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Jacobsen DP, Fjeldstad HE, Sugulle M, Johnsen GM, Olsen MB, Kanaan SB, Staff AC. Fetal microchimerism and the two-stage model of preeclampsia. J Reprod Immunol 2023; 159:104124. [PMID: 37541161 DOI: 10.1016/j.jri.2023.104124] [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: 04/29/2023] [Revised: 06/21/2023] [Accepted: 07/25/2023] [Indexed: 08/06/2023]
Abstract
Fetal cells cross the placenta during pregnancy and some have the ability to persist in maternal organs and circulation long-term, a phenomenon termed fetal microchimerism. These cells often belong to stem cell or immune cell lineages. The long-term effects of fetal microchimerism are likely mixed, potentially depending on the amount of fetal cells transferred, fetal-maternal histocompatibility and fetal cell-specific properties. Both human and animal data indicate that fetal-origin cells partake in tissue repair and may benefit maternal health overall. On the other hand, these cells have been implicated in inflammatory diseases by studies showing increased fetal microchimerism in women with autoimmune diseases such as systemic lupus erythematosus and rheumatoid arthritis. During pregnancy, preeclampsia is associated with increased cell-transfer between the mother and fetus, and an increase in immune cell subsets. In the current review, we discuss potential mechanisms of transplacental transfer, including passive leakage across the compromised diffusion barrier and active recruitment of cells residing in the placenta or fetal circulation. Within the conceptual framework of the two-stage model of preeclampsia, where syncytiotrophoblast stress is a common pathophysiological pathway to maternal and fetal clinical features of preeclampsia, we argue that microchimerism may represent a mechanistic link between stage 1 placental dysfunction and stage 2 maternal cardiovascular inflammation and endothelial dysfunction. Finally, we postulate that fetal microchimerism may contribute to the known association between placental syndromes and increased long-term maternal cardiovascular disease risk. Fetal microchimerism research represents an exciting opportunity for developing new disease biomarkers and targeted prophylaxis against maternal diseases.
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Affiliation(s)
- Daniel P Jacobsen
- Faculty of Medicine, University of Oslo, Oslo, Norway; Division of Obstetrics and Gynaecology, Oslo University Hospital, Ullevål, Oslo, Norway.
| | | | - Meryam Sugulle
- Faculty of Medicine, University of Oslo, Oslo, Norway; Division of Obstetrics and Gynaecology, Oslo University Hospital, Ullevål, Oslo, Norway
| | - Guro M Johnsen
- Division of Obstetrics and Gynaecology, Oslo University Hospital, Ullevål, Oslo, Norway
| | - Maria B Olsen
- Faculty of Medicine, University of Oslo, Oslo, Norway; Research Institute of Internal Medicine, Oslo University Hospital, Oslo, Norway
| | - Sami B Kanaan
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA; Chimerocyte, Inc., Seattle, WA, USA
| | - Anne Cathrine Staff
- Faculty of Medicine, University of Oslo, Oslo, Norway; Division of Obstetrics and Gynaecology, Oslo University Hospital, Ullevål, Oslo, Norway
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2
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Tarantal AF, Hartigan-O'Connor DJ, Noctor SC. Translational Utility of the Nonhuman Primate Model. BIOLOGICAL PSYCHIATRY: COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2022; 7:491-497. [PMID: 35283343 PMCID: PMC9576492 DOI: 10.1016/j.bpsc.2022.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 02/25/2022] [Accepted: 03/01/2022] [Indexed: 11/15/2022]
Abstract
Nonhuman primates are essential for the study of human disease and to explore the safety of new diagnostics and therapies proposed for human use. They share similar genetic, physiologic, immunologic, reproductive, and developmental features with humans and thus have proven crucial for the study of embryonic/fetal development, organ system ontogeny, and the role of the maternal-placental-fetal interface in health and disease. The fetus may be exposed to a variety of inflammatory stimuli including infectious microbes as well as maternal inflammation, which can result from infections, obesity, or environmental exposures. Growing evidence supports that inflammation is a mediator of fetal programming and that the maternal immune system is tightly integrated with fetal-placental immune responses that may set a postnatal path for future health or disease. This review addresses some of the unique features of the nonhuman primate model system, specifically the rhesus monkey (Macaca mulatta), and importance of the species for studies focused on organ system ontogeny and the impact of viral teratogens in relation to development and congenital disorders.
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Affiliation(s)
- Alice F Tarantal
- Department of Pediatrics, School of Medicine, University of California Davis, Davis, California; Department of Cell Biology and Human Anatomy, School of Medicine, University of California Davis, Davis, California; California National Primate Research Center, University of California Davis, Davis, California.
| | - Dennis J Hartigan-O'Connor
- Department of Medical Microbiology and Immunology, School of Medicine, University of California Davis, Davis, California; California National Primate Research Center, University of California Davis, Davis, California
| | - Stephen C Noctor
- Department of Psychiatry and Behavioral Sciences, School of Medicine, University of California Davis, Davis, California; Medical Investigation of Neurodevelopmental Disorders Institute, University of California Davis, Davis, California
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3
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Abstract
Nonhuman primates are critically important animal models in which to study complex human diseases, understand biological functions, and address the safety of new diagnostics and therapies proposed for human use. They have genetic, physiologic, immunologic, and developmental similarities when compared to humans and therefore provide important preclinical models of human health and disease. This review highlights select research areas that demonstrate the importance of nonhuman primates in translational research. These include pregnancy and developmental disorders, infectious diseases, gene therapy, somatic cell genome editing, and applications of in vivo imaging. The power of the immune system and our increasing understanding of the role it plays in acute and chronic illnesses are being leveraged to produce new treatments for a range of medical conditions. Given the importance of the human immune system in health and disease, detailed study of the immune system of nonhuman primates is essential to advance preclinical translational research. The need for nonhuman primates continues to remain a high priority, which has been acutely evident during the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) global pandemic. Nonhuman primates will continue to address key questions and provide predictive models to identify the safety and efficiency of new diagnostics and therapies for human use across the lifespan.
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Affiliation(s)
- Alice F Tarantal
- Departments of Pediatrics and Cell Biology and Human Anatomy, University of California, Davis, California, USA;
- California National Primate Research Center, University of California, Davis, California, USA
| | - Stephen C Noctor
- Department of Psychiatry and Behavioral Sciences, University of California, Davis, California, USA;
| | - Dennis J Hartigan-O'Connor
- California National Primate Research Center, University of California, Davis, California, USA
- Medical Microbiology and Immunology, School of Medicine, University of California, Davis, California, USA;
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4
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Cómitre-Mariano B, Martínez-García M, García-Gálvez B, Paternina-Die M, Desco M, Carmona S, Gómez-Gaviro MV. Feto-maternal microchimerism: Memories from pregnancy. iScience 2022; 25:103664. [PMID: 35072002 PMCID: PMC8762399 DOI: 10.1016/j.isci.2021.103664] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
There is a bidirectional transplacental cell trafficking between mother and fetus during pregnancy in placental mammals. The presence and persistence of fetal cells in maternal tissues are known as fetal microchimerism (FMc). FMc has high multilineage potential with a great ability to differentiate and functionally integrate into maternal tissue. FMc has been found in various maternal tissues in animal models and humans. Its permanence in the maternal body up to decades after delivery suggests it might play an essential role in maternal pathophysiology. Studying the presence, localization, and characteristics of FMc in maternal tissues is key to understanding its impact on the woman's body. Here we comprehensively review the existence of FMc in different species and organs and tissues, aiming to better characterize their possible role in human health and disease. We also highlight several methodological considerations that would optimize the detection, quantification, and functional determination of FMc.
