, Kadampukur Village, Newtown, Kolkata 700135, West Bengal, India
| | - Sayak Ghosh
- Amity Institute of Biotechnology, Amity University, Kolkata, Plot No: 36, 37 & 38, Major Arterial Road, Action Area II, Kadampukur Village, Newtown, Kolkata 700135, West Bengal, India
| | - Debosmita Goswami
- Amity Institute of Biotechnology, Amity University, Kolkata, Plot No: 36, 37 & 38, Major Arterial Road, Action Area II, Kadampukur Village, Newtown, Kolkata 700135, West Bengal, India
| | - Debapriya Ghatak
- Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
| | - Rudranil De
- Amity Institute of Biotechnology, Amity University, Kolkata, Plot No: 36, 37 & 38, Major Arterial Road, Action Area II, Kadampukur Village, Newtown, Kolkata 700135, West Bengal, India.
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9
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Characteristics of tumor microenvironment and novel immunotherapeutic strategies for non-small cell lung cancer. JOURNAL OF THE NATIONAL CANCER CENTER 2022. [DOI: 10.1016/j.jncc.2022.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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10
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Rallis KS, Corrigan AE, Dadah H, Stanislovas J, Zamani P, Makker S, Szabados B, Sideris M. IL-10 in cancer: an essential thermostatic regulator between homeostatic immunity and inflammation - a comprehensive review. Future Oncol 2022; 18:3349-3365. [PMID: 36172856 DOI: 10.2217/fon-2022-0063] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Cytokines are soluble proteins that mediate intercellular signaling regulating immune and inflammatory responses. Cytokine modulation represents a promising cancer immunotherapy approach for immune-mediated tumor regression. However, redundancy in cytokine signaling and cytokines' pleiotropy, narrow therapeutic window, systemic toxicity, short half-life and limited efficacy represent outstanding challenges for cytokine-based cancer immunotherapies. Recently, there has been interest in the paradoxical role of IL-10 in cancer, its controversial prognostic utility and novel strategies to enhance its therapeutic profile. Here, the authors review the literature surrounding the role of IL-10 within the tumor microenvironment, its prognostic correlates to cancer patient outcomes and its pro- and antitumor effects, and they assess the legitimacy of potential therapeutic strategies harnessing IL-10 by outlining the notable preclinical and clinical evidence to date.
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Affiliation(s)
- Kathrine S Rallis
- Barts & The London School of Medicine & Dentistry, Queen Mary University of London, London, E1 2AD, UK.,Barts Cancer Institute, Queen Mary University of London, London, EC1M 5PZ, UK
| | - Amber E Corrigan
- GKT School of Medicine, King's College London, London, SE1 9RT, UK
| | - Hashim Dadah
- GKT School of Medicine, King's College London, London, SE1 9RT, UK
| | - Justas Stanislovas
- Barts Cancer Institute, Queen Mary University of London, London, EC1M 5PZ, UK
| | - Parisa Zamani
- GKT School of Medicine, King's College London, London, SE1 9RT, UK
| | - Shania Makker
- Barts & The London School of Medicine & Dentistry, Queen Mary University of London, London, E1 2AD, UK
| | - Bernadett Szabados
- Barts Cancer Institute, Queen Mary University of London, London, EC1M 5PZ, UK
| | - Michail Sideris
- Women's Health Research Unit, Queen Mary University of London, London, E1 2AB, UK
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11
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Li H, Guo L, Cai Z. TCN1 is a potential prognostic biomarker and correlates with immune infiltrates in lung adenocarcinoma. World J Surg Oncol 2022; 20:83. [PMID: 35287670 PMCID: PMC8922850 DOI: 10.1186/s12957-022-02556-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 03/03/2022] [Indexed: 12/30/2022] Open
Abstract
Background Around the world, lung cancer is the leading cause of cancer-related death. Lung adenocarcinomas are among the most common diagnosed forms of lung cancer, whose overall survival has not improved significantly, which makes finding an effective therapeutic target vital. Transcobalamin (TCN1) is a vitamin B12-binding protein which regulates cobalamin homeostasis. In tumor tissues, TCN1 is expressed highly, and its expression is correlated with cancer aggressiveness and poor prognosis according to recent studies and bioinformatic analyses. However, its effect on lung adenocarcinoma (LUAD) is unknown. Methods We evaluated whether TCN1 shows diagnostic and prognostic value in LUAD using bioinformatic analysis. In particular, various databases and analysis tools were used to determine TCN1’s relationship with LUAD, including TCGA, GTEx, GEO, STRING, and TISIDB. Results As compared to normal lung tissue, the level of TCN1 expression in LUAD tissues was significantly higher (P < 0.001). TCN1 also had a good ability to distinguish lung adenocarcinoma from non-lung adenocarcinoma samples [area under the curve (AUC) = 0.788]. According to univariate Cox statistics, high expression levels of TCN1 correlate with poor overall survival (OS) in LUAD (P < 0.001). Moreover, based on a multivariate Cox analysis, TCN1 expression was independently correlated with OS (P = 0.011). GO/KEGG and GSEA indicated enrichment in epidermal cell differentiation (P < 0.0005), keratinocyte differentiation (P < 0.0005), neuroactive ligand–receptor interaction (P < 0.0005), epithelial–mesenchymal transition (P = 0.029, FDR = 0.023) and TNFA signaling via NFKB (P = 0.029, FDR = 0.023). Furthermore, TCN1 is associated with immune infiltration based on an analysis of immune cell infiltration. Conclusions In summary, TCN1 could be used as a prognostic and diagnostic biomarker and provide deeper perspectives for the development of therapies and prognostic markers in LUAD.
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12
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Zhao CC, Han QJ, Ying HY, Gu XX, Yang N, Li LY, Zhang QZ. TNFSF15 facilitates differentiation and polarization of macrophages toward M1 phenotype to inhibit tumor growth. Oncoimmunology 2022; 11:2032918. [PMID: 35127254 PMCID: PMC8812784 DOI: 10.1080/2162402x.2022.2032918] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Affiliation(s)
- Can-Can Zhao
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy, Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, China
| | - Qiu-Ju Han
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy, Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, China
| | - Hao-Yan Ying
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy, Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, China
| | - Xiang-Xiang Gu
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy, Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, China
| | - Na Yang
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy, Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, China
| | - Lu-Yuan Li
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy, Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, China
| | - Qiang-Zhe Zhang
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy, Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, China
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13
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Parakh S, Ernst M, Poh AR. Multicellular Effects of STAT3 in Non-small Cell Lung Cancer: Mechanistic Insights and Therapeutic Opportunities. Cancers (Basel) 2021; 13:6228. [PMID: 34944848 PMCID: PMC8699548 DOI: 10.3390/cancers13246228] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 12/09/2021] [Accepted: 12/10/2021] [Indexed: 12/12/2022] Open
Abstract
Non-small cell lung cancer (NSCLC) is the most common type of lung cancer and accounts for 85% of lung cancer cases. Aberrant activation of the Signal Transducer and Activator of Transcription 3 (STAT3) is frequently observed in NSCLC and is associated with a poor prognosis. Pre-clinical studies have revealed an unequivocal role for tumor cell-intrinsic and extrinsic STAT3 signaling in NSCLC by promoting angiogenesis, cell survival, cancer cell stemness, drug resistance, and evasion of anti-tumor immunity. Several STAT3-targeting strategies have also been investigated in pre-clinical models, and include preventing upstream receptor/ligand interactions, promoting the degradation of STAT3 mRNA, and interfering with STAT3 DNA binding. In this review, we discuss the molecular and immunological mechanisms by which persistent STAT3 activation promotes NSCLC development, and the utility of STAT3 as a prognostic and predictive biomarker in NSCLC. We also provide a comprehensive update of STAT3-targeting therapies that are currently undergoing clinical evaluation, and discuss the challenges associated with these treatment modalities in human patients.
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Affiliation(s)
- Sagun Parakh
- Department of Medical Oncology, The Olivia Newton-John Cancer and Wellness Centre, Austin Health, Heidelberg, VIC 3084, Australia;
- Tumor Targeting Laboratory, The Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia
- School of Cancer Medicine, La Trobe University, Melbourne, VIC 3086, Australia;
| | - Matthias Ernst
- School of Cancer Medicine, La Trobe University, Melbourne, VIC 3086, Australia;
- Cancer and Inflammation Laboratory, The Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia
| | - Ashleigh R. Poh
- School of Cancer Medicine, La Trobe University, Melbourne, VIC 3086, Australia;
- Cancer and Inflammation Laboratory, The Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia
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14
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NRAS expression is associated with prognosis and tumor immune microenvironment in lung adenocarcinoma. J Cancer Res Clin Oncol 2021; 148:565-575. [PMID: 34746975 DOI: 10.1007/s00432-021-03842-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 10/19/2021] [Indexed: 12/24/2022]
Abstract
PURPOSE NRAS plays a pivotal role in progression of various kinds of somatic malignancies; however, the correlation between NRAS and lung adenocarcinoma is less known. We aim to analyze the prognostic value of NRAS expression in lung adenocarcinoma, and explore the relationship between NRAS and tumor immune microenvironment. METHODS We obtained the transcriptome profiles and clinical data of LUAD from The Cancer Genome Atlas database and three Genome Expression Omnibus datasets. Specimens from 325 patients with completely resected lung adenocarcinoma were collected for immunohistochemical assays of NRAS, PD-L1, PD-1 and TIM-3. Then, we performed gene set enrichment analysis to investigate cancer-related and immune-related signaling pathways. TIMER algorithms were performed to evaluate tumor immune infiltrating cells and immune-related biomarkers. RESULTS Compared with adjacent non-tumor tissue, NRAS expression was significantly upregulated in LUAD tissue. NRAS expression was significantly correlated with more advanced stage and positive lymph nodes. Kaplan-Meier curves and Cox analysis suggested that high NRAS expression led to a poor prognosis, and could be an independent prognostic factor in LUAD patients. Besides, NRAS expression was positively correlated with CD8+ T cells, macrophages, and neutrophils, and negatively correlated with B cells and CD4+ T cells. The expression level of NRAS was positively correlated with PD-L1, PD-1, and TIM-3 both at RNA and protein level. CONCLUSIONS To conclude, we found NRAS is a novel prognostic biomarker in LUAD. Besides, the expression level of NRAS may influence the prognosis of LUAD via various kinds of cancer-related pathways and remodeling TIM.
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15
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Jimbu L, Mesaros O, Neaga A, Nanut AM, Tomuleasa C, Dima D, Bocsan C, Zdrenghea M. The Potential Advantage of Targeting Both PD-L1/PD-L2/PD-1 and IL-10-IL-10R Pathways in Acute Myeloid Leukemia. Pharmaceuticals (Basel) 2021; 14:1105. [PMID: 34832887 PMCID: PMC8620891 DOI: 10.3390/ph14111105] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/17/2021] [Accepted: 10/25/2021] [Indexed: 12/30/2022] Open
Abstract
Tumor cells promote the suppression of host anti-tumor type 1 T cell responses by various mechanisms, including the upregulation of surface inhibitory molecules such as programmed death ligand (PD-L)-1, and the production of immunosuppressive cytokines such as interleukin-10 (IL-10). There are over 2000 trials investigating PD-L1 and/or its receptor programmed-death 1 (PD-1) blockade in cancer, leading to the approval of PD-1 or PD-L1 inhibitors in several types of solid cancers and in hematological malignancies. The available data suggest that the molecule PD-L1 on antigen-presenting cells suppresses type 1 T cell immune responses such as cytotoxicity, and that the cytokine IL-10, in addition to downregulating immune responses, increases the expression of inhibitory molecule PD-L1. We hypothesize that the manipulation of both the co-inhibitory network (with anti-PD-L1 blocking antibodies) and suppressor network (with anti-IL-10 blocking antibodies) is an attractive immunotherapeutic intervention for acute myeloid leukemia (AML) patients ineligible for standard treatment with chemotherapy and hematopoietic stem cell transplantation, and with less severe adverse reactions. The proposed combination of these two immunotherapies represents a new approach that can be readily translated into the clinic to improve the therapeutic efficacy of AML disease treatment.
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Affiliation(s)
- Laura Jimbu
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Babes Str., 400012 Cluj-Napoca, Romania; (O.M.); (A.N.); (A.M.N.); (C.T.); (M.Z.)
