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Teng Y, Li P, Yang M, Han Y, Yan S, Xu Y, Tao F, Huang K. Sex-Specific Effect of Thyroid Peroxidase Antibody and Thyroglobulin Antibody Exposure During Pregnancy on Preschoolers' Emotional and Behavioral Development: A Birth Cohort Study. Thyroid 2022; 32:1229-1242. [PMID: 35920111 DOI: 10.1089/thy.2022.0044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Background: Epidemiological and experimental studies suggest that thyroid peroxidase antibody (TPOAb)- and thyroglobulin antibody (TGAb)-positive exposure during gestation may contribute to offspring's adverse neural development. However, limited knowledge is available on the association between joint exposure on TPOAb and TGAb and children's emotional and behavioral development. Furthermore, the sex-specific effect on the developmental process of preschoolers' emotions and behaviors is unknown. The present research intends to examine the sex-specific effect of TPOAb- and TGAb-positive exposure in gestation on the developmental process of preschoolers' emotions and behaviors. Methods: A total of 2455 mother-child pairs were included from the Ma'anshan Birth Cohort study. The serum TPOAb and TGAb of pregnant women was measured retrospectively by electrochemical immunoassay during the follow-up period. Preschoolers' emotional and behavioral development was assessed by a child behavior checklist 1.5-5. Growth mixture modeling was adopted to fit thyroid antibody (TAb) trajectories. Poisson regression models were used, stratifying by sex, to examine the association between TAb trajectories, as well as four categories of maternal TAb exposure and preschoolers' emotional and behavioral problems. Results: Boys born to mothers with TPOAb positivity in the first, second, and third trimesters of pregnancy had an increased risk of autism spectrum problems after adjusting for confounders, with relative risk (RR) [confidence interval, CI] of 2.01 [1.24-3.27], 2.15 [1.08-4.26], and 2.13 [1.20-3.79], respectively. Maternal TGAb positivity and TPOAb negativity in the first trimester were associated with a high risk of attention-deficit/hyperactivity problems in boys (RR = 1.74 [CI 1.01-2.99]). The prevalence of depressive problems in girls was 33.3% after exposure to TPOAb alone in the third trimester of pregnancy. Exposure to TPOAb alone in the third trimester of pregnancy was associated with an increased risk of depressive problems in girls (RR = 1.78 [CI 1.09-2.90]). Conclusions: Maternal TPOAb positivity in all three trimesters was associated with the risk of autism spectrum problems in boys. Isolated maternal TGAb positivity in the first trimester was associated with attention-deficit/hyperactivity problems in boys, whereas isolated maternal TPOAb positivity in the third trimester was associated with depressive problems in girls.
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Affiliation(s)
- Yuzhu Teng
- Department of Maternal, Child & Adolescent Health, School of Public Health, Key Laboratory of Population Health Across Life Cycle, Anhui Medical University (AHMU), Ministry of Education of the People's Republic of China, NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei, China
| | - Peixuan Li
- Department of Maternal, Child & Adolescent Health, School of Public Health, Key Laboratory of Population Health Across Life Cycle, Anhui Medical University (AHMU), Ministry of Education of the People's Republic of China, NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei, China
| | - Mengting Yang
- Department of Maternal, Child & Adolescent Health, School of Public Health, Key Laboratory of Population Health Across Life Cycle, Anhui Medical University (AHMU), Ministry of Education of the People's Republic of China, NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei, China
| | - Yan Han
- Department of Maternal, Child & Adolescent Health, School of Public Health, Key Laboratory of Population Health Across Life Cycle, Anhui Medical University (AHMU), Ministry of Education of the People's Republic of China, NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei, China
| | - Shuangqin Yan
- Ma'anshan Maternal and Child Health Center (MCHC), Ma'anshan, China
| | - Yeqing Xu
- Ma'anshan Maternal and Child Health Center (MCHC), Ma'anshan, China
| | - Fangbiao Tao
- Department of Maternal, Child & Adolescent Health, School of Public Health, Key Laboratory of Population Health Across Life Cycle, Anhui Medical University (AHMU), Ministry of Education of the People's Republic of China, NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei, China
| | - Kun Huang
- Department of Maternal, Child & Adolescent Health, School of Public Health, Key Laboratory of Population Health Across Life Cycle, Anhui Medical University (AHMU), Ministry of Education of the People's Republic of China, NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei, China
- Scientific Research Center in Preventive Medicine, School of Public Health, Anhui Medical University (AHMU), Hefei, China
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Sedov E, McCarthy J, Koren E, Fuchs Y. Fetomaternal microchimerism in tissue repair and tumor development. Dev Cell 2022; 57:1442-1452. [PMID: 35700729 DOI: 10.1016/j.devcel.2022.05.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 05/11/2022] [Accepted: 05/20/2022] [Indexed: 11/03/2022]
Abstract
In various placental mammals, the bidirectional exchange of cells during pregnancy can lead to the acquisition of genetically unique cells that can persist in both mother and child for decades. Over the years, it has become increasingly clear that this phenomenon, termed fetomaternal microchimerism may play key roles in a number of biological processes. In this perspective, we explore the concept of fetomaternal microchimerism and outline how fetal microchimeric cells are detected and immunologically tolerated within the maternal setting. Moreover, we discuss undertakings in the field that hint at the significant plasticity of fetal microchimeric cells and their potential roles in promoting maternal wound healing. Finally, we explore the multifaceted roles of fetal microchimeric cells in cancer development and progression. A deeper understanding of fetomaternal chimerism in healthy and diseased states will be key toward developing more efficient anti-cancer treatments and regenerative therapies.
