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Carvalho DP, Dias AF, Sferruzzi-Perri AN, Ortiga-Carvalho TM. Gaps in the knowledge of thyroid hormones and placental biology. Biol Reprod 2022; 106:1033-1048. [DOI: 10.1093/biolre/ioac006] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 01/10/2022] [Accepted: 01/11/2022] [Indexed: 11/14/2022] Open
Abstract
Abstract
Thyroid hormones (THs) are required for the growth and development of the foetus, stimulating anabolism and oxygen consumption from the early stages of pregnancy to the period of foetal differentiation close to delivery. Maternal changes in the hypothalamic–pituitary thyroid axis are also well known. In contrast, several open questions remain regarding the relationships between the placenta and the maternal and foetal TH systems. The exact mechanism by which the placenta participates in regulating the TH concentration in the foetus and mother and the role of TH in the placenta are still poorly studied. In this review, we aim to summarize the available data in the area and highlight significant gaps in our understanding of the ontogeny and cell-specific localization of TH transporters, TH receptors and TH metabolic enzymes in the placenta in both human and rodent models. Significant deficiencies also exist in knowledge of the contribution of genomic and nongenomic effects of TH on the placenta and finally how the placenta reacts during pregnancy when the mother has thyroid disease. By addressing these key knowledge gaps, improved pregnancy outcomes and management of women with thyroid alterations may be possible.
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Affiliation(s)
- Daniela Pereira Carvalho
- Instituto de Biofísica Carlos Chagas Filho, Laboratório de Endocrinologia Translacional, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ariane Fontes Dias
- Instituto de Biofísica Carlos Chagas Filho, Laboratório de Endocrinologia Translacional, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Amanda Nancy Sferruzzi-Perri
- Centre for Trophoblast Research, Department of Physiology, Development and Neuroscience, University of Cambridge, UK
| | - Tania Maria Ortiga-Carvalho
- Instituto de Biofísica Carlos Chagas Filho, Laboratório de Endocrinologia Translacional, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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Rao M, Zeng Z, Zhou F, Wang H, Liu J, Wang R, Wen Y, Yang Z, Su C, Su Z, Zhao S, Tang L. Effect of levothyroxine supplementation on pregnancy loss and preterm birth in women with subclinical hypothyroidism and thyroid autoimmunity: a systematic review and meta-analysis. Hum Reprod Update 2020; 25:344-361. [PMID: 30951172 DOI: 10.1093/humupd/dmz003] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Revised: 12/15/2018] [Accepted: 01/16/2019] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Subclinical hypothyroidism (SCH) and thyroid autoimmunity (TAI) are associated with adverse pregnancy outcomes such as pregnancy loss and preterm birth. However, the ability of levothyroxine (LT4) supplementation to attenuate the risks of these outcomes remains controversial. OBJECTIVE AND RATIONALE This systematic review and meta-analysis was conducted to determine the effect of LT4 supplementation on pregnancy loss rate (PLR) and preterm birth rate (PBR) among pregnant women with SCH and TAI. SEARCH METHODS A systematic literature search of the PubMed, EMBASE, Web of Science and Cochrane Controlled Trials Register databases and Clinicaltrials.gov was performed to identify all relevant English studies published up to April 2018. The following terms were used for the search: [subclinical hypothyroidism OR thyroid autoimmunity OR thyroperoxidase antibody (TPO-Ab) OR thyroglobulin antibodies (Tg-Ab)] AND (levothyroxine OR euthyrox) AND [pregnancy outcome OR miscarriage OR abortion OR pregnancy loss OR preterm birth OR premature delivery OR early labo(u)r]. The reference lists of the relevant publications were also manually searched for related studies. Published manuscripts were included if they reported data on pregnancy loss, preterm birth or both. We separately analysed the pooled effects of LT4 supplementation on PLR and PBR in women with SCH and TAI. OUTCOMES Overall, 13 eligible studies including 7970 women were included in the meta-analysis. Eight and five of these studies were randomized controlled trials (RCTs) and retrospective studies, respectively. The pooled results indicated that LT4 supplementation significantly decreased the PLR [relative risk (RR) = 0.56, 95% confidence interval (CI): 0.42-0.75, I2 = 1%, 12 studies] and PBR (RR = 0.68, 95% CI: 0.51-0.91, I2 = 21%, eight studies) in women with SCH and/or TAI. We further found that LT4 supplementation significantly decreased the risk of pregnancy loss (RR = 0.43, 95% CI: 0.26-0.72, P = 0.001, I2 = 0%) but not of preterm birth (RR = 0.67, 95% CI: 0.41-1.12, P = 0.13, I2 = 0%) in women with SCH. Furthermore, LT4 supplementation significantly decreased the risks of both pregnancy loss (RR = 0.63, 95% CI: 0.45-0.89, P = 0.009, I2 = 0%) and preterm