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Myoli A, Choene M, Kappo AP, Madala NE, van der Hooft JJJ, Tugizimana F. Charting the Cannabis plant chemical space with computational metabolomics. Metabolomics 2024; 20:62. [PMID: 38796627 PMCID: PMC11127828 DOI: 10.1007/s11306-024-02125-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 05/02/2024] [Indexed: 05/28/2024]
Abstract
INTRODUCTION The chemical classification of Cannabis is typically confined to the cannabinoid content, whilst Cannabis encompasses diverse chemical classes that vary in abundance among all its varieties. Hence, neglecting other chemical classes within Cannabis strains results in a restricted and biased comprehension of elements that may contribute to chemical intricacy and the resultant medicinal qualities of the plant. OBJECTIVES Thus, herein, we report a computational metabolomics study to elucidate the Cannabis metabolic map beyond the cannabinoids. METHODS Mass spectrometry-based computational tools were used to mine and evaluate the methanolic leaf and flower extracts of two Cannabis cultivars: Amnesia haze (AMNH) and Royal dutch cheese (RDC). RESULTS The results revealed the presence of different chemical compound classes including cannabinoids, but extending it to flavonoids and phospholipids at varying distributions across the cultivar plant tissues, where the phenylpropnoid superclass was more abundant in the leaves than in the flowers. Therefore, the two cultivars were differentiated based on the overall chemical content of their plant tissues where AMNH was observed to be more dominant in the flavonoid content while RDC was more dominant in the lipid-like molecules. Additionally, in silico molecular docking studies in combination with biological assay studies indicated the potentially differing anti-cancer properties of the two cultivars resulting from the elucidated chemical profiles. CONCLUSION These findings highlight distinctive chemical profiles beyond cannabinoids in Cannabis strains. This novel mapping of the metabolomic landscape of Cannabis provides actionable insights into plant biochemistry and justifies selecting certain varieties for medicinal use.
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Affiliation(s)
- Akhona Myoli
- Department of Biochemistry, University of Johannesburg, Auckland Park, Johannesburg, 2006, South Africa
| | - Mpho Choene
- Department of Biochemistry, University of Johannesburg, Auckland Park, Johannesburg, 2006, South Africa
| | - Abidemi Paul Kappo
- Department of Biochemistry, University of Johannesburg, Auckland Park, Johannesburg, 2006, South Africa
| | | | - Justin J J van der Hooft
- Department of Biochemistry, University of Johannesburg, Auckland Park, Johannesburg, 2006, South Africa.
- Bioinformatics Group, Wageningen University, Wageningen, 6708 PB, the Netherlands.
| | - Fidele Tugizimana
- Department of Biochemistry, University of Johannesburg, Auckland Park, Johannesburg, 2006, South Africa.
- International Research and Development Division, Omnia Group, Ltd., Bryanston, Johannesburg, 2021, South Africa.
- National Institute for Theoretical and Computational Sciences, Johannesburg, South Africa.
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Lee HW, O'Reilly C, Beckett AN, Currier DG, Chen T, DeRenzo C. A high-content screen of FDA approved drugs to enhance CAR T cell function: ingenol-3-angelate improves B7-H3-CAR T cell activity by upregulating B7-H3 on the target cell surface via PKCα activation. J Exp Clin Cancer Res 2024; 43:97. [PMID: 38561833 PMCID: PMC10985962 DOI: 10.1186/s13046-024-03022-x] [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: 06/16/2023] [Accepted: 03/21/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND CAR T cell therapy is a promising approach to improve outcomes and decrease toxicities for patients with cancer. While extraordinary success has been achieved using CAR T cells to treat patients with CD19-positive malignancies, multiple obstacles have so far limited the benefit of CAR T cell therapy for patients with solid tumors. Novel manufacturing and engineering approaches show great promise to enhance CAR T cell function against solid tumors. However, similar to single agent chemotherapy approaches, CAR T cell monotherapy may be unable to achieve high cure rates for patients with difficult to treat solid tumors. Thus, combinatorial drug plus CAR T cell approaches are likely required to achieve widespread clinical success. METHODS We developed a novel, confocal microscopy based, high-content screen to evaluate 1114 FDA approved drugs for the potential to increase expression of the solid tumor antigen B7-H3 on the surface of osteosarcoma cells. Western blot, RT-qPCR, siRNA knockdown and flow cytometry assays were used to validate screening results and identify mechanisms of drug-induced B7-H3 upregulation. Cytokine and cytotoxicity assays were used to determine if drug pre-treatment enhanced B7-H3-CAR T cell effector function. RESULTS Fifty-five drugs were identified to increase B7-H3 expression on the surface of LM7 osteosarcoma cells using a novel high-content, high-throughput screen. One drug, ingenol-3-angelate (I3A), increased B7-H3 expression by up to 100%, and was evaluated in downstream experiments. Validation assays confirmed I3A increased B7-H3 expression in a biphasic dose response and cell dependent fashion. Mechanistic studies demonstrated that I3A increased B7-H3 (CD276) mRNA, total protein, and cell surface expression via protein kinase C alpha activation. Functionally, I3A induced B7-H3 expression enhanced B7-H3-CAR T cell function in cytokine production and cytotoxicity assays. CONCLUSIONS This study demonstrates a novel high-content and high-throughput screen can identify drugs to enhance CAR T cell activity. This and other high-content technologies will pave the way to develop clinical trials implementing rational drug plus CAR T cell combinatorial therapies. Importantly, the technique could also be repurposed for an array of basic and translational research applications where drugs are needed to modulate cell surface protein expression.
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Affiliation(s)
- Ha Won Lee
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Carla O'Reilly
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Alex N Beckett
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
- Graduate School of Biomedical Sciences, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Duane G Currier
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Taosheng Chen
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Christopher DeRenzo
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA.
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Tang Y, Liao X, Cao Y. A Proximity-Dependent Biosensor System for Visualizing Cell-Cell Interactions Induced by Therapeutic Antibodies. J Pharm Sci 2024; 113:579-586. [PMID: 38103691 PMCID: PMC10922735 DOI: 10.1016/j.xphs.2023.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 12/08/2023] [Accepted: 12/09/2023] [Indexed: 12/19/2023]
Abstract
Despite the promise of therapeutic antibodies in engaging the immune system to eliminate malignant cells, many aspects of the complex interplay between immune cells and cancer cells induced by antibody therapy remain incompletely understood. This study aimed to develop a biosensor system that can evaluate direct cell-cell physical contact and interactions between immune effector and target cells induced by therapeutic antibodies in physiologically relevant environments. The system uses two structural complementary luciferase units (SmBit and LgBit) expressed on the respective membranes of effector and target cells. Upon cell-cell contact, the two subunits form active NanoLuc, generating a luminescent signal, allowing for real-time monitoring of cell-cell interactions and quantitatively assessing the pharmacological effects of therapeutic antibodies. We optimized the system to ensure selectivity by adjusting the spacer lengths between two luciferase units to minimize interference from nonspecific intercellular contact. The system was applied to quantitatively monitor cell-cell interactions between NK and target cells induced by rituximab and between T and target cells induced by blinatumomab in a 3D cell culture system. The biosensor system has the potential to characterize antibody pharmacology through a deeper understanding of antibody-mediated cell-cell interactions.
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Affiliation(s)
- Yu Tang
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC. 27599, United States
| | - XiaoZhi Liao
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC. 27599, United States
| | - Yanguang Cao
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC. 27599, United States; Lineberger Comprehensive Cancer Center, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States.
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Ganju V, Marx G, Pattison S, Amaro-Mugridge NB, Zhao JT, Williams BRG, MacDiarmid JA, Brahmbhatt H. Phase I/IIa Trial in Advanced Pancreatic Ductal Adenocarcinoma Treated with Cytotoxic Drug-Packaged, EGFR-Targeted Nanocells and Glycolipid-Packaged Nanocells. Clin Cancer Res 2024; 30:304-314. [PMID: 37976042 DOI: 10.1158/1078-0432.ccr-23-1821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 09/21/2023] [Accepted: 11/15/2023] [Indexed: 11/19/2023]
Abstract
PURPOSE We assessed the safety and efficacy of an EGFR-targeted, super-cytotoxic drug, PNU-159682-packaged nanocells with α-galactosyl ceramide-packaged nanocells (E-EDV-D682/GC) in patients with advanced pancreatic ductal adenocarcinoma (PDAC) who had exhausted all treatment options. PATIENTS AND METHODS ENG9 was a first-in-man, single-arm, open-label, phase I/IIa, dose-escalation clinical trial. Eligible patients had advanced PDAC, Eastern Cooperative Oncology Group status 0 to 1, and failed all treatments. Primary endpoints were safety and overall survival (OS). RESULTS Of 25 enrolled patients, seven were withdrawn due to rapidly progressive disease and one patient withdrew consent. All 25 patients were assessed for toxicity, 24 patients were assessed for OS, which was also assessed for 17 patients completing one treatment cycle [evaluable subset (ES)]. Nineteen patients (76.0%) experienced at least one treatment-related adverse event (graded 1 to 2) resolving within hours. There were no safety concerns, dose reductions, patient withdrawal, or treatment-related deaths. Median OS (mOS) was 4.4 months; however, mOS of the 17 ES patients was 6.9 months [208 days; range, 83-591 days; 95.0% confidence interval (CI), 5.6-10.3 months] and mOS of seven patients who did not complete one cycle was 1.8 months (54 days; range, 21-72; 95.0% CI, 1.2-2.2 months). Of the ES, 47.1% achieved stable disease and one partial response. Ten subjects in the ES survived over 6 months, the longest 19.7 months. During treatments, 82.0% of the ES maintained stable weight. CONCLUSIONS E-EDV-D682/GC provided significant OS, minimal side effects, and weight stabilization in patients with advanced PDAC. Advanced PDAC can be safely treated with super-cytotoxic drugs via EnGeneIC Dream Vectors to overcome multidrug resistance.
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Affiliation(s)
- Vinod Ganju
- Hudson Institute of Medical Research, Department of Molecular and Translational Science, Monash University Faculty of Medicine, Nursing and Health Sciences, Clayton, Victoria, Australia
- Peninsula and Southeast Oncology (PASO), Frankston Private Hospital, Frankston, Australia
| | - Gavin Marx
- Sydney Adventist Hospital, Sydney, New South Wales, Australia
| | | | | | | | - Bryan R G Williams
- Hudson Institute of Medical Research, Department of Molecular and Translational Science, Monash University Faculty of Medicine, Nursing and Health Sciences, Clayton, Victoria, Australia
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Cao M, Carlson RD, Staudt RE, Snook AE. In vitro assays to evaluate CAR-T cell cytotoxicity. Methods Cell Biol 2023; 183:303-315. [PMID: 38548415 DOI: 10.1016/bs.mcb.2023.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Abstract
This chapter introduces four commonly used in vitro chimeric antigen receptor (CAR)-T cell cytotoxicity assays (lactate dehydrogenase release assay, 51Cr release assay, IncuCyte live cell killing assay, and xCELLigence real-time analysis) and provides a detailed protocol for xCELLigence real-time analysis. Focusing on in vitro assays, this chapter starts with explaining the mechanisms and discussing the utilization of each assay to quantify T-cell-induced cytotoxicity. Due to the high-throughput quantification and straightforward workflow of xCELLigence real-time analysis, a protocol entailing reagents and equipment, a 3-day step-by-step procedure, and instructions for data analysis are provided.
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Affiliation(s)
- Miao Cao
- Department of Pharmacology, Physiology, & Cancer Biology, Thomas Jefferson University, Philadelphia, PA, United States
| | - Robert D Carlson
- Department of Pharmacology, Physiology, & Cancer Biology, Thomas Jefferson University, Philadelphia, PA, United States
| | - Ross E Staudt
- Department of Pharmacology, Physiology, & Cancer Biology, Thomas Jefferson University, Philadelphia, PA, United States
| | - Adam E Snook
- Department of Pharmacology, Physiology, & Cancer Biology, Thomas Jefferson University, Philadelphia, PA, United States; Department of Microbiology & Immunology, Thomas Jefferson University, Philadelphia, PA, United States; Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, United States.
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Abd Talib FNA, Marzuki M, Hoe SLL. Analysis of NK-92 cytotoxicity in nasopharyngeal carcinoma cell lines and patient-derived xenografts using impedance-based growth method. Heliyon 2023; 9:e17480. [PMID: 37415945 PMCID: PMC10320316 DOI: 10.1016/j.heliyon.2023.e17480] [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: 09/05/2022] [Revised: 06/12/2023] [Accepted: 06/19/2023] [Indexed: 07/08/2023] Open
Abstract
Natural killer (NK) cells are innate immune cells that can remove viral-infected tumour cells without antigen priming. This characteristic offers NK cells an edge over other immune cells as a potential therapy for nasopharyngeal carcinoma (NPC). In this study, we report how cytotoxicity was evaluated in target NPC cell lines and patient-derived xenograft (PDX) cells with effector NK-92, a commercially available NK cell line, by using xCELLigence RTCA system (a real-time, label-free impedance-based monitoring platform). Cell viability, proliferation and cytotoxicity were examined by RTCA. Cell morphology, growth and cytotoxicity were also monitored by microscopy. RTCA and microscopy showed that both target and effector cells were able to proliferate normally and to maintain original morphology in co-culture medium as they were in their own respective culture medium. As target and effector (T:E) cell ratios increased, cell viability as measured by arbitrary cell index (CI) values in RTCA decreased in all cell lines and PDX cells. NPC PDX cells were more sensitive to the cytotoxicity effect of NK-92 cells, than the NPC cell lines. These data were substantiated by GFP-based microscopy. We have shown how the RTCA system can be used for a high throughput screening of the effects of NK cells in cancer studies to obtain data such as cell viability, proliferation and cytotoxicity.
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Logun M, Colonna MB, Mueller KP, Ventarapragada D, Rodier R, Tondepu C, Piscopo NJ, Das A, Chvatal S, Hayes HB, Capitini CM, Brat DJ, Kotanchek T, Edison AS, Saha K, Karumbaiah L. Label-free in vitro assays predict the potency of anti-disialoganglioside chimeric antigen receptor T-cell products. Cytotherapy 2023; 25:670-682. [PMID: 36849306 PMCID: PMC10159906 DOI: 10.1016/j.jcyt.2023.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 01/05/2023] [Accepted: 01/13/2023] [Indexed: 02/27/2023]
Abstract
BACKGROUND AIMS Chimeric antigen receptor (CAR) T cells have demonstrated remarkable efficacy against hematological malignancies; however, they have not experienced the same success against solid tumors such as glioblastoma (GBM). There is a growing need for high-throughput functional screening platforms to measure CAR T-cell potency against solid tumor cells. METHODS We used real-time, label-free cellular impedance sensing to evaluate the potency of anti-disialoganglioside (GD2) targeting CAR T-cell products against GD2+ patient-derived GBM stem cells over a period of 2 days and 7 days in vitro. We compared CAR T products using two different modes of gene transfer: retroviral transduction and virus-free CRISPR-editing. Endpoint flow cytometry, cytokine analysis and metabolomics data were acquired and integrated to create a predictive model of CAR T-cell potency. RESULTS Results indicated faster cytolysis by virus-free CRISPR-edited CAR T cells compared with retrovirally transduced CAR T cells, accompanied by increased inflammatory cytokine release, CD8+ CAR T-cell presence in co-culture conditions and CAR T-cell infiltration into three-dimensional GBM spheroids. Computational modeling identified increased tumor necrosis factor α concentrations with decreased glutamine, lactate and formate as being most predictive of short-term (2 days) and long-term (7 days) CAR T cell potency against GBM stem cells. CONCLUSIONS These studies establish impedance sensing as a high-throughput, label-free assay for preclinical potency testing of CAR T cells against solid tumors.
