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Reproductive immune microenvironment. J Reprod Immunol 2022; 152:103654. [PMID: 35728349 DOI: 10.1016/j.jri.2022.103654] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 05/16/2022] [Accepted: 06/07/2022] [Indexed: 11/22/2022]
Abstract
About 10 %-12 % of couples in the world suffer from infertility, and immunological factors are being paid more and more attention. Attempts to induce peripheral immune tolerance in pregnant women by injecting husband cells have been widely promoted, but ultimately proved unsuccessful. Over the past two decades, our understanding of how the immune system is involved in gametogenesis and embryonic development, especially in early pregnancy, has undergone a major shift, going from the periphery to the local area of reproductive tissue. However, a holistic overview of immune responses in reproductive organs and tissues is currently lacking. Here, we further highlight the importance of regional immunity research for understanding reproductive health by reviewing the research mileage of the testis, ovary, and uterine immune microenvironment. We propose the concept of "reproductive immune microenvironment (RIM)" by summarizing the common features and basic functions of the tissue microenvironment in which immune cells reside, including the interstitial space of the testis, the ovarian stroma and the endometrium. The establishment of the concept of RIM not only focuses on the comprehensive description of the immune response in reproductive tissues, but also provides a macroscopic perspective for a deeper understanding of the immune etiology of reproductive system-related diseases.
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Scott JR. Reproductive immunology from the perspective of the clinician. J Reprod Immunol 2019; 133:27-29. [PMID: 31174079 DOI: 10.1016/j.jri.2019.05.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 05/02/2019] [Accepted: 05/24/2019] [Indexed: 11/17/2022]
Abstract
Investigators generate new and innovative ideas needed to advance knowledge, while physicians want proven treatments that provide the best care for their patients. Along with advances in reproductive immunology research, there have also been controversies such as immunologic treatments for recurrent pregnancy loss. Research deficiencies that are wasteful and misleading include: over-interpretation and extrapolation from animal studies to the human, inadequate sample sizes, lack of appropriate control groups, use of surrogate markers, associations presented as causation, un-blinded testing and treatments, unreproducible results, and non-standardized outcomes. The purpose of the EQUATOR Network (Enhancing the QUAlity Of health Research) is to improve the quality of research and its publication. These guidelines (CONSORT, STROBE, PRISMA, STARD, ARRIVE) have been accepted as mandatory by virtually all major medical journals, and all investigators should prospectively incorporate them into their study designs. From the perspective of a clinician-scientist and an editor, my premise is that the purpose of much basic science research and all clinical research is to improve the medical care of patients. Unproven and costly diagnostic tests and treatments for potential immunologic clinical problems can no longer be justified. The primary and most important outcome that should be reported for all pregnancy-related immunologic studies is the live birth rate of a healthy infant. Today's clinicians and patients expect unbiased research that leads to evidence-based recommendations for practical and effective treatments.
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Affiliation(s)
- James R Scott
- Department of Obstetrics and Gynecology, University of Iowa Carver College of Medicine, United States; University of Utah School of Medicine, Salt Lake City, Utah, 8412, United States.
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Simultaneous detection of decidual Th1/Th2 and NK1/NK2 immunophenotyping in unknown recurrent miscarriage using 8-color flow cytometry with FSC/Vt extended strategy. Biosci Rep 2017; 37:BSR20170150. [PMID: 28404628 PMCID: PMC5437939 DOI: 10.1042/bsr20170150] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 04/11/2017] [Accepted: 04/12/2017] [Indexed: 02/05/2023] Open
Abstract
Th1/Th2 imbalance is considered as a mechanism for recurrent miscarriage. The NK1/NK2 paradigm is hypothesised to play an important role in pregnancy. However, few results showed simultaneous changes of these subsets in vivo in decidual tissues. The present study aimed to detect the decidual mononuclear cells (dMo), and the Th1/Th2, and NK1/NK2 paradigm simultaneously using multiparametric flow cytometry (MFC) in unexplained recurrent miscarriages (URM). Mononuclear cells were isolated from the decidual tissues of URM cases and early pregnant women. The mononuclear cell percent was demonstrated by detecting the expression of CD3, CD4, CD8, CD56, and CD16 extracellular markers, interferon (IFN)-γ, and interleukin (IL)-4 intracellular markers in live cells using 8-color flow cytometry with forward scatter (FSC)/side scatter (SSC) and FSC/viability (Vt) initial gating strategies, and the ratios of Th1/Th2 and decidual NK1 (dNK1)/decidual NK2 (dNK2) cells were compared between the subject groups. Two initial gating strategies of the FSC/SSC or FSC/Vt, with central or extended gating scales, were adapted, and there was no main effect or interaction for the cell proportions, except for the type 1 and type 2 subsets in the FSC/Vt extended gating strategy. There was no significant difference of the proportions of the decidual T, dNK, NKT-like, Th, and Tc cells between the two groups. However, the Th1/Th2 and dNK1/dNK2 ratios in the URM patients were higher compared with the normal group when using the FSC/Vt extended gating strategy. The present study provides means to detect Th1/Th2 and dNK1/dNK2 simultaneously in URM patients for large sample investigations in the future.