birth (RR = 0.68 95% CI: 0.48-0.98, P = 0.04, I2 = 46%) in women with TAI. These results were consistent when only RCTs were included in the analysis. Further, in women with SCH, LT4 supplementation reduced the risk of pregnancy loss in pregnancies achieved by assisted reproduction (RR = 0.27, 95% CI: 0.14-0.52, P < 0.001, I2 = 14%) but not in naturally conceived pregnancies (RR = 0.60, 95% CI: 0.28-1.30, P = 0.13, I2 = 0%). By contrast, in women with TAI, LT4 supplementation reduced the risks of both pregnancy loss (RR = 0.61, 95% CI: 0.39-0.96, P = 0.03, I2 = 0%) and preterm birth (RR = 0.49, 95% CI: 0.30-0.79, P = 0.003, I2 = 0%) in naturally conceived pregnancies but not in pregnancies achieved by assisted reproduction (RR = 0.68, 95% CI: 0.40-1.15, P = 0.15, I2 = 0% for pregnancy loss and RR = 1.20, 95% CI: 0.68-2.13, P = 0.53, I2 not applicable for preterm birth). WIDER IMPLICATIONS This meta-analysis confirmed the beneficial effects of LT4 supplementation, namely the reduced risks of pregnancy loss and preterm birth, among pregnant women with SCH and/or TAI. The different effects of LT4 supplementation on naturally conceived pregnancies and pregnancies achieved by assisted reproduction in women with SCH and/or TAI suggest that these women should be managed separately. Due to the limited number of studies included in this meta-analysis, especially in the subgroup analysis, further large RCTs and fundamental studies are warranted to confirm the conclusions and better clarify the molecular mechanism underlying these associations.
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Affiliation(s)
- Meng Rao
- Department of Reproduction and Genetics, the First Affiliated Hospital of Kunming Medical University, No. 295 Xi Chang road, Kunming, China
| | - Zhengyan Zeng
- Department of Neurology, the First Affiliated Hospital of Kunming Medical University, No. 295 Xi Chang road, Kunming, China
| | - Fang Zhou
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, No. 13 Hang Kong road, Wuhan, China
| | - Huawei Wang
- Department of Reproduction and Genetics, the First Affiliated Hospital of Kunming Medical University, No. 295 Xi Chang road, Kunming, China
| | - Jiang Liu
- Department of Reproduction and Genetics, the First Affiliated Hospital of Kunming Medical University, No. 295 Xi Chang road, Kunming, China
| | - Rui Wang
- Department of Reproduction and Genetics, the First Affiliated Hospital of Kunming Medical University, No. 295 Xi Chang road, Kunming, China
| | - Ya Wen
- Department of Reproduction and Genetics, the First Affiliated Hospital of Kunming Medical University, No. 295 Xi Chang road, Kunming, China
| | - Zexing Yang
- Department of Reproduction and Genetics, the First Affiliated Hospital of Kunming Medical University, No. 295 Xi Chang road, Kunming, China
| | - Cunmei Su
- Department of Reproduction and Genetics, the First Affiliated Hospital of Kunming Medical University, No. 295 Xi Chang road, Kunming, China
| | - Zhenfang Su
- Department of Reproduction and Genetics, the First Affiliated Hospital of Kunming Medical University, No. 295 Xi Chang road, Kunming, China
| | - Shuhua Zhao
- Department of Reproduction and Genetics, the First Affiliated Hospital of Kunming Medical University, No. 295 Xi Chang road, Kunming, China
| | - Li Tang
- Department of Reproduction and Genetics, the First Affiliated Hospital of Kunming Medical University, No. 295 Xi Chang road, Kunming, China
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Silva JF, Ocarino NM, Serakides R. Thyroid hormones and female reproduction. Biol Reprod 2019; 99:907-921. [PMID: 29767691 DOI: 10.1093/biolre/ioy115] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 05/13/2018] [Indexed: 12/31/2022] Open
Abstract
Thyroid hormones are vital for the proper functioning of the female reproductive system, since they modulate the metabolism and development of ovarian, uterine, and placental tissues. Therefore, hypo- and hyperthyroidism may result in subfertility or infertility in both women and animals. Other well-documented sequelae of maternal thyroid dysfunctions include menstrual/estral irregularity, anovulation, abortion, preterm delivery, preeclampsia, intrauterine growth restriction, postpartum thyroiditis, and mental retardation in children. Several studies have been carried out involving prospective and retrospective studies of women with thyroid dysfunction, as well as in vivo and in vitro assays of hypo- and hyperthyroidism using experimental animal models and/or ovarian, uterine, and placental cell culture. These studies have sought to elucidate the mechanisms by which thyroid hormones influence reproduction to better understand the physiology of the reproductive system and to provide better therapeutic tools for reproductive dysfunctions that originate from thyroid dysfunctions. Therefore, this review aims to summarize and update the available information related to the role of thyroid hormones in the morphophysiology of the ovary, uterus, and placenta in women and animals and the effects of hypo- and hyperthyroidism on the female reproductive system.
