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Li T, Li RHW, Ng EHY, Yeung WSB, Chiu PCN, Chan RWS. Interleukin 6 at menstruation promotes the proliferation and self-renewal of endometrial mesenchymal stromal/stem cells through the WNT/β-catenin signaling pathway. Front Immunol 2024; 15:1378863. [PMID: 38765018 PMCID: PMC11099287 DOI: 10.3389/fimmu.2024.1378863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 04/15/2024] [Indexed: 05/21/2024] Open
Abstract
Background At menstruation, the functional layer of the human endometrium sheds off due to the trigger of the release of inflammatory factors, including interleukin 6 (IL-6), as a result of a sharp decline in progesterone levels, leading to tissue breakdown and bleeding. The endometrial mesenchymal stem-like cells (CD140b+CD146+ eMSC) located in the basalis are responsible for the cyclical regeneration of the endometrium after menstruation. Endometrial cells from the menstruation phase have been proven to secrete a higher amount of IL-6 and further enhance the self-renewal and clonogenic activity of eMSC. However, the IL-6-responsive mechanism remains unknown. Thus, we hypothesized that IL-6 secreted from niche cells during menstruation regulates the proliferation and self-renewal of eMSC through the WNT/β-catenin signaling pathway. Methods In this study, the content of IL-6 across the menstrual phases was first evaluated. Coexpression of stem cell markers (CD140b and CD146) with interleukin 6 receptor (IL-6R) was confirmed by immunofluorescent staining. In vitro functional assays were conducted to investigate the effect of IL-6 on the cell activities of eMSC, and the therapeutic role of these IL-6- and WNT5A-pretreated eMSC on the repair of injured endometrium was observed using an established mouse model. Results The endometrial cells secrete a high amount of IL-6 under hypoxic conditions, which mimic the physiological microenvironment in the menstruation phase. Also, the expression of IL-6 receptors was confirmed in our eMSC, indicating their capacity to respond to IL-6 in the microenvironment. Exogenous IL-6 can significantly enhance the self-renewal, proliferation, and migrating capacity of eMSC. Activation of the WNT/β-catenin signaling pathway was observed upon IL-6 treatment, while suppression of the WNT/β-catenin signaling impaired the stimulatory role of IL-6 on eMSC activities. IL-6- and WNT5A-pretreated eMSC showed better performance during the regeneration of the injured mouse endometrium. Conclusion We demonstrate that the high level of IL-6 produced by endometrial cells at menstruation can induce the stem cells in the human endometrium to proliferate and migrate through the activation of the WNT/β-catenin pathway. Treatment of eMSC with IL-6 and WNT5A might enhance their therapeutic potential in the regeneration of injured endometrium.
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Affiliation(s)
- Tianqi Li
- Department of Obstetrics and Gynaecology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Centre for Translational Stem Cell Biology, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Raymond H. W. Li
- Department of Obstetrics and Gynaecology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong Shenzhen Hospital, Shenzhen, China
| | - Ernest H. Y. Ng
- Department of Obstetrics and Gynaecology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong Shenzhen Hospital, Shenzhen, China
| | - William S. B. Yeung
- Department of Obstetrics and Gynaecology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Centre for Translational Stem Cell Biology, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong Shenzhen Hospital, Shenzhen, China
| | - Philip C. N. Chiu
- Department of Obstetrics and Gynaecology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong Shenzhen Hospital, Shenzhen, China
| | - Rachel W. S. Chan
- Department of Obstetrics and Gynaecology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong Shenzhen Hospital, Shenzhen, China
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Choi JW, Kim SW, Kim HS, Kang MJ, Kim SA, Han JY, Kim H, Ku SY. Effects of Melatonin, GM-CSF, IGF-1, and LIF in Culture Media on Embryonic Development: Potential Benefits of Individualization. Int J Mol Sci 2024; 25:751. [PMID: 38255823 PMCID: PMC10815572 DOI: 10.3390/ijms25020751] [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: 11/21/2023] [Revised: 01/02/2024] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
The implantation of good-quality embryos to the receptive endometrium is essential for successful live birth through in vitro fertilization (IVF). The higher the quality of embryos, the higher the live birth rate per cycle, and so efforts have been made to obtain as many high-quality embryos as possible after fertilization. In addition to an effective controlled ovarian stimulation process to obtain high-quality embryos, the composition of the embryo culture medium in direct contact with embryos in vitro is also important. During embryonic development, under the control of female sex hormones, the fallopian tubes and endometrium create a microenvironment that supplies the nutrients and substances necessary for embryos at each stage. During this process, the development of the embryo is finely regulated by signaling molecules, such as growth factors and cytokines secreted from the epithelial cells of the fallopian tube and uterine endometrium. The development of embryo culture media has continued since the first successful human birth through IVF in 1978. However, there are still limitations to mimicking a microenvironment similar to the reproductive organs of women suitable for embryo development in vitro. Efforts have been made to overcome the harsh in vitro culture environment and obtain high-quality embryos by adding various supplements, such as antioxidants and growth factors, to the embryo culture medium. Recently, there has been an increase in the number of studies on the effect of supplementation in different clinical situations such as old age, recurrent implantation failure (RIF), and unexplained infertility; in addition, anticipation of the potential benefits from individuation is rising. This article reviews the effects of representative supplements in culture media on embryo development.
