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Suszczyk D, Skiba W, Pawłowska-Łachut A, Dymanowska-Dyjak I, Włodarczyk K, Paduch R, Wertel I. Immune Checkpoints in Endometriosis-A New Insight in the Pathogenesis. Int J Mol Sci 2024; 25:6266. [PMID: 38892453 PMCID: PMC11172867 DOI: 10.3390/ijms25116266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 05/29/2024] [Accepted: 06/03/2024] [Indexed: 06/21/2024] Open
Abstract
Endometriosis (EMS) is an oestrogen-dependent, chronic disease affecting women of a reproductive age. One of the important factors involved in the development of this disease is the complex disorders associated with the functioning of the immune system. Recent evidence has shown that EMS development is associated with changes in systemic and local immunity, including functional disturbances of effector and antigen-presenting cells. One of the reasons for immune imbalance can be the improper expression of immune checkpoints (ICPs). ICPs and their ligands are responsible for maintaining self-tolerance and the modulation of the initiation, duration, and magnitude of the immune response of effector cells in normal tissues to avoid tissue damage. Considering the complex nature of co-stimulatory or co-inhibitory ICPs and the signalling between effector cells and APCs, we hypothesise that changes in cells' activity caused by ICPs may lead to serious immune system disturbances in patients with endometriosis. Moreover, both upregulation and downregulation in the expression of ICPs may be implicated in this process, including the reduced activity of effector cells against endometrial implants and disturbances in the antigen-presenting process. In this narrative review, we discuss, for the first time, key findings from the emerging literature, describing the associations between ICPs and their possible implication in the pathogenesis of endometriosis.
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Affiliation(s)
- Dorota Suszczyk
- Independent Laboratory of Cancer Diagnostics and Immunology, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland; (D.S.); (W.S.); (A.P.-Ł.); (K.W.)
| | - Wiktoria Skiba
- Independent Laboratory of Cancer Diagnostics and Immunology, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland; (D.S.); (W.S.); (A.P.-Ł.); (K.W.)
| | - Anna Pawłowska-Łachut
- Independent Laboratory of Cancer Diagnostics and Immunology, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland; (D.S.); (W.S.); (A.P.-Ł.); (K.W.)
| | - Izabela Dymanowska-Dyjak
- Independent Laboratory of Minimally Invasive Gynecology and Gynecological Endocrinology, Medical University of Lublin, Staszica 16, 20-081 Lublin, Poland;
| | - Karolina Włodarczyk
- Independent Laboratory of Cancer Diagnostics and Immunology, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland; (D.S.); (W.S.); (A.P.-Ł.); (K.W.)
| | - Roman Paduch
- Department of Virology and Immunology, Institute of Microbiology and Biotechnology, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland;
| | - Iwona Wertel
- Independent Laboratory of Cancer Diagnostics and Immunology, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland; (D.S.); (W.S.); (A.P.-Ł.); (K.W.)
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Farhangnia P, Khorramdelazad H, Nickho H, Delbandi AA. Current and future immunotherapeutic approaches in pancreatic cancer treatment. J Hematol Oncol 2024; 17:40. [PMID: 38835055 DOI: 10.1186/s13045-024-01561-6] [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: 04/09/2024] [Accepted: 05/28/2024] [Indexed: 06/06/2024] Open
Abstract
Pancreatic cancer is a major cause of cancer-related death, but despondently, the outlook and prognosis for this resistant type of tumor have remained grim for a long time. Currently, it is extremely challenging to prevent or detect it early enough for effective treatment because patients rarely exhibit symptoms and there are no reliable indicators for detection. Most patients have advanced or spreading cancer that is difficult to treat, and treatments like chemotherapy and radiotherapy can only slightly prolong their life by a few months. Immunotherapy has revolutionized the treatment of pancreatic cancer, yet its effectiveness is limited by the tumor's immunosuppressive and hard-to-reach microenvironment. First, this article explains the immunosuppressive microenvironment of pancreatic cancer and highlights a wide range of immunotherapy options, including therapies involving oncolytic viruses, modified T cells (T-cell receptor [TCR]-engineered and chimeric antigen receptor [CAR] T-cell therapy), CAR natural killer cell therapy, cytokine-induced killer cells, immune checkpoint inhibitors, immunomodulators, cancer vaccines, and strategies targeting myeloid cells in the context of contemporary knowledge and future trends. Lastly, it discusses the main challenges ahead of pancreatic cancer immunotherapy.
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Affiliation(s)
- Pooya Farhangnia
- Reproductive Sciences and Technology Research Center, Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Board for Transplantation and Cell-Based Therapeutics (ImmunoTACT), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Hossein Khorramdelazad
- Department of Immunology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Hamid Nickho
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ali-Akbar Delbandi
- Reproductive Sciences and Technology Research Center, Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran.
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
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Hsu SK, Chou CK, Lin IL, Chang WT, Kuo IY, Chiu CC. Deubiquitinating enzymes: potential regulators of the tumor microenvironment and implications for immune evasion. Cell Commun Signal 2024; 22:259. [PMID: 38715050 PMCID: PMC11075295 DOI: 10.1186/s12964-024-01633-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 04/24/2024] [Indexed: 05/12/2024] Open
Abstract
Ubiquitination and deubiquitination are important forms of posttranslational modification that govern protein homeostasis. Deubiquitinating enzymes (DUBs), a protein superfamily consisting of more than 100 members, deconjugate ubiquitin chains from client proteins to regulate cellular homeostasis. However, the dysregulation of DUBs is reportedly associated with several diseases, including cancer. The tumor microenvironment (TME) is a highly complex entity comprising diverse noncancerous cells (e.g., immune cells and stromal cells) and the extracellular matrix (ECM). Since TME heterogeneity is closely related to tumorigenesis and immune evasion, targeting TME components has recently been considered an attractive therapeutic strategy for restoring antitumor immunity. Emerging studies have revealed the involvement of DUBs in immune modulation within the TME, including the regulation of immune checkpoints and immunocyte infiltration and function, which renders DUBs promising for potent cancer immunotherapy. Nevertheless, the roles of DUBs in the crosstalk between tumors and their surrounding components have not been comprehensively reviewed. In this review, we discuss the involvement of DUBs in the dynamic interplay between tumors, immune cells, and stromal cells and illustrate how dysregulated DUBs facilitate immune evasion and promote tumor progression. We also summarize potential small molecules that target DUBs to alleviate immunosuppression and suppress tumorigenesis. Finally, we discuss the prospects and challenges regarding the targeting of DUBs in cancer immunotherapeutics and several urgent problems that warrant further investigation.
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Affiliation(s)
- Sheng-Kai Hsu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Chon-Kit Chou
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Science, University of Macau, Macau SAR, 999078, P.R. China
| | - I-Ling Lin
- Department of Medical Laboratory Science and Biotechnology, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Wen-Tsan Chang
- Division of General and Digestive Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, 807, Taiwan
- Department of Surgery, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
- Center for Cancer Research, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - I-Ying Kuo
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.
| | - Chien-Chih Chiu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.
- Center for Cancer Research, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.
- Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan.
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, 807, Taiwan.
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4
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Li JJ, Mao JX, Zhong HX, Zhao YY, Teng F, Lu XY, Zhu LY, Gao Y, Fu H, Guo WY. Multifaceted roles of lymphatic and blood endothelial cells in the tumor microenvironment of hepatocellular carcinoma: A comprehensive review. World J Hepatol 2024; 16:537-549. [PMID: 38689749 PMCID: PMC11056903 DOI: 10.4254/wjh.v16.i4.537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 01/11/2024] [Accepted: 03/18/2024] [Indexed: 04/24/2024] Open
Abstract
The tumor microenvironment is a complex network of cells, extracellular matrix, and signaling molecules that plays a critical role in tumor progression and metastasis. Lymphatic and blood vessels are major routes for solid tumor metastasis and essential parts of tumor drainage conduits. However, recent studies have shown that lymphatic endothelial cells (LECs) and blood endothelial cells (BECs) also play multifaceted roles in the tumor microenvironment beyond their structural functions, particularly in hepatocellular carcinoma (HCC). This comprehensive review summarizes the diverse roles played by LECs and BECs in HCC, including their involvement in angiogenesis, immune modulation, lymphangiogenesis, and metastasis. By providing a detailed account of the complex interplay between LECs, BECs, and tumor cells, this review aims to shed light on future research directions regarding the immune regulatory function of LECs and potential therapeutic targets for HCC.
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Affiliation(s)
- Jing-Jing Li
- Department of Liver Surgery and Organ Transplantation, Shanghai Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Jia-Xi Mao
- Department of Liver Surgery and Organ Transplantation, Shanghai Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Han-Xiang Zhong
- Department of Liver Surgery and Organ Transplantation, Shanghai Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Yuan-Yu Zhao
- Department of Liver Surgery and Organ Transplantation, Shanghai Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Fei Teng
- Department of Liver Surgery and Organ Transplantation, Shanghai Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Xin-Yi Lu
- Department of Liver Surgery and Organ Transplantation, Shanghai Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Li-Ye Zhu
- Department of Liver Surgery and Organ Transplantation, Shanghai Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Yang Gao
- Department of Liver Surgery and Organ Transplantation, Shanghai Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Hong Fu
- Department of Liver Surgery and Organ Transplantation, Shanghai Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Wen-Yuan Guo
- Department of Liver Surgery and Organ Transplantation, Shanghai Changzheng Hospital, Naval Medical University, Shanghai 200003, China.
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5
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Wedig J, Jasani S, Mukherjee D, Lathrop H, Matreja P, Pfau T, D'Alesio L, Guenther A, Fenn L, Kaiser M, Torok MA, McGue J, Sizemore GM, Noonan AM, Dillhoff ME, Blaser BW, Frankel TL, Culp S, Hart PA, Cruz-Monserrate Z, Mace TA. CD200 is overexpressed in the pancreatic tumor microenvironment and predictive of overall survival. Cancer Immunol Immunother 2024; 73:96. [PMID: 38619621 PMCID: PMC11018596 DOI: 10.1007/s00262-024-03678-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 03/15/2024] [Indexed: 04/16/2024]
Abstract
Pancreatic cancer is an aggressive disease with a 5 year survival rate of 13%. This poor survival is attributed, in part, to limited and ineffective treatments for patients with metastatic disease, highlighting a need to identify molecular drivers of pancreatic cancer to target for more effective treatment. CD200 is a glycoprotein that interacts with the receptor CD200R and elicits an immunosuppressive response. Overexpression of CD200 has been associated with differential outcomes, depending on the tumor type. In the context of pancreatic cancer, we have previously reported that CD200 is expressed in the pancreatic tumor microenvironment (TME), and that targeting CD200 in murine tumor models reduces tumor burden. We hypothesized that CD200 is overexpressed on tumor and stromal populations in the pancreatic TME and that circulating levels of soluble CD200 (sCD200) have prognostic value for overall survival. We discovered that CD200 was overexpressed on immune, stromal, and tumor populations in the pancreatic TME. Particularly, single-cell RNA-sequencing indicated that CD200 was upregulated on inflammatory cancer-associated fibroblasts. Cytometry by time of flight analysis of PBMCs indicated that CD200 was overexpressed on innate immune populations, including monocytes, dendritic cells, and monocytic myeloid-derived suppressor cells. High sCD200 levels in plasma correlated with significantly worse overall and progression-free survival. Additionally, sCD200 correlated with the ratio of circulating matrix metalloproteinase (MMP) 3: tissue inhibitor of metalloproteinase (TIMP) 3 and MMP11/TIMP3. This study highlights the importance of CD200 expression in pancreatic cancer and provides the rationale for designing novel therapeutic strategies that target this protein.
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Affiliation(s)
- Jessica Wedig
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
- Molecular, Cellular and Developmental Biology Program, The Ohio State University, Columbus, USA
| | - Shrina Jasani
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
| | - Debasmita Mukherjee
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
- Molecular, Cellular and Developmental Biology Program, The Ohio State University, Columbus, USA
| | - Hannah Lathrop
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
| | - Priya Matreja
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
| | - Timothy Pfau
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
| | - Liliana D'Alesio
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
| | - Abigail Guenther
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
| | - Lexie Fenn
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
| | - Morgan Kaiser
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
| | - Molly A Torok
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
| | - Jake McGue
- Department of Surgical Oncology, University of Michigan, Ann Arbor, USA
| | - Gina M Sizemore
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
- Department of Radiation Oncology, The Ohio State University, Columbus, USA
| | - Anne M Noonan
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
- Department of Internal Medicine, Division of Medical Oncology, The Ohio State University Wexner Medical Center, Columbus, USA
| | - Mary E Dillhoff
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
- Department of Internal Medicine, Division of Surgical Oncology, The Ohio State University Wexner Medical Center, Columbus, USA
| | - Bradley W Blaser
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
- Department of Internal Medicine, Division of Hematology, The Ohio State University Wexner Medical Center, Columbus, USA
| | - Timothy L Frankel
- Department of Surgical Oncology, University of Michigan, Ann Arbor, USA
| | - Stacey Culp
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
- Department of Biomedical Informatics, The Ohio State University, Columbus, USA
| | - Phil A Hart
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
- Department of Internal Medicine, Division of Gastroenterology, Hepatology, and Nutrition, The Ohio State University Wexner Medical Center, 420 W. 12th Ave., Columbus, OH, 43210, USA
| | - Zobeida Cruz-Monserrate
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA
- Department of Internal Medicine, Division of Gastroenterology, Hepatology, and Nutrition, The Ohio State University Wexner Medical Center, 420 W. 12th Ave., Columbus, OH, 43210, USA
| | - Thomas A Mace
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, USA.
- Department of Internal Medicine, Division of Gastroenterology, Hepatology, and Nutrition, The Ohio State University Wexner Medical Center, 420 W. 12th Ave., Columbus, OH, 43210, USA.
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6
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Lu J, Luo Y, Rao D, Wang T, Lei Z, Chen X, Zhang B, Li Y, Liu B, Xia L, Huang W. Myeloid-derived suppressor cells in cancer: therapeutic targets to overcome tumor immune evasion. Exp Hematol Oncol 2024; 13:39. [PMID: 38609997 PMCID: PMC11010322 DOI: 10.1186/s40164-024-00505-7] [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: 01/28/2024] [Accepted: 03/31/2024] [Indexed: 04/14/2024] Open
Abstract
Paradoxically, tumor development and progression can be inhibited and promoted by the immune system. After three stages of immune editing, namely, elimination, homeostasis and escape, tumor cells are no longer restricted by immune surveillance and thus develop into clinical tumors. The mechanisms of immune escape include abnormalities in antitumor-associated immune cells, selection for immune resistance to tumor cells, impaired transport of T cells, and the formation of an immunosuppressive tumor microenvironment. A population of distinct immature myeloid cells, myeloid-derived suppressor cells (MDSCs), mediate immune escape primarily by exerting immunosuppressive effects and participating in the constitution of an immunosuppressive microtumor environment. Clinical trials have found that the levels of MDSCs in the peripheral blood of cancer patients are strongly correlated with tumor stage, metastasis and prognosis. Moreover, animal experiments have confirmed that elimination of MDSCs inhibits tumor growth and metastasis to some extent. Therefore, MDSCs may become the target of immunotherapy for many cancers, and eliminating MDSCs can help improve the response rate to cancer treatment and patient survival. However, a clear definition of MDSCs and the specific mechanism involved in immune escape are lacking. In this paper, we review the role of the MDSCs population in tumor development and the mechanisms involved in immune escape in different tumor contexts. In addition, we discuss the use of these cells as targets for tumor immunotherapy. This review not only contributes to a systematic and comprehensive understanding of the essential role of MDSCs in immune system reactions against tumors but also provides information to guide the development of cancer therapies targeting MDSCs.
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Affiliation(s)
- Junli Lu
- Hepatic Surgery Centre, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, Hubei, China
| | - Yiming Luo
- Hepatic Surgery Centre, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, Hubei, China
| | - Dean Rao
- Hepatic Surgery Centre, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, Hubei, China
| | - Tiantian Wang
- Hepatic Surgery Centre, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, Hubei, China
| | - Zhen Lei
- Hepatic Surgery Centre, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, Hubei, China
| | - Xiaoping Chen
- Hepatic Surgery Centre, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, Hubei, China
- Clinical Medicine Research Center for Hepatic Surgery of Hubei Province, Key Laboratory of Organ Transplantation, Ministry of Education and Ministry of Public Health, Wuhan, 430030, Hubei, China
| | - Bixiang Zhang
- Hepatic Surgery Centre, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, Hubei, China
- Clinical Medicine Research Center for Hepatic Surgery of Hubei Province, Key Laboratory of Organ Transplantation, Ministry of Education and Ministry of Public Health, Wuhan, 430030, Hubei, China
| | - Yiwei Li
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics and Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Bifeng Liu
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics and Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Limin Xia
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.
| | - Wenjie Huang
- Hepatic Surgery Centre, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, Hubei, China.