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Affiliation(s)
- Juneo F Silva
- Centro de Microscopia Eletrônica, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Bahia, Brazil
| | - Natália M Ocarino
- Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Rogéria Serakides
- Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
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Huebner H, Hartner A, Rascher W, Strick RR, Kehl S, Heindl F, Wachter DL, Beckmann Md MW, Fahlbusch FB, Ruebner M. Expression and Regulation of Retinoic Acid Receptor Responders in the Human Placenta. Reprod Sci 2017; 25:1357-1370. [PMID: 29246089 DOI: 10.1177/1933719117746761] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Retinoic acid (RA) signaling through its receptors (RARA, RARB, RARG, and the retinoic X receptor RXRA) is essential for healthy placental and fetal development. An important group of genes regulated by RA are the RA receptor responders (RARRES1, 2, and 3). We set out to analyze their expression and regulation in healthy and pathologically altered placentas of preeclampsia (PE) and intrauterine growth restriction (IUGR) as well as in trophoblast cell lines. METHODS We performed immunohistochemical staining on placental sections and analyzed gene expression by real-time polymerase chain reaction. Additionally, we performed cell culture experiments and stimulated Swan71 and Jeg-3 cells with different RA derivates and 2'-deoxy-5-azacytidine (AZA) to induce DNA demethylation. RESULTS RARRES1, 2, and 3 and RARA, RARB, RARG, and RXRA are expressed in the extravillous part of the placenta. RARRES1, RARA, RARG, and RXRA were additionally detected in villous cytotrophoblasts. RARRES gene expression was induced via activation of RARA, RARB, and RARG in trophoblast cells. RARRES1 was overexpressed in villous trophoblasts and the syncytiotrophoblast from PE placentas, but not in IUGR without PE. Promoter methylation was detectable for RARRES1 and RARB based on their sensitivity toward AZA treatment of trophoblast cell lines. DISCUSSION RARRES1, 2 and 3 are expressed in the functional compartments of the human placenta and can be regulated by RA. We hypothesize that the epigenetic suppression of trophoblast RARRES1 and RARB expression and the upregulation of RARRES1 in PE trophoblast cells suggest an involvement of environmental factors (eg, maternal vitamin A intake) in the pathogenesis of this pregnancy complication.
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Affiliation(s)
- Hanna Huebner
- 1 Department of Gynecology and Obstetrics, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - Andrea Hartner
- 2 Department of Pediatrics and Adolescent Medicine, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany
| | - Wolfgang Rascher
- 2 Department of Pediatrics and Adolescent Medicine, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany
| | - Reiner R Strick
- 1 Department of Gynecology and Obstetrics, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - Sven Kehl
- 1 Department of Gynecology and Obstetrics, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - Felix Heindl
- 1 Department of Gynecology and Obstetrics, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - David L Wachter
- 3 Institute of Pathology, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany * The authors are contributed equally
| | - Matthias W Beckmann Md
- 1 Department of Gynecology and Obstetrics, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - Fabian B Fahlbusch
- 2 Department of Pediatrics and Adolescent Medicine, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany
| | - Matthias Ruebner
- 1 Department of Gynecology and Obstetrics, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany
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Baines K, Renaud S. Transcription Factors That Regulate Trophoblast Development and Function. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2017; 145:39-88. [DOI: 10.1016/bs.pmbts.2016.12.003] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Comptour A, Rouzaire M, Belville C, Bouvier D, Gallot D, Blanchon L, Sapin V. Nuclear retinoid receptors and pregnancy: placental transfer, functions, and pharmacological aspects. Cell Mol Life Sci 2016; 73:3823-37. [PMID: 27502420 PMCID: PMC11108506 DOI: 10.1007/s00018-016-2332-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 08/04/2016] [Indexed: 10/21/2022]
Abstract
Animal models of vitamin A (retinol) deficiency have highlighted its crucial role in reproduction and placentation, whereas an excess of retinoids (structurally or functionally related entities) can cause toxic and teratogenic effects in the embryo and foetus, especially in the first trimester of human pregnancy. Knock-out experimental strategies-targeting retinoid nuclear receptors RARs and RXRs have confirmed that the effects of vitamin A are mediated by retinoic acid (especially all-trans retinoic acid) and that this vitamin is essential for the developmental process. All these data show that the vitamin A pathway and metabolism are as important for the well-being of the foetus, as they are for that of the adult. Accordingly, during this last decade, extensive research on retinoid metabolism has yielded detailed knowledge on all the actors in this pathway, spurring the development of antagonists and agonists for therapeutic and research applications. Natural and synthetic retinoids are currently used in clinical practice, most often on the skin for the treatment of acne, and as anti-oncogenic agents in acute promyelocytic leukaemia. However, because of the toxicity and teratogenicity of retinoids during pregnancy, their pharmacological use needs a sound knowledge of their metabolism, molecular aspects, placental transfer, and action.
