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Aftabi S, Barzegar Behrooz A, Cordani M, Rahiman N, Sadeghdoust M, Aligolighasemabadi F, Pistorius S, Alavizadeh SH, Taefehshokr N, Ghavami S. Therapeutic targeting of TGF-β in lung cancer. FEBS J 2024. [PMID: 39083441 DOI: 10.1111/febs.17234] [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: 11/05/2023] [Revised: 05/22/2024] [Accepted: 07/19/2024] [Indexed: 08/02/2024]
Abstract
Transforming growth factor-β (TGF-β) plays a complex role in lung cancer pathophysiology, initially acting as a tumor suppressor by inhibiting early-stage tumor growth. However, its role evolves in the advanced stages of the disease, where it contributes to tumor progression not by directly promoting cell proliferation but by enhancing epithelial-mesenchymal transition (EMT) and creating a conducive tumor microenvironment. While EMT is typically associated with enhanced migratory and invasive capabilities rather than proliferation per se, TGF-β's influence on this process facilitates the complex dynamics of tumor metastasis. Additionally, TGF-β impacts the tumor microenvironment by interacting with immune cells, a process influenced by genetic and epigenetic changes within tumor cells. This interaction highlights its role in immune evasion and chemoresistance, further complicating lung cancer therapy. This review provides a critical overview of recent findings on TGF-β's involvement in lung cancer, its contribution to chemoresistance, and its modulation of the immune response. Despite the considerable challenges encountered in clinical trials and the development of new treatments targeting the TGF-β pathway, this review highlights the necessity for continued, in-depth investigation into the roles of TGF-β. A deeper comprehension of these roles may lead to novel, targeted therapies for lung cancer. Despite the intricate behavior of TGF-β signaling in tumors and previous challenges, further research could yield innovative treatment strategies.
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Affiliation(s)
- Sajjad Aftabi
- Department of Human Anatomy and Cell Science, University of Manitoba College of Medicine, Winnipeg, Canada
- Paul Albrechtsen Research Institute, CancerCare Manitoba, University of Manitoba, Winnipeg, Canada
- Department of Physics and Astronomy, University of Manitoba, Winnipeg, Canada
| | - Amir Barzegar Behrooz
- Department of Human Anatomy and Cell Science, University of Manitoba College of Medicine, Winnipeg, Canada
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Iran
| | - Marco Cordani
- Department of Biochemistry and Molecular Biology, Faculty of Biology, Complutense University, Madrid, Spain
- Instituto de Investigaciones Sanitarias San Carlos (IdISSC), Madrid, Spain
| | - Niloufar Rahiman
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Iran
- Department of Pharmaceutical Nanotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Iran
| | - Mohammadamin Sadeghdoust
- Division of BioMedical Sciences, Faculty of Medicine, Memorial University of Newfoundland, St. John's, Canada
| | - Farnaz Aligolighasemabadi
- Department of Human Anatomy and Cell Science, University of Manitoba College of Medicine, Winnipeg, Canada
| | - Stephen Pistorius
- Department of Human Anatomy and Cell Science, University of Manitoba College of Medicine, Winnipeg, Canada
- Paul Albrechtsen Research Institute, CancerCare Manitoba, University of Manitoba, Winnipeg, Canada
- Department of Physics and Astronomy, University of Manitoba, Winnipeg, Canada
| | - Seyedeh Hoda Alavizadeh
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Iran
- Department of Pharmaceutical Nanotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Iran
| | - Nima Taefehshokr
- Apoptosis Research Centre, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Canada
| | - Saeid Ghavami
- Department of Human Anatomy and Cell Science, University of Manitoba College of Medicine, Winnipeg, Canada
- Paul Albrechtsen Research Institute, CancerCare Manitoba, University of Manitoba, Winnipeg, Canada
- Faculty Academy of Silesia, Faculty of Medicine, Katowice, Poland
- Children Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg, Canada
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Takada H, Osawa L, Komiyama Y, Muraoka M, Suzuki Y, Sato M, Kobayashi S, Yoshida T, Takano S, Maekawa S, Enomoto N. Interleukin-7 Risk Allele, Lymphocyte Counts, and Autoantibodies for Prediction of Risk of Immune-Related Adverse Events in Patients Receiving Atezolizumab plus Bevacizumab Therapy for Unresectable Hepatocellular Carcinoma. Oncology 2024:1-11. [PMID: 39079513 DOI: 10.1159/000540648] [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: 04/25/2024] [Accepted: 07/22/2024] [Indexed: 08/28/2024]
Abstract
INTRODUCTION Atezolizumab plus bevacizumab (AB) therapy was the effective immune checkpoint inhibitor (ICI) for unresectable hepatocellular carcinoma (u-HCC). However, immune-related adverse events (irAEs) are common in patients receiving ICI therapies. Our research aimed to explore the risk factors for irAE development, with attention to interleukin-7 (IL-7) risk alleles, lymphocyte counts, and autoantibodies. METHODS Seventy-six patients receiving AB therapy for u-HCC were recruited. Single nucleotide polymorphism genotyping was done for the analysis of rs16906115 polymorphism near IL-7-expressing genes using 20 μL of stored buffy coat at baseline. The association between IL-7 risk alleles, lymphocyte counts, autoantibodies, and irAE development was investigated. RESULTS irAEs were found in 14 (18%) patients. The incidence of irAEs did not differ significantly between the groups showing IL-7 AG/AA and the GG group (p = 0.72). The incidence in the group with a lymphocyte count of 1,130/µL or more at baseline was higher than in that with a value below 1,130/µL (p = 0.0093). The group showing IL-7 AG/AA or lymphocyte count >1,130/μL had a higher irAE prevalence rate than the others (p = 0.019). IL-7 AG/AA or lymphocyte count >1,130/μL and positivity for autoantibodies at baseline were the prognostic factors for irAE development. irAE incidence could be stratified using a combination of IL-7 AG/AA or lymphocyte counts ≥1,130/µL and positive autoantibodies (p = 0.016). CONCLUSION Patients with IL-7 risk alleles, high lymphocyte counts, and autoantibodies at baseline may require careful monitoring for irAE development.
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Affiliation(s)
- Hitomi Takada
- Gastroenterology and Hepatology Department of Internal Medicine, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Leona Osawa
- Gastroenterology and Hepatology Department of Internal Medicine, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Yasuyuki Komiyama
- Gastroenterology and Hepatology Department of Internal Medicine, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Masaru Muraoka
- Gastroenterology and Hepatology Department of Internal Medicine, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Yuichiro Suzuki
- Gastroenterology and Hepatology Department of Internal Medicine, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Mitsuaki Sato
- Gastroenterology and Hepatology Department of Internal Medicine, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Shoji Kobayashi
- Gastroenterology and Hepatology Department of Internal Medicine, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Takashi Yoshida
- Gastroenterology and Hepatology Department of Internal Medicine, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Shinichi Takano
- Gastroenterology and Hepatology Department of Internal Medicine, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Shinya Maekawa
- Gastroenterology and Hepatology Department of Internal Medicine, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Nobuyuki Enomoto
- Gastroenterology and Hepatology Department of Internal Medicine, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
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Yi H, Qin L, Ye X, Song J, Ji J, Ye T, Li J, Li L. Progression of radio-labeled molecular imaging probes targeting chemokine receptors. Crit Rev Oncol Hematol 2024; 195:104266. [PMID: 38232861 DOI: 10.1016/j.critrevonc.2024.104266] [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: 03/13/2023] [Revised: 12/31/2023] [Accepted: 01/11/2024] [Indexed: 01/19/2024] Open
Abstract
Chemokine receptors are significantly expressed in the surface of most inflammatory cells and tumor cells. Guided by chemokines, inflammatory cells which express the relevant chemokine receptors migrate to inflammatory lesions and participate in the evolution of inflammation diseases. Similarly, driven by chemokines, immune cells infiltrate into tumor lesions not only induces alterations in the tumor microenvironment, disrupting the efficacy of tumor therapies, but also has the potential to selectively target tumoral cells and diminish tumor progression. Chemokine receptors, which are significantly expressed on the surface of tumor cell membranes, are regulated by chemokines and initiate tumor-associated signaling pathways within tumor cells, playing a complex role in tumor progression. Based on the antagonists targeting chemokine receptors, radionuclide-labeled molecular imaging probes have been developed for the emerging application of molecular imaging in diseases such as tumors and inflammation. The value and limitations of molecular probes in disease imaging are worth reviewing.
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Affiliation(s)
- Heqing Yi
- Department of Nuclear Medicine, Zhejiang Cancer Hospital, Banshan Street 1, Hangzhou, Zhejiang 310022, China; Key Laboratory of Prevention, Diagnosis and Therapy of Upper Gastrointestinal Cancer of Zhejiang Province, Hangzhou 310022, China
| | - Lilin Qin
- Second Clinical Medical College of Zhejiang Chinese Medical University, Banshan Street 1, Hangzhou, Zhejiang 310022, China
| | - Xuemei Ye
- Department of Nuclear Medicine, Zhejiang Cancer Hospital, Banshan Street 1, Hangzhou, Zhejiang 310022, China
| | - Jinling Song
- Department of Nuclear Medicine, Zhejiang Cancer Hospital, Banshan Street 1, Hangzhou, Zhejiang 310022, China
| | - Jianfeng Ji
- Department of Nuclear Medicine, Zhejiang Cancer Hospital, Banshan Street 1, Hangzhou, Zhejiang 310022, China
| | - Ting Ye
- Department of Nuclear Medicine, Zhejiang Cancer Hospital, Banshan Street 1, Hangzhou, Zhejiang 310022, China
| | - Juan Li
- Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Dongfang Street 150, Hangzhou, Zhejiang 310022, China.
| | - Linfa Li
- Department of Nuclear Medicine, Zhejiang Cancer Hospital, Banshan Street 1, Hangzhou, Zhejiang 310022, China.
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Pawlowski KD, Duffy JT, Gottschalk S, Balyasnikova IV. Cytokine Modification of Adoptive Chimeric Antigen Receptor Immunotherapy for Glioblastoma. Cancers (Basel) 2023; 15:5852. [PMID: 38136398 PMCID: PMC10741789 DOI: 10.3390/cancers15245852] [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: 09/18/2023] [Revised: 11/14/2023] [Accepted: 12/12/2023] [Indexed: 12/24/2023] Open
Abstract
Chimeric antigen receptor (CAR) cell-based therapies have demonstrated limited success in solid tumors, including glioblastoma (GBM). GBMs exhibit high heterogeneity and create an immunosuppressive tumor microenvironment (TME). In addition, other challenges exist for CAR therapy, including trafficking and infiltration into the tumor site, proliferation, persistence of CARs once in the tumor, and reduced functionality, such as suboptimal cytokine production. Cytokine modification is of interest, as one can enhance therapy efficacy and minimize off-target toxicity by directly combining CAR therapy with cytokines, antibodies, or oncolytic viruses that alter cytokine response pathways. Alternatively, one can genetically modify CAR T-cells or CAR NK-cells to secrete cytokines or express cytokines or cytokine receptors. Finally, CARs can be genetically altered to augment or suppress intracellular cytokine signaling pathways for a more direct approach. Codelivery of cytokines with CARs is the most straightforward method, but it has associated toxicity. Alternatively, combining CAR therapy with antibodies (e.g., anti-IL-6, anti-PD1, and anti-VEGF) or oncolytic viruses has enhanced CAR cell infiltration into GBM tumors and provided proinflammatory signals to the TME. CAR T- or NK-cells secreting cytokines (e.g., IL-12, IL-15, and IL-18) have shown improved efficacy within multiple GBM subtypes. Likewise, expressing cytokine-modulating receptors in CAR cells that promote or inhibit cytokine signaling has enhanced their activity. Finally, gene editing approaches are actively being pursued to directly influence immune signaling pathways in CAR cells. In this review, we summarize these cytokine modification methods and highlight any existing gaps in the hope of catalyzing an improved generation of CAR-based therapies for glioblastoma.
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Affiliation(s)
- Kristen D. Pawlowski
- Department of Neurological Surgery, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA;
| | - Joseph T. Duffy
- Department of Neurological Surgery, Northwestern University, Chicago, IL 60208, USA;
- Northwestern Medicine Malnati Brain Tumor Institute, Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60208, USA
| | - Stephen Gottschalk
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA;
| | - Irina V. Balyasnikova
- Department of Neurological Surgery, Northwestern University, Chicago, IL 60208, USA;
- Northwestern Medicine Malnati Brain Tumor Institute, Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60208, USA
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Liang T, Song Y, Gu L, Wang Y, Ma W. Insight into the Progress in CAR-T Cell Therapy and Combination with Other Therapies for Glioblastoma. Int J Gen Med 2023; 16:4121-4141. [PMID: 37720174 PMCID: PMC10503554 DOI: 10.2147/ijgm.s418837] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 08/02/2023] [Indexed: 09/19/2023] Open
Abstract
Glioblastoma (GBM) is the most common malignant primary brain cancer in adults. It is always resistant to existing treatments, including surgical resection, postoperative radiotherapy, and chemotherapy, which leads to a dismal prognosis and a high relapse rate. Therefore, novel curative therapies are urgently needed for GBM. Chimeric antigen receptor T (CAR-T) cell therapy has significantly improved life expectancy for hematological malignancies patients, and thus it increases the interest in applying CAR-T cell therapy for solid tumors. In the recently published research, it is indicated that there are numerous obstacles to achieve clinical benefits for solid tumors, especially for GBM, because of GBM anatomical characteristics (the blood-brain barrier and suppressive tumor microenvironment) and the tumor heterogeneity. CAR-T cells are difficult to penetrate blood-brain barrier, and immunosuppressive tumor microenvironment (TME), which induces CAR-T cell exhaustion, impairs CAR-T cell therapy response. Moreover, under the pressure of CAR-T cell therapy, the tumor heterogeneity and tumor plasticity drive tumor evolution and therapy resistance, such as antigen escape. Nonetheless, scientists strive for strategies to overcome these hurdles, including novel CAR-T cell designs and regional delivery. For instance, the structure of multi-antigen-targeted CAR-T cells can enrich CAR-T accumulation in tumor TME and eliminate abundant tumor cells to avoid tumor antigen heterogeneity. Additionally, paired with an immune modifier and one or more stimulating domains, different generation of innovations in the structure and manufacturing of CAR-T cells have improved efficacy and persistence. While single CAR-T cell therapy receives limited clinical survival benefit. Compared with single CAR-T cell therapy, the combination therapies have supplemented the treatment paradigm. Combinatorial treatment methods consolidate the CAR-T cells efficacy by regulating the tumor microenvironment, optimizing the CAR structure, targeting the CAR-T cells to the tumor cells, reversing the tumor-immune escape mechanisms, and represent a promising avenue against GBM, based on multiple impressive research. Moreover, exciting results are also reported to be realized through combining effective therapies with CAR-T cells in preclinical and clinical trials samples, have aroused inspiration to explore the antitumor function of combination therapies. In summary, this study aims to summarize the limitation of CAR-T cell therapies and introduces novel strategies to enhance CAR-T cell function as well as prospect the potential of the therapeutic combination.
