1
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Liu WN, Harden SL, Tan SLW, Tan RJR, Fong SY, Tan SY, Liu M, Karnik I, Shuen TWH, Toh HC, Fan Y, Lim SG, Chan JKY, Chen Q. Single-cell RNA sequencing reveals anti-tumor potency of CD56 + NK cells and CD8 + T cells in humanized mice via PD-1 and TIGIT co-targeting. Mol Ther 2024:S1525-0016(24)00611-7. [PMID: 39318093 DOI: 10.1016/j.ymthe.2024.09.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 08/16/2024] [Accepted: 09/19/2024] [Indexed: 09/26/2024] Open
Abstract
In solid tumors, the exhaustion of natural killer (NK) cells and cytotoxic T cells in the immunosuppressive tumor microenvironment poses challenges for effective tumor control. Conventional humanized mouse models of hepatocellular carcinoma patient-derived xenografts (HCC-PDX) encounter limitations in NK cell infiltration, hindering studies on NK cell immunobiology. Here, we introduce an improved humanized mouse model with restored NK cell reconstitution and infiltration in HCC-PDX, coupled with single-cell RNA sequencing (scRNA-seq) to identify potential anti-HCC treatments. A single administration of adeno-associated virus carrying human interleukin-15 reinstated persistent NK cell reconstitution and infiltration in HCC-PDX in humanized mice. scRNA-seq revealed NK cell and T cell subpopulations with heightened PDCD1 and TIGIT levels. Notably, combination therapy with anti-PD-1 and anti-TIGIT antibodies alleviated HCC burden in humanized mice, demonstrating NK cell-dependent efficacy. Bulk-RNA sequencing analysis also revealed significant alterations in the tumor transcriptome that may contribute to further resistance after combination therapy, warranting further investigations. As an emerging strategy, ongoing clinical trials with anti-PD-1 and anti-TIGIT antibodies provide limited data. The improved humanized mouse HCC-PDX model not only sheds light on the pivotal role of NK cells but also serves as a robust platform for evaluating safety and anti-tumor efficacy of combination therapies and other potential regimens, complementing clinical insights.
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Affiliation(s)
- Wai Nam Liu
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A∗STAR), 61 Biopolis Drive, Proteos, Singapore 138673, Republic of Singapore
| | - Sarah L Harden
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A∗STAR), 61 Biopolis Drive, Proteos, Singapore 138673, Republic of Singapore
| | - Shawn Lu Wen Tan
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A∗STAR), 61 Biopolis Drive, Proteos, Singapore 138673, Republic of Singapore
| | - Rachel Jun Rou Tan
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A∗STAR), 61 Biopolis Drive, Proteos, Singapore 138673, Republic of Singapore
| | - Shin Yie Fong
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A∗STAR), 61 Biopolis Drive, Proteos, Singapore 138673, Republic of Singapore
| | - Sue Yee Tan
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A∗STAR), 61 Biopolis Drive, Proteos, Singapore 138673, Republic of Singapore
| | - Min Liu
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A∗STAR), 61 Biopolis Drive, Proteos, Singapore 138673, Republic of Singapore
| | - Isha Karnik
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A∗STAR), 61 Biopolis Drive, Proteos, Singapore 138673, Republic of Singapore
| | - Timothy Wai Ho Shuen
- Division of Medical Oncology, National Cancer Centre Singapore, Singapore 168583, Republic of Singapore
| | - Han Chong Toh
- Division of Medical Oncology, National Cancer Centre Singapore, Singapore 168583, Republic of Singapore
| | - Yong Fan
- Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Seng Gee Lim
- Division of Gastroenterology and Hepatology, National University Hospital, Singapore 119228, Republic of Singapore; Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Republic of Singapore
| | - Jerry Kok Yen Chan
- Department of Reproductive Medicine, KK Women's and Children's Hospital, Singapore 229899, Republic of Singapore; Experimental Fetal Medicine Group, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117593, Republic of Singapore
| | - Qingfeng Chen
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A∗STAR), 61 Biopolis Drive, Proteos, Singapore 138673, Republic of Singapore; Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117593, Republic of Singapore; Singapore Immunology Network (SIgN), A∗STAR, 8A Biomedical Grove, Immunos, Singapore 138648, Republic of Singapore.
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2
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Han R, Su L, Cheng L. Advancing Human Vaccine Development Using Humanized Mouse Models. Vaccines (Basel) 2024; 12:1012. [PMID: 39340042 PMCID: PMC11436046 DOI: 10.3390/vaccines12091012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2024] [Revised: 08/11/2024] [Accepted: 08/27/2024] [Indexed: 09/30/2024] Open
Abstract
The development of effective vaccines against infectious diseases remains a critical challenge in global health. Animal models play a crucial role in vaccine development by providing valuable insights into the efficacy, safety, and mechanisms of immune response induction, which guide the design and formulation of vaccines. However, traditional animal models often inadequately recapitulate human immune responses. Humanized mice (hu-mice) models with a functional human immune system have emerged as invaluable tools in bridging the translational gap between preclinical research and clinical trials for human vaccine development. This review summarizes commonly used hu-mice models and advances in optimizing them to improve human immune responses. We review the application of humanized mice for human vaccine development with a focus on HIV-1 vaccines. We also discuss the remaining challenges and improvements needed for the currently available hu-mice models to better facilitate the development and testing of human vaccines for infectious diseases.
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Affiliation(s)
- Runpeng Han
- Department of Infectious Diseases, Zhongnan Hospital of Wuhan University, Medical Research Institute, Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430071, China
- Center for AIDS Research, Wuhan University, Wuhan 430071, China
| | - Lishan Su
- Laboratory of Viral Pathogenesis and Immunotherapy, Institute of Human Virology, Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD 02121, USA
| | - Liang Cheng
- Department of Infectious Diseases, Zhongnan Hospital of Wuhan University, Medical Research Institute, Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430071, China
- Center for AIDS Research, Wuhan University, Wuhan 430071, China
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3
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Sharma P, Chaudhary NR, Devi S, Negi S, Tandel N, Tyagi RK. Oleuropein mediated autophagy begets antimalarial drug resistance. Front Microbiol 2024; 15:1453998. [PMID: 39228384 PMCID: PMC11369837 DOI: 10.3389/fmicb.2024.1453998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2024] [Accepted: 08/02/2024] [Indexed: 09/05/2024] Open
Abstract
Drug resistance in Plasmodium falciparum presents a formidable challenge to the humanity. And, unavailability of an effective vaccine worsens the situation further. Autophagy is one of the mechanisms employed by parasite to evade drug pressure to survive. Autophagy induced by the P. falciparum in response to the oleuropein pressure may answer many questions related to the parasite survival as well as evolving drug tolerance. The survival/autophagy axis could be an important avenue to explore in order to address certain questions related to the evolution of drug resistance. In addition, humanized mouse model of P. falciparum infection could serve as an important preclinical tool to investigate the oleuropein-induced autophagy, potentially helping to dissect the mechanisms underlying the development of antimalarial drug resistance.
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Affiliation(s)
- Prakriti Sharma
- Division of Cell Biology and Immunology, Biomedical Parasitology and Translational-Immunology Lab, CSIR Institute of Microbial Technology (IMTECH), Chandigarh, India
| | - Neil Roy Chaudhary
- Division of Cell Biology and Immunology, Biomedical Parasitology and Translational-Immunology Lab, CSIR Institute of Microbial Technology (IMTECH), Chandigarh, India
| | - Sonia Devi
- Division of Cell Biology and Immunology, Biomedical Parasitology and Translational-Immunology Lab, CSIR Institute of Microbial Technology (IMTECH), Chandigarh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Sushmita Negi
- Division of Cell Biology and Immunology, Biomedical Parasitology and Translational-Immunology Lab, CSIR Institute of Microbial Technology (IMTECH), Chandigarh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Nikunj Tandel
- Institute of Science, Nirma University, Ahmedabad, Gujarat, India
| | - Rajeev K. Tyagi
- Division of Cell Biology and Immunology, Biomedical Parasitology and Translational-Immunology Lab, CSIR Institute of Microbial Technology (IMTECH), Chandigarh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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4
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Li W, Xia C, Wang K, Xue L, Wang Y, Yang JY, Zhang M, Yin M, Ju C, Miao Z, Li Y, Zhao X, Yang Z, Tang R, Yang W. Technical considerations and strategies for generating and optimizing humanized mouse tumor models in immuno-oncology research. Int Immunopharmacol 2024; 139:112722. [PMID: 39033663 DOI: 10.1016/j.intimp.2024.112722] [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: 12/15/2023] [Revised: 07/15/2024] [Accepted: 07/16/2024] [Indexed: 07/23/2024]
Abstract
The field of cancer immunotherapy has experienced significant progress, resulting in the emergence of numerous biological drug candidates requiring in vivo efficacy testing and a better understanding of their mechanism of action (MOA). Humanized immune system (HIS) models are valuable tools in this regard. However, there is a lack of systematic guidance on HIS modeling. To address this issue, the present study aimed to establish and optimize a variety of HIS models for immune-oncology (IO) study, including genetically engineered mouse models and HIS models with human immune components reconstituted in severely immunocompromised mice. The efficacy and utility of these models were tested with several marketed or investigational IO drugs according to their MOA, followed by immunophenotypic analysis and efficacy evaluation. The results of the present study demonstrated that the HIS models responded to various IO drugs as expected and that each model had unique niches, utilities and limitations. Researchers should carefully choose the appropriate models based on the MOA and the targeted immune cell populations of the investigational drug. The present study provides valuable methodologies and actionable technical guidance on designing, generating or utilizing appropriate HIS models to address specific questions in translational IO.
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Affiliation(s)
- Wenjing Li
- State Key Laboratory of Neurology and Oncology Drug Development, Nanjing 210000, China; Simcere Zaiming Pharmaceutical Co, Ltd., Shanghai 200120, China
| | - Chunlei Xia
- State Key Laboratory of Neurology and Oncology Drug Development, Nanjing 210000, China; Simcere Zaiming Pharmaceutical Co, Ltd., Shanghai 200120, China
| | - Kun Wang
- State Key Laboratory of Neurology and Oncology Drug Development, Nanjing 210000, China; Simcere Zaiming Pharmaceutical Co, Ltd., Shanghai 200120, China
| | - Liting Xue
- State Key Laboratory of Neurology and Oncology Drug Development, Nanjing 210000, China; Simcere Zaiming Pharmaceutical Co, Ltd., Shanghai 200120, China
| | - Yan Wang
- State Key Laboratory of Neurology and Oncology Drug Development, Nanjing 210000, China; Simcere Zaiming Pharmaceutical Co, Ltd., Shanghai 200120, China
| | | | | | - Ming Yin
- Beijing Vitalstar Biotechnology Co., Ltd., Beijing 100000, China
| | - Cunxiang Ju
- Gempharmatech Co., Ltd., Nanjing 210000, China
| | - Zhenchuan Miao
- Beijing Vitalstar Biotechnology Co., Ltd., Beijing 100000, China
| | - Ying Li
- Gempharmatech Co., Ltd., Nanjing 210000, China
| | - Xiaofeng Zhao
- State Key Laboratory of Neurology and Oncology Drug Development, Nanjing 210000, China; Jiangsu Simcere Pharmaceutical Co, Ltd., Nanjing 210000, China
| | - Zhijian Yang
- ClinBridge Biotech Co., Ltd., Nanjing 210000, China
| | - Renhong Tang
- State Key Laboratory of Neurology and Oncology Drug Development, Nanjing 210000, China; Simcere Zaiming Pharmaceutical Co, Ltd., Shanghai 200120, China.
| | - WenQing Yang
- State Key Laboratory of Neurology and Oncology Drug Development, Nanjing 210000, China; Simcere Zaiming Pharmaceutical Co, Ltd., Shanghai 200120, China.
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5
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Du EJ, Muench MO. A Monocytic Barrier to the Humanization of Immunodeficient Mice. Curr Stem Cell Res Ther 2024; 19:959-980. [PMID: 37859310 PMCID: PMC10997744 DOI: 10.2174/011574888x263597231001164351] [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: 06/25/2023] [Revised: 08/17/2023] [Accepted: 08/25/2023] [Indexed: 10/21/2023]
Abstract
Mice with severe immunodeficiencies have become very important tools for studying foreign cells in an in vivo environment. Xenotransplants can be used to model cells from many species, although most often, mice are humanized through the transplantation of human cells or tissues to meet the needs of medical research. The development of immunodeficient mice is reviewed leading up to the current state-of-the-art strains, such as the NOD-scid-gamma (NSG) mouse. NSG mice are excellent hosts for human hematopoietic stem cell transplants or immune reconstitution through transfusion of human peripheral blood mononuclear cells. However, barriers to full hematopoietic engraftment still remain; notably, the survival of human cells in the circulation is brief, which limits overall hematological and immune reconstitution. Reports have indicated a critical role for monocytic cells - monocytes, macrophages, and dendritic cells - in the clearance of xenogeneic cells from circulation. Various aspects of the NOD genetic background that affect monocytic cell growth, maturation, and function that are favorable to human cell transplantation are discussed. Important receptors, such as SIRPα, that form a part of the innate immune system and enable the recognition and phagocytosis of foreign cells by monocytic cells are reviewed. The development of humanized mouse models has taken decades of work in creating more immunodeficient mice, genetic modification of these mice to express human genes, and refinement of transplant techniques to optimize engraftment. Future advances may focus on the monocytic cells of the host to find ways for further engraftment and survival of xenogeneic cells.