- Clinical Medicine Research Center for Hepatic Surgery of Hubei Province, Key Laboratory of Organ Transplantation, Ministry of Education and Ministry of Public Health, Wuhan, 430030, Hubei, China.
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Guo S, Wang Z. Unveiling the immunosuppressive landscape of pancreatic ductal adenocarcinoma: implications for innovative immunotherapy strategies. Front Oncol 2024; 14:1349308. [PMID: 38590651 PMCID: PMC10999533 DOI: 10.3389/fonc.2024.1349308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 03/12/2024] [Indexed: 04/10/2024] Open
Abstract
Pancreatic cancer, particularly pancreatic ductal adenocarcinoma (PDAC), stands as the fourth leading cause of cancer-related deaths in the United States, marked by challenging treatment and dismal prognoses. As immunotherapy emerges as a promising avenue for mitigating PDAC's malignant progression, a comprehensive understanding of the tumor's immunosuppressive characteristics becomes imperative. This paper systematically delves into the intricate immunosuppressive network within PDAC, spotlighting the significant crosstalk between immunosuppressive cells and factors in the hypoxic acidic pancreatic tumor microenvironment. By elucidating these mechanisms, we aim to provide insights into potential immunotherapy strategies and treatment targets, laying the groundwork for future studies on PDAC immunosuppression. Recognizing the profound impact of immunosuppression on PDAC invasion and metastasis, this discussion aims to catalyze the development of more effective and targeted immunotherapies for PDAC patients.
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Affiliation(s)
- Songyu Guo
- First Clinical Medical College, Inner Mongolia Medical University, Hohhot, China
- Department of Hepatic-Biliary-Pancreatic Surgery, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Zhenxia Wang
- Department of Hepatic-Biliary-Pancreatic Surgery, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
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Gorczynski R. Translation of Data from Animal Models of Cancer to Immunotherapy of Breast Cancer and Chronic Lymphocytic Leukemia. Genes (Basel) 2024; 15:292. [PMID: 38540350 PMCID: PMC10970502 DOI: 10.3390/genes15030292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 02/18/2024] [Accepted: 02/23/2024] [Indexed: 06/14/2024] Open
Abstract
The field of clinical oncology has been revolutionized over the past decade with the introduction of many new immunotherapies the existence of which have depended to a large extent on experimentation with both in vitro analysis and the use of various animal models, including gene-modified mice. The discussion below will review my own laboratory's studies, along with those of others in the field, on cancer immunotherapy. Our own studies have predominantly dwelt on two models of malignancy, namely a solid tumor model (breast cancer) and lymphoma. The data from our own laboratory, and that of other scientists, highlights the novel information so obtained, and the evidence that application of such information has already had an impact on immunotherapy of human oncologic diseases.
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Affiliation(s)
- Reginald Gorczynski
- Institute of Medical Science, Department of Immunology and Surgery, University of Toronto, C/O 429 Drewry Avenue, Toronto, ON M2R 2K6, Canada
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9
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Tang Y, Liu W, Kadu S, Johnson O, Hasanali ZS, Kelly A, Shestov A, Pajarillo R, Greenblatt E, Holmes M, Wang LP, Shih N, O’Connor RS, Ruella M, Garfall AL, Allman D, Vogl DT, Cohen A, June CH, Sheppard NC. Exploiting the CD200-CD200R immune checkpoint axis in multiple myeloma to enhance CAR T-cell therapy. Blood 2024; 143:139-151. [PMID: 37616575 PMCID: PMC10862366 DOI: 10.1182/blood.2022018658] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 06/22/2023] [Accepted: 07/15/2023] [Indexed: 08/26/2023] Open
Abstract
ABSTRACT Patients with multiple myeloma (MM) treated with B-cell maturation antigen (BCMA)-specific chimeric antigen receptor (CAR) T cells usually relapse with BCMA+ disease, indicative of CAR T-cell suppression. CD200 is an immune checkpoint that is overexpressed on aberrant plasma cells (aPCs) in MM and is an independent negative prognostic factor for survival. However, CD200 is not present on MM cell lines, a potential limitation of current preclinical models. We engineered MM cell lines to express CD200 at levels equivalent to those found on aPCs in MM and show that these are sufficient to suppress clinical-stage CAR T-cells targeting BCMA or the Tn glycoform of mucin 1 (TnMUC1), costimulated by 4-1BB and CD2, respectively. To prevent CD200-mediated suppression of CAR T cells, we compared CRISPR-Cas9-mediated knockout of the CD200 receptor (CD200RKO), to coexpression of versions of the CD200 receptor that were nonsignaling, that is, dominant negative (CD200RDN), or that leveraged the CD200 signal to provide CD28 costimulation (CD200R-CD28 switch). We found that the CD200R-CD28 switch potently enhanced the polyfunctionality of CAR T cells, and improved cytotoxicity, proliferative capacity, CAR T-cell metabolism, and performance in a chronic antigen exposure assay. CD200RDN provided modest benefits, but surprisingly, the CD200RKO was detrimental to CAR T-cell activity, adversely affecting CAR T-cell metabolism. These patterns held up in murine xenograft models of plasmacytoma, and disseminated bone marrow predominant disease. Our findings underscore the importance of CD200-mediated immune suppression in CAR T-cell therapy of MM, and highlight a promising approach to enhance such therapies by leveraging CD200 expression on aPCs to provide costimulation via a CD200R-CD28 switch.
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Affiliation(s)
- Yan Tang
- Center for Cellular Immunotherapies, University of Pennsylvania, Philadelphia, PA
| | - Wei Liu
- Center for Cellular Immunotherapies, University of Pennsylvania, Philadelphia, PA
| | - Siddhant Kadu
- Center for Cellular Immunotherapies, University of Pennsylvania, Philadelphia, PA
| | - Omar Johnson
- Center for Cellular Immunotherapies, University of Pennsylvania, Philadelphia, PA
| | - Zainul S. Hasanali
- Division of Hematology and Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Andre Kelly
- Center for Cellular Immunotherapies, University of Pennsylvania, Philadelphia, PA
| | - Alexander Shestov
- Center for Cellular Immunotherapies, University of Pennsylvania, Philadelphia, PA
| | - Raymone Pajarillo
- Center for Cellular Immunotherapies, University of Pennsylvania, Philadelphia, PA
- Division of Hematology and Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | | | | | - Li-Ping Wang
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Natalie Shih
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Roddy S. O’Connor
- Center for Cellular Immunotherapies, University of Pennsylvania, Philadelphia, PA
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Marco Ruella
- Division of Hematology and Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Alfred L. Garfall
- Division of Hematology and Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - David Allman
- Division of Hematology and Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Dan T. Vogl
- Division of Hematology and Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Adam Cohen
- Division of Hematology and Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Carl H. June
- Center for Cellular Immunotherapies, University of Pennsylvania, Philadelphia, PA
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Neil C. Sheppard
- Center for Cellular Immunotherapies, University of Pennsylvania, Philadelphia, PA
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
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10
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Luo W, Wen T, Qu X. Tumor immune microenvironment-based therapies in pancreatic ductal adenocarcinoma: time to update the concept. J Exp Clin Cancer Res 2024; 43:8. [PMID: 38167055 PMCID: PMC10759657 DOI: 10.1186/s13046-023-02935-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 12/18/2023] [Indexed: 01/05/2024] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal solid tumors. The tumor immune microenvironment (TIME) formed by interactions among cancer cells, immune cells, cancer-associated fibroblasts (CAF), and extracellular matrix (ECM) components drives PDAC in a more immunosuppressive direction: this is a major cause of therapy resistance and poor prognosis. In recent years, research has advanced our understanding of the signaling mechanism by which TIME components interact with the tumor and the evolution of immunophenotyping. Through revolutionary technologies such as single-cell sequencing, we have gone from simply classifying PDACs as "cold" and "hot" to a more comprehensive approach of immunophenotyping that considers all the cells and matrix components. This is key to improving the clinical efficacy of PDAC treatments. In this review, we elaborate on various TIME components in PDAC, the signaling mechanisms underlying their interactions, and the latest research into PDAC immunophenotyping. A deep understanding of these network interactions will contribute to the effective combination of TIME-based therapeutic approaches, such as immune checkpoint inhibitors (ICI), adoptive cell therapy, therapies targeting myeloid cells, CAF reprogramming, and stromal normalization. By selecting the appropriate integrated therapies based on precise immunophenotyping, significant advances in the future treatment of PDAC are possible.
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Affiliation(s)
- Wenyu Luo
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang, 110001, Liaoning, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang, 110001, Liaoning, China
- Clinical Cancer Research Center of Shenyang, the First Hospital of China Medical University, Shenyang, 110001, China
- Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, Shenyang, 110001, Liaoning, China
| | - Ti Wen
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang, 110001, Liaoning, China.
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang, 110001, Liaoning, China.
- Clinical Cancer Research Center of Shenyang, the First Hospital of China Medical University, Shenyang, 110001, China.
- Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, Shenyang, 110001, Liaoning, China.
| | - Xiujuan Qu
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang, 110001, Liaoning, China.
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang, 110001, Liaoning, China.
- Clinical Cancer Research Center of Shenyang, the First Hospital of China Medical University, Shenyang, 110001, China.
- Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, Shenyang, 110001, Liaoning, China.
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11
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Nip C, Wang L, Liu C. CD200/CD200R: Bidirectional Role in Cancer Progression and Immunotherapy. Biomedicines 2023; 11:3326. [PMID: 38137547 PMCID: PMC10741515 DOI: 10.3390/biomedicines11123326] [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: 11/03/2023] [Revised: 12/01/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023] Open
Abstract
As an immune checkpoint molecule, CD200 serves a foundational role in regulating immune homeostasis and promoting self-tolerance. While CD200 expression occurs in various immune cell subsets and normal tissues, its aberrant expression patterns in hematologic malignancies and solid tumors have been linked to immune evasion and cancer progression under pathological conditions, particularly through interactions with its cognate receptor, CD200R. Through this CD200/CD200R signaling pathway, CD200 exerts its immunosuppressive effects by inhibiting natural killer (NK) cell activation, cytotoxic T cell functions, and M1-polarized macrophage activity, while also facilitating expansion of myeloid-derived suppressor cells (MDSCs) and Tregs. Moreover, CD200/CD200R expression has been linked to epithelial-to-mesenchymal transition and distant metastasis, further illustrating its role in cancer progression. Conversely, CD200 has also been shown to exert anti-tumor effects in certain cancer types, such as breast carcinoma and melanoma, indicating that CD200 may exert bidirectional effects on cancer progression depending on the specific tumor microenvironment (TME). Regardless, modulating the CD200/CD200R axis has garnered clinical interest as a potential immunotherapeutic strategy for cancer therapy, as demonstrated by early-phase clinical trials. However, further research is necessary to fully understand the complex interactions of CD200 in the tumor microenvironment and to optimize its therapeutic potential in cancer immunotherapy.
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Affiliation(s)
- Christopher Nip
- Department of Urologic Surgery, University of California, Davis, CA 95817, USA; (C.N.); (L.W.)
| | - Leyi Wang
- Department of Urologic Surgery, University of California, Davis, CA 95817, USA; (C.N.); (L.W.)
- Graduate Group in Integrative Pathobiology, University of California, Davis, CA 95817, USA
| | - Chengfei Liu
- Department of Urologic Surgery, University of California, Davis, CA 95817, USA; (C.N.); (L.W.)
- Graduate Group in Integrative Pathobiology, University of California, Davis, CA 95817, USA
- UC Davis Comprehensive Cancer Center, University of California, Davis, CA 95817, USA
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12
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Liu Z, Zhang Y, Wu C. Single-cell sequencing in pancreatic cancer research: A deeper understanding of heterogeneity and therapy. Biomed Pharmacother 2023; 168:115664. [PMID: 37837881 DOI: 10.1016/j.biopha.2023.115664] [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: 07/05/2023] [Revised: 09/28/2023] [Accepted: 10/06/2023] [Indexed: 10/16/2023] Open
Abstract
Pancreatic cancer, including pancreatic ductal adenocarcinomas (PDACs), is a malignant tumor with characteristics of tumor-stroma interactions. Patients often have a poor prognosis and a poor long-term survival rate. In recent years, rapidly-developing single-cell sequencing techniques have been used to analyze cell populations at a single-cell resolution, so that it is now possible to have a more in-depth and clearer understanding of the genetic composition of pancreatic cancer. In this review, we provide an overview of the current single-cell sequencing techniques and their applications in the exploration of intratumoral heterogeneity, the tumor microenvironment, therapy resistance, and novel treatments. Our hope is to provide new insight into the potential of precision therapy, which will perhaps one day lead to significant advances in PDAC treatment.
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Affiliation(s)
- Zhuomiao Liu
- Department of Radiation Oncology, the Fourth Affiliated Hospital of China Medical University, Shenyang, China
| | - Yalin Zhang
- Department of Radiation Oncology, the Fourth Affiliated Hospital of China Medical University, Shenyang, China
| | - Chunli Wu
- Department of Radiation Oncology, the Fourth Affiliated Hospital of China Medical University, Shenyang, China.
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13
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Liao KL, Watt KD, Protin T. Different mechanisms of CD200-CD200R induce diverse outcomes in cancer treatment. Math Biosci 2023; 365:109072. [PMID: 37734537 DOI: 10.1016/j.mbs.2023.109072] [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: 06/20/2023] [Revised: 08/09/2023] [Accepted: 08/26/2023] [Indexed: 09/23/2023]
Abstract
The CD200 is a cell membrane protein expressed by tumor cells, and its receptor CD200 receptor (CD200R) is expressed by immune cells including macrophages and dendritic cells. The formation of CD200-CD200R inhibits the cellular functions of the targeted immune cells, so CD200 is one type of the immune checkpoint and blockade CD200-CD200R formation is a potential cancer treatment. However, the CD200 blockade has opposite treatment outcomes in different types of cancers. For instance, the CD200R deficient mice have a higher tumor load than the wild type (WT) mice in melanoma suggesting that CD200-CD200R inhibits melanoma. On the other hand, the antibody anti-CD200 treatment in pancreatic ductal adenocarcinoma (PDAC) and head and neck squamous cell carcinoma (HNSCC) significantly reduces the tumor load indicating that CD200-CD200R promotes PDAC and HNSCC. In this work, we hypothesize that different mechanisms of CD200-CD200R in tumor microenvironment could be one of the reasons for the diverse treatment outcomes of CD200 blockade in different types of cancers. We create one Ordinary Differential Equations (ODEs) model for melanoma including the inhibition of CCL8 and regulatory T cells and the switching from M2 to M1 macrophages by CD200-CD200R to capture the tumor inhibition by CD200-CD200R. We also create another ODEs model for PDAC and HNSCC including the promotion of the polarization and suppressive activities of M2 macrophages by CD200-CD200R to generate the tumor promotion by CD200-CD200R. Furthermore, we use these two models to investigate the treatment efficacy of the combination treatment between the CD200-CD200R blockade and the other immune checkpoint inhibitor, anti-PD-1. Our result shows that different mechanisms of CD200-CD200R can induce different treatment outcomes in combination treatments, namely, only the CD200-CD200R blockade reduces tumor load in melanoma and only the anti-PD-1 and CD200 knockout decrease tumor load in PDAC and HNSCC. Moreover, in melanoma, the CD200-CD200R mainly utilizes the inhibitions on M1 macrophages and dendritic cells to inhibit tumor growth, instead of M2 macrophages.
