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Shin TH, Zhou Y, Chen S, Cordes S, Grice MZ, Fan X, Lee BC, Aljanahi AA, Hong SG, Vaughan KL, Mattison JA, Kohama SG, Fabre MA, Uchida N, Demirci S, Corat MA, Métais JY, Calvo KR, Buscarlet M, Natanson H, McGraw KL, List AF, Busque L, Tisdale JF, Vassiliou GS, Yu KR, Dunbar CE. A macaque clonal hematopoiesis model demonstrates expansion of TET2-disrupted clones and utility for testing interventions. Blood 2022; 140:1774-1789. [PMID: 35714307 PMCID: PMC9837449 DOI: 10.1182/blood.2021014875] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 05/26/2022] [Indexed: 01/21/2023] Open
Abstract
Individuals with age-related clonal hematopoiesis (CH) are at greater risk for hematologic malignancies and cardiovascular diseases. However, predictive preclinical animal models to recapitulate the spectrum of human CH are lacking. Through error-corrected sequencing of 56 human CH/myeloid malignancy genes, we identified natural CH driver mutations in aged rhesus macaques matching genes somatically mutated in human CH, with DNMT3A mutations being the most frequent. A CH model in young adult macaques was generated via autologous transplantation of clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9-mediated gene-edited hematopoietic stem and progenitor cells (HSPCs), targeting the top human CH genes with loss-of-function (LOF) mutations. Long-term follow-up revealed reproducible and significant expansion of multiple HSPC clones with heterozygous TET2 LOF mutations, compared with minimal expansion of clones bearing other mutations. Although the blood counts of these CH macaques were normal, their bone marrows were hypercellular and myeloid-predominant. TET2-disrupted myeloid colony-forming units isolated from these animals showed a distinct hyperinflammatory gene expression profile compared with wild type. In addition, mature macrophages purified from the CH macaques showed elevated NLRP3 inflammasome activity and increased interleukin-1β (IL-1β) and IL-6 production. The model was used to test the impact of IL-6 blockage by tocilizumab, documenting a slowing of TET2-mutated expansion, suggesting that interruption of the IL-6 axis may remove the selective advantage of mutant HSPCs. These findings provide a model for examining the pathophysiology of CH and give insights into potential therapeutic interventions.
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Affiliation(s)
- Tae-Hoon Shin
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD
- Department of Laboratory Animal Medicine, College of Veterinary Medicine, Jeju National University, Jeju, Republic of Korea
| | - Yifan Zhou
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD
- Haematological Cancer Genetics, Wellcome Trust Sanger Institute, Cambridge, United Kingdom
- Wellcome-Medical Research Council (MRC) Cambridge Stem Cell Institute, University of Cambridge, Cambridge, United Kingdom
| | - Shirley Chen
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD
| | - Stefan Cordes
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD
| | - Max Z. Grice
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD
| | - Xing Fan
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD
| | - Byung-Chul Lee
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD
| | - Aisha A. Aljanahi
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD
| | - So Gun Hong
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD
| | - Kelli L. Vaughan
- Translational Gerontology Branch, National Institute on Aging, NIH Animal Center, Dickerson, MD
| | - Julie A. Mattison
- Translational Gerontology Branch, National Institute on Aging, NIH Animal Center, Dickerson, MD
| | - Steven G. Kohama
- Division of Neuroscience, Oregon National Primate Research Center, Oregon Health and Science University, Beaverton, OR
| | - Margarete A. Fabre
- Haematological Cancer Genetics, Wellcome Trust Sanger Institute, Cambridge, United Kingdom
- Wellcome-Medical Research Council (MRC) Cambridge Stem Cell Institute, University of Cambridge, Cambridge, United Kingdom
| | - Naoya Uchida
- Cellular and Molecular Therapeutics Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD
| | - Selami Demirci
- Cellular and Molecular Therapeutics Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD
| | - Marcus A.F. Corat
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD
- Multidisciplinary Center for Biological Research, University of Campinas, Campinas, Brazil
| | - Jean-Yves Métais
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN
| | - Katherine R. Calvo
- Hematology Section, Department of Laboratory Medicine, Clinical Center, NIH, Bethesda, MD
| | - Manuel Buscarlet
- Hôpital Maisonneuve-Rosemont, Universite de Montreal, Montreal, QC, Canada
| | - Hannah Natanson
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD
| | - Kathy L. McGraw
- Laboratory of Receptor Biology and Gene Expression, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD
| | | | - Lambert Busque
- Hôpital Maisonneuve-Rosemont, Universite de Montreal, Montreal, QC, Canada
| | - John F. Tisdale
- Cellular and Molecular Therapeutics Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD
| | - George S. Vassiliou
- Haematological Cancer Genetics, Wellcome Trust Sanger Institute, Cambridge, United Kingdom