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Affiliation(s)
- Emily J. Du
- Vitalant Research Institute, 360 Spear Street, Suite 200, San Francisco, CA, 94105, USA
| | - Marcus O. Muench
- Vitalant Research Institute, 360 Spear Street, Suite 200, San Francisco, CA, 94105, USA
- Department of Laboratory Medicine, University of California, San Francisco, CA, 94143, USA
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6
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Luo W, Hoang H, Liao Y, Pan J, Ayello J, Cairo MS. A humanized orthotopic mouse model for preclinical evaluation of immunotherapy in Ewing sarcoma. Front Immunol 2023; 14:1277987. [PMID: 37868989 PMCID: PMC10587429 DOI: 10.3389/fimmu.2023.1277987] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 09/19/2023] [Indexed: 10/24/2023] Open
Abstract
The advent of novel cancer immunotherapy approaches is revolutionizing the treatment for cancer. Current small animal models for most cancers are syngeneic or genetically engineered mouse models or xenograft models based on immunodeficient mouse strains. These models have been limited in evaluating immunotherapy regimens due to the lack of functional human immune system. Development of animal models for bone cancer faces another challenge in the accessibility of tumor engraftment sites. Here, we describe a protocol to develop an orthotopic humanized mouse model for a bone and soft tissue sarcoma, Ewing sarcoma, by transplanting fresh human cord blood CD34+ hematopoietic stem cells into young NSG-SGM3 mice combined with subsequent Ewing sarcoma patient derived cell engraftment in the tibia of the humanized mice. We demonstrated early and robust reconstitution of human CD45+ leukocytes including T cells, B cells, natural killer cells and monocytes. Ewing sarcoma xenograft tumors successfully orthotopically engrafted in the humanized mice with minimal invasive procedures. We validated the translational utility of this orthotopic humanized model by evaluating the safety and efficacy of an immunotherapy antibody, magrolimab. Treatment with magrolimab induces CD47 blockade resulting in significantly decreased primary tumor growth, decreased lung metastasis and prolonged animal survival in the established humanized model. Furthermore, the humanized model recapitulated the dose dependent toxicity associated with the CD47 blockade as observed in patients in clinical trials. In conclusion, this orthotopic humanized mouse model of Ewing sarcoma represents an improved platform for evaluating immunotherapy in bone and soft tissue sarcoma, such as Ewing sarcoma. With careful design and optimization, this model is generalizable for other bone malignancies.
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Affiliation(s)
- Wen Luo
- Department of Pediatrics, New York Medical College, Valhalla, NY, United States
- Department of Pathology, Immunology and Microbiology, New York Medical College, Valhalla, NY, United States
| | - Hai Hoang
- Department of Pediatrics, New York Medical College, Valhalla, NY, United States
| | - Yanling Liao
- Department of Pediatrics, New York Medical College, Valhalla, NY, United States
| | - Jian Pan
- Department of Pediatrics, New York Medical College, Valhalla, NY, United States
| | - Janet Ayello
- Department of Pediatrics, New York Medical College, Valhalla, NY, United States
| | - Mitchell S. Cairo
- Department of Pediatrics, New York Medical College, Valhalla, NY, United States
- Department of Pathology, Immunology and Microbiology, New York Medical College, Valhalla, NY, United States
- Department of Medicine, New York Medical College, Valhalla, NY, United States
- Department of Cell Biology and Anatomy, New York Medical College, Valhalla, NY, United States
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7
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Tan JHL, Hwang YY, Chin HX, Liu M, Tan SY, Chen Q. Towards a better preclinical cancer model - human immune aging in humanized mice. Immun Ageing 2023; 20:49. [PMID: 37752597 PMCID: PMC10523735 DOI: 10.1186/s12979-023-00374-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 09/14/2023] [Indexed: 09/28/2023]
Abstract
BACKGROUND Preclinical models are often used for cancer studies and evaluation of novel therapeutics. The relevance of these models has vastly improved with mice bearing a human immune system, especially in the context of immunotherapy. Nonetheless, cancer is an age-related disease, and studies often overlook the effects of aging. Here we have established a humanized mouse model of human immune aging to investigate the role of this phenomenon on liver tumor dynamics. METHODS Multiple organs and tissues (blood, thymus, lung, liver, spleen and bone marrow) were harvested from NOD-scid IL2rγ-/- (NIKO) mice reconstituted with human immune cells, over a period of 60 weeks post-birth, for immune profiling. Young and aging immune cells were compared for transcriptomic changes and functional differences. Effect of immune aging was investigated in a liver cancer humanized mouse model. RESULTS Focusing on the T cell population, which is central to cancer immunosurveillance and immunotherapy, we showed that the proportion of naïve T cells declined while memory subsets and senescent-like cells increased with age. RNA-sequencing revealed that downregulated genes were related to immune responses and processes, and this was corroborated by reduced cytokine production in aging T cells. Finally, we showed faster liver tumor growth in aging than younger humanized mice, which could be attributed to specific pathways of aging T cell exhaustion. CONCLUSION Our work improves on existing humanized (immune) mouse model and highlights the importance of considering immune aging in liver cancer modeling.
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Affiliation(s)
- Joel H L Tan
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore, 138673, Republic of Singapore
| | - You Yi Hwang
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), 8A Biomedical Grove, Immunos Level 3 & 4, Singapore, 138648, Republic of Singapore
| | - Hui Xian Chin
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), 8A Biomedical Grove, Immunos Level 3 & 4, Singapore, 138648, Republic of Singapore
| | - Min Liu
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore, 138673, Republic of Singapore
| | - Sue Yee Tan
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore, 138673, Republic of Singapore
| | - Qingfeng Chen
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore, 138673, Republic of Singapore.
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), 8A Biomedical Grove, Immunos Level 3 & 4, Singapore, 138648, Republic of Singapore.
- Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Republic of Singapore.
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8
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Baietti MF, Leucci E. Humanized mouse models for anti-cancer therapy. Methods Cell Biol 2023; 183:317-333. [PMID: 38548416 DOI: 10.1016/bs.mcb.2023.06.002] [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
Patient-derived xenograft (PDX) models are the golden standard for preclinical oncology as they can recapitulate the genotypic and phenotypic complexity of human tumors, thus enabling the development of effective therapeutic strategies. PDX models are typically established in immunocompromised animals that allow efficient growth of the xenografted tumor. Given the recent success of immune therapies in different tumors however, the establishment of humanized PDX models is critical to evaluate immune oncology drugs and/or combinations thereof. Here, we describe the detailed methods to obtain humanized PDX models for anti-cancer therapy testing.
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Affiliation(s)
- Maria Francesca Baietti
- TRACE PDX Platform, LKI Leuven Cancer Institute, Leuven, Belgium; Laboratory of RNA Cancer Biology, Department of Oncology, LKI Leuven Cancer Institute, Leuven, Belgium
| | - Eleonora Leucci
- TRACE PDX Platform, LKI Leuven Cancer Institute, Leuven, Belgium; Laboratory of RNA Cancer Biology, Department of Oncology, LKI Leuven Cancer Institute, Leuven, Belgium.
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Kim JT, Bresson-Tan G, Zack JA. Current Advances in Humanized Mouse Models for Studying NK Cells and HIV Infection. Microorganisms 2023; 11:1984. [PMID: 37630544 PMCID: PMC10458594 DOI: 10.3390/microorganisms11081984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/28/2023] [Accepted: 08/01/2023] [Indexed: 08/27/2023] Open
Abstract
Human immunodeficiency virus (HIV) has infected millions of people worldwide and continues to be a major global health problem. Scientists required a small animal model to study HIV pathogenesis and immune responses. To this end, humanized mice were created by transplanting human cells and/or tissues into immunodeficient mice to reconstitute a human immune system. Thus, humanized mice have become a critical animal model for HIV researchers, but with some limitations. Current conventional humanized mice are prone to death by graft versus host disease induced by the mouse signal regulatory protein α and CD47 signaling pathway. In addition, commonly used humanized mice generate low levels of human cytokines required for robust myeloid and natural killer cell development and function. Here, we describe recent advances in humanization procedures and transgenic and knock-in immunodeficient mice to address these limitations.
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Affiliation(s)
- Jocelyn T. Kim
- Department of Medicine, Division of Infectious Diseases, University of California Los Angeles, Los Angeles, CA 90095, USA; (J.T.K.)
| | - Gabrielle Bresson-Tan
- Department of Medicine, Division of Infectious Diseases, University of California Los Angeles, Los Angeles, CA 90095, USA; (J.T.K.)
| | - Jerome A. Zack
- Department of Microbiology, Immunology and Molecular Genetics, University of California Los Angeles, Los Angeles, CA 90095, USA;
- Department of Medicine, Division of Hematology and Oncology, University of California Los Angeles, Los Angeles, CA 90095, USA
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10
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Yong KSM, Anderson DE, Zheng AKE, Liu M, Tan SY, Tan WWS, Chen Q, Wang LF. Comparison of infection and human immune responses of two SARS-CoV-2 strains in a humanized hACE2 NIKO mouse model. Sci Rep 2023; 13:12484. [PMID: 37528224 PMCID: PMC10394059 DOI: 10.1038/s41598-023-39628-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 07/27/2023] [Indexed: 08/03/2023] Open
Abstract
The COVID-19 pandemic has sickened millions, cost lives and has devastated the global economy. Various animal models for experimental infection with SARS-CoV-2 have played a key role in many aspects of COVID-19 research. Here, we describe a humanized hACE2 (adenovirus expressing hACE2) NOD-SCID IL2Rγ-/- (NIKO) mouse model and compare infection with ancestral and mutant (SARS-CoV-2-∆382) strains of SARS-CoV-2. Immune cell infiltration, inflammation, lung damage and pro-inflammatory cytokines and chemokines was observed in humanized hACE2 NIKO mice. Humanized hACE2 NIKO mice infected with the ancestral and mutant SARS-CoV-2 strain had lung inflammation and production of pro-inflammatory cytokines and chemokines. This model can aid in examining the pathological basis of SARS-CoV-2 infection in a human immune environment and evaluation of therapeutic interventions.
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Affiliation(s)
- Kylie Su Mei Yong
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore, 138673, Singapore
| | - Danielle E Anderson
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore
- Department of Microbiology and Immunology, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Australia
| | - Adrian Kang Eng Zheng
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore
| | - Min Liu
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore, 138673, Singapore
| | - Sue Yee Tan
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore, 138673, Singapore
| | - Wilson Wei Sheng Tan
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore, 138673, Singapore
| | - Qingfeng Chen
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore, 138673, Singapore.
- Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
| | - Lin-Fa Wang
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore.
- Singhealth Duke-NUS Global Health Institute, Singapore, Singapore.
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11
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Nakajima S, Okuma K. Mouse Models for HTLV-1 Infection and Adult T Cell Leukemia. Int J Mol Sci 2023; 24:11737. [PMID: 37511495 PMCID: PMC10380921 DOI: 10.3390/ijms241411737] [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: 06/22/2023] [Revised: 07/18/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023] Open
Abstract
Adult T cell leukemia (ATL) is an aggressive hematologic disease caused by human T cell leukemia virus type 1 (HTLV-1) infection. Various animal models of HTLV-1 infection/ATL have been established to elucidate the pathogenesis of ATL and develop appropriate treatments. For analyses employing murine models, transgenic and immunodeficient mice are used because of the low infectivity of HTLV-1 in mice. Each mouse model has different characteristics that must be considered before use for different HTLV-1 research purposes. HTLV-1 Tax and HBZ transgenic mice spontaneously develop tumors, and the roles of both Tax and HBZ in cell transformation and tumor growth have been established. Severely immunodeficient mice were able to be engrafted with ATL cell lines and have been used in preclinical studies of candidate molecules for the treatment of ATL. HTLV-1-infected humanized mice with an established human immune system are a suitable model to characterize cells in the early stages of HTLV-1 infection. This review outlines the characteristics of mouse models of HTLV-1 infection/ATL and describes progress made in elucidating the pathogenesis of ATL and developing related therapies using these mice.
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Affiliation(s)
- Shinsuke Nakajima
- Department of Microbiology, Faculty of Medicine, Kansai Medical University, Hirakata 573-1010, Osaka, Japan
| | - Kazu Okuma
- Department of Microbiology, Faculty of Medicine, Kansai Medical University, Hirakata 573-1010, Osaka, Japan
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12
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Chen A, Neuwirth I, Herndler-Brandstetter D. Modeling the Tumor Microenvironment and Cancer Immunotherapy in Next-Generation Humanized Mice. Cancers (Basel) 2023; 15:2989. [PMID: 37296949 PMCID: PMC10251926 DOI: 10.3390/cancers15112989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/10/2023] [Accepted: 05/28/2023] [Indexed: 06/12/2023] Open
Abstract
Cancer immunotherapy has brought significant clinical benefits to numerous patients with malignant disease. However, only a fraction of patients experiences complete and durable responses to currently available immunotherapies. This highlights the need for more effective immunotherapies, combination treatments and predictive biomarkers. The molecular properties of a tumor, intratumor heterogeneity and the tumor immune microenvironment decisively shape tumor evolution, metastasis and therapy resistance and are therefore key targets for precision cancer medicine. Humanized mice that support the engraftment of patient-derived tumors and recapitulate the human tumor immune microenvironment of patients represent a promising preclinical model to address fundamental questions in precision immuno-oncology and cancer immunotherapy. In this review, we provide an overview of next-generation humanized mouse models suitable for the establishment and study of patient-derived tumors. Furthermore, we discuss the opportunities and challenges of modeling the tumor immune microenvironment and testing a variety of immunotherapeutic approaches using human immune system mouse models.
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Affiliation(s)
| | | | - Dietmar Herndler-Brandstetter
- Center for Cancer Research, Medical University of Vienna and Comprehensive Cancer Center, 1090 Vienna, Austria; (A.C.); (I.N.)
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13
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Karnik I, Her Z, Neo SH, Liu WN, Chen Q. Emerging Preclinical Applications of Humanized Mouse Models in the Discovery and Validation of Novel Immunotherapeutics and Their Mechanisms of Action for Improved Cancer Treatment. Pharmaceutics 2023; 15:1600. [PMID: 37376049 DOI: 10.3390/pharmaceutics15061600] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 05/22/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
Cancer therapeutics have undergone immense research over the past decade. While chemotherapies remain the mainstay treatments for many cancers, the advent of new molecular techniques has opened doors for more targeted modalities towards cancer cells. Although immune checkpoint inhibitors (ICIs) have demonstrated therapeutic efficacy in treating cancer, adverse side effects related to excessive inflammation are often reported. There is a lack of clinically relevant animal models to probe the human immune response towards ICI-based interventions. Humanized mouse models have emerged as valuable tools for pre-clinical research to evaluate the efficacy and safety of immunotherapy. This review focuses on the establishment of humanized mouse models, highlighting the challenges and recent advances in these models for targeted drug discovery and the validation of therapeutic strategies in cancer treatment. Furthermore, the potential of these models in the process of uncovering novel disease mechanisms is discussed.
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Affiliation(s)
- Isha Karnik
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore 138673, Singapore
- Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117593, Singapore
| | - Zhisheng Her
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore 138673, Singapore
| | - Shu Hui Neo
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore 138673, Singapore
| | - Wai Nam Liu
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore 138673, Singapore
| | - Qingfeng Chen
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore 138673, Singapore
- Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117593, Singapore
- Singapore Immunology Network, Agency for Science, Technology and Research (A*STAR), 8A Biomedical Grove, Immunos, Singapore 138648, Singapore
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14
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Ding T, Yu Y, Pan X, Chen H. Establishment of humanized mice and its application progress in cancer immunotherapy. Immunotherapy 2023; 15:679-697. [PMID: 37096919 DOI: 10.2217/imt-2022-0148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023] Open
Abstract
The current high prevalence of malignant tumors has attracted considerable attention, and treating advanced malignancies is becoming increasingly difficult. Although immunotherapy is a hopeful alternative, it is effective in only a few people. Thus, development of preclinical animal models is needed. Humanized xenotransplantation mouse models can help with selecting treatment protocols, evaluating curative effects and assessing prognosis. This review discusses the establishment of humanized mouse models and their application prospects in cancer immunotherapy to identify tailored therapies for individual patients.
