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Zhang H, Sun Q, Dong H, Jin Z, Li M, Jin S, Zeng X, Fan J, Kong Y. Long-chain acyl-CoA synthetase-4 regulates endometrial decidualization through a fatty acid β-oxidation pathway rather than lipid droplet accumulation. Mol Metab 2024; 84:101953. [PMID: 38710444 PMCID: PMC11099325 DOI: 10.1016/j.molmet.2024.101953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 04/25/2024] [Accepted: 04/29/2024] [Indexed: 05/08/2024] Open
Abstract
OBJECTIVE Lipid metabolism plays an important role in early pregnancy, but its effects on decidualization are poorly understood. Fatty acids (FAs) must be esterified by fatty acyl-CoA synthetases to form biologically active acyl-CoA in order to enter the anabolic and/or catabolic pathway. Long-chain acyl-CoA synthetase 4 (ACSL4) is associated with female reproduction. However, whether it is involved in decidualization is unknown. METHODS The expression of ACSL4 in human and mouse endometrium was detected by immunohistochemistry. ACSL4 levels were regulated by the overexpression of ACSL4 plasmid or ACSL4 siRNA, and the effects of ACSL4 on decidualization markers and morphology of endometrial stromal cells (ESCs) were clarified. A pregnant mouse model was established to determine the effect of ACSL4 on the implantation efficiency of mouse embryos. Modulation of ACSL4 detects lipid anabolism and catabolism. RESULTS Through examining the expression level of ACSL4 in human endometrial tissues during proliferative and secretory phases, we found that ACSL4 was highly expressed during the secretory phase. Knockdown of ACSL4 suppressed decidualization and inhibited the mesenchymal-to-epithelial transition induced by MPA and db-cAMP in ESCs. Further, the knockdown of ACSL4 reduced the efficiency of embryo implantation in pregnant mice. Downregulation of ACSL4 inhibited FA β-oxidation and lipid droplet accumulation during decidualization. Interestingly, pharmacological and genetic inhibition of lipid droplet synthesis did not affect FA β-oxidation and decidualization, while the pharmacological and genetic inhibition of FA β-oxidation increased lipid droplet accumulation and inhibited decidualization. In addition, inhibition of β-oxidation was found to attenuate the promotion of decidualization by the upregulation of ACSL4. The decidualization damage caused by ACSL4 knockdown could be reversed by activating β-oxidation. CONCLUSIONS Our findings suggest that ACSL4 promotes endometrial decidualization by activating the β-oxidation pathway. This study provides interesting insights into our understanding of the mechanisms regulating lipid metabolism during decidualization.
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Affiliation(s)
- Hongshuo Zhang
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China; Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
| | - Qianyi Sun
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Haojie Dong
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Zeen Jin
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Mengyue Li
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Shanyuan Jin
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Xiaolan Zeng
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Jianhui Fan
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China.
| | - Ying Kong
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China.
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Parisi F, Fenizia C, Introini A, Zavatta A, Scaccabarozzi C, Biasin M, Savasi V. The pathophysiological role of estrogens in the initial stages of pregnancy: molecular mechanisms and clinical implications for pregnancy outcome from the periconceptional period to end of the first trimester. Hum Reprod Update 2023; 29:699-720. [PMID: 37353909 PMCID: PMC10628507 DOI: 10.1093/humupd/dmad016] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 05/12/2023] [Indexed: 06/25/2023] Open
Abstract
BACKGROUND Estrogens regulate disparate female physiological processes, thus ensuring reproduction. Altered estrogen levels and signaling have been associated with increased risks of pregnancy failure and complications, including hypertensive disorders and low birthweight babies. However, the role of estrogens in the periconceptional period and early pregnancy is still understudied. OBJECTIVE AND RATIONALE This review aims to summarize the current evidence on the role of maternal estrogens during the periconceptional period and the first trimester of pregnancies conceived naturally and following ART. Detailed molecular mechanisms and related clinical impacts are extensively described. SEARCH METHODS Data for this narrative review were independently identified by seven researchers on Pubmed and Embase databases. The following keywords were selected: 'estrogens' OR 'estrogen level(s)' OR 'serum estradiol' OR 'estradiol/estrogen concentration', AND 'early pregnancy' OR 'first trimester of pregnancy' OR 'preconceptional period' OR 'ART' OR 'In Vitro Fertilization (IVF)' OR 'Embryo Transfer' OR 'Frozen Embryo Transfer' OR 'oocyte donation' OR 'egg donation' OR 'miscarriage' OR 'pregnancy outcome' OR 'endometrium'. OUTCOMES During the periconceptional period (defined here as the critical time window starting 1 month before conception), estrogens play a crucial role in endometrial receptivity, through the activation of paracrine/autocrine signaling. A derailed estrogenic milieu within this period seems to be detrimental both in natural and ART-conceived pregnancies. Low estrogen levels are associated with non-conception cycles in natural pregnancies. On the other hand, excessive supraphysiologic estrogen concentrations at time of the LH peak correlate with lower live birth rates and higher risks of pregnancy complications. In early pregnancy, estrogen plays a massive role in placentation mainly by modulating angiogenic factor expression-and in the development of an immune-tolerant uterine micro-environment by remodeling the function of uterine natural killer and T-helper cells. Lower estrogen levels are thought to trigger abnormal placentation in naturally conceived pregnancies, whereas an estrogen excess seems to worsen pregnancy development and outcomes. WIDER IMPLICATIONS Most current evidence available endorses a relation between periconceptional and first trimester estrogen levels and pregnancy outcomes, further depicting an optimal concentration range to optimize pregnancy success. However, how estrogens co-operate with other factors in order to maintain a fine balance between local tolerance towards the developing fetus and immune responses to pathogens remains elusive. Further studies are highly warranted, also aiming to identify the determinants of estrogen response and biomarkers for personalized estrogen administration regimens in ART.
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Affiliation(s)
- F Parisi
- Department of Woman, Mother and Neonate, 'V. Buzzi' Children Hospital, ASST Fatebenefratelli Sacco, Milan, via L. Castelvetro 32, Milan, Italy
| | - C Fenizia
- Department of Pathophysiology and Transplantation, University of Milan, Milan, via F. Sforza 35, Milan 20122, Italy
- Department of Biomedical and Clinical Sciences, "L.Sacco" Hospital, University of Milan, Milan, via G.B. Grassi 74, Milan 20157, Italy
| | - A Introini
- Division of Infectious Diseases, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Nobels väg 5, Stockholm, Sweden
| | - A Zavatta
- Department of Woman, Mother and Neonate, 'V. Buzzi' Children Hospital, ASST Fatebenefratelli Sacco, Milan, via L. Castelvetro 32, Milan, Italy
| | - C Scaccabarozzi
- Department of Biomedical and Clinical Sciences, "L.Sacco" Hospital, University of Milan, Milan, via G.B. Grassi 74, Milan 20157, Italy
| | - M Biasin
- Department of Biomedical and Clinical Sciences, "L.Sacco" Hospital, University of Milan, Milan, via G.B. Grassi 74, Milan 20157, Italy
| | - V Savasi
- Department of Biomedical and Clinical Sciences, "L.Sacco" Hospital, University of Milan, Milan, via G.B. Grassi 74, Milan 20157, Italy
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Parraga-Leo A, Sebastian-Leon P, Devesa-Peiro A, Marti-Garcia D, Pellicer N, Remohi J, Dominguez F, Diaz-Gimeno P. Deciphering a shared transcriptomic regulation and the relative contribution of each regulator type through endometrial gene expression signatures. Reprod Biol Endocrinol 2023; 21:84. [PMID: 37700285 PMCID: PMC10496172 DOI: 10.1186/s12958-023-01131-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 08/22/2023] [Indexed: 09/14/2023] Open
Abstract
BACKGORUND While various endometrial biomarkers have been characterized at the transcriptomic and functional level, there is generally a poor overlap among studies, making it unclear to what extent their upstream regulators (e.g., ovarian hormones, transcription factors (TFs) and microRNAs (miRNAs)) realistically contribute to menstrual cycle progression and function. Unmasking the intricacies of the molecular interactions in the endometrium from a novel systemic point of view will help gain a more accurate perspective of endometrial regulation and a better explanation the molecular etiology of endometrial-factor infertility. METHODS An in-silico analysis was carried out to identify which regulators consistently target the gene biomarkers proposed in studies related to endometrial progression and implantation failure (19 gene lists/signatures were included). The roles of these regulators, and of genes related to progesterone and estrogens, were then analysed in transcriptomic datasets compiled from samples collected throughout the menstrual cycle (n = 129), and the expression of selected TFs were prospectively validated in an independent cohort of healthy participants (n = 19). RESULTS A total of 3,608 distinct genes from the 19 gene lists were associated with endometrial progression and implantation failure. The lists' regulation was significantly favoured by TFs (89% (17/19) of gene lists) and progesterone (47% (8 /19) of gene lists), rather than miRNAs (5% (1/19) of gene lists) or estrogen (0% (0/19) of gene lists), respectively (FDR < 0.05). Exceptionally, two gene lists that were previously associated with implantation failure and unexplained infertility were less hormone-dependent, but primarily regulated by estrogen. Although endometrial progression genes were mainly targeted by hormones rather than non-hormonal contributors (odds ratio = 91.94, FDR < 0.05), we identified 311 TFs and 595 miRNAs not previously associated with ovarian hormones. We highlight CTCF, GATA6, hsa-miR-15a-5p, hsa-miR-218-5p, hsa-miR-107, hsa-miR-103a-3p, and hsa-miR-128-3p, as overlapping novel master regulators of endometrial function. The gene expression changes of selected regulators throughout the menstrual cycle (FDR < 0.05), dually validated in-silico and through endometrial biopsies, corroborated their potential regulatory roles in the endometrium. CONCLUSIONS This study revealed novel hormonal and non-hormonal regulators and their relative contributions to endometrial progression and pathology, providing new leads for the potential causes of endometrial-factor infertility.
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Affiliation(s)
- Antonio Parraga-Leo
- IVIRMA Global Research Alliance, IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Av. Fernando Abril Martorell 106, Torre A, Planta 1ª, 46026, Valencia, Valencia, Spain
- Department of Pediatrics, Obstetrics and Gynaecology, Universidad de Valencia, Av. Blasco Ibáñez 15, 46010, Valencia, Valencia, Spain
| | - Patricia Sebastian-Leon
- IVIRMA Global Research Alliance, IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Av. Fernando Abril Martorell 106, Torre A, Planta 1ª, 46026, Valencia, Valencia, Spain
| | - Almudena Devesa-Peiro
- IVIRMA Global Research Alliance, IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Av. Fernando Abril Martorell 106, Torre A, Planta 1ª, 46026, Valencia, Valencia, Spain
- Department of Pediatrics, Obstetrics and Gynaecology, Universidad de Valencia, Av. Blasco Ibáñez 15, 46010, Valencia, Valencia, Spain
| | - Diana Marti-Garcia
- IVIRMA Global Research Alliance, IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Av. Fernando Abril Martorell 106, Torre A, Planta 1ª, 46026, Valencia, Valencia, Spain
- Department of Pediatrics, Obstetrics and Gynaecology, Universidad de Valencia, Av. Blasco Ibáñez 15, 46010, Valencia, Valencia, Spain
| | - Nuria Pellicer
- IVIRMA Global Research Alliance, IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Av. Fernando Abril Martorell 106, Torre A, Planta 1ª, 46026, Valencia, Valencia, Spain
- IVIRMA Global Research Alliance, IVIRMA Valencia, Plaza de La Policia Local 3, 46015, Valencia, Spain
| | - Jose Remohi
- Department of Pediatrics, Obstetrics and Gynaecology, Universidad de Valencia, Av. Blasco Ibáñez 15, 46010, Valencia, Valencia, Spain
- IVIRMA Global Research Alliance, IVIRMA Valencia, Plaza de La Policia Local 3, 46015, Valencia, Spain
| | - Francisco Dominguez
- IVIRMA Global Research Alliance, IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Av. Fernando Abril Martorell 106, Torre A, Planta 1ª, 46026, Valencia, Valencia, Spain
| | - Patricia Diaz-Gimeno
- IVIRMA Global Research Alliance, IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Av. Fernando Abril Martorell 106, Torre A, Planta 1ª, 46026, Valencia, Valencia, Spain.
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Kannan A, Beal JR, Neff AM, Bagchi MK, Bagchi IC. Runx1 regulates critical factors that control uterine angiogenesis and trophoblast differentiation during placental development. PNAS NEXUS 2023; 2:pgad215. [PMID: 37416873 PMCID: PMC10321400 DOI: 10.1093/pnasnexus/pgad215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 06/13/2023] [Accepted: 06/21/2023] [Indexed: 07/08/2023]
Abstract
During early pregnancy in humans and rodents, uterine stromal cells undergo a remarkable differentiation to form the decidua, a transient maternal tissue that supports the growing fetus. It is important to understand the key decidual pathways that orchestrate the proper development of the placenta, a key structure at the maternal-fetal interface. We discovered that ablation of expression of the transcription factor Runx1 in decidual stromal cells in a conditional Runx1-null mouse model (Runx1d/d) causes fetal lethality during placentation. Further phenotypic analysis revealed that uteri of pregnant Runx1d/d mice exhibited severely compromised decidual angiogenesis and a lack of trophoblast differentiation and migration, resulting in impaired spiral artery remodeling. Gene expression profiling using uteri from Runx1d/d and control mice revealed that Runx1 directly controls the decidual expression of the gap junction protein connexin 43 (also known as GJA1), which was previously shown to be essential for decidual angiogenesis. Our study also revealed that Runx1 controls the expression of insulin-like growth factor (IGF) 2 and IGF-binding protein 4 (IGFBP4) during early pregnancy. While Runx1 deficiency drastically reduced the production of IGF2 by the decidual cells, we observed concurrent elevated expression of the IGFBP4, which regulates the bioavailability of IGFs, thereby controlling trophoblast differentiation. We posit that dysregulated expression of GJA1, IGF2, and IGFBP4 in Runx1d/d decidua contributes to the observed defects in uterine angiogenesis, trophoblast differentiation, and vascular remodeling. This study therefore provides unique insights into key maternal pathways that control the early phases of maternal-fetal interactions within a critical window during placental development.
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Affiliation(s)
- Athilakshmi Kannan
- Department of Comparative Biosciences, University of Illinois Urbana-Champaign, 2001 S Lincoln, Urbana, IL 61802, USA
| | - Jacob R Beal
- Department of Molecular and Integrative Physiology, University of Illinois Urbana-Champaign, 407 S Goodwin, Urbana, IL 61801, USA
| | - Alison M Neff
- Department of Molecular and Integrative Physiology, University of Illinois Urbana-Champaign, 407 S Goodwin, Urbana, IL 61801, USA
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Wan S, Sun Y, Zong J, Meng W, Yan J, Chen K, Wang S, Guo D, Xiao Z, Zhou Q, Yin Z, Yang M. METTL3-dependent m 6A methylation facilitates uterine receptivity and female fertility via balancing estrogen and progesterone signaling. Cell Death Dis 2023; 14:349. [PMID: 37270544 DOI: 10.1038/s41419-023-05866-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 05/08/2023] [Accepted: 05/16/2023] [Indexed: 06/05/2023]
Abstract
Infertility is a worldwide reproductive health problem and there are still many unknown etiologies of infertility. In recent years, increasing evidence emerged and confirmed that epigenetic regulation played a leading role in reproduction. However, the function of m6A modification in infertility remains unknown. Here we report that METTL3-dependent m6A methylation plays an essential role in female fertility via balancing the estrogen and progesterone signaling. Analysis of GEO datasets reveal a significant downregulation of METTL3 expression in the uterus of infertile women with endometriosis or recurrent implantation failure. Conditional deletion of Mettl3 in female reproductive tract by using a Pgr-Cre driver results in infertility due to compromised uterine endometrium receptivity and decidualization. m6A-seq analysis of the uterus identifies the 3'UTR of several estrogen-responsive genes with METTL3-dependent m6A modification, like Elf3 and Celsr2, whose mRNAs become more stable upon Mettl3 depletion. However, the decreased expression levels of PR and its target genes, including Myc, in the endometrium of Mettl3 cKO mice indicate a deficiency in progesterone responsiveness. In vitro, Myc overexpression could partially compensate for uterine decidualization failure caused by Mettl3 deficiency. Collectively, this study reveals the role of METTL3-dependent m6A modification in female fertility and provides insight into the pathology of infertility and pregnancy management.
