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Zhou X, Renauer PA, Zhou L, Fang SY, Chen S. Applications of CRISPR technology in cellular immunotherapy. Immunol Rev 2023; 320:199-216. [PMID: 37449673 PMCID: PMC10787818 DOI: 10.1111/imr.13241] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 06/07/2023] [Indexed: 07/18/2023]
Abstract
CRISPR technology has transformed multiple fields, including cancer and immunology. CRISPR-based gene editing and screening empowers direct genomic manipulation of immune cells, opening doors to unbiased functional genetic screens. These screens aid in the discovery of novel factors that regulate and reprogram immune responses, offering novel drug targets. The engineering of immune cells using CRISPR has sparked a transformation in the cellular immunotherapy field, resulting in a multitude of ongoing clinical trials. In this review, we discuss the development and applications of CRISPR and related gene editing technologies in immune cells, focusing on functional genomics screening, gene editing-based cell therapies, as well as future directions in this rapidly advancing field.
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Affiliation(s)
- Xiaoyu Zhou
- Department of Genetics, Yale University School of Medicine, New Haven, CT, USA
- System Biology Institute, Yale University, West Haven, CT, USA
- Center for Cancer Systems Biology, Yale University, West Haven, CT, USA
| | - Paul A. Renauer
- Department of Genetics, Yale University School of Medicine, New Haven, CT, USA
- System Biology Institute, Yale University, West Haven, CT, USA
- Center for Cancer Systems Biology, Yale University, West Haven, CT, USA
| | - Liqun Zhou
- Department of Genetics, Yale University School of Medicine, New Haven, CT, USA
- System Biology Institute, Yale University, West Haven, CT, USA
- Center for Cancer Systems Biology, Yale University, West Haven, CT, USA
- Immunobiology Program, Yale University, New Haven, CT, USA
| | - Shao-Yu Fang
- Department of Genetics, Yale University School of Medicine, New Haven, CT, USA
- System Biology Institute, Yale University, West Haven, CT, USA
- Center for Cancer Systems Biology, Yale University, West Haven, CT, USA
| | - Sidi Chen
- Department of Genetics, Yale University School of Medicine, New Haven, CT, USA
- System Biology Institute, Yale University, West Haven, CT, USA
- Center for Cancer Systems Biology, Yale University, West Haven, CT, USA
- Immunobiology Program, Yale University, New Haven, CT, USA
- Department of Immunobiology, Yale University, New Haven, CT, USA
- Molecular Cell Biology, Genetics, and Development Program, Yale University, New Haven, CT, USA
- Comprehensive Cancer Center, Yale University School of Medicine, New Haven, CT, USA
- Stem Cell Center, Yale University School of Medicine, New Haven, CT, USA
- Center for Biomedical Data Science, Yale University School of Medicine, New Haven, CT, USA
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52
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Cui Y, Luo M, Gu C, He Y, Yao Y, Li P. CAR designs for solid tumors: overcoming hurdles and paving the way for effective immunotherapy. BIOPHYSICS REPORTS 2023; 9:279-297. [PMID: 38516299 PMCID: PMC10951476 DOI: 10.52601/bpr.2023.230020] [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: 10/17/2023] [Accepted: 11/28/2023] [Indexed: 03/23/2024] Open
Abstract
Chimeric antigen receptor T cell (CAR-T) therapy has revolutionized immunotherapy by modifying patients' immune cells genetically. By expressing CARs, these modified cells can specifically identify and eliminate tumor cells. The success of CAR-T therapy in hematological malignancies, such as leukemia and lymphoma, has been remarkable. Numerous studies have reported improved patient outcomes and increased survival rates. However, the application of CAR-T therapy in treating solid tumors faces significant challenges. Solid tumors possess complex microenvironments containing stromal cells, extracellular matrix components, and blood vessels. These factors can impede the infiltration and persistence of CAR-T cells within the tumor. Additionally, the lack of target antigens exclusively expressed on tumor cells raises concerns about off-target effects and potential toxicity. This review aims to discuss advancements achieved by CAR-T therapy in solid tumors and the clinical outcomes in the realm of solid tumors.
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Affiliation(s)
- Yuanbin Cui
- China-New Zealand Joint Laboratory of Biomedicine and Health, State Key Laboratory of Respiratory Disease, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Mintao Luo
- China-New Zealand Joint Laboratory of Biomedicine and Health, State Key Laboratory of Respiratory Disease, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Chuanyuan Gu
- China-New Zealand Joint Laboratory of Biomedicine and Health, State Key Laboratory of Respiratory Disease, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Yuxian He
- University of California San Diego, La Jolla, CA 92093-0021, USA
| | - Yao Yao
- China-New Zealand Joint Laboratory of Biomedicine and Health, State Key Laboratory of Respiratory Disease, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Peng Li
- China-New Zealand Joint Laboratory of Biomedicine and Health, State Key Laboratory of Respiratory Disease, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
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53
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Yang Z, Wang Y. Clinical development of chimeric antigen receptor-T cell therapy for hematological malignancies. Chin Med J (Engl) 2023; 136:2285-2296. [PMID: 37358555 PMCID: PMC10538902 DOI: 10.1097/cm9.0000000000002549] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Indexed: 06/27/2023] Open
Abstract
ABSTRACT Cellular therapies have revolutionized the treatment of hematological malignancies since their conception and rapid development. Chimeric antigen receptor (CAR)-T cell therapy is the most widely applied cellular therapy. Since the Food and Drug Administration approved two CD19-CAR-T products for clinical treatment of relapsed/refractory acute lymphoblastic leukemia and diffuse large B cell lymphoma in 2017, five more CAR-T cell products were subsequently approved for treating multiple myeloma or B cell malignancies. Moreover, clinical trials of CAR-T cell therapy for treating other hematological malignancies are ongoing. Both China and the United States have contributed significantly to the development of clinical trials. However, CAR-T cell therapy has many limitations such as a high relapse rate, adverse side effects, and restricted availability. Various methods are being implemented in clinical trials to address these issues, some of which have demonstrated promising breakthroughs. This review summarizes developments in CAR-T cell trials and advances in CAR-T cell therapy.
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Affiliation(s)
- Zhihuan Yang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology and Blood Diseases Hospital, Tianjin Key Laboratory of Cell Therapy for Blood Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China
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54
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Yun K, Siegler EL, Kenderian SS. Who wins the combat, CAR or TCR? Leukemia 2023; 37:1953-1962. [PMID: 37626090 DOI: 10.1038/s41375-023-01976-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 07/04/2023] [Accepted: 07/17/2023] [Indexed: 08/27/2023]
Abstract
Chimeric antigen receptor T (CAR-T) cell therapy has drawn increasing attention over the last few decades given its remarkable effectiveness and breakthroughs in treating B cell hematological malignancies. Even though CAR-T cell therapy has outstanding clinical successes, most treated patients still relapse after infusion. CARs are derived from the T cell receptor (TCR) complex and co-stimulatory molecules associated with T cell activation; however, the similarities and differences between CARs and endogenous TCRs regarding their sensitivity, signaling pathway, killing mechanisms, and performance are still not fully understood. In this review, we discuss the parallel comparisons between CARs and TCRs from various aspects and how these current findings might provide novel insights and contribute to improvement of CAR-T cell therapy efficacy.
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Affiliation(s)
- Kun Yun
- T Cell Engineering, Mayo Clinic, Rochester, MN, USA
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN, USA
- Mayo Clinic Graduate School of Biomedical Sciences, Rochester, MN, USA
| | - Elizabeth L Siegler
- T Cell Engineering, Mayo Clinic, Rochester, MN, USA
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
| | - Saad S Kenderian
- T Cell Engineering, Mayo Clinic, Rochester, MN, USA.
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN, USA.
- Mayo Clinic Graduate School of Biomedical Sciences, Rochester, MN, USA.
- Division of Hematology, Mayo Clinic, Rochester, MN, USA.
- Department of Immunology, Mayo Clinic, Rochester, MN, USA.
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55
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Davis L, Miller RE, Wong YNS. The Landscape of Adoptive Cellular Therapies in Ovarian Cancer. Cancers (Basel) 2023; 15:4814. [PMID: 37835509 PMCID: PMC10571827 DOI: 10.3390/cancers15194814] [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: 09/06/2023] [Revised: 09/24/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Abstract
Ovarian cancers are typically poorly immunogenic and have demonstrated disappointing responses to immune checkpoint inhibitor (ICI) therapy. Adoptive cellular therapy (ACT) offers an alternative method of harnessing the immune system that has shown promise, especially with the success of chimeric antigen receptor T-cell (CAR-T) therapy in haematologic malignancies. So far, ACT has led to modest results in the treatment of solid organ malignancies. This review explores the possibility of ACT as an effective alternative or additional treatment to current standards of care in ovarian cancer. We will highlight the potential of ACTs, such as CAR-T, T-cell receptor therapy (TCR-T), tumour-infiltrating lymphocytes (TILs) and cell-based vaccines, whilst also discussing their challenges. We will present clinical studies for these approaches in the treatment of immunologically 'cold' ovarian cancer and consider the rationale for future research.
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Affiliation(s)
- Lucy Davis
- Royal Free Hospital, London NW3 2QG, UK;
| | - Rowan E Miller
- Department of Medical Oncology, University College London Hospital, London NW1 3PG, UK;
- Department of Medical Oncology, St Bartholomew’s Hospital, London EC1A 7BE, UK
| | - Yien Ning Sophia Wong
- Royal Free Hospital, London NW3 2QG, UK;
- Department of Medical Oncology, University College London Hospital, London NW1 3PG, UK;
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Bonini C, Chapuis AG, Hudecek M, Guedan S, Magnani CF, Qasim W. Genome Editing in Engineered T Cells for Cancer Immunotherapy. Hum Gene Ther 2023; 34:853-869. [PMID: 37694593 PMCID: PMC10623081 DOI: 10.1089/hum.2023.128] [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: 08/01/2023] [Accepted: 09/10/2023] [Indexed: 09/12/2023] Open
Abstract
Advanced gene transfer technologies and profound immunological insights have enabled substantial increases in the efficacy of anticancer adoptive cellular therapy (ACT). In recent years, the U.S. Food and Drug Administration and European Medicines Agency have approved six engineered T cell therapeutic products, all chimeric antigen receptor-engineered T cells directed against B cell malignancies. Despite encouraging clinical results, engineered T cell therapy is still constrained by challenges, which could be addressed by genome editing. As RNA-guided Clustered Regularly Interspaced Short Palindromic Repeats technology passes its 10-year anniversary, we review emerging applications of genome editing approaches designed to (1) overcome resistance to therapy, including cancer immune evasion mechanisms; (2) avoid unwanted immune reactions related to allogeneic T cell products; (3) increase fitness, expansion capacity, persistence, and potency of engineered T cells, while preserving their safety profile; and (4) improve the ability of therapeutic cells to resist immunosuppressive signals active in the tumor microenvironment. Overall, these innovative approaches should widen the safe and effective use of ACT to larger number of patients affected by cancer.
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Affiliation(s)
- Chiara Bonini
- Experimental Hematology Unit, Division of Immunology, Transplantation and Infectious Diseases, IRCCS Ospedale San Raffaele Scientific Institute, Milan, Italy
| | - Aude G. Chapuis
- Program in Immunology, Division of Translational Sciences and Therapeutics, Fred Hutchinson Cancer Center, Seattle, Washington, USA
- Department of Oncology, University of Washington, Seattle, Washington, USA
| | - Michael Hudecek
- Lehrstuhl für Zelluläre Immuntherapie, Medizinische Klinik und Poliklinik II, Universitätsklinikum Würzburg, Würzburg, Germany
| | - Sonia Guedan
- Department of Hematology and Oncology, Hospital Clinic, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
| | - Chiara F. Magnani
- Department of Medical Oncology and Hematology, University Hospital Zurich and University of Zurich, Comprehensive Cancer Center Zurich (CCCZ), Zurich, Switzerland
| | - Waseem Qasim
- UCL Great Ormond Street Institute of Child Health, London, United Kingdom
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57
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Pont M, Marqués M, Sorolla MA, Parisi E, Urdanibia I, Morales S, Salud A, Sorolla A. Applications of CRISPR Technology to Breast Cancer and Triple Negative Breast Cancer Research. Cancers (Basel) 2023; 15:4364. [PMID: 37686639 PMCID: PMC10486929 DOI: 10.3390/cancers15174364] [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: 08/08/2023] [Accepted: 08/30/2023] [Indexed: 09/10/2023] Open
Abstract
Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) technology has transformed oncology research in many ways. Breast cancer is the most prevalent malignancy globally and triple negative breast cancer (TNBC) is one of the most aggressive subtypes with numerous challenges still to be faced. In this work, we have explained what CRISPR consists of and listed its applications in breast cancer while focusing on TNBC research. These are disease modelling, the search for novel genes involved in tumour progression, sensitivity to drugs and immunotherapy response, tumour fitness, diagnosis, and treatment. Additionally, we have listed the current delivery methods employed for the delivery of CRISPR systems in vivo. Lastly, we have highlighted the limitations that CRISPR technology is subject to and the future directions that we envisage. Overall, we have provided a round summary of the aspects concerning CRISPR in breast cancer/TNBC research.