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Affiliation(s)
- Tingyu Liang
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China
| | - Yixuan Song
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China
| | - Lingui Gu
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China
| | - Yu Wang
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China
| | - Wenbin Ma
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China
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Romero JM, Titmuss E, Wang Y, Vafiadis J, Pacis A, Jang GH, Zhang A, Golesworthy B, Lenko T, Williamson LM, Grünwald B, O'Kane GM, Jones SJM, Marra MA, Wilson JM, Gallinger S, Laskin J, Zogopoulos G. Chemokine expression predicts T cell-inflammation and improved survival with checkpoint inhibition across solid cancers. NPJ Precis Oncol 2023; 7:73. [PMID: 37558751 PMCID: PMC10412582 DOI: 10.1038/s41698-023-00428-2] [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: 12/26/2022] [Accepted: 07/31/2023] [Indexed: 08/11/2023] Open
Abstract
Immune checkpoint inhibitors (ICI) are highly effective in specific cancers where canonical markers of antitumor immunity are used for patient selection. Improved predictors of T cell-inflammation are needed to identify ICI-responsive tumor subsets in additional cancer types. We investigated associations of a 4-chemokine expression signature (c-Score: CCL4, CCL5, CXCL9, CXCL10) with metrics of antitumor immunity across tumor types. Across cancer entities from The Cancer Genome Atlas, subgroups of tumors displayed high expression of the c-Score (c-Scorehi) with increased expression of immune checkpoint (IC) genes and transcriptional hallmarks of the cancer-immunity cycle. There was an incomplete association of the c-Score with high tumor mutation burden (TMB), with only 15% of c-Scorehi tumors displaying ≥10 mutations per megabase. In a heterogeneous pan-cancer cohort of 82 patients, with advanced and previously treated solid cancers, c-Scorehi tumors had a longer median time to progression (103 versus 72 days, P = 0.012) and overall survival (382 versus 196 days, P = 0.038) following ICI therapy initiation, compared to patients with low c-Score expression. We also found c-Score stratification to outperform TMB assignment for overall survival prediction (HR = 0.42 [0.22-0.79], P = 0.008 versus HR = 0.60 [0.29-1.27], P = 0.18, respectively). Assessment of the c-Score using the TIDE and PredictIO databases, which include ICI treatment outcomes from 10 tumor types, provided further support for the c-Score as a predictive ICI therapeutic biomarker. In summary, the c-Score identifies patients with hallmarks of T cell-inflammation and potential response to ICI treatment across cancer types, which is missed by TMB assignment.
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Affiliation(s)
- Joan Miguel Romero
- Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Rosalind and Morris Goodman Cancer Institute of McGill University, Montréal, QC, Canada
| | - Emma Titmuss
- Canada's Michael Smith Genome Sciences Centre at BC Cancer, Vancouver, BC, Canada
| | - Yifan Wang
- Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Rosalind and Morris Goodman Cancer Institute of McGill University, Montréal, QC, Canada
- Department of Surgery, McGill University, Montréal, QC, Canada
| | - James Vafiadis
- Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Rosalind and Morris Goodman Cancer Institute of McGill University, Montréal, QC, Canada
| | - Alain Pacis
- Rosalind and Morris Goodman Cancer Institute of McGill University, Montréal, QC, Canada
- Canadian Centre for Computational Genomics, McGill University and Genome Québec Innovation Centre, Montréal, QC, Canada
| | - Gun Ho Jang
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, ON, Canada
| | - Amy Zhang
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, ON, Canada
| | - Bryn Golesworthy
- Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Rosalind and Morris Goodman Cancer Institute of McGill University, Montréal, QC, Canada
| | - Tatiana Lenko
- Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Rosalind and Morris Goodman Cancer Institute of McGill University, Montréal, QC, Canada
| | - Laura M Williamson
- Canada's Michael Smith Genome Sciences Centre at BC Cancer, Vancouver, BC, Canada
| | - Barbara Grünwald
- Princess Margaret Cancer Centre, University Health Network, University of Toronto, Toronto, ON, Canada
| | - Grainne M O'Kane
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, ON, Canada
- Wallace McCain Centre for Pancreatic Cancer, Princess Margaret Cancer Centre, Toronto, ON, Canada
| | - Steven J M Jones
- Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
| | - Marco A Marra
- Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
| | - Julie M Wilson
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, ON, Canada
| | - Steven Gallinger
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, ON, Canada
- Wallace McCain Centre for Pancreatic Cancer, Princess Margaret Cancer Centre, Toronto, ON, Canada
| | - Janessa Laskin
- Department of Medical Oncology, BC Cancer, Vancouver, BC, Canada
| | - George Zogopoulos
- Research Institute of the McGill University Health Centre, Montréal, QC, Canada.
- Rosalind and Morris Goodman Cancer Institute of McGill University, Montréal, QC, Canada.
- Department of Surgery, McGill University, Montréal, QC, Canada.
- Department of Oncology, McGill University, Montréal, QC, Canada.
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7
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Cortellino S, Longo VD. Metabolites and Immune Response in Tumor Microenvironments. Cancers (Basel) 2023; 15:3898. [PMID: 37568713 PMCID: PMC10417674 DOI: 10.3390/cancers15153898] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/27/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open
Abstract
The remodeled cancer cell metabolism affects the tumor microenvironment and promotes an immunosuppressive state by changing the levels of macro- and micronutrients and by releasing hormones and cytokines that recruit immunosuppressive immune cells. Novel dietary interventions such as amino acid restriction and periodic fasting mimicking diets can prevent or dampen the formation of an immunosuppressive microenvironment by acting systemically on the release of hormones and growth factors, inhibiting the release of proinflammatory cytokines, and remodeling the tumor vasculature and extracellular matrix. Here, we discuss the latest research on the effects of these therapeutic interventions on immunometabolism and tumor immune response and future scenarios pertaining to how dietary interventions could contribute to cancer therapy.
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Affiliation(s)
- Salvatore Cortellino
- Laboratory of Pre-Clinical and Translational Research, IRCCS-CROB, Referral Cancer Center of Basilicata, 85028 Rionero in Vulture, Italy;
| | - Valter D. Longo
- IFOM, The AIRC Institute of Molecular Oncology, 20139 Milan, Italy
- Longevity Institute, Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089, USA
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Bruni S, Mercogliano MF, Mauro FL, Cordo Russo RI, Schillaci R. Cancer immune exclusion: breaking the barricade for a successful immunotherapy. Front Oncol 2023; 13:1135456. [PMID: 37284199 PMCID: PMC10239871 DOI: 10.3389/fonc.2023.1135456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 05/10/2023] [Indexed: 06/08/2023] Open
Abstract
Immunotherapy has changed the course of cancer treatment. The initial steps were made through tumor-specific antibodies that guided the setup of an antitumor immune response. A new and successful generation of antibodies are designed to target immune checkpoint molecules aimed to reinvigorate the antitumor immune response. The cellular counterpart is the adoptive cell therapy, where specific immune cells are expanded or engineered to target cancer cells. In all cases, the key for achieving positive clinical resolutions rests upon the access of immune cells to the tumor. In this review, we focus on how the tumor microenvironment architecture, including stromal cells, immunosuppressive cells and extracellular matrix, protects tumor cells from an immune attack leading to immunotherapy resistance, and on the available strategies to tackle immune evasion.
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Wang G, Zhang Z, Zhong K, Wang Z, Yang N, Tang X, Li H, Lu Q, Wu Z, Yuan B, Zheng M, Cheng P, Tong A, Zhou L. CXCL11-armed oncolytic adenoviruses enhance CAR-T cell therapeutic efficacy and reprogram tumor microenvironment in glioblastoma. Mol Ther 2023; 31:134-153. [PMID: 36056553 PMCID: PMC9840126 DOI: 10.1016/j.ymthe.2022.08.021] [Citation(s) in RCA: 76] [Impact Index Per Article: 76.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 08/15/2022] [Accepted: 08/26/2022] [Indexed: 01/28/2023] Open
Abstract
Glioblastoma (GBM) is the most aggressive primary malignant brain cancer and urgently requires effective treatments. Chimeric antigen receptor T (CAR-T) cell therapy offers a potential treatment method, but it is often hindered by poor infiltration of CAR-T cells in tumors and highly immunosuppressive tumor microenvironment (TME). Here, we armed an oncolytic adenovirus (oAds) with a chemokine CXCL11 to increase the infiltration of CAR-T cells and reprogram the immunosuppressive TME, thus improving its therapeutic efficacy. In both immunodeficient and immunocompetent orthotopic GBM mice models, we showed that B7H3-targeted CAR-T cells alone failed to inhibit GBM growth but, when combined with the intratumoral administration of CXCL11-armed oAd, it achieved a durable antitumor response. Besides, oAd-CXCL11 had a potent antitumor effect and reprogramed the immunosuppressive TME in GL261 GBM models, in which increased infiltration of CD8+ T lymphocytes, natural killer (NK) cells, and M1-polarized macrophages, while decreased proportions of myeloid-derived suppressor cells (MDSCs), regulatory T cells (Tregs) and M2-polarized macrophages were observed. Furthermore, the antitumor effect of the oAd-CXCL11 was CD8+ T cell dependent. Our findings thus revealed that CXCL11-armed oAd can improve immune-virotherapy and can be a promising adjuvant of CAR-T therapy for GBM.
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Affiliation(s)
- Guoqing Wang
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu 610041, PR China
| | - Zongliang Zhang
- State Key Laboratory of Biotherapy and Cancer Center, Research Unit of Gene and Immunotherapy, Chinese Academy of Medical Sciences, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, PR China
| | - Kunhong Zhong
- State Key Laboratory of Biotherapy and Cancer Center, Research Unit of Gene and Immunotherapy, Chinese Academy of Medical Sciences, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, PR China
| | - Zeng Wang
- State Key Laboratory of Biotherapy and Cancer Center, Research Unit of Gene and Immunotherapy, Chinese Academy of Medical Sciences, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, PR China
| | - Nian Yang
- State Key Laboratory of Biotherapy and Cancer Center, Research Unit of Gene and Immunotherapy, Chinese Academy of Medical Sciences, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, PR China
| | - Xin Tang
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu 610041, PR China
| | - Hexian Li
- State Key Laboratory of Biotherapy and Cancer Center, Research Unit of Gene and Immunotherapy, Chinese Academy of Medical Sciences, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, PR China
| | - Qizhong Lu
- State Key Laboratory of Biotherapy and Cancer Center, Research Unit of Gene and Immunotherapy, Chinese Academy of Medical Sciences, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, PR China
| | - Zhiguo Wu
- State Key Laboratory of Biotherapy and Cancer Center, Research Unit of Gene and Immunotherapy, Chinese Academy of Medical Sciences, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, PR China
| | - Boyang Yuan
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu 610041, PR China
| | - Meijun Zheng
- Department of Otolaryngology, Head and Neck Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu 610041, PR China
| | - Ping Cheng
- State Key Laboratory of Biotherapy and Cancer Center, Research Unit of Gene and Immunotherapy, Chinese Academy of Medical Sciences, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, PR China
| | - Aiping Tong
- State Key Laboratory of Biotherapy and Cancer Center, Research Unit of Gene and Immunotherapy, Chinese Academy of Medical Sciences, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, PR China.
| | - Liangxue Zhou
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu 610041, PR China.
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Fernandes MB, Barata JT. IL-7 and IL-7R in health and disease: An update through COVID times. Adv Biol Regul 2023; 87:100940. [PMID: 36503870 DOI: 10.1016/j.jbior.2022.100940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 11/24/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022]
Abstract
The role of IL-7 and IL-7R for normal lymphoid development and an adequately functioning immune system has been recognized for long, with severe immune deficiency and lymphoid leukemia as extreme examples of the consequences of deregulation of the IL-7-IL-7R axis. In this review, we provide an update (focusing on the past couple of years) on IL-7 and IL-7R in health and disease. We highlight the findings on IL-7/IL-7R signaling mechanisms and the, sometimes controversial, impact of IL-7 and its receptor on leukocyte biology, COVID-19, acute lymphoblastic leukemia, and different solid tumors, as well as their relevance as therapeutic tools or targets.
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Affiliation(s)
- Marta B Fernandes
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, 1649-028, Lisbon, Portugal
| | - João T Barata
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, 1649-028, Lisbon, Portugal.
