1
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Rannikko JH, Hollmén M. Clinical landscape of macrophage-reprogramming cancer immunotherapies. Br J Cancer 2024:10.1038/s41416-024-02715-6. [PMID: 38831013 DOI: 10.1038/s41416-024-02715-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 05/03/2024] [Accepted: 05/08/2024] [Indexed: 06/05/2024] Open
Abstract
Tumour-associated macrophages (TAMs) sustain a tumour-supporting and immunosuppressive milieu and therefore aggravate cancer prognosis. To modify TAM behaviour and unlock their anti-tumoural potential, novel TAM-reprogramming immunotherapies are being developed at an accelerating rate. At the same time, scientific discoveries have highlighted more sophisticated TAM phenotypes with complex biological functions and contradictory prognostic associations. To understand the evolving clinical landscape, we reviewed current and past clinically evaluated TAM-reprogramming cancer therapeutics and summarised almost 200 TAM-reprogramming agents investigated in more than 700 clinical trials. Observable overall trends include a high frequency of overlapping strategies against the same therapeutic targets, development of more complex strategies to improve previously ineffective approaches and reliance on combinatory strategies for efficacy. However, strong anti-tumour efficacy is uncommon, which encourages re-directing efforts on identifying biomarkers for eligible patient populations and comparing similar treatments earlier. Future endeavours will benefit from considering the shortcomings of past treatment strategies and accommodating the emerging complexity of TAM biology.
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Affiliation(s)
- Jenna H Rannikko
- MediCity Research Laboratory and InFLAMES Flagship, University of Turku, Turku, Finland
- Turku Doctoral Program of Molecular Medicine, University of Turku, Turku, Finland
| | - Maija Hollmén
- MediCity Research Laboratory and InFLAMES Flagship, University of Turku, Turku, Finland.
- Faron Pharmaceuticals Ltd, Turku, Finland.
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2
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Blériot C, Dunsmore G, Alonso-Curbelo D, Ginhoux F. A temporal perspective for tumor-associated macrophage identities and functions. Cancer Cell 2024; 42:747-758. [PMID: 38670090 DOI: 10.1016/j.ccell.2024.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 02/13/2024] [Accepted: 04/04/2024] [Indexed: 04/28/2024]
Abstract
Cancer is a progressive disease that can develop and evolve over decades, with inflammation playing a central role at each of its stages, from tumor initiation to metastasis. In this context, macrophages represent well-established bridges reciprocally linking inflammation and cancer via an array of diverse functions that have spurred efforts to classify them into subtypes. Here, we discuss the intertwines between macrophages, inflammation, and cancer with an emphasis on temporal dynamics of macrophage diversity and functions in pre-malignancy and cancer. By instilling temporal dynamism into the more static classic view of tumor-associated macrophage biology, we propose a new framework to better contextualize their significance in the inflammatory processes that precede and result from the onset of cancer and shape its evolution.
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Affiliation(s)
- Camille Blériot
- Gustave Roussy, INSERM, Villejuif, France; Institut Necker des Enfants Malades (INEM), INSERM, CNRS, Université Paris Cité, Paris, France
| | | | - Direna Alonso-Curbelo
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain.
| | - Florent Ginhoux
- Gustave Roussy, INSERM, Villejuif, France; Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A∗STAR), Singapore, Singapore; Shanghai Institute of Immunology, Shanghai JiaoTong University School of Medicine, Shanghai, China; Translational Immunology Institute, SingHealth Duke-NUS, Singapore, Singapore.
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3
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Armando F, Porcellato I, de Paolis L, Mecocci S, Passeri B, Ciurkiewicz M, Mechelli L, Grazia De Ciucis C, Pezzolato M, Fruscione F, Brachelente C, Montemurro V, Cappelli K, Puff C, Baumgärtner W, Ghelardi A, Razzuoli E. Vulvo-vaginal epithelial tumors in mares: A preliminary investigation on epithelial-mesenchymal transition and tumor-immune microenvironment. Vet Pathol 2024; 61:366-381. [PMID: 37909398 DOI: 10.1177/03009858231207025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
Vulvo-vaginal epithelial tumors are uncommon in mares, and data on the epithelial-to-mesenchymal transition (EMT) and the tumor-immune microenvironment (TIME) are still lacking. This is a study investigating the equus caballus papillomavirus type 2 (EcPV2) infection state as well as the EMT process and the tumor microenvironment in vulvo-vaginal preneoplastic/ benign (8/22) or malignant (14/22) epithelial lesions in mares. To do this, histopathological, immunohistochemical, transcriptomic, in situ hybridization, and correlation analyses were carried out. Immunohistochemistry quantification showed that cytoplasmic E-cadherin and β-catenin expression as well as nuclear β-catenin expression were features of malignant lesions, while benign/preneoplastic lesions were mainly characterized by membranous E-cadherin and β-catenin expression. Despite this, there were no differences between benign and malignant equine vulvo-vaginal lesions in the expression of downstream genes involved in the canonical and noncanonical wnt/β-catenin pathways. In addition, malignant lesions were characterized by a lower number of cells with cytoplasmic cytokeratin expression as well as a slightly higher cytoplasmic vimentin immunolabeling. The TIME of malignant lesions was characterized by more numerous CD204+ M2-polarized macrophages. Altogether, our results support the hypothesis that some actors in TIME such as CD204+ M2-polarized macrophages may favor the EMT process in equine vulvo-vaginal malignant lesions providing new insights for future investigations in the field of equine EcPV2-induced genital neoplastic lesions.
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Affiliation(s)
| | | | - Livia de Paolis
- University of Perugia, Perugia, Italy
- Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle D'Aosta, Genova, Italy
| | | | | | | | | | - Chiara Grazia De Ciucis
- Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle D'Aosta, Genova, Italy
- University of Pavia, Pavia, Italy
| | - Marzia Pezzolato
- Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle D'Aosta, Genova, Italy
| | - Floriana Fruscione
- Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle D'Aosta, Genova, Italy
| | | | - Vittoria Montemurro
- Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle D'Aosta, Genova, Italy
| | | | - Christina Puff
- University of Veterinary Medicine Hannover, Hannover, Germany
| | | | | | - Elisabetta Razzuoli
- Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle D'Aosta, Genova, Italy
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4
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Singh D, Siddique HR. Epithelial-to-mesenchymal transition in cancer progression: unraveling the immunosuppressive module driving therapy resistance. Cancer Metastasis Rev 2024; 43:155-173. [PMID: 37775641 DOI: 10.1007/s10555-023-10141-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 09/21/2023] [Indexed: 10/01/2023]
Abstract
Cancer cells undergo phenotypic switching (cancer cell plasticity) in response to microenvironmental cues, including exposure to therapy/treatment. Phenotypic plasticity enables the cancer cells to acquire more mesenchymal traits promoting cancer cells' growth, survival, therapy resistance, and disease recurrence. A significant program in cancer cell plasticity is epithelial-to-mesenchymal transition (EMT), wherein a comprehensive reprogramming of gene expression occurs to facilitate the translational shift from epithelial-to-mesenchymal phenotypes resulting in increased invasiveness and metastasis. In addition, EMT plays a pivotal role in facilitating cancer cells' escape from the body's immune system using several mechanisms, such as the downregulation of major histocompatibility complex-mediated antigen presentation, upregulation of immune checkpoint molecules, and recruitment of immune-suppressive cells. Cancer cells' ability to undergo phenotypic switching and EMT-driven immune escape presents a formidable obstacle in cancer management, highlighting the need to unravel the intricate mechanisms underlying these processes and develop novel therapeutic strategies. This article discusses the role of EMT in promoting immune evasion and therapy resistance. We also discuss the ongoing research on developing therapeutic approaches targeting intrinsic and induced cell plasticity within the immune suppressive microenvironment. We believe this review article will update the current research status and equip researchers, clinicians, and other healthcare professionals with valuable insights enhancing their existing knowledge and shedding light on promising directions for future cancer research. This will facilitate the development of innovative strategies for managing therapy-resistant cancers and improving patient outcomes.
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Affiliation(s)
- Deepti Singh
- Molecular Cancer Genetics & Translational Research Lab, Section of Genetics, Department of Zoology, Aligarh Muslim University, Aligarh, 202002, India
| | - Hifzur R Siddique
- Molecular Cancer Genetics & Translational Research Lab, Section of Genetics, Department of Zoology, Aligarh Muslim University, Aligarh, 202002, India.
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5
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Zhao W, Kepecs B, Mahadevan NR, Segerstolpe A, Weirather JL, Besson NR, Giotti B, Soong BY, Li C, Vigneau S, Slyper M, Wakiro I, Jane-Valbuena J, Ashenberg O, Rotem A, Bueno R, Rozenblatt-Rosen O, Pfaff K, Rodig S, Hata AN, Regev A, Johnson BE, Tsankov AM. A cellular and spatial atlas of TP53 -associated tissue remodeling in lung adenocarcinoma. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.06.28.546977. [PMID: 37425718 PMCID: PMC10327017 DOI: 10.1101/2023.06.28.546977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/11/2023]
Abstract
TP53 is the most frequently mutated gene across many cancers and is associated with shorter survival in lung adenocarcinoma (LUAD). To define how TP53 mutations affect the LUAD tumor microenvironment (TME), we constructed a multi-omic cellular and spatial tumor atlas of 23 treatment-naïve human lung tumors. We found that TP53 -mutant ( TP53 mut ) malignant cells lose alveolar identity and upregulate highly proliferative and entropic gene expression programs consistently across resectable LUAD patient tumors, genetically engineered mouse models, and cell lines harboring a wide spectrum of TP53 mutations. We further identified a multicellular tumor niche composed of SPP1 + macrophages and collagen-expressing fibroblasts that coincides with hypoxic, pro-metastatic expression programs in TP53 mut tumors. Spatially correlated angiostatic and immune checkpoint interactions, including CD274 - PDCD1 and PVR - TIGIT , are also enriched in TP53 mut LUAD tumors, which may influence response to checkpoint blockade therapy. Our methodology can be further applied to investigate mutation-specific TME changes in other cancers.
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6
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Zhang W, Dong J. Suppressing epithelial-mesenchymal-transition blue light therapy for reducing macrophage-mediated cancerous pulmonary fibrosis: An in-vitro study. JOURNAL OF BIOPHOTONICS 2023; 16:e202300253. [PMID: 37589213 DOI: 10.1002/jbio.202300253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/09/2023] [Accepted: 08/09/2023] [Indexed: 08/18/2023]
Abstract
Lung cancer is the leading killer among all types of cancer globally. As a key factor, epithelial-mesenchymal transition (EMT) plays a crucial role in pathological fibrosis and lung cancer metastasis. This study endeavors to investigate the effect of blue light at specific wavelengths of 405 nm and 415 nm (54 J/cm2 ) on EMT induced by TGF-β1 in A549 cells. The results revealed that the blue light irradiation reduced the morphological characteristics of EMT in the A549 cells, and cell-to-cell connections were weakened significantly. Molecular analysis showed upregulation of epithelial marker E-cadherin and downregulation of EMT marker vimentin. Additionally, exposure to blue light irradiation at 405 nm and 415 nm significantly decelerated the ability of invasion and migration. Moreover, cell viability was also investigated. Based on these findings, blue light can serve as a useful therapeutic option for inhibiting EMT in cases of lung cancer and fibrotic lung disease.
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Affiliation(s)
- Wenjun Zhang
- School of Biomedical Engineering (Suzhou), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, China
| | - Jianfei Dong
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, China
- School of Future Science and Engineering, Soochow University, Suzhou, China
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7
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Tajaldini M, Poorkhani A, Amiriani T, Amiriani A, Javid H, Aref P, Ahmadi F, Sadani S, Khori V. Strategy of targeting the tumor microenvironment via inhibition of fibroblast/fibrosis remodeling new era to cancer chemo-immunotherapy resistance. Eur J Pharmacol 2023; 957:175991. [PMID: 37619785 DOI: 10.1016/j.ejphar.2023.175991] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 08/02/2023] [Accepted: 08/10/2023] [Indexed: 08/26/2023]
Abstract
The use of repurposing drugs that may have neoplastic and anticancer effects increases the efficiency and decrease resistance to chemotherapy drugs through a biochemical and mechanical transduction mechanisms through modulation of fibroblast/fibrosis remodeling in tumor microenvironment (TME). Interestingly, fibroblast/fibrosis remodeling plays a vital role in mediating cancer metastasis and drug resistance after immune chemotherapy. The most essential hypothesis for induction of chemo-immunotherapy resistance is via activation of fibroblast/fibrosis remodeling and preventing the infiltration of T cells after is mainly due to the interference between cytoskeleton, mechanical, biochemical, metabolic, vascular, and remodeling signaling pathways in TME. The structural components of the tumor that can be targeted in the fibroblast/fibrosis remodeling include the depletion of the TME components, targeting the cancer-associated fibroblasts and tumor associated macrophages, alleviating the mechanical stress within the ECM, and normalizing the blood vessels. It has also been found that during immune-chemotherapy, TME injury and fibroblast/fibrosis remodeling causes the up-regulation of inhibitory signals and down-regulation of activated signals, which results in immune escape or chemo-resistance of the tumor. In this regard, repurposing or neo-adjuvant drugs with various transduction signaling mechanisms, including anti-fibrotic effects, are used to target the TME and fibroblast/fibrosis signaling pathway such as angiotensin 2, transforming growth factor-beta, physical barriers of the TME, cytokines and metabolic factors which finally led to the reverse of the chemo-resistance. Consistent to many repurposing drugs such as pirfenidone, metformin, losartan, tranilast, dexamethasone and pentoxifylline are used to decrease immune-suppression by abrogation of TME inhibitory signal that stimulates the immune system and increases efficiency and reduces resistance to chemotherapy drugs. To overcome immunosuppression based on fibroblast/fibrosis remodeling, in this review, we focus on inhibitory signal transduction, which is the physical barrier, alleviates mechanical stress and prevents mechano-metabolic activation.
