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Staal FJ, Avila-Moreno F. Driving CAR-T cells toward solid lung tumors. MOLECULAR THERAPY. ONCOLOGY 2024; 32:200764. [PMID: 38596284 PMCID: PMC10869736 DOI: 10.1016/j.omton.2024.200764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Affiliation(s)
- Frank J.T. Staal
- Laboratory for Stem Cell Biology and Lymphocyte Development, Department of Immunology, L3-35, Department of Pediatrics, Leiden University Medical School (LUMC), Leiden, the Netherlands
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2
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Chen T, Deng J, Zhang Y, Liu B, Liu R, Zhu Y, Zhou M, Lin Y, Xia B, Lin K, Ma X, Zhang H. The construction of modular universal chimeric antigen receptor T (MU-CAR-T) cells by covalent linkage of allogeneic T cells and various antibody fragments. Mol Cancer 2024; 23:53. [PMID: 38468291 PMCID: PMC10926606 DOI: 10.1186/s12943-024-01938-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 01/09/2024] [Indexed: 03/13/2024] Open
Abstract
BACKGROUND Chimeric antigen receptor-T (CAR-T) cells therapy is one of the novel immunotherapeutic approaches with significant clinical success. However, their applications are limited because of long preparation time, high cost, and interpersonal variations. Although the manufacture of universal CAR-T (U-CAR-T) cells have significantly improved, they are still not a stable and unified cell bank. METHODS Here, we tried to further improve the convenience and flexibility of U-CAR-T cells by constructing novel modular universal CAR-T (MU-CAR-T) cells. For this purpose, we initially screened healthy donors and cultured their T cells to obtain a higher proportion of stem cell-like memory T (TSCM) cells, which exhibit robust self-renewal capacity, sustainability and cytotoxicity. To reduce the alloreactivity, the T cells were further edited by double knockout of the T cell receptor (TCR) and class I human leukocyte antigen (HLA-I) genes utilizing the CRISPR/Cas9 system. The well-growing and genetically stable universal cells carrying the CAR-moiety were then stored as a stable and unified cell bank. Subsequently, the SDcatcher/GVoptiTag system, which generate an isopeptide bond, was used to covalently connect the purified scFvs of antibody targeting different antigens to the recovered CAR-T cells. RESULTS The resulting CAR-T cells can perform different functions by specifically targeting various cells, such as the eradication of human immunodeficiency virus type 1 (HIV-1)-latenly-infected cells or elimination of T lymphoma cells, with similar efficiency as the traditional CAR-T cells did. CONCLUSION Taken together, our strategy allows the production of CAR-T cells more modularization, and makes the quality control and pharmaceutic manufacture of CAR-T cells more feasible.
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Affiliation(s)
- Tao Chen
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
- Guangzhou National Laboratory, Guangzhou International Bio-Island, Guangzhou, 510005, China
| | - Jieyi Deng
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Yongli Zhang
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Bingfeng Liu
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Ruxin Liu
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Yiqiang Zhu
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
- Guangzhou National Laboratory, Guangzhou International Bio-Island, Guangzhou, 510005, China
| | - Mo Zhou
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Yingtong Lin
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Baijin Xia
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Keming Lin
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xiancai Ma
- Guangzhou National Laboratory, Guangzhou International Bio-Island, Guangzhou, 510005, China.
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 511400, China.
| | - Hui Zhang
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China.
- Guangzhou National Laboratory, Guangzhou International Bio-Island, Guangzhou, 510005, China.
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Huang L, Li H, Zhang C, Chen Q, Liu Z, Zhang J, Luo P, Wei T. Unlocking the potential of T-cell metabolism reprogramming: Advancing single-cell approaches for precision immunotherapy in tumour immunity. Clin Transl Med 2024; 14:e1620. [PMID: 38468489 PMCID: PMC10928360 DOI: 10.1002/ctm2.1620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 02/20/2024] [Accepted: 02/22/2024] [Indexed: 03/13/2024] Open
Abstract
As single-cell RNA sequencing enables the detailed clustering of T-cell subpopulations and facilitates the analysis of T-cell metabolic states and metabolite dynamics, it has gained prominence as the preferred tool for understanding heterogeneous cellular metabolism. Furthermore, the synergistic or inhibitory effects of various metabolic pathways within T cells in the tumour microenvironment are coordinated, and increased activity of specific metabolic pathways generally corresponds to increased functional activity, leading to diverse T-cell behaviours related to the effects of tumour immune cells, which shows the potential of tumour-specific T cells to induce persistent immune responses. A holistic understanding of how metabolic heterogeneity governs the immune function of specific T-cell subsets is key to obtaining field-level insights into immunometabolism. Therefore, exploring the mechanisms underlying the interplay between T-cell metabolism and immune functions will pave the way for precise immunotherapy approaches in the future, which will empower us to explore new methods for combating tumours with enhanced efficacy.
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Affiliation(s)
- Lihaoyun Huang
- Department of OncologyZhujiang HospitalSouthern Medical UniversityGuangzhouChina
- The First Clinical Medical SchoolSouthern Medical UniversityGuangzhouChina
| | - Haitao Li
- Department of OncologyTaishan People's HospitalGuangzhouChina
| | - Cangang Zhang
- Department of Pathogenic Microbiology and ImmunologySchool of Basic Medical SciencesXi'an Jiaotong UniversityXi'anShaanxiChina
| | - Quan Chen
- Department of NeurosurgeryXiangya HospitalCentral South UniversityChangshaHunanChina
| | - Zaoqu Liu
- Key Laboratory of ProteomicsBeijing Proteome Research CenterNational Center for Protein Sciences (Beijing)Beijing Institute of LifeomicsBeijingChina
- Key Laboratory of Medical Molecular BiologyChinese Academy of Medical SciencesDepartment of PathophysiologyPeking Union Medical CollegeInstitute of Basic Medical SciencesBeijingChina
| | - Jian Zhang
- Department of OncologyZhujiang HospitalSouthern Medical UniversityGuangzhouChina
- The First Clinical Medical SchoolSouthern Medical UniversityGuangzhouChina
| | - Peng Luo
- Department of OncologyZhujiang HospitalSouthern Medical UniversityGuangzhouChina
- The First Clinical Medical SchoolSouthern Medical UniversityGuangzhouChina
| | - Ting Wei
- Department of OncologyZhujiang HospitalSouthern Medical UniversityGuangzhouChina
- The First Clinical Medical SchoolSouthern Medical UniversityGuangzhouChina
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4
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Filosto S, Vardhanabhuti S, Canales MA, Poiré X, Lekakis LJ, de Vos S, Portell CA, Wang Z, To C, Schupp M, Poddar S, Trinh T, Warren CM, Aguilar EG, Budka J, Cheng P, Chou J, Bot A, Shen RR, Westin JR. Product Attributes of CAR T-cell Therapy Differentially Associate with Efficacy and Toxicity in Second-line Large B-cell Lymphoma (ZUMA-7). Blood Cancer Discov 2024; 5:21-33. [PMID: 37983485 PMCID: PMC10772511 DOI: 10.1158/2643-3230.bcd-23-0112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 10/05/2023] [Accepted: 11/17/2023] [Indexed: 11/22/2023] Open
Abstract
Treatment resistance and toxicities remain a risk following chimeric antigen receptor (CAR) T-cell therapy. Herein, we report pharmacokinetics, pharmacodynamics, and product and apheresis attributes associated with outcomes among patients with relapsed/refractory large B-cell lymphoma (LBCL) treated with axicabtagene ciloleucel (axi-cel) in ZUMA-7. Axi-cel peak expansion associated with clinical response and toxicity, but not response durability. In apheresis material and final product, a naive T-cell phenotype (CCR7+CD45RA+) expressing CD27 and CD28 associated with improved response durability, event-free survival, progression-free survival, and a lower number of prior therapies. This phenotype was not associated with high-grade cytokine release syndrome (CRS) or neurologic events. Higher baseline and postinfusion levels of serum inflammatory markers associated with differentiated/effector products, reduced efficacy, and increased CRS and neurologic events, thus suggesting targets for intervention. These data support better outcomes with earlier CAR T-cell intervention and may improve patient care by informing on predictive biomarkers and development of next-generation products. SIGNIFICANCE In ZUMA-7, the largest randomized CAR T-cell trial in LBCL, a naive T-cell product phenotype (CCR7+CD45RA+) expressing CD27 and CD28 associated with improved efficacy, decreased toxicity, and a lower number of prior therapies, supporting earlier intervention with CAR T-cell therapy. In addition, targets for improvement of therapeutic index are proposed. This article is featured in Selected Articles from This Issue, p. 4.
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Affiliation(s)
| | | | | | - Xavier Poiré
- Cliniques Universitaires St-Luc, Brussels, Belgium
| | - Lazaros J. Lekakis
- Sylvester Comprehensive Cancer Center, University of Miami Health System, Miami, Florida
| | - Sven de Vos
- David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | | | - Zixing Wang
- Kite, a Gilead Company, Santa Monica, California
| | - Christina To
- Kite, a Gilead Company, Santa Monica, California
| | - Marco Schupp
- Kite, a Gilead Company, Santa Monica, California
| | | | - Tan Trinh
- Kite, a Gilead Company, Santa Monica, California
| | | | | | - Justin Budka
- Kite, a Gilead Company, Santa Monica, California
| | - Paul Cheng
- Kite, a Gilead Company, Santa Monica, California
| | - Justin Chou
- Kite, a Gilead Company, Santa Monica, California
| | - Adrian Bot
- Kite, a Gilead Company, Santa Monica, California
| | | | - Jason R. Westin
- The University of Texas MD Anderson Cancer Center, Houston, Texas
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5
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Zhao Y, Chen J, Andreatta M, Feng B, Xie YQ, Wenes M, Wang Y, Gao M, Hu X, Romero P, Carmona S, Sun J, Guo Y, Tang L. IL-10-expressing CAR T cells resist dysfunction and mediate durable clearance of solid tumors and metastases. Nat Biotechnol 2024:10.1038/s41587-023-02060-8. [PMID: 38168996 DOI: 10.1038/s41587-023-02060-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 11/08/2023] [Indexed: 01/05/2024]
Abstract
The success of chimeric antigen receptor (CAR) T cell therapy in treating several hematopoietic malignancies has been difficult to replicate in solid tumors, in part because of T cell exhaustion and eventually dysfunction. To counter T cell dysfunction in the tumor microenvironment, we metabolically armored CAR T cells by engineering them to secrete interleukin-10 (IL-10). We show that IL-10 CAR T cells preserve intact mitochondrial structure and function in the tumor microenvironment and increase oxidative phosphorylation in a mitochondrial pyruvate carrier-dependent manner. IL-10 secretion promoted proliferation and effector function of CAR T cells, leading to complete regression of established solid tumors and metastatic cancers across several cancer types in syngeneic and xenograft mouse models, including colon cancer, breast cancer, melanoma and pancreatic cancer. IL-10 CAR T cells also induced stem cell-like memory responses in lymphoid organs that imparted durable protection against tumor rechallenge. Our results establish a generalizable approach to counter CAR T cell dysfunction through metabolic armoring, leading to solid tumor eradication and long-lasting immune protection.
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Affiliation(s)
- Yang Zhao
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- Institute of Materials Science & Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Jiangqing Chen
- Department of Cell Biology and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Massimo Andreatta
- Department of Oncology, University of Lausanne, Lausanne, Switzerland
- Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | - Bing Feng
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- Institute of Materials Science & Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Yu-Qing Xie
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Mathias Wenes
- Department of Oncology, University of Lausanne, Lausanne, Switzerland
| | - Yi Wang
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- Institute of Materials Science & Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Min Gao
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Xiaomeng Hu
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Pedro Romero
- Department of Oncology, University of Lausanne, Lausanne, Switzerland
| | - Santiago Carmona
- Department of Oncology, University of Lausanne, Lausanne, Switzerland
- Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | - Jie Sun
- Department of Cell Biology and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Yugang Guo
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
- Institute of Materials Science & Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China.
- National Key Laboratory of Advanced Drug Delivery and Release Systems, Zhejiang University, Hangzhou, China.
| | - Li Tang
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
- Institute of Materials Science & Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
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6
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Chung HK, Liu C, Sun M, Casillas E, Chen T, Chick B, Wang J, Ma S, Mcdonald B, He P, Yang Q, Varanasi SK, Mann T, Chen D, Hoffmann F, Tripple V, Hang Y, Ho J, Cho UH, Williams A, Wang Y, Hargreaves D, Kaech SM, Wang W. Multiomics atlas-assisted discovery of transcription factors enables specific cell state programming. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.03.522354. [PMID: 36711632 PMCID: PMC9881845 DOI: 10.1101/2023.01.03.522354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The same types of cells can assume diverse states with varying functionalities. Effective cell therapy can be achieved by specifically driving a desirable cell state, which requires the elucidation of key transcription factors (TFs). Here, we integrated epigenomic and transcriptomic data at the systems level to identify TFs that define different CD8 + T cell states in an unbiased manner. These TF profiles can be used for cell state programming that aims to maximize the therapeutic potential of T cells. For example, T cells can be programmed to avoid a terminal exhaustion state (Tex Term ), a dysfunctional T cell state that is often found in tumors or chronic infections. However, Tex Term exhibits high similarity with the beneficial tissue-resident memory T states (T RM ) in terms of their locations and transcription profiles. Our bioinformatic analysis predicted Zscan20 , a novel TF, to be uniquely active in Tex Term . Consistently, Zscan20 knock-out thwarted the differentiation of Tex Term in vivo , but not that of T RM . Furthermore, perturbation of Zscan20 programs T cells into an effector-like state that confers superior tumor and virus control and synergizes with immune checkpoint therapy. We also identified Jdp2 and Nfil3 as powerful Tex Term drivers. In short, our multiomics-based approach discovered novel TFs that enhance anti-tumor immunity, and enable highly effective cell state programming. One sentence summary Multiomics atlas enables the systematic identification of cell-state specifying transcription factors for therapeutic cell state programming.
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Luo M, Gong W, Zhang Y, Li H, Ma D, Wu K, Gao Q, Fang Y. New insights into the stemness of adoptively transferred T cells by γc family cytokines. Cell Commun Signal 2023; 21:347. [PMID: 38049832 PMCID: PMC10694921 DOI: 10.1186/s12964-023-01354-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 10/11/2023] [Indexed: 12/06/2023] Open
Abstract
T cell-based adoptive cell therapy (ACT) has exhibited excellent antitumoral efficacy exemplified by the clinical breakthrough of chimeric antigen receptor therapy (CAR-T) in hematologic malignancies. It relies on the pool of functional T cells to retain the developmental potential to serially kill targeted cells. However, failure in the continuous supply and persistence of functional T cells has been recognized as a critical barrier to sustainable responses. Conferring stemness on infused T cells, yielding stem cell-like memory T cells (TSCM) characterized by constant self-renewal and multilineage differentiation similar to pluripotent stem cells, is indeed necessary and promising for enhancing T cell function and sustaining antitumor immunity. Therefore, it is crucial to identify TSCM cell induction regulators and acquire more TSCM cells as resource cells during production and after infusion to improve antitumoral efficacy. Recently, four common cytokine receptor γ chain (γc) family cytokines, encompassing interleukin-2 (IL-2), IL-7, IL-15, and IL-21, have been widely used in the development of long-lived adoptively transferred TSCM in vitro. However, challenges, including their non-specific toxicities and off-target effects, have led to substantial efforts for the development of engineered versions to unleash their full potential in the induction and maintenance of T cell stemness in ACT. In this review, we summarize the roles of the four γc family cytokines in the orchestration of adoptively transferred T cell stemness, introduce their engineered versions that modulate TSCM cell formation and demonstrate the potential of their various combinations. Video Abstract.
