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Goto S, Ozaki Y, Mori R, Ozawa F, Obayashi Y, Kitaori T, Sugiura-Ogasawara M. MMP2 and MMP9 are associated with the pathogenesis of recurrent pregnancy loss through protein expression rather than genetic polymorphism. J Reprod Immunol 2024; 164:104270. [PMID: 38878627 DOI: 10.1016/j.jri.2024.104270] [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: 09/26/2023] [Revised: 11/30/2023] [Accepted: 05/24/2024] [Indexed: 07/26/2024]
Abstract
Matrix metalloproteinases (MMPs) degrade extracellular matrix proteins and are important for placenta formation during early pregnancy. Recurrent pregnancy loss (RPL) is associated with abnormalities in endometrial extracellular matrix remodeling. This study aimed to elucidate the roles of MMP2 and MMP9 in RPL pathogenesis. In total, 295 women with a history of RPL and 101 controls were included in this genetic study. Genotype analysis was performed using polymerase chain reaction (PCR) restriction fragment length polymorphisms. For proteolytic analysis, decidua and villi were collected from 10 RPL-miscarried women with normal fetal chromosomes (NC) and 19 women with fetal chromosome aberrations (AC). The expression of MMP2 and MMP9 in the decidua and villi was measured by IHC and ELISA. All samples were collected after obtaining informed consent. There were no statistically significant differences in MMP2-735 C/T and MMP9-1562 C/T frequencies between women with RPL and the controls. There was no significant difference in MMP2 expression levels in the villi; however, MMP9 expression was significantly higher in normal fetal chromosomes. In the decidua, the expression of MMP2 in the NC group was significantly lower, and MMP9 in the NC group was significantly higher than in the AC group. Although no differences in MMP2-735 C/T and MMP9-1562 C/T gene polymorphisms were observed in the present study, it is suggested that differences at the protein level are involved in the pathogenesis of RPL since MMP expression is not only regulated by genes but also by local inflammation and various inductive signals.
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Affiliation(s)
- Shinobu Goto
- Department of Obstetrics and Gynecology, Nagoya City University, Graduate School of Medical Sciences, One Kawasumi, Mizuho-ku, Aichi, Nagoya 467-8601, Japan.
| | - Yasuhiko Ozaki
- Department of Obstetrics and Gynecology, Nagoya City University, Graduate School of Medical Sciences, One Kawasumi, Mizuho-ku, Aichi, Nagoya 467-8601, Japan; Department of Obstetrics and Gynecology, Nagoya City University West Medical Center, 1-1-1 Hirate-cho, Kita-ku, Aichi, Nagoya 462-8508, Japan
| | - Ryosuke Mori
- Department of Obstetrics and Gynecology, Nagoya City University, Graduate School of Medical Sciences, One Kawasumi, Mizuho-ku, Aichi, Nagoya 467-8601, Japan; Department of Obstetrics and Gynecology, Toyokawa City Hospital, 23 Yawata-cho Noji, Aichi, Toyokawa City 442-8561, Japan
| | - Fumiko Ozawa
- Department of Obstetrics and Gynecology, Nagoya City University, Graduate School of Medical Sciences, One Kawasumi, Mizuho-ku, Aichi, Nagoya 467-8601, Japan
| | - Yuki Obayashi
- Obayashi Maternity Clinic, 50 Shikata Michishita, Aichi, Kitanagoya City 481-0004, Japan
| | - Tamao Kitaori
- Department of Obstetrics and Gynecology, Nagoya City University, Graduate School of Medical Sciences, One Kawasumi, Mizuho-ku, Aichi, Nagoya 467-8601, Japan
| | - Mayumi Sugiura-Ogasawara
- Department of Obstetrics and Gynecology, Nagoya City University, Graduate School of Medical Sciences, One Kawasumi, Mizuho-ku, Aichi, Nagoya 467-8601, Japan
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2
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Sousa LG, Alves P, Teixeira N, Correia-da-Silva G, Fonseca BM. Alterations in the pro-resolving lipid mediator machinery within first trimester maternal tissue: Implications in decidualization and miscarriage risk. Prostaglandins Leukot Essent Fatty Acids 2024; 201:102619. [PMID: 38788346 DOI: 10.1016/j.plefa.2024.102619] [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: 01/29/2024] [Revised: 05/06/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024]
Abstract
A pivotal event in uterine receptivity and human reproduction is the differentiation of endometrial stromal cells into decidual cells, known as decidualization. Decidualization is interlinked with its inflammatory environment. Our study aimed to investigate the presence and role of pro-resolving lipid mediators in first trimester maternal tissue. We assessed the levels of LXA4 and RvD1, along with their metabolic LOX enzymes, in elective (control) and sporadic miscarriage samples. We investigated the effects of LXA4 and RvD1 on decidualization using primary endometrial stromal cells and the immortalized endometrial stromal St-T1b cell line. The upregulation of 12- and 15-LOX expression was observed in pregnancy tissue after sporadic miscarriage, suggesting an inflammatory imbalance. Furthermore, incubation with these lipid mediators led to a decrease in decidualization biomarkers PRL and IGFBP-1, accompanied by morphological changes indicative of aberrant differentiation. The expression of LOX enzymes in decidual natural killer cells suggests their involvement in regulating the inflammatory surroundings and the extent of decidualization.
