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Deng S, Zhang Y, Wang H, Liang W, Xie L, Li N, Fang Y, Wang Y, Liu J, Chi H, Sun Y, Ye R, Shan L, Shi J, Shen Z, Wang Y, Wang S, Brosseau JP, Wang F, Liu G, Quan Y, Xu J. ITPRIPL1 binds CD3ε to impede T cell activation and enable tumor immune evasion. Cell 2024; 187:2305-2323.e33. [PMID: 38614099 DOI: 10.1016/j.cell.2024.03.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 11/13/2023] [Accepted: 03/13/2024] [Indexed: 04/15/2024]
Abstract
Cancer immunotherapy has transformed treatment possibilities, but its effectiveness differs significantly among patients, indicating the presence of alternative pathways for immune evasion. Here, we show that ITPRIPL1 functions as an inhibitory ligand of CD3ε, and its expression inhibits T cells in the tumor microenvironment. The binding of ITPRIPL1 extracellular domain to CD3ε on T cells significantly decreased calcium influx and ZAP70 phosphorylation, impeding initial T cell activation. Treatment with a neutralizing antibody against ITPRIPL1 restrained tumor growth and promoted T cell infiltration in mouse models across various solid tumor types. The antibody targeting canine ITPRIPL1 exhibited notable therapeutic efficacy against naturally occurring tumors in pet clinics. These findings highlight the role of ITPRIPL1 (or CD3L1, CD3ε ligand 1) in impeding T cell activation during the critical "signal one" phase. This discovery positions ITPRIPL1 as a promising therapeutic target against multiple tumor types.
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Affiliation(s)
- Shouyan Deng
- Institutes of Biomedical Sciences, Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism (Ministry of Science and Technology), Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200032, China
| | - Yibo Zhang
- Institutes of Biomedical Sciences, Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism (Ministry of Science and Technology), Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200032, China
| | | | - Wenhua Liang
- Shanghai Institute of Immunology, School of Medicine, Shanghai Jiao Tong University, Shanghai 200031, China
| | - Lu Xie
- Musculoskeletal Tumor Center, Peking University People's Hospital, Beijing 100044, China
| | - Ning Li
- Clinical Trials Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100020, China
| | - Yuan Fang
- Clinical Trials Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100020, China
| | - Yiting Wang
- Institutes of Biomedical Sciences, Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism (Ministry of Science and Technology), Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200032, China
| | - Jiayang Liu
- Institutes of Biomedical Sciences, Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism (Ministry of Science and Technology), Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200032, China
| | - Hao Chi
- Institutes of Biomedical Sciences, Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism (Ministry of Science and Technology), Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200032, China
| | - Yufan Sun
- BioTroy Therapeutics, Shanghai 201400, China
| | - Rui Ye
- BioTroy Therapeutics, Shanghai 201400, China
| | - Lishen Shan
- BioTroy Therapeutics, Shanghai 201400, China
| | - Jiawei Shi
- Institutes of Biomedical Sciences, Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism (Ministry of Science and Technology), Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200032, China
| | - Zan Shen
- Department of Oncology, Shanghai Sixth People's Hospital Affiliated with Shanghai Jiao Tong University School of Medicine, No. 600, Yishan Road, Shanghai 200233, China
| | - Yonggang Wang
- Department of Oncology, Shanghai Sixth People's Hospital Affiliated with Shanghai Jiao Tong University School of Medicine, No. 600, Yishan Road, Shanghai 200233, China
| | - Shuhang Wang
- Clinical Trials Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100020, China
| | - Jean-Philippe Brosseau
- Department of Biochemistry and Functional Genomics, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, QC J1E 4K8, Canada
| | - Feng Wang
- Shanghai Institute of Immunology, School of Medicine, Shanghai Jiao Tong University, Shanghai 200031, China
| | - Grace Liu
- Arctic Animal Hospital, Fuzhou, Fujian 350007, China
| | | | - Jie Xu
- Institutes of Biomedical Sciences, Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism (Ministry of Science and Technology), Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200032, China.