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Affiliation(s)
- Meghan Logun
- Regenerative Bioscience Center, University of Georgia, Athens, Georgia, USA; Division of Neuroscience, Biomedical and Health Sciences Institute, University of Georgia, Athens, Georgia, USA
| | - Maxwell B Colonna
- Department of Biochemistry & Molecular Biology, Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia, USA; Institute of Bioinformatics, University of Georgia, Athens, Georgia, USA
| | - Katherine P Mueller
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, Wisconsin USA
| | | | - Riley Rodier
- Regenerative Bioscience Center, University of Georgia, Athens, Georgia, USA
| | - Chaitanya Tondepu
- Regenerative Bioscience Center, University of Georgia, Athens, Georgia, USA; Division of Neuroscience, Biomedical and Health Sciences Institute, University of Georgia, Athens, Georgia, USA; Edgar L. Rhodes Center for Animal and Dairy Science, College of Agriculture and Environmental Science, University of Georgia, Athens, Georgia, USA
| | - Nicole J Piscopo
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, Wisconsin USA
| | - Amritava Das
- Morgridge Institute for Research, Madison, Wisconsin, USA
| | | | | | - Christian M Capitini
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin USA; University of Wisconsin Carbone Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin USA
| | - Daniel J Brat
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois USA
| | | | - Arthur S Edison
- Department of Biochemistry & Molecular Biology, Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia, USA; Institute of Bioinformatics, University of Georgia, Athens, Georgia, USA
| | - Krishanu Saha
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, Wisconsin USA; University of Wisconsin Carbone Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin USA
| | - Lohitash Karumbaiah
- Regenerative Bioscience Center, University of Georgia, Athens, Georgia, USA; Division of Neuroscience, Biomedical and Health Sciences Institute, University of Georgia, Athens, Georgia, USA; Edgar L. Rhodes Center for Animal and Dairy Science, College of Agriculture and Environmental Science, University of Georgia, Athens, Georgia, USA.
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The application of patient-derived organoid in the research of lung cancer. Cell Oncol (Dordr) 2023; 46:503-519. [PMID: 36696006 DOI: 10.1007/s13402-023-00771-3] [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: 11/21/2022] [Revised: 12/16/2022] [Accepted: 01/05/2023] [Indexed: 01/26/2023] Open
Abstract
Lung cancer is the most common cancer and the leading cause of cancer-related death worldwide. However, mechanisms of its progression remained unclear and new treatments against this disease are rapidly emerging. As a novel preclinical model, patient-derived organoid (PDO) can also be established from the patient's tumor tissue and cultured in the laboratory, which preserves the key biological characteristics of the original tumor. Compared to the patient-derived xenograft (PDX) model of lung cancer, the culture success rate is improved, and the time and cost of model establishment are largely reduced. PDO is also expected to provide a more individual model to predict the efficacy of anti-cancer treatment in vitro. This paper summarizes the current application of PDO in the translational research of lung cancer.
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Pereira MSF, Sorathia K, Sezgin Y, Thakkar A, Maguire C, Collins PL, Mundy-Bosse BL, Lee DA, Naeimi Kararoudi M. Deletion of Glycogen Synthase Kinase 3 Beta Reprograms NK Cell Metabolism. Cancers (Basel) 2023; 15:705. [PMID: 36765663 PMCID: PMC9913837 DOI: 10.3390/cancers15030705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 01/13/2023] [Indexed: 01/27/2023] Open
Abstract
Loss of cytotoxicity and defective metabolism are linked to glycogen synthase kinase 3 beta (GSK3β) overexpression in natural killer (NK) cells from patients with acute myeloid leukemia or from healthy donors after expansion ex vivo with IL-15. Drug inhibition of GSK3β in these NK cells improves their maturation and cytotoxic activity, but the mechanisms of GSK3β-mediated dysfunction have not been well studied. Here, we show that expansion of NK cells with feeder cells expressing membrane-bound IL-21 maintained normal GSK3β levels, allowing us to study GSK3β function using CRISPR gene editing. We deleted GSK3B and expanded paired-donor knockout and wild-type (WT) NK cells and then assessed transcriptional and functional alterations induced by loss of GSK3β. Surprisingly, our data showed that deletion of GSK3B did not alter cytotoxicity, cytokine production, or maturation (as determined by CD57 expression). However, GSK3B-KO cells demonstrated significant changes in expression of genes related to rRNA processing, cell proliferation, and metabolic function, suggesting possible metabolic reprogramming. Next, we found that key genes downregulated in GSK3B-KO NK cells were upregulated in GSK3β-overexpressing NK cells from AML patients, confirming this correlation in a clinical setting. Lastly, we measured cellular energetics and observed that GSK3B-KO NK cells exhibited 150% higher spare respiratory capacity, a marker of metabolic fitness. These findings suggest a role for GSK3β in regulating NK cell metabolism.
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Affiliation(s)
- Marcelo S. F. Pereira
- Center for Childhood Cancer and Blood Disease, Abigail Wexner Research Institute, Nationwide Children’s Hospital, Columbus, OH 43205, USA
| | - Kinnari Sorathia
- Center for Childhood Cancer and Blood Disease, Abigail Wexner Research Institute, Nationwide Children’s Hospital, Columbus, OH 43205, USA
| | - Yasemin Sezgin
- Center for Childhood Cancer and Blood Disease, Abigail Wexner Research Institute, Nationwide Children’s Hospital, Columbus, OH 43205, USA
| | - Aarohi Thakkar
- Center for Childhood Cancer and Blood Disease, Abigail Wexner Research Institute, Nationwide Children’s Hospital, Columbus, OH 43205, USA
| | - Colin Maguire
- Center for Childhood Cancer and Blood Disease, Abigail Wexner Research Institute, Nationwide Children’s Hospital, Columbus, OH 43205, USA
| | - Patrick L. Collins
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, OH 43210, USA
| | - Bethany L. Mundy-Bosse
- Department of Internal Medicine, Division of Hematology, The Ohio State University, Columbus, OH 43210, USA
| | - Dean A. Lee
- Center for Childhood Cancer and Blood Disease, Abigail Wexner Research Institute, Nationwide Children’s Hospital, Columbus, OH 43205, USA
- Department of Pediatrics, The Ohio State University, Columbus, OH 43210, USA
| | - Meisam Naeimi Kararoudi
- Center for Childhood Cancer and Blood Disease, Abigail Wexner Research Institute, Nationwide Children’s Hospital, Columbus, OH 43205, USA
- Department of Pediatrics, The Ohio State University, Columbus, OH 43210, USA
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Jia Y, Reboulet J, Gillet B, Hughes S, Forcet C, Tribollet V, Hajj Sleiman N, Kundlacz C, Vanacker JM, Bleicher F, Merabet S. A Live Cell Protein Complementation Assay for ORFeome-Wide Probing of Human HOX Interactomes. Cells 2023; 12:cells12010200. [PMID: 36611993 PMCID: PMC9818449 DOI: 10.3390/cells12010200] [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: 11/18/2022] [Revised: 12/16/2022] [Accepted: 12/22/2022] [Indexed: 01/05/2023] Open
Abstract
Biological pathways rely on the formation of intricate protein interaction networks called interactomes. Getting a comprehensive map of interactomes implies the development of tools that allow one to capture transient and low-affinity protein-protein interactions (PPIs) in live conditions. Here we presented an experimental strategy: the Cell-PCA (cell-based protein complementation assay), which was based on bimolecular fluorescence complementation (BiFC) for ORFeome-wide screening of proteins that interact with different bait proteins in the same live cell context, by combining high-throughput sequencing method. The specificity and sensitivity of the Cell-PCA was established by using a wild-type and a single-amino-acid-mutated HOXA9 protein, and the approach was subsequently applied to seven additional human HOX proteins. These proof-of-concept experiments revealed novel molecular properties of HOX interactomes and led to the identification of a novel cofactor of HOXB13 that promoted its proliferative activity in a cancer cell context. Taken together, our work demonstrated that the Cell-PCA was pertinent for revealing and, importantly, comparing the interactomes of different or highly related bait proteins in the same cell context.
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Affiliation(s)
- Yunlong Jia
- IGFL, CNRS UMR5242, ENS-Lyon, UCBL-1, INRA USC1370, 32 Av. Tony Garnier, 69007 Lyon, France
- Department of Developmental and Cell Biology, University of California, Irvine, CA 92697, USA
| | - Jonathan Reboulet
- IGFL, CNRS UMR5242, ENS-Lyon, UCBL-1, INRA USC1370, 32 Av. Tony Garnier, 69007 Lyon, France
- LiPiCs, 46 Allée d’Italie, 69007 Lyon, France
| | - Benjamin Gillet
- IGFL, CNRS UMR5242, ENS-Lyon, UCBL-1, INRA USC1370, 32 Av. Tony Garnier, 69007 Lyon, France
| | - Sandrine Hughes
- IGFL, CNRS UMR5242, ENS-Lyon, UCBL-1, INRA USC1370, 32 Av. Tony Garnier, 69007 Lyon, France
| | - Christelle Forcet
- IGFL, CNRS UMR5242, ENS-Lyon, UCBL-1, INRA USC1370, 32 Av. Tony Garnier, 69007 Lyon, France
| | - Violaine Tribollet
- IGFL, CNRS UMR5242, ENS-Lyon, UCBL-1, INRA USC1370, 32 Av. Tony Garnier, 69007 Lyon, France
| | - Nawal Hajj Sleiman
- IGFL, CNRS UMR5242, ENS-Lyon, UCBL-1, INRA USC1370, 32 Av. Tony Garnier, 69007 Lyon, France
| | - Cindy Kundlacz
- IGFL, CNRS UMR5242, ENS-Lyon, UCBL-1, INRA USC1370, 32 Av. Tony Garnier, 69007 Lyon, France
| | - Jean-Marc Vanacker
- IGFL, CNRS UMR5242, ENS-Lyon, UCBL-1, INRA USC1370, 32 Av. Tony Garnier, 69007 Lyon, France
| | - Françoise Bleicher
- IGFL, CNRS UMR5242, ENS-Lyon, UCBL-1, INRA USC1370, 32 Av. Tony Garnier, 69007 Lyon, France
- Correspondence: franç (F.B.); (S.M.)
| | - Samir Merabet
- IGFL, CNRS UMR5242, ENS-Lyon, UCBL-1, INRA USC1370, 32 Av. Tony Garnier, 69007 Lyon, France
- Correspondence: franç (F.B.); (S.M.)
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Sasaki M, Tanaka M, Kojima Y, Nishie H, Shimura T, Kubota E, Kataoka H. Anti-tumor immunity enhancement by photodynamic therapy with talaporfin sodium and anti-programmed death 1 antibody. Mol Ther Oncolytics 2023; 28:118-131. [PMID: 36726602 PMCID: PMC9867957 DOI: 10.1016/j.omto.2022.12.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 12/31/2022] [Indexed: 01/04/2023] Open
Abstract
Photodynamic therapy (PDT) is a relatively non-invasive anti-cancer therapy that employs a photosensitizer with a specific wavelength of light irradiation. PDT induces direct cell killing and enhancement effects on tumor immunity, but its underlying mechanism remains unknown. Here, we perform a basic analysis of the anti-tumor effect of talaporfin sodium (TS)-PDT as well as its synergism with the immune checkpoint inhibitor anti-programmed death 1 (anti-PD-1) antibody. We estimate the cell death mechanism induced by TS-PDT and the induction of damage-associated molecular patterns (DAMPs) by TS-PDT in vitro. We establish a syngeneic mouse model of bilateral flank tumors and verify the enhancement of the abscopal effect on the non-irradiated side. TS-PDT induced apoptosis, necrosis, and autophagy-associated cell death in vitro. TS-PDT induced the release and/or expression of DAMPs in vitro. Tumor growth was inhibited in the TS-PDT and anti-PD-1 antibody combination group compared with other single-treatment or non-treatment groups in vivo. In summary, TS-PDT induces the release and/or expression of DAMPs, indicating that it activates innate immunity. PD-1 blockage enhances the anti-tumor immunity induced by TS-PDT. Thus, our results demonstrate that the combination of TS-PDT and anti-PD-1 antibody can potentially be used for anti-tumor therapy.
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Affiliation(s)
- Makiko Sasaki
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-8601, Japan
| | - Mamoru Tanaka
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-8601, Japan,Corresponding author: Mamoru Tanaka, MD, PhD, Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya 467-8601, Japan.
| | - Yuki Kojima
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-8601, Japan
| | - Hirotada Nishie
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-8601, Japan
| | - Takaya Shimura
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-8601, Japan
| | - Eiji Kubota
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-8601, Japan
| | - Hiromi Kataoka
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-8601, Japan
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12
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Dias J, Cadiñanos-Garai A, Roddie C. Release Assays and Potency Assays for CAR T-Cell Interventions. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1420:117-137. [PMID: 37258787 DOI: 10.1007/978-3-031-30040-0_8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Chimeric antigen receptor (CAR) T-cells are considered "living drugs" and offer a compelling alternative to conventional anticancer therapies. Briefly, T-cells are redirected, using gene engineering technology, toward a specific cancer cell surface target antigen via a synthetic chimeric antigen receptor (CAR) protein. CARs have a modular design comprising four main structures: an antigen-binding domain, a hinge region, a transmembrane domain, and one or more intracellular signaling domains for T-cell activation. A major challenge in the CAR T-cell manufacturing field is balancing product quality with scalability and cost-effectiveness, especially when transitioning from an academic clinical trial into a marketed product, to be implemented across many collection, manufacturing, and treatment sites. Achieving product consistency while circumnavigating the intrinsic variability associated with autologous products is an additional barrier. To overcome these limitations, a robust understanding of the product and its biological actions is crucial to establish a target product profile with a defined list of critical quality attributes to be assessed for each batch prior to product certification. Additional challenges arise as the field progresses, such as new safety considerations associated with the use of allogenic T-cells and genome editing tools. In this chapter, we will discuss the release and potency assays required for CAR T-cell manufacturing, covering their relevance, current challenges, and future perspectives.
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Affiliation(s)
- Juliana Dias
- UCL Cancer Institute, University College London, London, UK.
- Royal Free Hospital London, NHS Foundation Trust, London, UK.
| | - Amaia Cadiñanos-Garai
- USC/CHLA Cell Therapy Program, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA, USA
| | - Claire Roddie
- UCL Cancer Institute, University College London, London, UK
- Department of Haematology, UCL Hospital, London, UK
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13
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Torrents S, Grau-Vorster M, Vives J. Potency Assays: The 'Bugaboo' of Stem Cell Therapy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1420:29-38. [PMID: 37258782 DOI: 10.1007/978-3-031-30040-0_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Substantially manipulated cell-based products for human use are considered medicines and therefore regulatory authorities require extensive characterisation in terms of identity, purity and potency. The latter critical quality attribute is probably the most challenging to identify and measure, requiring provision that potency assays should reflect the intended mechanism of action and demonstrate the drugs' biological effect. However, in most cases, the mechanisms involved are not fully understood, making the definition and validation of suitable potency tests difficult, a 'bugaboo' quest to be feared. Although it is evident that much work is still needed in the scientific arena, the present chapter focuses on strategies currently used by developers of cell- and gene-based therapies to demonstrate potency of innovative medicines, the regulatory framework and need for standardisation seeking to demystify critical factors to consider when designing a potency assay.
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Affiliation(s)
- Sílvia Torrents
- Banc de Sang i Teixits, Edifici Dr. Frederic Duran i Jordà, Barcelona, Spain
- Transfusion Medicine group, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Marta Grau-Vorster
- Banc de Sang i Teixits, Edifici Dr. Frederic Duran i Jordà, Barcelona, Spain
- Transfusion Medicine group, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Joaquim Vives
- Banc de Sang i Teixits, Edifici Dr. Frederic Duran i Jordà, Barcelona, Spain.
- Musculoskeletal Tissue Engineering Group, Vall d'Hebron Research Institute (VHIR), Universitat Autònoma de Barcelona, Barcelona, Spain.
- Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain.