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Affiliation(s)
- Aurélie Comptour
- EA7281, Retinoids, Reproduction Developmental Diseases, School of Medicine, Clermont Université, Université d'Auvergne, 63000, Clermont-Ferrand, France
| | - Marion Rouzaire
- EA7281, Retinoids, Reproduction Developmental Diseases, School of Medicine, Clermont Université, Université d'Auvergne, 63000, Clermont-Ferrand, France
| | - Corinne Belville
- EA7281, Retinoids, Reproduction Developmental Diseases, School of Medicine, Clermont Université, Université d'Auvergne, 63000, Clermont-Ferrand, France
- GReD, Clermont Université, Université d'Auvergne, 63000, Clermont-Ferrand, France
| | - Damien Bouvier
- EA7281, Retinoids, Reproduction Developmental Diseases, School of Medicine, Clermont Université, Université d'Auvergne, 63000, Clermont-Ferrand, France
- Biochemistry and Molecular Biology Department, CHU Clermont-Ferrand, 63000, Clermont-Ferrand, France
| | - Denis Gallot
- EA7281, Retinoids, Reproduction Developmental Diseases, School of Medicine, Clermont Université, Université d'Auvergne, 63000, Clermont-Ferrand, France
- Obstetrics and Gynecology Department, CHU Clermont-Ferrand, 63000, Clermont-Ferrand, France
| | - Loïc Blanchon
- EA7281, Retinoids, Reproduction Developmental Diseases, School of Medicine, Clermont Université, Université d'Auvergne, 63000, Clermont-Ferrand, France
| | - Vincent Sapin
- EA7281, Retinoids, Reproduction Developmental Diseases, School of Medicine, Clermont Université, Université d'Auvergne, 63000, Clermont-Ferrand, France.
- Biochemistry and Molecular Biology Department, CHU Clermont-Ferrand, 63000, Clermont-Ferrand, France.
- Laboratoire de Biochimie Médicale, 4R3, Faculté de Médecine, 28 Place Henri-Dunant, BP38, 63001, Clermont-Ferrand Cedex, France.
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Gernand AD, Schulze KJ, Nanayakkara-Bind A, Arguello M, Shamim AA, Ali H, Wu L, West KP, Christian P. Effects of Prenatal Multiple Micronutrient Supplementation on Fetal Growth Factors: A Cluster-Randomized, Controlled Trial in Rural Bangladesh. PLoS One 2015; 10:e0137269. [PMID: 26431336 PMCID: PMC4591978 DOI: 10.1371/journal.pone.0137269] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Accepted: 08/15/2015] [Indexed: 11/19/2022] Open
Abstract
Prenatal multiple micronutrient (MM) supplementation improves birth weight through increased fetal growth and gestational age, but whether maternal or fetal growth factors are involved is unclear. Our objective was to examine the effect of prenatal MM supplementation on intrauterine growth factors and the associations between growth factors and birth outcomes in a rural setting in Bangladesh. In a double-blind, cluster-randomized, controlled trial of MM vs. iron and folic acid (IFA) supplementation, we measured placental growth hormone (PGH) at 10 weeks and PGH and human placental lactogen (hPL) at 32 weeks gestation in maternal plasma (n = 396) and insulin, insulin-like growth factor-1 (IGF-1), and IGF binding protein-1 (IGFBP-1) in cord plasma (n = 325). Birth size and gestational age were also assessed. Early pregnancy mean (SD) BMI was 19.5 (2.4) kg/m2 and birth weight was 2.68 (0.41) kg. There was no effect of MM on concentrations of maternal hPL or PGH, or cord insulin, IGF-1, or IGFBP-1. However, among pregnancies of female offspring, hPL concentration was higher by 1.1 mg/L in the third trimester (95% CI: 0.2, 2.0 mg/L; p = 0.09 for interaction); and among women with height <145 cm, insulin was higher by 59% (95% CI: 3, 115%; p = 0.05 for interaction) in the MM vs. IFA group. Maternal hPL and cord blood insulin and IGF-1 were positively, and IGFBP-1 was negatively, associated with birth weight z score and other measures of birth size (all p<0.05). IGF-1 was inversely associated with gestational age (p<0.05), but other growth factors were not associated with gestational age or preterm birth. Prenatal MM supplementation had no overall impact on intrauterine growth factors. MM supplementation altered some growth factors differentially by maternal early pregnancy nutritional status and sex of the offspring, but this should be examined in other studies.