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Affiliation(s)
- Luísa G Sousa
- UCIBIO - Applied Molecular Biosciences Unit, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia da Universidade do Porto, 4050-313 Porto, Portugal; i4HB-Institute for Health and Bioeconomy, Universidade do Porto, 4050-313 Porto, Portugal; Departamento de Biologia, Faculdade de Ciências, Universidade do Porto, 4169-007 Porto, Portugal
| | - Patrícia Alves
- UCIBIO - Applied Molecular Biosciences Unit, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia da Universidade do Porto, 4050-313 Porto, Portugal; i4HB-Institute for Health and Bioeconomy, Universidade do Porto, 4050-313 Porto, Portugal
| | - Natércia Teixeira
- UCIBIO - Applied Molecular Biosciences Unit, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia da Universidade do Porto, 4050-313 Porto, Portugal; i4HB-Institute for Health and Bioeconomy, Universidade do Porto, 4050-313 Porto, Portugal
| | - Georgina Correia-da-Silva
- UCIBIO - Applied Molecular Biosciences Unit, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia da Universidade do Porto, 4050-313 Porto, Portugal; i4HB-Institute for Health and Bioeconomy, Universidade do Porto, 4050-313 Porto, Portugal
| | - Bruno M Fonseca
- UCIBIO - Applied Molecular Biosciences Unit, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia da Universidade do Porto, 4050-313 Porto, Portugal; i4HB-Institute for Health and Bioeconomy, Universidade do Porto, 4050-313 Porto, Portugal; Escola Superior de Saúde, Instituto Politécnico de Viana do Castelo (IPVC), 4900-347 Viana do Castelo, Portugal.
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Di X, Hao Y, Duan Z, Ma Y, Cao Y, Tan Z, Song C, Lin X. Activation of SGK1/ENaC Signaling Pathway Improves the Level of Decidualization in Unexplained Recurrent Spontaneous Abortion. Reprod Sci 2023; 30:3273-3284. [PMID: 37280474 PMCID: PMC10643273 DOI: 10.1007/s43032-023-01273-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 05/11/2023] [Indexed: 06/08/2023]
Abstract
Recurrent spontaneous abortion (RSA) is one of the most common complications during pregnancy and seriously affects women's physical and mental health. About 50% of RSA cases are of unknown etiology. Our previous study found that the decidual tissue of patients with unexplained recurrent spontaneous abortion (URSA) had low expression levels of serum and glucocorticoid-induced protein kinase (SGK) 1. Endometrial decidualization is a key link in the early stage of pregnancy and is crucial to the development and maintenance of pregnancy. Decidualization is the proliferation and differentiation of endometrial stromal cells into deciduals, which involves a complex physiological process such as ovarian steroid hormones (estrogen, progesterone, prolactin, etc.), growth factors, and intercellular signaling. The binding of estrogen and its receptor stimulates the synthesis of endometrial deciduating markers prolactin (PRL) and insulin-like growth factor binding protein 1 (IGFBP-1), which mediates the occurrence of decidualization. Among them, SGK1/ENaC is a signaling pathway closely related to decidualization. The purpose of this study was to further investigate the expression of SGK1 and decidualization-related molecules in the decidual tissue of URSA patients and to explore the potential mechanism of SGK1's protective effect in URSA patients and in mouse models. Decidual tissue samples from 30 URSA patients and 30 women who actively terminated pregnancy were collected, and a URSA mouse model was established and treated with dydrogesterone. Expression levels of SGK1 and its signaling pathway-related proteins (p-Nedd4-2, 14-3-3 protein and ENaC-a), estrogen and progesterone receptors (ERβ, PR), and decidualization markers (PRLR, IGFBP-1) were assessed. Our study found that SGK1, p-Nedd4-2, 14-3-3 proteins, and ENaC-a expression levels were reduced in the decidual tissue, the SGK1/ENaC signaling pathway was inhibited, and the expression levels of the decidualization markers PRLR and IGFBP-1 were downregulated in the URSA group compared with the controls. Additionally, the concentrations of E2, P, and PRL in the serum of mice were decreased in the URSA group compared with the controls. However, SGK1/ENaC pathway-related proteins, estrogen and progesterone and their receptors, and decidualization-related molecules were upregulated by dydrogesterone. These data suggest that estrogen and progesterone can induce decidualization by activating the SGK1/ENaC signaling pathway; disruption of this pathway can lead to the development of URSA. Dydrogesterone can increase the expression level of SGK1 protein in decidual tissue.
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Affiliation(s)
- Xiaoqian Di
- Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China
- Collaborative Innovation Center of Integrated Chinese and Western Medicine On Reproductive Disease, Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China
- Hebei Key Laboratory of Integrative Medicine On Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China
| | - Yanzhi Hao
- Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China
- Collaborative Innovation Center of Integrated Chinese and Western Medicine On Reproductive Disease, Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China
- Hebei Key Laboratory of Integrative Medicine On Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China
| | - Zibo Duan
- Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China
- Collaborative Innovation Center of Integrated Chinese and Western Medicine On Reproductive Disease, Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China
- Hebei Key Laboratory of Integrative Medicine On Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China
| | - Yucong Ma
- Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China
- Collaborative Innovation Center of Integrated Chinese and Western Medicine On Reproductive Disease, Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China
- Hebei Key Laboratory of Integrative Medicine On Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China
| | - Ying Cao
- North China University of Science and Technology, Shijiazhuang, 050011, Hebei, China
| | - Zhanwang Tan
- Hebei Medical University, Shijiazhuang, 050011, Hebei, China
| | - Cuimiao Song
- Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China
- Collaborative Innovation Center of Integrated Chinese and Western Medicine On Reproductive Disease, Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China
- Hebei Key Laboratory of Integrative Medicine On Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China
| | - Xiaohua Lin
- Collaborative Innovation Center of Integrated Chinese and Western Medicine On Reproductive Disease, Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China.
- Hebei Key Laboratory of Integrative Medicine On Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, 050091, Hebei, China.
- Hebei Hospital of Traditional Chinese Medicine: Affiliated Hospital of Hebei University of Chinese Medicine, Shijiazhuang, 050011, Hebei, China.
