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Mlynska A, Povilaityte E, Zemleckaite I, Zilionyte K, Strioga M, Krasko J, Dobrovolskiene N, Peng MW, Intaite B, Pasukoniene V. Platinum sensitivity of ovarian cancer cells does not influence their ability to induce M2-type macrophage polarization. Am J Reprod Immunol 2018; 80:e12996. [PMID: 29904979 DOI: 10.1111/aji.12996] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 05/23/2018] [Indexed: 12/21/2022] Open
Abstract
PROBLEM Development of platinum resistance in ovarian cancer is mediated by both cancer cells and tumor microenvironment. Activation of epithelial-mesenchymal transition program in cancer cells may lead to enrichment for resistant clones. These processes can be affected by tumor-associated macrophages, a highly plastic population of cells that participate in tumor progression and response to treatment by shaping the microenvironment. We aimed to study how platinum resistance influences the crosstalk between macrophages and ovarian cancer cells. METHOD OF STUDY Using cisplatin-sensitive ovarian cancer cell line A2780, we developed and characterized cisplatin-resistant A2780Cis and cisplatin and doxorubicin co-resistant A2780Dox cell lines. Next, we set up an indirect coculture system with THP-1 cell line-derived M0-type-, M1-type- and M2-type-like polarized macrophages. We monitored the expression of genes associated with cellular stemness, multidrug resistance, and epithelial-mesenchymal transition in cancer cells, and expression profile of M1/M2 markers in macrophages. RESULTS Development of drug resistance in ovarian cancer cell lines was accompanied by increased migration, clonogenicity, and upregulated expression of transcription factors, associated with cellular stemness and epithelial-mesenchymal transition. Upon coculture, we noted that the most relevant changes in gene expression profile occurred in A2780 cells. Moreover, M0- and M1-type macrophages, but not M2-type macrophages, showed significant transcriptional alterations. CONCLUSION Our results provide the evidence for bidirectional interplay between cancer cells and macrophages. Independent of platinum resistance status, ovarian cancer cells polarize macrophages toward M2-like type, whereas macrophages induce epithelial-mesenchymal transition and stemness-related gene expression profile in cisplatin-sensitive, but not cisplatin-resistant cancer cells.
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Affiliation(s)
- Agata Mlynska
- Laboratory of Immunology, National Cancer Institute, Vilnius, Lithuania.,Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Egle Povilaityte
- Laboratory of Immunology, National Cancer Institute, Vilnius, Lithuania
| | - Inga Zemleckaite
- Laboratory of Immunology, National Cancer Institute, Vilnius, Lithuania
| | - Karolina Zilionyte
- Laboratory of Immunology, National Cancer Institute, Vilnius, Lithuania.,Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Marius Strioga
- Laboratory of Immunology, National Cancer Institute, Vilnius, Lithuania
| | - Jan Krasko
- Laboratory of Immunology, National Cancer Institute, Vilnius, Lithuania
| | | | - Mei-Wen Peng
- Swiss Institute for Experimental Cancer Research, Swiss Federal Institute of Technology, Lausanne, Switzerland
| | - Birute Intaite
- Department of Oncogynecology, National Cancer Institute, Vilnius, Lithuania
| | - Vita Pasukoniene
- Laboratory of Immunology, National Cancer Institute, Vilnius, Lithuania
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102
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Truong T, Jones KS. Capsaicin reduces PLGA-induced fibrosis by promoting M2 macrophages and suppressing overall inflammatory Response. J Biomed Mater Res A 2018; 106:2424-2432. [DOI: 10.1002/jbm.a.36436] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 03/29/2018] [Accepted: 04/05/2018] [Indexed: 12/12/2022]
Affiliation(s)
- T. Truong
- Department of Chemical Engineering; McMaster University; Hamilton ON Canada
| | - K. S. Jones
- Department of Chemical Engineering; McMaster University; Hamilton ON Canada
- School of Biomedical Engineering; McMaster University; Hamilton ON Canada
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103
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Loss of E-cadherin as Part of a Migratory Phenotype in Melanoma Is Associated With Ulceration. Am J Dermatopathol 2018; 39:672-678. [PMID: 28350549 DOI: 10.1097/dad.0000000000000750] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
It has been suggested that embryogenic properties of migratory cells are reactivated during wound healing and metastasis in adults. This might explain the association between wound-induced inflammation and poor survival in patients with ulcerated melanoma. Linking inflammation with a migratory phenotype, we characterize the infiltration of innate inflammatory cells, loss of cell-to-cell adhesion (E-cadherin), factors associated with extracellular matrix degradation [matrix metalloproteinase-9 (MMP-9), and neutrophil elastase (NE)], and spindle-shaped cell morphology, between ulcerated (n = 179) and nonulcerated (n = 206) melanoma. In addition, the presence of "extravascular migratory metastasis" (angiotropism) and tumor-vessel density were evaluated as important factors for tumor cell dispersal in ulcerated melanoma. We showed a correlation between expression of the granulocyte marker cd66b+ and the expression of NE and MMP-9, reflecting activated neutrophils. Ulcerated melanoma correlated with a low global E-cadherin score (P = 0.041) and weak-spot score (P = 0.0004). Thus, 28% of the nonulcerated, 42% of the minimally/moderately ulcerated melanoma, and 53% of the excessively ulcerated melanoma presented low scores as opposed to a high E-cadherin score. In addition, the presence of ulceration was correlated with angiotropism (P < 0.0001) and spindle-shaped morphology (P = 0.021). There were no differences in MMP-9 expression or intratumoral vessel density between the ulcerated and nonulcerated group. In conclusion, expression of migratory cell properties showed a highly heterogeneous pattern, which was associated with ulcerated areas and inflammatory cells, in general and with neutrophils in particular. We, therefore, suggest that wound-associated inflammation may be involved in the induction of migratory cell transition and tumor cell dispersal in ulcerated melanoma.
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104
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Davies AE, Albeck JG. Microenvironmental Signals and Biochemical Information Processing: Cooperative Determinants of Intratumoral Plasticity and Heterogeneity. Front Cell Dev Biol 2018; 6:44. [PMID: 29732370 PMCID: PMC5921997 DOI: 10.3389/fcell.2018.00044] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 04/03/2018] [Indexed: 12/25/2022] Open
Abstract
Intra-tumor cellular heterogeneity is a major challenge in cancer therapy. Tumors are composed of multiple phenotypic subpopulations that vary in their ability to initiate metastatic tumors and in their sensitivity to chemotherapy. In many cases, cells can transition between these subpopulations, not by genetic mutation, but instead through reversible changes in signal transduction or gene expression programs. This plasticity begins at the level of the microenvironment where local autocrine and paracrine signals, exosomes, tumor–stroma interactions, and extracellular matrix (ECM) composition create a signaling landscape that varies over space and time. The integration of this complex array of signals engages signaling pathways that control gene expression. The resulting modulation of gene expression programs causes individual cells to sample a wide array of phenotypic states that support tumor growth, dissemination, and therapeutic resistance. In this review, we discuss how information flows dynamically within the microenvironmental landscape to inform cell state decisions and to create intra-tumoral heterogeneity. We address the role of plasticity in the acquisition of transient and prolonged drug resistant states and discuss how targeted pharmacological modification of the signaling landscape may be able to constrain phenotypic plasticity, leading to improved treatment responses.
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Affiliation(s)
- Alexander E Davies
- Division of Biological Systems and Engineering, Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA, United States
| | - John G Albeck
- Department of Molecular and Cellular Biology, University of California, Davis, Davis, CA, United States
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105
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Wang A, Lu C, Ning Z, Gao W, Xie Y, Zhang N, Liang J, Abbasi FS, Yan Q, Liu J. Tumor-associated macrophages promote Ezrin phosphorylation-mediated epithelial-mesenchymal transition in lung adenocarcinoma through FUT4/LeY up-regulation. Oncotarget 2018; 8:28247-28259. [PMID: 28423676 PMCID: PMC5438647 DOI: 10.18632/oncotarget.16001] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Accepted: 02/27/2017] [Indexed: 12/28/2022] Open
Abstract
Tumor-associated macrophages (TAMs) are key components of tumor microenvironment (TME) during tumorigenesis and progression. However, the role of TAMs in lung adenocarcinoma is still unclear. In this study, we aimed to clarify the mechanism underlying the crosstalk between TAMs and epithelial-mesenchymal transition (EMT) of lung adenocarcinoma. Fucosyltransferase IV (FUT4) and its synthetic cancer sugar antigen Lewis Y (LeY) was aberrantly elevated in various solid tumors, it plays critical role in the invasion and metastasis. Here, we found that in lung adenocarcinoma samples, the density of TAMs correlates with E-cadherin level and LeY level. In vitro assays, M2 macrophages promoted FUT4/LeY expression through the transforming growth factor-β1(TGF-β1)/Smad2/3 signaling pathway. FUT4/LeY was indispensable in M2 macrophages-mediated cytoskeletal remodeling and EMT. Furthermore, fucosylation of Ezrin mediated by FUT4/LeY can promote the phosphorylation of Ezrin, which was the critical mechanism of M2 macrophages-induced EMT. In vivo assays confirmed that M2 macrophages promoted EMT through the up-regulation of LeY and phosphorylated Ezrin. Together, our results revealed that TAMs promote Ezrin phosphorylation-mediated EMT in lung adenocarcinoma through FUT4/LeY- mediated fucosylation. Targeting this newly identified signaling may offer new possibilities for immunotherapy in lung adenocarcinoma.
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Affiliation(s)
- Aman Wang
- Department of Oncology, The First Affiliated Hospital of Dalian Medical University, 116011, Dalian, China
| | - Chang Lu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Dalian Medical University, 116011, Dalian, China
| | - Zhen Ning
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Dalian Medical University, 116011, Dalian, China
| | - Wei Gao
- City College, Zhejiang University, 310000, Hangzhou, China
| | - Yunpeng Xie
- Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, 116011, Dalian, China
| | - Ningning Zhang
- Department of Oncology, The First Affiliated Hospital of Dalian Medical University, 116011, Dalian, China
| | - Jinxiao Liang
- Department of Thoracic Surgery, Zhejiang Cancer Hospital, 310000, Hangzhou, China
| | - Faisal S Abbasi
- Department of Oncology, The First Affiliated Hospital of Dalian Medical University, 116011, Dalian, China
| | - Qiu Yan
- Department of Biochemistry and Molecular Biology, Dalian Medical University, 116011, Dalian, China
| | - Jiwei Liu
- Department of Oncology, The First Affiliated Hospital of Dalian Medical University, 116011, Dalian, China
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106
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Takahashi H, Sakakura K, Kudo T, Toyoda M, Kaira K, Oyama T, Chikamatsu K. Cancer-associated fibroblasts promote an immunosuppressive microenvironment through the induction and accumulation of protumoral macrophages. Oncotarget 2018; 8:8633-8647. [PMID: 28052009 PMCID: PMC5352428 DOI: 10.18632/oncotarget.14374] [Citation(s) in RCA: 190] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 12/07/2016] [Indexed: 01/11/2023] Open
Abstract
Stromal cells in the tumor microenvironment (TME) closely interact with tumor cells and affect tumor cell behavior in diverse manners. We herein investigated the mechanisms by which cancer-associated fibroblasts (CAFs) affect the functional polarization of tumor-associated macrophages (TAMs) in oral squamous cell carcinoma (OSCC) in vitro and in human cancer samples. The expression of CD68, CD14, CD163, CD200R, CD206, HLA-G, CD80, and CD86 was higher in CD14-positive cells co-cultured with the culture supernatants of CAFs established from OSCC specimens (CAF-educated cells) than in control cells. The gene expression level of ARG1, IL10, and TGFB1 was increased in CAF-educated cells. CAF-educated cells suppressed T cell proliferation more strongly than control cells, and the neutralization of TGF-β IL-10, or arginase I significantly restored T cell proliferation. We then investigated the relationship between the infiltration of CAFs and TAMs using tissue samples obtained from patients with OSCC. The infiltration of CAFs was associated with the numbers of CD68-positive and CD163-positive macrophages. It also correlated with lymphatic invasion, vascular invasion, lymph node involvement, and the TNM stage. The infiltration of CAFs was identified as an independent prognostic factor in OSCC. Our results indicate that CAFs play important roles in shaping the tumor immunosuppressive microenvironment in OSCC by inducing the protumoral phenotype of TAMs. Therapeutic strategies to reverse CAF-mediated immunosuppression need to be considered.
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Affiliation(s)
- Hideyuki Takahashi
- Department of Otolaryngology-Head and Neck Surgery, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Koichi Sakakura
- Department of Otolaryngology-Head and Neck Surgery, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Takeshi Kudo
- Department of Otolaryngology-Head and Neck Surgery, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Minoru Toyoda
- Department of Otolaryngology-Head and Neck Surgery, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Kyoichi Kaira
- Department of Oncology Clinical Development, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Tetsunari Oyama
- Department of Pathology, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Kazuaki Chikamatsu
- Department of Otolaryngology-Head and Neck Surgery, Gunma University Graduate School of Medicine, Gunma, Japan
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107
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Ciucci A, Zannoni GF, Buttarelli M, Martinelli E, Mascilini F, Petrillo M, Ferrandina G, Scambia G, Gallo D. Ovarian low and high grade serous carcinomas: hidden divergent features in the tumor microenvironment. Oncotarget 2018; 7:68033-68043. [PMID: 27462782 PMCID: PMC5356537 DOI: 10.18632/oncotarget.10797] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Accepted: 07/13/2016] [Indexed: 01/22/2023] Open
Abstract
Only recently low-grade serous carcinoma (LGSOC) of the ovary has been recognized as a disease entity distinct from the more common high-grade serous carcinoma (HGSOC), with significant differences in pathogenesis and clinical and pathologic features. The present study aimed at evaluating whether the different natural histories and patterns of response to therapy demonstrated for LGSOC and HGSOC, along with a diverse genomic landscape, may also reside in the supporting tumor stroma, specifically in the state of differentiation and activation of tumor associated macrophages (TAMs). TAMs play complex roles in tumorigenesis since they are believed to possess both tumor rejecting (M1 macrophages) and tumor promoting (M2 macrophages) activities. Here we showed that, when compared to HGSOC (n = 55), LGSOC patients (n = 25) exhibited lower density of tumor-infiltrating CD68+ macrophage, along with an attenuated M2-skewed (CD163+) phenotype. Accordingly, assessment of intratumoral vascularization and of matrix metalloproteinase 9 expression (a key protein involved in tumor invasion and metastasis) revealed lower expression in LGSOC compared to HGSOC patients, in line with emerging evidence supporting a role for TAMs in all aspects of tumor initiation, growth, and development. In conclusion, results from the present study demonstrate that microenvironmental factors contribute greatly to determine clinical and pathological features that differentiate low and high grade serous ovarian carcinomas. This understanding may increase possibilities and opportunities to improve disease control and design new therapeutic strategies.