- Department of Hematology, Ion Chiricuta Oncology Institute, 34-36 Republicii Str., 400015 Cluj-Napoca, Romania;
| | - Oana Mesaros
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Babes Str., 400012 Cluj-Napoca, Romania; (O.M.); (A.N.); (A.M.N.); (C.T.); (M.Z.)
- “Octavian Fodor” Regional Institute of Gastroenterology and Hepatology, 19-21 Croitorilor Str., 400162 Cluj-Napoca, Romania
| | - Alexandra Neaga
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Babes Str., 400012 Cluj-Napoca, Romania; (O.M.); (A.N.); (A.M.N.); (C.T.); (M.Z.)
| | - Ana Maria Nanut
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Babes Str., 400012 Cluj-Napoca, Romania; (O.M.); (A.N.); (A.M.N.); (C.T.); (M.Z.)
| | - Ciprian Tomuleasa
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Babes Str., 400012 Cluj-Napoca, Romania; (O.M.); (A.N.); (A.M.N.); (C.T.); (M.Z.)
- Department of Hematology, Ion Chiricuta Oncology Institute, 34-36 Republicii Str., 400015 Cluj-Napoca, Romania;
| | - Delia Dima
- Department of Hematology, Ion Chiricuta Oncology Institute, 34-36 Republicii Str., 400015 Cluj-Napoca, Romania;
| | - Corina Bocsan
- Department of Clinical Pharmacology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Babes Str., 400012 Cluj-Napoca, Romania;
| | - Mihnea Zdrenghea
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Babes Str., 400012 Cluj-Napoca, Romania; (O.M.); (A.N.); (A.M.N.); (C.T.); (M.Z.)
- Department of Hematology, Ion Chiricuta Oncology Institute, 34-36 Republicii Str., 400015 Cluj-Napoca, Romania;
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16
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Jones JO, Moody WM, Shields JD. Microenvironmental modulation of the developing tumour: an immune-stromal dialogue. Mol Oncol 2021; 15:2600-2633. [PMID: 32741067 PMCID: PMC8486574 DOI: 10.1002/1878-0261.12773] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 07/03/2020] [Accepted: 07/27/2020] [Indexed: 12/17/2022] Open
Abstract
Successful establishment of a tumour relies on a cascade of interactions between cancer cells and stromal cells within an evolving microenvironment. Both immune and nonimmune cellular components are key factors in this process, and the individual players may change their role from tumour elimination to tumour promotion as the microenvironment develops. While the tumour-stroma crosstalk present in an established tumour is well-studied, aspects in the early tumour or premalignant microenvironment have received less attention. This is in part due to the challenges in studying this process in the clinic or in mouse models. Here, we review the key anti- and pro-tumour factors in the early microenvironment and discuss how understanding this process may be exploited in the clinic.
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Affiliation(s)
- James O. Jones
- MRC Cancer UnitHutchison/MRC Research CentreUniversity of CambridgeCambridgeUK
- Department of OncologyCambridge University Hospitals NHS Foundation TrustCambridgeUK
| | - William M. Moody
- MRC Cancer UnitHutchison/MRC Research CentreUniversity of CambridgeCambridgeUK
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17
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Hoppstädter J, Dembek A, Höring M, Schymik HS, Dahlem C, Sultan A, Wirth N, Al-Fityan S, Diesel B, Gasparoni G, Walter J, Helms V, Huwer H, Simon M, Liebisch G, Schulz MH, Kiemer AK. Dysregulation of cholesterol homeostasis in human lung cancer tissue and tumour-associated macrophages. EBioMedicine 2021; 72:103578. [PMID: 34571364 PMCID: PMC8479395 DOI: 10.1016/j.ebiom.2021.103578] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 08/18/2021] [Accepted: 09/01/2021] [Indexed: 12/20/2022] Open
Abstract
Background Based on reports on elevated cholesterol levels in cancer cells, strategies to lower cholesterol synthesis have been suggested as an antitumour strategy. However, cholesterol depletion has also been shown to induce tumour-promoting actions in tumour-associated macrophages (TAMs). Methods We performed lipidomic and transcriptomic analyses of human lung cancer material. To assess whether the TAM phenotype is shaped by secreted factors produced by tumour cells, primary human monocyte-derived macrophages were polarized towards a TAM-like phenotype using tumour cell-conditioned medium. Findings Lipidomic analysis of lung adenocarcinoma (n=29) and adjacent non-tumour tissues (n=22) revealed a significant accumulation of free cholesterol and cholesteryl esters within the tumour tissue. In contrast, cholesterol levels were reduced in TAMs isolated from lung adenocarcinoma tissues when compared with alveolar macrophages (AMs) obtained from adjacent non-tumour tissues. Bulk-RNA-Seq revealed that genes involved in cholesterol biosynthesis and metabolism were downregulated in TAMs, while cholesterol efflux transporters were upregulated. In vitro polarized TAM-like macrophages showed an attenuated lipogenic gene expression signature and exhibited lower cholesterol levels compared with non-polarized macrophages. A genome-wide comparison by bulk RNA-Seq confirmed a high similarity of ex vivo TAMs and in vitro TAM-like macrophages. Modulation of intracellular cholesterol levels by either starving, cholesterol depletion, or efflux transporter inhibition indicated that cholesterol distinctly shapes macrophage gene expression. Interpretation Our data show an opposite dysregulation of cholesterol homeostasis in tumour tissue vs. TAMs. Polarization of in vitro differentiated macrophages by tumour cell-conditioned medium recapitulates key features of ex vivo TAMs.
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Affiliation(s)
- Jessica Hoppstädter
- Department of Pharmacy, Pharmaceutical Biology, Saarland University, Saarbrücken, Germany
| | - Anna Dembek
- Department of Pharmacy, Pharmaceutical Biology, Saarland University, Saarbrücken, Germany
| | - Marcus Höring
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Regensburg, Germany
| | - Hanna S Schymik
- Department of Pharmacy, Pharmaceutical Biology, Saarland University, Saarbrücken, Germany
| | - Charlotte Dahlem
- Department of Pharmacy, Pharmaceutical Biology, Saarland University, Saarbrücken, Germany
| | - Afnan Sultan
- Center for Bioinformatics, Saarland University, Saarbrücken, Germany
| | - Natalie Wirth
- Center for Bioinformatics, Saarland University, Saarbrücken, Germany
| | - Salma Al-Fityan
- Department of Pharmacy, Pharmaceutical Biology, Saarland University, Saarbrücken, Germany
| | - Britta Diesel
- Department of Pharmacy, Pharmaceutical Biology, Saarland University, Saarbrücken, Germany
| | - Gilles Gasparoni
- Department of Genetics/Epigenetics, Saarland University, Saarbrücken, Germany
| | - Jörn Walter
- Department of Genetics/Epigenetics, Saarland University, Saarbrücken, Germany
| | - Volkhard Helms
- Center for Bioinformatics, Saarland University, Saarbrücken, Germany
| | - Hanno Huwer
- Department of Cardiothoracic Surgery, Völklingen Heart Center, Völklingen, Germany
| | - Martin Simon
- Molecular Cell Biology and Microbiology, University of Wuppertal, Faculty of Mathematics and Natural Sciences, Wuppertal, Germany
| | - Gerhard Liebisch
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Regensburg, Germany
| | - Marcel H Schulz
- Institute for Cardiovascular Regeneration, Goethe University, Frankfurt am Main, Germany
| | - Alexandra K Kiemer
- Department of Pharmacy, Pharmaceutical Biology, Saarland University, Saarbrücken, Germany.
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18
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Reyes-García J, Montaño LM, Carbajal-García A, Wang YX. Sex Hormones and Lung Inflammation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1304:259-321. [PMID: 34019274 DOI: 10.1007/978-3-030-68748-9_15] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Inflammation is a characteristic marker in numerous lung disorders. Several immune cells, such as macrophages, dendritic cells, eosinophils, as well as T and B lymphocytes, synthetize and release cytokines involved in the inflammatory process. Gender differences in the incidence and severity of inflammatory lung ailments including asthma, chronic obstructive pulmonary disease (COPD), pulmonary fibrosis (PF), lung cancer (LC), and infectious related illnesses have been reported. Moreover, the effects of sex hormones on both androgens and estrogens, such as testosterone (TES) and 17β-estradiol (E2), driving characteristic inflammatory patterns in those lung inflammatory diseases have been investigated. In general, androgens seem to display anti-inflammatory actions, whereas estrogens produce pro-inflammatory effects. For instance, androgens regulate negatively inflammation in asthma by targeting type 2 innate lymphoid cells (ILC2s) and T-helper (Th)-2 cells to attenuate interleukin (IL)-17A-mediated responses and leukotriene (LT) biosynthesis pathway. Estrogens may promote neutrophilic inflammation in subjects with asthma and COPD. Moreover, the activation of estrogen receptors might induce tumorigenesis. In this chapter, we summarize the most recent advances in the functional roles and associated signaling pathways of inflammatory cellular responses in asthma, COPD, PF, LC, and newly occurring COVID-19 disease. We also meticulously deliberate the influence of sex steroids on the development and progress of these common and severe lung diseases.
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Affiliation(s)
- Jorge Reyes-García
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México, CDMX, Mexico City, Mexico.,Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY, USA
| | - Luis M Montaño
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México, CDMX, Mexico City, Mexico
| | - Abril Carbajal-García
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México, CDMX, Mexico City, Mexico
| | - Yong-Xiao Wang
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY, USA.
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19
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Tan Z, Xue H, Sun Y, Zhang C, Song Y, Qi Y. The Role of Tumor Inflammatory Microenvironment in Lung Cancer. Front Pharmacol 2021; 12:688625. [PMID: 34079469 PMCID: PMC8166205 DOI: 10.3389/fphar.2021.688625] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 04/29/2021] [Indexed: 12/12/2022] Open
Abstract
Lung cancer is the most common and fatal malignant tumor in the world. The tumor microenvironment (TME) is closely related to the occurrence and development of lung cancer, in which the inflammatory microenvironment plays an important role. Inflammatory cells and inflammatory factors in the tumor inflammatory microenvironment promote the activation of the NF-κB and STAT3 inflammatory pathways and the occurrence, development, and metastasis of lung cancer by promoting immune escape, tumor angiogenesis, epithelial-mesenchymal transition, apoptosis, and other mechanisms. Clinical and epidemiological studies have also shown a strong relationship among chronic infection, inflammation, inflammatory microenvironment, and lung cancer. The relationship between inflammation and lung cancer can be better understood through the gradual understanding of the tumor inflammatory microenvironment, which is advantageous to find more therapeutic targets for lung cancer.
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Affiliation(s)
- Zhaofeng Tan
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
- Departments of Oncology Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Haibin Xue
- Eighth Medical Center of the General Hospital of the Chinese People’s Liberation Army, Beijing, China
| | - Yuli Sun
- Departments of Oncology Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Chuanlong Zhang
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yonglei Song
- Departments of Oncology Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yuanfu Qi
- Departments of Oncology Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
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20
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Maimon A, Levi-Yahid V, Ben-Meir K, Halpern A, Talmi Z, Priya S, Mizraji G, Mistriel-Zerbib S, Berger M, Baniyash M, Loges S, Burstyn-Cohen T. Myeloid cell-derived PROS1 inhibits tumor metastasis by regulating inflammatory and immune responses via IL-10. J Clin Invest 2021; 131:126089. [PMID: 33848267 DOI: 10.1172/jci126089] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 04/07/2021] [Indexed: 12/11/2022] Open
Abstract
Stimulation of TAM (TYRO3, AXL, and MERTK) receptor tyrosine kinases promotes tumor progression through numerous cellular mechanisms. TAM cognate ligands GAS6 and PROS1 (for TYRO3 and MERTK) are secreted by host immune cells, an interaction which may support tumor progression. Here, we revealed an unexpected antimetastatic role for myeloid-derived PROS1: suppressing metastatic potential in lung and breast tumor models. Pros1 deletion in myeloid cells led to increased lung metastasis, independent of primary tumor infiltration. PROS1-cKO bone marrow-derived macrophages (BMDMs) led to elevated TNF-α, IL-6, Nos2, and IL-10 via modulation of the Socs3/NF-κB pathway. Conditioned medium from cKO BMDMs enhanced EMT, ERK, AKT, and STAT3 activation within tumor cells and promoted IL-10-dependent invasion and survival. Macrophages isolated from metastatic lungs modulated T cell proliferation and function, as well as expression of costimulatory molecules on DCs in a PROS1-dependent manner. Inhibition of MERTK kinase activity blocked PROS1-mediated suppression of TNF-α and IL-6 but not IL-10. Overall, using lung and breast cancer models, we identified the PROS1/MERTK axis within BMDMs as a potent regulator of adaptive immune responses with a potential to suppress metastatic seeding and revealed IL-10 regulation by PROS1 to deviate from that of TNF-α and IL-6.