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Affiliation(s)
- Blanca Cómitre-Mariano
- Instituto de Investigación Sanitaria Gregorio Marañón. (IiSGM), C/Doctor Esquerdo 46, 28007 Madrid, Spain
| | - Magdalena Martínez-García
- Instituto de Investigación Sanitaria Gregorio Marañón. (IiSGM), C/Doctor Esquerdo 46, 28007 Madrid, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), C/ Monforte de Lemos 3-5, Instituto de Salud Carlos III, Pabellón 11, planta baja, 28029 Madrid, Spain
| | - Bárbara García-Gálvez
- Instituto de Investigación Sanitaria Gregorio Marañón. (IiSGM), C/Doctor Esquerdo 46, 28007 Madrid, Spain
| | - María Paternina-Die
- Instituto de Investigación Sanitaria Gregorio Marañón. (IiSGM), C/Doctor Esquerdo 46, 28007 Madrid, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), C/ Monforte de Lemos 3-5, Instituto de Salud Carlos III, Pabellón 11, planta baja, 28029 Madrid, Spain
| | - Manuel Desco
- Instituto de Investigación Sanitaria Gregorio Marañón. (IiSGM), C/Doctor Esquerdo 46, 28007 Madrid, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), C/ Monforte de Lemos 3-5, Instituto de Salud Carlos III, Pabellón 11, planta baja, 28029 Madrid, Spain.,Departamento de Bioingeniería e Ingeniería Aeroespacial, Universidad Carlos III de Madrid, Avenida de la Universidad, 30, 28911 Leganés, Spain.,Centro Nacional de Investigaciones Cardiovasculares Carlos III, CNIC, C/ Melchor Fernandez Almagro 3, 28029 Madrid, Spain
| | - Susanna Carmona
- Instituto de Investigación Sanitaria Gregorio Marañón. (IiSGM), C/Doctor Esquerdo 46, 28007 Madrid, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), C/ Monforte de Lemos 3-5, Instituto de Salud Carlos III, Pabellón 11, planta baja, 28029 Madrid, Spain
| | - María Victoria Gómez-Gaviro
- Instituto de Investigación Sanitaria Gregorio Marañón. (IiSGM), C/Doctor Esquerdo 46, 28007 Madrid, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), C/ Monforte de Lemos 3-5, Instituto de Salud Carlos III, Pabellón 11, planta baja, 28029 Madrid, Spain.,Departamento de Bioingeniería e Ingeniería Aeroespacial, Universidad Carlos III de Madrid, Avenida de la Universidad, 30, 28911 Leganés, Spain
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5
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Peterson LS, Stelzer IA, Tsai AS, Ghaemi MS, Han X, Ando K, Winn VD, Martinez NR, Contrepois K, Moufarrej MN, Quake S, Relman DA, Snyder MP, Shaw GM, Stevenson DK, Wong RJ, Arck P, Angst MS, Aghaeepour N, Gaudilliere B. Multiomic immune clockworks of pregnancy. Semin Immunopathol 2020; 42:397-412. [PMID: 32020337 PMCID: PMC7508753 DOI: 10.1007/s00281-019-00772-1] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 10/31/2019] [Indexed: 12/15/2022]
Abstract
Preterm birth is the leading cause of mortality in children under the age of five worldwide. Despite major efforts, we still lack the ability to accurately predict and effectively prevent preterm birth. While multiple factors contribute to preterm labor, dysregulations of immunological adaptations required for the maintenance of a healthy pregnancy is at its pathophysiological core. Consequently, a precise understanding of these chronologically paced immune adaptations and of the biological pacemakers that synchronize the pregnancy "immune clock" is a critical first step towards identifying deviations that are hallmarks of peterm birth. Here, we will review key elements of the fetal, placental, and maternal pacemakers that program the immune clock of pregnancy. We will then emphasize multiomic studies that enable a more integrated view of pregnancy-related immune adaptations. Such multiomic assessments can strengthen the biological plausibility of immunological findings and increase the power of biological signatures predictive of preterm birth.
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Affiliation(s)
- Laura S Peterson
- Division of Neonatal and Developmental Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Ina A Stelzer
- Department of Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Amy S Tsai
- Department of Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Mohammad S Ghaemi
- Department of Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Xiaoyuan Han
- Department of Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Kazuo Ando
- Department of Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Virginia D Winn
- Department of Obstetrics and Gynecology, Stanford University School of Medicine, Stanford, CA, USA
| | - Nadine R Martinez
- Department of Obstetrics and Gynecology, Stanford University School of Medicine, Stanford, CA, USA
| | - Kevin Contrepois
- Stanford Metabolic Health Center, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Center for Genomics and Personalized Medicine, Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Mira N Moufarrej
- Department of Bioengineering, Stanford University School of Engineering, Stanford, CA, USA
| | - Stephen Quake
- Department of Bioengineering, Stanford University School of Engineering, Stanford, CA, USA
| | - David A Relman
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Infectious Diseases Section, Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Michael P Snyder
- Stanford Center for Genomics and Personalized Medicine, Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Gary M Shaw
- Division of Neonatal and Developmental Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - David K Stevenson
- Division of Neonatal and Developmental Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Ronald J Wong
- Division of Neonatal and Developmental Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Petra Arck
- Department of Obstetrics and Fetal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Martin S Angst
- Department of Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Nima Aghaeepour
- Department of Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Brice Gaudilliere
- Department of Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA, USA.
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6
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Johnson BN, Ehli EA, Davies GE, Boomsma DI. Chimerism in health and potential implications on behavior: A systematic review. Am J Med Genet A 2020; 182:1513-1529. [PMID: 32212323 DOI: 10.1002/ajmg.a.61565] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 02/03/2020] [Accepted: 03/02/2020] [Indexed: 12/12/2022]
Abstract
In this review, we focus on the phenomenon of chimerism and especially microchimerism as one of the currently underexplored explanations for differences in health and behavior. Chimerism is an amalgamation of cells from two or more unique zygotes within a single organism, with microchimerism defined by a minor cell population of <1%. This article first presents an overview of the primary techniques employed to detect and quantify the presence of microchimerism and then reviews empirical studies of chimerism in mammals including primates and humans. In women, male microchimerism, a condition suggested to be the result of fetomaternal exchange in utero, is relatively easily detected by polymerase chain reaction molecular techniques targeting Y-chromosomal markers. Consequently, studies of chimerism in human diseases have largely focused on diseases with a predilection for females including autoimmune diseases, and female cancers. We detail studies of chimerism in human diseases and also discuss some potential implications in behavior. Understanding the prevalence of chimerism and the associated health outcomes will provide invaluable knowledge of human biology and guide novel approaches for treating diseases.
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Affiliation(s)
- Brandon N Johnson
- Avera Institute for Human Genetics, Avera McKennan Hospital and University Health Center, Sioux Falls, South Dakota, USA
| | - Erik A Ehli
- Avera Institute for Human Genetics, Avera McKennan Hospital and University Health Center, Sioux Falls, South Dakota, USA
| | - Gareth E Davies
- Avera Institute for Human Genetics, Avera McKennan Hospital and University Health Center, Sioux Falls, South Dakota, USA
| | - Dorret I Boomsma
- Netherlands Twin Register, Department of Biological Psychology, Vrije Universiteit, Amsterdam, The Netherlands
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7
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Kinder JM, Stelzer IA, Arck PC, Way SS. Immunological implications of pregnancy-induced microchimerism. Nat Rev Immunol 2017; 17:483-494. [PMID: 28480895 PMCID: PMC5532073 DOI: 10.1038/nri.2017.38] [Citation(s) in RCA: 150] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Immunological identity is traditionally defined by genetically encoded antigens, with equal maternal and paternal contributions as a result of Mendelian inheritance. However, vertically transferred maternal cells also persist in individuals at very low levels throughout postnatal development. Reciprocally, mothers are seeded during pregnancy with genetically foreign fetal cells that persist long after parturition. Recent findings suggest that these microchimeric cells expressing non-inherited, familially relevant antigenic traits are not accidental 'souvenirs' of pregnancy, but are purposefully retained within mothers and their offspring to promote genetic fitness by improving the outcome of future pregnancies. In this Review, we discuss the immunological implications, benefits and potential consequences of individuals being constitutively chimeric with a biologically active 'microchiome' of genetically foreign cells.
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Affiliation(s)
- Jeremy M. Kinder
- Division of Infectious Disease and Perinatal Institute, Cincinnati Children’s Hospital. Cincinnati, Ohio 45229 USA
| | - Ina A. Stelzer
- Laboratory for Experimental Feto-Maternal Medicine, Department of Obstetrics and Prenatal Medicine, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Petra C. Arck
- Laboratory for Experimental Feto-Maternal Medicine, Department of Obstetrics and Prenatal Medicine, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Sing Sing Way
- Division of Infectious Disease and Perinatal Institute, Cincinnati Children’s Hospital. Cincinnati, Ohio 45229 USA
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8
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Lipták N, Hoffmann OI, Kerekes A, Iski G, Ernszt D, Kvell K, Hiripi L, Bősze Z. Monitoring of Venus transgenic cell migration during pregnancy in non-transgenic rabbits. Transgenic Res 2017; 26:291-299. [PMID: 27832434 PMCID: PMC5350230 DOI: 10.1007/s11248-016-9994-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Accepted: 10/31/2016] [Indexed: 11/29/2022]
Abstract
Cell transfer between mother and fetus were demonstrated previously in several species which possess haemochorial placenta (e.g. in humans, mice, rats, etc.). Here we report the assessment of fetal and maternal microchimerism in non-transgenic (non-TG) New Zealand white rabbits which were pregnant with transgenic (TG) fetuses and in non-TG newborns of TG does. The TG construct, including the Venus fluorophore cDNA driven by a ubiquitous cytomegalovirus enhancer, chicken ß-actin promoter (CAGGS), was previously integrated into the rabbit genome by Sleeping Beauty transposon system. Three different methods [fluorescence microscopy, flow cytometry and quantitative polymerase chain reaction (QPCR)] were employed to search for TG cells and gene products in blood and other tissues of non-TG rabbits. Venus positive peripheral blood mononuclear cells (PBMCs) were not detected in the blood of non-TG littermates or non-TG does by flow cytometry. Tissue samples (liver, kidney, skeletal and heart muscle) also proved to be Venus negative examined with fluorescence microscopy, while histology sections and PBMCs of TG rabbits showed robust Venus protein expression. In case of genomic DNA (gDNA) sourced from tissue samples of non-TG rabbits, CAGGS promoter-specific fragments could not be amplified by QPCR. Our data showed the lack of detectable cell transfer between TG and non-TG rabbits during gestation.