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4
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Szukiewicz D. Aberrant epigenetic regulation of estrogen and progesterone signaling at the level of endometrial/endometriotic tissue in the pathomechanism of endometriosis. VITAMINS AND HORMONES 2023; 122:193-235. [PMID: 36863794 DOI: 10.1016/bs.vh.2022.11.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Endometriosis is a term referring to a condition whereby the endometrial tissue is found outside the uterine cavity. This progressive and debilitating condition affects up to 15% of women of reproductive age. Due to the fact that endometriosis cells may express estrogen receptors (ERα, Erβ, GPER) and progesterone (P4) receptors (PR-A, PR-B), their growth, cyclic proliferation, and breakdown are similar to the processes occurring in the endometrium. The underlying etiology and pathogenesis of endometriosis are still not fully explained. The retrograde transport of viable menstrual endometrial cells with the retained ability to attach within the pelvic cavity, proliferate, differentiate and invade into the surrounding tissue explains the most widely accepted implantation theory. Endometrial stromal cells (EnSCs) with clonogenic potential constitute the most abundant population of cells within endometrium that resemble the properties of mesenchymal stem cells (MSCs). Accordingly, formation of the endometriotic foci in endometriosis may be due to a kind of EnSCs dysfunction. Increasing evidence indicates the underestimated role of epigenetic mechanisms in the pathogenesis of endometriosis. Hormone-mediated epigenetic modifications of the genome in EnSCs or even MSCs were attributed an important role in the etiopathogenesis of endometriosis. The roles of excess estrogen exposure and P4 resistance were also found to be crucial in the development of epigenetic homeostasis failure. Therefore, the aim of this review was to consolidate the current knowledge regarding the epigenetic background of EnSCs and MSCs and the changed properties due to estrogen/P4 imbalances in the context of the etiopathogenesis of endometriosis.
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Affiliation(s)
- Dariusz Szukiewicz
- Department of Biophysics, Physiology & Pathophysiology, Faculty of Health Sciences, Medical University of Warsaw, Warsaw, Poland.
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5
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Han S, Liu M, Liu S, Li Y. Transcriptomic analysis of human endometrial stromal cells during early embryo invasion. Ann Med 2021; 53:1758-1771. [PMID: 34643467 PMCID: PMC8519554 DOI: 10.1080/07853890.2021.1988139] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 09/27/2021] [Indexed: 01/20/2023] Open
Abstract
PURPOSE During early embryo invasion (48 h after embryo attachment), what functional changes accompany dynamic gene expression alterations in human endometrial stromal cells? METHOD In the present study, primary human endometrial stromal cells (phESCs) were cultured. After in vitro decidualization, primary human endometrial stromal cells (phESCs) were cultured with blastocysts for 48 h. During this process, blastocysts attached and invaded the phESCs (embryo-invaded primary human endometrial stromal cells, ehESCs). We performed comprehensive transcriptomic profiling of phESCs (two replicates) and ehESCs (five replicates) and analyzed the differentially expressed gene (DEGs) sets for gene ontology (GO) terms and Kyoto encyclopaedia of genes and genomes (KEGG) pathway enrichment. To analyse potential connectivity patterns between the transcripts in these DEG sets, a protein-protein interaction (PPI) network was constructed using the STRING database. RESULTS A total of 592 DEGs were identified between phESCs and ehESCs after embryo invasion. Primary human endometrial stromal cells underwent significant transcriptomic changes that occur in a stepwise fashion. Oxidative phosphorylation, mitochondrial organization, and P53 signalling pathways were significantly altered in phESCs after embryo invasion. EP300 may play a key role in regulating transcription via chromatin remodelling to facilitate the adaptive gene expression changes that occur during embryo invasion. CONCLUSIONS Our data identify dynamic transcriptome changes that occur in endometrial stromal cells within 48 h after embryo invasion. The pathways that we found to be enriched in phESCs after embryo invasion (oxidative phosphorylation, mitochondrial organization, and P53 signalling) may represent novel mechanisms underlying embryo implantation, and may illuminate the reasons that some women experience reproductive failure.Key messagesHuman endometrial stromal cells have undergone changes in gene expression regulation and signalling pathways during the embryo invasion.Mitochondrial-oxidative phosphorylation changes in human stromal cells manifested as down-regulation of gene expression in the electron transport chain.TP53 signalling pathway and transcriptional regulator EP300 assist stromal cells to get adaptive changes during embryo invasion phase.
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Affiliation(s)
- Shuo Han
- Medical Center for Human Reproduction, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Minghui Liu
- Medical Center for Human Reproduction, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Shan Liu
- Medical Center for Human Reproduction, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Yuan Li
- Medical Center for Human Reproduction, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
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6
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Szukiewicz D, Stangret A, Ruiz-Ruiz C, Olivares EG, Soriţău O, Suşman S, Szewczyk G. Estrogen- and Progesterone (P4)-Mediated Epigenetic Modifications of Endometrial Stromal Cells (EnSCs) and/or Mesenchymal Stem/Stromal Cells (MSCs) in the Etiopathogenesis of Endometriosis. Stem Cell Rev Rep 2021; 17:1174-1193. [PMID: 33411206 PMCID: PMC8316205 DOI: 10.1007/s12015-020-10115-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/28/2020] [Indexed: 02/07/2023]
Abstract
Endometriosis is a common chronic inflammatory condition in which endometrial tissue appears outside the uterine cavity. Because ectopic endometriosis cells express both estrogen and progesterone (P4) receptors, they grow and undergo cyclic proliferation and breakdown similar to the endometrium. This debilitating gynecological disease affects up to 15% of reproductive aged women. Despite many years of research, the etiopathogenesis of endometrial lesions remains unclear. Retrograde transport of the viable menstrual endometrial cells with retained ability for attachment within the pelvic cavity, proliferation, differentiation and subsequent invasion into the surrounding tissue constitutes the rationale for widely accepted implantation theory. Accordingly, the most abundant cells in the endometrium are endometrial stromal cells (EnSCs). These cells constitute a particular population with clonogenic activity that resembles properties of mesenchymal stem/stromal cells (MSCs). Thus, a significant role of stem cell-based dysfunction in formation of the initial endometrial lesions is suspected. There is increasing evidence that the role of epigenetic mechanisms and processes in endometriosis have been underestimated. The importance of excess estrogen exposure and P4 resistance in epigenetic homeostasis failure in the endometrial/endometriotic tissue are crucial. Epigenetic alterations regarding transcription factors of estrogen and P4 signaling pathways in MSCs are robust in endometriotic tissue. Thus, perspectives for the future may include MSCs and EnSCs as the targets of epigenetic therapies in the prevention and treatment of endometriosis. Here, we reviewed the current known changes in the epigenetic background of EnSCs and MSCs due to estrogen/P4 imbalances in the context of etiopathogenesis of endometriosis. Graphical Abstract.