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Affiliation(s)
- Shuo Wan
- The First Affiliated Hospital, Jinan University, Guangzhou, 510632, China
- The Biomedical Translational Research Institute, Guangzhou Key Laboratory for Germ-free animals and Microbiota Application, Key Laboratory of Ministry of Education for Viral Pathogenesis & Infection Prevention and Control, School of Medicine, Jinan University, Guangzhou, 510632, China
- Key Laboratory of Regenerative Medicine of the Ministry of Education, International Joint Laboratory for Embryonic Development and Prenatal Medicine, Department of Histology and Embryology, School of Medicine, Jinan University, Guangzhou, 510632, China
| | - Yadong Sun
- The Biomedical Translational Research Institute, Guangzhou Key Laboratory for Germ-free animals and Microbiota Application, Key Laboratory of Ministry of Education for Viral Pathogenesis & Infection Prevention and Control, School of Medicine, Jinan University, Guangzhou, 510632, China
| | - Jinbao Zong
- Clinical Laboratory and Central Laboratory, the Affiliated Qingdao Hiser Hospital of Qingdao University, Qingdao, 266033, China
| | - Wanqing Meng
- The Biomedical Translational Research Institute, Guangzhou Key Laboratory for Germ-free animals and Microbiota Application, Key Laboratory of Ministry of Education for Viral Pathogenesis & Infection Prevention and Control, School of Medicine, Jinan University, Guangzhou, 510632, China
| | - Jiacong Yan
- Reproductive Medical Center, The First People's Hospital of Yunnan Province, Kunming, 650021, China
| | - Kexin Chen
- Reproductive Medical Center, The First People's Hospital of Yunnan Province, Kunming, 650021, China
| | - Sanfeng Wang
- Guangdong Women and Children Hospital, Guangzhou, 510010, China
| | - Daji Guo
- Department of Neurology, Sun Yat-sen Memorial Hospital, 510123, Guangzhou, China
| | - Zhiqiang Xiao
- The Biomedical Translational Research Institute, Guangzhou Key Laboratory for Germ-free animals and Microbiota Application, Key Laboratory of Ministry of Education for Viral Pathogenesis & Infection Prevention and Control, School of Medicine, Jinan University, Guangzhou, 510632, China
| | - Qinghua Zhou
- The Biomedical Translational Research Institute, Guangzhou Key Laboratory for Germ-free animals and Microbiota Application, Key Laboratory of Ministry of Education for Viral Pathogenesis & Infection Prevention and Control, School of Medicine, Jinan University, Guangzhou, 510632, China
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital Affiliated with Jinan University, Jinan University, Zhuhai, 519000, China
| | - Zhinan Yin
- The Biomedical Translational Research Institute, Guangzhou Key Laboratory for Germ-free animals and Microbiota Application, Key Laboratory of Ministry of Education for Viral Pathogenesis & Infection Prevention and Control, School of Medicine, Jinan University, Guangzhou, 510632, China.
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital Affiliated with Jinan University, Jinan University, Zhuhai, 519000, China.
| | - Meixiang Yang
- The First Affiliated Hospital, Jinan University, Guangzhou, 510632, China.
- The Biomedical Translational Research Institute, Guangzhou Key Laboratory for Germ-free animals and Microbiota Application, Key Laboratory of Ministry of Education for Viral Pathogenesis & Infection Prevention and Control, School of Medicine, Jinan University, Guangzhou, 510632, China.
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital Affiliated with Jinan University, Jinan University, Zhuhai, 519000, China.
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Logsdon DM, Churchwell A, Schoolcraft WB, Krisher RL, Yuan Y. Estrogen signaling encourages blastocyst development and implantation potential. J Assist Reprod Genet 2023; 40:1003-1014. [PMID: 37017886 PMCID: PMC10239412 DOI: 10.1007/s10815-023-02783-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 03/21/2023] [Indexed: 04/06/2023] Open
Abstract
PURPOSE Estrogen is well-known for preparing uterine receptivity. However, its roles in regulating embryo development and implantation are unclear. Our objective was to characterize estrogen receptor 1 (ESR1) in human and mouse embryos and determine the effect of estradiol (E2) supplementation on pre- and peri-implantation blastocyst development. METHODS Mouse embryos, 8-cell through hatched blastocyst stages, and human embryonic days 5-7 blastocysts were stained for ESR1 and imaged using confocal microscopy. We then treated 8-cell mouse embryos with 8 nM E2 during in vitro culture (IVC) and examined embryo morphokinetics, blastocyst development, and cell allocation into the inner cell mass (ICM) and trophectoderm (TE). Finally, we disrupted ESR1, using ICI 182,780, and evaluated peri-implantation development. RESULTS ESR1 exhibits nuclear localization in early blastocysts followed by aggregation, predominantly in the TE of hatching and hatched blastocysts, in human and mouse embryos. During IVC, most E2 was absorbed by the mineral oil, and no effect on embryo development was found. When IVC was performed without an oil overlay, embryos treated with E2 exhibited increased blastocyst development and ICM:TE ratio. Additionally, embryos treated with ICI 182,780 had significantly decreased trophoblast outgrowth during extended embryo culture. CONCLUSION Similar ESR1 localization in mouse and human blastocysts suggests a conserved role in blastocyst development. These mechanisms may be underappreciated due to the use of mineral oil during conventional IVC. This work provides important context for how estrogenic toxicants may impact reproductive health and offers an avenue to further optimize human-assisted reproductive technology (ART) to treat infertility.
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Affiliation(s)
- Deirdre M. Logsdon
- Colorado Center for Reproductive Medicine, 10290 RidgeGate Circle, Lone Tree, CO 80124 USA
| | - Ashlyn Churchwell
- Colorado Center for Reproductive Medicine, 10290 RidgeGate Circle, Lone Tree, CO 80124 USA
| | - William B. Schoolcraft
- Colorado Center for Reproductive Medicine, 10290 RidgeGate Circle, Lone Tree, CO 80124 USA
| | | | - Ye Yuan
- Colorado Center for Reproductive Medicine, 10290 RidgeGate Circle, Lone Tree, CO 80124 USA
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Kannan A, Beal JR, Neff AM, Bagchi MK, Bagchi IC. Runx1 regulates critical factors that control uterine angiogenesis and trophoblast differentiation during placental development. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.21.532831. [PMID: 36993295 PMCID: PMC10055213 DOI: 10.1101/2023.03.21.532831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
UNLABELLED During early pregnancy in humans and rodents, uterine stromal cells undergo a remarkable differentiation to form the decidua, a transient maternal tissue that supports the growing fetus. It is important to understand the key decidual pathways that orchestrate the proper development of the placenta, a key structure at the maternal-fetal interface. We discovered that ablation of expression of the transcription factor Runx1 in decidual stromal cells in a conditional Runx1 -null mouse model ( Runx1 d/d ) causes fetal lethality during placentation. Further phenotypic analysis revealed that uteri of pregnant Runx1 d/d mice exhibited severely compromised decidual angiogenesis, and a lack of trophoblast differentiation and migration, resulting in impaired spiral artery remodeling. Gene expression profiling using uteri from Runx1 d/d and control mice revealed that Runx1 directly controls the decidual expression of the gap junction protein connexin 43 (also known as GJA1), which was previously shown to be essential for decidual angiogenesis. Our study also revealed a critical role of Runx1 in controlling insulin-like growth factor (IGF) signaling at the maternal-fetal interface. While Runx1-deficiency drastically reduced the production of IGF2 by the decidual cells, we observed concurrent elevated expression of the IGF-binding protein 4 (IGFBP4), which regulates the bioavailability of IGFs thereby controlling trophoblast differentiation. We posit that dysregulated expression of GJA1, IGF2, and IGFBP4 in Runx1 d/d decidua contributes to the observed defects in uterine angiogenesis, trophoblast differentiation, and vascular remodeling. This study therefore provides unique insights into key maternal pathways that control the early phases of maternal-fetal interactions within a critical window during placental development. SIGNIFICANCE A clear understanding of the maternal pathways that ensure coordination of uterine differentiation and angiogenesis with embryonic growth during the critical early stages of placenta formation still eludes us. The present study reveals that the transcription factor Runx1 controls a set of molecular, cellular, and integrative mechanisms that mediate maternal adaptive responses controlling uterine angiogenesis, trophoblast differentiation, and resultant uterine vascular remodeling, which are essential steps during placenta development.
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METTL3 is essential for normal progesterone signaling during embryo implantation via m 6A-mediated translation control of progesterone receptor. Proc Natl Acad Sci U S A 2023; 120:e2214684120. [PMID: 36693099 PMCID: PMC9945998 DOI: 10.1073/pnas.2214684120] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Embryo implantation, a crucial step in human reproduction, is tightly controlled by estrogen and progesterone (P4) via estrogen receptor alpha and progesterone receptor (PGR), respectively. Here, we report that N6-methyladenosine (m6A), the most abundant mRNA modification in eukaryotes, plays an essential role in embryo implantation through the maintenance of P4 signaling. Conditional deletion of methyltransferase-like 3 (Mettl3), encoding the m6A writer METTL3, in the female reproductive tract using a Cre mouse line with Pgr promoter (Pgr-Cre) resulted in complete implantation failure due to pre-implantation embryo loss and defective uterine receptivity. Moreover, the uterus of Mettl3 null mice failed to respond to artificial decidualization. We further found that Mettl3 deletion was accompanied by a marked decrease in PGR protein expression. Mechanistically, we found that Pgr mRNA is a direct target for METTL3-mediated m6A modification. A luciferase assay revealed that the m6A modification in the 5' untranslated region (5'-UTR) of Pgr mRNA enhances PGR protein translation efficiency in a YTHDF1-dependent manner. Finally, we demonstrated that METTL3 is required for human endometrial stromal cell decidualization in vitro and that the METTL3-PGR axis is conserved between mice and humans. In summary, this study provides evidence that METTL3 is essential for normal P4 signaling during embryo implantation via m6A-mediated translation control of Pgr mRNA.
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P38α MAPK is a gatekeeper of uterine progesterone responsiveness at peri-implantation via Ube3c-mediated PGR degradation. Proc Natl Acad Sci U S A 2022; 119:e2206000119. [PMID: 35914132 PMCID: PMC9371708 DOI: 10.1073/pnas.2206000119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Estrogen and progesterone specify the establishment of uterine receptivity mainly through their respective nuclear receptors, ER and PR. PR is transcriptionally induced by estrogen-ER signaling in the endometrium, but how the protein homeostasis of PR in the endometrium is regulated remains elusive. Here, we demonstrated that the uterine-selective depletion of P38α derails normal uterine receptivity ascribed to the dramatic down-regulation of PR protein and disordered progesterone responsiveness in the uterine stromal compartment, leading to defective implantation and female infertility. Specifically, Ube3c, an HECT family E3 ubiquitin ligase, targets PR for polyubiquitination and thus proteasome degradation in the absence of P38α. Moreover, we discovered that P38α restrains the polyubiquitination activity of Ube3c toward PR by phosphorylating the Ube3c at serine741 . In summary, we provided genetic evidence for the regulation of PR protein stability in the endometrium by P38α and identified Ube3c, whose activity was modulated by P38α-mediated phosphorylation, as an E3 ubiquitin ligase for PR in the uterus.
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Sex Steroid Receptors in Polycystic Ovary Syndrome and Endometriosis: Insights from Laboratory Studies to Clinical Trials. Biomedicines 2022; 10:biomedicines10071705. [PMID: 35885010 PMCID: PMC9312843 DOI: 10.3390/biomedicines10071705] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 12/13/2022] Open
Abstract
Polycystic ovary syndrome (PCOS) and endometriosis are reproductive disorders that may cause infertility. The pathology of both diseases has been suggested to be associated with sex steroid hormone receptors, including oestrogen receptors (ER), progesterone receptors (PRs) and androgen receptors (ARs). Therefore, with this review, we aim to provide an update on the available knowledge of these receptors and how their interactions contribute to the pathogenesis of PCOS and endometriosis. One of the main PCOS-related medical conditions is abnormal folliculogenesis, which is associated with the downregulation of ER and AR expression in the ovaries. In addition, metabolic disorders in PCOS are caused by dysregulation of sex steroid hormone receptor expression. Furthermore, endometriosis is related to the upregulation of ER and the downregulation of PR expression. These receptors may serve as therapeutic targets for the treatment of PCOS-related disorders and endometriosis, considering their pathophysiological roles. Receptor agonists may be applied to increase the expression of a specific receptor and treat endometriosis or metabolic disorders. In contrast, receptor antagonist functions to reduce receptor expression and can be used to treat endometriosis and induce ovulation. Understanding PCOS and the pathological roles of endometriosis sex steroid receptors is crucial for developing potential therapeutic strategies to treat infertility in both conditions. Therefore, research should be continued to fill the knowledge gap regarding the subject.
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11
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Sun Y, Bu LG, Wang B, Ren J, Li TY, Kong LL, Ni H. Expression and hormone regulation of UCP2 in goat uterus. Anim Reprod Sci 2022; 243:107015. [PMID: 35689907 DOI: 10.1016/j.anireprosci.2022.107015] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 05/21/2022] [Accepted: 06/03/2022] [Indexed: 12/01/2022]
Abstract
Pregnancy success is closely related to the molecular mechanisms that control energy metabolism balance. However, the mechanisms have not been fully understood. Uncoupling protein 2 (UCP2) plays a physiological role by regulating energy metabolism in numerous tissues. In this study, we determined the expression and hormone regulation of UCP2 in goat uterus. UCP2 is expressed in the luminal and glandular epithelia of goat uterus during early pregnancy, as revealed by in situ hybridization and immunohistochemistry conducted on pregnant goats. The signals were detected from day 0 (D0) to D30 of pregnancy, though weak on D16 (the adhesion period). The low levels of UCP2 on D16 were confirmed by RT-qPCR and western blot. In goat uterus and endometrial epithelial cells (EECs), UCP2 was up-regulated by progesterone and estrogen. In addition, after goat EECs were treated with genipin (an inhibitor of UCP2), not only UCP2 expression but also cell proliferation was inhibited. Collectively, UCP2 is dynamically expressed in goat uterus and can affect EEC proliferation, suggesting that it may participate in regulating the energy metabolism balance of goat uterus during early pregnancy.
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Affiliation(s)
- Ya Sun
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin 150030, China
| | - Li-Ge Bu
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin 150030, China
| | - Bo Wang
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin 150030, China
| | - Jie Ren
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin 150030, China
| | - Ting-Yue Li
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin 150030, China
| | - Li-Li Kong
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin 150030, China
| | - Hua Ni
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin 150030, China.