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Affiliation(s)
- Egor Sedov
- Laboratory of Stem Cell Biology and Regenerative Medicine, Department of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel; Lorry Lokey Interdisciplinary Center for Life Sciences and Engineering, Technion Israel Institute of Technology, Haifa 3200003, Israel; Technion Integrated Cancer Center, Technion Israel Institute of Technology, Haifa 3200003, Israel
| | - Jordan McCarthy
- Laboratory of Stem Cell Biology and Regenerative Medicine, Department of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel; Lorry Lokey Interdisciplinary Center for Life Sciences and Engineering, Technion Israel Institute of Technology, Haifa 3200003, Israel; Technion Integrated Cancer Center, Technion Israel Institute of Technology, Haifa 3200003, Israel
| | - Elle Koren
- Laboratory of Stem Cell Biology and Regenerative Medicine, Department of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel; Lorry Lokey Interdisciplinary Center for Life Sciences and Engineering, Technion Israel Institute of Technology, Haifa 3200003, Israel; Technion Integrated Cancer Center, Technion Israel Institute of Technology, Haifa 3200003, Israel
| | - Yaron Fuchs
- Laboratory of Stem Cell Biology and Regenerative Medicine, Department of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel; Lorry Lokey Interdisciplinary Center for Life Sciences and Engineering, Technion Israel Institute of Technology, Haifa 3200003, Israel; Technion Integrated Cancer Center, Technion Israel Institute of Technology, Haifa 3200003, Israel.
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3
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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4
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Muller I, Barrett-Lee PJ. The antigenic link between thyroid autoimmunity and breast cancer. Semin Cancer Biol 2019; 64:122-134. [PMID: 31128301 DOI: 10.1016/j.semcancer.2019.05.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Revised: 05/17/2019] [Accepted: 05/21/2019] [Indexed: 02/06/2023]
Abstract
The association between breast cancer and benign thyroid disorders, in particular thyroid autoimmunity, has been debated for decades. Autoantibodies to thyroid peroxidase, the hallmark of thyroid autoimmunity, have a higher prevalence among patients with breast cancer compared with the general population. Furthermore a correlation between their positivity and a better prognosis of breast cancer was found in several independent small-scale studies, even if such observation was not confirmed in a subsequent retrospective study conducted on the largest patient cohort to date. The thyroid and mammary glands present several biological similarities, therefore the hypothesis of an immune response to shared thyroid/breast antigens could in part explain the association between thyroid autoimmunity and breast cancer. The sodium iodide symporter is expressed in both glands, however it seems unlikely to be the key common antigen, considering that autoantibodies targeting it are rare. Instead thyroid peroxidase, one of the major thyroid autoantigens, is also expressed in breast tissue and therefore represents the main antigenic link between thyroid autoimmunity and breast cancer. Furthermore lactoperoxidase, an enzyme of the same family that shares structural similarities with thyroid peroxidase, is expressed in neoplastic breast cells and is responsible for the cross-reactivity with some autoantibodies to thyroid peroxidase. Novel strategies for the diagnosis and treatment of breast cancer might take advantage of the antigenic link between thyroid and breast tissues.
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Affiliation(s)
- Ilaria Muller
- Thyroid Research Group, Division of Infection & Immunity, School of Medicine, Cardiff University, Cardiff, United Kingdom.
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5
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Sunku CC, Gadi VK, de Laval de Lacoste B, Guthrie KA, Nelson JL. Maternal and fetal microchimerism in granulocytes. Chimerism 2017; 1:11-4. [PMID: 21327147 DOI: 10.4161/chim.1.1.13098] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2010] [Revised: 07/19/2010] [Accepted: 07/21/2010] [Indexed: 12/25/2022]
Abstract
Cell trafficking during pregnancy may result in durable microchimerism, both fetal microchimerism in the mother and maternal microchimerism in her children. Whether microchimerism is continuously replenished has not been well-described. To address this question, we isolated granulocytes, cells with relatively short half-lives, from peripheral blood of healthy women. CD66b-positive cells were isolated by fluorescence activated cell sorting and a panel of polymorphism-specific quantitative pCR assays was employed to investigate fetal and maternal microchimerism. Overall 33% (10/30) of study subjects had at least one source of microchimerism in CD66b(+) cells. Interestingly, maternal microchimerism was more common than fetal microchimerism, 40% vs. 15%, respectively (p = 0.05) and was present at higher levels (p = 0.03). The identification of maternal and fetal origin CD66b(+) cells is strong evidence for an active microchimeric hematopoietic stem and progenitor cell niche. Furthermore, microchimeric CD66b(+) cells could have an impact on innate and adaptive immune responses.
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Abstract
Autoimmune thyroid diseases (AIT) are common in children and may present with a variety of signs and symptoms including: euthyroid goiter, hypothyroidism, or hyperthyroidism. The natural history of AIT may be different in children but in all age groups, there appear to be genetic risk factors and environmental triggers that initiate thyroid autoimmunity. Areas covered: In this review, we summarize recent studies that investigate the genetics and environmental triggers believed to be involved in thyroid autoimmunity. We also discuss the approach and controversies in the treatment of children with AIT. Expert commentary: Much has been learned about the major roles for genetics, cytokines, regulatory lymphocytes, and environmental triggers in CLT but controversies remain.