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Affiliation(s)
- Mariona Pont
- Research Group of Cancer Biomarkers, Lleida Institute for Biomedical Research Dr. Pifarré Foundation (IRBLleida), Av. Alcalde Rovira Roure, 80, 25198 Lleida, Spain; (M.P.); (M.M.); (M.A.S.); (E.P.); (I.U.); (S.M.); (A.S.)
| | - Marta Marqués
- Research Group of Cancer Biomarkers, Lleida Institute for Biomedical Research Dr. Pifarré Foundation (IRBLleida), Av. Alcalde Rovira Roure, 80, 25198 Lleida, Spain; (M.P.); (M.M.); (M.A.S.); (E.P.); (I.U.); (S.M.); (A.S.)
| | - Maria Alba Sorolla
- Research Group of Cancer Biomarkers, Lleida Institute for Biomedical Research Dr. Pifarré Foundation (IRBLleida), Av. Alcalde Rovira Roure, 80, 25198 Lleida, Spain; (M.P.); (M.M.); (M.A.S.); (E.P.); (I.U.); (S.M.); (A.S.)
| | - Eva Parisi
- Research Group of Cancer Biomarkers, Lleida Institute for Biomedical Research Dr. Pifarré Foundation (IRBLleida), Av. Alcalde Rovira Roure, 80, 25198 Lleida, Spain; (M.P.); (M.M.); (M.A.S.); (E.P.); (I.U.); (S.M.); (A.S.)
| | - Izaskun Urdanibia
- Research Group of Cancer Biomarkers, Lleida Institute for Biomedical Research Dr. Pifarré Foundation (IRBLleida), Av. Alcalde Rovira Roure, 80, 25198 Lleida, Spain; (M.P.); (M.M.); (M.A.S.); (E.P.); (I.U.); (S.M.); (A.S.)
| | - Serafín Morales
- Research Group of Cancer Biomarkers, Lleida Institute for Biomedical Research Dr. Pifarré Foundation (IRBLleida), Av. Alcalde Rovira Roure, 80, 25198 Lleida, Spain; (M.P.); (M.M.); (M.A.S.); (E.P.); (I.U.); (S.M.); (A.S.)
- Department of Medical Oncology, Arnau de Vilanova University Hospital (HUAV), Av. Alcalde Rovira Roure, 80, 25198 Lleida, Spain
| | - Antonieta Salud
- Research Group of Cancer Biomarkers, Lleida Institute for Biomedical Research Dr. Pifarré Foundation (IRBLleida), Av. Alcalde Rovira Roure, 80, 25198 Lleida, Spain; (M.P.); (M.M.); (M.A.S.); (E.P.); (I.U.); (S.M.); (A.S.)
- Department of Medical Oncology, Arnau de Vilanova University Hospital (HUAV), Av. Alcalde Rovira Roure, 80, 25198 Lleida, Spain
- Department of Medicine, University of Lleida, Av. Alcalde Rovira Roure, 80, 25198 Lleida, Spain
| | - Anabel Sorolla
- Research Group of Cancer Biomarkers, Lleida Institute for Biomedical Research Dr. Pifarré Foundation (IRBLleida), Av. Alcalde Rovira Roure, 80, 25198 Lleida, Spain; (M.P.); (M.M.); (M.A.S.); (E.P.); (I.U.); (S.M.); (A.S.)
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Wei W, Chen ZN, Wang K. CRISPR/Cas9: A Powerful Strategy to Improve CAR-T Cell Persistence. Int J Mol Sci 2023; 24:12317. [PMID: 37569693 PMCID: PMC10418799 DOI: 10.3390/ijms241512317] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/28/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023] Open
Abstract
As an emerging treatment strategy for malignant tumors, chimeric antigen receptor T (CAR-T) cell therapy has been widely used in clinical practice, and its efficacy has been markedly improved in the past decade. However, the clinical effect of CAR-T therapy is not so satisfying, especially in solid tumors. Even in hematologic malignancies, a proportion of patients eventually relapse after receiving CAR-T cell infusions, owing to the poor expansion and persistence of CAR-T cells. Recently, CRISPR/Cas9 technology has provided an effective approach to promoting the proliferation and persistence of CAR-T cells in the body. This technology has been utilized in CAR-T cells to generate a memory phenotype, reduce exhaustion, and screen new targets to improve the anti-tumor potential. In this review, we aim to describe the major causes limiting the persistence of CAR-T cells in patients and discuss the application of CRISPR/Cas9 in promoting CAR-T cell persistence and its anti-tumor function. Finally, we investigate clinical trials for CRISPR/Cas9-engineered CAR-T cells for the treatment of cancer.
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Affiliation(s)
| | - Zhi-Nan Chen
- National Translational Science Center for Molecular Medicine & Department of Cell Biology, Fourth Military Medical University, Xi’an 710032, China;
| | - Ke Wang
- National Translational Science Center for Molecular Medicine & Department of Cell Biology, Fourth Military Medical University, Xi’an 710032, China;
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Stampone E, Bencivenga D, Capellupo MC, Roberti D, Tartaglione I, Perrotta S, Della Ragione F, Borriello A. Genome editing and cancer therapy: handling the hypoxia-responsive pathway as a promising strategy. Cell Mol Life Sci 2023; 80:220. [PMID: 37477829 PMCID: PMC10361942 DOI: 10.1007/s00018-023-04852-2] [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: 05/02/2023] [Revised: 06/14/2023] [Accepted: 06/29/2023] [Indexed: 07/22/2023]
Abstract
The precise characterization of oxygen-sensing pathways and the identification of pO2-regulated gene expression are both issues of critical importance. The O2-sensing system plays crucial roles in almost all the pivotal human processes, including the stem cell specification, the growth and development of tissues (such as embryogenesis), the modulation of intermediate metabolism (including the shift of the glucose metabolism from oxidative to anaerobic ATP production and vice versa), and the control of blood pressure. The solid cancer microenvironment is characterized by low oxygen levels and by the consequent activation of the hypoxia response that, in turn, allows a complex adaptive response characterized mainly by neoangiogenesis and metabolic reprogramming. Recently, incredible advances in molecular genetic methodologies allowed the genome editing with high efficiency and, above all, the precise identification of target cells/tissues. These new possibilities and the knowledge of the mechanisms of adaptation to hypoxia suggest the effective development of new therapeutic approaches based on the manipulation, targeting, and exploitation of the oxygen-sensor system molecular mechanisms.
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Affiliation(s)
- Emanuela Stampone
- Department of Precision Medicine, University of Campania "L. Vanvitelli", Via Luigi De Crecchio, 7, 80138, Naples, Italy
| | - Debora Bencivenga
- Department of Precision Medicine, University of Campania "L. Vanvitelli", Via Luigi De Crecchio, 7, 80138, Naples, Italy
| | - Maria Chiara Capellupo
- Department of Precision Medicine, University of Campania "L. Vanvitelli", Via Luigi De Crecchio, 7, 80138, Naples, Italy
| | - Domenico Roberti
- Department of the Woman, the Child and of the General and Specialty Surgery, University of Campania "L. Vanvitelli", Via Luigi De Crecchio, 2, 80138, Naples, Italy
| | - Immacolata Tartaglione
- Department of the Woman, the Child and of the General and Specialty Surgery, University of Campania "L. Vanvitelli", Via Luigi De Crecchio, 2, 80138, Naples, Italy
| | - Silverio Perrotta
- Department of the Woman, the Child and of the General and Specialty Surgery, University of Campania "L. Vanvitelli", Via Luigi De Crecchio, 2, 80138, Naples, Italy
| | - Fulvio Della Ragione
- Department of Precision Medicine, University of Campania "L. Vanvitelli", Via Luigi De Crecchio, 7, 80138, Naples, Italy.
| | - Adriana Borriello
- Department of Precision Medicine, University of Campania "L. Vanvitelli", Via Luigi De Crecchio, 7, 80138, Naples, Italy.
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60
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Khawar MB, Ge F, Afzal A, Sun H. From barriers to novel strategies: smarter CAR T therapy hits hard to tumors. Front Immunol 2023; 14:1203230. [PMID: 37520522 PMCID: PMC10375020 DOI: 10.3389/fimmu.2023.1203230] [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: 04/10/2023] [Accepted: 06/22/2023] [Indexed: 08/01/2023] Open
Abstract
Chimeric antigen receptor (CAR) T cell therapy for solid tumors shows promise, but several hurdles remain. Strategies to overcome barriers such as CAR T therapy-related toxicities (CTT), immunosuppression, and immune checkpoints through research and technology are needed to put the last nail to the coffin and offer hope for previously incurable malignancies. Herein we review current literature and infer novel strategies for the mitigation of CTT while impeding immune suppression, stromal barriers, tumor heterogeneity, on-target/off-tumor toxicities, and better transfection strategies with an emphasis on clinical research and prospects.
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Affiliation(s)
- Muhammad Babar Khawar
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-Coding RNA Research Yangzhou, Yangzhou, China
- Applied Molecular Biology and Biomedicine Lab, Department of Zoology, University of Narowal, Narowal, Pakistan
| | - Fei Ge
- Haian Hospital of Traditional Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nantong, Jiangsu, China
| | - Ali Afzal
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-Coding RNA Research Yangzhou, Yangzhou, China
| | - Haibo Sun
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-Coding RNA Research Yangzhou, Yangzhou, China
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61
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Snell D, Gunde T, Warmuth S, Chatterjee B, Brock M, Hess C, Johansson M, Simonin A, Spiga FM, Weinert C, Kirk N, Bassler N, Campos Carrascosa L, Flückiger N, Heiz R, Wagen S, Giezendanner N, Alberti A, Yaman Y, Mahler D, Diem D, Lichtlen P, Urech D. An engineered T-cell engager with selectivity for high mesothelin-expressing cells and activity in the presence of soluble mesothelin. Oncoimmunology 2023; 12:2233401. [PMID: 37456982 PMCID: PMC10339761 DOI: 10.1080/2162402x.2023.2233401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 06/13/2023] [Accepted: 07/02/2023] [Indexed: 07/18/2023] Open
Abstract
Mesothelin (MSLN) is an attractive immuno-oncology target, but the development of MSLN-targeting therapies has been impeded by tumor shedding of soluble MSLN (sMSLN), on-target off-tumor activity, and an immunosuppressive tumor microenvironment. We sought to engineer an antibody-based, MSLN-targeted T-cell engager (αMSLN/αCD3) with enhanced ability to discriminate high MSLN-expressing tumors from normal tissue, and activity in the presence of sMSLN. We also studied the in vivo antitumor efficacy of this molecule (NM28-2746) alone and in combination with the multifunctional checkpoint inhibitor/T-cell co-activator NM21-1480 (αPD-L1/α4-1BB). Cytotoxicity and T-cell activation induced by NM28-2746 were studied in co-cultures of peripheral blood mononuclear cells and cell lines exhibiting different levels of MSLN expression, including in the presence of soluble MSLN. Xenotransplant models of human pancreatic cancer were used to study the inhibition of tumor growth and stimulation of T-cell infiltration into tumors induced by NM28-2746 alone and in combination with NM21-1480. The bivalent αMSLN T-cell engager NM28-2746 potently induced T-cell activation and T-cell mediated cytotoxicity of high MSLN-expressing cells but had much lower potency against low MSLN-expressing cells. A monovalent counterpart of NM28-2746 had much lower ability to discriminate high MSLN-expressing from low MSLN-expressing cells. The bivalent molecule retained this discriminant ability in the presence of high concentrations of sMSLN. In xenograft models, NM28-2746 exhibited significant tumor suppressing activity, which was significantly enhanced by combination therapy with NM21-1480. NM28-2746, alone or in combination with NM21-1480, may overcome shortcomings of previous MSLN-targeted immuno-oncology drugs, exhibiting enhanced discrimination of high MSLN-expressing cell activity in the presence of sMSLN.
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Affiliation(s)
| | - Tea Gunde
- Numab Therapeutics AG, Horgen, Switzerland
| | | | | | | | | | | | | | | | | | - Niels Kirk
- Numab Therapeutics AG, Horgen, Switzerland
| | | | | | | | - Robin Heiz
- Numab Therapeutics AG, Horgen, Switzerland
| | | | | | | | | | | | - Dania Diem
- Numab Therapeutics AG, Horgen, Switzerland
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62
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Hosea R, Hillary S, Wu S, Kasim V. Targeting Transcription Factor YY1 for Cancer Treatment: Current Strategies and Future Directions. Cancers (Basel) 2023; 15:3506. [PMID: 37444616 DOI: 10.3390/cancers15133506] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 06/28/2023] [Accepted: 07/03/2023] [Indexed: 07/15/2023] Open
Abstract
Cancer represents a significant and persistent global health burden, with its impact underscored by its prevalence and devastating consequences. Whereas numerous oncogenes could contribute to cancer development, a group of transcription factors (TFs) are overactive in the majority of tumors. Targeting these TFs may also combat the downstream oncogenes activated by the TFs, making them attractive potential targets for effective antitumor therapeutic strategy. One such TF is yin yang 1 (YY1), which plays crucial roles in the development and progression of various tumors. In preclinical studies, YY1 inhibition has shown efficacy in inhibiting tumor growth, promoting apoptosis, and sensitizing tumor cells to chemotherapy. Recent studies have also revealed the potential of combining YY1 inhibition with immunotherapy for enhanced antitumor effects. However, clinical translation of YY1-targeted therapy still faces challenges in drug specificity and delivery. This review provides an overview of YY1 biology, its role in tumor development and progression, as well as the strategies explored for YY1-targeted therapy, with a focus on their clinical implications, including those using small molecule inhibitors, RNA interference, and gene editing techniques. Finally, we discuss the challenges and current limitations of targeting YY1 and the need for further research in this area.