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14
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Cesaro G, Milia M, Baruzzo G, Finco G, Morandini F, Lazzarini A, Alotto P, da Cunha Carvalho de Miranda NF, Trajanoski Z, Finotello F, Di Camillo B. MAST: a hybrid Multi-Agent Spatio-Temporal model of tumor microenvironment informed using a data-driven approach. BIOINFORMATICS ADVANCES 2022; 2:vbac092. [PMID: 36699399 PMCID: PMC9744439 DOI: 10.1093/bioadv/vbac092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 12/03/2022] [Indexed: 12/10/2022]
Abstract
Motivation Recently, several computational modeling approaches, such as agent-based models, have been applied to study the interaction dynamics between immune and tumor cells in human cancer. However, each tumor is characterized by a specific and unique tumor microenvironment, emphasizing the need for specialized and personalized studies of each cancer scenario. Results We present MAST, a hybrid Multi-Agent Spatio-Temporal model which can be informed using a data-driven approach to simulate unique tumor subtypes and tumor-immune dynamics starting from high-throughput sequencing data. It captures essential components of the tumor microenvironment by coupling a discrete agent-based model with a continuous partial differential equations-based model.The application to real data of human colorectal cancer tissue investigating the spatio-temporal evolution and emergent properties of four simulated human colorectal cancer subtypes, along with their agreement with current biological knowledge of tumors and clinical outcome endpoints in a patient cohort, endorse the validity of our approach. Availability and implementation MAST, implemented in Python language, is freely available with an open-source license through GitLab (https://gitlab.com/sysbiobig/mast), and a Docker image is provided to ease its deployment. The submitted software version and test data are available in Zenodo at https://dx.doi.org/10.5281/zenodo.7267745. Supplementary information Supplementary data are available at Bioinformatics Advances online.
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Affiliation(s)
| | | | - Giacomo Baruzzo
- Department of Information Engineering, University of Padova, 35131 Padova, Italy
| | - Giovanni Finco
- Department of Information Engineering, University of Padova, 35131 Padova, Italy
| | - Francesco Morandini
- Department of Information Engineering, University of Padova, 35131 Padova, Italy
| | - Alessio Lazzarini
- Department of Information Engineering, University of Padova, 35131 Padova, Italy
| | - Piergiorgio Alotto
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy
| | | | - Zlatko Trajanoski
- Biocenter, Institute of Bioinformatics, Medical University of Innsbruck, 6020 Innsbruck, Austria
| | - Francesca Finotello
- Biocenter, Institute of Bioinformatics, Medical University of Innsbruck, 6020 Innsbruck, Austria,Institute of Molecular Biology, University Innsbruck, 6020 Innsbruck, Austria,Digital Science Center (DiSC), University Innsbruck, 6020 Innsbruck, Austria
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15
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Li W, Zhu X, Xu Y, Chen J, Zhang H, Yang Z, Qi Y, Hong J, Li Y, Wang G, Shen J, Qian C. Simultaneous editing of TCR, HLA-I/II and HLA-E resulted in enhanced universal CAR-T resistance to allo-rejection. Front Immunol 2022; 13:1052717. [PMID: 36532006 PMCID: PMC9757162 DOI: 10.3389/fimmu.2022.1052717] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 11/14/2022] [Indexed: 12/03/2022] Open
Abstract
Introduction The major challenge for universal chimeric antigen receptor T cell (UCAR-T) therapy is the inability to persist for a long time in patients leading to inferior efficacy clinically. The objective of this study was to design a novel UCAR-T cell that could avoid the occurrence of allo-rejection and provide effective resistance to allogeneic Natural Killer (NK) cell rejection, together with the validation of its safety and efficacy ex vivo and in vivo. Methods We prepared T-cell receptor (TCR), Human leukocyte antigen (HLA)-I/II triple-edited (TUCAR-T) cells and evaluated the anti-tumor efficacy ex vivo and in vivo. We measured the resistance of exogenous HLA-E expressing TUCAR-T (ETUCAR-T) to NK rejection by using an enhanced NK. Furthermore, we established the safety and efficacy of this regimen by treating Nalm6 tumor-bearing mice with a repeated high-dose infusion of ETUCAR-T. Moreover, we analyzed the effects of individual gene deficiency CAR-T on treated mice and the changes in the transcriptional profiles of different gene-edited T cells via RNA-Seq. Results Data showed that HLA-II editing didn't impair the anti-tumor efficacy of TUCAR-T ex vivo and in vivo and we found for the first time that HLA-II deficiency could facilitate the persistence of CAR-T. Contrastively, as the most commonly eliminated target in UCAR-T, TCR deficiency was found to be a key disadvantageous factor for the shorter-term anti-tumor efficacy in vivo. Our study demonstrated ETUCAR-T could effectively resist allogeneic NK rejection ex vivo and in vivo. Discussion Our research provided a potential and effective strategy for promoting the persistence of UCAR-T cells in clinical application. And it reveals the potential key factors of the poor persistence of UCAR-T along with new insights for future development.
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Affiliation(s)
- Wuling Li
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, China
- Center for Precision Medicine of Cancer, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Xiuxiu Zhu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, China
- Center for Precision Medicine of Cancer, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Yanmin Xu
- Chongqing Key Laboratory of Gene and Cell Therapy, Institute of Precision Medicine and Biotechnology, Chongqing Precision Biotech Co., Ltd., Chongqing, China
| | - Jun Chen
- Chongqing Key Laboratory of Gene and Cell Therapy, Institute of Precision Medicine and Biotechnology, Chongqing Precision Biotech Co., Ltd., Chongqing, China
| | - Hongtao Zhang
- Chongqing Key Laboratory of Gene and Cell Therapy, Institute of Precision Medicine and Biotechnology, Chongqing Precision Biotech Co., Ltd., Chongqing, China
| | - Zhi Yang
- Chongqing Key Laboratory of Gene and Cell Therapy, Institute of Precision Medicine and Biotechnology, Chongqing Precision Biotech Co., Ltd., Chongqing, China
| | - Yanan Qi
- Chongqing Key Laboratory of Gene and Cell Therapy, Institute of Precision Medicine and Biotechnology, Chongqing Precision Biotech Co., Ltd., Chongqing, China
| | - Juan Hong
- Chongqing Key Laboratory of Gene and Cell Therapy, Institute of Precision Medicine and Biotechnology, Chongqing Precision Biotech Co., Ltd., Chongqing, China
| | - Yunyan Li
- Chongqing Key Laboratory of Gene and Cell Therapy, Institute of Precision Medicine and Biotechnology, Chongqing Precision Biotech Co., Ltd., Chongqing, China
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, China
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, China
| | - Junjie Shen
- Chongqing Key Laboratory of Gene and Cell Therapy, Institute of Precision Medicine and Biotechnology, Chongqing Precision Biotech Co., Ltd., Chongqing, China
| | - Cheng Qian
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, China
- Center for Precision Medicine of Cancer, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
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16
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Mackenzie NJ, Nicholls C, Templeton AR, Perera MPJ, Jeffery PL, Zimmermann K, Kulasinghe A, Kenna TJ, Vela I, Williams ED, Thomas PB. Modelling the tumor immune microenvironment for precision immunotherapy. CLINICAL & TRANSLATIONAL IMMUNOLOGY 2022; 11:e1400. [PMID: 35782339 PMCID: PMC9234475 DOI: 10.1002/cti2.1400] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/14/2022] [Accepted: 06/07/2022] [Indexed: 12/15/2022]
Affiliation(s)
- Nathan J Mackenzie
- School of Biomedical Sciences at Translational Research Institute (TRI) Queensland University of Technology (QUT) Brisbane QLD Australia
- Queensland Bladder Cancer Initiative (QBCI) Brisbane QLD Australia
| | - Clarissa Nicholls
- School of Biomedical Sciences at Translational Research Institute (TRI) Queensland University of Technology (QUT) Brisbane QLD Australia
- Queensland Bladder Cancer Initiative (QBCI) Brisbane QLD Australia
| | - Abby R Templeton
- School of Biomedical Sciences at Translational Research Institute (TRI) Queensland University of Technology (QUT) Brisbane QLD Australia
- Queensland Bladder Cancer Initiative (QBCI) Brisbane QLD Australia
- Centre for Personalised Analysis of Cancers (CPAC) Brisbane QLD Australia
| | - Mahasha PJ Perera
- School of Biomedical Sciences at Translational Research Institute (TRI) Queensland University of Technology (QUT) Brisbane QLD Australia
- Queensland Bladder Cancer Initiative (QBCI) Brisbane QLD Australia
- Centre for Personalised Analysis of Cancers (CPAC) Brisbane QLD Australia
- Australian Prostate Cancer Research Centre – Queensland (APCRC‐Q) Brisbane QLD Australia
- Department of Urology Princess Alexandra Hospital Woolloongabba QLD Australia
| | - Penny L Jeffery
- School of Biomedical Sciences at Translational Research Institute (TRI) Queensland University of Technology (QUT) Brisbane QLD Australia
- Queensland Bladder Cancer Initiative (QBCI) Brisbane QLD Australia
- Centre for Personalised Analysis of Cancers (CPAC) Brisbane QLD Australia
- Australian Prostate Cancer Research Centre – Queensland (APCRC‐Q) Brisbane QLD Australia
| | - Kate Zimmermann
- School of Biomedical Sciences at Translational Research Institute (TRI) Queensland University of Technology (QUT) Brisbane QLD Australia
- Centre for Immunology and Infection Control School of Biomedical Sciences Queensland University of Technology (QUT) Brisbane QLD Australia
- Centre for Microbiome Research School of Biomedical Sciences Queensland University of Technology (QUT) Brisbane QLD Australia
| | - Arutha Kulasinghe
- University of Queensland Diamantina Institute The University of Queensland Brisbane QLD Australia
| | - Tony J Kenna
- School of Biomedical Sciences at Translational Research Institute (TRI) Queensland University of Technology (QUT) Brisbane QLD Australia
- Centre for Personalised Analysis of Cancers (CPAC) Brisbane QLD Australia
- Centre for Immunology and Infection Control School of Biomedical Sciences Queensland University of Technology (QUT) Brisbane QLD Australia
- Centre for Microbiome Research School of Biomedical Sciences Queensland University of Technology (QUT) Brisbane QLD Australia
| | - Ian Vela
- School of Biomedical Sciences at Translational Research Institute (TRI) Queensland University of Technology (QUT) Brisbane QLD Australia
- Queensland Bladder Cancer Initiative (QBCI) Brisbane QLD Australia
- Centre for Personalised Analysis of Cancers (CPAC) Brisbane QLD Australia
- Australian Prostate Cancer Research Centre – Queensland (APCRC‐Q) Brisbane QLD Australia
- Department of Urology Princess Alexandra Hospital Woolloongabba QLD Australia
| | - Elizabeth D Williams
- School of Biomedical Sciences at Translational Research Institute (TRI) Queensland University of Technology (QUT) Brisbane QLD Australia
- Queensland Bladder Cancer Initiative (QBCI) Brisbane QLD Australia
- Centre for Personalised Analysis of Cancers (CPAC) Brisbane QLD Australia
- Australian Prostate Cancer Research Centre – Queensland (APCRC‐Q) Brisbane QLD Australia
| | - Patrick B Thomas
- School of Biomedical Sciences at Translational Research Institute (TRI) Queensland University of Technology (QUT) Brisbane QLD Australia
- Queensland Bladder Cancer Initiative (QBCI) Brisbane QLD Australia
- Centre for Personalised Analysis of Cancers (CPAC) Brisbane QLD Australia
- Australian Prostate Cancer Research Centre – Queensland (APCRC‐Q) Brisbane QLD Australia
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17
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Naeimi Kararoudi M, Likhite S, Elmas E, Yamamoto K, Schwartz M, Sorathia K, de Souza Fernandes Pereira M, Sezgin Y, Devine RD, Lyberger JM, Behbehani GK, Chakravarti N, Moriarity BS, Meyer K, Lee DA. Optimization and validation of CAR transduction into human primary NK cells using CRISPR and AAV. CELL REPORTS METHODS 2022; 2:100236. [PMID: 35784645 PMCID: PMC9243630 DOI: 10.1016/j.crmeth.2022.100236] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 10/08/2021] [Accepted: 05/23/2022] [Indexed: 11/22/2022]
Abstract
Human primary natural killer (NK) cells are being widely advanced for cancer immunotherapy. However, methods for gene editing of these cells have suffered low transduction rates, high cell death, and loss of transgene expression after expansion. Here, we developed a highly efficient method for site-specific gene insertion in NK cells using CRISPR (Cas9/RNP) and AAVs. We compared AAV vectors designed to mediate gene insertion by different DNA repair mechanisms, homology arm lengths, and virus concentrations. We then validated the method for site-directed gene insertion of CD33-specific CARs into primary human NK cells. CAR transduction was efficient, its expression remained stable after expansion, and it improved efficacy against AML targets.
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Affiliation(s)
- Meisam Naeimi Kararoudi
- Center for Childhood Cancer and Blood Diseases, Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH, USA
- Department of Pediatrics, The Ohio State University, Columbus, OH, USA
| | - Shibi Likhite
- Center for Gene Therapy, Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH, USA
| | - Ezgi Elmas
- Center for Childhood Cancer and Blood Diseases, Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH, USA
- Molecular, Cellular and Developmental Biology Graduate Program, The Ohio State University, Columbus, OH, USA
| | - Kenta Yamamoto
- Department of Pediatrics, University of Minnesota, Minneapolis, MN, USA
| | - Maura Schwartz
- Center for Gene Therapy, Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH, USA
| | - Kinnari Sorathia
- Center for Childhood Cancer and Blood Diseases, Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH, USA
| | | | - Yasemin Sezgin
- Center for Childhood Cancer and Blood Diseases, Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH, USA
| | - Raymond D. Devine
- Department of Medicine, Division of Hematology, The Ohio State University Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210, USA
| | - Justin M. Lyberger
- Department of Medicine, Division of Hematology, The Ohio State University Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210, USA
| | - Gregory K. Behbehani
- Department of Medicine, Division of Hematology, The Ohio State University Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210, USA
| | - Nitin Chakravarti
- Department of Medical Oncology, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | | | - Kathrin Meyer
- Department of Pediatrics, The Ohio State University, Columbus, OH, USA
- Center for Gene Therapy, Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH, USA
| | - Dean A. Lee
- Center for Childhood Cancer and Blood Diseases, Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH, USA
- Department of Pediatrics, The Ohio State University, Columbus, OH, USA
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18
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Abadijoo H, Khayamian MA, Faramarzpour M, Ghaderinia M, Simaee H, Shalileh S, Yazdanparast SM, Ghabraie B, Makarem J, Sarrami-Forooshani R, Abdolahad M. Healing Field: Using Alternating Electric Fields to Prevent Cytokine Storm by Suppressing Clonal Expansion of the Activated Lymphocytes in the Blood Sample of the COVID-19 Patients. Front Bioeng Biotechnol 2022; 10:850571. [PMID: 35721862 PMCID: PMC9201910 DOI: 10.3389/fbioe.2022.850571] [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: 01/07/2022] [Accepted: 05/02/2022] [Indexed: 12/15/2022] Open
Abstract
In the case of the COVID-19 early diagnosis, numerous tech innovations have been introduced, and many are currently employed worldwide. But, all of the medical procedures for the treatment of this disease, up to now, are just limited to chemical drugs. All of the scientists believe that the major challenge toward the mortality of the COVID-19 patients is the out-of-control immune system activation and the subsequent cytokine production. During this process, the adaptive immune system is highly activated, and many of the lymphocytes start to clonally expand; hence many cytokines are also released. So, any attempt to harness this cytokine storm and calm down the immune outrage is appreciated. While the battleground for the immune hyperactivation is the lung ambient of the infected patients, the only medical treatment for suppressing the hypercytokinemia is based on the immunosuppressor drugs that systemically dampen the immunity with many unavoidable side effects. Here, we applied the alternating electric field to suppress the expansion of the highly activated lymphocytes, and by reducing the number of the renewed cells, the produced cytokines were also decreased. Applying this method to the blood of the COVID-19 patients in vitro showed ∼33% reduction in the average concentration of the three main cytokines after 4 days of stimulation. This method could carefully be utilized to locally suppress the hyperactivated immune cells in the lung of the COVID-19 patients without any need for systemic suppression of the immune system by the chemical drugs.