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Affiliation(s)
- Prasanthi Pasala
- a Pediatric Endocrinology and Metabolism, Department of Pediatrics , Children's Hospital of Richmond at Virginia Commonwealth University , Richmond , VA , USA
| | - Gary L Francis
- a Pediatric Endocrinology and Metabolism, Department of Pediatrics , Children's Hospital of Richmond at Virginia Commonwealth University , Richmond , VA , USA
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7
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Boddy AM, Fortunato A, Wilson Sayres M, Aktipis A. Fetal microchimerism and maternal health: a review and evolutionary analysis of cooperation and conflict beyond the womb. Bioessays 2015; 37:1106-18. [PMID: 26316378 PMCID: PMC4712643 DOI: 10.1002/bies.201500059] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The presence of fetal cells has been associated with both positive and negative effects on maternal health. These paradoxical effects may be due to the fact that maternal and offspring fitness interests are aligned in certain domains and conflicting in others, which may have led to the evolution of fetal microchimeric phenotypes that can manipulate maternal tissues. We use cooperation and conflict theory to generate testable predictions about domains in which fetal microchimerism may enhance maternal health and those in which it may be detrimental. This framework suggests that fetal cells may function both to contribute to maternal somatic maintenance (e.g. wound healing) and to manipulate maternal physiology to enhance resource transmission to offspring (e.g. enhancing milk production). In this review, we use an evolutionary framework to make testable predictions about the role of fetal microchimerism in lactation, thyroid function, autoimmune disease, cancer and maternal emotional, and psychological health. Also watch the Video Abstract.
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Affiliation(s)
- Amy M Boddy
- Department of Psychology, Arizona State University, Tempe, AZ, USA.,Center for Evolution and Cancer, University of California San Francisco, San Francisco, CA, USA
| | - Angelo Fortunato
- Center for Evolution and Cancer, University of California San Francisco, San Francisco, CA, USA
| | - Melissa Wilson Sayres
- Center for Evolution and Medicine, The Biodesign Institute, Arizona State University, Tempe, AZ, USA.,School of Life Sciences, Arizona State University, Tempe, AZ, USA
| | - Athena Aktipis
- Department of Psychology, Arizona State University, Tempe, AZ, USA.,Center for Evolution and Cancer, University of California San Francisco, San Francisco, CA, USA.,Center for Evolution and Medicine, The Biodesign Institute, Arizona State University, Tempe, AZ, USA
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Abstract
Thyroid autoimmunity involves loss of tolerance to thyroid proteins in genetically susceptible individuals in association with environmental factors. In central tolerance, intrathymic autoantigen presentation deletes immature T cells with high affinity for autoantigen-derived peptides. Regulatory T cells provide an alternative mechanism to silence autoimmune T cells in the periphery. The TSH receptor (TSHR), thyroid peroxidase (TPO), and thyroglobulin (Tg) have unusual properties ("immunogenicity") that contribute to breaking tolerance, including size, abundance, membrane association, glycosylation, and polymorphisms. Insight into loss of tolerance to thyroid proteins comes from spontaneous and induced animal models: 1) intrathymic expression controls self-tolerance to the TSHR, not TPO or Tg; 2) regulatory T cells are not involved in TSHR self-tolerance and instead control the balance between Graves' disease and thyroiditis; 3) breaking TSHR tolerance involves contributions from major histocompatibility complex molecules (humans and induced mouse models), TSHR polymorphism(s) (humans), and alternative splicing (mice); 4) loss of tolerance to Tg before TPO indicates that greater Tg immunogenicity vs TPO dominates central tolerance expectations; 5) tolerance is induced by thyroid autoantigen administration before autoimmunity is established; 6) interferon-α therapy for hepatitis C infection enhances thyroid autoimmunity in patients with intact immunity; Graves' disease developing after T-cell depletion reflects reconstitution autoimmunity; and 7) most environmental factors (including excess iodine) "reveal," but do not induce, thyroid autoimmunity. Micro-organisms likely exert their effects via bystander stimulation. Finally, no single mechanism explains the loss of tolerance to thyroid proteins. The goal of inducing self-tolerance to prevent autoimmune thyroid disease will require accurate prediction of at-risk individuals together with an antigen-specific, not blanket, therapeutic approach.
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Affiliation(s)
- Sandra M McLachlan
- Thyroid Autoimmune Disease Unit, Cedars-Sinai Research Institute, and University of California-Los Angeles School of Medicine, Los Angeles, California 90048
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Abstract
Persistence of fetal microchimeric cells may result in the development of autoimmune thyroid diseases (AITD) such as Hashimoto thyroiditis (HT) or Graves disease (GD). In women, HT and GD show an increased incidence in the years following parturition. Although fetal cells have already been shown to be more common in the thyroid glands of patients with an AITD compared with controls, these cells haven’t been described in blood of these patients. Our study detected fetal cells in blood of all patients with an AITD. Moreover, fetal cells were immune cells potentially capable of initiating a graft vs. host reaction and suggest a potential role of these cells in the pathogenesis of AITD. Our study indicates the value and need for further research in this field.
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Affiliation(s)
- Trees Lepez
- Laboratory for Pharmaceutical Biotechnology, Ghent University, Belgium
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Lepez T, Vandewoestyne M, Deforce D. Fetal microchimeric cells in autoimmune thyroid diseases: harmful, beneficial or innocent for the thyroid gland? Chimerism 2013; 4:111-8. [PMID: 23723083 PMCID: PMC3921191 DOI: 10.4161/chim.25055] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Autoimmune thyroid diseases (AITD) show a female predominance, with an increased incidence in the years following parturition. Fetal microchimerism has been suggested to play a role in the pathogenesis of AITD. However, only the presence of fetal microchimeric cells in blood and in the thyroid gland of these patients has been proven, but not an actual active role in AITD. Is fetal microchimerism harmful for the thyroid gland by initiating a Graft versus Host reaction (GvHR) or being the target of a Host versus Graft reaction (HvGR)? Is fetal microchimerism beneficial for the thyroid gland by being a part of tissue repair or are fetal cells just innocent bystanders in the process of autoimmunity? This review explores every hypothesis concerning the role of fetal microchimerism in AITD.
