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Sagrillo-Fagundes L, Bienvenue-Pariseault J, Legembre P, Vaillancourt C. An insight into the role of the death receptor CD95 throughout pregnancy: Guardian, facilitator, or foe. Birth Defects Res 2019; 111:197-211. [PMID: 30702213 DOI: 10.1002/bdr2.1470] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Accepted: 01/16/2019] [Indexed: 12/24/2022]
Abstract
The prototype death receptor CD95 (Fas) and its ligand, CD95L (FasL), have been thoroughly studied due to their role in immune homeostasis and elimination of infected and transformed cells. The fact that CD95 is present in female reproductive cells and modulated during embryogenesis and pregnancy has raised interest in its role in immune tolerance to the fetoplacental unit. CD95 has been shown to be critical for proper embryonic formation and survival. Moreover, altered expression of CD95 or its ligand causes autoimmunity and has also been directly involved in recurrent pregnancy losses and pregnancy disorders. The objective of this review is to summarize studies that evaluate the mechanisms involved in the activation of CD95 to provide an updated global view of its effect on the regulation of the maternal immune system. Modulation of the CD95 system components may be the immune basis of several common pregnancy disorders.
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Affiliation(s)
- Lucas Sagrillo-Fagundes
- Department of Environmental toxicology and Chemical Pharmacology, INRS - Institut Armand-Frappier and Center for Interdisciplinary Research on Well-Being, Health, Society and Environment, Laval, Quebec, Canada
| | - Josianne Bienvenue-Pariseault
- Department of Environmental toxicology and Chemical Pharmacology, INRS - Institut Armand-Frappier and Center for Interdisciplinary Research on Well-Being, Health, Society and Environment, Laval, Quebec, Canada
| | - Patrick Legembre
- Oncogenesis, Stress & Signaling Laboratory INSERM ERL440, Centre Eugène Marquis, Inserm U1242, Equipe Ligue Contre Le Cancer, Rennes, France
| | - Cathy Vaillancourt
- Department of Environmental toxicology and Chemical Pharmacology, INRS - Institut Armand-Frappier and Center for Interdisciplinary Research on Well-Being, Health, Society and Environment, Laval, Quebec, Canada
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Vallvé-Juanico J, Suárez-Salvador E, Castellví J, Ballesteros A, Taylor HS, Gil-Moreno A, Santamaria X. Aberrant expression of epithelial leucine-rich repeat containing G protein-coupled receptor 5-positive cells in the eutopic endometrium in endometriosis and implications in deep-infiltrating endometriosis. Fertil Steril 2017; 108:858-867.e2. [PMID: 28923287 DOI: 10.1016/j.fertnstert.2017.08.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 07/25/2017] [Accepted: 08/10/2017] [Indexed: 12/17/2022]
Abstract
OBJECTIVE To characterize leucine-rich repeat containing G protein-coupled receptor 5-positive (LGR5+) cells from the endometrium of women with endometriosis. DESIGN Prospective experimental study. SETTING University hospital/fertility clinic. PATIENT(S) Twenty-seven women with endometriosis who underwent surgery and 12 healthy egg donors, together comprising 39 endometrial samples. INTERVENTION(S) Obtaining of uterine aspirates by using a Cornier Pipelle. MAIN OUTCOMES MEASURE(S) Immunofluorescence in formalin-fixed paraffin-embedded tissue from mice and healthy and pathologic human endometrium using antibodies against LGR5, E-cadherin, and cytokeratin, and epithelial and stromal LGR5+ cells isolated from healthy and pathologic human eutopic endometrium by fluorescence-activated cell sorting and transcriptomic characterization by RNA high sequencing. RESULT(S) Immunofluorescence showed that LGR5+ cells colocalized with epithelial markers in the stroma of the endometrium only in endometriotic patients. The results from RNA high sequencing of LGR5+ cells from epithelium and stroma did not show any statistically significant differences between them. The LGR5+ versus LGR5- cells in pathologic endometrium showed 394 differentially expressed genes. The LGR5+ cells in deep-infiltrating endometriosis expressed inflammatory markers not present in the other types of the disease. CONCLUSION(S) Our results revealed the presence of aberrantly located LGR5+ cells coexpressing epithelial markers in the stromal compartment of women with endometriosis. These cells have a statistically significantly different expression profile in deep-infiltrating endometriosis in comparison with other types of endometriosis, independent of the menstrual cycle phase. Further studies are needed to elucidate their role and influence in reproductive outcomes.