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Affiliation(s)
- Mahboubeh Tajaldini
- Ischemic Disorder Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Amirhoushang Poorkhani
- Ischemic Disorder Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Taghi Amiriani
- Ischemic Disorder Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Amirhossein Amiriani
- Ischemic Disorder Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Hossein Javid
- Department of Medical Laboratory Sciencess, Catastega Institue of Medical Sciences, Mashhad, Iran
| | - Parham Aref
- Ischemic Disorder Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Farahnazsadat Ahmadi
- Ischemic Disorder Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Somayeh Sadani
- Ischemic Disorder Research Center, Golestan University of Medical Sciences, Gorgan, Iran.
| | - Vahid Khori
- Ischemic Disorder Research Center, Golestan University of Medical Sciences, Gorgan, Iran.
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8
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Li K, Zeng X, Liu P, Zeng X, Lv J, Qiu S, Zhang P. The Role of Inflammation-Associated Factors in Head and Neck Squamous Cell Carcinoma. J Inflamm Res 2023; 16:4301-4315. [PMID: 37791117 PMCID: PMC10544098 DOI: 10.2147/jir.s428358] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 09/16/2023] [Indexed: 10/05/2023] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC), which originates in the head or neck tissues, is characterized by high rates of recurrence and metastasis. Inflammation is important in HNSCC prognosis. Inflammatory cells and their secreted factors contribute to the various stages of HNSCC development through multiple mechanisms. In this review, the mechanisms through which inflammatory factors, signaling pathways, and cells contribute to the initiation and progression of HNSCC have been discussed in detail. Furthermore, the diagnostic and therapeutic potential of targeting inflammation in HNSCC has been discussed to gain new insights into improving patient prognosis.
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Affiliation(s)
- Kang Li
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, Guangdong, People’s Republic of China
- Department of Otorhinolaryngology, Longgang Otorhinolaryngology Hospital & Shenzhen Key Laboratory of Otorhinolaryngology, Shenzhen Institute of Otorhinolaryngology, Shenzhen, Guangdong, People’s Republic of China
| | - Xianhai Zeng
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, Guangdong, People’s Republic of China
- Department of Otorhinolaryngology, Longgang Otorhinolaryngology Hospital & Shenzhen Key Laboratory of Otorhinolaryngology, Shenzhen Institute of Otorhinolaryngology, Shenzhen, Guangdong, People’s Republic of China
| | - Peng Liu
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, Guangdong, People’s Republic of China
- Department of Otorhinolaryngology, Longgang Otorhinolaryngology Hospital & Shenzhen Key Laboratory of Otorhinolaryngology, Shenzhen Institute of Otorhinolaryngology, Shenzhen, Guangdong, People’s Republic of China
| | - Xiaoxia Zeng
- Department of Otorhinolaryngology, Longgang Otorhinolaryngology Hospital & Shenzhen Key Laboratory of Otorhinolaryngology, Shenzhen Institute of Otorhinolaryngology, Shenzhen, Guangdong, People’s Republic of China
| | - Jie Lv
- School of Computer Science and Engineering, Yulin Normal University, Yulin, Guangxi, People’s Republic of China
| | - Shuqi Qiu
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, Guangdong, People’s Republic of China
- Department of Otorhinolaryngology, Longgang Otorhinolaryngology Hospital & Shenzhen Key Laboratory of Otorhinolaryngology, Shenzhen Institute of Otorhinolaryngology, Shenzhen, Guangdong, People’s Republic of China
| | - Peng Zhang
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, Guangdong, People’s Republic of China
- Department of Otorhinolaryngology, Longgang Otorhinolaryngology Hospital & Shenzhen Key Laboratory of Otorhinolaryngology, Shenzhen Institute of Otorhinolaryngology, Shenzhen, Guangdong, People’s Republic of China
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9
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Bied M, Ho WW, Ginhoux F, Blériot C. Roles of macrophages in tumor development: a spatiotemporal perspective. Cell Mol Immunol 2023; 20:983-992. [PMID: 37429944 PMCID: PMC10468537 DOI: 10.1038/s41423-023-01061-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 06/16/2023] [Indexed: 07/12/2023] Open
Abstract
Macrophages are critical regulators of tissue homeostasis but are also abundant in the tumor microenvironment (TME). In both primary tumors and metastases, such tumor-associated macrophages (TAMs) seem to support tumor development. While we know that TAMs are the dominant immune cells in the TME, their vast heterogeneity and associated functions are only just being unraveled. In this review, we outline the various known TAM populations found thus far and delineate their specialized roles associated with the main stages of cancer progression. We discuss how macrophages may prime the premetastatic niche to enable the growth of a metastasis and then how subsequent metastasis-associated macrophages can support secondary tumor growth. Finally, we speculate on the challenges that remain to be overcome in TAM research.
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Affiliation(s)
- Mathilde Bied
- Institut Gustave Roussy, INSERM U1015, Villejuif, France
| | - William W Ho
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A∗STAR), Singapore, Singapore
| | - Florent Ginhoux
- Institut Gustave Roussy, INSERM U1015, Villejuif, France.
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A∗STAR), Singapore, Singapore.
- Shanghai Institute of Immunology, Shanghai JiaoTong University School of Medicine, Shanghai, China.
- Translational Immunology Institute, SingHealth Duke-NUS, Singapore, Singapore.
| | - Camille Blériot
- Institut Gustave Roussy, INSERM U1015, Villejuif, France.
- Institut Necker des Enfants Malades, INSERM, CNRS, Université Paris Cité, Paris, France.
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10
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Cheng D, Ge K, Yao X, Wang B, Chen R, Zhao W, Fang C, Ji M. Tumor-associated macrophages mediate resistance of EGFR-TKIs in non-small cell lung cancer: mechanisms and prospects. Front Immunol 2023; 14:1209947. [PMID: 37649478 PMCID: PMC10463184 DOI: 10.3389/fimmu.2023.1209947] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 07/31/2023] [Indexed: 09/01/2023] Open
Abstract
Epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) are the first-line standard treatment for advanced non-small cell lung cancer (NSCLC) with EGFR mutation. However, resistance to EGFR-TKIs is inevitable. Currently, most studies on the mechanism of EGFR-TKIs resistance mainly focus on the spontaneous resistance phenotype of NSCLC cells. Studies have shown that the tumor microenvironment (TME) also mediates EGFR-TKIs resistance in NSCLC. Tumor-associated macrophages (TAMs), one of the central immune cells in the TME of NSCLC, play an essential role in mediating EGFR-TKIs resistance. This study aims to comprehensively review the current mechanisms underlying TAM-mediated resistance to EGFR-TKIs and discuss the potential efficacy of combining EGFR-TKIs with targeted TAMs therapy. Combining EGFR-TKIs with TAMs targeting may improve the prognosis of NSCLC with EGFR mutation to some extent.
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Affiliation(s)
| | | | | | | | | | | | - Cheng Fang
- Departments of Oncology, the Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Mei Ji
- Departments of Oncology, the Third Affiliated Hospital of Soochow University, Changzhou, China
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11
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Ma H, Zhang Z, Hu Q, Chen H, Wu G, Zhou Y, Xue Q. Shedding light on macrophage immunotherapy in lung cancer. J Cancer Res Clin Oncol 2023; 149:8143-8152. [PMID: 37052632 DOI: 10.1007/s00432-023-04740-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 04/02/2023] [Indexed: 04/14/2023]
Abstract
The search for therapeutic options for lung cancer continues to advance, with rapid advances in the search for therapies to improve patient prognosis. At present, systemic chemotherapy, immune checkpoint inhibitor therapy, antiangiogenic therapy, and targeted therapy for driver gene positivity are available in the clinic. Common clinical treatments fail to achieve desired outcomes due to immunosuppression of the tumor microenvironment (TME). Tumor immune evasion is mediated by cytokines, chemokines, immune cells, and other cells such as vascular endothelial cells within the tumor immune microenvironment. Tumor-associated macrophages (TAMs) are important immune cells in the TME, inducing tumor angiogenesis, encouraging tumor cell proliferation and migration, and suppressing antitumor immune responses. Thus, TAM targeting becomes the key to lung cancer immunotherapy. This review focuses on macrophage phenotype, polarization mechanism, role in lung cancer, and advances in macrophage centric immunotherapies.
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Affiliation(s)
- Huiyun Ma
- Department of Cardiothoracic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, China
| | - Zhouwei Zhang
- Department of Cardiothoracic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, China
| | - Qin Hu
- Department of Cardiothoracic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, China
| | - Hongyu Chen
- Department of Cardiothoracic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, China
| | - Gujie Wu
- Department of Cardiothoracic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, China
| | - Youlang Zhou
- Research Central of Clinical Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, China.
| | - Qun Xue
- Department of Cardiothoracic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, China.
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12
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Waryah C, Alves E, Mazzieri R, Dolcetti R, Thompson EW, Redfern A, Blancafort P. Unpacking the Complexity of Epithelial Plasticity: From Master Regulator Transcription Factors to Non-Coding RNAs. Cancers (Basel) 2023; 15:3152. [PMID: 37370762 DOI: 10.3390/cancers15123152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 06/09/2023] [Accepted: 06/10/2023] [Indexed: 06/29/2023] Open
Abstract
Cellular plasticity in cancer enables adaptation to selective pressures and stress imposed by the tumor microenvironment. This plasticity facilitates the remodeling of cancer cell phenotype and function (such as tumor stemness, metastasis, chemo/radio resistance), and the reprogramming of the surrounding tumor microenvironment to enable immune evasion. Epithelial plasticity is one form of cellular plasticity, which is intrinsically linked with epithelial-mesenchymal transition (EMT). Traditionally, EMT has been regarded as a binary state. Yet, increasing evidence suggests that EMT involves a spectrum of quasi-epithelial and quasi-mesenchymal phenotypes governed by complex interactions between cellular metabolism, transcriptome regulation, and epigenetic mechanisms. Herein, we review the complex cross-talk between the different layers of epithelial plasticity in cancer, encompassing the core layer of transcription factors, their interacting epigenetic modifiers and non-coding RNAs, and the manipulation of cancer immunogenicity in transitioning between epithelial and mesenchymal states. In examining these factors, we provide insights into promising therapeutic avenues and potential anti-cancer targets.
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Affiliation(s)
- Charlene Waryah
- Cancer Epigenetics Group, Harry Perkins Institute of Medical Research, Perth, WA 6009, Australia
- School of Human Sciences, University of Western Australia, Perth, WA 6009, Australia
| | - Eric Alves
- Cancer Epigenetics Group, Harry Perkins Institute of Medical Research, Perth, WA 6009, Australia
- School of Human Sciences, University of Western Australia, Perth, WA 6009, Australia
| | - Roberta Mazzieri
- Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, VIC 3010, Australia
| | - Riccardo Dolcetti
- Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, VIC 3010, Australia
- Department of Microbiology and Immunology, The University of Melbourne, Melbourne, VIC 3010, Australia
| | - Erik W Thompson
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD 4059, Australia
- Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Andrew Redfern
- School of Medicine, University of Western Australia, Perth, WA 6009, Australia
| | - Pilar Blancafort
- Cancer Epigenetics Group, Harry Perkins Institute of Medical Research, Perth, WA 6009, Australia
- School of Human Sciences, University of Western Australia, Perth, WA 6009, Australia
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13
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Deng Y, Fu Y, Chua SL, Khoo BL. Biofilm Potentiates Cancer-Promoting Effects of Tumor-Associated Macrophages in a 3D Multi-Faceted Tumor Model. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205904. [PMID: 36748304 DOI: 10.1002/smll.202205904] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 01/01/2023] [Indexed: 05/11/2023]
Abstract
Components of the tumor microenvironment (TME), such as tumor-associated macrophages (TAMs), influence tumor progression. The specific polarization and phenotypic transition of TAMs in the tumor microenvironment lead to two-pronged impacts that can promote or hinder cancer development and treatment. Here, a novel microfluidic multi-faceted bladder tumor model (TAMPIEB ) is developed incorporating TAMs and cancer cells to evaluate the impact of bacterial distribution on immunomodulation within the tumor microenvironment in vivo. It is demonstrated for the first time that biofilm-induced inflammatory conditions within tumors promote the transition of macrophages from a pro-inflammatory M1-like to an anti-inflammatory/pro-tumor M2-like state. Consequently, multiple roles and mechanisms by which biofilms promote cancer by inducing pro-tumor phenotypic switch of TAMs are identified, including cancer hallmarks such as reducing susceptibility to apoptosis, enhancing cell viability, and promoting epithelial-mesenchymal transition and metastasis. Furthermore, biofilms formed by extratumoral bacteria can shield tumors from immune attack by TAMs, which can be visualized through various imaging assays in situ. The study sheds light on the underlying mechanism of biofilm-mediated inflammation on tumor progression and provides new insights into combined anti-biofilm therapy and immunotherapy strategies in clinical trials.