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Affiliation(s)
- Tianlong Ding
- The Second Clinical Medical College, Lanzhou University, Lanzhou, 730030, PR China
- Department of Tumor Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, PR China
| | - Yang Yu
- The Second Clinical Medical College, Lanzhou University, Lanzhou, 730030, PR China
| | - Xiaoyuan Pan
- Department of Vision Rehabilitation, Gansu Province Hospital Rehabilitation Center, Lanzhou, 730030, PR China
| | - Hao Chen
- Department of Tumor Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, PR China
- Key Laboratory of Digestive System Tumors, Lanzhou University Second Hospital, Lanzhou, 730030, PR China
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15
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Flahou C, Morishima T, Higashi N, Hayashi Y, Xu H, Wang B, Zhang C, Ninomiya A, Qiu WY, Yuzuriha A, Suzuki D, Nakamura S, Manz M, Kaneko S, Hotta A, Takizawa H, Eto K, Sugimoto N. Humanized mouse models with endogenously developed human natural killer cells for in vivo immunogenicity testing of HLA class I-edited iPSC-derived cells. Biochem Biophys Res Commun 2023; 662:76-83. [PMID: 37099813 DOI: 10.1016/j.bbrc.2023.04.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 04/19/2023] [Indexed: 04/28/2023]
Abstract
Human induced pluripotent stem cells (hiPSCs) genetically depleted of human leucocyte antigen (HLA) class I expression can bypass T cell alloimmunity and thus serve as a one-for-all source for cell therapies. However, these same therapies may elicit rejection by natural killer (NK) cells, since HLA class I molecules serve as inhibitory ligands of NK cells. Here, we focused on testing the capacity of endogenously developed human NK cells in humanized mice (hu-mice) using MTSRG and NSG-SGM3 strains to assay the tolerance of HLA-edited iPSC-derived cells. High NK cell reconstitution was achieved with the engraftment of cord blood-derived human hematopoietic stem cells (hHSCs) followed by the administration of human interleukin-15 (hIL-15) and IL-15 receptor alpha (hIL-15Rα). Such "hu-NK mice" rejected HLA class I-null hiPSC-derived hematopoietic progenitor cells (HPCs), megakaryocytes and T cells, but not HLA-A/B-knockout, HLA-C expressing HPCs. To our knowledge, this study is the first to recapitulate the potent endogenous NK cell response to non-tumor HLA class I-downregulated cells in vivo. Our hu-NK mouse models are suitable for the non-clinical evaluation of HLA-edited cells and will contribute to the development of universal off-the-shelf regenerative medicine.
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Affiliation(s)
- Charlotte Flahou
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Tatsuya Morishima
- Laboratory of Stem Cell Stress, Kumamoto University, Kumamoto, Japan; Laboratory of Hematopoietic Stem Cell Engineering, International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan
| | - Natsumi Higashi
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Yoshikazu Hayashi
- Laboratory of Stem Cell Stress, Kumamoto University, Kumamoto, Japan; Laboratory of Hematopoietic Stem Cell Engineering, International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan
| | - Huaigeng Xu
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Bo Wang
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Chaoqi Zhang
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Atsushi Ninomiya
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Wei-Yin Qiu
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Akinori Yuzuriha
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Daisuke Suzuki
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Sou Nakamura
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Markus Manz
- Department of Hematology, University and University Hospital Zurich, 8091, Switzerland
| | - Shin Kaneko
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Akitsu Hotta
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Hitoshi Takizawa
- Laboratory of Stem Cell Stress, Kumamoto University, Kumamoto, Japan; Center for Metabolic Regulation of Healthy Aging, Kumamoto University, Kumamoto, Japan
| | - Koji Eto
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan; Department of Regenerative Medicine, Chiba University Graduate School of Medicine, Chiba, Japan.
| | - Naoshi Sugimoto
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan.
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16
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Hung S, Kasperkowitz A, Kurz F, Dreher L, Diessner J, Ibrahim ES, Schwarz S, Ohlsen K, Hertlein T. Next-generation humanized NSG-SGM3 mice are highly susceptible to Staphylococcus aureus infection. Front Immunol 2023; 14:1127709. [PMID: 36969151 PMCID: PMC10037040 DOI: 10.3389/fimmu.2023.1127709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 02/17/2023] [Indexed: 03/12/2023] Open
Abstract
Humanized hemato-lymphoid system mice, or humanized mice, emerged in recent years as a promising model to study the course of infection of human-adapted or human-specific pathogens. Though Staphylococcus aureus infects and colonizes a variety of species, it has nonetheless become one of the most successful human pathogens of our time with a wide armory of human-adapted virulence factors. Humanized mice showed increased vulnerability to S. aureus compared to wild type mice in a variety of clinically relevant disease models. Most of these studies employed humanized NSG (NOD-scid IL2Rgnull) mice which are widely used in the scientific community, but show poor human myeloid cell reconstitution. Since this immune cell compartment plays a decisive role in the defense of the human immune system against S. aureus, we asked whether next-generation humanized mice, like NSG-SGM3 (NOD-scid IL2Rgnull-3/GM/SF) with improved myeloid reconstitution, would prove to be more resistant to infection. To our surprise, we found the contrary when we infected humanized NSG-SGM3 (huSGM3) mice with S. aureus: although they had stronger human immune cell engraftment than humanized NSG mice, particularly in the myeloid compartment, they displayed even more pronounced vulnerability to S. aureus infection. HuSGM3 mice had overall higher numbers of human T cells, B cells, neutrophils and monocytes in the blood and the spleen. This was accompanied by elevated levels of pro-inflammatory human cytokines in the blood of huSGM3 mice. We further identified that the impaired survival of huSGM3 mice was not linked to higher bacterial burden nor to differences in the murine immune cell repertoire. Conversely, we could demonstrate a correlation of the rate of humanization and the severity of infection. Collectively, this study suggests a detrimental effect of the human immune system in humanized mice upon encounter with S. aureus which might help to guide future therapy approaches and analysis of virulence mechanisms.
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Affiliation(s)
- Sophia Hung
- Institute of Molecular Infection Biology, University of Würzburg, Würzburg, Germany
- Institute of Microbiology and Epizootics, Centre for Infection Medicine, School of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
- Veterinary Centre for Resistance Research (TZR), School of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
| | - Amelie Kasperkowitz
- Institute of Molecular Infection Biology, University of Würzburg, Würzburg, Germany
| | - Florian Kurz
- Institute of Pathology, University of Würzburg, Würzburg, Germany
| | - Liane Dreher
- Institute of Molecular Infection Biology, University of Würzburg, Würzburg, Germany
| | - Joachim Diessner
- Department for Obstetrics and Gynecology, University Hospital of Würzburg, Würzburg, Germany
| | - Eslam S. Ibrahim
- Institute of Molecular Infection Biology, University of Würzburg, Würzburg, Germany
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Stefan Schwarz
- Institute of Microbiology and Epizootics, Centre for Infection Medicine, School of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
- Veterinary Centre for Resistance Research (TZR), School of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
| | - Knut Ohlsen
- Institute of Molecular Infection Biology, University of Würzburg, Würzburg, Germany
| | - Tobias Hertlein
- Institute of Molecular Infection Biology, University of Würzburg, Würzburg, Germany
- *Correspondence: Tobias Hertlein,
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17
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Martinez-Sanz P, Laurent ARG, Slot E, Hoogenboezem M, Bąbała N, van Bruggen R, Rongvaux A, Flavell RA, Tytgat GAM, Franke K, Matlung HL, Kuijpers TW, Amsen D, Karrich JJ. Humanized MISTRG as a preclinical in vivo model to study human neutrophil-mediated immune processes. Front Immunol 2023; 14:1105103. [PMID: 36969261 PMCID: PMC10032520 DOI: 10.3389/fimmu.2023.1105103] [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: 11/22/2022] [Accepted: 02/22/2023] [Indexed: 03/11/2023] Open
Abstract
IntroductionMISTRG mice have been genetically modified to allow development of a human myeloid compartment from engrafted human CD34+ haemopoietic stem cells, making them particularly suited to study the human innate immune system in vivo. Here, we characterized the human neutrophil population in these mice to establish a model that can be used to study the biology and contribution in immune processes of these cells in vivo.Methods and resultsWe could isolate human bone marrow neutrophils from humanized MISTRG mice and confirmed that all neutrophil maturation stages from promyelocytes (CD11b–CD16–) to end-stage segmented cells (CD11b+CD16+) were present. We documented that these cells possessed normal functional properties, including degranulation, reactive oxygen species production, adhesion, and antibody-dependent cellular cytotoxicity towards antibody-opsonized tumor cells ex vivo. The acquisition of functional capacities positively correlated with the maturation state of the cell. We found that human neutrophils were retained in the bone marrow of humanized MISTRG mice during steady state. However, the mature segmented CD11b+CD16+ human neutrophils were released from the bone marrow in response to two well-established neutrophil-mobilizing agents (i.e., G-CSF and/or CXCR4 antagonist Plerixafor). Moreover, the neutrophil population in the humanized MISTRG mice actively reacted to thioglycolate-induced peritonitis and could infiltrate implanted human tumors, as shown by flow cytometry and fluorescent microscopy.DiscussionThese results show that functional human neutrophils are generated and can be studied in vivo using the humanized MISTRG mice, providing a model to study the various functions of neutrophils in inflammation and in tumors.
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Affiliation(s)
- Paula Martinez-Sanz
- Sanquin Research and Landsteiner Laboratory, Department of Molecular Hematology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
- *Correspondence: Paula Martinez-Sanz, ; Julien J. Karrich, ; Derk Amsen,
| | - Adrien R. G. Laurent
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Edith Slot
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Mark Hoogenboezem
- Sanquin Research and Landsteiner Laboratory, Department of Molecular Hematology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Nikolina Bąbała
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Robin van Bruggen
- Sanquin Research and Landsteiner Laboratory, Department of Molecular Hematology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Anthony Rongvaux
- Department of Immunology, University of Washington, Seattle, WA, United States
- Fred Hutchinson Cancer Research Center, Clinical Research Division, Seattle, WA, United States
| | - Richard A. Flavell
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT, United States
- Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, CT, United States
| | - Godelieve A. M. Tytgat
- Princess Maxima Center for Pediatric Oncology, Department of Pediatric Oncology, Utrecht, Netherlands
| | - Katka Franke
- Sanquin Research and Landsteiner Laboratory, Department of Molecular Hematology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Hanke L. Matlung
- Sanquin Research and Landsteiner Laboratory, Department of Molecular Hematology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Taco W. Kuijpers
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
- Rheumatology and Infectious Diseases, Emma Children's Hospital, Department of Pediatric Immunology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Derk Amsen
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
- *Correspondence: Paula Martinez-Sanz, ; Julien J. Karrich, ; Derk Amsen,
| | - Julien J. Karrich
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
- *Correspondence: Paula Martinez-Sanz, ; Julien J. Karrich, ; Derk Amsen,
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18
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Abeynaike SA, Huynh TR, Mehmood A, Kim T, Frank K, Gao K, Zalfa C, Gandarilla A, Shultz L, Paust S. Human Hematopoietic Stem Cell Engrafted IL-15 Transgenic NSG Mice Support Robust NK Cell Responses and Sustained HIV-1 Infection. Viruses 2023; 15:365. [PMID: 36851579 PMCID: PMC9960100 DOI: 10.3390/v15020365] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 01/18/2023] [Accepted: 01/25/2023] [Indexed: 01/31/2023] Open
Abstract
Mice reconstituted with human immune systems are instrumental in the investigation of HIV-1 pathogenesis and therapeutics. Natural killer (NK) cells have long been recognized as a key mediator of innate anti-HIV responses. However, established humanized mouse models do not support robust human NK cell development from engrafted human hematopoietic stem cells (HSCs). A major obstacle to human NK cell reconstitution is the lack of human interleukin-15 (IL-15) signaling, as murine IL-15 is a poor stimulator of the human IL-15 receptor. Here, we demonstrate that immunodeficient NOD.Cg-Prkdcscid Il2rgtm1Wjl/SzJ (NSG) mice expressing a transgene encoding human IL-15 (NSG-Tg(IL-15)) have physiological levels of human IL-15 and support long-term engraftment of human NK cells when transplanted with human umbilical-cord-blood-derived HSCs. These Hu-NSG-Tg(IL-15) mice demonstrate robust and long-term reconstitution with human immune cells, but do not develop graft-versus-host disease (GVHD), allowing for long-term studies of human NK cells. Finally, we show that these HSC engrafted mice can sustain HIV-1 infection, resulting in human NK cell responses in HIV-infected mice. We conclude that Hu-NSG-Tg(IL-15) mice are a robust novel model to study NK cell responses to HIV-1.
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Affiliation(s)
- Shawn A. Abeynaike
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Tridu R. Huynh
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
- Scripps Research Translational Institute, La Jolla, CA 92037, USA
- Division of Internal Medicine, Scripps Clinic/Scripps Green Hospital, La Jolla, CA 92037, USA
| | - Abeera Mehmood
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Teha Kim
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Kayla Frank
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Kefei Gao
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Cristina Zalfa
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Angel Gandarilla
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | | | - Silke Paust
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
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19
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Sungur CM, Wang Q, Ozantürk AN, Gao H, Schmitz AJ, Cella M, Yokoyama WM, Shan L. Human NK cells confer protection against HIV-1 infection in humanized mice. J Clin Invest 2022; 132:e162694. [PMID: 36282589 PMCID: PMC9753998 DOI: 10.1172/jci162694] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 10/04/2022] [Indexed: 12/24/2022] Open
Abstract
The role of NK cells against HIV-1 infections remains to be elucidated in vivo. While humanized mouse models potentially could be used to directly evaluate human NK cell responses during HIV-1 infection, improved functional development of human NK cells in these hosts is needed. Here, we report the humanized MISTRG-6-15 mouse model, in which NK cells were quick to expand and exhibit degranulation, cytotoxicity, and proinflammatory cytokine production in nonlymphoid organs upon HIV-1 infection but had reduced functionality in lymphoid organs. Although HIV-1 infection induced functional impairment of NK cells, antiretroviral therapy reinvigorated NK cells in response to HIV-1 rebound after analytic treatment interruption. Moreover, a broadly neutralizing antibody, PGT121, enhanced NK cell function in vivo, consistent with antibody-dependent cellular cytotoxicity. Monoclonal antibody depletion of NK cells resulted in higher viral loads in multiple nonlymphoid organs. Overall, our results in humanized MISTRG-6-15 mice demonstrated that NK cells provided direct anti-HIV-1 responses in vivo but were limited in their responses in lymphoid organs.