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Affiliation(s)
- Giulia Cogni
- Unit of Internal Medicine and Endocrinology, Fondazione Salvatore Maugeri I.R.C.C.S., Chair of Endocrinology, University of Pavia, Italy
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Abstract
The presented comprehensive review of current knowledge about genetic factors predisposing to Graves’ disease (GD) put emphasis on functional significance of observed associations. In particular, we discuss recent efforts aimed at refining diseases associations found within the HLA complex and implicating HLA class I as well as HLA-DPB1 loci. We summarize data regarding non-HLA genes such as PTPN22, CTLA4, CD40, TSHR and TG which have been extensively studied in respect to their role in GD. We review recent findings implicating variants of FCRL3 (gene for FC receptor-like-3 protein), SCGB3A2 (gene for secretory uteroglobin-related protein 1- UGRP1) as well as other unverified possible candidate genes for GD selected through their documented association with type 1 diabetes mellitus: Tenr–IL2–IL21, CAPSL (encoding calcyphosine-like protein), IFIH1(gene for interferon-induced helicase C domain 1), AFF3, CD226 and PTPN2. We also review reports on association of skewed X chromosome inactivation and fetal microchimerism with GD. Finally we discuss issues of genotype-phenotype correlations in GD.
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Affiliation(s)
- Rafał Płoski
- Department of Medical Genetics, Centre for Biostructure, Medical University of Warsaw, Poland
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14
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Abstract
Microchimerism is the presence of cells from one individual in another genetically distinct individual. Pregnancy is the main cause of natural microchimerism through transplacental bidirectional cell trafficking between mother and fetus. The consequences of pregnancy-related microchimerism are under active investigation. However, many authors have suggested a close relationship linking fetal microchimerism and the development of autoimmune diseases. It has been more than ten years now since the demonstration of the presence of a significant high number of fetal microchimeric cells residing in thyroid glands from operated patients with Graves' disease. This intrathyroidal fetal microchimerism is an attractive candidate mechanism for the modulation of Graves' disease in pregnancy and the postpartum period.
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Lepez T, Vandewoestyne M, Hussain S, Van Nieuwerburgh F, Poppe K, Velkeniers B, Kaufman JM, Deforce D. Fetal microchimeric cells in blood of women with an autoimmune thyroid disease. PLoS One 2011; 6:e29646. [PMID: 22216337 PMCID: PMC3246474 DOI: 10.1371/journal.pone.0029646] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2011] [Accepted: 12/02/2011] [Indexed: 11/18/2022] Open
Abstract
Context Hashimoto's thyroiditis (HT) and Graves' disease (GD), two autoimmune thyroid diseases (AITD), occur more frequently in women than in men and show an increased incidence in the years following parturition. Persisting fetal cells could play a role in the development of these diseases. Objective Aim of this study was to detect and characterize fetal cells in blood of postpartum women with and without an AITD. Participants Eleven patients with an AITD and ten healthy volunteers, all given birth to a son maximum 5 years before analysis, and three women who never had been pregnant, were included. None of them had any other disease of the thyroid which could interfere with the results obtained. Methods Fluorescence in situ hybridization (FISH) and repeated FISH were used to count the number of male fetal cells. Furthermore, the fetal cells were further characterized. Results In patients with HT, 7 to 11 fetal cells per 1.000.000 maternal cells were detected, compared to 14 to 29 fetal cells in patients with GD (p = 0,0061). In patients with HT, mainly fetal CD8+ T cells were found, while in patients with GD, fetal B and CD4+ T cells were detected. In healthy volunteers with son, 0 to 5 fetal cells were observed, which was significantly less than the number observed in patients (p<0,05). In women who never had been pregnant, no male cells were detected. Conclusion This study shows a clear association between fetal microchimeric cells and autoimmune thyroid diseases.
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Affiliation(s)
- Trees Lepez
- Laboratory for Pharmaceutical Biotechnology, Ghent University, Ghent, Belgium
| | - Mado Vandewoestyne
- Laboratory for Pharmaceutical Biotechnology, Ghent University, Ghent, Belgium
| | - Shahid Hussain
- Laboratory for Pharmaceutical Biotechnology, Ghent University, Ghent, Belgium
| | | | - Kris Poppe
- Department of Endocrinology, University Hospital of Brussels (VUB), Brussels, Belgium
| | - Brigitte Velkeniers
- Department of Endocrinology, University Hospital of Brussels (VUB), Brussels, Belgium
| | - Jean-Marc Kaufman
- Department of Endocrinology, Ghent University Hospital, Ghent, Belgium
| | - Dieter Deforce
- Laboratory for Pharmaceutical Biotechnology, Ghent University, Ghent, Belgium
- * E-mail:
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Abstract
CONTEXT Stem cells are undifferentiated cells with the property of self-renewal and give rise to highly specialized cells under appropriate local conditions. The use of stem cells in regenerative medicine holds great promise for the treatment of many diseases, including those of the thyroid gland. EVIDENCE ACQUISITION This review focuses on the progress that has been made in thyroid stem cell research including an overview of cellular and molecular events (most of which were drawn from the period 1990-2011) and discusses the remaining problems encountered in their differentiation. EVIDENCE SYNTHESIS Protocols for the in vitro differentiation of embryonic stem cells, based on normal developmental processes, have generated thyroid-like cells but without full thyrocyte function. However, agents have been identified, including activin A, insulin, and IGF-I, which are able to stimulate the generation of thyroid-like cells in vitro. In addition, thyroid stem/progenitor cells have been identified within the normal thyroid gland and within thyroid cancers. CONCLUSIONS Advances in thyroid stem cell biology are providing not only insight into thyroid development but may offer therapeutic potential in thyroid cancer and future thyroid cell replacement therapy.
