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Abe T, Sarentonglaga B, Nagao Y. Advancements in medical research using fetal sheep: Implications for human health and treatment methods. Anim Sci J 2024; 95:e13945. [PMID: 38651196 DOI: 10.1111/asj.13945] [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: 01/24/2024] [Revised: 03/13/2024] [Accepted: 03/27/2024] [Indexed: 04/25/2024]
Abstract
Sheep are typically considered as industrial animals that provide wool and meals. However, they play a significant role in medical research in addition to their conventional use. Notably, sheep fetuses are resistant to surgical invasions and can endure numerous manipulations, such as needle puncture and cell transplantation, and surgical operations requiring exposure beyond the uterus. Based on these distinguishing characteristics, we established a chimeric sheep model capable of producing human/monkey pluripotent cell-derived blood cells via the fetal liver. Furthermore, sheep have become crucial as human fetal models, acting as platforms for developing and improving techniques for intrauterine surgery to address congenital disorders and clarifying the complex pharmacokinetic interactions between mothers and their fetuses. This study emphasizes the significant contributions of fetal sheep to advancing human disease understanding and treatment strategies, highlighting their unique characteristics that are not present in other animals.
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Affiliation(s)
- Tomoyuki Abe
- Open Science Laboratory, Center for Development of Advanced Medical Technology, Jichi Medical University, Tochigi, Japan
| | | | - Yoshikazu Nagao
- Department of Agriculture, Utsunomiya University, Tochigi, Japan
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2
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Shi C, Pan L, Hu Z. Experimental and clinical progress of in utero hematopoietic cell transplantation therapy for congenital disorders. Front Pharmacol 2022; 13:851375. [PMID: 36120324 PMCID: PMC9478511 DOI: 10.3389/fphar.2022.851375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 08/08/2022] [Indexed: 11/13/2022] Open
Abstract
In utero hematopoietic cell transplantation (IUHCT) is considered a potentially efficient therapeutic approach with relatively few side effects, compared to adult hematopoietic cell transplantation, for various hematological genetic disorders. The principle of IUHCT has been extensively studied in rodent models and in some large animals with close evolutionary similarities to human beings. However, IUHCT has only been used to rebuild human T cell immunity in certain patients with inherent immunodeficiencies. This review will first summarize the animal models utilized for IUHCT investigations and describe the associated outcomes. Recent advances and potential barriers for successful IUHCT are discussed, followed by possible strategies to overcome these barriers experimentally. Lastly, we will outline the progress made towards utilizing IUHCT to treat inherent disorders for patients, list out associated limitations and propose feasible means to promote the efficacy of IUHCT clinically.
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Affiliation(s)
- Chunyu Shi
- National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, The First Hospital of Jilin University, Changchun, China
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Lu Pan
- Department of Pediatric Immunology, Allergy and Rheumatology, The First Hospital of Jilin University, Changchun, China
| | - Zheng Hu
- National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, The First Hospital of Jilin University, Changchun, China
- *Correspondence: Zheng Hu,
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3
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The MHC-characterized Miniature Swine: Lessons Learned From a 40-Year Experience in Transplantation. Transplantation 2021; 106:928-937. [PMID: 34720103 DOI: 10.1097/tp.0000000000003977] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Over the last 40 y, a specialized herd of miniature swine has been intentionally bred to develop lines of animals homozygous for the swine major histocompatibility complex (MHC), which have facilitated transplantation studies across reproducible MHC and minor antigen mismatch barriers. These MHC-characterized miniature swine (Mc-MS) have been used for the study of novel surgical techniques, various approaches to tolerance induction of solid organ and vascularized composite allografts, as well as studies of the immunobiology of allografts and xenografts. Mc-MS possess characteristics that are highly advantageous to these studies, and their continued use will likely continue to play an important role in bridging "bench-to-cage-to bedside" therapies in the field of transplantation. In this review, we highlight the seminal contributions of the Mc-MS model to the field and analyze their role in the broader context of large animal models in transplantation research.