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Cosgrove JL, Welch DA, Richardson GS, Nicholas JJ. Diaper doer's hand: stenosing tenosynovitis in the postpartum period. Clin Rehabil 2016. [DOI: 10.1177/026921558700100309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Three cases of stenosing tenosynovitis occurred three to six months postpartum. Childcare activities aggravated the symptoms of pain and swelling in both patients. In two cases, a specific method of carrying the child was implicated as the mechanism of injury. Although there was no evidence of generalized inflammatory arthritis, all patients had very low positive titres of anti-nuclear antibodies. While it is likely that tenosynovitis was caused by mechanical factors, the possibility of increased susceptability to inflammatory disease in the postpartum period cannot be discounted. The patients were successfully treated with a low temperature plastic splint, superficial heat and gentle mobilization.
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Affiliation(s)
| | - Dan A Welch
- Staff Psychiatrist Harmarvile Rehabilitation Center Inc
| | - George S Richardson
- Hand Rehabilitation Unit, Harmarville Rehabilitation Center Inc., Pittsburgh
| | - John J Nicholas
- Division of Rehabilitation Medicine, University of Pittsburgh
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PELNER L, RHOADES MG. HOST-TUMOR ANTAGONISM. XXXIV. THE USE OF PROGESTATIONAL AGENTS TO RETARD HOMOGRAFT REJECTION IN RABBITS; A PILOT STUDY*. J Am Geriatr Soc 2015; 13:765-71. [PMID: 14319347 DOI: 10.1111/j.1532-5415.1965.tb00634.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Immunity at the Maternal–Fetal Interface. Mucosal Immunol 2015. [DOI: 10.1016/b978-0-12-415847-4.00114-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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Bromfield JJ. Seminal fluid and reproduction: much more than previously thought. J Assist Reprod Genet 2014; 31:627-36. [PMID: 24830788 DOI: 10.1007/s10815-014-0243-y] [Citation(s) in RCA: 95] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Accepted: 04/22/2014] [Indexed: 11/26/2022] Open
Abstract
The influence of seminal plasma on the cytokine and immune uterine environment is well characterised in mice and humans, while the effects of disruption to uterine seminal plasma exposure on pregnancy and offspring health is becoming more clearly understood. The cellular and molecular environment of the uterus during the pre- and peri-implantation period of early pregnancy is critical for implantation success and optimal foetal and placental development. Perturbations to this environment not only have consequences for the success of pregnancy and neonatal health and viability, but can also drive adverse health outcomes in the offspring after birth, particularly the development of metabolic disorders such as obesity, hypertension and insulin resistance. It is now reported that an absence of seminal plasma at conception in mice promotes increased fat accumulation, altered metabolism and hypertension in offspring. The evidence reviewed here demonstrates that seminal plasma is not simply a transport medium for sperm, but acts also as a key regulator of the female tract environment providing optimal support for the developing embryo and benefiting future health of offspring.
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Affiliation(s)
- John J Bromfield
- Department of Animal Sciences, University of Florida, PO Box 110910, Gainesville, FL, 32611-0910, USA,
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Koldehoff M, Cierna B, Steckel NK, Beelen DW, Elmaagacli AH. Maternal molecular features and gene profiling of monocytes during first trimester pregnancy. J Reprod Immunol 2013; 99:62-8. [PMID: 23958292 DOI: 10.1016/j.jri.2013.07.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2013] [Revised: 06/23/2013] [Accepted: 07/05/2013] [Indexed: 12/11/2022]
Abstract
We examined the molecular characteristics of monocytes of pregnant and non-pregnant women to investigate the molecular effects that are associated with immunoregulation at the maternal-fetal interface. We analyzed molecular features and target genes in monocytes of pregnant women using flow cytometry, real-time PCR and oligonucleotide microarray technology. CD14(high) monocytes and several immune gene members including CD200, CD200R, IDO, IFI27, IL-10 and G0S2 were found to be differentially expressed in monocytes throughout pregnancy. In addition, transcripts within components of the signaling cascade of immune cells (HLA-DRB4, HBEGF, IL-8, CD3D, CCL5), and of several transcription factors (SOCS1, CXCL10, ID1, ID2) were altered in the monocytes of pregnant women. Further studies will be needed to elucidate the biological significance of our observation.
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Affiliation(s)
- Michael Koldehoff
- Department of Bone Marrow Transplantation, West German Cancer Center, Faculty of Medicine, University Duisburg-Essen, Essen, Germany.