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Affiliation(s)
- Terry F Davies
- Thyroid Research Unit, Mount Sinai School of Medicine, and the James J Peters Veterans Affairs Medical Center, New York, New York 10468, USA.
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17
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Abstract
Fetal cell microchimerism is defined as the persistence of fetal cells in the mother after birth without any apparent rejection. Fetal microchimeric cells (FMCs) engraft into the maternal bone marrow for decades after delivery and are able to migrate to blood and tissues. This phenomenon was hypothesized to have a detrimental role in autoimmune diseases, but data are still controversial and debated. In malignant tumors, fetal cell microchimerism has been postulated to have a positive effect on tumor burden, although some evidence suggests that FMCs may be involved in neoplastic progression. At the peripheral level, circulating FMCs are less frequently detected in patients with thyroid cancer, breast cancer or other solid, hematologic malignancies than in healthy individuals, which suggests a protective role for fetal cell microchimerism. In tissues, FMCs have been found in tumor sections from malignancies such as thyroid, breast, cervix, lung cancers and melanomas and have been shown to differentiate into epithelial, hematopoietic, endothelial and mesenchymal cells. FMCs with hematopoietic differentiation have been postulated to have a role in destroying the tumor, whereas mesenchymal and epithelial cells could participate in repair processes. Endothelial cells, on the other hand, are believed to play a part in tumor progression. This Review provides an overview of the role of fetal cell microchimerism in autoimmune and benign or malignant nonautoimmune diseases. Moreover, the mechanisms by which fetal cell microchimerism is believed to modulate the protection against cancer or tumor progression will be discussed, together with future research directions.
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Affiliation(s)
- Laura Fugazzola
- Endocrine Unit, Fondazione IRCCS Ca' Granda, Università degli Studi di Milano, Via Francesco Sforza 35, 20122 Milan, Italy.
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18
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Abstract
Transplacental traffic of fetal progenitor and differentiated cells is a well-known phenomenon in pregnancies. We hypothesize that intrauterine stem cell transplantation leads to microchimerism in the dams and that this is gestational age-dependent. EGFP+ fetal liver-derived mesenchymal stem cell (MSC) (10(5) per fetus) were injected intraperitoneally into congeneic and allogeneic recipient fetuses at E12 versus E13.5 of murine pregnancy (56 dams). Engraftment in maternal organs was evaluated using TaqMan quantitative polymerase chain reaction (PCR) and fluorescence microscopy during pregnancy (1, 3, and 7 days after in utero transplantation [IUT]) and after delivery (1 and 4 weeks after delivery). One day after IUT donor cells were mainly found in the placenta (E12: 9/10 dams vs. E13.5: 4/8 dams) and laparotomy site (E12: 5/10 dams vs. E13.5: 4/8 dams). Three days after IUT these probabilities decreased significantly in the placenta to 3/8 and 1/3, respectively, whereas it was increased within the surgical wound to 8/8 and 2/4. One week after IUT donor cells could be detected in other single maternal organs, such as bone marrow or spleen. The surgical wound was chimeric in all dams. One week after delivery the surgical wound was still a major site of engraftment in both groups. E12 IUT resulted in detectable donor cell microchimerism in the maternal bone marrow (3/4), liver (2/4), lungs (1/4), spleen (1/4), and thymus (1/4), whereas engraftment probabilities were lower following E13.5 IUT (BM: 1/4, liver: 2/4, lungs: 1/4, spleen: 1/4, thymus: 0/4). At 4 weeks after delivery persistent microchimerism was found only after E12 IUT in various maternal organs (BM: 1/4, spleen: 1/4, lungs: 1/4) and within newly created surgical wounds (3/4), but completely not in the E13.5 group. Allogeneic IUT did also not result in any detectable long-term fetal microchimerism. An earlier IUT might lead to a higher transplacental traffic of donor MSC and persistent microchimerism within maternal tissues. Even 4 weeks after delivery, these cells are present in surgical wounds.
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Affiliation(s)
- Carolyn Troeger
- Laboratory for Prenatal Medicine, Department of Obstetrics and Gynecology, University Hospital, Basel, Switzerland.
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19
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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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20
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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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21
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Abstract
During pregnancy there is transplacental traffic of fetal cells into the maternal circulation. Remarkably, cells of fetal origin can then persist for decades in the mother and are detectable in the circulation and in a wide range of tissues. Maternal CD8 T cell responses directed against fetal antigens can also be detected following pregnancy. However, the impact that the persistence of allogenic cells of fetal origin and the maternal immune response towards them has on the mother's health remains unclear and is the subject of considerable investigation. The potentially harmful effects of fetal microchimerism include an association with autoimmune disease and recurrent miscarriage. Beneficial effects that have been explored include the contribution of persistent fetal cells to maternal tissue repair. A link between fetal microchimerism and cancer has also been proposed, with some results supporting a protective role and others, conversely, suggesting a role in tumour development. The phenomenon of fetal microchimerism thus provokes many questions and promises to offer further insights not only into the biology of pregnancy but fields such as autoimmunity, transplantation biology and oncology.