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Affiliation(s)
- Jung-Won Choi
- Laboratory of In Vitro Fertilization, Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul 03080, Republic of Korea; (J.-W.C.); (H.-S.K.); (M.-J.K.); (S.-A.K.)
| | - Sung-Woo Kim
- Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul 03080, Republic of Korea; (S.-W.K.); (J.-Y.H.); (H.K.)
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Hee-Sun Kim
- Laboratory of In Vitro Fertilization, Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul 03080, Republic of Korea; (J.-W.C.); (H.-S.K.); (M.-J.K.); (S.-A.K.)
| | - Moon-Joo Kang
- Laboratory of In Vitro Fertilization, Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul 03080, Republic of Korea; (J.-W.C.); (H.-S.K.); (M.-J.K.); (S.-A.K.)
| | - Sung-Ah Kim
- Laboratory of In Vitro Fertilization, Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul 03080, Republic of Korea; (J.-W.C.); (H.-S.K.); (M.-J.K.); (S.-A.K.)
| | - Ji-Yeon Han
- Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul 03080, Republic of Korea; (S.-W.K.); (J.-Y.H.); (H.K.)
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Hoon Kim
- Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul 03080, Republic of Korea; (S.-W.K.); (J.-Y.H.); (H.K.)
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Seung-Yup Ku
- Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul 03080, Republic of Korea; (S.-W.K.); (J.-Y.H.); (H.K.)
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
- Institute of Reproductive Medicine and Population, Medical Research Center, Seoul National University, Seoul 03080, Republic of Korea
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Scarpellini F, Sbracia M. Modification of peripheric Treg and CD56 brightNK levels in RIF women after egg donation, treated with GM-CSF or placebo. J Reprod Immunol 2023; 158:103983. [PMID: 37419075 DOI: 10.1016/j.jri.2023.103983] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/09/2023] [Accepted: 06/20/2023] [Indexed: 07/09/2023]
Abstract
Recurrent implantation failure (RIF) is defined as when implantation repeatedly failed to reach a stage recognizable by pelvic ultrasound in IVF cycle and it may be due to several causes. The GM-CSF is a cytokine promoting leukocyte growth and trophoblast development: we tested it to treat these patients in a pilot-controlled trial evaluating the modification of peripheric Treg and CD56brightNK levels after the treatment with this cytokine and in control patients affected by RIF after egg donation cycles. This study was performed on 24 RIF women after egg donation cycles. Single good quality blastocyst transfer was performed in the cycle object of this study. Patients were randomly assigned to two groups: 12 women treated with subcutaneous GM-CSF 0.3 mg/kg/daily from the day before embryo transfer to the β-hCG day, and 12 women treated with subcutaneous saline solution infusion as control. All patients were tested for Treg and CD56brightNK cell levels in blood circulation before and after treatment using flow-cytometry with specific antibodies. The two groups of patients were similar for epidemiologic characteristics, the ongoing pregnancy rate in the GM-CSF group was 83.3% whereas in the control group was 25.0% (P = 0.0123). In the study group there was a significative increase of Treg cells (P < 0.001) with respect to the levels before treatment and to control group. Instead, the levels of CD56brightNK did not show any significative variation. Our study showed that the treatment with GM-CSF increases the Treg cells in the peripheric blood.