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Avner PR, Dove WF, Dubois P, Gaillard JA, Guénet JL, Jacob F, Jakob H, Shedlovsky A. The genetics of teratocarcinoma transplantation: tumor formation in allogeneic hosts by the embryonal carcinoma cell lines F9 and PCC3. Immunogenetics 2012; 7:103-15. [PMID: 21302063 DOI: 10.1007/bf01843995] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/1978] [Revised: 07/27/1978] [Indexed: 11/25/2022]
Abstract
Two cultured lines of murine embryonal carcinoma, F9 and PCC3, have been grafted to a variety of allogeneic hosts. The host strains have been classified by their resistance or sensitivity to these carcinomas. Resistance seems to be immunological in nature.Allograft rejection does not correlate withH-2 haplotype, and seems to be controlled by a limited number of recessive factors, presumably histocompatibility genes. We infer that these factors have limited polymorphism in the mouse species. Recombinational analysis of strain A/He has revealed the presence of a recessive factor linked to theH-2 locus. Tumor resistance of strains C57BL/6 and AKR appears to result from the interaction of dominant or semi-dominant factors in theH-2 region with other recessive elements in the genetic background.Though F(1) hybrids between resistant mouse strains and the syngeneic strain 129 are largely tumor-sensitive, a low level of hybrid resistance to F9 has been observed and shown to be eliminated by X-irradiation.
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Affiliation(s)
- P R Avner
- Laboratoire d'Immunologie et Virologie des Tumeurs, U152, Hôpital Cochin, 75014, Paris, France
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BRADBURY S, BILLINGTON WD, KIRBY DR. A histochemical and electron microscopical study of the fibrinoid of the mouse placenta. ACTA ACUST UNITED AC 2011; 84:199-211. [PMID: 14344275 DOI: 10.1111/j.1365-2818.1965.tb02121.x] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Koldehoff M, Katzorke T, Wisbrun NC, Propping D, Wohlers S, Bielfeld P, Steckel NK, Beelen DW, Elmaagacli AH. Modulating impact of human chorionic gonadotropin hormone on the maturation and function of hematopoietic cells. J Leukoc Biol 2011; 90:1017-26. [DOI: 10.1189/jlb.0910520] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
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Burton GJ, Scioscia M, Rademacher TW. Endometrial secretions: creating a stimulatory microenvironment within the human early placenta and implications for the aetiopathogenesis of preeclampsia. J Reprod Immunol 2011; 89:118-25. [PMID: 21531028 DOI: 10.1016/j.jri.2011.02.005] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2010] [Revised: 01/31/2011] [Accepted: 02/21/2011] [Indexed: 02/01/2023]
Abstract
Endometrial glands represent an important source of nutrients for the conceptus during the first trimester. Their secretions are enriched with carbohydrates, and glycogen accumulates within the syncytiotrophoblast of the placenta. It has been assumed that fetal and placental metabolism follow adult pathways, although it is now appreciated that early development occurs in a low-oxygen environment. In past decades, a novel family of putative insulin mediators, inositol phosphoglycans (IPGs), was discovered. These molecules act as allosteric activators and/or inhibitors of enzymes and transduction proteins involved in the control of cell signalling and metabolic pathways, and determine the specificity of responses after activation of the insulin receptor. One member, IPG P-type, activates pyruvate dehydrogenase phosphatase (PDH-Pase), glycogen synthase phosphatase, and glycerol-3-phosphate acyltransferase. Activation of key phosphatases play a major role in the regulation of glucose disposal by oxidative metabolism via PDH, and the non-oxidative storage by glycogen synthesis, both pathways classically known to be regulated by insulin. High concentrations of IPG P-type in amniotic fluid suggest a role in the regulation of carbohydrate metabolism in the fetal-placental unit. Glycogen accumulation in the syncytiotrophoblast also occurs in preeclamptic pregnancies, and is consistently associated with higher placental levels of IPG P-type. Here, we explore the relationship between nutrients provided by the endometrial glands during early pregnancy, IPG P-type and fetal metabolic requirements. We also discuss whether a disconnect between the placental/fetal metabolic state and oxygen tension could lead to a preeclamptic-type syndrome via leakage of Warburg/IPG mediators into the maternal circulation.