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22
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Abstract
Chimerism in an individual refers to the coexistence of cells arising from two distinct organisms. It can arise iatrogenically via transplant or blood transfusion, and physiologically via twin to twin transfer, or from trafficking between mother and fetus during pregnancy. Many of the diseases associated with microchimerism affect the endocrine system (e.g., autoimmune thyroid disease and diabetes mellitus type 1). Microchimerism is relevant to endocrine pathology because (a) it is associated with pregnancy, a condition of complex endocrine physiology; (b) materno-fetal and feto-maternal cellular migration must involve the placenta, itself an endocrine organ; and (c) in some species, chimerism results in states of intersexuality, a condition intimately involved with endocrine physiology. Studies of feto-maternal microchimerism in the thyroid have documented the presence of fetal cells in association with Hashimoto thyroiditis, Graves' disease, thyroid adenoma, and papillary thyroid carcinoma. Studies of materno-fetal microchimerism have documented the presence of maternal cells in juvenile diabetes and other pediatric conditions. Microchimerism plays a potential role in the repair of diseased thyroid and pancreatic tissues.
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Affiliation(s)
- Daniel W Rust
- Department of Pathology, Tufts Medical Center, Boston, MA, USA
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23
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Abstract
Trafficking of fetal cells into the maternal circulation begins very early in pregnancy and the effects of this cell traffic are longlasting. All types of fetal cells, including stem cells, cross the placenta during normal pregnancy to enter maternal blood, from where they may be recovered in pregnancy for the purpose of genetic prenatal diagnosis. Fetal cells can also be located in maternal tissues during and after pregnancy, and persist as microchimeric cells for decades in marrow and other organs. Although persistent fetal cells were first implicated in autoimmune disease, subsequent reports routinely found microchimeric cells in healthy tissues and in non-autoimmune disease. Parallel studies in animal and human pregnancy now suggest instead that microchimeric fetal cells play a role in the response to tissue injury. However, it is still not clear whether microchimeric fetal cells persisting in the mother are an incidental finding, are naturally pathogenic or act as reparative stem cells, and the environmental or biological stimuli that determine microchimeric cell fate are as yet undetermined. Future studies must also focus on investigating whether fetal cells create functional improvement in response to maternal injury and whether this response can be manipulated. The pregnancy-acquired low-grade chimeric state of women could have far-reaching implications, influencing recovery after injury or surgery, ageing, graft survival after transplantation, survival after cancer as well as deciding the protective effect of pregnancy against diseases later in life. Lifelong persistence of fetal cells in maternal tissues may even explain why women live longer than men.
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Affiliation(s)
- Keelin O'Donoghue
- Department of Obstetrics and Gynaecology , University College Cork, Cork University Maternity Hospital , Wilton, Cork , Republic of Ireland
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24
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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25
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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26
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Vernochet C, Caucheteux SM, Kanellopoulos-Langevin C. Bi-directional cell trafficking between mother and fetus in mouse placenta. Placenta 2006; 28:639-49. [PMID: 17116327 DOI: 10.1016/j.placenta.2006.10.006] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2006] [Revised: 09/28/2006] [Accepted: 10/04/2006] [Indexed: 11/21/2022]
Abstract
It is now well established that cells are exchanged between mother and fetus during gestation. It has been proposed that some of these exchanges take place in the placenta, but it has never been demonstrated. Here, we made use of EGFP (Enhanced Green Fluorescent Protein) transgenic mice to precisely visualize the juxtaposition of maternal and fetal tissues at the implantation site, as well as to describe the bi-directional cell trafficking between mother and fetus at different stages of gestation. The influence of genetic differences between mother and fetus on the cell migration was also addressed by studying various types of matings: syngeneic, allogeneic and outbred. The frequency of maternal-fetal cell exchanges within the placenta is much higher in syngeneic and allogeneic gestations than in outbred ones. Maternal cells were mainly localized in the labyrinth where they were scattered or sometimes grouped in or near blood spaces. Groups of maternal cells could also be observed in maternal blood sinuses of the spongiotrophoblast. Conversely, fetal cells were organized in rings surrounding maternal blood sinuses in the decidua at 10-12 days of gestation. After day 13, they invaded the decidua. Fetal cells could also be detected in maternal peripheral blood and organs by nested PCR and fluorescence microscopy on cryosections, respectively. This suggests a role in the establishment and maintenance of the maternal tolerance to the fetus.
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Affiliation(s)
- C Vernochet
- Laboratory of Immune Regulations and Development, Department of Developmental Biology, J. Monod Institute, UMR 7592 (CNRS and Universities Paris 6 and 7), Tour 43, 2 place Jussieu, 75251 Paris Cedex 05, France
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27
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Khosrotehrani K, Reyes RR, Johnson KL, Freeman RB, Salomon RN, Peter I, Stroh H, Guégan S, Bianchi DW. Fetal cells participate over time in the response to specific types of murine maternal hepatic injury. Hum Reprod 2006; 22:654-61. [PMID: 17074776 DOI: 10.1093/humrep/del426] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND In humans, fetal microchimeric cells transferred to maternal tissues during pregnancy can adopt a hepatocyte phenotype. Our objective was to determine whether fetal cells participate in the response to specific murine post-partum hepatic injuries. METHODS Wild-type female mice were bred to males transgenic for the enhanced green fluorescent protein (GFP) (n = 42). Following delivery, we created models of chemical or surgical injury with carbon tetrachloride (CCl(4)) injection or by performing partial hepatectomy. Liver injury was assessed histologically. Fetal cells in maternal liver were detected and measured by real-time PCR amplification of the gfp transgene and by immunofluorescence using anti-GFP antibodies. RESULTS PCR results showed that in chemical but not surgical injury, fetal GFP+ cells were detectable in maternal liver and spleen and that fetal cell presence was significantly increased over time following injury (4 versus 8 weeks, P = 0.006 for liver and P = 0.0006 for spleen). In some animals, following chemical injury, GFP+ cells were detected by immunofluorescence. CONCLUSIONS The results of this preliminary study suggest that specific types of injury may elicit different fetal cell responses in maternal organs. There is a significant effect of time on fetal cell presence in liver and spleen. Furthermore, real-time PCR amplification is more sensitive than immunofluorescence for the detection of microchimeric fetal cells.