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Affiliation(s)
- Alison D. Gernand
- Department of International Health, Center for Human Nutrition, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States of America
- Department of Nutritional Sciences, Pennsylvania State University, University Park, PA, United States of America
| | - Kerry J. Schulze
- Department of International Health, Center for Human Nutrition, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States of America
| | - Ashika Nanayakkara-Bind
- Department of International Health, Center for Human Nutrition, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States of America
| | - Margia Arguello
- Department of International Health, Center for Human Nutrition, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States of America
| | | | - Hasmot Ali
- The JiVitA Project, Gaibandha, Bangladesh
| | - Lee Wu
- Department of International Health, Center for Human Nutrition, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States of America
| | - Keith P. West
- Department of International Health, Center for Human Nutrition, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States of America
| | - Parul Christian
- Department of International Health, Center for Human Nutrition, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States of America
- * E-mail:
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Vissenberg R, Manders VD, Mastenbroek S, Fliers E, Afink GB, Ris-Stalpers C, Goddijn M, Bisschop PH. Pathophysiological aspects of thyroid hormone disorders/thyroid peroxidase autoantibodies and reproduction. Hum Reprod Update 2015; 21:378-87. [PMID: 25634660 DOI: 10.1093/humupd/dmv004] [Citation(s) in RCA: 133] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Accepted: 01/09/2015] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND Thyroid hormone disorders and thyroid peroxidase autoantibodies (TPO-Ab) in women are associated with subfertility and early pregnancy loss. Here, we aim to provide a comprehensive overview of the literature on the pathophysiology of these associations. METHODS A review of the literature in the English language was carried out. Relevant studies were identified by searching Medline, EMBASE and the Cochrane Controlled Trials Register from 1975 until March 2014. RESULTS From a total of 6108 primary selected articles from the literature search, 105 articles were selected for critical appraisal. Observational data indicate that altered thyroid hormone levels are associated with disturbed folliculogenesis, spermatogenesis, lower fertilization rates and lower embryo quality. Triiodothyronine (T3) in combination with FSH enhances granulosa cell proliferation and inhibits granulosa cell apoptosis by the PI3K/Akt pathway. T3 is considered a biological amplifier of the stimulatory action of gonadotrophins on granulosa cell function. T3 increases the expression of matrix metalloproteinases (MMP), MMP-2, MMP-3, fetal fibronectin and integrin α5β1T3 in early placental extravillous trophoblasts. Thyroid hormone transporters and receptors are expressed in the ovary, early embryo, endometrium, uterus and placenta. No other data explaining the associations could be retrieved from the literature. The presence of TPO-Ab is negatively associated with spermatogenesis, fertilization and embryo quality, but no data are available on the potential pathophysiological mechanisms. CONCLUSIONS Thyroid hormone disorders and TPO-Ab are associated with disturbed folliculogenesis, spermatogenesis, fertilization and embryogenesis. The pathophysiology of these associations remains largely unknown, as evidence is limited and includes studies using small sample sizes, and often restricted to animal models. There are no studies on the pathophysiology underlying the association between TPO-Ab and reproduction. The available evidence, although limited, supports a role of thyroid hormone in fertility and early pregnancy. This justifies clinical intervention studies on the effects of thyroid hormone supplementation in women with subclinical hypothyroidism and in women prone to develop hypothyroidism due to the presence of TPO-Ab. In addition, more research is needed to identify the underlying mechanisms. This would be of particular interest in women undergoing IVF to pinpoint the effects of thyroid hormone on different parameters of reproduction.
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Affiliation(s)
- R Vissenberg
- Centre for Reproductive Medicine, Department of Obstetrics and Gynaecology, Academic Medical Centre, Amsterdam, The Netherlands
| | - V D Manders
- Reproductive Biology Laboratory, Academic Medical Centre, Amsterdam, The Netherlands
| | - S Mastenbroek
- Centre for Reproductive Medicine, Academic Medical Centre, Amsterdam, The Netherlands
| | - E Fliers
- Department of Endocrinology and Metabolism, Academic Medical Centre, Amsterdam, The Netherlands
| | - G B Afink
- Reproductive Biology Laboratory, Academic Medical Centre, Amsterdam, The Netherlands
| | - C Ris-Stalpers
- Reproductive Biology Laboratory, Academic Medical Centre, Amsterdam, The Netherlands Department of Obstetrics and Gynaecology, Academic Medical Centre, Amsterdam, The Netherlands
| | - M Goddijn
- Centre for Reproductive Medicine, Department of Obstetrics and Gynaecology, Academic Medical Centre, Amsterdam, The Netherlands
| | - P H Bisschop
- Department of Endocrinology and Metabolism, Academic Medical Centre, Amsterdam, The Netherlands
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Moutier E, Ye T, Choukrallah MA, Urban S, Osz J, Chatagnon A, Delacroix L, Langer D, Rochel N, Moras D, Benoit G, Davidson I. Retinoic acid receptors recognize the mouse genome through binding elements with diverse spacing and topology. J Biol Chem 2012; 287:26328-41. [PMID: 22661711 DOI: 10.1074/jbc.m112.361790] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Retinoic acid receptors (RARs) heterodimerize with retinoid X receptors (RXRs) and bind to RA response elements (RAREs) in the regulatory regions of their target genes. Although previous studies on limited sets of RA-regulated genes have defined canonical RAREs as direct repeats of the consensus RGKTCA separated by 1, 2, or 5 nucleotides (DR1, DR2, DR5), we show that in mouse embryoid bodies or F9 embryonal carcinoma cells, RARs occupy a large repertoire of sites with DR0, DR8, and IR0 (inverted repeat 0) elements. Recombinant RAR-RXR binds these non-canonical spacings in vitro with comparable affinities to DR2 and DR5. Most DR8 elements comprise three half-sites with DR2 and DR0 spacings. This specific half-site organization constitutes a previously unrecognized but frequent signature of RAR binding elements. In functional assays, DR8 and IR0 elements act as independent RAREs, whereas DR0 does not. Our results reveal an unexpected diversity in the spacing and topology of binding elements for the RAR-RXR heterodimer. The differential ability of RAR-RXR bound to DR0 compared to DR2, DR5, and DR8 to mediate RA-dependent transcriptional activation indicates that half-site spacing allosterically regulates RAR function.