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Affiliation(s)
- G J Burton
- Centre for Trophoblast Research, Department of Physiology, Neuroscience and Development, Physiological Laboratory, Downing Street, Cambridge CBE 3EG, United Kingdom
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CROY BA. Use of experimental embryo transfer to study the role of the immune system in embryonic death. Equine Vet J 2010. [DOI: 10.1111/j.2042-3306.1985.tb04593.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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ALLEN WR, KYDD JULIA, BOYLE MS, ANTCZAK DF. Between-species transfer of horse and donkey embryos: A valuable research tool. Equine Vet J 2010. [DOI: 10.1111/j.2042-3306.1985.tb04594.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Sex differences in neurodevelopmental and psychiatric disorders: One explanation or many? Behav Brain Sci 2010. [DOI: 10.1017/s0140525x00001266] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Abstract
AbstractMales are selectively afflicted with the neurodevelopmental and psychiatric disorders of childhood, a broad and virtually ubiquitous phenomenon that has not received proper attention in the biological study of sex differences. The previous literature has alluded to psychosocial differences, genetic factors and elements pertaining to male “complexity” and relative immaturity, but these are not deemed an adequate explanation for selective male affliction. The structure of sex differences in neurodevelopmental disorders is hypothesized to contain these elements: (1) Males are more frequently afflicted, females more severely; (2) disorders arising in females are largely mediated by the genotype; in males, by a genotype by environment interaction; (3) complications of pregnancy and delivery occur more frequently with male births; such complications are decisive and influence subsequent development. We hypothesize that there is something about the male fetus that evokes an inhospitable uterine environment. This “evocative principle” is hypothesized to relate to the relative antigenicity of the male fetus, which may induce a state of maternal immunoreactivity, leading either directly or indirectly to fetal damage. The immunoreactive theory (IMRT) thus constructed is borrowed from studies of sex ratios and is the only explanation consistent with negative parity effects in the occurrence of pregnancy complications and certain neurodevelopmental disorders. Although the theory is necessarily speculative, it is heuristic and hypotheses derived from it are proposed; some are confirmed in the existing literature and by the authors' research.
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Manolov G, Levan A, Nadkarni JS, Nadkarni J, Clifford P. Burkitt's lymphoma with female karyotype in an African male child. Hereditas 2009; 66:79-100. [PMID: 5525817 DOI: 10.1111/j.1601-5223.1970.tb02336.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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The Role of Serum Factors (‘Blocking Antibodies’) as Mediators of Immunological Non-Reactivity to Cellular Antigens. ACTA ACUST UNITED AC 2008. [DOI: 10.1002/9780470719886.ch7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Rukavina D. PRESIDENTIAL ADDRESS: The History of Reproductive Immunology: My Personal View*. Am J Reprod Immunol 2008. [DOI: 10.1111/j.1600-0897.2008.00600.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Ban YL, Kong BH, Qu X, Yang QF, Ma YY. BDCA-1+, BDCA-2+ and BDCA-3+ dendritic cells in early human pregnancy decidua. Clin Exp Immunol 2008; 151:399-406. [PMID: 18234052 DOI: 10.1111/j.1365-2249.2007.03576.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Dendritic cells (DCs) can acquire unique features or phenotypes in different tissue microenvironments and decide whether immunity or tolerance develops. DCs observed within the decidua have been implicated in pregnancy maintenance. However, the precise distribution of decidual DC subsets and their phenotypic characteristics are largely unknown. Using flow cytometry, we identified three DC subsets in normal human first-trimester decidua: BDCA-1+ CD19- CD14(-) myeloid DC type 1 (MDC1), BDCA-3+ CD14- myeloid DC type 2 (MDC2) and BDCA-2+ CD123+ plasmacytoid DC (PDC). The percentage of MDC1 to mononuclear cells in the decidua was similar to that in the peripheral blood controls. The percentage of MDC2 in the decidua was significantly higher than that in the peripheral blood controls, whereas the percentage of PDC was significantly lower. Both MDC1 and MDC2 subsets expressed human leucocyte antigen D-related, CD86 and CD80 at low levels, suggesting a characteristic of immature myeloid DCs. Immunoglobulin-like transcript 3, suggested to be involved in immune tolerance induction, was also expressed on decidual MDC1 and MDC2 subsets. In addition, as gestational age increased from 6 to 9 weeks, the numbers of MDC1 decreased but MDC2 increased significantly. This is the first study to demonstrate the presence of three previously unidentified BDCA-1+, BDCA-3+ and BDCA-2+ DC subsets in human decidua, these decidual DCs might play important role in the maintenance of pregnancy.
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Affiliation(s)
- Y-L Ban
- Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Ji'nan, Shandong, China
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Terness P, Kallikourdis M, Betz AG, Rabinovich GA, Saito S, Clark DA. Tolerance signaling molecules and pregnancy: IDO, galectins, and the renaissance of regulatory T cells. Am J Reprod Immunol 2007; 58:238-54. [PMID: 17681041 DOI: 10.1111/j.1600-0897.2007.00510.x] [Citation(s) in RCA: 91] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
PROBLEM Is the concept of maternal tolerance preventing rejection of the semi-allogeneic 'fetal allograft' still valid? METHOD OF STUDY Compilation of expert reviews of literature and recent advances in research on indoleamine-2,3 dioxygenase (IDO), regulatory T cells and galectin-1. RESULTS AND CONCLUSION A role for IDO in pregnancy success remains speculative, but solid data exist to support a role for Treg cells, and for galectin-1 in induction and action of Treg cells. Just as several signals may need to be simultaneously present to induce Th1 cytokine-triggered abortions, more than 1 signal may need to be simultaneously present to prevent rejection and ensure success. Both complement and coagulation pathways appear necessary for embryo execution.