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Affiliation(s)
- N Lipták
- NARIC-Agricultural Biotechnology Institute, Gödöllő, Hungary.
| | - O I Hoffmann
- NARIC-Agricultural Biotechnology Institute, Gödöllő, Hungary
| | - A Kerekes
- NARIC-Agricultural Biotechnology Institute, Gödöllő, Hungary
| | - G Iski
- NARIC-Agricultural Biotechnology Institute, Gödöllő, Hungary
| | - D Ernszt
- Department of Pharmaceutical Biotechnology, University of Pécs, Pécs, Hungary
| | - K Kvell
- Department of Pharmaceutical Biotechnology, University of Pécs, Pécs, Hungary
| | - L Hiripi
- NARIC-Agricultural Biotechnology Institute, Gödöllő, Hungary
| | - Z Bősze
- NARIC-Agricultural Biotechnology Institute, Gödöllő, Hungary
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9
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Novel insights into the link between fetal cell microchimerism and maternal cancers. J Cancer Res Clin Oncol 2016; 142:1697-704. [PMID: 26746656 DOI: 10.1007/s00432-015-2110-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 12/28/2015] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Fetal cell microchimerism (FCM) is defined as the persistence of fetal cells in the mother for decades after pregnancy without any apparent rejection. Fetal microchimeric cells (fmcs) engraft the maternal bone marrow and are able to migrate through the circulation and to reach tissues. In malignancies, the possible role of fmcs is still controversial, several studies advising a protective and repairing function, and other postulating a beneficial role in the progression of the disease. At the peripheral blood level, FCM is less frequently observed in women with several solid and hematological neoplasia with respect to healthy controls, suggesting a beneficial role in cancer surveillance. At the tissue level, fmcs were documented in neoplastic lesions of thyroid, breast, cervix, lung and melanoma, displaying epithelial, hematopoietic, mesenchymal and endothelial lineage differentiation. Fmcs expressing hematopoietic markers were hypothesized to have a role in the attack to neoplastic cells, whereas those expressing epithelial or mesenchymal antigens could be involved in repair and replacement of damaged cells. On the other hand, fetal cells showing an endothelial phenotype could have a role in tumor evolution and progression. The positive effect of FCM is supported by findings in animal models. CONCLUSIONS This review provides an extensive overview of the link between fetal cell microchimerism and maternal cancers. Moreover, biological mechanisms by which fetal cell microchimerism is believed to modulate the protection against cancer development or tumor progression will be discussed, together with findings in animal models.
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10
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Omidi A, Ragerdi Kashani I, Akbari M, Mortezaee K, Ghasemi S, Beyer C, Zendedel A. Homing of allogeneic nestin-positive hair follicle-associated pluripotent stem cells after maternal transplantation in experimental model of cortical dysplasia. Biochem Cell Biol 2015; 93:619-25. [DOI: 10.1139/bcb-2015-0098] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
An embryo has the capability to accept allo- or xeno-geneic cells, which probably makes it an ideal candidate for stem cell transplantation of various cerebral cortex abnormalities, such as cortical dysplasia. The aim of this study was to determine hair follicle-associated pluripotent (HAP) stem cells homing into various organs of mother and fetus. Cells were obtained, analyzed for immunophenotypic features, and then labelled with CM-Dil; nestin+HAP stem cells or media phosphate-buffered saline (PBS) were intravenously delivered on day 16 of gestation in BALB/c mice, which intraperitoneally received methylazoxymethanol (MAM) one day in advance, and homing was assessed at 24 h after cell injection. Flow cytometry and immunocytochemistry manifested positive expression of nestin in HAP stem cells. For both mother and fetus, brain, lungs, liver, and spleen were the host organs for cell implants. For the brain, the figure was considerably higher in fetus, 4.05 ± 0.5% (p ≤ 0.05 vs. mother). MAM-injected mice had a downward trend for SDF-1α and CXCR4 (p ≤ 0.05 vs. control), but HAP stem cells group showed an upward trend for CXCR4 (p ≤ 0.05 vs. MAM). We conclude the HAP stem cells show homing potential in experimental cortical dysplasia, which may permit these cells to be a target in future work on prenatal therapy of neural disorders.
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Affiliation(s)
- Ameneh Omidi
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, 16 Azar Street, Pour Sina Street, Tehran, Iran
| | - Iraj Ragerdi Kashani
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, 16 Azar Street, Pour Sina Street, Tehran, Iran
| | - Mohammad Akbari
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, 16 Azar Street, Pour Sina Street, Tehran, Iran
| | - Keywan Mortezaee
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, 16 Azar Street, Pour Sina Street, Tehran, Iran
| | - Soudabeh Ghasemi
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, 16 Azar Street, Pour Sina Street, Tehran, Iran
| | - Cordian Beyer
- Institute of Neuroanatomy, School of Medicine, RWTH Aachen University, 52074 Aachen, Germany
| | - Adib Zendedel
- Institute of Neuroanatomy, School of Medicine, RWTH Aachen University, 52074 Aachen, Germany
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11
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Abstract
Fetal microchimerism (FMc) is predicted to promote the fitness of the fetus and maternal microchimerism (MMc) to promote the fitness of the mother. Offspring and mothers benefit from each other's health. Therefore, microchimeric cells should usually not be harmful to their host. However, the evolutionary interests of mothers and offspring diverge when there is competition among siblings for maternal investment. Fetal cells in mothers' bodies could benefit their own offspring at the expense of its sibs by promoting lactogenesis or by extending the interbirth interval. Maternal cells in fetal bodies could benefit from the suppression of sibling rivalry. Non-inherited haplotypes in MMc or sibling microchimerism (SMc) gain no direct benefit from their hosts' health and could be associated with substantial detrimental effects.
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Affiliation(s)
- David Haig
- Department of Organismic and Evolutionary Biology; Harvard University; Cambridge, MA USA
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12
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Yasmin L, Takano JI, Sankai T. Effective use of the TSPY gene-specific copy number in determining fetal DNA in the maternal blood of cynomolgus monkeys. Anim Sci J 2015; 87:1034-40. [PMID: 26420680 DOI: 10.1111/asj.12523] [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: 01/20/2015] [Revised: 06/17/2015] [Accepted: 07/14/2015] [Indexed: 11/30/2022]
Abstract
Since the available concentration of single-copy fetal genes in maternal blood DNA is sometimes lower than detection limits by PCR methods, the development of specific and quantitative PCR detection methods for fetal DNA in maternal blood is anticipated, which may broaden the methods that can be used to monitor pregnancy. We used the TaqMan qPCR amplification for DYS14 multi-copy sequence and the SRY gene in maternal blood plasma (cell-free DNA) and fractional precipitated blood cells (cellular DNA) from individual cynomolgus monkeys at 22 weeks of pregnancy. The availability of cell-free fetal DNA was higher in maternal blood plasma than that of cellular DNA from fractional precipitated blood cells. There was a significantly higher (P < 0.001) mean copy number of fetal male DYS14 from maternal plasma (4.4 × 10(4) copies/mL) than that of detected fetal cellular DNA from fractional blood cell pellets. The sensitivity of the DYS14 PCR assay was found to be higher than that of the SRY assay for the detection of fetal DNA when its presence was at a minimum. The DYS14 assay is an improved method for quantifying male fetal DNA in circulating maternal blood in the primate model.