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Affiliation(s)
- Alessandra Ciucci
- Unit of Translational Medicine for Women and Children Health, Department of Obstetrics and Gynecology, Catholic University of the Sacred Heart, Rome, Italy
| | - Gian Franco Zannoni
- Department of Pathology, Catholic University of the Sacred Heart, Rome, Italy
| | - Marianna Buttarelli
- Unit of Translational Medicine for Women and Children Health, Department of Obstetrics and Gynecology, Catholic University of the Sacred Heart, Rome, Italy
| | - Enrica Martinelli
- Unit of Translational Medicine for Women and Children Health, Department of Obstetrics and Gynecology, Catholic University of the Sacred Heart, Rome, Italy
| | - Floriana Mascilini
- Department of Obstetrics and Gynecology, Catholic University of the Sacred Heart, Rome, Italy
| | - Marco Petrillo
- Department of Obstetrics and Gynecology, Catholic University of the Sacred Heart, Rome, Italy
| | - Gabriella Ferrandina
- Department of Obstetrics and Gynecology, Catholic University of the Sacred Heart, Rome, Italy.,Department of Medicine and Health Sciences, University of Molise, Campobasso, Italy
| | - Giovanni Scambia
- Department of Obstetrics and Gynecology, Catholic University of the Sacred Heart, Rome, Italy
| | - Daniela Gallo
- Unit of Translational Medicine for Women and Children Health, Department of Obstetrics and Gynecology, Catholic University of the Sacred Heart, Rome, Italy
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108
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Marcuello M, Mayol X, Felipe-Fumero E, Costa J, López-Hierro L, Salvans S, Alonso S, Pascual M, Grande L, Pera M. Modulation of the colon cancer cell phenotype by pro-inflammatory macrophages: A preclinical model of surgery-associated inflammation and tumor recurrence. PLoS One 2018; 13:e0192958. [PMID: 29462209 PMCID: PMC5819803 DOI: 10.1371/journal.pone.0192958] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Accepted: 02/01/2018] [Indexed: 02/06/2023] Open
Abstract
Peritoneal infection after colorectal cancer surgery is associated with a higher rate of tumor relapse. We have recently proposed that soluble inflammatory factors released in response to a postoperative infection enhance tumor progression features in residual tumor cells. In an effort to set up models to study the mechanisms of residual tumor cell activation during surgery-associated inflammation, we have analyzed the phenotypic response of colon cancer cell lines to the paracrine effects of THP-1 and U937 differentiated human macrophages, which release an inflammatory medium characteristic of an innate immune response. The exposure of the colon cancer cell lines HT-29 and SW620 to conditioned media isolated from differentiated THP-1 and U937 macrophages induced a mesenchymal-like phenotypic shift, involving the activation of in vitro invasiveness. The inflammatory media activated the β-catenin/TCF4 transcriptional pathway and induced the expression of several mesenchymal (e.g., FN1 and VIM) and TCF4 target genes (e.g., MMP7, PTGS2, MET, and CCD1). Similarly, differential expression of some transcription factors involved in epithelial-to-mesenchymal transitions (i.e. ZEB1, SNAI1, and SNAI2) was variably observed in the colon cancer cell lines when exposed to the inflammatory media. THP-1 and U937 macrophages, which displayed characteristics of M1 differentiation, overexpressed some cytokines previously shown to be induced in colorectal cancer patients with increased rates of tumor recurrence associated with postoperative peritoneal infections, thus suggesting their pro-tumoral character. Therefore, the environment created by inflammatory M1 macrophages enhances features of epithelial-to-mesenchymal transition, and may be useful as a model to characterize pro-inflammatory cytokines as putative biomarkers of tumor recurrence risk.
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Affiliation(s)
- María Marcuello
- Colorectal Cancer Research Group, Cancer Research Program, IMIM (Hospital del Mar Medical Research Institute), Carrer Dr. Aiguader, Barcelona, Spain
| | - Xavier Mayol
- Colorectal Cancer Research Group, Cancer Research Program, IMIM (Hospital del Mar Medical Research Institute), Carrer Dr. Aiguader, Barcelona, Spain
| | - Eloísa Felipe-Fumero
- Colorectal Cancer Research Group, Cancer Research Program, IMIM (Hospital del Mar Medical Research Institute), Carrer Dr. Aiguader, Barcelona, Spain
| | - Jaume Costa
- Colorectal Cancer Research Group, Cancer Research Program, IMIM (Hospital del Mar Medical Research Institute), Carrer Dr. Aiguader, Barcelona, Spain
| | - Laia López-Hierro
- Colorectal Cancer Research Group, Cancer Research Program, IMIM (Hospital del Mar Medical Research Institute), Carrer Dr. Aiguader, Barcelona, Spain
| | - Silvia Salvans
- Colorectal Cancer Research Group, Cancer Research Program, IMIM (Hospital del Mar Medical Research Institute), Carrer Dr. Aiguader, Barcelona, Spain
- Section of Colon and Rectal Surgery, Department of Surgery, Hospital del Mar, Barcelona, Spain
| | - Sandra Alonso
- Colorectal Cancer Research Group, Cancer Research Program, IMIM (Hospital del Mar Medical Research Institute), Carrer Dr. Aiguader, Barcelona, Spain
- Section of Colon and Rectal Surgery, Department of Surgery, Hospital del Mar, Barcelona, Spain
| | - Marta Pascual
- Colorectal Cancer Research Group, Cancer Research Program, IMIM (Hospital del Mar Medical Research Institute), Carrer Dr. Aiguader, Barcelona, Spain
- Section of Colon and Rectal Surgery, Department of Surgery, Hospital del Mar, Barcelona, Spain
| | - Luís Grande
- Colorectal Cancer Research Group, Cancer Research Program, IMIM (Hospital del Mar Medical Research Institute), Carrer Dr. Aiguader, Barcelona, Spain
- Section of Colon and Rectal Surgery, Department of Surgery, Hospital del Mar, Barcelona, Spain
| | - Miguel Pera
- Colorectal Cancer Research Group, Cancer Research Program, IMIM (Hospital del Mar Medical Research Institute), Carrer Dr. Aiguader, Barcelona, Spain
- Section of Colon and Rectal Surgery, Department of Surgery, Hospital del Mar, Barcelona, Spain
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109
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Cui R, Yue W, Lattime EC, Stein MN, Xu Q, Tan XL. Targeting tumor-associated macrophages to combat pancreatic cancer. Oncotarget 2018; 7:50735-50754. [PMID: 27191744 PMCID: PMC5226617 DOI: 10.18632/oncotarget.9383] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Accepted: 05/05/2016] [Indexed: 12/18/2022] Open
Abstract
The tumor microenvironment is replete with cells that evolve with and provide support to tumor cells during the transition to malignancy. The hijacking of the immune system in the pancreatic tumor microenvironment is suggested to contribute to the failure to date to produce significant improvements in pancreatic cancer survival by various chemotherapeutics. Regulatory T cells, myeloid derived suppressor cells, and fibroblasts, all of which constitute a complex ecology microenvironment, can suppress CD8+ T cells and NK cells, thus inhibiting effector immune responses. Tumor-associated macrophages (TAM) are versatile immune cells that can express different functional programs in response to stimuli in tumor microenvironment at different stages of pancreatic cancer development. TAM have been implicated in suppression of anti-tumorigenic immune responses, promotion of cancer cell proliferation, stimulation of tumor angiogenesis and extracellular matrix breakdown, and subsequent enhancement of tumor invasion and metastasis. Many emerging agents that have demonstrated efficacy in combating other types of tumors via modulation of macrophages in tumor microenvironments are, however, only marginally studied for pancreatic cancer prevention and treatment. A better understanding of the paradoxical roles of TAM in pancreatic cancer may pave the way to novel preventive and therapeutic approaches. Here we give an overview of the recruitment and differentiation of macrophages, TAM and pancreatic cancer progression and prognosis, as well as the potential preventive and therapeutic targets that interact with TAM for pancreatic cancer prevention and treatment.
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Affiliation(s)
- Ran Cui
- Department of Oncology, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, P. R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, P. R. China
| | - Wen Yue
- Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - Edmund C Lattime
- Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - Mark N Stein
- Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - Qing Xu
- Department of Oncology, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, P. R. China
| | - Xiang-Lin Tan
- Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA.,Department of Epidemiology, School of Public Health, Rutgers, The State University of New Jersey, Piscataway, NJ, USA
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110
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Ponert JM, Schwarz S, Haschemi R, Müller J, Pötzsch B, Bendas G, Schlesinger M. The mechanisms how heparin affects the tumor cell induced VEGF and chemokine release from platelets to attenuate the early metastatic niche formation. PLoS One 2018; 13:e0191303. [PMID: 29346400 PMCID: PMC5773218 DOI: 10.1371/journal.pone.0191303] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 01/01/2018] [Indexed: 11/18/2022] Open
Abstract
Metastasis is responsible for the majority of cancer associated fatalities. Tumor cells leaving the primary tumor and entering the blood flow immediately interact with platelets. Activated platelets contribute in different ways to cancer cell survival and proliferation, e.g. in formation of the early metastatic niche by release of different growth factors and chemokines. Here we show that a direct interaction between platelets and MV3 melanoma or MCF7 breast cancer cells induces platelet activation and a VEGF release in citrated plasma that cannot be further elevated by the coagulation cascade and generated thrombin. In contrast, the release of platelet-derived chemokines CXCL5 and CXCL7 depends on both, a thrombin-mediated platelet activation and a direct interaction between tumor cells and platelets. Preincubation of platelets with therapeutic concentrations of unfractionated heparin reduces the tumor cell initiated VEGF release from platelets. In contrast, tumor cell induced CXCL5 and CXCL7 release from platelets was not impacted by heparin pretreatment in citrated plasma. In defibrinated, recalcified plasma, on the contrary, heparin is able to reduce CXCL5 and CXCL7 release from platelets by thrombin inhibition. Our data indicate that different chemokines and growth factors in diverse platelet granules are released in tightly regulated processes by various trigger mechanisms. We show for the first time that heparin is able to reduce the mediator release induced by different tumor cells both in a contact and coagulation dependent manner.
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Affiliation(s)
- Jan Moritz Ponert
- Department of Pharmacy, Rheinische Friedrich-Wilhelms-University Bonn, Bonn, Germany
| | - Svenja Schwarz
- Department of Pharmacy, Rheinische Friedrich-Wilhelms-University Bonn, Bonn, Germany
| | - Reza Haschemi
- Department of Pharmacy, Rheinische Friedrich-Wilhelms-University Bonn, Bonn, Germany
| | - Jens Müller
- Institute for Experimental Hematology and Transfusion Medicine, University of Bonn Medical Centre, Bonn, Germany
| | - Bernd Pötzsch
- Institute for Experimental Hematology and Transfusion Medicine, University of Bonn Medical Centre, Bonn, Germany
| | - Gerd Bendas
- Department of Pharmacy, Rheinische Friedrich-Wilhelms-University Bonn, Bonn, Germany
| | - Martin Schlesinger
- Department of Pharmacy, Rheinische Friedrich-Wilhelms-University Bonn, Bonn, Germany
- * E-mail:
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111
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Linde N, Casanova-Acebes M, Sosa MS, Mortha A, Rahman A, Farias E, Harper K, Tardio E, Reyes Torres I, Jones J, Condeelis J, Merad M, Aguirre-Ghiso JA. Macrophages orchestrate breast cancer early dissemination and metastasis. Nat Commun 2018; 9:21. [PMID: 29295986 PMCID: PMC5750231 DOI: 10.1038/s41467-017-02481-5] [Citation(s) in RCA: 293] [Impact Index Per Article: 48.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Accepted: 12/04/2017] [Indexed: 02/07/2023] Open
Abstract
Cancer cell dissemination during very early stages of breast cancer proceeds through poorly understood mechanisms. Here we show, in a mouse model of HER2+ breast cancer, that a previously described sub-population of early-evolved cancer cells requires macrophages for early dissemination. Depletion of macrophages specifically during pre-malignant stages reduces early dissemination and also results in reduced metastatic burden at end stages of cancer progression. Mechanistically, we show that, in pre-malignant lesions, CCL2 produced by cancer cells and myeloid cells attracts CD206+/Tie2+ macrophages and induces Wnt-1 upregulation that in turn downregulates E-cadherin junctions in the HER2+ early cancer cells. We also observe macrophage-containing tumor microenvironments of metastasis structures in the pre-malignant lesions that can operate as portals for intravasation. These data support a causal role for macrophages in early dissemination that affects long-term metastasis development much later in cancer progression. A pilot analysis on human specimens revealed intra-epithelial macrophages and loss of E-cadherin junctions in ductal carcinoma in situ, supporting a potential clinical relevance.