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Affiliation(s)
- Mengshi Luo
- Department of Gynecological Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- National Clinical Research Center for Obstetrics and Gynecology, Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wenjian Gong
- Department of Gynecological Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- National Clinical Research Center for Obstetrics and Gynecology, Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuewen Zhang
- Department of Gynecological Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- National Clinical Research Center for Obstetrics and Gynecology, Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Huayi Li
- Department of Gynecological Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- National Clinical Research Center for Obstetrics and Gynecology, Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ding Ma
- Department of Gynecological Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- National Clinical Research Center for Obstetrics and Gynecology, Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kongming Wu
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qinglei Gao
- Department of Gynecological Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
- National Clinical Research Center for Obstetrics and Gynecology, Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Yong Fang
- Department of Gynecological Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
- National Clinical Research Center for Obstetrics and Gynecology, Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Zhang A, Wang S, Sun Y, Zhang Y, Zhao L, Yang Y, Zhang Y, Xu L, Lei Y, Du J, Chen H, Duan L, He M, Shi L, Liu L, Wang Q, Hu L, Zhang B. Targeting and cytotoxicity of chimeric antigen receptor T cells grafted with PD1 extramembrane domain. Exp Hematol Oncol 2023; 12:85. [PMID: 37777797 PMCID: PMC10543853 DOI: 10.1186/s40164-023-00438-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 08/22/2023] [Indexed: 10/02/2023] Open
Abstract
BACKGROUND Immunosuppression induced by programmed cell death protein 1 (PD1) presents a significant constraint on the effectiveness of chimeric antigen receptor (CAR)-T therapy. The potential of combining PD1/PDL1 (Programmed cell death 1 ligand 1) axis blockade with CAR-T cell therapy is promising. However, developing a highly efficient and minimally toxic approach requires further exploration. Our attempt to devise a novel CAR structure capable of recognizing both tumor antigens and PDL1 encountered challenges since direct targeting of PDL1 resulted in systemic adverse effects. METHODS In this research, we innovatively engineered novel CARs by grafting the PD1 domain into a conventional second-generation (2G) CAR specifically targeting CD19. These CARs exist in two distinct forms: one with PD1 extramembrane domain (EMD) directly linked to a transmembrane domain (TMD), referred to as PE CAR, and the other with PD1 EMD connected to a TMD via a CD8 hinge domain (HD), known as PE8HT CAR. To evaluate their efficacy, we conducted comprehensive assessments of their cytotoxicity, cytokine release, and potential off-target effects both in vitro and in vivo using tumor models that overexpress CD19/PDL1. RESULTS The findings of our study indicate that PE CAR demonstrates enhanced cytotoxicity and reduced cytokine release specifically towards CD19 + PDL1 + tumor cells, without off-target effects to CD19-PDL1 + tumor cells, in contrast to 2G CAR-T cells. Additionally, PE CAR showed ameliorative differentiation, exhaustion, and apoptosis phenotypes as assessed by flow cytometry, RNA-sequencing, and metabolic parameter analysis, after encountering CD19 + PDL1 + tumor cells. CONCLUSION Our results revealed that CAR grafted with PD1 exhibits enhanced antitumor activity with lower cytokine release and no PD1-related off-target toxicity in tumor models that overexpress CD19 and PDL1. These findings suggest that our CAR design holds the potential for effectively addressing the PD1 signal.
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Affiliation(s)
- Ang Zhang
- Academy of Military Medical Sciences, Academy of Military Sciences, Beijing, 100850, PR China
- Department of Hematology, Strategic Support Force Medical Center, Beijing, China
| | - Shenyu Wang
- Academy of Military Medical Sciences, Academy of Military Sciences, Beijing, 100850, PR China
- Senior Department of Hematology, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, 100071, PR China
| | - Yao Sun
- Senior Department of Hematology, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, 100071, PR China
| | - Yikun Zhang
- Department of Hematology, Strategic Support Force Medical Center, Beijing, China
| | - Long Zhao
- Senior Department of Hematology, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, 100071, PR China
| | - Yang Yang
- Senior Department of Hematology, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, 100071, PR China
| | - Yijian Zhang
- Senior Department of Hematology, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, 100071, PR China
| | - Lei Xu
- Senior Department of Hematology, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, 100071, PR China
| | - Yangyang Lei
- Senior Department of Hematology, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, 100071, PR China
| | - Jie Du
- SAFE Pharmaceutical Research Institute Co., Ltd, Beijing, China
| | - Hu Chen
- Academy of Military Medical Sciences, Academy of Military Sciences, Beijing, 100850, PR China
| | - Lian Duan
- Academy of Military Medical Sciences, Academy of Military Sciences, Beijing, 100850, PR China
| | - Mingyi He
- Department of Hematology, Strategic Support Force Medical Center, Beijing, China
| | - Lintao Shi
- Department of Hematology, Strategic Support Force Medical Center, Beijing, China
| | - Lei Liu
- Department of Hematology, Strategic Support Force Medical Center, Beijing, China
| | - Quanjun Wang
- SAFE Pharmaceutical Research Institute Co., Ltd, Beijing, China.
| | - Liangding Hu
- Senior Department of Hematology, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, 100071, PR China.
| | - Bin Zhang
- Senior Department of Hematology, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, 100071, PR China.
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9
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Chen M, Venturi V, Munier CML. Dissecting the Protective Effect of CD8 + T Cells in Response to SARS-CoV-2 mRNA Vaccination and the Potential Link with Lymph Node CD8 + T Cells. BIOLOGY 2023; 12:1035. [PMID: 37508464 PMCID: PMC10376827 DOI: 10.3390/biology12071035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/04/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023]
Abstract
SARS-CoV-2 vaccines have played a crucial role in effectively reducing COVID-19 disease severity, with a new generation of vaccines that use messenger RNA (mRNA) technology being administered globally. Neutralizing antibodies have featured as the heroes of vaccine-induced immunity. However, vaccine-elicited CD8+ T cells may have a significant impact on the early protective effects of the mRNA vaccine, which are evident 12 days after initial vaccination. Vaccine-induced CD8+ T cells have been shown to respond to multiple epitopes of SARS-CoV-2 and exhibit polyfunctionality in the periphery at the early stage, even when neutralizing antibodies are scarce. Furthermore, SARS-CoV-2 mRNA vaccines induce diverse subsets of memory CD8+ T cells that persist for more than six months following vaccination. However, the protective role of CD8+ T cells in response to the SARS-CoV-2 mRNA vaccines remains a topic of debate. In addition, our understanding of CD8+ T cells in response to vaccination in the lymph nodes, where they first encounter antigen, is still limited. This review delves into the current knowledge regarding the protective role of polyfunctional CD8+ T cells in controlling the virus, the response to SARS-CoV-2 mRNA vaccines, and the contribution to supporting B cell activity and promoting immune protection in the lymph nodes.
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Affiliation(s)
- Mengfei Chen
- The Kirby Institute, UNSW, Sydney, NSW 2052, Australia
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10
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Palmer WH, Leaton LA, Codo AC, Crute B, Roest J, Zhu S, Petersen J, Tobin RP, Hume PS, Stone M, van Bokhoven A, Gerich ME, McCarter MD, Zhu Y, Janssen WJ, Vivian JP, Trowsdale J, Getahun A, Rossjohn J, Cambier J, Loh L, Norman PJ. Polymorphic KIR3DL3 expression modulates tissue-resident and innate-like T cells. Sci Immunol 2023; 8:eade5343. [PMID: 37390222 PMCID: PMC10360443 DOI: 10.1126/sciimmunol.ade5343] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 06/07/2023] [Indexed: 07/02/2023]
Abstract
Most human killer cell immunoglobulin-like receptors (KIR) are expressed by natural killer (NK) cells and recognize HLA class I molecules as ligands. KIR3DL3 is a conserved but polymorphic inhibitory KIR recognizing a B7 family ligand, HHLA2, and is implicated for immune checkpoint targeting. The expression profile and biological function of KIR3DL3 have been somewhat elusive, so we searched extensively for KIR3DL3 transcripts, revealing highly enriched expression in γδ and CD8+ T cells rather than NK cells. These KIR3DL3-expressing cells are rare in the blood and thymus but more common in the lungs and digestive tract. High-resolution flow cytometry and single-cell transcriptomics showed that peripheral blood KIR3DL3+ T cells have an activated transitional memory phenotype and are hypofunctional. The T cell receptor (TCR) usage is biased toward genes from early rearranged TCR-α variable segments or Vδ1 chains. In addition, we show that TCR-mediated stimulation can be inhibited through KIR3DL3 ligation. Whereas we detected no impact of KIR3DL3 polymorphism on ligand binding, variants in the proximal promoter and at residue 86 can reduce expression. Together, we demonstrate that KIR3DL3 is up-regulated alongside unconventional T cell stimulation and that individuals may vary in their ability to express KIR3DL3. These results have implications for the personalized targeting of KIR3DL3/HHLA2 checkpoint inhibition.
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Affiliation(s)
- William H. Palmer
- Department of Biomedical Informatics, University of
Colorado School of Medicine, Aurora, CO, USA
- Department of Immunology & Microbiology, University of
Colorado School of Medicine, Aurora, CO, USA
| | - Laura Ann Leaton
- Department of Biomedical Informatics, University of
Colorado School of Medicine, Aurora, CO, USA
- Department of Immunology & Microbiology, University of
Colorado School of Medicine, Aurora, CO, USA
| | - Ana Campos Codo
- Department of Biomedical Informatics, University of
Colorado School of Medicine, Aurora, CO, USA
- Department of Immunology & Microbiology, University of
Colorado School of Medicine, Aurora, CO, USA
| | - Bergren Crute
- Department of Immunology & Microbiology, University of
Colorado School of Medicine, Aurora, CO, USA
| | - James Roest
- Infection and Immunity Program and Department of
Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash
University, Clayton, Victoria, Australia
| | - Shiying Zhu
- Infection and Immunity Program and Department of
Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash
University, Clayton, Victoria, Australia
| | - Jan Petersen
- Infection and Immunity Program and Department of
Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash
University, Clayton, Victoria, Australia
| | - Richard P. Tobin
- Department of Surgery, Division of Surgical Oncology,
University of Colorado School of Medicine, Aurora, CO, USA
| | - Patrick S. Hume
- Department of Medicine, National Jewish Health, Denver, CO,
USA
| | - Matthew Stone
- Department of Surgery, Division of Surgical Oncology,
University of Colorado School of Medicine, Aurora, CO, USA
| | - Adrie van Bokhoven
- Department of Pathology, University of Colorado School of
Medicine, Aurora, CO, USA
| | - Mark E. Gerich
- Division of Gastroenterology and Hepatology, University of
Colorado School of Medicine, Aurora, CO, USA
| | - Martin D. McCarter
- Department of Surgery, Division of Surgical Oncology,
University of Colorado School of Medicine, Aurora, CO, USA
| | - Yuwen Zhu
- Department of Surgery, Division of Surgical Oncology,
University of Colorado School of Medicine, Aurora, CO, USA
| | | | - Julian P. Vivian
- Infection and Immunity Program and Department of
Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash
University, Clayton, Victoria, Australia
| | | | - Andrew Getahun
- Department of Immunology & Microbiology, University of
Colorado School of Medicine, Aurora, CO, USA
| | - Jamie Rossjohn
- Infection and Immunity Program and Department of
Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash
University, Clayton, Victoria, Australia
- Institute of Infection and Immunity, Cardiff University,
School of Medicine, Heath Park, Cardiff, UK
| | - John Cambier
- Department of Immunology & Microbiology, University of
Colorado School of Medicine, Aurora, CO, USA
| | - Liyen Loh
- Department of Immunology & Microbiology, University of
Colorado School of Medicine, Aurora, CO, USA
- Department of Microbiology and Immunology, University of
Melbourne, at the Peter Doherty Institute for Infection and Immunity, Parkville,
Australia
| | - Paul J. Norman
- Department of Biomedical Informatics, University of
Colorado School of Medicine, Aurora, CO, USA
- Department of Immunology & Microbiology, University of
Colorado School of Medicine, Aurora, CO, USA
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11
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Li J, Zhou W, Li D, Huang Y, Yang X, Jiang L, Hu X, Yang J, Fu M, Zhang M, Wang F, Li J, Zhang Y, Yang Y, Yan F, Gao H, Wang W. Co-infusion of CAR T cells with aAPCs expressing chemokines and costimulatory ligands enhances the anti-tumor efficacy in mice. Cancer Lett 2023:216287. [PMID: 37392990 DOI: 10.1016/j.canlet.2023.216287] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 06/14/2023] [Accepted: 06/23/2023] [Indexed: 07/03/2023]
Abstract
Chimeric antigen receptor-modified T (CAR-T) cell therapy has shown curable efficacy for treating hematological malignancies, while in solid tumors, the immunosuppressive microenvironment causes poor activation, expansion and survival of CAR-T cells, accounting mainly for the unsatisfactory efficacy. The artificial antigen-presenting cells (aAPCs) have been used for ex vivo expansion and manufacturing of CAR-T cells. Here, we constructed a K562 cell-based aAPCs expressing human epithelial cell adhesion molecule (EpCAM), chemokines (CCL19 and CCL21) and co-stimulatory molecular ligands (CD80 and 4-1BBL). Our data demonstrated that the novel aAPCs enhanced the expansion, and increased the immune memory phenotype and cytotoxicity of CAR-T cells recognizing EpCAM, in vitro. Of note, co-infusion CAR-T and aAPC enhances the infiltration of CAR-T cells in solid tumors, which has certain potential for the treatment of solid tumors Moreover, IL-2-9-21, a cytokine cocktail, prevents CAR-T cells from entering the state of exhaustion prematurely following continuous antigen engagement and boosts the anti-tumor activity of CAR-T cells co-infused with aAPCs. These data provide a new strategy to enhance the therapeutic potential of CAR-T cell therapy for the treatment of solid tumors.
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Affiliation(s)
- Jing Li
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Weilin Zhou
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Dan Li
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Yong Huang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Xiao Yang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Lin Jiang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Xiaoyi Hu
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China; Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, 610041, PR China
| | - Jinrong Yang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China; Department of Hematology, Hematology Research Laboratory, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Maorong Fu
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Mengxi Zhang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China; Department of Medical Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Fengling Wang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Jiaqian Li
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Yalan Zhang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Yuening Yang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Feiyang Yan
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Haozhan Gao
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China
| | - Wei Wang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China.