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Affiliation(s)
- Peter Terness
- Institute of Immunology, University of Heidelberg, Heidelberg, Germany
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Tranguch S, Chakrabarty A, Guo Y, Wang H, Dey SK. Maternal Pentraxin 3 Deficiency Compromises Implantation in Mice1. Biol Reprod 2007; 77:425-32. [PMID: 17538075 DOI: 10.1095/biolreprod.107.062414] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
Reduced litter sizes in mice missing pentraxin 3 (Ptx3) have been attributed to fertilization failure. However, our global gene expression studies showed high uterine Ptx3 expression at the implantation site in mice, suggesting its role in blastocyst implantation. We initiated molecular and genetic studies in mice to explore the importance of uterine Ptx3 in this process. We found that Ptx3 is expressed in a unique and transient fashion at implantation sites. With the initiation of implantation on midnight of Day 4 of pregnancy, Ptx3 is expressed exclusively in stromal cells at the site of blastocysts. On Day 5, its expression is more intense in decidualizing stromal cells, but it disappears on Day 6. The expression again becomes evident in the deciduum on Day 7, followed by a more robust expression on Day 8, particularly at the antimesometrial pole. From Day 9, with the initiation of placentation, Ptx3 expression becomes undetectable. These results suggest a role for PTX3 in implantation and decidualization. Indeed, deletion of Ptx3 results in both compromised implantation and decidualization. Interleukin 1B (IL1B), a known inducer of Ptx3, is also transiently expressed in stromal cells at the implantation site, suggesting that IL1B is an inducer of uterine Ptx3 expression. In fact, uterine Ptx3 expression follows that of Il1b induced by lipopolysaccharide treatment on Day 7 of pregnancy. Collectively, these findings provide evidence for an important role for PTX3 in implantation and decidualization. This study has clinical implications, since PTX3 is expressed in the receptive endometrium, and trophoblast cells influence decidual Ptx3 expression in humans.
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Affiliation(s)
- Susanne Tranguch
- Department of Cell & Developmental Biology, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA
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Schiwatschewa T, Moskov M. Morphologische Veränderungen in den die Gebärmutter drainierenden Lymphknoten der trächtigen weißen Ratte. Anat Histol Embryol 2007. [DOI: 10.1111/j.1439-0264.1973.tb00405.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Ramseier H, Brent RL. INDUCTION OF TOLERANCE TO MATERNAL TISSUE HOMOGRAFTS BY IRRADIATION OF THE PLACENTA*. Ann N Y Acad Sci 2006. [DOI: 10.1111/j.1749-6632.1966.tb12855.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Simmons RL, Russell PS. THE HISTOCOMPATIBILITY ANTIGENS OF FERTILIZED MOUSE EGGS AND TROPHOBLAST*. Ann N Y Acad Sci 2006. [DOI: 10.1111/j.1749-6632.1966.tb12839.x] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Mincheva-Nilsson L. Pregnancy and gamma/delta T cells: taking on the hard questions. Reprod Biol Endocrinol 2003; 1:120. [PMID: 14651751 PMCID: PMC305336 DOI: 10.1186/1477-7827-1-120] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2003] [Accepted: 12/02/2003] [Indexed: 12/28/2022] Open
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Billington WD. The immunological problem of pregnancy: 50 years with the hope of progress. A tribute to Peter Medawar. J Reprod Immunol 2003; 60:1-11. [PMID: 14568673 DOI: 10.1016/s0165-0378(03)00083-4] [Citation(s) in RCA: 88] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
This article is a tribute to the late Sir Peter Brian Medawar for his pivotal contribution in 1953 to the establishment of the field of Reproductive Immunology, with a brief and selective assessment of the progress made during the ensuing 50 years towards elucidation of the mechanisms responsible for the paradoxical survival of the conceptus as an intra-uterine allograft within the immunologically competent genetically alien female host. Medawar's succinct and stimulating theories have been central throughout the whole of this time and his basic conclusion, that the single most important factor ensuring the success of gestation is the anatomical separation of the fetus from its mother, remains substantially valid to this day. The extent to which other factors are of significance, particularly those relating to the relative roles of maternal adaptive and innate immune responses to the developing feto-placental unit, has yet to be fully defined.