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Affiliation(s)
- Nina Linde
- Division of Hematology and Oncology, Department of Medicine, Tisch Cancer Institute, Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.,Department of Otolaryngology, Tisch Cancer Institute, Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.,Merck KGaA, Frankfurter Str. 250, Postcode: A025/301, Darmstadt, 64293, Germany
| | - Maria Casanova-Acebes
- Department of Oncological Sciences, The Immunology Institute, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Maria Soledad Sosa
- Division of Hematology and Oncology, Department of Medicine, Tisch Cancer Institute, Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.,Department of Otolaryngology, Tisch Cancer Institute, Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.,Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Arthur Mortha
- Department of Oncological Sciences, The Immunology Institute, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.,Department of Immunology, University of Toronto, Toronto, ON, M5S 1A8, USA
| | - Adeeb Rahman
- Human Immune Monitoring Core, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Eduardo Farias
- Division of Hematology and Oncology, Department of Medicine, Tisch Cancer Institute, Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.,Department of Otolaryngology, Tisch Cancer Institute, Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Kathryn Harper
- Division of Hematology and Oncology, Department of Medicine, Tisch Cancer Institute, Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.,Department of Otolaryngology, Tisch Cancer Institute, Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Ethan Tardio
- Division of Hematology and Oncology, Department of Medicine, Tisch Cancer Institute, Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.,Department of Otolaryngology, Tisch Cancer Institute, Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Ivan Reyes Torres
- Department of Oncological Sciences, The Immunology Institute, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Joan Jones
- Department of Anatomy and Structural Biology, Integrated Imaging Program, Gruss Lipper Biophotonics Center, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY, 10461, USA
| | - John Condeelis
- Department of Anatomy and Structural Biology, Integrated Imaging Program, Gruss Lipper Biophotonics Center, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY, 10461, USA
| | - Miriam Merad
- Department of Oncological Sciences, The Immunology Institute, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.,Human Immune Monitoring Core, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Julio A Aguirre-Ghiso
- Division of Hematology and Oncology, Department of Medicine, Tisch Cancer Institute, Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA. .,Department of Otolaryngology, Tisch Cancer Institute, Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
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Tumor-associated macrophage infiltration is highly associated with PD-L1 expression in gastric adenocarcinoma. Gastric Cancer 2018; 21:31-40. [PMID: 28801853 DOI: 10.1007/s10120-017-0760-3] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 08/04/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND Programmed death ligand 1 (PD-L1) is a key protein upregulated by tumor cells to suppress immune responses. Tumor-associated macrophages (TAMs) play a major role in this immunosuppression, but the relationship between PD-L1 expression and TAMs remains unclear in gastric adenocarcinoma (GAC). We simultaneously examined expression of PD-L1 and TAMs in GAC. METHODS We performed immunohistochemical staining for PD-L1, CD68 (pan-macrophage), and CD163 (M2-like macrophage) in 217 GAC samples using a tissue microarray. Expression of PD-L1 and CD68- and CD163-positive cells was evaluated using the Cytoplasmic V2.0 algorithm in Aperio ImageScope software, and logistic regression analysis was used to compare expression patterns between groups. RESULTS Thirty-one samples (14%) were positive for PD-L1 expression. The mean (± standard error) rates of infiltration were 6.83 ± 0.38% for CD68-positive cells and 6.16 ± 0.29% for CD163-positive cells. The mean rate of CD163-positive cell infiltration was significantly higher in diffuse GAC than in intestinal GAC (diffuse n = 111, 6.91%; intestinal n = 91, 5.26%; p = 0.006), but the mean rate of CD68-positive cell infiltration was similar between these types (p = 0.38). The mean infiltration rates of CD68- and CD163-positive cells in PD-L1-positive GAC were significantly higher than in PD-L1-negative GAC (CD68 p = 0.0002; CD163 p < 0.0001). In multivariate logistic regression analyses, CD163-positive cell infiltration was associated with PD-L1 expression (odds ratio 1.13; 95% confidence interval 1.02-1.25; p = 0.021). CONCLUSION M2-like macrophage infiltration is highly associated with PD-L1 expression in GAC cells, suggesting that macrophage infiltration can serve as a potential therapeutic target.
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113
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Mesenchymal traits at the convergence of tumor-intrinsic and -extrinsic mechanisms of resistance to immune checkpoint blockers. Emerg Top Life Sci 2017; 1:471-486. [PMID: 33525801 PMCID: PMC7289012 DOI: 10.1042/etls20170068] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 11/08/2017] [Accepted: 11/09/2017] [Indexed: 01/01/2023]
Abstract
Targeting of immune checkpoint blockers (ICBs), such as cytotoxic T-lymphocyte antigen-4 and programmed-death 1/programmed-death ligand 1, has dramatically changed the landscape of cancer treatment. Seeing patients who were refractory to conventional therapy recover after immunotherapy, with high rates of objective durable responses and increased overall survival, has raised great enthusiasm in cancer care and research. However, to date, only a restricted portion of patients benefit from these therapies, due to natural and acquired resistance relying on the ever-evolving cross-talk between tumor and stromal cells. Here, we review the convergence of tumor-intrinsic and -extrinsic cues, both affecting tumor plasticity and tumor stroma leading to an immunosuppressive tumor microenvironment, which may account for the heterogeneous responses and resistance to ICB therapies. A deeper knowledge of the mechanisms and fingerprints involved in natural and acquired resistance is likely to bring clinical benefit to the majority of patients, offering important clues for overcoming drug resistance and boosting the effectiveness of treatment. We discuss the need to define tumor subtypes based on the tumor, immune and stromal gene signature and propose that the better we understand tumor mesenchymal traits, the more we will be able to identify predictive biomarkers of response to ICB treatments.
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114
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Prieto-Vila M, Takahashi RU, Usuba W, Kohama I, Ochiya T. Drug Resistance Driven by Cancer Stem Cells and Their Niche. Int J Mol Sci 2017; 18:ijms18122574. [PMID: 29194401 PMCID: PMC5751177 DOI: 10.3390/ijms18122574] [Citation(s) in RCA: 336] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 11/22/2017] [Accepted: 11/24/2017] [Indexed: 12/11/2022] Open
Abstract
Drug resistance represents one of the greatest challenges in cancer treatment. Cancer stem cells (CSCs), a subset of cells within the tumor with the potential for self-renewal, differentiation and tumorigenicity, are thought to be the major cause of cancer therapy failure due to their considerable chemo- and radioresistance, resulting in tumor recurrence and eventually metastasis. CSCs are situated in a specialized microenvironment termed the niche, mainly composed of fibroblasts and endothelial, mesenchymal and immune cells, which also play pivotal roles in drug resistance. These neighboring cells promote the molecular signaling pathways required for CSC maintenance and survival and also trigger endogenous drug resistance in CSCs. In addition, tumor niche components such as the extracellular matrix also physically shelter CSCs from therapeutic agents. Interestingly, CSCs contribute directly to the niche in a bilateral feedback loop manner. Here, we review the recent advances in the study of CSCs, the niche and especially their collective contribution to resistance, since increasingly studies suggest that this interaction should be considered as a target for therapeutic strategies.
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Affiliation(s)
- Marta Prieto-Vila
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo 104-0045, Japan.
| | - Ryou-U Takahashi
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo 104-0045, Japan.
| | - Wataru Usuba
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo 104-0045, Japan.
| | - Isaku Kohama
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo 104-0045, Japan.
| | - Takahiro Ochiya
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo 104-0045, Japan.
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115
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Ray A, Cleary MP. The potential role of leptin in tumor invasion and metastasis. Cytokine Growth Factor Rev 2017; 38:80-97. [PMID: 29158066 DOI: 10.1016/j.cytogfr.2017.11.002] [Citation(s) in RCA: 93] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 11/07/2017] [Indexed: 02/07/2023]
Abstract
The adipocyte-released hormone-like cytokine/adipokine leptin behaves differently in obesity compared to its functions in the normal healthy state. In obese individuals, elevated leptin levels act as a pro-inflammatory adipokine and are associated with certain types of cancers. Further, a growing body of evidence suggests that higher circulating leptin concentrations and/or elevated expression of leptin receptors (Ob-R) in tumors may be poor prognostic factors. Although the underlying pathological mechanisms of leptin's association with poor prognosis are not clear, leptin can impact the tumor microenvironment in several ways. For example, leptin is associated with a number of biological components that could lead to tumor cell invasion and distant metastasis. This includes interactions with carcinoma-associated fibroblasts, tumor promoting effects of infiltrating macrophages, activation of matrix metalloproteinases, transforming growth factor-β signaling, etc. Recent studies also have shown that leptin plays a role in the epithelial-mesenchymal transition, an important phenomenon for cancer cell migration and/or metastasis. Furthermore, leptin's potentiating effects on insulin-like growth factor-I, epidermal growth factor receptor and HER2/neu have been reported. Regarding unfavorable prognosis, leptin has been shown to influence both adenocarcinomas and squamous cell carcinomas. Features of poor prognosis such as tumor invasion, lymph node involvement and distant metastasis have been recorded in several cancer types with higher levels of leptin and/or Ob-R. This review will describe the current scenario in a precise manner. In general, obesity indicates poor prognosis in cancer patients.
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Affiliation(s)
- Amitabha Ray
- Lake Erie College of Osteopathic Medicine, Seton Hill University, Greensburg, PA 15601, United States
| | - Margot P Cleary
- The Hormel Institute, University of Minnesota, Austin, MN 55912, United States.
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Role of LFA-1 and ICAM-1 in Cancer. Cancers (Basel) 2017; 9:cancers9110153. [PMID: 29099772 PMCID: PMC5704171 DOI: 10.3390/cancers9110153] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 10/23/2017] [Accepted: 10/23/2017] [Indexed: 12/30/2022] Open
Abstract
The lymphocyte function-associated antigen-1 (LFA-1) (also known as CD11a/CD18 and αLβ2), is just one of many integrins in the human body, but its significance is derived from its exclusive presence in leukocytes. In this review, we summarize the studies relating LFA-1 and its major ligand ICAM-1 (or CD54) with cancer, through the function of lymphocytes and myeloid cells on tumor cells. We consider how LFA-1 mediates the interaction of leukocytes with tumors and the role of ICAM-1 in tumor dynamics, which can be independent of its interaction with LFA-1. We also offer a more detailed examination of the role of LFA-1 within B-cell chronic lymphocytic leukemia. Finally, we discuss the role that exosomes harboring LFA-1 play in tumor growth and metastasis.
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117
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Huang TW, Lin KF, Lee CH, Chang H, Lee SC, Shieh YS. The role of Thyroid Transcription Factor-1 and Tumor differentiation in Resected Lung Adenocarcinoma. Sci Rep 2017; 7:14222. [PMID: 29079814 PMCID: PMC5660159 DOI: 10.1038/s41598-017-14651-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Accepted: 10/13/2017] [Indexed: 12/13/2022] Open
Abstract
To investigate the role of thyroid transcription factor-1 (TTF-1) and tumor differentiation in resected lung adenocarcinoma. A total of 520 patients with clinical early stage lung adenocarcinoma who underwent surgical resection were reviewed retrospectively. Clinical data and outcomes were evaluated with an average follow-up of 117 months. The results were validated via lung cancer cell line studies. The clinical parameters did not differ between relapse and nonrelapse patients. Exceptions were tumor differentiation, lymphovascular space invasion, F18-fluorodeoxyglucose maximum standard uptake value, tumor size, and pathological stage (p < 0.001). Poor tumor differentiation was the independent prognostic factor (odds ratio: 2.937, p = 0.026). The expression of TTF-1 was correlated with tumor differentiation in resected lung adenocarcinoma patients (p < 0.001). Five-year survival was 60.0% for score 1 TTF-1 expression patients, 80.1% for score 2 TTF-1 expression patients, and 86.1% for score 3 TTF-1 expression group patients. The lung cancer cell line study of knockdown and overexpression of TTF-1 revealed TTF-1 mediated High Mobility Group AT-Hook 2 (HMGA2) protein involved with epithelium-mesenchymal transformation. The chromatin immunoprecipitation revealed TTF-1 regulated HMGA2 via direct binding. TTF-1/HMGA2 axis was associated with tumor differentiation and mediated the aggressiveness of the tumor and prognosis.
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Affiliation(s)
- Tsai-Wang Huang
- Graduate Institute of Medical Science, National Defense Medical Center, Taipei, Republic of China.,Division of Thoracic Surgery, Division of Thoracic Surgery, Taipei, Republic of China
| | - Ke- Feng Lin
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei, Republic of China
| | - Chien-Hsing Lee
- Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Republic of China
| | - Hung Chang
- Division of Thoracic Surgery, Division of Thoracic Surgery, Taipei, Republic of China
| | - Shih-Chun Lee
- Division of Thoracic Surgery, Division of Thoracic Surgery, Taipei, Republic of China
| | - Yi-Shing Shieh
- Graduate Institute of Medical Science, National Defense Medical Center, Taipei, Republic of China. .,Department of Dentistry, Tri-Service General Hospital, National Defense Medical Center, Taipei, Republic of China.
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118
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Li Y, Huang G, Zhang S. Associations between intratumoral and peritumoral M2 macrophage counts and cervical squamous cell carcinoma invasion patterns. Int J Gynaecol Obstet 2017; 139:346-351. [PMID: 28884821 DOI: 10.1002/ijgo.12320] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2017] [Revised: 07/10/2017] [Accepted: 09/06/2017] [Indexed: 11/08/2022]
Abstract
OBJECTIVE To study the correlation between M2 tumor-associated macrophages (TAMs) and invasion patterns in cervical squamous cell carcinoma (SCC) tissues. METHODS In the present observational study, two commercial SCC tissue microarrays were evaluated by immunohistochemical analysis between January 1, 2016, and December 31, 2016. CD163-positive cells in a cervical SCC tissue microarray were identified. Tissue samples were stratified into groups based on a pushing border pattern (PBP), a diffuse infiltration pattern (DIP), or non-tumorous tissues included as a control group; M2 TAM numbers and distributions were compared. RESULTS The microarrays included 109 cervical SCC samples and 45 non-tumorous control samples. The mean number of intratumoral M2 TAMs in cervical SCC tissue samples (35.8 ± 28.3) was significantly higher than the number of intraepithelial M2 TAMs in non-tumorous cervical samples (1.2 ± 3.6) (P<0.001); similarly, the number of peritumoral M2 TAMs in cervical SCC (44.7 ± 29.4) was higher than in non-tumorous cervical tissues (10.4 ± 9.2) (P<0.001). The numbers of intratumoral (P=0.046) and peritumoral (P=0.002) M2 TAMs were higher among the DIP group compared with the PBP group. CONCLUSION A close relationship was identified between M2 TAMs and invasion patterns in cervical SCC. Further, M2 TAM infiltration was more pronounced in DIP compared with PBP SCC tissue samples.