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Affiliation(s)
- Hamed Abadijoo
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Nano Electronic Center of Excellence, Thin Film and Nano Electronics Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Institute of Cancer, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
- UT and TUMS Cancer Electronics Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Ali Khayamian
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Nano Electronic Center of Excellence, Thin Film and Nano Electronics Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Institute of Cancer, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
- UT and TUMS Cancer Electronics Research Center, Tehran University of Medical Sciences, Tehran, Iran
- *Correspondence: Mohammad Ali Khayamian, , ; Mohammad Abdolahad, ,
| | - Mahsa Faramarzpour
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Nano Electronic Center of Excellence, Thin Film and Nano Electronics Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Institute of Cancer, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
- UT and TUMS Cancer Electronics Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammadreza Ghaderinia
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Nano Electronic Center of Excellence, Thin Film and Nano Electronics Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Institute of Cancer, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
- UT and TUMS Cancer Electronics Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Simaee
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Nano Electronic Center of Excellence, Thin Film and Nano Electronics Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Institute of Cancer, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
- UT and TUMS Cancer Electronics Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Shahriar Shalileh
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Nano Electronic Center of Excellence, Thin Film and Nano Electronics Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Institute of Cancer, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
- UT and TUMS Cancer Electronics Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Mojtaba Yazdanparast
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Nano Electronic Center of Excellence, Thin Film and Nano Electronics Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Institute of Cancer, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
- UT and TUMS Cancer Electronics Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Bahman Ghabraie
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Nano Electronic Center of Excellence, Thin Film and Nano Electronics Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Institute of Cancer, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
- UT and TUMS Cancer Electronics Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Jalil Makarem
- UT and TUMS Cancer Electronics Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ramin Sarrami-Forooshani
- ATMP Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
- Department of Experimental Immunology, Amsterdam Infection and Immunity Institute, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Mohammad Abdolahad
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Nano Electronic Center of Excellence, Thin Film and Nano Electronics Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran
- Institute of Cancer, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
- UT and TUMS Cancer Electronics Research Center, Tehran University of Medical Sciences, Tehran, Iran
- *Correspondence: Mohammad Ali Khayamian, , ; Mohammad Abdolahad, ,
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19
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Newton HS, Dobrovolskaia MA. Immunophenotyping: Analytical approaches and role in preclinical development of nanomedicines. Adv Drug Deliv Rev 2022; 185:114281. [PMID: 35405297 DOI: 10.1016/j.addr.2022.114281] [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: 12/21/2021] [Revised: 02/18/2022] [Accepted: 04/05/2022] [Indexed: 12/17/2022]
Abstract
Pharmaceutical products can activate immune cells, suppress their function, or change the immune responses to traditional immunologically active agonists such as those present in microbes. Therefore, the assessment of immunostimulation, immunosuppression, and immunomodulation comprises the backbone of immunotoxicity studies of new drug entities. Depending on physicochemical properties (e.g., size, charge, surface functionalities, hydrophobicity), nanoparticles can be immunostimulatory, immunosuppressive, and immunomodulatory. Various methods and experimental frameworks have been established to support preclinical translational studies of nanotechnology-based drug products. Immunophenotyping after the exposure of cells or preclinical animal models to nanoparticles can provide critical information about the changes in both the numbers of immune cells and their activation status. However, this methodology is underutilized in preclinical studies of engineered nanomaterials. Herein, we review current literature about varieties of instrumentation and methods utilized for immunophenotyping, discuss their advantages and limitations, and propose a roadmap for applying immunophenotyping to support preclinical immunological characterization of nanotechnology-based formulations.
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Affiliation(s)
- Hannah S Newton
- Nanotechnology Characterization Lab, Frederick National Laboratory for Cancer Research, Frederick MD, USA
| | - Marina A Dobrovolskaia
- Nanotechnology Characterization Lab, Frederick National Laboratory for Cancer Research, Frederick MD, USA.
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20
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Giardino Torchia ML, Letizia M, Gilbreth R, Merlino A, Sult E, Monks N, Chesebrough J, Tammali R, Chu N, Tong J, Meekin J, Schifferli K, Vashisht K, DaCosta K, Clarke L, Gesse C, Yao XT, Bridges C, Moody G. Rational design of chimeric antigen receptor T cells against glypican 3 decouples toxicity from therapeutic efficacy. Cytotherapy 2022; 24:720-732. [DOI: 10.1016/j.jcyt.2022.03.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 02/28/2022] [Accepted: 03/18/2022] [Indexed: 12/11/2022]
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21
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Combination Blockade of the IL6R/STAT-3 Axis with TIGIT and Its Impact on the Functional Activity of NK Cells against Prostate Cancer Cells. J Immunol Res 2022; 2022:1810804. [PMID: 35465350 PMCID: PMC9020142 DOI: 10.1155/2022/1810804] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/15/2022] [Indexed: 02/07/2023] Open
Abstract
Background/Aims. Prostate cancer (PCa) is one of the neoplasms with the highest incidence and mortality rate in men worldwide. Advanced stages of the disease are usually very aggressive, and most are treated with chemotherapeutic drugs that generally cause side effects in these patients. However, additional therapeutic targets such as the IL6R/STAT-3 axis and TIGIT have been proposed, mainly due to their relevance in the development of PCa and regulation of NK cell-mediated cytotoxicity. Here, we evaluate the effect of inhibitors directed against these therapeutic targets primarily via an analysis of NK cell function versus prostate cancer cells. Methods. We analyzed the secretion of cytokines, chemokines, and growth factors in 22Rv1, LNCaP, and DU145 cells. In these cells, we also evaluated the expression of NK ligands, IL6R, STAT-3, and phosporylated STAT-3. In NK-92 cells, we evaluated the effects of Stattic (Stt) and tocilizumab (Tcz) on NK receptors. In addition, we assessed if the disruption of the IL6R/STAT-3 pathway and blockade of TIGIT potentiated the cytotoxicity of NK-92 cells versus DU145 cells. Results. DU145 abundantly secretes M-CSF, VEGF, IL-6, CXCL8, and TGF-β. Furthermore, the expression of CD155 was found to increase in accordance with aggressiveness and metastatic status in the prostate cancer cells. Stt and Tcz induce a decrease in STAT-3 phosphorylation in the DU145 cells and, in turn, induce an increase of NKp46 and a decrease of TIGIT expression in NK-92 cells. Finally, the disruption of the IL6R/STAT-3 axis in prostate cancer cells and the blocking of TIGIT on NK-92 were observed to increase the cytotoxicity of NK-92 cells against DU145 cells through an increase in sFasL, granzyme A, granzyme B, and granulysin. Conclusions. Our results reveal that the combined use of inhibitors directed against the IL6R/STAT-3 axis and TIGIT enhances the functional activity of NK cells against castration-resistant prostate cancer cells.
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22
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Preclinical Evaluation of CAR T Cell Function: In Vitro and In Vivo Models. Int J Mol Sci 2022; 23:ijms23063154. [PMID: 35328572 PMCID: PMC8955360 DOI: 10.3390/ijms23063154] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/11/2022] [Accepted: 03/11/2022] [Indexed: 01/12/2023] Open
Abstract
Immunotherapy using chimeric antigen receptor (CAR) T cells is a rapidly emerging modality that engineers T cells to redirect tumor-specific cytotoxicity. CAR T cells have been well characterized for their efficacy against B cell malignancies, and rigorously studied in other types of tumors. Preclinical evaluation of CAR T cell function, including direct tumor killing, cytokine production, and memory responses, is crucial to the development and optimization of CAR T cell therapies. Such comprehensive examinations are usually performed in different types of models. Model establishment should focus on key challenges in the clinical setting and the capability to generate reliable data to indicate CAR T cell therapeutic potency in the clinic. Further, modeling the interaction between CAR T cells and tumor microenvironment provides additional insight for the future endeavors to enhance efficacy, especially against solid tumors. This review will summarize both in vitro and in vivo models for CAR T cell functional evaluation, including how they have evolved with the needs of CAR T cell research, the information they can provide for preclinical assessment of CAR T cell products, and recent technology advances to test CAR T cells in more clinically relevant models.
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23
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Kanemaru H, Mizukami Y, Kaneko A, Kajihara I, Fukushima S. A protocol for quantifying lymphocyte-mediated cytotoxicity using an impedance-based real-time cell analyzer. STAR Protoc 2022; 3:101128. [PMID: 35118432 PMCID: PMC8792266 DOI: 10.1016/j.xpro.2022.101128] [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] [Indexed: 11/01/2022] Open
Abstract
Current standard assays to analyze lymphocyte-mediated antitumor cytotoxicity employ radioisotopic or fluorescent labels. However, such assays are not suitable for real-time analysis. Here we describe a protocol that facilitates the analysis of lymphocyte-mediated toxicity using a label-free, impedance-based real-time cell analyzer. This analyzer measures cellular electrical impedance, expressed as the cell index value, noninvasively and continuously. In contrast with label-dependent assays, this protocol simultaneously generates real-time killing curves useful for quantifying lymphocyte-mediated cytotoxicity in real time. For complete details on the use and execution of this protocol, please refer to Kanemaru et al. (2021). A label-independent assay assesses lymphocyte-mediated cytotoxicity Cellular electrical impedance expressed as the cell index value Continuous and noninvasive measurements of changes in cell number Generates real-time killing curves, in contrast to label-dependent assays
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24
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Naghizadeh A, Tsao WC, Hyun Cho J, Xu H, Mohamed M, Li D, Xiong W, Metaxas D, Ramos CA, Liu D. In vitro machine learning-based CAR T immunological synapse quality measurements correlate with patient clinical outcomes. PLoS Comput Biol 2022; 18:e1009883. [PMID: 35303007 PMCID: PMC8955962 DOI: 10.1371/journal.pcbi.1009883] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 01/28/2022] [Indexed: 12/04/2022] Open
Abstract
The human immune system consists of a highly intelligent network of billions of independent, self-organized cells that interact with each other. Machine learning (ML) is an artificial intelligence (AI) tool that automatically processes huge amounts of image data. Immunotherapies have revolutionized the treatment of blood cancer. Specifically, one such therapy involves engineering immune cells to express chimeric antigen receptors (CAR), which combine tumor antigen specificity with immune cell activation in a single receptor. To improve their efficacy and expand their applicability to solid tumors, scientists optimize different CARs with different modifications. However, predicting and ranking the efficacy of different "off-the-shelf" immune products (e.g., CAR or Bispecific T-cell Engager [BiTE]) and selection of clinical responders are challenging in clinical practice. Meanwhile, identifying the optimal CAR construct for a researcher to further develop a potential clinical application is limited by the current, time-consuming, costly, and labor-intensive conventional tools used to evaluate efficacy. Particularly, more than 30 years of immunological synapse (IS) research data demonstrate that T cell efficacy is not only controlled by the specificity and avidity of the tumor antigen and T cell interaction, but also it depends on a collective process, involving multiple adhesion and regulatory molecules, as well as tumor microenvironment, spatially and temporally organized at the IS formed by cytotoxic T lymphocytes (CTL) and natural killer (NK) cells. The optimal function of cytotoxic lymphocytes (including CTL and NK) depends on IS quality. Recognizing the inadequacy of conventional tools and the importance of IS in immune cell functions, we investigate a new strategy for assessing CAR-T efficacy by quantifying CAR IS quality using the glass-support planar lipid bilayer system combined with ML-based data analysis. Previous studies in our group show that CAR-T IS quality correlates with antitumor activities in vitro and in vivo. However, current manually quantified IS quality data analysis is time-consuming and labor-intensive with low accuracy, reproducibility, and repeatability. In this study, we develop a novel ML-based method to quantify thousands of CAR cell IS images with enhanced accuracy and speed. Specifically, we used artificial neural networks (ANN) to incorporate object detection into segmentation. The proposed ANN model extracts the most useful information to differentiate different IS datasets. The network output is flexible and produces bounding boxes, instance segmentation, contour outlines (borders), intensities of the borders, and segmentations without borders. Based on requirements, one or a combination of this information is used in statistical analysis. The ML-based automated algorithm quantified CAR-T IS data correlates with the clinical responder and non-responder treated with Kappa-CAR-T cells directly from patients. The results suggest that CAR cell IS quality can be used as a potential composite biomarker and correlates with antitumor activities in patients, which is sufficiently discriminative to further test the CAR IS quality as a clinical biomarker to predict response to CAR immunotherapy in cancer. For translational research, the method developed here can also provide guidelines for designing and optimizing numerous CAR constructs for potential clinical development. Trial Registration: ClinicalTrials.gov NCT00881920.
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Affiliation(s)
- Alireza Naghizadeh
- Department of Pathology, Immunology and Laboratory Medicine, Rutgers University-New Jersey Medical School, Newark, New Jersey, United States of America
- Center for Immunity and Inflammation, New Jersey Medical School, Rutgers-The State University of New Jersey, Newark, New Jersey, United States of America
| | - Wei-chung Tsao
- Department of Pathology, Immunology and Laboratory Medicine, Rutgers University-New Jersey Medical School, Newark, New Jersey, United States of America
- Center for Immunity and Inflammation, New Jersey Medical School, Rutgers-The State University of New Jersey, Newark, New Jersey, United States of America
| | - Jong Hyun Cho
- Department of Pathology, Immunology and Laboratory Medicine, Rutgers University-New Jersey Medical School, Newark, New Jersey, United States of America
- Center for Immunity and Inflammation, New Jersey Medical School, Rutgers-The State University of New Jersey, Newark, New Jersey, United States of America
| | - Hongye Xu
- Department of Pathology, Immunology and Laboratory Medicine, Rutgers University-New Jersey Medical School, Newark, New Jersey, United States of America
- Center for Immunity and Inflammation, New Jersey Medical School, Rutgers-The State University of New Jersey, Newark, New Jersey, United States of America
| | - Mohab Mohamed
- Department of Pathology, Immunology and Laboratory Medicine, Rutgers University-New Jersey Medical School, Newark, New Jersey, United States of America
- Center for Immunity and Inflammation, New Jersey Medical School, Rutgers-The State University of New Jersey, Newark, New Jersey, United States of America
| | - Dali Li
- Center for Inflammation and Epigenetics, Houston Methodist Research Institute, Houston, Texas, United States of America
| | - Wei Xiong
- Center for Inflammation and Epigenetics, Houston Methodist Research Institute, Houston, Texas, United States of America
| | - Dimitri Metaxas
- Department of Computer Science, Rutgers University, Piscataway Township, New Jersey, United States of America
| | - Carlos A. Ramos
- Department of Medicine, Baylor College of Medicine, Houston, Texas, United States of America
| | - Dongfang Liu
- Department of Pathology, Immunology and Laboratory Medicine, Rutgers University-New Jersey Medical School, Newark, New Jersey, United States of America
- Center for Immunity and Inflammation, New Jersey Medical School, Rutgers-The State University of New Jersey, Newark, New Jersey, United States of America
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25
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Singh K, Batich KA, Wen PY, Tan AC, Bagley SJ, Lim M, Platten M, Colman H, Ashley DM, Chang SM, Rahman R, Galanis E, Mansouri A, Puduvalli VK, Reardon DA, Sahebjam S, Sampson JH, Simes J, Berry DA, Zadeh G, Cloughesy TF, Mehta MP, Piantadosi S, Weller M, Heimberger AB, Khasraw M. Designing Clinical Trials for Combination Immunotherapy: A Framework for Glioblastoma. Clin Cancer Res 2022; 28:585-593. [PMID: 34561270 PMCID: PMC9306329 DOI: 10.1158/1078-0432.ccr-21-2681] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/31/2021] [Accepted: 09/14/2021] [Indexed: 01/07/2023]
Abstract
Immunotherapy has revolutionized treatment for many hard-to-treat cancers but has yet to produce significant improvement in outcomes for patients with glioblastoma. This reflects the multiple and unique mechanisms of immune evasion and escape in this highly heterogeneous tumor. Glioblastoma engenders profound local and systemic immunosuppression and is remarkably effective at inducing T-cell dysfunction, posing a challenge to any immunotherapy-based approach. To overcome these mechanisms, multiple disparate modes of immune-oriented therapy will be required. However, designing trials that can evaluate these combinatorial approaches requires careful consideration. In this review, we explore the immunotherapy resistance mechanisms that have been encountered to date and how combinatorial approaches may address these. We also describe the unique aspects of trial design in both preclinical and clinical settings and consider endpoints and markers of response best suited for an intervention involving multiple agents.