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Affiliation(s)
| | - Qiankun Wang
- Division of Infectious Diseases, Department of Medicine
| | | | - Hongbo Gao
- Division of Infectious Diseases, Department of Medicine
| | | | | | - Wayne M. Yokoyama
- Division of Rheumatology, Department of Medicine
- The Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, Saint Louis, Missouri, USA
| | - Liang Shan
- Division of Infectious Diseases, Department of Medicine
- The Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, Saint Louis, Missouri, USA
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20
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A humanized "new-trophil" mouse to study early inflammatory processes. Proc Natl Acad Sci U S A 2022; 119:e2216699119. [PMID: 36442110 PMCID: PMC9894160 DOI: 10.1073/pnas.2216699119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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21
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Zhang S, Wang G, Lyu Y, Tian H, Shu C, Chen B, Fan W, Xu W, Shan Y, He J, Yang YG, Hu Z, Sun L. Human growth hormone supplement promotes human lymphohematopoietic cell reconstitution in immunodeficient mice. Immunotherapy 2022; 14:1383-1392. [PMID: 36468406 DOI: 10.2217/imt-2021-0278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Aim: To investigate the potential of human growth hormone (hGH) to improve human hematopoietic reconstitution in humanized mice. Materials & methods: Immunodeficient mice were conditioned by total body irradiation and transplanted with human CD34+ fetal liver cells. Peripheral blood, spleen and bone marrow were harvested, and levels of human lymphohematopoietic cells were determined by flow cytometry. Results: Supplementation with hGH elevated human lymphohematopoietic chimerism by more than twofold. Treatment with hGH resulted in significantly increased reconstitution of human B cells and myeloid cells in lymphoid organs, enhanced human erythropoiesis in the bone morrow, and improved engraftment of human hematopoietic stem cells. Conclusion: hGH supplementation promotes human lymphohematopoietic reconstitution in humanized mice.
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Affiliation(s)
- Siwen Zhang
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, & Department of Endocrinology & Metabolism, The First Hospital of Jilin University, Changchun, 130061, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, 130061, China
| | - Guixia Wang
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, & Department of Endocrinology & Metabolism, The First Hospital of Jilin University, Changchun, 130061, China
| | - Yanan Lyu
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, & Department of Endocrinology & Metabolism, The First Hospital of Jilin University, Changchun, 130061, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, 130061, China
| | - Huimin Tian
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, & Department of Endocrinology & Metabolism, The First Hospital of Jilin University, Changchun, 130061, China
| | - Chang Shu
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, & Department of Endocrinology & Metabolism, The First Hospital of Jilin University, Changchun, 130061, China
| | - Bing Chen
- China-Japan Union Hospital of Jilin University, Changchun, 130033, China
| | - Wei Fan
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, & Department of Endocrinology & Metabolism, The First Hospital of Jilin University, Changchun, 130061, China
| | - Wenshu Xu
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, & Department of Endocrinology & Metabolism, The First Hospital of Jilin University, Changchun, 130061, China
| | - Yanhong Shan
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, & Department of Endocrinology & Metabolism, The First Hospital of Jilin University, Changchun, 130061, China
| | - Jin He
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, & Department of Endocrinology & Metabolism, The First Hospital of Jilin University, Changchun, 130061, China
| | - Yong-Guang Yang
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, & Department of Endocrinology & Metabolism, The First Hospital of Jilin University, Changchun, 130061, China.,International Center of Future Science, Jilin University, Changchun, 130012, China
| | - Zheng Hu
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, & Department of Endocrinology & Metabolism, The First Hospital of Jilin University, Changchun, 130061, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, 130061, China
| | - Liguang Sun
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, & Department of Endocrinology & Metabolism, The First Hospital of Jilin University, Changchun, 130061, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, 130061, China
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22
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Fraker S, Atkinson B, Heredia A. Humanized mouse models for preclinical evaluation of HIV cure strategies. AIDS Rev 2022; 24:139-151. [PMID: 35622983 PMCID: PMC9643647 DOI: 10.24875/aidsrev.22000013] [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: 04/04/2022] [Accepted: 04/27/2022] [Indexed: 11/17/2022]
Abstract
Although the world is currently focused on the COVID-19 pandemic, HIV/AIDS remains a significant threat to public health. To date, the HIV/AIDS pandemic has claimed the lives of over 36 million people, while nearly 38 million people are currently living with the virus. Despite the undeniable success of antiretroviral therapy (ART) in controlling HIV, the medications are not curative. Soon after initial infection, HIV integrates into the genome of infected cells as a provirus, primarily, within CD4+ T lymphocytes and tissue macrophages. When not actively transcribed, the provirus is referred to as a latent reservoir because it is hidden to the immune system and ART. Following ART discontinuation, HIV may emerge from the replication-competent proviruses and resumes the infection of healthy cells. Thus, these latent reservoirs are a major obstacle to an HIV cure, and their removal remains a priority. A vital aspect in the development of curative therapies is the demonstration of efficacy in an animal model, such as the humanized mouse model. Therefore, optimization, standardization, and validation of the humanized mouse model are a priority. The purpose of this review article is to provide an update on existing humanized mouse models, highlighting the advantages and disadvantages of each as they pertain to HIV cure studies and to review the approaches to curative therapies that are under investigation.
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Affiliation(s)
- Sally Fraker
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, Maryland 21201
| | - Benjamin Atkinson
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, Maryland 21201
| | - Alonso Heredia
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, Maryland 21201
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23
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Chen J, Liao S, Xiao Z, Pan Q, Wang X, Shen K, Wang S, Yang L, Guo F, Liu HF, Pan Q. The development and improvement of immunodeficient mice and humanized immune system mouse models. Front Immunol 2022; 13:1007579. [PMID: 36341323 PMCID: PMC9626807 DOI: 10.3389/fimmu.2022.1007579] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 10/07/2022] [Indexed: 12/02/2022] Open
Abstract
Animal models play an indispensable role in the study of human diseases. However, animal models of different diseases do not fully mimic the complex internal environment of humans. Immunodeficient mice are deficient in certain genes and do not express these or show reduced expression in some of their cells, facilitating the establishment of humanized mice and simulation of the human environment in vivo. Here, we summarize the developments in immunodeficient mice, from the initial nude mice lacking T lymphocytes to NOD/SCID rgnull mice lacking T, B, and NK cell populations. We describe existing humanized immune system mouse models based on immunodeficient mice in which human cells or tissues have been transplanted to establish a human immune system, including humanized-peripheral blood mononuclear cells (Hu-PBMCs), humanized hematopoietic stem cells (Hu-HSCs), and humanized bone marrow, liver, thymus (Hu-BLT) mouse models. The different methods for their development involve varying levels of complexity and humanization. Humanized mice are widely used in the study of various diseases to provide a transitional stage for clinical research. However, several challenges persist, including improving the efficiency of reconstructing the human B cell immune response, extending lifespan, improving the survival rate of mice to extend the observation period, and improving the development of standardized commercialized models and as well as their use. Overall, there are many opportunities and challenges in the development of humanized immune system mouse models which can provide novel strategies for understanding the mechanisms and treatments of human disease.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Qingjun Pan
- *Correspondence: Hua-feng Liu, ; Qingjun Pan,
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24
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SARS-CoV-2 Variant-Specific Infectivity and Immune Profiles Are Detectable in a Humanized Lung Mouse Model. Viruses 2022; 14:v14102272. [PMID: 36298826 PMCID: PMC9612296 DOI: 10.3390/v14102272] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/09/2022] [Accepted: 10/14/2022] [Indexed: 11/05/2022] Open
Abstract
Small animal models that accurately model pathogenesis of SARS-CoV-2 variants are required for ongoing research efforts. We modified our human immune system mouse model to support replication of SARS-CoV-2 by implantation of human lung tissue into the mice to create TKO-BLT-Lung (L) mice and compared infection with two different variants in a humanized lung model. Infection of TKO-BLT-L mice with SARS-CoV-2 recapitulated the higher infectivity of the B.1.1.7 variant with more animals becoming infected and higher sustained viral loads compared to mice challenged with an early B lineage (614D) virus. Viral lesions were observed in lung organoids but no differences were detected between the viral variants as expected. Partially overlapping but distinct immune profiles were also observed between the variants with a greater Th1 profile in VIDO-01 and greater Th2 profile in B.1.1.7 infection. Overall, the TKO-BLT-L mouse supported SARS-CoV-2 infection, recapitulated key known similarities and differences in infectivity and pathogenesis as well as revealing previously unreported differences in immune responses between the two viral variants. Thus, the TKO-BLT-L model may serve as a useful animal model to study the immunopathobiology of newly emerging variants in the context of genuine human lung tissue and immune cells.
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25
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Guo J, Wang S, Gao Q. Can next-generation humanized mice that reconstituted with both functional human immune system and hepatocytes model the progression of viral hepatitis to hepatocarcinogenesis? Front Med (Lausanne) 2022; 9:1002260. [PMID: 36213658 PMCID: PMC9537463 DOI: 10.3389/fmed.2022.1002260] [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: 07/25/2022] [Accepted: 09/08/2022] [Indexed: 11/30/2022] Open
Abstract
Hepatitis B virus (HBV) and Hepatitis C virus (HCV) chronic infections cause liver immunopathological diseases such as hepatitis, fibrosis, cirrhosis, and hepatocellular carcinomas, which are difficult to treat and continue to be major health problems globally. Due to the species-specific hepato-tropism of HBV and HCV, conventional rodent models are limited in their utility for studying the infection and associated liver immunopathogenesis. Humanized mice reconstituted with both functional human immune system and hepatocytes (HIS-HuHEP mice) have been extremely instrumental for in vivo studies of HBV or HCV infection and human-specific aspects of the progression of liver immunopathogenesis. However, none of the current HIS-HuHEP mice can model the progression of viral hepatitis to hepatocarcinogenesis which may be a notorious result of HBV or HCV chronic infection in patients, suggesting that they were functionally compromised and that there is still significant space to improve and establish next-generation of HIS-HuHEP mice with more sophisticated functions. In this review, we first summarize the principal requirements to establish HIS-HuHEP mice. We then discuss the respective protocols for current HIS-HuHEP mice and their applications, as well as their advantages and disadvantages. We also raise perspectives for further improving and establishing next-generation HIS-HuHEP mice.
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Affiliation(s)
- Jinglong Guo
- Department of Cardiovascular Disease, The First Hospital of Jilin University, Changchun, China
| | - Siyue Wang
- Graduate Program in Immunology and Microbiology, Baylor College of Medicine, One Baylor Plaza, Houston, TX, United States
| | - Qi Gao
- Department of Cardiovascular Disease, The First Hospital of Jilin University, Changchun, China
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26
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Ho N, Agarwal S, Milani M, Cantore A, Buchholz CJ, Thalheimer FB. In vivo generation of CAR T cells in the presence of human myeloid cells. Mol Ther Methods Clin Dev 2022; 26:144-156. [PMID: 35795778 PMCID: PMC9249670 DOI: 10.1016/j.omtm.2022.06.004] [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: 03/09/2022] [Accepted: 06/03/2022] [Indexed: 11/06/2022]
Abstract
Pre-clinical humanized mouse models are a powerful tool to evaluate immunotherapies. NSG-SGM3 mice reconstituted with human stem cells (huSGM3) develop pronounced human myeloid cells due to transgenic expression of stem cell factor, granulocyte-macrophage colony-stimulating factor, and interleukin-3 (IL-3) compared with the widely used humanized NSG (huNSG) model. We assessed in vivo generation of CD19-CAR T cells in huSGM3 mice upon single intravenous injection of the T cell-specific lentiviral vectors (LVs) CD4-LV and CD8-LV. While in vivo CAR T cell generation was clearly detectable in individual mice, generation appeared less efficient than previously observed for huNSG mice. Especially for the CD4-LV group, this correlated with increased IL-15 and decreased GM-CSF levels, indicating activation of monocytes and macrophages. Co-culture assays identified macrophages as a potential barrier for gene transfer. Refining CD4-LV and CD8-LV with a less immunogenic surface by using modified packaging cells substantially improved the transduction of lymphocytes in vitro in the presence of macrophages, as well in vivo in huSGM3 mice. Notably, two mice that developed less CAR T cells showed high interferon-α or -β levels before vector injection. Our data emphasize the relevance of innate immune responses for in vivo generation of CAR T cells, which can be overcome by vector surface engineering.
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Affiliation(s)
- Naphang Ho
- Molecular Biotechnology and Gene Therapy, Paul-Ehrlich-Institut, Paul-Ehrlich-Straße 51-59, 63225 Langen, Germany.,Frankfurt Cancer Institute, Goethe University, 60590 Frankfurt am Main, Germany
| | - Shiwani Agarwal
- Molecular Biotechnology and Gene Therapy, Paul-Ehrlich-Institut, Paul-Ehrlich-Straße 51-59, 63225 Langen, Germany
| | - Michela Milani
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Alessio Cantore
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy.,Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Christian J Buchholz
- Molecular Biotechnology and Gene Therapy, Paul-Ehrlich-Institut, Paul-Ehrlich-Straße 51-59, 63225 Langen, Germany.,Frankfurt Cancer Institute, Goethe University, 60590 Frankfurt am Main, Germany.,Division of Medical Biotechnology, Paul-Ehrlich-Institut, 63225 Langen, Germany
| | - Frederic B Thalheimer
- Molecular Biotechnology and Gene Therapy, Paul-Ehrlich-Institut, Paul-Ehrlich-Straße 51-59, 63225 Langen, Germany.,Frankfurt Cancer Institute, Goethe University, 60590 Frankfurt am Main, Germany
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27
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Aryee K, Burzenski LM, Yao L, Keck JG, Greiner D, Shultz LD, Brehm MA. Enhanced development of functional human NK cells in NOD-scid-IL2rg null mice expressing human IL15. FASEB J 2022; 36:e22476. [PMID: 35959876 PMCID: PMC9383543 DOI: 10.1096/fj.202200045r] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 07/08/2022] [Accepted: 07/19/2022] [Indexed: 01/09/2023]
Abstract
Human innate immunity plays a critical role in tumor surveillance and in immunoregulation within the tumor microenvironment. Natural killer (NK) cells are innate lymphoid cells that have opposing roles in the tumor microenvironment, including NK cell subsets that mediate tumor cell cytotoxicity and subsets with regulatory function that contribute to the tumor immune suppressive environment. The balance between effector and regulatory NK cell subsets has been studied extensively in murine models of cancer, but there is a paucity of models to study human NK cell function in tumorigenesis. Humanized mice are a powerful alternative to syngeneic mouse tumor models for the study of human immuno-oncology and have proven effective tools to test immunotherapies targeting T cells. However, human NK cell development and survival in humanized NOD-scid-IL2rgnull (NSG) mice are severely limited. To enhance NK cell development, we have developed NSG mice that constitutively expresses human Interleukin 15 (IL15), NSG-Tg(Hu-IL15). Following hematopoietic stem cell engraftment of NSG-Tg(Hu-IL15) mice, significantly higher levels of functional human CD56+ NK cells are detectable in blood and spleen, as compared to NSG mice. Hematopoietic stem cell (HSC)-engrafted NSG-Tg(Hu-IL15) mice also supported the development of human CD3+ T cells, CD20+ B cells, and CD33+ myeloid cells. Moreover, the growth kinetics of a patient-derived xenograft (PDX) melanoma were significantly delayed in HSC-engrafted NSG-Tg(Hu-IL15) mice as compared to HSC-engrafted NSG mice demonstrating that human NK cells have a key role in limiting the tumor growth. Together, these data demonstrate that HSC-engrafted NSG-Tg(Hu-IL15) mice support enhanced development of functional human NK cells, which limit the growth of PDX tumors.