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Lei Y, Yong Z, Junzhi W. Development and application of potency assays based on genetically modified cells for biological products. J Pharm Biomed Anal 2023; 230:115397. [PMID: 37079933 DOI: 10.1016/j.jpba.2023.115397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 04/04/2023] [Accepted: 04/13/2023] [Indexed: 04/22/2023]
Abstract
Potency assays are key to the development, registration, and quality control of biological products. Although previously preferred for clinical relevance, in vivo bioassays have greatly diminished with the advent of dependent cell lines as well as due to ethical concerns. However, for some products, the development of in vitro cell-based assay is challenging, or existing method has limitations such as tedious procedure or low sensitivity. The generation of genetically modified (GM) cell line with improved response to the analyte provides a scientific and promising solution. Potency assays based on GM cell lines are currently used for the quality control of biological products including cytokines, hormones, therapeutic antibodies, vaccines and gene therapy products. In this review, we have discussed the general principles of designing and developing GM cells-based potency assays, including identification of cellular signaling pathways and detectable biological effects, generation of responsive cell lines and constitution of test systems, based on the current research progress. In addition, the applications of some novel technologies and the common concerns regarding GM cells have also been discussed. The research presented in this review provides insights for the development and application of novel GM cells-based potency assays for biological products.
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Affiliation(s)
- Yu Lei
- Key Laboratory of the Ministry of Health for Research on Quality and Standardization of Biotech Products, National Institutes for Food and Drug Control, No. 2, Tiantan Xili, Dongcheng District, Beijing 100050, China
| | - Zhou Yong
- Key Laboratory of the Ministry of Health for Research on Quality and Standardization of Biotech Products, National Institutes for Food and Drug Control, No. 2, Tiantan Xili, Dongcheng District, Beijing 100050, China
| | - Wang Junzhi
- Key Laboratory of the Ministry of Health for Research on Quality and Standardization of Biotech Products, National Institutes for Food and Drug Control, No. 2, Tiantan Xili, Dongcheng District, Beijing 100050, China.
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Wang W, Yu C, Cui Y, Liu C, Yang Y, Xu G, Wu G, Du J, Fu Z, Guo L, Long C, Xia X, Li Y, Wang L, Wang Y. Development of a reporter gene assay for antibody dependent cellular cytotoxicity activity determination of anti-rabies virus glycoprotein antibodies. Microbiol Immunol 2023; 67:69-78. [PMID: 36346082 DOI: 10.1111/1348-0421.13036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 10/09/2022] [Accepted: 11/06/2022] [Indexed: 11/11/2022]
Abstract
Rabies is a viral disease that is nearly 100% fatal once clinical signs and symptoms develop. Post-exposure prophylaxis can efficiently prevent rabies, and antibody (Ab) induction by vaccination or passive immunization of human rabies immunoglobulin (HRIG) or monoclonal antibodies (mAbs) play an integral role in prevention against rabies. In addition to their capacity to neutralize viruses, antibodies exert their antiviral effects by antibody-dependent cellular cytotoxicity (ADCC), which plays an important role in antiviral immunity and clearance of viral infections. For antibodies against rabies virus (RABV), evaluation of ADCC activity was neglected. Here, we developed a robust cell-based reporter gene assay (RGA) for the determination of the ADCC activity of anti-RABV antibodies using CVS-N2c-293 cells, which stably express the glycoprotein (G) of RABV strain CVS-N2c as target cells, and Jurkat cells, which stably express FcγRⅢa and nuclear factor of activated T cells (NFAT) reporter gene as effector cells (Jurkat/NFAT-luc/FcγRⅢa cells). The experimental parameters were carefully optimized, and the established ADCC assay was systematically validated according to the International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH) Q2 guideline. We also evaluated the ADCC activity of anti-RABV antibodies, including mAbs, HRIG, and vaccine induced antisera, and found that all test antibodies exhibited ADCC activity with varied strengths. The established RGA provides a novel method for evaluating the ADCC of anti-RABV antibodies.