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Affiliation(s)
| | | | | | | | | | | | - Michael Platten
- Medical Faculty Mannheim, MCTN, Heidelberg University and German Cancer Research Center, Heidelberg, Germany
| | | | | | - Susan M. Chang
- University of California, San Francisco (UCSF), San Francisco, California
| | | | | | | | | | | | - Solmaz Sahebjam
- Moffitt Cancer Center, University of South Florida, Tampa, Florida
| | | | - John Simes
- NHMRC Clinical Trials Centre, University of Sydney, NSW, Australia
| | | | | | | | | | | | - Michael Weller
- University Hospital and University of Zurich, Department of Neurology, Zürich, Switzerland
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26
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Floerchinger A, Engeland CE. NK Cell Effector Functions and Bystander Tumor Cell Killing in Immunovirotherapy. Methods Mol Biol 2022; 2521:233-248. [PMID: 35733001 DOI: 10.1007/978-1-0716-2441-8_12] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Oncolytic virotherapy is a compelling strategy to combine cancer gene therapy with immunotherapy. Lytic virus replication in malignant cells not only enables localized transgene expression based on engineered vectors but also triggers immunogenic tumor cell death and elicits inflammation in the tumor microenvironment. Modified oncolytic viruses encoding immunomodulators have been developed to enhance antitumor immune effects and therapeutic efficacy. As one example, bispecific molecules that engage immune cells to exert antitumor cytotoxicity can be encoded within the viral vector. This chapter describes an in vitro coculture experiment to study functionality and antitumor efficacy of engineered measles vaccine strain virus encoding natural killer cell engagers. In a flow cytometry-based analysis, target cell death of noninfected bystander cancer cells and effector functions of primary human natural killer cells are investigated. This methodology can facilitate assessment of advanced oncolytic viral vectors for cancer immunotherapy.
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Affiliation(s)
- Alessia Floerchinger
- Center for Biomedical Research and Education (ZBAF), School of Medicine, Institute of Virology and Microbiology, Faculty of Health, Witten/Herdecke University, Witten, Germany
| | - Christine E Engeland
- Center for Biomedical Research and Education (ZBAF), School of Medicine, Institute of Virology and Microbiology, Faculty of Health, Witten/Herdecke University, Witten, Germany.
- Clinical Cooperation Unit Virotherapy, German Cancer Research Center (DKFZ), National Center for Tumor Diseases (NCT) and Department of Medical Oncology, University Hospital Heidelberg, Heidelberg, Germany.
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27
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In Vitro Cell Impedance Assay to Examine Antigen-Specific T-Cell-Mediated Melanoma Cell Killing to Support Cancer Immunotherapy Drug Discovery. Methods Mol Biol 2022; 2413:63-68. [PMID: 35044655 PMCID: PMC9094138 DOI: 10.1007/978-1-0716-1896-7_8] [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: 01/03/2023]
Abstract
The design of cancer immunotherapy drugs is essential for the continued investigation of novel drug regimens to improve responses and increase the survival of cancer patients. Methods to examine the interaction of effector immune cells with target cancer cells are limited by labor-intensive labeling that can be examined at specific time points. In this report, we examine an antigen-dependent model of effector cytotoxic (CD8+) T-cell-mediated cytotoxicity of target murine melanoma cells using a real-time cell impedance assay. The real-time monitoring allows measurement of viability and kinetics, allowing for a better understanding of effector/target cell interactions to support drug discovery.
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28
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Lisby AN, Carlson RD, Baybutt TR, Weindorfer M, Snook AE. Evaluation of CAR-T cell cytotoxicity: Real-time impedance-based analysis. Methods Cell Biol 2022; 167:81-98. [DOI: 10.1016/bs.mcb.2021.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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29
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Song XH, He N, Xing YT, Jin XQ, Li YW, Liu SS, Gao ZY, Guo C, Wang JJ, Huang YY, Hu H, Wang LL. A Novel Age-Related Circular RNA Circ-ATXN2 Inhibits Proliferation, Promotes Cell Death and Adipogenesis in Rat Adipose Tissue-Derived Stromal Cells. Front Genet 2021; 12:761926. [PMID: 34858478 PMCID: PMC8630790 DOI: 10.3389/fgene.2021.761926] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 10/26/2021] [Indexed: 12/13/2022] Open
Abstract
Adipose tissue-derived stromal cells are promising candidates investigating the stem cell-related treatment. However, their proportion and utility in the human body decline with time, rendering stem cells incompetent to complete repair processes in vivo. The involvement of circRNAs in the aging process is poorly understood. Rat subcutaneous adipose tissue from 10-week-old and 27-month-old rats were used for hematoxylin and eosin (H and E) staining, TUNEL staining, and circRNA sequencing. Rat adipose tissue-derived stromal cells were cultured and overexpressed with circ-ATXN2. Proliferation was examined using xCELLigence real-time cell analysis, EdU staining, and cell cycle assay. Apoptosis was induced by CoCl2 and examined using flow cytometry. RT-PCR assay and Oil Red O staining were used to measure adipogenesis at 48 h and 14 days, respectively. H and E staining showed that the diameter of adipocytes increased; however, the number of cells decreased in old rats. TUNEL staining showed that the proportion of apoptotic cells was increased in old rats. A total of 4,860 and 4,952 circRNAs was detected in young and old rats, respectively. Among them, 67 circRNAs exhibited divergent expression between the two groups (fold change ≥2, p ≤ 0.05), of which 33 were upregulated (49.3%) and 34 were downregulated (50.7%). The proliferation of circ-ATXN2-overexpressing cells decreased significantly in vitro, which was further validated by xCELLigence real-time cell analysis, EdU staining, and cell cycle assay. Overexpression of circ-ATXN2 significantly increased the total apoptotic rate from 5.78 ± 0.46% to 11.97 ± 1.61%, early apoptotic rate from 1.76 ± 0.22% to 5.50 ± 0.66%, and late apoptosis rate from 4.02 ± 0.25% to 6.47 ± 1.06% in adipose tissue-derived stromal cells. Furthermore, in circ-ATXN2-overexpressing cells, RT-PCR assay revealed that the expression levels of adipose differentiation-related genes PPARγ and CEBP/α were increased and the Oil Red O staining assay showed more lipid droplets. Our study revealed the expression profile of circRNAs in the adipose tissue of old rats. We found a novel age-related circular RNA—circ-ATXN2—that inhibits proliferation and promotes cell death and adipogenesis in rat adipose tissue-derived stromal cells.
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Affiliation(s)
- Xing-Hui Song
- Core Facilities, Zhejiang University School of Medicine, Hangzhou, China
| | - Ning He
- Department of Basic Medicine Sciences and Department of Orthopaedics of Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yue-Ting Xing
- Core Facilities, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiao-Qin Jin
- China Medical Research Center, Zhejiang Chinese Medical University Academy of Chinese Medical Sciences, Hangzhou, China
| | - Yan-Wei Li
- Core Facilities, Zhejiang University School of Medicine, Hangzhou, China
| | - Shuang-Shuang Liu
- Core Facilities, Zhejiang University School of Medicine, Hangzhou, China
| | - Zi-Ying Gao
- School of Medicine, Zhejiang University City College, Hangzhou, China
| | - Chun Guo
- Core Facilities, Zhejiang University School of Medicine, Hangzhou, China
| | - Jia-Jia Wang
- Core Facilities, Zhejiang University School of Medicine, Hangzhou, China
| | - Ying-Ying Huang
- Core Facilities, Zhejiang University School of Medicine, Hangzhou, China
| | - Hu Hu
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou, China
| | - Lin-Lin Wang
- Department of Basic Medicine Sciences and Department of Orthopaedics of Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
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30
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Van De Vyver A, Eigenmann M, Ovacik M, Pohl C, Herter S, Weinzierl T, Fauti T, Klein C, Lehr T, Bacac M, Walz AC. A Novel Approach for Quantifying the Pharmacological Activity of T-Cell Engagers Utilizing In Vitro Time Course Experiments and Streamlined Data Analysis. AAPS J 2021; 24:7. [PMID: 34862519 PMCID: PMC8817205 DOI: 10.1208/s12248-021-00637-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 08/11/2021] [Indexed: 11/30/2022] Open
Abstract
CD3-bispecific antibodies are a new class of immunotherapeutic drugs against cancer. The pharmacological activity of CD3-bispecifics is typically assessed through in vitro assays of cancer cell lines co-cultured with human peripheral blood mononuclear cells (PBMCs). Assay results depend on experimental conditions such as incubation time and the effector-to-target cell ratio, which can hinder robust quantification of pharmacological activity. In order to overcome these limitations, we developed a new, holistic approach for quantification of the in vitro dose–response relationship. Our experimental design integrates a time-independent analysis of the dose–response across different time points as an alternative to the static, “snap-shot” analysis based on a single time point commonly used in dose–response assays. We show that the potency values derived from static
in vitro experiments depend on the incubation time, which leads to inconsistent results across multiple assays and compounds. We compared the potency values from the time-independent analysis with a model-based approach. We find comparably accurate potency estimates from the model-based and time-independent analyses and that the time-independent analysis provides a robust quantification of pharmacological activity. This approach may allow for an improved head-to-head comparison of different compounds and test systems and may prove useful for supporting first-in-human dose selection.
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Affiliation(s)
- Arthur Van De Vyver
- Roche Pharma Research & Early Development, Pharmaceutical Sciences, Roche Innovation Center Basel, Grenzacherstrasse 124, CH-4070, Basel, Switzerland.,Department of Clinical Pharmacy, Saarland University, Saarbrücken, Germany
| | - Miro Eigenmann
- Roche Pharma Research & Early Development, Pharmaceutical Sciences, Roche Innovation Center Basel, Grenzacherstrasse 124, CH-4070, Basel, Switzerland
| | - Meric Ovacik
- Preclinical Translational Pharmacokinetics, South San Francisco, CA, Genentech, USA
| | - Christian Pohl
- Roche Pharma Research and Early Development, Roche Innovation Center Zürich, Wagistrasse 10, 8952, Schlieren, Switzerland
| | - Sylvia Herter
- Roche Pharma Research and Early Development, Roche Innovation Center Zürich, Wagistrasse 10, 8952, Schlieren, Switzerland
| | - Tina Weinzierl
- Roche Pharma Research and Early Development, Roche Innovation Center Zürich, Wagistrasse 10, 8952, Schlieren, Switzerland
| | - Tanja Fauti
- Roche Pharma Research and Early Development, Roche Innovation Center Zürich, Wagistrasse 10, 8952, Schlieren, Switzerland
| | - Christian Klein
- Roche Pharma Research and Early Development, Roche Innovation Center Zürich, Wagistrasse 10, 8952, Schlieren, Switzerland
| | - Thorsten Lehr
- Department of Clinical Pharmacy, Saarland University, Saarbrücken, Germany
| | - Marina Bacac
- Roche Pharma Research and Early Development, Roche Innovation Center Zürich, Wagistrasse 10, 8952, Schlieren, Switzerland
| | - Antje-Christine Walz
- Roche Pharma Research & Early Development, Pharmaceutical Sciences, Roche Innovation Center Basel, Grenzacherstrasse 124, CH-4070, Basel, Switzerland.
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31
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Ukidve A, Cu K, Kumbhojkar N, Lahann J, Mitragotri S. Overcoming biological barriers to improve solid tumor immunotherapy. Drug Deliv Transl Res 2021; 11:2276-2301. [PMID: 33611770 DOI: 10.1007/s13346-021-00923-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/21/2021] [Indexed: 02/06/2023]
Abstract
Cancer immunotherapy has been at the forefront of therapeutic interventions for many different tumor types over the last decade. While the discovery of immunotherapeutics continues to occur at an accelerated rate, their translation is often hindered by a lack of strategies to deliver them specifically into solid tumors. Accordingly, significant scientific efforts have been dedicated to understanding the underlying mechanisms that govern their delivery into tumors and the subsequent immune modulation. In this review, we aim to summarize the efforts focused on overcoming tumor-associated biological barriers and enhancing the potency of immunotherapy. We summarize the current understanding of biological barriers that limit the entry of intravascularly administered immunotherapies into the tumors, in vitro techniques developed to investigate the underlying transport processes, and delivery strategies developed to overcome the barriers. Overall, we aim to provide the reader with a framework that guides the rational development of technologies for improved solid tumor immunotherapy.
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Affiliation(s)
- Anvay Ukidve
- John A Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
- Wyss Institute of Biologically Inspired Engineering at Harvard University, Boston, MA, 02115, USA
| | - Katharina Cu
- John A Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
- Wyss Institute of Biologically Inspired Engineering at Harvard University, Boston, MA, 02115, USA
| | - Ninad Kumbhojkar
- John A Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
- Wyss Institute of Biologically Inspired Engineering at Harvard University, Boston, MA, 02115, USA
| | - Joerg Lahann
- Department of Chemical Engineering, Department of Material Science & Engineering, Department of Macromolecular Science & Engineering, Department of Biomedical Engineering, and Biointerfaces Institute, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Samir Mitragotri
- John A Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA.
- Wyss Institute of Biologically Inspired Engineering at Harvard University, Boston, MA, 02115, USA.
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32
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Morand du Puch CB, Vanderstraete M, Giraud S, Lautrette C, Christou N, Mathonnet M. Benefits of functional assays in personalized cancer medicine: more than just a proof-of-concept. Am J Cancer Res 2021; 11:9538-9556. [PMID: 34646385 PMCID: PMC8490527 DOI: 10.7150/thno.55954] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 05/16/2021] [Indexed: 02/06/2023] Open
Abstract
As complex and heterogeneous diseases, cancers require a more tailored therapeutic management than most pathologies. Recent advances in anticancer drug development, including the immuno-oncology revolution, have been too often plagued by unsatisfying patient response rates and survivals. In reaction to this, cancer care has fully transitioned to the “personalized medicine” concept. Numerous tools are now available tools to better adapt treatments to the profile of each patient. They encompass a large array of diagnostic assays, based on biomarkers relevant to targetable molecular pathways. As a subfamily of such so-called companion diagnostics, chemosensitivity and resistance assays represent an attractive, yet insufficiently understood, approach to individualize treatments. They rely on the assessment of a composite biomarker, the ex vivo functional response of cancer cells to drugs, to predict a patient's outcome. Systemic treatments, such as chemotherapies, as well as targeted treatments, whose efficacy cannot be fully predicted yet by other diagnostic tests, may be assessed through these means. The results can provide helpful information to assist clinicians in their decision-making process. We explore here the most advanced functional assays across oncology indications, with an emphasis on tests already displaying a convincing clinical demonstration. We then recapitulate the main technical obstacles faced by researchers and clinicians to produce more accurate, and thus more predictive, models and the recent advances that have been developed to circumvent them. Finally, we summarize the regulatory and quality frameworks surrounding functional assays to ensure their safe and performant clinical implementation. Functional assays are valuable in vitro diagnostic tools that already stand beyond the “proof-of-concept” stage. Clinical studies show they have a major role to play by themselves but also in conjunction with molecular diagnostics. They now need a final lift to fully integrate the common armament used against cancers, and thus make their way into the clinical routine.