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Affiliation(s)
- Yanlin Deng
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Yatian Fu
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, 999077, Hong Kong
- Hong Kong Center for Cerebro-Cardiovascular Health Engineering (COCHE), Kowloon, 999077, Hong Kong
| | - Song Lin Chua
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, Kowloon, 999077, China
- State Key Laboratory of Chemical Biology and Drug Discovery, The Hong Kong Polytechnic University, Hong Kong SAR, Kowloon, 999077, China
- Shenzhen Key Laboratory of Food Biological Safety Control, Kowloon, 999077, Hong Kong
- Research Centre for Deep Space Explorations (RCDSE), The Hong Kong Polytechnic University, Hong Kong SAR, Kowloon, 999077, China
| | - Bee Luan Khoo
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, 999077, Hong Kong
- Hong Kong Center for Cerebro-Cardiovascular Health Engineering (COCHE), Kowloon, 999077, Hong Kong
- Department of Precision Diagnostic and Therapeutic Technology, City University of Hong Kong Shenzhen-Futian Research Institute, Shenzhen, 518057, China
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14
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Kurdi M, Mulla N, Malibary H, Bamaga AK, Fadul MM, Faizo E, Hakamy S, Baeesa S. Immune microenvironment of medulloblastoma: The association between its molecular subgroups and potential targeted immunotherapeutic receptors. World J Clin Oncol 2023; 14:117-130. [PMID: 37009528 PMCID: PMC10052334 DOI: 10.5306/wjco.v14.i3.117] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/08/2023] [Accepted: 02/22/2023] [Indexed: 03/19/2023] Open
Abstract
Medulloblastoma (MB) is considered the commonest malignant brain tumor in children. Multimodal treatments consisting of surgery, radiation, and chemotherapy have improved patients’ survival. Nevertheless, the recurrence occurs in 30% of cases. The persistent mortality rates, the failure of current therapies to extend life expectancy, and the serious complications of non-targeted cytotoxic treatment indicate the need for more refined therapeutic approaches. Most MBs originating from the neurons of external granular layer line the outer surface of neocerebellum and responsible for the afferent and efferent connections. Recently, MBs have been segregated into four molecular subgroups: Wingless-activated (WNT-MB) (Group 1); Sonic-hedgehog-activated (SHH-MB) (Group 2); Group 3 and 4 MBs. These molecular alterations follow specific gene mutations and disease-risk stratifications. The current treatment protocols and ongoing clinical trials against these molecular subgroups are still using common chemotherapeutic agents by which their efficacy have improved the progression-free survival but did not change the overall survival. However, the need to explore new therapies targeting specific receptors in MB microenvironment became essential. The immune microenvironment of MBs consists of distinctive cellular heterogeneities including immune cells and none-immune cells. Tumour associate macrophage and tumour infiltrating lymphocyte are considered the main principal cells in tumour microenvironment, and their role are still under investigation. In this review, we discuss the mechanism of interaction between MB cells and immune cells in the microenvironment, with an overview of the recent investigations and clinical trials
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Affiliation(s)
- Maher Kurdi
- Department of Pathology, Faculty of Medicine, King Abdulaziz University, Rabigh 213733, Saudi Arabia
- Neuromuscular Unit, King Fahad Medical Research Center, King Abdulaziz University, Jeddah 213733, Saudi Arabia
| | - Nasser Mulla
- Department of Internal Medicine, Faculty of Medicine, Taibah University, Medina 213733, Saudi Arabia
| | - Husam Malibary
- Department of Internal Medicine, Faculty of Medicine, King Abdulaziz University, Jeddah 213733, Saudi Arabia
| | - Ahmed K Bamaga
- Department of Paediatrics, Faculty of Medicine, King Abdulaziz University, Jeddah 213733, Saudi Arabia
| | - Motaz M Fadul
- Department of Pathology, Faculty of Medicine, King Abdulaziz University, Rabigh 213733, Saudi Arabia
| | - Eyad Faizo
- Division of Neurosurgery, Department of Surgery, Faculty of Medicine, Tabuk University, Tabuk 213733, Saudi Arabia
| | - Sahar Hakamy
- Neurmuscular Unit, Center of Excellence of Genomic Medicine, Jeddah 21423, Saudi Arabia
| | - Saleh Baeesa
- Department of Neuroscience, King Faisal Specialist Hospital and Research Center, Jeddah, Saudi Arabia
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15
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Zhang H, Liu L, Liu J, Dang P, Hu S, Yuan W, Sun Z, Liu Y, Wang C. Roles of tumor-associated macrophages in anti-PD-1/PD-L1 immunotherapy for solid cancers. Mol Cancer 2023; 22:58. [PMID: 36941614 PMCID: PMC10029244 DOI: 10.1186/s12943-023-01725-x] [Citation(s) in RCA: 49] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 01/16/2023] [Indexed: 03/23/2023] Open
Abstract
In recent years, tumor immunotherapy has made significant progress. However, tumor immunotherapy, particularly immune checkpoint inhibitors (e.g., PD-1/PD-L1 inhibitors), benefits only a tiny proportion of patients in solid cancers. The tumor microenvironment (TME) acts a significant role in tumor immunotherapy. Studies reported that tumor-associated macrophages (TAMs), as one of the main components of TME, seriously affected the therapeutic effect of PD-1/PD-L1 inhibitors. In this review, we analyzed TAMs from epigenetic and single-cell perspectives and introduced the role and mechanisms of TAMs in anti-programmed death protein 1(anti-PD-1) therapy. In addition, we summarized combination regimens that enhance the efficacy of tumor PD-1/PD-L1 inhibitors and elaborated on the role of the TAMs in different solid cancers. Eventually, the clinical value of TAMs by influencing the therapeutic effect of tumor PD-1/PD-L1 inhibitors was discussed. These above are beneficial to elucidate poor therapeutic effect of PD-1/PD-L1 inhibitors in solid tumors from the point of view of TAMs and explore the strategies to improve its objective remission rate of solid cancers.
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Affiliation(s)
- Hao Zhang
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, China
| | - Lin Liu
- Henan Institute of Interconnected Intelligent Health Management, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Jinbo Liu
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, China
| | - Pengyuan Dang
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, China
| | - Shengyun Hu
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, China
| | - Weitang Yuan
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, China
| | - Zhenqiang Sun
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, China.
- Henan Institute of Interconnected Intelligent Health Management, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
| | - Yang Liu
- Department of Radiotherapy, Henan Cancer Hospital, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, 450001, China.
| | - Chengzeng Wang
- Henan Institute of Interconnected Intelligent Health Management, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
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16
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Jain N, Srinivasarao DA, Famta P, Shah S, Vambhurkar G, Shahrukh S, Singh SB, Srivastava S. The portrayal of macrophages as tools and targets: A paradigm shift in cancer management. Life Sci 2023; 316:121399. [PMID: 36646378 DOI: 10.1016/j.lfs.2023.121399] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 01/02/2023] [Accepted: 01/12/2023] [Indexed: 01/15/2023]
Abstract
Macrophages play a major role in maintaining an organism's physiology, such as development, homeostasis, tissue repair, and immunity. These immune cells are known to be involved in tumor progression and modulation. Monocytes can be polarized to two types of macrophages (M1 macrophages and pro-tumor M2 macrophages). Through this article, we aim to emphasize the potential of targeting macrophages in order to improve current strategies for tumor management. Various strategies that target macrophages as a therapeutic target have been discussed along with ongoing clinical trials. We have discussed the role of macrophages in various stages of tumor progression epithelial-to-mesenchymal transition (EMT), invasion, maintaining the stability of circulating tumor cells (CTCs) in blood, and establishing a premetastatic niche along with the role of various cytokines and chemokines involved in these processes. Intriguingly macrophages can also serve as drug carriers due to their tumor tropism along the chemokine gradient. They surpass currently explored nanotherapeutics in tumor accumulation and circulation half-life. We have emphasized on macrophage-based biomimetic formulations and macrophage-hitchhiking as a strategy to effectively target tumors. We firmly believe that targeting macrophages or utilizing them as an indigenous carrier system could transform cancer management.
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Affiliation(s)
- Naitik Jain
- Pharmaceutical Innovation and Translational Research Lab (PITRL), Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Dadi A Srinivasarao
- Pharmaceutical Innovation and Translational Research Lab (PITRL), Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Paras Famta
- Pharmaceutical Innovation and Translational Research Lab (PITRL), Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Saurabh Shah
- Pharmaceutical Innovation and Translational Research Lab (PITRL), Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Ganesh Vambhurkar
- Pharmaceutical Innovation and Translational Research Lab (PITRL), Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Syed Shahrukh
- Pharmaceutical Innovation and Translational Research Lab (PITRL), Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Shashi Bala Singh
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Saurabh Srivastava
- Pharmaceutical Innovation and Translational Research Lab (PITRL), Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India.
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17
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Szabo PM, Vajdi A, Kumar N, Tolstorukov MY, Chen BJ, Edwards R, Ligon KL, Chasalow SD, Chow KH, Shetty A, Bolisetty M, Holloway JL, Golhar R, Kidd BA, Hull PA, Houser J, Vlach L, Siemers NO, Saha S. Cancer-associated fibroblasts are the main contributors to epithelial-to-mesenchymal signatures in the tumor microenvironment. Sci Rep 2023; 13:3051. [PMID: 36810872 PMCID: PMC9944255 DOI: 10.1038/s41598-023-28480-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 01/19/2023] [Indexed: 02/24/2023] Open
Abstract
Epithelial-to-mesenchymal transition (EMT) is associated with tumor initiation, metastasis, and drug resistance. However, the mechanisms underlying these associations are largely unknown. We studied several tumor types to identify the source of EMT gene expression signals and a potential mechanism of resistance to immuno-oncology treatment. Across tumor types, EMT-related gene expression was strongly associated with expression of stroma-related genes. Based on RNA sequencing of multiple patient-derived xenograft models, EMT-related gene expression was enriched in the stroma versus parenchyma. EMT-related markers were predominantly expressed by cancer-associated fibroblasts (CAFs), cells of mesenchymal origin which produce a variety of matrix proteins and growth factors. Scores derived from a 3-gene CAF transcriptional signature (COL1A1, COL1A2, COL3A1) were sufficient to reproduce association between EMT-related markers and disease prognosis. Our results suggest that CAFs are the primary source of EMT signaling and have potential roles as biomarkers and targets for immuno-oncology therapies.