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Affiliation(s)
- K Khosrotehrani
- Division of Genetics, Department of Pediatrics, Tufts-New England Medical Center, Boston, MA 02111, USA
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28
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Guettier C, Sebagh M, Buard J, Feneux D, Ortin-Serrano M, Gigou M, Tricottet V, Reynès M, Samuel D, Féray C. Male cell microchimerism in normal and diseased female livers from fetal life to adulthood. Hepatology 2005; 42:35-43. [PMID: 15962317 DOI: 10.1002/hep.20761] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Male microchimerism is frequent in the adult female liver and is attributed to fetal cells originating from previous male offspring. It has never been studied in pregnant women, female children, or fetuses. We examined its frequency and cellular nature in normal and diseased female livers from fetal life to adulthood. Forty-six liver samples from 29 women, 6 female children, and 11 female fetuses were screened for the Y chromosome via polymerase chain reaction (PCR) assay and fluorescent in situ hybridization (FISH). The X chromosome was used as an internal control. A third PCR assay was used for Y genotyping. The Y chromosome was detected in 5 of 6 children, 7 of 11 fetuses, 3 of 9 women with normal liver, 7 of 10 women with chronic hepatitis C, 5 of 6 women with acute liver disease during pregnancy with male offspring, and 2 of 4 nonpregnant women with fulminant hepatitis. In positive samples, the mean XY/XX ratio was 0.012 (+/-0.004). In women, male microchimerism was correlated with previous male offspring. Male hepatocytes, detected via FISH combined with anti-hepatocyte immunohistochemistry, were observed only in fetuses (4/9) and in postpartem women (4/6). Y genotypes were different from each other in 4 of 5 female livers. In conclusion, male liver microchimerism is frequent in normal and diseased female livers. The presence of male cells in the liver of female children and fetuses is probably due to the transplacental transmission of fetal cells preexisting in the mother and acquired either from previous pregnancy with male offspring or during the mother's own fetal life.
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Affiliation(s)
- Catherine Guettier
- Service d'Anatomie Pathologique, Unité propre de recherche de l'enseignement supérieur (UPRES) N degree 3541, Université Paris XI, Hôpital Paul Brousse, Villejuif, France.
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29
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Jimenez DF, Leapley AC, Lee CI, Ultsch MN, Tarantal AF. Fetal CD34+ Cells in the Maternal Circulation and Long-Term Microchimerism in Rhesus Monkeys (Macaca mulatta). Transplantation 2005; 79:142-6. [PMID: 15665761 DOI: 10.1097/01.tp.0000144468.71962.aa] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Studies in humans have shown that during pregnancy fetal cells can enter the maternal circulation and persist for many years. While we have previously reported the presence of cell-free fetal DNA during pregnancy in rhesus monkeys, it is unknown whether cells circulate and persist long term in maternal tissues. In this study, we asked whether fetal CD34 cells can be found in the maternal circulation and if male fetal cells persist in maternal tissues postdelivery. METHODS The presence of the Y chromosome in maternal blood and tissues was assessed using real-time PCR assays for the sex determining region Y (SRY) and testes specific protein Y (TSPY) genes. Analysis was done on CD34 and CD34 cells isolated from maternal blood collected at select time points during gestation from gravid animals with male or female fetuses, and tissues were analyzed from nongravid animals that had previously delivered male offspring. RESULTS All animals with male fetuses tested positive for the Y chromosome in CD34 cells (0-30 cells/50,000 genome equivalents). Y sequences were also found in one or more maternal tissues collected up to 3-years postdelivery (thyroid, heart, spleen, liver, pituitary, adrenals, skin, inguinal lymph nodes). CONCLUSION These studies suggest transfer of fetal CD34 cells during pregnancy and persistent fetal microchimerism in the rhesus model. Thus, rhesus monkeys can be used to further our understanding of fetal:maternal microchimerism and the role of fetal cells in maternal health and disease.
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Affiliation(s)
- Daniel F Jimenez
- California National Primate Research Center, University of California, Pedrick and Hutchison Roads, Davis, CA 95616-8542, USA
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30
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Wang Y, Iwatani H, Ito T, Horimoto N, Yamato M, Matsui I, Imai E, Hori M. Fetal cells in mother rats contribute to the remodeling of liver and kidney after injury. Biochem Biophys Res Commun 2005; 325:961-7. [PMID: 15541383 DOI: 10.1016/j.bbrc.2004.10.105] [Citation(s) in RCA: 100] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2004] [Indexed: 11/29/2022]
Abstract
Fetal microchimerism indicates a mixture of cells of maternal and fetal origin seen in maternal tissues during and after pregnancy. Controversy exists about whether persistent fetal microchimerism is related with some autoimmune disorders occurring during and after pregnancy. In the current experiment, an animal model in which EGFP positive cells were taken as fetal-origin cells was designed to detect the fetal microchimerism in various maternal organs. Ethanol drinking and gentamicin injection were adopted to induce liver and kidney injury simultaneously. EGFP positive cells were engrafted not only in the maternal circulation and bone marrow, but also in the liver and kidney as hepatocytes and tubular cells, respectively. These results indicate that fetal cells are engrafted to maternal hematopoietic system without apparent injury and they also contribute to the repairing process of maternal liver and kidney.