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Miyazaki S, Tsuda H, Sakai M, Hori S, Sasaki Y, Futatani T, Miyawaki T, Saito S. Predominance of Th2-promoting dendritic cells in early human pregnancy decidua. J Leukoc Biol 2003; 74:514-22. [PMID: 12960246 DOI: 10.1189/jlb.1102566] [Citation(s) in RCA: 137] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Dendritic cells (DCs) are specialized antigen-presenting cells required for the priming and activation of T cells and promote the differentiation of naïve CD4+ T cells toward the T helper cell type 1 (Th1) or Th2 phenotype. Here, we describe the characterization of CD45+CD3-CD14-CD16-CD19-CD20-CD56-HLA-DRbright DCs from early human pregnancy decidua by flow cytometry. The percentage of DCs to mononuclear cells (leukocytes) in the decidua was significantly higher than that in the peripheral blood. Moreover, decidual DCs expressed costimulatory molecules such as CD80 and CD86 and a mature marker such as CD83 on their surface. The percentage of CD11c+CD123- myeloid DCs in the decidua was significantly higher than that in the peripheral blood. Conversely, the ratio of CD11c-CD123+ lymphoid DCs in the decidua was significantly lower than that in the peripheral blood. The number of interleukin (IL)-12-producing cells in the total DC population and the myeloid DCs in the decidua was significantly lower than that in the peripheral blood. IL-12 secretion by activated decidual myeloid DCs was significantly lower than that by peripheral DCs. Naïve CD4+ T cells primed with decidual myeloid DCs led to a higher percentage of Th2 cells in comparison with that with peripheral myeloid DCs. This finding was abolished by exogenous IL-12 administration with decidual myeloid DCs. Thus, the DCs in the decidua could regulate the Th1/Th2 balance to maintain a Th2-dominant state, leading to maintenance of pregnancy.
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Affiliation(s)
- Satomi Miyazaki
- Department of Obstetrics and Gynecology, Toyama Medical and Pharmaceutical University, Japan
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Head JR. In memory of Rupert E. Billingham, Ph.D., D.Sc. J Reprod Immunol 2003; 58:93-7. [PMID: 12664888 DOI: 10.1016/s0165-0378(03)00030-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Judith R Head
- Department of Obstetrics and Gynecology, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9032, USA.
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Head JR. In Memoriam. Am J Reprod Immunol 2003. [DOI: 10.1034/j.1600-0897.2003.00051.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Erlebacher A, Lukens AK, Glimcher LH. Intrinsic susceptibility of mouse trophoblasts to natural killer cell-mediated attack in vivo. Proc Natl Acad Sci U S A 2002; 99:16940-5. [PMID: 12486249 PMCID: PMC139248 DOI: 10.1073/pnas.222652199] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Protecting the fetus and placenta from the maternal immune system has long been considered a function of placental trophoblasts. Here, we present two related lines of evidence that contradict this assumption. First, we show that transformed mouse trophoblast cell lines akin to human choriocarcinomas form tumors in syngeneic and immunodeficient mice, yet are rejected in immunocompetent allogeneic mice. Second, we show that wild-type trophoblasts are rapidly killed after i.v. injection into allogeneic mice. In both cases, the pattern of trophoblast killing in different strains of immunodeficient mice indicated that rejection involved host natural killer cells, and this was corroborated by in vitro killing assays. The apparent intrinsic susceptibility of mouse trophoblasts to immune attack strongly suggests that it is instead some property of the pregnant uterus that is of primary importance in preventing rejection of the fetus.
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Affiliation(s)
- Adrian Erlebacher
- Department of Immunology and Infectious Diseases, Harvard School of Public Health, and Department of Medicine, Harvard Medical School, Boston, MA 02115, USA
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Affiliation(s)
- C C Liu
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15213, USA
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Mellor AL, Munn DH. Immunology at the maternal-fetal interface: lessons for T cell tolerance and suppression. Annu Rev Immunol 2000; 18:367-91. [PMID: 10837063 DOI: 10.1146/annurev.immunol.18.1.367] [Citation(s) in RCA: 216] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Mammalian reproduction poses an immunological paradox because fetal alloantigens encoded by genes inherited from the father should provoke responses by maternal T cells leading to fetal loss. Current understanding of T cell immunobiology and the critical role of inflammatory processes during pregnancy is reviewed and discussed. Lessons derived from studies on the regulation of T cell responsiveness during mammalian gestation are considered in the wider context of T cell tolerance toward some microbial infections and tumors, avoidance of autoimmunity, and tissue allograft rejection.
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Affiliation(s)
- A L Mellor
- Program in Molecular Immunology, Institute of Molecular Medicine and Genetics, Departments of Medicine and Pediatrics, Medical College of Georgia 30912, USA. mcg.edu
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Kämmerer U, Schoppet M, McLellan AD, Kapp M, Huppertz HI, Kämpgen E, Dietl J. Human decidua contains potent immunostimulatory CD83(+) dendritic cells. THE AMERICAN JOURNAL OF PATHOLOGY 2000; 157:159-69. [PMID: 10880386 PMCID: PMC1850207 DOI: 10.1016/s0002-9440(10)64527-0] [Citation(s) in RCA: 155] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/08/2000] [Indexed: 11/18/2022]
Abstract
Dendritic cells (DCs) are sentinel cells of the immune system important in initiating antigen-specific T-cell responses to microbial and transplantation antigens. DCs are particularly found in surface tissues such as skin and mucosa, where the organism is threatened by infectious agents. The human decidua, despite its proposed immunosuppressive function, hosts a variety of immunocompetent CD45 cells such as natural killer cells, macrophages, and T cells. Here we describe the detection, isolation, and characterization of CD45(+), CD40(+), HLA-DR(++), and CD83(+) cells from human early pregnancy decidua with typical DC morphology. CD83(+) as well as CD1a(+) cells were found in close vicinity to endometrial glands, with preference to the basal layer of the decidua. In vitro, decidual CD83(+) cells could be enriched to approximately 30%, with the remainder of cells encompassing DC-bound CD3(+) T cells. Stimulation of allogeneic T cells in a mixed leukocyte reaction by the decidual cell fraction enriched for CD83(+) cells, was similar to that obtained with blood monocyte-derived DCs, demonstrating the potent immunostimulatory capacity of these cells. Decidual DCs with morphological, phenotypic, and functional characteristics of immunostimulatory DCs might be important mediators in the regulation of immunological balance between maternal and fetal tissue, leading to successful pregnancy.