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Affiliation(s)
- Avi Maimon
- The Institute for Dental Sciences, Faculty of Dental Medicine and
| | | | - Kerem Ben-Meir
- The Lautenberg Center for Immunology and Cancer Research, Israel-Canada Medical Research Institute, Faculty of Medicine, the Hebrew University, Jerusalem, Israel
| | - Amit Halpern
- The Institute for Dental Sciences, Faculty of Dental Medicine and
| | - Ziv Talmi
- The Institute for Dental Sciences, Faculty of Dental Medicine and
| | - Shivam Priya
- The Institute for Dental Sciences, Faculty of Dental Medicine and
| | - Gabriel Mizraji
- The Institute for Dental Sciences, Faculty of Dental Medicine and
| | - Shani Mistriel-Zerbib
- The Lautenberg Center for Immunology and Cancer Research, Israel-Canada Medical Research Institute, Faculty of Medicine, the Hebrew University, Jerusalem, Israel
| | - Michael Berger
- The Lautenberg Center for Immunology and Cancer Research, Israel-Canada Medical Research Institute, Faculty of Medicine, the Hebrew University, Jerusalem, Israel
| | - Michal Baniyash
- The Lautenberg Center for Immunology and Cancer Research, Israel-Canada Medical Research Institute, Faculty of Medicine, the Hebrew University, Jerusalem, Israel
| | - Sonja Loges
- Division of Personalized Medical Oncology (A420), German Cancer Research Center (DKFZ), Heidelberg, Germany.,Department of Personalized Oncology, University Hospital Mannheim, Mannheim, Germany
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21
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Sedighzadeh SS, Khoshbin AP, Razi S, Keshavarz-Fathi M, Rezaei N. A narrative review of tumor-associated macrophages in lung cancer: regulation of macrophage polarization and therapeutic implications. Transl Lung Cancer Res 2021; 10:1889-1916. [PMID: 34012800 PMCID: PMC8107755 DOI: 10.21037/tlcr-20-1241] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Lung cancer is the deadliest malignancy worldwide. An inflammatory microenvironment is a key factor contributing to lung tumor progression. Tumor-Associated Macrophages (TAMs) are prominent components of the cancer immune microenvironment with diverse supportive and inhibitory effects on growth, progression, and metastasis of lung tumors. Two main macrophage phenotypes with different functions have been identified. They include inflammatory or classically activated (M1) and anti-inflammatory or alternatively activated (M2) macrophages. The contrasting functions of TAMs in relation to lung neoplasm progression stem from the presence of TAMs with varying tumor-promoting or anti-tumor activities. This wide spectrum of functions is governed by a network of cytokines and chemokines, cell-cell interactions, and signaling pathways. TAMs are promising therapeutic targets for non-small cell lung cancer (NSCLC) treatment. There are several strategies for TAM targeting and utilizing them for therapeutic purposes including limiting monocyte recruitment and localization through various pathways such as CCL2-CCR2, CSF1-CSF1R, and CXCL12-CXCR4, targeting the activation of TAMs, genetic and epigenetic reprogramming of TAMs to antitumor phenotype, and utilizing TAMs as the carrier for anti-cancer drugs. In this review, we will outline the role of macrophages in the lung cancer initiation and progression, pathways regulating their function in lung cancer microenvironment as well as the role of these immune cells in the development of future therapeutic strategies.
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Affiliation(s)
- Sahar Sadat Sedighzadeh
- Department of Biological Sciences, Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz, Iran.,Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Amin Pastaki Khoshbin
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Sepideh Razi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mahsa Keshavarz-Fathi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Sheffield, UK
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22
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Redin E, Garmendia I, Lozano T, Serrano D, Senent Y, Redrado M, Villalba M, De Andrea CE, Exposito F, Ajona D, Ortiz-Espinosa S, Remirez A, Bertolo C, Sainz C, Garcia-Pedrero J, Pio R, Lasarte J, Agorreta J, Montuenga LM, Calvo A. SRC family kinase (SFK) inhibitor dasatinib improves the antitumor activity of anti-PD-1 in NSCLC models by inhibiting Treg cell conversion and proliferation. J Immunother Cancer 2021; 9:jitc-2020-001496. [PMID: 33658304 PMCID: PMC7931761 DOI: 10.1136/jitc-2020-001496] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/12/2021] [Indexed: 12/22/2022] Open
Abstract
INTRODUCTION The use of immune-checkpoint inhibitors has drastically improved the management of patients with non-small cell lung cancer (NSCLC), but innate and acquired resistances are hurdles needed to be solved. Immunomodulatory drugs that can reinvigorate the immune cytotoxic activity, in combination with antiprogrammed cell death 1 (PD-1) antibody, are a great promise to overcome resistance. We evaluated the impact of the SRC family kinases (SFKs) on NSCLC prognosis, and the immunomodulatory effect of the SFK inhibitor dasatinib, in combination with anti-PD-1, in clinically relevant mouse models of NSCLC. METHODS A cohort of patients from University Clinic of Navarra (n=116) was used to study immune infiltrates by multiplex immunofluorescence (mIF) and YES1 protein expression in tumor samples. Publicly available resources (TCGA, Km Plotter, and CIBERSORT) were used to study patient's survival based on expression of SFKs and tumor infiltrates. Syngeneic NSCLC mouse models 393P and UNSCC680AJ were used for in vivo drug testing. RESULTS Among the SFK members, YES1 expression showed the highest association with poor prognosis. Patients with high YES1 tumor levels also showed high infiltration of CD4+/FOXP3+ cells (regulatory T cells (Tregs)), suggesting an immunosuppressive phenotype. After testing for YES1 expression in a panel of murine cell lines, 393P and UNSCC680AJ were selected for in vivo studies. In the 393P model, dasatinib+anti-PD-1 treatment resulted in synergistic activity, with 87% tumor regressions and development of immunological memory that impeded tumor growth when mice were rechallenged. In vivo depletion experiments further showed that CD8+ and CD4+ cells are necessary for the therapeutic effect of the combination. The antitumor activity was accompanied by a very significant decrease in the number of Tregs, which was validated by mIF in tumor sections. In the UNSCC680AJ model, the antitumor effects of dasatinib+anti-PD-1 were milder but similar to the 393P model. In in vitro assays, we demonstrated that dasatinib blocks proliferation and transforming growth factor beta-driven conversion of effector CD4+ cells into Tregs through targeting of phospholymphocyte-specific protein tyrosine kinase and downstream effectors pSTAT5 and pSMAD3. CONCLUSIONS YES1 protein expression is associated with increased numbers of Tregs in patients with NSCLC. Dasatinib synergizes with anti-PD-1 to impair tumor growth in NSCLC experimental models. This study provides the preclinical rationale for the combined use of dasatinib and PD-1/programmed death-ligand 1 blockade to improve outcomes of patients with NSCLC.
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Affiliation(s)
- Esther Redin
- IDISNA and Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,CIBERONC, ISCIII, Madrid, Spain.,Department of Pathology, Anatomy and Physiology, School of Medicine, University of Navarra, Pamplona, Spain
| | - Irati Garmendia
- IDISNA and Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,Department of Pathology, Anatomy and Physiology, School of Medicine, University of Navarra, Pamplona, Spain
| | - Teresa Lozano
- Immunology and Immunotherapy Program, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Diego Serrano
- IDISNA and Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,Department of Pathology, Anatomy and Physiology, School of Medicine, University of Navarra, Pamplona, Spain
| | - Yaiza Senent
- IDISNA and Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Miriam Redrado
- IDISNA and Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Maria Villalba
- Department of Pathology, University Clinic of Navarra, Pamplona, Spain
| | - Carlos E De Andrea
- Department of Pathology, Anatomy and Physiology, School of Medicine, University of Navarra, Pamplona, Spain.,Department of Pathology, University Clinic of Navarra, Pamplona, Spain
| | - Francisco Exposito
- IDISNA and Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,CIBERONC, ISCIII, Madrid, Spain.,Department of Pathology, Anatomy and Physiology, School of Medicine, University of Navarra, Pamplona, Spain
| | - Daniel Ajona
- IDISNA and Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,CIBERONC, ISCIII, Madrid, Spain.,Department of Biochemistry and Genetics, School of Sciences, University of Navarra, Pamplona, Spain
| | - Sergio Ortiz-Espinosa
- IDISNA and Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,Department of Biochemistry and Genetics, School of Sciences, University of Navarra, Pamplona, Spain
| | - Ana Remirez
- IDISNA and Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Cristina Bertolo
- IDISNA and Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,CIBERONC, ISCIII, Madrid, Spain
| | - Cristina Sainz
- IDISNA and Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Juana Garcia-Pedrero
- CIBERONC, ISCIII, Madrid, Spain.,Department of Otolaryngology, Hospital Universitario Central de Asturias and Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Instituto Universitario de Oncología del Principado de Asturias, University of Oviedo, Oviedo, Spain
| | - Ruben Pio
- IDISNA and Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,CIBERONC, ISCIII, Madrid, Spain.,Department of Biochemistry and Genetics, School of Sciences, University of Navarra, Pamplona, Spain
| | - Juan Lasarte
- Immunology and Immunotherapy Program, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Jackeline Agorreta
- IDISNA and Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,CIBERONC, ISCIII, Madrid, Spain.,Department of Pathology, Anatomy and Physiology, School of Medicine, University of Navarra, Pamplona, Spain
| | - Luis M Montuenga
- IDISNA and Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,CIBERONC, ISCIII, Madrid, Spain.,Department of Pathology, Anatomy and Physiology, School of Medicine, University of Navarra, Pamplona, Spain
| | - Alfonso Calvo
- IDISNA and Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain .,CIBERONC, ISCIII, Madrid, Spain.,Department of Pathology, Anatomy and Physiology, School of Medicine, University of Navarra, Pamplona, Spain
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23
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Zhou CS, Feng MT, Chen X, Gao Y, Chen L, Li LD, Li DH, Cao YQ. Exonuclease 1 (EXO1) is a Potential Prognostic Biomarker and Correlates with Immune Infiltrates in Lung Adenocarcinoma. Onco Targets Ther 2021; 14:1033-1048. [PMID: 33623391 PMCID: PMC7894803 DOI: 10.2147/ott.s286274] [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: 10/21/2020] [Accepted: 01/16/2021] [Indexed: 12/16/2022] Open
Abstract
Background Exonuclease 1 (EXO1) has been identified to be highly expressed in different human malignancies, but its expression and prognostic role in lung adenocarcinoma (LUAD) remain unknown. Materials and Methods Two independent cohorts extracted from public databases and one cohort from our center were analyzed in this study. Expression levels of EXO1 in LUAD tissues and paired para-cancer tissues were detected. The prognostic value of EXO1 in LUAD patients was evaluated in the three cohorts. Enrichment analyses were performed to explore the possible underlying biological pathways. Moreover, we also explored the correlations between EXO1 and tumor-infiltrating immune cells and evaluated the impact of EXO1 knock-down on the migration of lung cancer cells. Results In this study, we found that EXO1 was highly expressed in LUAD tissues compared with para-cancerous tissues in public databases (p < 0.01), which was consistent with our data (p < 0.01). Survival analysis indicated that high expression of EXO1 was associated with poor prognosis in LUAD (p < 0.01). Enrichment analyses indicated that biological pathways like cell cycle regulation, DNA damage and repair, immune response, neuroactive ligand-receptor interaction, may be associated with EXO1 aberrant expression. Moreover, high expression of EXO1 was correlated with decreased infiltrating B cells (p < 0.01) and CD4+ T cells (p < 0.01) levels, and low infiltrating levels of B cells (p < 0.01) and dendritic cells (DCs) (p < 0.05) indicated poor overall survival (OS) in LUAD. Additionally, in vitro experiments suggested that knockdown of EXO1 may inhibit the migratory ability of lung cancer cells. Conclusion In conclusion, EXO1 is a potential prognostic biomarker in LUAD, and correlates with infiltrating levels of immune cells in the tumor microenvironment. Further prospective validation of EXO1 in lung cancer is warranted.