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12
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Yang T, Zhao J, Liu F, Li Y. Lipid metabolism and endometrial receptivity. Hum Reprod Update 2022; 28:858-889. [PMID: 35639910 DOI: 10.1093/humupd/dmac026] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 04/27/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Obesity has now been recognized as a high-risk factor for reproductive health. Although remarkable advancements have been made in ART, a considerable number of infertile obese women still suffer from serial implantation failure, despite the high quality of embryos transferred. Although obesity has long been known to exert various deleterious effects on female fertility, the underlying mechanisms, especially the roles of lipid metabolism in endometrial receptivity, remain largely elusive. OBJECTIVE AND RATIONALE This review summarizes current evidence on the impacts of several major lipids and lipid-derived mediators on the embryonic implantation process. Emerging methods for evaluating endometrial receptivity, for example transcriptomic and lipidomic analysis, are also discussed. SEARCH METHODS The PubMed and Embase databases were searched using the following keywords: (lipid or fatty acid or prostaglandin or phospholipid or sphingolipid or endocannabinoid or lysophosphatidic acid or cholesterol or progesterone or estrogen or transcriptomic or lipidomic or obesity or dyslipidemia or polycystic ovary syndrome) AND (endometrial receptivity or uterine receptivity or embryo implantation or assisted reproductive technology or in vitro fertilization or embryo transfer). A comprehensive literature search was performed on the roles of lipid-related metabolic pathways in embryo implantation published between January 1970 and March 2022. Only studies with original data and reviews published in English were included in this review. Additional information was obtained from references cited in the articles resulting from the literature search. OUTCOMES Recent studies have shown that a fatty acids-related pro-inflammatory response in the embryo-endometrium boundary facilitates pregnancy via mediation of prostaglandin signaling. Phospholipid-derived mediators, for example endocannabinoids, lysophosphatidic acid and sphingosine-1-phosphate, are associated with endometrial receptivity, embryo spacing and decidualization based on evidence from both animal and human studies. Progesterone and estrogen are two cholesterol-derived steroid hormones that synergistically mediate the structural and functional alterations in the uterus ready for blastocyst implantation. Variations in serum cholesterol profiles throughout the menstrual cycle imply a demand for steroidogenesis at the time of window of implantation (WOI). Since 2002, endometrial transcriptomic analysis has been serving as a diagnostic tool for WOI dating. Numerous genes that govern lipid homeostasis have been identified and, based on specific alterations of lipidomic signatures differentially expressed in WOI, lipidomic analysis of endometrial fluid provides a possibility for non-invasive diagnosis of lipids alterations during the WOI. WIDER IMPLICATIONS Given that lipid metabolic dysregulation potentially plays a role in infertility, a better understanding of lipid metabolism could have significant clinical implications for the diagnosis and treatment of female reproductive disorders.
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Affiliation(s)
- Tianli Yang
- Reproductive Medicine Center, Xiangya Hospital of Central South University, Changsha, P.R. China.,Clinical Research Center for Women's Reproductive Health in Hunan Province, Changsha, P.R. China
| | - Jing Zhao
- Reproductive Medicine Center, Xiangya Hospital of Central South University, Changsha, P.R. China.,Clinical Research Center for Women's Reproductive Health in Hunan Province, Changsha, P.R. China
| | - Feng Liu
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, and Key Laboratory of Diabetes Immunology, Ministry of Education, The Second Xiangya Hospital of Central South University, Changsha, P.R. China
| | - Yanping Li
- Reproductive Medicine Center, Xiangya Hospital of Central South University, Changsha, P.R. China.,Clinical Research Center for Women's Reproductive Health in Hunan Province, Changsha, P.R. China
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13
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Yoo JY, Kim TH, Shin JH, Marquardt RM, Müller U, Fazleabas AT, Young SL, Lessey BA, Yoon HG, Jeong JW. Loss of MIG-6 results in endometrial progesterone resistance via ERBB2. Nat Commun 2022; 13:1101. [PMID: 35232969 PMCID: PMC8888616 DOI: 10.1038/s41467-022-28608-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 12/27/2021] [Indexed: 01/17/2023] Open
Abstract
Female subfertility is highly associated with endometriosis. Endometrial progesterone resistance is suggested as a crucial element in the development of endometrial diseases. We report that MIG-6 is downregulated in the endometrium of infertile women with endometriosis and in a non-human primate model of endometriosis. We find ERBB2 overexpression in the endometrium of uterine-specific Mig-6 knockout mice (Pgrcre/+Mig-6f/f; Mig-6d/d). To investigate the effect of ERBB2 targeting on endometrial progesterone resistance, fertility, and endometriosis, we introduce Erbb2 ablation in Mig-6d/d mice (Mig-6d/dErbb2d/d mice). The additional knockout of Erbb2 rescues all phenotypes seen in Mig-6d/d mice. Transcriptomic analysis shows that genes differentially expressed in Mig-6d/d mice revert to their normal expression in Mig-6d/dErbb2d/d mice. Together, our results demonstrate that ERBB2 overexpression in endometrium with MIG-6 deficiency causes endometrial progesterone resistance and a nonreceptive endometrium in endometriosis-related infertility, and ERBB2 targeting reverses these effects. Female subfertility is highly associated with endometriosis. Here the authors show that progesterone-induced MIG-6 is reduced in endometrium of infertile women and non-human primates with endometriosis, and in a mouse model find that Erbb2 is the key mediator of Mig-6 loss induced endometriosis-related infertility.
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Affiliation(s)
- Jung-Yoon Yoo
- Department of Obstetrics,Gynecology & Reproductive Biology, Michigan State University, College of Human Medicine, Grand Rapids, MI, USA.,Department of Biomedical Laboratory Science, Yonsei University Mirae Campus, Wonju, South Korea
| | - Tae Hoon Kim
- Department of Obstetrics,Gynecology & Reproductive Biology, Michigan State University, College of Human Medicine, Grand Rapids, MI, USA
| | - Jung-Ho Shin
- Division of Reproductive Endocrinology, Department of Obstetrics & Gynecology, Guro Hospital, Korea University Medical Center, Seoul, South Korea
| | - Ryan M Marquardt
- Department of Obstetrics,Gynecology & Reproductive Biology, Michigan State University, College of Human Medicine, Grand Rapids, MI, USA.,Cell and Molecular Biology Program, Michigan State University, East Lansing, MI, USA
| | - Ulrich Müller
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Asgerally T Fazleabas
- Department of Obstetrics,Gynecology & Reproductive Biology, Michigan State University, College of Human Medicine, Grand Rapids, MI, USA
| | - Steven L Young
- Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, NC, USA
| | - Bruce A Lessey
- Department of Obstetrics and Gynecology, Wake Forest Baptist Health, Winston-Salem, NC, USA
| | - Ho-Geun Yoon
- Department of Biochemistry and Molecular Biology, Severance Medical Research Institute, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, South Korea.
| | - Jae-Wook Jeong
- Department of Obstetrics,Gynecology & Reproductive Biology, Michigan State University, College of Human Medicine, Grand Rapids, MI, USA.
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14
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Kim TH, Young SL, Sasaki T, Deaton JL, Schammel DP, Palomino WA, Jeong JW, Lessey BA. Role of SIRT1 and Progesterone Resistance in Normal and Abnormal Endometrium. J Clin Endocrinol Metab 2022; 107:788-800. [PMID: 34665857 PMCID: PMC8851922 DOI: 10.1210/clinem/dgab753] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Indexed: 11/19/2022]
Abstract
CONTEXT Progesterone resistance, a known pathologic condition associated with a reduced cellular response to progesterone and heightened estrogen responses, appears to have a normal physiologic role in mammalian reproduction. The molecular mechanism responsible for progesterone resistance in normal and abnormal endometrium remains unclear. OBJECTIVE To examine the roles of sirtuin-1 (SIRT1) in normal endometrium as well as endometrium associated with infertility and endometriosis, as an epigenetic modulator associated with progesterone resistance. METHODS SIRT1 expression was examined by Western blot, quantitative real-time polymerase chain reaction, and immunohistochemistry in mouse uterus and human endometrium. Mice with uterine specific Sirt1 overexpression were developed to examine SIRT1's role in endometrial function and endometriosis development. EX-527, a SIRT1 inhibitor, and SRT1720, a SIRT1 agonist, were also used to evaluate SIRT1 effect on endometriosis. RESULTS In normal healthy women, endometrial SIRT1 is expressed only during menses. SIRT1 was dramatically overexpressed in the endometrium from women with endometriosis in both the epithelium and stroma. In mice, SIRT1 is expressed at the time of implantation between day 4.5 and 5.5 of pregnancy. Overexpression of SIRT1 in the mouse uterus leads to subfertility due to implantation failure, decidualization defects and progesterone resistance. SIRT1 overexpression in endometriotic lesions promotes worsening endometriosis development. EX-527 significantly reduced the number of endometriotic lesions in the mouse endometriosis model. CONCLUSIONS SIRT1 expression and progesterone resistance appears to play roles in normal endometrial functions. Aberrant SIRT1 expression contributes to progesterone resistance and may participate in the pathophysiology of endometriosis. SIRT1 is a novel and targetable protein for the diagnosis as well as treatment of endometriosis and the associated infertility seen in this disease.
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Affiliation(s)
- Tae Hoon Kim
- Department of Obstetrics, Gynecology & Reproductive Biology, Michigan State University, Grand Rapids, MI, USA
| | - Steven L Young
- Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, NC, USA
| | - Tsutomu Sasaki
- Laboratory of Nutrition Chemistry, Division of Food Science and Biotechnology Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwakecho, Sakyo-ku, Kyoto, Kyoto, Japan
| | - Jeffrey L Deaton
- Department of Obstetrics and Gynecology, Wake Forest Baptist Health, Winston-Salem, NC, USA
| | | | - Wilder Alberto Palomino
- Institute for Maternal and Child Research, Reproductive Medicine and Infertility Unit, University of Chile & Department of Obstetrics and Gynecology, San Borja Arriarán Clinical Hospital, Santiago, Chile
| | - Jae-Wook Jeong
- Department of Obstetrics, Gynecology & Reproductive Biology, Michigan State University, Grand Rapids, MI, USA
- Correspondence: Jae-Wook Jeong, PhD, Obstetrics, Gynecology & Reproductive Biology, Michigan State University, 400 Monroe Ave NW, Grand Rapids, MI, 49503, USA.
| | - Bruce A Lessey
- Department of Obstetrics and Gynecology, Wake Forest Baptist Health, Winston-Salem, NC, USA
- Bruce A. Lessey, MD, PhD, 1 Medical Center Blvd, 4th Floor Watlington Hall, Department of Obstetrics and Gynecology, Wake Forest Baptist Health, Winston-Salem, NC 27157, USA.
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15
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Izmailova LS, Gaidamaka AO, Serbina OO, Vorotelyak EA. Effect of Hormonal Background on the Expression of Sex Hormone Receptors and the Migration Potential of Mouse Endometrial Epithelial and Stromal Cells In Vitro. Russ J Dev Biol 2021. [DOI: 10.1134/s1062360421060060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Bu LG, Sun Y, Li TY, Kong LL, Yu HN, Li SJ, Ding NZ, Ni H. Peri-implantation expression and regulation of ITGB8 in goat uterus. Theriogenology 2021; 180:130-136. [PMID: 34973644 DOI: 10.1016/j.theriogenology.2021.12.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 12/05/2021] [Accepted: 12/16/2021] [Indexed: 02/01/2023]
Abstract
Ruminants have a superficial implantation pattern. The extended conceptus attaches to the receptive endometrium to form the cotyledonary placenta. During the attachment, a large number of events occur at the maternal-fetal interface. However, the related molecular mechanisms have not been fully understood. Integrin beta8 (ITGB8) is a subunit of integrin beta involved in embryo implantation. In this study, we determined peri-implantation expression and regulation of ITGB8 in goat uterus. The mRNA and protein levels of ITGB8 were both high in goat endometrial luminal epithelium (LE) and superficial glandular epithelium (sGE) during the adhesion period (Days 16-19 of pregnancy). Such expression profile was opposite to that of microRNA-187 (miR-187). Then, we validated that miR-187 targeted the 3' untranslated region (UTR) of ITGB8 in primary goat endometrial epithelial cells (EECs). In EECs, inhibition of miR-187 resulted in not only up-regulated ITGB8 level but also reduced cell proliferation and focal adhesion kinase (FAK) activity. Moreover, ITGB8 and miR-187 were regulated by interferon tau (IFNT). Altogether, in goat, the miR-187/ITGB8 axis may be involved in conceptus attachment and is downstream of IFNT. Our results will help us better understand the mechanisms of ruminant implantation and may provide a useful tool to improve the reproduction ratio for ruminants.
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Affiliation(s)
- Li-Ge Bu
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, 150030, China
| | - Ya Sun
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, 150030, China
| | - Ting-Yue Li
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, 150030, China
| | - Li-Li Kong
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, 150030, China
| | - Hao-Nan Yu
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, 150030, China
| | - Shi-Jie Li
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, 150030, China
| | - Nai-Zheng Ding
- Key Laboratory of Animal Resistance Biology of Shandong Province, College of Life Science, Shandong Normal University, Jinan, 250014, China
| | - Hua Ni
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, 150030, China.
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17
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Wang B, Shao Y. Annexin A2 acts as an adherent molecule under the regulation of steroids during embryo implantation. Mol Hum Reprod 2021; 26:825-836. [PMID: 33010173 DOI: 10.1093/molehr/gaaa065] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 08/16/2020] [Indexed: 12/16/2022] Open
Abstract
We previously showed that annexin A2 (Axna2) was transiently expressed at the embryo-uterine luminal epithelium interface during the window of implantation and was involved in mouse embryo implantation. At the same time, Axna2 was reported to be upregulated in human receptive endometrium, which was critical for embryo attachment as an intracellular molecule. Here, we identified Axna2 as a membrane-bound molecule on human endometrial epithelial cells and trophoblast cells, and the outer surface membrane-bound Axna2 was involved in human embryo attachment. In addition, physiological levels of estrogen and progesterone increased the expression of overall Axna2 as well as that in the extracellular surface membrane protein fraction in human endometrial cells. Furthermore, p11 (or S100A10, a member of the S100 EF-hand family protein, molecular weight 11 kDa) was involved in the translocation of Axna2 to the outer surface membrane of endometrial epithelial cells without affecting its overall expression. Finally, the surface relocation of Axna2 was also dependent on cell-cell contact and calcium binding. A better understanding of the function and regulation of Axna2 in human endometrium may help us to identify a potential therapeutic target for subfertile and infertile patients.
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Affiliation(s)
- Bing Wang
- Department of Obstetrics and Gynecology, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, People's Republic of China
- R & D Department, Shenzhen Wingor Biotechnology Co., Ltd, Room 304, Shenzhen IC Design & Application Industrial Park, Shenzhen City, Guangdong Province, People's Republic of China
| | - Yan Shao
- Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Shatin, NT, People's Republic of China
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18
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Milesi MM, Lorenz V, Durando M, Rossetti MF, Varayoud J. Glyphosate Herbicide: Reproductive Outcomes and Multigenerational Effects. Front Endocrinol (Lausanne) 2021; 12:672532. [PMID: 34305812 PMCID: PMC8293380 DOI: 10.3389/fendo.2021.672532] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 06/14/2021] [Indexed: 12/20/2022] Open
Abstract
Glyphosate base herbicides (GBHs) are the most widely applied pesticides in the world and are mainly used in association with GBH-tolerant crop varieties. Indiscriminate and negligent use of GBHs has promoted the emergence of glyphosate resistant weeds, and consequently the rise in the use of these herbicides. Glyphosate, the active ingredient of all GBHs, is combined with other chemicals known as co-formulants that enhance the herbicide action. Nowadays, the safety of glyphosate and its formulations remain to be a controversial issue, as evidence is not conclusive whether the adverse effects are caused by GBH or glyphosate, and little is known about the contribution of co-formulants to the toxicity of herbicides. Currently, alarmingly increased levels of glyphosate have been detected in different environmental matrixes and in foodstuff, becoming an issue of social concern. Some in vitro and in vivo studies have shown that glyphosate and its formulations exhibit estrogen-like properties, and growing evidence has indicated they may disrupt normal endocrine function, with adverse consequences for reproductive health. Moreover, multigenerational effects have been reported and epigenetic mechanisms have been proved to be involved in the alterations induced by the herbicide. In this review, we provide an overview of: i) the routes and levels of human exposure to GBHs, ii) the potential estrogenic effects of glyphosate and GBHs in cell culture and animal models, iii) their long-term effects on female fertility and mechanisms of action, and iv) the consequences on health of successive generations.