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Affiliation(s)
- Rendy Hosea
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
- The 111 Project Laboratory of Biomechanics and Tissue Repair, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - Sharon Hillary
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
- The 111 Project Laboratory of Biomechanics and Tissue Repair, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - Shourong Wu
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
- The 111 Project Laboratory of Biomechanics and Tissue Repair, College of Bioengineering, Chongqing University, Chongqing 400044, China
- Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing University, Chongqing 400030, China
| | - Vivi Kasim
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
- The 111 Project Laboratory of Biomechanics and Tissue Repair, College of Bioengineering, Chongqing University, Chongqing 400044, China
- Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing University, Chongqing 400030, China
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63
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Dabiri H, Safarzadeh Kozani P, Habibi Anbouhi M, Mirzaee Godarzee M, Haddadi MH, Basiri M, Ziaei V, Sadeghizadeh M, Hajizadeh Saffar E. Site-specific transgene integration in chimeric antigen receptor (CAR) T cell therapies. Biomark Res 2023; 11:67. [PMID: 37403182 DOI: 10.1186/s40364-023-00509-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 06/09/2023] [Indexed: 07/06/2023] Open
Abstract
Chimeric antigen receptor (CAR) T cells and natural killer (NK) cells are genetically engineered immune cells that can detect target antigens on the surface of target cells and eliminate them following adoptive transfer. Recent progress in CAR-based therapies has led to outstanding clinical success in certain patients with leukemias and lymphomas and offered therapeutic benefits to those resistant to conventional therapies. The universal approach to stable CAR transgene delivery into the T/NK cells is the use of viral particles. Such approaches mediate semi-random transgene insertions spanning the entire genome with a high preference for integration into sites surrounding highly-expressed genes and active loci. Regardless of the variable CAR expression level based on the integration site of the CAR transgene, foreign integrated DNA fragments may affect the neighboring endogenous genes and chromatin structure and potentially change a transduced T/NK cell behavior and function or even favor cellular transformation. In contrast, site-specific integration of CAR constructs using recent genome-editing technologies could overcome the limitations and disadvantages of universal random gene integration. Herein, we explain random and site-specific integration of CAR transgenes in CAR-T/NK cell therapies. Also, we tend to summarize the methods for site-specific integration as well as the clinical outcomes of certain gene disruptions or enhancements due to CAR transgene integration. Also, the advantages and limitations of using site-specific integration methods are discussed in this review. Ultimately, we will introduce the genomic safe harbor (GSH) standards and suggest some appropriate safety prospects for CAR integration in CAR-T/NK cell therapies.
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Affiliation(s)
- Hamed Dabiri
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Pooria Safarzadeh Kozani
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | | | - Mohadeseh Mirzaee Godarzee
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | | | - Mohsen Basiri
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Vahab Ziaei
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran
| | - Majid Sadeghizadeh
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Ensiyeh Hajizadeh Saffar
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
- Advanced Therapy Medicinal Product Technology Development Center (ATMP-TDC), Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
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64
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Dabiri H, Safarzadeh Kozani P, Habibi Anbouhi M, Mirzaee Godarzee M, Haddadi MH, Basiri M, Ziaei V, Sadeghizadeh M, Hajizadeh Saffar E. Site-specific transgene integration in chimeric antigen receptor (CAR) T cell therapies. Biomark Res 2023; 11:67. [DOI: https:/doi.org/10.1186/s40364-023-00509-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 06/09/2023] [Indexed: 09/15/2023] Open
Abstract
AbstractChimeric antigen receptor (CAR) T cells and natural killer (NK) cells are genetically engineered immune cells that can detect target antigens on the surface of target cells and eliminate them following adoptive transfer. Recent progress in CAR-based therapies has led to outstanding clinical success in certain patients with leukemias and lymphomas and offered therapeutic benefits to those resistant to conventional therapies. The universal approach to stable CAR transgene delivery into the T/NK cells is the use of viral particles. Such approaches mediate semi-random transgene insertions spanning the entire genome with a high preference for integration into sites surrounding highly-expressed genes and active loci. Regardless of the variable CAR expression level based on the integration site of the CAR transgene, foreign integrated DNA fragments may affect the neighboring endogenous genes and chromatin structure and potentially change a transduced T/NK cell behavior and function or even favor cellular transformation. In contrast, site-specific integration of CAR constructs using recent genome-editing technologies could overcome the limitations and disadvantages of universal random gene integration. Herein, we explain random and site-specific integration of CAR transgenes in CAR-T/NK cell therapies. Also, we tend to summarize the methods for site-specific integration as well as the clinical outcomes of certain gene disruptions or enhancements due to CAR transgene integration. Also, the advantages and limitations of using site-specific integration methods are discussed in this review. Ultimately, we will introduce the genomic safe harbor (GSH) standards and suggest some appropriate safety prospects for CAR integration in CAR-T/NK cell therapies.
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65
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Hu C, Liu M, Li Y, Zhao Y, Sharma A, Liu H, Schmidt-Wolf IGH. Recent advances and future perspectives of CAR-T cell therapy in head and neck cancer. Front Immunol 2023; 14:1213716. [PMID: 37457699 PMCID: PMC10346844 DOI: 10.3389/fimmu.2023.1213716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 06/12/2023] [Indexed: 07/18/2023] Open
Abstract
Head and neck cancer (HNC) ranks as the sixth most prevalent type of cancer globally and accounts for about 4% of all types of cancer. Among all HNC, most are head and neck squamous cell carcinoma (HNSCC) with clinical therapies that include surgery, radiation therapy, chemotherapy, immunotherapy, targeted therapy, and multimodal treatments. In recent years, chimeric antigen receptor (CAR)-T cell immunotherapy has significantly transformed the therapeutic approaches for leukemia and lymphoma and has garnered increased attention as a potential treatment for a wide range of cancers. However, CAR-T immunotherapy in solid tumors, especially HNSCCs, lags significantly behind due to the paucity of tumor-specific antigens, high levels of tumor heterogeneity, immunosuppressive tumor microenvironment, the risk of treatment-related toxicities and off-target adverse events in HNSCCs. The objective of this review is to explore the advancement of CAR-T cell therapy in the treatment of HNSCCs. We aim to outline the targeted antigens in HNSCCs, highlight the challenges and potential solutions, and discuss the relevant combination therapies. Our review presents a comprehensive overview of the recent developments in CAR-T cell therapy for HNSCCs, and provides valuable insights into future research avenues.
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Affiliation(s)
- Chunmei Hu
- Department of Otolaryngology-Head and Neck Surgery, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Min Liu
- Department of Otolaryngology-Head and Neck Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Yutao Li
- Department of Integrated Oncology, Center for Integrated Oncology (CIO), University Hospital Bonn, Bonn, Germany
| | - Yi Zhao
- Department of Otolaryngology-Head and Neck Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Amit Sharma
- Department of Integrated Oncology, Center for Integrated Oncology (CIO), University Hospital Bonn, Bonn, Germany
- Department of Neurosurgery, University Hospital Bonn, Bonn, Germany
| | - Haotian Liu
- Department of Otolaryngology-Head and Neck Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Ingo G. H. Schmidt-Wolf
- Department of Integrated Oncology, Center for Integrated Oncology (CIO), University Hospital Bonn, Bonn, Germany
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Fraessle SP, Tschulik C, Effenberger M, Cletiu V, Gerget M, Schober K, Busch DH, Germeroth L, Stemberger C, Poltorak MP. Activation-inducible CAR expression enables precise control over engineered CAR T cell function. Commun Biol 2023; 6:604. [PMID: 37277433 DOI: 10.1038/s42003-023-04978-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 05/25/2023] [Indexed: 06/07/2023] Open
Abstract
CAR T cell therapy is a rapidly growing area of oncological treatments having a potential of becoming standard care for multiple indications. Coincidently, CRISPR/Cas gene-editing technology is entering next-generation CAR T cell product manufacturing with the promise of more precise and more controllable cell modification methodology. The intersection of these medical and molecular advancements creates an opportunity for completely new ways of designing engineered cells to help overcome current limitations of cell therapy. In this manuscript we present proof-of-concept data for an engineered feedback loop. We manufactured activation-inducible CAR T cells with the help of CRISPR-mediated targeted integration. This new type of engineered T cells expresses the CAR gene dependent on their activation status. This artifice opens new possibilities to regulate CAR T cell function both in vitro and in vivo. We believe that such a physiological control system can be a powerful addition to the currently available toolbox of next-generation CAR constructs.
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Affiliation(s)
- Simon P Fraessle
- Juno Therapeutics GmbH, a Bristol-Myers Squibb Company, Grillparzerstr. 10, 81675, Munich, Germany
| | - Claudia Tschulik
- Juno Therapeutics GmbH, a Bristol-Myers Squibb Company, Grillparzerstr. 10, 81675, Munich, Germany
| | - Manuel Effenberger
- Juno Therapeutics GmbH, a Bristol-Myers Squibb Company, Grillparzerstr. 10, 81675, Munich, Germany.
| | - Vlad Cletiu
- Juno Therapeutics GmbH, a Bristol-Myers Squibb Company, Grillparzerstr. 10, 81675, Munich, Germany
| | - Maria Gerget
- Juno Therapeutics GmbH, a Bristol-Myers Squibb Company, Grillparzerstr. 10, 81675, Munich, Germany
| | - Kilian Schober
- Institute for Medical Microbiology Immunology and Hygiene, Technical University of Munich, Munich, Germany
| | - Dirk H Busch
- Institute for Medical Microbiology Immunology and Hygiene, Technical University of Munich, Munich, Germany
| | - Lothar Germeroth
- Juno Therapeutics GmbH, a Bristol-Myers Squibb Company, Grillparzerstr. 10, 81675, Munich, Germany
| | - Christian Stemberger
- Juno Therapeutics GmbH, a Bristol-Myers Squibb Company, Grillparzerstr. 10, 81675, Munich, Germany
| | - Mateusz P Poltorak
- Juno Therapeutics GmbH, a Bristol-Myers Squibb Company, Grillparzerstr. 10, 81675, Munich, Germany
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67
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Hu Y, Zu C, Zhang M, Wei G, Li W, Fu S, Hong R, Zhou L, Wu W, Cui J, Wang D, Du B, Liu M, Zhang J, Huang H. Safety and efficacy of CRISPR-based non-viral PD1 locus specifically integrated anti-CD19 CAR-T cells in patients with relapsed or refractory Non-Hodgkin's lymphoma: a first-in-human phase I study. EClinicalMedicine 2023; 60:102010. [PMID: 37251628 PMCID: PMC10209187 DOI: 10.1016/j.eclinm.2023.102010] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 04/24/2023] [Accepted: 04/28/2023] [Indexed: 05/31/2023] Open
Abstract
Background Thus far, all approved chimeric antigen receptor (CAR)-T products are manufactured using modified viruses, which increases the risk of tumorigenesis, costs and production time. We aimed to evaluate the safety and efficacy of a kind of virus-free CAR-T cells (PD1-19bbz), in which an anti-CD19 CAR sequence is specifically integrated at the PD1 locus using clustered regularly interspaced short palindromic repeats (CRISPR)/Cas9, in adults with relapsed/refractory (r/r) B cell non-Hodgkin's lymphoma (B-NHL). Methods This single-arm phase I dose-escalation clinical trial evaluated PD1-19bbz in adult patients with r/r B-NHL from May 3rd 2020 to August 10th 2021. The patients were recruited and treated at the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China. Patients underwent leukapheresis and lymphodepleting chemotherapy before PD1-19bbz infusion. After the dose-escalation phase including three cohorts: 2 × 106/kg, 4 × 106/kg, 6 × 106/kg with three patients at each dose level, the optimal biological dose was determined to be 2 × 106/kg, which was then applied to an extended cohort of nine patients. The primary endpoint was the incidence of dose-limiting toxicities (DLT). The secondary endpoint was the response and survival. This trial was registered at www.clinicaltrials.gov as #NCT04213469. Findings Twenty-one patients received PD1-19bbz infusion. Among all treated patients, 19 (90%) patients were diagnosed with stage III or IV disease. Meanwhile, 19 (90%) were stratified as intermediate risk or worse. Of note, four participants had >50% programmed death ligand-1 (PD-L1) expression in pre-treatment tumour sample, including two with extremely high levels (∼80%). There was no DLT identified. Fourteen patients had low-grade (1-2) cytokine release syndrome and two patients received tocilizumab. Four patients experienced immune effector cell-associated neurotoxicity syndrome of grade 1-2. The most common adverse events were hematologic toxicities, including anaemia (n = 6), lymphocyte count decreased (n = 19), neutrophil count decreased (n = 17), white blood cell count decreased (n = 10), and platelet count decreased (n = 2). All patients had objective response and 18 patients reached complete response. At a median follow-up of 19.2 months, nine patients remained in remission, and the estimated median progression-free survival duration was 19.5 months (95% confidence interval: 9.9-infinity), with the median overall survival not reached. Interpretation In this first-in-human study of non-viral specifically integrated CAR-T products, PD1-19bbz exhibited promising efficacy with a manageable toxicity profile. A phase I/II trial of PD1-19bbz in a larger patient cohort is underway. Funding National Key R&D Program of China, National Natural Science Foundation of China, Key Project of Science and Technology Department of Zhejiang Province, Shanghai Zhangjiang National Independent Innovation Demonstration Area, Key Projects of Special Development Funds.
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Affiliation(s)
- Yongxian Hu
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China
- Institute of Haematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Cheng Zu
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China
- Institute of Haematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Mingming Zhang
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China
- Institute of Haematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Guoqing Wei
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China
- Institute of Haematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Wei Li
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
- BRL Medicine Inc., Shanghai, China
| | - Shan Fu
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China
- Institute of Haematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Ruimin Hong
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China
- Institute of Haematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Linghui Zhou
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China
- Institute of Haematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Wenjun Wu
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China
- Institute of Haematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Jiazhen Cui
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China
- Institute of Haematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Dongrui Wang
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China
- Institute of Haematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Bing Du
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
- BRL Medicine Inc., Shanghai, China
| | - Mingyao Liu
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
- BRL Medicine Inc., Shanghai, China
| | - Jiqin Zhang
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
- BRL Medicine Inc., Shanghai, China
| | - He Huang
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China
- Institute of Haematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
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Lauriola A, Davalli P, Marverti G, Santi S, Caporali A, D'Arca D. Targeting the Interplay of Independent Cellular Pathways and Immunity: A Challenge in Cancer Immunotherapy. Cancers (Basel) 2023; 15:cancers15113009. [PMID: 37296972 DOI: 10.3390/cancers15113009] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 05/19/2023] [Accepted: 05/28/2023] [Indexed: 06/12/2023] Open
Abstract
Immunotherapy is a cancer treatment that exploits the capacity of the body's immune system to prevent, control, and remove cancer. Immunotherapy has revolutionized cancer treatment and significantly improved patient outcomes for several tumor types. However, most patients have not benefited from such therapies yet. Within the field of cancer immunotherapy, an expansion of the combination strategy that targets independent cellular pathways that can work synergistically is predicted. Here, we review some consequences of tumor cell death and increased immune system engagement in the modulation of oxidative stress and ubiquitin ligase pathways. We also indicate combinations of cancer immunotherapies and immunomodulatory targets. Additionally, we discuss imaging techniques, which are crucial for monitoring tumor responses during treatment and the immunotherapy side effects. Finally, the major outstanding questions are also presented, and directions for future research are described.