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Affiliation(s)
- U Kämmerer
- Department of Obstetrics and Gynecology, University of Würzburg, Germany.
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Hanna N, Hanna I, Hleb M, Wagner E, Dougherty J, Balkundi D, Padbury J, Sharma S. Gestational age-dependent expression of IL-10 and its receptor in human placental tissues and isolated cytotrophoblasts. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2000; 164:5721-8. [PMID: 10820249 DOI: 10.4049/jimmunol.164.11.5721] [Citation(s) in RCA: 226] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Control of antifetal immune responses is thought to be regulated locally by the placenta. Because the physiologic programming of the placenta across gestation is likely to influence the local immunity, we hypothesize that a potent anti-inflammatory cytokine such as IL-10 may be produced in a gestational age-dependent manner. In the present study, we examined the expression of IL-10 and its receptor in placental explants or freshly isolated cytotrophoblasts from different gestational ages and compared it with the expression profiles of other cytokines. First and second trimester placental tissues from normal pregnancies predominantly expressed IL-10, whereas the levels of IL-2, IL-4, and IFN-gamma were mostly below detection throughout pregnancy. The expression of IL-10, but not its receptor, diminished significantly in term placental tissues collected "before" the onset of labor and did not change appreciably "after" labor. On the other hand, TNF-alpha and IL-1beta were significantly up-regulated in response to labor-associated conditions. IL-10 expression was transcriptionally attenuated at term as observed in cytotrophoblasts. In contrast to the placental cytokine milieu, autologous PBMCs, when activated with PHA, secreted significant amounts of IL-2, IL-4, IL-10, and IFN-gamma, albeit with a statistically significantly enhanced IL-10 production in first trimester compared with age-matched nonpregnant women. These data suggest that IL-10 is expressed in the placenta in a gestational age-dependent manner and that its down-regulation at term may be an important mechanism underlying the subtle changes associated with parturition.
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Affiliation(s)
- N Hanna
- Departments of Pediatrics and Pathology, Brown University, and Women and Infants' Hospital of Rhode Island, Providence, RI 02905, USA
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Paria BC, Zhao X, Das SK, Dey SK, Yoshinaga K. Zonula occludens-1 and E-cadherin are coordinately expressed in the mouse uterus with the initiation of implantation and decidualization. Dev Biol 1999; 208:488-501. [PMID: 10191061 DOI: 10.1006/dbio.1999.9206] [Citation(s) in RCA: 105] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Two-way interactions between the blastocyst trophectoderm and the uterine luminal epithelium are essential for implantation. The key events of this process are cell-cell contact of trophectoderm cells with uterine luminal epithelial cells, controlled invasion of trophoblast cells through the luminal epithelium and the basement membrane, transformation of uterine stromal cells surrounding the blastocyst into decidual cells, and protection of the "semiallogenic" embryo from the mother's immunological responses. Because cell-cell contact between the trophectoderm epithelium and the luminal epithelium is essential for implantation, we investigated the expression of zonula occludens-1 (ZO-1) and E-cadherin, two molecules associated with epithelial cell junctions, in the mouse uterus during the periimplantation period. Preimplantation uterine epithelial cells express both ZO-1 and E-cadherin. With the initiation and progression of implantation, ZO-1 and E-cadherin are expressed in stromal cells of the primary decidual zone (PDZ). As trophoblast invasion progresses, these two molecules are expressed in stroma in advance of the invading trophoblast cells. These results suggest that expression of these adherence and tight junctions molecules in the PDZ serves to function as a permeability barrier to regulate access of immunologically competent maternal cells and/or molecules to the embryo and provide homotypic guidance of trophoblast cells in the endometrium.
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Affiliation(s)
- B C Paria
- Department of Molecular and Integrative Physiology, Ralph L. Smith Research Center, University of Kansas Medical Center, Kansas City, Kansas, 66160-7338, USA
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Abstract
The mammalian fetus has been perceived, paradoxically, as a successful allograft, a successful tumor, and a successful parasite. Success depends on fetal trophoblast cells, which form the interface with the mother. The maternal immune system is involved in the success of pregnancy and in its failure. The discovery that maternal gammadelta T cells may recognize and react to the fetal trophoblast and the definition of a vascular mechanism whereby their Th1 and Th2/3-type cytokines may abort embryos replaces confusion and debate with a new and simple clarity that enables further research.