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Affiliation(s)
- Peter M. Szabo
- grid.419971.30000 0004 0374 8313Bristol Myers Squibb, Princeton, NJ USA ,grid.428458.70000 0004 1792 8104Present Address: Fate Therapeutics, San Diego, CA USA
| | - Amir Vajdi
- grid.65499.370000 0001 2106 9910Dana-Farber Cancer Institute, Boston, MA USA ,grid.417993.10000 0001 2260 0793Present Address: Merck & Co., Inc., Kenilworth, NJ USA
| | | | | | - Benjamin J. Chen
- grid.419971.30000 0004 0374 8313Bristol Myers Squibb, Cambridge, MA USA
| | - Robin Edwards
- grid.419971.30000 0004 0374 8313Bristol Myers Squibb, Princeton, NJ USA ,grid.428496.5Present Address: Daiichi Sankyo, Inc., Princeton, NJ USA
| | - Keith L. Ligon
- grid.65499.370000 0001 2106 9910Dana-Farber Cancer Institute, Boston, MA USA
| | - Scott D. Chasalow
- grid.419971.30000 0004 0374 8313Bristol Myers Squibb, Princeton, NJ USA
| | - Kin-Hoe Chow
- grid.65499.370000 0001 2106 9910Dana-Farber Cancer Institute, Boston, MA USA
| | - Aniket Shetty
- grid.65499.370000 0001 2106 9910Dana-Farber Cancer Institute, Boston, MA USA
| | - Mohan Bolisetty
- grid.419971.30000 0004 0374 8313Bristol Myers Squibb, Princeton, NJ USA
| | - James L. Holloway
- grid.419971.30000 0004 0374 8313Bristol Myers Squibb, Seattle, WA USA
| | - Ryan Golhar
- grid.419971.30000 0004 0374 8313Bristol Myers Squibb, Princeton, NJ USA
| | - Brian A. Kidd
- grid.419971.30000 0004 0374 8313Bristol Myers Squibb, Redwood City, CA USA
| | | | - Jeff Houser
- grid.419971.30000 0004 0374 8313Bristol Myers Squibb, Redwood City, CA USA
| | - Logan Vlach
- grid.419971.30000 0004 0374 8313Bristol Myers Squibb, Redwood City, CA USA ,grid.152326.10000 0001 2264 7217Present Address: Vanderbilt University, Nashville, TN USA
| | - Nathan O. Siemers
- grid.419971.30000 0004 0374 8313Bristol Myers Squibb, Princeton, NJ USA ,Present Address: Fiveprime Group, Monterey, CA USA
| | - Saurabh Saha
- grid.419971.30000 0004 0374 8313Bristol Myers Squibb, Princeton, NJ USA ,Present Address: Centessa Pharmaceuticals, Cambridge, MA USA
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18
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Nygaard V, Ree AH, Dagenborg VJ, Børresen-Dale AL, Edwin B, Fretland ÅA, Grzyb K, Haugen MH, Mælandsmo GM, Flatmark K. A PRRX1 Signature Identifies TIM-3 and VISTA as Potential Immune Checkpoint Targets in a Subgroup of Microsatellite Stable Colorectal Cancer Liver Metastases. CANCER RESEARCH COMMUNICATIONS 2023; 3:235-244. [PMID: 36968142 PMCID: PMC10035516 DOI: 10.1158/2767-9764.crc-22-0295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 10/21/2022] [Accepted: 01/27/2023] [Indexed: 02/04/2023]
Abstract
Disease recurrence and drug resistance are major challenges in the clinical management of patients with colorectal cancer liver metastases (CLM), and because tumors are generally microsatellite stable (MSS), responses to immune therapies are poor. The mesenchymal phenotype is overrepresented in treatment-resistant cancers and is associated with an immunosuppressed microenvironment. The aim of this work was to molecularly identify and characterize a mesenchymal subgroup of MSS CLM to identify novel therapeutic approaches. We here generated a mesenchymal gene expression signature by analysis of resection specimens from 38 patients with CLM using ranked expression level of the epithelial-to-mesenchymal transition-related transcription factor PRRX1. Downstream pathway analysis based on the resulting gene signature was performed and independent, publicly available datasets were used to validate the findings. A subgroup comprising 16% of the analyzed CLM samples were classified as mesenchymal, or belonging to the PRRX1 high group. Analysis of the PRRX1 signature genes revealed a distinct immunosuppressive phenotype with high expression of immune checkpoints HAVCR2/TIM-3 and VISTA, in addition to the M2 macrophage marker CD163. The findings were convincingly validated in datasets from three external CLM cohorts. Upregulation of immune checkpoints HAVCR2/TIM-3 and VISTA in the PRRX1 high subgroup is a novel finding, and suggests immune evasion beyond the PD-1/PD-L1 axis, which may contribute to poor response to PD-1/PD-L1-directed immune therapy in MSS colorectal cancer. Importantly, these checkpoints represent potential novel opportunities for immune-based therapy approaches in a subset of MSS CLM. Significance CLM is an important cause of colorectal cancer mortality where the majority of patients have yet to benefit from immunotherapies. In this study of gene expression profiling analyses, we uncovered novel immune checkpoint targets in a subgroup of patients with MSS CLMs harboring a mesenchymal phenotype.
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Affiliation(s)
- Vigdis Nygaard
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Anne Hansen Ree
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Oncology, Akershus University Hospital, Lørenskog, Norway
| | - Vegar Johansen Dagenborg
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Gastroenterological Surgery, Oslo University Hospital, Oslo, Norway
| | - Anne-Lise Børresen-Dale
- Department of Cancer Genetics, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Bjørn Edwin
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Hepato-Pancreato-Biliary Surgery, Oslo University Hospital, Oslo, Norway
- The Intervention Center, Oslo University Hospital, Oslo, Norway
| | - Åsmund Avdem Fretland
- Department of Hepato-Pancreato-Biliary Surgery, Oslo University Hospital, Oslo, Norway
- The Intervention Center, Oslo University Hospital, Oslo, Norway
| | - Krzysztof Grzyb
- Department of Pathology, Oslo University Hospital, Oslo, Norway
| | - Mads H. Haugen
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Gunhild M. Mælandsmo
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
- Institute for Medical Biology, Faculty of Health Sciences, UiT-The Arctic University of Norway, Tromsø, Norway
| | - Kjersti Flatmark
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Gastroenterological Surgery, Oslo University Hospital, Oslo, Norway
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19
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In vivo induction of activin A-producing alveolar macrophages supports the progression of lung cell carcinoma. Nat Commun 2023; 14:143. [PMID: 36650150 PMCID: PMC9845242 DOI: 10.1038/s41467-022-35701-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 12/16/2022] [Indexed: 01/19/2023] Open
Abstract
Alveolar macrophages (AMs) are crucial for maintaining normal lung function. They are abundant in lung cancer tissues, but their pathophysiological significance remains unknown. Here we show, using an orthotopic murine lung cancer model and human carcinoma samples, that AMs support cancer cell proliferation and thus contribute to unfavourable outcome. Inhibin beta A (INHBA) expression is upregulated in AMs under tumor-bearing conditions, leading to the secretion of activin A, a homodimer of INHBA. Accordingly, follistatin, an antagonist of activin A is able to inhibit lung cancer cell proliferation. Single-cell RNA sequence analysis identifies a characteristic subset of AMs specifically induced in the tumor environment that are abundant in INHBA, and distinct from INHBA-expressing AMs in normal lungs. Moreover, postnatal deletion of INHBA/activin A could limit tumor growth in experimental models. Collectively, our findings demonstrate the critical pathological role of activin A-producing AMs in tumorigenesis, and provides means to clearly distinguish them from their healthy counterparts.
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20
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Cancer Stem Cell Relationship with Pro-Tumoral Inflammatory Microenvironment. Biomedicines 2023; 11:biomedicines11010189. [PMID: 36672697 PMCID: PMC9855358 DOI: 10.3390/biomedicines11010189] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/05/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Inflammatory processes and cancer stem cells (CSCs) are increasingly recognized as factors in the development of tumors. Emerging evidence indicates that CSCs are associated with cancer properties such as metastasis, treatment resistance, and disease recurrence. However, the precise interaction between CSCs and the immune microenvironment remains unexplored. Although evasion of the immune system by CSCs has been extensively studied, new research demonstrates that CSCs can also control and even profit from the immune response. This review provides an overview of the reciprocal interplay between CSCs and tumor-infiltrating immune cells, collecting pertinent data about how CSCs stimulate leukocyte reprogramming, resulting in pro-tumor immune cells that promote metastasis, chemoresistance, tumorigenicity, and even a rise in the number of CSCs. Tumor-associated macrophages, neutrophils, Th17 and regulatory T cells, mesenchymal stem cells, and cancer-associated fibroblasts, as well as the signaling pathways involved in these pro-tumor activities, are among the immune cells studied. Although cytotoxic leukocytes have the potential to eliminate CSCs, immune evasion mechanisms in CSCs and their clinical implications are also known. We intended to compile experimental findings that provide direct evidence of interactions between CSCs and the immune system and CSCs and the inflammatory milieu. In addition, we aimed to summarize key concepts in order to comprehend the cross-talk between CSCs and the tumor microenvironment as a crucial process for the effective design of anti-CSC therapies.
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21
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Zhang J, Hu Z, Horta CA, Yang J. Regulation of epithelial-mesenchymal transition by tumor microenvironmental signals and its implication in cancer therapeutics. Semin Cancer Biol 2023; 88:46-66. [PMID: 36521737 DOI: 10.1016/j.semcancer.2022.12.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 12/06/2022] [Accepted: 12/08/2022] [Indexed: 12/15/2022]
Abstract
Epithelial-mesenchymal transition (EMT) has been implicated in various aspects of tumor development, including tumor invasion and metastasis, cancer stemness, and therapy resistance. Diverse stroma cell types along with biochemical and biophysical factors in the tumor microenvironment impinge on the EMT program to impact tumor progression. Here we provide an in-depth review of various tumor microenvironmental signals that regulate EMT in cancer. We discuss the molecular mechanisms underlying the role of EMT in therapy resistance and highlight new therapeutic approaches targeting the tumor microenvironment to impact EMT and tumor progression.
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Affiliation(s)
- Jing Zhang
- Department of Pharmacology, Moores Cancer Center, University of California, San Diego, School of Medicine, La Jolla, CA 92093, USA
| | - Zhimin Hu
- Department of Pharmacology, Moores Cancer Center, University of California, San Diego, School of Medicine, La Jolla, CA 92093, USA
| | - Calista A Horta
- Department of Pharmacology, Moores Cancer Center, University of California, San Diego, School of Medicine, La Jolla, CA 92093, USA
| | - Jing Yang
- Department of Pharmacology, Moores Cancer Center, University of California, San Diego, School of Medicine, La Jolla, CA 92093, USA; Department of Pediatrics, University of California, San Diego, School of Medicine, La Jolla, CA 92093, USA.
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22
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Li HX, Wang SQ, Lian ZX, Deng SL, Yu K. Relationship between Tumor Infiltrating Immune Cells and Tumor Metastasis and Its Prognostic Value in Cancer. Cells 2022; 12:cells12010064. [PMID: 36611857 PMCID: PMC9818185 DOI: 10.3390/cells12010064] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/16/2022] [Accepted: 12/20/2022] [Indexed: 12/28/2022] Open
Abstract
Tumor metastasis is an important reason for the difficulty of tumor treatment. Besides the tumor cells themselves, the tumor microenvironment plays an important role in the process of tumor metastasis. Tumor infiltrating immune cells (TIICs) are one of the main components of TME and plays an important role in every link of tumor metastasis. This article mainly reviews the role of tumor-infiltrating immune cells in epithelial mesenchymal transformation, extracellular matrix remodeling, tumor angiogenesis and formation of pre-metastatic niche. The value of TIICs in the prognosis of cervical cancer, lung cancer and breast cancer was also discussed. We believe that accurate prognosis of cancer treatment outcomes is conducive to further improving treatment regimens, determining personalized treatment strategies, and ultimately achieving successful cancer treatment. This paper elucidates the relationship between tumor and TIICs in order to explore the function of immune cells in different diseases and provide new ideas for the treatment of cancer.
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Affiliation(s)
- Huan-Xiang Li
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Shu-Qi Wang
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Zheng-Xing Lian
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Shou-Long Deng
- National Health Commission (NHC) of China Key Laboratory of Human Disease Comparative Medicine, Institute of Laboratory Animal Sciences, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing 100021, China
- Correspondence: (S.-L.D.); (K.Y.)
| | - Kun Yu
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
- Correspondence: (S.-L.D.); (K.Y.)
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23
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Yang Y, Cao Y. The impact of VEGF on cancer metastasis and systemic disease. Semin Cancer Biol 2022; 86:251-261. [PMID: 35307547 DOI: 10.1016/j.semcancer.2022.03.011] [Citation(s) in RCA: 85] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 03/08/2022] [Accepted: 03/15/2022] [Indexed: 01/27/2023]
Abstract
Metastasis is the leading cause of cancer-associated mortality and the underlying mechanisms of cancer metastasis remain elusive. Both blood and lymphatic vasculatures are essential structures for mediating distal metastasis. The vasculature plays multiple functions, including accelerating tumor growth, sustaining the tumor microenvironment, supplying growth and invasive signals, promoting metastasis, and causing cancer-associated systemic disease. VEGF is one of the key angiogenic factors in tumors and participates in the initial stage of tumor development, progression and metastasis. Consequently, VEGF and its receptor-mediated signaling pathways have become one of the most important therapeutic targets for treating various cancers. Today, anti-VEGF-based antiangiogenic drugs (AADs) are widely used in the clinic for treating different types of cancer in human patients. Despite nearly 20-year clinical experience with AADs, the impact of these drugs on cancer metastasis and systemic disease remains largely unknown. In this review article, we focus our discussion on tumor VEGF in cancer metastasis and systemic disease and mechanisms underlying AADs in clinical benefits.