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Affiliation(s)
- Ken‐Edwin Aryee
- Program in Molecular MedicineDiabetes Center of Excellence, University of Massachusetts Chan Medical SchoolWorcesterMassachusettsUSA
| | | | - Li‐Chin Yao
- The Jackson LaboratorySacramentoCaliforniaUSA
| | | | - Dale L. Greiner
- Program in Molecular MedicineDiabetes Center of Excellence, University of Massachusetts Chan Medical SchoolWorcesterMassachusettsUSA
| | | | - Michael A. Brehm
- Program in Molecular MedicineDiabetes Center of Excellence, University of Massachusetts Chan Medical SchoolWorcesterMassachusettsUSA
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28
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Tan S, Fang M, Fan W, Wang Z, Lv Y, Zou J, Wang X, Liu B, Yang YG, Hu Z. Improvement of human myeloid and natural killer cell development in humanized mice via hydrodynamic injection of transposon plasmids containing multiple human cytokine genes. Immunol Cell Biol 2022; 100:624-635. [PMID: 35662247 DOI: 10.1111/imcb.12564] [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: 12/22/2020] [Revised: 05/12/2021] [Accepted: 06/03/2022] [Indexed: 11/29/2022]
Abstract
Humanized mice reconstituted with a functional human immune system (HIS) are instrumental in studying human immunity and immune disorders in vivo. The poor or lack of cross-reactivity between mouse cytokines and human cells limits the development and/or function of human immune cell subsets including human myeloid, natural killer and B cells. Here we explored the potential to achieve long-term production of human cytokines in immunodeficient mice using a transposon-plasmid-based hydrodynamic injection approach. We constructed a transposon-plasmid carrying five human cytokine coding sequences (named PB-5F), and observed that four of the cytokines (granulocyte-macrophage colony-stimulating factor, interleukin (IL)-15, IL-6 and IL-3) were detectable in sera and three (granulocyte-macrophage colony-stimulating factor, IL-15 and IL-6) showed long-term production in immunodeficient mice that received a single hydrodynamic injection of PB-5F plus the transposase plasmid (Super PB). Furthermore, a single injection of PB-5F/Super PB markedly enhanced the reconstitution of human myeloid cells and natural killer cells, and promoted human B-cell maturation in HIS mice. Taken together, our data revealed that hydrodynamic injection of the PB-5F/Super PB vectors may serve as a convenient and efficacious means to promote human immune function in HIS mice.
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Affiliation(s)
- Shulian Tan
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, The First Hospital of Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, The First Hospital of Jilin University, Changchun, China
| | - Minghui Fang
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, The First Hospital of Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, The First Hospital of Jilin University, Changchun, China
| | - Wei Fan
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, The First Hospital of Jilin University, Changchun, China
| | - Zhaowei Wang
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, The First Hospital of Jilin University, Changchun, China
| | - Yanan Lv
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, The First Hospital of Jilin University, Changchun, China
| | - Jun Zou
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, The First Hospital of Jilin University, Changchun, China
| | - Xue Wang
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, The First Hospital of Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, The First Hospital of Jilin University, Changchun, China
| | - Bin Liu
- Department of Hand and Foot Surgery, The First Hospital of Jilin University, Changchun, China
| | - Yong-Guang Yang
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, The First Hospital of Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, The First Hospital of Jilin University, Changchun, China.,International Center of Future Science, Jilin University, Changchun, China
| | - Zheng Hu
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, The First Hospital of Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, The First Hospital of Jilin University, Changchun, China
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29
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Guedan S, Luu M, Ammar D, Barbao P, Bonini C, Bousso P, Buchholz CJ, Casucci M, De Angelis B, Donnadieu E, Espie D, Greco B, Groen R, Huppa JB, Kantari-Mimoun C, Laugel B, Mantock M, Markman JL, Morris E, Quintarelli C, Rade M, Reiche K, Rodriguez-Garcia A, Rodriguez-Madoz JR, Ruggiero E, Themeli M, Hudecek M, Marchiq I. Time 2EVOLVE: predicting efficacy of engineered T-cells - how far is the bench from the bedside? J Immunother Cancer 2022; 10:jitc-2021-003487. [PMID: 35577501 PMCID: PMC9115015 DOI: 10.1136/jitc-2021-003487] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/07/2022] [Indexed: 12/13/2022] Open
Abstract
Immunotherapy with gene engineered CAR and TCR transgenic T-cells is a transformative treatment in cancer medicine. There is a rich pipeline with target antigens and sophisticated technologies that will enable establishing this novel treatment not only in rare hematological malignancies, but also in common solid tumors. The T2EVOLVE consortium is a public private partnership directed at accelerating the preclinical development of and increasing access to engineered T-cell immunotherapies for cancer patients. A key ambition in T2EVOLVE is to assess the currently available preclinical models for evaluating safety and efficacy of engineered T cell therapy and developing new models and test parameters with higher predictive value for clinical safety and efficacy in order to improve and accelerate the selection of lead T-cell products for clinical translation. Here, we review existing and emerging preclinical models that permit assessing CAR and TCR signaling and antigen binding, the access and function of engineered T-cells to primary and metastatic tumor ligands, as well as the impact of endogenous factors such as the host immune system and microbiome. Collectively, this review article presents a perspective on an accelerated translational development path that is based on innovative standardized preclinical test systems for CAR and TCR transgenic T-cell products.
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Affiliation(s)
- Sonia Guedan
- Department of Hematology and Oncology, Hospital Clinic, IDIBAPS, Barcelona, Spain
| | - Maik Luu
- 19 Lehrstuhl für Zelluläre Immuntherapie, Medizinische Klinik und Poliklinik II, Universitätsklinikum Würzburg, Wurzburg, Germany
| | | | - Paula Barbao
- Department of Hematology and Oncology, Hospital Clinic, IDIBAPS, Barcelona, Spain
| | - Chiara Bonini
- Experimental Hematology Unit, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - Philippe Bousso
- Institut Pasteur, Université de Paris Cité, Inserm U1223, Paris, France
| | | | - Monica Casucci
- Innovative Immunotherapies Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Biagio De Angelis
- Department Onco-Haematology, and Cell and Gene Therapy, Bambino Gesù Children Hospital, IRCCS, Rome, Italy
| | - Emmanuel Donnadieu
- Université Paris Cité, CNRS, INSERM, Equipe Labellisée Ligue Contre le Cancer, Institut Cochin, F-75014 Paris, France
| | - David Espie
- Université Paris Cité, CNRS, INSERM, Equipe Labellisée Ligue Contre le Cancer, Institut Cochin, F-75014 Paris, France.,CAR-T Cells Department, Invectys, Paris, France
| | - Beatrice Greco
- Innovative Immunotherapies Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Richard Groen
- Amsterdam University Medical Centers at Vrije Universiteit, Cancer Center Amsterdam, Amsterdam, The Netherlands
| | - Johannes B Huppa
- Medical University of Vienna, Center for Pathophysiology, Infectiology and Immunology, Institute for Hygiene and Applied Immunolgy, Vienna, Austria
| | | | - Bruno Laugel
- Institut de Recherches internationales Servier (IRIS), Suresnes, France
| | | | - Janet L Markman
- Takeda Development Centers Americas, Inc. Lexington, Massachusetts, USA
| | - Emma Morris
- Institute of Immunity & Transplantation, University College London Medical School - Royal Free Campus, London, UK
| | - Concetta Quintarelli
- Department Onco-Haematology, and Cell and Gene Therapy, Bambino Gesù Children Hospital, IRCCS, Rome, Italy
| | - Michael Rade
- Fraunhofer Institute for Cell Therapy and Immunology IZI, Leipzig, Germany
| | - Kristin Reiche
- Fraunhofer Institute for Cell Therapy and Immunology IZI, Leipzig, Germany
| | | | | | - Eliana Ruggiero
- Experimental Hematology Unit, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - Maria Themeli
- Amsterdam University Medical Centers at Vrije Universiteit, Cancer Center Amsterdam, Amsterdam, The Netherlands
| | - Michael Hudecek
- 19 Lehrstuhl für Zelluläre Immuntherapie, Medizinische Klinik und Poliklinik II, Universitätsklinikum Würzburg, Wurzburg, Germany
| | - Ibtissam Marchiq
- Institut de Recherches internationales Servier (IRIS), Suresnes, France
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30
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Aubin AM, Lombard-Vadnais F, Collin R, Aliesky HA, McLachlan SM, Lesage S. The NOD Mouse Beyond Autoimmune Diabetes. Front Immunol 2022; 13:874769. [PMID: 35572553 PMCID: PMC9102607 DOI: 10.3389/fimmu.2022.874769] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 03/21/2022] [Indexed: 12/19/2022] Open
Abstract
Autoimmune diabetes arises spontaneously in Non-Obese Diabetic (NOD) mice, and the pathophysiology of this disease shares many similarities with human type 1 diabetes. Since its generation in 1980, the NOD mouse, derived from the Cataract Shinogi strain, has represented the gold standard of spontaneous disease models, allowing to investigate autoimmune diabetes disease progression and susceptibility traits, as well as to test a wide array of potential treatments and therapies. Beyond autoimmune diabetes, NOD mice also exhibit polyautoimmunity, presenting with a low incidence of autoimmune thyroiditis and Sjögren's syndrome. Genetic manipulation of the NOD strain has led to the generation of new mouse models facilitating the study of these and other autoimmune pathologies. For instance, following deletion of specific genes or via insertion of resistance alleles at genetic loci, NOD mice can become fully resistant to autoimmune diabetes; yet the newly generated diabetes-resistant NOD strains often show a high incidence of other autoimmune diseases. This suggests that the NOD genetic background is highly autoimmune-prone and that genetic manipulations can shift the autoimmune response from the pancreas to other organs. Overall, multiple NOD variant strains have become invaluable tools for understanding the pathophysiology of and for dissecting the genetic susceptibility of organ-specific autoimmune diseases. An interesting commonality to all autoimmune diseases developing in variant strains of the NOD mice is the presence of autoantibodies. This review will present the NOD mouse as a model for studying autoimmune diseases beyond autoimmune diabetes.
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Affiliation(s)
- Anne-Marie Aubin
- Immunology-Oncology Division, Maisonneuve-Rosemont Hospital Research Center, Montreal, QC, Canada
- Département de Microbiologie, Infectiologie et Immunologie, Université de Montréal, Montréal, QC, Canada
| | - Félix Lombard-Vadnais
- Immunology-Oncology Division, Maisonneuve-Rosemont Hospital Research Center, Montreal, QC, Canada
- Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
| | - Roxanne Collin
- Immunology-Oncology Division, Maisonneuve-Rosemont Hospital Research Center, Montreal, QC, Canada
- Département de Microbiologie, Infectiologie et Immunologie, Université de Montréal, Montréal, QC, Canada
- CellCarta, Montreal, QC, Canada
| | - Holly A. Aliesky
- Thyroid Autoimmune Disease Unit, Cedars-Sinai Research Institute, Los Angeles, CA, United States
- Department of Medicine, David Geffen School of Medicine at University of California Los Angeles (UCLA), Los Angeles, CA, United States
| | - Sandra M. McLachlan
- Thyroid Autoimmune Disease Unit, Cedars-Sinai Research Institute, Los Angeles, CA, United States
- Department of Medicine, David Geffen School of Medicine at University of California Los Angeles (UCLA), Los Angeles, CA, United States
| | - Sylvie Lesage
- Immunology-Oncology Division, Maisonneuve-Rosemont Hospital Research Center, Montreal, QC, Canada
- Département de Microbiologie, Infectiologie et Immunologie, Université de Montréal, Montréal, QC, Canada
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31
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Abstract
As medical and pharmacological technology advances, new and complex modalities of disease treatment that are more personalized and targeted are being developed. Often these modalities must be validated in the presence of critical components of the human biological system. Given the incongruencies between murine and human biology, as well as the human-tropism of certain drugs and pathogens, the selection of animal models that accurately recapitulate the intricacies of the human biological system becomes more salient for disease modeling and preclinical testing. Immunodeficient mice engrafted with functional human tissues (so-called humanized mice), which allow for the study of physiologically relevant disease mechanisms, have thus become an integral aspect of biomedical research. This review discusses the recent advancements and applications of humanized mouse models on human immune system and liver humanization in modeling human diseases, as well as how they can facilitate translational medicine.