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Affiliation(s)
- P Arck
- Charité, Campus Virchow Klinikum, Humbolt University, 13353 Berlin, Germany.
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Arck PC, Ferrick DA, Steele-Norwood D, Croitoru K, Clark DA. Murine T cell determination of pregnancy outcome: I. Effects of strain, alphabeta T cell receptor, gammadelta T cell receptor, and gammadelta T cell subsets. Am J Reprod Immunol 1997; 37:492-502. [PMID: 9228307 DOI: 10.1111/j.1600-0897.1997.tb00265.x] [Citation(s) in RCA: 72] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
PROBLEM T cells bearing alphabeta T cell receptor (TcR) and gammadelta TcR are present at the fetomaternal interface, and the latter, which express surface activation markers, can react with fetal trophoblast cell antigens. What is the role of these cells? METHOD Using stress-abortion-prone DBA/2-mated CBA/J and abortion-resistant C57/B16 mice, alphabeta, gammadelta, and CD8+/- T cell subsets were measured in spleen and uterine decidua. The effect of immunization against abortion and administration of anti-TcR antibody in vivo was examined. Cytokine synthesis was measured by intracellular staining of Brefeldin A-treated cells. RESULTS Abortion-prone matings showed an unexpected accumulation of gammadelta T cells beginning in the peri-implantation period and this was suppressed by immunization against abortion. The immunization deleted gammadelta T cells producing the abortogenic cytokines, TNF-alpha and gamma-interferon, and increased production of the anti-abortive cytokines, IL-10 and transforming growth factor-beta2 (TGF-beta2). Immunization also boosted the number of alphabeta T cells which were present in the decidua as early as 2 days after implantation. In vivo injection of GL4 (anti-delta) depleted gammadelta T cells producing Th1 cytokines in the peri-implantation period, and prevented abortions, whereas H57 (anti-beta) decreased the number of alphabeta T cells and led to 100% abortions. CD8+ T cells present in peri-implant decidua before onset of abortions were mostly alphabeta TcR+, although some were gammadelta+. Changes in gammadelta and alphabeta T cells in pregnancy were most dramatic in uterine tissue. CONCLUSION Although decidual gammadelta T cells after formation of a distinct placenta and fetus produce anti-abortive TGF-beta2-like molecules and IL-10, prior events can lead to abortion. High local production of TNF-alpha and gamma-interferon develop during the peri-implantation phase because of an excessive increase in the Th1 cytokine+ subset of gammadelta cells; these cytokines may be contributed by other tissues in decidua, and the contribution of bioactive factors by gammadelta T cells may augment the cytokine pool. In contrast, alphabeta T cells (which may be inactivated by stress that causes abortions) may mediate the anti-abortive effect of alloimmunization. Alloimmunization involves a shift from a Th1 to a Th2 pattern in the gammadelta T cells in decidua.
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MESH Headings
- Abortion, Spontaneous/etiology
- Abortion, Spontaneous/immunology
- Abortion, Spontaneous/prevention & control
- Animals
- Antibodies, Monoclonal/immunology
- Antibodies, Monoclonal/therapeutic use
- Decidua/immunology
- Decidua/pathology
- Disease Susceptibility
- Female
- H-2 Antigens/immunology
- Interferon-gamma/metabolism
- Male
- Mice
- Mice, Inbred BALB C
- Mice, Inbred C57BL
- Mice, Inbred CBA
- Mice, Inbred DBA
- Pregnancy
- Pregnancy Outcome
- Pregnancy, Animal/immunology
- Receptors, Antigen, T-Cell, alpha-beta/immunology
- Receptors, Antigen, T-Cell, gamma-delta/immunology
- Spleen/immunology
- Stress, Physiological/complications
- T-Lymphocyte Subsets/immunology
- T-Lymphocyte Subsets/metabolism
- Tumor Necrosis Factor-alpha/metabolism
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Affiliation(s)
- P C Arck
- Department of Medicine, McMaster University Hamilton, Ontario, Canada
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49
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Olding LB, Papadogiannakis N, Barbieri B, Murgita RA. Suppressive cellular and molecular activities in maternofetal immune interactions; suppressor cell activity, prostaglandins, and alpha-fetoproteins. Curr Top Microbiol Immunol 1997; 222:159-87. [PMID: 9257491 DOI: 10.1007/978-3-642-60614-4_8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- L B Olding
- Karolinska Institute, Department of Immunology, Microbiology, Pathology and Infectious Diseases, Huddinge University Hospital, Sweden
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50
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Affiliation(s)
- P C Arck
- McMaster University, Departments of Medicine, Pathology, Obstetrics and Gynecology, Hamilton, Canada
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