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Affiliation(s)
- Yuan Li
- Department of Obstetrics and Gynecology, Linfen People's Hospital, Linfen, Shanxi, China.,Department of Obstetrics and Gynecology, Ningxia Medical University, Yinchuan, Ningxia, China
| | - Gaosheng Huang
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Shaohua Zhang
- Department of Obstetrics and Gynecology, Ningxia Medical University, Yinchuan, Ningxia, China.,Department of Gynecology, The First Affiliated Hospital of Xi'an Medical College, Xi'an, Shaanxi, China
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119
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Clawson GA, Matters GL, Xin P, McGovern C, Wafula E, dePamphilis C, Meckley M, Wong J, Stewart L, D’Jamoos C, Altman N, Imamura Kawasawa Y, Du Z, Honaas L, Abraham T. "Stealth dissemination" of macrophage-tumor cell fusions cultured from blood of patients with pancreatic ductal adenocarcinoma. PLoS One 2017; 12:e0184451. [PMID: 28957348 PMCID: PMC5619717 DOI: 10.1371/journal.pone.0184451] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 08/24/2017] [Indexed: 12/12/2022] Open
Abstract
Here we describe isolation and characterization of macrophage-tumor cell fusions (MTFs) from the blood of pancreatic ductal adenocarcinoma (PDAC) patients. The MTFs were generally aneuploidy, and immunophenotypic characterizations showed that the MTFs express markers characteristic of PDAC and stem cells, as well as M2-polarized macrophages. Single cell RNASeq analyses showed that the MTFs express many transcripts implicated in cancer progression, LINE1 retrotransposons, and very high levels of several long non-coding transcripts involved in metastasis (such as MALAT1). When cultured MTFs were transplanted orthotopically into mouse pancreas, they grew as obvious well-differentiated islands of cells, but they also disseminated widely throughout multiple tissues in "stealth" fashion. They were found distributed throughout multiple organs at 4, 8, or 12 weeks after transplantation (including liver, spleen, lung), occurring as single cells or small groups of cells, without formation of obvious tumors or any apparent progression over the 4 to 12 week period. We suggest that MTFs form continually during PDAC development, and that they disseminate early in cancer progression, forming "niches" at distant sites for subsequent colonization by metastasis-initiating cells.
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Affiliation(s)
- Gary A. Clawson
- Gittlen Cancer Research Laboratories and the Department of Pathology, Hershey Medical Center (HMC), Pennsylvania State University (PSU), Hershey, PA, United States of America
| | - Gail L. Matters
- Department of Biochemistry & Molecular Biology, HMC, PSU, Hershey, PA, United States of America
| | - Ping Xin
- Gittlen Cancer Research Laboratories and the Department of Pathology, Hershey Medical Center (HMC), Pennsylvania State University (PSU), Hershey, PA, United States of America
| | - Christopher McGovern
- Department of Biochemistry & Molecular Biology, HMC, PSU, Hershey, PA, United States of America
| | - Eric Wafula
- Department of Biology, Eberly College, University Park (UP), Pennsylvania State University, University Park, PA, United States of America
| | - Claude dePamphilis
- Department of Biology, Eberly College, University Park (UP), Pennsylvania State University, University Park, PA, United States of America
| | - Morgan Meckley
- Gittlen Cancer Research Laboratories and the Department of Pathology, Hershey Medical Center (HMC), Pennsylvania State University (PSU), Hershey, PA, United States of America
| | - Joyce Wong
- Department of Surgery, HMC, PSU, Hershey, PA, United States of America
| | - Luke Stewart
- Applications Support, Fluidigm Corporation, South San Francisco, CA, United States of America
| | - Christopher D’Jamoos
- Applications Support, Fluidigm Corporation, South San Francisco, CA, United States of America
| | - Naomi Altman
- Department of Statistics, Eberly College, UP, PSU, University Park, PA, United States of America
| | - Yuka Imamura Kawasawa
- Department of Pharmacology and Biochemistry & Molecular Biology, Institute for Personalized Medicine, HMC, PSU, Hershey, PA, United States of America
| | - Zhen Du
- Gittlen Cancer Research Laboratories and the Department of Pathology, Hershey Medical Center (HMC), Pennsylvania State University (PSU), Hershey, PA, United States of America
| | - Loren Honaas
- Department of Biology, Eberly College, University Park (UP), Pennsylvania State University, University Park, PA, United States of America
| | - Thomas Abraham
- Department of Neural & Behavioral Sciences and Microscopy Imaging Facility, HMC, PSU, Hershey, PA, United States of America
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120
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Chockley PJ, Keshamouni VG. Immunological Consequences of Epithelial-Mesenchymal Transition in Tumor Progression. THE JOURNAL OF IMMUNOLOGY 2017; 197:691-8. [PMID: 27431984 DOI: 10.4049/jimmunol.1600458] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Accepted: 05/18/2016] [Indexed: 12/26/2022]
Abstract
Microenvironments that tumor cells encounter are different during the stages of cancer progression-primary tumor, metastasis, and at the metastatic site. This suggests potential differences in immune surveillance of primary tumor and metastasis. Epithelial-mesenchymal transition (EMT) is a key reversible process in which cancer cells transition into highly motile and invasive cells for dissemination. Only a tiny proportion successfully metastasize, supporting the notion of metastasis-specific immune surveillance. EMT involves extensive molecular reprogramming of cells conferring many clinically relevant features to cancer cells and affects tumor cell interactions within the tumor microenvironment. We review the impact of tumor immune infiltrates on tumor cell EMT and the consequences of EMT in shaping the immune microenvironment of tumors. The usefulness of EMT as a model to investigate metastasis-specific immune surveillance mechanisms are also explored. Finally, we discuss potential implications of EMT for tumor immunogenicity, as well as current immunotherapies and future strategies.
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Affiliation(s)
- Peter J Chockley
- Graduate Program in Immunology, University of Michigan Medical Center, Ann Arbor, MI 48109; and
| | - Venkateshwar G Keshamouni
- Graduate Program in Immunology, University of Michigan Medical Center, Ann Arbor, MI 48109; and Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, MI 48109
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121
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Guo J, Yan Y, Yan Y, Guo Q, Zhang M, Zhang J, Goltzman D. Tumor-associated macrophages induce the expression of FOXQ1 to promote epithelial-mesenchymal transition and metastasis in gastric cancer cells. Oncol Rep 2017; 38:2003-2010. [PMID: 28791370 PMCID: PMC5652949 DOI: 10.3892/or.2017.5877] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Accepted: 07/27/2017] [Indexed: 12/18/2022] Open
Abstract
Gastric cancer (GC) is one of the most common malignancies, and is the second leading cause of cancer-related deaths worldwide. Macrophages infiltrated in the tumor microenvironment (TME) called tumor-associated macrophages (TAMs) are key orchestrators in TME. In GC, it has been reported that infiltration of TAMs is associated with epithelial-mesenchymal transition (EMT)-related proteins in human GC tissues, but the exactly mechanism has not been clarified. In the present study, we aimed to elucidate the underlying mechanism of TAMs on GC cells. THP-1 cells were used to investigate the effects of TAMs on GC cells. The effects of invasion and migration induced by coculture with TAMs were investigated by Transwell invasion and wound healing assays. The expression of EMT-related genes and forkhead box Q1 (FOXQ1) were examined in MKN45 and MKN74 cells after being co-cultured with TAMs. The density of TAMs and the expression of FOXQ1 were analyzed by immunohistochemistry in GC tissues. Our results revealed that, co-culture with TAMs promoted the invasion and migration of GC cells. Co-culture with TAMs induced EMT in GC cells. FOXQ1 is essential for TAM-induced EMT and metastasis in GC cells. Furthermore, silencing of FOXQ1 blocked the effect of TAM-enhanced EMT and metastasis of GC cells. High expression of CD68 was correlated with positive FOXQ1 expression (r=0.613; P<0.001) in clinical GC samples. Our data provided evidence that TAMs promote EMT, invasion and migration of GC cells via FOXQ1. Therefore, the TAM/FOXQ1 axis may represent a novel target for GC cells.
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Affiliation(s)
- Jian Guo
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Yan Yan
- The Second Department of Thoracic Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Yu Yan
- Department of Breast Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Qinyue Guo
- Department of Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Mingxin Zhang
- Department of Gastroenterology, Tangdu Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710038, P.R. China
| | - Jia Zhang
- The Second Department of Thoracic Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - David Goltzman
- Departments of Medicine and Physiology, McGill University, Montreal, Quebec H3A 1A1, Canada
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122
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Sica A, Porta C, Amadori A, Pastò A. Tumor-associated myeloid cells as guiding forces of cancer cell stemness. Cancer Immunol Immunother 2017; 66:1025-1036. [PMID: 28401258 PMCID: PMC11029054 DOI: 10.1007/s00262-017-1997-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 03/29/2017] [Indexed: 12/14/2022]
Abstract
Due to their ability to differentiate into various cell types and to support tissue regeneration, stem cells simultaneously became the holy grail of regenerative medicine and the evil obstacle in cancer therapy. Several studies have investigated niche-related conditions that favor stemness properties and increasingly emphasized their association with an inflammatory environment. Tumor-associated macrophages (TAMs) and myeloid-derived suppressor cells (MDSCs) are major orchestrators of cancer-related inflammation, able to dynamically express different polarized inflammatory programs that promote tumor outgrowth, including tumor angiogenesis, immunosuppression, tissue remodeling and metastasis formation. In addition, these myeloid populations support cancer cell stemness, favoring tumor maintenance and progression, as well as resistance to anticancer treatments. Here, we discuss inflammatory circuits and molecules expressed by TAMs and MDSCs as guiding forces of cancer cell stemness.
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Affiliation(s)
- Antonio Sica
- Department of Pharmaceutical Sciences, Università del Piemonte Orientale "Amedeo Avogadro", Via Bovio 6, 28100, Novara, Italy.
- Humanitas Clinical and Research Center, Via Manzoni 56, 20089, Rozzano, Milan, Italy.
| | - Chiara Porta
- Department of Pharmaceutical Sciences, Università del Piemonte Orientale "Amedeo Avogadro", Via Bovio 6, 28100, Novara, Italy
| | - Alberto Amadori
- Department of Surgery, Oncology and Gastroenterology, University of Padova, Padua, Italy
- Istituto Oncologico Veneto IOV-IRCCS, Padua, Italy
| | - Anna Pastò
- Istituto Oncologico Veneto IOV-IRCCS, Padua, Italy
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123
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Abstract
Tumor-associated macrophages (TAMs), representing most of the leukocyte population in solid tumors, demonstrate great phenotypic heterogeneity and diverse functional capabilities under the influence of the local tumor microenvironment. These anti-inflammatory and protumorigenic macrophages modulate the local microenvironment to facilitate tumor growth and metastasis. In this review, we examine the origin of TAMs and the complex regulatory networks within the tumor microenvironment that facilitate the polarization of TAMs toward a protumoral phenotype. More extensively, we evaluate the mechanisms by which TAMs mediate angiogenesis, metastasis, chemotherapeutic resistance and immune evasion. Lastly, we will highlight novel interventional strategies targeting TAMs in preclinical studies and in early clinical trials that have significant potential in improving efficacy of current chemotherapeutic and/or immunotherapeutic approaches.
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Affiliation(s)
- Amy J Petty
- Division of Hematologic Malignancies & Cellular Therapy, Department of Medicine, Duke University Medical Center, Box 103005, Durham, NC 27710, USA
| | - Yiping Yang
- Division of Hematologic Malignancies & Cellular Therapy, Department of Medicine, Duke University Medical Center, Box 103005, Durham, NC 27710, USA.,Department of Immunology, Duke University, Durham, NC 27710, USA
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Suarez‐Carmona M, Lesage J, Cataldo D, Gilles C. EMT and inflammation: inseparable actors of cancer progression. Mol Oncol 2017; 11:805-823. [PMID: 28599100 PMCID: PMC5496491 DOI: 10.1002/1878-0261.12095] [Citation(s) in RCA: 378] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 05/31/2017] [Accepted: 06/02/2017] [Indexed: 12/14/2022] Open
Abstract
Tumors can be depicted as wounds that never heal, and are infiltrated by a large array of inflammatory and immune cells. Tumor-associated chronic inflammation is a hallmark of cancer that fosters progression to a metastatic stage, as has been extensively reviewed lately. Indeed, inflammatory cells persisting in the tumor establish a cross-talk with tumor cells that may result in a phenotype switch into tumor-supporting cells. This has been particularly well described for macrophages and is referred to as tumor-associated 'M2' polarization. Epithelial-to-mesenchymal transition (EMT), the embryonic program that loosens cell-cell adherence complexes and endows cells with enhanced migratory and invasive properties, can be co-opted by cancer cells during metastatic progression. Cancer cells that have undergone EMT are more aggressive, displaying increased invasiveness, stem-like features, and resistance to apoptosis. EMT programs can also stimulate the production of proinflammatory factors by cancer cells. Conversely, inflammation is a potent inducer of EMT in tumors. Therefore, the two phenomena may sustain each other, in an alliance for metastasis. This is the focus of this review, where the interconnections between EMT programs and cellular and molecular actors of inflammation are described. We also recapitulate data linking the EMT/inflammation axis to metastasis.