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Affiliation(s)
- Chang-Shuai Zhou
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Ming-Tao Feng
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Xin Chen
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Yang Gao
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Lei Chen
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Liang-Dong Li
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - De-Heng Li
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Yi-Qun Cao
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
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24
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Ge Z, Ding S. The Crosstalk Between Tumor-Associated Macrophages (TAMs) and Tumor Cells and the Corresponding Targeted Therapy. Front Oncol 2020; 10:590941. [PMID: 33224886 PMCID: PMC7670061 DOI: 10.3389/fonc.2020.590941] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 10/12/2020] [Indexed: 12/14/2022] Open
Abstract
Tumor microenvironment (TME) is composed of tumor cells and surrounding non-tumor stromal cells, mainly including tumor associated macrophages (TAMs), endothelial cells, and carcinoma-associated fibroblasts (CAFs). The TAMs are the major components of non-tumor stromal cells, and play an important role in promoting the occurrence and development of tumors. Macrophages originate from bone marrow hematopoietic stem cells and embryonic yolk sacs. There is close crosstalk between TAMs and tumor cells. With the occurrence of tumors, tumor cells secrete various chemokines to recruit monocytes to infiltrate tumor tissues and further promote their M2-type polarization. Importantly, M2-like TAMs can in turn accelerate tumor growth, promote tumor cell invasion and metastasis, and inhibit immune killing to promote tumor progression. Therefore, targeting TAMs in tumor tissues has become one of the principal strategies in current tumor immunotherapy. Current treatment strategies focus on reducing macrophage infiltration in tumor tissues and reprogramming TAMs to M1-like to kill tumors. Although these treatments have had some success, their effects are still limited. This paper mainly summarized the recruitment and polarization of macrophages by tumors, the support of TAMs for the growth of tumors, and the research progress of TAMs targeting tumors, to provide new treatment strategies for tumor immunotherapy.
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Affiliation(s)
- Zhe Ge
- School of Physical Education & Health Care, East China Normal University, Shanghai, China.,Key Laboratory of Adolescent Health Assessment and Exercise Intervention of Ministry of Education, East China Normal University, Shanghai, China
| | - Shuzhe Ding
- School of Physical Education & Health Care, East China Normal University, Shanghai, China.,Key Laboratory of Adolescent Health Assessment and Exercise Intervention of Ministry of Education, East China Normal University, Shanghai, China
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25
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Asare PF, Roscioli E, Hurtado PR, Tran HB, Mah CY, Hodge S. LC3-Associated Phagocytosis (LAP): A Potentially Influential Mediator of Efferocytosis-Related Tumor Progression and Aggressiveness. Front Oncol 2020; 10:1298. [PMID: 32850405 PMCID: PMC7422669 DOI: 10.3389/fonc.2020.01298] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 06/22/2020] [Indexed: 12/11/2022] Open
Abstract
One aim of cancer therapies is to induce apoptosis of tumor cells. Efficient removal of the apoptotic cells requires coordinated efforts between the processes of efferocytosis and LC3-associated phagocytosis (LAP). However, this activity has also been shown to produce anti-inflammatory and immunosuppressive signals that can be utilized by live tumor cells to evade immune defense mechanisms, resulting in tumor progression and aggressiveness. In the absence of LAP, mice exhibit suppressed tumor growth during efferocytosis, while LAP-sufficient mice show enhanced tumor progression. Little is known about how LAP or its regulators directly affect efferocytosis, tumor growth and treatment responses, and identifying the mechanisms involved has the potential to lead to the discovery of novel approaches to target cancer cells. Also incompletely understood is the direct effect of apoptotic cancer cells on LAP. This is particularly important as induction of apoptosis by current cytotoxic cancer therapies can potentially stimulate LAP following efferocytosis. Herein, we highlight the current understanding of the role of LAP and its relationship with efferocytosis in the tumor microenvironment with a view to presenting novel therapeutic strategies.
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Affiliation(s)
- Patrick F. Asare
- Department of Medicine, University of Adelaide, Adelaide, SA, Australia
| | - Eugene Roscioli
- Department of Medicine, University of Adelaide, Adelaide, SA, Australia
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide, SA, Australia
| | - Plinio R. Hurtado
- Department of Medicine, University of Adelaide, Adelaide, SA, Australia
- Department of Renal Medicine, Royal Adelaide Hospital, Adelaide, SA, Australia
| | - Hai B. Tran
- Department of Medicine, University of Adelaide, Adelaide, SA, Australia
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide, SA, Australia
| | - Chui Yan Mah
- Department of Medicine, University of Adelaide, Adelaide, SA, Australia
- South Australian Health and Medical Research Institute, Adelaide, SA, Australia
- Freemasons Foundation Centre for Men's Health, Adelaide, SA, Australia
| | - Sandra Hodge
- Department of Medicine, University of Adelaide, Adelaide, SA, Australia
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide, SA, Australia
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26
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Dahlem C, Siow WX, Lopatniuk M, Tse WKF, Kessler SM, Kirsch SH, Hoppstädter J, Vollmar AM, Müller R, Luzhetskyy A, Bartel K, Kiemer AK. Thioholgamide A, a New Anti-Proliferative Anti-Tumor Agent, Modulates Macrophage Polarization and Metabolism. Cancers (Basel) 2020; 12:cancers12051288. [PMID: 32438733 PMCID: PMC7281193 DOI: 10.3390/cancers12051288] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 05/12/2020] [Accepted: 05/13/2020] [Indexed: 12/24/2022] Open
Abstract
Natural products represent powerful tools searching for novel anticancer drugs. Thioholgamide A (thioA) is a ribosomally synthesized and post-translationally modified peptide, which has been identified as a product of Streptomyces sp. MUSC 136T. In this study, we provide a comprehensive biological profile of thioA, elucidating its effects on different hallmarks of cancer in tumor cells as well as in macrophages as crucial players of the tumor microenvironment. In 2D and 3D in vitro cell culture models thioA showed potent anti-proliferative activities in cancer cells at nanomolar concentrations. Anti-proliferative actions were confirmed in vivo in zebrafish embryos. Cytotoxicity was only induced at several-fold higher concentrations, as assessed by live-cell microscopy and biochemical analyses. ThioA exhibited a potent modulation of cell metabolism by inhibiting oxidative phosphorylation, as determined in a live-cell metabolic assay platform. The metabolic modulation caused a repolarization of in vitro differentiated and polarized tumor-promoting human monocyte-derived macrophages: ThioA-treated macrophages showed an altered morphology and a modulated expression of genes and surface markers. Taken together, the metabolic regulator thioA revealed low activities in non-tumorigenic cells and an interesting anti-cancer profile by orchestrating different hallmarks of cancer, both in tumor cells as well as in macrophages as part of the tumor microenvironment.
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Affiliation(s)
- Charlotte Dahlem
- Department of Pharmacy, Pharmaceutical Biology, Saarland University, Campus C2 3, 66123 Saarbrücken, Germany; (C.D.); (S.M.K.); (J.H.)
| | - Wei Xiong Siow
- Department of Pharmacy, Pharmaceutical Biology, Ludwig-Maximilians-University of Munich, Butenandtstrasse 5-13, 81377 Munich, Germany; (W.X.S.); (A.M.V.); (K.B.)
| | - Maria Lopatniuk
- Department of Pharmacy, Pharmaceutical Biotechnology, Saarland University, Campus C2 3, 66123 Saarbrücken, Germany; (M.L.); (A.L.)
| | - William K. F. Tse
- Center for Promotion of International Education and Research, Faculty of Agriculture, Kyushu University, 744 Motooka Nishi-ku, Fukuoka 819-0395, Japan;
| | - Sonja M. Kessler
- Department of Pharmacy, Pharmaceutical Biology, Saarland University, Campus C2 3, 66123 Saarbrücken, Germany; (C.D.); (S.M.K.); (J.H.)
- Department of Pharmacology for Natural Sciences, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, 06120 Halle, Germany
| | - Susanne H. Kirsch
- Department of Microbial Natural Products, Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research, Campus E8 1, 66123 Saarbrücken, Germany; (S.H.K.); (R.M.)
| | - Jessica Hoppstädter
- Department of Pharmacy, Pharmaceutical Biology, Saarland University, Campus C2 3, 66123 Saarbrücken, Germany; (C.D.); (S.M.K.); (J.H.)
| | - Angelika M. Vollmar
- Department of Pharmacy, Pharmaceutical Biology, Ludwig-Maximilians-University of Munich, Butenandtstrasse 5-13, 81377 Munich, Germany; (W.X.S.); (A.M.V.); (K.B.)
| | - Rolf Müller
- Department of Microbial Natural Products, Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research, Campus E8 1, 66123 Saarbrücken, Germany; (S.H.K.); (R.M.)
- Department of Pharmacy, Saarland University, 66123 Saarbrücken, Germany
| | - Andriy Luzhetskyy
- Department of Pharmacy, Pharmaceutical Biotechnology, Saarland University, Campus C2 3, 66123 Saarbrücken, Germany; (M.L.); (A.L.)
- Department of Microbial Natural Products, Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research, Campus E8 1, 66123 Saarbrücken, Germany; (S.H.K.); (R.M.)
| | - Karin Bartel
- Department of Pharmacy, Pharmaceutical Biology, Ludwig-Maximilians-University of Munich, Butenandtstrasse 5-13, 81377 Munich, Germany; (W.X.S.); (A.M.V.); (K.B.)
| | - Alexandra K. Kiemer
- Department of Pharmacy, Pharmaceutical Biology, Saarland University, Campus C2 3, 66123 Saarbrücken, Germany; (C.D.); (S.M.K.); (J.H.)
- Correspondence: ; Tel.: +49-681-302-57301
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27
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Frafjord A, Skarshaug R, Hammarström C, Stankovic B, Dorg LT, Aamodt H, Woldbaek PR, Helland Å, Brustugun OT, Øynebråten I, Corthay A. Antibody combinations for optimized staining of macrophages in human lung tumours. Scand J Immunol 2020; 92:e12889. [PMID: 32299134 DOI: 10.1111/sji.12889] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 04/02/2020] [Accepted: 04/06/2020] [Indexed: 12/13/2022]
Abstract
The analysis of tumour-associated macrophages (TAMs) has a high potential to predict cancer recurrence and response to immunotherapy. However, the heterogeneity of TAMs poses a challenge for quantitative and qualitative measurements. Here, we critically evaluated by immunohistochemistry and flow cytometry two commonly used pan-macrophage markers (CD14 and CD68) as well as some suggested markers for tumour-promoting M2 macrophages (CD163, CD204, CD206 and CD209) in human non-small cell lung cancer (NSCLC). Tumour, non-cancerous lung tissue and blood were investigated. For immunohistochemistry, CD68 was confirmed to be a useful pan-macrophage marker although careful selection of antibody was found to be critical. The widely used anti-CD68 antibody clone KP-1 stains both macrophages and neutrophils, which is problematic for TAM quantification because lung tumours contain many neutrophils. For TAM counting in tumour sections, we recommend combined labelling of CD68 with a cell membrane marker such as CD14, CD163 or CD206. In flow cytometry, the commonly used combination of CD14 and HLA-DR was found to not be optimal because some TAMs do not express CD14. Instead, combined staining of CD68 and HLA-DR is preferable to gate all TAMs. Concerning macrophage phenotypic markers, the scavenger receptor CD163 was found to be expressed by a substantial fraction (50%-86%) of TAMs with a large patient-to-patient variation. Approximately 50% of TAMs were positive for CD206. Surprisingly, there was no clear overlap between CD163 and CD206 positivity, and three distinct TAM sub-populations were identified in NSCLC tumours: CD163+ CD206+ , CD163+ CD206- and CD163- CD206- . This work should help develop macrophage-based prognostic tools for cancer.