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Affiliation(s)
- Angela Lauriola
- Department of Biotechnology, University of Verona, 37134 Verona, Italy
| | - Pierpaola Davalli
- Department of Biomedical, Metabolic and Neural Sciences, Via G. Campi 287, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Gaetano Marverti
- Department of Biomedical, Metabolic and Neural Sciences, Via G. Campi 287, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Spartaco Santi
- Consiglio Nazionale delle Ricerche (CNR) Institute of Molecular Genetics "Luigi Luca Cavalli-Sforza", 40136 Bologna, Italy
- IRCCS, Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
| | - Andrea Caporali
- BHF Centre for Cardiovascular Science, University of Edinburgh, Scotland EH4 2XU, UK
| | - Domenico D'Arca
- Department of Biomedical, Metabolic and Neural Sciences, Via G. Campi 287, University of Modena and Reggio Emilia, 41125 Modena, Italy
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69
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Akbari B, Soltantoyeh T, Shahosseini Z, Yarandi F, Hadjati J, Mirzaei HR. The inhibitory receptors PD1, Tim3, and A2aR are highly expressed during mesoCAR T cell manufacturing in advanced human epithelial ovarian cancer. Cancer Cell Int 2023; 23:104. [PMID: 37244991 DOI: 10.1186/s12935-023-02948-0] [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: 02/06/2023] [Accepted: 05/16/2023] [Indexed: 05/29/2023] Open
Abstract
BACKGROUND Chemotherapy and surgery have been the mainstays of epithelial ovarian cancer (EOC) treatment so far. Cellular immunotherapies such as CAR T cell therapy have recently given hope of a cure for solid tumors like EOC. However, extrinsic factors associated with the CAR T cell manufacturing process and/or intrinsic dysregulation of patient-derived T cells, which could be associated with cancer itself, cancer stage, and treatment regimen, may hamper the efficacy of CAR T cell therapy and promote their exhaustion or dysfunction. METHODS To investigate the association of these factors with CAR T cell exhaustion, the frequency of T and CAR T cells expressing three immune inhibitory receptors (i.e., TIM3, PD1, A2aR) generated from T cells of EOC patients and healthy controls was measured during each stage of CAR T cell production. RESULTS Our findings revealed that primary T cells from EOC patients show significantly elevated expression of immune inhibitory receptors, and this increase was more prominent in patients undergoing chemotherapy and those with advanced cancer. In addition, the CAR T cell manufacturing process itself was found to upregulate the expression of these inhibitory receptors and more importantly increase the population of exhausted mesoCAR T cells. CONCLUSIONS Our observations suggest that intrinsic characteristics of patient-derived T cells and extrinsic factors in CAR T cell production protocols should be considered and properly counteracted during CAR T cell manufacturing process. In addition, mitigating the signaling of immune inhibitory receptors through pharmacological/genetic perturbation during CAR T cell manufacturing might profoundly improve CAR T cells function and their antitumor activity in EOC and other solid tumors.
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Affiliation(s)
- Behnia Akbari
- Department of Medical Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Tahereh Soltantoyeh
- Department of Medical Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Zahra Shahosseini
- Department of Medical Biotechnology, School of Allied Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
- Molecular Virology Department, Pasteur Institute of Iran, Tehran, Iran
| | - Fariba Yarandi
- Department of Obstetrics and Gynecology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Jamshid Hadjati
- Department of Medical Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamid Reza Mirzaei
- Department of Medical Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
- Department of Genetics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, 19104, USA.
- Institute for Immunology and Immune Health, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, 19104, USA.
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70
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Urak R, Gittins B, Soemardy C, Grepo N, Goldberg L, Maker M, Shevchenko G, Davis A, Li S, Scott T, Morris KV, Forman SJ, Wang X. Evaluation of the Elements of Short Hairpin RNAs in Developing shRNA-Containing CAR T Cells. Cancers (Basel) 2023; 15:2848. [PMID: 37345185 DOI: 10.3390/cancers15102848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/16/2023] [Accepted: 05/18/2023] [Indexed: 06/23/2023] Open
Abstract
Short hairpin RNAs (shRNAs) have emerged as a powerful tool for gene knockdown in various cellular systems, including chimeric antigen receptor (CAR) T cells. However, the elements of shRNAs that are crucial for their efficacy in developing shRNA-containing CAR T cells remain unclear. In this study, we evaluated the impact of different shRNA elements, including promoter strength, orientation, multiple shRNAs, self-targeting, and sense and antisense sequence composition on the knockdown efficiency of the target gene in CAR T cells. Our findings highlight the importance of considering multiple shRNAs and their orientation to achieve effective knockdown. Moreover, we demonstrate that using a strong promoter and avoiding self-targeting can enhance CAR T cell functionality. These results provide a framework for the rational design of CAR T cells with shRNA-mediated knockdown capabilities, which could improve the therapeutic efficacy of CAR T cell-based immunotherapy.
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Affiliation(s)
- Ryan Urak
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA 91010, USA
- Center for Gene Therapy, Beckman Research Institute, Duarte, CA 91010, USA
| | - Brenna Gittins
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA 91010, USA
| | - Citradewi Soemardy
- Center for Gene Therapy, Beckman Research Institute, Duarte, CA 91010, USA
| | - Nicole Grepo
- Center for Gene Therapy, Beckman Research Institute, Duarte, CA 91010, USA
| | - Lior Goldberg
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA 91010, USA
| | - Madeleine Maker
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA 91010, USA
| | - Galina Shevchenko
- Center for Gene Therapy, Beckman Research Institute, Duarte, CA 91010, USA
| | - Alicia Davis
- Center for Gene Therapy, Beckman Research Institute, Duarte, CA 91010, USA
| | - Shirley Li
- Center for Gene Therapy, Beckman Research Institute, Duarte, CA 91010, USA
| | - Tristan Scott
- Center for Gene Therapy, Beckman Research Institute, Duarte, CA 91010, USA
| | - Kevin V Morris
- Menzies Health Institute Queensland, School of Pharmacy and Medical Science, Griffith University, Gold Coast Campus, Southport, QLD 4215, Australia
| | - Stephen J Forman
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA 91010, USA
| | - Xiuli Wang
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA 91010, USA
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Das S, Valton J, Duchateau P, Poirot L. Stromal depletion by TALEN-edited universal hypoimmunogenic FAP-CAR T cells enables infiltration and anti-tumor cytotoxicity of tumor antigen-targeted CAR-T immunotherapy. Front Immunol 2023; 14:1172681. [PMID: 37251405 PMCID: PMC10213512 DOI: 10.3389/fimmu.2023.1172681] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 04/13/2023] [Indexed: 05/31/2023] Open
Abstract
Adoptive cell therapy based on chimeric antigen receptor (CAR)-engineered T-cells has proven to be lifesaving for many cancer patients. However, its therapeutic efficacy has so far been restricted to only a few malignancies, with solid tumors proving to be especially recalcitrant to efficient therapy. Poor intra-tumor infiltration by T cells and T cell dysfunction due to a desmoplastic, immunosuppressive microenvironment are key barriers for CAR T-cell success against solid tumors. Cancer-associated fibroblasts (CAFs) are critical components of the tumor stroma, evolving specifically within the tumor microenvironment (TME) in response to tumor cell cues. The CAF secretome is a significant contributor to the extracellular matrix and a plethora of cytokines and growth factors that induce immune suppression. Together they form a physical and chemical barrier which induces a T cell-excluding 'cold' TME. CAF depletion in stroma rich solid tumors can thus provide an opportunity to convert immune evasive tumors susceptible to tumor-antigen CAR T-cell cytotoxicity. Using our TALEN-based gene editing platform we engineered non-alloreactive, immune evasive CAR T-cells (termed UCAR T-cells) targeting the unique CAF marker Fibroblast Activation Protein, alpha (FAP). In an orthotopic mouse model of triple-negative breast cancer (TNBC) composed of patient derived-CAFs and tumor cells, we demonstrate the efficacy of our engineered FAP UCAR T-cells in CAF depletion, reduction of desmoplasia and successful tumor infiltration. Furthermore, while previously resistant, pre-treatment with FAP UCAR T-cells now sensitized these tumors to Mesothelin (Meso) UCAR T-cell infiltration and anti-tumor cytotoxicity. Combination therapy of FAP UCAR, Meso UCAR T cells and the checkpoint inhibitor anti-PD-1 significantly reduced tumor burden and prolonged mice survival. Our study thus proposes a novel treatment paradigm for successful CAR T-cell immunotherapy against stroma-rich solid tumors.
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Affiliation(s)
- Shipra Das
- Cellectis Inc, New York, NY, United States
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Li X, Zhu T, Wang R, Chen J, Tang L, Huo W, Huang X, Cao Q. Genetically Programmable Vesicles for Enhancing CAR-T Therapy against Solid Tumors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2211138. [PMID: 36814099 DOI: 10.1002/adma.202211138] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 02/08/2023] [Indexed: 05/12/2023]
Abstract
Chimeric antigen receptor-T (CAR-T) cell therapy has shown remarkable success in eradicating hematologic malignancies; however, its efficacy in treating solid tumors has always been limited due to the presence of an immune-suppressive tumor microenvironment (TME). Here, genetically programmable cellular vesicles expressing high-affinity anti-programmed death-ligand 1 single chain variable fragment (anti-PD-L1 scFv) loaded with glutamine antagonist (D@aPD-L1 NVs) are developed to metabolically dismantle the immunosuppressive TME and enhance the efficiency of anti-mesothelin CAR-T cells in orthotopic lung cancer. As anti-PD-L1 scFv can specifically bind to the programmed death-ligand 1 (PD-L1) on tumor cells, D@aPD-L1 NVs enable the targeted delivery of glutamine antagonists to the tumor site and address the upregulation of PD-L1 on tumor cells, which prevents the premature exhaustion of CAR-T cells. More importantly, D@aPD-L1 NVs effectively reduce the number of immunosuppressive cells and promote the recruitment of inflammatory cells and the secretion of inflammatory cytokines in tumor tissues. These unique features of D@aPD-L1 NVs improve the infiltration and effector functions of CAR-T cells, which ultimately enhance the anti-tumor ability and long-term memory immunity of CAR-T cells. The findings support that D@aPD-L1 NVs act as a promising drug to strengthen the effectiveness of CAR-T cells against solid tumors.
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Affiliation(s)
- Xianjun Li
- Center for Infection and Immunity, Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong, 519000, P. R. China
- Department of Cardiothoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong, 519000, P. R. China
| | - Tianchuan Zhu
- Center for Infection and Immunity, Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong, 519000, P. R. China
| | - Ronghao Wang
- Center for Infection and Immunity, Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong, 519000, P. R. China
- Department of Cardiothoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong, 519000, P. R. China
| | - Jian Chen
- Center for Infection and Immunity, Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong, 519000, P. R. China
| | - Lantian Tang
- Center for Infection and Immunity, Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong, 519000, P. R. China
| | - Wenwen Huo
- Department of Cardiothoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong, 519000, P. R. China
| | - Xi Huang
- Center for Infection and Immunity, Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong, 519000, P. R. China
| | - Qingdong Cao
- Department of Cardiothoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong, 519000, P. R. China
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Huang SW, Pan CM, Lin YC, Chen MC, Chen Y, Jan CI, Wu CC, Lin FY, Wang ST, Lin CY, Lin PY, Huang WH, Chiang YT, Tsai WC, Chiu YH, Lin TH, Chiu SC, Cho DY. BiTE-Secreting CAR-γδT as a Dual Targeting Strategy for the Treatment of Solid Tumors. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023:e2206856. [PMID: 37078788 DOI: 10.1002/advs.202206856] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 03/14/2023] [Indexed: 05/03/2023]
Abstract
HLA-G is considered as an immune checkpoint protein and a tumor-associated antigen. In the previous work, it is reported that CAR-NK targeting of HLA-G can be used to treat certain solid tumors. However, the frequent co-expression of PD-L1 and HLA-G) and up-regulation of PD-L1 after adoptive immunotherapy may decrease the effectiveness of HLA-G-CAR. Therefore, simultaneous targeting of HLA-G and PD-L1 by multi-specific CAR could represent an appropriate solution. Furthermore, gamma-delta T (γδT) cells exhibit MHC-independent cytotoxicity against tumor cells and possess allogeneic potential. The utilization of nanobodies offers flexibility for CAR engineering and the ability to recognize novel epitopes. In this study, Vδ2 γδT cells are used as effector cells and electroporated with an mRNA-driven, nanobody-based HLA-G-CAR with a secreted PD-L1/CD3ε Bispecific T-cell engager (BiTE) construct (Nb-CAR.BiTE). Both in vivo and in vitro experiments reveal that the Nb-CAR.BiTE-γδT cells could effectively eliminate PD-L1 and/or HLA-G-positive solid tumors. The secreted PD-L1/CD3ε Nb-BiTE can not only redirect Nb-CAR-γδT but also recruit un-transduced bystander T cells against tumor cells expressing PD-L1, thereby enhancing the activity of Nb-CAR-γδT therapy. Furthermore, evidence is provided that Nb-CAR.BiTE redirectes γδT into tumor-implanted tissues and that the secreted Nb-BiTE is restricted to the tumor site without apparent toxicity.