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Affiliation(s)
- Lubna Yasmin
- Tsukuba Primate Research Center, National Institutes of Biomedical Innovation, Health and Nutrition, Tsukuba, Japan
| | - Jun-Ichiro Takano
- Tsukuba Primate Research Center, National Institutes of Biomedical Innovation, Health and Nutrition, Tsukuba, Japan
| | - Tadashi Sankai
- Tsukuba Primate Research Center, National Institutes of Biomedical Innovation, Health and Nutrition, Tsukuba, Japan
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13
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Bakkour S, Baker CAR, Tarantal AF, Wen L, Busch MP, Lee TH, McCune JM. Analysis of maternal microchimerism in rhesus monkeys (Macaca mulatta) using real-time quantitative PCR amplification of MHC polymorphisms. CHIMERISM 2014; 5:6-15. [PMID: 24451553 DOI: 10.4161/chim.27778] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Although pregnancy-associated microchimerism is known to exist in humans, its clinical significance remains unclear. Fetal microchimerism has been documented in rhesus monkeys, but the trafficking and persistence of maternal cells in the monkey fetus and infant have not been fully explored. To investigate the frequency of maternal microchimerism in the rhesus monkey (Macaca mulatta), a real-time polymerase chain reaction (PCR) strategy was developed and validated to target polymorphic major histocompatibility complex (MHC) gene sequences. Informative PCR assays were identified for 19 of 25 dams and their respective offspring. Analyses were performed on tissues (thymus, liver, spleen, lymph nodes, and bone marrow) and peripheral blood mononuclear cells (PBMCs) collected prenatally and postnatally in a subset of animals. Seven of 19 monkeys had detectable maternal microchimerism in at least one compartment (range: 0.001-1.9% chimeric cells). In tissues, maternal microchimerism was found in 2 of 7 fetuses and 3 of 12 juveniles (1-1.5 years of age), and most of the animals that were positive had microchimeric cells in more than one tissue. Maternal microchimerism was detected in PBMCs from all (4 of 4) fetuses. These observations suggest that maternal microchimerism occurs in the rhesus monkey fetus and can be detected in tissues in a subset of offspring after birth.
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Affiliation(s)
- Sonia Bakkour
- Blood Systems Research Institute; San Francisco, CA USA
| | - Chris A R Baker
- Division of Experimental Medicine; Department of Medicine; University of California San Francisco; San Francisco, CA USA
| | - Alice F Tarantal
- California National Primate Research Center; Departments of Pediatrics and Cell Biology and Human Anatomy; University of California Davis; Davis, CA USA
| | - Li Wen
- Blood Systems Research Institute; San Francisco, CA USA
| | | | - Tzong-Hae Lee
- Blood Systems Research Institute; San Francisco, CA USA
| | - Joseph M McCune
- Division of Experimental Medicine; Department of Medicine; University of California San Francisco; San Francisco, CA USA
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Seppanen E, Fisk NM, Khosrotehrani K. Pregnancy-acquired fetal progenitor cells. J Reprod Immunol 2013; 97:27-35. [PMID: 23432869 DOI: 10.1016/j.jri.2012.08.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2012] [Revised: 08/23/2012] [Accepted: 08/23/2012] [Indexed: 12/11/2022]
Abstract
The transfer and persistence of fetal progenitor cells into the mother throughout pregnancy has sparked considerable interest as a trafficking stem cell and immunological phenomenon. Indeed, the intriguing longevity of semi-allogeneic fetal microchimeric cells (FMC) in parous women raises questions over their potential clinical implications. FMC have been associated with both immune-modulatory roles and participation in maternal tissue repair. Although their influence on maternal health is as yet unresolved, FMC selectively home to damaged maternal tissues and often integrate, adopting site-appropriate phenotypes. FMC features, such as plasticity and persistence in their maternal host, suggest that they likely include pluripotent, or various multipotent and committed stem and progenitor cells. Recent efforts to determine what cell types are involved have established that FMC include cells of ectodermal, endodermal, mesodermal, and perhaps trophectodermal lineages. This review details FMC phenotypes and discusses how FMC themselves may be considered a naturally occurring stem cell therapy.
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Affiliation(s)
- E Seppanen
- UQ Centre for Clinical Research, Herston Campus, University of Queensland, Brisbane, Qld. 4029, Australia
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15
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Tarantal AF, Skarlatos SI. Center for fetal monkey gene transfer for heart, lung, and blood diseases: an NHLBI resource for the gene therapy community. Hum Gene Ther 2012; 23:1130-5. [PMID: 22974119 PMCID: PMC3498881 DOI: 10.1089/hum.2012.178] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2012] [Accepted: 09/12/2012] [Indexed: 12/17/2022] Open
Abstract
The goals of the National Heart, Lung, and Blood Institute (NHLBI) Center for Fetal Monkey Gene Transfer for Heart, Lung, and Blood Diseases are to conduct gene transfer studies in monkeys to evaluate safety and efficiency; and to provide NHLBI-supported investigators with expertise, resources, and services to actively pursue gene transfer approaches in monkeys in their research programs. NHLBI-supported projects span investigators throughout the United States and have addressed novel approaches to gene delivery; "proof-of-principle"; assessed whether findings in small-animal models could be demonstrated in a primate species; or were conducted to enable new grant or IND submissions. The Center for Fetal Monkey Gene Transfer for Heart, Lung, and Blood Diseases successfully aids the gene therapy community in addressing regulatory barriers, and serves as an effective vehicle for advancing the field.
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Affiliation(s)
- Alice F Tarantal
- Center for Fetal Monkey Gene Transfer for Heart, Lung, and Blood Diseases, University of California, Davis, 95616, USA.
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Reproductive traits of polycystic ovary syndrome in female rhesus monkeys. DONG WU XUE YAN JIU = ZOOLOGICAL RESEARCH 2012; 33:37-42. [PMID: 22345006 DOI: 10.3724/sp.j.1141.2012.01037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The objective of this study was to set up a rhesus monkey model of polycystic ovary syndrome (PCOS), which is globally prevalent among reproductive-aged human women, and to understand the reproductive traits of PCOS female monkeys. Six adult female rhesus monkeys aged 6-10 a, were divided into a PCOS group and a control group. The PCOS group were given two cycles of subcutaneous injections of propionic acid testosterone (PAT), 3.5 mg/kg body weight, on day 1, day 3, and day 5 of the menstrual cycle, respectively, and then given muscle injections of human chorionic gonadotropin (HCG), 350 IU/kg body weight, on day 7, day 9, and day 11, respectively. Results showed that high levels of serum LH and T [(5.35±0.17) IU/L and (7.58±0.14) ng/mL, respectively], and a high ratio value of LH/FSH (5.35/1.30=4.12) were observed in the PCOS group. No significant differences were found in serum FSH, E2, and P in the PCOS group compared with those of the control. Polycystic ovaries in the PCOS monkeys were recorded by live ultrasound. The blastocysts rates of the PCOS vs. the control were 23.53% vs. 66.67%, and there was a significant difference between the two groups. This study shows that PAT coupled with HCG can induce PCOS in rhesus monkeys in the short term. The reproductive features of PCOS monkeys were similar to those of PCOS patients.
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Samura O. [Fetal microchimerism and autoimmune disease]. NIHON RINSHO MEN'EKI GAKKAI KAISHI = JAPANESE JOURNAL OF CLINICAL IMMUNOLOGY 2011; 33:293-303. [PMID: 21212581 DOI: 10.2177/jsci.33.293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Microchimerism is defined by the presence of circulating cells, bi-directionally transferred from one genetically distinct individual to another. The acquisition and persistence of fetal cell microchimerism, small numbers of genetically disparate cells from the fetus in the mother, is now a well-recognized consequence of normal pregnancy. Some of the autoimmune diseases that show a predilection for women in their child-bearing years and beyond are linked to fetal microchimerism from previous pregnancies. Microchimerism has been investigated in different autoimmune disorders, such as systemic sclerosis, systemic lupus erythematosus, autoimmune thyroid diseases, and primary biliary cirrhosis. Recent data have demonstrated the promising role of microchimeric cells in the maternal response to tissue injuries by differentiating into many lineages. Therefore, further understanding of fetal-maternal microchimerism may help in anticipating its implications in disease as well as in more general women's health issues.
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Affiliation(s)
- Osamu Samura
- Department of Obstetrics and Gynecology, NHO Kure Medical Center and Chugoku Cancer Center, Kure, Japan
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Bou-Gharios G, Amin F, Hill P, Nakamura H, Maxwell P, Fisk NM. Microchimeric Fetal Cells Are Recruited to Maternal Kidney following Injury and Activate Collagen Type I Transcription. Cells Tissues Organs 2011; 193:379-92. [DOI: 10.1159/000321172] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/27/2010] [Indexed: 01/15/2023] Open
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Lee ESM, Bou-Gharios G, Seppanen E, Khosrotehrani K, Fisk NM. Fetal stem cell microchimerism: natural-born healers or killers? Mol Hum Reprod 2010; 16:869-78. [PMID: 20663958 DOI: 10.1093/molehr/gaq067] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Affiliation(s)
- Eddy S M Lee
- University of Queensland Centre for Clinical Research, University of Queensland, Herston campus, Brisbane 4029, Australia
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20
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Gammill HS, Nelson JL. Naturally acquired microchimerism. THE INTERNATIONAL JOURNAL OF DEVELOPMENTAL BIOLOGY 2010; 54:531-43. [PMID: 19924635 DOI: 10.1387/ijdb.082767hg] [Citation(s) in RCA: 91] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Bi-directional transplacental trafficking occurs routinely during the course of normal pregnancy, from fetus to mother and from mother to fetus. In addition to a variety of cell-free substances, it is now well recognized that some cells are also exchanged. Microchimerism refers to a small number of cells (or DNA) harbored by one individual that originated in a genetically different individual. While microchimerism can be the result of iatrogenic interventions such as transplantation or transfusion, by far the most common source is naturally acquired microchimerism from maternal-fetal trafficking during pregnancy. Microchimerism is a subject of much current interest for a number of reasons. During pregnancy, fetal microchimerism can be sought from the mothers blood for the purpose of prenatal diagnosis. Moreover, studies of fetal microchimerism during pregnancy may offer insight into complications of pregnancy, such as preeclampsia, as well as insights into the pathogenesis of autoimmune diseases such as rheumatoid arthritis which usually ameliorates during pregnancy. Furthermore, it is now known that microchimerism persists decades later, both fetal microchimerism in women who have been pregnant and maternal microchimerism in her progeny. Investigation of the long-term consequences of fetal and maternal microchimerism is another exciting frontier of active study, with initial results pointing both to adverse and beneficial effects. This review will provide an overview of microchimerism during pregnancy and of current knowledge regarding long-term effects of naturally acquired fetal and maternal microchimerism.