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Marquardt RM, Ahn SH, Reske JJ, Chandler RL, Petroff MG, Kim TH, Jeong JW. Endometrial Epithelial ARID1A Is Required for Uterine Immune Homeostasis during Early Pregnancy. Int J Mol Sci 2022; 23:6067. [PMID: 35682747 PMCID: PMC9181301 DOI: 10.3390/ijms23116067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/13/2022] [Accepted: 05/24/2022] [Indexed: 12/14/2022] Open
Abstract
A growing body of work suggests epigenetic dysregulation contributes to endometriosis pathophysiology and female infertility. The chromatin remodeling complex subunit AT-rich interaction domain 1A (ARID1A) must be properly expressed to maintain normal uterine function. Endometrial epithelial ARID1A is indispensable for pregnancy establishment in mice through regulation of endometrial gland function; however, ARID1A expression is decreased in infertile women with endometriosis. We hypothesized that ARID1A performs critical operations in the endometrial epithelium necessary for fertility besides maintaining gland function. To identify alterations in uterine gene expression resulting from loss of epithelial ARID1A, we performed RNA-sequencing analysis on pre-implantation uteri from LtfiCre/+Arid1af/f and control mice. Differential expression analysis identified 4181 differentially expressed genes enriched for immune-related ingenuity canonical pathways including agranulocyte adhesion and diapedesis and natural killer cell signaling. RT-qPCR confirmed an increase in pro-inflammatory cytokine and macrophage-related gene expression but a decrease in natural killer cell signaling. Immunostaining confirmed a uterus-specific increase in macrophage infiltration. Flow cytometry delineated an increase in inflammatory macrophages and a decrease in uterine dendritic cells in LtfiCre/+Arid1af/f uteri. These findings demonstrate a role for endometrial epithelial ARID1A in suppressing inflammation and maintaining uterine immune homeostasis, which are required for successful pregnancy and gynecological health.
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Affiliation(s)
- Ryan M. Marquardt
- Department of Obstetrics, Gynecology and Reproductive Biology, Michigan State University, Grand Rapids, MI 49503, USA; (R.M.M.); (J.J.R.); (R.L.C.); (T.H.K.)
- Cell and Molecular Biology Program, College of Natural Science, Michigan State University, East Lansing, MI 48824, USA;
| | - Soo Hyun Ahn
- Department of Pathobiology and Diagnostic Investigation, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824, USA;
| | - Jake J. Reske
- Department of Obstetrics, Gynecology and Reproductive Biology, Michigan State University, Grand Rapids, MI 49503, USA; (R.M.M.); (J.J.R.); (R.L.C.); (T.H.K.)
| | - Ronald L. Chandler
- Department of Obstetrics, Gynecology and Reproductive Biology, Michigan State University, Grand Rapids, MI 49503, USA; (R.M.M.); (J.J.R.); (R.L.C.); (T.H.K.)
| | - Margaret G. Petroff
- Cell and Molecular Biology Program, College of Natural Science, Michigan State University, East Lansing, MI 48824, USA;
- Department of Pathobiology and Diagnostic Investigation, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824, USA;
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824, USA
| | - Tae Hoon Kim
- Department of Obstetrics, Gynecology and Reproductive Biology, Michigan State University, Grand Rapids, MI 49503, USA; (R.M.M.); (J.J.R.); (R.L.C.); (T.H.K.)
| | - Jae-Wook Jeong
- Department of Obstetrics, Gynecology and Reproductive Biology, Michigan State University, Grand Rapids, MI 49503, USA; (R.M.M.); (J.J.R.); (R.L.C.); (T.H.K.)
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Toullec L, Batteux F, Santulli P, Chouzenoux S, Jeljeli M, Belmondo T, Hue S, Chapron C. High Levels of Anti-GM-CSF Antibodies in Deep Infiltrating Endometriosis. Reprod Sci 2020; 27:211-217. [PMID: 32046390 DOI: 10.1007/s43032-019-00021-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 03/25/2019] [Indexed: 12/19/2022]
Abstract
Endometriosis is a chronic hormono-dependent inflammatory gynecological disease. Endometriosis can be subdivided into three forms: superficial peritoneal implants, endometrioma, and deep infiltrating endometriosis (DIE). Inflammation is a typical feature of endometriosis with overproduction of prostaglandins, chemokines, and cytokines, like granulocyte-macrophage colony-stimulating factor (GM-CSF). GM-CSF is a hematopoietic growth factor and immune modulator which belongs to the group of cytokines that actively participate in inflammatory reactions. GM-CSF autoantibodies (Ab) are described in inflammatory diseases such as Crohn disease and ulcerative colitis where high concentrations of anti-GM-CSF Ab are correlated with severity, complications, and relapses. We have evaluated the presence of anti-GM-CSF Ab in the serum of 106 patients with endometriosis and 92 controls using a home-made enzyme-linked immunosorbent assay (ELISA) and correlated the results with the form and severity of the disease. We found that anti-GM-CSF Ab level is significantly increased in the sera of patients with endometriosis compared to controls and is associated with the severity of the disease especially in patients with deep endometriosis (p < 0.0001) with the highest number of lesions (p = 0.0034), including digestive involvement (p = 0.0041). We also found a correlation between these levels of anti-GM-CSF Ab and the number of lesions in DIE patients (r = 0.913). In this way, searching anti-GM-CSF Ab in endometriosis patient sera could be of value for patient follow-up and put further insight into the role of inflammation and of GM-CSF in endometriosis pathogenesis.