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Kandasamy K, Tan LG, B Johana N, Tan YW, Foo W, Yeo JSL, Ravikumar V, Ginhoux F, Choolani M, Chan JKY, Mattar CNZ. Maternal microchimerism and cell-mediated immune-modulation enhance engraftment following semi-allogenic intrauterine transplantation. FASEB J 2021; 35:e21413. [PMID: 33570785 DOI: 10.1096/fj.202002185rr] [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: 10/06/2020] [Revised: 01/04/2021] [Accepted: 01/20/2021] [Indexed: 11/11/2022]
Abstract
Successful intrauterine hematopoietic cell transplantation (IUT) for congenital hemoglobinopathies is hampered by maternal alloresponsiveness. We investigate these interactions in semi-allogenic murine IUT. E14 fetuses (B6 females × BALB/c males) were each treated with 5E+6 maternal (B6) or paternal (BALB/c) bone marrow cells and serially monitored for chimerism (>1% engraftment), trafficked maternal immune cells, and immune responsiveness to donor cells. A total of 41.0% of maternal IUT recipients (mIUT) were chimeras (mean donor chimerism 3.0 ± 1.3%) versus 75.0% of paternal IUT recipients (pIUT, 3.6 ± 1.1%). Chimeras showed higher maternal microchimerism of CD4, CD8, and CD19 than non-chimeras. These maternal cells showed minimal responsiveness to B6 or BALB/c stimulation. To interrogate tolerance, mIUT were injected postnatally with 5E+6 B6 cells/pup; pIUT received BALB/c cells. IUT-treated pups showed no changes in trafficked maternal or fetal immune cell levels compared to controls. Donor-specific IgM and IgG were expressed by 1%-3% of recipients. mIUT splenocytes showed greater proliferation of regulatory T cells (Treg) upon BALB/c stimulation, while B6 stimulation upregulated the pro-inflammatory cytokines more than BALB/c. pIUT splenocytes produced identical Treg and cytokine responses to BALB/c and B6 cells, with higher Treg activity and lower pro-inflammatory cytokine expression upon exposure to BALB/c. In contrast, naïve fetal splenocytes demonstrated greater alloresponsiveness to BALB/c compared to B6 cells. Thus pIUT, associated with increased maternal cell trafficking, modulates fetal Treg, and cytokine responsiveness to donor cells more efficiently than mIUT, resulting in improved engraftment. Paternal donor cells may be considered alternatively to maternal donor cells for intrauterine and postnatal transplantation to induce tolerance and maintain engraftment.
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Affiliation(s)
- Karthikeyan Kandasamy
- Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Lay Geok Tan
- Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,Department of Obstetrics and Gynaecology, National University Hospital, National University Health System, Singapore, Singapore
| | - Nuryanti B Johana
- Reproductive Medicine, KK Women's and Children's Hospital, Singapore, Singapore
| | - Yi Wan Tan
- Reproductive Medicine, KK Women's and Children's Hospital, Singapore, Singapore
| | - Wanling Foo
- Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Julie S L Yeo
- Reproductive Medicine, KK Women's and Children's Hospital, Singapore, Singapore
| | - Vikashini Ravikumar
- Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Florent Ginhoux
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Mahesh Choolani
- Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,Department of Obstetrics and Gynaecology, National University Hospital, National University Health System, Singapore, Singapore
| | - Jerry K Y Chan
- Reproductive Medicine, KK Women's and Children's Hospital, Singapore, Singapore.,Cancer and Stem Cell Biology Program, Duke-NUS Graduate Medical School, Singapore, Singapore
| | - Citra N Z Mattar
- Experimental Fetal Medicine Group, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,Department of Obstetrics and Gynaecology, National University Hospital, National University Health System, Singapore, Singapore
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5
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Duran-Struuck R, Huang CA, Matar AJ. Cellular Therapies for the Treatment of Hematological Malignancies; Swine Are an Ideal Preclinical Model. Front Oncol 2019; 9:418. [PMID: 31293961 PMCID: PMC6598443 DOI: 10.3389/fonc.2019.00418] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 05/02/2019] [Indexed: 12/12/2022] Open
Abstract
The absence of clinically relevant large animal tumor models has historically forced experimental cellular therapies for hematological malignancies to translate directly from murine models to clinical trials. However, recent advances highlight swine as an ideal large animal model to demonstrate the safety of murine proof of concept studies prior to their implementation clinically. The availability of the MHC defined MGH miniature swine herd has been key for the development of novel approaches for hematopoietic cell and solid organ transplantation. New spontaneously arising hematological malignancies in these swine, specifically myeloid leukemias and B cell lymphomas, resemble human malignancies, which has allowed for development of immortalized tumor cell lines and has implications for the development of a large animal transplantable tumor model. The novel development of a SCID swine model has further advanced the field of large animal cancer models, allowing for engraftment of human tumor cells in a large animal model. Here, we will highlight the advantages of the swine pre-clinical model for the study of hematological malignancies. Further, we will discuss our experience utilizing spontaneously arising tumors in MGH swine to create a transplantable tumor model, describe the potential of the immunodeficient swine model, and highlight several novel cellular and biological therapies for the treatment of hematological malignancies in swine as a large animal pre-clinical bridge.