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Affiliation(s)
- María Mercedes Milesi
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - Virginia Lorenz
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - Milena Durando
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - María Florencia Rossetti
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - Jorgelina Varayoud
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
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19
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Fernando SR, Lee CL, Wong BP, Cheng KW, Lee YL, Chan MC, Ng EH, Yeung WS, Lee KF. Expression of membrane protein disulphide isomerase A1 (PDIA1) disrupt a reducing microenvironment in endometrial epithelium for embryo implantation. Exp Cell Res 2021; 405:112665. [PMID: 34111473 DOI: 10.1016/j.yexcr.2021.112665] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 05/18/2021] [Accepted: 05/21/2021] [Indexed: 10/21/2022]
Abstract
Various proteins in the endometrial epithelium are differentially expressed in the receptive phase and play a pivotal role in embryo implantation. The Protein Disulphide Isomerase (PDI) family contains 21 members that function as chaperone proteins through their redox activities. Although total PDIA1 protein expression was high in four common receptive (Ishikawa and RL95-2) and non-receptive (HEC1-B and AN3CA) endometrial epithelial cell lines, significantly higher membrane PDIA1 expression was found in non-receptive AN3CA cells. In Ishikawa cells, oestrogen up-regulated while progesterone down-regulated membrane PDIA1 expression. Moreover, mid-luteal phase hormone treatment down-regulated membrane PDIA1 expression. Furthermore, oestrogen at 10 nM reduced spheroid attachment on Ishikawa cells. Interestingly, inhibition of PDIA1 function by bacitracin or 16F16 increased the spheroid attachment rate onto non-receptive AN3CA cells. Over-expression of PDIA1 in receptive Ishikawa cells reduced the spheroid attachment rate and significantly down-regulated integrin β3 levels, but not integrin αV and E-cadherin. Addition of reducing agent TCEP induced a sulphydryl-rich microenvironment and increased spheroid attachment onto AN3CA cells and human primary endometrial epithelial cells collected at LH+7/8 days. The luminal epithelial cells from human endometrial biopsies had higher PDIA1 protein expression in the proliferative phase than in the secretory phase. Our findings suggest oestrogen and progesterone regulate PDIA1 expression, resulting in the differential expressions of membrane PDIA1 protein to modulate endometrial receptivity. This suggests that membrane PDIA1 expression prior to embryo transfer could be used to predict endometrial receptivity and embryo implantation in women undergoing assisted reproduction treatment.
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Affiliation(s)
- Sudini R Fernando
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region; Department of Animal Science, Faculty of Animal Science & Export Agriculture, Uva Wellassa University, Badulla, 50000, Sri Lanka
| | - Cheuk-Lun Lee
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region; Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong-Shenzhen Hospital, Haiyuan 1st Road, Futian District, Shenzhen, 518053, China
| | - Benancy Pc Wong
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region
| | - Kiu-Wai Cheng
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region
| | - Yin-Lau Lee
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region; Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong-Shenzhen Hospital, Haiyuan 1st Road, Futian District, Shenzhen, 518053, China
| | - Ming-Chung Chan
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region
| | - Ernest Hy Ng
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region; Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong-Shenzhen Hospital, Haiyuan 1st Road, Futian District, Shenzhen, 518053, China
| | - William Sb Yeung
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region; Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong-Shenzhen Hospital, Haiyuan 1st Road, Futian District, Shenzhen, 518053, China
| | - Kai-Fai Lee
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region; Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong-Shenzhen Hospital, Haiyuan 1st Road, Futian District, Shenzhen, 518053, China.
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20
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Paulson EE, Comizzoli P. Endometrial receptivity and embryo implantation in carnivores-commonalities and differences with other mammalian species. Biol Reprod 2021; 104:771-783. [PMID: 33412583 DOI: 10.1093/biolre/ioab001] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Revised: 11/12/2020] [Accepted: 01/04/2021] [Indexed: 12/23/2022] Open
Abstract
Endometrial receptivity and embryo implantation processes are a major point of pregnancy failure in many mammalian species, including humans. Although reproductive biology in many carnivore species remains enigmatic, the few that have been studied so far are invaluable comparative models. The goals of this review are to (1) summarize current data on the mechanisms involved in uterine receptivity and embryo implantation in carnivores, including commonalities and differences with other mammalian species and (2) identify research priorities to better understand a key phenomenon in a critical group of mammals. Besides unique reproductive traits in some carnivores (induced vs. spontaneous ovulation in cats, ovulation at the germinal vesicle stage in dogs), preimplantation embryo development is comparable with other orders. However, the timing of implantation varies, especially in species having an embryonic diapause. Mechanisms involved in endometrial receptivity and decidualization still remain to be fully understood, but specific markers have already been identified. Importantly, the use of endogenous hormones to control the ovarian activity may impact endometrial receptivity and subsequent embryo implantation. Next, research efforts should take advantage of advanced technologies to further study embryo implantation in carnivores and to provide more relevant models to reproductive medicine or for the conservation of rare and endangered species.
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Affiliation(s)
- Erika Elinor Paulson
- Smithsonian Conservation Biology Institute, National Zoological Park, Washington, DC, USA
| | - Pierre Comizzoli
- Smithsonian Conservation Biology Institute, National Zoological Park, Washington, DC, USA
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21
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Gupta S, Gupta P. Etiopathogenesis, Challenges and Remedies Associated With Female Genital Tuberculosis: Potential Role of Nuclear Receptors. Front Immunol 2020; 11:02161. [PMID: 33178178 PMCID: PMC7593808 DOI: 10.3389/fimmu.2020.02161] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 08/07/2020] [Indexed: 12/16/2022] Open
Abstract
Extra-pulmonary tuberculosis (EPTB) is recognized mainly as a secondary manifestation of a primary tuberculosis (TB) infection in the lungs contributing to a high incidence of morbidity and mortality. The TB bacilli upon reactivation maneuver from the primary site disseminating to other organs. Diagnosis and treatment of EPTB remains challenging due to the abstruse positioning of the infected organs and the associated invasiveness of sample acquisition as well as misdiagnosis, associated comorbidities, and the inadequacy of biomarkers. Female genital tuberculosis (FGTB) represents the most perilous form of EPTB leading to poor uterine receptivity (UR), recurrent implantation failure and infertility in females. Although the number of TB cases is reducing, FGTB cases are not getting enough attention because of a lack of clinical awareness, nonspecific symptoms, and inappropriate diagnostic measures. This review provides an overview for EPTB, particularly FGTB diagnostics and treatment challenges. We emphasize the need for new therapeutics and highlight the need for the exaction of biomarkers as a point of care diagnostic. Nuclear receptors have reported role in maintaining UR, immune modulation, and TB modulation; therefore, we postulate their role as a therapeutic drug target and biomarker that should be explored in FGTB.
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Affiliation(s)
- Shalini Gupta
- Department of Molecular Biology, CSIR-Institute of Microbial Technology, Chandigarh, India
| | - Pawan Gupta
- Department of Molecular Biology, CSIR-Institute of Microbial Technology, Chandigarh, India
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22
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Wangsa K, Sarma I, Saikia P, Ananthakrishnan D, Sarma HN, Velmurugan D. Estrogenic Effect of Scoparia dulcis (Linn) Extract in Mice Uterus and In Silico Molecular Docking Studies of Certain Compounds with Human Estrogen Receptors. J Reprod Infertil 2020; 21:247-258. [PMID: 33209741 PMCID: PMC7648873 DOI: 10.18502/jri.v21i4.4329] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Background: Scoparia dulcis Linn. is reported to be used by women of Assam and Arunachal Pradesh in northeast India for treating menstrual disorders. Scoparia dulcis contains compounds that bind with estrogen receptors (ERα and ERβ) evidenced by increased PCNA in endometrial epithelium. Methods: Crude extract was orally administered at the dose of 500 mg/kg body weight/day to the female mice (60–70 days old) in five different groups. Each group containing six females included: (I) cyclic control, (II) cyclic extract treated, (III) Ovariectomized (OVX)-vehicle treated (Control), (IV) OVX-E2 treated (V) OVX- extract treated. Extract was administered for eight days to the cyclic groups and three days to the OVX groups. PCNA was detected immunohistochemically in uterine tissues and signals were analyzed by Image J software (NIH, USA). Compounds were separated by GC-MS and identified using NIST. In silico molecular docking studies was performed with human estrogen receptors (ERα and ERβ). Molecular dynamics (MD) simulations of the best interacting compound was done using gromacs. Results: The results showed cell proliferation in the uterine endometrium evidenced by PCNA. Two phytocompounds, Octadecanoic acid and methyl stearate showed binding affinity with ERα and ERβ. Conclusion: Scoparia dulcis contains compounds having binding affinity with ERα and ERβ. The present study is the first report on compounds from Scoparia dulcis showing binding affinity with human estrogen receptors which may have biological effect on female reproduction.
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Affiliation(s)
- Khamhee Wangsa
- Department of Zoology, Rajiv Gandhi University, Rono Hills, Itanagar, Arunachal Pradesh, India
| | - Indira Sarma
- Department of Zoology, Rajiv Gandhi University, Rono Hills, Itanagar, Arunachal Pradesh, India
| | - Purbajyoti Saikia
- Department of Zoology, Rajiv Gandhi University, Rono Hills, Itanagar, Arunachal Pradesh, India
| | - Dhanabalan Ananthakrishnan
- Centre of Advanced Study in Crystallography and Biophysics, University of Madras, Guindy Campus, Chennai, India
| | - Hirendra Nath Sarma
- Department of Zoology, Rajiv Gandhi University, Rono Hills, Itanagar, Arunachal Pradesh, India
| | - Devadasan Velmurugan
- Centre of Advanced Study in Crystallography and Biophysics, University of Madras, Guindy Campus, Chennai, India
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23
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Zhang H, Qi J, Wang Y, Sun J, Li Z, Sui L, Fan J, Liu C, Shang Y, Kong L, Kong Y. Progesterone Regulates Glucose Metabolism Through Glucose Transporter 1 to Promote Endometrial Receptivity. Front Physiol 2020; 11:543148. [PMID: 33101047 PMCID: PMC7546771 DOI: 10.3389/fphys.2020.543148] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 09/03/2020] [Indexed: 12/13/2022] Open
Abstract
Successful embryo implantation requires receptive endometrium, which is conducive to the process of embryo recognition, adhesion, and invasion within a certain period of time and is inseparable from the dynamic interaction between 17β-estradiol (E2) and progesterone (P4). Proper glucose metabolism is critical for the profound physiological changes in the endometrium entering the receptive state. And glucose transporters (GLUTs) are responsible for intracellular uptake of glucose and are the first step in glucose metabolism. Prior literature has reported the presence of GLUTs in the endometrium. However, we still do not understand the specific mechanisms of this process. In this study, we identified the effect of P4 on glucose transporter 1 (GLUT1) using in vivo animal models and determined the regulation of glucose metabolism by P4 in cells. We highly suspect that this pregnancy failure may be due to reduced GLUT1-mediated glucose metabolism, resulting in a decrease in endometrial receptivity caused by an inadequate energy supply and synthesis of substrate. Here, we propose a possible mechanism to explain how embryo implantation is affected by P4 and glucose utilization under abnormal endometrial conditions.
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Affiliation(s)
- Hongshuo Zhang
- Core Laboratory of Glycobiology and Glycoengineering, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Jia Qi
- Core Laboratory of Glycobiology and Glycoengineering, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Yufei Wang
- Core Laboratory of Glycobiology and Glycoengineering, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Jing Sun
- Department of Ultrasound, Xijing Hospital, Xi'an, China
| | - Zhen Li
- Core Laboratory of Glycobiology and Glycoengineering, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Linlin Sui
- Core Laboratory of Glycobiology and Glycoengineering, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Jianhui Fan
- Core Laboratory of Glycobiology and Glycoengineering, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Chao Liu
- Core Laboratory of Glycobiology and Glycoengineering, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Yuhong Shang
- Department of Gynecology, First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Li Kong
- Core Laboratory of Glycobiology and Glycoengineering, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Ying Kong
- Core Laboratory of Glycobiology and Glycoengineering, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
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24
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Lorenz V, Pacini G, Luque EH, Varayoud J, Milesi MM. Perinatal exposure to glyphosate or a glyphosate-based formulation disrupts hormonal and uterine milieu during the receptive state in rats. Food Chem Toxicol 2020; 143:111560. [PMID: 32640336 DOI: 10.1016/j.fct.2020.111560] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 06/19/2020] [Accepted: 06/24/2020] [Indexed: 12/18/2022]
Abstract
We investigated the effects of perinatal exposure to a glyphosate-based herbicide (GBH) or glyphosate alone (Gly) on female fertility and the hormonal and uterine milieu during the preimplantation period. F0 pregnant rats orally received a GBH or Gly in a dose of 2 mg of glyphosate/kg/day from gestational day (GD) 9 until weaning. F1 females were evaluated to determine the reproductive performance on GD19; and the sex steroid serum levels, the expression of estrogen receptor alpha (ERα), progesterone receptor (PR) and implantation-related genes on GD5 (preimplantation period). GBH and Gly induced preimplantation losses in F1 rats. GBH and Gly groups exhibited higher 17β-estradiol serum levels, without changes in progesterone. Both compounds increased the uterine ERα protein expression, with no differences at transcript level; and only Gly decreased PR mRNA expression. Also, GBH and Gly downregulated Hoxa10 and Lif genes, with no difference in Muc1 and Areg expression. To conclude, perinatal exposure to a GBH or Gly disrupted critical hormonal and uterine molecular targets during the receptive state, possibly associated with the implantation failures. Overall, similar results were found in GBH- and Gly-exposed rats, suggesting that the active principle might be the main responsible for the deleterious effects.
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Affiliation(s)
- Virginia Lorenz
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - Guillermina Pacini
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - Enrique H Luque
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Jorgelina Varayoud
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - María M Milesi
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina.
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25
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Golovchenko O, Abramova M, Ponomarenko I, Reshetnikov E, Aristova I, Polonikov A, Dvornyk V, Churnosov M. Functionally significant polymorphisms of ESR1and PGR and risk of intrauterine growth restriction in population of Central Russia. Eur J Obstet Gynecol Reprod Biol 2020; 253:52-57. [PMID: 32777541 DOI: 10.1016/j.ejogrb.2020.07.045] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 07/21/2020] [Accepted: 07/24/2020] [Indexed: 02/07/2023]
Abstract
OBJECTIVE This study aimed to investigate the role ofESR1 and PGR gene polymorphisms in development of intrauterine growth restriction (IUGR) among Russian women in Central Russia. STUDY DESIGN This case-control study recruited a total of 520 women in the third trimester of pregnancy, including 196 IUGR patients and 324 controls. The participants were unrelated women of self-reported Russian ethnicity. Participants were genotyped at 4 functionally significant polymorphisms of theESR1 (rs2234693, rs9340799) and the PGR (rs484389, rs1042838) genes. The association analysis was performed using logistic regression. Two polymorphisms, which were associated with IUGR, and 26 polymorphisms linked to them (r2≥0.6) were analyzed for their functional significance in silico. RESULTS Haplotype TG of loci rs2234693-rs9340799ESR1 (OR = 1.94, рperm = 0.006) was associated with an increased risk of IUGR. Allele T of rs2234693 decreases expression of ESR1 in thyroid gland, allele T of rs2234693 and allele G of rs9340799 increase affinity to eight transcription factors (AP-4, HEN1, E2A, LBP-1, RP58, LUN, Ets and Hand). The loci that are linked (r2≥0.6) to the IUGR-associated SNPs, have the cis-eQTL value (expression ESR1 in thyroid gland) and showed their regulatory effects in organs and tissues related to pathogenesis of IUGR. CONCLUSION Haplotype TG defined by polymorphisms rs2234693-rs9340799 of theESR1 gene is associated with the development of IUGR in Russian women from Central Russia.