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Affiliation(s)
- Kang-Ling Liao
- Department of Mathematics, University of Manitoba, Winnipeg, Manitoba, R3T 2N2, Canada.
| | - Kenton D Watt
- Department of Mathematics, University of Manitoba, Winnipeg, Manitoba, R3T 2N2, Canada
| | - Tom Protin
- Department of Applied Mathematics, INSA Rennes, France
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14
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Remley VA, Linden J, Bauer TW, Dimastromatteo J. Unlocking antitumor immunity with adenosine receptor blockers. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2023; 6:748-767. [PMID: 38263981 PMCID: PMC10804392 DOI: 10.20517/cdr.2023.63] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 10/06/2023] [Accepted: 10/16/2023] [Indexed: 01/25/2024]
Abstract
Tumors survive by creating a tumor microenvironment (TME) that suppresses antitumor immunity. The TME suppresses the immune system by limiting antigen presentation, inhibiting lymphocyte and natural killer (NK) cell activation, and facilitating T cell exhaustion. Checkpoint inhibitors like anti-PD-1 and anti-CTLA4 are immunostimulatory antibodies, and their blockade extends the survival of some but not all cancer patients. Extracellular adenosine triphosphate (ATP) is abundant in inflamed tumors, and its metabolite, adenosine (ADO), is a driver of immunosuppression mediated by adenosine A2A receptors (A2AR) and adenosine A2B receptors (A2BR) found on tumor-associated lymphoid and myeloid cells. This review will focus on adenosine as a key checkpoint inhibitor-like immunosuppressive player in the TME and how reducing adenosine production or blocking A2AR and A2BR enhances antitumor immunity.
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Affiliation(s)
- Victoria A. Remley
- Department of Surgery, University of Virginia, Charlottesville, VA 22903, USA
- University of Virginia Comprehensive Cancer Center, Charlottesville, VA 22903, USA
| | | | - Todd W. Bauer
- Department of Surgery, University of Virginia, Charlottesville, VA 22903, USA
- University of Virginia Comprehensive Cancer Center, Charlottesville, VA 22903, USA
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15
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Moon SY, Han M, Ryu G, Shin SA, Lee JH, Lee CS. Emerging Immune Checkpoint Molecules on Cancer Cells: CD24 and CD200. Int J Mol Sci 2023; 24:15072. [PMID: 37894750 PMCID: PMC10606340 DOI: 10.3390/ijms242015072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/04/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
Cancer immunotherapy strategies are based on the utilization of immune checkpoint inhibitors to instigate an antitumor immune response. The efficacy of immune checkpoint blockade, directed at adaptive immune checkpoints, has been demonstrated in select cancer types. However, only a limited subset of patients has exhibited definitive outcomes characterized by a sustained response after discontinuation of therapy. Recent investigations have highlighted the significance of immune checkpoint molecules that are overexpressed in cancer cells and inhibit myeloid lineage immune cells within a tumor microenvironment. These checkpoints are identified as potential targets for anticancer immune responses. Notably, the immune checkpoint molecules CD24 and CD200 have garnered attention owing to their involvement in tumor immune evasion. CD24 and CD200 are overexpressed across diverse cancer types and serve as signaling checkpoints by engaging their respective receptors, Siglec-10 and CD200 receptor, which are expressed on tumor-associated myeloid cells. In this review, we summarized and discussed the latest advancements and insights into CD24 and CD200 as emergent immune checkpoint moieties, further delving into their therapeutic potentials for cancer treatment.
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Affiliation(s)
- Sun Young Moon
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea; (S.Y.M.); (M.H.); (G.R.); (S.-A.S.)
| | - Minjoo Han
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea; (S.Y.M.); (M.H.); (G.R.); (S.-A.S.)
| | - Gyoungah Ryu
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea; (S.Y.M.); (M.H.); (G.R.); (S.-A.S.)
| | - Seong-Ah Shin
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea; (S.Y.M.); (M.H.); (G.R.); (S.-A.S.)
| | - Jun Hyuck Lee
- Research Unit of Cryogenic Novel Material, Korea Polar Research Institute, Incheon 21990, Republic of Korea;
- Department of Polar Sciences, University of Science and Technology, Incheon 21990, Republic of Korea
| | - Chang Sup Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea; (S.Y.M.); (M.H.); (G.R.); (S.-A.S.)
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16
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Chang CH, Chen CJ, Yu CF, Tsai HY, Chen FH, Chiang CS. Targeting M-MDSCs enhances the therapeutic effect of BNCT in the 4-NQO-induced murine head and neck squamous cell carcinoma model. Front Oncol 2023; 13:1263873. [PMID: 37886177 PMCID: PMC10598372 DOI: 10.3389/fonc.2023.1263873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 09/15/2023] [Indexed: 10/28/2023] Open
Abstract
Purpose Malignant head and neck squamous cell carcinoma (HNSCC) is characterized by a poor prognosis and resistance to conventional radiotherapy. Infiltrating myeloid-derived suppressive cells (MDSCs) is prominent in HNSCC and is linked to immune suppression and tumor aggressiveness. This study aimed to investigate the impact of boron neutron capture therapy (BNCT) on the MDSCs in the tumor microenvironment and peripheral blood and to explore the potential for MDSCs depletion combined with BNCT to reactivate antitumor immunity. Methods and materials Carcinogen, 4-NQO, -induced oral tumors were irradiated with a total physical dose of 2 Gy BNCT in Tsing Hua Open Reactor (THOR). Flow cytometry and immunohistochemistry accessed the dynamics of peripheral MDSCs and infiltrated MDSCs within the tumor microenvironment. Mice were injected with an inhibitor of CSF-1 receptor (CSF-1R), PLX3397, to determine whether modulating M-MDSCs could affect mice survival after BNCT. Results Peripheral CD11b+Ly6ChighLy6G- monocytic-MDSCs (M-MDSCs), but not CD11b+Ly6CloLy6Ghigh polymorphonuclear-MDSCs (PMN-MDSCs), increased as tumor progression. After BNCT treatment, there were temporarily decreased and persistent increases of M-MDSCs thereafter, either in peripheral blood or in tumors. The administration of PLX-3397 hindered BNCT-caused M-MDSCs infiltration, prolonged mice survival, and activated tumor immunity by decreasing tumor-associated macrophages (TAMs) and increasing CD8+ T cells. Conclusion M-MDSCs were recruited into 4-NQO-induced tumors after BNCT, and their number was also increased in peripheral blood. Assessment of M-MDSCs levels in peripheral blood could be an index to determine the optimal intervention window. Their temporal alteration suggests an association with tumor recurrence after BNCT, making M-MDSCs a potential intervention target. Our preliminary results showed that PLX-3397 had strong M-MDSCs, TAMs, and TIL (tumor-infiltrating lymphocyte) modulating effects that could synergize tumor control when combined with BNCT.
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Affiliation(s)
- Chun-Hsiang Chang
- Department of Biomedical Engineering and Environment Sciences, National Tsing Hua University, Hsinchu, Taiwan
| | - Chi-Jui Chen
- Department of Biomedical Engineering and Environment Sciences, National Tsing Hua University, Hsinchu, Taiwan
| | - Ching-Fang Yu
- Institute for Radiological Research, Chang Gung University, Taoyuan, Taiwan
- Department of Radiation Oncology, Chang Gung Memorial Hospital Linkou Branch, Taoyuan, Taiwan
| | - Hui-Yu Tsai
- Institute of Nuclear Engineering and Science, National Tsing Hua University, Hsinchu, Taiwan
| | - Fang-Hsin Chen
- Institute of Nuclear Engineering and Science, National Tsing Hua University, Hsinchu, Taiwan
| | - Chi-Shiun Chiang
- Department of Biomedical Engineering and Environment Sciences, National Tsing Hua University, Hsinchu, Taiwan
- Institute of Nuclear Engineering and Science, National Tsing Hua University, Hsinchu, Taiwan
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17
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Mukherjee D, Chakraborty S, Bercz L, D’Alesio L, Wedig J, Torok MA, Pfau T, Lathrop H, Jasani S, Guenther A, McGue J, Adu-Ampratwum D, Fuchs JR, Frankel TL, Pietrzak M, Culp S, Strohecker AM, Skardal A, Mace TA. Tomatidine targets ATF4-dependent signaling and induces ferroptosis to limit pancreatic cancer progression. iScience 2023; 26:107408. [PMID: 37554459 PMCID: PMC10405072 DOI: 10.1016/j.isci.2023.107408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/19/2023] [Accepted: 07/13/2023] [Indexed: 08/10/2023] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is an aggressive cancer with high metastasis and therapeutic resistance. Activating transcription factor 4 (ATF4), a master regulator of cellular stress, is exploited by cancer cells to survive. Prior research and data reported provide evidence that high ATF4 expression correlates with worse overall survival in PDAC. Tomatidine, a natural steroidal alkaloid, is associated with inhibition of ATF4 signaling in multiple diseases. Here, we discovered that in vitro and in vivo tomatidine treatment of PDAC cells inhibits tumor growth. Tomatidine inhibited nuclear translocation of ATF4 and reduced the transcriptional binding of ATF4 with downstream promoters. Tomatidine enhanced gemcitabine chemosensitivity in 3D ECM-hydrogels and in vivo. Tomatidine treatment was associated with induction of ferroptosis signaling validated by increased lipid peroxidation, mitochondrial biogenesis, and decreased GPX4 expression in PDAC cells. This study highlights a possible therapeutic approach utilizing a plant-derived metabolite, tomatidine, to target ATF4 activity in PDAC.
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Affiliation(s)
- Debasmita Mukherjee
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- Molecular, Cellular and Developmental Biology Program, The Ohio State University, Columbus, OH 43210, USA
| | - Srija Chakraborty
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Lena Bercz
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Liliana D’Alesio
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Jessica Wedig
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- Molecular, Cellular and Developmental Biology Program, The Ohio State University, Columbus, OH 43210, USA
| | - Molly A. Torok
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Timothy Pfau
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Hannah Lathrop
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Shrina Jasani
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Abigail Guenther
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Jake McGue
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109, USA
| | - Daniel Adu-Ampratwum
- Division of Medicinal Chemistry & Pharmacognosy, The Ohio State University, Columbus, OH 43210, USA
| | - James R. Fuchs
- Division of Medicinal Chemistry & Pharmacognosy, The Ohio State University, Columbus, OH 43210, USA
| | | | - Maciej Pietrzak
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH 43210, USA
| | - Stacey Culp
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH 43210, USA
| | - Anne M. Strohecker
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- Department of Cancer Biology & Genetics, The Ohio State University, Columbus, OH 43210, USA
| | - Aleksander Skardal
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Thomas A. Mace
- The James Comprehensive Cancer Center, Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- Department of Internal Medicine, Division of Gastroenterology, Hepatology, and Nutrition, The Ohio State University, Columbus, OH 43210, USA
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18
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Dong C, Zou D, Duan H, Hu X, Zhou Q, Shi W, Li Z. Ex vivo cultivated retinal pigment epithelial cell transplantation for the treatment of rabbit corneal endothelial dysfunction. EYE AND VISION (LONDON, ENGLAND) 2023; 10:34. [PMID: 37528478 PMCID: PMC10394777 DOI: 10.1186/s40662-023-00351-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 07/04/2023] [Indexed: 08/03/2023]
Abstract
OBJECTIVE Stem cell therapy is a promising strategy for the treatment of corneal endothelial dysfunction, and the need to find functional alternative seed cells of corneal endothelial cells (CECs) is urgent. Here, we determined the feasibility of using the retinal pigment epithelium (RPE) as an equivalent substitute for the treatment of corneal endothelial dysfunction. METHODS RPE cells and CECs in situ were obtained from healthy New Zealand male rabbits, and the similarities and differences between them were analyzed by electron microscopy, immunofluorescent staining, and quantitative real-time reverse transcription polymerase chain reaction (qRT-PCR). Rabbit primary RPE cells and CECs were isolated and cultivated ex vivo, and Na+/K+-ATPase activity and cellular permeability were detected at passage 2. The injection of cultivated rabbit primary RPE cells, CECs and human embryonic stem cell (hESC)-derived RPE cells was performed on rabbits with corneal endothelial dysfunction. Then, the therapeutic effects were evaluated by corneal transparency, central corneal thickness, enzyme linked immunosorbent assay (ELISA), qRT-PCR and immunofluorescent staining. RESULTS The rabbit RPE cells were similar in form to CECs in situ and ex vivo, showing a larger regular hexagonal shape and a lower cell density, with numerous tightly formed cell junctions and hemidesmosomes. Moreover, RPE cells presented a stronger barrier and ionic pumping capacity than CECs. When intracamerally injected into the rabbits, the transplanted primary RPE cells could dissolve corneal edema and decrease corneal thickness, with effects similar to those of CECs. In addition, the transplantation of hESC-derived RPE cells exhibited a similar therapeutic effect and restored corneal transparency and thickness within seven days. qRT-PCR results showed that the expressions of CEC markers, like CD200 and S100A4, increased, and the RPE markers OTX2, BEST1 and MITF significantly decreased in the transplanted RPE cells. Furthermore, we have demonstrated that rabbits transplanted with hESC-derived RPE cells maintained normal corneal thickness and exhibited slight pigmentation in the central cornea one month after surgery. Immunostaining results showed that the HuNu-positive transplanted cells survived and expressed ZO1, ATP1A1 and MITF. CONCLUSION RPE cells and CECs showed high structural and functional similarities in barrier and pump characteristics. Intracameral injection of primary RPE cells and hESC-derived RPE cells can effectively restore rabbit corneal clarity and thickness and maintain normal corneal function. This study is the first to report the effectiveness of RPE cells for corneal endothelial dysfunction, suggesting the feasibility of hESC-derived RPE cells as an equivalent substitute for CECs.
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Affiliation(s)
- Chunxiao Dong
- Department of Medicine, Qingdao University, Qingdao, 266071, China
- Eye Institute of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, 266071, China
- Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), Jinan, 250000, China
- School of Ophthalmology, Shandong First Medical University, Jinan, 250000, China
| | - Dulei Zou
- Department of Medicine, Qingdao University, Qingdao, 266071, China
- Eye Institute of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, 266071, China
- Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), Jinan, 250000, China
- School of Ophthalmology, Shandong First Medical University, Jinan, 250000, China
| | - Haoyun Duan
- Eye Institute of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, 266071, China
- School of Ophthalmology, Shandong First Medical University, Jinan, 250000, China
| | - Xiangyue Hu
- Eye Institute of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, 266071, China
- School of Ophthalmology, Shandong First Medical University, Jinan, 250000, China
| | - Qingjun Zhou
- Eye Institute of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, 266071, China
- School of Ophthalmology, Shandong First Medical University, Jinan, 250000, China
| | - Weiyun Shi
- Eye Institute of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, 266071, China
- Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), Jinan, 250000, China
- School of Ophthalmology, Shandong First Medical University, Jinan, 250000, China
| | - Zongyi Li
- Eye Institute of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, 266071, China.
- School of Ophthalmology, Shandong First Medical University, Jinan, 250000, China.
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Mou J, Zheng W, Wei D, Li D, Fan R, Tang Q. CD200-CD200R affects cisplatin and paclitaxel sensitivity by regulating cathepsin K-mediated p65 NF-κB signaling in cervical cancer. Heliyon 2023; 9:e19220. [PMID: 37654464 PMCID: PMC10465862 DOI: 10.1016/j.heliyon.2023.e19220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 08/11/2023] [Accepted: 08/16/2023] [Indexed: 09/02/2023] Open
Abstract
Background CD200-CD200R plays a critical role in regulating the human tumor microenvironment, but its role in cervical cancer remains unclear. Methods A total of 62 paraffin blocks of tumor tissues were collected from cervical cancer patients. Expression of CD200 and cathepsin K (CTSK) in cancer tissues and para-cancerous tissues was analyzed by immunohistochemistry. Stably transfected CD200 cells were established in HeLa and SiHa cells. Human THP-1 monocytes were induced to differentiate into M2 macrophages. HeLa and SiHa cells were cultured in conditioned medium from M2 macrophages to observe the effects of CD200-CD200R on invasion, CTSK, p65NF-κB, and cisplatin or paclitaxel sensitivity in cervical cancer cells. HeLa cells were injected to induce xenograft tumors in mice, and a CTSK inhibitor, MK-0822, was used to confirm the regulation of CTSK and paclitaxel sensitivity by CD200-CD200R in vivo. Results A significant decrease in CD200 and CTSK expression was found in tumor cancer tissues compared with para-cancerous tissues. Only CD200 overexpression did not affect cervical cell invasion, but CD200-CD200R could enhance the cell invasion and resistance to cisplatin or paclitaxel. Meanwhile, expression of CTSK and p-p65NF-κB in cancer cells stably transfected with CD200 was obviously increased after culture in conditioned medium from M2 macrophages compared with transfection with the plasmid control. In vivo, CTSK inhibition significantly suppressed the effects of CD200-CD200R overexpression on the response to paclitaxel by suppressing the CTSK-mediated NF-κB pathway. Conclusions CD200-CD200R regulates CTSK-mediated NF-κB pathway to affect cisplatin or paclitaxel sensitivity in cervical cancer, which provides a possible immunotherapeutic target and combination strategy for advanced cervical cancer.