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Affiliation(s)
- Yunlong Yang
- Department of Cellular and Genetic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China.
| | - Yihai Cao
- Department of Microbiology, Tumor and Cell Biology, Biomedicum, Karolinska Institute, 171 77 Stockholm, Sweden.
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Gnosa S, Puig-Blasco L, Piotrowski KB, Freiberg ML, Savickas S, Madsen DH, Auf dem Keller U, Kronqvist P, Kveiborg M. ADAM17-mediated EGFR ligand shedding directs macrophage promoted cancer cell invasion. JCI Insight 2022; 7:155296. [PMID: 35998057 DOI: 10.1172/jci.insight.155296] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 08/17/2022] [Indexed: 11/17/2022] Open
Abstract
Macrophages in the tumor microenvironment have a significant impact on tumor progression. Depending on the signaling environment in the tumor, macrophages can either support or constrain tumor progression. It is therefore of therapeutic interest to identify the tumor-derived factors that control macrophage education. With this aim, we correlated the expression of ADAM proteases, which are key mediators of cell-cell signaling, to the expression of pro-tumorigenic macrophage markers in human cancer cohorts. We identified ADAM17, a sheddase upregulated in many cancer types, as a protein of interest. Depletion of ADAM17 in cancer cell lines reduced the expression of several pro-tumorigenic markers in neighboring macrophages in vitro as well as in mouse models. Moreover, ADAM17-/- educated macrophages demonstrated a reduced ability to induce cancer cell invasion. Using mass spectrometry-based proteomics and ELISA, we identified HB-EGF and AREG, shed by ADAM17 in the cancer cells, as the implicated molecular mediators of macrophage education. Additionally, RNA-seq and ELISA experiments revealed that ADAM17-dependent HB-EGF-ligand release induces the expression and secretion of CXCL chemokines in macrophages, which in turn stimulates cancer cell invasion.In conclusion, we provide evidence that ADAM17 mediates a paracrine EGFR-ligand-chemokine feedback loop, whereby cancer cells hijack macrophages to promote tumor progression.
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Affiliation(s)
| | - Laia Puig-Blasco
- Biotech Research and Innovation Centre, Copenhagen University, Copenhagen, Denmark
| | | | - Marie L Freiberg
- Biotech Research and Innovation Centre, Copenhagen University, Copenhagen, Denmark
| | - Simonas Savickas
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Copenhagen, Denmark
| | - Daniel H Madsen
- Center for Cancer Immune Therapy (CCIT), Department of Haematology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Ulrich Auf dem Keller
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Copenhagen, Denmark
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Nguyen TN, Nguyen-Tran HH, Chen CY, Hsu T. IL6 and CCL18 Mediate Cross-talk between VHL-Deficient Kidney Cells and Macrophages during Development of Renal Cell Carcinoma. Cancer Res 2022; 82:2716-2733. [PMID: 35666812 PMCID: PMC9662868 DOI: 10.1158/0008-5472.can-21-3749] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 04/18/2022] [Accepted: 05/25/2022] [Indexed: 01/07/2023]
Abstract
Loss of the von Hippel-Lindau (VHL) tumor suppressor gene function accounts for 70% to 80% of all clear-cell renal cell carcinoma (ccRCC) cases, the most prevalent form of RCC. Accumulating evidence has indicated that ccRCC arises from sites of chronic inflammation, yet how ccRCC tumor cells interact with immune components of the microenvironment has not been fully elucidated. In this study, we used unbiased proteomic and genomic analyses on components of the tumor microenvironment under different conditions, identifying the molecular and cellular mechanisms that underlie the cross-talk between VHL-deficient kidney tubule cells and macrophages. In vitro and in a Vhlh conditional knockout mouse model, VHL-deficient noncancerous kidney epithelial cells, representing the early stage of ccRCC initiation, secreted IL6 that induced macrophage infiltration and polarization toward the protumorigenic M2 phenotype. Activated human macrophages secreted CCL18 and TGFβ1 to stimulate epithelial-to-mesenchymal transition (EMT) of the kidney tubule cells. Treatment with IL6-neutralizing antibody rescued inflammatory, proliferative, and EMT phenotypes of kidney epithelial cells in Vhlh conditional knockout mice. Furthermore, in a human ccRCC xenograft model, exogenous human primary or cultured macrophages significantly promoted primary tumor growth and metastasis in a CCL18-dependent manner. These findings identify specific factors involved in reciprocal cross-talk between tumor cells and immune components in the microenvironment, thus providing an avenue for early intervention in ccRCC. SIGNIFICANCE The identification of VHL-deficient kidney tubule cell cross-talk with macrophages regulated by IL6 and CCL18 reveals potential targets for the prevention and treatment of ccRCC.
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Affiliation(s)
- Thi-Ngoc Nguyen
- Department of Biomedical Sciences and Engineering, National Central University, Taoyuan City, Taiwan, Republic of China.,Graduate Institute of Biomedical Sciences, China Medical University-Taiwan, Taichung, Taiwan, Republic of China
| | - Hieu-Huy Nguyen-Tran
- Department of Biomedical Sciences and Engineering, National Central University, Taoyuan City, Taiwan, Republic of China.,Graduate Institute of Biomedical Sciences, China Medical University-Taiwan, Taichung, Taiwan, Republic of China
| | - Chen-Yun Chen
- Department of Biomedical Sciences and Engineering, National Central University, Taoyuan City, Taiwan, Republic of China
| | - Tien Hsu
- Department of Biomedical Sciences and Engineering, National Central University, Taoyuan City, Taiwan, Republic of China.,Graduate Institute of Biomedical Sciences, China Medical University-Taiwan, Taichung, Taiwan, Republic of China.,Corresponding Author: Tien Hsu, Graduate Institute of Biomedical Sciences, China Medical University-Taiwan, No. 91, Hsueh-Shih Rd., Taichung, Taiwan 40402, Republic of China. Phone: 220-53366-8210; E-mail:
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Prediction of Survival Rate and Chemotherapy Effect by an Immune Score Model in Colorectal Cancer. BIOMED RESEARCH INTERNATIONAL 2022; 2022:8219701. [PMID: 35434132 PMCID: PMC9006078 DOI: 10.1155/2022/8219701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 01/27/2022] [Accepted: 02/01/2022] [Indexed: 12/24/2022]
Abstract
Colorectal cancer is the third most common cancer and the second leading cause of cancer-related deaths. Immune cells in the tumor microenvironment play an important role in the development of tumors. In this study, CIBERSORT was used to estimate the subset of the immune cells using bulk gene expression data (i.e., TCGA, GEO, and cBioPortal databases). 1,087 samples were included in the analysis. The results revealed that among the 22 immune cell subsets that were evaluated, resting and activated NK cells, macrophage M1 and M2, and resting mast cells are associated with significant improvements in patient survival of colorectal cancer. The 15-year survival rates for the training cohort showed 49.1% and 32.5%, respectively, for the low- and high-risk groups. Likewise, the validation and entire cohorts showed 77.3% versus 47.2% and 65.3% versus 46.5%, respectively, for the low- and high-risk groups. Also, the prognostic immune score in predicting the chemotherapy effects showed that the low-risk group had a better survival superiority over the high-risk group, whether patients received chemotherapy or not. The gene set enrichment analysis showed that the low-risk group was highly enriched in pathways or processes related to immune response. The immune checkpoint assessment revealed significantly higher mRNA expressions of CTLA4 in the lower risk group than in the higher risk group. Altogether, this study offers information that could improve the prognosis of colorectal cancer.
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27
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Metastasis prevention: targeting causes and roots. Clin Exp Metastasis 2022; 39:505-519. [PMID: 35347574 DOI: 10.1007/s10585-022-10162-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 03/07/2022] [Indexed: 12/12/2022]
Abstract
The spread of tumor cells from the primary focus, metastasis, is the main cause of cancer mortality. Therefore, anticancer therapy should be focused on the prevention of metastatic disease. Key targets can be conditions in the primary tumor that are favorable for the appearance of metastatic cells and the first steps of the metastatic cascade. Here, we discuss different approaches for targeting metastasis causes (hypoxia, metabolism changes, and tumor microenvironment) and roots (angiogenesis, epithelial-mesenchymal transition, migration, and invasion). Also, we emphasize the challenges of the existing approaches for metastasis prevention and suggest opportunities to overcome them. In conclusion, we highlight the importance of clinical evaluation of the agents showing antimetastatic effects in vivo, especially in patients with early-stage cancers, the identification of metastatic seeds, and the development of therapeutics for their eradication.
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Deng J, Fleming JB. Inflammation and Myeloid Cells in Cancer Progression and Metastasis. Front Cell Dev Biol 2022; 9:759691. [PMID: 35127700 PMCID: PMC8814460 DOI: 10.3389/fcell.2021.759691] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 12/24/2021] [Indexed: 12/13/2022] Open
Abstract
To date, the most immunotherapy drugs act upon T cell surface proteins to promote tumoricidal T cell activity. However, this approach has to date been unsuccessful in certain solid tumor types including pancreatic, prostate cancer and glioblastoma. Myeloid-related innate immunity can promote tumor progression through direct and indirect effects on T cell activity; improved understanding of this field may provide another therapeutic avenue for patients with these tumors. Myeloid cells can differentiate into both pro-inflammatory and anti-inflammatory mature form depending upon the microenvironment. Most cancer type exhibit oncogenic activating point mutations (ex. P53 and KRAS) that trigger cytokines production. In addition, tumor environment (ex. Collagen, Hypoxia, and adenosine) also regulated inflammatory signaling cascade. Both the intrinsic and extrinsic factor driving the tumor immune microenvironment and regulating the differentiation and function of myeloid cells, T cells activity and tumor progression. In this review, we will discuss the relationship between cancer cells and myeloid cells-mediated tumor immune microenvironment to promote cancer progression and immunotherapeutic resistance. Furthermore, we will describe how cytokines and chemokines produced by cancer cells influence myeloid cells within immunosuppressive environment. Finally, we will comment on the development of immunotherapeutic strategies with respect to myeloid-related innate immunity.
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Affiliation(s)
- Jenying Deng
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Jason B. Fleming
- H. Lee Moffitt Cancer Center, Department of Gastrointestinal Oncology, Tampa, FL, United States
- *Correspondence: Jason B. Fleming,
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Long L, Hu Y, Long T, Lu X, Tuo Y, Li Y, Ke Z. Tumor-associated macrophages induced spheroid formation by CCL18-ZEB1-M-CSF feedback loop to promote transcoelomic metastasis of ovarian cancer. J Immunother Cancer 2022; 9:jitc-2021-003973. [PMID: 34969774 PMCID: PMC8718465 DOI: 10.1136/jitc-2021-003973] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/26/2021] [Indexed: 12/12/2022] Open
Abstract
Background Ovarian cancer (OvCa)-tumor-associated macrophages (TAMs) spheroids are abundantly present within ascites of high malignant patients. This study investigated the mutual interaction of OvCa cells and TAMs in the spheroids. Methods Three-dimensional coculture system and transwell coculture system were created to mimic the OvCa and TAMs in spheroids and in disassociated state. Transwell-migration assay and scratch wound healing assay were used to measure the invasive and migratory capacity. Western blot, quantitative reverse transcription-PCR and immunostaining were used to measure the mesenchymal and epithelial markers. Flow cytometry was used to assess the polarization of TAMs. Also, the differential gene expression profile of OvCa cells and OvCa cells from spheroids were tested by RNA-sequence. Finally, the ovarian mice models were constructed by intraperitoneal injection of ID8 or OvCa-TAMs spheroids. Results Our results indicated that the formation of OvCa-TAMs spheroids was positive related to the malignancy of OvCa cells. M2-TAMs induced the epithelial-mesenchymal transition of OvCa cells by releasing chemokine (C-C motif) ligand 18 (CCL18) in the spheroids. While, CCL18 induced macrophage colony-stimulating factor (M-CSF) transcription in OvCa cells through zinc finger E-box-binding homeobox 1 (ZEB1). This study further indicated that M-CSF secreted by OvCa cells drived the polarization of M2-TAMs. Therefore, a CCL18-ZEB1-M-CSF interacting loop between OvCa cells and TAMs in the spheroids was identified. Moreover, with blocking the expression of ZEB1 in the OvCa cell, the formation of OvCa-TAMs spheroids was impeded. In the ovarian mice models, the formation of OvCa-TAMs spheroids in the ascites was promoted by overexpressing of ZEB1 in OvCa cells, which resulted in faster and earlier transcoelomic metastasis. Conclusion These findings suggested that the formation of OvCa-TAMs spheroids resulted in aggressive phenotype of OvCa cells, as a specific feedback loop CCL18-ZEB1-M-CSF in it. Inhibition of ZEB1 reduced OvCa-TAMs spheroids in the ascites, impeding the transcoelomic metastasis and improving the outcome of ovarian patients.