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12
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Zhang J, Lei F, Tan H. The development of CD8 T-cell exhaustion heterogeneity and the therapeutic potentials in cancer. Front Immunol 2023; 14:1166128. [PMID: 37275913 PMCID: PMC10232978 DOI: 10.3389/fimmu.2023.1166128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 04/25/2023] [Indexed: 06/07/2023] Open
Abstract
CD8+ T cells are essential lymphocytes with cytotoxic properties for antitumor immunotherapy. However, during chronic infection or tumorigenesis, these cells often become dysfunctional with a gradually depleted ability to release cytokines and the exhibition of reduced cytotoxicity, the state referred to as "T-cell exhaustion" (Tex). This unique state was characterized by the increasing expression of inhibitory checkpoint receptors, and interventions targeting immune checkpoint blockades (ICBs) have been considered as a promising strategy to stimulate T-cell killing. Recent investigations have demonstrated that exhausted T cells not only display functional, metabolic, transcriptional, and epigenetic differences but also comprise a heterogeneous group of cells. In this review, we summarize the current findings on dynamic differentiation process during Tex heterogeneity development in cancer and chronic infection. We discuss how the responses to immunotherapy are determined by these distinct subsets and highlight prospective approaches for improving the efficacy of ICB therapy for cancer by leveraging the heterogeneity of T cells.
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Affiliation(s)
- Junfeng Zhang
- Department of Basic Research, Guangzhou Laboratory, Guangzhou, China
| | - Feifei Lei
- Lab of Liver Disease, Department of Infectious Diseases, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Huabing Tan
- Lab of Liver Disease, Department of Infectious Diseases, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
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Abstract
OBJECTIVES Despite suppressive antiretroviral therapy (ART), HIV can persist in a diverse range of CD4+ T-cell subsets. Through longitudinal env sampling from people with HIV (PWH) on ART, we characterized the persistence and phenotypic properties of HIV envs over two time-points (T1 and T2). METHODS Longitudinal blood and lymphoid tissue samples were obtained from eight PWH on suppressive ART. Single genome amplification (SGA) was performed on env to understand the genetic diversity and degree of clonal expansions over time. A subset of envs were used to generate pseudovirus particles to assess sensitivity to autologous plasma IgG and broadly neutralizing antibodies (bNAbs). RESULTS Identical env sequences indicating clonal expansion persisted between T1 and T2 and within multiple T-cell subsets. At both time-points, CXCR4-tropic (X4) Envs were more prevalent in naive and central memory cells; the proportion of X4 Envs did not significantly change in each subset between T1 and T2. Autologous purified plasma IgG showed variable neutralization of Envs, with no significant difference in neutralization between R5 and X4 Envs. X4 Envs were more sensitive to neutralization with clinical bNAbs, with CD4-binding site bNAbs demonstrating high breadth and potency against Envs. CONCLUSION Our data suggest the viral reservoir in PWH on ART was predominantly maintained over time through proliferation and potentially differentiation of infected cells. We found the humoral immune response to Envs within the latent reservoir was variable between PWH. Finally, we identified coreceptor usage can influence bNAb sensitivity and may need to be considered for future bNAb immunotherapy approaches.
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14
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Chi X, Luo S, Ye P, Hwang WL, Cha JH, Yan X, Yang WH. T-cell exhaustion and stemness in antitumor immunity: Characteristics, mechanisms, and implications. Front Immunol 2023; 14:1104771. [PMID: 36891319 PMCID: PMC9986432 DOI: 10.3389/fimmu.2023.1104771] [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: 11/22/2022] [Accepted: 02/07/2023] [Indexed: 02/22/2023] Open
Abstract
T cells play a crucial role in the regulation of immune response and are integral to the efficacy of cancer immunotherapy. Because immunotherapy has emerged as a promising treatment for cancer, increasing attention has been focused on the differentiation and function of T cells in immune response. In this review, we describe the research progress on T-cell exhaustion and stemness in the field of cancer immunotherapy and summarize advances in potential strategies to intervene and treat chronic infection and cancer by reversing T-cell exhaustion and maintaining and increasing T-cell stemness. Moreover, we discuss therapeutic strategies to overcome T-cell immunodeficiency in the tumor microenvironment and promote continuous breakthroughs in the anticancer activity of T cells.
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Affiliation(s)
- Xiaoxia Chi
- Affiliated Cancer Hospital & Institute and Key Laboratory for Cell Homeostasis and Cancer Research of Guangdong Higher Education Institutes, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Shahang Luo
- Affiliated Cancer Hospital & Institute and Key Laboratory for Cell Homeostasis and Cancer Research of Guangdong Higher Education Institutes, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Peng Ye
- Department of Infectious Diseases, Guangzhou Panyu Central Hospital, Guangzhou, Guangdong, China
| | - Wei-Lun Hwang
- Department of Biotechnology and Laboratory Science in Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Cancer Progression Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Jong-Ho Cha
- Department of Biomedical Science, College of Medicine, and Program in Biomedical Sciences and Engineering, Inha University, Incheon, Republic of Korea
| | - Xiuwen Yan
- Affiliated Cancer Hospital & Institute and Key Laboratory for Cell Homeostasis and Cancer Research of Guangdong Higher Education Institutes, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Wen-Hao Yang
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
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15
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Fazeli P, Talepoor AG, Faghih Z, Gholijani N, Ataollahi MR, Ali‐Hassanzadeh M, Moravej H, Kalantar K. The frequency of CD4+ and CD8+ circulating T stem cell memory in type 1 diabetes. Immun Inflamm Dis 2022; 10:e715. [PMID: 36169248 PMCID: PMC9500591 DOI: 10.1002/iid3.715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 08/27/2022] [Accepted: 09/13/2022] [Indexed: 11/07/2022] Open
Abstract
Introduction Methods Results Conclusion
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Affiliation(s)
- Pooriya Fazeli
- Department of Immunology School of Medicine Shiraz University of Medical Sciences Shiraz Iran
| | - Atefe Ghamar Talepoor
- Department of Immunology School of Medicine Shiraz University of Medical Sciences Shiraz Iran
| | - Zahra Faghih
- Shiraz Institute for Cancer Research School of Medicine Shiraz University of Medical Sciences Shiraz Iran
| | - Nasser Gholijani
- Autoimmune Diseases Research Center Shiraz University of Medical Sciences Shiraz Iran
| | | | | | - Hossein Moravej
- Department of Pediatrics School of Medicine Shiraz University of Medical Sciences Shiraz Iran
| | - Kurosh Kalantar
- Department of Immunology School of Medicine Shiraz University of Medical Sciences Shiraz Iran
- Autoimmune Diseases Research Center Shiraz University of Medical Sciences Shiraz Iran
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16
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Zebley CC, Youngblood B. Mechanisms of T cell exhaustion guiding next-generation immunotherapy. Trends Cancer 2022; 8:726-734. [PMID: 35570136 PMCID: PMC9388609 DOI: 10.1016/j.trecan.2022.04.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 04/08/2022] [Accepted: 04/14/2022] [Indexed: 10/18/2022]
Abstract
The functional decline in T cells during their chronic stimulation, commonly referred to as T cell exhaustion, is a major limitation for current immunotherapy approaches. As modern medicine embraces therapeutic approaches that exploit the immuno-oncology interface, a primary question is how is T cell function maintained over time in scenarios of prolonged tumor burden. Deciphering the molecular mechanisms of T cell exhaustion is now enabling the field to begin using cardinal features of T cell differentiation to develop biomarkers that can delineate responders from nonresponders prior to treatment with T cell-based therapeutics. Furthermore, applying principles of basic T cell immunity toward the development of cancer treatments is laying a foundation for rational approaches to improve immunotherapy by redirecting T cells away from a dysfunctional developmental trajectory.
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Affiliation(s)
- Caitlin C Zebley
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN 38105, USA; Department of Bone Marrow Transplantation and Cellular Therapy, St Jude Children's Research Hospital, Memphis, TN 38105, USA.
| | - Ben Youngblood
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN 38105, USA.
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[Kinetics of immune activated T cells in aplastic anemia mouse model]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2022; 43:581-586. [PMID: 36709136 PMCID: PMC9395565 DOI: 10.3760/cma.j.issn.0253-2727.2022.07.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Objective: To explore the dynamic changes of donor derived T cells at different time points in the aplastic anemia mouse model. Methods: The aplastic anemia mouse model was induced and then the proportion of infiltrated donor derived T cells in spleen and bone marrow, expression of activation molecular markers, cell cycle and functional subsets were measured by flow cytometry at different time points to evaluate the functional status of T cells in different periods. Results: ①T cell immune-mediated aplastic anemia mouse model was successfully established by half lethal dose irradiation combined with major histocompatibility antigen (MHC) haploidentical lymph node cells infusion. ②The donor derived T cells began to infiltrate significantly in the spleen of aplastic anemia mouse from the 3rd day after transplantation and the ratio of CD4(+)/CD8(+) gradually inverted. After the 5th day, they gradually entered the bone marrow, predominated by CD8(+) cells. ③The expression peak of CD69 in donor CD4(+) cells was later than that in CD8(+) cells. The trend of CD25 expression in CD4(+) cells was the same as that in CD8(+) cells, but the expression level in CD8(+) cells was higher than CD4(+) cells. ④The proportion of donor CD4(+) cells in S/G(2)/M phase reached the peak in spleen, about 12%, within 3 days after transplantation, while a higher level in CD8(+) cells, which was about 20%. And the proportion of both CD4(+) and CD8(+) cells in S/G(2)/M phase increased again after entering bone marrow, which was continued to be higher in CD8(+) cells than that in CD4(+) cells after 3 days of transplantation. ⑤Immune activated T cells in the spleen rapidly differentiated into effector memory T cells (T(EM)) after a short central memory T cell (T(CM)) stage. After entering the bone marrow, some T(EM) differentiated into effector cells to further function. Conclusion: In the aplastic anemia mouse model, donor derived T cells activated rapidly after entering the allogenic recipient, reached its proliferation booming period and differentiated into T(EM) cells within 5 days. After 5 days, they began to enter the bone marrow to continue proliferate and damage hematopoiesis.
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18
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La Manna MP, Shekarkar Azgomi M, Tamburini B, Badami GD, Mohammadnezhad L, Dieli F, Caccamo N. Phenotypic and Immunometabolic Aspects on Stem Cell Memory and Resident Memory CD8+ T Cells. Front Immunol 2022; 13:884148. [PMID: 35784300 PMCID: PMC9247337 DOI: 10.3389/fimmu.2022.884148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 05/19/2022] [Indexed: 11/13/2022] Open
Abstract
The immune system, smartly and surprisingly, saves the exposure of a particular pathogen in its memory and reacts to the pathogen very rapidly, preventing serious diseases.Immunologists have long been fascinated by understanding the ability to recall and respond faster and more vigorously to a pathogen, known as “memory”.T-cell populations can be better described by using more sophisticated techniques to define phenotype, transcriptional and epigenetic signatures and metabolic pathways (single-cell resolution), which uncovered the heterogeneity of the memory T-compartment. Phenotype, effector functions, maintenance, and metabolic pathways help identify these different subsets. Here, we examine recent developments in the characterization of the heterogeneity of the memory T cell compartment. In particular, we focus on the emerging role of CD8+ TRM and TSCM cells, providing evidence on how their immunometabolism or modulation can play a vital role in their generation and maintenance in chronic conditions such as infections or autoimmune diseases.
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Affiliation(s)
- Marco Pio La Manna
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR) Azienda Ospedaliera Universitaria Policlinico (A.O.U.P.) Paolo Giaccone, University of Palermo, Palermo, Italy
- Department of Biomedicine, Neurosciences and Advanced Diagnostic (Bi.N.D.), University of Palermo, Palermo, Italy
| | - Mojtaba Shekarkar Azgomi
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR) Azienda Ospedaliera Universitaria Policlinico (A.O.U.P.) Paolo Giaccone, University of Palermo, Palermo, Italy
- Department of Biomedicine, Neurosciences and Advanced Diagnostic (Bi.N.D.), University of Palermo, Palermo, Italy
| | - Bartolo Tamburini
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR) Azienda Ospedaliera Universitaria Policlinico (A.O.U.P.) Paolo Giaccone, University of Palermo, Palermo, Italy
- Department of Biomedicine, Neurosciences and Advanced Diagnostic (Bi.N.D.), University of Palermo, Palermo, Italy
| | - Giusto Davide Badami
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR) Azienda Ospedaliera Universitaria Policlinico (A.O.U.P.) Paolo Giaccone, University of Palermo, Palermo, Italy
- Department of Biomedicine, Neurosciences and Advanced Diagnostic (Bi.N.D.), University of Palermo, Palermo, Italy
| | - Leila Mohammadnezhad
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR) Azienda Ospedaliera Universitaria Policlinico (A.O.U.P.) Paolo Giaccone, University of Palermo, Palermo, Italy
- Department of Biomedicine, Neurosciences and Advanced Diagnostic (Bi.N.D.), University of Palermo, Palermo, Italy
| | - Francesco Dieli
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR) Azienda Ospedaliera Universitaria Policlinico (A.O.U.P.) Paolo Giaccone, University of Palermo, Palermo, Italy
- Department of Biomedicine, Neurosciences and Advanced Diagnostic (Bi.N.D.), University of Palermo, Palermo, Italy
| | - Nadia Caccamo
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR) Azienda Ospedaliera Universitaria Policlinico (A.O.U.P.) Paolo Giaccone, University of Palermo, Palermo, Italy
- Department of Biomedicine, Neurosciences and Advanced Diagnostic (Bi.N.D.), University of Palermo, Palermo, Italy
- *Correspondence: Nadia Caccamo,
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19
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Arcangeli S, Bove C, Mezzanotte C, Camisa B, Falcone L, Manfredi F, Bezzecchi E, El Khoury R, Norata R, Sanvito F, Ponzoni M, Greco B, Moresco MA, Carrabba MG, Ciceri F, Bonini C, Bondanza A, Casucci M. CAR T-cell manufacturing from naive/stem memory T-lymphocytes enhances antitumor responses while curtailing cytokine release syndrome. J Clin Invest 2022; 132:150807. [PMID: 35503659 PMCID: PMC9197529 DOI: 10.1172/jci150807] [Citation(s) in RCA: 83] [Impact Index Per Article: 41.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 04/26/2022] [Indexed: 11/21/2022] Open
Abstract
Chimeric antigen receptor (CAR) T cell expansion and persistence represent key factors to achieve complete responses and prevent relapses. These features are typical of early memory T cells, which can be highly enriched through optimized manufacturing protocols. Here, we investigated the efficacy and safety profiles of CAR T cell products generated from preselected naive/stem memory T cells (TN/SCM), as compared with unselected T cells (TBULK). Notwithstanding their reduced effector signature in vitro, limiting CAR TN/SCM doses showed superior antitumor activity and the unique ability to counteract leukemia rechallenge in hematopoietic stem/precursor cell–humanized mice, featuring increased expansion rates and persistence together with an ameliorated exhaustion and memory phenotype. Most relevantly, CAR TN/SCM proved to be intrinsically less prone to inducing severe cytokine release syndrome, independently of the costimulatory endodomain employed. This safer profile was associated with milder T cell activation, which translated into reduced monocyte activation and cytokine release. These data suggest that CAR TN/SCM are endowed with a wider therapeutic index compared with CAR TBULK.