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Boyd N, Cartledge K, Cao H, Evtimov V, Pupovac A, Trounson A, Boyd R. 'Off-the-Shelf' Immunotherapy: Manufacture of CD8 + T Cells Derived from Hematopoietic Stem Cells. Cells 2021; 10:2631. [PMID: 34685611 PMCID: PMC8534391 DOI: 10.3390/cells10102631] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 09/11/2021] [Accepted: 09/24/2021] [Indexed: 12/28/2022] Open
Abstract
Cellular immunotherapy is revolutionizing cancer treatment. However, autologous transplants are complex, costly, and limited by the number and quality of T cells that can be isolated from and expanded for re-infusion into each patient. This paper demonstrates a stromal support cell-free in vitro method for the differentiation of T cells from umbilical cord blood hematopoietic stem cells (HSCs). For each single HSC cell input, approximately 5 × 104 T cells were created with an initial five days of HSC expansion and subsequent T cell differentiation over 49 days. When the induced in vitro differentiated T cells were activated by cytokines and anti-CD3/CD28 beads, CD8+ T cell receptor (TCR) γδ+ T cells were preferentially generated and elicited cytotoxic function against ovarian cancer cells in vitro. This process of inducing de novo functional T cells offers a possible strategy to increase T cell yields, simplify manufacturing, and reduce costs with application potential for conversion into chimeric antigen receptor (CAR)-T cells for cancer immunotherapy and for allogeneic transplantation to restore immune competence.
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Affiliation(s)
- Nicholas Boyd
- Cartherics Pty Ltd., Clayton, VIC 3168, Australia; (N.B.); (K.C.); (H.C.); (V.E.); (A.P.); (A.T.)
| | - Kellie Cartledge
- Cartherics Pty Ltd., Clayton, VIC 3168, Australia; (N.B.); (K.C.); (H.C.); (V.E.); (A.P.); (A.T.)
| | - Huimin Cao
- Cartherics Pty Ltd., Clayton, VIC 3168, Australia; (N.B.); (K.C.); (H.C.); (V.E.); (A.P.); (A.T.)
| | - Vera Evtimov
- Cartherics Pty Ltd., Clayton, VIC 3168, Australia; (N.B.); (K.C.); (H.C.); (V.E.); (A.P.); (A.T.)
| | - Aleta Pupovac
- Cartherics Pty Ltd., Clayton, VIC 3168, Australia; (N.B.); (K.C.); (H.C.); (V.E.); (A.P.); (A.T.)
| | - Alan Trounson
- Cartherics Pty Ltd., Clayton, VIC 3168, Australia; (N.B.); (K.C.); (H.C.); (V.E.); (A.P.); (A.T.)
- Department of Obstetrics and Gynaecology, Monash University, Clayton, VIC 3168, Australia
| | - Richard Boyd
- Cartherics Pty Ltd., Clayton, VIC 3168, Australia; (N.B.); (K.C.); (H.C.); (V.E.); (A.P.); (A.T.)
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34
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Abou-El-Enein M, Elsallab M, Feldman SA, Fesnak AD, Heslop HE, Marks P, Till BG, Bauer G, Savoldo B. Scalable Manufacturing of CAR T cells for Cancer Immunotherapy. Blood Cancer Discov 2021; 2:408-422. [PMID: 34568831 PMCID: PMC8462122 DOI: 10.1158/2643-3230.bcd-21-0084] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
As of April 2021, there are five commercially available chimeric antigen receptor (CAR) T cell therapies for hematological malignancies. With the current transition of CAR T cell manufacturing from academia to industry, there is a shift toward Good Manufacturing Practice (GMP)-compliant closed and automated systems to ensure reproducibility and to meet the increased demand for cancer patients. In this review we describe current CAR T cells clinical manufacturing models and discuss emerging technological advances that embrace scaling and production optimization. We summarize measures being used to shorten CAR T-cell manufacturing times and highlight regulatory challenges to scaling production for clinical use. Statement of Significance ∣ As the demand for CAR T cell cancer therapy increases, several closed and automated production platforms are being deployed, and others are in development.This review provides a critical appraisal of these technologies that can be leveraged to scale and optimize the production of next generation CAR T cells.
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Affiliation(s)
- Mohamed Abou-El-Enein
- Division of Medical Oncology, Department of Medicine, and Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.,Joint USC/CHLA Cell Therapy Program, University of Southern California, and Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Magdi Elsallab
- Joint USC/CHLA Cell Therapy Program, University of Southern California, and Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Steven A Feldman
- Stanford Center for Cancer Cell Therapy, Stanford Cancer Institute, Palo Alto, CA
| | - Andrew D Fesnak
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.,Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Helen E Heslop
- Center for Cell and Gene Therapy, Baylor College of Medicine, Texas Children's Hospital and Houston Methodist Hospital, Houston, TX, USA
| | - Peter Marks
- Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, USA
| | - Brian G Till
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Gerhard Bauer
- Institute for Regenerative Cures (IRC), University of California Davis, Sacramento, California, USA
| | - Barbara Savoldo
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC, USA
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35
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Arora S, Thompson PJ, Wang Y, Bhattacharyya A, Apostolopoulou H, Hatano R, Naikawadi RP, Shah A, Wolters PJ, Koliwad S, Bhattacharya M, Bhushan A. Invariant Natural Killer T cells coordinate removal of senescent cells. MED 2021; 2:938-950. [PMID: 34617070 DOI: 10.1016/j.medj.2021.04.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Background The failure of immune surveillance to remove senescent cells drive age-related diseases. Here, we target an endogenous immune surveillance mechanism that can promote elimination of senescent cells and reverse disease progression. Methods We identify a class of lipid-activated T cells, invariant natural killer T cells (iNKTs) are involved in the removal of pathologic senescent cells. We use two disease models in which senescent cells accumulate to test whether activation of iNKT cells was sufficient to eliminate senescent cells in vivo. Findings Senescent preadipocytes accumulate in white adipose tissue of chronic high-fat diet (HFD) fed mice, and activation of iNKT cells with the prototypical glycolipid antigen alpha-galactosylceramide (αGalCer) led to a reduction of these cells with improved glucose control. Similarly, senescent cells accumulate within the lungs of mice injured by inhalational bleomycin, and αGalCer-induced activation of iNKT cells greatly limited this accumulation, decreased the lung fibrosis and improved survival. Furthermore, co-culture experiments showed that the preferential cytotoxic activity of iNKT cells to senescent cells is conserved in human cells. Conclusions These results uncover a senolytic capacity of tissue-resident iNKT cells and pave the way for anti-senescence therapies that target these cells and their mechanism of activation.
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Affiliation(s)
- Shivani Arora
- Diabetes Center, University of California San Francisco, San Francisco CA, USA 94143
| | - Peter J Thompson
- Diabetes Center, University of California San Francisco, San Francisco CA, USA 94143
| | - Yao Wang
- Diabetes Center, University of California San Francisco, San Francisco CA, USA 94143
| | - Aritra Bhattacharyya
- Division of Pulmonary and Critical Care, Department of Medicine, University of California San Francisco, San Francisco CA, USA 94143.,The Sandler Asthma Basic Research Center, University of California San Francisco, San Francisco, CA, USA 94143
| | - Hara Apostolopoulou
- Diabetes Center, University of California San Francisco, San Francisco CA, USA 94143
| | - Rachel Hatano
- Deciduous Therapeutics, MBC Biolabs, San Francisco, CA, USA 94107
| | - Ram P Naikawadi
- Division of Pulmonary and Critical Care, Department of Medicine, University of California San Francisco, San Francisco CA, USA 94143
| | - Ajit Shah
- Deciduous Therapeutics, MBC Biolabs, San Francisco, CA, USA 94107
| | - Paul J Wolters
- Division of Pulmonary and Critical Care, Department of Medicine, University of California San Francisco, San Francisco CA, USA 94143
| | - Suneil Koliwad
- Diabetes Center, University of California San Francisco, San Francisco CA, USA 94143
| | - Mallar Bhattacharya
- Division of Pulmonary and Critical Care, Department of Medicine, University of California San Francisco, San Francisco CA, USA 94143.,The Sandler Asthma Basic Research Center, University of California San Francisco, San Francisco, CA, USA 94143
| | - Anil Bhushan
- Diabetes Center, University of California San Francisco, San Francisco CA, USA 94143
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36
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Talbot LJ, Chabot A, Funk A, Nguyen P, Wagner J, Ross A, Tillman H, Davidoff A, Gottschalk S, DeRenzo C. A Novel Orthotopic Implantation Technique for Osteosarcoma Produces Spontaneous Metastases and Illustrates Dose-Dependent Efficacy of B7-H3-CAR T Cells. Front Immunol 2021; 12:691741. [PMID: 34211478 PMCID: PMC8239305 DOI: 10.3389/fimmu.2021.691741] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 05/24/2021] [Indexed: 11/28/2022] Open
Abstract
The outcome for metastatic pediatric osteosarcoma (OS) remains poor. Thus, there is an urgent need to develop novel therapies, and immunotherapy with CAR T cells has the potential to meet this challenge. However, there is a lack of preclinical models that mimic salient features of human disease including reliable development of metastatic disease post orthotopic OS cell injection. To overcome this roadblock, and also enable real-time imaging of metastatic disease, we took advantage of LM7 OS cells expressing firefly luciferase (LM7.ffLuc). LM7.ffLuc were implanted in a collagen mesh into the tibia of mice, and mice reliably developed orthotopic tumors and lung metastases as judged by bioluminescence imaging and histopathological analysis. Intratibial implantation also enabled surgical removal by lower leg amputation and monitoring for metastases development post-surgery. We then used this model to evaluate the antitumor activity of CAR T cells targeting B7-H3, an antigen that is expressed in a broad range of solid tumors including OS. B7-H3-CAR T cells had potent antitumor activity in a dose-dependent manner and inhibited the development of pulmonary metastases resulting in a significant survival advantage. In contrast T cells expressing an inactive B7-H3-CAR had no antitumor activity. Using unmodified LM7 cells also enabled us to demonstrate that B7-H3-CAR T cells traffic to orthotopic tumor sites. Hence, we have developed an orthotopic, spontaneously metastasizing OS model. This model may improve our ability not only to predict the safety and efficacy of current and next generation CAR T cell therapies but also other treatment modalities for metastatic OS.
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Affiliation(s)
- Lindsay Jones Talbot
- Department of Surgery, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Ashley Chabot
- Department of Surgery, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Amy Funk
- Department of Veterinary Medicine, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Phuong Nguyen
- Department of Bone Marrow Transplant and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Jessica Wagner
- Department of Bone Marrow Transplant and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Aaron Ross
- University of Tennessee Health Sciences School of Medicine, Memphis, TN, United States
| | - Heather Tillman
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Andrew Davidoff
- Department of Surgery, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Stephen Gottschalk
- Department of Bone Marrow Transplant and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Christopher DeRenzo
- Department of Bone Marrow Transplant and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN, United States
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37
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Vigil TN, Zhang-Hulsey D, Santos JL, Patrick Hussmann G. Expediting in vitro characterization of mRNA-based gene therapies via high-content fluorescent imaging. Anal Biochem 2021; 627:114259. [PMID: 34033800 DOI: 10.1016/j.ab.2021.114259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 05/17/2021] [Accepted: 05/18/2021] [Indexed: 10/21/2022]
Abstract
mRNA-based therapeutics have progressed significantly over the past decade and hold great potential to treat several diseases, including but not limited to cancer, infectious diseases, and genetic disorders. Many mRNA therapeutics are encapsulated in lipid nanoparticles (LNPs), which stabilize the mRNA and, following patient administration, transfect target cells to deliver the therapeutic mRNA. Developing reliable and robust in vitro bioassays is critical for expediting early screening of LNP-mRNA formulations, as well as identifying and developing lead candidate drug products. In this study, high-content fluorescent imaging was used to monitor LNP-mRNA transfections in both two- and three-dimensional HepG2 cell cultures. This technique allowed for continuous and simultaneous measurement of multiple LNP-mRNA transfection parameters, including cellular cytotoxicity, mRNA delivery, and mRNA translation/protein expression. Moreover, high-content imaging demonstrated acceptable accuracy and precision when quantifying the potency of mRNA delivery and subsequent translation and protein expression, thereby establishing the method as fit-for-purpose. Furthermore, concurrent evaluation of two different LNP formulations showed high-content imaging is sensitive at detecting pharmacological differences among varying LNP formulations. This study details the efficiency and reliability of LNP-mRNA characterizations that can be accomplished with high-content imaging.
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Affiliation(s)
- Toriana N Vigil
- Biopharmaceutical Development, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, 20878, USA; Johns Hopkins University, Department of Chemical and Biomolecular Engineering, Baltimore, MD, 21218, USA
| | - Diana Zhang-Hulsey
- Eurofins Lancaster Laboratories Professional Scientific Services, LLC, Gaithersburg, MD, 20878, USA
| | - Jose Luis Santos
- Biopharmaceutical Development, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, 20878, USA.
| | - G Patrick Hussmann
- Biopharmaceutical Development, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, 20878, USA.
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38
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Rausch M, Blanc L, De Souza Silva O, Dormond O, Griffioen AW, Nowak-Sliwinska P. Characterization of Renal Cell Carcinoma Heterotypic 3D Co-Cultures with Immune Cell Subsets. Cancers (Basel) 2021; 13:2551. [PMID: 34067456 PMCID: PMC8197009 DOI: 10.3390/cancers13112551] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/17/2021] [Accepted: 05/19/2021] [Indexed: 12/12/2022] Open
Abstract
Two-dimensional cell culture-based platforms are easy and reproducible, however, they do not resemble the heterotypic cell-cell interactions or the complex tumor microenvironment. These parameters influence the treatment response and the cancer cell fate. Platforms to study the efficacy of anti-cancer treatments and their impact on the tumor microenvironment are currently being developed. In this study, we established robust, reproducible, and easy-to-use short-term spheroid cultures to mimic clear cell renal cell carcinoma (ccRCC). These 3D co-cultures included human endothelial cells, fibroblasts, immune cell subsets, and ccRCC cell lines, both parental and sunitinib-resistant. During spheroid formation, cells induce the production and secretion of the extracellular matrix. We monitored immune cell infiltration, surface protein expression, and the response to a treatment showing that the immune cells infiltrated the spheroid co-cultures within 6 h. Treatment with an optimized drug combination or the small molecule-based targeted drug sunitinib increased immune cell infiltration significantly. Assessing the therapeutic potential of this drug combination in this platform, we revealed that the expression of PD-L1 increased in 3D co-cultures. The cost- and time-effective establishment of our 3D co-culture model and its application as a pre-clinical drug screening platform can facilitate the treatment validation and clinical translation.
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Affiliation(s)
- Magdalena Rausch
- School of Pharmaceutical Sciences, Faculty of Science, University of Geneva, 1211 Geneva, Switzerland; (M.R.); (L.B.)
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, 1211 Geneva, Switzerland
- Translational Research Center in Oncohaematology, 1211 Geneva, Switzerland
| | - Léa Blanc
- School of Pharmaceutical Sciences, Faculty of Science, University of Geneva, 1211 Geneva, Switzerland; (M.R.); (L.B.)
| | - Olga De Souza Silva
- Department of Visceral Surgery, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland; (O.D.S.S.); (O.D.)
| | - Olivier Dormond
- Department of Visceral Surgery, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland; (O.D.S.S.); (O.D.)
| | - Arjan W. Griffioen
- Angiogenesis Laboratory, Department of Medical Oncology, Amsterdam UMC, Vrije Universiteit Amsterdam, Medical Oncology, Cancer Center Amsterdam, 1081 HV Amsterdam, The Netherlands;
| | - Patrycja Nowak-Sliwinska
- School of Pharmaceutical Sciences, Faculty of Science, University of Geneva, 1211 Geneva, Switzerland; (M.R.); (L.B.)