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Affiliation(s)
- Junjun Mou
- Department of Radiotherapy, Yantai Yuhuangding Hospital, Yantai, 264000, China
| | - Wei Zheng
- Department of Gynecology, Yantai Yuhuangding Hospital, Yantai, 264000, China
| | - Dong Wei
- Department of Radiotherapy, Yantai Yuhuangding Hospital, Yantai, 264000, China
| | - Dalei Li
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, 264000, China
| | - Rong Fan
- Yantai Raphael Biotechnology Co.,Ltd, 264200, China
| | - Qing Tang
- Department of Gynecology, Yantai Yuhuangding Hospital, Yantai, 264000, China
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20
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Gautam SK, Batra SK, Jain M. Molecular and metabolic regulation of immunosuppression in metastatic pancreatic ductal adenocarcinoma. Mol Cancer 2023; 22:118. [PMID: 37488598 PMCID: PMC10367391 DOI: 10.1186/s12943-023-01813-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 06/23/2023] [Indexed: 07/26/2023] Open
Abstract
Immunosuppression is a hallmark of pancreatic ductal adenocarcinoma (PDAC), contributing to early metastasis and poor patient survival. Compared to the localized tumors, current standard-of-care therapies have failed to improve the survival of patients with metastatic PDAC, that necessecitates exploration of novel therapeutic approaches. While immunotherapies such as immune checkpoint blockade (ICB) and therapeutic vaccines have emerged as promising treatment modalities in certain cancers, limited responses have been achieved in PDAC. Therefore, specific mechanisms regulating the poor response to immunotherapy must be explored. The immunosuppressive microenvironment driven by oncogenic mutations, tumor secretome, non-coding RNAs, and tumor microbiome persists throughout PDAC progression, allowing neoplastic cells to grow locally and metastasize distantly. The metastatic cells escaping the host immune surveillance are unique in molecular, immunological, and metabolic characteristics. Following chemokine and exosomal guidance, these cells metastasize to the organ-specific pre-metastatic niches (PMNs) constituted by local resident cells, stromal fibroblasts, and suppressive immune cells, such as the metastasis-associated macrophages, neutrophils, and myeloid-derived suppressor cells. The metastatic immune microenvironment differs from primary tumors in stromal and immune cell composition, functionality, and metabolism. Thus far, multiple molecular and metabolic pathways, distinct from primary tumors, have been identified that dampen immune effector functions, confounding the immunotherapy response in metastatic PDAC. This review describes major immunoregulatory pathways that contribute to the metastatic progression and limit immunotherapy outcomes in PDAC. Overall, we highlight the therapeutic vulnerabilities attributable to immunosuppressive factors and discuss whether targeting these molecular and immunological "hot spots" could improve the outcomes of PDAC immunotherapies.
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Affiliation(s)
- Shailendra K Gautam
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
| | - Surinder K Batra
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Maneesh Jain
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
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21
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Chi H, Gao X, Xia Z, Yu W, Yin X, Pan Y, Peng G, Mao X, Teichmann AT, Zhang J, Tran LJ, Jiang T, Liu Y, Yang G, Wang Q. FAM family gene prediction model reveals heterogeneity, stemness and immune microenvironment of UCEC. Front Mol Biosci 2023; 10:1200335. [PMID: 37275958 PMCID: PMC10235772 DOI: 10.3389/fmolb.2023.1200335] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 05/09/2023] [Indexed: 06/07/2023] Open
Abstract
Background: Endometrial cancer (UCEC) is a highly heterogeneous gynecologic malignancy that exhibits variable prognostic outcomes and responses to immunotherapy. The Familial sequence similarity (FAM) gene family is known to contribute to the pathogenesis of various malignancies, but the extent of their involvement in UCEC has not been systematically studied. This investigation aimed to develop a robust risk profile based on FAM family genes (FFGs) to predict the prognosis and suitability for immunotherapy in UCEC patients. Methods: Using the TCGA-UCEC cohort from The Cancer Genome Atlas (TCGA) database, we obtained expression profiles of FFGs from 552 UCEC and 35 normal samples, and analyzed the expression patterns and prognostic relevance of 363 FAM family genes. The UCEC samples were randomly divided into training and test sets (1:1), and univariate Cox regression analysis and Lasso Cox regression analysis were conducted to identify the differentially expressed genes (FAM13C, FAM110B, and FAM72A) that were significantly associated with prognosis. A prognostic risk scoring system was constructed based on these three gene characteristics using multivariate Cox proportional risk regression. The clinical potential and immune status of FFGs were analyzed using CiberSort, SSGSEA, and tumor immune dysfunction and rejection (TIDE) algorithms. qRT-PCR and IHC for detecting the expression levels of 3-FFGs. Results: Three FFGs, namely, FAM13C, FAM110B, and FAM72A, were identified as strongly associated with the prognosis of UCEC and effective predictors of UCEC prognosis. Multivariate analysis demonstrated that the developed model was an independent predictor of UCEC, and that patients in the low-risk group had better overall survival than those in the high-risk group. The nomogram constructed from clinical characteristics and risk scores exhibited good prognostic power. Patients in the low-risk group exhibited a higher tumor mutational load (TMB) and were more likely to benefit from immunotherapy. Conclusion: This study successfully developed and validated novel biomarkers based on FFGs for predicting the prognosis and immune status of UCEC patients. The identified FFGs can accurately assess the prognosis of UCEC patients and facilitate the identification of specific subgroups of patients who may benefit from personalized treatment with immunotherapy and chemotherapy.
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Affiliation(s)
- Hao Chi
- Clinical Medical College, Southwest Medical University, Luzhou, China
| | - Xinrui Gao
- Clinical Medical College, Southwest Medical University, Luzhou, China
| | - Zhijia Xia
- Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Wanying Yu
- Clinical Medical College, Southwest Medical University, Luzhou, China
| | - Xisheng Yin
- Clinical Medical College, Southwest Medical University, Luzhou, China
| | - Yifan Pan
- Clinical Medical College, Southwest Medical University, Luzhou, China
| | - Gaoge Peng
- Clinical Medical College, Southwest Medical University, Luzhou, China
| | - Xinrui Mao
- Clinical Medical College, Southwest Medical University, Luzhou, China
| | - Alexander Tobias Teichmann
- Sichuan Provincial Center for Gynecology and Breast Diseases (Gynecology), Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Jing Zhang
- Division of Basic Biomedical Sciences, The University of South Dakota Sanford School of Medicine, Vermillion, SD, United States
| | - Lisa Jia Tran
- Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Tianxiao Jiang
- Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Yunfei Liu
- Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Guanhu Yang
- Department of Specialty Medicine, Ohio University, Athens, OH, United States
| | - Qin Wang
- Sichuan Provincial Center for Gynecology and Breast Diseases (Gynecology), Affiliated Hospital of Southwest Medical University, Luzhou, China
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22
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Zhao Z, Li T, Yuan Y, Zhu Y. What is new in cancer-associated fibroblast biomarkers? Cell Commun Signal 2023; 21:96. [PMID: 37143134 PMCID: PMC10158035 DOI: 10.1186/s12964-023-01125-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 04/05/2023] [Indexed: 05/06/2023] Open
Abstract
The tumor microenvironment is one of the important drivers of tumor development. Cancer-associated fibroblasts (CAFs) are a major component of the tumor stroma and actively participate in tumor development, invasion, metastasis, drug resistance, and other biological behaviors. CAFs are a highly heterogeneous group of cells, a reflection of the diversity of their origin, biomarkers, and functions. The diversity of CAF origin determines the complexity of CAF biomarkers, and CAF subpopulations expressing different biomarkers may play contrasting roles in tumor progression. In this review, we provide an overview of these emerging CAF biomarkers and the biological functions that they suggest, which may give a better understanding of the relationship between CAFs and tumor cells and be of great significance for breakthroughs in precision targeted therapy for tumors. Video Abstract.
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Affiliation(s)
- Zehua Zhao
- Department of Pathology, Affiliated Cancer Hospital of Dalian University of Technology (Liaoning Cancer Hospital and Institute, Cancer Hospital of China Medical University), No. 44 of Xiaoheyan Road, Dadong District, Shenyang, 110042, China
| | - Tianming Li
- Department of Pathology, Affiliated Cancer Hospital of Dalian University of Technology (Liaoning Cancer Hospital and Institute, Cancer Hospital of China Medical University), No. 44 of Xiaoheyan Road, Dadong District, Shenyang, 110042, China
| | - Yuan Yuan
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, The First Hospital of China Medical University, Shenyang, China.
- Key Laboratory of Cancer Etiology and Prevention in Liaoning Education Department, The First Hospital of China Medical University, Shenyang, China.
- Key Laboratory of GI Cancer Etiology and Prevention in Liaoning Province, The First Hospital of China Medical University, No. 155 of Nanjing Road, Heping District, Shenyang, 110001, China.
| | - Yanmei Zhu
- Department of Pathology, Affiliated Cancer Hospital of Dalian University of Technology (Liaoning Cancer Hospital and Institute, Cancer Hospital of China Medical University), No. 44 of Xiaoheyan Road, Dadong District, Shenyang, 110042, China.
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23
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Chen L, Zhang L, He H, Shao F, Gao Y, He J. Systemic Analyses of Cuproptosis-Related lncRNAs in Pancreatic Adenocarcinoma, with a Focus on the Molecular Mechanism of LINC00853. Int J Mol Sci 2023; 24:ijms24097923. [PMID: 37175629 PMCID: PMC10177970 DOI: 10.3390/ijms24097923] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 04/22/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023] Open
Abstract
Pancreatic cancer (PC) is a deadly malignant digestive tumor with poor prognoses and a lack of effective treatment options. Cuproptosis, a recently identified copper-dependent programmed cell death type, has been implicated in multiple cancers. Long non-coding RNAs (lncRNAs) are also linked to the progression of PC. However, the role and prognostic values of cuproptosis-related lncRNAs in pancreatic adenocarcinoma (PAAD) remain unclear. In this study, we systemically analyzed the differential expressions and prognostic values of 672 cuproptosis-related lncRNAs in PAAD. Based on this, a prognostic signature including four lncRNAs (LINC00853, AC099850.3, AC010719.1, and AC006504.7) was constructed and was able to divide PAAD patients into high- and low-risk groups with significantly different prognoses. Next, we focused on lncRNA LINC00853. The differential expressions of LINC00853 between normal tissue and PAAD samples were validated by qRT-PCR. LINC00853 was knocked down by siRNA in PC cell lines BxPC-3 and PANC-1 and the oncogenic role of LINC00853 was validated by CCK8, colony formation, and EdU assays. Subsequently, LINC00853 knockdown cells were subjected to tumor xenograft tests and exhibited decreased tumor growth in nude mice. Mechanistically, knockdown of LINC00853 significantly reduced cellular glycolysis and enhanced cellular mitochondrial respiration levels in PC cells. Moreover, knockdown of LINC00853 decreased the protein level of a glycolytic kinase PFKFB3. Finally, glycolysis tests and functional tests using LINC00853 and HA-PFKFB3 indicated that the effects of LINC00853 on glycolysis and cell proliferation were mediated by PFKFB3. In conclusion, our systemic analyses have highlighted the important roles of cuproptosis-related lncRNAs in PAAD while the prognostic signature based on them showed excellent performance in PAAD patients and is expected to provide clinical guidance for individualized treatment. In addition, our findings provide a novel mechanism by which the LINC00853-PFKFB3 axis critically regulates aerobic glycolysis and cell proliferation in PC cells.
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Affiliation(s)
- Leifeng Chen
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan 430060, China
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
- Laboratory of Translational Medicine, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Lin Zhang
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan 430060, China
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
- Laboratory of Translational Medicine, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Haihua He
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan 430060, China
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
- Laboratory of Translational Medicine, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Fei Shao
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
- Laboratory of Translational Medicine, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Yibo Gao
- Central Laboratory & Shenzhen Key Laboratory of Epigenetics and Precision Medicine for Cancers, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen 518116, China
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Jie He
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan 430060, China
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
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24
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Zhao Y, Du J, Shen X. Targeting myeloid-derived suppressor cells in tumor immunotherapy: Current, future and beyond. Front Immunol 2023; 14:1157537. [PMID: 37006306 PMCID: PMC10063857 DOI: 10.3389/fimmu.2023.1157537] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 03/06/2023] [Indexed: 03/19/2023] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are one of the major negative regulators in tumor microenvironment (TME) due to their potent immunosuppressive capacity. MDSCs are the products of myeloid progenitor abnormal differentiation in bone marrow, which inhibits the immune response mediated by T cells, natural killer cells and dendritic cells; promotes the generation of regulatory T cells and tumor-associated macrophages; drives the immune escape; and finally leads to tumor progression and metastasis. In this review, we highlight key features of MDSCs biology in TME that are being explored as potential targets for tumor immunotherapy. We discuss the therapies and approaches that aim to reprogram TME from immunosuppressive to immunostimulatory circumstance, which prevents MDSC immunosuppression activity; promotes MDSC differentiation; and impacts MDSC recruitment and abundance in tumor site. We also summarize current advances in the identification of rational combinatorial strategies to improve clinical efficacy and outcomes of cancer patients, via deeply understanding and pursuing the mechanisms and characterization of MDSCs generation and suppression in TME.
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Affiliation(s)
- Yang Zhao
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China
| | - Junfeng Du
- Department of General Surgery, The 7th Medical Center, Chinese People’s Liberation Army General Hospital, Beijing, China
- *Correspondence: Junfeng Du, ; Xiaofei Shen,
| | - Xiaofei Shen
- Department of General Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
- *Correspondence: Junfeng Du, ; Xiaofei Shen,
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25
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Jin X, Zhao X. A new immune checkpoint-associated nine-gene signature for prognostic prediction of glioblastoma. Medicine (Baltimore) 2023; 102:e33150. [PMID: 36862886 PMCID: PMC9981394 DOI: 10.1097/md.0000000000033150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/04/2023] Open
Abstract
Glioblastoma (GBM) is a highly malignant neurological tumor that has a poor prognosis. While pyroptosis affects cancer cell proliferation, invasion and migration, function of pyroptosis-related genes (PRGs) in GBM as well as the prognostic significance of PRGs remain obscure. By analyzing the mechanisms involved in the association between pyroptosis and GBM, our study hopes to provide new insights into the treatment of GBM. Here, 32 out of 52 PRGs were identified as the differentially expressed genes between GBM tumor versus normal tissues. And all GBM cases were assigned to 2 groups according to the expression of the differentially expressed genes using comprehensive bioinformatics analysis. The least absolute shrinkage and selection operator analysis led to the construction of a 9-gene signature, and the cancer genome atlas cohort of GBM patients were categorized into high risk and low risk subgroups. A significant increase in the survival possibility was found in low risk patients in comparison with the high risk ones. Consistently, low risk patients of a gene expression omnibus cohort displayed a markedly longer overall survival than the high risk counterparts. The risk score calculated using the gene signature was found to be an independent predictor of survival of GBM cases. Besides, we observed significant differences in the expression levels of immune checkpoints between the high risk versus low risk GBM cases, providing instructive suggestions for immunotherapy of GBM. Overall, the present study developed a new multigene signature for prognostic prediction of GBM.
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Affiliation(s)
- Xiao Jin
- The Personnel Department, Dongfang Hospital Affiliated to Beijing University of Chinese Medicine, Fengtai District, Beijing, China
| | - Xiang Zhao
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang, Liaoning, China
- * Correspondence: Xiang Zhao, Department of Neurosurgery, The First Hospital of China Medical University, No.155, North Nanjing Street, Heping District, Shenyang, Liaoning 110001, China (e-mail: )
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26
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Shao A, Owens DM. The immunoregulatory protein CD200 as a potentially lucrative yet elusive target for cancer therapy. Oncotarget 2023; 14:96-103. [PMID: 36738455 PMCID: PMC9899099 DOI: 10.18632/oncotarget.28354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
CD200 is an immunoregulatory cell surface ligand with proven pro-tumorigenic credentials via its ability to suppress CD200 receptor (CD200R)-expressing anti-tumor immune function. This definitive role for the CD200-CD200R axis in regulating an immunosuppressive tumor microenvironment has garnered increasing interest in CD200 as a candidate target for immune checkpoint inhibition therapy. However, while the CD200 blocking antibody samalizumab is still in the early stages of clinical testing, alternative mechanisms for the pro-tumorigenic role of CD200 have recently emerged that extend beyond direct suppression of anti-tumor T cell responses and, as such, may not be susceptible to CD200 antibody blockade. Herein, we will summarize the current understanding of CD200 expression and function in the tumor microenvironment as well as alternative strategies for potential neutralization of multiple CD200 mechanisms in human cancers.