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Affiliation(s)
- Oleg Golovchenko
- Department of Medical Biological Disciplines, Belgorod State University, 308015 Belgorod, Russia
| | - Maria Abramova
- Department of Medical Biological Disciplines, Belgorod State University, 308015 Belgorod, Russia
| | - Irina Ponomarenko
- Department of Medical Biological Disciplines, Belgorod State University, 308015 Belgorod, Russia
| | - Evgeny Reshetnikov
- Department of Medical Biological Disciplines, Belgorod State University, 308015 Belgorod, Russia.
| | - Inna Aristova
- Department of Medical Biological Disciplines, Belgorod State University, 308015 Belgorod, Russia
| | - Alexey Polonikov
- Department of Biology, Medical Genetics and Ecology, Kursk State Medical University, 305041 Kursk, Russia
| | - Volodymyr Dvornyk
- Department of Life Sciences, College of Science and General Studies, Alfaisal University, 11533 Riyadh, Saudi Arabia
| | - Mikhail Churnosov
- Department of Medical Biological Disciplines, Belgorod State University, 308015 Belgorod, Russia
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26
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Marquardt RM, Lee K, Kim TH, Lee B, DeMayo FJ, Jeong JW. Interleukin-13 receptor subunit alpha-2 is a target of progesterone receptor and steroid receptor coactivator-1 in the mouse uterus†. Biol Reprod 2020; 103:760-768. [PMID: 32558878 DOI: 10.1093/biolre/ioaa110] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 05/21/2020] [Indexed: 12/14/2022] Open
Abstract
The endometrium, composed of epithelial and stromal cell compartments, is tightly regulated by the ovarian steroid hormones estrogen (E2) and progesterone (P4) during early pregnancy. Through the progesterone receptor (PGR), steroid receptor coactivators, and other transcriptional coregulators, progesterone inhibits E2-induced cell proliferation and induces the differentiation of stromal cells in a process called decidualization to promote endometrial receptivity. Although interleukin-13 receptor subunit alpha-2 (Il13ra2) is expressed in the human and mouse endometrium, its potential role in the steroid hormone regulation of the endometrium has not been thoroughly examined. In this study, we employed PGR knockout mice and steroid receptor coactivator-1 knockout mice (SRC-1-/-) to profile the expression of Il13ra2 in the murine endometrium and determine the role of these transcriptional regulators in the hormone-responsiveness of Il13ra2 expression. Furthermore, we utilized a well-established decidualization-inducing steroidogenic cocktail and a siRNA-based knockdown of IL13RA2 to determine the importance of IL13RA2 in the decidualization of primary human endometrial stromal cells. Our findings demonstrate that Il13ra2 is expressed in the subepithelial stroma of the murine endometrium in response to ovarian steroid hormones and during early pregnancy in a PGR- and SRC-1-dependent manner. Furthermore, we show that knockdown of IL13RA2 before in vitro decidualization of primary human endometrial stromal cells partially compromises the full decidualization response. We conclude that Il13ra2 is a downstream target of progesterone through PGR and SRC-1 and plays a role in mediating the stromal action of ovarian steroid hormones.
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Affiliation(s)
- Ryan M Marquardt
- Department of Obstetrics, Gynecology & Reproductive Biology, Michigan State University, College of Human Medicine, Grand Rapids, MI, USA.,Cell and Molecular Biology Program, Michigan State University, East Lansing, MI, USA
| | - Kevin Lee
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA
| | - Tae Hoon Kim
- Department of Obstetrics, Gynecology & Reproductive Biology, Michigan State University, College of Human Medicine, Grand Rapids, MI, USA
| | - Brandon Lee
- Department of Obstetrics, Gynecology & Reproductive Biology, Michigan State University, College of Human Medicine, Grand Rapids, MI, USA.,Program of Neuroscience, Bowdoin College, Brunswick, ME, USA
| | - Francesco J DeMayo
- Reproductive and Development Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Jae-Wook Jeong
- Department of Obstetrics, Gynecology & Reproductive Biology, Michigan State University, College of Human Medicine, Grand Rapids, MI, USA
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27
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A hypoxia-induced Rab pathway regulates embryo implantation by controlled trafficking of secretory granules. Proc Natl Acad Sci U S A 2020; 117:14532-14542. [PMID: 32513733 DOI: 10.1073/pnas.2000810117] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Implantation is initiated when an embryo attaches to the uterine luminal epithelium and subsequently penetrates into the underlying stroma to firmly embed in the endometrium. These events are followed by the formation of an extensive vascular network in the stroma that supports embryonic growth and ensures successful implantation. Interestingly, in many mammalian species, these processes of early pregnancy occur in a hypoxic environment. However, the mechanisms underlying maternal adaptation to hypoxia during early pregnancy remain unclear. In this study, using a knockout mouse model, we show that the transcription factor hypoxia-inducible factor 2 alpha (Hif2α), which is induced in subluminal stromal cells at the time of implantation, plays a crucial role during early pregnancy. Indeed, when preimplantation endometrial stromal cells are exposed to hypoxic conditions in vitro, we observed a striking enhancement in HIF2α expression. Further studies revealed that HIF2α regulates the expression of several metabolic and protein trafficking factors, including RAB27B, at the onset of implantation. RAB27B is a member of the Rab family of GTPases that allows controlled release of secretory granules. These granules are involved in trafficking MMP-9 from the stroma to the epithelium to promote luminal epithelial remodeling during embryo invasion. As pregnancy progresses, the HIF2α-RAB27B pathway additionally mediates crosstalk between stromal and endothelial cells via VEGF granules, developing the vascular network critical for establishing pregnancy. Collectively, our study provides insights into the intercellular communication mechanisms that operate during adaptation to hypoxia, which is essential for embryo implantation and establishment of pregnancy.
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28
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Guo C, Kong F, Lv Y, Gao N, Xiu X, Sun X. CDC20 inhibitor Apcin inhibits embryo implantation in vivo and in vitro. Cell Biochem Funct 2020; 38:810-816. [PMID: 32458533 PMCID: PMC7496523 DOI: 10.1002/cbf.3550] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 04/09/2020] [Accepted: 04/27/2020] [Indexed: 02/06/2023]
Abstract
For successful implantation, endometrial receptivity must be established. The high expression of CDC20 in many kinds of malignant tumours has been reported, and it is related to the occurrence and development of tumours. According to these functions, we think that CDC20 may also play important roles in the process of embryo implantation. To prove our hypothesis, we observed the distribution and expression of CDC20 in mouse and human early pregnancy. The effect of E2 and/or P4 on the expression of CDC20 in human endometrial cells was detected by Western blot. To further explore whether CDC20 is an important factor in adhesion and proliferation. The results showed that the expression of CDC20 in the uterus and menstrual cycle of early pregnant mice was spatiotemporal. E2 can promote the expression of CDC20. On the contrary, P4 and E2 + P4 inhibited the expression of CDC20. We also detected the proliferation and adhesion of human endometrial cells. We found that the inhibition of CDC20 with its inhibitor Apcin could reduce the adhesion rate and proliferation ability to RL95‐2 and HEC‐1A cells, respectively. Inhibiting CDC20 by Apcin could interfere the embryo implantation of mouse. It is suggested that CDC20 may play an important role in the process of embryo implantation. Significance of the study Embryo implantation is an extremely complex and delicate process, including identification, localisation, adhesion and invasion between embryo and endometrium. Studies have shown the process of embryo implantation is very similar to that of tumour invasion. CDC20 is a cancer‐promoting factor. We found CDC20 is spatially and spatially expressed in mouse and human menstrual cycles and is regulated by oestrogen and progesterone. Apcin can inhibit the adhesion of JAR cells and embryo implantation of mouse. CDC20 may provide a new way to improve the success rate of assisted reproduction.
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Affiliation(s)
- Chuanjia Guo
- Department of Gynecology and Obstetrics, First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Fandou Kong
- Department of Gynecology and Obstetrics, First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yunyi Lv
- Department of Gynecology and Obstetrics, First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Na Gao
- Department of Gynecology and Obstetrics, First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Xiaoxin Xiu
- Department of Gynecology and Obstetrics, First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Xiaojing Sun
- Department of Gynecology and Obstetrics, First Affiliated Hospital of Dalian Medical University, Dalian, China
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29
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Kim TH, Jeong JW. Proline-Rich Acidic Protein 1 (PRAP1) is a Target of ARID1A and PGR in the Murine Uterus. Dev Reprod 2019; 23:277-284. [PMID: 31660454 PMCID: PMC6812973 DOI: 10.12717/dr.2019.23.3.277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 08/13/2019] [Accepted: 09/05/2019] [Indexed: 12/05/2022]
Abstract
ARID1A and PGR plays an important role in embryo implantation and decidualization
during early pregnancy. Uterine specific Arid1a knockout
(Pgrcre/+Arid1af/f) mice
exhibit in non-receptive endometrium at day 3.5 of gestation (GD 3.5). In
previous studies, using transcriptomic analysis in the uterus of
Pgrcre/+Arid1af/f mice, we
identified proline-rich acidic protein 1 (PRAP1) as one of the
down-regulated genes by ARID1A in the uterus. In the present study, we performed
RT-qPCR and immunohistochemistry analysis to investigate the regulation of PRAP1
by ARID1A and determine expression patterns of PRAP1 in the uterus during early
pregnancy. During early pregnancy, PRAP1 expression was strong at day 0.5 of
gestation (GD 0.5) and then decreased at GD 3.5 in the epithelium and stroma.
After implantation, PRAP1 expression was remarkably reduced in the uterus.
However, the expression of PRAP1 at GD 3.5 was remarkably increased in the
Pgrcre/+Arid1a f/f mice.
To determine the ovarian steroid hormone regulation of PRAP1, we examined the
expression of PRAP1 in ovariectomized control,
Pgrcre/+Arid1af/f, and
progesterone receptor knock-out (PRKO) mice treated with progesterone. While
PRAP1 proteins were strongly expressed in the luminal and glandular epithelium
of control mice treated with vehicle, progesterone treatment suppressed the
expression of PRAP1. However, PRAP1 was not suppressed in both the
Pgrcre/+Arid1af/f and PRKO
mice compared to controls. Our results identified PRAP1 as a novel target of
ARID1A and PGR in the murine uterus.
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Affiliation(s)
- Tae Hoon Kim
- Dept. of Obstetrics, Gynecology & Reproductive Biology, Michigan State University College of Human Medicine, Grand Rapids, MI 49503, USA
| | - Jae-Wook Jeong
- Dept. of Obstetrics, Gynecology & Reproductive Biology, Michigan State University College of Human Medicine, Grand Rapids, MI 49503, USA
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30
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Zhang L, Zhang Y, Luo L, Tan J, Jia M, Hua X, Wang Q, Zhou C. Effects of hormone replacement therapy on endometrial hormone concentrations and progesterone receptor expression in recurrent pregnancy loss: a self-controlled study. J Matern Fetal Neonatal Med 2019; 34:1415-1420. [PMID: 31390923 DOI: 10.1080/14767058.2019.1638357] [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] [Indexed: 10/26/2022]
Abstract
AIM To investigate the differential effects of endometrial preparation approaches, natural cycle (NC) and hormone replacement therapy (HRT), on the endometrial hormone conditions in patients with recurrent pregnancy loss (RPL). METHODS 42 RPL patients were recruited, and a self-controlled trial was conducted to compare the effectiveness of NC to HRT on the same patient. The estradiol (E2) and progesterone (P) levels in both serum and endometrial tissue were measured in NC and HRT, respectively. Meanwhile, the expression levels of endometrial progesterone receptor A (PRA) and progesterone receptor B (PRB) were also compared between NC and HRT cycles during the window of receptivity. All statistical analyses were performed using GraphPad Prism 5, and data were averaged across subjects and tested for significance by pair-samples t-test. RESULTS Hormone replacement slightly decreased serum E2 and P levels (0.9- and 0.8-fold in average, respectively), significantly elevated endometrial E2 and P (2.1- and 14.5-fold in average, respectively), and reduced endometrial E2/P ratio (0.34-fold in average) compared to the NC condition. However, no correlation was found between serum and endometrial hormone concentrations. Further, the PRA/PRB ratios of both stromal and glandular cells were comparable between HRT and NC conditions, even though stromal PRA expression was slightly elevated by HRT compared to NC (1.63±0.96 vs 1.18±0.99, p =.0173). CONCLUSION The effects of HRT for endometrial preparation are similar or slightly superior to NC in RPL patients.
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Affiliation(s)
- Limei Zhang
- Department of Obstetrics and Gynecology, Reproductive Medicine Center, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Yingying Zhang
- Department of Obstetrics and Gynecology, Reproductive Medicine Center, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Lu Luo
- Department of Obstetrics and Gynecology, Reproductive Medicine Center, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Jifan Tan
- Department of Obstetrics and Gynecology, Seventh Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | | | - Xiang Hua
- Department of Obstetrics and Gynecology, Reproductive Medicine Center, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Qiong Wang
- Department of Obstetrics and Gynecology, Reproductive Medicine Center, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Canquan Zhou
- Department of Obstetrics and Gynecology, Reproductive Medicine Center, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
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Marquardt RM, Kim TH, Shin JH, Jeong JW. Progesterone and Estrogen Signaling in the Endometrium: What Goes Wrong in Endometriosis? Int J Mol Sci 2019; 20:E3822. [PMID: 31387263 PMCID: PMC6695957 DOI: 10.3390/ijms20153822] [Citation(s) in RCA: 186] [Impact Index Per Article: 37.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 07/30/2019] [Accepted: 08/01/2019] [Indexed: 02/07/2023] Open
Abstract
In the healthy endometrium, progesterone and estrogen signaling coordinate in a tightly regulated, dynamic interplay to drive a normal menstrual cycle and promote an embryo-receptive state to allow implantation during the window of receptivity. It is well-established that progesterone and estrogen act primarily through their cognate receptors to set off cascades of signaling pathways and enact large-scale gene expression programs. In endometriosis, when endometrial tissue grows outside the uterine cavity, progesterone and estrogen signaling are disrupted, commonly resulting in progesterone resistance and estrogen dominance. This hormone imbalance leads to heightened inflammation and may also increase the pelvic pain of the disease and decrease endometrial receptivity to embryo implantation. This review focuses on the molecular mechanisms governing progesterone and estrogen signaling supporting endometrial function and how they become dysregulated in endometriosis. Understanding how these mechanisms contribute to the pelvic pain and infertility associated with endometriosis will open new avenues of targeted medical therapies to give relief to the millions of women suffering its effects.