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11
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Li W, Lv L, Ruan M, Xu J, Zhu W, Li Q, Jiang X, Zheng L, Zhu W. Qin Huang formula enhances the effect of Adriamycin in B-cell lymphoma via increasing tumor infiltrating lymphocytes by targeting toll-like receptor signaling pathway. BMC Complement Med Ther 2022; 22:185. [PMID: 35818037 PMCID: PMC9272877 DOI: 10.1186/s12906-022-03660-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 06/29/2022] [Indexed: 12/05/2022] Open
Abstract
Background As an original traditional Chinese medicinal formula, Qin Huang formula (QHF) is used as adjuvant therapy for treating lymphoma in our hospital and has proven efficacy when combined with chemotherapy. However, the underlying mechanisms of QHF have not been elucidated. Methods A network pharmacological-based analysis method was used to screen the active components and predict the potential mechanisms of QHF in treating B cell lymphoma. Then, a murine model was built to verify the antitumor effect of QHF combined with Adriamycin (ADM) in vivo. Finally, IHC, ELISA, 18F-FDG PET-CT scan, and western blot were processed to reveal the intriguing mechanism of QHF in treating B cell lymphoma. Results The systemic pharmacological study revealed that QHF took effect following a multiple-target and multiple-pathway pattern in the human body. In vivo study showed that combination therapy with QHF and ADM potently inhibited the growth of B cell lymphoma in a syngeneic murine model, and significantly increased the proportion of tumor infiltrating CD4+ and CD8+ T cells in the tumor microenvironment (TME). Furthermore, the level of CXCL10 and IL-6 was significantly increased in the combination group. Finally, the western blot exhibited that the level of TLR2 and p38 MAPK increased in the combination therapy group. Conclusion QHF in combination of ADM enhances the antitumor effect of ADM via modulating tumor immune microenvironment and can be a combination therapeutic strategy for B cell lymphoma patients. Supplementary Information The online version contains supplementary material available at 10.1186/s12906-022-03660-8.
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12
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Sharma G, Pothuraju R, Kanchan RK, Batra SK, Siddiqui JA. Chemokines network in bone metastasis: Vital regulators of seeding and soiling. Semin Cancer Biol 2022; 86:457-472. [PMID: 35124194 PMCID: PMC9744380 DOI: 10.1016/j.semcancer.2022.02.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/20/2022] [Accepted: 02/01/2022] [Indexed: 02/07/2023]
Abstract
Chemokines are well equipped with chemo-attractive signals that can regulate cancer cell trafficking to specific organ sites. Currently, updated concepts have revealed the diverse role of chemokines in the biology of cancer initiation and progression. Genomic instabilities and alterations drive tumor heterogeneity, providing more options for the selection and metastatic progression to cancer cells. Tumor heterogeneity and acquired drug resistance are the main obstacles in managing cancer therapy and the primary root cause of metastasis. Studies emphasize that multiple chemokine/receptor axis are involved in cancer cell-mediated organ-specific distant metastasis. One of the persuasive mechanisms for heterogeneity and subsequent events is sturdily interlinked with the crosstalk between chemokines and their receptors on cancer cells and tissue-specific microenvironment. Among different metastatic niches, skeletal metastasis is frequently observed in the late stages of prostate, breast, and lung cancer and significantly reduces the survival of cancer patients. Therefore, it is crucial to elucidate the role of chemokines and their receptors in metastasis and bone remodeling. Here, we review the potential chemokine/receptor axis in tumorigenesis, tumor heterogeneity, metastasis, and vicious cycle in bone microenvironment.
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Affiliation(s)
- Gunjan Sharma
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Ramesh Pothuraju
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Ranjana Kumari Kanchan
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Surinder Kumar Batra
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA; Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA; Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Jawed Akhtar Siddiqui
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA; Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
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13
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Zhao Y, Wei K, Chi H, Xia Z, Li X. IL-7: A promising adjuvant ensuring effective T cell responses and memory in combination with cancer vaccines? Front Immunol 2022; 13:1022808. [PMID: 36389666 PMCID: PMC9650235 DOI: 10.3389/fimmu.2022.1022808] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 10/17/2022] [Indexed: 11/30/2022] Open
Abstract
Cancer vaccines exhibit specificity, effectiveness, and safety as an alternative immunotherapeutic strategy to struggle against malignant diseases, especially with the rapid development of mRNA cancer vaccines in recent years. However, how to maintain long-term immune memory after vaccination, especially T cells memory, to fulfill lasting surveillance against cancers, is still a challenging issue for researchers all over the world. IL-7 is critical for the development, maintenance, and proliferation of T lymphocytes, highlighting its potential role as an adjuvant in the development of cancer vaccines. Here, we summarized the IL-7/IL-7 receptor signaling in the development of T lymphocytes, the biological function of IL-7 in the maintenance and survival of T lymphocytes, the performance of IL-7 in pre-clinical and clinical trials of cancer vaccines, and the rationale to apply IL-7 as an adjuvant in cancer vaccine-based therapeutic strategy.
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Affiliation(s)
- Yue Zhao
- Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang, China
- Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Kongyuan Wei
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Hao Chi
- Clinical Medical Collage, Southwest Medical University, Luzhou, China
| | - Zhijia Xia
- Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
- *Correspondence: Zhijia Xia, ; Xiaosong Li,
| | - Xiaosong Li
- Clinical Molecular Medicine Testing Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
- *Correspondence: Zhijia Xia, ; Xiaosong Li,
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14
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Wang C, Kong L, Kim S, Lee S, Oh S, Jo S, Jang I, Kim TD. The Role of IL-7 and IL-7R in Cancer Pathophysiology and Immunotherapy. Int J Mol Sci 2022; 23:ijms231810412. [PMID: 36142322 PMCID: PMC9499417 DOI: 10.3390/ijms231810412] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/06/2022] [Accepted: 09/06/2022] [Indexed: 12/03/2022] Open
Abstract
Interleukin-7 (IL-7) is a multipotent cytokine that maintains the homeostasis of the immune system. IL-7 plays a vital role in T-cell development, proliferation, and differentiation, as well as in B cell maturation through the activation of the IL-7 receptor (IL-7R). IL-7 is closely associated with tumor development and has been used in cancer clinical research and therapy. In this review, we first summarize the roles of IL-7 and IL-7Rα and their downstream signaling pathways in immunity and cancer. Furthermore, we summarize and discuss the recent advances in the use of IL-7 and IL-7Rα as cancer immunotherapy tools and highlight their potential for therapeutic applications. This review will help in the development of cancer immunotherapy regimens based on IL-7 and IL-7Rα, and will also advance their exploitation as more effective and safe immunotherapy tools.
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Affiliation(s)
- Chunli Wang
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
| | - Lingzu Kong
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 34134, Korea
| | - Seokmin Kim
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology, Daejeon 34113, Korea
| | - Sunyoung Lee
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
- Department of Life Sciences, Korea University, Seoul 02841, Korea
| | - Sechan Oh
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology, Daejeon 34113, Korea
| | - Seona Jo
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology, Daejeon 34113, Korea
| | - Inhwan Jang
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology, Daejeon 34113, Korea
| | - Tae-Don Kim
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology, Daejeon 34113, Korea
- Correspondence:
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15
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Galarza-Muñoz G, Kennedy-Boone D, Schott G, Bradrick SS, Garcia-Blanco MA. Antisense modulation of IL7R splicing to control sIL7R expression in human CD4 + T cells. RNA (NEW YORK, N.Y.) 2022; 28:1058-1073. [PMID: 35613883 PMCID: PMC9297843 DOI: 10.1261/rna.079137.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 05/06/2022] [Indexed: 06/15/2023]
Abstract
The interleukin 7 receptor (IL7R) is strongly associated with increased risk to develop multiple sclerosis (MS), an autoimmune disease of the central nervous system, and this association is likely driven by up-regulation of the soluble isoform of IL7R (sIL7R). Expression of sIL7R is determined by exclusion of the alternative exon 6 from IL7R transcripts, and our previous work revealed that the MS risk allele of the SNP rs6897932 within this exon enhances the expression of sIL7R by promoting exclusion of exon 6. sIL7R potentiates the activity of IL7, leading to enhanced expansion of T cells and increased disability in the experimental autoimmune encephalomyelitis (EAE) murine model of MS. This role in modulating T cell-driven immunity positions sIL7R as an attractive therapeutic target whose expression could be reduced for treatment of MS or increased for treatment of cancers. In this study, we identified novel antisense oligonucleotides (ASOs) that effectively control the inclusion (anti-sIL7R ASOs) or exclusion (pro-sIL7R ASOs) of this exon in a dose-dependent fashion. These ASOs provided excellent control of exon 6 splicing and sIL7R secretion in human primary CD4+ T cells. Supporting their potential for therapeutic targeting, we showed that lead anti-sIL7R ASOs correct the enhanced exon 6 exclusion imposed by the MS risk allele of rs6897932, whereas lead pro-sIL7R ASOs phenocopy it. The data presented here form the foundation for future preclinical studies that will test the therapeutic potential of these ASOs in MS and immuno-oncology.
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Affiliation(s)
- Gaddiel Galarza-Muñoz
- Autoimmunity BioSolutions, Galveston, Texas 77550, USA
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, Texas 77550, USA
- Department of Neurology, University of Texas Medical Branch, Galveston, Texas 77550, USA
| | - Debbie Kennedy-Boone
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, Texas 77550, USA
| | - Geraldine Schott
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, Texas 77550, USA
| | - Shelton S Bradrick
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, Texas 77550, USA
- Institute of Human Infections and Immunity, University of Texas Medical Branch, Galveston, Texas 77550, USA
| | - Mariano A Garcia-Blanco
- Autoimmunity BioSolutions, Galveston, Texas 77550, USA
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, Texas 77550, USA
- Institute of Human Infections and Immunity, University of Texas Medical Branch, Galveston, Texas 77550, USA
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16
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Zhang PF, Wang C, Zhang L, Li Q. Reversing chemokine/chemokine receptor mismatch to enhance the antitumor efficacy of CAR-T cells. Immunotherapy 2022; 14:459-473. [PMID: 35232284 DOI: 10.2217/imt-2021-0228] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Currently, the antitumor efficacy of chimeric antigen receptor T cells in solid tumors is modest. Both chemokines and their receptors play a key role in the proliferation of cancer cells, tumor angiogenesis, organ-selective metastasis and migration of immune cells to solid tumors. Unfortunately, frequent chemokine/chemokine receptor 'mismatch' between effector cells and the tumor microenvironment results in inefficient T-cell infiltration and antitumor efficacy. Thus, reversing the 'mismatch' of chemokines and chemokine receptors appears to be a promising method for promoting T-cell infiltration into the tumor and enhancing their antitumor efficacy. In this review, we discuss functions of the chemokine/chemokine receptor axis in cancer immunity and the current understanding, challenges and prospects for improving the effect of chimeric antigen receptor T cells by reversing the mismatch between chemokines and chemokine receptors.
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Affiliation(s)
- Peng-Fei Zhang
- Department of Medical Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, 610041, China.,State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, & Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China.,Laboratory of Human Diseases & Immunotherapies, West China Hospital, Sichuan University, Chengdu, 610041, China.,Institute of Immunology & Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Chuang Wang
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, & Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China.,Laboratory of Human Diseases & Immunotherapies, West China Hospital, Sichuan University, Chengdu, 610041, China.,Institute of Immunology & Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Le Zhang
- College of Computer Science, Sichuan University, Chengdu, 610065, China
| | - Qiu Li
- Department of Medical Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, 610041, China.,State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, & Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China
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17
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Huang J, Long Z, Jia R, Wang M, Zhu D, Liu M, Chen S, Zhao X, Yang Q, Wu Y, Zhang S, Tian B, Mao S, Ou X, Sun D, Gao Q, Cheng A. The Broad Immunomodulatory Effects of IL-7 and Its Application In Vaccines. Front Immunol 2021; 12:680442. [PMID: 34956167 PMCID: PMC8702497 DOI: 10.3389/fimmu.2021.680442] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 11/24/2021] [Indexed: 12/30/2022] Open
Abstract
Interleukin-7 (IL-7) is produced by stromal cells, keratinocytes, and epithelial cells in host tissues or tumors and exerts a wide range of immune effects mediated by the IL-7 receptor (IL-7R). IL-7 is primarily involved in regulating the development of B cells, T cells, natural killer cells, and dendritic cells via the JAK-STAT, PI3K-Akt, and MAPK pathways. This cytokine participates in the early generation of lymphocyte subsets and maintain the survival of all lymphocyte subsets; in particular, IL-7 is essential for orchestrating the rearrangement of immunoglobulin genes and T-cell receptor genes in precursor B and T cells, respectively. In addition, IL-7 can aid the activation of immune cells in anti-virus and anti-tumor immunity and plays important roles in the restoration of immune function. These biological functions of IL-7 make it an important molecular adjuvant to improve vaccine efficacy as it can promote and extend systemic immune responses against pathogens by prolonging lymphocyte survival, enhancing effector cell activity, and increasing antigen-specific memory cell production. This review focuses on the biological function and mechanism of IL-7 and summarizes its contribution towards improved vaccine efficacy. We hope to provide a thorough overview of this cytokine and provide strategies for the development of the future vaccines.