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Affiliation(s)
- Silvia Arcangeli
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Camilla Bove
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Claudia Mezzanotte
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Barbara Camisa
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Laura Falcone
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Francesco Manfredi
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Eugenia Bezzecchi
- Center for Omics Sciences, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Rita El Khoury
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Rossana Norata
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Francesca Sanvito
- Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Maurilio Ponzoni
- Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Beatrice Greco
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Marta Angiola Moresco
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Matteo G Carrabba
- Department of Hematology and Stem Cell Transplantation, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Fabio Ciceri
- Department of Hematology and Stem Cell Transplantation, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Chiara Bonini
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Attilio Bondanza
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Monica Casucci
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
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20
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Vakili ME, Faghih Z, Sarvari J, Doroudchi M, Hosseini SN, Kabelitz D, Kalantar K. Lower frequency of T stem cell memory (TSCM) cells in hepatitis B vaccine nonresponders. Immunol Res 2022; 70:469-480. [PMID: 35445310 PMCID: PMC9273562 DOI: 10.1007/s12026-022-09278-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 04/01/2022] [Indexed: 11/25/2022]
Abstract
Despite the availability of an effective vaccine and antiviral treatments, hepatitis B is still a global public health problem. Hepatitis B vaccination can prevent the disease. Vaccination induces long-lasting protective immune memory, and the identification of memory cell subsets can indicate the effectiveness of vaccines. Here, we compared the frequency of CD4+ memory T cell subsets between responders and nonresponders to HB vaccination. Besides, the frequency of IFN-γ+ memory T cells was compared between studied groups. Study participants were grouped according to their anti-HBsAb titer. For restimulation of CD4+ memory T cells, peripheral blood mononuclear cells (PBMCs) were cultured in the presence of HBsAg and PHA for 48 h. Besides, PMA, ionomycin, and brefeldin were added during the last 5 h of incubation to induce IFN-γ production. Flow cytometry was used for analysis. There was a statistically significant difference in the frequency of CD4+CD95+, CD4+CD95Hi, and CD4+CD95low/med T stem cell memory (TSCM) cells between responder and nonresponder groups. However, the comparison of the frequency of memory T cells producing IFN-γ showed no differences. Our results identified a possible defect of immunological CD4+ memory T cell formation in nonresponders due to their lower frequency of CD4+ TSCM cells.
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Affiliation(s)
- Mahsa Eshkevar Vakili
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Faghih
- School of Medicine, Shiraz Institute for Cancer Research, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Jamal Sarvari
- Department of Bacteriology and Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Gastroenterohepatology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mehrnoosh Doroudchi
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyed Nezamedin Hosseini
- Department of Recombinant Hepatitis B Vaccine, Production and Research Complex, Pasteur Institute of Iran, Tehran, Iran
| | - Dieter Kabelitz
- Institute of Immunology, Christian-Albrechts University of Kiel and University Hospital Schleswig, Holstein Campus Kiel, 24105, Kiel, Germany.
| | - Kurosh Kalantar
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
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21
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Tofighi Zavareh F, Mirshafiey A, Yazdani R, Keshtkar AA, Abolhassani H, Mahdaviani SA, Habibi S, Sohani M, Rezaei N, Aghamohammadi A. Immunophenotypic and functional analysis of lymphocyte subsets in common variable immunodeficiency patients without monogenic defects. Scand J Immunol 2022; 96:e13164. [PMID: 35305035 DOI: 10.1111/sji.13164] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 03/02/2022] [Accepted: 03/13/2022] [Indexed: 11/30/2022]
Abstract
Common variable immunodeficiency (CVID) is accompanied by various lymphocyte abnormalities believed to be mostly responsible for disease features in patients with no diagnosed monogenic defects. Here, we evaluated the association of B and T lymphocyte abnormalities with the incidence of CVID. Twenty-six genetically unsolved CVID patients were examined for B and T lymphocyte subsets by flow cytometry and CD4+ T cell proliferation by Carboxyfluorescein succinimidyl ester (CFSE) test. We detected a reduction in total, naive, memory B cells and plasmablasts, and also total, naive, central memory and regulatory CD4+ T cells, besides naive CD8+ T cells. There were an increase in CD21low and transitional B cells, effector memory (EM) and terminally differentiated effector memory (TEMRA ) CD4+ T cell subsets as well as total, EM, TEMRA , activated and cytotoxic CD8+ T cells among non-monogenic CVID patients. CD4+ T cells proliferation response was reduced regarding both division index and percent divided. In conclusion, regarding the similarity of lymphocyte abnormalities between patients without genetic defects and those with monogenic defects, genetic mutations are not responsible for these specific lymphocyte changes. However, the novel correlations observed between lymphocyte alterations among genetically unsolved CVID patients may serve as a guide to predict the potential of future CVID development for hypogammaglobulinemia children.
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Affiliation(s)
- Farzaneh Tofighi Zavareh
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.,Primary Immunodeficiency Diseases Network (PIDNet), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Abbas Mirshafiey
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Yazdani
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,Primary Immunodeficiency Diseases Network (PIDNet), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,Department of Neurology, Thomas Jefferson University, Philadelphia, PA, 19107, USA
| | - Abbas Ali Keshtkar
- Department of Health Sciences Education Development, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Hassan Abolhassani
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,Division of Clinical Immunology, Department of Biosciences and Nutrition, Karolinska Institute, Stockholm, Sweden.,Division of Clinical Immunology, Department of Laboratory Medicine, Karolinska Institute at Karolinska University Hospital Huddinge, Stockholm, Sweden
| | - Seyed Alireza Mahdaviani
- Pediatric Respiratory Diseases Research Centre, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sima Habibi
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahsa Sohani
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,Primary Immunodeficiency Diseases Network (PIDNet), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Asghar Aghamohammadi
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
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22
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Zebley CC, Brown C, Mi T, Fan Y, Alli S, Boi S, Galletti G, Lugli E, Langfitt D, Metais JY, Lockey T, Meagher M, Triplett B, Talleur AC, Gottschalk S, Youngblood B. CD19-CAR T cells undergo exhaustion DNA methylation programming in patients with acute lymphoblastic leukemia. Cell Rep 2021; 37:110079. [PMID: 34852226 PMCID: PMC8800370 DOI: 10.1016/j.celrep.2021.110079] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 10/08/2021] [Accepted: 11/09/2021] [Indexed: 01/02/2023] Open
Abstract
CD19-CAR T cell therapy has evolved into the standard of care for relapsed/refractory B cell acute lymphoblastic leukemia (ALL); however, limited persistence of the CAR T cells enables tumor relapse for many patients. To gain a deeper understanding of the molecular characteristics associated with CAR T cell differentiation, we performed longitudinal genome-wide DNA methylation profiling of CD8+ CD19-CAR T cells post-infusion in ALL patients. We report that CAR T cells undergo a rapid and broad erasure of repressive DNA methylation reprograms at effector-associated genes. The CAR T cell post-infusion changes are further characterized by repression of genes (e.g., TCF7 and LEF1) associated with memory potential and a DNA methylation signature (e.g., demethylation at CX3CR1, BATF, and TOX) demarcating a transition toward exhaustion-progenitor T cells. Thus, CD19-CAR T cells undergo exhaustion-associated DNA methylation programming, indicating that efforts to prevent this process may be an attractive approach to improve CAR T cell efficacy. Zebley et al. show that CD8+ CD19-CAR T cells undergo genome-wide DNA methylation changes during an antitumor response in patients with B cell acute lymphoblastic leukemia (ALL). Post-infusion CAR T cell differentiation involves acquisition of DNA methylation programs associated with effector function, repression of memory potential, and transition toward exhaustion.
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Affiliation(s)
- Caitlin C Zebley
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN 38105, USA; Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
| | - Charmaine Brown
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Tian Mi
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Yiping Fan
- Center for Applied Bioinformatics, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Shanta Alli
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Shannon Boi
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Giovanni Galletti
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center - IRCCS, Rozzano, Milan, Italy
| | - Enrico Lugli
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center - IRCCS, Rozzano, Milan, Italy
| | - Deanna Langfitt
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Jean-Yves Metais
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Timothy Lockey
- Therapeutics Production and Quality, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Michael Meagher
- Therapeutics Production and Quality, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Brandon Triplett
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Aimee C Talleur
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Stephen Gottschalk
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Ben Youngblood
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
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23
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Li Y, Wu D, Yang X, Zhou S. Immunotherapeutic Potential of T Memory Stem Cells. Front Oncol 2021; 11:723888. [PMID: 34604060 PMCID: PMC8485052 DOI: 10.3389/fonc.2021.723888] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 08/23/2021] [Indexed: 11/13/2022] Open
Abstract
Memory T cells include T memory stem cells (TSCM) and central memory T cells (TCM). Compared with effector memory T cells (TEM) and effector T cells (TEFF), they have better durability and anti-tumor immunity. Recent studies have shown that although TSCM has excellent self-renewal ability and versatility, if it is often exposed to antigens and inflammatory signals, TSCM will behave as a variety of inhibitory receptors such as PD-1, TIM-3 and LAG-3 expression, and metabolic changes from oxidative phosphorylation to glycolysis. These changes can lead to the exhaustion of T cells. Cumulative evidence in animal experiments shows that it is the least differentiated cell in the memory T lymphocyte system and is a central participant in many physiological and pathological processes in humans. It has a good clinical application prospect, so it is more and more important to study the factors affecting the formation of TSCM. This article summarizes and prospects the phenotypic and functional characteristics of TSCM, the regulation mechanism of formation, and its application in treatment of clinical diseases.
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Affiliation(s)
- Yujie Li
- Department of Biochemistry and Molecular Biology, School of Pre-Clinical Science, Guangxi Medical University, Nanning, China
| | - Dengqiang Wu
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, China
| | - Xuejia Yang
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, China
| | - Sufang Zhou
- Department of Biochemistry and Molecular Biology, School of Pre-Clinical Science, Guangxi Medical University, Nanning, China.,National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, China
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24
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Wang S, Wang L, Liu Y, Zhu Y, Liu Y. Characteristics of T-cell receptor repertoire of stem cell-like memory CD4+ T cells. PeerJ 2021; 9:e11987. [PMID: 34527440 PMCID: PMC8401816 DOI: 10.7717/peerj.11987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 07/26/2021] [Indexed: 11/20/2022] Open
Abstract
Stem cell-like memory T cells (Tscm) combine phenotypes of naïve and memory. However, it remains unclear how T cell receptor (TCR) characteristics contribute to heterogeneity in Tscm and other memory T cells. We compared the TCR-beta (TRB) repertoire characteristics of CD4+ Tscm with those of naïve and other CD4+ memory (Tm) in 16 human subjects. Compared with Tm, Tscm had an increased diversity across all stretches of TRB repertoire structure, a skewed gene usage, and a shorter length distribution of CDR3 region. These distinctions between Tscm and Tm were enlarged in top1000 abundant clonotypes. Furthermore, top1000 clonotypes in Tscm were more public than those in Tm and grouped in more clusters, implying more epitope types recognized by top1000 clonotypes in Tscm. Importantly, self-reactive clonotypes were public and enriched in Tscm rather than Tm, of type one diabetes patients. Therefore, this study highlights the unique features of Tscm different from those of other memory subsets and provides clues to understand the physiological and pathological functions of Tscm.
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Affiliation(s)
- Shiyu Wang
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China.,BGI-Shenzhen, Shenzhen, China.,China National GeneBank, BGI-Shenzhen, Shenzhen, China
| | - Longlong Wang
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China.,BGI-Shenzhen, Shenzhen, China.,China National GeneBank, BGI-Shenzhen, Shenzhen, China
| | - Yang Liu
- BGI-Shenzhen, Shenzhen, China.,China National GeneBank, BGI-Shenzhen, Shenzhen, China
| | - Yonggang Zhu
- School of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen, Shenzhen, China
| | - Ya Liu
- BGI-Shenzhen, Shenzhen, China.,China National GeneBank, BGI-Shenzhen, Shenzhen, China.,Shenzhen Key Laboratory of Single-Cell Omics, BGI-Shenzhen, Shenzhen, China
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25
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Adam L, Rosenbaum P, Quentric P, Parizot C, Bonduelle O, Guillou N, Corneau A, Dorgham K, Miyara M, Luyt CE, Guihot A, Gorochov G, Combadière C, Combadière B. Nucleocapsid-specific and PD-L1+CXCR3+ CD8 polyfunctional T-cell abundances are associated with survival of critical SARS-CoV2-infected patients. JCI Insight 2021; 6:e151571. [PMID: 34283810 PMCID: PMC8492305 DOI: 10.1172/jci.insight.151571] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 07/14/2021] [Indexed: 11/30/2022] Open
Abstract
The importance of the adaptive T cell response in the control and resolution of viral infection has been well established. However, the nature of T cell–mediated viral control mechanisms in life-threatening stages of COVID-19 has yet to be determined. The aim of the present study was to determine the function and phenotype of T cell populations associated with survival or death of patients with COVID-19 in intensive care as a result of phenotypic and functional profiling by mass cytometry. Increased frequencies of circulating, polyfunctional CD4+CXCR5+HLA-DR+ stem cell memory T cells (Tscms) and decreased proportions of granzyme B–expressing and perforin-expressing effector memory T cells were detected in recovered and deceased patients, respectively. The higher abundance of polyfunctional PD-L1+CXCR3+CD8+ effector T cells (Teffs), CXCR5+HLA-DR+ Tscms, and anti-nucleocapsid (anti-NC) cytokine-producing T cells permitted us to differentiate between recovered and deceased patients. The results from a principal component analysis show an imbalance in the T cell compartment that allowed for the separation of recovered and deceased patients. The paucity of circulating PD-L1+CXCR3+CD8+ Teffs and NC-specific CD8+ T cells accurately forecasts fatal disease outcome. This study provides insight into the nature of the T cell populations involved in the control of COVID-19 and therefore might impact T cell–based vaccine designs for this infectious disease.