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Affiliation(s)
- Astri Frafjord
- Tumor Immunology Lab, Department of Pathology, Rikshospitalet, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Renate Skarshaug
- Tumor Immunology Lab, Department of Pathology, Rikshospitalet, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Clara Hammarström
- Department of Pathology, Rikshospitalet, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Branislava Stankovic
- Tumor Immunology Lab, Department of Pathology, Rikshospitalet, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Linda T Dorg
- Tumor Immunology Lab, Department of Pathology, Rikshospitalet, Oslo University Hospital and University of Oslo, Oslo, Norway.,Department of Pathology, Rikshospitalet, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Henrik Aamodt
- Tumor Immunology Lab, Department of Pathology, Rikshospitalet, Oslo University Hospital and University of Oslo, Oslo, Norway.,Department of Cardiothoracic Surgery, Ullevål Hospital, Oslo University Hospital, Oslo, Norway
| | - Per Reidar Woldbaek
- Department of Cardiothoracic Surgery, Ullevål Hospital, Oslo University Hospital, Oslo, Norway
| | - Åslaug Helland
- Department of Oncology, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway.,Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Department of Genetics, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway
| | - Odd Terje Brustugun
- Department of Genetics, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway.,Section of Oncology, Drammen Hospital, Vestre Viken Health Trust, Drammen, Norway
| | - Inger Øynebråten
- Tumor Immunology Lab, Department of Pathology, Rikshospitalet, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Alexandre Corthay
- Tumor Immunology Lab, Department of Pathology, Rikshospitalet, Oslo University Hospital and University of Oslo, Oslo, Norway.,Hybrid Technology Hub - Centre of Excellence, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
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28
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IL-10 suppresses IFN-γ-mediated signaling in lung adenocarcinoma. Clin Exp Med 2020; 20:449-459. [PMID: 32306136 DOI: 10.1007/s10238-020-00626-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 04/02/2020] [Indexed: 01/04/2023]
Abstract
Interleukin-10 (IL-10) is a pleiotropic cytokine produced by a wide variety of cells. It has been implicated in cancer progression, and at times, it has seemingly contradictory effects. The impact of IL-10 on immune components in the context of cancer has been intensively investigated, but its effect on cancer cells remains poorly understood. In this study, we examined the expression of IL-10 and IL-10 receptor 1 (IL-10R1) in resected locally advanced lung adenocarcinoma by immunohistochemistry. IL-10 immunoreactivity was stronger in intraepithelial regions than in stroma. The amount of IL-10 found either in intraepithelial or in stromal regions had no prognostic value, but the relative distribution of IL-10 in these two locations was related to cancer-immune phenotypes. High expression of IL-10R1 by tumor cells was significantly correlated with poor prognosis, suggesting that IL-10-mediated signaling may induce cancer cell intrinsic effects that promote cancer progression. Functional analysis using human lung adenocarcinoma cell lines revealed that IL-10 did not directly affect cell proliferation and migration. Incubation of cancer cells with IL-10 suppressed interferon-γ (IFN-γ)-induced STAT1 phosphorylation and inhibited the transcription of IFN-γ-targeted genes, such as CXCL9, CXCL10, and PD-L1. IL-10 enhanced IFN-γ-induced SOCS1 and SOCS3 expression, an effect that might be responsible for the downregulation of STAT1 activity in cancer cells. Our findings provide a rationale for targeting IL-10 on cancer cells as a potential strategy for treating cancer.
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29
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Sarode P, Schaefer MB, Grimminger F, Seeger W, Savai R. Macrophage and Tumor Cell Cross-Talk Is Fundamental for Lung Tumor Progression: We Need to Talk. Front Oncol 2020; 10:324. [PMID: 32219066 PMCID: PMC7078651 DOI: 10.3389/fonc.2020.00324] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 02/24/2020] [Indexed: 12/14/2022] Open
Abstract
Regardless of the promising results of certain immune checkpoint blockers, current immunotherapeutics have met a bottleneck concerning response rate, toxicity, and resistance in lung cancer patients. Accumulating evidence forecasts that the crosstalk between tumor and immune cells takes center stage in cancer development by modulating tumor malignancy, immune cell infiltration, and immune evasion in the tumor microenvironment (TME). Cytokines and chemokines secreted by this crosstalk play a major role in cancer development, progression, and therapeutic management. An increased infiltration of Tumor-associated macrophages (TAMs) was observed in most of the human cancers, including lung cancer. In this review, we emphasize the role of cytokines and chemokines in TAM-tumor cell crosstalk in the lung TME. Given the role of cytokines and chemokines in immunomodulation, we propose that TAM-derived cytokines and chemokines govern the cancer-promoting immune responses in the TME and offer a new immunotherapeutic option for lung cancer treatment.
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Affiliation(s)
- Poonam Sarode
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, Germany
| | - Martina Barbara Schaefer
- Department of Internal Medicine, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Justus Liebig University, Giessen, Germany
| | - Friedrich Grimminger
- Department of Internal Medicine, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Justus Liebig University, Giessen, Germany
| | - Werner Seeger
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, Germany.,Department of Internal Medicine, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Justus Liebig University, Giessen, Germany
| | - Rajkumar Savai
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Bad Nauheim, Germany.,Department of Internal Medicine, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI), Justus Liebig University, Giessen, Germany.,Frankfurt Cancer Institute (FCI), Goethe University, Frankfurt am Main, Germany
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Yadav MK, Inoue Y, Nakane-Otani A, Tsunakawa Y, Jeon H, Samir O, Teramoto A, Kulathunga K, Kusakabe M, Nakamura M, Kudo T, Takahashi S, Hamada M. Transcription factor MafB is a marker of tumor-associated macrophages in both mouse and humans. Biochem Biophys Res Commun 2019; 521:590-595. [PMID: 31679694 DOI: 10.1016/j.bbrc.2019.10.125] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 10/16/2019] [Indexed: 12/14/2022]
Abstract
The transcription factor MafB is specifically expressed in macrophages. We have recently demonstrated that MafB is expressed in anti-inflammatory alternatively activated M2 macrophages in vitro. Tumor-associated macrophages (TAMs) are a subset of M2 type macrophages that can promote immunosuppressive activity, induce angiogenesis, and promote tumor cell proliferation. To examine whether MafB express in TAMs, we analyzed green fluorescent protein (GFP) expression in Lewis lung carcinoma tumors of MafB-GFP knock-in heterozygous mice. FACS analysis demonstrated GFP fluorescence in cells positive for macrophage-markers (F4/80, CD11b, CD68, and CD204). Moreover, quantitative RT-PCR analysis with F4/80+GFP+ and F4/80+GFP- sorted cells showed that the GFP-positive macrophages express IL-10, Arg-1, and TNF-α, which were known to be expressed in TAMs. These results indicate that MafB is expressed in TAMs. Furthermore, immunostaining analysis using an anti-MAFB antibody revealed that MAFB is expressed in CD204-and CD68-positive macrophages in human lung cancer samples. In conclusion, MafB can be a suitable marker of TAMs in both mouse and human tumor tissues.
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Affiliation(s)
- Manoj Kumar Yadav
- Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan; Ph.D. Program in Human Biology, School of Integrative and Global Majors, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yuri Inoue
- Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan; Doctoral Program in Biomedical Sciences, Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Aya Nakane-Otani
- Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yuki Tsunakawa
- Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Hyojung Jeon
- Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Omar Samir
- Laboratory Animal Resource Center in Transborder Medical Research Center, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan; Department of Pathology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Akari Teramoto
- Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Kaushalya Kulathunga
- Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Manabu Kusakabe
- Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan; Department of Hematology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Megumi Nakamura
- Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Takashi Kudo
- Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan; Laboratory Animal Resource Center in Transborder Medical Research Center, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Satoru Takahashi
- Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan; Laboratory Animal Resource Center in Transborder Medical Research Center, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan; International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan; Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8577, Japan.
| | - Michito Hamada
- Department of Anatomy and Embryology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan; Laboratory Animal Resource Center in Transborder Medical Research Center, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8575, Japan.
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Ma X, Wang M, Yin T, Zhao Y, Wei X. Myeloid-Derived Suppressor Cells Promote Metastasis in Breast Cancer After the Stress of Operative Removal of the Primary Cancer. Front Oncol 2019; 9:855. [PMID: 31552179 PMCID: PMC6746963 DOI: 10.3389/fonc.2019.00855] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 08/19/2019] [Indexed: 02/05/2023] Open
Abstract
Objective: To investigate the role of myeloid-derived suppressor cells (MDSC) in cancer progression after the stress of operative removal and the potential treatment value of MDSC depletion. Summary Background Data: Surgery is the most important treatment strategy in breast cancer. Recent research has provided evidence that operations may promote cancer metastases under some circumstances. Methods: A mouse model of breast cancer (administration of the murine breast cancer 4T1 cells subcutaneously) and the stress of operation were used to compare immune responses and survival outcomes. Flow cytometry was performed to detect the expression of CD11b and Gr1 MDSCs in tumor tissues and lung metastases. Cytokine levels were detected with three-color flow cytometry and enzyme-linked immunosorbent assay (ELISA). MDSCs were isolated and co-cultured with 4T1 cells to identify any morphological change with immunofluorescence. The anti Gr-1 antibody was used to detect the function of the anti-Gr1 treatment in breast cancer. Results: The operative stress impaired the overall survival, leading to an increased number of MDSCs that preferentially infiltrated the tumor microenvironment and promoted tumor metastasis. In both in vitro and in vivo assays, MDSCs induced the epithelial-mesenchymal transition (EMT) of tumor cells through the up-regulation of TGF-beta1, VEGF, and IL-10. Furthermore, a treatment strategy of MDSC depletion was found to reduce pulmonary metastases after operations. Conclusions: The stress of operation could impair the overall survival in mice. The infiltrated MDSCs appear to induce EMT of tumor cells and increase metastases through the up-regulation of TGF-beta1, VEGF, and IL-10 levels. MDSC depletion could be a promising treatment strategy to prevent immune evasion after operations.
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Affiliation(s)
- Xuelei Ma
- State Key Laboratory of Biotherapy, Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Manni Wang
- State Key Laboratory of Biotherapy, Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Tao Yin
- State Key Laboratory of Biotherapy, Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yunuo Zhao
- State Key Laboratory of Biotherapy, Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Xiawei Wei
- Lab of Aging Research and Nanotoxicology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
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Heng WS, Gosens R, Kruyt FAE. Lung cancer stem cells: origin, features, maintenance mechanisms and therapeutic targeting. Biochem Pharmacol 2018; 160:121-133. [PMID: 30557553 DOI: 10.1016/j.bcp.2018.12.010] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 12/13/2018] [Indexed: 02/07/2023]
Abstract
Lung cancer remains the leading cause of cancer-related deaths despite recent breakthroughs in immunotherapy. The widely embraced cancer stem cell (CSC) theory has also been applied for lung cancer, postulating that an often small proportion of tumor cells with stem cell properties are responsible for tumor growth, therapeutic resistance and metastasis. The identification of these CSCs and underlying molecular maintenance mechanisms is considered to be absolutely necessary for developing therapies for their riddance, hence achieving remission. In this review, we will critically address the CSC concept in lung cancer and its advancement thus far. We will describe both normal lung stem cells and their malignant counterparts in order to identify common aspects with respect to their emergence and regulation. Subsequently, the importance of CSCs and their molecular features in lung cancers will be discussed in a preclinical and clinical context. We will highlight some examples on how lung CSCs attain stemness through different molecular modifications and cellular assistance from the tumor microenvironment. The exploitation of these mechanistic features for the development of pharmacological therapy will also be discussed. In summary, the validity of the CSC concept has been evidenced by various studies. Ongoing research to identify molecular mechanisms driving lung CSC have revealed potential new cell intrinsic as well as tumor microenvironment-derived therapeutic targets. Although successfully demonstrated in preclinical models, the clinical benefit of lung CSC targeted therapies has thus far not been demonstrated. Therefore, further research to validate the therapeutic value of CSC concept is required.