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Affiliation(s)
- Emmanuel Moutier
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, CNRS/INSERM/UDS, 1 Rue Laurent Fries, 67404 Illkirch Cédex, France
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Su EJ, Cheng YH, Chatterton RT, Lin ZH, Yin P, Reierstad S, Innes J, Bulun SE. Regulation of 17-Beta Hydroxysteroid Dehydrogenase Type 2 in Human Placental Endothelial Cells1. Biol Reprod 2007; 77:517-25. [PMID: 17538076 DOI: 10.1095/biolreprod.106.059451] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
17-beta hydroxysteroid dehydrogenase type 2 (HSD17B2) oxidizes estradiol to estrone, testosterone to androstenedione, and 20 alpha-dihydroprogesterone to progesterone. HSD17B2 is highly expressed in human placental tissue where it is localized to placental endothelial cells lining the fetal compartment. The aim of this study was to investigate the effects of potential regulatory factors including progesterone, estradiol, and retinoic acid (RA) onHSD17B2 expression in primary human placental endothelial cells in culture.HSD17B2 mRNA expression was not regulated by progesterone, the progesterone agonist R5020, or estradiol treatment. RA significantly induced HSD17B2 mRNA levels and enzyme activity in a dose- and time-dependent manner. Maximal stimulation occurred at Hour 48 at an RA concentration of 10(-6) M. Both retinoic acid receptor alpha (RARA) and retinoid X receptor alpha (RXRA) were readily detected by immunoblotting in isolated placental endothelial cells. RNA interference directed against RARA or RXRA led to reduced basal levels of HSD17B2 mRNA levels and significantly abolished RA-stimulated HSD17B2 expression. Together, these data indicate that regulation of HSD17B2 mRNA levels and enzymatic activity by RA in the placenta is mediated by RARA and RXRA.
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Affiliation(s)
- Emily J Su
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Northwestern University, Chicago, Illinois 60611, USA
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11
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Ohara N, Tsujino T, Maruo T. The Role of Thyroid Hormone in Trophoblast Function, Early Pregnancy Maintenance, and Fetal Neurodevelopment. JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA 2004; 26:982-90. [PMID: 15560861 DOI: 10.1016/s1701-2163(16)30420-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
OBJECTIVE To review the literature on the roles of thyroid hormone in trophoblast function, early pregnancy maintenance, and fetal neurodevelopment. METHODS MEDLINE was searched for English-language papers published from 1971 to 2003, using the key words "brain," "hypothyroidism," "placenta," "pregnancy," "threatened abortion," "thyroid hormone," "thyroid hormone receptor," "thyroid hormone replacement therapy," "thyroid hormone-responsive gene," and "trophoblast." RESULTS Transplacental transfer of thyroid hormone occurs before the onset of fetal thyroid hormone secretion. Thyroid hormone receptors and iodothyronine deiodinases are present in the placenta and the fetal central nervous system early in pregnancy, and thyroid hormone plays a crucial role both in trophoblast function and fetal neurodevelopment. Maternal hypothyroxinemia is associated with a high rate of spontaneous abortion and long-term neuropsychological deficits in children born of hypothyroid mothers. Maternal iodine deficiency also causes a wide spectrum of neuropsychological disorders in children, ranging from subclinical deficits in cognitive motor and auditory functions to hypothyroid-induced cognitive impairment in infants. However, these conditions are preventable when iodine supplementation is initiated before the second trimester. Although thyroid hormone replacement therapy is effective for reducing the adverse effects complicated by maternal hypothyroidism, the appropriate dose of thyroid hormone is mandatory in protecting the early stage of pregnancy. CONCLUSIONS Close monitoring of maternal thyroid hormone status and ensuring adequate maternal thyroid hormone levels in early pregnancy are of great importance to prevent miscarriage and neuropsychological deficits in infants.