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Affiliation(s)
- Juan Huang
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Zhiyao Long
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Renyong Jia
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Mingshu Wang
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Dekang Zhu
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Mafeng Liu
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Shun Chen
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Xinxin Zhao
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Qiao Yang
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Ying Wu
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Shaqiu Zhang
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Bin Tian
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Sai Mao
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Xumin Ou
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Di Sun
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Qun Gao
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Anchun Cheng
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, China.,Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, China
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Hart M, Nickl L, Walch-Rueckheim B, Krammes L, Rheinheimer S, Diener C, Taenzer T, Kehl T, Sester M, Lenhof HP, Keller A, Meese E. Wrinkle in the plan: miR-34a-5p impacts chemokine signaling by modulating CXCL10/CXCL11/CXCR3-axis in CD4 +, CD8 + T cells, and M1 macrophages. J Immunother Cancer 2021; 8:jitc-2020-001617. [PMID: 33229509 PMCID: PMC7684812 DOI: 10.1136/jitc-2020-001617] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/27/2020] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND In 2016 the first-in-human phase I study of a miRNA-based cancer therapy with a liposomal mimic of microRNA-34a-5p (miR-34a-5p) was closed due to five immune related serious adverse events (SAEs) resulting in four patient deaths. For future applications of miRNA mimics in cancer therapy it is mandatory to unravel the miRNA effects both on the tumor tissue and on immune cells. Here, we set out to analyze the impact of miR-34a-5p over-expression on the CXCL10/CXCL11/CXCR3 axis, which is central for the development of an effective cancer control. METHODS We performed a whole genome expression analysis of miR-34a-5p transfected M1 macrophages followed by an over-representation and a protein-protein network analysis. In-silico miRNA target prediction and dual luciferase assays were used for target identification and verification. Target genes involved in chemokine signaling were functionally analyzed in M1 macrophages, CD4+ and CD8+ T cells. RESULTS A whole genome expression analysis of M1 macrophages with induced miR-34a-5p over-expression revealed an interaction network of downregulated target mRNAs including CXCL10 and CXCL11. In-silico target prediction in combination with dual luciferase assays identified direct binding of miR-34a-5p to the 3'UTRs of CXCL10 and CXCL11. Decreased CXCL10 and CXCL11 secretion was shown on the endogenous protein level and in the supernatant of miR-34a-5p transfected and activated M1 macrophages. To complete the analysis of the CXCL10/CXCL11/CXCR3 axis, we activated miR-34a-5p transfected CD4+ and CD8+ T cells by PMA/Ionomycin and found reduced levels of endogenous CXCR3 and CXCR3 on the cell surface. CONCLUSIONS MiR-34a-5p mimic administered by intravenous administration will likely not only be up-taken by the tumor cells but also by the immune cells. Our results indicate that miR-34a-5p over-expression leads in M1 macrophages to a reduced secretion of CXCL10 and CXCL11 chemokines and in CD4+ and CD8+ T cells to a reduced expression of CXCR3. As a result, less immune cells will be attracted to the tumor site. Furthermore, high levels of miR-34a-5p in naive CD4+ T cells can in turn hinder Th1 cell polarization through the downregulation of CXCR3 leading to a less pronounced activation of cytotoxic T lymphocytes, natural killer, and natural killer T cells and possibly contributing to lymphocytopenia.
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Affiliation(s)
- Martin Hart
- Institute of Human Genetics, Saarland University, 66421 Homburg, Germany
| | - Laura Nickl
- Institute of Human Genetics, Saarland University, 66421 Homburg, Germany
| | - Barbara Walch-Rueckheim
- Institute of Virology and Center of Human & Molecular Biology, Saarland University, 66421 Homburg, Germany
| | - Lena Krammes
- Institute of Human Genetics, Saarland University, 66421 Homburg, Germany
| | | | - Caroline Diener
- Institute of Human Genetics, Saarland University, 66421 Homburg, Germany
| | - Tanja Taenzer
- Institute of Virology and Center of Human & Molecular Biology, Saarland University, 66421 Homburg, Germany
| | - Tim Kehl
- Center for Bioinformatics, Saarland University, 66123 Saarbrücken, Germany
| | - Martina Sester
- Department of Transplant and Infection Immunology, Saarland University, 66421 Homburg, Germany
| | - Hans-Peter Lenhof
- Center for Bioinformatics, Saarland University, 66123 Saarbrücken, Germany
| | - Andreas Keller
- Chair for Clinical Bioinformatics, Saarland University, 66123 Saarbrücken, Germany.,Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
| | - Eckart Meese
- Institute of Human Genetics, Saarland University, 66421 Homburg, Germany
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19
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Lee KS, Chung WY, Park JE, Jung YJ, Park JH, Sheen SS, Park KJ. Interferon-γ-Inducible Chemokines as Prognostic Markers for Lung Cancer. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18179345. [PMID: 34501934 PMCID: PMC8431216 DOI: 10.3390/ijerph18179345] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 09/01/2021] [Accepted: 09/02/2021] [Indexed: 11/16/2022]
Abstract
Interferon (IFN)-γ-inducible chemokines in the CXCR3/ligand axis are involved in cell-mediated immunity and play a significant role in the progression of cancer. We enrolled patients with lung cancer (n = 144) and healthy volunteers as the controls (n = 140). Initial blood samples were collected and concentrations of IFN-γ and IFN-γ-inducible chemokines CXCL9, CXCL10, and CXCL11 were measured using enzyme-linked immunosorbent assay. Of patients with lung cancer, 125 had non-small cell lung cancer (NSCLC) and 19 had small cell lung cancer. The area under the curve (AUC) (95% CI) of CXCL9 was 0.83 (0.80-0.89) for differentiating lung cancer patients from controls. The levels of all the markers were significantly higher in NSCLC patients with stage IV than in those with stages I-III. A Kaplan-Meier survival analysis showed that NSCLC cancer patients with higher levels of all markers showed poorer survival than those with lower levels. In Cox multivariate analysis of patients with NSCLC, independent prognostic factors for overall survival were CXCL9 and CXCL11. CXCL9 was the only independent prognostic factor for cancer-specific survival. Serum IFN-γ-inducible chemokines may be useful as clinical markers of metastasis and prognosis in NSCLC, and CXCL9 levels showed the most significant results.
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20
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Direct Tumor Killing and Immunotherapy through Anti-SerpinB9 Therapy. Cell 2021; 183:1219-1233.e18. [PMID: 33242418 DOI: 10.1016/j.cell.2020.10.045] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 08/03/2020] [Accepted: 10/26/2020] [Indexed: 12/25/2022]
Abstract
Cancer therapies kill tumors either directly or indirectly by evoking immune responses and have been combined with varying levels of success. Here, we describe a paradigm to control cancer growth that is based on both direct tumor killing and the triggering of protective immunity. Genetic ablation of serine protease inhibitor SerpinB9 (Sb9) results in the death of tumor cells in a granzyme B (GrB)-dependent manner. Sb9-deficient mice exhibited protective T cell-based host immunity to tumors in association with a decline in GrB-expressing immunosuppressive cells within the tumor microenvironment (TME). Maximal protection against tumor development was observed when the tumor and host were deficient in Sb9. The therapeutic utility of Sb9 inhibition was demonstrated by the control of tumor growth, resulting in increased survival times in mice. Our studies describe a molecular target that permits a combination of tumor ablation, interference within the TME, and immunotherapy in one potential modality.
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21
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Koyas A, Tucer S, Kayhan M, Savas AC, Akdemir I, Cekic C. Interleukin-7 protects CD8 + T cells from adenosine-mediated immunosuppression. Sci Signal 2021; 14:14/674/eabb1269. [PMID: 33727336 DOI: 10.1126/scisignal.abb1269] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The nucleoside adenosine accumulates extracellularly in solid tumors and inhibits CD8+ T cells by activating adenosine receptors. The cytokine interleukin-7 (IL-7), which is produced by various tissues and tumors, promotes the survival and maintenance of T cells. Adenosine and IL-7 signaling are being clinically targeted separately or in combination with other therapies for solid tumor indications. Here, we found that IL-7 signaling promoted the accumulation of tumor-associated CD8+ T cells, in part, by preventing adenosine-mediated immunosuppression. Inhibition of the transcription factor FoxO1 downstream of IL-7 receptor signaling was important for protecting CD8+ T cells from suppression by adenosine. These findings have implications for the development of new approaches for cancer immunotherapies that target the adenosine pathway.
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Affiliation(s)
- Altay Koyas
- Department of Molecular Biology and Genetics, Bilkent University, Ankara 06800, Turkey
| | - Suat Tucer
- Department of Molecular Biology and Genetics, Bilkent University, Ankara 06800, Turkey
| | - Merve Kayhan
- Department of Molecular Biology and Genetics, Bilkent University, Ankara 06800, Turkey
| | - Ali Can Savas
- Department of Molecular Biology and Genetics, Bilkent University, Ankara 06800, Turkey
| | - Imran Akdemir
- Department of Molecular Biology and Genetics, Bilkent University, Ankara 06800, Turkey
| | - Caglar Cekic
- Department of Molecular Biology and Genetics, Bilkent University, Ankara 06800, Turkey. .,Division of Developmental Immunology, La Jolla Institute for Immunology, La Jolla, CA 92037, USA
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22
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Marcovecchio PM, Thomas G, Salek-Ardakani S. CXCL9-expressing tumor-associated macrophages: new players in the fight against cancer. J Immunother Cancer 2021; 9:jitc-2020-002045. [PMID: 33637602 PMCID: PMC7919587 DOI: 10.1136/jitc-2020-002045] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/28/2020] [Indexed: 12/27/2022] Open
Abstract
Tumor-associated macrophages (TAMs) are among the main contributors to immune suppression in the tumor microenvironment, however, TAM depletion strategies have yielded little clinical benefit. Here, we discuss the concept that TAMs are also key regulators of anti-PD(L)-1-mediated CD8 T cell-dependent immunity. Emerging data suggest that expression of the chemokine CXCL9 by TAMs regulates the recruitment and positioning of CXCR3-expressing stem-like CD8 T (Tstem) cells that underlie clinical responses to anti-PD(L)-1 treatment. We evaluate clinical and mechanistic studies that establish relationships between CXCL9-expressing TAMs, Tstem and antitumor immunity. Therapies that enhance anti-PD(L)-1 response rates must consider TAM CXCL9 expression. In this perspective, we discuss opportunities to enhance the frequency and function of CXCL9 expressing TAMs and draw on comparative analyzes from infectious disease models to highlight potential functions of these cells beyond Tstem recruitment.
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Affiliation(s)
| | - Graham Thomas
- Cancer Immunology Discovery, Pfizer Inc, San Diego, California, USA
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23
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Bednarz-Misa I, Bromke MA, Krzystek-Korpacka M. Interleukin (IL)-7 Signaling in the Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1290:9-49. [PMID: 33559853 DOI: 10.1007/978-3-030-55617-4_2] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Interleukin (IL)-7 plays an important immunoregulatory role in different types of cells. Therefore, it attracts researcher's attention, but despite the fact, many aspects of its modulatory action, as well as other functionalities, are still poorly understood. The review summarizes current knowledge on the interleukin-7 and its signaling cascade in context of cancer development. Moreover, it provides a cancer-type focused description of the involvement of IL-7 in solid tumors, as well as hematological malignancies.The interleukin has been discovered as a growth factor crucial for the early lymphocyte development and supporting the growth of malignant cells in certain leukemias and lymphomas. Therefore, its targeting has been explored as a treatment modality in hematological malignancies, while the unique ability to expand lymphocyte populations selectively and without hyperinflammation has been used in experimental immunotherapies in patients with lymphopenia. Ever since the early research demonstrated a reduced growth of solid tumors in the presence of IL-7, the interleukin application in boosting up the anticancer immunity has been investigated. However, a growing body of evidence indicative of IL-7 upregulation in carcinomas, facilitating tumor growth and metastasis and aiding drug-resistance, is accumulating. It therefore becomes increasingly apparent that the response to the IL-7 stimulus strongly depends on cell type, their developmental stage, and microenvironmental context. The interleukin exerts its regulatory action mainly through phosphorylation events in JAK/STAT and PI3K/Akt pathways, while the significance of MAPK pathway seems to be limited to solid tumors. Given the unwavering interest in IL-7 application in immunotherapy, a better understanding of interleukin role, source in tumor microenvironment, and signaling pathways, as well as the identification of cells that are likely to respond should be a research priority.
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Affiliation(s)
- Iwona Bednarz-Misa
- Department of Medical Biochemistry, Wroclaw Medical University, Wroclaw, Poland
| | - Mariusz A Bromke
- Department of Medical Biochemistry, Wroclaw Medical University, Wroclaw, Poland
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24
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Zhang Y, Guan XY, Jiang P. Cytokine and Chemokine Signals of T-Cell Exclusion in Tumors. Front Immunol 2020; 11:594609. [PMID: 33381115 PMCID: PMC7768018 DOI: 10.3389/fimmu.2020.594609] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 10/30/2020] [Indexed: 12/14/2022] Open
Abstract
The success of cancer immunotherapy in solid tumors depends on a sufficient distribution of effector T cells into malignant lesions. However, immune-cold tumors utilize many T-cell exclusion mechanisms to resist immunotherapy. T cells have to go through three steps to fight against tumors: trafficking to the tumor core, surviving and expanding, and maintaining the memory phenotype for long-lasting responses. Cytokines and chemokines play critical roles in modulating the recruitment of T cells and the overall cellular compositions of the tumor microenvironment. Manipulating the cytokine or chemokine environment has brought success in preclinical models and early-stage clinical trials. However, depending on the immune context, the same cytokine or chemokine signals may exhibit either antitumor or protumor activities and induce unwanted side effects. Therefore, a comprehensive understanding of the cytokine and chemokine signals is the premise of overcoming T-cell exclusion for effective and innovative anti-cancer therapies.