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Affiliation(s)
- Lucille Adam
- Centre d'Immunologie et des Maladies Infectieuses, INSERM UMR 1135, Paris, France
| | - Pierre Rosenbaum
- Centre d'Immunologie et des Maladies Infectieuses, INSERM UMR 1135, Paris, France
| | - Paul Quentric
- Département d'Immunologie, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Christophe Parizot
- Département d'Immunologie, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Olivia Bonduelle
- Centre d'Immunologie et des Maladies Infectieuses, INSERM UMR 1135, Paris, France
| | - Noëlline Guillou
- Centre d'Immunologie et des Maladies Infectieuses, INSERM UMR 1135, Paris, France
| | - Aurelien Corneau
- Plateforme de cytométrie de la Pitié-Salpêtrière CyPS, UPMC/CNRS/INSERM, Paris, France
| | - Karim Dorgham
- Centre d'Immunologie et des Maladies Infectieuses, INSERM UMR 1135, Paris, France
| | - Makoto Miyara
- Département d'Immunologie, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Charles-Edouard Luyt
- Service de Médecine Intensive-Réanimation et Pneumologie, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Amélie Guihot
- Centre d'Immunologie et des Maladies Infectieuses, INSERM UMR 1135, Paris, France
| | - Guy Gorochov
- Centre d'Immunologie et des Maladies Infectieuses, INSERM UMR 1135, Paris, France
| | | | - Behazine Combadière
- Centre d'Immunologie et des Maladies Infectieuses, INSERM UMR 1135, Paris, France
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26
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Bechara R, Feray A, Pallardy M. Drug and Chemical Allergy: A Role for a Specific Naive T-Cell Repertoire? Front Immunol 2021; 12:653102. [PMID: 34267746 PMCID: PMC8276071 DOI: 10.3389/fimmu.2021.653102] [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: 01/13/2021] [Accepted: 06/15/2021] [Indexed: 01/11/2023] Open
Abstract
Allergic reactions to drugs and chemicals are mediated by an adaptive immune response involving specific T cells. During thymic selection, T cells that have not yet encountered their cognate antigen are considered naive T cells. Due to the artificial nature of drug/chemical-T-cell epitopes, it is not clear whether thymic selection of drug/chemical-specific T cells is a common phenomenon or remains limited to few donors or simply does not exist, suggesting T-cell receptor (TCR) cross-reactivity with other antigens. Selection of drug/chemical-specific T cells could be a relatively rare event accounting for the low occurrence of drug allergy. On the other hand, a large T-cell repertoire found in multiple donors would underline the potential of a drug/chemical to be recognized by many donors. Recent observations raise the hypothesis that not only the drug/chemical, but also parts of the haptenated protein or peptides may constitute the important structural determinants for antigen recognition by the TCR. These observations may also suggest that in the case of drug/chemical allergy, the T-cell repertoire results from particular properties of certain TCR to recognize hapten-modified peptides without need for previous thymic selection. The aim of this review is to address the existence and the role of a naive T-cell repertoire in drug and chemical allergy. Understanding this role has the potential to reveal efficient strategies not only for allergy diagnosis but also for prediction of the immunogenic potential of new chemicals.
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Affiliation(s)
- Rami Bechara
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, United States
| | - Alexia Feray
- Inflammation, Microbiome and Immunosurveillance, Université Paris-Saclay, INSERM, Châtenay-Malabry, France
| | - Marc Pallardy
- Inflammation, Microbiome and Immunosurveillance, Université Paris-Saclay, INSERM, Châtenay-Malabry, France
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27
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Li N, Torres MB, Spetz MR, Wang R, Peng L, Tian M, Dower CM, Nguyen R, Sun M, Tai CH, de Val N, Cachau R, Wu X, Hewitt SM, Kaplan RN, Khan J, St Croix B, Thiele CJ, Ho M. CAR T cells targeting tumor-associated exons of glypican 2 regress neuroblastoma in mice. Cell Rep Med 2021; 2:100297. [PMID: 34195677 PMCID: PMC8233664 DOI: 10.1016/j.xcrm.2021.100297] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 02/21/2021] [Accepted: 05/10/2021] [Indexed: 01/05/2023]
Abstract
Targeting solid tumors must overcome several major obstacles, in particular, the identification of elusive tumor-specific antigens. Here, we devise a strategy to help identify tumor-specific epitopes. Glypican 2 (GPC2) is overexpressed in neuroblastoma. Using RNA sequencing (RNA-seq) analysis, we show that exon 3 and exons 7-10 of GPC2 are expressed in cancer but are minimally expressed in normal tissues. Accordingly, we discover a monoclonal antibody (CT3) that binds exons 3 and 10 and visualize the complex structure of CT3 and GPC2 by electron microscopy. The potential of this approach is exemplified by designing CT3-derived chimeric antigen receptor (CAR) T cells that regress neuroblastoma in mice. Genomic sequencing of T cells recovered from mice reveals the CAR integration sites that may contribute to CAR T cell proliferation and persistence. These studies demonstrate how RNA-seq data can be exploited to help identify tumor-associated exons that can be targeted by CAR T cell therapies.
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MESH Headings
- Animals
- Antibodies, Monoclonal/chemistry
- Antibodies, Monoclonal/genetics
- Antibodies, Monoclonal/metabolism
- Antibodies, Monoclonal/pharmacology
- Cell Line, Tumor
- Cell Proliferation
- Exons
- Female
- Gene Expression
- Glypicans/antagonists & inhibitors
- Glypicans/chemistry
- Glypicans/genetics
- Glypicans/immunology
- Humans
- Immunotherapy, Adoptive/methods
- Mice
- Mice, Nude
- Models, Molecular
- Nervous System Neoplasms/genetics
- Nervous System Neoplasms/mortality
- Nervous System Neoplasms/pathology
- Nervous System Neoplasms/therapy
- Neuroblastoma/genetics
- Neuroblastoma/mortality
- Neuroblastoma/pathology
- Neuroblastoma/therapy
- Protein Binding
- Protein Conformation
- Receptors, Antigen, T-Cell/genetics
- Receptors, Antigen, T-Cell/immunology
- Receptors, Chimeric Antigen/genetics
- Receptors, Chimeric Antigen/immunology
- Sequence Analysis, RNA
- Survival Analysis
- T-Lymphocytes/immunology
- T-Lymphocytes/metabolism
- Tumor Burden
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Nan Li
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Madeline B. Torres
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Madeline R. Spetz
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Ruixue Wang
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Luyi Peng
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Meijie Tian
- Genetics Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Christopher M. Dower
- Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
| | - Rosa Nguyen
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Ming Sun
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Chin-Hsien Tai
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Natalia de Val
- Center for Molecular Microscopy, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21702, USA
- Cancer Research Technology Program, Leidos Biomedical Research, Inc., Frederick, MD 21702, USA
| | - Raul Cachau
- Data Science and Information Technology Program, Leidos Biomedical Research, Frederick, MD 21702, USA
| | - Xiaolin Wu
- Cancer Research Technology Program, Leidos Biomedical Research, Inc., Frederick, MD 21702, USA
| | - Stephen M. Hewitt
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Rosandra N. Kaplan
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Javed Khan
- Genetics Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Brad St Croix
- Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
| | - Carol J. Thiele
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Mitchell Ho
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
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Okada R, Furusawa A, Vermeer DW, Inagaki F, Wakiyama H, Kato T, Nagaya T, Choyke PL, Spanos WC, Allen CT, Kobayashi H. Near-infrared photoimmunotherapy targeting human-EGFR in a mouse tumor model simulating current and future clinical trials. EBioMedicine 2021; 67:103345. [PMID: 33933782 PMCID: PMC8102756 DOI: 10.1016/j.ebiom.2021.103345] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 03/31/2021] [Accepted: 04/01/2021] [Indexed: 11/25/2022] Open
Abstract
Background near-infrared photoimmunotherapy (NIR-PIT) is a cancer treatment that uses antibody-photoabsorber (IRDye700DX, IR700) conjugates (APCs) which bind to target cells and are photoactivated by NIR light inducing rapid necrotic cell death. NIR-PIT targeting human epidermal growth factor receptor (hEGFR) has been shown to destroy hEGFR expressing human tumor cells and to be effective in immunodeficient mouse models. NIR-PIT can also be targeted to cells in the tumor microenvironment, for instance, CD25-targeted NIR-PIT can be used to selectively deplete regulatory T cells (Tregs) within a tumor. The aim of this study was to evaluate the combined therapeutic efficacy of hEGFR and CD25-targeted NIR-PIT in a newly established hEGFR expressing murine oropharyngeal cell line (mEERL-hEGFR). Methods panitumumab conjugated with IR700 (pan-IR700) was used as the cancer cell-directed component of NIR-PIT and anti-CD25-F(ab′)2-IR700 was used as the tumor microenvironment-directed component of NIR-PIT. Efficacy was evaluated using tumor-bearing mice in four groups: (1) non-treatment group (control), (2) pan-IR700 based NIR-PIT (pan-PIT), (3) anti-CD25-F(ab′)2-IR700 based NIR-PIT (CD25-PIT), (4) combined NIR-PIT with pan-IR700 and anti-CD25- F(ab′)2-IR700 (combined PIT). Findings the combined PIT group showed the greatest inhibition of tumor growth. Destruction of cancer cells likely leads to an immune response which is amplified by the loss of Tregs in the tumor microenvironment. Interpretation combined hEGFR and CD25-targeted NIR-PIT is a promising treatment for hEGFR expressing cancers in which Treg cells play an immunosuppressive role.
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Affiliation(s)
- Ryuhei Okada
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, United States
| | - Aki Furusawa
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, United States
| | - Daniel W Vermeer
- Cancer Biology Research Center, Sanford Research, Sioux Falls, SD 57104, United States
| | - Fuyuki Inagaki
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, United States
| | - Hiroaki Wakiyama
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, United States
| | - Takuya Kato
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, United States
| | - Tadanobu Nagaya
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, United States
| | - Peter L Choyke
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, United States
| | - William C Spanos
- Cancer Biology Research Center, Sanford Research, Sioux Falls, SD 57104, United States; Department of Surgery, University of South Dakota Sanford School of Medicine, Sioux Falls, SD 57105, United States
| | - Clint T Allen
- Translational Tumor Immunology Program, National Institute on Deafness and Other Communication Disorders, National Institutes of Health, Bethesda, MD 20892, United States
| | - Hisataka Kobayashi
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, United States.
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29
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Gartner MJ, Gorry PR, Tumpach C, Zhou J, Dantanarayana A, Chang JJ, Angelovich TA, Ellenberg P, Laumaea AE, Nonyane M, Moore PL, Lewin SR, Churchill MJ, Flynn JK, Roche M. Longitudinal analysis of subtype C envelope tropism for memory CD4 + T cell subsets over the first 3 years of untreated HIV-1 infection. Retrovirology 2020; 17:24. [PMID: 32762760 PMCID: PMC7409430 DOI: 10.1186/s12977-020-00532-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 07/27/2020] [Indexed: 12/14/2022] Open
Abstract
Background HIV-1 infects a wide range of CD4+ T cells with different phenotypic properties and differing expression levels of entry coreceptors. We sought to determine the viral tropism of subtype C (C-HIV) Envelope (Env) clones for different CD4+ T cell subsets and whether tropism changes during acute to chronic disease progression. HIV-1 envs were amplified from the plasma of five C-HIV infected women from three untreated time points; less than 2 months, 1-year and 3-years post-infection. Pseudoviruses were generated from Env clones, phenotyped for coreceptor usage and CD4+ T cell subset tropism was measured by flow cytometry. Results A total of 50 C-HIV envs were cloned and screened for functionality in pseudovirus infection assays. Phylogenetic and variable region characteristic analysis demonstrated evolution in envs between time points. We found 45 pseudoviruses were functional and all used CCR5 to mediate entry into NP2/CD4/CCR5 cells. In vitro infection assays showed transitional memory (TM) and effector memory (EM) CD4+ T cells were more frequently infected (median: 46% and 25% of total infected CD4+ T cells respectively) than naïve, stem cell memory, central memory and terminally differentiated cells. This was not due to these subsets contributing a higher proportion of the CD4+ T cell pool, rather these subsets were more susceptible to infection (median: 5.38% EM and 2.15% TM cells infected), consistent with heightened CCR5 expression on EM and TM cells. No inter- or intra-participant changes in CD4+ T cell subset tropism were observed across the three-time points. Conclusions CD4+ T cell subsets that express more CCR5 were more susceptible to infection with C-HIV Envs, suggesting that these may be the major cellular targets during the first 3 years of infection. Moreover, we found that viral tropism for different CD4+ T cell subsets in vitro did not change between Envs cloned from acute to chronic disease stages. Finally, central memory, naïve and stem cell memory CD4+ T cell subsets were susceptible to infection, albeit inefficiently by Envs from all time-points, suggesting that direct infection of these cells may help establish the latent reservoir early in infection.
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Affiliation(s)
- Matthew J Gartner
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Melbourne, VIC, Australia.,The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, VIC, Australia
| | - Paul R Gorry
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Melbourne, VIC, Australia
| | - Carolin Tumpach
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, VIC, Australia
| | - Jingling Zhou
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Melbourne, VIC, Australia
| | - Ashanti Dantanarayana
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, VIC, Australia
| | - J Judy Chang
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, VIC, Australia
| | - Thomas A Angelovich
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Melbourne, VIC, Australia.,Life Sciences, Burnet Institute, Melbourne, VIC, Australia
| | - Paula Ellenberg
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, VIC, Australia
| | - Annemarie E Laumaea
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Melbourne, VIC, Australia.,Département de Microbiologie, Infectiologie et Immunologie, Université de Montréal, Montreal, QC, Canada
| | - Molati Nonyane
- Centre for HIV and STIs, National Institute for Communicable Diseases (NICD) of the National Health Laboratory Service (NHLS), Johannesburg, South Africa
| | - Penny L Moore
- Centre for HIV and STIs, National Institute for Communicable Diseases (NICD) of the National Health Laboratory Service (NHLS), Johannesburg, South Africa.,Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.,Centre for the AIDS Programme of Research in South Africa (CAPRISA), University of KwaZulu-Natal, Durban, South Africa
| | - Sharon R Lewin
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, VIC, Australia.,Department of Infectious Diseases, Monash University and Alfred Hospital, Melbourne, Australia
| | - Melissa J Churchill
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Melbourne, VIC, Australia
| | - Jacqueline K Flynn
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Melbourne, VIC, Australia. .,The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, VIC, Australia. .,School of Clinical Sciences, Monash University, Melbourne, VIC, Australia.
| | - Michael Roche
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Melbourne, VIC, Australia. .,The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, VIC, Australia.