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Affiliation(s)
- Lingli Long
- Translation Medicine Center, Sun Yat-sen University First Affiliated Hospital, Guangzhou, China
| | - Yue Hu
- Translation Medicine Center, Sun Yat-sen University First Affiliated Hospital, Guangzhou, China
| | - Tengfei Long
- Department of Gynaecology and Obstetrics, Sun Yat-Sen Memorial Hospital, Guangzhou, China
| | - Xiaofang Lu
- Department of Pathology, The Seventh Affiliated Hospital Sun Yat-sen University, Shenzhen, China
| | - Ying Tuo
- Department of Pathology, Sun Yat-sen University First Affiliated Hospital, Guangzhou, China
| | - Yubing Li
- The Reproductive Center, Sun Yat-sen University First Affiliated Hospital, Guangzhou, China
| | - Zunfu Ke
- Department of Pathology, Sun Yat-Sen University, Guangzhou, UK
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Antoñana-Vildosola A, Zanetti SR, Palazon A. Enabling CAR-T cells for solid tumors: Rage against the suppressive tumor microenvironment. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2022; 370:123-147. [PMID: 35798503 DOI: 10.1016/bs.ircmb.2022.03.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Adoptive T cell therapies based on chimeric antigen receptors (CAR-T) are emerging as genuine therapeutic options for the treatment of hematological malignancies. The observed clinical success has not yet been extended into solid tumor indications as a result of multiple factors including immunosuppressive features of the tumor microenvironment (TME). In this context, an emerging strategy is to design CAR-T cells for the elimination of defined cellular components of the TME, with the objective of re-shaping the tumor immune contexture to control tumor growth. Relevant cell components that are currently under investigation as targets of CAR-T therapies include the tumor vasculature, cancer-associated fibroblasts (CAFs), and immunosuppressive tumor associated macrophages (TAMs) and myeloid derived suppressor cells (MDSCs). In this review, we recapitulate the rapidly expanding field of CAR-T cell therapies that directly target cellular components within the TME with the ultimate objective of promoting immune function, either alone or in combination with other cancer therapies.
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Affiliation(s)
- Asier Antoñana-Vildosola
- Cancer Immunology and Immunotherapy Lab, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia, Spain
| | - Samanta Romina Zanetti
- Cancer Immunology and Immunotherapy Lab, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia, Spain
| | - Asis Palazon
- Cancer Immunology and Immunotherapy Lab, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia, Spain; Ikerbasque, Basque Foundation for Science, Bizkaia, Spain.
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31
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Ebrahimi N, Adelian S, Shakerian S, Afshinpour M, Chaleshtori SR, Rostami N, Hamblin MR, Aref AR. Crosstalk between ferroptosis and the epithelial-mesenchymal transition: implications for inflammation and cancer therapy. Cytokine Growth Factor Rev 2022; 64:33-45. [DOI: 10.1016/j.cytogfr.2022.01.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 01/19/2022] [Indexed: 02/07/2023]
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Zhu X, Wang X, Gong Y, Deng J. E-cadherin on epithelial-mesenchymal transition in thyroid cancer. Cancer Cell Int 2021; 21:695. [PMID: 34930256 PMCID: PMC8690896 DOI: 10.1186/s12935-021-02344-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 11/15/2021] [Indexed: 02/08/2023] Open
Abstract
Thyroid carcinoma is a common malignant tumor of endocrine system and head and neck. Recurrence, metastasis and high malignant expression after routine treatment are serious clinical problems, so it is of great significance to explore its mechanism and find action targets. Epithelial-mesenchymal transition (EMT) is associated with tumor malignancy and invasion. One key change in tumour EMT is low expression of E-cadherin. Therefore, this article reviews the expression of E-cadherin in thyroid cancers (TC), discuss the potential mechanisms involved, and outline opportunities to exploit E-cadherin on regulating the occurrence of EMT as a critical factor in cancer therapeutics.
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Affiliation(s)
- Xiaoyu Zhu
- Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 274 Zhijiang Middle Road, Jing'an District, Shanghai, 200040, China
| | - Xiaoping Wang
- Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 274 Zhijiang Middle Road, Jing'an District, Shanghai, 200040, China.
| | - Yifei Gong
- Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 274 Zhijiang Middle Road, Jing'an District, Shanghai, 200040, China
| | - Junlin Deng
- Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 274 Zhijiang Middle Road, Jing'an District, Shanghai, 200040, China
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33
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Conte E. Targeting monocytes/macrophages in fibrosis and cancer diseases: Therapeutic approaches. Pharmacol Ther 2021; 234:108031. [PMID: 34774879 DOI: 10.1016/j.pharmthera.2021.108031] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 10/19/2021] [Accepted: 11/02/2021] [Indexed: 02/08/2023]
Abstract
Over almost 140 years since their identification, the knowledge about macrophages has unbelievably evolved. The 'big eaters' from being thought of as simple phagocytic cells have been recognized as master regulators in immunity, homeostasis, healing/repair and organ development. Long considered to originate exclusively from bone marrow-derived circulating monocytes, macrophages have been also demonstrated to be the first immune cells colonizing tissues in the developing embryo and persisting in adult life by self-renewal, as long-lived tissue resident macrophages. Therefore, heterogeneous populations of macrophages with different ontogeny and functions co-exist in tissues. Macrophages act as sentinels of homeostasis and are intrinsically programmed to lead the wound healing and repair processes that occur after injury. However, in certain pathological circumstances macrophages get dysfunctional, and impaired or aberrant macrophage activities become key features of diseases. For instance, in both fibrosis and cancer, that have been defined 'wounds that do not heal', dysfunctional monocyte-derived macrophages overall play a key detrimental role. On the other hand, due to their plasticity these cells can be 're-educated' and exert anti-fibrotic and anti-cancer functions. Therefore macrophages represent an important therapeutic target in both fibrosis and cancer diseases. The current review will illustrate new insights into the role of monocytes/macrophages in these devastating diseases and summarize new therapeutic strategies and applications of macrophage-targeted drug development in their clinical setting.
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Abstract
Tumor-associated macrophages (TAMs) represent the most abundant leukocyte population in most solid tumors and are greatly influenced by the tumor microenvironment. More importantly, these macrophages can promote tumor growth and metastasis through interactions with other cell populations within the tumor milieu and have been associated with poor outcomes in multiple tumors. In this review, we examine how the tumor microenvironment facilitates the polarization of TAMs. Additionally, we evaluate the mechanisms by which TAMs promote tumor angiogenesis, induce tumor invasion and metastasis, enhance chemotherapeutic resistance, and foster immune evasion. Lastly, we focus on therapeutic strategies that target TAMs in the treatments of cancer, including reducing monocyte recruitment, depleting or reprogramming TAMs, and targeting inhibitory molecules to increase TAM-mediated phagocytosis.
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Affiliation(s)
- Amy J Petty
- Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA
| | - Dwight H Owen
- Division of Medical Oncology, Department of Internal Medicine, College of Medicine and OSU Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210, USA
| | - Yiping Yang
- Division of Hematology, Department of Internal Medicine, College of Medicine and OSU Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210, USA
| | - Xiaopei Huang
- Division of Hematology, Department of Internal Medicine, College of Medicine and OSU Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210, USA
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35
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Targeting Tumor-Associated Macrophages in Cancer Immunotherapy. Cancers (Basel) 2021; 13:cancers13215318. [PMID: 34771482 PMCID: PMC8582510 DOI: 10.3390/cancers13215318] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/14/2021] [Accepted: 10/19/2021] [Indexed: 12/25/2022] Open
Abstract
Tumor-associated macrophages (TAMs) represent the most abundant leukocyte population in most solid tumors and are greatly influenced by the tumor microenvironment. More importantly, these macrophages can promote tumor growth and metastasis through interactions with other cell populations within the tumor milieu and have been associated with poor outcomes in multiple tumors. In this review, we examine how the tumor microenvironment facilitates the polarization of TAMs. Additionally, we evaluate the mechanisms by which TAMs promote tumor angiogenesis, induce tumor invasion and metastasis, enhance chemotherapeutic resistance, and foster immune evasion. Lastly, we focus on therapeutic strategies that target TAMs in the treatments of cancer, including reducing monocyte recruitment, depleting or reprogramming TAMs, and targeting inhibitory molecules to increase TAM-mediated phagocytosis.
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36
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Es HA, Cox TR, Sarafraz-Yazdi E, Thiery JP, Warkiani ME. Pirfenidone Reduces Epithelial-Mesenchymal Transition and Spheroid Formation in Breast Carcinoma through Targeting Cancer-Associated Fibroblasts (CAFs). Cancers (Basel) 2021; 13:5118. [PMID: 34680267 PMCID: PMC8533995 DOI: 10.3390/cancers13205118] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/08/2021] [Accepted: 10/08/2021] [Indexed: 02/04/2023] Open
Abstract
The aim of this study was to assess the effects of pirfenidone (PFD) on promoting epithelial-mesenchymal-transition (EMT) and stemness features in breast carcinoma cells through targeting cancer-associated-fibroblasts (CAFs). Using The Cancer Genome Atlas (TCGA) database, we analyzed the association between stromal index, EMT, and stemness-related genes across 1084 breast cancer patients, identifying positive correlation between YAP1, EMT, and stemness genes in samples with a high-stromal index. We monitored carcinoma cell invasion and spheroid formation co-cultured with CAFs in a 3D microfluidic device, followed by exposing carcinoma cells, spheroids, and CAFs with PFD. We depicted a positive association between the high-stromal index and the expression of EMT and stemness genes. High YAP1 expression in samples correlated with more advanced EMT status and stromal index. Additionally, we found that CAFs promoted spheroid formation and induced the expression of YAP1, VIM, and CD44 in spheroids. Treatment with PFD reduced carcinoma cell migration and decreased the expression of these genes at the protein level. The cytokine profiling showed significant depletion of various EMT- and stemness-regulated cytokines, particularly IL8, CCL17, and TNF-beta. These data highlight the potential application of PFD on inhibiting EMT and stemness in carcinoma cells through the targeting of critical cytokines.
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Affiliation(s)
- Hamidreza Aboulkheyr Es
- School of Biomedical Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia;
| | - Thomas R Cox
- The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia;
| | | | - Jean Paul Thiery
- Comprehensive Cancer Center, Institute Gustave Roussy, 94805 Villejuif, France;
- Guangzhou Laboratory, Guangzhou 510000, China
- Center of Biomedical Engineering, Sechenov University, Moscow 119991, Russia
| | - Majid Ebrahimi Warkiani
- School of Biomedical Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia;
- Center of Biomedical Engineering, Sechenov University, Moscow 119991, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow 117997, Russia
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Brabletz S, Schuhwerk H, Brabletz T, Stemmler MP. Dynamic EMT: a multi-tool for tumor progression. EMBO J 2021; 40:e108647. [PMID: 34459003 PMCID: PMC8441439 DOI: 10.15252/embj.2021108647] [Citation(s) in RCA: 299] [Impact Index Per Article: 99.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 06/14/2021] [Accepted: 06/29/2021] [Indexed: 12/20/2022] Open
Abstract
The process of epithelial-mesenchymal transition (EMT) is fundamental for embryonic morphogenesis. Cells undergoing it lose epithelial characteristics and integrity, acquire mesenchymal features, and become motile. In cancer, this program is hijacked to confer essential changes in morphology and motility that fuel invasion. In addition, EMT is increasingly understood to orchestrate a large variety of complementary cancer features, such as tumor cell stemness, tumorigenicity, resistance to therapy and adaptation to changes in the microenvironment. In this review, we summarize recent findings related to these various classical and non-classical functions, and introduce EMT as a true tumorigenic multi-tool, involved in many aspects of cancer. We suggest that therapeutic targeting of the EMT process will-if acknowledging these complexities-be a possibility to concurrently interfere with tumor progression on many levels.