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Affiliation(s)
- Yu Zhang
- Cancer Data Science Lab, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
- Department of Clinical Oncology, University of Hong Kong, Hong Kong, Hong Kong
| | - Xin-yuan Guan
- Department of Clinical Oncology, University of Hong Kong, Hong Kong, Hong Kong
| | - Peng Jiang
- Cancer Data Science Lab, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
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25
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Kim JH, Kim YM, Choi D, Jo SB, Park HW, Hong SW, Park S, Kim S, Moon S, You G, Kang YW, Park Y, Lee BH, Lee SW. Hybrid Fc-fused interleukin-7 induces an inflamed tumor microenvironment and improves the efficacy of cancer immunotherapy. Clin Transl Immunology 2020; 9:e1168. [PMID: 32994996 PMCID: PMC7507498 DOI: 10.1002/cti2.1168] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 07/07/2020] [Accepted: 08/02/2020] [Indexed: 12/14/2022] Open
Abstract
Objectives Emerging oncotherapeutic strategies require the induction of an immunostimulatory tumor microenvironment (TME) containing numerous tumor‐reactive CD8+ T cells. Interleukin‐7 (IL‐7), a T‐cell homeostatic cytokine, induces an antitumor response; however, the detailed mechanisms underlying the contributions of the IL‐7 to TME remain unclear. Here, we aimed to investigate the mechanism underlying the induction of antitumor response by hybrid Fc‐fused long‐acting recombinant human IL‐7 (rhIL‐7‐hyFc) through regulation of both adaptive and innate immune cells in the TME. Methods We evaluated rhIL‐7‐hyFc‐mediated antitumor responses in murine syngeneic tumor models. We analysed the cellular and molecular features of tumor‐infiltrating lymphocytes (TILs) and changes in the TME after rhIL‐7‐hyFc treatment. Furthermore, we evaluated the antitumor efficacy of rhIL‐7‐hyFc combined with chemotherapy and checkpoint inhibitors (CPIs). Results Systemic delivery of rhIL‐7‐hyFc induced significant therapeutic benefits by expanding CD8+ T cells with enhanced tumor tropism. In tumors, rhIL‐7‐hyFc increased both tumor‐reactive and bystander CD8+ TILs, all of which displayed enhanced effector functions but less exhausted phenotypes. Moreover, rhIL‐7‐hyFc suppressed the generation of immunosuppressive myeloid cells in the bone marrow of tumor‐bearing mice, resulting in the immunostimulatory TME. Combination therapy with chemotherapy and CPIs, rhIL‐7‐hyFc elicited a strong antitumor response and even under a T lymphopenic condition by restoring CD8+ T cells. When combined with chemotherapy and CPIs, rhIL‐7‐hyFc administration enhanced antitumor response under intact andlymphopenic conditions by restoring CD8+ T cells. Conclusion Taken together, these data demonstrate that rhIL‐7‐hyFc induces antitumor responses by generating T‐cell‐inflamed TME and provide a preclinical proof of concept of immunotherapy with rhIL‐7‐hyFc to enhance therapeutic responses in the clinic.
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Affiliation(s)
- Ji-Hae Kim
- Laboratory of Cellular Immunology Department of Life Sciences Pohang University of Science and Technology Pohang Korea
| | - Young-Min Kim
- Laboratory of Cellular Immunology Department of Life Sciences Pohang University of Science and Technology Pohang Korea
| | - Donghoon Choi
- Research Institute of NeoImmuneTech, Inc. Rockville MD USA
| | - Saet-Byeol Jo
- Laboratory of Cellular Immunology Division of Integrative Biosciences and Biotechnology Pohang University of Science and Technology Pohang Korea
| | - Han Wook Park
- Laboratory of Cellular Immunology Division of Integrative Biosciences and Biotechnology Pohang University of Science and Technology Pohang Korea
| | - Sung-Wook Hong
- Laboratory of T Cell Biology Division of Integrative Biosciences and Biotechnology Pohang University of Science and Technology Pohang Korea.,Department of Microbiology and Immunology Center for Immunology University of Minnesota Medical School Minneapolis MN USA
| | - Sujeong Park
- Laboratory of Cellular Immunology Division of Integrative Biosciences and Biotechnology Pohang University of Science and Technology Pohang Korea
| | - Sora Kim
- Laboratory of Cellular Immunology Division of Integrative Biosciences and Biotechnology Pohang University of Science and Technology Pohang Korea
| | - Sookjin Moon
- Laboratory of Cellular Immunology Division of Integrative Biosciences and Biotechnology Pohang University of Science and Technology Pohang Korea
| | - Gihoon You
- Laboratory of Cellular Immunology Division of Integrative Biosciences and Biotechnology Pohang University of Science and Technology Pohang Korea
| | - Yeon-Woo Kang
- Laboratory of Cellular Immunology Division of Integrative Biosciences and Biotechnology Pohang University of Science and Technology Pohang Korea
| | - Yunji Park
- Laboratory of Cellular Immunology Division of Integrative Biosciences and Biotechnology Pohang University of Science and Technology Pohang Korea
| | - Byung Ha Lee
- Research Institute of NeoImmuneTech, Inc. Rockville MD USA
| | - Seung-Woo Lee
- Laboratory of Cellular Immunology Department of Life Sciences Pohang University of Science and Technology Pohang Korea.,Laboratory of Cellular Immunology Division of Integrative Biosciences and Biotechnology Pohang University of Science and Technology Pohang Korea
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26
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Co-Expression of IL-7 Improves NKG2D-Based CAR T Cell Therapy on Prostate Cancer by Enhancing the Expansion and Inhibiting the Apoptosis and Exhaustion. Cancers (Basel) 2020; 12:cancers12071969. [PMID: 32698361 PMCID: PMC7409228 DOI: 10.3390/cancers12071969] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 07/16/2020] [Accepted: 07/18/2020] [Indexed: 02/06/2023] Open
Abstract
Chimeric antigen receptor (CAR) T-cell therapy is a promising approach in treating solid tumors but the therapeutic effect is limited. Prostate cancer is a typical solid malignancy with invasive property and a highly immunosuppressive microenvironment. Ligands for the NKG2D receptor are primarily expressed on many cancer cells, including prostate cancer. In this study, we utilized NKG2D-based CAR to treat prostate cancer, and improved the therapeutic effect by co-expression of IL-7. The results showed that NKG2D-CAR T cells performed significantly increased cytotoxicity against prostate cancer compared to non-transduced T cells in vitro and in vivo. Moreover, the introduction of the IL-7 gene into the NKG2D-CAR backbone enhanced the production of IL-7 in an antigen-dependent manner. NKG2DIL7-CAR T cells exhibited better antitumor efficacy at 16 h and 72 h in vitro, and inhibited tumor growth in xenograft models more effectively. In mechanism, enhanced proliferation and Bcl-2 expression in CD8+ T cells, decreased apoptosis and exhaustion, and increased less-differentiated cell phenotype may be the reasons for the improved persistence and survival of NKG2DIL7-CAR T cells. In conclusion, these findings demonstrated that NKG2D is a promising option for CAR T-cell therapy on prostate cancer, and IL-7 has enhanced effect on NKG2D-based CAR T-cell immunotherapy, providing a novel adoptive cell therapy for prostate cancer either alone or in combination with IL-7.
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27
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Hrabos D, Hnizdilova T, Tomala J, Uhlik J, Kovar M. IL-7/αIL-7 mAb M25 immunocomplexes expand CD8 + T cells but paradoxically abrogate the antitumor activity of CTLA-4 and PD-1 blockage. Cytokine 2020; 133:155174. [PMID: 32599539 DOI: 10.1016/j.cyto.2020.155174] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 04/18/2020] [Accepted: 06/10/2020] [Indexed: 10/24/2022]
Abstract
Supraphysiological levels of IL-7 induce increase counts of pre-B cells, naive T cells and memory phenotype CD8+ T cells. Immunocomplexes of IL-7 and αIL-7 mAb M25 (IL-7/M25) were described as IL-7 superagonist in vivo. Thus, treatment of mice with IL-7/M25 remarkably increases the size of the T cell pool. We decided to use IL-7/M25 in order to expand the T cell population prior to the administration of αCTLA-4 and αPD-1 mAbs in tumor-bearing mice and in turn boost the immunotherapy based on a combination of CTLA-4 and PD-1 blockage. We found that just four doses of IL-7/M25 increased the absolute numbers of splenocytes approximately fivefold and significantly shifted the CD4+:CD8+ T cell ratio in favor of CD8+ T cells. There was also a substantive increase in relative counts of memory phenotype CD8+ T cells (approximately threefold) within CD8+ T cells but a significant decrease (approximately 30%) in relative counts of Treg cells within CD4+ T cells. All these data suggest that IL-7/M25 offer a suitable approach to potentiate tumor immunotherapy through CTLA-4 and PD-1 blockage. Unexpectedly, IL-7/M25 significantly abrogated the antitumor activity of αCTLA-4 plus αPD-1 mAbs in the following mouse tumor models: MC-38 and CT26 colon carcinoma and B16F10 melanoma. This paradoxical effect of IL-7/M25 on the antitumor activity of CTLA-4 and PD-1 blockage was not mediated via either increased levels of IL-10 or TGF-β in the sera or increased counts of IL-10-producing B or T cells in the spleen of mice injected with IL-7/M25. Thus, our work shows that caution should be exercised when combining two immunotherapy approaches together.
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Affiliation(s)
- Dominik Hrabos
- Laboratory of Tumor Immunology, Institute of Microbiology, Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic
| | - Tereza Hnizdilova
- Laboratory of Tumor Immunology, Institute of Microbiology, Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic
| | - Jakub Tomala
- Laboratory of Tumor Immunology, Institute of Microbiology, Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic
| | - Jiri Uhlik
- Department of Histology and Embryology, Second Faculty of Medicine, Charles University, V Uvalu 84, 150 06 Prague 5, Czech Republic
| | - Marek Kovar
- Laboratory of Tumor Immunology, Institute of Microbiology, Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic.
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28
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Lee SW, Choi D, Heo M, Shin EC, Park SH, Kim SJ, Oh YK, Lee BH, Yang SH, Sung YC, Lee H. hIL-7-hyFc, A Long-Acting IL-7, Increased Absolute Lymphocyte Count in Healthy Subjects. Clin Transl Sci 2020; 13:1161-1169. [PMID: 32339447 PMCID: PMC7719369 DOI: 10.1111/cts.12800] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 02/26/2020] [Indexed: 11/29/2022] Open
Abstract
A low lymphocyte count puts immune-compromised patients at risk of mortality. hIL-7-hyFc is a homodimeric interleukin-7 (IL-7), a potent T-cell amplifier, fused to the hybridizing IgD/IgG4 immunoglobulin domain. We performed a randomized, double-blind, placebo-controlled, dose-escalation, phase I study to assess the pharmacokinetic, pharmacodynamic, safety, tolerability, and immunogenicity profiles of hIL-7-hyFc administered s.c. and i.m. to healthy volunteers. Thirty subjects randomly received hIL-7-hyFc or its matching placebo in an 8:2 ratio at 20, 60 μg/kg s.c., or 60 μg/kg i.m. The hIL-7-hyFc was slowly absorbed and its terminal half-life was 63.26 hours after i.m. administration. The hIL-7-hyFc increased absolute lymphocyte count, mostly in T-cells, which peaked 3 weeks after administration and then lasted for several additional weeks. The hIL-7-hyFc was well-tolerated after a single s.c. and i.m. administration. Injection site reaction was the most common treatment-emergent adverse event, which resolved spontaneously without treatment. The hIL-7-hyFc can be developed into a beneficial treatment option for patients with compromised T-cell immunity. This trial was registered at www.clinicaltrials.gov as #NCT02860715.
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Affiliation(s)
- Sang Won Lee
- Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, Korea.,Department of Clinical Pharmacology and Therapeutics, Hanyang University Seoul Hospital, Seoul, Korea
| | | | - MinKyu Heo
- Genexine, Inc., Seongnam-si, Gyeonggi-do, Korea
| | - Eui-Cheol Shin
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea.,Biomedical Science and Engineering Interdisciplinary Program, Korea Advanced Institute of Science and Technology, Daejeon, Korea
| | - Su-Hyung Park
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea.,Biomedical Science and Engineering Interdisciplinary Program, Korea Advanced Institute of Science and Technology, Daejeon, Korea
| | - So Jeong Kim
- Biomedical Science and Engineering Interdisciplinary Program, Korea Advanced Institute of Science and Technology, Daejeon, Korea
| | | | | | | | | | - Howard Lee
- Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, Korea.,Department of Transdisciplinary Studies, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, Korea
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29
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Nazari A, Ahmadi Z, Hassanshahi G, Abbasifard M, Taghipour Z, Falahati-Pour SK, Khorramdelazad H. Effective Treatments for Bladder Cancer Affecting CXCL9/CXCL10/CXCL11/CXCR3 Axis: A Review. Oman Med J 2020; 35:e103. [PMID: 32181005 PMCID: PMC7064791 DOI: 10.5001/omj.2020.21] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Accepted: 01/14/2019] [Indexed: 02/06/2023] Open
Abstract
Bladder cancer (BC) originates mainly from the epithelial compartment of the bladder, which is defined as transitional cell carcinoma or urothelial cell carcinoma. About 70% of patients with BC will survive five years from diagnosis. Previous studies revealed that the immune system and its mediators, particularly chemokines, play a crucial role in modulating responses against BC. Chemokines, which serve as chemoattractants for leukocytes, are small proteins that can initiate inflammatory and anti-inflammatory immune responses and also are associated with many aspects of both regulation and progression of mentioned responses. Additionally, these immune mediators can interfere with the other tumor-related processes, including tumor proliferation, neovascularization, and metastases. Among these chemokines, CXC chemokines, including CXCL9, CXCL10, and CXCL11, are recognized as the main ligands of C-X-C motif chemokine receptor 3 (CXCR3) and contribute to related immune responses after therapeutic strategies for BC. Evidence suggests that the production of these chemokines can have two important implications. First, these mediators can trigger the accumulation of CD8+ T cells that can contribute to the elimination of the tumor. Secondly, the production of these chemokines by tumor tissue may trigger the migration and activation of immune cells including myeloid-derived suppressor cells and regulatory T cells, which act in favor of the tumor and its progress. Therefore, in this review, we describe the latest therapeutic approaches based on targeting this axis's components and subsequent immune phenomenon.