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Affiliation(s)
- Dariusz Szukiewicz
- Department of General & Experimental Pathology with Centre for Preclinical Research and Technology (CEPT), Medical University of Warsaw, Pawinskiego 3C, 02-106 Warsaw, Poland
| | - Aleksandra Stangret
- Department of General & Experimental Pathology with Centre for Preclinical Research and Technology (CEPT), Medical University of Warsaw, Pawinskiego 3C, 02-106 Warsaw, Poland
| | - Carmen Ruiz-Ruiz
- Departamento de Bioquímica y Biología Molecular III e Inmunología, Facultad de Medicina, Universidad de Granada, Avenida de la Investigación, 11, 18016 Granada, Spain
| | - Enrique G. Olivares
- Departamento de Bioquímica y Biología Molecular III e Inmunología, Facultad de Medicina, Universidad de Granada, Avenida de la Investigación, 11, 18016 Granada, Spain
| | - Olga Soriţău
- Laboratory of Radiotherapy, Tumor and Radiobiology, Prof. Dr. Ion Chiricuţă Oncology Institute, 34-36 Republicii St, 400015 Cluj-Napoca, Romania
| | - Sergiu Suşman
- Department of Histology, Iuliu Hatieganu, University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Grzegorz Szewczyk
- Department of General & Experimental Pathology with Centre for Preclinical Research and Technology (CEPT), Medical University of Warsaw, Pawinskiego 3C, 02-106 Warsaw, Poland
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7
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Wang D, Li W, Yang C, Chen X, Liu X, He J, Tong C, Peng C, Ding Y, Geng Y, Cao X, Li F, Gao R, Wang Y. Exposure to ethylparaben and propylparaben interfere with embryo implantation by compromising endometrial decidualization in early pregnant mice. J Appl Toxicol 2021; 41:1732-1746. [PMID: 34101200 DOI: 10.1002/jat.4208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 05/03/2021] [Accepted: 05/24/2021] [Indexed: 11/10/2022]
Abstract
Ethylparaben (EtP) and propylparaben (PrP) are common preservatives and well-known endocrine-disrupting chemicals. Studies have demonstrated that they can reduce female fertility, but the underlying mechanism, especially that on embryo implantation, is still poorly understood. Endometrial decidualization is a critical event for embryo implantation. In this study, we aimed to explore the effects of EtP/PrP on endometrial decidualization. Pregnant mice were dosed daily by oral gavage with EtP at 0, 400, 800 and 1600 mg/kg or with PrP at 0, 625, 1250 and 2500 mg/kg from Day 1 of pregnancy until sacrifice. The results showed that the rate of pregnant mice with impaired embryo implantation, whose number of implantation sites was less than 7, was significantly increased after exposure to 1600 mg/kg EtP or 2500 mg/kg PrP. Further study found that the expression of endometrial decidualization markers HOXA10, MMP9 and PR was significantly downregulated in 1600 mg/kg EtP group and 2500 mg/kg PrP group. Notably, serum oestrogen and progesterone levels were significantly increased, whereas the expression of uterine oestrogen receptor and progesterone receptor was decreased following 1600 mg/kg EtP or 2500 mg/kg PrP exposure. In the breeding test, fewer offspring were found after females were exposed to 1600 mg/kg EtP or 2500 mg/kg PrP in early pregnancy. This demonstrated that exposure to EtP/PrP interfered with embryo implantation by compromising endometrial decidualization in early-stage pregnant mice. Disorders of reproductive hormones and hormone receptor signals could be responsible for impaired decidualization. This study broadened the understanding on the biological safety of EtP and PrP.
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Affiliation(s)
- Dan Wang
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China.,Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Weike Li
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China.,Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Chengshun Yang
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China.,Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Xuemei Chen
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China.,Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Xueqing Liu
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China.,Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Junlin He
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China.,Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Chao Tong
- Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China.,Department of Obstetrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Chuan Peng
- Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China.,The Chongqing Key Laboratory of Translational Medicine in Major Metabolic Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yubin Ding
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China.,Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Yanqing Geng
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China.,Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Xianqing Cao
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China.,Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Fangfang Li
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China.,Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Rufei Gao
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China.,Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Yingxiong Wang
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing, China.,Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
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8
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Gibson C, de Ruijter-Villani M, Bauersachs S, Stout TA. Asynchronous Embryo Transfer Followed by Comparative Transcriptomic Analysis of Conceptus Membranes and Endometrium Identifies Processes Important to the Establishment of Equine Pregnancy. Int J Mol Sci 2020; 21:E2562. [PMID: 32272720 PMCID: PMC7177982 DOI: 10.3390/ijms21072562] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 04/01/2020] [Accepted: 04/03/2020] [Indexed: 12/27/2022] Open
Abstract
Preimplantation horse conceptuses require nutrients and signals from histotroph, the composition of which is regulated by luteal progesterone and conceptus-secreted factors. To distinguish progesterone and conceptus effects we shortened the period of endometrial progesterone-priming by asynchronous embryo transfer. Day 8 embryos were transferred to synchronous (day 8) or asynchronous (day 3) recipients, and RNA sequencing was performed on endometrium and conceptuses recovered 6 and 11 days later (embryo days 14 and 19). Asynchrony resulted in many more differentially expressed genes (DEGs) in conceptus membranes (3473) than endometrium (715). Gene ontology analysis identified upregulation in biological processes related to organogenesis and preventing apoptosis in synchronous conceptuses on day 14, and in cell adhesion and migration on day 19. Asynchrony also resulted in large numbers of DEGs related to 'extracellular exosome'. In endometrium, genes involved in immunity, the inflammatory response, and apoptosis regulation were upregulated during synchronous pregnancy and, again, many genes related to extracellular exosome were differentially expressed. Interestingly, only 14 genes were differentially expressed in endometrium recovered 6 days after synchronous versus 11 days after asynchronous transfer (day 14 recipient in both). Among these, KNG1 and IGFBP3 were consistently upregulated in synchronous endometrium. Furthermore bradykinin, an active peptide cleaved from KNG1, stimulated prostaglandin release by cultured trophectoderm cells. The horse conceptus thus responds to a negatively asynchronous uterus by extensively adjusting its transcriptome, whereas the endometrial transcriptome is modified only subtly by a more advanced conceptus.