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Affiliation(s)
- Raimon Duran-Struuck
- Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA, United States
| | - Christene A Huang
- Department of Surgery, University of Colorado, Denver, CO, United States
| | - Abraham J Matar
- Department of Surgery, Emory University School of Medicine, Atlanta, GA, United States
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Mattar CNZ, Tan YW, Johana N, Biswas A, Tan LG, Choolani M, Bakkour S, Johnson M, Chan JKY, Flake AW. Fetoscopic versus Ultrasound-Guided Intravascular Delivery of Maternal Bone Marrow Cells in Fetal Macaques: A Technical Model for Intrauterine Haemopoietic Cell Transplantation. Fetal Diagn Ther 2019; 46:175-186. [PMID: 30661073 DOI: 10.1159/000493791] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 09/14/2018] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Significant limitations with existing treatments for major haemoglobinopathies motivate the development of effective intrauterine therapy. We assessed the feasibility of fetoscopic and ultrasound-guided intrauterine haemopoietic cell transplantation (IUHCT) in macaque fetuses in early gestation when haemopoietic and immunological ontogeny is anticipated to enable long-term donor cell engraftment. MATERIAL AND METHODS Fluorescent-labelled bone marrow-derived mononuclear cells from 10 pregnant Macaca fascicularis were injected into their fetuses at E71-114 (18.9-170.0E+6 cells/fetus) by fetoscopic intravenous (n = 7) or ultrasound (US)-guided intracardiac injections, with sacrifice at 24 h to examine donor-cell distribution. RESULTS Operating times ranged from 35 to 118 min. Chorionic membrane tenting and intrachorionic haemorrhage were observed only with fetoscopy (n = 2). Labelled cells were stereoscopically visualised in lung, spleen, liver, and placenta. Donor-cell chimerism was highest in liver, spleen, and heart by flow cytometry, placenta by unique polymorphism qPCR, and was undetected in blood. Chimerism was 2-3 log-fold lower in individual organs by qPCR than by flow cytometry. DISCUSSION Both fetoscopic and US-guided IUHCT were technically feasible, but fetoscopy caused more intraoperative complications in our pilot series. The discrepancy in chimerism detection predicts the challenges in long-term surveillance of donor-cell chimerism. Further studies of long-term outcomes in the non-human primate are valuable for the development of clinical protocols for IUHCT.
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Affiliation(s)
- Citra N Z Mattar
- Department of Obstetrics & Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Yi-Wan Tan
- Reproductive Medicine, KK Women's and Children's Hospital, Singapore, Singapore
| | - Nuryanti Johana
- Reproductive Medicine, KK Women's and Children's Hospital, Singapore, Singapore
| | - Arijit Biswas
- Department of Obstetrics & Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Lay-Geok Tan
- Department of Obstetrics & Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Mahesh Choolani
- Department of Obstetrics & Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Sonia Bakkour
- Blood Systems Research Institute, San Francisco, California, USA
| | - Mark Johnson
- Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Jerry K Y Chan
- Reproductive Medicine, KK Women's and Children's Hospital, Singapore, Singapore, .,Cancer and Stem Cell Biology Program, Duke-NUS Graduate Medical School, Singapore, Singapore,
| | - Alan W Flake
- Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
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7
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Riley JS, McClain LE, Stratigis JD, Coons BE, Li H, Hartman HA, Peranteau WH. Pre-Existing Maternal Antibodies Cause Rapid Prenatal Rejection of Allotransplants in the Mouse Model of In Utero Hematopoietic Cell Transplantation. THE JOURNAL OF IMMUNOLOGY 2018; 201:1549-1557. [PMID: 30021770 DOI: 10.4049/jimmunol.1800183] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/11/2018] [Indexed: 01/07/2023]
Abstract
In utero hematopoietic cell transplantation (IUHCT) is a nonmyeloablative nonimmunosuppressive alternative to postnatal hematopoietic stem cell transplantation for the treatment of congenital hemoglobinopathies. Anti-HLA donor-specific Abs (DSA) are associated with a high incidence of graft rejection following postnatal hematopoietic stem cell transplantation. We determine if DSA present in the mother can similarly cause graft rejection in the fetus following IUHCT. Ten million C57BL/6 (B6, H2kb) bone marrow cells were transplanted in utero into gestational day 14 BALB/c (H2kd) fetuses. The pregnant BALB/c dams carrying these fetuses either had been previously sensitized to B6 Ag or were injected on gestational days 13-15 with serum from B6-sensitized BALB/c females. Maternal-fetal Ab transmission, Ab opsonization of donor cells, chimerism, and frequency of macrochimeric engraftment (chimerism >1%) were assessed by flow cytometry. Maternal IgG was transmitted to the fetus and rapidly opsonized donor cells following IUHCT. Donor cell rejection was observed as early as 4 h after IUHCT in B6-sensitized dams and 24 h after IUHCT in dams injected with B6-sensitized serum. Efficient opsonization was strongly correlated with decreased chimerism. No IUHCT recipients born to B6-sensitized dams or dams injected with B6-sensitized serum demonstrated macrochimeric engraftment at birth compared with 100% of IUHCT recipients born to naive dams or dams injected with naive serum (p < 0.001). In summary, maternal donor-specific IgG causes rapid, complete graft rejection in the fetus following IUHCT. When a third-party donor must be used for clinical IUHCT, the maternal serum should be screened for DSA to optimize the chance for successful engraftment.