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Affiliation(s)
- Alireza Nazari
- Non Communicable Diseases Research Center, Rafsanjan University of Medical Science, Rafsanjan, Iran.,Department of Surgery, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Zahra Ahmadi
- Pistachio Safety Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Gholamhossein Hassanshahi
- Molecular Medicine Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.,Department of Immunology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Mitra Abbasifard
- Department of Internal Medicine, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Zahra Taghipour
- Department of Anatomy, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | | | - Hossein Khorramdelazad
- Molecular Medicine Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.,Department of Immunology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.,Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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30
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Romero JM, Grünwald B, Jang GH, Bavi PP, Jhaveri A, Masoomian M, Fischer SE, Zhang A, Denroche RE, Lungu IM, De Luca A, Bartlett JMS, Xu J, Li N, Dhaliwal S, Liang SB, Chadwick D, Vyas F, Bronsert P, Khokha R, McGaha TL, Notta F, Ohashi PS, Done SJ, O'Kane GM, Wilson JM, Knox JJ, Connor A, Wang Y, Zogopoulos G, Gallinger S. A Four-Chemokine Signature Is Associated with a T-cell-Inflamed Phenotype in Primary and Metastatic Pancreatic Cancer. Clin Cancer Res 2020; 26:1997-2010. [PMID: 31964786 DOI: 10.1158/1078-0432.ccr-19-2803] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 12/14/2019] [Accepted: 01/15/2020] [Indexed: 11/16/2022]
Abstract
PURPOSE The molecular drivers of antitumor immunity in pancreatic ductal adenocarcinoma (PDAC) are poorly understood, posing a major obstacle for the identification of patients potentially amenable for immune-checkpoint blockade or other novel strategies. Here, we explore the association of chemokine expression with effector T-cell infiltration in PDAC. EXPERIMENTAL DESIGN Discovery cohorts comprised 113 primary resected PDAC and 107 PDAC liver metastases. Validation cohorts comprised 182 PDAC from The Cancer Genome Atlas and 92 PDACs from the Australian International Cancer Genome Consortium. We explored associations between immune cell counts by immunohistochemistry, chemokine expression, and transcriptional hallmarks of antitumor immunity by RNA sequencing (RNA-seq), and mutational burden by whole-genome sequencing. RESULTS Among all known human chemokines, a coregulated set of four (CCL4, CCL5, CXCL9, and CXCL10) was strongly associated with CD8+ T-cell infiltration (P < 0.001). Expression of this "4-chemokine signature" positively correlated with transcriptional metrics of T-cell activation (ZAP70, ITK, and IL2RB), cytolytic activity (GZMA and PRF1), and immunosuppression (PDL1, PD1, CTLA4, TIM3, TIGIT, LAG3, FASLG, and IDO1). Furthermore, the 4-chemokine signature marked tumors with increased T-cell activation scores (MHC I presentation, T-cell/APC costimulation) and elevated expression of innate immune sensing pathways involved in T-cell priming (STING and NLRP3 inflammasome pathways, BATF3-driven dendritic cells). Importantly, expression of this 4-chemokine signature was consistently indicative of a T-cell-inflamed phenotype across primary PDAC and PDAC liver metastases. CONCLUSIONS A conserved 4-chemokine signature marks resectable and metastatic PDAC tumors with an active antitumor phenotype. This could have implications for the appropriate selection of PDAC patients in immunotherapy trials.
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Affiliation(s)
- Joan M Romero
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Barbara Grünwald
- Princess Margaret Cancer Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Gun-Ho Jang
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Prashant P Bavi
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Aaditeya Jhaveri
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Mehdi Masoomian
- Laboratory Medicine Program, University Health Network, Toronto, Ontario, Canada
| | - Sandra E Fischer
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
- Laboratory Medicine Program, University Health Network, Toronto, Ontario, Canada
| | - Amy Zhang
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Robert E Denroche
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Ilinca M Lungu
- Diagnostic Development, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Angela De Luca
- Diagnostic Development, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - John M S Bartlett
- Diagnostic Development, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Jing Xu
- Drug Development Program Biomarker Laboratory, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Niandong Li
- UHN Biobank, University Health Network, Toronto, Ontario, Canada
| | - Sharon Dhaliwal
- UHN Biobank, University Health Network, Toronto, Ontario, Canada
| | - Sheng-Ben Liang
- UHN Biobank, University Health Network, Toronto, Ontario, Canada
| | - Dianne Chadwick
- UHN Biobank, University Health Network, Toronto, Ontario, Canada
| | - Foram Vyas
- Princess Margaret Cancer Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Peter Bronsert
- Tumorbank Comprehensive Cancer Center Freiburg, Medical Center, University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Institute for Surgical Pathology, Medical Center, University of Freiburg, Faculty of Medicine, University of Freiburg, Germany
| | - Rama Khokha
- Princess Margaret Cancer Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Tracy L McGaha
- Princess Margaret Cancer Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Faiyaz Notta
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Pamela S Ohashi
- Princess Margaret Cancer Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Susan J Done
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
- Laboratory Medicine Program, University Health Network, Toronto, Ontario, Canada
| | - Grainne M O'Kane
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
- Wallace McCain Centre of Pancreatic Cancer, Department of Medical Oncology, Princess Margaret Cancer Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Julie M Wilson
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Jennifer J Knox
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
- Wallace McCain Centre of Pancreatic Cancer, Department of Medical Oncology, Princess Margaret Cancer Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Ashton Connor
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Yifan Wang
- The Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
- The Goodman Cancer Research Centre of McGill University, Montréal, Québec, Canada
| | - George Zogopoulos
- The Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
- The Goodman Cancer Research Centre of McGill University, Montréal, Québec, Canada
| | - Steven Gallinger
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada.
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
- Wallace McCain Centre of Pancreatic Cancer, Department of Medical Oncology, Princess Margaret Cancer Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
- Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
- Department of Surgery, University of Toronto, Toronto, Ontario, Canada
- Hepatobilliary Pancreatic Surgical Oncology Program, University Health Network, Toronto, Ontario, Canada
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Interleukin-7 Resensitizes Non-Small-Cell Lung Cancer to Cisplatin via Inhibition of ABCG2. Mediators Inflamm 2019; 2019:7241418. [PMID: 31915416 PMCID: PMC6931030 DOI: 10.1155/2019/7241418] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 08/09/2019] [Accepted: 10/16/2019] [Indexed: 12/14/2022] Open
Abstract
Treatment with cisplatin (DDP) is one of the standard therapies used to treat non-small-cell lung cancer (NSCLC) and fundamentally causes resistance in cancer cells, which eventually poses as an obstacle to the efficacy of chemotherapy in NSCLC. Efforts are on all over the world to explore a sensitizer of NSCLC to DDP. Here, we studied the effect of IL-7 on the resistance of NSCLC to chemotherapy. We observed that IL-7 treatment significantly enhanced DDP-induced effects in A549 and A549/DDP cells (DDP-resistant cells), including decreased cell viability and proliferation, as well as increased cell apoptosis and S arrest, indicating that IL-7 treatment resensitized DDP-resistant NSCLC cells to DDP. Subsequently, IL-7 enhanced the sensitivity of PI3K/AKT signaling and expressions of ABCG2 to DDP. By inhibiting IL-7 signaling via IL-7R knockdown or activating PI3K/AKT signaling via PI3K activation, the resensitization to DDP by IL-7 was abrogated, and the expression levels of ABCG2, p-PI3K, and p-AKT were found to be significantly higher. In vivo results also confirmed that IL-7 only in combination with DDP could remarkably induce tumor regression with reduced levels of ABCG2 in tumorous tissues. These findings indicate that IL-7, apart from its adjuvant effect, could overcome multidrug resistance of DDP to restore its chemotherapy sensitivity.
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Li R, Dubinett SM. Myeloid-derived suppressor cell-dependent inhibition of B cell responses in non-small cell lung cancer. Transl Lung Cancer Res 2019; 8:S331-S333. [PMID: 32038908 DOI: 10.21037/tlcr.2019.04.10] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Rui Li
- David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Steven M Dubinett
- David Geffen School of Medicine at UCLA, Los Angeles, California, USA
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Shi L, Xu Z, Yang Q, Huang Y, Gong Y, Wang F, Ke B. IL-7-Mediated IL-7R-JAK3/STAT5 signalling pathway contributes to chemotherapeutic sensitivity in non-small-cell lung cancer. Cell Prolif 2019; 52:e12699. [PMID: 31599032 PMCID: PMC6869130 DOI: 10.1111/cpr.12699] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 06/26/2019] [Accepted: 09/06/2019] [Indexed: 12/26/2022] Open
Abstract
Objectives The chemotherapy drug resistance is a major challenge for non‐small‐cell lung cancer (NSCLC) treatment. Combination of immunotherapy and chemotherapy has shown promise for cancer. The goal of this study was to evaluate the anti‐tumour efficacy of interleukin‐7 (IL‐7) combining cisplatin against NSCLC. Materials and Methods Cell proliferation was analysed using CCK‐8 assay, EdU proliferation assay and colony‐forming assay. Cell apoptosis was evaluated using HOECHST 33342 assay and flow cytometry. The protein expression levels were analysed by Western blot. The blocking antibody against the IL‐7 receptor and the inhibitors of STAT5 and JAK3 were used to investigate the pathway involved. A xenograft model was established to assess the anti‐tumour efficacy of IL‐7 combining cisplatin in vivo. Results Here we found IL‐7R was increased in A549/DDP cells compared with A549 cells. The block of IL‐7R reversed the inhibitory effects of IL‐7 combined with cisplatin and decreased the numbers of apoptosis cells induced by treatment of IL‐7 combined with cisplatin. The JAK3 inhibitor and STAT5 inhibitor were used to identify the pathway involved. The results showed that JAK3/STAT5 pathway was involved in enhancing role of cisplatin sensitivity of NSCLC cells by IL‐7. In vivo, cisplatin significantly inhibited tumour growth and IL‐7 combined with cisplatin achieved the best therapeutic effect. Conclusion Together, IL‐7 promoted the sensitivity of NSCLC cells to cisplatin via IL‐7R‐JAK3/STAT5 signalling pathway.
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Affiliation(s)
- Lin Shi
- Department of Traditional Chinese Medicine, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Zhaozhong Xu
- Department of Emergency, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Qiong Yang
- Department of Oncology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yuanyuan Huang
- Department of VIP Ward, Affiliated Cancer Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Yuxin Gong
- Department of Respiratory Diseases, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Fang Wang
- Department of Oncology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Bin Ke
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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34
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Zhang C, Su P, Chen W, Li Q, Dai R, Cheng Y, Yang J. Genetic polymorphisms in IL-7 and IL-7R are correlated with lung cancer risk in the Chinese Han population. Cancer Manag Res 2019; 11:5393-5401. [PMID: 31354347 PMCID: PMC6572729 DOI: 10.2147/cmar.s202839] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 04/30/2019] [Indexed: 12/14/2022] Open
Abstract
Purpose IL-7/IL-7R axis participates in the initiation and progression of lung cancer (LC). This study aimed to explore the potential influence of IL-7/IL-7R polymorphisms on LC risk. Patients and methods In total, 1,010 participants (507 LC patients and 503 healthy controls) were enrolled. Five single-nucleotide polymorphisms (SNPs) in IL-7R and one SNP in IL-7 were genotyped in included samples with Agena MassARRAY system. OR and 95% CIs were computed by logistic regression analysis after adjusting for age and gender. Stratified analyses with demographic and clinical characteristics were also performed. Finally, linkage disequilibrium (LD) analysis was conducted with the PLINK version 1.07 software . Results IL-7R rs10053847 variant was related to a decreased LC risk under the allele gene (OR =0.78, P=0.043) and additive model (OR =0.77, P=0.042). The results of stratified analysis indicated that this SNP was associated with a lower LC risk among nonsmokers (AA/GG: OR =0.09, P=0.033; AA/AG+GG: OR =0.10 P=0.037) or nondrinkers (AA/GG: OR =0.07, P=0.047; AA/AG+GG: OR =0.18 P=0.049). Moreover, carriers of IL-7R rs10213865-C allele had an increased lung adenocarcinoma risk (CA/AA: OR =1.60, P=0.011; CC+CA/AA: OR =1.62, P=0.007; CA/CA/AA: OR =1.50, P=0.007). Additionally, AGAA haplotype (rs10213865, rs969129, rs118137916 and rs10053847) increased LC risk (OR =1.30, P=0.041). Conclusion IL-7R rs10053847 was correlated with a decreased LC risk, while IL-7R rs10213865 was correlated with an elevated lung adenocarcinoma risk, implying these two SNPs might play essential roles in LC risk evaluation.
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Affiliation(s)
- Chan Zhang
- Department of Blood Transfusion, The First People's Hospital of Yunnan Province, Kunming, Yunnan 650032, People's Republic of China
| | - Pincan Su
- Laboratory of Blood Transfusion, Yunnan Kunming Blood Center, Kunming, Yunnan 650106, People's Republic of China
| | - Wanlu Chen
- Department of Blood Transfusion, The First People's Hospital of Yunnan Province, Kunming, Yunnan 650032, People's Republic of China
| | - Qi Li
- Department of Blood Transfusion, The First People's Hospital of Yunnan Province, Kunming, Yunnan 650032, People's Republic of China
| | - Run Dai
- Department of Blood Transfusion, The First People's Hospital of Yunnan Province, Kunming, Yunnan 650032, People's Republic of China
| | - YuJing Cheng
- Department of Blood Transfusion, The First People's Hospital of Yunnan Province, Kunming, Yunnan 650032, People's Republic of China
| | - Jiangcun Yang
- Department of Transfusion Medicine, Shanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, People's Republic of China
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Liu GP, Wang WW, Lu WY, Shang AQ. The mechanism of miR-16-5p protection on LPS-induced A549 cell injury by targeting CXCR3. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2019; 47:1200-1206. [PMID: 30957556 DOI: 10.1080/21691401.2019.1593998] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Guo-Pan Liu
- College of Clinical Medicine, Ningxia Medical University, Yinchuan, P.R. China
- Ningxia Institute For Human Stem Cell Research, General Hospital of Ningxia Medical University, Yinchuan, P.R. China
| | - Wei-Wei Wang
- Department of Pathology, The Sixth People’s Hospital of Yancheng City, Yancheng, P.R. China
| | - Wen-Ying Lu
- Department of Pathology, The Sixth People’s Hospital of Yancheng City, Yancheng, P.R. China
| | - An-Quan Shang
- Department of Laboratory Medicine, Tongji Hospital of Tongji University, Shanghai, P.R. China
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Wu XZ, Zhai K, Yi FS, Wang Z, Wang W, Wang Y, Pei XB, Shi XY, Xu LL, Shi HZ. IL-10 promotes malignant pleural effusion in mice by regulating T H 1- and T H 17-cell differentiation and migration. Eur J Immunol 2019; 49:653-665. [PMID: 30695099 DOI: 10.1002/eji.201847685] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2018] [Revised: 12/10/2018] [Accepted: 01/28/2019] [Indexed: 01/23/2023]
Abstract
The role of IL-10 in malignant pleural effusion (MPE) remains unknown. By using murine MPE models, we observed that an increase in pleural IL-10 was a significant predictor of increased risk of death. We noted that TH 1- and TH 17-cell content in MPE was higher in IL-10-/- mice than in WT mice, and IL-10 deficiency promoted differentiation into TH 1 but not into TH 17 cells. A higher fraction of TH 1 and TH 17 cells in the MPE of IL-10-/- mice expressed CXCR3 compared with WT mice. We also demonstrated that Lewis lung cancer and colon adenocarcinoma cells secreted large amounts of CXCL10, a ligand of CXCR3, which induced the migration of TH 1 and TH 17 cells into the MPE, and IFN-γ could promote this signaling cascade. Furthermore, intrapleural injection of mice with CXCL10-deficient tumor cells led to decreased TH 1- and TH 17-cell content in MPE, increased MPE volume, and reduced survival of MPE-bearing mice. Taken together, we demonstrated that IL-10 deficiency promoted T-cell differentiation into TH 1 cells and upregulated the CXCR3-CXCL10 signaling pathway that recruits TH 1 and TH 17 cells into MPE, ultimately resulting in decreased MPE formation and longer survival time of mice-bearing MPE.