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Affiliation(s)
- Yu Wang
- Department of Internal Medicine and Therapeutics, Osaka University School of Medicine, Suita, Osaka, Japan
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31
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Thiele J, Varus E, Wickenhauser C, Kvasnicka HM, Weirauch K, Metz KA, Bellen DW. Mixed chimerism of thyroid follicle cells after allogeneic bone marrow transplantation. Transplantation 2003; 76:1532-3. [PMID: 14657703 DOI: 10.1097/01.tp.0000084549.56825.f1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
Female Chinese hamsters (n = 10) were immunized with Chinese hamster ovary (CHO) cells that expressed the human TSH receptor (TSHR) to generate a model of Graves' disease. TSHR-autoantibodies (TSHR-Ab) were determined by CHO-TSHR. Two hamsters with stimulating TSHR-Ab showed thyrocyte hypertrophy associated with a focal lymphocytic infiltration. CHO-TSHR were then stimulated with interferon gamma to enhance major histocompatibility complex class II expression. However, after immunization no stimulating TSHR-Ab were detected, but blocking TSHR-Ab were found in three of five animals. The thyroid glands from these hamsters showed marked thinning of thyroid epithelial cells, indicative of early thyroid atrophy consistent with a TSHR blocking antibody, but no lymphocytic infiltration. Lastly, female Armenian hamsters were immunized with an adenovirus construct incorporating wild-type TSHR. High titers of TSHR-Ab were induced effectively, but the thyroid hypertrophy observed was not associated with a lymphocyte infiltration. In summary, we demonstrated that the hamster could serve as a model of TSHR autoimmunity and that an adenoviral vector produced higher levels of TSHR-Ab than more conventional immunization with cells. The data also indicated that the intrathyroidal cellular immunity in this model was not related to TSHR-Ab formation and was an independent reflection of the T-cell immune response to TSHR antigen.
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Affiliation(s)
- Takao Ando
- Division of Endocrinology, Diabetes, and Bone Diseases, Department of Medicine, Mount Sinai School of Medicine, New York, New York 10029, USA.
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Ichinohe T, Maruya E, Saji H. Long-term feto-maternal microchimerism: nature's hidden clue for alternative donor hematopoietic cell transplantation? Int J Hematol 2002; 76:229-37. [PMID: 12416733 DOI: 10.1007/bf02982792] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
During pregnancy, fetal hematopoietic cells carrying paternal human leukocyte antigens (HLA) migrate into maternal circulation, and, vice versa, maternal nucleated cells can be detected in fetal organs and umbilical cord blood, indicating the presence of bidirectional cell traffic between mother and fetus. By taking advantage of fluorescence in-situ hybridization or polymerase chain reaction-based techniques, researchers recently found that postpartum persistence of such reciprocal chimerism was common among healthy individuals and may sometimes cause tissue chimerism. Although the biological significance of long-lasting feto-maternal microchimerism is unknown, a number of investigations have suggested its association with the development of "autoimmune" diseases such as systemic sclerosis. However, the very common presence of feto-maternal microchimerism among subjects without any autoimmune attack may allow us the more appealing hypothesis that it is an indicator for the acquired immunological hyporesponsiveness to noninherited maternal or fetal HLA antigens. An offspring's tolerance to noninherited maternal antigens has been clinically suggested by the retrospective analysis of renal transplantations or haploidentical hematopoietic stem cell transplantations, and whether postpartum mothers can tolerate paternally derived fetal antigens is an intriguing question. Although an exact linkage between microchimerism and transplantation tolerance is yet to be elucidated, long-term acceptance of a recipient's cell in the donor may have a favorable effect on preventing the development of severe graft-versus-host disease, and the donor cell microchimerism in the recipient might facilitate the graft acceptance. If this concept holds true, HLA-mismatched hematopoietic stem cell transplantation would be more feasible among haploidentical family members mutually linked with feto-maternal microchimerism. Further studies are warranted to investigate the potential role of feto-maternal microchimerism in human transplantation medicine.
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Affiliation(s)
- Tatsuo Ichinohe
- Department of Hematology/Oncology, Graduate School of Medicine, Kyoto University, Japan.
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Abstract
During pregnancy, fetal cells are known to reach the maternal circulation and infiltrate a variety of tissues (fetal microchimerism). Although the presence of such cells has the potential to modulate the maternal immune response to both self antigens and fetal alloantigens, the degree of their influence remains unclear. The hyperthyroidism of Graves' disease frequently abates during pregnancy and exacerbates after childbearing. Thus, we have hypothesized that fetal cells in the maternal circulation and tissues may influence this decrescendo to crescendo pattern of autoimmune thyroid disease. Part of this hypothesis was tested using an ELISA-PCR for the detection of DNA for a male-specific gene, sex-determining region Y. The sensitivity of this assay was the equivalent of approximately 1 male cell among 10(5) female cells. We initially examined paraffin-embedded thyroid tissues and detected male cells in 4 of 20 female Graves' thyroid specimens, but not in 6 of 6 female adenoma specimens. Using frozen thyroid tissue specimens, an additional 6 of 7 Graves' disease samples demonstrated intrathyroidal fetal microchimerism, whereas 1 of 4 female samples with thyroid nodules showed male cells. The greater detection of the sex-determining region Y gene in frozen female thyroid tissues was probably due to DNA fragmentation in the paraffin-derived samples. In summary, we demonstrated that intrathyroidal fetal microchimerism was common and profound in female patients with Graves' disease. Thus, fetal male cells are valid candidates for modulating autoimmune thyroid disease in pregnancy and postpartum.
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Affiliation(s)
- Takao Ando
- Division of Endocrinology, Diabetes, and Bone Diseases, Department of Medicine, Mount Sinai School of Medicine, 1 Gustave L. Levy Place, New York, NY 10029, USA.
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