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Affiliation(s)
- John S Riley
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104
| | - Lauren E McClain
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104
| | - John D Stratigis
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104
| | - Barbara E Coons
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104
| | - Haiying Li
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104
| | - Heather A Hartman
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104
| | - William H Peranteau
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104
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8
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Vrecenak JD, Pearson EG, Todorow CA, Li H, Johnson MP, Flake AW. Preclinical Canine Model of Graft-versus-Host Disease after In Utero Hematopoietic Cell Transplantation. Biol Blood Marrow Transplant 2018; 24:1795-1801. [PMID: 29802901 DOI: 10.1016/j.bbmt.2018.05.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 05/15/2018] [Indexed: 12/12/2022]
Abstract
In utero hematopoietic cell transplantation (IUHCT) offers the potential to achieve allogeneic engraftment and associated donor-specific tolerance without the need for toxic conditioning, as we have previously demonstrated in the murine and canine models. This strategy holds great promise in the treatment of many hematopoietic disorders, including the hemoglobinopathies. Graft-versus-host disease (GVHD) represents the greatest theoretical risk of IUHCT and has never been characterized in the context of IUHCT. We recently described a preclinical canine model of IUHCT, allowing further study of the technique and its complications. We aimed to establish a threshold T cell dose for IUHCT-induced GVHD in the haploidentical canine model and to define the GVHD phenotype. Using a range of T cell concentrations within the donor inoculum, we were able to characterize the phenotype of IUHCT-induced GVHD and establish a clear threshold for its induction between 3% and 5% graft CD3+ cell content. Given the complete absence of GVHD at CD3 doses of 1% to 3% and the excellent engraftment with the lowest dose, there is a safe therapeutic index for a clinical trial of IUHCT.
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Affiliation(s)
- Jesse D Vrecenak
- Children's Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; Division of Pediatric Surgery, Washington University in St. Louis, St. Louis, Missouri
| | - Erik G Pearson
- Children's Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Carlyn A Todorow
- Children's Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Haiying Li
- Children's Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Mark P Johnson
- Children's Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Alan W Flake
- Children's Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
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Systemic multilineage engraftment in mice after in utero transplantation with human hematopoietic stem cells. Blood Adv 2018; 2:69-74. [PMID: 29344586 DOI: 10.1182/bloodadvances.2017011585] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Accepted: 12/10/2017] [Indexed: 01/22/2023] Open
Abstract
IUHCT of human cord blood-derived CD34+ cells into fetal NSG mice results in systemic multilineage engraftment with human cells.Preconditioning with in utero injection of an anti-c-Kit receptor antibody (ACK2) results in an improved rate of engraftment.
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10
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Navarro Alvarez N, Zhu A, Arellano RS, Randolph MA, Duggan M, Scott Arn J, Huang CA, Sachs DH, Vagefi PA. Postnatal xenogeneic B-cell tolerance in swine following in utero intraportal antigen exposure. Xenotransplantation 2015; 22:368-78. [PMID: 26314946 DOI: 10.1111/xen.12186] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2015] [Accepted: 08/03/2015] [Indexed: 12/11/2022]
Abstract
BACKGROUND The objective of this study was to investigate the humoral immune response to xenogeneic antigens administered during the fetal state utilizing a baboon-to-pig model. METHODS Nine fetuses from an alpha-1,3-galactosyltransferase gene knockout (GalT-KO) MGH-miniature swine sow underwent transuterine ultrasound-guided intraportal injection of T-cell depleted baboon bone marrow (B-BM) at mid-gestation. Two juvenile GalT-KO swine undergoing direct B-BM intraportal injection were used as controls. RESULTS Postnatal humoral tolerance was induced in the long-term surviving piglets as demonstrated by the absence of any antibody response to baboon donor cells. In addition, a second intraportal B-BM administration at 2.5 months post-birth led to no antibody formation despite re-exposure to xenogeneic antigens. This B-cell unresponsiveness was abrogated only when the animal was exposed subcutaneously to third-party xenogeneic and allogeneic antigens, suggesting that the previously achieved humoral non-responsiveness was donor specific. In comparison, the two juvenile GalT-KO control swine demonstrated increasing anti-baboon IgM and IgG levels following intraportal injection. CONCLUSIONS In summary, xenogeneic B-cell tolerance was induced through in utero intraportal exposure to donor cells and this tolerance persisted following postnatal rechallenge with donor B-BM, but was lost on exposure to third-party antigen, possibly as a result of cross-reactive antibody formation.