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Affiliation(s)
- Hilary S Gammill
- Department of Clinical Research, Fred Hutchinson Cancer Research Center, University of Washington, Seattle, Washington, USA.
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Abstract
BACKGROUND Thyroid gland development and function are essential for life, and recent findings indicate the presence of stem/progenitor cells within the thyroid gland as a potential source of tissue regeneration and cancer formation. SUMMARY This review summarizes the current knowledge on early differentiation of thyroid cells from embryonic stem cells and highlights exciting concepts and recent novel findings on adult thyroid stem/progenitor cells in the normal thyroid gland and in thyroid cancer. Other potential sources and markers of stem/progenitor cells in the thyroid include bone marrow, microchimerism, and embryological remnant-derived multifocal solid cell nests. Finally, we discuss new therapeutic strategies that target thyroid cancer stem cells. CONCLUSIONS Thyroid stem/progenitor cell populations are present in the normal and diseased thyroid gland. Advances in normal and cancer thyroid stem cell biology will be essential for future targeted therapies.
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Affiliation(s)
- Thomas Klonisch
- Department of Human Anatomy and Cell Science, Faculty of Medicine, University of Manitoba , Winnipeg, Canada.
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22
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Abbott DH, Tarantal AF, Dumesic DA. Fetal, infant, adolescent and adult phenotypes of polycystic ovary syndrome in prenatally androgenized female rhesus monkeys. Am J Primatol 2009; 71:776-84. [PMID: 19367587 DOI: 10.1002/ajp.20679] [Citation(s) in RCA: 130] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Old World monkeys provide naturally occurring and experimentally induced phenotypes closely resembling the highly prevalent polycystic ovary syndrome (PCOS) in women. In particular, experimentally induced fetal androgen excess in female rhesus monkeys produces a comprehensive adult PCOS-like phenotype that includes both reproductive and metabolic dysfunction found in PCOS women. Such a reliable experimental approach enables the use of the prenatally androgenized (PA) female rhesus monkey model to (1) examine fetal, infant and adolescent antecedents of adult pathophysiology, gaining valuable insight into early phenotypic expression of PCOS, and (2) to understand adult pathophysiology from a mechanistic perspective. Elevated circulating luteinizing hormone (LH) levels are the earliest indication of reproductive dysfunction in late gestation nonhuman primate fetuses and infants exposed to androgen excess during early (late first to second trimester) gestation. Such early gestation-exposed PA infants also are hyperandrogenic, with both LH hypersecretion and hyperandrogenism persisting in early gestation-exposed PA adults. Similarly, subtle metabolic abnormalities appearing in young nonhuman primate infants and adolescents precede the abdominal adiposity, hyperliplidemia and increased incidence of type 2 diabetes that characterize early gestation-exposed PA adults. These new insights into the developmental origins of PCOS, and progression of the pathophysiology from infancy to adulthood, provide opportunities for clinical intervention to ameliorate the PCOS phenotype thus providing a preventive health-care approach to PCOS-related abnormalities. For example, PCOS-like traits in PA monkeys, as in PCOS women, can improve with better insulin-glucose homeostasis, suggesting that lifestyle interventions preventing increased adiposity in adolescent daughters of PCOS mothers also may reduce their risk of acquiring many PCOS-related metabolic abnormalities in adulthood.
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Affiliation(s)
- David H Abbott
- Wisconsin National Primate Research Center, University of Wisconsin, Madison, Wisconsin 53715, USA.
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23
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Klonisch T, Drouin R. Fetal-maternal exchange of multipotent stem/progenitor cells: microchimerism in diagnosis and disease. Trends Mol Med 2009; 15:510-8. [PMID: 19828378 DOI: 10.1016/j.molmed.2009.09.002] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2009] [Revised: 09/03/2009] [Accepted: 09/03/2009] [Indexed: 12/17/2022]
Abstract
The biological concept of microchimerism, the bidirectional trafficking and stable long-term persistence of small numbers of allogeneic (fetal and maternal) cells in a genetically different organ, has gained considerable attention. Microchimerism is a common phenomenon in many species, including humans, and microchimeric cells can modify immunological recognition or tolerance, affect the course and outcome of various diseases and demonstrate stem cell-like or regenerative potential. Here, we review current knowledge of the biology of microchimerism and show how long-term allogeneic co-existence within an organism can impact on existing paradigms in chronic disease, cancer biology, regenerative medicine and fetal-maternal immunology. We discuss diagnostic challenges, clinical applications and future research directions in this exciting and rapidly emerging field of allogeneic fetal-maternal cell exchange.
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Affiliation(s)
- Thomas Klonisch
- Departments of Human Anatomy and Cell Science, University of Manitoba, Winnipeg, MB, Canada.
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Johnson KL, Tao K, Stroh H, Kallenbach L, Peter I, Richey L, Rust D, Bianchi DW. Increased fetal cell trafficking in murine lung following complete pregnancy loss from exposure to lipopolysaccharide. Fertil Steril 2009; 93:1718-1721.e2. [PMID: 19815193 DOI: 10.1016/j.fertnstert.2009.08.042] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2009] [Revised: 08/11/2009] [Accepted: 08/13/2009] [Indexed: 11/19/2022]
Abstract
To determine whether chemically induced miscarriage affects fetomaternal trafficking in a mouse model, we measured the amount of fetal DNA present in various maternal organs by polymerase chain reaction amplification following exposure to lipopolysaccharide (LPS). As the frequency of fetal cells and the number of animals with detectable microchimerism following LPS injection were significantly increased, particularly in lung tissue compared to controls, with no signs of an inflammatory response, we conclude that LPS-induced miscarriage results in increased murine fetomaternal cell trafficking, supporting a relationship between fetal loss and the establishment of fetal cell microchimerism.
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Affiliation(s)
- Kirby L Johnson
- Division of Genetics, Department of Pediatrics, Floating Hospital for Children at Tufts Medical Center, 800 Washington Street, Box 394, Boston, MA 02111, USA.
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Leduc M, Aractingi S, Khosrotehrani K. Fetal-cell microchimerism, lymphopoiesis, and autoimmunity. Arch Immunol Ther Exp (Warsz) 2009; 57:325-9. [PMID: 19707719 DOI: 10.1007/s00005-009-0044-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2009] [Accepted: 03/16/2009] [Indexed: 11/28/2022]
Abstract
During all human and murine pregnancies, fetal cells enter the maternal circulation and tissues and may persist there for decades. The immune consequences of this phenomenon have been explored for many years as a potential origin of autoimmunity or protection from cancer in women after pregnancy. The leading hypothesis, suggesting that semi-allogenic fetal T cells may trigger a graft-versus-host type of disease, has been supported by several studies showing an increased frequency of fetal-cell microchimerism (FMc) in women affected with systemic sclerosis. However, a large proportion of healthy women or women affected with non-immune disorders also display fetal T cells, challenging the direct pathogenic role of such cells. In addition, recent evidence showing the transfer of various fetal progenitor cells to the mother during gestation has shed new light on the interpretation of microchimerism in autoimmunity. This review discusses the functional capacity of fetal hematopoietic progenitors to form T and B cells in maternal hematopoietic tissues, where they undergo an educational process probably resulting in tolerance to maternal antigens. Therefore, hypotheses other than the transfer of fetal cells to the mother's circulation should be considered in explaining the observed association of FMc and autoimmune disorders.