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Affiliation(s)
- Charlotte Gibson
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, 3584CM Utrecht, The Netherlands; (C.G.); (M.d.R.-V.)
| | - Marta de Ruijter-Villani
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, 3584CM Utrecht, The Netherlands; (C.G.); (M.d.R.-V.)
| | - Stefan Bauersachs
- Institute of Veterinary Anatomy, Vetsuisse Faculty Zurich, University of Zurich, 8315 Lindau (ZH), Switzerland;
| | - Tom A.E. Stout
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, 3584CM Utrecht, The Netherlands; (C.G.); (M.d.R.-V.)
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9
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Fuhler GM. The immune system and microbiome in pregnancy. Best Pract Res Clin Gastroenterol 2020; 44-45:101671. [PMID: 32359685 DOI: 10.1016/j.bpg.2020.101671] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 02/19/2020] [Accepted: 03/05/2020] [Indexed: 01/31/2023]
Abstract
Hormonal changes during pregnancy instigate numerous physiological changes aimed at the growth and delivery of a healthy baby. A careful balance between immunological tolerance against fetal antigens and immunity against infectious agents needs to be maintained. A three-way interaction between pregnancy hormones, the immune system and our microbiota is now emerging. Recent evidence suggests that microbial alterations seen during pregnancy may help maintain homeostasis and aid the required physiological changes occurring in pregnancy. However, these same immunological and microbial alterations may also make women more vulnerable during pregnancy and the post-partum period, especially regarding immunological and infectious diseases. Thus, a further understanding of the host-microbial interactions taking place during pregnancy may improve identification of populations at risk for adverse pregnancy outcomes.
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Affiliation(s)
- G M Fuhler
- Erasmus MC University Medical Center Rotterdam, Department of Gastroenterology and Hepatology, Erasmus Medical Center, Gravendijkwal 230, 3015CE, Rotterdam, the Netherlands.
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10
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Sang Y, Li Y, Xu L, Li D, Du M. Regulatory mechanisms of endometrial decidualization and pregnancy-related diseases. Acta Biochim Biophys Sin (Shanghai) 2020; 52:105-115. [PMID: 31854442 DOI: 10.1093/abbs/gmz146] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 11/13/2019] [Accepted: 09/17/2019] [Indexed: 12/18/2022] Open
Abstract
Endometrial decidualization is one of the earliest changes by which the uterus adapts to pregnancy. During this period, the endometrium undergoes complex changes in its biochemistry, physiology, and function at various levels, providing a suitable microenvironment for embryo implantation and development. Favorable decidualization lays an essential foundation for subsequent gestation, without which pregnancy failure or pregnancy complications may occur. The interaction between pregnancy-related hormones and cytokines produced by embryonic and uterine cells is known to be essential for decidualization, in which some transcription factors also play pivotal roles. Increasing evidence has revealed the importance of metabolism in regulating decidualization. Here, we summarize and discuss these crucial elements in decidualization and the relationship between decidualization and pregnancy complications. A better comprehension of these issues should help to improve the prediction of pregnancy outcomes and the use of appropriate intervention.
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Affiliation(s)
- Yifei Sang
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University Shanghai Medical College, Shanghai 200011, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai 200011, China
| | - Yanhong Li
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University Shanghai Medical College, Shanghai 200011, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai 200011, China
| | - Ling Xu
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University Shanghai Medical College, Shanghai 200011, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai 200011, China
| | - Dajin Li
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University Shanghai Medical College, Shanghai 200011, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai 200011, China
| | - Meirong Du
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University Shanghai Medical College, Shanghai 200011, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai 200011, China
- Department of Obstetrics and Gynecology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China
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11
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Development and utilization of human decidualization reporter cell line uncovers new modulators of female fertility. Proc Natl Acad Sci U S A 2019; 116:19541-19551. [PMID: 31501330 DOI: 10.1073/pnas.1907652116] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Failure of embryo implantation accounts for a significant percentage of female infertility. Exquisitely coordinated molecular programs govern the interaction between the competent blastocyst and the receptive uterus. Decidualization, the rapid proliferation and differentiation of endometrial stromal cells into decidual cells, is required for implantation. Decidualization defects can cause poor placentation, intrauterine growth restriction, and early parturition leading to preterm birth. Decidualization has not yet been systematically studied at the genetic level due to the lack of a suitable high-throughput screening tool. Herein we describe the generation of an immortalized human endometrial stromal cell line that uses yellow fluorescent protein under the control of the prolactin promoter as a quantifiable visual readout of the decidualization response (hESC-PRLY cells). Using this cell line, we performed a genome-wide siRNA library screen, as well as a screen of 910 small molecules, to identify more than 4,000 previously unrecognized genetic and chemical modulators of decidualization. Ontology analysis revealed several groups of decidualization modulators, including many previously unappreciated transcription factors, sensory receptors, growth factors, and kinases. Expression studies of hits revealed that the majority of decidualization modulators are acutely sensitive to ovarian hormone exposure. Gradient treatment of exogenous factors was used to identify EC50 values of small-molecule hits, as well as verify several growth factor hits identified by the siRNA screen. The high-throughput decidualization reporter cell line and the findings described herein will aid in the development of patient-specific treatments for decidualization-based recurrent pregnancy loss, subfertility, and infertility.