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Affiliation(s)
- Nalu Navarro Alvarez
- Transplantation Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Alexander Zhu
- Transplantation Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Ronald S Arellano
- Transplantation Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Mark A Randolph
- Transplantation Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Michael Duggan
- Transplantation Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - John Scott Arn
- Transplantation Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Christene A Huang
- Transplantation Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - David H Sachs
- Transplantation Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Parsia A Vagefi
- Transplantation Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
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11
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Correction of murine hemoglobinopathies by prenatal tolerance induction and postnatal nonmyeloablative allogeneic BM transplants. Blood 2015; 126:1245-54. [PMID: 26124498 DOI: 10.1182/blood-2015-03-636803] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Accepted: 06/19/2015] [Indexed: 12/16/2022] Open
Abstract
Sickle cell disease (SCD) and thalassemias (Thal) are common congenital disorders, which can be diagnosed early in gestation and result in significant morbidity and mortality. Hematopoietic stem cell transplantation, the only curative therapy for SCD and Thal, is limited by the absence of matched donors and treatment-related toxicities. In utero hematopoietic stem cell transplantation (IUHCT) is a novel nonmyeloablative transplant approach that takes advantage of the immunologic immaturity and normal developmental properties of the fetus to achieve mixed allogeneic chimerism and donor-specific tolerance (DST). We hypothesized that a combined strategy of IUHCT to induce DST, followed by postnatal nonmyeloablative same donor "booster" bone marrow (BM) transplants in murine models of SCD and Thal would result in high levels of allogeneic engraftment and donor hemoglobin (Hb) expression with subsequent phenotypic correction of SCD and Thal. Our results show that: (1) IUHCT is associated with DST and low levels of allogeneic engraftment in the murine SCD and Thal models; (2) low-level chimerism following IUHCT can be enhanced to high-level chimerism and near complete Hb replacement with normal donor Hb with this postnatal "boosting" strategy; and (3) high-level chimerism following IUHCT and postnatal "boosting" results in phenotypic correction in the murine Thal and SCD models. This study supports the potential of IUHCT, combined with a postnatal nonmyelablative "boosting" strategy, to cure Thal and SCD without the toxic conditioning currently required for postnatal transplant regimens while expanding the eligible transplant patient population due to the lack of a restricted donor pool.
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12
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Stable long-term mixed chimerism achieved in a canine model of allogeneic in utero hematopoietic cell transplantation. Blood 2014; 124:1987-95. [DOI: 10.1182/blood-2013-11-537571] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Key Points
Optimization of IUHCT in a preclinical canine model yields stable long-term donor engraftment. Clinically significant levels of chimerism can be achieved without conditioning, immunosuppression, or graft-versus-host disease.