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Affiliation(s)
- Wenbo Wang
- Division of Monoclonal Antibody Products, National Institutes for Food and Drug Control (NIFDC), Beijing, China
| | - Chuanfei Yu
- Division of Monoclonal Antibody Products, National Institutes for Food and Drug Control (NIFDC), Beijing, China
| | - Yongfei Cui
- Division of Monoclonal Antibody Products, National Institutes for Food and Drug Control (NIFDC), Beijing, China
| | - Chunyu Liu
- Division of Monoclonal Antibody Products, National Institutes for Food and Drug Control (NIFDC), Beijing, China
| | - Yalan Yang
- Division of Monoclonal Antibody Products, National Institutes for Food and Drug Control (NIFDC), Beijing, China
| | - Gangling Xu
- Division of Monoclonal Antibody Products, National Institutes for Food and Drug Control (NIFDC), Beijing, China
| | - Gang Wu
- Division of Monoclonal Antibody Products, National Institutes for Food and Drug Control (NIFDC), Beijing, China
| | - Jialiang Du
- Division of Monoclonal Antibody Products, National Institutes for Food and Drug Control (NIFDC), Beijing, China
| | - Zhihao Fu
- Division of Monoclonal Antibody Products, National Institutes for Food and Drug Control (NIFDC), Beijing, China
| | - Luyong Guo
- Division of Monoclonal Antibody Products, National Institutes for Food and Drug Control (NIFDC), Beijing, China
| | - Caifeng Long
- Division of Monoclonal Antibody Products, National Institutes for Food and Drug Control (NIFDC), Beijing, China
| | - Xijie Xia
- China Pharmaceutical University, Nanjing, China
| | - Yuhua Li
- Division of Arboviral Vaccine, National Institutes for Food and Drug Control (NIFDC), Beijing, China
| | - Lan Wang
- Division of Monoclonal Antibody Products, National Institutes for Food and Drug Control (NIFDC), Beijing, China
| | - Youchun Wang
- Division of HIV/AIDS and Sex-Transmitted Virus Vaccines, National Institutes for Food and Drug Control (NIFDC), Beijing, China
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Solzin J, Eppler K, Knapp B, Buchner H, Bluhmki E. Optimising cell-based bioassays via integrated design of experiments (ixDoE) - A practical guide. SLAS DISCOVERY : ADVANCING LIFE SCIENCES R & D 2023; 28:29-38. [PMID: 36415004 DOI: 10.1016/j.slasd.2022.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 10/19/2022] [Accepted: 10/21/2022] [Indexed: 11/06/2022]
Abstract
For process optimisation Design of Experiments (DoE) has long been established as a more powerful strategy than a One Factor at a Time approach. Nevertheless, DoE is not widely used especially in the field of cell-based bioassay development although it is known that complex interactions often exist. We believe that biopharmaceutical manufacturers are reluctant to move beyond standard practices due to the perceived costs, efforts, and complexity. We therefore introduce the integrated DoE (ixDoE) approach to target a smarter use of DoEs in the bioassay setting, specifically in optimising resources and time. Where in a standard practice 3 to 4 separate DoEs would be performed, our ixDoE approach includes the necessary statistical inference from only a single experimental set. Hence, we advocate for an innovative, ixDoE approach accompanied by a suitable statistical analysis strategy and present this as a practical guide for a typical bioassay development from basic research to biopharmaceutical industry.