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Affiliation(s)
- Ryan M Marquardt
- Department of Obstetrics, Gynecology & Reproductive Biology, Michigan State University, Grand Rapids, MI 49503, USA
- Cell and Molecular Biology Program, Michigan State University, East Lansing, MI 48824, USA
| | - Tae Hoon Kim
- Department of Obstetrics, Gynecology & Reproductive Biology, Michigan State University, Grand Rapids, MI 49503, USA
| | - Jung-Ho Shin
- Division of Reproductive Endocrinology, Department of Obstetrics and Gynecology, Guro Hospital, Korea University Medical Center, Seoul 08318, Korea
| | - Jae-Wook Jeong
- Department of Obstetrics, Gynecology & Reproductive Biology, Michigan State University, Grand Rapids, MI 49503, USA.
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32
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Berneau SC, Ruane PT, Brison DR, Kimber SJ, Westwood M, Aplin JD. Characterisation of Osteopontin in an In Vitro Model of Embryo Implantation. Cells 2019; 8:cells8050432. [PMID: 31075896 PMCID: PMC6562724 DOI: 10.3390/cells8050432] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 05/01/2019] [Accepted: 05/02/2019] [Indexed: 11/23/2022] Open
Abstract
At the onset of pregnancy, embryo implantation is initiated by interactions between the endometrial epithelium and the outer trophectoderm cells of the blastocyst. Osteopontin (OPN) is expressed in the endometrium and is implicated in attachment and signalling roles at the embryo–epithelium interface. We have characterised OPN in the human endometrial epithelial Ishikawa cell line using three different monoclonal antibodies, revealing at least nine distinct molecular weight forms and a novel secretory pathway localisation in the apical domain induced by cell organisation into a confluent epithelial layer. Mouse blastocysts co-cultured with Ishikawa cell layers served to model embryo apposition, attachment and initial invasion at implantation. Exogenous OPN attenuated initial, weak embryo attachment to Ishikawa cells but did not affect the attainment of stable attachment. Notably, exogenous OPN inhibited embryonic invasion of the underlying cell layer, and this corresponded with altered expression of transcription factors associated with differentiation from trophectoderm (Gata2) to invasive trophoblast giant cells (Hand1). These data demonstrate the complexity of endometrial OPN forms and suggest that OPN regulates embryonic invasion at implantation by signalling to the trophectoderm.
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Affiliation(s)
- Stéphane C Berneau
- Maternal and Fetal Health Centre and Division of Developmental Biology and Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Sciences Centre, St Mary's Hospital, Manchester M13 9WL, UK.
| | - Peter T Ruane
- Maternal and Fetal Health Centre and Division of Developmental Biology and Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Sciences Centre, St Mary's Hospital, Manchester M13 9WL, UK.
| | - Daniel R Brison
- Maternal and Fetal Health Centre and Division of Developmental Biology and Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Sciences Centre, St Mary's Hospital, Manchester M13 9WL, UK.
- Department of Reproductive Medicine, Old St Mary's Hospital, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Oxford Road, Manchester M13 9WL, UK.
| | - Susan J Kimber
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Michael Smith Building, Manchester M13 9PT, UK.
| | - Melissa Westwood
- Maternal and Fetal Health Centre and Division of Developmental Biology and Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Sciences Centre, St Mary's Hospital, Manchester M13 9WL, UK.
| | - John D Aplin
- Maternal and Fetal Health Centre and Division of Developmental Biology and Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Sciences Centre, St Mary's Hospital, Manchester M13 9WL, UK.
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Lorenz V, Milesi MM, Schimpf MG, Luque EH, Varayoud J. Epigenetic disruption of estrogen receptor alpha is induced by a glyphosate-based herbicide in the preimplantation uterus of rats. Mol Cell Endocrinol 2019; 480:133-141. [PMID: 30391669 DOI: 10.1016/j.mce.2018.10.022] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 10/29/2018] [Accepted: 10/31/2018] [Indexed: 12/15/2022]
Abstract
Previously, we have shown that perinatal exposure to a glyphosate-based herbicide (GBH) induces implantation failures in rats. Estrogen receptor alpha (ERα) is critical for successful implantation. ERα transcription is under the control of five promoters (E1, OT, O, ON, and OS), which yield different transcripts. Here, we studied whether perinatal exposure to a GBH alters uterine ERα gene expression and prompts epigenetic modifications in its regulatory regions during the preimplantation period. Pregnant rats (F0) were orally treated with 350 mg glyphosate/kg bw/day through food from gestational day (GD) 9 until weaning. F1 females were bred, and uterine samples were collected on GD5 (preimplantation period). ERα mRNA levels and its transcript variants were evaluated by RT-qPCR. Enzyme-specific restriction sites and predicted transcription factors were searched in silico in the ERα promoter regions to assess the methylation status using the methylation-sensitive restriction enzymes-PCR technique. Post-translational modifications of histones were studied by the chromatin immunoprecipitation assay. GBH upregulated the expression of total ERα mRNA by increasing the abundance of the ERα-O transcript variant. In addition, different epigenetic changes were detected in the O promoter. A decrease in DNA methylation was observed in one of the three sites evaluated in the O promoter. Moreover, histone H4 acetylation and histone H3 lysine 9 trimethylation (H3K9me3) were enriched in the O promoter in GBH-exposed rats, whereas H3K27me3 was decreased. All these alterations could account for the increase in ERα gene expression. Our findings show that perinatal exposure to a GBH causes long-term epigenetic disruption of the uterine ERα gene, which could be associated with the GBH-induced implantation failures.
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Affiliation(s)
- Virginia Lorenz
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - María M Milesi
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - Marlise Guerrero Schimpf
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - Enrique H Luque
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - Jorgelina Varayoud
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina.
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Anamthathmakula P, Kyathanahalli C, Ingles J, Hassan SS, Condon JC, Jeyasuria P. Estrogen receptor alpha isoform ERdelta7 in myometrium modulates uterine quiescence during pregnancy. EBioMedicine 2019; 39:520-530. [PMID: 30502052 PMCID: PMC6355643 DOI: 10.1016/j.ebiom.2018.11.038] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 11/04/2018] [Accepted: 11/16/2018] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Circulating estrogen (E2) levels are high throughout pregnancy and increase towards term, however its local tissue specific actions vary across gestation. For example, myometrial E2 regulated uterotonic action is disabled until term, whereas it's proliferative function is maintained in the breast. We have identified gestationally regulated splicing events, mediated by hnRNPG and modulated by E2 that generate alternatively spliced estrogen receptor alpha (ERα) variants (ERΔ7 and ERα46) in the myometrium. These variants allow for differential, gestationally regulated, modulation of the uterotonic action of E2. METHODS Human myometrium isolated from preterm and term non-laboring and laboring pregnant women were analyzed for ERα isoforms and splice factor levels. Lentiviral mediated shRNA knockdown of hnRNPG and overexpression of ERΔ7 were performed in human myometrial (hTERT-HM) cells. Functional 3D collagen contraction assays were executed. FINDINGS ERΔ7 acts as a dominant negative repressor of the uterotonic action of ERα66 and ERα46 isoforms through the regulation of the myometrial gap junction protein GJA1. Elimination of hnRNPG inhibits the generation of ERΔ7 while overexpression of ERΔ7 inhibited GJA1 expression. Moreover in vivo human myometrial hnRNPG levels decline at term in an E2 dependent manner resulting in a withdrawal of ERΔ7 levels and its tocolytic action at term. INTERPRETATION Our findings implicate the unique role of ERΔ7 as a modulator of myometrial quiescence and define the mechanism of ERΔ7 generation, through hormonally regulated splicing events. FUND: This study was supported by NIH OPRU U01 supplement (HD047905), University of Pittsburgh and Wayne State University Perinatal Research Initiative (USA).
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Affiliation(s)
- Prashanth Anamthathmakula
- Department of Obstetrics and Gynecology, Perinatal Initiative, School of Medicine, Wayne State University, Detroit, MI 48201, USA
| | - Chandrashekara Kyathanahalli
- Department of Obstetrics and Gynecology, Perinatal Initiative, School of Medicine, Wayne State University, Detroit, MI 48201, USA
| | - Judith Ingles
- Department of Obstetrics and Gynecology, Perinatal Initiative, School of Medicine, Wayne State University, Detroit, MI 48201, USA
| | - Sonia S Hassan
- Department of Obstetrics and Gynecology, Perinatal Initiative, School of Medicine, Wayne State University, Detroit, MI 48201, USA; Perinatology Research Branch, NICHD, Bethesda, MD 20892, USA
| | - Jennifer C Condon
- Department of Obstetrics and Gynecology, Perinatal Initiative, School of Medicine, Wayne State University, Detroit, MI 48201, USA
| | - Pancharatnam Jeyasuria
- Department of Obstetrics and Gynecology, Perinatal Initiative, School of Medicine, Wayne State University, Detroit, MI 48201, USA.
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35
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Vasquez YM, Wang X, Wetendorf M, Franco HL, Mo Q, Wang T, Lanz RB, Young SL, Lessey BA, Spencer TE, Lydon JP, DeMayo FJ. FOXO1 regulates uterine epithelial integrity and progesterone receptor expression critical for embryo implantation. PLoS Genet 2018; 14:e1007787. [PMID: 30452456 PMCID: PMC6277115 DOI: 10.1371/journal.pgen.1007787] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 12/03/2018] [Accepted: 10/25/2018] [Indexed: 12/11/2022] Open
Abstract
Successful embryo implantation requires a receptive endometrium. Poor uterine receptivity can account for implantation failure in women who experience recurrent pregnancy loss or multiple rounds of unsuccessful in vitro fertilization cycles. Here, we demonstrate that the transcription factor Forkhead Box O1 (FOXO1) is a critical regulator of endometrial receptivity in vivo. Uterine ablation of Foxo1 using the progesterone receptor Cre (PgrCre) mouse model resulted in infertility due to altered epithelial cell polarity and apoptosis, preventing the embryo from penetrating the luminal epithelium. Analysis of the uterine transcriptome after Foxo1 ablation identified alterations in gene expression for transcripts involved in the activation of cell invasion, molecular transport, apoptosis, β-catenin (CTNNB1) signaling pathway, and an increase in PGR signaling. The increase of PGR signaling was due to PGR expression being retained in the uterine epithelium during the window of receptivity. Constitutive expression of epithelial PGR during this receptive period inhibited expression of FOXO1 in the nucleus of the uterine epithelium. The reciprocal expression of PGR and FOXO1 was conserved in human endometrial samples during the proliferative and secretory phase. This demonstrates that expression of FOXO1 and the loss of PGR during the window of receptivity are interrelated and critical for embryo implantation.
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Affiliation(s)
- Yasmin M. Vasquez
- Department of Molecular and Cellular Biology and Center for Reproductive Medicine, Baylor College of Medicine, Houston, TX, United States of America
| | - Xiaoqiu Wang
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States of America
- Department of Animal Science, North Carolina State University, Raleigh, NC, United States of America
| | - Margeaux Wetendorf
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States of America
| | - Heather L. Franco
- Department of Molecular and Cellular Biology and Center for Reproductive Medicine, Baylor College of Medicine, Houston, TX, United States of America
| | - Qianxing Mo
- Department of Medicine and Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX, United States of America
| | - Tianyuan Wang
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States of America
| | - Rainer B. Lanz
- Department of Molecular and Cellular Biology and Center for Reproductive Medicine, Baylor College of Medicine, Houston, TX, United States of America
| | - Steven L. Young
- Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, NC, United States of America
| | - Bruce A. Lessey
- Department of Obstetrics and Gynecology, University of South Carolina School of Medicine, Greenville, SC, United States of America
| | - Thomas E. Spencer
- Division of Animal Science, University of Missouri, Columbia, MO, United States of America
| | - John P. Lydon
- Department of Molecular and Cellular Biology and Center for Reproductive Medicine, Baylor College of Medicine, Houston, TX, United States of America
| | - Francesco J. DeMayo
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States of America
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36
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Konings G, Brentjens L, Delvoux B, Linnanen T, Cornel K, Koskimies P, Bongers M, Kruitwagen R, Xanthoulea S, Romano A. Intracrine Regulation of Estrogen and Other Sex Steroid Levels in Endometrium and Non-gynecological Tissues; Pathology, Physiology, and Drug Discovery. Front Pharmacol 2018; 9:940. [PMID: 30283331 PMCID: PMC6157328 DOI: 10.3389/fphar.2018.00940] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 08/02/2018] [Indexed: 12/20/2022] Open
Abstract
Our understanding of the intracrine (or local) regulation of estrogen and other steroid synthesis and degradation expanded in the last decades, also thanks to recent technological advances in chromatography mass-spectrometry. Estrogen responsive tissues and organs are not passive receivers of the pool of steroids present in the blood but they can actively modify the intra-tissue steroid concentrations. This allows fine-tuning the exposure of responsive tissues and organs to estrogens and other steroids in order to best respond to the physiological needs of each specific organ. Deviations in such intracrine control can lead to unbalanced steroid hormone exposure and disturbances. Through a systematic bibliographic search on the expression of the intracrine enzymes in various tissues, this review gives an up-to-date view of the intracrine estrogen metabolisms, and to a lesser extent that of progestogens and androgens, in the lower female genital tract, including the physiological control of endometrial functions, receptivity, menopausal status and related pathological conditions. An overview of the intracrine regulation in extra gynecological tissues such as the lungs, gastrointestinal tract, brain, colon and bone is given. Current therapeutic approaches aimed at interfering with these metabolisms and future perspectives are discussed.
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Affiliation(s)
- Gonda Konings
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Linda Brentjens
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Bert Delvoux
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
| | | | - Karlijn Cornel
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
| | | | - Marlies Bongers
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Roy Kruitwagen
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Sofia Xanthoulea
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Andrea Romano
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
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Petousis S, Prapas Y, Margioula-Siarkou C, Ravanos K, Milias S, Mavromatidis G, Kalogiannidis I, Haitoglou C, Athanasiadis A, Prapas N, Rousso D. Unexplained infertility patients present the mostly impaired levels of progesterone receptors: Prospective observational study. Am J Reprod Immunol 2018; 79:e12828. [PMID: 29450939 DOI: 10.1111/aji.12828] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Accepted: 01/25/2018] [Indexed: 12/11/2022] Open
Abstract
PROBLEM Τo assess the endometrial expression of progesterone receptors in various subgroups of infertile women during implantation window. ΜETHODS: A prospective observational study was performed during March 2013-February 2017. Infertile women were categorized to those with tubal factor, ovarian failure, endometriosis or unexplained infertility. Endometrial biopsy was obtained on 7th-8th postovulatory day. Total progesterone receptors' PR(A + B) and type-B receptors' (PR-B) expression were compared between all categories of infertile and fruitful controls. RESULTS There were overall 30 patients with tubal factor infertility (group 1), 30 with ovarian failure (group 2), 20 with endometriosis (group 3) and 20 with unexplained infertility (group 4). The control group consisted of 30 fertile patients. Patients with unexplained infertility presented the lowest levels of epithelial endometrial expression both regarding PR(A + B) and PR-B receptors. PgR(A + B) h-score in luminal epithelial cells was 106.4 ± 14.7 for cases with unexplained infertility vs 219.7 ± 15.8 for controls (P < .001). Similarly, PgR(A + B) h-score in glandular epithelial cells was 109.7 ± 13.9 vs 220.1 ± 17.2 (P < .001). Relative remarks were made for type-B progesterone receptors. CONCLUSION Εndometrial expression of progesterone receptors is impaired in women with unexplained infertility. Therapeutic strategies targeting on improving progesterone receptors' expression may significantly affect final reproductive outcome.