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Affiliation(s)
- Anqi Shao
- 1Department of Dermatology, Columbia University Irving Medical Center, Vagelos College of Physicians and Surgeons, New York, NY 10032, USA
| | - David M. Owens
- 1Department of Dermatology, Columbia University Irving Medical Center, Vagelos College of Physicians and Surgeons, New York, NY 10032, USA,2Department of Pathology and Cell Biology, Columbia University Irving Medical Center, Vagelos College of Physicians and Surgeons, New York, NY 10032, USA,Correspondence to:David M. Owens, email:
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27
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Zhu YH, Zheng JH, Jia QY, Duan ZH, Yao HF, Yang J, Sun YW, Jiang SH, Liu DJ, Huo YM. Immunosuppression, immune escape, and immunotherapy in pancreatic cancer: focused on the tumor microenvironment. Cell Oncol (Dordr) 2023; 46:17-48. [PMID: 36367669 DOI: 10.1007/s13402-022-00741-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/26/2022] [Indexed: 11/13/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC), the most common type of pancreatic cancer, is characterized by poor treatment response and low survival time. The current clinical treatment for advanced PDAC is still not effective. In recent years, the research and application of immunotherapy have developed rapidly and achieved substantial results in many malignant tumors. However, the translational application in PDAC is still far from satisfactory and needs to be developed urgently. To carry out the study of immunotherapy, it is necessary to fully decipher the immune characteristics of PDAC. This review summarizes the recent progress of the tumor microenvironment (TME) of PDAC and highlights its link with immunotherapy. We describe the molecular cues and corresponding intervention methods, collate several promising targets and progress worthy of further study, and put forward the importance of integrated immunotherapy to provide ideas for future research of TME and immunotherapy of PDAC.
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Affiliation(s)
- Yu-Heng Zhu
- Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Jia-Hao Zheng
- Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Qin-Yuan Jia
- Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Zong-Hao Duan
- Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Hong-Fei Yao
- Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Jian Yang
- Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China
| | - Yong-Wei Sun
- Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China.
| | - Shu-Heng Jiang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 800 Dongchuan Road, 200240, People's Republic of China.
| | - De-Jun Liu
- Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China.
| | - Yan-Miao Huo
- Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China.
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28
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Choe D, Choi D. Cancel cancer: The immunotherapeutic potential of CD200/CD200R blockade. Front Oncol 2023; 13:1088038. [PMID: 36756156 PMCID: PMC9900175 DOI: 10.3389/fonc.2023.1088038] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 01/11/2023] [Indexed: 01/24/2023] Open
Abstract
Immune checkpoint molecules function to inhibit and regulate immune response pathways to prevent hyperactive immune activity from damaging healthy tissues. In cancer patients, targeting these key molecules may serve as a valuable therapeutic mechanism to bolster immune function and restore the body's natural defenses against tumors. CD200, an immune checkpoint molecule, is a surface glycoprotein that is widely but not ubiquitously expressed throughout the body. By interacting with its inhibitory receptor CD200R, CD200 suppresses immune cell activity within the tumor microenvironment, creating conditions that foster tumor growth. Targeting the CD200/CD200R pathway, either through the use of monoclonal antibodies or peptide inhibitors, has shown to be effective in boosting anti-tumor immune activity. This review will explore CD200 and the protein's expression and role within the tumor microenvironment, blood endothelial cells, and lymph nodes. This paper will also discuss the advantages and challenges of current strategies used to target CD200 and briefly summarize relevant preclinical/clinical studies investigating the immunotherapeutic efficacy of CD200/CD200R blockade.
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29
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Wang X, Zha H, Wu W, Yuan T, Xie S, Jin Z, Long H, Yang F, Wang Z, Zhang A, Gao J, Jiang Y, Wang L, Hu C, Wan YY, Li QJ, Symonds ALJ, Jia Q, Zhu B. CD200 + cytotoxic T lymphocytes in the tumor microenvironment are crucial for efficacious anti-PD-1/PD-L1 therapy. Sci Transl Med 2023; 15:eabn5029. [PMID: 36652534 DOI: 10.1126/scitranslmed.abn5029] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Anti-PD-1/PD-L1 therapy, either by anti-PD-1 antibody or anti-PD-L1 antibody, has efficacy by reinvigorating tumor-infiltrating CD8+ T cells in a subset of patients with cancer, but it has unequal effects on heterogeneous CD8+ T cell populations. Hence, the subset crucial to efficacious PD-1 blockade therapy remains elusive. Here, we found an increase in tumor-infiltrating CD200+ cytotoxic T lymphocytes (CTLs) upon PD-1/PD-L1 blockade, with higher proportions of CD200+ T cells positively related to a favorable clinical outcome to anti-PD-1/PD-L1 therapy in three independent cohorts of patients with cancer. Using multiple mouse tumor models, we demonstrated that CD200+ CTLs are essential for efficacious anti-PD-L1 therapy. Mechanistically, we observed a unique chromatin landscape in CD200+ CTLs and found that these cells are enriched for tumor antigen-specific CTLs and have antitumor effector functions. Coinoculation of CD200+ CTLs with tumor cells led to robust tumor regression in two transplanted mouse models. Clinically, we found that infiltration of CD200+ CTLs into tumors could predict immunotherapy efficacy in six patient cohorts. Together, our findings reveal that CD200+ CTLs in the tumor microenvironment are crucial for efficacious anti-PD-1/PD-L1 therapy and could serve as a predictor of successful immunotherapy in the clinic.
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Affiliation(s)
- Xinxin Wang
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P. R. China
| | - Haoran Zha
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P. R. China.,Department of Oncology, PLA Rocket Force Characteristic Medical Center, Beijing 100088, P. R. China
| | - Wei Wu
- Cardiothoracic Surgery Department, Southwest Hospital, Third Military Medical University, Chongqing 400037, P. R. China
| | - Ting Yuan
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P. R. China
| | - Shuanglong Xie
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P. R. China
| | - Zheng Jin
- Research Institute, GloriousMed Clinical Laboratory (Shanghai) Co. Ltd., 201318, P. R. China
| | - Haixia Long
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P. R. China
| | - Fei Yang
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P. R. China
| | - Zhongyu Wang
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P. R. China
| | - Anmei Zhang
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P. R. China
| | - Jianbao Gao
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P. R. China
| | - Ying Jiang
- Department of Oncology, PLA Rocket Force Characteristic Medical Center, Beijing 100088, P. R. China
| | - Lujing Wang
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P. R. China
| | - Chunyan Hu
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P. R. China
| | - Yisong Y Wan
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Qi-Jing Li
- Department of Immunology, Duke University Medical Center, Durham, NC 27710, USA
| | - Alistair L J Symonds
- Blizard Institute, Barts and London School of Medicine and Dentistry, University of London, London, E1 2AT UK
| | - Qingzhu Jia
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P. R. China
| | - Bo Zhu
- Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P. R. China
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Ye L, Shi S, Chen W. Innate immunity in pancreatic cancer: Lineage tracing and function. Front Immunol 2023; 13:1081919. [PMID: 36726981 PMCID: PMC9884680 DOI: 10.3389/fimmu.2022.1081919] [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: 10/27/2022] [Accepted: 12/28/2022] [Indexed: 01/17/2023] Open
Abstract
Increasingly, patients with gastrointestinal tumors can benefit from immunotherapy, but not patients with pancreatic cancer. While this lack of benefit has been attributed to lower T-cell infiltration in pancreatic cancer, other studies have demonstrated the presence of numerous T cells in pancreatic cancer, suggesting another mechanism for the poor efficacy of immunotherapy. Single-cell RNA sequencing studies on the pancreatic cancer immune microenvironment have demonstrated the predominance of innate immune cells (e.g., macrophages, dendritic cells, mast cells, and innate immune lymphoid cells). Therefore, in-depth research on the source and function of innate immune lymphocytes in pancreatic cancer could guide pancreatic cancer immunotherapy.
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Affiliation(s)
- Longyun Ye
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China,Shanghai Pancreatic Cancer Institute, Shanghai, China,Pancreatic Cancer Institute, Fudan University, Shanghai, China
| | - Saimeng Shi
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China,Shanghai Pancreatic Cancer Institute, Shanghai, China,Pancreatic Cancer Institute, Fudan University, Shanghai, China
| | - Wei Chen
- Institute of Clinical Medicine Research, Zhejiang Provincial People's Hospital, Hangzhou Medical College, Hangzhou, China,Cancer Institute of Integrated Traditional Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine, Tongde Hospital of Zhejiang Province, Hangzhou, China,*Correspondence: Wei Chen,
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31
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Yao J, Gao R, Luo M, Li D, Guo L, Yu Z, Xiong F, Wei C, Wu B, Xu Z, Zhang D, Wang J, Wang L. Exosomal LINC00460/miR-503-5p/ANLN positive feedback loop aggravates pancreatic cancer progression through regulating T cell-mediated cytotoxicity and PD-1 checkpoint. Cancer Cell Int 2022; 22:390. [PMID: 36482354 PMCID: PMC9733079 DOI: 10.1186/s12935-022-02741-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 10/04/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Long non-coding RNA (lncRNA) LINC00460 is an onco-lncRNA in a variety of cancers, including pancreatic cancer (PC). This study is aimed to investigate the regulatory mechanisms of LINC00460 in PC. METHODS The tumor and adjacent normal tissues were collected from 73 PC patients. The expression of LINC00460, miR-503-5p, and ANLN was detected using qRT-PCR. We then analyzed the proliferation, migration, invasion, and apoptosis/cell cycle of PC cells by performing the MTT/EdU, transwell, and flow cytometry assays, respectively. The xenograft tumor model were utilized to confirm the effect of LINC00460 knockdown on PC through anti-PD-1 therapy in vivo, and the sensitivity of PANC-1 cells to the cytotoxicity of CD8+ T cells in vitro. Western blotting was used to determine the protein levels. A co-culture model was utilized to explore the effects of exosomes on macrophages. RESULTS LINC00460 was up-regulated in PC tissues and cells. LINC00460 knockdown suppressed cell proliferation, migration, and invasion, facilitated cell apoptosis and G0/G1 phase arrest, and inhibited the tumor growth through anti-PD-1 therapy. Both miR-503-5p down-regulation and ANLN up-regulation reversed the effects of LINC00460 knockdown on inhibiting the proliferation, migration and invasion, and on promoting the apoptosis, G0/G1 phase arrest, and the sensitivity of PC cells to the cytotoxicity of CD8+ T cells. Exosomes were uptaken by the ambient PC cells. PANC-1 cells-derived exosomal LINC00460-induced M2 macrophage polarization accelerates the cell migration and invasion. CONCLUSIONS LINC00460 silencing attenuates the development of PC by regulating the miR-503-5p/ANLN axis and exosomal LINC00460-induced M2 macrophage polarization accelerates the migration and invasion of PANC-1 cells, thus LINC00460 may act as a possible therapeutic target for treating PC.
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Affiliation(s)
- Jun Yao
- grid.258164.c0000 0004 1790 3548Department of Gastroenterology, Jinan University of Second Clinical Medical Sciences, Shenzhen Municipal People’s Hospital, No. 1017, East Gate Road, Shenzhen City, 518020 Guangdong Province China
| | - Ruoyu Gao
- grid.258164.c0000 0004 1790 3548Department of Gastroenterology, Jinan University of Second Clinical Medical Sciences, Shenzhen Municipal People’s Hospital, No. 1017, East Gate Road, Shenzhen City, 518020 Guangdong Province China
| | - Minghan Luo
- grid.258164.c0000 0004 1790 3548Department of Gastroenterology, Jinan University of Second Clinical Medical Sciences, Shenzhen Municipal People’s Hospital, No. 1017, East Gate Road, Shenzhen City, 518020 Guangdong Province China
| | - Defeng Li
- grid.258164.c0000 0004 1790 3548Department of Gastroenterology, Jinan University of Second Clinical Medical Sciences, Shenzhen Municipal People’s Hospital, No. 1017, East Gate Road, Shenzhen City, 518020 Guangdong Province China
| | - Liliangzi Guo
- grid.258164.c0000 0004 1790 3548Department of Gastroenterology, Jinan University of Second Clinical Medical Sciences, Shenzhen Municipal People’s Hospital, No. 1017, East Gate Road, Shenzhen City, 518020 Guangdong Province China
| | - Zichao Yu
- grid.258164.c0000 0004 1790 3548Department of Gastroenterology, Jinan University of Second Clinical Medical Sciences, Shenzhen Municipal People’s Hospital, No. 1017, East Gate Road, Shenzhen City, 518020 Guangdong Province China
| | - Feng Xiong
- grid.258164.c0000 0004 1790 3548Department of Gastroenterology, Jinan University of Second Clinical Medical Sciences, Shenzhen Municipal People’s Hospital, No. 1017, East Gate Road, Shenzhen City, 518020 Guangdong Province China
| | - Cheng Wei
- grid.258164.c0000 0004 1790 3548Department of Gastroenterology, Jinan University of Second Clinical Medical Sciences, Shenzhen Municipal People’s Hospital, No. 1017, East Gate Road, Shenzhen City, 518020 Guangdong Province China
| | - Benhua Wu
- grid.258164.c0000 0004 1790 3548Department of Gastroenterology, Jinan University of Second Clinical Medical Sciences, Shenzhen Municipal People’s Hospital, No. 1017, East Gate Road, Shenzhen City, 518020 Guangdong Province China
| | - Zhenglei Xu
- grid.258164.c0000 0004 1790 3548Department of Gastroenterology, Jinan University of Second Clinical Medical Sciences, Shenzhen Municipal People’s Hospital, No. 1017, East Gate Road, Shenzhen City, 518020 Guangdong Province China
| | - Dingguo Zhang
- grid.258164.c0000 0004 1790 3548Department of Gastroenterology, Jinan University of Second Clinical Medical Sciences, Shenzhen Municipal People’s Hospital, No. 1017, East Gate Road, Shenzhen City, 518020 Guangdong Province China
| | - Jianyao Wang
- grid.452787.b0000 0004 1806 5224Department of General Surgery, Shenzhen Children’s Hospital, No. 7019, Yitian Road Road, Shenzhen City, 518026 Guangdong Province China
| | - Lisheng Wang
- grid.258164.c0000 0004 1790 3548Department of Gastroenterology, Jinan University of Second Clinical Medical Sciences, Shenzhen Municipal People’s Hospital, No. 1017, East Gate Road, Shenzhen City, 518020 Guangdong Province China
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Huang X, Chen Z, Xiang X, Liu Y, Long X, Li K, Qin M, Long C, Mo X, Tang W, Liu J. Comprehensive multi-omics analysis of the m7G in pan-cancer from the perspective of predictive, preventive, and personalized medicine. EPMA J 2022; 13:671-697. [PMID: 36505892 PMCID: PMC9727047 DOI: 10.1007/s13167-022-00305-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 11/01/2022] [Indexed: 11/24/2022]
Abstract
Background The N7-methylguanosine modification (m7G) of the 5' cap structure in the mRNA plays a crucial role in gene expression. However, the relation between m7G and tumor immune remains unclear. Hence, we intended to perform a pan-cancer analysis of m7G which can help explore the underlying mechanism and contribute to predictive, preventive, and personalized medicine (PPPM / 3PM). Methods The gene expression, genetic variation, clinical information, methylation, and digital pathological section from 33 cancer types were downloaded from the TCGA database. Immunohistochemistry (IHC) was used to validate the expression of the m7G regulator genes (m7RGs) hub-gene. The m7G score was calculated by single-sample gene-set enrichment analysis. The association of m7RGs with copy number variation, clinical features, immune-related genes, TMB, MSI, and tumor immune dysfunction and exclusion (TIDE) was comprehensively assessed. CellProfiler was used to extract pathological section characteristics. XGBoost and random forest were used to construct the m7G score prediction model. Single-cell transcriptome sequencing (scRNA-seq) was used to assess the activation state of the m7G in the tumor microenvironment. Results The m7RGs were highly expressed in tumors and most of the m7RGs are risk factors for prognosis. Moreover, the cellular pathway enrichment analysis suggested that m7G score was closely associated with invasion, cell cycle, DNA damage, and repair. In several cancers, m7G score was significantly negatively correlated with MSI and TMB and positively correlated with TIDE, suggesting an ICB marker potential. XGBoost-based pathomics model accurately predicts m7G scores with an area under the ROC curve (AUC) of 0.97. Analysis of scRNA-seq suggests that m7G differs significantly among cells of the tumor microenvironment. IHC confirmed high expression of EIF4E in breast cancer. The m7G prognostic model can accurately assess the prognosis of tumor patients with an AUC of 0.81, which was publicly hosted at https://pan-cancer-m7g.shinyapps.io/Panca-m7g/. Conclusion The current study explored for the first time the m7G in pan-cancer and identified m7G as an innovative marker in predicting clinical outcomes and immunotherapeutic efficacy, with the potential for deeper integration with PPPM. Combining m7G within the framework of PPPM will provide a unique opportunity for clinical intelligence and new approaches. Supplementary Information The online version contains supplementary material available at 10.1007/s13167-022-00305-1.