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Affiliation(s)
- Meggy Suarez‐Carmona
- National Center for Tumor Diseases (NCT) – University Hospital HeidelbergGermany
| | - Julien Lesage
- Laboratory of Tumor and Development BiologyGIGA‐Cancer University of LiègeBelgium
| | - Didier Cataldo
- Inserm UMR‐S 903SFR CAP‐SantéUniversity of Reims Champagne‐Ardenne (URCA)France
| | - Christine Gilles
- Inserm UMR‐S 903SFR CAP‐SantéUniversity of Reims Champagne‐Ardenne (URCA)France
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Sistigu A, Di Modugno F, Manic G, Nisticò P. Deciphering the loop of epithelial-mesenchymal transition, inflammatory cytokines and cancer immunoediting. Cytokine Growth Factor Rev 2017; 36:67-77. [PMID: 28595838 DOI: 10.1016/j.cytogfr.2017.05.008] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Accepted: 05/15/2017] [Indexed: 12/14/2022]
Abstract
Tumorigenesis and tumor progression relies on the dialectics between tumor cells, the extracellular matrix and its remodelling enzymes, neighbouring cells and soluble cues. The host immune response is crucial in eliminating or promoting tumor growth and the reciprocal coevolution of tumor and immune cells, during disease progression and in response to therapy, shapes tumor fate by activating innate and adaptive mechanisms. The phenotypic plasticity is a common feature of epithelial and immune cells and epithelial-mesenchymal transition (EMT) is a dynamic process, governed by microenvironmental stimuli, critical in tumor cell shaping, increased tumor cell heterogeneity and stemness. In this review we will outline how the dysregulation of microenvironmental signaling is crucial in determining tumor plasticity and EMT, arguing how therapy resistance hinges on these dynamics.
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Affiliation(s)
- Antonella Sistigu
- Unit of Tumor Immunology and Immunotherapy, Department of Research, Advanced Diagnostics and Technological Innovation, Regina Elena National Cancer Institute, via Elio Chianesi 53, 00144, Rome, Italy; Department of General Pathology and Physiopathology, Università Cattolica del Sacro Cuore, largo Francesco Vito 1, 00168, Rome, Italy.
| | - Francesca Di Modugno
- Unit of Tumor Immunology and Immunotherapy, Department of Research, Advanced Diagnostics and Technological Innovation, Regina Elena National Cancer Institute, via Elio Chianesi 53, 00144, Rome, Italy
| | - Gwenola Manic
- Department of Biology, University of Rome "Tor Vergata", via della Ricerca Scientifica 1, 00173, Rome, Italy
| | - Paola Nisticò
- Unit of Tumor Immunology and Immunotherapy, Department of Research, Advanced Diagnostics and Technological Innovation, Regina Elena National Cancer Institute, via Elio Chianesi 53, 00144, Rome, Italy.
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Abstract
The success of anticancer therapy is usually limited by the development of drug resistance. Such acquired resistance is driven, in part, by intratumoural heterogeneity - that is, the phenotypic diversity of cancer cells co-inhabiting a single tumour mass. The introduction of the cancer stem cell (CSC) concept, which posits the presence of minor subpopulations of CSCs that are uniquely capable of seeding new tumours, has provided a framework for understanding one dimension of intratumoural heterogeneity. This concept, taken together with the identification of the epithelial-to-mesenchymal transition (EMT) programme as a critical regulator of the CSC phenotype, offers an opportunity to investigate the nature of intratumoural heterogeneity and a possible mechanistic basis for anticancer drug resistance. In fact, accumulating evidence indicates that conventional therapies often fail to eradicate carcinoma cells that have entered the CSC state via activation of the EMT programme, thereby permitting CSC-mediated clinical relapse. In this Review, we summarize our current understanding of the link between the EMT programme and the CSC state, and also discuss how this knowledge can contribute to improvements in clinical practice.
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Tumor Associated Macrophages as Therapeutic Targets for Breast Cancer. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 1026:331-370. [PMID: 29282692 DOI: 10.1007/978-981-10-6020-5_16] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Tumor-associated macrophages (TAMs) are the most abundant inflammatory infiltrates in the tumor stroma. TAMs promote tumor growth by suppressing immunocompetent cells, including neovascularization and supporting cancer stem cells. In the chapter, we discuss recent efforts in reprogramming or inhibiting tumor-protecting properties of TAMs, and developing potential strategies to increase the efficacy of breast cancer treatment.
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128
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Stallcup WB, You WK, Kucharova K, Cejudo-Martin P, Yotsumoto F. NG2 Proteoglycan-Dependent Contributions of Pericytes and Macrophages to Brain Tumor Vascularization and Progression. Microcirculation 2016; 23:122-33. [PMID: 26465118 DOI: 10.1111/micc.12251] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Accepted: 10/09/2015] [Indexed: 12/22/2022]
Abstract
The NG2 proteoglycan promotes tumor growth as a component of both tumor and stromal cells. Using intracranial, NG2-negative B16F10 melanomas, we have investigated the importance of PC and Mac NG2 in brain tumor progression. Reduced melanoma growth in Mac-NG2ko and PC-NG2ko mice demonstrates the importance of NG2 in both stromal compartments. In each genotype, the loss of PC-endothelial cell interaction diminishes the formation of endothelial junctions and assembly of the basal lamina. Tumor vessels in Mac-NG2ko mice have smaller diameters, reduced patency, and increased leakiness compared to PC-NG2ko mice, thus decreasing tumor blood supply and increasing hypoxia. While the reduced PC interaction with endothelial cells in PC-NG2ko mice results from the loss of PC activation of β1 integrin signaling in endothelial cells, reduced PC-endothelial cell interaction in Mac-NG2ko mice results from 90% reduced Mac recruitment. The absence of Mac-derived signals in Mac-NG2ko mice causes the loss of PC association with endothelial cells. Reduced Mac recruitment may be due to diminished activation of integrins in the absence of NG2, causing decreased Mac interaction with endothelial adhesion molecules that are needed for extravasation. These results reflect the complex interplay that occurs between Mac, PC, and endothelial cells during tumor vascularization.
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Affiliation(s)
- William B Stallcup
- Sanford Burnham Prebys Medical Discovery Institute, Cancer Center, La Jolla, California, USA
| | - Weon-Kyoo You
- Sanford Burnham Prebys Medical Discovery Institute, Cancer Center, La Jolla, California, USA.,Biologics Business, Research and Development Center, Hanwha Chemical, Daejon, South Korea
| | - Karolina Kucharova
- Sanford Burnham Prebys Medical Discovery Institute, Cancer Center, La Jolla, California, USA
| | - Pilar Cejudo-Martin
- Sanford Burnham Prebys Medical Discovery Institute, Cancer Center, La Jolla, California, USA
| | - Fusanori Yotsumoto
- Sanford Burnham Prebys Medical Discovery Institute, Cancer Center, La Jolla, California, USA.,Department of Biochemistry, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
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129
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Sun BS, Pei BX, Zhang K, Zhang LC, Zhang GJ, Liu JK, Cui HW, Pan F, Zhang ZF. Significance of interstitial tumor-associated macrophages in the progression of lung adenocarcinoma. Oncol Lett 2016; 12:4467-4476. [PMID: 28101209 PMCID: PMC5228206 DOI: 10.3892/ol.2016.5270] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 09/22/2016] [Indexed: 12/14/2022] Open
Abstract
Stepwise progression from adenocarcinoma in situ (AIS) and minimally invasive adenocarcinoma (MIA) to lepidic predominant adenocarcinoma (LPA) was proposed by various scholars. Interstitial tumor-associated macrophages (TAMs) and various potential chemokines involved in the progression from AIS/MIA to LPA were hypothesized. In the present study, immunohistochemistry or immunofluorescent double staining was used to detect the expression of the TAMs marker cluster of differentiation (CD) 68, tumor-derived colony-stimulating factor (CSF)-1, interleukin (IL)-6, matrix metalloproteinase (MMP)-2, E-cadherin and Snail in lung adenocarcinoma specimens, including AIS/MIA, LPA and other types. It was observed that infiltrating TAMs were negatively associated with the prognosis of patients, and that the infiltration degree of interstitial TAMs was higher in LPA than that in AIS/MIA. In addition, E-cadherin, Snail and MMP-2 expression were significantly correlated with the infiltration degree of TAMs. Survival analysis revealed that co-expression of CD68, CSF-1 and IL-6 was an independent prognostic factor. Stratified analysis demonstrated that, in AIS/MIA patients, there was a statistically significant difference between the number of TAMs (TAMs ≤25 and TAMs >25) in the CD68+CSF-1+IL-6+ group compared with other groups (including CD68+CSF-1-IL-6-, CD68+CSF-1+IL-6-, CD68+CSF-1-IL-6+ and CD68- groups). By contrast, in patients with TAMs >25 and in patients with positive CD68, CSF-1 and IL-6 expression, the survival rates were not significantly different between AIS/MIA and LPA. These results suggested that co-expression of TAMs marker CD68, CSF-1 and IL-6 may be a valuable independent prognostic predictor in lung adenocarcinoma. TAMs may facilitate AIS/MIA progression to LPA, which may be closely associated with the induction of the epithelial-mesenchymal transition.
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Affiliation(s)
- Bing-Sheng Sun
- Department of Lung Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin Lung Cancer Center, National Clinical Research Center of Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, P.R. China
| | - Bao-Xiang Pei
- Department of Thoracic Surgery, Jining No. 1 People's Hospital, Jining, Shandong 272011, P.R. China
| | - Kang Zhang
- Department of Thoracic Surgery, Jining No. 1 People's Hospital, Jining, Shandong 272011, P.R. China
| | - Lu-Chang Zhang
- Department of Thoracic Surgery, Jining No. 1 People's Hospital, Jining, Shandong 272011, P.R. China
| | - Guang-Jing Zhang
- Department of Thoracic Surgery, Jining No. 1 People's Hospital, Jining, Shandong 272011, P.R. China
| | - Ji-Kuan Liu
- Department of Thoracic Surgery, Jining No. 1 People's Hospital, Jining, Shandong 272011, P.R. China
| | - Hong-Wei Cui
- Department of Thoracic Surgery, Jining No. 1 People's Hospital, Jining, Shandong 272011, P.R. China
| | - Fen Pan
- Department of Thoracic Surgery, Jining No. 1 People's Hospital, Jining, Shandong 272011, P.R. China
| | - Zhen-Fa Zhang
- Department of Lung Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin Lung Cancer Center, National Clinical Research Center of Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, P.R. China
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Abstract
Alternatively activated macrophages are more frequently involved in tumor growth, angiogenesis, and immunosuppression. A previous study showed that paeoniflorin, the major active constituent of Paeonia lactiflora Pallas, can inhibit tumor growth and lung metastases of Lewis lung tumor-bearing mice. This study tried to investigate whether paeoniflorin inhibited lung cancer metastasis by inhibiting the alternative activation of macrophages (M2 macrophage). Using a viability assay, the cytotoxicity of paeoniflorin on Lewis lung cancer cells and peritoneal macrophages were investigated. In vitro scratch wound and in vivo lung metastasis experiments were used to test the ability to inhibit the migration of paeoniflorin and the function of M2 macrophages. Flow cytometry was performed to test the cell cycle of Lewis lung cancer cells, and to test the M2 macrophages in peritoneal macrophages and subcutaneous transplantable tumor. It was found that paeoniflorin showed no inhibitory effect on the growth of Lewis lung cancer cells and peritoneal macrophages of mouse in vitro. Paeoniflorin could attenuate the migration of LLC stimulated by alternatively activated macrophages (stimulated for 24 h and 48 h, paeoniflorin 1, 3, 10, 30, 100 μmol·L(-1), P < 0.01 or P < 0.05 vs control group). Paeoniflorin could decrease the cell populations at S phases (paeoniflorin 10, 30, 100 μmol·L(-1), P < 0.05 vs control group) and increase the cell populations at G0-G1 phases of Lewis lung cancer cells (paeoniflorin 100 μmol·L(-1), P < 0.05 vs control group) and reduce the numbers of M2 macrophages in peritoneal macrophages induced by IL-4 (paeoniflorin 1, 3, 10, 30, 100 μmol·L(-1), P < 0.01 vs Control group). Paeoniflorin could reduce lung metastasis of Lewis lung cancer cells xenograft and decrease the numbers of M2 macrophages in subcutaneous xenograft tumour in vivo (paeoniflorin 20, 40 mg·kg(-1), P < 0.01 vs control group). These results suggest that paeoniflorin could reduce lung metastasis of Lewis lung cancer cells xenograft partly through inhibiting the alternative activation of macrophages.