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Affiliation(s)
- Stamatios Petousis
- 3rd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki, Greece.,Infertility Treatment Center, IAKENTRO, Thessaloniki, Greece
| | - Yannis Prapas
- 3rd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki, Greece.,Infertility Treatment Center, IAKENTRO, Thessaloniki, Greece
| | - Chrysoula Margioula-Siarkou
- 3rd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki, Greece.,Infertility Treatment Center, IAKENTRO, Thessaloniki, Greece
| | | | - Stefanos Milias
- Pathology Division, 424 General Army Hospital, Thessaloniki, Greece
| | - George Mavromatidis
- 3rd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Ioannis Kalogiannidis
- 3rd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Costas Haitoglou
- Laboratory of Biological Chemistry, Medical School, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Apostolos Athanasiadis
- 3rd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Nikolaos Prapas
- 3rd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki, Greece.,Infertility Treatment Center, IAKENTRO, Thessaloniki, Greece
| | - David Rousso
- 3rd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Teasley HE, Chang HJ, Kim TH, Ku BJ, Jeong JW. Expression of PIK3IP1 in the murine uterus during early pregnancy. Biochem Biophys Res Commun 2018; 495:2553-2558. [PMID: 29289536 DOI: 10.1016/j.bbrc.2017.12.154] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2017] [Accepted: 12/26/2017] [Indexed: 11/28/2022]
Abstract
The ovarian steroid hormones, estrogen (E2) and progesterone (P4), are essential regulators of uterine functions necessary for development, embryo implantation, and normal pregnancy. ARID1A plays an important role in steroid hormone signaling in endometrial function and pregnancy. In previous studies, using high density DNA microarray analysis, we identified phosphatidylinositol-3-kinase interacting protein 1 (Pik3ip1) as one of the genes up-regulated by ARID1A. In the present study, we performed real-time qPCR and immunohistochemistry analysis to investigate the regulation of PIK3IP1 by ARID1A and determine expression patterns of PIK3IP1 in the uterus during early pregnancy. The expression of PIK3IP1 was strong at the uterine epithelial and stromal cells of the control mice. However, expression of PIK3IP1 was remarkably reduced in the Pgrcre/+Arid1af/f mice and progesterone receptor knock-out (PRKO) mice. During early pregnancy, PIK3IP1 expression was strong at day 2.5 of gestation (GD 2.5) and then slightly decreased at GD 3.5 at the epithelium and stroma. After implantation, PIK3IP1 expression was detected at the secondary decidualization zone. To determine the ovarian steroid hormone regulation of PIK3IP1, we examined the expression of PIK3IP1 in ovariectomized control, Pgrcre/+Arid1af/f, and PRKO mice treated with P4 or E2. P4 treatment increased the PIK3IP1 expression at the luminal and glandular epithelium of control mice. However, the PIK3IP1 induction was decreased in both the Pgrcre/+Arid1af/f and PRKO mice, compared to controls. Our results identified PIK3IP1 as a novel target of ARID1A and PGR in the murine uterus.
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Affiliation(s)
- Hanna E Teasley
- Department of Obstetrics, Gynecology & Reproductive Biology, Michigan State University, College of Human Medicine, Grand Rapids, MI 49503, USA; Department of Biology, Kalamazoo College, Kalamazoo, MI, USA
| | - Hye Jin Chang
- Department of Obstetrics, Gynecology & Reproductive Biology, Michigan State University, College of Human Medicine, Grand Rapids, MI 49503, USA; Health Promotion Center, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Tae Hoon Kim
- Department of Obstetrics, Gynecology & Reproductive Biology, Michigan State University, College of Human Medicine, Grand Rapids, MI 49503, USA
| | - Bon Jeong Ku
- Department of Internal Medicine, Chungnam National University College of Medicine, Daejeon, Republic of Korea.
| | - Jae-Wook Jeong
- Department of Obstetrics, Gynecology & Reproductive Biology, Michigan State University, College of Human Medicine, Grand Rapids, MI 49503, USA.
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Kuokkanen S, Zhu L, Pollard JW. Xenografted tissue models for the study of human endometrial biology. Differentiation 2017; 98:62-69. [PMID: 29156254 DOI: 10.1016/j.diff.2017.11.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Revised: 11/06/2017] [Accepted: 11/09/2017] [Indexed: 01/10/2023]
Abstract
The human endometrium undergoes extensive morphological, biochemical and molecular changes under the influence of female sex steroid hormones. Besides the fact that estrogen stimulates endometrial cell proliferation and progesterone inhibits this proliferation and induces differentiation, there is limited knowledge about precise molecular mechanisms underlying human endometrial biology. The importance of paracrine signaling in endometrial physiology explains why in vitro culture of endometrial cells has been challenging. Researchers, therefore, have developed alternative experimental in vivo models for the study of endometrial biology. The objective of this review is to summarize the recent developments and work on these in vivo endometrial research models. The in vivo recombinant tissue models in which wild-type endometrial cells are combined with endometrial cells from a gene-targeted mouse strain followed by xenografting to host mice have been critical in confirming the significance of paracrine signaling between the epithelium and stroma in the growth regulation of the endometrium. Additionally, these studies have uncovered differences between the mouse and human, emphasizing the need for the development of experimental models specifically of the human endometrium. Recently, xenotransplants of human endometrial fragments into the subcutaneous space of host mice and endometrial xenografts of dissociated and recombined epithelial and stromal cells beneath the kidney capsule of immunodeficient host mice have proven to be highly promising tools for in vivo research of endometrial functions. For the first time, the latter approach provides an immense opportunity for the application of genome engineering, such as targeted ablation of endometrial genes for example by using CRISPR/CAS9 system. This research will begin to elucidate the functional role of specific genes in this complex tissue. Another advantage of xenotransplantation and xenograft models of the human endometrium is their use to investigate endometrial effects of new compounds and drugs without needing to give them to women. Underpinning the molecular mechanisms underlying endometrial functions is critical to ultimately advance our understanding of endometrial pathophysiology and develop targeted therapies to prevent and cure endometrial pathologies as well as enhance endometrial function when it is desired for fertility.
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Affiliation(s)
- Satu Kuokkanen
- Department of Obstetrics and Gynecology&Women's Health, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, United States
| | - Liyin Zhu
- Department of Obstetrics and Gynecology&Women's Health, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, United States; Department of Developmental&Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Jeffrey W Pollard
- Department of Obstetrics and Gynecology&Women's Health, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, United States; Department of Developmental&Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, United States; MRC Centre for Reproductive Health, University of Edinburgh, UK.
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40
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Abstract
At implantation, with the acquisition of a receptive phenotype in the uterine epithelium, an initial tenuous attachment of embryonic trophectoderm initiates reorganisation of epithelial polarity to enable stable embryo attachment and the differentiation of invasive trophoblasts. In this Cell Science at a Glance article, we describe cellular and molecular events during the epithelial phase of implantation in rodent, drawing on morphological studies both in vivo and in vitro, and genetic models. Evidence is emerging for a repertoire of transcription factors downstream of the master steroidal regulators estrogen and progesterone that coordinate alterations in epithelial polarity, delivery of signals to the stroma and epithelial cell death or displacement. We discuss what is known of the cell interactions that occur during implantation, before considering specific adhesion molecules. We compare the rodent data with our much more limited knowledge of the human system, where direct mechanistic evidence is hard to obtain. In the accompanying poster, we represent the embryo-epithelium interactions in humans and laboratory rodents, highlighting similarities and differences, as well as depict some of the key cell biological events that enable interstitial implantation to occur.
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Affiliation(s)
- John D Aplin
- Maternal and Fetal Health Research Group, Manchester Academic Health Sciences Centre, St Mary's Hospital, University of Manchester, Manchester M13 9WL, UK
| | - Peter T Ruane
- Maternal and Fetal Health Research Group, Manchester Academic Health Sciences Centre, St Mary's Hospital, University of Manchester, Manchester M13 9WL, UK
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Wang X, Wu SP, DeMayo FJ. Hormone dependent uterine epithelial-stromal communication for pregnancy support. Placenta 2017; 60 Suppl 1:S20-S26. [PMID: 28716426 DOI: 10.1016/j.placenta.2017.07.003] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 06/28/2017] [Accepted: 07/04/2017] [Indexed: 12/16/2022]
Abstract
Human fertility is a relatively inefficient process. Despite the presence of visibly healthy embryos, 30% of pregnancies generated by assisted reproductive technology (ART) fail before the second trimester. The uterine microenvironment plays a critical role in establishing and maintaining a successful pregnancy that requires coordinated communication between the epithelial and stromal cells of the endometrium. The epithelial cells must cease proliferation and become permissive for the conceptus (embryo and associated extraembryonic membranes), while the stromal cells undergoes mesenchymal-to-epithelioid transformation to form the decidua in support of subsequent embryo development. The ovarian steroids Estrogen (E2) and Progesterone (P4) are the major hormones governing these processes. These hormones act via their nuclear receptors, the estrogen receptor, ESR1, and progesterone receptor, PGR, to direct the transcription of genes that orchestrate epithelial and stromal cell communication. This review will discuss the molecular mechanisms utilized by steroid hormones that regulate uterine receptivity, as well, establish and maintain pregnancy.
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Affiliation(s)
- Xiaoqiu Wang
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, National Institute of Health, Research Triangle Park, NC 27709, United States
| | - San-Pin Wu
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, National Institute of Health, Research Triangle Park, NC 27709, United States
| | - Francesco J DeMayo
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, National Institute of Health, Research Triangle Park, NC 27709, United States.
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Kumar R, Yadav A, Pakrasi PL. Expression of ER-α and ER-β during peri-implantation period in uterus is essential for implantation and decidualization in golden hamster. Life Sci 2016; 170:115-122. [PMID: 27939940 DOI: 10.1016/j.lfs.2016.12.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 11/23/2016] [Accepted: 12/03/2016] [Indexed: 12/19/2022]
Abstract
AIMS The role of estrogen in embryo implantation in golden hamster (Mesocricetus auratus) is still ambiguous. In order to clarify it, we investigated the spatial distribution and expression of estrogen receptors, ER-α and ER-β in the uterus of pregnant hamster during peri-implantation period and identified the effect of estrogen receptor antagonist ICI-182,780 on the embryo implantation. MAIN METHODS We performed in vivo experiments on early pregnant hamsters involving treatment with ICI-182,780, an estrogen receptor antagonist. Immunohistochemistry, western blot analysis and quantitative PCR were employed to evaluate the spatio-temporal distribution and expression of ER-α and ER-β in the uterus of normal early pregnant and treated hamsters. KEY FINDINGS Results showed that embryo implantation was completely absent in ICI-182,780 treated uterine horn while, normal implantation occurred in control and vehicle treated horns. Both the receptors were differentially expressed in the uterus of hamster from day 1 (D1) to day7 (D7). In contrast, treated horns without any implantation site showed no trace of any receptors. Protein and mRNA expression of both the receptors were high around the day of implantation while, ER-β expression was up-regulated on D7 of embryo implantation. P value˂0.05 is considered significant. SIGNIFICANCE Spatio-temporal expression of ERs in the uterus during peri-implantation period have crucial role for endometrium receptivity and implantation in hamster. Recurrent implantation failure is the devastating problem among the desirable couple and is mainly due to defect in endometrium receptivity. This study may provide a new insight to manage the problem of idiopathic infertility.
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Affiliation(s)
- Randhir Kumar
- Embryo Physiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi 221005, India.
| | - Akhilesh Yadav
- Indian Institute of Vegetable Research (IIVR), Varanasi, India.
| | - P L Pakrasi
- Embryo Physiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi 221005, India.
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McCallum ML, Pru CA, Niikura Y, Yee SP, Lydon JP, Peluso JJ, Pru JK. Conditional Ablation of Progesterone Receptor Membrane Component 1 Results in Subfertility in the Female and Development of Endometrial Cysts. Endocrinology 2016; 157:3309-19. [PMID: 27309940 PMCID: PMC5007897 DOI: 10.1210/en.2016-1081] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Progesterone (P4) is essential for female fertility. The objective of this study was to evaluate the functional requirement of the nonclassical P4 receptor (PGR), PGR membrane component 1, in regulating female fertility. To achieve this goal, the Pgrmc1 gene was floxed by insertion of loxP sites on each side of exon 2. Pgrmc1 floxed (Pgrmc1(fl/fl)) mice were crossed with Pgr(cre) or Amhr2(cre) mice to delete Pgrmc1 (Pgrmc1(d/d)) from the female reproductive tract. A 6-month breeding trial revealed that conditional ablation of Pgrmc1 with Pgr(cre/+) mice resulted in a 40% reduction (P = .0002) in the number of pups/litter. Neither the capacity to ovulate in response to gonadotropin treatment nor the expression of PGR and the estrogen receptor was altered in the uteri of Pgrmc1(d/d) mice compared with Pgrmc1(fl/fl) control mice. Although conditional ablation of Pgrmc1 from mesenchymal tissue using Amhr2(cre/+) mice did not reduce the number of pups/litter, the total number of litters born in the 6-month breeding trial was significantly decreased (P = .041). In addition to subfertility, conditional ablation of Pgrmc1 using either Amhr2(cre/+) or Pgr(cre/+) mice resulted in the development of endometrial cysts starting around 4 months of age. Interestingly, pregnancy attenuated the formation of these uterine cysts. These new findings demonstrate that PGR membrane component 1 plays an important role in female fertility and uterine tissue homeostasis.
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Affiliation(s)
- Melissa L McCallum
- Department of Animal Sciences (M.L.M., C.A.P., Y.N., J.K.P.), Center for Reproductive Biology, Washington State University, Pullman, Washington 99164; Departments of Cell Biology and Obstetrics and Gynecology (S.P.Y., J.J.P.), University of Connecticut Health Center, Farmington, Connecticut 06030; and Department of Molecular and Cellular Biology (J.P.L.), Baylor College of Medicine, Houston, Texas 77030
| | - Cindy A Pru
- Department of Animal Sciences (M.L.M., C.A.P., Y.N., J.K.P.), Center for Reproductive Biology, Washington State University, Pullman, Washington 99164; Departments of Cell Biology and Obstetrics and Gynecology (S.P.Y., J.J.P.), University of Connecticut Health Center, Farmington, Connecticut 06030; and Department of Molecular and Cellular Biology (J.P.L.), Baylor College of Medicine, Houston, Texas 77030
| | - Yuichi Niikura
- Department of Animal Sciences (M.L.M., C.A.P., Y.N., J.K.P.), Center for Reproductive Biology, Washington State University, Pullman, Washington 99164; Departments of Cell Biology and Obstetrics and Gynecology (S.P.Y., J.J.P.), University of Connecticut Health Center, Farmington, Connecticut 06030; and Department of Molecular and Cellular Biology (J.P.L.), Baylor College of Medicine, Houston, Texas 77030
| | - Siu-Pok Yee
- Department of Animal Sciences (M.L.M., C.A.P., Y.N., J.K.P.), Center for Reproductive Biology, Washington State University, Pullman, Washington 99164; Departments of Cell Biology and Obstetrics and Gynecology (S.P.Y., J.J.P.), University of Connecticut Health Center, Farmington, Connecticut 06030; and Department of Molecular and Cellular Biology (J.P.L.), Baylor College of Medicine, Houston, Texas 77030
| | - John P Lydon
- Department of Animal Sciences (M.L.M., C.A.P., Y.N., J.K.P.), Center for Reproductive Biology, Washington State University, Pullman, Washington 99164; Departments of Cell Biology and Obstetrics and Gynecology (S.P.Y., J.J.P.), University of Connecticut Health Center, Farmington, Connecticut 06030; and Department of Molecular and Cellular Biology (J.P.L.), Baylor College of Medicine, Houston, Texas 77030
| | - John J Peluso
- Department of Animal Sciences (M.L.M., C.A.P., Y.N., J.K.P.), Center for Reproductive Biology, Washington State University, Pullman, Washington 99164; Departments of Cell Biology and Obstetrics and Gynecology (S.P.Y., J.J.P.), University of Connecticut Health Center, Farmington, Connecticut 06030; and Department of Molecular and Cellular Biology (J.P.L.), Baylor College of Medicine, Houston, Texas 77030
| | - James K Pru
- Department of Animal Sciences (M.L.M., C.A.P., Y.N., J.K.P.), Center for Reproductive Biology, Washington State University, Pullman, Washington 99164; Departments of Cell Biology and Obstetrics and Gynecology (S.P.Y., J.J.P.), University of Connecticut Health Center, Farmington, Connecticut 06030; and Department of Molecular and Cellular Biology (J.P.L.), Baylor College of Medicine, Houston, Texas 77030
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Li Q, Davila J, Bagchi MK, Bagchi IC. Chronic exposure to bisphenol a impairs progesterone receptor-mediated signaling in the uterus during early pregnancy. ACTA ACUST UNITED AC 2016; 3. [PMID: 28239613 PMCID: PMC5321573 DOI: 10.14800/rci.1369] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Environmental and occupational exposure to endocrine disrupting chemicals (EDCs) is a major threat to female reproductive health. Bisphenol A (BPA), an environmental toxicant that is commonly found in polycarbonate plastics and epoxy resins, has received much attention due to its estrogenic activity and high risk of chronic exposure in human. Whereas BPA has been linked to infertility and recurrent miscarriage in women, the impact of its exposure on uterine function during early pregnancy remains unclear. In a recent publication in Endocrinology, we demonstrated that prolonged exposure to an environmental relevant dose of BPA disrupts progesterone receptor-regulated uterine functions, thus affecting uterine receptivity for embryo implantation and decidua morphogenesis, two critical events for establishment and maintenance of early pregnancy. In particular we reported a marked impairment of progesterone receptor (PGR) expression and its downstream effector HAND2 in the uterine stromal cells in response to chronic BPA exposure. In an earlier study we have shown that HAND2 controls embryo implantation by repressing fibroblast growth factor (FGF) expression and the MAP kinase signaling pathway, thus inhibiting epithelial proliferation. Interestingly we observed that downregulation of PGR and HAND2 expression in uterine stroma upon BPA exposure was associated with an enhanced activation of FGFR and MAPK signaling, aberrant proliferation, and lack of uterine receptivity in the epithelium. In addition, the proliferation and differentiation of endometrial stromal cells to decidual cells, an event critical for the maintenance of early pregnancy, was severely compromised in response to BPA. This research highlight will provide an overview of our findings and discuss the potential mechanisms by which chronic BPA impairs PGR-HAND2 pathway and adversely affects implantation and the establishment of pregnancy.