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Affiliation(s)
- Win Sen Heng
- Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Reinoud Gosens
- Department of Molecular Pharmacology, University of Groningen, The Netherlands
| | - Frank A E Kruyt
- Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
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Ugur MG, Kutlu R, Kilinc I. The effects of smoking on vascular endothelial growth factor and inflammation markers: A case-control study. CLINICAL RESPIRATORY JOURNAL 2018; 12:1912-1918. [DOI: 10.1111/crj.12755] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 11/29/2017] [Accepted: 12/02/2017] [Indexed: 11/30/2022]
Affiliation(s)
- Merve Guzeldulger Ugur
- Department of Family Medicine, Meram Medical Faculty; Necmettin Erbakan University; Konya Turkey
| | - Ruhusen Kutlu
- Department of Family Medicine, Meram Medical Faculty; Necmettin Erbakan University; Konya Turkey
| | - Ibrahim Kilinc
- Department of Medical Biochemistry, Meram Medicine Faculty; Necmettin Erbakan University; Konya Turkey
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Inverse role of distinct subsets and distribution of macrophage in lung cancer prognosis: a meta-analysis. Oncotarget 2018; 7:40451-40460. [PMID: 27248173 PMCID: PMC5130019 DOI: 10.18632/oncotarget.9625] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2015] [Accepted: 05/02/2016] [Indexed: 01/11/2023] Open
Abstract
Background Tumor-associated macrophages (TAMs) play a crucial role in the regulation of local inflammatory and immune response of tumor microenvironment, being associated with worse outcome of several solid tumors. But the prognostic value of tumor-infiltrating TAMs in lung cancer is still controversial. Methods We conduct a meta-analysis of 3055 patients in 21 studies searched from PubMed and Medline to investigate the correlation between tumor-infiltrating TAMs, including distinct TAM subsets and tissue distribution, and survival of lung cancer. Survival data were computed into odds ratios (ORs) and pooled using Mantel–Haenszel random-effect model. All statistical tests were two-sided. Results High density of tumor-infiltrating TAMs was significantly associated with worse overall survival (OS) at 3 years (OR = 2.45, 95% CI = 1.25 to 4.80, P = 0.009) and 5 years (OR = 2.04, 95% CI = 1.03 to 4.01, P = 0.04) of lung cancer. Results for disease free survival (DFS) were similar. M2 subset was associated with worse 3 year-OS and 5 year-OS, whereas M1 subset was associated with better 3-year OS and 5-year OS. Elevated TAM density in tumor stroma was associated with worse OS at 3 years and 5 years, while elevated TAMs in tumor islet/tumor stroma were associated with better OS at 3 years and 5 years. Conclusions Increased tumor-infiltrating TAMs are associated with poor prognosis of lung cancer. M2 subset and TAMs in tumor stroma were associated with worse survival, while M1 subset and TAMs in tumor islet were associated with favorable survival of lung cancer.
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Vahl JM, Friedrich J, Mittler S, Trump S, Heim L, Kachler K, Balabko L, Fuhrich N, Geppert CI, Trufa DI, Sopel N, Rieker R, Sirbu H, Finotto S. Interleukin-10-regulated tumour tolerance in non-small cell lung cancer. Br J Cancer 2017; 117:1644-1655. [PMID: 29016555 PMCID: PMC5729436 DOI: 10.1038/bjc.2017.336] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 08/03/2017] [Accepted: 08/30/2017] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Lung cancer is the most life-threatening cancer type worldwide. Treatment options include surgery, radio- and chemotherapy, as well as the use of immunomodulatory antibodies. Interleukin (IL)-10 is an immunosuppressive cytokine involved in tumour immune escape. METHODS Immunohistochemistry (IHC) on human lung surgery tissue as well as human tumour cell line cultures, FACS analysis, real-time PCR and experimental lung cancer. RESULTS Here we discovered a positive correlation between IL-10 and IL-10 receptor (IL-10R) expression in the lung with tumour diameter in patients with lung cancer (non-small cell lung cancer), the most life-threatening cancer type worldwide. IL-10 and IL-10R were found induced in cells surrounding the lung tumour cells, and IL-10R was mainly expressed on the surface of Foxp-3+ T-regulatory lymphocytes infiltrating the tumour of these patients where its expression inversely correlated with programmed cell death 1. These findings were confirmed in translational studies. In a human lung adenocarcinoma cell line, IL-10R was found induced under metabolic restrictions present during tumour growth, whereby IL-10 inhibited PDL1 and tumour cell apoptosis. CONCLUSIONS These new findings suggest that IL-10 counteracts IFN-γ effects on PD1/PDL1 pathway, resulting in possible resistance of the tumour to anti-PD1/PDL1 immunotherapy.
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Affiliation(s)
- Julius Malte Vahl
- Laboratory of Cellular and Molecular Lung Immunology, Department of Molecular Pneumology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Hartmannstraβe 14, Erlangen 91052, Germany
| | - Juliane Friedrich
- Laboratory of Cellular and Molecular Lung Immunology, Department of Molecular Pneumology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Hartmannstraβe 14, Erlangen 91052, Germany
| | - Susanne Mittler
- Laboratory of Cellular and Molecular Lung Immunology, Department of Molecular Pneumology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Hartmannstraβe 14, Erlangen 91052, Germany
| | - Sonja Trump
- Laboratory of Cellular and Molecular Lung Immunology, Department of Molecular Pneumology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Hartmannstraβe 14, Erlangen 91052, Germany
| | - Lisanne Heim
- Laboratory of Cellular and Molecular Lung Immunology, Department of Molecular Pneumology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Hartmannstraβe 14, Erlangen 91052, Germany
| | - Katerina Kachler
- Laboratory of Cellular and Molecular Lung Immunology, Department of Molecular Pneumology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Hartmannstraβe 14, Erlangen 91052, Germany
| | - Liubov Balabko
- Laboratory of Cellular and Molecular Lung Immunology, Department of Molecular Pneumology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Hartmannstraβe 14, Erlangen 91052, Germany
| | - Nicole Fuhrich
- Institute of Pathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Krankenhausstraβe 8-10, Erlangen 91054, Germany
| | - Carol-Immanuel Geppert
- Institute of Pathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Krankenhausstraβe 8-10, Erlangen 91054, Germany
| | - Denis Iulian Trufa
- Department of Thoracic Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Krankenhausstraβe 12, Erlangen 91054, Germany
| | - Nina Sopel
- Laboratory of Cellular and Molecular Lung Immunology, Department of Molecular Pneumology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Hartmannstraβe 14, Erlangen 91052, Germany
| | - Ralf Rieker
- Institute of Pathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Krankenhausstraβe 8-10, Erlangen 91054, Germany
| | - Horia Sirbu
- Department of Thoracic Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Krankenhausstraβe 12, Erlangen 91054, Germany
| | - Susetta Finotto
- Laboratory of Cellular and Molecular Lung Immunology, Department of Molecular Pneumology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Hartmannstraβe 14, Erlangen 91052, Germany
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Abstract
Inflammatory cells and mediators are essential components in tumor microenvironment and play decisive roles in the initiation, proliferation, survival, promotion, invasion, or metastasis of lung cancer. Clinical and epidemiologic studies suggested a strong association between inflammation and lung cancer and an influence of immune surveillances and tumor responses to chemotherapeutic drugs, although roles of inflammation in lung cancer remain unclear. The present review outlined roles of inflammation in lung cancer, with particular focus on inflammatory components, types, biomarkers, or principal mechanisms by which the inflammation contributes to the development of lung cancer. The cancer-associated inflammatory cells (CICs) should be furthermore defined and include cancer-specific and interacted cells with inflammatory or inflammation-like characteristics, e.g., innate or adaptive immune cells and cancer tissue cells. We also discuss targeting potentials of inflammation in the prevention and treatment of lung cancer. The diversity of cancer-related inflammatory microenvironment is instrumental to design novel therapeutic approaches for lung cancer.
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Pogoda K, Pyszniak M, Rybojad P, Tabarkiewicz J. Monocytic myeloid-derived suppressor cells as a potent suppressor of tumor immunity in non-small cell lung cancer. Oncol Lett 2016; 12:4785-4794. [PMID: 28101225 DOI: 10.3892/ol.2016.5273] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Accepted: 08/01/2016] [Indexed: 12/29/2022] Open
Abstract
Immunotherapy is a promising therapeutic option for patients with non-small cell lung cancer (NSCLC) who do not qualify for surgery. In patients with advanced NSCLC, systemic immune suppression is frequently observed, therefore, researchers are investigating the tumor microenvironment for less invasive and more effective methods of treating lung cancer. Monocytic myeloid-derived suppressor cells (Mo-MDSCs) are potent suppressors of tumor immunity; therefore, this population may significantly impede the application of immunotherapy to treat cancer. The present study evaluated the distribution of Mo-MDSCs and monocytes/macrophages in the peripheral blood, lymph nodes and tumor tissue of patients with NSCLC. Furthermore, the profiles of cytokines produced by these cell populations, including interleukin (IL)-1β, IL-12/23p40, IL-10, transforming growth factor-β (TGF-β) and tumor necrosis factor (TNF), were compared. The cell populations and the expression of cytokines were assessed by flow cytometry after 4 h in culture with mitogens and Brefeldin A. Mo-MDSCs were more numerous than monocytes/macrophages in all tissues and their prevalence was highest in the peripheral blood; they expressed higher levels of TGF-β than monocytes/macrophages in all tissues and expression of TGF-β produced by Mo-MDSCs was higher in the blood than in lymph nodes and tumor tissues. A higher percentage of monocytes/macrophages was observed in lymph nodes and tumor tissues than in blood. CD14+HLA-DR+ cells also produced more IL-10 in lymph nodes than Mo-MDSCs and more IL-1β and TNF in all tissues. A higher prevalence of cluster of differentiation 14+ human leukocyte antigen-D related+ cells secreting IL-1β, TNF and IL-12/23p40 was observed in peripheral blood. Thus, the results of the current study support the statement that Mo-MDSCs and monocytes/macrophages participate in NSCLC induced immunosuppression, and is consistent with previous research into associations between the TGF-β signaling pathway and tumor cell invasion, motility and metastasis. The study also demonstrated that Mo-MDSCs promote tumor growth through their immunosuppressive activity. In addition, the profile of cytokines expressed by monocytes/macrophages suggests that this cell population may be associated with metastasis formation and angiogenesis promotion in patients with NSCLC.
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Affiliation(s)
- Katarzyna Pogoda
- Centre for Innovative Research in Medical and Natural Sciences, Faculty of Medicine, University of Rzeszow, 35-310 Rzeszow, Poland; Department of Immunology, Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; Postgraduate School of Molecular Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Maria Pyszniak
- Centre for Innovative Research in Medical and Natural Sciences, Faculty of Medicine, University of Rzeszow, 35-310 Rzeszow, Poland; Department of Immunology, Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; Postgraduate School of Molecular Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Paweł Rybojad
- Department of Thoracic Surgery, Medical University of Lublin, 20-097 Lublin, Poland
| | - Jacek Tabarkiewicz
- Centre for Innovative Research in Medical and Natural Sciences, Faculty of Medicine, University of Rzeszow, 35-310 Rzeszow, Poland; Department of Immunology, Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland
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Okła K, Wertel I, Polak G, Surówka J, Wawruszak A, Kotarski J. Tumor-Associated Macrophages and Myeloid-Derived Suppressor Cells as Immunosuppressive Mechanism in Ovarian Cancer Patients: Progress and Challenges. Int Rev Immunol 2016; 35:372-385. [PMID: 27644763 DOI: 10.1080/08830185.2016.1206097] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Cancers are complex masses of malignant cells and nonmalignant cells that create the tumor microenvironment (TME). Non-transformed cells of the TME such as tumor-associated macrophages (TAMs) and myeloid-derived suppressor cells (MDSCs) have been observed in the TME of ovarian cancer (OC) patients. Although these subsets may contribute to each step of carcinogenesis and are commonly associated with poor prognosis, still little is known about creation of the protumor microenvironment in OC. In this review, we focused on the nature and prognostic significance of TAMs and MDSCs in OC patients. Moreover, we discuss the main problems and challenges that must be overcome by researchers and clinicians to enrich our knowledge about the immunosuppressive microenvironment of cancers.