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Affiliation(s)
- Xiaoliang Huang
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People’s Republic of China
| | - Zuyuan Chen
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People’s Republic of China
| | - Xiaoyun Xiang
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People’s Republic of China
| | - Yanling Liu
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People’s Republic of China
| | - Xingqing Long
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People’s Republic of China
| | - Kezhen Li
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People’s Republic of China
| | - Mingjian Qin
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People’s Republic of China
| | - Chenyan Long
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People’s Republic of China
| | - Xianwei Mo
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People’s Republic of China
| | - Weizhong Tang
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People’s Republic of China
| | - Jungang Liu
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People’s Republic of China
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Chi H, Peng G, Wang R, Yang F, Xie X, Zhang J, Xu K, Gu T, Yang X, Tian G. Cuprotosis Programmed-Cell-Death-Related lncRNA Signature Predicts Prognosis and Immune Landscape in PAAD Patients. Cells 2022; 11:cells11213436. [PMID: 36359832 PMCID: PMC9658590 DOI: 10.3390/cells11213436] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 10/22/2022] [Accepted: 10/28/2022] [Indexed: 12/03/2022] Open
Abstract
In terms of mortality and survival, pancreatic cancer is one of the worst malignancies. Known as a unique type of programmed cell death, cuprotosis contributes to tumor cell growth, angiogenesis, and metastasis. Cuprotosis programmed-cell-death-related lncRNAs (CRLs) have been linked to PAAD, although their functions in the tumor microenvironment and prognosis are not well understood. This study included data from the TCGA-PAAD cohort. Random sampling of PAAD data was conducted, splitting the data into two groups for use as a training set and test set (7:3). We searched for differentially expressed genes that were substantially linked to prognosis using univariate Cox and Lasso regression analysis. Through the use of multivariate Cox proportional risk regression, a risk-rating system for prognosis was developed. Correlations between the CRL signature and clinicopathological characteristics, tumor microenvironment, immunotherapy response, and chemotherapy sensitivity were further evaluated. Lastly, qRT-PCR was used to compare CRL expression in healthy tissues to that in tumors. Some CRLs are thought to have strong correlations with PAAD outcomes. These CRLs include AC005332.6, LINC02041, LINC00857, and AL117382.1. The CRL-based signature construction exhibited outstanding predictive performance and offers a fresh approach to evaluating pre-immune effectiveness, paving the way for future studies in precision immuno-oncology.
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Affiliation(s)
- Hao Chi
- Clinical Medical College, Southwest Medical University, Luzhou 646000, China
| | - Gaoge Peng
- Clinical Medical College, Southwest Medical University, Luzhou 646000, China
| | - Rui Wang
- Department of General Surgery (Hepatobiliary Surgery), The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
- Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou 646000, China
- Academician (Expert) Workstation of Sichuan Province, Luzhou 646000, China
| | - Fengyi Yang
- Department of General Surgery (Hepatobiliary Surgery), The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
- Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou 646000, China
- Academician (Expert) Workstation of Sichuan Province, Luzhou 646000, China
| | - Xixi Xie
- School of Stomatology, Southwest Medical University, Luzhou 646000, China
| | - Jinhao Zhang
- School of Stomatology, Southwest Medical University, Luzhou 646000, China
| | - Ke Xu
- Clinical Medical College, Southwest Medical University, Luzhou 646000, China
| | - Tao Gu
- Clinical Medical College, Southwest Medical University, Luzhou 646000, China
| | - Xiaoli Yang
- Department of General Surgery (Hepatobiliary Surgery), The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
- Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou 646000, China
- Academician (Expert) Workstation of Sichuan Province, Luzhou 646000, China
- Correspondence: (X.Y.); (G.T.); Tel.: +86-150-8687-8251 (X.Y.); +86-182-4436-2063 (G.T.)
| | - Gang Tian
- Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
- Correspondence: (X.Y.); (G.T.); Tel.: +86-150-8687-8251 (X.Y.); +86-182-4436-2063 (G.T.)
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Targeting tumour-reprogrammed myeloid cells: the new battleground in cancer immunotherapy. Semin Immunopathol 2022; 45:163-186. [PMID: 36161514 PMCID: PMC9513014 DOI: 10.1007/s00281-022-00965-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 09/13/2022] [Indexed: 11/08/2022]
Abstract
Tumour microenvironment is a complex ecosystem in which myeloid cells are the most abundant immune elements. This cell compartment is composed by different cell types, including neutrophils, macrophages, dendritic cells, and monocytes but also unexpected cell populations with immunosuppressive and pro-tumour roles. Indeed, the release of tumour-derived factors influences physiological haematopoiesis producing unconventional cells with immunosuppressive and tolerogenic functions such as myeloid-derived suppressor cells. These pro-tumour myeloid cell populations not only support immune escape directly but also assist tumour invasion trough non-immunological activities. It is therefore not surprising that these cell subsets considerably impact in tumour progression and cancer therapy resistance, including immunotherapy, and are being investigated as potential targets for developing a new era of cancer therapy. In this review, we discuss emerging strategies able to modulate the functional activity of these tumour-supporting myeloid cells subverting their accumulation, recruitment, survival, and functions. These innovative approaches will help develop innovative, or improve existing, cancer treatments.
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Wang J, Du L, Chen X. Adenosine signaling: Optimal target for gastric cancer immunotherapy. Front Immunol 2022; 13:1027838. [PMID: 36189223 PMCID: PMC9523428 DOI: 10.3389/fimmu.2022.1027838] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 09/05/2022] [Indexed: 11/21/2022] Open
Abstract
Gastric cancer (GC) is one of the most common malignancy and leading cause of cancer-related deaths worldwide. Due to asymptomatic or only nonspecific early symptoms, GC patients are usually in the advanced stage at first diagnosis and miss the best opportunity of treatment. Immunotherapies, especially immune checkpoint inhibitors (ICIs), have dramatically changed the landscape of available treatment options for advanced-stage cancer patients. However, with regards to existing ICIs, the clinical benefit of monotherapy for advanced gastric cancer (AGC) is quite limited. Therefore, it is urgent to explore an optimal target for the treatment of GC. In this review, we summarize the expression profiles and prognostic value of 20 common immune checkpoint-related genes in GC from Gene Expression Profiling Interactive Analysis (GEPIA) database, and then find that the adenosinergic pathway plays an indispensable role in the occurrence and development of GC. Moreover, we discuss the pathophysiological function of adenosinergic pathway in cancers. The accumulation of extracellular adenosine inhibits the normal function of immune effector cells and facilitate the effect of immunosuppressive cells to foster GC cells proliferation and migration. Finally, we provide insights into potential clinical application of adenosinergic-targeting therapies for GC patients.
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Affiliation(s)
- Junqing Wang
- School of the 1St Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Linyong Du
- Key Laboratory of Laboratory Medicine, Ministry of Education of China, School of Laboratory Medicine and Life Science, Wenzhou Medical University, Wenzhou, China
- *Correspondence: Xiangjian Chen, ; Linyong Du,
| | - Xiangjian Chen
- School of the 1St Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, China
- *Correspondence: Xiangjian Chen, ; Linyong Du,
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Sui H, Dongye S, Liu X, Xu X, Wang L, Jin CQ, Yao M, Gong Z, Jiang D, Zhang K, Liu Y, Liu H, Jiang G, Su Y. Immunotherapy of targeting MDSCs in tumor microenvironment. Front Immunol 2022; 13:990463. [PMID: 36131911 PMCID: PMC9484521 DOI: 10.3389/fimmu.2022.990463] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 08/15/2022] [Indexed: 12/03/2022] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are a group of heterogeneous cells which are abnormally accumulated during the differentiation of myeloid cells. Immunosuppression is the main functional feature of MDSCs, which inhibit T cell activity in the tumor microenvironment (TME) and promote tumoral immune escape. The main principle for immunotherapy is to modulate, restore, and remodel the plasticity and potential of immune system to have an effective anti-tumor response. In the TME, MDSCs are major obstacles to cancer immunotherapy through reducing the anti-tumor efficacy and making tumor cells more resistant to immunotherapy. Therefore, targeting MDSCs treatment becomes the priority of relevant studies and provides new immunotherapeutic strategy for cancer treatment. In this review, we mainly discuss the functions and mechanisms of MDSCs as well as their functional changes in the TME. Further, we review therapeutic effects of immunotherapy against MDSCs and potential breakthroughs regarding immunotherapy targeting MDSCs and immune checkpoint blockade (ICB) immunotherapy.
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Affiliation(s)
- Hongshu Sui
- Department of Histology and Embryolog, School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Shengyi Dongye
- Department of Pathology, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong, China
| | - Xiaocui Liu
- Department of Histology and Embryolog, School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Xinghua Xu
- Department of Histology and Embryolog, School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Li Wang
- Department of Pathology and Forensic Medicine, School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Christopher Q. Jin
- Department of Medicine, School of Medicine, University of Louisville, Louisville, KY, United States
| | - Minhua Yao
- Department of Histology and Embryolog, School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Zhaoqing Gong
- Department of Histology and Embryolog, School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Daniel Jiang
- Department of Medicine, School of Medicine, University of Louisville, Louisville, KY, United States
| | - Kexin Zhang
- Department of Medicine, School of Medicine, University of Louisville, Louisville, KY, United States
| | - Yaling Liu
- Department of Pathology, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong, China
- Tuberculosis Prevention and Control Institute of Kashgar, Kashgar City, Xinjiang Uygur Autonomous Region, China
| | - Hui Liu
- Department of Histology and Embryolog, School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
- *Correspondence: Hui Liu, ; Guomin Jiang, ; Yanping Su,
| | - Guomin Jiang
- Department of Medicine, School of Medicine, University of Louisville, Louisville, KY, United States
- *Correspondence: Hui Liu, ; Guomin Jiang, ; Yanping Su,
| | - Yanping Su
- Department of Histology and Embryolog, School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
- *Correspondence: Hui Liu, ; Guomin Jiang, ; Yanping Su,
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Thomas J, Torok MA, Agrawal K, Pfau T, Vu TT, Lyberger J, Chang H, Castillo AMM, Chen M, Remaily B, Kim K, Xie Z, Dillhoff ME, Kulp SK, Behbehani GK, Cruz-Monserrate Z, Ganesan LP, Owen DH, Phelps MA, Coss CC, Mace TA. The Neonatal Fc Receptor Is Elevated in Monocyte-Derived Immune Cells in Pancreatic Cancer. Int J Mol Sci 2022; 23:7066. [PMID: 35806069 PMCID: PMC9266939 DOI: 10.3390/ijms23137066] [Citation(s) in RCA: 2] [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: 05/11/2022] [Revised: 06/20/2022] [Accepted: 06/22/2022] [Indexed: 12/16/2022] Open
Abstract
The neonatal Fc receptor (FcRn) is responsible for recycling of IgG antibodies and albumin throughout the body. This mechanism has been exploited for pharmaceutic delivery across an array of diseases to either enhance or diminish this function. Monoclonal antibodies and albumin-bound nanoparticles are examples of FcRn-dependent anti-cancer therapeutics. Despite its importance in drug delivery, little is known about FcRn expression in circulating immune cells. Through time-of-flight mass cytometry (CyTOF) we were able to characterize FcRn expression in peripheral blood mononuclear cell (PBMC) populations of pancreatic ductal adenocarcinoma (PDAC) patients and non-cancer donors. Furthermore, we were able to replicate these findings in an orthotopic murine model of PDAC. Altogether, we found that in both patients and mice with PDAC, FcRn was elevated in migratory and resident classical dendritic cell type 2 (cDC2) as well as monocytic and granulocytic myeloid-derived suppressor cell (MDSC) populations compared to tumor-free controls. Furthermore, PBMCs from PDAC patients had elevated monocyte, dendritic cells and MDSCs relative to non-cancer donor PBMCs. Future investigations into FcRn activity may further elucidate possible mechanisms of poor efficacy of antibody immunotherapies in patients with PDAC.
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Affiliation(s)
- Justin Thomas
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (J.T.); (T.T.V.); (A.M.M.C.); (M.C.); (B.R.); (K.K.); (Z.X.); (S.K.K.); (M.A.P.)
| | - Molly A. Torok
- The James Comprehensive Cancer Center, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (M.A.T.); (K.A.); (T.P.); (Z.C.-M.); (D.H.O.)
| | - Kriti Agrawal
- The James Comprehensive Cancer Center, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (M.A.T.); (K.A.); (T.P.); (Z.C.-M.); (D.H.O.)
| | - Timothy Pfau
- The James Comprehensive Cancer Center, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (M.A.T.); (K.A.); (T.P.); (Z.C.-M.); (D.H.O.)
| | - Trang T. Vu
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (J.T.); (T.T.V.); (A.M.M.C.); (M.C.); (B.R.); (K.K.); (Z.X.); (S.K.K.); (M.A.P.)
| | - Justin Lyberger
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 420 W. 12th Ave., Columbus, OH 43210, USA; (J.L.); (H.C.); (G.K.B.)
| | - Hsiaochi Chang
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 420 W. 12th Ave., Columbus, OH 43210, USA; (J.L.); (H.C.); (G.K.B.)
| | - Alyssa Marie M. Castillo
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (J.T.); (T.T.V.); (A.M.M.C.); (M.C.); (B.R.); (K.K.); (Z.X.); (S.K.K.); (M.A.P.)
| | - Min Chen
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (J.T.); (T.T.V.); (A.M.M.C.); (M.C.); (B.R.); (K.K.); (Z.X.); (S.K.K.); (M.A.P.)
| | - Bryan Remaily
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (J.T.); (T.T.V.); (A.M.M.C.); (M.C.); (B.R.); (K.K.); (Z.X.); (S.K.K.); (M.A.P.)
| | - Kyeongmin Kim
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (J.T.); (T.T.V.); (A.M.M.C.); (M.C.); (B.R.); (K.K.); (Z.X.); (S.K.K.); (M.A.P.)
| | - Zhiliang Xie
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (J.T.); (T.T.V.); (A.M.M.C.); (M.C.); (B.R.); (K.K.); (Z.X.); (S.K.K.); (M.A.P.)
| | - Mary E. Dillhoff
- Division of Surgical Oncology, Department of Internal Medicine, The Ohio State University, 420 W. 12th Ave., Columbus, OH 43210, USA;
| | - Samuel K. Kulp
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (J.T.); (T.T.V.); (A.M.M.C.); (M.C.); (B.R.); (K.K.); (Z.X.); (S.K.K.); (M.A.P.)
| | - Gregory K. Behbehani
- Division of Hematology, Department of Internal Medicine, The Ohio State University, 420 W. 12th Ave., Columbus, OH 43210, USA; (J.L.); (H.C.); (G.K.B.)
| | - Zobeida Cruz-Monserrate
- The James Comprehensive Cancer Center, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (M.A.T.); (K.A.); (T.P.); (Z.C.-M.); (D.H.O.)
- Division of Gastroenterology, Hepatology and Nutrition, Department of Internal Medicine, The Ohio State University, 420 W. 12th Ave., Columbus, OH 43210, USA
| | - Latha P. Ganesan
- Division of Rheumatology and Immunology, Department of Internal Medicine, The Ohio State University, 420 W. 12th Ave., Columbus, OH 43210, USA;
| | - Dwight H. Owen
- The James Comprehensive Cancer Center, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (M.A.T.); (K.A.); (T.P.); (Z.C.-M.); (D.H.O.)
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University, 420 W. 12th Ave., Columbus, OH 43210, USA
| | - Mitch A. Phelps
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (J.T.); (T.T.V.); (A.M.M.C.); (M.C.); (B.R.); (K.K.); (Z.X.); (S.K.K.); (M.A.P.)