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13
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Mathes DW, Solari MG, Gazelle GS, Butler PEM, Wu A, Nazzal A, Nielsen GP, Huang CA, Sachs DH, Lee WPA, Randolph MA. Stable mixed hematopoietic chimerism permits tolerance of vascularized composite allografts across a full major histocompatibility mismatch in swine. Transpl Int 2014; 27:1086-96. [DOI: 10.1111/tri.12380] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Revised: 03/25/2014] [Accepted: 06/17/2014] [Indexed: 01/10/2023]
Affiliation(s)
- David W. Mathes
- Division of Plastic Surgery; University of Colorado, School of Medicine; Denver CO USA
| | - Mario G. Solari
- Division of Plastic Surgery; The University of Pittsburgh School of Medicine; Pittsburgh PA USA
| | - Guy Scott Gazelle
- Department of Radiology; Massachusetts General Hospital; Harvard Medical School; Boston MA USA
| | - Peter E. M. Butler
- Division of Plastic Surgery; Massachusetts General Hospital; Harvard Medical School; Boston MA USA
| | - Anette Wu
- Transplantation Biology Research Laboratory MGH-East; Massachusetts General Hospital; Harvard Medical School; Boston MA USA
| | - Adam Nazzal
- Division of Plastic Surgery; Massachusetts General Hospital; Harvard Medical School; Boston MA USA
| | - Gunnlauger P. Nielsen
- Department of Pathology; Massachusetts General Hospital; Harvard Medical School; Boston MA USA
| | - Christene A. Huang
- Transplantation Biology Research Laboratory MGH-East; Massachusetts General Hospital; Harvard Medical School; Boston MA USA
| | - David H. Sachs
- Transplantation Biology Research Laboratory MGH-East; Massachusetts General Hospital; Harvard Medical School; Boston MA USA
| | - Wei Ping Andrew Lee
- Department of Plastic Surgery; Johns Hopkins Medical Institutions; Baltimore MD USA
| | - Mark A. Randolph
- Division of Plastic Surgery; Massachusetts General Hospital; Harvard Medical School; Boston MA USA
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14
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Vrecenak JD, Flake AW. In utero hematopoietic cell transplantation--recent progress and the potential for clinical application. Cytotherapy 2013; 15:525-35. [PMID: 23415921 DOI: 10.1016/j.jcyt.2013.01.003] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Accepted: 01/08/2013] [Indexed: 11/27/2022]
Abstract
In utero hematopoietic stem cell transplantation (IUHCT) is a potential therapeutic alternative to postnatal hematopoietic stem cell transplantation (HSCT) for congenital hematologic disorders that can be diagnosed early in gestation and can be cured by HSCT. The rationale is to take advantage of normal events during hematopoietic and immunologic ontogeny to facilitate allogeneic hematopoietic engraftment. Although the rationale remains compelling, IUHCT has not yet achieved its clinical potential. This review will discuss recent experimental progress toward overcoming the barriers to allogeneic engraftment and new therapeutic strategies that may hasten clinical application.
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Affiliation(s)
- Jesse D Vrecenak
- Children's Center for Fetal Research, Children's Hospital of Philadelphia, and Department of Surgery, University of Pennsylvania, School of Medicine, Philadelphia, PA, USA
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JIE YING, LIU LIMIN, PAN ZHIQIANG, WANG LI. Survival of pig-to-rhesus corneal xenografts prolonged by prior donor bone marrow transplantation. Mol Med Rep 2013; 7:869-74. [DOI: 10.3892/mmr.2013.1294] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Accepted: 09/28/2012] [Indexed: 11/05/2022] Open
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Roybal JL, Santore MT, Flake AW. Stem cell and genetic therapies for the fetus. Semin Fetal Neonatal Med 2010; 15:46-51. [PMID: 19540822 DOI: 10.1016/j.siny.2009.05.005] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Advances in prenatal diagnosis have led to the prenatal management of a variety of congenital diseases. Although prenatal stem cell and gene therapy await clinical application, they offer tremendous potential for the treatment of many genetic disorders. Normal developmental events in the fetus offer unique biologic advantages for the engraftment of hematopoietic stem cells and efficient gene transfer that are not present after birth. Although barriers to hematopoietic stem cell engraftment exist, progress has been made and preclinical studies are now underway for strategies based on prenatal tolerance induction to facilitate postnatal cellular transplantation. Similarly, in-utero gene therapy shows experimental promise for a host of diseases and proof-in-principle has been demonstrated in murine models, but ethical and safety issues still need to be addressed. Here we review the current status and future potential of prenatal cellular and genetic therapy.
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Affiliation(s)
- Jessica L Roybal
- Children's Center for Fetal Research, Children's Hospital of Philadelphia, PA, USA
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Peranteau WH, Heaton TE, Gu YC, Volk SW, Bauer TR, Alcorn K, Tuschong LM, Johnson MP, Hickstein DD, Flake AW. Haploidentical in utero hematopoietic cell transplantation improves phenotype and can induce tolerance for postnatal same-donor transplants in the canine leukocyte adhesion deficiency model. Biol Blood Marrow Transplant 2009; 15:293-305. [PMID: 19203720 DOI: 10.1016/j.bbmt.2008.11.034] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2008] [Accepted: 11/25/2008] [Indexed: 11/19/2022]
Abstract
In the murine model, in utero hematopoietic cell transplantation (IUHCT) has been shown to achieve low levels of allogeneic chimerism and associated donor-specific tolerance permitting minimal conditioning postnatal hematopoietic stem cell transplantation (HSCT). In this pilot study, we investigated IUHCT in the canine leukocyte adhesion deficiency (CLAD) model. Haploidentical IUHCT resulted in stable low-level donor cell chimerism in all dogs that could be analyzed by sensitive detection methodology (4 of 10) through 18 months of follow-up. In the 2 CLAD recipients, low-level chimerism resulted in amelioration and complete reversal of the CLAD phenotype, respectively. Six recipients of IUHCT (5 carriers and 1 CLAD) subsequently received postnatal HSCT from the same haploidentical prenatal donor after minimal conditioning with busulfan 10 mg/kg. Chimerism in 2 of 5 CLAD carriers that underwent HSCT increased from < 1% pre-HSCT to sustained levels of 35% to 45%. Control animals undergoing postnatal haploidentical HSCT without IUHCT had no detectable donor chimerism. These results demonstrate that haploidentical IUHCT in the CLAD model can result in low-level donor chimerism that can prevent the lethal phenotype in CLAD dogs, and can result in donor-specific tolerance that can facilitate postnatal minimal conditioning HSCT.