- Wellcome-Medical Research Council (MRC) Cambridge Stem Cell Institute, University of Cambridge, Cambridge, United Kingdom
| | - Kyung-Rok Yu
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea
| | - Cynthia E. Dunbar
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD
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Yabe IM, Truitt LL, Espinoza DA, Wu C, Koelle S, Panch S, Corat MA, Winkler T, Yu KR, Hong SG, Bonifacino A, Krouse A, Metzger M, Donahue RE, Dunbar CE. Barcoding of Macaque Hematopoietic Stem and Progenitor Cells: A Robust Platform to Assess Vector Genotoxicity. Mol Ther Methods Clin Dev 2018; 11:143-154. [PMID: 30547048 PMCID: PMC6258888 DOI: 10.1016/j.omtm.2018.10.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 10/19/2018] [Indexed: 12/19/2022]
Abstract
Gene therapies using integrating retrovirus vectors to modify hematopoietic stem and progenitor cells have shown great promise for the treatment of immune system and hematologic diseases. However, activation of proto-oncogenes via insertional mutagenesis has resulted in the development of leukemia. We have utilized cellular bar coding to investigate the impact of different vector designs on the clonal behavior of hematopoietic stem and progenitor cells (HSPCs) during in vivo expansion, as a quantitative surrogate assay for genotoxicity in a non-human primate model with high relevance for human biology. We transplanted two rhesus macaques with autologous CD34+ HSPCs transduced with three lentiviral vectors containing different promoters and/or enhancers of a predicted range of genotoxicities, each containing a high-diversity barcode library that uniquely tags each individual transduced HSPC. Analysis of clonal output from thousands of individual HSPCs transduced with these barcoded vectors revealed sustained clonal diversity, with no progressive dominance of clones containing any of the three vectors for up to almost 3 years post-transplantation. Our data support a low genotoxic risk for lentivirus vectors in HSPCs, even those containing strong promoters and/or enhancers. Additionally, this flexible system can be used for the testing of future vector designs.
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Affiliation(s)
- Idalia M. Yabe
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA
- Department of Microbiology and Immunology, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Lauren L. Truitt
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA
| | - Diego A. Espinoza
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA
| | - Chuanfeng Wu
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA
| | - Samson Koelle
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA
- Department of Statistics, University of Washington, Seattle, WA 98195, USA
| | - Sandhya Panch
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA
| | - Marcus A.F. Corat
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA
- Multidisciplinary Center for Biological Research, University of Campinas, Campinas, SP 13083-877, Brazil
| | - Thomas Winkler
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA
| | - Kyung-Rok Yu
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA
| | - So Gun Hong
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA
| | - Aylin Bonifacino
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA
| | - Allen Krouse
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA
| | - Mark Metzger
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA
| | - Robert E. Donahue
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA
| | - Cynthia E. Dunbar
- Hematology Branch, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA
- Corresponding author: Cynthia E. Dunbar, National Heart, Lung and Blood Institute, NIH, Building 10 CRC Room 4E-5132, 9000 Rockville Pike, Bethesda, MD 20892, USA.
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Abstract
Transgenic animals are used extensively in the study of in vivo gene function, as models for human diseases and in the production of biopharmaceuticals. The technology behind obtaining these animals involves molecular biology techniques, cell culture and embryo manipulation; the mouse is the species most widely used as an experimental model. In scientific research, diverse models are available as tools for the elucidation of gene function, such as transgenic animals, knockout and conditional knockout animals, knock-in animals, humanized animals, and knockdown animals. We examined the evolution of the science for the development of these animals, as well as the techniques currently used in obtaining these animal models. We review the phenotypic techniques used for elucidation of alterations caused by genetic modification. We also investigated the role of genetically modified animals in the biotechnology industry, where they promise a revolution in obtaining heterologous proteins through natural secretions, such as milk, increasing the scale of production and facilitating purification, thereby lowering the cost of production of hormones, growth factors and enzymes.
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Affiliation(s)
- L M Chaible
- Laboratório de Oncologia Experimental, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, SP, Brasil
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