- The James Comprehensive Cancer Center, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (M.A.T.); (K.A.); (T.P.); (Z.C.-M.); (D.H.O.)
| | - Christopher C. Coss
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (J.T.); (T.T.V.); (A.M.M.C.); (M.C.); (B.R.); (K.K.); (Z.X.); (S.K.K.); (M.A.P.)
- The James Comprehensive Cancer Center, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (M.A.T.); (K.A.); (T.P.); (Z.C.-M.); (D.H.O.)
| | - Thomas A. Mace
- The James Comprehensive Cancer Center, The Ohio State University, 496 W. 12th Ave., Columbus, OH 43210, USA; (M.A.T.); (K.A.); (T.P.); (Z.C.-M.); (D.H.O.)
- Division of Gastroenterology, Hepatology and Nutrition, Department of Internal Medicine, The Ohio State University, 420 W. 12th Ave., Columbus, OH 43210, USA
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Han Y, Wong FC, Wang D, Kahlert C. An In Silico Analysis Reveals an EMT-Associated Gene Signature for Predicting Recurrence of Early-Stage Lung Adenocarcinoma. Cancer Inform 2022; 21:11769351221100727. [PMID: 35645555 PMCID: PMC9133999 DOI: 10.1177/11769351221100727] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 04/27/2022] [Indexed: 01/06/2023] Open
Abstract
Background: The potential micrometastasis tends to cause recurrence of lung adenocarcinoma (LUAD) after surgical resection and consequently leads to an increase in the mortality risk. Compelling evidence has suggested the underlying mechanisms of tumor metastasis could involve the activation of an epithelial-mesenchymal transition (EMT) program. Hence, the objective of this study was to develop an EMT-associated gene signature for predicting the recurrence of early-stage LUAD. Methods: The mRNA expression data of patients with early-stage LUAD were downloaded from Gene Expression Omnibus (GEO) and The Cancer Genome Atlas (TCGA) available databases. Gene Set Variation Analysis (GSVA) was first performed to provide an assessment of EMT phenotype, whereas Weighted Gene Co-expression Network Analysis (WGCNA) was constructed to determine EMT-associated key modules and genes. Based on the genes, a novel EMT-associated signature for predicting the recurrence of early-stage LUAD was identified using a least absolute shrinkage and selection operator (LASSO) algorithm and a stepwise Cox proportional hazards regression model. Kaplan-Meier survival analysis, receiver operating characteristic (ROC) curves and Cox regression analyses were used to estimate the performance of the identified gene signature. Results: GSVA revealed diverse EMT states in the early-stage LUAD. Further correlation analyses showed that the EMT states presented high correlations with several hallmarks of cancers, tumor purity, tumor microenvironment cells, and immune checkpoint genes. More importantly, Kaplan-Meier survival analyses indicated that patients with high EMT scores had worse recurrence-free survival (RFS) and overall survival (OS) than those with low EMT scores. A novel 5-gene signature ( AGL, ECM1, ENPP1, SNX7, and TSPAN12) was established based on the EMT-associated genes from WGCNA and this signature successfully predicted that the high-risk patients had a higher recurrence rate compared with the low-risk patients. In further analyses, the signature represented robust prognostic values in 2 independent validation cohorts (GEO and TCGA datasets) and a combined GEO cohort as evaluated by Kaplan-Meier survival ( P-value < .0001) and ROC analysis (AUC = 0.781). Moreover, the signature was corroborated to be independent of clinical factors by univariate and multivariate Cox regression analyses. Interestingly, the combination of the signature-based recurrence risk and tumor-node-metastasis (TNM) stage showed a superior predictive ability on the recurrence of patients with early-stage LUAD. Conclusion: Our study suggests that patients with early-stage LUAD exhibit diverse EMT states that play a vital role in tumor recurrence. The novel and promising EMT-associated 5-gene signature identified and validated in this study may be applied to predict the recurrence of early-stage LUAD, facilitating risk stratification, recurrence monitoring, and individualized management for the patients after surgical resection.
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Affiliation(s)
- Yi Han
- Department of Visceral, Thoracic and Vascular Surgery, University Hospital and Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Fang Cheng Wong
- Department of Visceral, Thoracic and Vascular Surgery, University Hospital and Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Di Wang
- Department of Respiratory Medicine, Fourth Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Christoph Kahlert
- Department of Visceral, Thoracic and Vascular Surgery, University Hospital and Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
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Wang Z, Wang K, Yu X, Chen M, Du Y. Comprehensive analysis of expression signature and immune microenvironment signature of biomarker Endothelin Receptor Type A in stomach adenocarcinoma. J Cancer 2022; 13:2086-2104. [PMID: 35517422 PMCID: PMC9066206 DOI: 10.7150/jca.68673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 03/05/2022] [Indexed: 11/08/2022] Open
Abstract
Background: EDNRA (Endothelin Receptor Type A) is closely associated with tumor progression in many tumor types. However, the functional mechanism of EDNRA in stomach adenocarcinoma (STAD) remains to be elucidated. Methods: ENDRA expression levels in STAD were assessed. A Receiver Operating Characteristic (ROC) curve was constructed to measure the diagnostic value of EDNRA. The correlation between ENDRA expression levels and patient clinical-pathological characteristics was analyzed. The survival and prognostic significance were validated using Kaplan-Meier and Cox regression and confirmed by the immunohistochemistry cohorts. Differentially expressed genes of EDNRA in STAD were determined, and EDNRA related functional enrichment and biological pathways involved in STAD were obtained by Gene-Set Enrichment Analysis (GSEA). The correlation between EDNRA expression in STAD and immune cell infiltration was assessed using the CIBERSORT and Spearman correlation analysis, and the correlation between EDNRA and TMB, MSI, IC50, and immune checkpoints was examined. Results: EDNRA expression was significantly higher in STAD than in normal tissues (P < 0.001) and associated with worse overall survival (OS). EDNRA expression was significantly associated with T stage, histological type, histologic grade, and TP53 status. Cox regression analysis revealed that primary therapy outcome, age, tumor status, and EDNRA were independent prognostic factors for OS. Multivariate analysis revealed that EDNRA expression, tumor status, age, and primary therapy outcome influenced patient prognosis. GSEA was significantly enriched in several pathways and biological processes, which include Immunoregulatory, Hedgehog, WNT, PI3K-AKT.NK cells, Tem, macrophages, and mast cells were substantially positively correlated with EDNRA expression in the STAD microenvironment. Notably, high EDNRA expression may promote M2 macrophages to block PD-1-mediated immunotherapy and induce immunosuppression. In addition, patients with high expression of EDNRA might be resistant to the treatment of several anti-tumor drugs. Conclusion: Our results suggest that EDNRA was closely related to clinicopathologic characteristics, poor prognosis, and promoted macrophage differentiation and synergistic role in immunosuppression.
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Affiliation(s)
- Zhengguang Wang
- Department of Orthopedics, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Kangchun Wang
- Department of Organ transplantation and Hepatobiliary, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Xue Yu
- Department of Paediatrics, Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Moye Chen
- Department of Gastroenterology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yaqi Du
- Department of Gastroenterology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
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40
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Ping H, Jia X, Ke H. A Novel Ferroptosis-Related lncRNAs Signature Predicts Clinical Prognosis and Is Associated With Immune Landscape in Pancreatic Cancer. Front Genet 2022; 13:786689. [PMID: 35330729 PMCID: PMC8940287 DOI: 10.3389/fgene.2022.786689] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 01/31/2022] [Indexed: 12/12/2022] Open
Abstract
Pancreatic cancer is one of the most lethal malignancies and currently therapies are severely lacking. In this study, we aimed to establish a novel ferroptosis-related lncRNAs signature to predict the prognosis of patients with pancreatic cancer and evaluate the predictive abilities of candidate lncRNAs. According to The Cancer Genome Atlas (TCGA) database, a total of 182 patients with pancreatic cancer were included in our study. Ferroptosis-related lncRNAs were screened by Pearson correlation analysis with 60 reported ferroptosis-related genes. Through univariate, least absolute shrinkage and selection operator (LASSO) regression and multivariate regression analyses, a novel signature based on five ferroptosis-related lncRNAs(ZNF236-DT, CASC8, PAN3-AS1, SH3PXD2A-AS1, LINP1) was constructed. Risk-related differentially expressed genes (DEGs) were subjected to enrichment analyses for Gene Ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis. The results revealed that immune cell infiltration, immune-related functions and checkpoints were factors to affect prognoisis of pancreatic cancer. In summary, we identified the prognostic ferroptosis-related lncRNAs(ZNF236-DT, CASC8, PAN3-AS1, SH3PXD2A-AS1, LINP1) in pancreatic cancer and these lncRNAs may serve as therapeutic targets for pancreatic cancer.
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Affiliation(s)
- Haiqin Ping
- Department of Infectious Disease, Hubei AIDS Clinical Training Center, Zhongnan Hospital of Wuhan University, Wuhan, China
| | | | - Hengning Ke
- Department of Infectious Disease, Hubei AIDS Clinical Training Center, Zhongnan Hospital of Wuhan University, Wuhan, China.,Wuhan Research Center for Infectious Diseases and Cancer, Chinese Academy of Medical Sciences, Wuhan, China.,Cancer Research Institute, General Hospital, Ningxia Medical University, Yinchuan, China
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41
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Li X, Zhong J, Deng X, Guo X, Lu Y, Lin J, Huang X, Wang C. Targeting Myeloid-Derived Suppressor Cells to Enhance the Antitumor Efficacy of Immune Checkpoint Blockade Therapy. Front Immunol 2022; 12:754196. [PMID: 35003065 PMCID: PMC8727744 DOI: 10.3389/fimmu.2021.754196] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 11/30/2021] [Indexed: 12/11/2022] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are a heterogeneous population of immature myeloid cells that are activated under pathological conditions, such as cancer, or mature myeloid cells that are converted immune-suppressive cells via tumor-derived exosomes, and potently support the tumor processes at different levels. Currently, multiple studies have demonstrated that MDSCs induce immune checkpoint blockade (ICB) therapy resistance through their contribution to the immunosuppressive network in the tumor microenvironment. In addition, non-immunosuppressive mechanisms of MDSCs such as promotion of angiogenesis and induction of cancer stem cells also exert a powerful role in tumor progression. Thus, MDSCs are potential therapeutic targets to enhance the antitumor efficacy of ICB therapy in cases of multiple cancers. This review focuses on the tumor-promoting mechanism of MDSCs and provides an overview of current strategies that target MDSCs with the objective of enhancing the antitumor efficacy of ICB therapy.
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Affiliation(s)
- Xueyan Li
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China.,Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangdong Geriatric Institute, Guangzhou, China
| | - Jiahui Zhong
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xue Deng
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Xuan Guo
- School of Medicine, South China University of Technology, Guangzhou, China
| | - Yantong Lu
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Juze Lin
- Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangdong Geriatric Institute, Guangzhou, China
| | - Xuhui Huang
- Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangdong Geriatric Institute, Guangzhou, China
| | - Changjun Wang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China.,Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangdong Geriatric Institute, Guangzhou, China
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Zhang Y, Murphy S, Lu X. Cancer-cell-intrinsic mechanisms regulate MDSCs through cytokine networks. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2022; 375:1-31. [PMID: 36967150 DOI: 10.1016/bs.ircmb.2022.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Immunotherapy has shifted the paradigm of cancer treatment. However, the majority of cancer patients display de novo or acquired resistance to immunotherapy. One of the main mechanisms of immunotherapy resistance is the immunosuppressive microenvironment dominated by the myeloid-derived suppressor cells (MDSCs). Emerging evidence demonstrates that genetic or epigenetic aberrations in cancer cells shape the accumulation and activation of MDSCs. Understanding this genotype-immunophenotype relationship is critical to the rational design of combination immunotherapy. Here, we review the mechanisms of how molecular changes in cancer cells induce recruitment and reprogram the function of tumor-infiltrating myeloid cells, particularly MDSCs. Tumor-infiltrating MDSCs elicit various pro-tumor functions to promote tumor cell fitness, immune evasion, angiogenesis, tissue remodeling, and metastasis. Through understanding the genotype-immunophenotype relationship between neoplastic cells and MDSCs, new approaches can be developed to tailor current immunotherapy strategies to improve cancer patient outcomes.
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Shin SP, Goh AR, Ju JM, Kang HG, Kim SJ, Kim JK, Park EJ, Bae YS, Choi K, Jung YS, Lee SJ. Local adenoviral delivery of soluble CD200R-Ig enhances antitumor immunity by inhibiting CD200-β-catenin-driven M2 macrophage. MOLECULAR THERAPY-ONCOLYTICS 2021; 23:138-150. [PMID: 34703882 PMCID: PMC8503857 DOI: 10.1016/j.omto.2021.09.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Accepted: 09/08/2021] [Indexed: 10/28/2022]
Abstract
CD200 is known as an immune checkpoint molecule that inhibits innate immune cell activation. Using a head and neck squamous cell carcinoma (HNSCC) model, we sought to determine whether localized delivery of adenovirus-expressing sCD200R1-Ig, the soluble extracellular domain of CD200R1, enhances antitumor immunity. Mouse-derived bone marrow cells and M1/M2-like macrophages were cocultured with tumor cells and analyzed for macrophage polarization. As an in vivo model, C57BL/6 mice were subcutaneously injected with MEER/CD200High cells, CD200-overexpressing mouse HNSCC cells. Adenovirus-expressing sCD200R1-Ig (Ad5sCD200R1) was designed, and its effect was tested. Components in the tumor-immune microenvironment (TIME) were quantified using flow cytometry. CD200 promoted tumor growth and induced the expression of immune-related genes, especially macrophage colony-stimulating factor (M-CSF). Interestingly, CD200 induced M2-like polarization both in vitro and in vivo. Consequently, CD200 recruited more regulatory T (Treg) cells and fewer CD8+ effector T cells. These effects were effectively abolished by local injection of Ad5sCD200R1. These protumor effects of CD200 were driven through the β-catenin/NF-κB/M-CSF axis. CD200 upregulated PD-L1, and the combined targeting of CD200 and PD-1 thus showed synergy. The immune checkpoint CD200 upregulated immune-related genes through β-catenin signaling, reprogrammed the TIME, and exerted protumor effects. Ad5sCD200R1 injection could be an effective targeted strategy to enhance antitumor immunoediting.