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Affiliation(s)
- Laurie Toullec
- Department of Immunology, Cochin University Hospital, APHP, Paris, France.,Department of Immuno-hematology, Henri Mondor University Hospital, APHP, Créteil, France
| | - Frédéric Batteux
- Department of Immunology, Cochin University Hospital, APHP, Paris, France. .,INSERM U1016, Institut Cochin, Paris, France.
| | - Pietro Santulli
- Department of Gynecology Obstetrics II and Reproductive Medicine, Cochin University Hospital, Paris, France.,INSERM U1016, Institut Cochin, Paris, France
| | | | - Mohamed Jeljeli
- Department of Immunology, Cochin University Hospital, APHP, Paris, France.,INSERM U1016, Institut Cochin, Paris, France
| | - Thibaut Belmondo
- Department of Immuno-hematology, Henri Mondor University Hospital, APHP, Créteil, France
| | - Sophie Hue
- Department of Immuno-hematology, Henri Mondor University Hospital, APHP, Créteil, France.
| | - Charles Chapron
- Department of Gynecology Obstetrics II and Reproductive Medicine, Cochin University Hospital, Paris, France. .,INSERM U1016, Institut Cochin, Paris, France.
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Liu J, Ying Y, Wang S, Li J, Xu J, Lv P, Chen J, Zhou C, Liu Y, Wu Y, Huang Y, Chen Y, Chen L, Tu S, Zhao W, Yang M, Hu Y, Zhang R, Zhang D. The effects and mechanisms of GM-CSF on endometrial regeneration. Cytokine 2019; 125:154850. [PMID: 31557635 DOI: 10.1016/j.cyto.2019.154850] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 09/04/2019] [Accepted: 09/06/2019] [Indexed: 01/08/2023]
Abstract
BACKGROUND Endometrial injury can result in thin endometrium and subfertility. Granulocyte macrophage colony stimulating factor (GM-CSF) contributes to tissue repair, but its role in endometrial regeneration has not been investigated. METHODS To determine the effect of GM-CSF on endometrial regeneration, we established a mouse model of thin endometrium by uterine perfusion with 20 μL 90% ethanol. Thin endometrium in mice was featured by lowered endometrial thickness, decreased expression of Ki67 in glandular cells, and a reduced number of implantation sites. To explore the mechanism of GM-CSF on endometrial regeneration, endometrium was obtained from patients undergoing hysterectomy or hysteroscopy and endometrial biopsy. Effects of GM-CSF on primary cultured human endometrial glandular and stromal cells were examined by the 5-bromo-2'-deoxyuridine (BrdU) proliferation assay and transwell migration assay, followed by exploration of the potential signaling pathway. RESULTS GM-CSF intraperitoneal (i.p.) injection significantly increased endometrial thickness, expression of Ki67 in endometrial glandular cells, and the number of implantation sites. GM-CSF significantly promoted proliferation of primary human endometrial glandular cells and migration of stromal cells. GM-CSF activated p-Akt and increased expressions of p70S6K and c-Jun, which were blocked by LY294002. CONCLUSION We found that GM-CSF could improve endometrial regeneration, possibly through activating PI3K/Akt signaling pathway.
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Affiliation(s)
- Juan Liu
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China
| | - Yanyun Ying
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China
| | - Siwen Wang
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China
| | - Jingyi Li
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China
| | - Jinqun Xu
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China
| | - Pingping Lv
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China
| | - Jianhua Chen
- Department of Pathology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China
| | - Caiyun Zhou
- Department of Pathology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China
| | - Yifeng Liu
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China
| | - Yiqing Wu
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China
| | - Yun Huang
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China
| | - Yao Chen
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China
| | - Lifen Chen
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China; Huzhou Maternity & Child Care Hospital, PR China
| | - Shijiong Tu
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China; Ningbo Women & Children's Hospital, PR China
| | - Wei Zhao
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China
| | - Min Yang
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China
| | - Yanjun Hu
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China
| | - Runju Zhang
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China.
| | - Dan Zhang
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, PR China.