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Affiliation(s)
- Weijian Ye
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research, Singapore
| | - Qingfeng Chen
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research, Singapore
- Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; ,
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32
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Chen J, Liao S, Zhou H, Yang L, Guo F, Chen S, Li A, Pan Q, Yang C, Liu HF, Pan Q. Humanized Mouse Models of Systemic Lupus Erythematosus: Opportunities and Challenges. Front Immunol 2022; 12:816956. [PMID: 35116040 PMCID: PMC8804209 DOI: 10.3389/fimmu.2021.816956] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 12/30/2021] [Indexed: 12/11/2022] Open
Abstract
Animal models have played a crucial role in the understanding of the mechanisms and treatments of human diseases; however, owing to the large differences in genetic background and disease-specific characteristics, animal models cannot fully simulate the occurrence and progression of human diseases. Recently, humanized immune system mice, based on immunodeficient mice, have been developed that allow for the partial reconstruction of the human immune system and mimic the human in vivo microenvironment. Systemic lupus erythematosus (SLE) is a complex disease characterized by the loss of tolerance to autoantigens, overproduction of autoantibodies, and inflammation in multiple organ systems. The detailed immunological events that trigger the onset of clinical manifestations in patients with SLE are still not well known. Two methods have been adopted for the development of humanized SLE mice. They include transferring peripheral blood mononuclear cells from patients with SLE to immunodeficient mice or transferring human hematopoietic stem cells to immunodeficient mice followed by intraperitoneal injection with pristane to induce lupus. However, there are still several challenges to be overcome, such as how to improve the efficiency of reconstruction of the human B cell immune response, how to extend the lifespan and improve the survival rate of mice to extend the observation period, and how to improve the development of standardized commercialized models and use them. In summary, there are opportunities and challenges for the development of humanized mouse models of SLE, which will provide novel strategies for understanding the mechanisms and treatments of SLE.
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Affiliation(s)
- Jiaxuan Chen
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Shuzhen Liao
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Huimin Zhou
- Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, China
| | - Lawei Yang
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Fengbiao Guo
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Shuxian Chen
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Aifen Li
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Quanren Pan
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Chen Yang
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Hua-feng Liu
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
- *Correspondence: Hua-feng Liu, ; Qingjun Pan,
| | - Qingjun Pan
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
- *Correspondence: Hua-feng Liu, ; Qingjun Pan,
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Cogels MM, Rouas R, Ghanem GE, Martinive P, Awada A, Van Gestel D, Krayem M. Humanized Mice as a Valuable Pre-Clinical Model for Cancer Immunotherapy Research. Front Oncol 2021; 11:784947. [PMID: 34869042 PMCID: PMC8636317 DOI: 10.3389/fonc.2021.784947] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 10/29/2021] [Indexed: 01/31/2023] Open
Abstract
Immunotherapy with checkpoint inhibitors opened new horizons in cancer treatment. Clinical trials for novel immunotherapies or unexplored combination regimens either need years of development or are simply impossible to perform like is the case in cancer patients with limited life expectancy. Thus, the need for preclinical models that rapidly and safely allow for a better understanding of underlying mechanisms, drug kinetics and toxicity leading to the selection of the best regimen to be translated into the clinic, is of high importance. Humanized mice that can bear both human immune system and human tumors, are increasingly used in recent preclinical immunotherapy studies and represent a remarkably unprecedented tool in this field. In this review, we describe, summarize, and discuss the recent advances of humanized mouse models used for cancer immunotherapy research and the challenges faced during their establishment. We also highlight the lack of preclinical studies using this model for radiotherapy-based research and argue that it can be a great asset to understand and answer many open questions around radiation therapy such as its presumed associated "abscopal effect".
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Affiliation(s)
- Morgane M. Cogels
- Department of Radiation Oncology, Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
- Laboratory of Clinical and Experimental Oncology (LOCE), Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
| | - Redouane Rouas
- Laboratory of Cellular Therapy (UTCH), Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
| | - Ghanem E. Ghanem
- Laboratory of Clinical and Experimental Oncology (LOCE), Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
| | - Philippe Martinive
- Department of Radiation Oncology, Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
| | - Ahmad Awada
- Laboratory of Clinical and Experimental Oncology (LOCE), Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
- Department of Medical Oncology, Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
| | - Dirk Van Gestel
- Department of Radiation Oncology, Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
| | - Mohammad Krayem
- Department of Radiation Oncology, Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
- Laboratory of Clinical and Experimental Oncology (LOCE), Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
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34
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Abstract
Extensive research conducted on mouse-human chimeras has advanced our understanding on infectious diseases including the human-malaria parasite, Plasmodium falciparum. In vitro culture of asexual-blood stage infection of P. falciparum does not answer all questions related to parasitology, pharmacology and immunology, and complex life cycle, complicated genome, evolution of drug resistance and poor diagnosis makes it difficult to understand the patho-biology of parasite. Unavailability of effective-vaccine and issues of drug resistance advocates the use of human cell/tissues reconstituted immunodeficient-mice to P. falciparum. A number of immunodeficient-strains (TK/NOG, FRG/NOD, NOD/SCID/IL-2 receptor γ chain null, NOD severe combined immunodeficiency gamma [NSG] mouse and NOD.Rag1-/- IL2Rγ-/- [NRG; DRAG]) are used for humanization purposes. Additionally, human-hematopoietic stem cells (CD34 reconstituted-NSG [human immune system]) mice support the engraftment and repopulation of immune effecters to study systemic inflammatory diseases.
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Affiliation(s)
- Rajeev K Tyagi
- Division of Cell Biology & Immunology, Biomedical Parasitology & Nano-immunology Lab, CSIR-Institute of Microbial Technology (IMTECH), Sec-39A, Chandigarh, 160036, India
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35
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Teijeira Crespo A, Burnell S, Capitani L, Bayliss R, Moses E, Mason GH, Davies JA, Godkin AJ, Gallimore AM, Parker AL. Pouring petrol on the flames: Using oncolytic virotherapies to enhance tumour immunogenicity. Immunology 2021; 163:389-398. [PMID: 33638871 PMCID: PMC8274202 DOI: 10.1111/imm.13323] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 02/12/2021] [Indexed: 12/12/2022] Open
Abstract
Oncolytic viruses possess the ability to infect, replicate and lyse malignantly transformed tumour cells. This oncolytic activity amplifies the therapeutic advantage and induces a form of immunogenic cell death, characterized by increased CD8 + T-cell infiltration into the tumour microenvironment. This important feature of oncolytic viruses can result in the warming up of immunologically 'cold' tumour types, presenting the enticing possibility that oncolytic virus treatment combined with immunotherapies may enhance efficacy. In this review, we assess some of the most promising candidates that might be used for oncolytic virotherapy: immunotherapy combinations. We assess their potential as separate agents or as agents combined into a single therapy, where the immunotherapy is encoded within the genome of the oncolytic virus. The development of such advanced agents will require increasingly sophisticated model systems for their preclinical assessment and evaluation. In vivo rodent model systems are fraught with limitations in this regard. Oncolytic viruses replicate selectively within human cells and therefore require human xenografts in immune-deficient mice for their evaluation. However, the use of immune-deficient rodent models hinders the ability to study immune responses against any immunomodulatory transgenes engineered within the viral genome and expressed within the tumour microenvironment. There has therefore been a shift towards the use of more sophisticated ex vivo patient-derived model systems based on organoids and explant co-cultures with immune cells, which may be more predictive of efficacy than contrived and artificial animal models. We review the best of those model systems here.
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Affiliation(s)
- Alicia Teijeira Crespo
- Division of Cancer and
GeneticsCardiff University School of Medicine
Cardiff UniversityCardiffUK
| | - Stephanie Burnell
- Division of Infection and Immunity
Cardiff University School of MedicineCardiff UniversityCardiffUK
| | - Lorenzo Capitani
- Division of Infection and Immunity
Cardiff University School of MedicineCardiff UniversityCardiffUK
| | - Rebecca Bayliss
- Division of Cancer and
GeneticsCardiff University School of Medicine
Cardiff UniversityCardiffUK
| | - Elise Moses
- Division of Cancer and
GeneticsCardiff University School of Medicine
Cardiff UniversityCardiffUK
| | - Georgina H. Mason
- Division of Infection and Immunity
Cardiff University School of MedicineCardiff UniversityCardiffUK
| | - James A. Davies
- Division of Cancer and
GeneticsCardiff University School of Medicine
Cardiff UniversityCardiffUK
| | - Andrew J. Godkin
- Division of Infection and Immunity
Cardiff University School of MedicineCardiff UniversityCardiffUK
| | - Awen M. Gallimore
- Division of Infection and Immunity
Cardiff University School of MedicineCardiff UniversityCardiffUK
| | - Alan L. Parker
- Division of Cancer and
GeneticsCardiff University School of Medicine
Cardiff UniversityCardiffUK
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36
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Jin KT, Du WL, Lan HR, Liu YY, Mao CS, Du JL, Mou XZ. Development of humanized mouse with patient-derived xenografts for cancer immunotherapy studies: A comprehensive review. Cancer Sci 2021; 112:2592-2606. [PMID: 33938090 PMCID: PMC8253285 DOI: 10.1111/cas.14934] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 04/22/2021] [Accepted: 04/24/2021] [Indexed: 02/06/2023] Open
Abstract
Immunotherapy has revolutionized cancer treatment, however, not all tumor types and patients are completely responsive to this approach. Establishing predictive pre-clinical models would allow for more accurate and practical immunotherapeutic drug development. Mouse models are extensively used as in vivo system for biomedical research. However, due to the significant differences between rodents and human, it is impossible to translate most of the findings from mouse models to human. Pharmacological development and advancing personalized medicine using patient-derived xenografts relies on producing mouse models in which murine cells and genes are substituted with their human equivalent. Humanized mice (HM) provide a suitable platform to evaluate xenograft growth in the context of a human immune system. In this review, we discussed recent advances in the generation and application of HM models. We also reviewed new insights into the basic mechanisms, pre-clinical evaluation of onco-immunotherapies, current limitations in the application of these models as well as available improvement strategies. Finally, we pointed out some issues for future studies.
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Affiliation(s)
- Ke-Tao Jin
- Department of Colorectal Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Wen-Lin Du
- Key Laboratory of Gastroenterology of Zhejiang Province, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China.,Clinical Research Institute, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China
| | - Huan-Rong Lan
- Department of Breast and Thyroid Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Yu-Yao Liu
- Department of Colorectal Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Chun-Sen Mao
- Department of Colorectal Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Jin-Lin Du
- Department of Colorectal Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Xiao-Zhou Mou
- Clinical Research Institute, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China
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37
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Garcia-Beltran WF, Claiborne DT, Maldini CR, Phelps M, Vrbanac V, Karpel ME, Krupp KL, Power KA, Boutwell CL, Balazs AB, Tager AM, Altfeld M, Allen TM. Innate Immune Reconstitution in Humanized Bone Marrow-Liver-Thymus (HuBLT) Mice Governs Adaptive Cellular Immune Function and Responses to HIV-1 Infection. Front Immunol 2021; 12:667393. [PMID: 34122425 PMCID: PMC8189152 DOI: 10.3389/fimmu.2021.667393] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 04/28/2021] [Indexed: 01/11/2023] Open
Abstract
Humanized bone marrow-liver-thymus (HuBLT) mice are a revolutionary small-animal model that has facilitated the study of human immune function and human-restricted pathogens, including human immunodeficiency virus type 1 (HIV-1). These mice recapitulate many aspects of acute and chronic HIV-1 infection, but exhibit weak and variable T-cell responses when challenged with HIV-1, hindering our ability to confidently detect HIV-1-specific responses or vaccine effects. To identify the cause of this, we comprehensively analyzed T-cell development, diversity, and function in HuBLT mice. We found that virtually all HuBLT were well-reconstituted with T cells and had intact TCRβ sequence diversity, thymic development, and differentiation to memory and effector cells. However, there was poor CD4+ and CD8+ T-cell responsiveness to physiologic stimuli and decreased TH1 polarization that correlated with deficient reconstitution of innate immune cells, in particular monocytes. HIV-1 infection of HuBLT mice showed that mice with higher monocyte reconstitution exhibited greater CD8+ T cells responses and HIV-1 viral evolution within predicted HLA-restricted epitopes. Thus, T-cell responses to immune challenges are blunted in HuBLT mice due to a deficiency of innate immune cells, and future efforts to improve the model for HIV-1 immune response and vaccine studies need to be aimed at restoring innate immune reconstitution.
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Affiliation(s)
| | - Daniel T. Claiborne
- Ragon Institute of MGH, MIT and Harvard, Massachusetts General Hospital, Cambridge, MA, United States
| | - Colby R. Maldini
- Ragon Institute of MGH, MIT and Harvard, Massachusetts General Hospital, Cambridge, MA, United States
| | - Meredith Phelps
- Ragon Institute of MGH, MIT and Harvard, Massachusetts General Hospital, Cambridge, MA, United States
| | - Vladimir Vrbanac
- Human Immune System Mouse Program, Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, United States
| | - Marshall E. Karpel
- Ragon Institute of MGH, MIT and Harvard, Massachusetts General Hospital, Cambridge, MA, United States
- Division of Medical Sciences, Harvard University, Boston, MA, United States
| | - Katharine L. Krupp
- Ragon Institute of MGH, MIT and Harvard, Massachusetts General Hospital, Cambridge, MA, United States
| | - Karen A. Power
- Ragon Institute of MGH, MIT and Harvard, Massachusetts General Hospital, Cambridge, MA, United States
| | - Christian L. Boutwell
- Ragon Institute of MGH, MIT and Harvard, Massachusetts General Hospital, Cambridge, MA, United States
| | - Alejandro B. Balazs
- Ragon Institute of MGH, MIT and Harvard, Massachusetts General Hospital, Cambridge, MA, United States
| | - Andrew M. Tager
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Boston, MA, United States
| | - Marcus Altfeld
- Leibniz Institute for Experimental Virology, Hamburg, Germany
| | - Todd M. Allen
- Ragon Institute of MGH, MIT and Harvard, Massachusetts General Hospital, Cambridge, MA, United States
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38
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Cheng L, Li G, Pellegry CM, Yasui F, Li F, Zurawski SM, Zurawski G, Levy Y, Ting JPY, Su L. TLR9- and CD40-Targeting Vaccination Promotes Human B Cell Maturation and IgG Induction via pDC-Dependent Mechanisms in Humanized Mice. Front Immunol 2021; 12:672143. [PMID: 34093572 PMCID: PMC8169971 DOI: 10.3389/fimmu.2021.672143] [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: 02/25/2021] [Accepted: 04/27/2021] [Indexed: 12/15/2022] Open
Abstract
Mice reconstituted with a human immune system (humanized mice) provide a robust model to study human immunology, vaccinology, and human infectious diseases. However, the development and function of B cells in humanized mice is impaired. B cells from humanized mice are immature and are impaired in IgM to IgG isotype switch in response to infection or vaccination. In the present study we report that Toll-like receptor 9 (TLR9) agonist CpG-B combined with CD40-targeting vaccination triggered human B cell immunoglobin class-switch from IgM+ to IgG+ B cells in humanized mice. Human B cells from mice vaccinated with CpG-B as adjuvant were more mature in phenotype and produced significant levels of both total IgG and antigen-specific IgG. We found that CpG-B treatment activated human pDCs (plasmacytoid dendritic cells) in vivo to induce interferon-alpha (IFN-α)expression in humanized mice. Pre-depletion of human pDC in vivo abrogated the adjuvant effect of CpG-B. Our results indicate that TLR9 and CD40-targeting vaccination triggers human B cell maturation and immunoglobulin class-switch in a pDC-dependent manner in humanized mice. The findings also shed light on induction of human IgG antibodies in humanized mouse models.