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Affiliation(s)
- J Solzin
- Boehringer Ingelheim Pharma GmbH & Co. KG, D-88397 Biberach (Riss), Germany.
| | - K Eppler
- Boehringer Ingelheim Pharma GmbH & Co. KG, D-88397 Biberach (Riss), Germany
| | - B Knapp
- Boehringer Ingelheim Pharma GmbH & Co. KG, D-88397 Biberach (Riss), Germany
| | | | - E Bluhmki
- Boehringer Ingelheim Pharma GmbH & Co. KG, D-88397 Biberach (Riss), Germany; Biberach University of Applied Sciences, D-88400 Biberach (Riss), Germany
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Hong Y, Guo H, Wei M, Zhang Y, Fang M, Cheng T, Li Z, Ge S, Yao X, Yuan Q, Xia N. Cell-based reporter assays for measurements of antibody-mediated cellular cytotoxicity and phagocytosis against SARS-CoV-2 spike protein. J Virol Methods 2022; 307:114564. [PMID: 35671888 PMCID: PMC9167684 DOI: 10.1016/j.jviromet.2022.114564] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 05/17/2022] [Accepted: 06/02/2022] [Indexed: 12/23/2022]
Abstract
The COVID-19 pandemic caused by SARS-CoV-2 infections has led to excess deaths worldwide. Neutralizing antibodies (nAbs) against viral spike protein acquired from natural infections or vaccinations contribute to protection against new- and re-infections. Besides neutralization, antibody-mediated cellular cytotoxicity (ADCC) and phagocytosis (ADCP) are also important for viral clearance. However, due to the lack of convenient methods, the ADCC and ADCP responses elicited by viral infections or vaccinations remain to be explored. Here, we developed cell-based assays using target cells stably expressing SARS-CoV-2 spikes and Jurkat-NFAT-CD16a/CD32a effector cells for ADCC/ADCP measurements of monoclonal antibodies and human convalescent COVID-19 plasmas (HCPs). In control samples (n = 190), the specificity was 99.5% (95%CI: 98.4–100%) and 97.4% (95%CI: 95.1–99.6%) for the ADCC and ADCP assays, respectively. Among 87 COVID-19 HCPs, 83 (sensitivity: 95.4%, 95%CI: 91.0–99.8%) and 81 (sensitivity: 93.1%, 95%CI: 87.8–98.4%) showed detectable ADCC (titer range: 7.4–1721.6) and ADCP activities (titer range: 4–523.2). Notably, both ADCC and ADCP antibody titers positively correlated with the nAb titers in HCPs. In summary, we developed new tools for quantitative ADCC and ADCP analysis against SARS-CoV-2, which may facilitate further evaluations of Fc-mediated effector functions in preventing and treating against SARS-CoV-2.
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Affiliation(s)
- Yuting Hong
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, Xiamen, Fujian, P. R. China; National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Life Sciences, Xiamen University, Xiamen, Fujian, P. R. China
| | - Huilin Guo
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, Xiamen, Fujian, P. R. China
| | - Min Wei
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, Xiamen, Fujian, P. R. China; National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Life Sciences, Xiamen University, Xiamen, Fujian, P. R. China
| | - Yali Zhang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, Xiamen, Fujian, P. R. China; National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Life Sciences, Xiamen University, Xiamen, Fujian, P. R. China
| | - Mujin Fang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, Xiamen, Fujian, P. R. China; National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Life Sciences, Xiamen University, Xiamen, Fujian, P. R. China
| | - Tong Cheng
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, Xiamen, Fujian, P. R. China; National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Life Sciences, Xiamen University, Xiamen, Fujian, P. R. China
| | - Zhiyong Li
- The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, P.R. China
| | - Shengxiang Ge
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, Xiamen, Fujian, P. R. China; National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Life Sciences, Xiamen University, Xiamen, Fujian, P. R. China
| | - Xiangyang Yao
- The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, P.R. China.
| | - Quan Yuan
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, Xiamen, Fujian, P. R. China; National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Life Sciences, Xiamen University, Xiamen, Fujian, P. R. China.
| | - Ningshao Xia
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, Xiamen, Fujian, P. R. China; National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Life Sciences, Xiamen University, Xiamen, Fujian, P. R. China
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