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Affiliation(s)
- Simone Brabletz
- Department of Experimental Medicine 1Nikolaus‐Fiebiger Center for Molecular MedicineFriedrich‐Alexander University of Erlangen‐NürnbergErlangenGermany
| | - Harald Schuhwerk
- Department of Experimental Medicine 1Nikolaus‐Fiebiger Center for Molecular MedicineFriedrich‐Alexander University of Erlangen‐NürnbergErlangenGermany
| | - Thomas Brabletz
- Department of Experimental Medicine 1Nikolaus‐Fiebiger Center for Molecular MedicineFriedrich‐Alexander University of Erlangen‐NürnbergErlangenGermany
| | - Marc P. Stemmler
- Department of Experimental Medicine 1Nikolaus‐Fiebiger Center for Molecular MedicineFriedrich‐Alexander University of Erlangen‐NürnbergErlangenGermany
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38
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Interplay of Immunometabolism and Epithelial-Mesenchymal Transition in the Tumor Microenvironment. Int J Mol Sci 2021; 22:ijms22189878. [PMID: 34576042 PMCID: PMC8466075 DOI: 10.3390/ijms22189878] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/10/2021] [Accepted: 09/11/2021] [Indexed: 02/07/2023] Open
Abstract
Epithelial–mesenchymal transition (EMT) and metabolic reprogramming in cancer cells are the key hallmarks of tumor metastasis. Since the relationship between the two has been well studied, researchers have gained increasing interest in the interplay of cancer cell EMT and immune metabolic changes. Whether the mutual influences between them could provide novel explanations for immune surveillance during metastasis is worth understanding. Here, we review the role of immunometabolism in the regulatory loop between tumor-infiltrating immune cells and EMT. We also discuss the challenges and perspectives of targeting immunometabolism in cancer treatment.
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Reis-Sobreiro M, Teixeira da Mota A, Jardim C, Serre K. Bringing Macrophages to the Frontline against Cancer: Current Immunotherapies Targeting Macrophages. Cells 2021; 10:2364. [PMID: 34572013 PMCID: PMC8464913 DOI: 10.3390/cells10092364] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/07/2021] [Accepted: 08/29/2021] [Indexed: 12/21/2022] Open
Abstract
Macrophages are found in all tissues and display outstanding functional diversity. From embryo to birth and throughout adult life, they play critical roles in development, homeostasis, tissue repair, immunity, and, importantly, in the control of cancer growth. In this review, we will briefly detail the multi-functional, protumoral, and antitumoral roles of macrophages in the tumor microenvironment. Our objective is to focus on the ever-growing therapeutic opportunities, with promising preclinical and clinical results developed in recent years, to modulate the contribution of macrophages in oncologic diseases. While the majority of cancer immunotherapies target T cells, we believe that macrophages have a promising therapeutic potential as tumoricidal effectors and in mobilizing their surroundings towards antitumor immunity to efficiently limit cancer progression.
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Affiliation(s)
| | | | | | - Karine Serre
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina da Universidade de Lisboa, 1649-028 Lisboa, Portugal; (M.R.-S.); (A.T.d.M.); (C.J.)
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Chamseddine AN, Assi T, Mir O, Chouaib S. Modulating tumor-associated macrophages to enhance the efficacy of immune checkpoint inhibitors: A TAM-pting approach. Pharmacol Ther 2021; 231:107986. [PMID: 34481812 DOI: 10.1016/j.pharmthera.2021.107986] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 08/22/2021] [Accepted: 08/24/2021] [Indexed: 12/14/2022]
Abstract
Tumor-associated macrophages (TAM) plasticity and diversity are both essential hallmarks of the monocyte-macrophage lineage and the tumor-derived inflammation. TAM exemplify the perfect adaptable cell with dynamic phenotypic modifications that reflect changes in their functional polarization status. Under several tumor microenvironment (TME)-related cues, TAM shift their polarization, hence promoting or halting cancer progression. Immune checkpoint inhibitors (ICI) displayed unprecedented clinical responses in various refractory cancers; but only approximately a third of patients experienced durable responses. It is, therefore, crucial to enhance the response rate of immunotherapy. Several mechanisms of resistance to ICI have been elucidated including TAM role with its essential immunosuppressive functions that reduce both anti-tumor immunity and the subsequent ICI efficacy. In the past few years, thorough research has led to a better understanding of TAM biology and innovative approaches can now be adapted through targeting macrophages' recruitment axis as well as TAM activation and polarization status within the TME. Some of these therapeutic strategies are currently being evaluated in several clinical trials in association with ICI agents. This combination between TAM modulation and ICI allows targeting TAM intrinsic immunosuppressive functions and tumor-promoting factors as well as overcoming ICI resistance. Hence, such strategies, with a better understanding of the mechanisms driving TAM modulation, may have the potential to optimize ICI efficacy.
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Affiliation(s)
- Ali N Chamseddine
- Department of Medical Oncology, Gustave Roussy, F-94805, Villejuif, France; Department of Biostatistics and Epidemiology, CESP INSERM U1018, OncoStat, Gustave Roussy, F-94805, Villejuif, France.
| | - Tarek Assi
- Department of Medical Oncology, Gustave Roussy, F-94805, Villejuif, France
| | - Olivier Mir
- Department of Medical Oncology, Gustave Roussy, F-94805, Villejuif, France; Department of Pharmacology, Gustave Roussy, F-94805, Villejuif, France; Department of Ambulatory Care, Gustave Roussy, F-94805, Villejuif, France
| | - Salem Chouaib
- INSERM UMR 1186, Integrative Tumor Immunology and Genetic Oncology, Gustave Roussy, F-94805, Villejuif, France
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Cui X, Wang Q, Zhou J, Wang Y, Xu C, Tong F, Wang H, Kang C. Single-Cell Transcriptomics of Glioblastoma Reveals a Unique Tumor Microenvironment and Potential Immunotherapeutic Target Against Tumor-Associated Macrophage. Front Oncol 2021; 11:710695. [PMID: 34434898 PMCID: PMC8382282 DOI: 10.3389/fonc.2021.710695] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 07/09/2021] [Indexed: 12/13/2022] Open
Abstract
Background The main immune cells in GBM are tumor-associated macrophages (TAMs). Thus far, the studies investigating the activation status of TAM in GBM are mainly limited to bulk RNA analyses of individual tumor biopsies. The activation states and transcriptional signatures of TAMs in GBM remain poorly characterized. Methods We comprehensively analyzed single-cell RNA-sequencing data, covering a total of 16,201 cells, to clarify the relative proportions of the immune cells infiltrating GBMs. The origin and TAM states in GBM were characterized using the expression profiles of differential marker genes. The vital transcription factors were examined by SCENIC analysis. By comparing the variable gene expression patterns in different clusters and cell types, we identified components and characteristics of TAMs unique to each GBM subtype. Meanwhile, we interrogated the correlation between SPI1 expression and macrophage infiltration in the TCGA-GBM dataset. Results The expression patterns of TMEM119 and MHC-II can be utilized to distinguish the origin and activation states of TAMs. In TCGA-Mixed tumors, almost all TAMs were bone marrow-derived macrophages. The TAMs in TCGA-proneural tumors were characterized by primed microglia. A different composition was observed in TCGA-classical tumors, which were infiltrated by repressed microglia. Our results further identified SPI1 as a crucial regulon and potential immunotherapeutic target important for TAM maturation and polarization in GBM. Conclusions We describe the immune landscape of human GBM at a single-cell level and define a novel categorization scheme for TAMs in GBM. The immunotherapy against SPI1 would reprogram the immune environment of GBM and enhance the treatment effect of conventional chemotherapy drugs.
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Affiliation(s)
- Xiaoteng Cui
- Lab of Neuro-oncology, Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Qixue Wang
- Lab of Neuro-oncology, Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Junhu Zhou
- Lab of Neuro-oncology, Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Yunfei Wang
- Lab of Neuro-oncology, Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Can Xu
- Department of Neurosurgery, Affiliated Hospital of Hebei University, Baoding, China
| | - Fei Tong
- Lab of Neuro-oncology, Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Hongjun Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Chunsheng Kang
- Lab of Neuro-oncology, Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
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Nanoparticles to Target and Treat Macrophages: The Ockham's Concept? Pharmaceutics 2021; 13:pharmaceutics13091340. [PMID: 34575416 PMCID: PMC8469871 DOI: 10.3390/pharmaceutics13091340] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/15/2021] [Accepted: 08/19/2021] [Indexed: 12/19/2022] Open
Abstract
Nanoparticles are nanomaterials with three external nanoscale dimensions and an average size ranging from 1 to 1000 nm. Nanoparticles have gained notoriety in technological advances due to their tunable physical, chemical, and biological characteristics. However, the administration of functionalized nanoparticles to living beings is still challenging due to the rapid detection and blood and tissue clearance by the mononuclear phagocytic system. The major exponent of this system is the macrophage. Regardless the nanomaterial composition, macrophages can detect and incorporate foreign bodies by phagocytosis. Therefore, the simplest explanation is that any injected nanoparticle will be probably taken up by macrophages. This explains, in part, the natural accumulation of most nanoparticles in the spleen, lymph nodes, and liver (the main organs of the mononuclear phagocytic system). For this reason, recent investigations are devoted to design nanoparticles for specific macrophage targeting in diseased tissues. The aim of this review is to describe current strategies for the design of nanoparticles to target macrophages and to modulate their immunological function involved in different diseases with special emphasis on chronic inflammation, tissue regeneration, and cancer.
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Thiruvengadam M, Subramanian U, Venkidasamy B, Thirupathi P, Samynathan R, Shariati MA, Rebezov M, Chung IM, Rengasamy KRR. Emerging role of nutritional short-chain fatty acids (SCFAs) against cancer via modulation of hematopoiesis. Crit Rev Food Sci Nutr 2021; 63:827-844. [PMID: 34319824 DOI: 10.1080/10408398.2021.1954874] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The understanding of gut microbiota has emerged as a significant frontier in development of strategies to maintain normal human body's homeostasis and preventing the disease development over the last decade. The composition of the gut microbiota influences the clinical benefit of immune checkpoints in patients with advanced cancer, but the mechanisms underlying this relationship are unclear. Cancer is among the leading causes of mortality worldwide. So far, there is no universal treatment for cancer and despite significant advances, a lot of improvement on cancer therapy is required. Owing to its role in preserving the host's health and maintaining cellular integrity, the human gut microbiome has recently drawn a lot of interest as a target for cancer treatment. Dietary fiber is fermented by the gut microbiota to generate short-chain fatty acids (SCFAs), such as acetate, butyrate, and propionate, which are physiologically active metabolites. SCFAs can modulate the pathophysiology of the tumor environment through various critical signaling pathways. In addition, SCFAs can bind to carcinogens and other toxic chemicals, thus facilitating their biotransformation and elimination through different excretory mechanisms. This review discusses the mechanisms of action of short-chain fatty acids in modulating hematopoiesis of various immune system cells and the resultant beneficial anti-cancer effects. It also provides future perspectives on cancer therapy.
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Affiliation(s)
- Muthu Thiruvengadam
- Department of Crop Science, College of Sanghuh Life Science, Konkuk University, Seoul, Republic of Korea
| | - Umadevi Subramanian
- Translational Research Platform for Veterinary Biologicals, Tamil Nadu Veterinary and Animal Sciences University, Chennai, India
| | - Baskar Venkidasamy
- Department of Biotechnology, Sri Shakthi Institute of Engineering and Technology, Coimbatore, India
| | - Prabhu Thirupathi
- Translational Research Platform for Veterinary Biologicals, Tamil Nadu Veterinary and Animal Sciences University, Chennai, India
| | | | - Mohammad Ali Shariati
- Department of Technology of Food Products, K.G. Razumovsky Moscow State University of Technologies and Management (The First Cossack University), Moscow, Russian Federation
| | - Maksim Rebezov
- V M Gorbatov Federal Research Center for Food Systems of Russian Academy of Sciences, Moscow, Russian Federation.,Prokhorov General Physics Institute of the Russian Academy of Science, Moscow, Russian Federation
| | - Ill-Min Chung
- Department of Crop Science, College of Sanghuh Life Science, Konkuk University, Seoul, Republic of Korea
| | - Kannan R R Rengasamy
- Green Biotechnologies Research Centre of Excellence, University of Limpopo, Mankweng, South Africa
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Hussain SM, Kansal RG, Alvarez MA, Hollingsworth TJ, Elahi A, Miranda-Carboni G, Hendrick LE, Pingili AK, Albritton LM, Dickson PV, Deneve JL, Yakoub D, Hayes DN, Kurosu M, Shibata D, Makowski L, Glazer ES. Role of TGF-β in pancreatic ductal adenocarcinoma progression and PD-L1 expression. Cell Oncol (Dordr) 2021; 44:673-687. [PMID: 33694102 DOI: 10.1007/s13402-021-00594-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/04/2021] [Indexed: 02/07/2023] Open
Abstract
PURPOSE The transforming growth factor-beta (TGF-β) pathway plays a paradoxical, context-dependent role in pancreatic ductal adenocarcinoma (PDAC): a tumor-suppressive role in non-metastatic PDAC and a tumor-promotive role in metastatic PDAC. We hypothesize that non-SMAD-TGF-β signaling induces PDAC progression. METHODS We investigated the expression of non-SMAD-TGF-β signaling proteins (pMAPK14, PD-L1, pAkt and c-Myc) in patient-derived tissues, cell lines and an immunocompetent mouse model. Experimental models were complemented by comparing the signaling proteins in PDAC specimens from patients with various survival intervals. We manipulated models with TGF-β, gemcitabine (DNA synthesis inhibitor), galunisertib (TGF-β receptor inhibitor) and MK-2206 (Akt inhibitor) to investigate their effects on NF-κB, β-catenin, c-Myc and PD-L1 expression. PD-L1 expression was also investigated in cancer cells and tumor associated macrophages (TAMs) in a mouse model. RESULTS We found that tumors from patients with aggressive PDAC had higher levels of the non-SMAD-TGF-β signaling proteins pMAPK14, PD-L1, pAkt and c-Myc. In PDAC cells with high baseline β-catenin expression, TGF-β increased β-catenin expression while gemcitabine increased PD-L1 expression. Gemcitabine plus galunisertib decreased c-Myc and NF-κB expression, but induced PD-L1 expression in some cancer models. In mice, gemcitabine plus galunisertib treatment decreased metastases (p = 0.018), whereas galunisertib increased PD-L1 expression (p < 0.0001). In the mice, liver metastases contained more TAMs compared to the primary pancreatic tumors (p = 0.001), and TGF-β increased TAM PD-L1 expression (p < 0.05). CONCLUSIONS In PDAC, the non-SMAD-TGF-β signaling pathway leads to more aggressive phenotypes, TAM-induced immunosuppression and PD-L1 expression. The divergent effects of TGF-β ligand versus receptor inhibition in tumor cells versus TAMs may explain the TGF-β paradox. Further evaluation of each mechanism is expected to lead to the development of targeted therapies.