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Affiliation(s)
- Michele Leduc
- Université Pierre et Marie Curie, Paris VI, Paris, France
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26
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Parant O, Dubernard G, Challier JC, Oster M, Uzan S, Aractingi S, Khosrotehrani K. CD34+ cells in maternal placental blood are mainly fetal in origin and express endothelial markers. J Transl Med 2009; 89:915-23. [PMID: 19488036 DOI: 10.1038/labinvest.2009.55] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Fetal CD34+ cells enter the maternal circulation during pregnancy and may persist for decades. These cells are usually depicted as hematopoietic stem/progenitor cells. Our objective was to further determine the phenotype of fetal chimeric CD34+ cells in placental maternal blood from the intervillous space (IVS). Human healthy term placentas were analyzed (n=9). All fetuses were male. CD34+ cells were identified in the IVS and further characterized as fetal or maternal using X and Y chromosome fluorescence in situ hybridization. The phenotype of fetal cells was further analyzed using anti-CD117 (c-kit), anti-CD133, anti-CD31, anti-von Willebrand factor (vWF), anti-vimentin, anti-CD45 and anti-cytokeratin (CK) antibodies. We used preeclamptic placentas of male (n=3) and healthy placentas of female fetuses (n=3) as controls. As expected fetal cells were easily identified in the IVS and significantly increased in cases of preeclampsia. Most CD34+ cells in the IVS were of fetal origin (90%) and were not surrounded by CK staining further showing that they were not in fetal trophoblastic villi. Similarly, about 40% of CD31+ and 6% of vimentin+ cells in the IVS were fetal in origin. No CD117+ or CD133+ fetal cells were found in the IVS of examined placentas. Besides, all the CD34+ cells identified in the IVS were co-labeled with vWF or CD31, suggesting their endothelial origin. These results suggest that most CD34+ cells in maternal placental blood at term are fetal in origin from endothelial and not hematopoietic lineages.
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Affiliation(s)
- Olivier Parant
- UPMC Univ Paris 6, Laboratoire de Physiopathologie du Développement, EA 4053, Paris, France
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Fugazzola L, Cirello V, Beck-Peccoz P. Fetal cell microchimerism in human cancers. Cancer Lett 2009; 287:136-41. [PMID: 19541407 DOI: 10.1016/j.canlet.2009.05.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2009] [Revised: 05/14/2009] [Accepted: 05/15/2009] [Indexed: 11/30/2022]
Abstract
The transfer of fetal cells into the maternal circulation occurs normally during pregnancy and the post-partum persistence of these cells in the maternal blood and tissues, known as fetal cell microchimerism, has been clearly demonstrated. However, the long-term consequences of this phenomenon are only beginning to be appreciated. In particular, whether microchimerism could be involved in the carcinogenetic process or whether fetal microchimeric cells could be able to differentiate in host tissues, participating in the maternal response to injury, is still matter of study. In this review, the possible role and the consequences of fetal cell microchimerism, as emerged from studies in animal models and in women with different types of cancer, will be presented.
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Affiliation(s)
- Laura Fugazzola
- Department of Medical Sciences, University of Milan and Endocrine Unit, Fondazione Policlinico IRCCS, Milan, Italy.
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Coata G, Picchiassi E, Centra M, Fanetti A, Maulà V, Benedetto C, Di Renzo GC. Persistence of male hematopoietic CD34+ cells in the circulation of women does not affect prenatal diagnostic techniques. Am J Obstet Gynecol 2009; 200:528.e1-7. [PMID: 19285653 DOI: 10.1016/j.ajog.2008.12.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2008] [Revised: 08/07/2008] [Accepted: 12/05/2008] [Indexed: 11/29/2022]
Abstract
OBJECTIVE We aimed to verify whether fetal microchimerism, because of persisting fetal hematopoietic CD34(+) cells from previous pregnancies, could interfere with the development of genetic tests based on using these cells, isolated from maternal blood for the diagnosis of fetal aneuploidies. STUDY DESIGN CD34(+) cells, isolated from blood of parous women with at least 1 son and nulliparous women, were analyzed by using qualitative polymerase chain reaction (PCR), quantitative PCR, and fluorescence in situ hybridization (FISH) to establish whether these molecular techniques are concurrently capable of detecting circulating male DNA. RESULTS By qualitative PCR, male DNA was found both in parous and nulliparous women, whereas by quantitative PCR and FISH analyses, no male DNA or male nuclei were revealed except in 1 cultured CD34(+) sample from a nulliparous woman. CONCLUSION Fetal hematopoietic CD34(+) cells can be used in the noninvasive prenatal testing of fetal aneuploidies because the presence of fetal microchimerism does not affect fetal diagnosis in current pregnancies.
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Affiliation(s)
- Giuliana Coata
- Department of Obstetrics and Gynecology, University Hospital, Perugia, Italy.
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Fujiki Y, Johnson KL, Peter I, Tighiouart H, Bianchi DW. Fetal cells in the pregnant mouse are diverse and express a variety of progenitor and differentiated cell markers. Biol Reprod 2009; 81:26-32. [PMID: 19279322 DOI: 10.1095/biolreprod.108.074468] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
To better understand fetomaternal cell trafficking during pregnancy, we used a mouse model to determine the cell surface markers expressed on fetal cells, based on the hypothesis that fetal progenitor cells have the capacity to repair maternal organs, whereas more differentiated cells might initiate graft versus host disease. Wild-type females were mated to either homozygous or hemizygous transgenic males and euthanized in the peripartum period. Using dual color flow cytometry, we analyzed fetal transgene positive cells for the presence of nine markers (ITGAM, ITGB1, PECAM, CD34, CD44, PTPRC, ENG, SLAMF1, and CXCR4) to begin to identify the phenotype and degree of differentiation of fetal cells in nine maternal organs (lung, liver, spleen, blood, bone marrow, kidney, heart, thymus, and brain). Fetal cells were found in all maternal organs following either type of mating, albeit always at a higher frequency following mating with homozygous males. Some organs (e.g., lung and liver) had a wide variety of fetal cell markers present, while other organs (e.g., bone marrow and spleen) had a skewed distribution of fetal cell markers. Fetal cells in the murine pregnant female are diverse. Our results suggest that the fetal cells comprise a mixed population of progenitor and differentiated cells, with different relative proportions in different maternal organs. Future studies will address whether fetal cells cross the placental barrier in a differentiated state or as a homogenous population and subsequently differentiate in target maternal organs.
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Affiliation(s)
- Yutaka Fujiki
- Division of Genetics, Department of Pediatrics, Floating Hospital for Children at Tufts Medical Center, Boston, Massachusetts 02111, USA
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Huang J, Lee CCI, Sutcliffe JL, Cherry SR, Tarantal AF. Radiolabeling rhesus monkey CD34+ hematopoietic and mesenchymal stem cells with 64Cu-pyruvaldehyde-bis(N4-methylthiosemicarbazone) for microPET imaging. Mol Imaging 2008. [PMID: 18384718 DOI: 10.2310/7290.2008.00001] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Noninvasive positron emission tomography (PET) provides a potential method for in vivo tracking of radiolabeled cells. The goal of this study was to assess the potential toxicity of 64Cu-pyruvaldehyde-bis(N4-methylthiosemicarbazone) (PTSM) on rhesus monkey CD34+ hematopoietic and mesenchymal stem cells in vitro in preparation for developing imaging protocols posttransplantation. CD34+ hematopoietic cells were radiolabeled with 0 to 40 microCi/mL 64Cu-PTSM and viability and colony formation were assessed. Rhesus monkey mesenchymal stem cells (rhMSCs) were placed in culture postradiolabeling for assessments of growth and differentiation toward adipogenic, osteogenic, and chondrogenic lineages. The results indicated that CD34+ cells radiolabeled with 20 microCi/mL and rhMSCs radiolabeled with 10 microCi/mL 64Cu-PTSM did not result in adverse effects on growth or differentiation. Nonradioactive copper was also evaluated and showed that the presence of copper was not harmful to the cells. CD34+ cells and rhMSCs radiolabeled with the optimized concentrations of 20 and 10 microCi/mL, respectively, were also assessed using the microPET scanner. Studies showed that a minimum of 2.50x10(4) CD34+ cells (1.1 pCi/cell) and 6.25x10(3) rhMSCs (4.4 pCi/cell) could be detected. These studies indicate that CD34+ hematopoietic cells and rhMSCs can be safely radiolabeled with 64Cu-PTSM without adverse cellular effects.