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Affiliation(s)
- Noriyuki Ohara
- Department of Obstetrics and Gynecology, Kobe University Graduate School of Medicine, Kobe, Japan
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12
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Brar AK, Handwerger S, Kessler CA, Aronow BJ. Gene induction and categorical reprogramming during in vitro human endometrial fibroblast decidualization. Physiol Genomics 2001; 7:135-48. [PMID: 11773600 DOI: 10.1152/physiolgenomics.00061.2001] [Citation(s) in RCA: 118] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Gene induction and categorical reprogramming during in vitro human endometrial fibroblast decidualization. Physiol Genomics 7: 135-148, 2001. First published September 21, 2001; 10.1152/physiolgenomics.00061.2001.-Human decidual fibroblasts undergo a differentiative commitment to the acquisition of endocrine, metabolic, and structural cell functions in a process known as decidualization. Decidualization is critical for embryo implantation and placental function. We characterized gene expression pattern kinetics during decidual fibroblast differentiation by microarray analysis. Of 6,918 genes analyzed, 121 genes were induced by more than twofold, 110 were downregulated, and 50 showed biphasic behavior. Dynamically regulated genes were could be fit into nine K-means algorithm-based kinetic pattern groups, and by biologic classification, into five categories: cell and tissue function, cell and tissue structure, regulation of gene expression, expressed sequence tag (EST), and "function unknown." Reprogramming of genes within specific functional groups and gene families was a prominent feature that consisted of simultaneous induction and downregulation of a set of genes with related function. We previously observed a conceptually similar process during fetal trophoblast differentiation, in which the same phenomena applied to different genes. Of the 569 dynamically regulated genes regulated by either model, only 81 of these were in common. These results suggest that reprogramming of gene expression within focused functional categories represents a fundamental aspect of cellular differentiation.
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Affiliation(s)
- A K Brar
- Department of Endocrinology, Children's Hospital Research Foundation, University of Cincinnati College of Medicine, Cincinnati, Ohio 45229, USA
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13
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Tarrade A, Schoonjans K, Guibourdenche J, Bidart JM, Vidaud M, Auwerx J, Rochette-Egly C, Evain-Brion D. PPAR gamma/RXR alpha heterodimers are involved in human CG beta synthesis and human trophoblast differentiation. Endocrinology 2001; 142:4504-14. [PMID: 11564716 DOI: 10.1210/endo.142.10.8448] [Citation(s) in RCA: 95] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Recent studies performed with null mice suggested a role of either RXR alpha or PPAR gamma in murine placental development. We report here that both PPAR gamma and RXR alpha are strongly expressed in human villous cytotrophoblasts and syncytiotrophoblasts. Moreover, specific ligands for RXRs or PPAR gamma (but not for PPAR alpha or PPAR delta) increase both human CG beta transcript levels and the secretion of human CG and its free beta-subunit. When combined, these ligands have an additive effect on human CG secretion. Pan-RXR and PPAR gamma ligands also have an additive effect on the synthesis of other syncytiotrophoblast hormones such as human placental lactogen, human placental GH, and leptin. Therefore, in human placenta, PPAR gamma/RXR alpha heterodimers are functional units during cytotrophoblast differentiation into the syncytiotrophoblast in vitro. Elements located in the regulatory region of the human CG beta gene (beta 5) were found to bind RXR alpha and PPAR gamma from human cytotrophoblast nuclear extracts, suggesting that PPAR gamma/RXR alpha heterodimers directly regulate human CG beta transcription. Altogether, these data show that PPAR gamma/RXR alpha heterodimers play an important role in human placental development.
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Affiliation(s)
- A Tarrade
- Unité Institut National de la Santé et de la Recherche Médicale 427, Faculté des Sciences Pharmaceutiques et Biologiques de Paris, Université René Descartes, Paris V, 75006 Paris, France
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14
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Tarrade A, Rochette-Egly C, Guibourdenche J, Evain-Brion D. The expression of nuclear retinoid receptors in human implantation. Placenta 2000; 21:703-10. [PMID: 10985974 DOI: 10.1053/plac.2000.0568] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Vitamin A and retinoids play an important role during development. They affect morphogenesis, cell growth and differentiation by interacting with two types of receptor, the RARs and the RXRs. Despite the well known established teratogenic effects of retinoids during human pregnancy, little is known about the effect of retinoids on human placental development. We studied the possible involvement of retinoids during the implantation process by investigating the spatial distribution of retinoid receptors in the human implantation site by in situ hybridization and immunohistochemistry. For in situ hybridization, we used digoxigenin-labelled antisense riboprobes. Immunochemical staining was performed with specific antibodies against the various retinoid receptors and a streptavidin-alkaline phosphatase immunostaining kit. We found that only two types of receptors were expressed at the implantation site: RARalpha and RXRalpha. Both types of receptors were present in the proliferative intermediate trophoblast, the invasive extravillous trophoblast and decidual cells. Both receptors were also present in the villous cytotrophoblasts. The presence of this retinoid receptor in the cytotrophoblasts suggests a key role for all-trans retinoic acid and/or 9-cis retinoic acid in the development of human placenta.