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Affiliation(s)
- Xiu-Zhi Wu
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Kan Zhai
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Feng-Shuang Yi
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Zhen Wang
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Wen Wang
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Yao Wang
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Xue-Bin Pei
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Xin-Yu Shi
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Li-Li Xu
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Huan-Zhong Shi
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
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37
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Interleukin-7 promotes lung-resident CD14+ monocytes activity in patients with lung squamous carcinoma. Int Immunopharmacol 2019; 67:202-210. [DOI: 10.1016/j.intimp.2018.12.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 12/04/2018] [Accepted: 12/10/2018] [Indexed: 12/14/2022]
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38
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Liu QZ, Ma WT, Yang JB, Zhao ZB, Yan K, Yao Y, Li L, Miao Q, Gershwin ME, Lian ZX. The CXC Chemokine Receptor 3 Inhibits Autoimmune Cholangitis via CD8 + T Cells but Promotes Colitis via CD4 + T Cells. Front Immunol 2018; 9:1090. [PMID: 29868034 PMCID: PMC5966573 DOI: 10.3389/fimmu.2018.01090] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 05/01/2018] [Indexed: 11/13/2022] Open
Abstract
CXC chemokine receptor 3 (CXCR3), a receptor for the C-X-C motif chemokines (CXCL) CXCL9, CXCL10, and CXCL11, which not only plays a role in chemotaxis but also regulates differentiation and development of memory and effector T cell populations. Herein, we explored the function of CXCR3 in the modulation of different organ-specific autoimmune diseases in interleukin (IL)-2 receptor deficiency (CD25-/-) mice, a murine model for both cholangitis and colitis. We observed higher levels of CXCL9 and CXCL10 in the liver and colon and higher expression of CXCR3 on T cells of the CD25-/- mice compared with control animals. Deletion of CXCR3 resulted in enhanced liver inflammation but alleviated colitis. These changes in liver and colon pathology after CXCR3 deletion were associated with increased numbers of hepatic CD4+ and CD8+ T cells, in particular effector memory CD8+ T cells, as well as decreased T cells in mesenteric lymph nodes and colon lamina propria. In addition, increased interferon-γ response and decreased IL-17A response was observed in both liver and colon after CXCR3 deletion. CXCR3 modulated the functions of T cells involved in different autoimmune diseases, whereas the consequence of such modulation was organ-specific regarding to their effects on disease severity. Our findings emphasize the importance of extra caution in immunotherapy for organ-specific autoimmune diseases, as therapeutic interventions aiming at a target such as CXCR3 for certain disease could result in adverse effects in an unrelated organ.
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Affiliation(s)
- Qing-Zhi Liu
- Liver Immunology Laboratory, School of Life Sciences, University of Science and Technology of China, Hefei, China.,Chronic Disease Laboratory, School of Medicine, Institutes for Life Sciences, South China University of Technology, Guangzhou, China
| | - Wen-Tao Ma
- Liver Immunology Laboratory, School of Life Sciences, University of Science and Technology of China, Hefei, China.,College of Veterinary Medicine, Northwest Agriculture and Forestry University, Yangling, China
| | - Jing-Bo Yang
- Liver Immunology Laboratory, School of Life Sciences, University of Science and Technology of China, Hefei, China
| | - Zhi-Bin Zhao
- Liver Immunology Laboratory, School of Life Sciences, University of Science and Technology of China, Hefei, China.,Chronic Disease Laboratory, School of Medicine, Institutes for Life Sciences, South China University of Technology, Guangzhou, China
| | - Kai Yan
- Liver Immunology Laboratory, School of Life Sciences, University of Science and Technology of China, Hefei, China.,Chronic Disease Laboratory, School of Medicine, Institutes for Life Sciences, South China University of Technology, Guangzhou, China
| | - Yuan Yao
- Liver Immunology Laboratory, School of Life Sciences, University of Science and Technology of China, Hefei, China.,Chronic Disease Laboratory, School of Medicine, Institutes for Life Sciences, South China University of Technology, Guangzhou, China
| | - Liang Li
- Liver Immunology Laboratory, School of Life Sciences, University of Science and Technology of China, Hefei, China.,Chronic Disease Laboratory, School of Medicine, Institutes for Life Sciences, South China University of Technology, Guangzhou, China
| | - Qi Miao
- Department of Gastroenterology and Hepatology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - M Eric Gershwin
- Division of Rheumatology, Allergy and Clinical Immunology, School of Medicine, University of California, Davis, Davis, CA, United States
| | - Zhe-Xiong Lian
- Liver Immunology Laboratory, School of Life Sciences, University of Science and Technology of China, Hefei, China.,Chronic Disease Laboratory, School of Medicine, Institutes for Life Sciences, South China University of Technology, Guangzhou, China
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Wrangle JM, Patterson A, Johnson CB, Neitzke DJ, Mehrotra S, Denlinger CE, Paulos CM, Li Z, Cole DJ, Rubinstein MP. IL-2 and Beyond in Cancer Immunotherapy. J Interferon Cytokine Res 2018; 38:45-68. [PMID: 29443657 PMCID: PMC5815463 DOI: 10.1089/jir.2017.0101] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 11/26/2017] [Indexed: 12/11/2022] Open
Abstract
The development of the T- and natural killer (NK) cell growth factor IL-2 has been a sentinel force ushering in the era of immunotherapy in cancer. With the advent of clinical grade recombinant IL-2 in the mid-1980s, oncologists could for the first time directly manipulate lymphocyte populations with systemic therapy. By itself, recombinant IL-2 can induce clinical responses in up to 15% of patients with metastatic cancer or renal cell carcinoma. When administered with adoptively transferred tumor-reactive lymphocytes, IL-2 promotes T cell engraftment and response rates of up to 50% in metastatic melanoma patients. Importantly, these IL-2-driven responses can yield complete and durable responses in a subset of patients. However, the use of IL-2 is limited by toxicity and concern of the expansion of T regulatory cells. To overcome these limitations and improve response rates, other T cell growth factors, including IL-15 and modified forms of IL-2, are in clinical development. Administering T cell growth factors in combination with other agents, such as immune checkpoint pathway inhibitors, may also improve efficacy. In this study, we review the development of T- and NK cell growth factors and highlight current combinatorial approaches based on these reagents.
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Affiliation(s)
- John M. Wrangle
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Alicia Patterson
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - C. Bryce Johnson
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Daniel J. Neitzke
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Shikhar Mehrotra
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Chadrick E. Denlinger
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Chrystal M. Paulos
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
| | - Zihai Li
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
| | - David J. Cole
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Mark P. Rubinstein
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
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40
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Migrating into the Tumor: a Roadmap for T Cells. Trends Cancer 2017; 3:797-808. [DOI: 10.1016/j.trecan.2017.09.006] [Citation(s) in RCA: 155] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 09/20/2017] [Accepted: 09/21/2017] [Indexed: 12/17/2022]
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41
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Frost HR, Amos CI. Gene set selection via LASSO penalized regression (SLPR). Nucleic Acids Res 2017; 45:e114. [PMID: 28472344 PMCID: PMC5499546 DOI: 10.1093/nar/gkx291] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 04/12/2017] [Indexed: 01/23/2023] Open
Abstract
Gene set testing is an important bioinformatics technique that addresses the challenges of power, interpretation and replication. To better support the analysis of large and highly overlapping gene set collections, researchers have recently developed a number of multiset methods that jointly evaluate all gene sets in a collection to identify a parsimonious group of functionally independent sets. Unfortunately, current multiset methods all use binary indicators for gene and gene set activity and assume that a gene is active if any containing gene set is active. This simplistic model limits performance on many types of genomic data. To address this limitation, we developed gene set Selection via LASSO Penalized Regression (SLPR), a novel mapping of multiset gene set testing to penalized multiple linear regression. The SLPR method assumes a linear relationship between continuous measures of gene activity and the activity of all gene sets in the collection. As we demonstrate via simulation studies and the analysis of TCGA data using MSigDB gene sets, the SLPR method outperforms existing multiset methods when the true biological process is well approximated by continuous activity measures and a linear association between genes and gene sets.
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Affiliation(s)
- H Robert Frost
- Department of Biomedical Data Science, Geisel School of Medicine, Dartmouth College, Hanover, NH 03755, USA
| | - Christopher I Amos
- Department of Biomedical Data Science, Geisel School of Medicine, Dartmouth College, Hanover, NH 03755, USA
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42
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Ding Q, Lu P, Xia Y, Ding S, Fan Y, Li X, Han P, Liu J, Tian D, Liu M. CXCL9: evidence and contradictions for its role in tumor progression. Cancer Med 2016; 5:3246-3259. [PMID: 27726306 PMCID: PMC5119981 DOI: 10.1002/cam4.934] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Revised: 08/06/2016] [Accepted: 09/06/2016] [Indexed: 01/01/2023] Open
Abstract
Chemokines are a group of low molecular weight peptides. Their major function is the recruitment of leukocytes to inflammation sites, but they also play a key role in tumor growth, angiogenesis, and metastasis. In the last few years, accumulated experimental evidence supports that monokine induced by interferon (IFN)‐gamma (CXCL9), a member of CXC chemokine family and known to attract CXCR3‐ (CXCR3‐A and CXCR3‐B) T lymphocytes, is involved in the pathogenesis of a variety of physiologic diseases during their initiation and their maintenance. This review for the first time presents the most comprehensive summary for the role of CXCL9 in different types of tumors, and demonstrates its contradictory role of CXCL9 in tumor progression. Altogether, this is a useful resource for researchers investigating therapeutic opportunities for cancer.
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Affiliation(s)
- Qiang Ding
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Panpan Lu
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Yujia Xia
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Shuping Ding
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Yuhui Fan
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Xin Li
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Ping Han
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Jingmei Liu
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Dean Tian
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
| | - Mei Liu
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, China
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Shi LZ, Fu T, Guan B, Chen J, Blando JM, Allison JP, Xiong L, Subudhi SK, Gao J, Sharma P. Interdependent IL-7 and IFN-γ signalling in T-cell controls tumour eradication by combined α-CTLA-4+α-PD-1 therapy. Nat Commun 2016; 7:12335. [PMID: 27498556 PMCID: PMC4979067 DOI: 10.1038/ncomms12335] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Accepted: 06/23/2016] [Indexed: 01/09/2023] Open
Abstract
Combination therapy with α-CTLA-4 and α-PD-1 has shown significant clinical responses in different types of cancer. However, the underlying mechanisms remain elusive. Here, combining detailed analysis of human tumour samples with preclinical tumour models, we report that concomitant blockade of CTLA-4 and PD-1 improves anti-tumour immune responses and synergistically eradicates tumour. Mechanistically, combination therapy relies on the interdependence between IL-7 and IFN-γ signalling in T cells, as lack of either pathway abrogates the immune-boosting and therapeutic effects of combination therapy. Combination treatment increases IL-7Rα expression on tumour-infiltrating T cells in an IFN-γ/IFN-γR signalling-dependent manner, which may serve as a potential biomarker for clinical trials with immune checkpoint blockade. Our data suggest that combining immune checkpoint blockade with IL-7 signalling could be an effective modality to improve immunotherapeutic efficacy. Taken together, we conclude that combination therapy potently reverses immunosuppression and eradicates tumours via an intricate interplay between IFN-γ/IFN-γR and IL-7/IL-7R pathways.
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Affiliation(s)
- Lewis Zhichang Shi
- Department of Genitourinary Medical Oncology, MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Tihui Fu
- Department of Genitourinary Medical Oncology, MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Baoxiang Guan
- Department of Genitourinary Medical Oncology, MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Jianfeng Chen
- Department of Genitourinary Medical Oncology, MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Jorge M Blando
- The Immunotherapy Platform, MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - James P Allison
- The Immunotherapy Platform, MD Anderson Cancer Center, Houston, Texas 77030, USA
- Department of Immunology, MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Liangwen Xiong
- Department of Genitourinary Medical Oncology, MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Sumit K Subudhi
- Department of Genitourinary Medical Oncology, MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Jianjun Gao
- Department of Genitourinary Medical Oncology, MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Padmanee Sharma
- Department of Genitourinary Medical Oncology, MD Anderson Cancer Center, Houston, Texas 77030, USA
- The Immunotherapy Platform, MD Anderson Cancer Center, Houston, Texas 77030, USA
- Department of Immunology, MD Anderson Cancer Center, Houston, Texas 77030, USA
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44
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Song Y, Liu Y, Hu R, Su M, Rood D, Lai L. In Vivo Antitumor Activity of a Recombinant IL7/IL15 Hybrid Cytokine in Mice. Mol Cancer Ther 2016; 15:2413-2421. [PMID: 27474151 DOI: 10.1158/1535-7163.mct-16-0111] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Accepted: 07/15/2016] [Indexed: 11/16/2022]
Abstract
Both IL7 and IL15 have become important candidate immunomodulators for cancer treatment. However, IL7 or IL15 used alone suffers from shortcomings, such as short serum half-life and limited antitumor effect. We have cloned and expressed a recombinant (r) IL7/IL15 fusion protein in which IL7 and IL15 are linked by a flexible linker. We then compared the antitumor effect of rIL7/IL15 with the individual factors rIL7 and/or rIL15. We show here that rIL7/IL15 has a higher antitumor activity than the combination of the individual factors in both murine B16F10 melanoma and CT-26 colon cancer models. This was associated with a significant increase in tumor infiltration of T cells, DCs, and NK cells and a decrease in regulatory T cells (Tregs). In addition, rIL7/IL15-treated DCs had higher expression of costimulatory molecules CD80 and CD86. The higher antitumor activity of rIL7/IL15 is likely due to its longer in vivo half-life and different effects on immune cells. Our results suggest that rIL7/IL15 may offer a new tool to enhance antitumor immunity and treat cancer. Mol Cancer Ther; 15(10); 2413-21. ©2016 AACR.