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, 1211 Geneva, Switzerland
- Translational Research Center in Oncohaematology, 1211 Geneva, Switzerland
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39
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Liang X, Huang Y, Li D, Yang X, Jiang L, Zhou W, Su J, Chen N, Wang W. Distinct functions of CAR-T cells possessing a dectin-1 intracellular signaling domain. Gene Ther 2021; 30:411-420. [PMID: 33953316 DOI: 10.1038/s41434-021-00257-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 03/20/2021] [Accepted: 04/01/2021] [Indexed: 02/05/2023]
Abstract
Chimeric antigen receptor T (CAR-T) cell therapy has demonstrated remarkable efficacies in treating hematopoietic malignancies, but not in the solid tumors. Incorporating costimulatory signaling domains, such as ICOS or 4-1BB, can positively influence CAR-T cell functions and then the immune responses. These CAR-engineered T cells have showed their enhanced persistence and effector functions with improved antitumor activities, and provided a new approach for the treatment of solid tumors. Here, we designed novel 2nd generation CARs with a costimulatory signaling molecule, dectin-1. The impacts of dectin-1 signaling domain on CAR-T cells were evaluated in vitro and in vivo. Our data show that in vitro cytokine secretions by HER2 or CD19 specific CAR-T cells increase significantly via incorporating this dectin-1 signaling domain. Additional properties of these novel CAR-T cells are affected by this costimulatory domain. Compared with a popular reference (i.e., anti-HER2 CAR-T cells with 4-1BB), in vitro T cell functions and in vivo antitumor activity of the dectin-1 engineered CAR-T cells are similar to the 4-1BB based, and both are discrete to the mock T cells. Furthermore, we found that the CAR-T cells with dectin-1 show distinct phenotype and exhaustion marker expression. These collective results suggest that the incorporation of this new signaling domain, dectin-1, into the CARs may provide the clinical potential of the CAR-T cells through this signaling domain in treating solid tumors.
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Affiliation(s)
- Xiao Liang
- Department of Head & Neck Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yong Huang
- State Key Laboratory of Biotherapy/Collaborative Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Dan Li
- State Key Laboratory of Biotherapy/Collaborative Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xiao Yang
- State Key Laboratory of Biotherapy/Collaborative Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Lin Jiang
- State Key Laboratory of Biotherapy/Collaborative Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Weilin Zhou
- State Key Laboratory of Biotherapy/Collaborative Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jinhua Su
- State Key Laboratory of Biotherapy/Collaborative Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Nianyong Chen
- Department of Head & Neck Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Wei Wang
- State Key Laboratory of Biotherapy/Collaborative Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
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40
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Garcia-Aponte OF, Herwig C, Kozma B. Lymphocyte expansion in bioreactors: upgrading adoptive cell therapy. J Biol Eng 2021; 15:13. [PMID: 33849630 PMCID: PMC8042697 DOI: 10.1186/s13036-021-00264-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 03/29/2021] [Indexed: 12/25/2022] Open
Abstract
Bioreactors are essential tools for the development of efficient and high-quality cell therapy products. However, their application is far from full potential, holding several challenges when reconciling the complex biology of the cells to be expanded with the need for a manufacturing process that is able to control cell growth and functionality towards therapy affordability and opportunity. In this review, we discuss and compare current bioreactor technologies by performing a systematic analysis of the published data on automated lymphocyte expansion for adoptive cell therapy. We propose a set of requirements for bioreactor design and identify trends on the applicability of these technologies, highlighting the specific challenges and major advancements for each one of the current approaches of expansion along with the opportunities that lie in process intensification. We conclude on the necessity to develop targeted solutions specially tailored for the specific stimulation, supplementation and micro-environmental needs of lymphocytes’ cultures, and the benefit of applying knowledge-based tools for process control and predictability.
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Affiliation(s)
- Oscar Fabian Garcia-Aponte
- Research Area Biochemical Engineering, Institute of Chemical, Environmental and Bioscience Engineering, TU Wien, Gumpendorferstraße 1a, 1060, Vienna, Austria
| | - Christoph Herwig
- Research Area Biochemical Engineering, Institute of Chemical, Environmental and Bioscience Engineering, TU Wien, Gumpendorferstraße 1a, 1060, Vienna, Austria.
| | - Bence Kozma
- Research Area Biochemical Engineering, Institute of Chemical, Environmental and Bioscience Engineering, TU Wien, Gumpendorferstraße 1a, 1060, Vienna, Austria
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41
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Ghaderinia M, Khayamian MA, Abadijoo H, Shalileh S, Faramarzpour M, Zandi A, Simaee H, Abbasvandi F, Esmailinejad MR, Rafizadeh-Tafti S, Jahangiri M, Kordehlachin Y, Ghaffari H, Ansari E, Dabbagh N, Akbari ME, Hoseinpour P, Abdolahad M. Capture-free deactivation of CTCs in the bloodstream; a metastasis suppression method by electrostatic stimulation of the peripheral blood. Biosens Bioelectron 2021; 183:113194. [PMID: 33813209 DOI: 10.1016/j.bios.2021.113194] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 03/15/2021] [Accepted: 03/18/2021] [Indexed: 12/24/2022]
Abstract
While limited investigations have been reported on CTC elimination and its profits, recently, some new works were reported on detection followed by the destruction of CTCs. Limitations and complications of CTC capturing procedures have highly reduced the chance of selective destruction of CTCs in the bloodstream in the therapeutic guidelines of the patients. Here, we selectively deactivated the invasive function of CTCs during their circulation in the bloodstream by exposing the whole blood to pure positive electrostatic charge stimulation (PPECS). Our treatment suppressed pulmonary metastasis and extended the survival of the mice had been intravenously injected by electrostatically deactivated 4T1 breast cancer CTCs. Moreover, the number of cancerous lung nodules was drastically reduced in the mice injected by treated CTCs in comparison with the non-treated cohort. Evaluating the side effect of the PPECS on the blood components revealed no major effect on the functional properties of the white blood cells, and just a negligible fraction (∼10%) was damaged during this process. This approach does not need any capturing or targeting of CTCs from the blood as it is focused on perturbing the electrical function of negatively-charged tumor cells after being exposed to positive electrostatic charges. Taken together, continuous in-vivo deactivation of CTCs by PPECS with no requirement to complicated capturing protocols may improve the survival of cancer patients.
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Affiliation(s)
- Mohammadreza Ghaderinia
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran, P.O. Box 14395/515
| | - Mohammad Ali Khayamian
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran, P.O. Box 14395/515
| | - Hamed Abadijoo
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran, P.O. Box 14395/515
| | - Shahriar Shalileh
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran, P.O. Box 14395/515
| | - Mahsa Faramarzpour
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran, P.O. Box 14395/515
| | - Ashkan Zandi
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran, P.O. Box 14395/515
| | - Hossein Simaee
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran, P.O. Box 14395/515; Integrative Oncology Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, P.O. BOX 15179/64311, Tehran, Iran
| | - Fereshteh Abbasvandi
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran, P.O. Box 14395/515; ATMP Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, P.O. BOX 15179/64311, Tehran, Iran
| | - Mohammad Reza Esmailinejad
- Department of Surgery and Radiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran, P.O. Box 14155/6453
| | - Saeed Rafizadeh-Tafti
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran, P.O. Box 14395/515
| | - Mojtaba Jahangiri
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran, P.O. Box 14395/515
| | - Yasin Kordehlachin
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran, P.O. Box 14395/515
| | - Hadi Ghaffari
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran, P.O. Box 14395/515
| | - Ehsan Ansari
- Nano Electronic Center of Excellence, Thin Film and Nano Electronics Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran, P.O. Box 14395/515
| | - Najmeh Dabbagh
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, P.O. BOX 15179/64311, Tehran, Iran
| | - Mohammad Esmaeil Akbari
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, P.O. BOX 15179/64311, Tehran, Iran
| | | | - Mohammad Abdolahad
- Nano Electronic Center of Excellence, Nano Bio Electronic Devices Lab, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran, P.O. Box 14395/515; Cancer Institute, Imam-Khomeini Hospital, Tehran University of Medical Sciences, P.O. BOX 13145-158, Tehran, Iran; UT&TUMS Cancer Electrotechnique Research Center, YAS Hospital, P.O. Box 1598718311, Tehran, Iran.
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Takahashi N, Higa A, Hiyama G, Tamura H, Hoshi H, Dobashi Y, Katahira K, Ishihara H, Takagi K, Goda K, Okabe N, Muto S, Suzuki H, Shimomura K, Watanabe S, Takagi M. Construction of in vitro patient-derived tumor models to evaluate anticancer agents and cancer immunotherapy. Oncol Lett 2021; 21:406. [PMID: 33841567 PMCID: PMC8020396 DOI: 10.3892/ol.2021.12667] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Accepted: 02/22/2021] [Indexed: 12/13/2022] Open
Abstract
An in vitro assay system using patient-derived tumor models represents a promising preclinical cancer model that replicates the disease better than traditional cell culture models. Patient-derived tumor organoid (PDO) and patient-derived tumor xenograft (PDX) models have been previously established from different types of human tumors to recapitulate accurately and efficiently their tissue architecture and function. However, these models have low throughput and are challenging to construct. Thus, the present study aimed to establish a simple in vitro high-throughput assay system using PDO and PDX models. Furthermore, the current study aimed to evaluate different classes of anticancer drugs, including chemotherapeutic, molecular targeted and antibody drugs, using PDO and PDX models. First, an in vitro high-throughput assay system was constructed using PDO and PDX established from solid and hematopoietic tumors cultured in 384-well plates to evaluate anticancer agents. In addition, an in vitro evaluation system of the immune response was developed using PDO and PDX. Novel cancer immunotherapeutic agents with marked efficacy have been used against various types of tumor. Thus, there is an urgent need for in vitro functional potency assays that can simulate the complex interaction of immune cells with tumor cells and can rapidly test the efficacy of different immunotherapies or antibody drugs. An evaluation system for the antibody-dependent cellular cytotoxic activity of anti-epidermal growth factor receptor antibody and the cytotoxic activity of activated lymphocytes, such as cytotoxic T lymphocytes and natural killer cells, was constructed. Moreover, immune response assay systems with bispecific T-cell engagers were developed using effector cells. The present results demonstrated that in vitro assay systems using PDO and PDX may be suitable for evaluating anticancer agents and immunotherapy potency with high reproducibility and simplicity.
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Affiliation(s)
- Nobuhiko Takahashi
- Medical-Industrial Translational Research Center, Fukushima Medical University, Fukushima, Fukushima 960-1295, Japan.,Department of Bioregulation and Pharmacological Medicine, Fukushima Medical University, Fukushima, Fukushima 960-1295, Japan
| | - Arisa Higa
- Medical-Industrial Translational Research Center, Fukushima Medical University, Fukushima, Fukushima 960-1295, Japan
| | - Gen Hiyama
- Medical-Industrial Translational Research Center, Fukushima Medical University, Fukushima, Fukushima 960-1295, Japan
| | - Hirosumi Tamura
- Medical-Industrial Translational Research Center, Fukushima Medical University, Fukushima, Fukushima 960-1295, Japan
| | - Hirotaka Hoshi
- Medical-Industrial Translational Research Center, Fukushima Medical University, Fukushima, Fukushima 960-1295, Japan
| | - Yuu Dobashi
- Medical-Industrial Translational Research Center, Fukushima Medical University, Fukushima, Fukushima 960-1295, Japan
| | - Kiyoaki Katahira
- Medical-Industrial Translational Research Center, Fukushima Medical University, Fukushima, Fukushima 960-1295, Japan
| | - Hiroya Ishihara
- Research and Development, Department of Biological Evaluation Technology 2, Olympus Corporation, Hachioji, Tokyo 192-8512, Japan
| | - Kosuke Takagi
- Research and Development, Department of Technology Innovation 3, Olympus Corporation, Hachioji, Tokyo 192-8512, Japan
| | - Kazuhito Goda
- Research and Development, Department of Biological Evaluation Technology 2, Olympus Corporation, Hachioji, Tokyo 192-8512, Japan
| | - Naoyuki Okabe
- Department of Chest Surgery, Fukushima Medical University School of Medicine, Fukushima, Fukushima 960-1295, Japan
| | - Satoshi Muto
- Department of Chest Surgery, Fukushima Medical University School of Medicine, Fukushima, Fukushima 960-1295, Japan
| | - Hiroyuki Suzuki
- Department of Chest Surgery, Fukushima Medical University School of Medicine, Fukushima, Fukushima 960-1295, Japan
| | - Kenju Shimomura
- Department of Bioregulation and Pharmacological Medicine, Fukushima Medical University, Fukushima, Fukushima 960-1295, Japan
| | - Shinya Watanabe
- Medical-Industrial Translational Research Center, Fukushima Medical University, Fukushima, Fukushima 960-1295, Japan
| | - Motoki Takagi
- Medical-Industrial Translational Research Center, Fukushima Medical University, Fukushima, Fukushima 960-1295, Japan
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43
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Bernardo L, Corallo L, Caterini J, Su J, Gisonni-Lex L, Gajewska B. Application of xCELLigence real-time cell analysis to the microplate assay for pertussis toxin induced clustering in CHO cells. PLoS One 2021; 16:e0248491. [PMID: 33720984 PMCID: PMC7959359 DOI: 10.1371/journal.pone.0248491] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 02/27/2021] [Indexed: 02/06/2023] Open
Abstract
The microplate assay with Chinese Hamster Ovary (CHO) cells is currently used as a safety test to monitor the residual pertussis toxin (PT) amount in acellular pertussis antigens prior to vaccine formulation. The assay is based on the findings that the exposure of CHO cells to PT results in a concentration-dependent clustering response which can be used to estimate the amount of PT in a sample preparation. A major challenge with the current CHO cell assay methodology is that scoring of PT-induced clustering is dependent on subjective operator visual assessment using light microscopy. In this work, we have explored the feasibility of replacing the microscopy readout for the CHO cell assay with the xCELLigence Real-Time Cell Analysis system (ACEA BioSciences, a part of Agilent). The xCELLigence equipment is designed to monitor cell adhesion and growth. The electrical impedance generated from cell attachment and proliferation is quantified via gold electrodes at the bottom of the cell culture plate wells, which is then translated into a unitless readout called cell index. Results showed significant decrease in the cell index readouts of CHO cells exposed to PT compared to the cell index of unexposed CHO cells. Similar endpoint concentrations were obtained when the PT reference standard was titrated with either xCELLigence or microscopy. Testing genetically detoxified pertussis samples unspiked or spiked with PT further supported the sensitivity and reproducibility of the xCELLigence assay in comparison with the conventional microscopy assay. In conclusion, the xCELLigence RTCA system offers an alternative automated and higher throughput method for evaluating PT-induced clustering in CHO cells.
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Affiliation(s)
- Lidice Bernardo
- Department of Analytical Sciences, Sanofi Pasteur, Toronto, ON, Canada
- * E-mail:
| | - Lucas Corallo
- Department of Analytical Sciences, Sanofi Pasteur, Toronto, ON, Canada
| | - Judy Caterini
- Department of Analytical Sciences, Sanofi Pasteur, Toronto, ON, Canada
| | - Jin Su
- Department of Analytical Sciences, Sanofi Pasteur, Toronto, ON, Canada
| | - Lucy Gisonni-Lex
- Department of Analytical Sciences, Sanofi Pasteur, Toronto, ON, Canada
| | - Beata Gajewska
- Department of Analytical Sciences, Sanofi Pasteur, Toronto, ON, Canada
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44
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Moetlhoa B, Naicker L, Hayeshi R, Grobler A, Mokoena NB, Mawadza C. Application of a real-time cell analysis system in the process development and quantification of Rift Valley fever virus clone 13. Access Microbiol 2021; 3:000191. [PMID: 34151150 PMCID: PMC8209705 DOI: 10.1099/acmi.0.000191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Accepted: 11/17/2020] [Indexed: 11/18/2022] Open
Abstract
Conventional cell-culture viral quantification methods, namely viral plaque and 50 % tissue culture infective dose assays, are time-consuming, subjective and are not suitable for routine testing. The viral plaque formation assay is the main method utilized for Rift Valley fever virus (RVFV) clone 13 quantification. The RVFV is a mosquito-borne RNA Phlebovirus belonging to the family Bunyaviridae. The virus comprises a single serotype and causes the zoonotic Rift Valley fever disease. The real-time cell analysis (RTCA) system has been developed for the monitoring of cell growth, cell adhesion, cell viability and mortality using electronic impedance technology. In this study, Vero cell growth kinetics and RVFV clone 13 replication kinetics were investigated in a roller bottle and RTCA systems. In roller bottles, Vero cell growth was measured by cell counts through trypan blue staining, whilst impedance expressed as the cell index (CI) was used for Vero growth measurement in the RTCA system. Similar growth patterns were observed in both roller bottle and RTCA systems. Exponential growth phase was observed between 48 and 100 h, followed by a stationary phase from 100 to 120 h, before cell death was observed. Viral plaque assay quantification of RVFV clone 13 in the roller bottle system and the time required for the CI to decrease 50 % after virus infection (CIT50) in the RTCA system were comparable. The highest RVFV clone 13 titre was obtained at 120 h in both roller bottle and RTCA systems. An increase in time for cytopathic effect (CPE) formation was observed with a decrease in the concentration of the virus used to infect the RTCA plates. A positive correlation was observed between the viral concentration and the time for a CPE and was used to calculate CIT50. A similar correlation was observed between the viral concentration and the time for a CPE in the roller bottle system. This study shows that the RTCA system can be used as an alternative method for conducting cell culture kinetics and viral quantification.