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Affiliation(s)
- Quanxi Li
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802, USA
| | - Juanmahel Davila
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802, USA
| | - Milan K Bagchi
- Departments of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802, USA
| | - Indrani C Bagchi
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois 61802, USA
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Integrative Analyses of Uterine Transcriptome and MicroRNAome Reveal Compromised LIF-STAT3 Signaling and Progesterone Response in the Endometrium of Patients with Recurrent/Repeated Implantation Failure (RIF). PLoS One 2016; 11:e0157696. [PMID: 27304912 PMCID: PMC4909214 DOI: 10.1371/journal.pone.0157696] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Accepted: 06/02/2016] [Indexed: 12/23/2022] Open
Abstract
Intimate two-way interactions between the implantation-competent blastocyst and receptive uterus are prerequisite for successful embryo implantation. In humans, recurrent/repeated implantation failure (RIF) may occur due to altered uterine receptivity with aberrant gene expression in the endometrium as well as genetic defects in embryos. Several studies have been performed to understand dynamic changes of uterine transcriptome during menstrual cycles in humans. However, uterine transcriptome of the patients with RIF has not been clearly investigated yet. Here we show that several signaling pathways as well as many genes and microRNAs are dysregulated in the endometrium of patients with RIF (RIFE). Whereas unsupervised hierarchical clustering showed that overall mRNA and microRNA profiles of RIFE were similar to those of endometria of healthy women, many genes were significantly dysregulated in RIFE (cut off at 1.5 fold change). The majority (~75%) of differentially expressed genes in RIFE including S100 calcium binding protein P (S100P), Chemokine (C-X-C motif) ligand 13 (CXCL13) and SIX homeobox 1 (SIX1) were down-regulated, suggesting that reduced uterine expression of these genes is associated with RIF. Gene Set Enrichment analyses (GSEA) for mRNA microarrays revealed that various signaling pathways including Leukemia inhibitory factor (LIF) signaling and a P4 response were dysregulated in RIFE although expression levels of Estrogen receptor α (ERα) and Progesterone receptor (PR) were not significantly altered in RIFE. Furthermore, expression and phosphorylation of Signal transducer and activator of transcription 3 (STAT3) are reduced and a gene set associated with Janus kinase (JAK)-STAT signaling pathway is systemically down-regulated in these patients. Pairwise analyses of microRNA arrays with prediction of dysregulated microRNAs based on mRNA expression datasets demonstrated that 6 microRNAs are aberrantly regulated in RIFE. Collectively, we here suggest that dysregulation of several major signaling pathways and genes critical for uterine biology and embryo implantation may lead to uterine abnormalities in patients with RIF.
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46
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Li Q, Davila J, Kannan A, Flaws JA, Bagchi MK, Bagchi IC. Chronic Exposure to Bisphenol A Affects Uterine Function During Early Pregnancy in Mice. Endocrinology 2016; 157:1764-74. [PMID: 27022677 PMCID: PMC4870880 DOI: 10.1210/en.2015-2031] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Environmental and occupational exposure to bisphenol A (BPA), a chemical widely used in polycarbonate plastics and epoxy resins, has received much attention in female reproductive health due to its widespread toxic effects. Although BPA has been linked to infertility and recurrent miscarriage in women, the impact of its exposure on uterine function during early pregnancy remains unclear. In this study, we addressed the effect of prolonged exposure to an environmental relevant dose of BPA on embryo implantation and establishment of pregnancy. Our studies revealed that treatment of mice with BPA led to improper endometrial epithelial and stromal functions thus affecting embryo implantation and establishment of pregnancy. Upon further analyses, we found that the expression of progesterone receptor (PGR) and its downstream target gene, HAND2 (heart and neural crest derivatives expressed 2), was markedly suppressed in BPA-exposed uterine tissues. Previous studies have shown that HAND2 controls embryo implantation by repressing fibroblast growth factor and the MAPK signaling pathways and inhibiting epithelial proliferation. Interestingly, we observed that down-regulation of PGR and HAND2 expression in uterine stroma upon BPA exposure was associated with enhanced activation of fibroblast growth factor and MAPK signaling in the epithelium, thus contributing to aberrant proliferation and lack of uterine receptivity. Further, the differentiation of endometrial stromal cells to decidual cells, an event critical for the establishment and maintenance of pregnancy, was severely compromised in response to BPA. In summary, our studies revealed that chronic exposure to BPA impairs PGR-HAND2 pathway and adversely affects implantation and the establishment of pregnancy.
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Affiliation(s)
- Quanxi Li
- Department of Comparative Biosciences (Q.L., J.D., A.K., J.A.F., I.C.B.) and Molecular and Integrative Physiology (M.K.B.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61802
| | - Juanmahel Davila
- Department of Comparative Biosciences (Q.L., J.D., A.K., J.A.F., I.C.B.) and Molecular and Integrative Physiology (M.K.B.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61802
| | - Athilakshmi Kannan
- Department of Comparative Biosciences (Q.L., J.D., A.K., J.A.F., I.C.B.) and Molecular and Integrative Physiology (M.K.B.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61802
| | - Jodi A Flaws
- Department of Comparative Biosciences (Q.L., J.D., A.K., J.A.F., I.C.B.) and Molecular and Integrative Physiology (M.K.B.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61802
| | - Milan K Bagchi
- Department of Comparative Biosciences (Q.L., J.D., A.K., J.A.F., I.C.B.) and Molecular and Integrative Physiology (M.K.B.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61802
| | - Indrani C Bagchi
- Department of Comparative Biosciences (Q.L., J.D., A.K., J.A.F., I.C.B.) and Molecular and Integrative Physiology (M.K.B.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61802
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47
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Vasquez YM, Wu SP, Anderson ML, Hawkins SM, Creighton CJ, Ray M, Tsai SY, Tsai MJ, Lydon JP, DeMayo FJ. Endometrial Expression of Steroidogenic Factor 1 Promotes Cystic Glandular Morphogenesis. Mol Endocrinol 2016; 30:518-32. [PMID: 27018534 DOI: 10.1210/me.2015-1215] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Epigenetic silencing of steroidogenic factor 1 (SF1) is lost in endometriosis, potentially contributing to de novo local steroidogenesis favoring inflammation and growth of ectopic endometrial tissue. In this study, we examine the impact of SF1 expression in the eutopic uterus by a novel mouse model that conditionally expresses SF1 in endometrium. In vivo SF1 expression promoted the development of enlarged endometrial glands and attenuated estrogen and progesterone responsiveness. Endometriosis induction by autotransplantation of uterine tissue to the mesenteric membrane resulted in the increase in size of ectopic lesions from SF1-expressing mice. By integrating the SF1-dependent transcriptome with the whole genome binding profile of SF1, we identified uterine-specific SF1-regulated genes involved in Wingless and Progesterone receptor-Hedgehog-Chicken ovalbumin upstream promoter transcription factor II signaling for gland development and epithelium-stroma interaction, respectively. The present results indicate that SF1 directly contributes to the abnormal uterine gland morphogenesis, an inhibition of steroid hormone signaling and activation of an immune response, in addition to previously postulated estrogen production.
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Affiliation(s)
- Yasmin M Vasquez
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - San-Pin Wu
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - Matthew L Anderson
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - Shannon M Hawkins
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - Chad J Creighton
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - Madhumita Ray
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - Sophia Y Tsai
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - Ming-Jer Tsai
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - John P Lydon
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - Francesco J DeMayo
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
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48
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Petousis S, Prapas Y, Margioula-Siarkou C, Milias S, Ravanos K, Kalogiannidis I, Haitoglou C, Prapas N, Rousso D. Expression of progesterone receptors is significantly impaired in the endometrium of infertile women during the implantation window: a prospective observational study. J Matern Fetal Neonatal Med 2016; 29:3912-9. [PMID: 26940759 DOI: 10.3109/14767058.2016.1152244] [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] [Indexed: 11/13/2022]
Abstract
OBJECTIVE To compare the expression of progesterone receptors (A + B) and type-B progesterone receptors in the epithelial and stromal cells of fertile and infertile women. METHODS Women were divided into two groups, the group of fertile controls (group 1) and the group of infertile women (group 2) and were set on regular ultrasound imaging in order to detect ovulation. An endometrial biopsy was obtained on the seventh or eighth post-ovulatory day. Immunohistochemistry was performed to measure percentage of positive nuclei, intensity of staining and h-score for progesterone receptors (PgR) (A + B) as well as type-B progesterone receptors in epithelial and stromal cells. Secondary outcomes included endometrial tissue dating, the rate of tissues being out-of-phase and endometrial thickness. RESULTS Endometrial issue was obtained from 15 fertile and 30 infertile women. Expression of PgR (A + B) and PgR type-B was significantly lower in the epithelial cells of infertile women. PgR (A + B) h-score was 220.0 ± 18.5 for fertile versus 147.3 ± 18.0 for infertile women (p = 0.02). PgR type-B h-score in epithelial cells was 166.8 ± 30.7 for fertile versus 90.8 ± 20.6 for infertile (p = 0.04). No significant difference was observed in stromal cells. CONCLUSIONS Expression levels of PgR (A + B) as well as type-B receptors are significantly lower in the epithelial cells of infertile women during implantation window.
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Affiliation(s)
- Stamatios Petousis
- a 3rd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki , Greece .,b IAKENTRO, Infertility Treatment Center , Thessaloniki , Greece
| | - Yannis Prapas
- a 3rd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki , Greece .,b IAKENTRO, Infertility Treatment Center , Thessaloniki , Greece
| | - Chrysoula Margioula-Siarkou
- a 3rd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki , Greece .,b IAKENTRO, Infertility Treatment Center , Thessaloniki , Greece
| | - Stefanos Milias
- c Department of Pathology , 424 General Army Hospital , Thessaloniki , Greece , and
| | | | - Ioannis Kalogiannidis
- a 3rd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki , Greece .,b IAKENTRO, Infertility Treatment Center , Thessaloniki , Greece
| | | | - Nikolaos Prapas
- a 3rd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki , Greece .,b IAKENTRO, Infertility Treatment Center , Thessaloniki , Greece
| | - David Rousso
- a 3rd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki , Greece .,b IAKENTRO, Infertility Treatment Center , Thessaloniki , Greece
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Antsiferova YS, Sotnikova NY. Apoptosis and endometrial receptivity: Relationship with in vitro fertilization treatment outcome. World J Obstet Gynecol 2016; 5:87-96. [DOI: 10.5317/wjog.v5.i1.87] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2015] [Revised: 09/28/2015] [Accepted: 12/02/2015] [Indexed: 02/05/2023] Open
Abstract
Apoptosis is an important process in the reconstruction of endometrium within the menstrual cycle. The balance between cell proliferation and apoptosis regulates the periodic repair and shedding of endometrial cells and leads to the menstruation or prepare the mucosal layer of endometrium for the implantation of the embryo. Many factors with pro- and antiapoptotic action, such as B cell lymphoma/leukemia-2 and inhibitors apoptosis proteins families, caspases, tumor necrosis factor receptors, phosphatase and tensin homolog, proliferator-activated receptor gamma, microRNAs and others are differently expressed in the endometrial tissue at phases of menstrual cycle. Receptivity of the endometrium at the period of “window of implantation” is associated with the significant increase of apoptosis in endometrium to allow the embryo to be successfully implanted. The impairment of apoptosis regulation in the endometrium at this period often is observed in infertile women with endometriosis, tubal factor, polycystic ovary syndrome, etc.. In many cases the impairment of apoptosis regulation in the endometrium is the main cause of in vitro fertilization (IVF) treatment failure in these patients. As of today, the exact mechanisms and factors mediating the apoptotic process in normal endometrium and in infertile women are not fully understood. Herein, the literature data concerning the endometrial apoptosis regulation in general, and in light of the influence of apoptosis upon IVF treatment outcome are reviewed. The possibility to use some parameters of endometrial apoptosis for prediction of the successful pregnancy achievement in women participating in IVF protocols also is discussed.
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Aberrant activation of canonical Notch1 signaling in the mouse uterus decreases progesterone receptor by hypermethylation and leads to infertility. Proc Natl Acad Sci U S A 2016; 113:2300-5. [PMID: 26858409 DOI: 10.1073/pnas.1520441113] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
In mammalian reproduction, implantation is one of the most critical events. Failure of implantation and the subsequent decidualization contribute to more than 75% of pregnancy losses in women. Our laboratory has previously reported that inhibition of Notch signaling results in impaired decidualization in both women and a transgenic mouse model. In this study, we generated a Notch gain-of-function transgenic mouse by conditionally overexpressing the Notch1 intracellular domain (N1ICD) in the reproductive tract driven by a progesterone receptor (Pgr) -Cre. We show that the overexpression of N1ICD in the uterus results in complete infertility as a consequence of multiple developmental and physiological defects, including the absence of uterine glands and dysregulation of progesterone and estrogen signaling by a Recombination Signal Binding Protein Jκ-dependent signaling mechanism. We further show that the inhibition of progesterone signaling is caused by hypermethylation of its receptor Pgr by Notch1 overexpression through the transcription factor PU.1 and DNA methyltransferase 3b (Dnmt3b). We have generated a mouse model to study the consequence of increased Notch signaling in female reproduction and provide the first evidence, to our knowledge, that Notch signaling can regulate epigenetic modification of the Pgr.
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