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Affiliation(s)
- Karolina Okła
- a Department of Oncological Gynaecology and Gynaecology , Medical University , Lublin , Poland
| | - Iwona Wertel
- a Department of Oncological Gynaecology and Gynaecology , Medical University , Lublin , Poland
| | - Grzegorz Polak
- a Department of Oncological Gynaecology and Gynaecology , Medical University , Lublin , Poland
| | - Justyna Surówka
- a Department of Oncological Gynaecology and Gynaecology , Medical University , Lublin , Poland
| | - Anna Wawruszak
- b Department of Biochemistry and Molecular Biology , Medical University , Lublin , Poland
| | - Jan Kotarski
- a Department of Oncological Gynaecology and Gynaecology , Medical University , Lublin , Poland
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Bauer AK, Velmurugan K, Xiong KN, Alexander CM, Xiong J, Brooks R. Epiregulin is required for lung tumor promotion in a murine two-stage carcinogenesis model. Mol Carcinog 2016; 56:94-105. [PMID: 26894620 DOI: 10.1002/mc.22475] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Revised: 01/27/2016] [Accepted: 02/06/2016] [Indexed: 01/08/2023]
Abstract
Adenocarcinoma accounts for ∼40% of lung cancer, equating to ∼88 500 new patients in 2015, most of who will succumb to this disease, thus, the public health burden is evident. Unfortunately, few early biomarkers as well as effective therapies exist, hence the need for novel targets in lung cancer treatment. We previously identified epiregulin (Ereg), an EGF-like ligand, as a biomarker in several mouse lung cancer models. In the present investigation we used a primary two-stage initiation/promotion model to test our hypothesis that Ereg deficiency would reduce lung tumor promotion in mice. We used 3-methylcholanthrene (initiator) or oil vehicle followed by multiple weekly exposures to butylated hydroxytoluene (BHT; promoter) in mice lacking Ereg (Ereg-/- ) and wildtype controls (BALB/ByJ; Ereg+/+ ) and examined multiple time points and endpoints (bronchoalveolar lavage analysis, tumor analysis, mRNA expression, ELISA, wound assay) during tumor promotion. At the early time points (4 and 12 wk), we observed significantly reduced amounts of inflammation (macrophages, PMNs) in the Ereg-/- mice compared to controls (Ereg+/+ ). At 20 wk, tumor multiplicity was also significantly decreased in the Ereg-/- mice versus controls (Ereg+/+ ). IL10 expression, an anti-inflammatory mediator, and downstream signaling events (Stat3) were significantly increased in the Ereg-/- mice in response to BHT, supporting both reduced inflammation and tumorigenesis. Lastly, wound healing was significantly increased with recombinant Ereg in both human and mouse lung epithelial cell lines. These results indicate that Ereg has proliferative potential and may be utilized as an early cancer biomarker as well as a novel potential therapeutic target. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Alison K Bauer
- Department of Environmental and Occupational Health, Colorado School of Public Health, University of Colorado Denver, Aurora, Colorado
| | - Kalpana Velmurugan
- Department of Environmental and Occupational Health, Colorado School of Public Health, University of Colorado Denver, Aurora, Colorado
| | - Ka-Na Xiong
- Department of Environmental and Occupational Health, Colorado School of Public Health, University of Colorado Denver, Aurora, Colorado
| | - Carla-Maria Alexander
- Department of Environmental and Occupational Health, Colorado School of Public Health, University of Colorado Denver, Aurora, Colorado
| | - Julie Xiong
- Department of Environmental and Occupational Health, Colorado School of Public Health, University of Colorado Denver, Aurora, Colorado
| | - Rana Brooks
- Department of Environmental and Occupational Health, Colorado School of Public Health, University of Colorado Denver, Aurora, Colorado
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Becht E, Giraldo NA, Germain C, de Reyniès A, Laurent-Puig P, Zucman-Rossi J, Dieu-Nosjean MC, Sautès-Fridman C, Fridman WH. Immune Contexture, Immunoscore, and Malignant Cell Molecular Subgroups for Prognostic and Theranostic Classifications of Cancers. Adv Immunol 2016; 130:95-190. [DOI: 10.1016/bs.ai.2015.12.002] [Citation(s) in RCA: 126] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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The re-polarisation of M2 and M1 macrophages and its role on cancer outcomes. J Theor Biol 2015; 390:23-39. [PMID: 26551154 DOI: 10.1016/j.jtbi.2015.10.034] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2015] [Revised: 10/08/2015] [Accepted: 10/19/2015] [Indexed: 01/18/2023]
Abstract
The anti-tumour and pro-tumour roles of Th1/Th2 immune cells and M1/M2 macrophages have been documented by numerous experimental studies. However, it is still unknown how these immune cells interact with each other to control tumour dynamics. Here, we use a mathematical model for the interactions between mouse melanoma cells, Th2/Th1 cells and M2/M1 macrophages, to investigate the unknown role of the re-polarisation between M1 and M2 macrophages on tumour growth. The results show that tumour growth is associated with a type-II immune response described by large numbers of Th2 and M2 cells. Moreover, we show that (i) the ratio k of the transition rates k12 (for the re-polarisation M1→M2) and k21 (for the re-polarisation M2→M1) is important in reducing tumour population, and (ii) the particular values of these transition rates control the delay in tumour growth and the final tumour size. We also perform a sensitivity analysis to investigate the effect of various model parameters on changes in the tumour cell population, and confirm that the ratio k alone and the ratio of M2 and M1 macrophage populations at earlier times (e.g., day 7) cannot always predict the final tumour size.
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42
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Almatroodi SA, McDonald CF, Darby IA, Pouniotis DS. Characterization of M1/M2 Tumour-Associated Macrophages (TAMs) and Th1/Th2 Cytokine Profiles in Patients with NSCLC. CANCER MICROENVIRONMENT 2015; 9:1-11. [PMID: 26319408 DOI: 10.1007/s12307-015-0174-x] [Citation(s) in RCA: 98] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Accepted: 08/17/2015] [Indexed: 12/11/2022]
Abstract
Lung cancer is one of the most commonly reported cancers, and is known to be associated with a poor prognosis. The function of tumour-associated macrophages (TAMs) in lung cancer patients is multifaceted and the literature shows conflicting roles. (I) To analyze the Th1 and Th2 cytokine levels that contribute to the differentiation of M1 and M2 macrophage populations in the serum of patients with NSCLC versus non-cancer controls; and (II) To characterize the M1 and M2 macrophage populations within TAMs in different subtypes of NSCLC compared to non-tumour tissue. The Th1 and Th2 cytokine levels were analyzed in serum using the Bio-Plex assay. In addition, TAMs subsets from non-tumour and tumour tissues were analyzed using immunohistochemistry (IHC). The level of IL-1β, IL-4, IL-6 and IL-8 was found to be increased in the serum of patients with large cell carcinoma but not in other NSCLC subtypes compared to non-cancer controls. In addition, the expression of CD68 and M2 marker CD163 was found to be increased (P ≤ 0.0001) in all NSCLC subtypes compared to non-tumour tissues. In contrast, the expression of iNOS (M1 marker) was decreased in the tumour tissue of patients with adenocarcinoma (P ≤ 0.01) and squamous carcinoma (P ≤ 0.05) but not in large cell carcinoma compared to non-tumour tissue. The results of this study indicate that NSCLC might have the ability to alter phenotype within the lung tumour areas in the local environment (TAMs) but not in the bloodstream in the systemic environment (serum) except for large cell carcinoma.
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Affiliation(s)
- S A Almatroodi
- Cancer & Tissue Repair Laboratory, School of Medical Sciences, RMIT University, P.O. Box 71, Bundoora, Victoria, Australia, 3083. .,Applied Medical Sciences College, Qassim University, Buraidah, Saudi Arabia.
| | - C F McDonald
- Institute for Breathing & Sleep, Austin Health, Heidelberg, Victoria, 3084, Australia
| | - I A Darby
- Cancer & Tissue Repair Laboratory, School of Medical Sciences, RMIT University, P.O. Box 71, Bundoora, Victoria, Australia, 3083
| | - D S Pouniotis
- Cancer & Tissue Repair Laboratory, School of Medical Sciences, RMIT University, P.O. Box 71, Bundoora, Victoria, Australia, 3083
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43
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Foster JG, Wong SCK, Sharp TV. The hypoxic tumor microenvironment: driving the tumorigenesis of non-small-cell lung cancer. Future Oncol 2015; 10:2659-74. [PMID: 25531051 DOI: 10.2217/fon.14.201] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Since the application of molecular biology in cancer biology, lung cancer research has classically focused on molecular drivers of disease. One such pathway, the hypoxic response pathway, is activated by reduced local oxygen concentrations at the tumor site. Hypoxia-driven gene and protein changes enhance epithelial-to-mesenchymal transition, remodel the extracellular matrix, drive drug resistance, support cancer stem cells and aid evasion from immune cells. However, it is not the tumor cells alone which drive this response to hypoxia, but rather their interaction with a complex milieu of supporting cells. This review will focus on recent advances in our understanding of how these cells contribute to the tumor response to hypoxia in non-small-cell lung cancer.
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Affiliation(s)
- John G Foster
- Barts Cancer Institute, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, UK
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44
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Hamilton G, Rath B, Ulsperger E. How to target small cell lung cancer. Oncoscience 2015; 2:684-92. [PMID: 26425658 PMCID: PMC4580060 DOI: 10.18632/oncoscience.212] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Accepted: 08/15/2015] [Indexed: 12/27/2022] Open
Abstract
Small cell lung cancer (SCLC) is a highly malignant disease with dismal prognosis. Although great progress has been made in investigating genetic aberrations and putative drivers of this tumor entity, the mechanisms of rapid dissemination and acquisition of drug resistance are not clear. The majority of SCLC cases are characterized by inactivation of the tumor suppressors p53 and retinoblastoma (Rb) and, therefore, interchangeable drivers will be difficult to target successfully. Access to pure cultures of SCLC circulating tumor cells (CTCs) and study of their tumor biology has revealed a number of new potential targets. Most important, expression of chitinase-3-like-1/YKL-40 (CHI3L1) which controls expression of vascular epithelial growth factor (VEGF) and matrix metalloproteinase-9 (MMP9) was newly described in these cells. The process switching CHI3L1-negative SCLC cells to CHI3L1-positive CTCs seems to be associated with cytokines released by inflammatory immune cells. Furthermore, these CTCs were found to promote monocyte-macrophage differentiation, most likely of the M2 tumor-promoting type, recently described to express PD-1 immune checkpoint antigen in SCLC. In conclusion, dissemination of SCLC seems to be linked to conversion of regular tumor cells to highly invasive CHI3L1-positive CTCs, which are protected by immune system suppression. Besides the classical targets VEGF, MMP-9 and PD-1, CHI3L1 constitutes a new possibly drugable molecule to retard down dissemination of SCLC cells, which may be similarly relevant for glioblastoma and other tumor entities.
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Affiliation(s)
- Gerhard Hamilton
- Ludwig Boltzmann Cluster of Translational Oncology, A-1090 Vienna, Austria
| | - Barbara Rath
- Ludwig Boltzmann Cluster of Translational Oncology, A-1090 Vienna, Austria
| | - Ernst Ulsperger
- Ludwig Boltzmann Cluster of Translational Oncology, A-1090 Vienna, Austria
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45
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Sato T, Shimosato T, Ueda A, Ishigatsubo Y, Klinman DM. Intrapulmonary Delivery of CpG Microparticles Eliminates Lung Tumors. Mol Cancer Ther 2015. [PMID: 26206336 DOI: 10.1158/1535-7163.mct-15-0401] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
CpG oligonucleotides (ODN) stimulate the innate immune system by triggering cells that express TLR9. The resulting response promotes tumor regression, an effect optimized by delivery of CpG ODN to the tumor site. This work examines the effect of instilling CpG ODN adsorbed onto polyketal microparticles (CpG-MP) into the lungs of mice with non-small cell lung cancer. Intrapulmonary delivery of CpG-MP improved ODN uptake and retention at the tumor site, thereby inducing a stronger Th1 response than systemically administered or unadsorbed CpG ODN. CpG-MP reversed the immunosuppression that characterized the tumor microenvironment by (i) decreasing the number of immunosuppressive Tregs and M2 macrophages while (ii) increasing the number of tumoricidal CD8(+) T cells and M1 macrophages. These effects promoted tumor regression and culminated in 82% permanent survival of mice with otherwise fatal Lewis lung cancer.