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30
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Modulation of Determinant Factors to Improve Therapeutic Combinations with Immune Checkpoint Inhibitors. Cells 2020; 9:cells9071727. [PMID: 32707692 PMCID: PMC7408477 DOI: 10.3390/cells9071727] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 07/07/2020] [Accepted: 07/14/2020] [Indexed: 01/06/2023] Open
Abstract
Immune checkpoint inhibitors (ICPi) have shown their superiority over conventional therapies to treat some cancers. ICPi are effective against immunogenic tumors. However, patients with tumors poorly infiltrated with immune cells do not respond to ICPi. Combining ICPi with other anticancer therapies such as chemotherapy, radiation, or vaccines, which can stimulate the immune system and recruit antitumor T cells into the tumor bed, may be a relevant strategy to increase the proportion of responding patients. Such an approach still raises the following questions: What are the immunological features modulated by immunogenic therapies that can be critical to ensure not only immediate but also long-lasting tumor protection? How must the combined treatments be administered to the patients to harness their full potential while limiting adverse immunological events? Here, we address these points by reviewing how immunogenic anticancer therapies can provide novel therapeutic opportunities upon combination with ICPi. We discuss their ability to create a permissive tumor microenvironment through the generation of inflamed tumors and stimulation of memory T cells such as resident (TRM) and stem-cell like (TSCM) cells. We eventually underscore the importance of sequence, dose, and duration of the combined anticancer therapies to design optimal and successful cancer immunotherapy strategies.
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31
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Preferential Homing of Tumor-specific and Functional CD8+ Stem Cell-like Memory T Cells to the Bone Marrow. J Immunother 2020; 42:197-207. [PMID: 31145231 PMCID: PMC6587217 DOI: 10.1097/cji.0000000000000273] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Supplemental Digital Content is available in the text. The bone marrow (BM) harbors not only hematopoietic stem cells but also conventional memory T and B cells. Studies of BM-resident memory T cells have revealed the complex relationship between BM and immunologic memory. In the present study, we identified CD122high stem cells antigen-1 (Sca-1)high, B-cell lymphoma protein-2 (Bcl-2)high, CD8+ stem cell-like memory T cells (TSCMs) as a distinct memory T-cell subset preferentially residing in the BM, where these cells respond vigorously to blood-borne antigens. We found that the most TSCMs favorably relocate to the BM by adhesion molecules such as vascular cell adhesion protein 1, P-selectin glycoprotein 1, and P-selectin or E-selectin. Moreover, the BM-resident TSCMs exhibited much higher levels of antitumor activity than the spleen-resident TSCMs. These results indicate that the BM provides an appropriate microenvironment for the survival of CD8+ TSCMs, thereby broadening our knowledge of the memory maintenance of antigen-specific CD8+ T lymphocytes. The present findings are expected to be instructive for the development of tumor immunotherapy.
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32
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Flow Cytometry Analysis to Identify Human CD8 + T Cells. Methods Mol Biol 2019. [PMID: 31396924 DOI: 10.1007/978-1-4939-9728-2_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2023]
Abstract
Flow cytometry is a powerful technique allowing multiparameter detection and quantification of single cells or particles including cell size, granularity, cell components (DNA, mRNA), surface receptors, intracellular proteins, and signaling events. The flow cytometer operates via three main systems: the fluidics, optics, and electronics, which work together to analyze the physical and chemical properties of your sample. The first system, the fluidics, transports your sample in a single stream through the instrument, from the sample tube, pass the lasers, and is either sorted for further experiments or discarded into the waste vessel. The second system, the optical system, is composed of a series of lasers; for excitation of your sample and attached fluorescence antibodies as it passes, a series of lenses; and a detector system. The third system is the electronic component, which enables the photocurrent from the detector system to be changed into electronic pulses to be processed by a computer and analyzed by flow cytometry software. Flow cytometry is thus a powerful technique, which is commonly used to determine the expression of cell surface markers and intracellular molecules to define cells into different populations by fluorescently labeled antibodies.The staining procedure outlined below creates a single-cell suspension for staining with a panel of flow cytometry antibodies, which target different surface markers, to identify an array of cell types. After staining the sample is loaded into the flow cytometer, where the fluorescently labeled cells are excited as they pass by the laser emitting light at various wavelengths which are detected by the flow cytometer. Each fluorescent antibody has its own excitation and emission spectrum allowing the use of multiple antibodies. However, the emission spectrums of different fluorochromes can overlap each other, called spectral overlap. Thus, it is important to have good compensation controls to eliminate any antibody spillover.The staining methods from this technique can be used for different cell types by changing the surface marker targeted by the flow antibody. It is also important to use knowledge of the density of surface molecule for detection and brightness of fluorochrome to guide antibody selection and also to titrate all antibodies prior to use.This chapter's protocol has been designed specifically for detection of human CD8+ T cells defining the activation status of the cells by surface marker phenotyping.
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Jimbo K, Konuma T, Watanabe E, Kohara C, Mizukami M, Nagai E, Oiwa-Monna M, Mizusawa M, Isobe M, Kato S, Takahashi S, Tojo A. T memory stem cells after allogeneic haematopoietic cell transplantation: unique long-term kinetics and influence of chronic graft-versus-host disease. Br J Haematol 2019; 186:866-878. [PMID: 31135974 DOI: 10.1111/bjh.15995] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Accepted: 04/11/2019] [Indexed: 12/21/2022]
Abstract
T memory stem cells (TSCMs) are a subset of primitive T cells capable of both self-renewal and differentiation into all subsets of memory and effector T cells. Therefore, TSCMs may play a role in immune reconstitution and graft-versus-host disease (GVHD) in patients receiving allogeneic haematopoietic cell transplantation (HCT). We conducted a cross-sectional study to evaluate the proportions, absolute counts, phenotypes and functions of TSCMs in 152 adult patients without disease recurrence at least 12 months after undergoing HCT. CD4+ TSCMs were negatively correlated with number of months after transplantation in HCT patients that received cord blood transplantation, but not in patients that received bone marrow transplantation or peripheral blood stem cell transplantation. The proportions and absolute counts of CD4+ TSCMs and expression levels of inducible co-stimulator (ICOS) in CD8+ TSCMs were significantly higher in patients with mild and moderate/severe cGVHD compared to patients without cGVHD. These data suggested that, more than 12 months after allogeneic HCT, the kinetics of CD4+ TSCMs were dependent on the type of donor source, and further that CD4+ TSCMs and ICOS levels in CD8+ TSCMs were associated with cGVHD.
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Affiliation(s)
- Koji Jimbo
- Department of Haematology/Oncology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Takaaki Konuma
- Department of Haematology/Oncology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Eri Watanabe
- Department of IMSUT Clinical Flow Cytometry Laboratory, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Chisato Kohara
- Department of Haematology/Oncology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Motoko Mizukami
- Department of Laboratory Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Etsuko Nagai
- Department of Laboratory Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Maki Oiwa-Monna
- Department of Haematology/Oncology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Mai Mizusawa
- Department of Haematology/Oncology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Masamichi Isobe
- Department of Haematology/Oncology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Seiko Kato
- Department of Haematology/Oncology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Satoshi Takahashi
- Department of Haematology/Oncology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Arinobu Tojo
- Department of Haematology/Oncology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
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34
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Kuznetsova M, Lopatnikova J, Shevchenko J, Silkov A, Maksyutov A, Sennikov S. Cytotoxic Activity and Memory T Cell Subset Distribution of in vitro-Stimulated CD8 + T Cells Specific for HER2/neu Epitopes. Front Immunol 2019; 10:1017. [PMID: 31143180 PMCID: PMC6520647 DOI: 10.3389/fimmu.2019.01017] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 04/23/2019] [Indexed: 12/16/2022] Open
Abstract
Minimal residual disease remaining after resection of primary tumors can lead to tumor recurrence and metastasis, increasing mortality and morbidity rates among cancer patients. Thus, there is a need for new technologies for recognition and elimination of single cancer cells remaining in a patient's body after radiation therapy, chemotherapy, or surgical resection. Effector CD8+ T cells, also commonly known as cytotoxic T lymphocytes (CTLs), play a key role in antitumor cellular immunity and, when properly activated, are able to effectively destroy tumor cells. The aims of this study were to obtain CD8+ CTLs specific for the HER2/neu epitopes E75 and E88 and to assess the cytotoxic activity and composition of these cells in terms of the distribution of memory T-cell subsets. We obtained HER2-specific CD8+ T cells and assessed T cell subset distribution among them including naive T cells (TN), central memory T cells (TCM), effector memory T cells (TEM), stem cell-like memory T cells (TSCM) and terminally-differentiated T cells (TEMRA) via eight-color flow cytometry. HER2-specific CTLs were largely (~40–50%) represented by TSCM cells, a population capable of mounting pronounced antitumor immune responses due to a combination of effector function and self-maintenance. In comparison with activated peripheral blood mononuclear cells (PBMCs) and bulk CD8+ T cells, HER2-specific CTLs exhibited greater cytotoxicity against the HER2-expressing human breast adenocarcinoma cell line MCF-7 and produced higher levels of IFN-γ in response to tumor cells. We also showed the presence of HER2-specific CTLs in healthy individuals and increase in them in HER2-positive breast cancer patients. Collectively, our results suggest that HER2-specific CD8+ T cells isolated using this approach could be used for adoptive T-cell transfer to eliminate tumor cells and prevent metastasis and relapse in patients with HER2-overexpressing cancers.
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Affiliation(s)
- Maria Kuznetsova
- Laboratory of Molecular Immunology, State Budgetary Scientific Institution Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Julia Lopatnikova
- Laboratory of Molecular Immunology, State Budgetary Scientific Institution Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Julia Shevchenko
- Laboratory of Molecular Immunology, State Budgetary Scientific Institution Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Alexander Silkov
- Laboratory of Molecular Immunology, State Budgetary Scientific Institution Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Amir Maksyutov
- Laboratory of Molecular Immunology, State Budgetary Scientific Institution Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia.,State Research Center of Virology and Biotechnology VECTOR, Koltsovo, Novosibirsk, Russia
| | - Sergey Sennikov
- Laboratory of Molecular Immunology, State Budgetary Scientific Institution Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
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35
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Hof J, Kok K, Sijmons RH, de Jong KP. Systematic Review of the Prognostic Role of the Immune System After Surgery of Colorectal Liver Metastases. Front Oncol 2019; 9:148. [PMID: 30941301 PMCID: PMC6433783 DOI: 10.3389/fonc.2019.00148] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 02/21/2019] [Indexed: 12/11/2022] Open
Abstract
Background: The current prognostication of patient survival after surgery for colorectal liver metastases is based on clinical characteristics, but low accuracy makes it difficult to guide treatment for the individual patient. Rapidly evolving technologies have led to the expectation that biomarkers will be able to outperform the current clinical scoring systems and provide more effective personalised treatment. Two main topics prevail in cancer treatment, namely the role of the immune system and the prediction and prognostication by application of high-throughput methodology. The aim of this review is to examine the evidence for prognostic immunological and molecular markers studied in tumour tissue obtained at surgical resection for colorectal liver metastases. Methods: First we analysed immunophenotypical protein markers, that are mainly studied by immunohistochemistry. Second, we review molecular markers by analysing high-throughput studies on tumour mRNA and microRNA expression. Results: CD3, CD4, and CD8 are the most frequently studied protein markers. High intra-tumoural CD3+ T cell infiltration and low CXCR4 expression have the best association with favourable patient survival. Studies that analysed microRNA or mRNA expression data showed very little overlap in prognostic genes. Conclusions: Patient prognostication after surgery for colorectal liver metastases by analysing the immune system remains difficult. Current data are based on diverse and heterogeneous patient populations which prohibits drawing firm conclusions.
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Affiliation(s)
- Joost Hof
- Department of Hepato-Pancreato-Biliary Surgery and Liver Transplantation, University Medical Center Groningen, University of Groningen, Groningen, Netherlands.,Department of Genetics, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Klaas Kok
- Department of Genetics, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Rolf H Sijmons
- Department of Genetics, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Koert P de Jong
- Department of Hepato-Pancreato-Biliary Surgery and Liver Transplantation, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
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36
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Sarkar I, Pati S, Dutta A, Basak U, Sa G. T-memory cells against cancer: Remembering the enemy. Cell Immunol 2019; 338:27-31. [PMID: 30928016 DOI: 10.1016/j.cellimm.2019.03.002] [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: 03/01/2019] [Accepted: 03/14/2019] [Indexed: 12/24/2022]
Abstract
BACKGROUND Recently various types of immunotherapies have made immense progress in combating cancer. Adoptive cell therapy, being one of the most favorable forms of immunotherapy, is rapidly moving from bench to bed. MAIN BODY Different types of T-memory cells are being used as promising candidates for adoptive cell therapy: T effector memory (TEM) cells which are terminally differentiated memory cells and attain effector function soon after re-stimulation; T central memory (TCM) cells which differentiate into effector T-memory subsets and T-effector cells after antigenic stimulation; and tissue T resident memory (TRM) cells which fight the tumor insult at the peripheral tissues. Recently, a new subtype of T-memory cells, T stem cell memory (TSCM) have been identified as the most favorable candidate for adoptive cell therapy as they exhibit higher persistence, anti-tumor immunity and self-renewal capacity in the tumor-bearing host. CONCLUSION In this review, we briefly describe the concept and types of T-memory cells as well as their role as potential candidates for anti-cancer immunotherapy.
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Affiliation(s)
- Irene Sarkar
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata 700054, India
| | - Subhadip Pati
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata 700054, India
| | - Abhishek Dutta
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata 700054, India
| | - Udit Basak
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata 700054, India
| | - Gaurisankar Sa
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata 700054, India.
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Cao J, Zhang C, Han X, Cheng H, Chen W, Qi K, Qiao J, Sun Z, Wu Q, Zeng L, Niu M, Li L, Xu K. Emerging role of stem cell memory-like T cell in immune thrombocytopenia. Scand J Immunol 2019; 89:e12739. [PMID: 30506564 DOI: 10.1111/sji.12739] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 11/23/2018] [Accepted: 11/26/2018] [Indexed: 12/24/2022]
Affiliation(s)
- Jiang Cao
- Department of Hematology; The Affiliated Hospital of Xuzhou Medical University; Xuzhou China
| | - Changxiao Zhang
- Department of Endocrinology; Xuzhou City Hospital of Traditional Chinese Medicine; Xuzhou China
| | - Xiao Han
- Department of Hematology; The Affiliated Hospital of Xuzhou Medical University; Xuzhou China
| | - Hai Cheng
- Department of Hematology; The Affiliated Hospital of Xuzhou Medical University; Xuzhou China
| | - Wei Chen
- Department of Hematology; The Affiliated Hospital of Xuzhou Medical University; Xuzhou China
| | - Kunming Qi
- Department of Hematology; The Affiliated Hospital of Xuzhou Medical University; Xuzhou China
| | - Jianlin Qiao
- Jiangsu Bone Marrow Stem Cell Institute; Xuzhou China
| | - Zengtian Sun
- Jiangsu Bone Marrow Stem Cell Institute; Xuzhou China
| | - Qingyun Wu
- Jiangsu Bone Marrow Stem Cell Institute; Xuzhou China
| | - Lingyu Zeng
- Jiangsu Bone Marrow Stem Cell Institute; Xuzhou China
| | - Mingshan Niu
- Jiangsu Bone Marrow Stem Cell Institute; Xuzhou China
| | - Li Li
- Department of Gastroenterology; The Affiliated Hospital of Xuzhou Medical University; Xuzhou China
| | - Kailin Xu
- Department of Hematology; The Affiliated Hospital of Xuzhou Medical University; Xuzhou China
- Jiangsu Bone Marrow Stem Cell Institute; Xuzhou China
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38
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Yan L, Liu B. Critical factors in chimeric antigen receptor-modified T-cell (CAR-T) therapy for solid tumors. Onco Targets Ther 2018; 12:193-204. [PMID: 30636882 PMCID: PMC6309774 DOI: 10.2147/ott.s190336] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The success of chimeric antigen receptor-modified T-cell (CAR-T) therapy for B-cell lymphocyte malignancies targeting CD19 places it in a rapidly growing field in cancer immunotherapy for both hematological and solid tumors. However, the two types of tumor are quite different in the following respects. Solid tumors are characterized by complex vasculatures and matrix barriers that significantly affect T-cell functions and migration. Moreover, various immunosuppressive molecules expressed in the tumor microenvironment can impede T-cell activation, and the high metabolic rate of tumors competitively suppresses the metabolism of immune cells. All these factors will exert their influences on the development of a cancer, which is a dynamic balance between the host's immune system and the tumor. At present, solid tumors are treated primarily by surgical resection combined with radiotherapy and chemotherapy, a treatment process that is painful and not always effective. With advantages over traditional treatments, the recently developed CAR-T immunotherapy has been applied and has shown highly promising results. Nevertheless, the complexity of solid tumors presents a great challenge to this technique. This review focuses on elucidating the factors influencing the anti-tumor effects of CAR-T in the specific tumor environment, and hence exploring feasible approaches to overcome them.