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Affiliation(s)
- Júlia Vallvé-Juanico
- Department of Gynecology, IVI Barcelona S.L., Barcelona, Spain; Group of Biomedical Research in Gynecology, Vall Hebron Research Institute (VHIR) and University Hospital, Barcelona, Spain; Universitat Autònoma de Barcelona, Barcelona, Spain
| | | | - Josep Castellví
- Department of Pathology, Vall d'Hebron University Hospital, Barcelona, Spain
| | | | - Hugh S Taylor
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut
| | - Antonio Gil-Moreno
- Group of Biomedical Research in Gynecology, Vall Hebron Research Institute (VHIR) and University Hospital, Barcelona, Spain; Universitat Autònoma de Barcelona, Barcelona, Spain; Department of Gynecology, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Xavier Santamaria
- Department of Gynecology, IVI Barcelona S.L., Barcelona, Spain; Group of Biomedical Research in Gynecology, Vall Hebron Research Institute (VHIR) and University Hospital, Barcelona, Spain.
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Gelman PL, Flores-Ramos M, López-Martínez M, Fuentes CC, Grajeda JPR. Hypothalamic-pituitary-adrenal axis function during perinatal depression. Neurosci Bull 2015; 31:338-50. [PMID: 25732527 DOI: 10.1007/s12264-014-1508-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2014] [Accepted: 09/24/2014] [Indexed: 12/01/2022] Open
Abstract
Abnormal function of the hypothalamic-pituitary-adrenal (HPA) axis is an important pathological finding in pregnant women exhibiting major depressive disorder. They show high levels of cortisol pro-inflammatory cytokines, hypothalamic-pituitary peptide hormones and catecholamines, along with low dehydroepiandrosterone levels in plasma. During pregnancy, the TH2 balance together with the immune system and placental factors play crucial roles in the development of the fetal allograft to full term. These factors, when altered, may generate a persistent dysfunction of the HPA axis that may lead to an overt transfer of cortisol and toxicity to the fetus at the expense of reduced activity of placental 11β-hydroxysteroid dehydrogenase type 2. Epigenetic modifications also may contribute to the dysregulation of the HPA axis. Affective disorders in pregnant women should be taken seriously, and therapies focused on preventing the deleterious effects of stressors should be implemented to promote the welfare of both mother and baby.
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Abstract
The complex mechanisms controlling human parturition involves mother, fetus, and placenta, and stress is a key element activating a series of physiological adaptive responses. Preterm birth is a clinical syndrome that shares several characteristics with term birth. A major role for the neuroendocrine mechanisms has been proposed, and placenta/membranes are sources for neurohormones and peptides. Oxytocin (OT) is the neurohormone whose major target is uterine contractility and placenta represents a novel source that contributes to the mechanisms of parturition. The CRH/urocortin (Ucn) family is another important neuroendocrine pathway involved in term and preterm birth. The CRH/Ucn family consists of four ligands: CRH, Ucn, Ucn2, and Ucn3. These peptides have a pleyotropic function and are expressed by human placenta and fetal membranes. Uterine contractility, blood vessel tone, and immune function are influenced by CRH/Ucns during pregnancy and undergo major changes at parturition. Among the others, neurohormones, relaxin, parathyroid hormone-related protein, opioids, neurosteroids, and monoamines are expressed and secreted from placental tissues at parturition. Preterm birth is the consequence of a premature and sustained activation of endocrine and immune responses. A preterm birth evidence for a premature activation of OT secretion as well as increased maternal plasma CRH levels suggests a pathogenic role of these neurohormones. A decrease of maternal serum CRH-binding protein is a concurrent event. At midgestation, placental hypersecretion of CRH or Ucn has been proposed as a predictive marker of subsequent preterm delivery. While placenta represents the major source for CRH, fetus abundantly secretes Ucn and adrenal dehydroepiandrosterone in women with preterm birth. The relevant role of neuroendocrine mechanisms in preterm birth is sustained by basic and clinic implications.
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Affiliation(s)
- Felice Petraglia
- University of Siena, Policlinico, Division of Obstetrics and Gynecology, Department of Pediatrics, Obstetrics, and Reproductive Medicine, Viale Bracci, 53100 Siena, Italy.