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Affiliation(s)
- Shi-Wei Huang
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, 40447, Taiwan
- Institute of New Drug Development, China Medical University, Taichung, 40447, Taiwan
| | - Chih-Ming Pan
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, 40447, Taiwan
| | - Yu-Chuan Lin
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, 40447, Taiwan
| | - Mei-Chih Chen
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, 40447, Taiwan
| | - Yeh Chen
- Institute of New Drug Development, China Medical University, Taichung, 40447, Taiwan
| | - Chia-Ing Jan
- Department of Pathology, Kaohsiung Veterans General Hospital, Kaohsiung, 813414, Taiwan
| | - Chung-Chun Wu
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, 40447, Taiwan
| | - Fang-Yu Lin
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, 40447, Taiwan
| | - Sin-Ting Wang
- Department of Dermatology, Taichung Veterans General Hospital, Taichung, 40447, Taiwan
- Department of Gastroenterology, Taichung Veterans General Hospital, Taichung, 40447, Taiwan
| | - Chen-Yu Lin
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, 40447, Taiwan
| | - Pei-Ying Lin
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, 40447, Taiwan
| | - Wei-Hsaing Huang
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, 40447, Taiwan
| | - Yu-Ting Chiang
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, 40447, Taiwan
| | - Wan-Chen Tsai
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, 40447, Taiwan
| | - Ya-Hsu Chiu
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, 40447, Taiwan
| | - Ting-Hsun Lin
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, 40447, Taiwan
| | - Shao-Chih Chiu
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, 40447, Taiwan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, 40447, Taiwan
| | - Der-Yang Cho
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, 40447, Taiwan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, 40447, Taiwan
- Department of Neurosurgery, China Medical University Hospital, Taichung, 40447, Taiwan
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Bhokisham N, Laudermilch E, Traeger LL, Bonilla TD, Ruiz-Estevez M, Becker JR. CRISPR-Cas System: The Current and Emerging Translational Landscape. Cells 2023; 12:cells12081103. [PMID: 37190012 DOI: 10.3390/cells12081103] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 04/03/2023] [Accepted: 04/04/2023] [Indexed: 05/17/2023] Open
Abstract
CRISPR-Cas technology has rapidly changed life science research and human medicine. The ability to add, remove, or edit human DNA sequences has transformative potential for treating congenital and acquired human diseases. The timely maturation of the cell and gene therapy ecosystem and its seamless integration with CRISPR-Cas technologies has enabled the development of therapies that could potentially cure not only monogenic diseases such as sickle cell anemia and muscular dystrophy, but also complex heterogenous diseases such as cancer and diabetes. Here, we review the current landscape of clinical trials involving the use of various CRISPR-Cas systems as therapeutics for human diseases, discuss challenges, and explore new CRISPR-Cas-based tools such as base editing, prime editing, CRISPR-based transcriptional regulation, CRISPR-based epigenome editing, and RNA editing, each promising new functionality and broadening therapeutic potential. Finally, we discuss how the CRISPR-Cas system is being used to understand the biology of human diseases through the generation of large animal disease models used for preclinical testing of emerging therapeutics.
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Affiliation(s)
| | - Ethan Laudermilch
- Corporate Research Material Labs, 3M Center, 3M Company, Maplewood, MN 55144, USA
| | - Lindsay L Traeger
- Corporate Research Material Labs, 3M Center, 3M Company, Maplewood, MN 55144, USA
| | - Tonya D Bonilla
- Corporate Research Material Labs, 3M Center, 3M Company, Maplewood, MN 55144, USA
| | | | - Jordan R Becker
- Corporate Research Material Labs, 3M Center, 3M Company, Maplewood, MN 55144, USA
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75
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Li D, Qin J, Zhou T, Li Y, Cheng X, Chen Z, Chen J, Zheng WV. Bispecific GPC3/PD‑1 CAR‑T cells for the treatment of HCC. Int J Oncol 2023; 62:53. [PMID: 36896779 PMCID: PMC10019756 DOI: 10.3892/ijo.2023.5501] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 09/06/2022] [Indexed: 03/11/2023] Open
Abstract
Constantly stimulated by the tumor microenvironment (TME), programmed death 1 (PD‑1) is elevated, and it interacts with PD ligand 1 (PD‑L1), rendering chimeric antigen receptor (CAR)‑T cells dysfunctional. Hence, CAR‑T cells immune to PD‑1‑induced immunosuppression were constructed to improve the function of CAR‑T cells in hepatocellular carcinoma (HCC). Double‑target CAR‑T cells, targeting glypican‑3 (GPC3) [a tumour-associated antigen (TAA)] and hindering PD‑1‑PD‑L1 binding, were established. The expression of GPC3, PD‑L1, and inhibitory receptors was measured using flow cytometry. The cytotoxicity, cytokine release, and differentiation level of CAR‑T cells were determined using lactate dehydrogenase release assay, enzyme‑linked immunosorbent assay, and flow cytometry, respectively. HCC cells were targeted and eliminated by double‑target CAR‑T cells. These double‑target CAR‑T cells limit PD‑1‑PD‑L1 binding and sustain cytotoxicity to PD‑L1+ HCC cells. The relatively low IR expression and differentiation level in double‑target CAR‑T cells in tumour tissues induced tumour‑suppression and extended survival in PD‑L1+ HCC TX models, as opposed to their single‑target counterparts. The results of the present study suggested that the newly constructed double‑target CAR‑T cells exhibit stronger tumour‑suppressing effects in HCC than their single‑target counterparts, which are common, suggesting the potential of strengthening CAR‑T cell activity in HCC treatment.
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Affiliation(s)
- Dezhi Li
- Intervention and Cell Therapy Center, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, P.R. China
| | - Jie Qin
- Department of Scientific and Research, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, P.R. China
| | - Tao Zhou
- Intervention and Cell Therapy Center, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, P.R. China
| | - Yaqin Li
- Department of Infectious Disease, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, P.R. China
| | - Xianyi Cheng
- Intervention and Cell Therapy Center, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, P.R. China
| | - Zaizhong Chen
- Intervention and Cell Therapy Center, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, P.R. China
| | - Junhui Chen
- Intervention and Cell Therapy Center, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, P.R. China
- Correspondence to: Dr Junhui Chen or Dr Wei V. Zheng, Intervention and Cell Therapy Center, Peking University Shenzhen Hospital, 1120 Lianhua Road, Shenzhen, Guangdong 518036, P.R. China, E-mail: , E-mail:
| | - Wei V. Zheng
- Intervention and Cell Therapy Center, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, P.R. China
- Correspondence to: Dr Junhui Chen or Dr Wei V. Zheng, Intervention and Cell Therapy Center, Peking University Shenzhen Hospital, 1120 Lianhua Road, Shenzhen, Guangdong 518036, P.R. China, E-mail: , E-mail:
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76
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The Potential Revolution of Cancer Treatment with CRISPR Technology. Cancers (Basel) 2023; 15:cancers15061813. [PMID: 36980699 PMCID: PMC10046289 DOI: 10.3390/cancers15061813] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 03/14/2023] [Accepted: 03/14/2023] [Indexed: 03/19/2023] Open
Abstract
Immuno-oncology (IO) and targeted therapies, such as small molecule inhibitors, have changed the landscape of cancer treatment and prognosis; however, durable responses have been difficult to achieve due to tumor heterogeneity, development of drug resistance, and adverse effects that limit dosing and prolonged drug use. To improve upon the current medicinal armamentarium, there is an urgent need for new ways to understand, reverse, and treat carcinogenesis. Clustered regularly interspaced short palindromic repeats (CRISPR)-CRISPR-associated protein (Cas) 9 is a powerful and efficient tool for genome editing that has shown significant promise for developing new therapeutics. While CRISPR/Cas9 has been successfully used for pre-clinical cancer research, its use in the clinical setting is still in an early stage of development. The purpose of this review is to describe the CRISPR technology and to provide an overview of its current applications and future potential as cancer therapies.
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Nguyen HH, Bui KC, Nguyen TML, Pham C, Nham TPL, Ngo TH, Ho VH, Ta VH, Bozko P, Nguyen LT, Can VM. The safety of CAR-T cells and PD-1 antibody combination on an experimental model. Biochem Biophys Res Commun 2023; 649:25-31. [PMID: 36739696 DOI: 10.1016/j.bbrc.2023.01.096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 01/18/2023] [Accepted: 01/28/2023] [Indexed: 02/01/2023]
Abstract
Chimeric antigen receptor (CAR) T cells and PD-1 antibodies (PD-1 Ab) are emergent immunotherapies with unprecedented efficacy. The presence of PD-1 on T cells contributes to hypofunction of CAR-T therapy and inhibition of PD-1 enhances anti-cancer effect of CAR-T cells. Therefore, the combination of CAR-T cells and PD-1 antibody is a promissing strategy for cancer treatment. This study aims to establish our in-house CAR-T cells and evaluate the safety of CAR-T cells in combination with PD-1 antibody in animals. The toxicity of CD19-CAR-T cells was examined using Swiss Webster mice. Four mouse groups were treated with control, CAR-T, PD-1 antibody or CAR-T + PD-1 antibody. Mice's overall status was monitored and recorded. At the end-point, hematological and biochemical indices were quantified, histopathology of liver and kidney was evaluated by pathologists. The relative abnormal ratio and absolute values were compared between groups. We generated our in-house CAR-T cells and used them for safety evaluation in mice. The increase in mouse weight was observed in all groups after treatment and the weight was comparable between groups. The hematological, biochemical and histopathological parameters were equivalent between groups, except for liver grain degeneration occurred in treatment groups. Thus, CAR-T cells, PD-1 Ab and their combination were safe in mice. We successfully produced our in-house CAR-T cells and the combination of our CAR-T cells and PD-1 antibody was safe in mice with comparable values of hematopoietic indices, liver and kidney functions. Longer follow-up might be necessary to evaluate their effect on the liver.
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Affiliation(s)
- Hien Hanh Nguyen
- Department of Hematology and Transfusion, Military Hospital 103, Hanoi, Viet Nam; Department of Pathophysiology, Vietnam Military Medical University, Viet Nam
| | - Khac Cuong Bui
- Department of Pathophysiology, Vietnam Military Medical University, Viet Nam; Laboratory Animal Research Center, Vietnam Military Medical University, Viet Nam
| | | | - Chi Pham
- Laboratory Animal Research Center, Vietnam Military Medical University, Viet Nam
| | - Thi Phuong Linh Nham
- Laboratory Animal Research Center, Vietnam Military Medical University, Viet Nam
| | - Thu Hang Ngo
- Department of Pathophysiology, Vietnam Military Medical University, Viet Nam
| | - Viet Hoanh Ho
- Oncology Centre, Military Hospital 103, Hanoi, Viet Nam
| | - Viet Hung Ta
- Department of Hematology and Transfusion, Military Hospital 103, Hanoi, Viet Nam
| | - Przemyslaw Bozko
- Department of Internal Medicine I, Medical University Hospital, University of Tübingen, Germany
| | - Linh Toan Nguyen
- Department of Pathophysiology, Vietnam Military Medical University, Viet Nam
| | - Van Mao Can
- Department of Pathophysiology, Vietnam Military Medical University, Viet Nam.
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Zhai X, Mao L, Wu M, Liu J, Yu S. Challenges of Anti-Mesothelin CAR-T-Cell Therapy. Cancers (Basel) 2023; 15:cancers15051357. [PMID: 36900151 PMCID: PMC10000068 DOI: 10.3390/cancers15051357] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/10/2023] [Accepted: 02/06/2023] [Indexed: 02/23/2023] Open
Abstract
Chimeric antigen receptor (CAR)-T-cell therapy is a kind of adoptive T-cell therapy (ACT) that has developed rapidly in recent years. Mesothelin (MSLN) is a tumor-associated antigen (TAA) that is highly expressed in various solid tumors and is an important target antigen for the development of new immunotherapies for solid tumors. This article reviews the clinical research status, obstacles, advancements and challenges of anti-MSLN CAR-T-cell therapy. Clinical trials on anti-MSLN CAR-T cells show that they have a high safety profile but limited efficacy. At present, local administration and introduction of new modifications are being used to enhance proliferation and persistence and to improve the efficacy and safety of anti-MSLN CAR-T cells. A number of clinical and basic studies have shown that the curative effect of combining this therapy with standard therapy is significantly better than that of monotherapy.
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Affiliation(s)
- Xuejia Zhai
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
- Key Laboratory of Cancer Immunopathology, Ministry of Education, Chongqing 400038, China
- International Joint Research Center for Precision Biotherapy, Ministry of Science and Technology, Chongqing 400038, China
| | - Ling Mao
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
- Key Laboratory of Cancer Immunopathology, Ministry of Education, Chongqing 400038, China
- International Joint Research Center for Precision Biotherapy, Ministry of Science and Technology, Chongqing 400038, China
| | - Min Wu
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
- Key Laboratory of Cancer Immunopathology, Ministry of Education, Chongqing 400038, China
- International Joint Research Center for Precision Biotherapy, Ministry of Science and Technology, Chongqing 400038, China
| | - Jie Liu
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
- Key Laboratory of Cancer Immunopathology, Ministry of Education, Chongqing 400038, China
- International Joint Research Center for Precision Biotherapy, Ministry of Science and Technology, Chongqing 400038, China
| | - Shicang Yu
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
- Key Laboratory of Cancer Immunopathology, Ministry of Education, Chongqing 400038, China
- International Joint Research Center for Precision Biotherapy, Ministry of Science and Technology, Chongqing 400038, China
- Jinfeng Laboratory, Chongqing 401329, China
- Correspondence:
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79
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Vivekanandhan S, Bahr D, Kothari A, Ashary MA, Baksh M, Gabriel E. Immunotherapies in rare cancers. Mol Cancer 2023; 22:23. [PMID: 36726126 PMCID: PMC9890725 DOI: 10.1186/s12943-023-01720-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 01/10/2023] [Indexed: 02/03/2023] Open
Abstract
Cancer remains a leading cause of death worldwide, placing a significant burden on healthcare systems as well as the global economy. Rare cancers comprise a group of about 200 cancers that individually occur at extremely low frequencies. In the United States (US), their frequency is approximately 15 cases per 100,000 people, and it is even lower in Europe with approximately 6 cases per 100,000 people. However, combined their frequency of occurrence is much higher than any singular cancer. Cancer treatment and management has tremendously improved in the last decade, particularly with the administration of immune-based therapies. The four most prevalent immune-based therapies are (1) the use of immune-checkpoint inhibitors, (2) macrophage therapy, (3) Chimeric Antigen Receptor (CAR) T cell therapy, and (4) neoantigen-based therapies. In our review, we discuss these various aproaches and their implementation in the treatment of a variety of rare cancers. Furthermore, we discuss their limitations and potential strategies to overcome them to enhance the therapeutic efficacy of these approaches. Finally, our article presents the future directions and other additional immune therapies that may be incorporated into the treatment of rare cancers.