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Affiliation(s)
- William H Peranteau
- Center for Fetal Research, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
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Abstract
At the present time, the most likely and eminent application of stem cell therapy to the fetus is in utero hematopoietic stem cell transplantation (IUHCT), and this stem cell type will be discussed as a paradigm for all prenatal stem cell therapy. The authors feel that the most likely initial application of IUHCT will use adult HSC derived from bone marrow (BM) or peripheral blood (PB), and will focus this article on this specific approach. The article also reviews the experimental data that support the capacity of IUHCT to induce donor-specific tolerance.
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Skopal-Chase JL, Pixley JS, Torabi A, Cenariu MC, Bhat A, Thain DS, Frederick NM, Groza DM, Zanjani ED. Immune ontogeny and engraftment receptivity in the sheep fetus. Fetal Diagn Ther 2009; 25:102-10. [PMID: 19246928 DOI: 10.1159/000203399] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2007] [Accepted: 05/30/2008] [Indexed: 12/17/2022]
Abstract
OBJECTIVE The biologic explanation for fetal receptivity to donor engraftment and subsequent long-term tolerance following transplantation early in gestation is not known. We investigated the role fetal immune ontogeny might play in fetal transplantation tolerance in sheep. METHODS Engraftment of allogeneic and xenogeneic HSC was determined 60 days following transplantation at different time points in sheep fetal gestation. Parallel analysis of surface differentiation antigen expression on cells from lymphoid organs of timed gestational age fetal sheep was determined by flow cytometry using available reagents. RESULTS An engraftment window was identified after day 52 gestation lasting until day 71 (term gestation: 145 days). This period was associated with the expression of the leukocyte common antigen CD45 on all cells in the thymus. Double-positive and single-positive CD4 and CD8 cells began appearing in the thymus just prior (day 45 gestation) to the beginning of the engraftment window, while single-positive CD4 or CD8 cells do not begin appearing in peripheral organs until late in the engraftment period, suggesting deletional mechanisms may be operative. In concert, surface IgM-positive cells express CD45 in the thymus at day 45, with a comparable delay in the appearance of IgM/CD45 cells in the periphery until late in the engraftment window. CONCLUSIONS These findings support a central role for the thymus in multilineage immune cell maturation during the period of fetal transplantation receptivity. Further, they suggest that fetal engraftment receptivity is due to gestational age-dependent deletional tolerance.
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In Utero Hematopoietic Stem Cell Transplantation: Progress toward Clinical Application. Biol Blood Marrow Transplant 2008; 14:729-40. [DOI: 10.1016/j.bbmt.2008.02.012] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2008] [Accepted: 02/15/2008] [Indexed: 11/22/2022]
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Shaaban AF, Kim HB, Gaur L, Liechty KW, Flake AW. Prenatal transplantation of cytokine-stimulated marrow improves early chimerism in a resistant strain combination but results in poor long-term engraftment. Exp Hematol 2006; 34:1278-87. [PMID: 16939821 PMCID: PMC3096442 DOI: 10.1016/j.exphem.2006.05.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2006] [Revised: 05/08/2006] [Accepted: 05/08/2006] [Indexed: 01/17/2023]
Abstract
OBJECTIVE In the absence of immunodeficiency, only microchimerism (<0.1%) has been achieved in human fetal recipients or nonhuman primates following in utero hematopoietic cell transplantation (IUHCT). We hypothesized that enhanced long-term engraftment might be more reliably achieved in microchimeric systems if higher levels of chimerism existed during development of adaptive immunity. To evaluate this hypothesis, we stimulated the donor cells with vascular endothelial growth factor (VEGF) and stem cell factor (SCF) prior to IUHCT in a chimerism-resistant murine strain combination. METHODS Donor Balb/c marrow was cultured in media with or without VEGF and SCF supplementation for 12 hours prior to IUHCT into B6 fetuses at 14 days postcoitum (dpc). Donor cell phenotype, homing, and chimerism were assessed at short and long-term time points and transplanted animals received skin allografts at 8 weeks. RESULTS In pretreated allogeneic recipients, early chimerism rates were more than double that of controls (71% vs 33%, p = 0.01). These differences were associated with higher numbers of pretransplant donor cell colony-forming cells without change in donor cell homing. Despite prolonged skin allograft survival for pretreated recipients compared with controls (mean survival = 20.8 vs 8.2 days, p < 0.001), long-term engraftment was unchanged. CONCLUSIONS These findings demonstrate that higher levels of early chimerism in recipients of cytokine-stimulated marrow result in improved short-term chimerism and tolerance. Future studies are needed to confirm the existence of a "threshold" level of chimerism necessary to sustain long-term engraftment.