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Affiliation(s)
- Seung-Phil Shin
- Division of Tumor Immunology, Research Institute & Hospital, National Cancer Center, Goyang, Gyeonggi-do 410-769, Republic of Korea.,Department of Biological Sciences, SRC Center for Immune Research on Non-lymphoid Organs, Sungkyunkwan University, Jangan-gu, Suwon, Republic of Korea
| | - A-Ra Goh
- Division of Tumor Immunology, Research Institute & Hospital, National Cancer Center, Goyang, Gyeonggi-do 410-769, Republic of Korea
| | - Ji-Min Ju
- Division of Tumor Immunology, Research Institute & Hospital, National Cancer Center, Goyang, Gyeonggi-do 410-769, Republic of Korea
| | - Hyeon-Gu Kang
- Department of Biomedical Science, BK21-Plus Research Team for Bioactive Control Technology, College of Natural Sciences, Chosun University, 309 Pilmun-daero, Dong-gu, Gwangju 61452, Republic of Korea
| | - Seok-Jun Kim
- Department of Biomedical Science, BK21-Plus Research Team for Bioactive Control Technology, College of Natural Sciences, Chosun University, 309 Pilmun-daero, Dong-gu, Gwangju 61452, Republic of Korea
| | - Jong-Kwang Kim
- Genome Analysis, Team Research Core Center, Research Institute & Hospital, National Cancer Center, Goyang, Republic of Korea
| | - Eun-Jung Park
- Division of Tumor Immunology, Research Institute & Hospital, National Cancer Center, Goyang, Gyeonggi-do 410-769, Republic of Korea
| | - Yong-Soo Bae
- Department of Biological Sciences, SRC Center for Immune Research on Non-lymphoid Organs, Sungkyunkwan University, Jangan-gu, Suwon, Republic of Korea
| | - Kyungho Choi
- Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul, Republic of Korea.,Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea.,Cancer Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Yuh-Seog Jung
- Division of Tumor Immunology, Research Institute & Hospital, National Cancer Center, Goyang, Gyeonggi-do 410-769, Republic of Korea.,Center for Thyroid Cancer, Department of Otorhinolaryngology, Research Institute & Hospital, National Cancer Center, Goyang, Republic of Korea
| | - Sang-Jin Lee
- Division of Tumor Immunology, Research Institute & Hospital, National Cancer Center, Goyang, Gyeonggi-do 410-769, Republic of Korea
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Kim JH, Seo MK, Lee JA, Yoo SY, Oh HJ, Kang H, Cho NY, Bae JM, Kang GH, Kim S. Genomic and transcriptomic characterization of heterogeneous immune subgroups of microsatellite instability-high colorectal cancers. J Immunother Cancer 2021; 9:jitc-2021-003414. [PMID: 34903553 PMCID: PMC8672019 DOI: 10.1136/jitc-2021-003414] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2021] [Indexed: 02/06/2023] Open
Abstract
Background Colorectal cancers (CRCs) with microsatellite instability-high (MSI-H) are hypermutated tumors and are generally regarded as immunogenic. However, their heterogeneous immune responses and underlying molecular characteristics remain largely unexplained. Methods We conducted a retrospective analysis of 73 primary MSI-H CRC tissues to characterize heterogeneous immune subgroups. Based on combined tumor-infiltrating lymphocyte (TIL) immunoscore and tertiary lymphoid structure (TLS) activity, MSI-H CRCs were classified into immune-high, immune-intermediate, and immune-low subgroups. Of these, the immune-high and immune-low subgroups were further analyzed using whole-exome and transcriptome sequencing. Results We found considerable variations in immune parameters between MSI-H CRCs, and immune subgrouping of MSI-H CRCs was performed accordingly. The TIL densities and TLS activities of immune-low MSI-H CRCs were comparable to those of an immune-low or immune-intermediate subgroup of microsatellite-stable CRCs. There were remarkable differences between immune-high and immune-low MSI-H CRCs, including their pathological features (medullary vs mucinous), genomic alterations (tyrosine kinase fusions vs KRAS mutations), and activated signaling pathways (immune-related vs Wnt and Notch signaling), whereas no significant differences were found in tumor mutational burden (TMB) and neoantigen load. The immune-low MSI-H CRCs were subdivided by the consensus molecular subtype (CMS1 vs CMS3) with different gene expression signatures (mesenchymal/stem-like vs epithelial/goblet-like), suggesting distinct immune evasion mechanisms. Angiogenesis and CD200 were identified as potential therapeutic targets in immune-low CMS1 and CMS3 MSI-H CRCs, respectively. Conclusions MSI-H CRCs are immunologically heterogeneous, regardless of TMB. The unusual immune-low MSI-H CRCs are characterized by mucinous histology, KRAS mutations, and Wnt/Notch activation, and can be further divided into distinct gene expression subtypes, including CMS4-like CMS1 and CMS3. Our data provide novel insights into precise immunotherapeutic strategies for subtypes of MSI-H tumors.
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Affiliation(s)
- Jung Ho Kim
- Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.,Laboratory of Epigenetics, Cancer Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Mi-Kyoung Seo
- Department of Biomedical Systems Informatics, Yonsei University College of Medicine, Seoul, Republic of Korea.,Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, Republic of Korea.,Department of Nuclear Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Ji Ae Lee
- Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.,Laboratory of Epigenetics, Cancer Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Seung-Yeon Yoo
- Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.,Laboratory of Epigenetics, Cancer Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hyeon Jeong Oh
- Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.,Laboratory of Epigenetics, Cancer Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hyundeok Kang
- Department of Biomedical Systems Informatics, Yonsei University College of Medicine, Seoul, Republic of Korea.,Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Nam-Yun Cho
- Laboratory of Epigenetics, Cancer Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jeong Mo Bae
- Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.,Laboratory of Epigenetics, Cancer Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Gyeong Hoon Kang
- Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea .,Laboratory of Epigenetics, Cancer Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Sangwoo Kim
- Department of Biomedical Systems Informatics, Yonsei University College of Medicine, Seoul, Republic of Korea .,Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, Republic of Korea
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Opitz FV, Haeberle L, Daum A, Esposito I. Tumor Microenvironment in Pancreatic Intraepithelial Neoplasia. Cancers (Basel) 2021; 13:cancers13246188. [PMID: 34944807 PMCID: PMC8699458 DOI: 10.3390/cancers13246188] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 12/03/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Pancreatic ductal adenocarcinoma (PDAC) is a very aggressive neoplasm with a poor survival rate. This is mainly due to late detection, which substantially limits therapy options. A better understanding of the early phases of pancreatic carcinogenesis is fundamental for improving patient prognosis in the future. In this article, we focused on the tumor microenvironment (TME), which provides the biological niche for the development of PDAC from its most common precursor lesions, PanIN (pancreatic intraepithelial neoplasias). Abstract Pancreatic ductal adenocarcinoma (PDAC) is one of the most aggressive tumors with a poor prognosis. A characteristic of PDAC is the formation of an immunosuppressive tumor microenvironment (TME) that facilitates bypassing of the immune surveillance. The TME consists of a desmoplastic stroma, largely composed of cancer-associated fibroblasts (CAFs), immunosuppressive immune cells, immunoregulatory soluble factors, neural network cells, and endothelial cells with complex interactions. PDAC develops from various precursor lesions such as pancreatic intraepithelial neoplasia (PanIN), intraductal papillary mucinous neoplasms (IPMN), mucinous cystic neoplasms (MCN), and possibly, atypical flat lesions (AFL). In this review, we focus on the composition of the TME in PanINs to reveal detailed insights into the complex restructuring of the TME at early time points in PDAC progression and to explore ways of modifying the TME to slow or even halt tumor progression.
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Multiplex Quantitative Analysis of Tumor-Infiltrating Lymphocytes, Cancer-Associated Fibroblasts, and CD200 in Pancreatic Cancer. Cancers (Basel) 2021; 13:cancers13215501. [PMID: 34771664 PMCID: PMC8583434 DOI: 10.3390/cancers13215501] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 10/27/2021] [Accepted: 10/29/2021] [Indexed: 11/16/2022] Open
Abstract
Pancreatic cancer is marked by a desmoplastic tumor microenvironment and low tumor immunogenicity, making it difficult for immunotherapy drugs to improve outcomes for patients. Tumor-infiltrating lymphocytes (TILs) and cancer-associated fibroblasts (CAFs) are seen in the tumor microenvironment of patients with pancreatic ductal adenocarcinoma (PDAC). In this work, we sought to characterize the expression levels and potential prognostic value of TILs (CD4, CD8, and CD20) and CAFs (Thy-1, FAP, and SMA) in a large retrospective cohort of PDAC patients. Additionally, we investigated the expression levels and prognostic significance of CD200, an immunoinhibitory protein that has shown interest as a potential target for immune checkpoint blockade. We measured the expression levels of these seven proteins with multiplexed immunofluorescence staining and quantitative immunofluorescence (QIF). We found CD8 and FAP to be independent predictors of progression-free survival and overall survival. CD200 was found to be heterogeneously expressed in both the tumor and stromal compartments of PDAC, with the majority of patients having positive stromal expression and negative tumor expression. This work demonstrates the potential clinical utility of CD8 and FAP in PDAC patients, and it sheds light on the expression patterns of CD200 in pancreatic cancer as the protein is being tested as a target for immune checkpoint blockade.
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Talebian F, Yu J, Lynch K, Liu JQ, Carson WE, Bai XF. CD200 Blockade Modulates Tumor Immune Microenvironment but Fails to Show Efficacy in Inhibiting Tumor Growth in a Murine Model of Melanoma. Front Cell Dev Biol 2021; 9:739816. [PMID: 34692697 PMCID: PMC8531493 DOI: 10.3389/fcell.2021.739816] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 09/20/2021] [Indexed: 01/14/2023] Open
Abstract
CD200-CD200R pathway regulates immune responses and has been implicated in the pathogenesis of a number of cancer types. CD200 blockade is considered a strategy for immunotherapy of CD200-positive cancers such as melanoma. Thus, it is critical to understand the potential impacts of CD200 blockade in a more human relevant tumor model. In this study, we evaluated these issues using the CD200+ Yumm1.7 mouse melanoma model. Yumm1.7 cells bear Braf/Pten mutations resembling human melanoma. We found that Yumm1.7 tumors grow significantly faster in CD200R–/– mice compared to wild type mice. Analysis of tumor immune microenvironment (TIME) revealed that tumors from CD200R–/– or anti-CD200 treated mice had downregulated immune cell contents and reduced TCR clonality compared to tumors from untreated wild type mice. T cells also showed impaired effector functions, as reflected by reduced numbers of IFN-γ+ and TNF-α+ T cells. Mechanistically, we found upregulation of the CCL8 gene in CD200R–/– tumors. In vitro co-culture experiments using Yumm1.7 tumor cells with bone marrow derived macrophages (BMDM) from WT and CD200R–/– mice confirmed upregulation of macrophage CCL8 in the absence of CD200-CD200R interaction. Finally, we found that anti-CD200 therapy failed to show efficacy either alone or in combination with checkpoint inhibitors such as anti-PD-1 or anti-CTLA4 in inhibiting Yumm1.7 tumor growth. Given that CD200R-deficiency or anti-CD200 treatment leads to reduced T cell responses in TME, using blockade of CD200 as an immunotherapy for cancers such as melanoma should be practiced with caution.
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Affiliation(s)
- Fatemeh Talebian
- Department of Pathology, College of Medicine, The Ohio State University, Columbus, OH, United States
| | - Jianyu Yu
- Department of Pathology, College of Medicine, The Ohio State University, Columbus, OH, United States
| | - Kimberly Lynch
- Department of Pathology, College of Medicine, The Ohio State University, Columbus, OH, United States
| | - Jin-Qing Liu
- Department of Pathology, College of Medicine, The Ohio State University, Columbus, OH, United States
| | - William E Carson
- Division of Surgical Oncology, Department of Surgery, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States.,Comprehensive Cancer Center, Institute for Immuno-Oncology, The Ohio State University, Columbus, OH, United States
| | - Xue-Feng Bai
- Department of Pathology, College of Medicine, The Ohio State University, Columbus, OH, United States.,Comprehensive Cancer Center, Institute for Immuno-Oncology, The Ohio State University, Columbus, OH, United States
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Wandmacher AM, Mehdorn AS, Sebens S. The Heterogeneity of the Tumor Microenvironment as Essential Determinant of Development, Progression and Therapy Response of Pancreatic Cancer. Cancers (Basel) 2021; 13:4932. [PMID: 34638420 PMCID: PMC8508450 DOI: 10.3390/cancers13194932] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/14/2021] [Accepted: 09/14/2021] [Indexed: 12/15/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is commonly diagnosed at advanced stages and most anti-cancer therapies have failed to substantially improve prognosis of PDAC patients. As a result, PDAC is still one of the deadliest tumors. Tumor heterogeneity, manifesting at multiple levels, provides a conclusive explanation for divergent survival times and therapy responses of PDAC patients. Besides tumor cell heterogeneity, PDAC is characterized by a pronounced inflammatory stroma comprising various non-neoplastic cells such as myofibroblasts, endothelial cells and different leukocyte populations which enrich in the tumor microenvironment (TME) during pancreatic tumorigenesis. Thus, the stromal compartment also displays a high temporal and spatial heterogeneity accounting for diverse effects on the development, progression and therapy responses of PDAC. Adding to this heterogeneity and the impact of the TME, the microbiome of PDAC patients is considerably altered. Understanding this multi-level heterogeneity and considering it for the development of novel therapeutic concepts might finally improve the dismal situation of PDAC patients. Here, we outline the current knowledge on PDAC cell heterogeneity focusing on different stromal cell populations and outline their impact on PDAC progression and therapy resistance. Based on this information, we propose some novel concepts for treatment of PDAC patients.
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Affiliation(s)
| | - Anna Maxi Wandmacher
- Department of Internal Medicine II, University Hospital Schleswig-Holstein Campus Kiel, Arnold-Heller-Str. 3, 24105 Kiel, Germany;
| | - Anne-Sophie Mehdorn
- Department of General, Visceral, Thoracic, Transplantation and Pediatric Surgery, University Hospital Schleswig-Holstein Campus Kiel, Arnold-Heller-Str. 3, Building C, 24105 Kiel, Germany;
| | - Susanne Sebens
- Institute for Experimental Cancer Research, Kiel University and University Hospital Schleswig-Holstein Campus Kiel, Arnold-Heller-Str. 3, Building U30 Entrance 1, 24105 Kiel, Germany
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Li T, Liu T, Zhu W, Xie S, Zhao Z, Feng B, Guo H, Yang R. Targeting MDSC for Immune-Checkpoint Blockade in Cancer Immunotherapy: Current Progress and New Prospects. CLINICAL MEDICINE INSIGHTS-ONCOLOGY 2021; 15:11795549211035540. [PMID: 34408525 PMCID: PMC8365012 DOI: 10.1177/11795549211035540] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 07/07/2021] [Indexed: 01/06/2023]
Abstract
Immune-checkpoint blockade (ICB) demonstrated inspiring effect and great promise in anti-cancer therapy. However, many obstacles, such as drug resistance and difficulty in patient selection, limited the efficacy of ICB therapy and awaited to be overcome. By timely identification and intervention of the key immune-suppressive promotors in the tumor microenvironment (TME), we may better understand the mechanisms of cancer immune-escape and use novel strategies to enhance the therapeutic effect of ICB. Myeloid-derived suppressor cell (MDSC) is recognized as a major immune suppressor in the TME. In this review, we summarized the roles MDSC played in the cancer context, focusing on its negative biologic functions in ICB therapy, discussed the strategies targeted on MDSC to optimize the diagnosis and therapy process of ICB and improve the efficacy of ICB therapy against malignancies.
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Affiliation(s)
- Tianhang Li
- Department of Urology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Institute of Urology, Nanjing University, Nanjing, 210008, People's Republic of China
| | - Tianyao Liu
- Department of Urology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Institute of Urology, Nanjing University, Nanjing, 210008, People's Republic of China
| | - Wenjie Zhu
- Department of Urology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Institute of Urology, Nanjing University, Nanjing, 210008, People's Republic of China
| | - Shangxun Xie
- Department of Urology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Institute of Urology, Nanjing University, Nanjing, 210008, People's Republic of China
| | - Zihan Zhao
- Department of Urology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Institute of Urology, Nanjing University, Nanjing, 210008, People's Republic of China
| | - Baofu Feng
- Department of Urology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Institute of Urology, Nanjing University, Nanjing, 210008, People's Republic of China
| | - Hongqian Guo
- Department of Urology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Institute of Urology, Nanjing University, Nanjing, 210008, People's Republic of China
| | - Rong Yang
- Department of Urology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Institute of Urology, Nanjing University, Nanjing, 210008, People's Republic of China
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RNA Sequencing Data from Human Intracranial Aneurysm Tissue Reveals a Complex Inflammatory Environment Associated with Rupture. Mol Diagn Ther 2021; 25:775-790. [PMID: 34403136 DOI: 10.1007/s40291-021-00552-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/27/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Intracranial aneurysm (IA) rupture leads to deadly subarachnoid hemorrhages. However, the mechanisms leading to rupture remain poorly understood. Altered gene expression within IA tissue is linked to the pathobiology of aneurysm development and progression. Here, we analyzed expression patterns of control tissue samples and compared them to those of unruptured and ruptured IA tissue samples using data from the Gene Expression Omnibus (GEO). METHODS FASTQ files for 21 ruptured IAs, 21 unruptured IAs, and 16 control tissue samples were accessed from the GEO database. DESeq2 was used for differential expression analysis in three comparisons: unruptured IA versus control, ruptured IA versus control, and ruptured versus unruptured IA. Genes that were differentially expressed in multiple comparisons were evaluated to find those progressively increasing/decreasing from control to unruptured to ruptured. Significance was tested by either analysis of variance/Gabriel or Brown-Forsythe/Games Howell (p < 0.05 was considered significant). We used additional RNA sequencing and proteomics datasets to evaluate if our differentially expressed genes (DEGs) were present in other studies. Bioinformatics analyses were performed with g:Profiler and Ingenuity Pathway Analysis. RESULTS In total, we identified 1768 DEGs, of which 318 were found in multiple comparisons. Unruptured versus control reflected vascular remodeling processes, while ruptured versus control reflected inflammatory responses and cell activation/signaling. When comparing ruptured to unruptured IAs, we found massive activation of inflammation, inflammatory responses, and leukocyte responses. Of the 318 genes in multiple comparisons, 127 were found to be significant in the multi-cohort correlation analysis. Those that progressively increased (70 genes) were associated with immune system processes, while those that progressively decreased (38 genes) did not return any gene ontology terms. Many of our DEGs were also found in the other IA tissue sequencing studies. CONCLUSIONS We found unruptured IAs relate more to remodeling processes, while ruptured IAs reflect more inflammatory and immune responses.
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