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Affiliation(s)
- Sneha Vivekanandhan
- grid.417467.70000 0004 0443 9942Department of Immunology, Mayo Clinic, Jacksonville, FL 32224 USA
| | - Deborah Bahr
- grid.417467.70000 0004 0443 9942Department of Immunology, Mayo Clinic, Jacksonville, FL 32224 USA
| | - Ashish Kothari
- grid.413618.90000 0004 1767 6103Department of Microbiology, All India Institute of Medical Sciences, Rishikesh, 249203 India
| | - Mohammed Ali Ashary
- grid.417467.70000 0004 0443 9942Department of Surgery, Division of Surgical Oncology, Mayo Clinic, 4500 San Pablo Rd, Jacksonville, FL 32224 USA
| | - Mizba Baksh
- grid.417467.70000 0004 0443 9942Department of Surgery, Division of Surgical Oncology, Mayo Clinic, 4500 San Pablo Rd, Jacksonville, FL 32224 USA
| | - Emmanuel Gabriel
- Department of Surgery, Division of Surgical Oncology, Mayo Clinic, 4500 San Pablo Rd, Jacksonville, FL, 32224, USA.
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Lesch S, Nottebrock A, Rataj F, Heise C, Endres S, Kobold S. PD-1-CD28 fusion protein strengthens mesothelin-specific TRuC T cells in preclinical solid tumor models. Cell Oncol (Dordr) 2023; 46:227-235. [PMID: 36409438 PMCID: PMC9947055 DOI: 10.1007/s13402-022-00747-9] [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] [Accepted: 11/03/2022] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND T cell receptor fusion constructs (TRuC) consist of an antibody-based single chain variable fragment (scFv) fused to a T cell receptor chain (TCR) and allow recognition of cancer cells in an HLA-independent manner. Unlike chimeric antigen receptors (CAR), TRuC are integrated into the TCR complex resulting in a functional chimera with novel specificity, whilst retaining TCR signaling. To further enhance anti-tumor function, we expressed a PD-1-CD28 fusion receptor in TRuC T cells aiming to prevent tumor-induced immune suppression and T cell anergy. METHODS The activation level of engineered T cells was investigated in co-culture experiments with tumor cells followed by quantification of released cytokines using ELISA. To study T cell-mediated tumor cell lysis in vitro, impedance-based real-time tumor cell killing and LDH release was measured. Finally, two xenograft mouse cancer models were employed to explore the therapeutic potential of engineered T cells. RESULTS In co-culture assays, co-expression of PD-1-CD28 enhanced cytokine production of TRuC T cells. This effect was dependent on PD-L1 to PD-1-CD28 interactions, as blockade of PD-L1 amplified IFN-γ production in unmodified TRuC T cells to a greater level compared to TRuC-PD-1-CD28 T cells. In vivo, PD-1-CD28 co-expression supported the anti-tumor efficacy of TRuC T cells in two xenograft mouse cancer models. CONCLUSION Together, these results demonstrate the therapeutic potential of PD-1-CD28 co-expression in TRuC T cells to prevent PD-L1-induced T cell hypofunction.
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Affiliation(s)
- Stefanie Lesch
- grid.411095.80000 0004 0477 2585Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Department of Medicine IV, Member of the German Center for Lung Research (DZL), University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Alessia Nottebrock
- grid.411095.80000 0004 0477 2585Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Department of Medicine IV, Member of the German Center for Lung Research (DZL), University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Felicitas Rataj
- grid.411095.80000 0004 0477 2585Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Department of Medicine IV, Member of the German Center for Lung Research (DZL), University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Constanze Heise
- grid.411095.80000 0004 0477 2585Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Department of Medicine IV, Member of the German Center for Lung Research (DZL), University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Stefan Endres
- grid.411095.80000 0004 0477 2585Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Department of Medicine IV, Member of the German Center for Lung Research (DZL), University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany ,German Center for Translational Cancer Research (DKTK), partner site Munich, Munich, Germany ,grid.4567.00000 0004 0483 2525Einheit Für Klinische Pharmakologie (EKLiP), Helmholtz Zentrum München, Germany, Research Center for Environmental Health (HMGU), Neuherberg, Germany
| | - Sebastian Kobold
- Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Department of Medicine IV, Member of the German Center for Lung Research (DZL), University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany. .,German Center for Translational Cancer Research (DKTK), partner site Munich, Munich, Germany. .,Einheit Für Klinische Pharmakologie (EKLiP), Helmholtz Zentrum München, Germany, Research Center for Environmental Health (HMGU), Neuherberg, Germany. .,Division of Clinical Pharmacology, Klinikum der Universität München, Lindwurmstraße 2a, 80337, Munich, Germany.
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Hiltensperger M, Krackhardt AM. Current and future concepts for the generation and application of genetically engineered CAR-T and TCR-T cells. Front Immunol 2023; 14:1121030. [PMID: 36949949 PMCID: PMC10025359 DOI: 10.3389/fimmu.2023.1121030] [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: 12/11/2022] [Accepted: 02/15/2023] [Indexed: 03/08/2023] Open
Abstract
Adoptive cell therapy (ACT) has seen a steep rise of new therapeutic approaches in its immune-oncology pipeline over the last years. This is in great part due to the recent approvals of chimeric antigen receptor (CAR)-T cell therapies and their remarkable efficacy in certain soluble tumors. A big focus of ACT lies on T cells and how to genetically modify them to target and kill tumor cells. Genetically modified T cells that are currently utilized are either equipped with an engineered CAR or a T cell receptor (TCR) for this purpose. Both strategies have their advantages and limitations. While CAR-T cell therapies are already used in the clinic, these therapies face challenges when it comes to the treatment of solid tumors. New designs of next-generation CAR-T cells might be able to overcome these hurdles. Moreover, CARs are restricted to surface antigens. Genetically engineered TCR-T cells targeting intracellular antigens might provide necessary qualities for the treatment of solid tumors. In this review, we will summarize the major advancements of the CAR-T and TCR-T cell technology. Moreover, we will cover ongoing clinical trials, discuss current challenges, and provide an assessment of future directions within the field.
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Affiliation(s)
- Michael Hiltensperger
- German Cancer Consortium (DKTK), partner site Munich and German Cancer Research Center (DKFZ), Heidelberg, Germany
- IIIrd Medical Department, Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany
- *Correspondence: Michael Hiltensperger, ; Angela M. Krackhardt,
| | - Angela M. Krackhardt
- German Cancer Consortium (DKTK), partner site Munich and German Cancer Research Center (DKFZ), Heidelberg, Germany
- IIIrd Medical Department, Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany
- Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
- Bavarian Cancer Research Center (BZKF), Erlangen, Germany
- *Correspondence: Michael Hiltensperger, ; Angela M. Krackhardt,
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Daei Sorkhabi A, Mohamed Khosroshahi L, Sarkesh A, Mardi A, Aghebati-Maleki A, Aghebati-Maleki L, Baradaran B. The current landscape of CAR T-cell therapy for solid tumors: Mechanisms, research progress, challenges, and counterstrategies. Front Immunol 2023; 14:1113882. [PMID: 37020537 PMCID: PMC10067596 DOI: 10.3389/fimmu.2023.1113882] [Citation(s) in RCA: 47] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 02/28/2023] [Indexed: 04/07/2023] Open
Abstract
The successful outcomes of chimeric antigen receptor (CAR) T-cell therapy in treating hematologic cancers have increased the previously unprecedented excitement to use this innovative approach in treating various forms of human cancers. Although researchers have put a lot of work into maximizing the effectiveness of these cells in the context of solid tumors, few studies have discussed challenges and potential strategies to overcome them. Restricted trafficking and infiltration into the tumor site, hypoxic and immunosuppressive tumor microenvironment (TME), antigen escape and heterogeneity, CAR T-cell exhaustion, and severe life-threatening toxicities are a few of the major obstacles facing CAR T-cells. CAR designs will need to go beyond the traditional architectures in order to get over these limitations and broaden their applicability to a larger range of malignancies. To enhance the safety, effectiveness, and applicability of this treatment modality, researchers are addressing the present challenges with a wide variety of engineering strategies as well as integrating several therapeutic tactics. In this study, we reviewed the antigens that CAR T-cells have been clinically trained to recognize, as well as counterstrategies to overcome the limitations of CAR T-cell therapy, such as recent advances in CAR T-cell engineering and the use of several therapies in combination to optimize their clinical efficacy in solid tumors.
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Affiliation(s)
- Amin Daei Sorkhabi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Aila Sarkesh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amirhossein Mardi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Aghebati-Maleki
- Stem Cell Research Center, Tabriz University of Medical Science, Tabriz, Iran
| | - Leili Aghebati-Maleki
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
- *Correspondence: Leili Aghebati-Maleki, ; Behzad Baradaran,
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
- *Correspondence: Leili Aghebati-Maleki, ; Behzad Baradaran,
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83
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Wang X, Lai Z, Pang Y, Sun Q, Yang W, Wang W. PD-1 blocking strategy for enhancing the anti-tumor effect of CAR T cells targeted CD105. Heliyon 2023; 9:e12688. [PMID: 36685461 PMCID: PMC9849980 DOI: 10.1016/j.heliyon.2022.e12688] [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: 08/16/2022] [Revised: 12/22/2022] [Accepted: 12/22/2022] [Indexed: 01/05/2023] Open
Abstract
Purpos CD105 has become a promising target of immunotherapy development for highly specific expression on the neovascular surface of most types of tumor cells. In previous studies, we constructed a CAR T cell (CD105 CAR T cell) and observed significant antitumor activity. In this study, we optimized the structure of CD105 CAR to increase PD-1 antibody secretion function (CD105 × PD-1 CAR T cells). Methods we tested whether Increased PD-1 antibody secretion with CAR T cells targeted CD105 could promote in vitro proliferation, proinflammatory cytokine production and cytotoxicity,or not. For the in vivo experiments, we constructed a subcutaneously transplanted tumor model and placed it in NOD/SCID mice to verify the anti-tumor effect of this therapy. Results Our data showed that the PD-1 antibody secreted by CD105 × PD-1 CAR T cells could specifically bind to the PD-1 receptor of T cells then blocked the PD-1/PD-L-1 signaling pathway, thus enhancing the activation and proliferation of CAR T cells. After incubation of CD105 × PD-1 CAR T cells with HepG2 as a hepatocellular carcinoma cell line expressing CD105, the results showed that CD105 × PD-1 CAR T cells increased the expression levels of CD69 and CD62L, enhanced the proliferation capacity of CAR T cells, and secreted more IL-2, TNF-α and IFN-γ than CD105 CAR T cells. Conclusion These data showed that CD105 × PD-1 CAR T cells was specifically killing tumor cells in vitro and in vivo. Our findings may therefore provide a promising new strategy for the improvement of CAR T therapy for solid tumors.
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Affiliation(s)
- Xi Wang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine Medicine, Hainan Medical University, Haikou, 570100, China
- Department of Anesthesiology, Haikou Third People's Hospital, Haikou, 570100, China
| | - Zhiheng Lai
- Department of Anorectal, Hainan Province Hospital of Traditional Chinese Medicine, Haikou, 570100, China
| | - Yanyang Pang
- School of Traditional Chinese Medicine, Hainan Medical University, Haikou, 570100, China
| | - Qinghui Sun
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine Medicine, Hainan Medical University, Haikou, 570100, China
| | - Wenli Yang
- Department of Anatomy, Zunyi Medical University, Zunyi, 563006, China
| | - Wu Wang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine Medicine, Hainan Medical University, Haikou, 570100, China
- Guangxi Key Laboratory of Nanobody Research, Guangxi Medical University, Nanning, 530021, China
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Abstract
Significance: Immune cell therapy involves the administration of immune cells into patients, and it has emerged as one of the most common type of immunotherapy for cancer treatment. Knowledge on the biology and metabolism of the adoptively transferred immune cells and the metabolic requirements of different cell types in the tumor is fundamental for the development of immune cell therapy with higher efficacy. Recent Advances: Adoptive T cell therapy has been shown to be effective in limited types of cancer. Different types and generations of adoptive T cell therapies have evolved in the recent decade. This review covers the basic principles and development of these therapies in cancer treatment. Critical Issues: Our review provides an overview on the basic concepts on T cell metabolism and highlights the metabolic requirements of T and adoptively transferred T cells. Future Directions: Integrating the knowledge just cited will facilitate the development of strategies to maximize the expansion of adoptively transferred T cells ex vivo and in vivo and to promote their durability and antitumor effects. Antioxid. Redox Signal. 37, 1303-1324.