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12
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Salleh N, Sayem ASM, Giribabu N, Khaing SL. Expression of proteins related to thyroid hormone function in the uterus is down-regulated at the day of implantation in hypothyroid pregnant rats. Cell Biol Int 2019; 43:486-494. [PMID: 30761678 DOI: 10.1002/cbin.11114] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 02/10/2019] [Indexed: 12/19/2022]
Abstract
Hypothyroidism has been linked to infertility, but the mechanisms underlying infertility-related hypothyroidism have yet to be fully elucidated. Therefore, in this study, effects of hypothyroidism on expression of the proteins related to thyroid hormone function in the uterus, which were thought to play a role implantation, including thyroid hormone receptor (TR), thyroid stimulating hormone receptor (TSHR), retinoic acid receptor (RAR) and extracellular kinase (ERK) were identified. Pregnant female rats were rendered hypothyroid by giving methimazole (MMI), orally. Following hypothyroid induction, rats were grouped into control (non-treated) and received subcutaneous thyroxine at 20, 40, and 80 μg/kg/day for five consecutive days. At Day 6, which is the day of implantation (GD 6), rats were sacrificed and the number of embryo implantation site in the uterus was calculated. Then, uterine horns were harvested and expression of the above proteins and their mRNAs were identified by Western blotting and real-time PCR, respectively. In non-treated hypothyroid pregnant rats, the number of embryo implantation sites decreased as compared to euthyroid and hypothyroid rats receiving thyroxine treatment. Similarly, expression of TRα-1, TRβ-1, TSHR, ERK1/2 and RAR proteins and mRNA in the uterus of non-treated hypothyroid rats also decreased (P < 0.05 when compared to euthyroid and thyroxine-treated hypothyroid rats). In conclusion, downregulated expression of the thyroid hormone related proteins in the uterus at the day of implantation might result in infertility as reported in hypothyroid condition.
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Affiliation(s)
- Naguib Salleh
- Department of Physiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, 50603, Malaysia
| | - Abu Sadat Md Sayem
- Department of Physiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, 50603, Malaysia.,Department of Pharmacy, University of Science and Technology Chittagong, Zakir Hossain Road, Foy's Lake, Khulshi, Chittagong, 4202, Bangladesh
| | - Nelli Giribabu
- Department of Physiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, 50603, Malaysia
| | - Si Lay Khaing
- Department of Obstetrics & Gynecology, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia
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13
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Jaworska J, Janowski T. Expression of proinflammatory cytokines IL-1β, IL-6 and TNFα in the retained placenta of mares. Theriogenology 2018; 126:1-7. [PMID: 30503761 DOI: 10.1016/j.theriogenology.2018.11.029] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 11/26/2018] [Accepted: 11/26/2018] [Indexed: 12/15/2022]
Abstract
Retained fetal membranes (RFM) is a prevalent postpartum disease in mares. During parturition, various proinflammatory cytokines are released in the placenta, which further facilitates uterine contractions, expulsion of the fetus and fetal membranes. We hypothesized that an altered inflammatory response in mares results in retained fetal membranes. Samples of the endometrium and the allantochorion were collected from 15 mares with RFM and from 29 control mares within 2 h of foal delivery. Next, the mRNA expression of IL-1β, IL-6 and TNFα proteins was analyzed by Real Time PCR and Western blot. These cytokines were also localized by immunocytochemistry. In mares with RFM, the mRNA expression of IL-1β in the endometrium (p < 0.05) and IL-6 in the allantochorion (p < 0.0001) was higher than in mares that expelled fetal membranes physiologically. Higher expression of IL-6 in the allantochorion was confirmed by Western blot. In contrast, no changes in TNFα mRNA and protein expression were observed between the 2 groups of mares. Moreover, TNFα mRNA was barely detectable. The presence of all studied cytokine proteins in the allantochorion was confirmed by immunocytochemistry. The results suggest that the outbreak of inflammation is involved in the mechanism of placenta release in mares. Increased expression of IL-6 in the allantochorion and IL-1β in the endometrium could reflect a local immune response which leads to the detachment of fetal membranes. The low expression of TNFα mRNA might suggest that this cytokine is not involved in the expulsion of fetal membranes. Further work is needed to determine the exact role and timing of inflammatory activation in fetal membranes during equine parturition.
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Affiliation(s)
- J Jaworska
- Department of Animal Reproduction with Clinic, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn; Oczapowskiego 14; 10-719, Olsztyn; Poland.
| | - T Janowski
- Department of Animal Reproduction with Clinic, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn; Oczapowskiego 14; 10-719, Olsztyn; Poland
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14
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Gui J, Xu W, Yang J, Feng L, Jia J. Impact of local endometrial injury on in vitro
fertilization/intracytoplasmic sperm injection outcomes: A systematic review and meta-analysis. J Obstet Gynaecol Res 2018; 45:57-68. [PMID: 30421580 DOI: 10.1111/jog.13854] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 10/08/2018] [Indexed: 12/25/2022]
Affiliation(s)
- Juan Gui
- Department of Reproductive Center; Renmin Hospital of Wuhan University; Wuhan China
- Assisted Reproduction and Embryogenesis Clinical Research Center of Hubei Province; Wuhan China
| | - Wangming Xu
- Department of Reproductive Center; Renmin Hospital of Wuhan University; Wuhan China
- Assisted Reproduction and Embryogenesis Clinical Research Center of Hubei Province; Wuhan China
| | - Jing Yang
- Department of Reproductive Center; Renmin Hospital of Wuhan University; Wuhan China
- Assisted Reproduction and Embryogenesis Clinical Research Center of Hubei Province; Wuhan China
| | - Ling Feng
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical School; Huazhong University of Science and Technology; Wuhan China
| | - Jing Jia
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical School; Huazhong University of Science and Technology; Wuhan China
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15
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Feng C, Shen JM, Lv PP, Jin M, Wang LQ, Rao JP, Feng L. Construction of implantation failure related lncRNA-mRNA network and identification of lncRNA biomarkers for predicting endometrial receptivity. Int J Biol Sci 2018; 14:1361-1377. [PMID: 30123082 PMCID: PMC6097487 DOI: 10.7150/ijbs.25081] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 07/02/2018] [Indexed: 12/12/2022] Open
Abstract
Insufficient endometrial receptivity is a major factor leading to implantation failure (IF), and the traditional way of morphological observation of endometrium cannot determine the condition of receptivity sufficiently. Considering that long-noncoding RNAs (lncRNAs) regulate endometrial receptivity and competing endogenous RNA (ceRNA) mechanism works in plenty of biological processes, ceRNA is likely to function in the pathology of IF. In the present study, we aim to construct an implantation failure related lncRNA-mRNA network (IFLMN), and to identify the key lncRNAs as the candidates for predicting endometrial receptivity. The global background network was constructed based on the presumed lncRNA-miRNA and miRNA-mRNA pairs obtained from lncRNASNP and miRTarBase. Differentially expressed genes (DEGs) of IF were calculated using the data of GSE26787, and then re-annotated as differentially expressed mRNAs (DEMs) and lncRNAs (DELs). IFLMN was constructed by hypergeometric test, including 255 lncRNA-mRNA pairs, 10 lncRNAs, and 212 mRNAs. Topological analysis determined the key lncRNAs with the highest centroid. Functional enrichment analyses were performed by unsupervised clustering, GO classification, KEGG pathway, and co-expression module analyses, achieving six key lncRNAs and their ceRNA sub-networks, which were involved in immunological activity, growth factor binding, vascular proliferation, apoptosis, and steroid biosynthesis in uterus and prepared endometrium for embryo implantation. Sixteen endometrial samples were collected during mid-luteal phase, including 8 recurrent implantation failure (RIF) or recurrent miscarriage (RM) women and 8 controls who conceived successfully. Quantitative real-time PCR was performed to compare the expression of the above six lncRNAs, which validated that the expression of all these lncRNAs was significantly elevated in endometrium of RIF/RM patients. Further studies are needed to investigate the underlying mechanism, and the lncRNAs may be developed into predictive biomarkers for endometrial receptivity.