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Kalantaridou SN, Zoumakis E, Weil S, Lavasidis LG, Chrousos GP, Makrigiannakis A. Reproductive Corticotropin Releasing Hormone, Implantation, and Fetal Immunotolerance. Crit Rev Clin Lab Sci 2008; 44:461-81. [DOI: 10.1080/10408360701548468] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Michael AE, Papageorghiou AT. Potential significance of physiological and pharmacological glucocorticoids in early pregnancy. Hum Reprod Update 2008; 14:497-517. [DOI: 10.1093/humupd/dmn021] [Citation(s) in RCA: 99] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
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Makrigiannakis A, Gravanis A. Immune function in pregnancy: the role of corticotropin-releasing hormone. Expert Rev Endocrinol Metab 2008; 3:315-325. [PMID: 30754199 DOI: 10.1586/17446651.3.3.315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Pregnancy represents a major challenge to the maternal immune system since it has to tolerate the semi-allograft fetus. Indeed, the success of pregnancy requires an appropriate immunological interaction between the mother and the fetus. Furthermore, evidence suggests that some pregnancy complications, such as spontaneous abortions, preeclampsia and intrauterine growth restriction, are associated with abnormal maternal-fetal immune responses. Corticotropin-releasing hormone (CRH), a 41-amino acid peptide originally found in the hypothalamus, appears to have a fundamental role in the mechanisms responsible for the implantation and maintenance of human pregnancy. Reproductive CRH is a form of tissue CRH (CRH found in peripheral tissues), analogous to the immune CRH detected in peripheral inflammatory sites. Reproductive CRH has been identified in the endometrial glands, the decidualized endometrial stroma and the placental trophoblast, synctiotrophoblast and decidua. Reproductive CRH participates in various reproductive functions with an inflammatory component, where it serves as an autocrine/paracrine modulator. The immunological mechanisms contributing to the establishment and maintenance of pregnancy are not fully understood. The present article focuses on the potential roles of CRH on the physiology and pathophysiology of pregnancy and highlights its participation in implantation, early fetal immunotolerance and parturition.
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Affiliation(s)
- Antonis Makrigiannakis
- a Laboratory of Human Reproduction, Department of Obstetrics and Gynecology, Medical School, University of Crete, Heraklion 71003, Greece.
| | - Achille Gravanis
- b Department of Pharmacology, Medical School, University of Crete, Heraklion 71003, Greece.
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Mastorakos G, Karoutsou EI, Mizamtsidi M. Corticotropin releasing hormone and the immune/inflammatory response. Eur J Endocrinol 2006. [DOI: 10.1530/eje.1.02243] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Hypothalamic corticotropin-releasing hormone (CRH) acts as the major physiologic ACTH secretagog. Moreover, CRH is distributed in the brain and spinal cord, adrenal medulla, testes, ovaries, gastrointestinal tract, pancreas, myometrium, endometrium, placenta, and diverse inflammatory sites. Immunoreactive CRH has been found in the cytoplasm of immune accessory cells (macrophages, endothelial cells, and tissue fibroblasts), and in inflammatory sites of both acute and chronic inflammation (synovial lining cell layers and blood vessels from the joints of patients with rheumatoid arthritis and osteoarthritis). Additionally, the local presence of CRH in the uveitic eyes, cytoplasm of inflammatory cells (macrophages, lymphocytes, and polymorphonuclear cells) infiltrating the iris, ciliary body, vitreous, retina, and choroid appears to be of pivotal importance in the process of experimental autoimmune uveoretinitis. Traditionally, hypothalamic CRH has been considered to act indirectly in an anti-inflammatory fashion, since the end product of the hypothalamic–pituitary–adrenal axis is cortisol, a well-known anti-inflammatory compound. However, CRH produced at peripheral inflammatory sites has been shown to participate in an autocrine/paracrine stimulation of inflammation. Thus, CRH may have a peripheral, primarily activating role on the immune system. The mechanisms of the CRH-mediated component of the immune/inflammatory response are still unclear. CRH in inflammatory sites seems to be involved in the activation of the Fas/Fas ligand system. Furthermore, locally produced embryonic and endometrial CRH plays a role in both the aseptic inflammatory process of implantation and the anti-rejection process that protects the fetus from the maternal immune system. There are two types of G-protein-coupled CRH receptors (CRH-R1 and CRH-R2). Pyrrolopyrimidine compounds, such as antalarmin, have been developed as CRH-R1 receptor antagonists. Confirming the peripheral pro-inflammatory actions of CRH, antalarmin has been shown to suppress experimental aseptic inflammation. Thus, antalarmin may represent the first in a new class of anti-inflammatory agents operating through CRH-R1. Studies of CRH genetics have provided new insights on the pathogenesis of rheumatoid arthritis in humans. DNA variation across the CRH gene-containing region has been examined in families with multiple cases of rheumatoid arthritis. Transmission Disequilibrium Test analysis showed significant association at the CRH locus.