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Abdolmohammadi-Vahid S, Danaii S, Hamdi K, Jadidi-Niaragh F, Ahmadi M, Yousefi M. Novel immunotherapeutic approaches for treatment of infertility. Biomed Pharmacother 2016; 84:1449-1459. [DOI: 10.1016/j.biopha.2016.10.062] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Revised: 10/18/2016] [Accepted: 10/21/2016] [Indexed: 10/20/2022] Open
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Economou KA, Christopikou D, Tsorva E, Davies S, Mastrominas M, Cazlaris H, Koutsilieris M, Angelogianni P, Loutradis D. The combination of calcium ionophore A23187 and GM-CSF can safely salvage aged human unfertilized oocytes after ICSI. J Assist Reprod Genet 2016; 34:33-41. [PMID: 27743290 DOI: 10.1007/s10815-016-0823-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 09/27/2016] [Indexed: 11/30/2022] Open
Abstract
PURPOSE Artificial oocyte activation using calcium ionophores and enhancement of embryonic developmental potential by the granulocyte-macrophage colony-stimulating factor (GM-CSF) have already been reported. In this study, we evaluated the synergistic effect of these two methods on aged human unfertilized oocytes after intracytoplasmic sperm injection (ICSI). Then, we cultured the resulting embryos to the blastocyst stage and screened them for chromosomal abnormalities, to assess the safety of this protocol. METHODS Aged human oocytes deemed unfertilized after ICSI were activated, either by briefly applying the calcium ionophore A23187 alone (group A) or by briefly applying the ionophore and then supplementing the culture medium with recombinant human GM-CSF (rhGM-CSF) (group B). Next, the development was monitored in a time-lapse incubator system, and ploidy was analyzed by array comparative genomic hybridization (aCGH), after whole embryo biopsy and whole genome amplification. Differences between oocytes and resulting embryos in both groups were evaluated statistically. RESULTS Oocytes unfertilized after ICSI can be activated with the calcium ionophore A23187 to show two pronuclei and two polar bodies. Addition of rhGM-CSF in the culture medium of A23187-activated oocytes enhances their cleaving and blastulation potential and results in more euploid blastocysts compared to the culture medium alone. CONCLUSIONS This study shows that activating post-ICSI aged human unfertilized oocytes with a combination of a calcium ionophore and a cytokine can produce good-morphology euploid blastocysts.
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Affiliation(s)
- Konstantinos A Economou
- Embryogenesis, Assisted Reproduction Unit, 49 Kifissias Avenue and Ziridi Street, 151 23 Maroussi, Athens, Greece.
| | - Dimitra Christopikou
- Embryogenesis, Assisted Reproduction Unit, 49 Kifissias Avenue and Ziridi Street, 151 23 Maroussi, Athens, Greece
| | - Erika Tsorva
- Embryogenesis, Assisted Reproduction Unit, 49 Kifissias Avenue and Ziridi Street, 151 23 Maroussi, Athens, Greece
| | - Stephen Davies
- Embryogenesis, Assisted Reproduction Unit, 49 Kifissias Avenue and Ziridi Street, 151 23 Maroussi, Athens, Greece
| | - Minas Mastrominas
- Embryogenesis, Assisted Reproduction Unit, 49 Kifissias Avenue and Ziridi Street, 151 23 Maroussi, Athens, Greece
| | - Haris Cazlaris
- Embryogenesis, Assisted Reproduction Unit, 49 Kifissias Avenue and Ziridi Street, 151 23 Maroussi, Athens, Greece
| | - Michael Koutsilieris
- Department of Physiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Panagoula Angelogianni
- Department of Physiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Dimitris Loutradis
- First Department of Obstetrics and Gynaecology, School of Medicine, Alexandra University Hospital, National and Kapodistrian University of Athens, Athens, Greece
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GM-CSF and GM-CSF receptor have regulatory role in transforming rat mesenteric mesothelial cells into macrophage-like cells. Inflamm Res 2016; 65:827-36. [PMID: 27364613 DOI: 10.1007/s00011-016-0967-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Revised: 05/25/2016] [Accepted: 06/21/2016] [Indexed: 01/03/2023] Open
Abstract
OBJECTIVE AND DESIGN During peritonitis, mesothelial cells assume macrophage characteristics, expressing macrophage markers, indicating that they might differentiate into macrophage-like cells. MATERIALS AND SUBJECTS Twenty-five male rats were used for in vivo experiments. For in vitro experiments, a primary mesentery culture model was developed. The mesothelial cell to macrophage-like cell transition was followed by studying ED1 expression. TREATMENTS In vitro primary mesenteric culture was treated with granulocyte-macrophage colony-stimulating factor (GM-CSF, 1 ng/ml). Blocking internalization of receptor-ligand complex, Dynasore (80 µM) was used. Acute peritonitis was induced by Freund's adjuvant's (1 ml) intraperitoneal injection. RESULTS Immunohistochemistry: GM-CSF in vitro treatment resulted in a prominent ED1 expression in transformed mesothelial cells. Blocking the internalization, ED1 expression could not be detected. GM-CSF receptor (both α and β) was expressed in mesothelial cells in vitro (even if the GM-CSF was not present) and in vivo. Inflammation resulted in an increasing GM-CSF and GM-CSF-receptor level in the lysate of mesothelial cells. CONCLUSIONS Mesothelial cells can differentiate into macrophage-like cells, and GM-CSF, produced by the mesothelial cells, has probably an autocrine regulatory role in this transition. Our results provide new data about the plasticity of mesothelial cell and support the idea that during inflammation macrophages can derive from non-hematopoietic sources as well.