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Affiliation(s)
- Chun Feng
- The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Jin-Ming Shen
- The First Affiliated Hospital of Zhejiang Chinese Medicine University, Hangzhou, Zhejiang 310006, China
| | - Ping-Ping Lv
- The Women's Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, China
| | - Min Jin
- The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Li-Quan Wang
- The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Jin-Peng Rao
- The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Lei Feng
- The First Affiliated Hospital of Zhejiang Chinese Medicine University, Hangzhou, Zhejiang 310006, China
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16
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Guo S, Li Z, Yan L, Sun Y, Feng Y. GnRH agonist improves pregnancy outcome in mice with induced adenomyosis by restoring endometrial receptivity. DRUG DESIGN DEVELOPMENT AND THERAPY 2018; 12:1621-1631. [PMID: 29922037 PMCID: PMC5995291 DOI: 10.2147/dddt.s162541] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Purpose Adenomyosis has a negative impact on female fertility. GnRH agonist treatment can improve pregnancy outcomes in women with adenomyosis. However, the impact of GnRH agonist upon endometrium receptivity of patients with adenomyosis remains unclear. In this study, endometrial receptivity and pregnancy outcome were investigated using a mouse model of adenomyosis. Materials and methods Adenomyosis was induced in 12 female ICR mice, neonatally treated with tamoxifen, while another six female mice (control group) received solvent only. At 75 days, the induced adenomyosis group was randomly divided into two groups: an untreated group and a group treated with GnRH agonist (n = 6 each). Sixty days later, the mice were mated and pregnancy outcomes were observed and compared among the three groups (n = 6 each). In a parallel experiment using the same treatment regimes, uterus samples were collected on day 4 of pregnancy for immunohistochemistry, gene (quantitative polymerase chain reaction) and protein expression (Western blot), and scanning electron microscopy analyses. Results We found that the average live litter size was reduced in the adenomyosis compared with control group (8 ± 0.56 versus 13 ± 0.71; P = 0.03). However, the litter size was significantly increased in the treated with GnRH agonist group compared with the untreated group (12 ± 0.35 versus 8 ± 0.56; P = 0.04). The uterine expression levels of Hoxa10, Hoxa11, Lif and integrin b3 mRNA and protein were decreased in the adenomyosis group, and were significantly increased after GnRH agonist treatment. Additionally, pinopodes were reduced in number and poorly developed in mice with induced adenomyosis. However, pinopodes were abundant and well-developed in the GnRH agonist treatment group. Conclusion Adenomyosis may have an adverse impact on endometrial receptivity and reduce pregnancy outcomes in mice. However, GnRH agonist may improve the pregnancy outcome by partially restoring endometrial receptivity.
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Affiliation(s)
- Song Guo
- Department of Gynaecology and Obstetrics, Qianfoshan Hospital, Shandong University, Jinan, China
| | - Zhichao Li
- Gynecology, Shanghai Ji Ai Genetics & In Vitro Fertilization Institute, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - Li Yan
- Department of Gynaecology and Obstetrics, Qianfoshan Hospital, Shandong University, Jinan, China
| | - Yijuan Sun
- Gynecology, Shanghai Ji Ai Genetics & In Vitro Fertilization Institute, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - Yun Feng
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, Ruijin Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
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17
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Wei M, Gao Y, Lu B, Jiao Y, Liu X, Cui B, Hu S, Sun L, Mao S, Dong J, Yan L, Chen Z, Zhao Y. FKBP51 regulates decidualization through Ser473 dephosphorylation of AKT. Reproduction 2018; 155:283-295. [DOI: 10.1530/rep-17-0625] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2017] [Accepted: 01/22/2018] [Indexed: 02/01/2023]
Abstract
Defective decidualization of human endometrial stromal cells (ESCs) has recently been highlighted as an underlying cause of implantation failure. FK-506-binding protein 51 (FKBP51) has been shown to participate in the steroid hormone response and the protein kinase B (AKT) regulation process, both of which are important pathways involved in decidualization. The objective of the present study was to investigate the potential effects and mechanisms of FKBP51 in the regulation of ESC decidualization. By performing immunohistochemical staining on an endometrial tissue microarray (TMA) derived from normal females, we found that FKBP51 expression was much higher in the luteal phase than in the follicular phase in ESCs. Primary ESCs were isolated from patients to build an in vitro decidualization model through co-culture with medroxyprogesterone acetate (MPA) and 8-bromoadenosine (cAMP). SC79, a specific AKT activator in various physiological and pathological conditions, and shRNA-FKBP51 were used to examine the roles of AKT and FKBP51 in decidualization. The Western blot and RT-PCR results showed that FKBP51, insulin-like growth factor-binding protein 1 (IGFBP1) and prolactin (PRL) expression increased in ESCs treated with MPA + cAMP; meanwhile, the level of p-Ser473 AKT (p-S473 AKT) decreased and forkhead box protein O1 (FOXO1A) expression increased. Decidualization was inhibited by the AKT activator SC79 and the transfection of FKBP51-shRNA by affecting protein synthesis, cell morphology, cell growth and cell cycle. Furthermore, this inhibition was rescued by FKBP51-cDNA transfection. The results supported that FKBP51 promotes decidualization by reducing the Ser473 phosphorylation levels in AKT.