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Affiliation(s)
- Lingli Yan
- Department of Immunology, Zunyi Medical University, Zunyi, Guizhou, China,
| | - Bainan Liu
- Department of Immunology, Zunyi Medical University, Zunyi, Guizhou, China,
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Guan L, Li X, Wei J, Liang Z, Yang J, Weng X, Wu X. Antigen-specific CD8+ memory stem T cells generated from human peripheral blood effectively eradicate allogeneic targets in mice. Stem Cell Res Ther 2018; 9:337. [PMID: 30526661 PMCID: PMC6286512 DOI: 10.1186/s13287-018-1080-1] [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: 05/01/2018] [Revised: 11/12/2018] [Accepted: 11/19/2018] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND As the implantation and long-term existence of tumor-specific T cells in host are the prerequisite for adoptive immunotherapy, memory stem T cells (TSCM) with self-renewal and differentiation capacity show the greatest potential to implant and long-term exhibit function in vivo, compared with other T cells of differentiation stages. Hence, tumor-specific TSCM have become potential candidate for adoptive T cell therapy of cancer. Here, we reported a protocol to generate allogeneic antigen-specific CD8+ TSCM cells from human PBLs. METHODS To prepare allogeneic antigen-specific CD8+ TSCM, we used an LCL named E007 of defined HLA allotyping as simulator, a co-culture of E007 and allogeneic PBLs was carried out in the presence of differentiation inhibitor TWS119 for 7 days. Sorting of proliferation cells ensured the E007-specificity of the prepared TSCM cells. The sorted lymphocytes underwent further expansion by cytokines IL-7 and IL-15 for further 7 days, making the E007-specific CD8 + TSCM expanded in number. The stem cell and T memory cell properties of the prepared CD8+ TSCM were observed in NOD-SCID mice. RESULTS Our protocol began with 1 × 107 PBLs and resulted in 2 × 107 E007-specific CD8+ TSCM cells in 2 weeks of preparation. The prepared TSCM cells exhibited a proliferative history and rapid differentiation into effector cells upon the E007 re-stimulation. Importantly, the prepared TSCM cells were able to exist long and reconstitute other T cell subsets in vivo, eradicating the E007 cells effectively after transferred into the LCL burden mice. CONCLUSIONS This protocol was able to prepare allogeneic antigen-specific CD8+ TSCM cells from human PBLs. The prepared TSCM showed the properties of stem cells and T memory cells. This study provided a reference method for generation of antigen-specific TSCM for T cell adoptive immunotherapy.
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Affiliation(s)
- Liping Guan
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Rd, Wuhan, 430030, China
| | - Xiaoyi Li
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Rd, Wuhan, 430030, China
| | - Jiali Wei
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Rd, Wuhan, 430030, China
| | - Zhihui Liang
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Rd, Wuhan, 430030, China
| | - Jing Yang
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Rd, Wuhan, 430030, China
| | - Xiufang Weng
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Rd, Wuhan, 430030, China.
| | - Xiongwen Wu
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Rd, Wuhan, 430030, China.
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Mathews DV, Dong Y, Higginbotham LB, Kim SC, Breeden CP, Stobert EA, Jenkins J, Tso JY, Larsen CP, Adams AB. CD122 signaling in CD8+ memory T cells drives costimulation-independent rejection. J Clin Invest 2018; 128:4557-4572. [PMID: 30222140 DOI: 10.1172/jci95914] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Accepted: 07/31/2018] [Indexed: 12/30/2022] Open
Abstract
Interrupting T cell costimulatory signals as a strategy to control undesired immune responses, such as occur in autoimmunity or transplantation, has the potential to alleviate many of the unwanted side effects associated with current immunosuppressive therapies. Belatacept, a high-affinity version of CTLA4-Ig that blocks ligand ligation to CD28, has been approved for use in kidney transplant recipients. Despite the long-term benefits associated with its use, such as improved renal function and lower cardiovascular risk, a subset of patients treated with belatacept experience elevated rates of acute T cell-mediated rejection, tempering enthusiasm for its use. Here we demonstrate that costimulation-independent T cell alloreactivity relies on signaling through CD122, the shared IL-2 and IL-15 receptor β-chain. Combined costimulatory and CD122 blockade improved survival of transplanted tissue in mice and nonhuman primates by controlling proliferation and effector function of CD8+ T cells. The high-affinity IL-2 receptor was dispensable for memory CD8+ T cell responses, whereas signaling through CD122 as a component of the high-affinity IL-15 receptor was critical for costimulation-independent memory CD8+ T cell recall, distinguishing specific roles for IL-2 and IL-15 in T cell activation. These studies outline a novel approach for clinical optimization of costimulatory blockade strategies in transplantation by targeting CD122.
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Affiliation(s)
- David V Mathews
- Emory Transplant Center, Emory University, Atlanta, Georgia, USA
| | - Ying Dong
- Emory Transplant Center, Emory University, Atlanta, Georgia, USA
| | | | - Steven C Kim
- Emory Transplant Center, Emory University, Atlanta, Georgia, USA
| | | | | | | | - J Yun Tso
- JN Biosciences, Mountain View, California, USA
| | - Christian P Larsen
- Emory Transplant Center, Emory University, Atlanta, Georgia, USA.,Yerkes National Primate Center, Atlanta, Georgia, USA
| | - Andrew B Adams
- Emory Transplant Center, Emory University, Atlanta, Georgia, USA.,Yerkes National Primate Center, Atlanta, Georgia, USA
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Sabzevary-Ghahfarokhi M, Shirzad H, Rafieian-Kopaei M, Ghatreh-Samani M, Shohan M. The Role of Inflammatory Cytokines in Creating T Cell Exhaustion in Cancer. Cancer Biother Radiopharm 2018; 33:267-273. [DOI: 10.1089/cbr.2018.2449] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Affiliation(s)
- Milad Sabzevary-Ghahfarokhi
- Department of Microbiology and Immunology, Faculty of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Hedayatollah Shirzad
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mahmoud Rafieian-Kopaei
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mahdi Ghatreh-Samani
- Cellular and Molecular Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mojtaba Shohan
- Department of Microbiology and Immunology, Faculty of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran
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Ratajczak W, Niedźwiedzka-Rystwej P, Tokarz-Deptuła B, Deptuła W. Immunological memory cells. Cent Eur J Immunol 2018; 43:194-203. [PMID: 30135633 PMCID: PMC6102609 DOI: 10.5114/ceji.2018.77390] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 02/16/2018] [Indexed: 02/03/2023] Open
Abstract
This article reviews immunological memory cells, currently represented by T and B lymphocytes and natural killer (NK) cells, which determine a rapid and effective response against a second encounter with the same antigen. Among T lymphocytes, functions of memory cells are provided by their subsets: central memory, effector memory, tissue-resident memory, regulatory memory and stem memory T cells. Memory T and B lymphocytes have an essential role in the immunity against microbial pathogens but are also involved in autoimmunity and maternal-fetal tolerance. Furthermore, the evidence of immunological memory has been established for NK cells. NK cells can respond to haptens or viruses, which results in generation of antigen-specific memory cells. T, B and NK cells, which have a role in immunological memory, have been characterized phenotypically and functionally. During the secondary immune response, these cells are involved in the reaction against foreign antigens, including pathogens, and take part in autoimmune diseases, but also are crucial to immunological tolerance and vaccine therapy.
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Affiliation(s)
- Weronika Ratajczak
- Scientific Circle of Microbiologists, Faculty of Biology, University of Szczecin, Szczecin, Poland
| | | | - Beata Tokarz-Deptuła
- Department of Immunology, Faculty of Biology, University of Szczecin, Szczecin, Poland
| | - Wiesław Deptuła
- Department of Microbiology, Faculty of Biology, University of Szczecin, Szczecin, Poland
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43
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Zheng W, O'Hear CE, Alli R, Basham JH, Abdelsamed HA, Palmer LE, Jones LL, Youngblood B, Geiger TL. PI3K orchestration of the in vivo persistence of chimeric antigen receptor-modified T cells. Leukemia 2018; 32:1157-1167. [PMID: 29479065 PMCID: PMC5943191 DOI: 10.1038/s41375-017-0008-6] [Citation(s) in RCA: 131] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 12/07/2017] [Accepted: 12/13/2017] [Indexed: 12/31/2022]
Abstract
In vivo persistence of chimeric antigen receptor (CAR)-modified T cells correlates with therapeutic efficacy, yet CAR-specific factors that support persistence are not well resolved. Using a CD33-specific CAR in an acute myeloid leukemia (AML) model, we show how CAR expression alters T cell differentiation in a ligand independent manner. Ex vivo expanded CAR-T cells demonstrated decreased naïve and stem memory populations and increased effector subsets relative to vector-transduced control cells. This was associated with reduced in vivo persistence. Decreased persistence was not due to specificity or tumor presence, but to pre-transfer tonic signaling through the CAR CD3ζ ITAMs. We identified activation of the PI3K pathway in CD33 CAR-T cells as responsible. Treatment with a PI3K inhibitor modulated the differentiation program of CAR-T cells, preserved a less differentiated state without affecting T cell expansion, and improved in vivo persistence and reduced tumor burden. These results resolve mechanisms by which tonic signaling of CAR-T cells modulates their fate, and identifies a novel pharmacologic approach to enhance the durability of CAR-T cells for immunotherapy.
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Affiliation(s)
- Wenting Zheng
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Carol E O'Hear
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
- Genentech, Inc., South San Francisco, CA, USA
| | - Rajshekhar Alli
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Jacob H Basham
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Hossam A Abdelsamed
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Lance E Palmer
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Lindsay L Jones
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Ben Youngblood
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Terrence L Geiger
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA.
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Sun H, Geng W, Cui H, Liang G, Fu Y, Zhang Z, Jiang Y, Ding H, Xu J, Shang H. Alteration of CCR6 +CD95 +CD4 + naïve T cells in HIV-1 infected patients: Implication for clinical practice. Cell Immunol 2018; 327:47-53. [PMID: 29454646 DOI: 10.1016/j.cellimm.2018.02.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Accepted: 02/09/2018] [Indexed: 01/10/2023]
Abstract
The profound deficiency of Th17 cells contributes to HIV disease progression. The mechanisms of their perturbation remain unclear. Recently, CCR6+CD95+CD4+ naïve T cells (CCR6+CD95+CD4+ TNA), identified as pre-committed Th17 precursors, were recognized as a subpopulation of CD4+ T cells with stem cell properties. Following phenotypical identification, we evaluated their level in patients during chronic HIV infection and following antiretroviral therapy (ART) using flow cytometry. The levels of CCR6+CD95+CD4+ TNA were decreased during chronic HIV infection and correlated with CD4+ T cell counts. Immunological responders harbored higher frequency of CCR6+CD95+CD4+ TNA, which was associated with CD4/CD8 T cell ratio. Immunological non-responders with lower frequency of CCR6+CD95+CD4+ TNA failed to exhibit a correlation between CCR6+CD95+CD4+ TNA and CCR6+CD95+CD4+ TCM, and displayed elevated ratio of CCR6+CD95+CD4+ TCM/TNA. The number of CCR6+CD95+CD4+ TNA was increased following early ART. These findings shed light on the importance of targeting pre-committed Th17 precursors that enhance immune reconstitution.
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Affiliation(s)
- Hong Sun
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, 79 Qingchun Street, Hangzhou 310003, China
| | - Wenqing Geng
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, 79 Qingchun Street, Hangzhou 310003, China
| | - Hualu Cui
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, 79 Qingchun Street, Hangzhou 310003, China
| | - Guoxin Liang
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, 79 Qingchun Street, Hangzhou 310003, China
| | - Yajing Fu
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, 79 Qingchun Street, Hangzhou 310003, China
| | - Zining Zhang
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, 79 Qingchun Street, Hangzhou 310003, China
| | - Yongjun Jiang
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, 79 Qingchun Street, Hangzhou 310003, China
| | - Haibo Ding
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, 79 Qingchun Street, Hangzhou 310003, China
| | - Junjie Xu
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, 79 Qingchun Street, Hangzhou 310003, China
| | - Hong Shang
- Key Laboratory of AIDS Immunology of National Health and Family Planning Commission, Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang 110001, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, 79 Qingchun Street, Hangzhou 310003, China.
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Tsukumo SI, Yasutomo K. Regulation of CD8 + T Cells and Antitumor Immunity by Notch Signaling. Front Immunol 2018; 9:101. [PMID: 29441071 PMCID: PMC5797591 DOI: 10.3389/fimmu.2018.00101] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 01/12/2018] [Indexed: 11/13/2022] Open
Abstract
Cancer immunosurveillance is critical for the elimination of neoplastic cells. In addition, recent advances in immunological checkpoint blockade drugs have revealed the importance of the immune system in cancer treatment. As a component of the immune system, CD8+ T cells have important roles in suppressing tumors. CD8+ T cells can kill tumor cells with cytotoxic molecules, such as granzymes and perforin. IFNγ, which is produced by CD8+ T cells, can increase the expression of MHC class I antigens by tumor cells, thereby rendering them better targets for CD8+ T cells. IFNγ also has crucial functions in enhancing the antitumor abilities of other immune cells. Therefore, it has been hypothesized that antitumor immunity could be improved by modulating the activity of CD8+ T cells. The Notch pathway regulates CD8+ T cells in multiple ways. It directly upregulates mRNA expression of granzyme B and perforin, enhances differentiation toward short-lived effector cells, and maintains memory T cells. Intriguingly, CD8+ T cell-specific Notch2 deletion impairs antitumor immunity, whereas the stimulation of the Notch pathway can increase tumor suppression. In this review, we will summarize the roles of the Notch pathway in CD8+ T cells and discuss issues and implications for its use in antitumor immunity.