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131
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Sakakura K, Takahashi H, Kaira K, Toyoda M, Murata T, Ohnishi H, Oyama T, Chikamatsu K. Relationship between tumor-associated macrophage subsets and CD47 expression in squamous cell carcinoma of the head and neck in the tumor microenvironment. J Transl Med 2016; 96:994-1003. [PMID: 27322955 DOI: 10.1038/labinvest.2016.70] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2016] [Revised: 04/06/2016] [Accepted: 05/18/2016] [Indexed: 01/07/2023] Open
Abstract
Tumor-associated macrophages (TAM) have been classified into an immunostimulatory M1 subset against microbes and malignancies, and an immunoregulatory M2 subset that secretes immunosuppressive cytokines in order to repair tissues damaged by malignancies. The infiltration of M2 in the tumor microenvironment is known to facilitate immunosuppression and tumor-promoting properties. In the present study, we investigated the phagocytic potential of these macrophage subsets in oral squamous cell carcinoma (OSCC) in relation to the expression of CD47, the 'don't eat me' signal against macrophages. The macrophage subsets M1 (induced by GM-CSF and IFN-γ) and M2 (induced by M-CSF and IL-10) were derived from the CD14(+) cells of healthy donors. Phagocytosis of the CFSE-labeled CD47(+) cell line HSC-3 by M1/M2 was assessed using flow cytometry and suppressed by an anti-CD47 neutralizing antibody or CD47 siRNA. Furthermore, CD68(+) and CD163(+) macrophage subset counts infiltrating tumor tissue and the expression of CD47 on cancer cells were examined immunohistochemically in 74 cases of OSCC, and their relationships with clinicopathological parameters or prognoses were determined. The phagocytic potential of M1 was similar to that of M2 in vitro. Phagocytosis by M1 increased in a CD47-dependent manner by the neutralizing antibody and siRNA, but did not in M2. An immunohistochemical (IHC) analysis revealed that the expression of CD47 did not correlate with macrophage subsets in peritumoral tissue or with any clinicopathological parameters; however, the stronger expression of CD47 by cancer cells and larger number of total macrophages/M2 were independently related to shorter survivals. Our results suggest that the expression of CD47 by cancer cells is related to evasion from phagocytosis, particularly that by M1 in vitro. IHC results indicate that various mechanisms are involved in the engulfing potential of TAM subsets in vivo.
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Affiliation(s)
- Koichi Sakakura
- Department of Otolaryngology-Head and Neck Surgery, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Hideyuki Takahashi
- Department of Otolaryngology-Head and Neck Surgery, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Kyoichi Kaira
- Department of Oncology Clinical Development, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Minoru Toyoda
- Department of Otolaryngology-Head and Neck Surgery, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Takaaki Murata
- Department of Otolaryngology-Head and Neck Surgery, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Hiroshi Ohnishi
- Department of Laboratory Sciences, Gunma University Graduate School of Health Sciences, Gunma, Japan
| | - Tetsunari Oyama
- Department of Diagnostic Pathology, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Kazuaki Chikamatsu
- Department of Otolaryngology-Head and Neck Surgery, Gunma University Graduate School of Medicine, Gunma, Japan
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132
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Macrophage depletion reduces postsurgical tumor recurrence and metastatic growth in a spontaneous murine model of melanoma. Oncotarget 2016; 6:22857-68. [PMID: 25762633 PMCID: PMC4673204 DOI: 10.18632/oncotarget.3127] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Accepted: 01/09/2015] [Indexed: 11/25/2022] Open
Abstract
Surgical resection of tumors is often followed by regrowth at the primary site and metastases may emerge rapidly following removal of the primary tumor. Macrophages are important drivers of tumor growth, and here we investigated their involvement in postoperative relapse as well as explore macrophage depletion as an adjuvant to surgical resection. RETAAD mice develop spontaneous metastatic melanoma that begins in the eye. Removal of the eyes as early as 1 week of age did not prevent the development of metastases; rather, surgery led to increased proliferation of tumor cells locally and in distant metastases. Surgery-induced increase in tumor cell proliferation correlated with increased macrophage density within the tumor. Moreover, macrophages stimulate tumor sphere formation from tumor cells of post-surgical but not control mice. Macrophage depletion with a diet containing the CSF-1R specific kinase inhibitor Ki20227 following surgery significantly reduced postoperative tumor recurrence and abrogated enhanced metastatic outgrowth. Our results confirm that tumor cells disseminate early, and show that macrophages contribute both to post-surgical tumor relapse and growth of metastases, likely through stimulating a population of tumor-initiating cells. Thus macrophage depletion warrants exploration as an adjuvant to surgical resection.
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133
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Bai J, Adriani G, Dang TM, Tu TY, Penny HXL, Wong SC, Kamm RD, Thiery JP. Contact-dependent carcinoma aggregate dispersion by M2a macrophages via ICAM-1 and β2 integrin interactions. Oncotarget 2016; 6:25295-307. [PMID: 26231039 PMCID: PMC4694832 DOI: 10.18632/oncotarget.4716] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Accepted: 07/17/2015] [Indexed: 12/20/2022] Open
Abstract
Tumor-associated macrophages (TAMs) can constitute up to 50% of the tumor mass and have strong implications in tumor progression and metastasis. Macrophages are plastic and can polarize to various subtypes that differ in terms of surface receptor expression as well as cytokine and chemokine production and effector function. Conventionally, macrophages are grouped into two major subtypes: the classically activated M1 macrophages and the alternatively activated M2 macrophages. M1 macrophages are pro-inflammatory, promote T helper (Th) 1 responses, and show tumoricidal activity, whereas M2 macrophages contribute to tissue repair and promote Th2 responses. Herein, we present a microfluidic system integrating tumor cell aggregates and subtypes of human monocyte-derived macrophages in a three-dimensional hydrogel scaffold, in close co-culture with an endothelial monolayer to create an in vitro tumor microenvironment. This platform was utilized to study the role of individual subtypes of macrophages (M0, M1, M2a, M2b and M2c) in human lung adenocarcinoma (A549) aggregate dispersion, as a representation of epithelial-mesenchymal transition (EMT). A significant difference was observed when M2a macrophages were in direct contact with or separated from A549 aggregates, suggesting a possible mechanism for proximity-induced, contact-dependent dissemination via ICAM-1 and integrin β2 interactions. Indeed, M2a macrophages tended to infiltrate and release cells from carcinoma cell aggregates. These findings may help in the development of immunotherapies based on enhancing the tumor-suppressive properties of TAMs.
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Affiliation(s)
- Jing Bai
- BioSystems and Micromechanics IRG, Singapore-MIT Alliance for Research and Technology, 138602, Singapore.,Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Giulia Adriani
- BioSystems and Micromechanics IRG, Singapore-MIT Alliance for Research and Technology, 138602, Singapore
| | - Truong-Minh Dang
- SIgN (Singapore Immunology Network), A*STAR (Agency for Science, Technology and Research), Biopolis, 138648, Singapore
| | - Ting-Yuan Tu
- BioSystems and Micromechanics IRG, Singapore-MIT Alliance for Research and Technology, 138602, Singapore
| | - Hwei-Xian Leong Penny
- SIgN (Singapore Immunology Network), A*STAR (Agency for Science, Technology and Research), Biopolis, 138648, Singapore
| | - Siew-Cheng Wong
- SIgN (Singapore Immunology Network), A*STAR (Agency for Science, Technology and Research), Biopolis, 138648, Singapore
| | - Roger D Kamm
- BioSystems and Micromechanics IRG, Singapore-MIT Alliance for Research and Technology, 138602, Singapore.,Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Jean-Paul Thiery
- BioSystems and Micromechanics IRG, Singapore-MIT Alliance for Research and Technology, 138602, Singapore.,Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, 117597, Singapore.,Institute of Molecular and Cell Biology, Proteos, 138673, Singapore
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134
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Sung WJ, Kim H, Park KK. The biological role of epithelial-mesenchymal transition in lung cancer (Review). Oncol Rep 2016; 36:1199-206. [PMID: 27460444 DOI: 10.3892/or.2016.4964] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Accepted: 03/22/2016] [Indexed: 11/06/2022] Open
Abstract
Epithelial-mesenchymal transition (EMT) is a process whereby epithelial cells gradually transform into mesenchymal-like cells losing their epithelial functionality and characteristics. EMT is thought to be involved in the pathogenesis of numerous lung diseases ranging from developmental disorders and fibrotic tissue remodeling to lung cancer. Lung cancer is the most lethal form of cancer worldwide, and despite significant therapeutic improvements, the patient survival rate still remains low. Activation of EMT endows invasive and metastatic properties upon cancer cells that favor successful colonization of distal target organs. The present review provides a brief insight into the mechanism and biological assessment methods of EMT in lung cancer and summarizes the recent literature highlighting the controversial experimental data and conclusions.
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Affiliation(s)
- Woo Jung Sung
- Department of Pathology, Catholic University of Daegu College of Medicine, Nam-gu, Daegu 42472, Republic of Korea
| | - Hongtae Kim
- Department of Anatomy, Catholic University of Daegu College of Medicine, Nam-gu, Daegu 42472, Republic of Korea
| | - Kwan-Kyu Park
- Department of Pathology, Catholic University of Daegu College of Medicine, Nam-gu, Daegu 42472, Republic of Korea
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135
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Yan Y, Zhang J, Li JH, Liu X, Wang JZ, Qu HY, Wang JS, Duan XY. High tumor-associated macrophages infiltration is associated with poor prognosis and may contribute to the phenomenon of epithelial-mesenchymal transition in gastric cancer. Onco Targets Ther 2016; 9:3975-83. [PMID: 27418840 PMCID: PMC4935103 DOI: 10.2147/ott.s103112] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Recent studies show that epithelial-mesenchymal transition (EMT) and tumor-associated macrophages (TAMs) contribute to the progression and poor prognosis of carcinoma through multiple mechanisms. Both inflammation and changing of epithelium have a close relationship with tumorigenesis of gastric cancer. However, the relevance between EMT and TAMs is still unclear in gastric cancer and needs more scientific research. This study is designed to explore the relationship between EMT and TAMs in gastric cancer. MATERIALS AND METHODS Immunohistochemistry was used to detect the expression of EMT-related proteins and TAM markers in cancer tissues and normal gastric tissues. RESULTS High levels of EMT and TAMs infiltration are related to aggressive features and independent prognostic factors in gastric cancer, respectively. In addition, expression of the two indicators is associated with expression of transforming growth factor-β1 (TGF-β1). Infiltration of TAMs is also associated with EMT-related marker in gastric cancer. CONCLUSION Our results suggest that high levels of EMT and TAMs infiltration are related to aggressive features and independent prognostic factors in gastric cancer, respectively. A correlation was found between EMT- and TAM-related indicators, which may be associated with TGF-β signaling pathway. The level of TAMs infiltration plays an important role in gastric cancer, the markers of which can be used as prognostic indicators.
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Affiliation(s)
- Yan Yan
- The Second Department of Thoracic Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an
| | - Jia Zhang
- The Second Department of Thoracic Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an
| | - Jun-Hai Li
- The Department of Oncological Surgery, Nuclear Industry 215 Hospital of Shaanxi Province, Xianyang
| | - Xu Liu
- The Second Department of Thoracic Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an
| | - Ji-Zhao Wang
- The Second Department of Thoracic Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an
| | - Hang-Ying Qu
- The Department of Oncological Surgery, Shaanxi University of Chinese Medicine, Xianyang
| | - Jian-Sheng Wang
- The Second Department of Thoracic Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an
| | - Xiao-Yi Duan
- Department of Radiology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China
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136
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Fernández A, Pupo A, Mena-Ulecia K, Gonzalez C. Pharmacological Modulation of Proton Channel Hv1 in Cancer Therapy: Future Perspectives. Mol Pharmacol 2016; 90:385-402. [PMID: 27260771 DOI: 10.1124/mol.116.103804] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2016] [Accepted: 06/02/2016] [Indexed: 12/23/2022] Open
Abstract
The pharmacological modulation of the immunosuppressive tumor microenvironment has emerged as a relevant component for cancer therapy. Several approaches aiming to deplete innate and adaptive suppressive populations, to circumvent the impairment in antigen presentation, and to ultimately increase the frequency of activated tumor-specific T cells are currently being explored. In this review, we address the potentiality of targeting the voltage-gated proton channel, Hv1, as a novel strategy to modulate the tumor microenvironment. The function of Hv1 in immune cells such as macrophages, neutrophils, dendritic cells, and T cells has been associated with the maintenance of NADPH oxidase activity and the generation of reactive oxygen species, which are required for the host defense against pathogens. We discuss evidence suggesting that the Hv1 proton channel could also be important for the function of these cells within the tumor microenvironment. Furthermore, as summarized here, tumor cells express Hv1 as a primary mechanism to extrude the increased amount of protons generated metabolically, thus maintaining physiologic values for the intracellular pH. Therefore, because this channel might be relevant for both tumor cells and immune cells supporting tumor growth, the pharmacological inhibition of Hv1 could be an innovative approach for cancer therapy. With that focus, we analyzed the available compounds that inhibit Hv1, highlighted the need to develop better drugs suitable for patients, and commented on the future perspectives of targeting Hv1 in the context of cancer therapy.
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Affiliation(s)
- Audry Fernández
- Interdisciplinary Center for Neurosciences of Valparaíso, Faculty of Sciences, University of Valparaíso, Chile
| | - Amaury Pupo
- Interdisciplinary Center for Neurosciences of Valparaíso, Faculty of Sciences, University of Valparaíso, Chile
| | - Karel Mena-Ulecia
- Interdisciplinary Center for Neurosciences of Valparaíso, Faculty of Sciences, University of Valparaíso, Chile
| | - Carlos Gonzalez
- Interdisciplinary Center for Neurosciences of Valparaíso, Faculty of Sciences, University of Valparaíso, Chile
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137
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Ghorbani M, Oral O, Ekici S, Gozuacik D, Kosar A. Review on Lithotripsy and Cavitation in Urinary Stone Therapy. IEEE Rev Biomed Eng 2016; 9:264-83. [PMID: 27249837 DOI: 10.1109/rbme.2016.2573381] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Cavitation is the sudden formation of vapor bubbles or voids in liquid media and occurs after rapid changes in pressure as a consequence of mechanical forces. It is mostly an undesirable phenomenon. Although the elimination of cavitation is a major topic in the study of fluid dynamics, its destructive nature could be exploited for therapeutic applications. Ultrasonic and hydrodynamic sources are two main origins for generating cavitation. The purpose of this review is to give the reader a general idea about the formation of cavitation phenomenon and existing biomedical applications of ultrasonic and hydrodynamic cavitation. Because of the high number of the studies on ultrasound cavitation in the literature, the main focus of this review is placed on the lithotripsy techniques, which have been widely used for the treatment of urinary stones. Accordingly, cavitation phenomenon and its basic concepts are presented in Section II. The significance of the ultrasound cavitation in the urinary stone treatment is discussed in Section III in detail and hydrodynamic cavitation as an important alternative for the ultrasound cavitation is included in Section IV. Finally, side effects of using both ultrasound and hydrodynamic cavitation in biomedical applications are presented in Section V.
