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Gaudeaux P, Moirangthem RD, Bauquet A, Simons L, Joshi A, Cavazzana M, Nègre O, Soheili S, André I. T-Cell Progenitors As A New Immunotherapy to Bypass Hurdles of Allogeneic Hematopoietic Stem Cell Transplantation. Front Immunol 2022; 13:956919. [PMID: 35874778 PMCID: PMC9300856 DOI: 10.3389/fimmu.2022.956919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 06/14/2022] [Indexed: 11/13/2022] Open
Abstract
Allogeneic hematopoietic stem cell transplantation (HSCT) is the treatment of preference for numerous malignant and non-malignant hemopathies. The outcome of this approach is significantly hampered by not only graft-versus-host disease (GvHD), but also infections and relapses that may occur because of persistent T-cell immunodeficiency following transplantation. Reconstitution of a functional T-cell repertoire can take more than 1 year. Thus, the major challenge in the management of allogeneic HSCT relies on the possibility of shortening the window of immune deficiency through the acceleration of T-cell recovery, with diverse, self-tolerant, and naïve T cells resulting from de novo thymopoiesis from the donor cells. In this context, adoptive transfer of cell populations that can give rise to mature T cells faster than HSCs while maintaining a safety profile compatible with clinical use is of major interest. In this review, we summarize current advances in the characterization of thymus seeding progenitors, and their ex vivo generated counterparts, T-cell progenitors. Transplantation of the latter has been identified as a worthwhile approach to shorten the period of immune deficiency in patients following allogeneic HSCT, and to fulfill the clinical objective of reducing morbimortality due to infections and relapses. We further discuss current opportunities for T-cell progenitor-based therapy manufacturing, including iPSC cell sources and off-the-shelf strategies. These opportunities will be analyzed in the light of results from ongoing clinical studies involving T-cell progenitors.
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Affiliation(s)
- Pierre Gaudeaux
- Human Lymphohematopoiesis Laboratory, Imagine Institute, INSERM UMR 1163, Université Paris Cité, Paris, France
- Smart Immune, Paris, France
| | - Ranjita Devi Moirangthem
- Human Lymphohematopoiesis Laboratory, Imagine Institute, INSERM UMR 1163, Université Paris Cité, Paris, France
| | | | - Laura Simons
- Smart Immune, Paris, France
- Department of Medicine V, Hematology, Oncology and Rheumatology, University of Heidelberg, Heidelberg, Germany
| | - Akshay Joshi
- Human Lymphohematopoiesis Laboratory, Imagine Institute, INSERM UMR 1163, Université Paris Cité, Paris, France
| | - Marina Cavazzana
- Smart Immune, Paris, France
- Department of Biotherapy, Hôpital Universitaire Necker-Enfants Malades, Groupe Hospitalier Paris Centre, Assistance Publique-Hôpitaux de Paris, Paris, France
- Biotherapy Clinical Investigation Center, Groupe Hospitalier Universitaire Paris Cité, Assistance Publique-Hôpitaux de Paris, INSERM CIC 1416, Paris, France
- Imagine Institute, Université Paris Cité, Paris, France
| | | | | | - Isabelle André
- Human Lymphohematopoiesis Laboratory, Imagine Institute, INSERM UMR 1163, Université Paris Cité, Paris, France
- *Correspondence: Isabelle André,
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Bertaina A, Abraham A, Bonfim C, Cohen S, Purtill D, Ruggeri A, Weiss D, Wynn R, Boelens JJ, Prockop S. An ISCT Stem Cell Engineering Committee Position Statement on Immune Reconstitution: the importance of predictable and modifiable milestones of immune reconstitution to transplant outcomes. Cytotherapy 2022; 24:385-392. [PMID: 35331394 DOI: 10.1016/j.jcyt.2021.09.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 09/14/2021] [Accepted: 09/18/2021] [Indexed: 11/19/2022]
Abstract
Allogeneic stem cell transplantation is a potentially curative therapy for some malignant and non-malignant disease. There have been substantial advances since the approaches first introduced in the 1970s, and the development of approaches to transplant with HLA incompatible or alternative donors has improved access to transplant for those without a fully matched donor. However, success is still limited by morbidity and mortality from toxicity and imperfect disease control. Here we review our emerging understanding of how reconstitution of effective immunity after allogeneic transplant can protect from these events and improve outcomes. We provide perspective on milestones of immune reconstitution that are easily measured and modifiable.