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Affiliation(s)
- Liang Cheng
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, China
| | - Guangming Li
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Division of Virology, Pathogenesis and Cancer, Institute of Human Virology, Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Caroline Marnata Pellegry
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Fumihiko Yasui
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Department of Microbiology and Cell Biology, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Feng Li
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Sandra M Zurawski
- Baylor Institute for Immunology Research, Vaccine Research Institute, INSERM U955, Dallas, TX, United States
| | - Gerard Zurawski
- Baylor Institute for Immunology Research, Vaccine Research Institute, INSERM U955, Dallas, TX, United States
| | - Yves Levy
- Assistance Publique-Hôpitaux de Paris, Groupe Henri-Mondor Albert-Chenevier, Service Immunologie Clinique, Créteil, France.,Vaccine Research Institute, Université Paris-Est Créteil, Faculté de Médecine, INSERM U955, Créteil, France
| | - Jenny P-Y Ting
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Department of Microbiology-Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Lishan Su
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Division of Virology, Pathogenesis and Cancer, Institute of Human Virology, Department of Pharmacology, University of Maryland School of Medicine, Baltimore, MD, United States
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39
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Liu Y, Maya S, Ploss A. Animal Models of Hepatitis B Virus Infection-Success, Challenges, and Future Directions. Viruses 2021; 13:v13050777. [PMID: 33924793 PMCID: PMC8146732 DOI: 10.3390/v13050777] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/23/2021] [Accepted: 04/24/2021] [Indexed: 12/15/2022] Open
Abstract
Chronic hepatitis B virus (HBV) infection affects more than 250 million people worldwide, which greatly increases the risk for terminal liver diseases, such as liver cirrhosis and hepatocellular carcinoma (HCC). Even though current approved antiviral therapies, including pegylated type I interferon (IFN) and nucleos(t)ide analogs, can effectively suppress viremia, HBV infection is rarely cured. Since HBV exhibits a narrow species tropism and robustly infects only humans and higher primates, progress in HBV research and preclinical testing of antiviral drugs has been hampered by the scarcity of suitable animal models. Fortunately, a series of surrogate animal models have been developed for the study of HBV. An increased understanding of the barriers towards interspecies transmission has aided in the development of human chimeric mice and has greatly paved the way for HBV research in vivo, and for evaluating potential therapies of chronic hepatitis B. In this review, we summarize the currently available animal models for research of HBV and HBV-related hepadnaviruses, and we discuss challenges and future directions for improvement.
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40
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Terahara K, Iwabuchi R, Tsunetsugu-Yokota Y. Perspectives on Non-BLT Humanized Mouse Models for Studying HIV Pathogenesis and Therapy. Viruses 2021; 13:v13050776. [PMID: 33924786 PMCID: PMC8145733 DOI: 10.3390/v13050776] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/23/2021] [Accepted: 04/26/2021] [Indexed: 02/07/2023] Open
Abstract
A variety of humanized mice, which are reconstituted only with human hematopoietic stem cells (HSC) or with fetal thymus and HSCs, have been developed and widely utilized as in vivo animal models of HIV-1 infection. The models represent some aspects of HIV-mediated pathogenesis in humans and are useful for the evaluation of therapeutic regimens. However, there are several limitations in these models, including their incomplete immune responses and poor distribution of human cells to the secondary lymphoid tissues. These limitations are common in many humanized mouse models and are critical issues that need to be addressed. As distinct defects exist in each model, we need to be cautious about the experimental design and interpretation of the outcomes obtained using humanized mice. Considering this point, we mainly characterize the current conventional humanized mouse reconstituted only with HSCs and describe past achievements in this area, as well as the potential contributions of the humanized mouse models for the study of HIV pathogenesis and therapy. We also discuss the use of various technologies to solve the current problems. Humanized mice will contribute not only to the pre-clinical evaluation of anti-HIV regimens, but also to a deeper understanding of basic aspects of HIV biology.
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Affiliation(s)
- Kazutaka Terahara
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan; (K.T.); (R.I.)
| | - Ryutaro Iwabuchi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan; (K.T.); (R.I.)
- Department of Life Science and Medical Bioscience, Waseda University, Tokyo 162-8480, Japan
| | - Yasuko Tsunetsugu-Yokota
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan; (K.T.); (R.I.)
- Department of Medical Technology, School of Human Sciences, Tokyo University of Technology, Tokyo 144-8535, Japan
- Correspondence: or ; Tel.: +81-3-6424-2223
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41
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Hendricks CM, Cordeiro T, Gomes AP, Stevenson M. The Interplay of HIV-1 and Macrophages in Viral Persistence. Front Microbiol 2021; 12:646447. [PMID: 33897659 PMCID: PMC8058371 DOI: 10.3389/fmicb.2021.646447] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Accepted: 03/11/2021] [Indexed: 12/18/2022] Open
Abstract
HIV-1 has evolved mechanisms to evade host cell immune responses and persist for lifelong infection. Latent cellular reservoirs are responsible for this persistence of HIV-1 despite the powerful effects of highly active antiretroviral therapies (HAART) to control circulating viral load. While cellular reservoirs have been extensively studied, much of these studies have focused on peripheral blood and resting memory CD4+ T cells containing latent HIV-1 provirus; however, efforts to eradicate cellular reservoirs have been stunted by reservoirs found in tissues compartments that are not easily accessible. These tissues contain resting memory CD4+ T cells and tissue resident macrophages, another latent cellular reservoir to HIV-1. Tissue resident macrophages have been associated with HIV-1 infection since the 1980s, and evidence has continued to grow regarding their role in HIV-1 persistence. Specific biological characteristics play a vital role as to why macrophages are latent cellular reservoirs for HIV-1, and in vitro and in vivo studies exhibit how macrophages contribute to viral persistence in individuals and animals on antiretroviral therapies. In this review, we characterize the role and evolutionary advantages of macrophage reservoirs to HIV-1 and their contribution to HIV-1 persistence. In acknowledging the interplay of HIV-1 and macrophages in the host, we identify reasons why current strategies are incapable of eliminating HIV-1 reservoirs and why efforts must focus on eradicating reservoirs to find a future functional cure.
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Affiliation(s)
- Chynna M Hendricks
- Department of Microbiology & Immunology, Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Thaissa Cordeiro
- Department of Medicine, Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Ana Paula Gomes
- Department of Medicine, Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Mario Stevenson
- Department of Medicine, Miller School of Medicine, University of Miami, Miami, FL, United States
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42
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Flahou C, Morishima T, Takizawa H, Sugimoto N. Fit-For-All iPSC-Derived Cell Therapies and Their Evaluation in Humanized Mice With NK Cell Immunity. Front Immunol 2021; 12:662360. [PMID: 33897711 PMCID: PMC8059435 DOI: 10.3389/fimmu.2021.662360] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 03/17/2021] [Indexed: 12/15/2022] Open
Abstract
Human induced pluripotent stem cells (iPSCs) can be limitlessly expanded and differentiated into almost all cell types. Moreover, they are amenable to gene manipulation and, because they are established from somatic cells, can be established from essentially any person. Based on these characteristics, iPSCs have been extensively studied as cell sources for tissue grafts, blood transfusions and cancer immunotherapies, and related clinical trials have started. From an immune-matching perspective, autologous iPSCs are perfectly compatible in principle, but also require a prolonged time for reaching the final products, have high cost, and person-to-person variation hindering their common use. Therefore, certified iPSCs with reduced immunogenicity are expected to become off-the-shelf sources, such as those made from human leukocyte antigen (HLA)-homozygous individuals or genetically modified for HLA depletion. Preclinical tests using immunodeficient mice reconstituted with a human immune system (HIS) serve as an important tool to assess the human alloresponse against iPSC-derived cells. Especially, HIS mice reconstituted with not only human T cells but also human natural killer (NK) cells are considered crucial. NK cells attack so-called “missing self” cells that do not express self HLA class I, which include HLA-homozygous cells that express only one allele type and HLA-depleted cells. However, conventional HIS mice lack enough reconstituted human NK cells for these tests. Several measures have been developed to overcome this issue including the administration of cytokines that enhance NK cell expansion, such as IL-2 and IL-15, the administration of vectors that express those cytokines, and genetic manipulation to express the cytokines or to enhance the reconstitution of human myeloid cells that express IL15R-alpha. Using such HIS mice with enhanced human NK cell reconstitution, alloresponses against HLA-homozygous and HLA-depleted cells have been studied. However, most studies used HLA-downregulated tumor cells as the target cells and tested in vitro after purifying human cells from HIS mice. In this review, we give an overview of the current state of iPSCs in cell therapies, strategies to lessen their immunogenic potential, and then expound on the development of HIS mice with reconstituted NK cells, followed by their utilization in evaluating future universal HLA-engineered iPSC-derived cells.
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Affiliation(s)
- Charlotte Flahou
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Tatsuya Morishima
- Laboratory of Stem Cell Stress, International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan.,Laboratory of Hematopoietic Stem Cell Engineering, International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan
| | - Hitoshi Takizawa
- Laboratory of Stem Cell Stress, International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan
| | - Naoshi Sugimoto
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
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43
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Guil-Luna S, Sedlik C, Piaggio E. Humanized Mouse Models to Evaluate Cancer Immunotherapeutics. ANNUAL REVIEW OF CANCER BIOLOGY-SERIES 2021. [DOI: 10.1146/annurev-cancerbio-050520-100526] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Immunotherapy is at the forefront of cancer treatment. The advent of numerous novel approaches to cancer immunotherapy, including immune checkpoint antibodies, adoptive transfer of CAR (chimeric antigen receptor) T cells and TCR (T cell receptor) T cells, NK (natural killer) cells, T cell engagers, oncolytic viruses, and vaccines, is revolutionizing the treatment for different tumor types. Some are already in the clinic, and many others are underway. However, not all patients respond, resistance develops, and as available therapies multiply there is a need to further understand how they work, how to prioritize their clinical evaluation, and how to combine them. For this, animal models have been highly instrumental, and humanized mice models (i.e., immunodeficient mice engrafted with human immune and cancer cells) represent a step forward, although they have several limitations. Here, we review the different humanized models available today, the approaches to overcome their flaws, their use for the evaluation of cancer immunotherapies, and their anticipated evolution as tools to help personalized clinical decision-making.
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Affiliation(s)
- Silvia Guil-Luna
- Maimónides Institute for Biomedical Research of Córdoba (IMIBIC), 14004 Córdoba, Spain
| | - Christine Sedlik
- Translational Research Department, Institut Curie Research Center, INSERM U932, PSL Research University, 75248 Paris, France;,
| | - Eliane Piaggio
- Translational Research Department, Institut Curie Research Center, INSERM U932, PSL Research University, 75248 Paris, France;,
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Martinov T, McKenna KM, Tan WH, Collins EJ, Kehret AR, Linton JD, Olsen TM, Shobaki N, Rongvaux A. Building the Next Generation of Humanized Hemato-Lymphoid System Mice. Front Immunol 2021; 12:643852. [PMID: 33692812 PMCID: PMC7938325 DOI: 10.3389/fimmu.2021.643852] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 01/27/2021] [Indexed: 12/23/2022] Open
Abstract
Since the late 1980s, mice have been repopulated with human hematopoietic cells to study the fundamental biology of human hematopoiesis and immunity, as well as a broad range of human diseases in vivo. Multiple mouse recipient strains have been developed and protocols optimized to efficiently generate these “humanized” mice. Here, we review three guiding principles that have been applied to the development of the currently available models: (1) establishing tolerance of the mouse host for the human graft; (2) opening hematopoietic niches so that they can be occupied by human cells; and (3) providing necessary support for human hematopoiesis. We then discuss four remaining challenges: (1) human hematopoietic lineages that poorly develop in mice; (2) limited antigen-specific adaptive immunity; (3) absent tolerance of the human immune system for its mouse host; and (4) sub-functional interactions between human immune effectors and target mouse tissues. While major advances are still needed, the current models can already be used to answer specific, clinically-relevant questions and hopefully inform the development of new, life-saving therapies.
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Affiliation(s)
- Tijana Martinov
- Clinical Research Division, Program in Immunology, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Kelly M McKenna
- Clinical Research Division, Program in Immunology, Fred Hutchinson Cancer Research Center, Seattle, WA, United States.,Graduate Program in Molecular and Cellular Biology, University of Washington, Seattle, WA, United States.,Medical Scientist Training Program, University of Washington, Seattle, WA, United States
| | - Wei Hong Tan
- Clinical Research Division, Program in Immunology, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Emily J Collins
- Clinical Research Division, Program in Immunology, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Allie R Kehret
- Clinical Research Division, Program in Immunology, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Jonathan D Linton
- Clinical Research Division, Program in Immunology, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Tayla M Olsen
- Clinical Research Division, Program in Immunology, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Nour Shobaki
- Clinical Research Division, Program in Immunology, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Anthony Rongvaux
- Clinical Research Division, Program in Immunology, Fred Hutchinson Cancer Research Center, Seattle, WA, United States.,Department of Immunology, University of Washington, Seattle, WA, United States
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45
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Mian SA, Anjos-Afonso F, Bonnet D. Advances in Human Immune System Mouse Models for Studying Human Hematopoiesis and Cancer Immunotherapy. Front Immunol 2021; 11:619236. [PMID: 33603749 PMCID: PMC7884350 DOI: 10.3389/fimmu.2020.619236] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 12/18/2020] [Indexed: 12/20/2022] Open
Abstract
Immunotherapy has established itself as a promising tool for cancer treatment. There are many challenges that remain including lack of targets and some patients across various cancers who have not shown robust clinical response. One of the major problems that have hindered the progress in the field is the dearth of appropriate mouse models that can reliably recapitulate the complexity of human immune-microenvironment as well as the malignancy itself. Immunodeficient mice reconstituted with human immune cells offer a unique opportunity to comprehensively evaluate immunotherapeutic strategies. These immunosuppressed and genetically modified mice, with some overexpressing human growth factors, have improved human hematopoietic engraftment as well as created more functional immune cell development in primary and secondary lymphoid tissues in these mice. In addition, several new approaches to modify or to add human niche elements to further humanize these immunodeficient mice have allowed a more precise characterization of human hematopoiesis. These important refinements have opened the possibility to evaluate not only human immune responses to different tumor cells but also to investigate how malignant cells interact with their niche and most importantly to test immunotherapies in a more preclinically relevant setting, which can ultimately lead to better success of these drugs in clinical trials.