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Affiliation(s)
- Takashi Sato
- Cancer and Inflammation Program, National Cancer Institute, Frederick, Maryland. Graduate School of Internal Medicine and Clinical Immunology, Yokohama City University, Yokohama, Japan
| | | | - Atsuhisa Ueda
- Graduate School of Internal Medicine and Clinical Immunology, Yokohama City University, Yokohama, Japan
| | - Yoshiaki Ishigatsubo
- Graduate School of Internal Medicine and Clinical Immunology, Yokohama City University, Yokohama, Japan
| | - Dennis M Klinman
- Cancer and Inflammation Program, National Cancer Institute, Frederick, Maryland.
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46
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Jung KY, Cho SW, Kim YA, Kim D, Oh BC, Park DJ, Park YJ. Cancers with Higher Density of Tumor-Associated Macrophages Were Associated with Poor Survival Rates. J Pathol Transl Med 2015; 49:318-24. [PMID: 26081823 PMCID: PMC4508569 DOI: 10.4132/jptm.2015.06.01] [Citation(s) in RCA: 122] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Accepted: 06/01/2015] [Indexed: 11/17/2022] Open
Abstract
Background: Macrophages are a component of a tumor’s microenvironment and have various roles in tumor progression and metastasis. This study evaluated the relationships between tumor-associated macrophage (TAM) density and clinical outcomes in 14 different types of human cancers. Methods: We investigated TAM density in human tissue microarray sections from 14 different types of human cancers (n = 266) and normal thyroid, lung, and breast tissues (n = 22). The five-year survival rates of each cancer were obtained from the 2011 Korea Central Cancer Registry. Results: Among 13 human cancers, excluding thyroid cancer, pancreas, lung, and gallbladder cancers had the highest density of CD163-positive macrophages (7.0±3.5%, 6.9±7.4%, and 6.9 ± 5.5%, respectively). The five-year relative survival rates of these cancers (pancreas, 8.7%; lung, 20.7%; gallbladder, 27.5%) were lower than those of other cancers. The histological subtypes in thyroid cancer exhibited significantly different CD163-positive macrophages densities (papillary, 1.8 ± 1.6% vs anaplastic, 22.9 ± 17.1%; p < .001), but no significant difference between histological subtypes was detected in lung and breast cancers. Moreover, there was no significant difference in CD163-positive macrophages densities among the TNM stages in lung, breast, and thyroid cancers. Conclusions: Cancers with higher TAM densities (pancreas, lung, anaplastic thyroid, and gallbladder) were associated with poor survival rate.
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Affiliation(s)
- Kyong Yeun Jung
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea ; Department of Internal Medicine, Eulji University School of Medicine, Seoul, Korea
| | - Sun Wook Cho
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea ; Department of Internal Medicine, National Medical Center, Seoul, Korea
| | - Young A Kim
- Department of Pathology, SMG-SNU Boramae Medical Center, Seoul, Korea
| | - Daein Kim
- Department of Internal Medicine, National Medical Center, Seoul, Korea
| | - Byung-Chul Oh
- Lee Gil Ya Cancer and Diabetes Institute, Gachon University Graduate School of Medicine, Incheon, Korea
| | - Do Joon Park
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Young Joo Park
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
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Lahmar Q, Keirsse J, Laoui D, Movahedi K, Van Overmeire E, Van Ginderachter JA. Tissue-resident versus monocyte-derived macrophages in the tumor microenvironment. Biochim Biophys Acta Rev Cancer 2015; 1865:23-34. [PMID: 26145884 DOI: 10.1016/j.bbcan.2015.06.009] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Revised: 06/25/2015] [Accepted: 06/26/2015] [Indexed: 12/12/2022]
Abstract
The tumor-promoting role of macrophages has been firmly established in most cancer types. However, macrophage identity has been a matter of debate, since several levels of complexity result in considerable macrophage heterogeneity. Ontogenically, tissue-resident macrophages derive from yolk sac progenitors which either directly or via a fetal liver monocyte intermediate differentiate into distinct macrophage types during embryogenesis and are maintained throughout life, while a disruption of the steady state mobilizes monocytes and instructs the formation of monocyte-derived macrophages. Histologically, the macrophage phenotype is heavily influenced by the tissue microenvironment resulting in molecularly and functionally distinct macrophages in distinct organs. Finally, a change in the tissue microenvironment as a result of infectious or sterile inflammation instructs different modes of macrophage activation. These considerations are relevant in the context of tumors, which can be considered as sites of chronic sterile inflammation encompassing subregions with distinct environmental conditions (for example, hypoxic versus normoxic). Here, we discuss existing evidence on the role of macrophage subpopulations in steady state tissue and primary tumors of the breast, lung, pancreas, brain and liver.
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Affiliation(s)
- Qods Lahmar
- Myeloid Cell Immunology Lab, VIB, Brussels, Belgium; Lab of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Jiri Keirsse
- Myeloid Cell Immunology Lab, VIB, Brussels, Belgium; Lab of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Damya Laoui
- Myeloid Cell Immunology Lab, VIB, Brussels, Belgium; Lab of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Kiavash Movahedi
- Myeloid Cell Immunology Lab, VIB, Brussels, Belgium; Lab of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Eva Van Overmeire
- Myeloid Cell Immunology Lab, VIB, Brussels, Belgium; Lab of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Jo A Van Ginderachter
- Myeloid Cell Immunology Lab, VIB, Brussels, Belgium; Lab of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium.
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48
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Le Noci V, Tortoreto M, Gulino A, Storti C, Bianchi F, Zaffaroni N, Tripodo C, Tagliabue E, Balsari A, Sfondrini L. Poly(I:C) and CpG-ODN combined aerosolization to treat lung metastases and counter the immunosuppressive microenvironment. Oncoimmunology 2015; 4:e1040214. [PMID: 26451303 DOI: 10.1080/2162402x.2015.1040214] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 03/31/2015] [Accepted: 04/08/2015] [Indexed: 12/29/2022] Open
Abstract
The immunostimulatory ability of synthetic oligonucleotides containing CpG motifs (CpG-ODN), agonists of Toll-like receptor 9 (TLR9), can be harnessed to promote antitumor immunity by their application at the tumor site to stimulate local activation of innate immunity; however, particularly in the lung, tumor-associated immunosuppression can subvert such antitumor innate immune responses. To locally maintain continuous activation of innate subpopulations while inhibiting immunosuppressive cells, we evaluated aerosol delivery CpG-ODN combined with Poly(I:C), a TLR3 agonist able to convert tumor-supporting macrophages to tumoricidal effectors, in the treatment of B16 melanoma lung metastases in C57BL/6 mice. Aerosolization of CpG-ODN with Poly(I:C) into the bronchoalveolar space reduced the presence of M2-associated arginase- and IL-10-secreting macrophages in tumor-bearing lungs and increased the antitumor activity of aerosolized CpG-ODN alone against B16 lung metastases without apparent signs of toxicity or injury of the bronchial-bronchiolar structures and alveolar walls. Moreover, CpG-ODN/Poly(I:C) aerosol combined with dacarbazine, a therapeutic agent used in patients with inoperable metastatic melanoma able to exert immunostimulatory effects, led to a significant increase in antitumor activity as compared to treatments with aerosolized CpG-ODN/Poly(I:C) or dacarbazine alone. This effect was related to an enhanced recruitment and cytotoxic activity of tumor-infiltrating NK cells in the lung. Our results point to aerosol delivery as a convenient approach for repeated applications of immunostimulants in patients with lung metastases to maintain a continuous local activation of innate immune cells while suppressing polarization of tumor-infiltrating macrophages to an M2 phenotype.
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Affiliation(s)
- Valentino Le Noci
- Dipartimento di Scienze Biomediche per la Salute; Università degli Studi di Milano ; Milan, Italy
| | - Monica Tortoreto
- Molecular Pharmacology Unit; Fondazione IRCCS Istituto Nazionale dei Tumori ; Milan, Italy
| | - Alessandro Gulino
- Dipartimento PRO.SA.MI; Unità di Immunologia dei Tumori; Universita degli Studi di Palermo ; Palermo, Italy
| | - Chiara Storti
- Molecular Targeting Unit; Fondazione IRCCS Istituto Nazionale dei Tumori ; Milan, Italy
| | - Francesca Bianchi
- Dipartimento di Scienze Biomediche per la Salute; Università degli Studi di Milano ; Milan, Italy
| | - Nadia Zaffaroni
- Molecular Pharmacology Unit; Fondazione IRCCS Istituto Nazionale dei Tumori ; Milan, Italy
| | - Claudio Tripodo
- Dipartimento PRO.SA.MI; Unità di Immunologia dei Tumori; Universita degli Studi di Palermo ; Palermo, Italy
| | - Elda Tagliabue
- Molecular Targeting Unit; Fondazione IRCCS Istituto Nazionale dei Tumori ; Milan, Italy
| | - Andrea Balsari
- Dipartimento di Scienze Biomediche per la Salute; Università degli Studi di Milano ; Milan, Italy ; Molecular Targeting Unit; Fondazione IRCCS Istituto Nazionale dei Tumori ; Milan, Italy
| | - Lucia Sfondrini
- Dipartimento di Scienze Biomediche per la Salute; Università degli Studi di Milano ; Milan, Italy
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49
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Remark R, Becker C, Gomez JE, Damotte D, Dieu-Nosjean MC, Sautès-Fridman C, Fridman WH, Powell CA, Altorki NK, Merad M, Gnjatic S. The non-small cell lung cancer immune contexture. A major determinant of tumor characteristics and patient outcome. Am J Respir Crit Care Med 2015; 191:377-90. [PMID: 25369536 DOI: 10.1164/rccm.201409-1671pp] [Citation(s) in RCA: 182] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Solid tumors, beyond mere accumulation of cancer cells, form a complex ecosystem consisting of normal epithelial cells, fibroblasts, blood and lymphatic vessels, structural components, and infiltrating hematopoietic cells including myeloid and lymphoid elements that impact tumor growth, tumor spreading, and clinical outcome. The composition of the immune microenvironment is diverse, including various populations of T cells, B cells, dendritic cells, natural killer cells, myeloid-derived suppressor cells, neutrophils, or macrophages. The immune contexture describes the density, location, and organization of these immune cells within solid tumors. In lung cancer, which is the deadliest type of cancer, and particularly in non-small cell lung cancer, its most prevalent form, reports have described some of the interactions between the tumor and the host. These data, in addition to articles on various types of tumors, provide a greater understanding of the tumor-host microenvironment interaction and stimulate the development of prognostic and predictive biomarkers, the identification of novel target antigens for therapeutic intervention, and the implementation of tools for long-term management of patients with cancer.
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50
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Sun T, Yang Y, Luo X, Cheng Y, Zhang M, Wang K, Ge C. Inhibition of tumor angiogenesis by interferon-γ by suppression of tumor-associated macrophage differentiation. Oncol Res 2014; 21:227-35. [PMID: 24854099 DOI: 10.3727/096504014x13890370410285] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Tumor-associated macrophages (TAMs) differentiate from monocytes and are the M2-polarized macrophages in most human tumors, secreting generous vascular endothelial growth factor (VEGF) to promote angiogenesis. Although it has been shown in vitro that interferon-γ (IFN-γ) can inhibit monocytes differentiating to M2 macrophages in the tumor microenvironment and switch TAMs from M2 into M1, suppressing the ability of secreting VEGF, its effects on TAMs in vivo remains unknown. Here we tried to examine the effects of IFN-γ on the recruitment of monocyte/macrophage differentiation of TAMs and tumor angiogenesis in vivo. We built a gallbladder cancer model by inoculating subcutaneously the human gallbladder cancer cell line (GBC-SD) into BALB/C nude mice and injected the recombinant mouse IFN-γ intratumorally. We found that in the IFN-γ group, the number of monocytes/macrophages was significantly higher than that in the control group (p < 0.01), and TAM differentiation rate, which we defined as the number of TAMs / the number of monocytes/macrophages × 100%, mice-VEGF concentration, and microvessels density (MVD) were significantly lower than those in the control group (p < 0.01, p < 0.05, and p < 0.01). Our results suggest that IFN-γ can induce monocytes/macrophages recruiting into the tumor microenvironment, but inhibit them, differentiating to TAMs in vivo, which may reduce the concentration of VEGF and angiogenesis in tumor.
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Affiliation(s)
- Tao Sun
- First Hospital of China Medical University, Shenyang, P.R. China
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