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Affiliation(s)
- Yinhong Song
- Department of Allied Health Sciences, University of Connecticut, Storrs, Connecticut. Medical College, Three Gorges University, Yichang, China
| | - Yalan Liu
- Department of Allied Health Sciences, University of Connecticut, Storrs, Connecticut
| | - Rong Hu
- Department of Allied Health Sciences, University of Connecticut, Storrs, Connecticut
| | - Min Su
- Department of Allied Health Sciences, University of Connecticut, Storrs, Connecticut
| | - Debra Rood
- Department of Allied Health Sciences, University of Connecticut, Storrs, Connecticut
| | - Laijun Lai
- Department of Allied Health Sciences, University of Connecticut, Storrs, Connecticut. University of Connecticut Stem Cell Institute, University of Connecticut, Storrs, Connecticut.
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45
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Deiser K, Stoycheva D, Bank U, Blankenstein T, Schüler T. Interleukin-7 Modulates Anti-Tumor CD8+ T Cell Responses via Its Action on Host Cells. PLoS One 2016; 11:e0159690. [PMID: 27447484 PMCID: PMC4957759 DOI: 10.1371/journal.pone.0159690] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Accepted: 07/05/2016] [Indexed: 01/04/2023] Open
Abstract
The adoptive transfer of antigen-specific CD8+ T cells is a promising approach for the treatment of chronic viral and malignant diseases. In order to improve adoptive T cell therapy (ATT) of cancer, recent strategies aim at the antibody-based blockade of immunosuppressive signaling pathways in CD8+ T cells. Alternatively, adjuvant effects of immunostimulatory cytokines might be exploited to improve therapeutic CD8+ T cell responses. For example, Interleukin-7 (IL-7) is a potent growth, activation and survival factor for CD8+ T cells that can be used to improve virus- and tumor-specific CD8+ T cell responses. Although direct IL-7 effects on CD8+ T cells were studied extensively in numerous models, the contribution of IL-7 receptor-competent (IL-7R+) host cells remained unclear. In the current study we provide evidence that CD8+ T cell-mediated tumor rejection in response to recombinant IL-7 (rIL-7) therapy is strictly dependent on IL-7R+ host cells. On the contrary, CD8+ T cell expansion is independent of host IL-7R expression. If, however, rIL-7 therapy and peptide vaccination are combined, host IL-7R signaling is crucial for CD8+ T cell expansion. Unexpectedly, maximum CD8+ T cell expansion relies mainly on IL-7R signaling in non-hematopoietic host cells, similar to the massive accumulation of dendritic cells and granulocytes. In summary, we provide evidence that IL-7R+ host cells are major targets of rIL-7 that modulate therapeutic CD8+ T cell responses and the outcome of rIL-7-assisted ATT. This knowledge may have important implications for the design and optimization of clinical ATT protocols.
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Affiliation(s)
- Katrin Deiser
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University, 39120 Magdeburg, Germany
- Institute of Immunology, Charité-Universitaetsmedizin Berlin, Campus Benjamin Franklin, 12200 Berlin, Germany
| | - Diana Stoycheva
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University, 39120 Magdeburg, Germany
- Institute of Immunology, Charité-Universitaetsmedizin Berlin, Campus Benjamin Franklin, 12200 Berlin, Germany
| | - Ute Bank
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University, 39120 Magdeburg, Germany
| | - Thomas Blankenstein
- Institute of Immunology, Charité-Universitaetsmedizin Berlin, Campus Benjamin Franklin, 12200 Berlin, Germany
- Max-Delbrück-Center for Molecular Medicine, 13125 Berlin, Germany
| | - Thomas Schüler
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University, 39120 Magdeburg, Germany
- Institute of Immunology, Charité-Universitaetsmedizin Berlin, Campus Benjamin Franklin, 12200 Berlin, Germany
- * E-mail:
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46
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Qian Y, Ding T, Wei L, Cao S, Yang L. Shorter telomere length of T-cells in peripheral blood of patients with lung cancer. Onco Targets Ther 2016; 9:2675-82. [PMID: 27226730 PMCID: PMC4863689 DOI: 10.2147/ott.s98488] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
PURPOSE Telomere shortening occurs in tumor tissues and peripheral blood lymphocytes of many common human malignancies, including lung cancer, but its variation in T-cells has never been investigated. Thus, the aim of this study was to assess telomere length in T-cells and its correlation with the clinical characteristics of patients with lung cancer. PATIENTS AND METHODS A total of 40 patients with lung cancer but without prior cancer history and 25 healthy individuals were selected. T-cells were isolated and their telomere lengths were measured using quantitative real-time polymerase chain reaction methods. RESULTS Telomere length in T-cells was significantly shorter in patients with lung cancer than in controls (P<0.001). Shorter telomere length was significantly associated with increased clinical stage (P=0.008) and distant metastasis (P=0.028). Naïve T-cells from patients with lung cancer had significantly decreased telomere length when compared with those from controls (P=0.012). CONCLUSION The shortened telomere length in T-cells occurred in naïve T-cells and might be related to lung cancer progression.
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Affiliation(s)
- Yaqin Qian
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, Tianjin Medical University, Tianjin, People's Republic of China; National Clinical Research Center of Cancer, Tianjin, People's Republic of China; Tianjin Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, People's Republic of China
| | - Tingting Ding
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, Tianjin Medical University, Tianjin, People's Republic of China; National Clinical Research Center of Cancer, Tianjin, People's Republic of China; Tianjin Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, People's Republic of China
| | - Lijuan Wei
- National Clinical Research Center of Cancer, Tianjin, People's Republic of China
| | - Shui Cao
- National Clinical Research Center of Cancer, Tianjin, People's Republic of China; Tianjin Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, People's Republic of China; Department of Biotherapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin Medical University, Tianjin, People's Republic of China
| | - Lili Yang
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, Tianjin Medical University, Tianjin, People's Republic of China; National Clinical Research Center of Cancer, Tianjin, People's Republic of China; Tianjin Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, People's Republic of China
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Suzuki T, Kishimoto H, Abe R. Requirement of interleukin 7 signaling for anti-tumor immune response under lymphopenic conditions in a murine lung carcinoma model. Cancer Immunol Immunother 2016; 65:341-54. [PMID: 26880265 PMCID: PMC11028809 DOI: 10.1007/s00262-016-1808-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Accepted: 02/03/2016] [Indexed: 12/13/2022]
Abstract
Induction of lymphopenia before adoptive transfer of T cells was followed by lymphopenia-induced proliferation (LIP) and generated a potent anti-tumor immune response in rodents and in a clinical setting. Previously, we reported that CD28 signaling is essential for the differentiation of functional effector cytotoxic T lymphocytes (CTLs) under lymphopenic conditions and sequential LIP of T cells. In this study, to clarify the correlation between LIP and the anti-tumor effect, LIP was inhibited with interleukin 7 (IL7) receptor blockade at various stages, and the anti-tumor effect then assessed. We confirmed that IL7 signaling at the start of LIP is crucial for the anti-tumor immune response. In contrast, continuous IL7 signaling was not required for tumor regression, although LIP of naïve CD8+ T cells is usually regulated by IL7. The expansion and migration of CTLs in lymphopenic hosts depend on IL7 signaling during the induction phase. Here, we propose that IL7 signaling and subsequent LIP of T cells have distinct roles in the induction of T cell immunity during lymphopenia.
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Affiliation(s)
- Toshihiro Suzuki
- Division of Immunobiology, Research Institute for Biomedical Sciences, Tokyo University of Science, 2669 Yamazaki, Noda, Chiba, 278-0022, Japan
| | - Hidehiro Kishimoto
- Parasitology and Immunopathoetiology, Graduate School of Medicine, University of the Ryukyus, Nishihara, Japan
| | - Ryo Abe
- Division of Immunobiology, Research Institute for Biomedical Sciences, Tokyo University of Science, 2669 Yamazaki, Noda, Chiba, 278-0022, Japan.
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Simpson RJ, Kunz H, Agha N, Graff R. Exercise and the Regulation of Immune Functions. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2015; 135:355-80. [PMID: 26477922 DOI: 10.1016/bs.pmbts.2015.08.001] [Citation(s) in RCA: 293] [Impact Index Per Article: 32.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Exercise has a profound effect on the normal functioning of the immune system. It is generally accepted that prolonged periods of intensive exercise training can depress immunity, while regular moderate intensity exercise is beneficial. Single bouts of exercise evoke a striking leukocytosis and a redistribution of effector cells between the blood compartment and the lymphoid and peripheral tissues, a response that is mediated by increased hemodynamics and the release of catecholamines and glucocorticoids following the activation of the sympathetic nervous system and the hypothalamic-pituitary-adrenal axis. Single bouts of prolonged exercise may impair T-cell, NK-cell, and neutrophil function, alter the Type I and Type II cytokine balance, and blunt immune responses to primary and recall antigens in vivo. Elite athletes frequently report symptoms associated with upper respiratory tract infections (URTI) during periods of heavy training and competition that may be due to alterations in mucosal immunity, particularly reductions in secretory immunoglobulin A. In contrast, single bouts of moderate intensity exercise are "immuno-enhancing" and have been used to effectively increase vaccine responses in "at-risk" patients. Improvements in immunity due to regular exercise of moderate intensity may be due to reductions in inflammation, maintenance of thymic mass, alterations in the composition of "older" and "younger" immune cells, enhanced immunosurveillance, and/or the amelioration of psychological stress. Indeed, exercise is a powerful behavioral intervention that has the potential to improve immune and health outcomes in the elderly, the obese, and patients living with cancer and chronic viral infections such as HIV.
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Affiliation(s)
- Richard J Simpson
- Department of Health and Human Performance, Laboratory of Integrated Physiology, University of Houston, Houston, Texas, USA.
| | - Hawley Kunz
- Department of Health and Human Performance, Laboratory of Integrated Physiology, University of Houston, Houston, Texas, USA
| | - Nadia Agha
- Department of Health and Human Performance, Laboratory of Integrated Physiology, University of Houston, Houston, Texas, USA
| | - Rachel Graff
- Department of Health and Human Performance, Laboratory of Integrated Physiology, University of Houston, Houston, Texas, USA
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Abstract
Chemokines are chemotactic cytokines that control the migration of cells between tissues and the positioning and interactions of cells within tissue. The chemokine superfamily consists of approximately 50 endogenous chemokine ligands and 20 G protein-coupled seven-transmembrane spanning signaling receptors. Chemokines mediate the host response to cancer by directing the trafficking of leukocytes into the tumor microenvironment. This migratory response is complex and consists of diverse leukocyte subsets with both antitumor and protumor activities. Although chemokines were initially appreciated as important mediators of immune cell migration, we now know that they also play important roles in the biology of nonimmune cells important for tumor growth and progression. Chemokines can directly modulate the growth of tumors by inducing the proliferation of cancer cells and preventing their apoptosis. They also direct tumor cell movement required for metastasis. Chemokines can also indirectly modulate tumor growth through their effects on tumor stromal cells and by inducing the release of growth and angiogenic factors from cells in the tumor microenvironment. In this Masters of Immunology primer, we focus on recent advances in understanding the complex nature of the chemokine system in tumor biology with a focus on how the chemokine system could be used to augment cancer immunotherapeutic strategies to elicit a more robust and long-lasting host antitumor immune response.
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Affiliation(s)
- Melvyn T Chow
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Andrew D Luster
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.
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50
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Mechanism of Action of IL-7 and Its Potential Applications and Limitations in Cancer Immunotherapy. Int J Mol Sci 2015; 16:10267-80. [PMID: 25955647 PMCID: PMC4463645 DOI: 10.3390/ijms160510267] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Revised: 04/16/2015] [Accepted: 04/29/2015] [Indexed: 01/10/2023] Open
Abstract
Interleukin-7 (IL-7) is a non-hematopoietic cell-derived cytokine with a central role in the adaptive immune system. It promotes lymphocyte development in the thymus and maintains survival of naive and memory T cell homeostasis in the periphery. Moreover, it is important for the organogenesis of lymph nodes (LN) and for the maintenance of activated T cells recruited into the secondary lymphoid organs (SLOs). The immune capacity of cancer patients is suppressed that is characterized by lower T cell counts, less effector immune cells infiltration, higher levels of exhausted effector cells and higher levels of immunosuppressive cytokines, such as transforming growth factor β (TGF-β). Recombinant human IL-7 (rhIL-7) is an ideal solution for the immune reconstitution of lymphopenia patients by promoting peripheral T cell expansion. Furthermore, it can antagonize the immunosuppressive network. In animal models, IL-7 has been proven to prolong the survival of tumor-bearing hosts. In this review, we will focus on the mechanism of action and applications of IL-7 in cancer immunotherapy and the potential restrictions for its usage.
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