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Affiliation(s)
- Ge Hui Tan
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China.,Department of Comprehensive Cancer Centre, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
| | - Carmen Chak-Lui Wong
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China.,Center for Oncology and Immunology, Hong Kong Science Park, Hong Kong, SAR, China
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Li X, Dai H, Wang Y, Wu Z, Wang H, Qian W, Liang A, Han W. Regional empowerment through decentralised governance under a centralised regulatory system facilitates the development of cellular therapy in China. THE LANCET HAEMATOLOGY 2022; 9:e942-e954. [DOI: 10.1016/s2352-3026(22)00331-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 09/22/2022] [Accepted: 10/07/2022] [Indexed: 11/30/2022]
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Biederstädt A, Manzar GS, Daher M. Multiplexed engineering and precision gene editing in cellular immunotherapy. Front Immunol 2022; 13:1063303. [PMID: 36483551 PMCID: PMC9723254 DOI: 10.3389/fimmu.2022.1063303] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 10/31/2022] [Indexed: 11/23/2022] Open
Abstract
The advent of cellular immunotherapy in the clinic has entirely redrawn the treatment landscape for a growing number of human cancers. Genetically reprogrammed immune cells, including chimeric antigen receptor (CAR)-modified immune effector cells as well as T cell receptor (TCR) therapy, have demonstrated remarkable responses across different hard-to-treat patient populations. While these novel treatment options have had tremendous success in providing long-term remissions for a considerable fraction of treated patients, a number of challenges remain. Limited in vivo persistence and functional exhaustion of infused immune cells as well as tumor immune escape and on-target off-tumor toxicities are just some examples of the challenges which restrain the potency of today's genetically engineered cell products. Multiple engineering strategies are being explored to tackle these challenges.The advent of multiplexed precision genome editing has in recent years provided a flexible and highly modular toolkit to specifically address some of these challenges by targeted genetic interventions. This class of next-generation cellular therapeutics aims to endow engineered immune cells with enhanced functionality and shield them from immunosuppressive cues arising from intrinsic immune checkpoints as well as the hostile tumor microenvironment (TME). Previous efforts to introduce additional genetic modifications into immune cells have in large parts focused on nuclease-based tools like the CRISPR/Cas9 system or TALEN. However, nuclease-inactive platforms including base and prime editors have recently emerged and promise a potentially safer route to rewriting genetic sequences and introducing large segments of transgenic DNA without inducing double-strand breaks (DSBs). In this review, we discuss how these two exciting and emerging fields-cellular immunotherapy and precision genome editing-have co-evolved to enable a dramatic expansion in the possibilities to engineer personalized anti-cancer treatments. We will lay out how various engineering strategies in addition to nuclease-dependent and nuclease-inactive precision genome editing toolkits are increasingly being applied to overcome today's limitations to build more potent cellular therapeutics. We will reflect on how novel information-rich unbiased discovery approaches are continuously deepening our understanding of fundamental mechanisms governing tumor biology. We will conclude with a perspective of how multiplexed-engineered and gene edited cell products may upend today's treatment paradigms as they evolve into the next generation of more potent cellular immunotherapies.
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Affiliation(s)
- Alexander Biederstädt
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
- Department of Medicine III, Hematology and Oncology, School of Medicine, Technical University of Munich, Munich, Germany
| | - Gohar Shahwar Manzar
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - May Daher
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
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87
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Çerçi B, Uzay IA, Kara MK, Dinçer P. Clinical trials and promising preclinical applications of CRISPR/Cas gene editing. Life Sci 2022; 312:121204. [PMID: 36403643 DOI: 10.1016/j.lfs.2022.121204] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 11/03/2022] [Accepted: 11/14/2022] [Indexed: 11/18/2022]
Abstract
Treatment of genetic disorders by genomic manipulation has been the unreachable goal of researchers for many decades. Although our understanding of the genetic basis of genetic diseases has advanced tremendously in the last few decades, the tools developed for genomic editing were not efficient and practical for their use in the clinical setting until now. The recent advancements in the research of Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) and CRISPR-associated protein (Cas) systems offered an easy and efficient way to edit the genome and accelerated the research on their potential use in the treatment of genetic disorders. In this review, we summarize the clinical trials that evaluate the CRISPR/Cas systems for treating different genetic diseases and highlight promising preclinical research on CRISPR/Cas mediated treatment of a great diversity of genetic disorders. Ultimately, we discuss the future of CRISPR/Cas mediated genome editing in genetic diseases.
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Affiliation(s)
- Barış Çerçi
- Faculty of Medicine, Hacettepe University, Ankara 06100, Turkey.
| | - Ihsan Alp Uzay
- Faculty of Medicine, Hacettepe University, Ankara 06100, Turkey
| | | | - Pervin Dinçer
- Department of Medical Biology, Faculty of Medicine, Hacettepe University, Ankara 06100, Turkey
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Current and Future Perspectives for Chimeric Antigen Receptor T Cells Development in Poland. Biomedicines 2022; 10:biomedicines10112912. [PMID: 36428480 PMCID: PMC9687915 DOI: 10.3390/biomedicines10112912] [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: 10/06/2022] [Revised: 11/03/2022] [Accepted: 11/09/2022] [Indexed: 11/16/2022] Open
Abstract
Chimeric antigen receptor T (CAR-T) cells are genetically modified autologous T cells that have revolutionized the treatment of relapsing and refractory haematological malignancies. In this review we present molecular pathways involved in the activation of CAR-T cells, describe in details the structures of receptors and the biological activity of CAR-T cells currently approved for clinical practice in the European Union, and explain the functional differences between them. Finally, we present the potential for the development of CAR-T cells in Poland, as well as indicate the possible directions of future research in this area, including novel modifications and applications of CAR-T cells and CAR-natural killer (NK) cells.
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89
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Quach HT, Hou Z, Bellis RY, Saini JK, Amador-Molina A, Adusumilli PS, Xiong Y. Next-generation immunotherapy for solid tumors: combination immunotherapy with crosstalk blockade of TGFβ and PD-1/PD-L1. Expert Opin Investig Drugs 2022; 31:1187-1202. [PMID: 36448335 PMCID: PMC10085570 DOI: 10.1080/13543784.2022.2152323] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 11/23/2022] [Indexed: 12/05/2022]
Abstract
INTRODUCTION In solid tumor immunotherapy, less than 20% of patients respond to anti-programmed cell death 1 (PD-1)/programmed cell death 1 ligand 1 (PD-L1) agents. The role of transforming growth factor β (TGFβ) in diverse immunity is well-established; however, systemic blockade of TGFβ is associated with toxicity. Accumulating evidence suggests the role of crosstalk between TGFβ and PD-1/PD-L1 pathways. AREAS COVERED We focus on TGFβ and PD-1/PD-L1 signaling pathway crosstalk and the determinant role of TGFβ in the resistance of immune checkpoint blockade. We provide the rationale for combination anti-TGFβ and anti-PD-1/PD-L1 therapies for solid tumors and discuss the current status of dual blockade therapy in preclinical and clinical studies. EXPERT OPINION The heterogeneity of tumor microenvironment across solid tumors complicates patient selection, treatment regimens, and response and toxicity assessment for investigation of dual blockade agents. However, clinical knowledge from single-agent studies provides infrastructure to translate dual blockade therapies. Dual TGFβ and PD-1/PD-L1 blockade results in enhanced T-cell infiltration into tumors, a primary requisite for successful immunotherapy. A bifunctional fusion protein specifically targets TGFβ in the tumor microenvironment, avoiding systemic toxicity, and prevents interaction of PD-1+ cytotoxic cells with PD-L1+ tumor cells.
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Affiliation(s)
- Hue Tu Quach
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
| | - Zhaohua Hou
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
| | - Rebecca Y. Bellis
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
| | - Jasmeen K. Saini
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
| | - Alfredo Amador-Molina
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
| | - Prasad S. Adusumilli
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
- Director, Mesothelioma Program; Head, Center for Cell Engineering, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
| | - Yuquan Xiong
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
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Castiello L, Santodonato L, Napolitano M, Carlei D, Montefiore E, Monque DM, D’Agostino G, Aricò E. Chimeric Antigen Receptor Immunotherapy for Solid Tumors: Choosing the Right Ingredients for the Perfect Recipe. Cancers (Basel) 2022; 14:5351. [PMID: 36358770 PMCID: PMC9655484 DOI: 10.3390/cancers14215351] [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: 10/12/2022] [Revised: 10/27/2022] [Accepted: 10/27/2022] [Indexed: 10/21/2023] Open
Abstract
Chimeric antigen receptor T cell therapies are revolutionizing the clinical practice of hematological tumors, whereas minimal progresses have been achieved in the solid tumor arena. Multiple reasons have been ascribed to this slower pace: The higher heterogeneity, the hurdles of defining reliable tumor antigens to target, and the broad repertoire of immune escape strategies developed by solid tumors are considered among the major ones. Currently, several CAR therapies are being investigated in preclinical and early clinical trials against solid tumors differing in the type of construct, the cells that are engineered, and the additional signals included with the CAR constructs to overcome solid tumor barriers. Additionally, novel approaches in development aim at overcoming some of the limitations that emerged with the approved therapies, such as large-scale manufacturing, duration of manufacturing, and logistical issues. In this review, we analyze the advantages and challenges of the different approaches under development, balancing the scientific evidences supporting specific choices with the manufacturing and regulatory issues that are essential for their further clinical development.
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Affiliation(s)
- Luciano Castiello
- Cell Factory FaBioCell, Core Facilities, Italian National Institute of Health, 00161 Rome, Italy
| | - Laura Santodonato
- Cell Factory FaBioCell, Core Facilities, Italian National Institute of Health, 00161 Rome, Italy
| | - Mariarosaria Napolitano
- Research Coordination and Support Service, Italian National Institute of Health, 00161 Rome, Italy
| | - Davide Carlei
- Cell Factory FaBioCell, Core Facilities, Italian National Institute of Health, 00161 Rome, Italy
| | - Enrica Montefiore
- Cell Factory FaBioCell, Core Facilities, Italian National Institute of Health, 00161 Rome, Italy
| | - Domenica Maria Monque
- Cell Factory FaBioCell, Core Facilities, Italian National Institute of Health, 00161 Rome, Italy
| | - Giuseppina D’Agostino
- Cell Factory FaBioCell, Core Facilities, Italian National Institute of Health, 00161 Rome, Italy
| | - Eleonora Aricò
- Cell Factory FaBioCell, Core Facilities, Italian National Institute of Health, 00161 Rome, Italy
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91
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Mao R, Kong W, He Y. The affinity of antigen-binding domain on the antitumor efficacy of CAR T cells: Moderate is better. Front Immunol 2022; 13:1032403. [PMID: 36325345 PMCID: PMC9618871 DOI: 10.3389/fimmu.2022.1032403] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 09/21/2022] [Indexed: 11/16/2022] Open
Abstract
The overall efficacy of chimeric antigen receptor modified T cells (CARTs) remain limited in solid tumors despite intensive studies that aim at targeting multiple antigens, enhancing migration, reducing tonic signaling, and improving tumor microenvironment. On the other hand, how the affinity and engaging kinetics of antigen-binding domain (ABD) affects the CART's efficacy has not been carefully investigated. In this article, we first analyzed 38 published solid tumor CART trials and correlated the response rate to their ABD affinity. Not surprisingly, majority (25 trials) of the CARTs utilized high-affinity ABDs, but generated merely 5.7% response rate. In contrast, 35% of the patients treated with the CARTs built from moderate-affinity ABDs had clinical responses. Thus, CARTs with moderate-affinity ABDs not only have less off-target toxicity, but also are more effective. We then reviewed the effects of ABD affinity on the biology and function of CARTs, providing further evidence that moderate-affinity ABDs may be better in CART development. In the end, we propose that a fast-on/fast-off (high Kon and Koff ) kinetics of CART-target engagement in solid tumor allow CARTs to generate sufficient signaling to kill tumor cells without being driven to exhaustion. We believe that studying the ABD affinity and the kinetics of CART-tumor interaction may hold a key to designing effective CARTs for solid tumors.
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Affiliation(s)
- Rui Mao
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, GA, United States
| | - Wanqing Kong
- South Carolina Governors School for Science and Math, Hartsville, SC, United States
| | - Yukai He
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, GA, United States
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, United States
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Atar D, Mast AS, Scheuermann S, Ruoff L, Seitz CM, Schlegel P. Adapter CAR T Cell Therapy for the Treatment of B-Lineage Lymphomas. Biomedicines 2022; 10:biomedicines10102420. [PMID: 36289682 PMCID: PMC9599140 DOI: 10.3390/biomedicines10102420] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/14/2022] [Accepted: 09/17/2022] [Indexed: 11/16/2022] Open
Abstract
CD19CAR T cells facilitate a transformational treatment in various relapsed and refractory aggressive B-lineage cancers. In general, encouraging response rates have been observed in B-lineage-derived non-Hodgkin’s lymphomas treated with CD19CAR T cells. The major cause of death in heavily pretreated NHL patients is lymphoma progression and lymphoma recurrence. Inefficient CAR T cell therapy is the result of the limited potency of the CAR T cell product or is due to loss of the targeted antigen. Target antigen loss has been identified as the key factor that can be addressed stringently by dual- or multitargeted CAR T cell approaches. We have developed a versatile adapter CAR T cell technology (AdCAR) that allows multitargeting. Screening of three different B-lineage lymphoma cell lines has revealed distinct immune target profiles. Cancer-specific adapter molecule combinations may be utilized to prevent antigen immune escape. In general, CD19CAR T cells become non-functional in CD19 negative lymphoma subsets; however, AdCAR T cells can be redirected to alternative target antigens beyond CD19, such as CD20, CD22, CD79B, and ROR-1. The capability to flexibly shift CAR specificity by exchanging the adapter molecule’s specificity broadens the application and significantly increases the anti-leukemic and anti-lymphoma activity. The clinical evaluation of AdCAR T cells in lymphoma as a new concept of CAR T cell immunotherapy may overcome treatment failure due to antigen immune escape in monotargeted conventional CAR T cell therapies.