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Affiliation(s)
- Syed A Mian
- Haematopoietic Stem Cell Lab, The Francis Crick Institute, London, United Kingdom.,Department of Haematology, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
| | - Fernando Anjos-Afonso
- Haematopoietic Signalling Group, European Cancer Stem Cell Institute, School of Biosciences, Cardiff University, Cardiff, United Kingdom
| | - Dominique Bonnet
- Haematopoietic Stem Cell Lab, The Francis Crick Institute, London, United Kingdom
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Le Louedec F, Leenhardt F, Marin C, Chatelut É, Evrard A, Ciccolini J. Cancer Immunotherapy Dosing: A Pharmacokinetic/Pharmacodynamic Perspective. Vaccines (Basel) 2020; 8:E632. [PMID: 33142728 PMCID: PMC7712135 DOI: 10.3390/vaccines8040632] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 10/12/2020] [Accepted: 10/15/2020] [Indexed: 12/11/2022] Open
Abstract
Immune check-point inhibitors are drugs that are markedly different from other anticancer drugs because of their indirect mechanisms of antitumoral action and their apparently random effect in terms of efficacy and toxicity. This marked pharmacodynamics variability in patients calls for reconsidering to what extent approved dosing used in clinical practice are optimal or whether they should require efforts for customization in outlier patients. To better understand whether or not dosing could be an actionable item in oncology, in this review, preclinical and clinical development of immune checkpoint inhibitors are described, particularly from the angle of dose finding studies. Other issues in connection with dosing issues are developed, such as the flat dosing alternative, the putative role therapeutic drug monitoring could play, the rise of combinatorial strategies, and pharmaco-economic aspects.
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Affiliation(s)
- Félicien Le Louedec
- Institut Claudius-Regaud, Institut Universitaire du Cancer de Toulouse (IUCT)-Oncopole, and Cancer Research Center of Toulouse (CRCT), Inserm U1037, University of Toulouse, 31100 Toulouse, France;
| | - Fanny Leenhardt
- Institut de Cancérologie de Montpellier (ICM) and Institut de Recherche en Cancérologie de Montpellier (IRCM), Inserm U1194, University of Montpellier, 34090 Montpellier, France;
| | - Clémence Marin
- Assistance Publique—Hôpitaux de Marseille (AP-HM) and Simulation Modeling Adaptive Response for Therapeutics in cancer (SMARTc), Centre de Recherche en Cancérologie de Marseille (CRCM), Inserm U1068, Aix Marseille University, 13009 Marseille, France; (C.M.); (J.C.)
| | - Étienne Chatelut
- Institut Claudius-Regaud, Institut Universitaire du Cancer de Toulouse (IUCT)-Oncopole, and Cancer Research Center of Toulouse (CRCT), Inserm U1037, University of Toulouse, 31100 Toulouse, France;
| | - Alexandre Evrard
- Centre Hospitalier Universitaire de Nîmes Carémeau, Nîmes, France and IRCM U1194, University of Montpellier, 34090 Montpellier, France;
| | - Joseph Ciccolini
- Assistance Publique—Hôpitaux de Marseille (AP-HM) and Simulation Modeling Adaptive Response for Therapeutics in cancer (SMARTc), Centre de Recherche en Cancérologie de Marseille (CRCM), Inserm U1068, Aix Marseille University, 13009 Marseille, France; (C.M.); (J.C.)
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Yong KSM, Her Z, Tan SY, Tan WWS, Liu M, Lai F, Heng SM, Fan Y, Chang KTE, Wang CI, Chan JKY, Chen J, Chen Q. Humanized Mouse as a Tool to Predict Immunotoxicity of Human Biologics. Front Immunol 2020; 11:553362. [PMID: 33193321 PMCID: PMC7604536 DOI: 10.3389/fimmu.2020.553362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 09/28/2020] [Indexed: 11/24/2022] Open
Abstract
Advancements in science enable researchers to constantly innovate and create novel biologics. However, the use of non-human animal models during the development of biologics impedes identification of precise in vivo interactions between the human immune system and treatments. Due to lack of this understanding, adverse effects are frequently observed in healthy volunteers and patients exposed to potential biologics during clinical trials. In this study, we evaluated and compared the effects of known immunotoxic biologics, Proleukin®/IL-2 and OKT3 in humanized mice (reconstituted with human fetal cells) to published clinical outcomes. We demonstrated that humanized mice were able to recapitulate in vivo pathological changes and human-specific immune responses, such as elevated cytokine levels and modulated lymphocytes and myeloid subsets. Given the high similarities of immunological side effects observed between humanized mice and clinical studies, this model could be used to assess immunotoxicity of biologics at a pre-clinical stage, without placing research participants and/or patients at risk.
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Affiliation(s)
- Kylie Su Mei Yong
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Zhisheng Her
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Sue Yee Tan
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Wilson Wei Sheng Tan
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Min Liu
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Fritz Lai
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Shi Min Heng
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Yong Fan
- Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Kenneth Tou En Chang
- Department of Pathology and Laboratory Medicine, KK Women's and Children's Hospital, Singapore, Singapore.,Department of Pathology, Duke-NUS Graduate Medical School, Singapore, Singapore
| | - Cheng-I Wang
- Singapore Immunology Network, Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Jerry Kok Yen Chan
- Department of Reproductive Medicine, KK Women's and Children's Hospital, Singapore, Singapore.,Experimental Fetal Medicine Group, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Jianzhu Chen
- Interdisciplinary Research Group in Infectious Diseases, Singapore-Massachusetts Institute of Technology Alliance for Research and Technology, Singapore, Singapore.,The Koch Institute for Integrative Cancer Research and Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, United States
| | - Qingfeng Chen
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (ASTAR), Singapore, Singapore.,Department of Pathology and Laboratory Medicine, KK Women's and Children's Hospital, Singapore, Singapore.,Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
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48
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Mosa MH, Michels BE, Menche C, Nicolas AM, Darvishi T, Greten FR, Farin HF. A Wnt-Induced Phenotypic Switch in Cancer-Associated Fibroblasts Inhibits EMT in Colorectal Cancer. Cancer Res 2020; 80:5569-5582. [PMID: 33055221 DOI: 10.1158/0008-5472.can-20-0263] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 08/19/2020] [Accepted: 10/09/2020] [Indexed: 11/16/2022]
Abstract
Tumor progression is recognized as a result of an evolving cross-talk between tumor cells and their surrounding nontransformed stroma. Although Wnt signaling has been intensively studied in colorectal cancer, it remains unclear whether activity in the tumor-associated stroma contributes to malignancy. To specifically interfere with stromal signals, we generated Wnt-independent tumor organoids that secrete the Wnt antagonist Sfrp1. Subcutaneous transplantation into immunocompetent as well as immunodeficient mice resulted in a strong reduction of tumor growth. Histologic and transcriptomic analyses revealed that Sfrp1 induced an epithelial-mesenchymal transition (EMT) phenotype in tumor cells without affecting tumor-intrinsic Wnt signaling, suggesting involvement of nonimmune stromal cells. Blockage of canonical signaling using Sfrp1, Dkk1, or fibroblast-specific genetic ablation of β-catenin strongly decreased the number of cancer-associated myofibroblasts (myCAF). Wnt activity in CAFs was linked with distinct subtypes, where low and high levels induced an inflammatory-like CAF (iCAF) subtype or contractile myCAFs, respectively. Coculture of tumor organoids with iCAFs resulted in significant upregulation of EMT markers, while myCAFs reverted this phenotype. In summary, we show that tumor growth and malignancy are differentially regulated via distinct fibroblast subtypes under the influence of juxtacrine Wnt signals. SIGNIFICANCE: This study provides evidence for Wnt-induced functional diversity of colorectal cancer-associated fibroblasts, representing a non-cell autonomous mechanism for colon cancer progression. GRAPHICAL ABSTRACT: http://cancerres.aacrjournals.org/content/canres/80/24/5569/F1.large.jpg.
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Affiliation(s)
- Mohammed H Mosa
- German Cancer Consortium (DKTK), Heidelberg, Germany.,Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany.,Frankfurt Cancer Institute, Goethe University, Frankfurt am Main, Germany
| | - Birgitta E Michels
- German Cancer Consortium (DKTK), Heidelberg, Germany.,Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany.,Frankfurt Cancer Institute, Goethe University, Frankfurt am Main, Germany
| | - Constantin Menche
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany.,Frankfurt Cancer Institute, Goethe University, Frankfurt am Main, Germany
| | - Adele M Nicolas
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany.,Frankfurt Cancer Institute, Goethe University, Frankfurt am Main, Germany
| | - Tahmineh Darvishi
- German Cancer Consortium (DKTK), Heidelberg, Germany.,Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany.,Frankfurt Cancer Institute, Goethe University, Frankfurt am Main, Germany
| | - Florian R Greten
- German Cancer Consortium (DKTK), Heidelberg, Germany.,Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany.,Frankfurt Cancer Institute, Goethe University, Frankfurt am Main, Germany
| | - Henner F Farin
- German Cancer Consortium (DKTK), Heidelberg, Germany. .,Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany.,Frankfurt Cancer Institute, Goethe University, Frankfurt am Main, Germany
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49
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Xie G, Ivica NA, Jia B, Li Y, Dong H, Liang Y, Brown D, Romee R, Chen J. CAR-T cells targeting a nucleophosmin neoepitope exhibit potent specific activity in mouse models of acute myeloid leukaemia. Nat Biomed Eng 2020; 5:399-413. [PMID: 33046866 PMCID: PMC8039062 DOI: 10.1038/s41551-020-00625-5] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 09/03/2020] [Indexed: 02/03/2023]
Abstract
Therapies employing chimeric antigen receptor T cells (CAR-T cells) targeting tumour-associated antigens (TAAs) can lead to on-target-off-tumour toxicity and to resistance, owing to TAA expression in normal tissues and to TAA expression loss in tumour cells. These drawbacks can be circumvented by CAR-T cells targeting tumour-specific driver gene mutations, such as the four-nucleotide duplication in the oncogene nucleophosmin (NPM1c), which creates a neoepitope presented by the human leukocyte antigen with the A2 serotype (HLA-A2) that has been observed in about 35% of patients with acute myeloid leukaemia (AML). Here, we report a human single-chain variable fragment (scFv), identified via yeast surface display, that specifically binds to the NPM1c epitope-HLA-A2 complex but not to HLA-A2 or to HLA-A2 loaded with control peptides. In vitro and in mice, CAR-T cells with the scFv exhibit potent cytotoxicity against NPM1c+HLA-A2+ leukaemia cells and primary AML blasts, but not NPM1c-HLA-A2+ leukaemia cells or HLA-A2- tumour cells. Therapies using NPM1c CAR-T cells for the treatment of NPM1c+HLA-A2+ AML may limit on-target-off-tumour toxicity and tumour resistance.
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Affiliation(s)
- Guozhu Xie
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA,Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Nikola A. Ivica
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA,Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Bin Jia
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA,Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Yingzhong Li
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA,Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Han Dong
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA, USA,Department of Microbiology and Immunology, Harvard Medical School, Boston, MA, USA
| | - Yong Liang
- Division of Hematologic Malignancies and Transplantation, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Douglas Brown
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA,Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Rizwan Romee
- Division of Hematologic Malignancies and Transplantation, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Jianzhu Chen
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA,Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
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50
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Maser IP, Hoves S, Bayer C, Heidkamp G, Nimmerjahn F, Eckmann J, Ries CH. The Tumor Milieu Promotes Functional Human Tumor-Resident Plasmacytoid Dendritic Cells in Humanized Mouse Models. Front Immunol 2020; 11:2082. [PMID: 33013879 PMCID: PMC7507800 DOI: 10.3389/fimmu.2020.02082] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 07/30/2020] [Indexed: 12/11/2022] Open
Abstract
Particular interest to harness the innate immune system for cancer immunotherapy is fueled by limitations of immune checkpoint blockade. Plasmacytoid dendritic cells (pDC) are detected in a variety of solid tumors and correlate with poor clinical outcome. Release of type I interferons in response to toll-like-receptor (TLR)7 and TLR9 activation is the pDC hallmark. Mouse and human pDC differ substantially in their biology concerning surface marker expression and cytokine production. Here, we employed humanized mouse models (HIS) to study pDC function. We performed a comprehensive characterization of transgenic, myeloid-enhanced mouse strains (NOG-EXL and NSG-SGM3) expressing human interleukin-3 (hIL-3) and granulocyte-macrophage colony stimulating factor (GM-CSF) using identical humanization protocols. Only in HIS-NOG-EXL mice sufficient pDC infiltration was detectable. Therefore, we selected this strain for subsequent tumor studies. We analyzed pDC frequency in peripheral blood and tumors by comparing HIS-NOG-EXL with HIS-NOG mice bearing three different ovarian and breast tumors. Despite the substantially increased pDC numbers in peripheral blood of HIS-NOG-EXL mice, we detected TLR7/8 agonist responsive and thus functional pDCs only in certain tumor models independent of the mouse strain employed. However, HIS-NOG-EXL mice showed in general a superior humanization phenotype characterized by reconstitution of different myeloid subsets, NK cells and B cells producing physiologic IgG levels. Hence, we provide first evidence that the tumor milieu but not genetically introduced cytokines defines intratumoral (i.t.) frequencies of the rare pDC subset. This study provides model systems to investigate in vivo pro- and anti-tumoral human pDC functions.
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Affiliation(s)
- Ilona-Petra Maser
- Roche Pharma Research and Early Development, Discovery Oncology, Roche Innovation Center Munich, Penzberg, Germany
| | - Sabine Hoves
- Roche Pharma Research and Early Development, Discovery Oncology, Roche Innovation Center Munich, Penzberg, Germany
| | - Christa Bayer
- Roche Pharma Research and Early Development, Discovery Oncology, Roche Innovation Center Munich, Penzberg, Germany
| | - Gordon Heidkamp
- Roche Pharma Research and Early Development, Discovery Oncology, Roche Innovation Center Munich, Penzberg, Germany
| | - Falk Nimmerjahn
- FAU Erlangen, Division of Genetics, Department of Biology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Jan Eckmann
- Roche Pharma Research and Early Development, Discovery Oncology, Roche Innovation Center Munich, Penzberg, Germany
| | - Carola H Ries
- Roche Pharma Research and Early Development, Discovery Oncology, Roche Innovation Center Munich, Penzberg, Germany.,Dr. Carola Ries Consulting, Penzberg, Germany
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