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Affiliation(s)
- S Mazher Hussain
- Department of Surgery, College of Medicine, 910 Madison Ave., Suite 300, Memphis, TN, 38163, USA
| | - Rita G Kansal
- Department of Surgery, College of Medicine, 910 Madison Ave., Suite 300, Memphis, TN, 38163, USA
| | - Marcus A Alvarez
- Department of Surgery, College of Medicine, 910 Madison Ave., Suite 300, Memphis, TN, 38163, USA
| | - T J Hollingsworth
- Department of Surgery, College of Medicine, 910 Madison Ave., Suite 300, Memphis, TN, 38163, USA
| | - Abul Elahi
- Department of Surgery, College of Medicine, 910 Madison Ave., Suite 300, Memphis, TN, 38163, USA
| | | | - Leah E Hendrick
- Department of Surgery, College of Medicine, 910 Madison Ave., Suite 300, Memphis, TN, 38163, USA
| | | | | | - Paxton V Dickson
- Department of Surgery, College of Medicine, 910 Madison Ave., Suite 300, Memphis, TN, 38163, USA
| | - Jeremiah L Deneve
- Department of Surgery, College of Medicine, 910 Madison Ave., Suite 300, Memphis, TN, 38163, USA
| | - Danny Yakoub
- Department of Surgery, College of Medicine, 910 Madison Ave., Suite 300, Memphis, TN, 38163, USA
| | - D Neil Hayes
- Department of Medicine, College of Medicine, Memphis, TN, USA
| | - Michio Kurosu
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, USA
| | - David Shibata
- Department of Surgery, College of Medicine, 910 Madison Ave., Suite 300, Memphis, TN, 38163, USA
| | - Liza Makowski
- Department of Medicine, College of Medicine, Memphis, TN, USA.,Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Evan S Glazer
- Department of Surgery, College of Medicine, 910 Madison Ave., Suite 300, Memphis, TN, 38163, USA.
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Bornes L, Belthier G, van Rheenen J. Epithelial-to-Mesenchymal Transition in the Light of Plasticity and Hybrid E/M States. J Clin Med 2021; 10:jcm10112403. [PMID: 34072345 PMCID: PMC8197992 DOI: 10.3390/jcm10112403] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/21/2021] [Accepted: 05/27/2021] [Indexed: 02/06/2023] Open
Abstract
Epithelial-to-mesenchymal transition (EMT) is a cellular program which leads to cells losing epithelial features, including cell polarity, cell-cell adhesion and attachment to the basement membrane, while gaining mesenchymal characteristics, such as invasive properties and stemness. This program is involved in embryogenesis, wound healing and cancer progression. Over the years, the role of EMT in cancer progression has been heavily debated, and the requirement of this process in metastasis even has been disputed. In this review, we discuss previous discrepancies in the light of recent findings on EMT, plasticity and hybrid E/M states. Moreover, we highlight various tumor microenvironmental cues and cell intrinsic signaling pathways that induce and sustain EMT programs, plasticity and hybrid E/M states. Lastly, we discuss how recent findings on plasticity, especially on those that enable cells to switch between hybrid E/M states, have changed our understanding on the role of EMT in cancer metastasis, stemness and therapy resistance.
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Lachat C, Peixoto P, Hervouet E. Epithelial to Mesenchymal Transition History: From Embryonic Development to Cancers. Biomolecules 2021; 11:biom11060782. [PMID: 34067395 PMCID: PMC8224685 DOI: 10.3390/biom11060782] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/18/2021] [Accepted: 05/19/2021] [Indexed: 12/11/2022] Open
Abstract
Epithelial to mesenchymal transition (EMT) is a process that allows epithelial cells to progressively acquire a reversible mesenchymal phenotype. Here, we recount the main events in the history of EMT. EMT was first studied during embryonic development. Nowadays, it is an important field in cancer research, studied all around the world by more and more scientists, because it was shown that EMT is involved in cancer aggressiveness in many different ways. The main features of EMT's involvement in embryonic development, fibrosis and cancers are briefly reviewed here.
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Affiliation(s)
- Camille Lachat
- UMR 1098 RIGHT, University Bourgogne-Franche-Comté, INSERM, EFS-BFC, F-25000 Besançon, France; (P.P.); (E.H.)
- Correspondence:
| | - Paul Peixoto
- UMR 1098 RIGHT, University Bourgogne-Franche-Comté, INSERM, EFS-BFC, F-25000 Besançon, France; (P.P.); (E.H.)
- EPIgenetics and GENe EXPression Technical Platform (EPIGENExp), University Bourgogne Franche-Comté, F-25000 Besançon, France
| | - Eric Hervouet
- UMR 1098 RIGHT, University Bourgogne-Franche-Comté, INSERM, EFS-BFC, F-25000 Besançon, France; (P.P.); (E.H.)
- EPIgenetics and GENe EXPression Technical Platform (EPIGENExp), University Bourgogne Franche-Comté, F-25000 Besançon, France
- DImaCell Platform, University Bourgogne Franche-Comté, F-25000 Besançon, France
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Güç E, Pollard JW. Redefining macrophage and neutrophil biology in the metastatic cascade. Immunity 2021; 54:885-902. [PMID: 33979586 DOI: 10.1016/j.immuni.2021.03.022] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 12/08/2020] [Accepted: 03/26/2021] [Indexed: 02/07/2023]
Abstract
Tumor cells metastasize to distant organs through a complex series of events that are driven by tumor intrinsic and extrinsic factors. In particular, non-malignant stromal cells, including immune cells, modify tumor metastatic behavior. Of these cells, tumor-associated innate immune cells, particularly macrophages and neutrophils, suppress the cytotoxic activity of innate and adaptive killer cells and interact with tumor cells to promote their growth and malignancy. These findings in mouse cancer models suggest that targeting these sub-populations of immune cells holds therapeutic promise in treating metastatic disease. In this review, we describe the origin and role of the macrophages, neutrophils, and their progenitors in the metastatic cascade and suggest strategies that might enhance cancer therapy.
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Affiliation(s)
- Esra Güç
- MRC Centre for Reproductive Health, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, UK
| | - Jeffrey W Pollard
- MRC Centre for Reproductive Health, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, UK.
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Ricketts TD, Prieto-Dominguez N, Gowda PS, Ubil E. Mechanisms of Macrophage Plasticity in the Tumor Environment: Manipulating Activation State to Improve Outcomes. Front Immunol 2021; 12:642285. [PMID: 34025653 PMCID: PMC8139576 DOI: 10.3389/fimmu.2021.642285] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 04/16/2021] [Indexed: 12/12/2022] Open
Abstract
Macrophages are a specialized class of innate immune cells with multifaceted roles in modulation of the inflammatory response, homeostasis, and wound healing. While developmentally derived or originating from circulating monocytes, naïve macrophages can adopt a spectrum of context-dependent activation states ranging from pro-inflammatory (classically activated, M1) to pro-wound healing (alternatively activated, M2). Tumors are known to exploit macrophage polarization states to foster a tumor-permissive milieu, particularly by skewing macrophages toward a pro-tumor (M2) phenotype. These pro-tumoral macrophages can support cancer progression by several mechanisms including immune suppression, growth factor production, promotion of angiogenesis and tissue remodeling. By preventing the adoption of this pro-tumor phenotype or reprogramming these macrophages to a more pro-inflammatory state, it may be possible to inhibit tumor growth. Here, we describe types of tumor-derived signaling that facilitate macrophage reprogramming, including paracrine signaling and activation of innate immune checkpoints. We also describe intervention strategies targeting macrophage plasticity to limit disease progression and address their implications in cancer chemo- and immunotherapy.
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Affiliation(s)
| | | | | | - Eric Ubil
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, United States
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Cendrowicz E, Sas Z, Bremer E, Rygiel TP. The Role of Macrophages in Cancer Development and Therapy. Cancers (Basel) 2021; 13:1946. [PMID: 33919517 PMCID: PMC8073377 DOI: 10.3390/cancers13081946] [Citation(s) in RCA: 139] [Impact Index Per Article: 46.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/13/2021] [Accepted: 04/15/2021] [Indexed: 02/06/2023] Open
Abstract
Macrophages are critical mediators of tissue homeostasis and influence various aspects of immunity. Tumor-associated macrophages are one of the main cellular components of the tumor microenvironment. Depending on their activation status, macrophages can exert a dual influence on tumorigenesis by either antagonizing the cytotoxic activity of immune cells or, less frequently, by enhancing antitumor responses. In most situations, TAMs suppress T cell recruitment and function or regulate other aspects of tumor immunity. The importance of TAMs targeting in cancer therapy is derived from the strong association between the high infiltration of TAMs in the tumor tissue with poor patient prognosis. Several macrophage-targeting approaches in anticancer therapy are developed, including TAM depletion, inhibition of new TAM differentiation, or re-education of TAM activation for cancer cell phagocytosis. In this review, we will describe the role of TAMs in tumor development, including such aspects as protumorigenic inflammation, immune suppression, neoangiogenesis, and enhancement of tissue invasion and distant metastasis. Furthermore, we will discuss therapeutic approaches that aim to deplete TAMs or, on the contrary, re-educate TAMs for cancer cell phagocytosis and antitumor immunity.
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Affiliation(s)
- Ewa Cendrowicz
- Department of Hematology, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (E.C.); (E.B.)
| | - Zuzanna Sas
- Department of Immunology, Medical University of Warsaw, Nielubowicza 5 Street, Building F, 02-097 Warsaw, Poland;
| | - Edwin Bremer
- Department of Hematology, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (E.C.); (E.B.)
| | - Tomasz P. Rygiel
- Department of Immunology, Medical University of Warsaw, Nielubowicza 5 Street, Building F, 02-097 Warsaw, Poland;
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Identification and Validation of an Immune-Associated RNA-Binding Proteins Signature to Predict Clinical Outcomes and Therapeutic Responses in Glioma Patients. Cancers (Basel) 2021; 13:cancers13071730. [PMID: 33917399 PMCID: PMC8038676 DOI: 10.3390/cancers13071730] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 03/23/2021] [Accepted: 03/31/2021] [Indexed: 02/07/2023] Open
Abstract
The prognosis of patients with glioma is largely related to both the tumor-infiltrating immune cells and the expression of RNA-binding proteins (RBPs) that are able to regulate various pro-inflammatory and oncogenic mediators. However, immune-associated RBPs in glioma remain unexplored. In this study, we captured patient data from The Cancer Genome Atlas (TCGA) and divided them into two immune subtype groups according to the difference in infiltration of immune cells. After differential expression and co-expression analysis, we identified 216 RBPs defined as immune-associated RBPs. After narrowing down processes, eight RBPs were selected out to construct a risk signature that proven to be a novel and independent prognostic factor. The patients were divided into high- and low-risk groups on the basis of risk score. Higher risk scores meant worse overall survival and higher expression of human leukocyte antigen and immune checkpoints such as PD1 and CTLA4. In addition, analyses of pathway enrichment, somatic mutation, copy number variations and immuno-/chemotherapeutic response prediction were performed in high- and low-risk groups and compared with each other. For the first time, we demonstrated a novel signature composed of eight immune-associated RBPs that was valuable in predicting the survival of glioma patients and directing immunotherapy and chemotherapy.
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