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Affiliation(s)
- Daniel Atar
- Department of Pediatric Hematology and Oncology, University of Tuebingen, 72076 Tuebingen, Germany
| | - Anna-Sophia Mast
- Department of Pediatric Hematology and Oncology, University of Tuebingen, 72076 Tuebingen, Germany
| | - Sophia Scheuermann
- Department of Pediatric Hematology and Oncology, University of Tuebingen, 72076 Tuebingen, Germany
- DFG Cluster of Excellence 2180 Image-Guided and Functional Instructed Tumor Therapy (iFIT), University of Tuebingen, 72076 Tuebingen, Germany
| | - Lara Ruoff
- Department of Pediatric Hematology and Oncology, University of Tuebingen, 72076 Tuebingen, Germany
| | - Christian Martin Seitz
- Department of Pediatric Hematology and Oncology, University of Tuebingen, 72076 Tuebingen, Germany
- DFG Cluster of Excellence 2180 Image-Guided and Functional Instructed Tumor Therapy (iFIT), University of Tuebingen, 72076 Tuebingen, Germany
| | - Patrick Schlegel
- Department of Pediatric Hematology and Oncology, University of Tuebingen, 72076 Tuebingen, Germany
- DFG Cluster of Excellence 2180 Image-Guided and Functional Instructed Tumor Therapy (iFIT), University of Tuebingen, 72076 Tuebingen, Germany
- School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney 2006, Australia
- Cellular Cancer Therapeutics Unit, Children’s Medical Research Institute, Sydney 2145, Australia
- Department of Pediatric Hematology and Oncology, Westmead Children’s Hospital, Sydney 2145, Australia
- Correspondence:
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93
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Zhou X, Ni Y, Liang X, Lin Y, An B, He X, Zhao X. Mechanisms of tumor resistance to immune checkpoint blockade and combination strategies to overcome resistance. Front Immunol 2022; 13:915094. [PMID: 36189283 PMCID: PMC9520263 DOI: 10.3389/fimmu.2022.915094] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 08/19/2022] [Indexed: 11/24/2022] Open
Abstract
Immune checkpoint blockade (ICB) has rapidly transformed the treatment paradigm for various cancer types. Multiple single or combinations of ICB treatments have been approved by the US Food and Drug Administration, providing more options for patients with advanced cancer. However, most patients could not benefit from these immunotherapies due to primary and acquired drug resistance. Thus, a better understanding of the mechanisms of ICB resistance is urgently needed to improve clinical outcomes. Here, we focused on the changes in the biological functions of CD8+ T cells to elucidate the underlying resistance mechanisms of ICB therapies and summarized the advanced coping strategies to increase ICB efficacy. Combinational ICB approaches and individualized immunotherapies require further in-depth investigation to facilitate longer-lasting efficacy and a more excellent safety of ICB in a broader range of patients.
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94
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Ge Y, Zhang Y, Zhao KN, Zhu H. Emerging Therapeutic Strategies of Different Immunotherapy Approaches Combined with PD-1/PD-L1 Blockade in Cervical Cancer. Drug Des Devel Ther 2022; 16:3055-3070. [PMID: 36110399 PMCID: PMC9470119 DOI: 10.2147/dddt.s374672] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 07/28/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- Yanjun Ge
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, People’s Republic of China
| | - Yuchen Zhang
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, People’s Republic of China
| | - Kong-Nan Zhao
- School of Basic Medical Science, Wenzhou Medical University, Wenzhou, People’s Republic of China
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Queensland, Australia
| | - Haiyan Zhu
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, People’s Republic of China
- School of Basic Medical Science, Wenzhou Medical University, Wenzhou, People’s Republic of China
- Correspondence: Haiyan Zhu, Shanghai First Maternity and Infant Hospital, No. 2699 Gaokexi Road, Shanghai, 200092, People’s Republic of China, Tel +86 13758465255, Email
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95
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Li X, Halldórsdóttir HR, Weller S, Colliander A, Bak M, Kempen P, Clergeaud G, Andresen TL. Enhancing Adoptive Cell Therapy by T Cell Loading of SHP2 Inhibitor Nanocrystals before Infusion. ACS NANO 2022; 16:10918-10930. [PMID: 35838499 DOI: 10.1021/acsnano.2c03311] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Whereas adoptive T cell therapy has been extensively studied for cancer treatment, the response is still limited primarily due to immune dysfunction related to poor cell engraftment, tumor infiltration and engagement, and lack of a target. In addition, the modification of therapeutic T cells often suffers from being complex and expensive. Here, we present a strategy to load T cells with SHP099, an allosteric SHP2 inhibitor, to enhance the therapeutic efficacy of the T cells. Remote-loading of SHP099 into lipid nanoparticles decorated with triarginine motifs resulted in nanocrystal formation of SHP099 inside the lipid vesicles and allowed high loading efficiency and prolonged retention of SHP099 nanocrystals within T cells. Cell-loaded SHP099 enabled sustained inhibition of the PD-1/PD-L1 signaling and increased cytolytic activity of the T cells. We show in a mouse model that tumor-homing T cells can circulate with the cargos, improving their tumor accumulation compared to systemically administered lipid nanoparticles. On an established solid tumor model, adoptively transferred SHP099 loaded T cells induced complete tumor eradication and durable immune memory against tumor rechallenging on all treated mice by effectively inhibiting the PD-1/PD-L1 checkpoint signal. We demonstrate that the combination of T cell therapy with SHP2 inhibition is a promising therapeutic strategy, and the lipid nanocrystal platform could be generalized as a promising approach for T cell loading of immunomodulatory drugs.
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Affiliation(s)
- Xin Li
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | | | - Sven Weller
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Anna Colliander
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Martin Bak
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Paul Kempen
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
- National Centre for Nano Fabrication and Characterization, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Gael Clergeaud
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Thomas L Andresen
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
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96
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Chen XZ, Guo R, Zhao C, Xu J, Song H, Yu H, Pilarsky C, Nainu F, Li JQ, Zhou XK, Zhang JY. A Novel Anti-Cancer Therapy: CRISPR/Cas9 Gene Editing. Front Pharmacol 2022; 13:939090. [PMID: 35935840 PMCID: PMC9353945 DOI: 10.3389/fphar.2022.939090] [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: 05/08/2022] [Accepted: 06/14/2022] [Indexed: 11/27/2022] Open
Abstract
Cancer becomes one of the main causes of human deaths in the world due to the high incidence and mortality rate and produces serious economic burdens. With more and more attention is paid on cancer, its therapies are getting more of a concern. Previous research has shown that the occurrence, progression, and treatment prognosis of malignant tumors are closely related to genetic and gene mutation. CRISPR/Cas9 has emerged as a powerful method for making changes to the genome, which has extensively been applied in various cell lines. Establishing the cell and animal models by CRISPR/Cas9 laid the foundation for the clinical trials which possibly treated the tumor. CRISPR-Cas9-mediated genome editing technology brings a great promise for inhibiting migration, invasion, and even treatment of tumor. However, the potential off-target effect limits its clinical application, and the effective ethical review is necessary. The article reviews the molecular mechanisms of CRISPR/Cas9 and discusses the research and the limitation related to cancer clinical trials.
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Affiliation(s)
- Xin-Zhu Chen
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, The NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
- The First Affiliated Hospital, Hainan Medical University, Haikou, China
| | - Rong Guo
- State Key Laboratory of Medical Molecular Biology, Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Cong Zhao
- Department of Cellular and Molecular Biology, Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Beijing, China
| | - Jing Xu
- Department of Biochemistry and Molecular Biology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Hang Song
- Department of Biochemistry and Molecular Biology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Hua Yu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Christian Pilarsky
- Department of Surgery, University Hospital of Erlangen, Friedrich-Alexander University of Erlangen-Nuremberg (FAU), Erlangen, Germany
| | - Firzan Nainu
- Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
| | - Jing-Quan Li
- The First Affiliated Hospital, Hainan Medical University, Haikou, China
- *Correspondence: Jing-Quan Li, ; Xin-Ke Zhou, ; Jian-Ye Zhang,
| | - Xin-Ke Zhou
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, The NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
- *Correspondence: Jing-Quan Li, ; Xin-Ke Zhou, ; Jian-Ye Zhang,
| | - Jian-Ye Zhang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, The NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
- *Correspondence: Jing-Quan Li, ; Xin-Ke Zhou, ; Jian-Ye Zhang,
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97
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Yang W, Yan J, Zhuang P, Ding T, Chen Y, Zhang Y, Zhang H, Cui W. Progress of delivery methods for CRISPR-Cas9. Expert Opin Drug Deliv 2022; 19:913-926. [PMID: 35818792 DOI: 10.1080/17425247.2022.2100342] [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] [Indexed: 12/15/2022]
Abstract
INTRODUCTION Gene therapy is becoming increasingly common in clinical practice, giving hope for the correction of a wide range of human diseases and defects. The CRISPR/Cas9 system, consisting of the Cas9 nuclease and single-guide RNA (sgRNA), has revolutionized the field of gene editing. However, efficiently delivering the CRISPR-Cas9 to the target organ or cell remains a significant challenge. In recent years, with rapid advances in nanoscience, materials science, and medicine, researchers have developed various technologies that can deliver CRISPR-Cas9 in different forms for in vitro and in vivo gene editing. Here, we review the development of the CRISPR-Cas9 and describe the delivery forms and the vectors that have emerged in CRISPR-Cas9 delivery, summarizing the key barriers and the promising strategies that vectors currently face in delivering the CRISPR-Cas9. AREAS COVERED With the rapid development of CRISPR-Cas9, delivery methods are becoming increasingly important in the in vivo delivery of CRISPR-Cas9. EXPERT OPINION CRISPR-Cas9 is becoming increasingly common in clinical trials. However, the complex nuclease and protease environment is a tremendous challenge for in vivo clinical applications. Therefore, the development of delivery methods is highly likely to take the application of CRISPR-Cas9 technology to another level.
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Affiliation(s)
- Wu Yang
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, PR China.,Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Turku, 20520, Finland.,Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, 20520, Finland
| | - Jiaqi Yan
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, PR China.,Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Turku, 20520, Finland.,Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, 20520, Finland
| | - Pengzhen Zhuang
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, PR China.,Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Turku, 20520, Finland.,Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, 20520, Finland
| | - Tao Ding
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, PR China
| | - Yu Chen
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, PR China.,Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Turku, 20520, Finland.,Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, 20520, Finland
| | - Yu Zhang
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, PR China.,Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Turku, 20520, Finland.,Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, 20520, Finland
| | - Hongbo Zhang
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, PR China.,Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Turku, 20520, Finland.,Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, 20520, Finland
| | - Wenguo Cui
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, PR China
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98
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Lee D, Huntoon K, Kang M, Lu Y, Gallup T, Jiang W, Kim BYS. Harnessing cGAS‐STING Pathway for Cancer Immunotherapy: From Bench to Clinic. ADVANCED THERAPEUTICS 2022. [DOI: 10.1002/adtp.202200040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- DaeYong Lee
- Department of Neurosurgery The University of Texas MD Anderson Cancer Center Houston TX 77030 USA
| | - Kristin Huntoon
- Department of Neurosurgery The University of Texas MD Anderson Cancer Center Houston TX 77030 USA
| | - Minjeong Kang
- Department of radiation oncology The University of Texas MD Anderson Cancer Center Houston TX 77030 USA
| | - Yifei Lu
- Department of Neurosurgery The University of Texas MD Anderson Cancer Center Houston TX 77030 USA
| | - Thomas Gallup
- Department of Neurosurgery The University of Texas MD Anderson Cancer Center Houston TX 77030 USA
| | - Wen Jiang
- Department of radiation oncology The University of Texas MD Anderson Cancer Center Houston TX 77030 USA
| | - Betty Y S Kim
- Department of Neurosurgery The University of Texas MD Anderson Cancer Center Houston TX 77030 USA
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99
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Gao TA, Chen YY. Engineering Next-Generation CAR-T Cells: Overcoming Tumor Hypoxia and Metabolism. Annu Rev Chem Biomol Eng 2022; 13:193-216. [PMID: 35700528 DOI: 10.1146/annurev-chembioeng-092120-092914] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
T cells engineered to express chimeric antigen receptors (CARs) have shown remarkable success in treating B-cell malignancies, reflected by multiple US Food and Drug Administration-approved CAR-T cell products currently on the market. However, various obstacles have thus far limited the use of approved products and constrained the efficacy of CAR-T cell therapy against solid tumors. Overcoming these obstacles will necessitate multidimensional CAR-T cell engineering approaches and better understanding of the intricate tumor microenvironment (TME). Key challenges include treatment-related toxicity, antigen escape and heterogeneity, and the highly immunosuppressive profile of the TME. Notably, the hypoxic and nutrient-deprived nature of the TME severely attenuates CAR-T cell fitness and efficacy, highlighting the need for more sophisticated engineering strategies. In this review, we examine recent advances in protein- and cell-engineering strategies to improve CAR-T cell safety and efficacy, with an emphasis on overcoming immunosuppression induced by tumor metabolism and hypoxia.
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Affiliation(s)
- Torahito A Gao
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, California, USA; ,
| | - Yvonne Y Chen
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, California, USA; , .,Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, California, USA.,Parker Institute for Cancer Immunotherapy Center at UCLA, Los Angeles, California, USA
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100
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Xu Y, Chen C, Guo Y, Hu S, Sun Z. Effect of CRISPR/Cas9-Edited PD-1/PD-L1 on Tumor Immunity and Immunotherapy. Front Immunol 2022; 13:848327. [PMID: 35300341 PMCID: PMC8920996 DOI: 10.3389/fimmu.2022.848327] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 01/31/2022] [Indexed: 12/12/2022] Open
Abstract
Clustered regularly interspaced short palindromic repeats/CRISPR-associated nuclease9 (CRISPR/Cas9) gene editing technology implements precise programming of the human genome through RNA guidance. At present, it has been widely used in the construction of animal tumor models, the study of drug resistance regulation mechanisms, epigenetic control and innovation in cancer treatment. Tumor immunotherapy restores the normal antitumor immune response by restarting and maintaining the tumor-immune cycle. CRISPR/Cas9 technology has occupied a central position in further optimizing anti-programmed cell death 1(PD-1) tumor immunotherapy. In this review, we summarize the recent progress in exploring the regulatory mechanism of tumor immune PD-1 and programmed death ligand 1(PD-L1) based on CRISPR/Cas9 technology and its clinical application in different cancer types. In addition, CRISPR genome-wide screening identifies new drug targets and biomarkers to identify potentially sensitive populations for anti-PD-1/PD-L1 therapy and maximize antitumor effects. Finally, the strong potential and challenges of CRISPR/Cas9 for future clinical applications are discussed.
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Affiliation(s)
- Yanxin Xu
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Chen Chen
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Yaxin Guo
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Shengyun Hu
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zhenqiang Sun
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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