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Affiliation(s)
- A Tarrade
- Faculté des Sciences Pharmaceutiques et Biologiques, INSERM U 427, Paris, France
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15
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García-Fernández LF, Urade Y, Hayaishi O, Bernal J, Muñoz A. Identification of a thyroid hormone response element in the promoter region of the rat lipocalin-type prostaglandin D synthase (beta-trace) gene. BRAIN RESEARCH. MOLECULAR BRAIN RESEARCH 1998; 55:321-30. [PMID: 9582446 DOI: 10.1016/s0169-328x(98)00015-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
We have previously reported that mRNA levels for the rat lipocalin-type prostaglandin (PG) D synthase/beta-trace (PGDS) gene, the enzyme responsible for the production of PGD2 in the central nervous system, are regulated by thyroid hormone in vivo. In this study, we describe the identification of a thyroid hormone (T3) response element (T3RE) in the 5'-flanking region of the rat PGDS gene. By radioimmunoprecipitation of genomic fragments using thyroid hormone receptor (TR) protein and specific anti-TR antibodies, gel-shift, foot-printing, mutational analysis, and transactivation assays we have identified a spaced four imperfect direct repeat (DR4) element, GGTTCACTTCAGGGTA (positions -586/-571), which functions as a T3RE when fused to a heterologous promoter. Our results suggest that thyroid hormone regulates the expression of the rat lipocalin-type PGDS gene through this element. Remarkably, the element identified also confers regulation by retinoic acid. Giving the important roles proposed for the PGDS enzyme and its product, PGD2, the major PG in the mammalian brain, the altered expression of the PGDS gene may contribute to the deleterious effects of hypothyroidism in the central nervous system.
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Affiliation(s)
- L F García-Fernández
- Instituto de Investigaciones Biomédicas, Consejo Superior de Investigaciones Científicas, Arturo Duperier 4, 28029 Madrid, Spain
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16
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Piao YS, Peltoketo H, Jouppila A, Vihko R. Retinoic acids increase 17 beta-hydroxysteroid dehydrogenase type 1 expression in JEG-3 and T47D cells, but the stimulation is potentiated by epidermal growth factor, 12-O-tetradecanoylphorbol-13-acetate, and cyclic adenosine 3',5'-monophosphate only in JEG-3 cells. Endocrinology 1997; 138:898-904. [PMID: 9048588 DOI: 10.1210/endo.138.3.5008] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Human 17 beta-hydroxysteroid dehydrogenase type 1 (17HSD type 1) primarily catalyzes the reduction of low activity estrone to high activity estradiol in ovarian granulosa cells and placental trophoblasts 17HSD type 1 is also present in certain peripheral tissues, such as breast tissue. In the present study we investigated the effects of retinoic acids (RAs) together with other stimuli known to modulate estradiol production and/or cell growth on expression of 17HSD type 1 in JEG-3 choriocarcinoma cells and estrogen-responsive T47D breast cancer cells. Treatment of cultured JEG-3 and T47D cells with all-trans-RA and 9-cis-RA increased reductive 17HSD activity and 17HSD type 1 messenger RNA expression severalfold in both cell lines. On the other hand, epidermal growth factor (EGF), Ca ionophore, the protein kinase C activator 12-O-tetradecanoylphorbol-13-acetate (TPA), and cAMP elevated 17HSD type 1 expression only in JEG-3 cells. Correspondingly, the effects of RAs were potentiated by EGF, TPA, and cAMP in JEG-3 cells, whereas no such phenomenon was observed in T47D cells. In JEG-3 cells, simultaneous administration of RAs with TPA and EGF maximally resulted in approximately 40- and 20-fold increases in 17HSD type 1 messenger RNA expression, respectively. The present data indicate that RAs may stimulate estradiol biosynthesis by regulating 17HSD type 1 expression in certain breast cancer and choriocarcinoma cells. The results suggest that interaction of multiple regulatory pathways is involved in maintaining high 17HSD type 1 expression in the placenta. In addition, regulation of 17HSD type 1 expression may be different in trophoblast cells from that in breast epithelial cells.
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Affiliation(s)
- Y S Piao
- Biocenter Oulu, University of Oulu, Finland
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