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Sehringer B, Zahradnik HP, Deppert WR, Simon M, Noethling C, Schaefer WR. Evaluation of different strategies for real-time RT-PCR expression analysis of corticotropin-releasing hormone and related proteins in human gestational tissues. Anal Bioanal Chem 2005; 383:768-75. [PMID: 16189679 DOI: 10.1007/s00216-005-0067-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2004] [Revised: 08/03/2005] [Accepted: 08/09/2005] [Indexed: 11/26/2022]
Abstract
In this article real-time quantitative RT-PCR strategies for investigation of mRNA distribution in stress-related corticotropin-releasing hormone (CRH), CRH-binding protein (CRH-BP), and CRH receptors (CRH-R1, CRH-R2) in human gestational tissues are described. The effect of sample and RNA preparation, reverse transcription, and the quantitation strategy were investigated. Both thawing of the sample before homogenization and the RT reaction were identified as critical steps. In contrast, the time-lag from the biopsy until snap-freezing and the homogenization procedure had little effect. The "housekeeping" gene cyclophilin was found to be differently expressed in gestational tissues, compromising its use as internal reference. For relative quantitation of mRNA levels by TaqMan PCR the standard curve method and the comparative C (T) method (DeltaDeltaC (T) or DeltaC (T)' method) were compared. Both calculation strategies delivered similar relative mRNA amounts in identifying the placenta as the main source of CRH and CRH-BP mRNA compared with myometrium and decidua. Consistent results were also obtained for CRH-R1 and CRH-R2 by both methods of calculation. We conclude that the simpler comparative C (T) method is adequate for assessing the mRNA levels of CRH, CRH-BP, and CRH receptors in human gestational tissues.
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Affiliation(s)
- Bernd Sehringer
- Department of Obstetrics and Gynaecology, Endocrinology Laboratory, University of Freiburg, Hugstetter Str. 55, 79106 Freiburg, Germany
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Abstract
Data on biological effects and localization of corticotropin-releasing factor (CRF), a neuropeptide structurally and biologically related to urocortins, have triggered the study on expression of urocortins and their function in human reproductive tissues. Ovary, endometrium, placenta and fetal membranes (amnion and chorion), myometrium, and prostate are sources of urocortin 1 and, they also express urocortin binding sites (receptors and CRF-binding protein), thus suggesting that these tissues are also targets of urocortin 1. The current concept thus is that urocortin 1 may affect the physiology of human reproduction through paracrine/autocrine actions. In particular, in vitro data have shown that urocortin 1 plays a major role in human placenta: it stimulates the secretion of ACTH, prostaglandins and activin A from cultured human placental cells, and regulates placental vessel resistance to blood flow. Furthermore, when incubated in myometrial strips, urocortins stimulate uterine contractility, by activating specific intracellular pathways. Taken together, these findings do suggest an important role of urocortins in the physiology of pregnancy and parturition.
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Affiliation(s)
- Pasquale Florio
- Department of Pediatrics, Obstetrics and Reproductive Medicine, University of Siena, Siena, Italy
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Florio P, Rossi M, Sigurdardottir M, Ciarmela P, Luisi S, Viganò P, Grasso D, Fiore G, Cobellis L, Di Blasio AM, Petraglia F. Paracrine regulation of endometrial function: interaction between progesterone and corticotropin-releasing factor (CRF) and activin A. Steroids 2003; 68:801-7. [PMID: 14667971 DOI: 10.1016/s0039-128x(03)00137-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Under the influence of ovarian steroid hormones, endometrial cells aer able to produce a wide variety of growth factors and peptide hormones that area believed to promote: (1) physiological growth and differentiation during the endometrial cycle; (2) decidualization, an essential preparative event for establishment of pregnancy; and (3) pathological growth and differentiation in endometriosis and cancer. Among the local factors produced by the human endometrium, corticotropin-releasing factor (CRF) and activin A have been evaluated in terms of localization and effects. CRF is a neuropeptide expressed by the epithelial and stromal cells of the human endometrium in increasing amounts from the endometrial proliferative to the secretory phase. CRF expression also increases in the pregnant endometrium, from early in the pregnancy until term. CRF-type 1 receptor mRNA is only expressed by stromal cells. Progesterone induces CRF gene expression and release from decidualized cells and CRF decidualizes cultured stromal endometrial cells. Urocortin, a CRF-related peptide, has been identified in endometrial epithelial and stromal cells, and its function is still under investigation. Activin A is a growth factor expressed in increasing amounts throughout endometrial phases by both epithelial and stromal cells. This growth factor is secreted into the uterine cavity with higher levels in the secretory phase. Maternal decidua expresses activin A mRNA in increasing amounts from early pregnancy until term. Human endometrium also expresses activin-A receptors and follistatin, its binding protein. Activin A decidualizes cultured human endometrial stromal cells (an effect reversed by follistatin) and modulates embryonic trophoblast differentiation and adhesion. Activin A is expressed in endometriosis and endometrial adenocarcinoma.
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Affiliation(s)
- Pasquale Florio
- Department of Pediatrics, Obstetrics and Reproductive Medicine, University of Siena, Policlinico Le Scotte, viale Bracci, Siena 53100, Italy
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