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Jackaman C, Yeoh TL, Acuil ML, Gardner JK, Nelson DJ. Murine mesothelioma induces locally-proliferating IL-10(+)TNF-α(+)CD206(-)CX3CR1(+) M3 macrophages that can be selectively depleted by chemotherapy or immunotherapy. Oncoimmunology 2016; 5:e1173299. [PMID: 27471652 DOI: 10.1080/2162402x.2016.1173299] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 03/24/2016] [Accepted: 03/26/2016] [Indexed: 01/07/2023] Open
Abstract
We used a murine model to monitor changes to myeloid cell subsets, i.e., myeloid-derived suppressor cells (MDSCs), M1 macrophages that secrete pro-inflammatory cytokines and express CD40 and CD80 and suppressive M2 macrophages that secrete anti-inflammatory cytokines and express CD206 and CX3CR1, during mesothelioma progression and during chemotherapy or immunotherapy-induced tumor regression. In vitro studies showed that mesothelioma-conditioned media generated CD206(-)CX3CR1(+)MCP-1(+)TGF-β(+) macrophages that induced T cell proliferation but prevented T cell IFNγ production. In vivo studies showed that co-inoculation of macrophages with mesothelioma cells led to faster tumor growth, and depleting macrophages using anti-F4/80 antibody induced tumor regression. Flow cytometry revealed increasing levels of different suppressive myeloid cells in lymphoid organs: MDSCs dominated bone marrow (BM) and spleens, M2 macrophages dominated tumor-draining lymph nodes (DLN) and a mixed IL-10(+)TNF-α(+)CD206(-)CX3CR1(+) M1/M2 (M3) macrophage subset dominated the mesothelioma microenvironment. Ki67 staining and cell cycle analysis showed that tumor-associated M1 and M3, but not M2, macrophages were proliferating in situ, with M1 cells arrested in the G1 phase while M3 cells progressed to mitosis. Immunohistochemistry showed that M1 and M3 cells were co-located supporting the hypothesis that M1 cells transition to M3 cells during proliferation. Gemcitabine reduced tumor-associated M3 and MDSCs, but not M2 macrophages, the latter likely contributing to the tumor outgrowth seen following treatment cessation. In contrast, IL-2/agonist anti-CD40 antibody therapy reduced M3 cells and polarized macrophages into M1 cells coinciding with tumor regression. These data show that myeloid cells, particularly M3 cells, represent a therapeutic target for the generation of antitumor immunity.
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Affiliation(s)
- Connie Jackaman
- Immunology and Cancer Group, School of Biomedical Sciences, Curtin University, Perth, Western Australia, WA, Australia; Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
| | - Teong L Yeoh
- Immunology and Cancer Group, School of Biomedical Sciences, Curtin University, Perth, Western Australia, WA, Australia; Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
| | - Manyual L Acuil
- Immunology and Cancer Group, School of Biomedical Sciences, Curtin University, Perth, Western Australia, WA, Australia; Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
| | - Joanne K Gardner
- Immunology and Cancer Group, School of Biomedical Sciences, Curtin University, Perth, Western Australia, WA, Australia; Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
| | - Delia J Nelson
- Immunology and Cancer Group, School of Biomedical Sciences, Curtin University, Perth, Western Australia, WA, Australia; Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
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139
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Yang L, Wang L, Zhang Y. Immunotherapy for lung cancer: advances and prospects. AMERICAN JOURNAL OF CLINICAL AND EXPERIMENTAL IMMUNOLOGY 2016; 5:1-20. [PMID: 27168951 PMCID: PMC4858602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Accepted: 03/12/2016] [Indexed: 06/05/2023]
Abstract
Lung cancer is the most commonly diagnosed cancer as well as the leading cause of cancer-related deaths worldwide. To date, surgery is the first choice treatment, but most clinically diagnosed cases are inoperable. While chemotherapy and/or radiotherapy are the next considered options for such cases, these treatment modalities have adverse effects and are sometimes lethal to patients. Thus, new effective strategies with minimal side effects are urgently needed. Cancer immunotherapy provides either active or passive immunity to target tumors. Multiple immunotherapy agents have been proposed and tested for potential therapeutic benefit against lung cancer, and some pose fewer side effects as compared to conventional chemotherapy and radiotherapy. In this article, we discuss studies focusing on interactions between lung cancer and the immune system, and we place an emphasis on outcome evidence in order to create a knowledge base well-grounded in clinical reality. Overall, this review highlights the need for new lung cancer treatment options, with much ground to be paved for future advances in the field. We believe that immunotherapy agents alone or with other forms of treatment can be recognized as next modality of lung cancer treatment.
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Affiliation(s)
- Li Yang
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou, Henan 450052, P.R. China
- Department of Oncology, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou, Henan 450052, P.R. China
| | - Liping Wang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou, Henan 450052, P.R. China
| | - Yi Zhang
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou, Henan 450052, P.R. China
- Department of Oncology, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou, Henan 450052, P.R. China
- School of Life Sciences, Zhengzhou UniversityZhengzhou, Henan 450001, P.R. China
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Long H, Xiang T, Qi W, Huang J, Chen J, He L, Liang Z, Guo B, Li Y, Xie R, Zhu B. CD133+ ovarian cancer stem-like cells promote non-stem cancer cell metastasis via CCL5 induced epithelial-mesenchymal transition. Oncotarget 2016; 6:5846-59. [PMID: 25788271 PMCID: PMC4467406 DOI: 10.18632/oncotarget.3462] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Accepted: 01/20/2015] [Indexed: 01/06/2023] Open
Abstract
Cancer stem cells (CSCs, also called cancer stem-like cells, CSLCs) can function as "seed cells" for tumor recurrence and metastasis. Here, we report that, in the presence of CD133+ ovarian CSLCs, CD133- non-CSLCs can undergo an epithelial-mesenchymal transition (EMT)-like process and display enhanced metastatic capacity in vitro and in vivo. Highly elevated expression of chemokine (C-C motif) ligand 5 (CCL5) and its receptors chemokine (C-C motif) receptor (CCR) 1/3/5 are observed in clinical and murine metastatic tumor tissues from epithelial ovarian carcinomas. Mechanistically, paracrine CCL5 from ovarian CSLCs activates the NF-κB signaling pathway in ovarian non-CSLCs via binding CCR1/3/5, thereby inducing EMT and tumor invasion. Taken together, our results redefine the metastatic potential of non-stem cancer cells and provide evidence that targeting the CCL5:CCR1/3/5-NF-κB pathway could be an effective strategy to prevent ovarian cancer metastasis.
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Affiliation(s)
- Haixia Long
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Tong Xiang
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Wei Qi
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Jiani Huang
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Junying Chen
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Luhang He
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Zhiqing Liang
- Department of Obstetrics and Gynecology, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Bo Guo
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Yongsheng Li
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Rongkai Xie
- Department of Obstetrics and Gynecology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Bo Zhu
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing, China.,Biomedical Analysis Center, Third Military Medical University, Chongqing, China
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Kaiser JL, Bland CL, Klinke DJ. Identifying causal networks linking cancer processes and anti-tumor immunity using Bayesian network inference and metagene constructs. Biotechnol Prog 2016; 32:470-9. [PMID: 26785356 DOI: 10.1002/btpr.2230] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Revised: 01/13/2016] [Indexed: 12/17/2022]
Abstract
Cancer arises from a deregulation of both intracellular and intercellular networks that maintain system homeostasis. Identifying the architecture of these networks and how they are changed in cancer is a pre-requisite for designing drugs to restore homeostasis. Since intercellular networks only appear in intact systems, it is difficult to identify how these networks become altered in human cancer using many of the common experimental models. To overcome this, we used the diversity in normal and malignant human tissue samples from the Cancer Genome Atlas (TCGA) database of human breast cancer to identify the topology associated with intercellular networks in vivo. To improve the underlying biological signals, we constructed Bayesian networks using metagene constructs, which represented groups of genes that are concomitantly associated with different immune and cancer states. We also used bootstrap resampling to establish the significance associated with the inferred networks. In short, we found opposing relationships between cell proliferation and epithelial-to-mesenchymal transformation (EMT) with regards to macrophage polarization. These results were consistent across multiple carcinomas in that proliferation was associated with a type 1 cell-mediated anti-tumor immune response and EMT was associated with a pro-tumor anti-inflammatory response. To address the identifiability of these networks from other datasets, we could identify the relationship between EMT and macrophage polarization with fewer samples when the Bayesian network was generated from malignant samples alone. However, the relationship between proliferation and macrophage polarization was identified with fewer samples when the samples were taken from a combination of the normal and malignant samples. © 2016 American Institute of Chemical Engineers Biotechnol. Prog., 32:470-479, 2016.
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Affiliation(s)
- Jacob L Kaiser
- Dept. of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV, 25606
| | - Cassidy L Bland
- Dept. of Chemical Engineering, West Virginia University, Morgantown, WV, 25606
| | - David J Klinke
- Dept. of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV, 25606.,Dept. of Chemical Engineering and Mary Babb Randolph Cancer Center, West Virginia University Morgantown, WV, 25606
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Accumulation of FOXP3+T-cells in the tumor microenvironment is associated with an epithelial-mesenchymal-transition-type tumor budding phenotype and is an independent prognostic factor in surgically resected pancreatic ductal adenocarcinoma. Oncotarget 2016; 6:4190-201. [PMID: 25669968 PMCID: PMC4414182 DOI: 10.18632/oncotarget.2775] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2014] [Accepted: 11/18/2014] [Indexed: 02/07/2023] Open
Abstract
Here we explore the role of the interplay between host immune response and epithelial-mesenchymal-transition (EMT)-Type tumor-budding on the outcome of pancreatic adenocarcinoma (PDAC). CD4+, CD8+, and FOXP3+T-cells as well as iNOS+ (M1) and CD163+-macrophages (M2) were assessed on multipunch tissue-microarrays containing 120 well-characterized PDACs, precursor lesions (PanINs) and corresponding normal tissue. Counts were normalized for the percentage of tumor/spot and associated with the clinico-pathological features, including peritumoral (PTB) and intratumoral (ITB) EMT-Type tumor-budding and outcome. Increased FOXP3+T-cell-counts and CD163-macrophages and decreased CD8+T-cell-counts were observed in PDACs compared with normal tissues and PanINs (p < 0.0001). Increased peritumoral FOXP3+T-cell-counts correlated significantly with venous invasion, distant metastasis, R1-status, high-grade ITB, PTB and independently with reduced survival. Increased intratumoral FOXP3+T-cells correlated with lymphatic invasion, N1-stage, PTB and marginally with adverse outcome. High peritumoral CD163-counts correlated with venous invasion, PTB and ITB. High intratumoral CD163-counts correlated with higher T-stage and PTB. PDAC-microenvironment displays a tumor-favoring immune-cell composition especially in the immediate environment of the tumor-buds that promotes further growth and indicates a close interaction of the immune response with the EMT-process. Increased peritumoral FOXP3+T-cell density is identified as an independent adverse prognostic factor in PDAC. Patients with phenotypically aggressive PDACs may profit from targeted immunotherapy against FOXP3.
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143
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Cancer Stem Cells and Macrophages: Implications in Tumor Biology and Therapeutic Strategies. Mediators Inflamm 2016; 2016:9012369. [PMID: 26980947 PMCID: PMC4769767 DOI: 10.1155/2016/9012369] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Accepted: 12/31/2015] [Indexed: 12/28/2022] Open
Abstract
Cancer stem cells (CSCs) are a unique subset of cells within tumors with stemlike properties that have been proposed to be key drivers of tumor initiation and progression. CSCs are functionally defined by their unlimited self-renewal capacity and their ability to initiate tumor formation in vivo. Like normal stem cells, CSCs exist in a cellular niche comprised of numerous cell types including tumor-associated macrophages (TAMs) which provides a unique microenvironment to protect and promote CSC functions. TAMs provide pivotal signals to promote CSC survival, self-renewal, maintenance, and migratory ability, and in turn, CSCs deliver tumor-promoting cues to TAMs that further enhance tumorigenesis. Studies in the last decade have aimed to understand the molecular mediators of CSCs and TAMs, and recent advances have begun to elucidate the complex cross talk that occurs between these two cell types. In this review, we discuss the molecular interactions that define CSC-TAM cross talk at each stage of tumor progression and examine the clinical implications of targeting these interactions.
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Abstract
The two biological mechanisms that determine types of malignancy are infiltration and metastasis, for which tumour microenvironment plays a key role in developing and establishing the morphology, growth and invasiveness of a malignancy. The microenvironment is formed by complex tissue containing the extracellular matrix, tumour and non-tumour cells, a signalling network of cytokines, chemokines, growth factors, and proteases that control autocrine and paracrine communication among individual cells, facilitating tumour progression. During the development of the primary tumour, the tumour stroma and continuous genetic changes within the cells makes it possible for them to migrate, having to count on a pre-metastatic niche receptor that allows the tumour’s survival and distant growth. These niches are induced by factors produced by the primary tumour; if it is eradicated, the active niches become responsible for activating the latent disseminated cells. Due to the importance of these mechanisms, the strategies that develop tumour cells during tumour progression and the way in which the microenvironment influences the formation of metastasis are reviewed. It also suggests that the metastatic niche can be an ideal target for new treatments that make controlling metastasis possible.