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Affiliation(s)
- Alice Bertaina
- Center for Cancer and Immunology Research, CETI, Children's National Hospital, Washington, District of Columbia, USA
| | - Allistair Abraham
- Division of Hematology, Oncology, Stem Cell Transplantation and Regenerative Medicine, Department of Pediatrics, Stanford University, Stanford, California, USA
| | - Carmem Bonfim
- Pediatric Bone Marrow Transplantation Division, Hospital Pequeno Principe, Curitiba, Brazil
| | - Sandra Cohen
- Université de Montréal and Maisonneuve Rosemont Hospital, Montréal, Québec, Canada
| | - Duncan Purtill
- Department of Haematology, Fiona Stanley Hospital, Perth, Western Australia, Australia
| | | | | | - Robert Wynn
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
| | - Jaap Jan Boelens
- Stem Cell Transplantation and Cellular Therapies, Memorial Sloan Kettering Cancer Center, and Department of Pediatrics, Weill Cornell Medical College of Cornell University, New York, New York, USA
| | - Susan Prockop
- Stem Cell Transplant Program, Division of Hematology/Oncology Boston Children's Hospital and Department of Pediatric Oncology, Dana Farber Cancer Institute.
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Shin DY, Huang X, Gil CH, Aljoufi A, Ropa J, Broxmeyer HE. Physioxia enhances T-cell development ex vivo from human hematopoietic stem and progenitor cells. Stem Cells 2020; 38:1454-1466. [PMID: 32761664 DOI: 10.1002/stem.3259] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 06/29/2020] [Accepted: 07/10/2020] [Indexed: 12/13/2022]
Abstract
Understanding physiologic T-cell development from hematopoietic stem (HSCs) and progenitor cells (HPCs) is essential for development of improved hematopoietic cell transplantation (HCT) and emerging T-cell therapies. Factors in the thymic niche, including Notch 1 receptor ligand, guide HSCs and HPCs through T-cell development in vitro. We report that physiologically relevant oxygen concentration (5% O2 , physioxia), an important environmental thymic factor, promotes differentiation of cord blood CD34+ cells into progenitor T (proT) cells in serum-free and feeder-free culture system. This effect is enhanced by a potent reducing and antioxidant agent, ascorbic acid. Human CD34+ cell-derived proT cells in suspension cultures maturate into CD3+ T cells in an artificial thymic organoid (ATO) culture system more efficiently when maintained under physioxia, compared to ambient air. Low oxygen tension acts as a positive regulator of HSC commitment and HPC differentiation toward proT cells in the feeder-free culture system and for further maturation into T cells in the ATO. Culturing HSCs/HPCs in physioxia is an enhanced method of effective progenitor T and mature T-cell production ex vivo and may be of future use for HCT and T-cell immunotherapies.
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Affiliation(s)
- Dong-Yeop Shin
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indiana, USA.,Division of Hematology and Medical Oncology, Department of Internal Medicine, Seoul National University Hospital, Seoul, South Korea
| | - Xinxin Huang
- Institutes of Biomedical Sciences, Fudan University, Shanghai, People's Republic of China
| | - Chang-Hyun Gil
- Division of Vascular Surgery, Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Arafat Aljoufi
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - James Ropa
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Hal E Broxmeyer
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indiana, USA
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Talib S, Shepard KA. Unleashing the cure: Overcoming persistent obstacles in the translation and expanded use of hematopoietic stem cell-based therapies. Stem Cells Transl Med 2020; 9:420-426. [PMID: 31957346 PMCID: PMC7103620 DOI: 10.1002/sctm.19-0375] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Accepted: 01/02/2020] [Indexed: 12/22/2022] Open
Abstract
Hematopoietic stem cell transplantation (HSCT) is broadly used for treating and curing hematological cancers and various disorders of the blood and immune system. However, its true therapeutic potential remains vastly constrained by significant scientific and technical hurdles that preclude expansion to new indications and limit the number of patients who could benefit from, gain access to, or financially afford the procedure. To define and overcome these challenges, the California Institute for Regenerative Medicine (CIRM) held multiple workshops related to HSCT and has subsequently invested in a new generation of approaches to address the most compelling needs of the field, including new sources of healthy and immunologically compatible hematopoietic stem cells for transplant; safe and efficient genome modification technologies for correction of inherited genetic defects and other forms of gene therapy; safer and more tractable transplantation procedures such as nongenotoxic conditioning regimens, methods to accelerate immune reconstitution and recovery of immune function, and innovations to minimize the risk of immune rejection; and other life‐threatening complications from transplant. This Perspective serves to highlight these needs through examples from the recent CIRM‐funded and other notable investigations, presents rationale for comprehensive, systematic, and focused strategies to unleash the full potential of HSCT, thereby enabling cures for a greatly expanded number of disorders and making HSCT feasible, accessible, and affordable to all who could benefit.
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Affiliation(s)
- Sohel Talib
- California Institute for Regenerative Medicine, Oakland, California
| | - Kelly A Shepard
- California Institute for Regenerative Medicine, Oakland, California
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