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Affiliation(s)
- Joanne Huang
- Center of Excellence in Translational Human Stem Cell Research, Department of Biomedical Engineering, College of Engineering, School of Medicine, University of California, Davis, CA 95616-8542, USA
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Fujiki Y, Johnson KL, Tighiouart H, Peter I, Bianchi DW. Fetomaternal trafficking in the mouse increases as delivery approaches and is highest in the maternal lung. Biol Reprod 2008; 79:841-8. [PMID: 18633138 DOI: 10.1095/biolreprod.108.068973] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
The purpose of the study was to understand in more detail the natural history of fetomaternal cell trafficking in healthy pregnant mice. Our goal was to identify the best target organs and days during pregnancy for further mechanistic studies of the role of fetal cells in maternal disease and injury. C57BL/6J wild-type virgin females (n = 54) were mated with congenic enhanced green fluorescent protein (EGFP) transgenic males. During pregnancy and after delivery, female mice were euthanized, and eight organs and blood were analyzed for the presence of fetal GFP+ cells with flow cytometry and real-time quantitative PCR. Maternal lungs, liver, and spleen were also analyzed by fluorescent stereomicroscopy. Fetal GFP+ cells were first found at low frequency at Embryonic Day 11, increased to a maximum at Embryonic Day 19, and decreased rapidly postpartum. These fetal cell dynamics were significantly reproducible among all mice studied. In addition, there was a consistent distribution of fetal cells within maternal organs, with lung, liver, blood, and spleen having the greatest concentrations; these were highly correlated at all time points (P < 0.0001). Maternal lung contained 10- to 100-fold more fetal cells than any other organ, and using all three techniques, the number of fetal cells detected was the most consistent and reproducible in this organ. Stereomicroscopy showed that within the lung, fetal cells were widely and apparently randomly distributed. Using a murine model, our data demonstrate that fetomaternal cellular trafficking occurs in reproducible patterns, is maximal near term delivery, and has predilection for the maternal lung.
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Affiliation(s)
- Yutaka Fujiki
- Department of Pediatrics, Floating Hospital for Children at Tufts Medical Center, Boston, Massachusetts 02111, USA
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Tissue-specific restriction of cyclophilin A-independent HIV-1- and SIV-derived lentiviral vectors. Gene Ther 2008; 15:1079-89. [DOI: 10.1038/gt.2008.50] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Ma X, Hibbert B, White D, Seymour R, Whitman SC, O'Brien ER. Contribution of recipient-derived cells in allograft neointima formation and the response to stent implantation. PLoS One 2008; 3:e1894. [PMID: 18365026 PMCID: PMC2267220 DOI: 10.1371/journal.pone.0001894] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2008] [Accepted: 02/25/2008] [Indexed: 12/04/2022] Open
Abstract
Allograft coronary disease is the dominant cause of increased risk of death after cardiac transplantation. While the percutaneous insertion of stents is the most efficacious revascularization strategy for allograft coronary disease there is a high incidence of stent renarrowing. We developed a novel rabbit model of sex-mismatched allograft vascular disease as well as the response to stent implantation. In situ hybridization for the Y-chromosome was employed to detect male cells in the neointima of stented allograft, and the population of recipient derived neointimal cells was measured by quantitative polymerase chain reaction and characterized by immunohistochemistry. To demonstrate the participation of circulatory derived cells in stent neointima formation we infused ex vivo labeled peripheral blood mononuclear cells into native rabbit carotid arteries immediately after stenting. Fourteen days after stenting the neointima area was 58% greater in the stented vs. non-stented allograft segments (p = 0.02). Male cells were detected in the neointima of stented female-to-male allografts. Recipient-derived cells constituted 72.1±5.7% and 81.5±4.2% of neointimal cell population in the non-stented and stented segments, respectively and the corresponding proliferation rates were only 2.7±0.5% and 2.3±0.2%. Some of the recipient-derived neointimal cells were of endothelial lineage. The ex vivo tagged cells constituted 9.0±0.4% of the cells per high power field in the stent neointima 14 days after stenting. These experiments provide important quantitative data regarding the degree to which host-derived blood-borne cells contribute to neointima formation in allograft vasculopathy and the early response to stent implantation.
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Affiliation(s)
- Xiaoli Ma
- Vascular Biology Laboratory, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
| | - Benjamin Hibbert
- Vascular Biology Laboratory, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
| | - Dawn White
- Vascular Biology Laboratory, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
| | - Richard Seymour
- Vascular Biology Laboratory, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
| | - Stewart C. Whitman
- Vascular Biology Laboratory, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
| | - Edward R. O'Brien
- Vascular Biology Laboratory, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
- * E-mail:
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Khosrotehrani K, Leduc M, Bachy V, Nguyen Huu S, Oster M, Abbas A, Uzan S, Aractingi S. Pregnancy allows the transfer and differentiation of fetal lymphoid progenitors into functional T and B cells in mothers. THE JOURNAL OF IMMUNOLOGY 2008; 180:889-97. [PMID: 18178828 DOI: 10.4049/jimmunol.180.2.889] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
T lymphocytes of fetal origin found in maternal circulation after gestation have been reported as a possible cause for autoimmune diseases. During gestation, mothers acquire CD34+CD38+ cells of fetal origin that persist decades. In this study, we asked whether fetal T and B cells could develop from these progenitors in the maternal thymus and bone marrow during and after gestation. RAG-/--deficient female mice (Ly5.2) were mated to congenic wild-type Ly5.1 mice (RAG+/+). Fetal double-positive T cells (CD4+CD8+) with characteristic TCR and IL-7R expression patterns could be recovered in maternal thymus during the resulting pregnancies. We made similar observations in the thymus of immunocompetent mothers. Such phenomenon was observed overall in 12 of 68 tested mice compared with 0 of 51 controls (p=0.001). T cells could also be found in maternal spleen and produced IFN-gamma in the presence of an allogenic or an Ag-specific stimulus. Similarly, CD19+IgM+ fetal B cells as well as plasma Igs could be found in maternal RAG-/- bone marrow and spleen after similar matings. Our results suggest that during gestation mothers acquire fetal lymphoid progenitors that develop into functional T cells. This fetal cell microchimerism may have a direct impact on maternal health.
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Affiliation(s)
- Kiarash Khosrotehrani
- Université Pierre et Marie Curie, Paris VI, EA4053, and Assistance Publique-Hôpitaux de Paris, France.
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Lapaire O, Hösli I, Zanetti-Daellenbach R, Huang D, Jaeggi C, Gatfield-Mergenthaler S, Hahn S, Holzgreve W. Impact of fetal-maternal microchimerism on women's health--a review. J Matern Fetal Neonatal Med 2007; 20:1-5. [PMID: 17437192 DOI: 10.1080/14767050601144834] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Microchimerism is defined by the presence of circulating cells, bi-directionally transferred from one genetically distinct individual to another. It occurs either physiologically during pregnancy, or iatrogenically after blood transfusion and organ transplants. The migrated cells may persist for decades. Much controversy exists around the role of microchimeric cells in the pathogenesis of various diseases and around their role in tissue repair. Microchimerism has been investigated in different autoimmune disorders, such as systemic sclerosis, systemic lupus erythematosus, autoimmune thyroid diseases, primary biliary cirrhosis and juvenile inflammatory myopathies. Recent data have demonstrated the promising role of microchimeric cells in the maternal response to tissue injuries by differentiating into many lineages. Therefore, further understanding of fetal-maternal microchimerism may help in anticipating its implications in disease as well as in more general women's health issues.
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Affiliation(s)
- Olav Lapaire
- Department of Obstetrics and Gynecology, University of Basel, Switzerland.
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Nguyen Huu S, Dubernard G, Aractingi S, Khosrotehrani K. Feto-maternal cell trafficking: a transfer of pregnancy associated progenitor cells. ACTA ACUST UNITED AC 2007; 2:111-6. [PMID: 17237549 DOI: 10.1007/s12015-006-0017-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/1999] [Revised: 11/30/1999] [Accepted: 11/30/1999] [Indexed: 01/07/2023]
Abstract
The embryonic and fetal development in the maternal uterine environment implies that different population of fetal progenitors must be in close contact to the maternal tissues. Accordingly, fetal mesenchymal and hematopoietic stem and progenitor cells have been described in the placenta and the fetal blood. Seeding in the maternal circulation, fetal progenitor cells can be detected in the circulation of pregnant women during most pregnancies. Decades after delivery, fetal CD34+ or mesenchymal stem cells are still detectable in maternal circulation or bone marrow. Recent studies point to the possibility for fetal progenitor cells persisting after pregnancy to home to maternal injured tissue and to adopt various phenotypes. Fetal cells in various maternal tissues can express epithelial, hepatocytic, hematopoietic, renal, cardiomyocytic, glial, or neuronal markers in human as well as mouse models. This apparent multipotency has been attributed to a fetal population of stem/progenitor cells acquired by the mother during pregnancy, named the pregnancy-associated progenitor cells. We will discuss the possible origins of this cell population and review the most recent data suggesting that these fetal microchimeric cells may participate in maternal tissue regeneration processes.