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Affiliation(s)
- Francisco Arvelo
- Centro de Biociencias, Fundación Instituto de Estudios Avanzado [IDEA], Caracas 1015-A, Venezuela, Apartado 17606, Caracas 1015-A, Venezuela; Laboratorio de Cultivo de Tejidos y Biología de Tumores, Instituto de Biología Experimental, Universidad Central de Venezuela, Apartado 47114, Caracas, 1041-A, Venezuela
| | - Felipe Sojo
- Centro de Biociencias, Fundación Instituto de Estudios Avanzado [IDEA], Caracas 1015-A, Venezuela, Apartado 17606, Caracas 1015-A, Venezuela; Laboratorio de Cultivo de Tejidos y Biología de Tumores, Instituto de Biología Experimental, Universidad Central de Venezuela, Apartado 47114, Caracas, 1041-A, Venezuela
| | - Carlos Cotte
- Laboratorio de Cultivo de Tejidos y Biología de Tumores, Instituto de Biología Experimental, Universidad Central de Venezuela, Apartado 47114, Caracas, 1041-A, Venezuela
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145
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Hu Y, He MY, Zhu LF, Yang CC, Zhou ML, Wang Q, Zhang W, Zheng YY, Wang DM, Xu ZQ, Wu YN, Liu LK. Tumor-associated macrophages correlate with the clinicopathological features and poor outcomes via inducing epithelial to mesenchymal transition in oral squamous cell carcinoma. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2016; 35:12. [PMID: 26769084 PMCID: PMC4714460 DOI: 10.1186/s13046-015-0281-z] [Citation(s) in RCA: 137] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Accepted: 12/30/2015] [Indexed: 01/05/2023]
Abstract
Background Both tumor-associated macrophages (TAMs) and the epithelial to mesenchymal transition (EMT) of cancer cells play key roles in promoting tumor progression. However, whether TAMs could induce EMT in the progression of oral squamous cell carcinoma (OSCC) remains undefined. Results Here we detected the expression of macrophages markers CD68 and CD163, epithelial marker E-cadherin and mesenchymal marker vimentin in 127 OSCC patients by using semi-quantitative immunohistochemistry. CD68 and CD163 expression was not confined to the infiltrating TAMs, but also detected in cancer cells. The high number of CD68-positive macrophages was correlated with poor overall survival. Meanwhile, the expression of CD163 both in macrophages and in cancer cells was associated with poor overall survival and had a significant prognostic impact in OSCC. Importantly, the expression of CD163 in cancer cells had a significant relationship with E-cadherin and vimentin. Furthermore, the incubation of TAMs conditioned medium resulted in a fibroblast-like appearance of cancer cells (HN4, HN6 and SCC9) together with the decreased/increased expression of E-cadherin/ vimentin, which were correlated with the enhanced ability of migration and invasion. Conclusions Our results indicate that TAMs could promote the EMT of cancer cells, thereby leading to the progression of oral cancer.
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Affiliation(s)
- Yong Hu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China. .,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Postal#210029 136# Hanzhong Road, Nanjing, Jiangsu, the People's Republic of China. .,Department of Stomatology, Suzhou Kowloon Hospital Shanghai Jiaotong University Medical School, Suzhou, People's Republic of China.
| | - Meng-Ying He
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China. .,Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Postal#210029 136# Hanzhong Road, Nanjing, Jiangsu, the People's Republic of China.
| | - Li-Fang Zhu
- Department of Stomatology, The First Affiliated Hospital of Soochow University, Suzhou, People's Republic of China.
| | - Cong-Chong Yang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China. .,Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Postal#210029 136# Hanzhong Road, Nanjing, Jiangsu, the People's Republic of China.
| | - Mei-Ling Zhou
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China. .,Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Postal#210029 136# Hanzhong Road, Nanjing, Jiangsu, the People's Republic of China.
| | - Qiong Wang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China. .,Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Postal#210029 136# Hanzhong Road, Nanjing, Jiangsu, the People's Republic of China.
| | - Wei Zhang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China. .,Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Postal#210029 136# Hanzhong Road, Nanjing, Jiangsu, the People's Republic of China.
| | - Yang-Yu Zheng
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China. .,Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Postal#210029 136# Hanzhong Road, Nanjing, Jiangsu, the People's Republic of China.
| | - Dong-Miao Wang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China. .,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Postal#210029 136# Hanzhong Road, Nanjing, Jiangsu, the People's Republic of China.
| | - Zeng-Qi Xu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China. .,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Postal#210029 136# Hanzhong Road, Nanjing, Jiangsu, the People's Republic of China.
| | - Yu-Nong Wu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China. .,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Postal#210029 136# Hanzhong Road, Nanjing, Jiangsu, the People's Republic of China.
| | - Lai-Kui Liu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China. .,Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Postal#210029 136# Hanzhong Road, Nanjing, Jiangsu, the People's Republic of China.
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Cejudo-Martin P, Kucharova K, Stallcup WB. Role of NG2 proteoglycan in macrophage recruitment to brain tumors and sites of CNS demyelination. TRENDS IN CELL & MOLECULAR BIOLOGY 2016; 11:55-65. [PMID: 28603398 PMCID: PMC5464760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Macrophage infiltration is a factor in most if not all inflammatory pathologies. Understanding molecular interactions that underlie this process is therefore important for our ability to modulate macrophage behavior for therapeutic purposes. Our studies show that cell surface expression of the nerveglial antigen 2 (NG2) proteoglycan is important for the ability of macrophages to colonize both brain tumors and sites of central nervous system (CNS) demyelination. Myeloid-specific ablation of NG2 using LysM-Cre deleter mice results in large decreases in macrophage abundance in both an intracranial melanoma model and a lysolecithin model of spinal cord demyelination. In the melanoma model, decreased macrophage recruitment in the NG2 null mice leads to diminished tumor growth. In line with observations in the literature, this phenomenon is based in part on deficits in tumor vascularization that result from loss of pericyte interaction with endothelial cells in the absence of a macrophage-derived factor(s). In the demyelination model, decreased macrophage infiltration in the NG2 null mice is associated with an initial reduction in lesion size, but nevertheless also with deficits in repair of the lesion. Diminished myelin repair is due not only to reduced clearance of myelin debris, but also to decreased proliferation/recruitment of oligodendrocyte progenitor cells in the absence of a macrophage-derived factor(s). Thus, in both models macrophages have secondary effects on other cell types that are important for progression of the specific pathology. Efforts are underway to identify mechanisms by which NG2 influences macrophage recruitment and by which macrophages signal to other cell types involved in the pathologies.
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Affiliation(s)
| | | | - William B. Stallcup
- Sanford Burnham Prebys Medical Discovery Institute, Cancer Center,
Tumor Microenvironment and Cancer Immunology Program, 10901 North Torrey Pines
Road, La Jolla, CA 92037, USA
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147
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Mycobacterium tuberculosis H37Rv infected THP-1 cells induce epithelial mesenchymal transition (EMT) in lung adenocarcinoma epithelial cell line (A549). Cell Immunol 2015; 300:33-40. [PMID: 26677761 DOI: 10.1016/j.cellimm.2015.11.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Revised: 11/23/2015] [Accepted: 11/27/2015] [Indexed: 12/13/2022]
Abstract
Chronic infections of Mycobacterium tuberculosis (MTB) cause oxidative stress, TLR activation and production of inflammatory cytokines and thus can create an environment reinforcing tumorigenesis, progression and metastasis. Epidemiological studies have established a relation between lung cancer and tuberculosis but cellular mechanism is still poorly understood. In present study, we have shown for the first time that MTB infection in human monocytic cell line (THP-1) enhances invasion and induces EMT characteristics in lung adenocarcinoma cell line (A549) during co-culture. After co-culture with MTB infected THP-1 cells A549 cells exhibited morphological and molecular signatures of EMT. During co-culture, expression of inflammatory cytokines like TNF-α, IL-1β and IL-6 was enhanced in the microenvironment of A549 cells in comparison to single culture of A549 cells. Using pharmacological inhibitors of JNK (SP-600125) and p38 MAPK (SB-203580), we demonstrated the involvement of JNK and p38 MAPK in MTB induced EMT induction in A549 cells. To the best of our knowledge this is the first report demonstrating the role of MTB infection in induction of metastasis associated EMT in lung cancer.
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148
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MelanA-negative spindle-cell associated melanoma, a distinct inflammatory phenotype correlated with dense infiltration of CD163 macrophages and loss of E-cadherin. Melanoma Res 2015; 25:113-8. [PMID: 25602697 DOI: 10.1097/cmr.0000000000000138] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
MelanA is a known melanocyte marker and is important in melanoma diagnostics. Some tumours, however, show loss of MelanA expression and may therefore be difficult to distinguish from tumours of mesenchymal origin. Pure spindle-cell melanoma is a rare event, and little is known about its biological background and prognosis. However, morphological changes towards a more mesenchymal shape and cellular dedifferentiation may correlate with reactivation of important developmental programmes (epithelial-to-mesenchymal transition) and disseminative tumour cell properties. Inflammation and CD163+ macrophages have been shown to be important inducers of E-cadherin and cell-to-cell adhesion loss, a pivotal and final event of epithelial-to-mesenchymal transition. In a cohort of 385 patients with melanoma, we located nine tumours with a clonal MelanA expression, defined as a tumour section with a distinct MelanA-negative clone next to a MelanA-positive clone. Interestingly, MelanA-negative clones correlated significantly with an augmented inflammatory response of tumour-infiltrating macrophages (CD163+), complete loss of E-cadherin and a spindle-shaped morphology, irrespective of ulcerated status. These cases show the inflammatory heterogeneity of melanoma, which may have important diagnostic, prognostic and therapeutic implications for the patients. We show that melanomas harbour cell clones that bear strong resemblance to tumour-associated macrophages, a pivotal player in a tumour-supporting microenvironment. Interestingly, this distinct inflammatory phenotype is associated with loss of MelanA expression, the presence of spindle-shape morphology and complete loss of E-cadherin, considered as possible markers of poorly differentiated and more invasive tumour cells.
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149
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Van Acker HH, Anguille S, Willemen Y, Smits EL, Van Tendeloo VF. Bisphosphonates for cancer treatment: Mechanisms of action and lessons from clinical trials. Pharmacol Ther 2015; 158:24-40. [PMID: 26617219 DOI: 10.1016/j.pharmthera.2015.11.008] [Citation(s) in RCA: 139] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
A growing body of evidence points toward an important anti-cancer effect of bisphosphonates, a group of inexpensive, safe, potent, and long-term stable pharmacologicals that are widely used as osteoporosis drugs. To date, they are already used in the prevention of complications of bone metastases. Because the bisphosphonates can also reduce mortality in among other multiple myeloma, breast, and prostate cancer patients, they are now thoroughly studied in oncology. In particular, the more potent nitrogen-containing bisphosphonates have the potential to improve prognosis. The first part of this review will elaborate on the direct and indirect anti-tumoral effects of bisphosphonates, including induction of tumor cell apoptosis, inhibition of tumor cell adhesion and invasion, anti-angiogenesis, synergism with anti-neoplastic drugs, and enhancement of immune surveillance (e.g., through activation of γδ T cells and targeting macrophages). In the second part, we shed light on the current clinical position of bisphosphonates in the treatment of hematological and solid malignancies, as well as on ongoing and completed clinical trials investigating the therapeutic effect of bisphosphonates in cancer. Based on these recent data, the role of bisphosphonates is expected to further expand in the near future outside the field of osteoporosis and to open up new avenues in the treatment of malignancies.
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Affiliation(s)
- Heleen H Van Acker
- Laboratory of Experimental Hematology, Tumor Immunology Group (TIGR), Faculty of Medicine and Health Sciences, Vaccine and Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium.
| | - Sébastien Anguille
- Laboratory of Experimental Hematology, Tumor Immunology Group (TIGR), Faculty of Medicine and Health Sciences, Vaccine and Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium; Center for Cell Therapy and Regenerative Medicine, Antwerp University Hospital, Edegem, Belgium
| | - Yannick Willemen
- Laboratory of Experimental Hematology, Tumor Immunology Group (TIGR), Faculty of Medicine and Health Sciences, Vaccine and Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium
| | - Evelien L Smits
- Laboratory of Experimental Hematology, Tumor Immunology Group (TIGR), Faculty of Medicine and Health Sciences, Vaccine and Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium; Center for Cell Therapy and Regenerative Medicine, Antwerp University Hospital, Edegem, Belgium; Center for Oncological Research (CORE), Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Viggo F Van Tendeloo
- Laboratory of Experimental Hematology, Tumor Immunology Group (TIGR), Faculty of Medicine and Health Sciences, Vaccine and Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium
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Pein M, Oskarsson T. Microenvironment in metastasis: roadblocks and supportive niches. Am J Physiol Cell Physiol 2015; 309:C627-38. [DOI: 10.1152/ajpcell.00145.2015] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In many cancers, malignant cells can spread from the primary tumor through blood circulation and initiate metastasis in secondary organs. Metastatic colonization may depend not only on inherent properties of cancer cells, but also on suitable microenvironments in distant sites. Increasing evidence suggests that the nature of the microenvironment may determine the fate of disseminated cancer cells, providing either hindrance or support for cancer cell propagation. This can result in strong selective pressure where the vast majority of cancer cells, invading a secondary organ, are either eliminated or maintained in a dormant state. The ability of cancer cells to fend off or circumvent anti-metastatic signals from the stroma and the capacity to manipulate the local microenvironment towards a supporting environment, a metastatic niche, may be essential for metastatic growth. The molecular interactions between cancer cells and the stroma are still enigmatic, but recent studies are beginning to reveal their nature. Here, we discuss the interactive relationship between metastatic cancer cells and host stroma, involving selection and adaptation of metastasis-initiating cells and host tissue remodeling. Understanding the dynamic and continuously evolving cross talk between metastatic cancer cells and the stroma may be crucial when developing cancer treatments.
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Affiliation(s)
- Maren Pein
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- Cell Biology and Tumor Biology Program, German Cancer Research Center (DKFZ), Heidelberg, Germany; and
| | - Thordur Oskarsson
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- Cell Biology and Tumor Biology Program, German Cancer Research Center (DKFZ), Heidelberg, Germany; and
- German Cancer Consortium (DKTK), Heidelberg, Germany
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