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Affiliation(s)
- Aimen F Shaaban
- Laboratory for Fetal Cellular Therapy, Department of Surgery, University of Wisconsin Medical School, Madison, WI 53792-7375, USA.
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Peranteau WH, Endo M, Adibe OO, Merchant A, Zoltick PW, Flake AW. CD26 inhibition enhances allogeneic donor-cell homing and engraftment after in utero hematopoietic-cell transplantation. Blood 2006; 108:4268-74. [PMID: 16954501 PMCID: PMC1895454 DOI: 10.1182/blood-2006-04-018986] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
In utero hematopoietic-cell transplantation (IUHCT) can induce donor-specific tolerance to facilitate postnatal transplantation. Induction of tolerance requires a threshold level of mixed hematopoietic chimerism. CD26 is a peptidase whose inhibition increases homing and engraftment of hematopoietic cells in postnatal transplantation. We hypothesized that CD26 inhibition would increase donor-cell homing to the fetal liver (FL) and improve allogeneic engraftment following IUHCT. To evaluate this hypothesis, B6GFP bone marrow (BM) or enriched hematopoietic stem cells (HSCs) were transplanted into allogeneic fetal mice with or without CD26 inhibition. Recipients were analyzed for FL homing and peripheral-blood chimerism from 4 to 28 weeks of life. We found that CD26 inhibition of donor cells results in (1) increased homing of allogeneic BM and HSCs to the FL, (2) an increased number of injected animals with evidence of postnatal engraftment, (3) increased donor chimerism levels following IUHCT, and (4) a competitive engraftment advantage over noninhibited congenic donor cells. This study supports CD26 inhibition as a potential method to increase the level of FL homing and engraftment following IUHCT. The resulting increased donor chimerism suggests that CD26 inhibition may in the future be used as a method of increasing donor-specific tolerance following IUHCT.
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Affiliation(s)
- William H Peranteau
- The Center for Fetal Research, Children's Hospital of Philadelphia, Abramson Research Bldg, Rm 1116B, 3615 Civic Center Blvd, Philadelphia, PA 19104-4318, USA
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Lee PW, Cina RA, Randolph MA, Arellano R, Goodrich J, Rowland H, Huang CA, Sachs DH, Kim HB. In utero bone marrow transplantation induces kidney allograft tolerance across a full major histocompatibility complex barrier in Swine. Transplantation 2005; 79:1084-90. [PMID: 15880048 DOI: 10.1097/01.tp.0000161247.61727.67] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND In utero hematopoietic stem-cell transplantation has been shown to induce donor-specific tolerance in small-animal models. However, tolerance has been difficult to achieve in large-animal studies. METHODS Outbred swine underwent in utero transplantation of fully major histocompatibility complex (MHC)-mismatched CD3-depleted bone marrow mixed with fresh bone marrow to achieve a final CD3 content of 1.5%. Transplantation was performed at 50 to 55 days' gestation and two animals survived long term and demonstrated multilineage peripheral blood hematopoietic chimerism. These two long-term survivors were analyzed for in vitro evidence of donor-specific tolerance by mixed leukocyte reaction (MLR), cell-mediated lysis (CML), and antibody testing and in vivo by kidney transplantation. RESULTS Both animals demonstrated in vitro donor-specific unresponsiveness by MLR and CML and did not demonstrate anti-donor antibody production. Donor matched kidney transplants were performed without immunosuppression and functioned for more than 100 days, with no evidence for rejection. CONCLUSIONS The authors demonstrate conclusively that in utero transplantation of fully MHC-mismatched bone marrow in swine can lead to engraftment and stable multilineage hematopoietic chimerism and tolerance to postnatal donor MHC-matched kidney transplantation without the need for immunosuppression.
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Affiliation(s)
- Patricia W Lee
- Transplantation Biology Research Center, Massachusetts General Hospital-East, Boston, MA 02115, USA
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