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Affiliation(s)
- Sau Nguyen Huu
- Université Pierre et Marie Curie-Paris6, EA 4053, Laboratoire de physiopathologie du développement; AP-HP, Hôpital Tenon, Service de Dermatologie, 75020F, Paris, France
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Nguyen Huu S, Oster M, Uzan S, Chareyre F, Aractingi S, Khosrotehrani K. Maternal neoangiogenesis during pregnancy partly derives from fetal endothelial progenitor cells. Proc Natl Acad Sci U S A 2007; 104:1871-6. [PMID: 17267612 PMCID: PMC1794298 DOI: 10.1073/pnas.0606490104] [Citation(s) in RCA: 78] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Fetal progenitor cells enter the maternal circulation during pregnancy and can persist for decades. We aimed to determine the role of these cells in tissue inflammation during pregnancy. WT female mice were mated to males transgenic for the EGFP (ubiquitous) or the luciferase gene controlled by the VEGF receptor 2 (VEGFR2; V-Luc) promoter. A contact hypersensitivity reaction was triggered during such pregnancies. Fetal cells were tracked by using real-time quantitative amplification of the transgene (real-time PCR), Y chromosome in situ hybridization (FISH), immunofluorescence or in vivo bioluminescence imaging. Real-time PCR disclosed fetal cells in the inflamed areas in all tested mice (17/17) with higher frequency and numbers in the inflamed compared with the control areas (P = 0.01). Double labeling demonstrated CD31+ EGFP+ fetal cells organized as blood vessels. In WT pregnant mice bearing V-Luc fetuses, a specific luciferase activity signal could be detected at the hypersensitivity site only, demonstrating the elective presence of VEGFR2-expressing fetal cells. In conclusion, using various techniques, we found the presence of fetal endothelial cells lining blood vessels in maternal sites of inflammation. These results imply that fetal endothelial progenitor cells are acquired by the mother and participate in maternal angiogenesis during pregnancy.
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Affiliation(s)
- Sau Nguyen Huu
- *Université Pierre et Marie Curie-Paris 6, EA 4053, Laboratoire de Physiopathologie du Développement, 27 Rue de Chaligny, 75012 Paris, France; and
| | - Michèle Oster
- *Université Pierre et Marie Curie-Paris 6, EA 4053, Laboratoire de Physiopathologie du Développement, 27 Rue de Chaligny, 75012 Paris, France; and
| | - Serge Uzan
- *Université Pierre et Marie Curie-Paris 6, EA 4053, Laboratoire de Physiopathologie du Développement, 27 Rue de Chaligny, 75012 Paris, France; and
| | - Fabrice Chareyre
- Centre d'Etude du Polymorphisme Humain (CEPH), Institut National de la Santé et de la Recherche Médicale, U674 Laboratoire de Génomique Fonctionnelle des Tumeurs Solides, and
| | - Sélim Aractingi
- *Université Pierre et Marie Curie-Paris 6, EA 4053, Laboratoire de Physiopathologie du Développement, 27 Rue de Chaligny, 75012 Paris, France; and
- Assistance Publique–Hôpitaux de Paris, Hôpital Tenon, Service de Dermatologie, 4 Rue de la Chine, 75020 Paris, France
| | - Kiarash Khosrotehrani
- *Université Pierre et Marie Curie-Paris 6, EA 4053, Laboratoire de Physiopathologie du Développement, 27 Rue de Chaligny, 75012 Paris, France; and
- Assistance Publique–Hôpitaux de Paris, Hôpital Tenon, Service de Dermatologie, 4 Rue de la Chine, 75020 Paris, France
- To whom correspondence should be addressed. E-mail:
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Kahl CA, Tarantal AF, Lee CI, Jimenez DF, Choi C, Pepper K, Petersen D, Fletcher MD, Leapley AC, Fisher J, Burns TS, Ultsch MN, Dorey FJ, Kohn DB. Effects of busulfan dose escalation on engraftment of infant rhesus monkey hematopoietic stem cells after gene marking by a lentiviral vector. Exp Hematol 2006; 34:369-81. [PMID: 16543071 DOI: 10.1016/j.exphem.2005.12.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2005] [Revised: 12/02/2005] [Accepted: 12/06/2005] [Indexed: 01/13/2023]
Abstract
OBJECTIVE Non-myeloablative cytoreduction is used in clinical hematopoietic stem cell gene therapy trials to increase engraftment of gene-modified cells. We utilized an infant rhesus monkey model to identify an optimal dosage of busulfan that results in efficient long-term gene marking with minimal toxicities. METHODS Bone marrow (BM) was harvested, followed by a single 2-hour intravenous infusion of busulfan at escalating dosages of 0 to 160 mg/m(2). CD34(+) cells were immunoselected from BM, transduced overnight with a simian immunodeficiency virus-based lentiviral vector carrying a non-expressed marker gene, and injected intravenously 48 hours post-busulfan administration. Pharmacokinetics were assessed, as well as adverse effects and peripheral blood and BM gene marking. RESULTS Increasing dosages of busulfan resulted in increased area-under-the-curve (AUC) with some variability at each dosage level, suggesting interindividual variation in clearance. Blood chemistries were normal and no adverse effects were observed as a result of busulfan infusion. At 120 and 160 mg/m(2), transient neutropenia and thrombocytopenia were noted but not lymphopenia. Over the 6 months of study posttransplantation, a busulfan dosage-related increase in gene marking was observed ranging from undetectable (no busulfan) up to 0.1% gene-containing cells in animals achieving the highest busulfan AUC. This corresponds to a more than 100-fold increase in gene marking over the busulfan dosage range studied. CONCLUSIONS These data indicate that increased gene marking of hematopoietic stem cells can be achieved by escalating busulfan dosages from 40 to 160 mg/m(2) without significant toxicity in infant nonhuman primates.
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Affiliation(s)
- Christoph A Kahl
- Division of Research Immunology/Bone Marrow Transplantation, The Saban Research Institute of Childrens Hospital Los Angeles, CA 90027, USA
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Tarantal AF, McDonald RJ, Jimenez DF, Lee CCI, O'Shea CE, Leapley AC, Won RH, Plopper CG, Lutzko C, Kohn DB. Intrapulmonary and intramyocardial gene transfer in rhesus monkeys (Macaca mulatta): safety and efficiency of HIV-1-derived lentiviral vectors for fetal gene delivery. Mol Ther 2006; 12:87-98. [PMID: 15963924 DOI: 10.1016/j.ymthe.2005.01.019] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2004] [Revised: 01/02/2005] [Accepted: 01/26/2005] [Indexed: 01/29/2023] Open
Abstract
Fetal gene transfer was studied using intrapulmonary and intramyocardial transfer of SIN HIV-1-derived lentiviral vectors expressing EGFP in rhesus monkeys. Fetuses were monitored sonographically during gestation and tissue analyses performed at term or 3 months postnatal age. Animals remained healthy during the study period as evidenced by normal growth, development, hematology, clinical chemistry, echocardiography, and pulmonary function tests. Strong pulmonary fluorescence was observed postnatally after fetal intrapulmonary delivery of lenti-CMV, but not lenti-SP-C, and compared to nontransferred controls. High EGFP copy numbers were found by quantitative PCR with both vector constructs in lung lobes (<or=15%) and EGFP copies were also detected in the diaphragm, pericardium, and thorax. No differences were found in lung:body weight ratios, percentage lung parenchyma, or overall morphology when compared to controls. For intramyocardial gene delivery, strong transgene expression was found within the myocardium and pericardium, and high EGFP copy numbers were found by quantitative PCR (3-36%). EGFP was also detected in the aorta, thorax, and diaphragm. These studies indicate that postnatal heart and lung development and function were not altered after fetal intraorgan gene transfer and subsequent transgene expression prenatally and postnatally, and gene transfer was restricted to the thoracic cavity with intrapulmonary and intramyocardial lentiviral vector-mediated gene delivery.
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Affiliation(s)
- Alice F Tarantal
- California National Primate Research Center, University of California, Davis, CA 95616, USA.
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Khosrotehrani K, Bianchi DW. Multi-lineage potential of fetal cells in maternal tissue: a legacy in reverse. J Cell Sci 2005; 118:1559-63. [PMID: 15811948 DOI: 10.1242/jcs.02332] [Citation(s) in RCA: 137] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Fetal cells circulate in pregnant women and persist in blood and tissue for decades post-partum. The mother thus becomes chimeric. Factors that may influence such fetal cell microchimerism include histocompatibility, fetal or placental abnormalities, or a reproductive history that includes miscarriage or elective termination. Fetal cell microchimerism is associated with some maternal autoimmune diseases, such as systemic sclerosis. Moreover, a novel population of fetal cells, the pregnancy-associated progenitor cells (PAPCs), appears to differentiate in diseased or injured maternal tissue. The cellular origin of these cells is at present unknown but could be a hematopoietic stem cell, a mesenchymal stem cell, or a novel cell type. Pregnancy therefore results in the acquisition of cells with stem-cell-like properties that may influence maternal health post-partum. Rather than triggering disease, these cells may instead combat it.
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Affiliation(s)
- Kiarash Khosrotehrani
- Department of Dermatology, Tenon Hospital and UPRES EA2396, Saint-Antoine School of Medicine, Pierre et Marie Curie (Paris VI) University, 75020 Paris, France
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