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18
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Zhang L, Li Y, Guan CY, Tian S, Lv XD, Li JH, Ma X, Xia HF. Therapeutic effect of human umbilical cord-derived mesenchymal stem cells on injured rat endometrium during its chronic phase. Stem Cell Res Ther 2018; 9:36. [PMID: 29433563 PMCID: PMC5810045 DOI: 10.1186/s13287-018-0777-5] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 12/04/2017] [Accepted: 01/15/2018] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Repair deficiency after endometrial injury is an important reason for intra-uterine adhesions, amenorrhea, and infertility in females. Bone marrow-derived mesenchymal stem cell (BMSC) transplantation is effective in repairing the damaged endometrium. However, the possibility of using umbilical cord-derived MSCs (UC-MSCs) to treat endometrial injury is rarely reported. METHODS Ethanol (95%) was injected into rat uterus to establish a model of endometrial injury. UC-MSCs were injected through the tail vein, either as a single, twice, or thrice administration. Functional restoration of the uterus was assessed by testing embryo implantation rates. Endometrial morphological alteration was observed by hematoxylin and eosin staining. Endometrial fibrosis, markers of epithelial and stromal cells of endometrium, cell proliferation and angiogenesis, and inflammatory factors were detected using immunohistochemistry, Western blotting, and quantitative reverse-transcription polymerase chain reaction. RESULTS Endometrial morphology and embryo implantation rates were significantly improved on day 8 of transplantation among single-, twice-, or thrice-administered rats. Moreover, UC-MSCs could alleviate fibrosis in general, and reduced the expression of fibrosis markers, α-smooth muscle actin (α-SMA) and transforming growth factor (TGF)-β. The cell proliferation marker Ki-67 had a positive expression in the injured endometrium after UC-MSC transplantation. The endometrial stromal marker vimentin and epithelial marker cytokeratin-19 (CK-19) expressions were visibly increased. The expression of vascular markers CD31, vascular endothelial growth factor (VEGF)A, and matrix metalloprotein (MMP)9 was generally upregulated. Proinflammatory factors interferon (IFN)-γ, tumor necrosis factor (TNF)-α, and interleukin (IL)-2 were significantly downregulated in the rats administered UC-MSCs twice and thrice. CONCLUSIONS UC-MSC transplantation contributed to the repair of endometrial injury and restoration of fertility, likely through the suppression of excessive fibrosis and inflammation, and enhancement of endometrial cell proliferation and vascular remodeling.
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Affiliation(s)
- Lu Zhang
- Reproductive and Genetic Center of National Research Institute for Family Planning, Beijing, 100081, China.,Graduate School, Peking Union Medical College, Beijing, China
| | - Ying Li
- Reproductive and Genetic Center of National Research Institute for Family Planning, Beijing, 100081, China.,Graduate School, Peking Union Medical College, Beijing, China
| | - Chun-Yi Guan
- Reproductive and Genetic Center of National Research Institute for Family Planning, Beijing, 100081, China.,Graduate School, Peking Union Medical College, Beijing, China
| | - Shi Tian
- Haidian Maternal & Child Health Hospital, Beijing, China
| | - Xiao-Dan Lv
- Reproductive and Genetic Center of National Research Institute for Family Planning, Beijing, 100081, China.,Graduate School, Peking Union Medical College, Beijing, China
| | - Jian-Hui Li
- Reproductive and Genetic Center of National Research Institute for Family Planning, Beijing, 100081, China.,Graduate School, Peking Union Medical College, Beijing, China
| | - Xu Ma
- Reproductive and Genetic Center of National Research Institute for Family Planning, Beijing, 100081, China. .,Graduate School, Peking Union Medical College, Beijing, China.
| | - Hong-Fei Xia
- Reproductive and Genetic Center of National Research Institute for Family Planning, Beijing, 100081, China. .,Graduate School, Peking Union Medical College, Beijing, China.
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19
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Broer PN, Aung T, Heidekrueger PI, Prantl L, Narayan D. Divisive influence of interleukin-1 receptor antagonist polymorphisms in melanoma patients. Clin Hemorheol Microcirc 2017; 67:319-326. [DOI: 10.3233/ch-179212] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- P. Niclas Broer
- Section of Plastic and Reconstructive Surgery, Department of Surgery, Yale University School of Medicine, New Haven, CT, USA
- Department of Plastic, Reconstructive, Hand, and Burn Surgery, StKM Klinikum Bogenhausen, Academic Teaching Hospital Technical University Munich, Germany
| | - Thiha Aung
- Department of Plastic and Reconstructive Surgery, University Medical Center Regensburg, Regensburg, Germany
| | - Paul I. Heidekrueger
- Department of Plastic, Reconstructive, Hand, and Burn Surgery, StKM Klinikum Bogenhausen, Academic Teaching Hospital Technical University Munich, Germany
- Department of Plastic and Reconstructive Surgery, University Medical Center Regensburg, Regensburg, Germany
| | - L. Prantl
- Department of Plastic and Reconstructive Surgery, University Medical Center Regensburg, Regensburg, Germany
| | - Deepak Narayan
- Section of Plastic and Reconstructive Surgery, Department of Surgery, Yale University School of Medicine, New Haven, CT, USA
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