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Affiliation(s)
- Shin-Ichi Tsukumo
- Department of Immunology and Parasitology, Graduate School of Medicine, Tokushima University, Tokushima, Japan
| | - Koji Yasutomo
- Department of Immunology and Parasitology, Graduate School of Medicine, Tokushima University, Tokushima, Japan
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Priesner C, Aleksandrova K, Esser R, Mockel-Tenbrinck N, Leise J, Drechsel K, Marburger M, Quaiser A, Goudeva L, Arseniev L, Kaiser AD, Glienke W, Koehl U. Automated Enrichment, Transduction, and Expansion of Clinical-Scale CD62L + T Cells for Manufacturing of Gene Therapy Medicinal Products. Hum Gene Ther 2018; 27:860-869. [PMID: 27562135 PMCID: PMC5035932 DOI: 10.1089/hum.2016.091] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Multiple clinical studies have demonstrated that adaptive immunotherapy using redirected T cells against advanced cancer has led to promising results with improved patient survival. The continuously increasing interest in those advanced gene therapy medicinal products (GTMPs) leads to a manufacturing challenge regarding automation, process robustness, and cell storage. Therefore, this study addresses the proof of principle in clinical-scale selection, stimulation, transduction, and expansion of T cells using the automated closed CliniMACS® Prodigy system. Naïve and central memory T cells from apheresis products were first immunomagnetically enriched using anti-CD62L magnetic beads and further processed freshly (n = 3) or split for cryopreservation and processed after thawing (n = 1). Starting with 0.5 × 108 purified CD3+ T cells, three mock runs and one run including transduction with green fluorescent protein (GFP)-containing vector resulted in a median final cell product of 16 × 108 T cells (32-fold expansion) up to harvesting after 2 weeks. Expression of CD62L was downregulated on T cells after thawing, which led to the decision to purify CD62L+CD3+ T cells freshly with cryopreservation thereafter. Most important in the split product, a very similar expansion curve was reached comparing the overall freshly CD62L selected cells with those after thawing, which could be demonstrated in the T cell subpopulations as well by showing a nearly identical conversion of the CD4/CD8 ratio. In the GFP run, the transduction efficacy was 83%. In-process control also demonstrated sufficient glucose levels during automated feeding and medium removal. The robustness of the process and the constant quality of the final product in a closed and automated system give rise to improve harmonized manufacturing protocols for engineered T cells in future gene therapy studies.
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Affiliation(s)
- Christoph Priesner
- 1 Cellular Therapy Center, Institute of Cellular Therapeutics , Hannover Medical School, Hannover, Germany
| | - Krasimira Aleksandrova
- 1 Cellular Therapy Center, Institute of Cellular Therapeutics , Hannover Medical School, Hannover, Germany
| | - Ruth Esser
- 2 GMP Development Unit, Institute of Cellular Therapeutics , Integrated Research and Treatment Center for Transplantation, Hannover Medical School, Hannover, Germany
| | | | - Jana Leise
- 1 Cellular Therapy Center, Institute of Cellular Therapeutics , Hannover Medical School, Hannover, Germany
| | | | - Michael Marburger
- 2 GMP Development Unit, Institute of Cellular Therapeutics , Integrated Research and Treatment Center for Transplantation, Hannover Medical School, Hannover, Germany
| | - Andrea Quaiser
- 2 GMP Development Unit, Institute of Cellular Therapeutics , Integrated Research and Treatment Center for Transplantation, Hannover Medical School, Hannover, Germany
| | - Lilia Goudeva
- 4 Institute of Transfusion Medicine , Hannover Medical School, Hannover, Germany
| | - Lubomir Arseniev
- 1 Cellular Therapy Center, Institute of Cellular Therapeutics , Hannover Medical School, Hannover, Germany
| | | | - Wolfgang Glienke
- 2 GMP Development Unit, Institute of Cellular Therapeutics , Integrated Research and Treatment Center for Transplantation, Hannover Medical School, Hannover, Germany
| | - Ulrike Koehl
- 1 Cellular Therapy Center, Institute of Cellular Therapeutics , Hannover Medical School, Hannover, Germany.,2 GMP Development Unit, Institute of Cellular Therapeutics , Integrated Research and Treatment Center for Transplantation, Hannover Medical School, Hannover, Germany
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Khan S, Telwatte S, Trapecar M, Yukl S, Sanjabi S. Differentiating Immune Cell Targets in Gut-Associated Lymphoid Tissue for HIV Cure. AIDS Res Hum Retroviruses 2017; 33:S40-S58. [PMID: 28882067 PMCID: PMC5685216 DOI: 10.1089/aid.2017.0153] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The single greatest challenge to an HIV cure is the persistence of latently infected cells containing inducible, replication-competent proviral genomes, which constitute only a small fraction of total or infected cells in the body. Although resting CD4+ T cells in the blood are a well-known source of viral rebound, more than 90% of the body's lymphocytes reside elsewhere. Many are in gut tissue, where HIV DNA levels per million CD4+ T cells are considerably higher than in the blood. Despite the significant contribution of gut tissue to viral replication and persistence, little is known about the cell types that support persistence of HIV in the gut; importantly, T cells in the gut have phenotypic, functional, and survival properties that are distinct from T cells in other tissues. The mechanisms by which latency is established and maintained will likely depend on the location and cytokine milieu surrounding the latently infected cells in each compartment. Therefore, successful HIV cure strategies require identification and characterization of the exact cell types that support viral persistence, particularly in the gut. In this review, we describe the seeding of the latent HIV reservoir in the gut mucosa; highlight the evidence for compartmentalization and depletion of T cells; summarize the immunologic consequences of HIV infection within the gut milieu; propose how the damaged gut environment may promote the latent HIV reservoir; and explore several immune cell targets in the gut and their place on the path toward HIV cure.
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Affiliation(s)
- Shahzada Khan
- Gladstone Institute of Virology and Immunology, Gladstone Institutes, San Francisco, California
| | - Sushama Telwatte
- San Francisco VA Health Care System and University of California, San Francisco (UCSF), San Francisco, California
| | - Martin Trapecar
- Gladstone Institute of Virology and Immunology, Gladstone Institutes, San Francisco, California
| | - Steven Yukl
- San Francisco VA Health Care System and University of California, San Francisco (UCSF), San Francisco, California
| | - Shomyseh Sanjabi
- Gladstone Institute of Virology and Immunology, Gladstone Institutes, San Francisco, California
- Department of Microbiology and Immunology, University of California, San Francisco, San Francisco, California
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Memory CD4 + T cell subsets in tumor draining lymph nodes of breast cancer patients: A focus on T stem cell memory cells. Cell Oncol (Dordr) 2017; 41:1-11. [PMID: 28994018 DOI: 10.1007/s13402-017-0352-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/12/2017] [Indexed: 10/18/2022] Open
Abstract
BACKGROUND The compartments of memory T cells play a fundamental role in the immune system by substantiating specific and acquired immunity. A new subset of memory cells, T stem cell memory (TSCM) cells, with stem cell-like properties, a high capacity to proliferate, a long survival, and an ability to differentiate into all effector and memory cells has recently been introduced. In the present study, we aimed to determine the frequency of CD4+ TSCM and other T memory cell subsets in tumor draining lymph nodes of breast cancer patients. MATERIALS AND METHODS Mononuclear cells were obtained from axillary lymph nodes of 52 untreated patients with breast cancer (BC) and stained with fluorochrome conjugated anti-CD4, -CCR7, -CD45RO and -CD95 antibodies to detect different subtypes of memory cells in CD4+ lymphocyte populations. Data were acquired using a four-color FACSCalibur flow cytometer and analyzed using CellQuest Pro software. RESULTS We found that >70% of CD4+ lymphocytes in draining lymph nodes of BC patients exhibited a memory phenotype of which 7.04 ± 1.04% had a TSCM phenotype (CD4+CCR7+CD45RO-CD95+). The frequency of TSCM cells was significantly higher in tumor positive lymph nodes compared to tumor negative lymph nodes (p = 0.026) as well as among those patients who had at least one affected lymph node (p = 0.012). Moreover, we found that the total frequency of central memory T cells (TCM) with a low expression of CD45RO was significantly higher among these patients. The percentage of CD45ROLow TCM cells was also found to increase with tumor progression from stage I to stage III (p = 0.020). On the other hand, we found that the percentage of CD95Hi effector memory T cells (TEM) was significantly decreased in involved lymph nodes (p = 0.009). CONCLUSION Our data suggest that following long-term exposure to putative tumor antigens, TSCM cells proliferate to generate a pool of committed memory and effector T cells. As the tumor progresses, the immunosuppressive milieu induced by tumor cells may slow down the differentiation of CD45ROLow TCM cells to more functional sub-populations.
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Negera E, Bobosha K, Walker SL, Endale B, Howe R, Aseffa A, Dockrell HM, Lockwood DN. New Insight into the Pathogenesis of Erythema Nodosum Leprosum: The Role of Activated Memory T-Cells. Front Immunol 2017; 8:1149. [PMID: 28966621 PMCID: PMC5605646 DOI: 10.3389/fimmu.2017.01149] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Accepted: 08/31/2017] [Indexed: 12/14/2022] Open
Abstract
Memory T-cells, particularly, effector memory T cells are implicated in the pathogenesis of inflammatory diseases and may contribute to tissue injury and disease progression. Although erythema nodosum leprosum (ENL) is an inflammatory complication of leprosy, the role of memory T cell subsets has never been studied in this patient group. The aim of this study was at investigate the kinetics of memory T cell subsets in patients with ENL before and after prednisolone treatment. A case–control study design was used to recruit 35 untreated patients with ENL and 25 non-reactional lepromatous leprosy (LL) patient controls at ALERT Hospital, Ethiopia. Venous blood samples were obtained before, during, and after treatment from each patient. Peripheral blood mononuclear cells (PBMCs) were isolated and used for immunophenotyping of T cell activation and memory T-cell subsets by flow cytometry. The kinetics of these immune cells in patients with ENL before and after treatment were compared with LL patient controls as well as within ENL cases at different time points. The median percentage of CD3+, CD4+, and CD8+ T-cells expressing activated T-cells were significantly higher in the PBMCs from patients with ENL than from LL patient controls before treatment. The median percentage of central and activated memory T-cells was significantly increased in patients with ENL compared to LL patient controls before treatment. Interestingly, patients with ENL had a lower percentage of naïve T cells (27.7%) compared to LL patient controls (59.5%) (P < 0.0001) before treatment. However, after prednisolone treatment, patients with ENL had a higher median percentage of naïve T-cells (43.0%) than LL controls (33.0%) (P < 0.001). The median percentage of activated T-cells (effector memory and effector T-cells) was significantly increased in patients with ENL (59.2%) before treatment compared to after treatment with prednisolone (33.9%) (P < 0.005). This is the first work which has shown T-cell activation and the different subsets of memory T cells in untreated patients with ENL. Consequently, this study delineates the role of T-cell activation in the pathogenesis of ENL reaction and challenges the long-standing dogma of immune complex as a sole etiology of ENL reaction.
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Affiliation(s)
- Edessa Negera
- London School of Hygiene and Tropical Medicine, Faculty of Infectious Diseases, London, United Kingdom.,Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Kidist Bobosha
- Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Stephen L Walker
- London School of Hygiene and Tropical Medicine, Faculty of Infectious Diseases, London, United Kingdom
| | | | - Rawleigh Howe
- Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Abraham Aseffa
- Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Hazel M Dockrell
- London School of Hygiene and Tropical Medicine, Faculty of Infectious Diseases, London, United Kingdom
| | - Diana N Lockwood
- London School of Hygiene and Tropical Medicine, Faculty of Infectious Diseases, London, United Kingdom
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Wu S, Zhu W, Peng Y, Wang L, Hong Y, Huang L, Dong D, Xie J, Merchen T, Kruse E, Guo ZS, Bartlett D, Fu N, He Y. The Antitumor Effects of Vaccine-Activated CD8 + T Cells Associate with Weak TCR Signaling and Induction of Stem-Like Memory T Cells. Cancer Immunol Res 2017; 5:908-919. [PMID: 28851693 DOI: 10.1158/2326-6066.cir-17-0016] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 05/02/2017] [Accepted: 08/22/2017] [Indexed: 02/04/2023]
Abstract
To understand why vaccine-activated tumor-specific T cells often fail to generate antitumor effects, we studied two α-fetoprotein-specific CD8+ T cells (Tet499 and Tet212) that had different antitumor effects. We found that Tet499 required high antigen doses for reactivation, but could survive persistent antigen stimulation and maintain their effector functions. In contrast, Tet212 had a low threshold of reactivation, but underwent exhaustion and apoptosis in the presence of persistent antigen. In vivo, Tet499 cells expanded more than Tet212 upon reencountering antigen and generated stronger antitumor effects. The different antigen responsiveness and antitumor effects of Tet212 and Tet499 cells correlated with their activation and differentiation states. Compared with Tet212, the population of Tet499 cells was less activated and contained more stem-like memory T cells (Tscm) that could undergo expansion in vivo The TCR signaling strength on Tet499 was weaker than Tet212, correlating with more severe Tet499 TCR downregulation. Weak TCR signaling may halt T-cell differentiation at the Tscm stage during immune priming and also explains why Tet499 reactivation requires a high antigen dose. Weak TCR signaling of Tet499 cells in the effector stage will also protect them from exhaustion and apoptosis when they reencounter persistent antigen in tumor lesion, which generates antitumor effects. Further investigation of TCR downregulation and manipulation of TCR signaling strength may help design cancer vaccines to elicit a mix of tumor-specific CD8+ T cells, including Tscm, capable of surviving antigen restimulation to generate antitumor effects. Cancer Immunol Res; 5(10); 908-19. ©2017 AACR.
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Affiliation(s)
- Sha Wu
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, Georgia.,Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Wei Zhu
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, Georgia.,Division of Laboratory Medicine of Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Yibing Peng
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, Georgia
| | - Lan Wang
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, Georgia
| | - Yuan Hong
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, Georgia
| | - Lei Huang
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, Georgia
| | - Dayong Dong
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, Georgia
| | - Junping Xie
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, Georgia
| | - Todd Merchen
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, Georgia.,Department of Surgery, Medical College of Georgia, Augusta University, Augusta, Georgia
| | - Edward Kruse
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, Georgia.,Department of Surgery, Medical College of Georgia, Augusta University, Augusta, Georgia
| | - Zong Sheng Guo
- University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania
| | - David Bartlett
- University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania
| | - Ning Fu
- Division of Laboratory Medicine of Zhujiang Hospital, Southern Medical University, Guangzhou, China.
| | - Yukai He
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, Georgia. .,Department of Medicine, Medical College of Georgia, Augusta University, Augusta, Georgia
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