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Affiliation(s)
- Boitumelo Moetlhoa
- Onderstepoort Biological Products (OBP) SOC Ltd, 100 Old Soutpan Road, Onderstepoort 0110, South Africa
- DST-NWU Preclinical Drug Development Platform (PCDDP), North-West University, Potchefstroom 2520, South Africa
| | - Leeann Naicker
- Onderstepoort Biological Products (OBP) SOC Ltd, 100 Old Soutpan Road, Onderstepoort 0110, South Africa
| | - Rose Hayeshi
- DST-NWU Preclinical Drug Development Platform (PCDDP), North-West University, Potchefstroom 2520, South Africa
| | - Anne Grobler
- DST-NWU Preclinical Drug Development Platform (PCDDP), North-West University, Potchefstroom 2520, South Africa
| | - Nobalanda B. Mokoena
- Onderstepoort Biological Products (OBP) SOC Ltd, 100 Old Soutpan Road, Onderstepoort 0110, South Africa
| | - Crispen Mawadza
- Onderstepoort Biological Products (OBP) SOC Ltd, 100 Old Soutpan Road, Onderstepoort 0110, South Africa
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45
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Comparative analysis of assays to measure CAR T-cell-mediated cytotoxicity. Nat Protoc 2021; 16:1331-1342. [PMID: 33589826 DOI: 10.1038/s41596-020-00467-0] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 11/19/2020] [Indexed: 02/08/2023]
Abstract
The antitumor efficacy of genetically engineered 'living drugs', including chimeric antigen receptor and T-cell receptor T cells, is influenced by their activation, proliferation, inhibition, and exhaustion. A sensitive and reproducible cytotoxicity assay that collectively reflects these functions is an essential requirement for translation of these cellular therapeutic agents. Here, we compare various in vitro cytotoxicity assays (including chromium release, bioluminescence, impedance, and flow cytometry) with respect to their experimental setup, appropriate uses, advantages, and disadvantages, and measures to overcome their limitations. We also highlight the US Food and Drug Administration (FDA) directives for a potency assay for release of clinical cell therapy products. In addition, we discuss advanced assays of repeated antigen exposure and simultaneous testing of combinations of immune effector cells, immunomodulatory antibodies, and targets with variable antigen expression. This review article should help to equip investigators with the necessary knowledge to select appropriate cytotoxicity assays to test the efficacy of immunotherapeutic agents alone or in combination.
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46
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Hu-Lieskovan S, Bhaumik S, Dhodapkar K, Grivel JCJB, Gupta S, Hanks BA, Janetzki S, Kleen TO, Koguchi Y, Lund AW, Maccalli C, Mahnke YD, Novosiadly RD, Selvan SR, Sims T, Zhao Y, Maecker HT. SITC cancer immunotherapy resource document: a compass in the land of biomarker discovery. J Immunother Cancer 2020; 8:e000705. [PMID: 33268350 PMCID: PMC7713206 DOI: 10.1136/jitc-2020-000705] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/15/2020] [Indexed: 02/07/2023] Open
Abstract
Since the publication of the Society for Immunotherapy of Cancer's (SITC) original cancer immunotherapy biomarkers resource document, there have been remarkable breakthroughs in cancer immunotherapy, in particular the development and approval of immune checkpoint inhibitors, engineered cellular therapies, and tumor vaccines to unleash antitumor immune activity. The most notable feature of these breakthroughs is the achievement of durable clinical responses in some patients, enabling long-term survival. These durable responses have been noted in tumor types that were not previously considered immunotherapy-sensitive, suggesting that all patients with cancer may have the potential to benefit from immunotherapy. However, a persistent challenge in the field is the fact that only a minority of patients respond to immunotherapy, especially those therapies that rely on endogenous immune activation such as checkpoint inhibitors and vaccination due to the complex and heterogeneous immune escape mechanisms which can develop in each patient. Therefore, the development of robust biomarkers for each immunotherapy strategy, enabling rational patient selection and the design of precise combination therapies, is key for the continued success and improvement of immunotherapy. In this document, we summarize and update established biomarkers, guidelines, and regulatory considerations for clinical immune biomarker development, discuss well-known and novel technologies for biomarker discovery and validation, and provide tools and resources that can be used by the biomarker research community to facilitate the continued development of immuno-oncology and aid in the goal of durable responses in all patients.
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Affiliation(s)
- Siwen Hu-Lieskovan
- Huntsman Cancer Institute, Salt Lake City, UT, USA
- University of Utah School of Medicine, Salt Lake City, UT, USA
| | | | - Kavita Dhodapkar
- Department of Pediatrics, Emory University, Atlanta, Georgia, USA
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, Georgia, USA
| | | | - Sumati Gupta
- Huntsman Cancer Institute, Salt Lake City, Utah, USA
| | - Brent A Hanks
- Duke University Medical Center, Durham, North Carolina, USA
| | | | | | - Yoshinobu Koguchi
- Earle A Chiles Research Institute, Providence Cancer Institute, Portland, Oregon, USA
| | - Amanda W Lund
- Oregon Health and Science University, Portland, Oregon, USA
| | | | | | | | | | - Tasha Sims
- Regeneron Pharmaceuticals Inc, Tarrytown, New York, USA
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47
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Haeseleer F, Eichholz K, Tareen SU, Iwamoto N, Roederer M, Kirchhoff F, Park H, Okoye AA, Corey L. Real-Time Killing Assays to Assess the Potency of a New Anti-Simian Immunodeficiency Virus Chimeric Antigen Receptor T Cell. AIDS Res Hum Retroviruses 2020; 36:998-1009. [PMID: 32988211 DOI: 10.1089/aid.2020.0163] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The success of chimeric antigen receptor (CAR) T cell therapies for treating leukemia has resulted in a booming interest for the technology. Expression of a CAR in T cells allows redirection of their natural cytolytic activity toward cells presenting a specific designated surface antigen. Although CAR T cell therapies have thus far shown promising results mostly in B cell malignancy trials, interest in their potential to treat other diseases is on the rise, including using CAR T cells to control human immunodeficiency virus infection. The assessment of CAR T cell potency toward specific targets in vitro is a critical preclinical step. In this study, we describe novel assays that monitor the cytotoxicity of candidate CAR T cells toward simian immunodeficiency virus (SIV) infected CD4 T cells. The assays involve live cell imaging using a fluorescence microscopy system that records in real time the disappearance or appearance of targets infected with SIV carrying a fluorescent protein gene. The assays are highly reproducible, and their rapid turn around and reduced cost present a significant advance regarding the efficient preclinical evaluation of CAR T cell constructs and are broadly applicable to potential human diseases that could benefit from CAR T cell therapy.
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Affiliation(s)
- Françoise Haeseleer
- Department of Laboratory Medicine, University of Washington, Seattle, Washington, USA
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Karsten Eichholz
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | | | - Nami Iwamoto
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Mario Roederer
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Frank Kirchhoff
- Institute of Molecular Virology, Ulm University Medical Center, Ulm, Germany
| | - Haesun Park
- Vaccine and Gene Therapy Institute and Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, Oregon, USA
| | - Afam A. Okoye
- Vaccine and Gene Therapy Institute and Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, Oregon, USA
| | - Lawrence Corey
- Department of Laboratory Medicine, University of Washington, Seattle, Washington, USA
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
- Department of Medicine, University of Washington, Seattle, Washington, USA
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48
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Nguyen P, Okeke E, Clay M, Haydar D, Justice J, O’Reilly C, Pruett-Miller S, Papizan J, Moore J, Zhou S, Throm R, Krenciute G, Gottschalk S, DeRenzo C. Route of 41BB/41BBL Costimulation Determines Effector Function of B7-H3-CAR.CD28ζ T Cells. Mol Ther Oncolytics 2020; 18:202-214. [PMID: 32728609 PMCID: PMC7369352 DOI: 10.1016/j.omto.2020.06.018] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 06/19/2020] [Indexed: 01/13/2023] Open
Abstract
B7-H3 is actively being explored as an immunotherapy target for pediatric patients with solid tumors using monoclonal antibodies or T cells expressing chimeric antigen receptors (CARs). B7-H3-CARs containing a 41BB costimulatory domain are currently favored by several groups based on preclinical studies. In this study, we initially performed a detailed analysis of T cells expressing B7-H3-CARs with different hinge/transmembrane (CD8α versus CD28) and CD28 or 41BB costimulatory domains (CD8α/CD28, CD8α/41BB, CD28/CD28, CD28/41BB). Only subtle differences in effector function were observed between CAR T cell populations in vitro. However, CD8α/CD28-CAR T cells consistently outperformed other CAR T cell populations in three animal models, resulting in a significant survival advantage. We next explored whether adding 41BB signaling to CD8α/CD28-CAR T cells would further enhance effector function. Surprisingly, incorporating 41BB signaling into the CAR endodomain had detrimental effects, while expressing 41BBL on the surface of CD8α/CD28-CAR T cells enhanced their ability to kill tumor cells in repeat stimulation assays. Furthermore, 41BBL expression enhanced CD8α/CD28-CAR T cell expansion in vivo and improved antitumor activity in one of four evaluated models. Thus, our study highlights the intricate interplay between CAR hinge/transmembrane and costimulatory domains. Based on our study, we selected CD8α/CD28-CAR T cells expressing 41BBL for early phase clinical testing.
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Affiliation(s)
- Phuong Nguyen
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Emmanuel Okeke
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Michael Clay
- Department of Pathology, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Dalia Haydar
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Julie Justice
- Department of Pathology, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Carla O’Reilly
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Shondra Pruett-Miller
- Department of Cell and Molecular Biology, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - James Papizan
- Department of Cell and Molecular Biology, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Jennifer Moore
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Sheng Zhou
- Experimental Cellular Therapeutics Laboratory, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Robert Throm
- Vector Development and Production Laboratory, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Giedre Krenciute
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Stephen Gottschalk
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Christopher DeRenzo
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
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Sharpe M, Barry J, Kefalas P. Clinical Adoption of Advanced Therapies: Challenges and Opportunities. J Pharm Sci 2020; 110:1877-1884. [PMID: 32918916 DOI: 10.1016/j.xphs.2020.08.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/25/2020] [Accepted: 08/28/2020] [Indexed: 12/11/2022]
Abstract
As the cell and gene therapy field matures the powerful therapeutic potential of these innovative therapies is starting to be shown, particularly in the fields of oncology and childhood immune deficiency diseases. However, as more therapies enter late stage clinical trials, advances and innovation are required in manufacturing, logistics, regulation, reimbursement and the healthcare setting to ensure that systems are in place to support wider clinical adoption of these promising treatments. A window of opportunity exists to implement new methodologies for best practice in both the ability to manufacture products reproducibly at scale, as well as ensuring healthcare systems are not overwhelmed by the variety and complexity of these new therapies and the additional burden they will place on already stretched facilities. If all interested parties work together it will be possible for the sector to develop the necessary processes, skilled staff and infrastructure needed as more treatments move from clinical trial to marketed products.
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Affiliation(s)
- Michaela Sharpe
- Moare Solutions Ltd, 99 Canterbury Road, Whitstable, Kent CT5 4HG, UK.
| | - Jacqueline Barry
- Cell and Gene Therapy Catapult, Guys Hospital, 12th Floor Tower Wing, Great Maze Pond, London SE1 9RT, UK
| | - Panos Kefalas
- Cell and Gene Therapy Catapult, Guys Hospital, 12th Floor Tower Wing, Great Maze Pond, London SE1 9RT, UK
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50
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Aehnlich P, Carnaz Simões AM, Skadborg SK, Holmen Olofsson G, thor Straten P. Expansion With IL-15 Increases Cytotoxicity of Vγ9Vδ2 T Cells and Is Associated With Higher Levels of Cytotoxic Molecules and T-bet. Front Immunol 2020; 11:1868. [PMID: 32983105 PMCID: PMC7485111 DOI: 10.3389/fimmu.2020.01868] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 07/13/2020] [Indexed: 12/27/2022] Open
Abstract
Cancer immunotherapy has shown great advances during recent years, but it has yet to reach its full potential in all cancer types. Adoptive cell therapy (ACT) is now an approved treatment option for certain hematological cancers and has also shown success for some solid cancers. Still, benefit and eligibility do not extend to all patients. ACT with Vγ9Vδ2 T cells is a promising approach to overcome this hurdle. In this study, we aimed to explore the effect of different cytokine conditions on the expansion of Vγ9Vδ2 T cells in vitro. We could show that Vγ9Vδ2 T cell expansion is feasible with two different cytokine conditions: (a) 1,000 U/ml interleukin (IL)-2 and (b) 100 U/ml IL-2 + 100 U/ml IL-15. We did not observe differences in expansion rate or Vγ9Vδ2 T cell purity between the conditions; however, IL-2/IL-15-expanded Vγ9Vδ2 T cells displayed enhanced cytotoxicity against tumor cells, also in hypoxia. While this increase in killing capacity was not reflected in natural killer (NK) cell marker or activation marker expression, we demonstrated that IL-2/IL-15-expanded Vγ9Vδ2 T cells were characterized by an increased expression of perforin, granzyme B, and granulysin compared to IL-2-expanded cells. These cytotoxic molecules were not only increased in a resting state, but also released to a greater extent upon target recognition. In contrast, CD107a and cytokine expression did not differ between expansion conditions. However, IL-2/IL-15-expanded Vγ9Vδ2 T cells showed higher levels of transcription factor T-bet expression, which could indicate that T-bet and cytotoxic molecule levels confer the increased cytotoxicity. These results advocate the inclusion of IL-15 into ex vivo Vγ9Vδ2 T cell expansion protocols in future clinical studies.
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Affiliation(s)
- Pia Aehnlich
- Department of Oncology, National Center for Cancer Immune Therapy (CCIT-DK), Copenhagen University Hospital Herlev, Herlev, Denmark
| | - Ana Micaela Carnaz Simões
- Department of Oncology, National Center for Cancer Immune Therapy (CCIT-DK), Copenhagen University Hospital Herlev, Herlev, Denmark
| | - Signe Koggersbøl Skadborg
- Department of Oncology, National Center for Cancer Immune Therapy (CCIT-DK), Copenhagen University Hospital Herlev, Herlev, Denmark
| | - Gitte Holmen Olofsson
- Department of Oncology, National Center for Cancer Immune Therapy (CCIT-DK), Copenhagen University Hospital Herlev, Herlev, Denmark
| | - Per thor Straten
- Department of Oncology, National Center for Cancer Immune Therapy (CCIT-DK), Copenhagen University Hospital Herlev, Herlev, Denmark
- Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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