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Thiruchelvam U, Maybin JA, Armstrong GM, Greaves E, Saunders PTK, Critchley HOD. Cortisol regulates the paracrine action of macrophages by inducing vasoactive gene expression in endometrial cells. J Leukoc Biol 2016; 99:1165-71. [PMID: 26701134 PMCID: PMC4952012 DOI: 10.1189/jlb.5a0215-061rr] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2015] [Revised: 11/21/2015] [Accepted: 11/24/2015] [Indexed: 01/13/2023] Open
Abstract
The human endometrium undergoes inflammation and tissue repair during menstruation. We hypothesized that the local availability of bioactive glucocorticoids plays an important role in immune cell-vascular cell interactions in endometrium during tissue repair at menstruation, acting either directly or indirectly via tissue resident macrophages. We sought to determine whether endometrial macrophages are direct targets for glucocorticoids; whether cortisol-treated macrophages have a paracrine effect on angiogenic gene expression by endometrial endothelial cells; and whether endometrial macrophages express angiogenic factors. Human endometrium (n = 41) was collected with ethical approval and subject consent. Donor peripheral blood monocyte-derived macrophages were treated with estradiol, progesterone, or cortisol. The effect of peripheral blood monocyte-derived macrophage secretory products on the expression of angiogenic RNAs by endothelial cells was examined. Immunofluorescence was used to examine localization in macrophages and other endometrial cell types across the menstrual cycle. Endometrial macrophages express the glucocorticoid receptor. In vitro culture with supernatants from cortisol-treated peripheral blood monocyte-derived macrophages resulted in altered endometrial endothelial cell expression of the angiogenic genes, CXCL2, CXCL8, CTGF, and VEGFC These data highlight the importance of local cortisol in regulating paracrine actions of macrophages in the endometrium. CXCL2 and CXCL8 were detected in endometrial macrophages in situ. The expression of these factors was highest in the endometrium during the menstrual phase, consistent with these factors having a role in endometrial repair. Our data have indicated that activation of macrophages with glucocorticoids might have paracrine effects by increasing angiogenic factor expression by endometrial endothelial cells. This might reflect possible roles for macrophages in endometrial repair of the vascular bed after menstruation.
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Affiliation(s)
- Uma Thiruchelvam
- MRC Centre for Reproductive Health, The University of Edinburgh, The Queen's Medical Research Institute, Edinburgh, United Kingdom; and
| | - Jacqueline A Maybin
- MRC Centre for Reproductive Health, The University of Edinburgh, The Queen's Medical Research Institute, Edinburgh, United Kingdom; and
| | - Gregory M Armstrong
- MRC Centre for Reproductive Health, The University of Edinburgh, The Queen's Medical Research Institute, Edinburgh, United Kingdom; and
| | - Erin Greaves
- MRC Centre for Reproductive Health, The University of Edinburgh, The Queen's Medical Research Institute, Edinburgh, United Kingdom; and
| | - Philippa T K Saunders
- MRC Centre for Inflammation Research, The University of Edinburgh, The Queen's Medical Research Institute, Edinburgh, United Kingdom
| | - Hilary O D Critchley
- MRC Centre for Reproductive Health, The University of Edinburgh, The Queen's Medical Research Institute, Edinburgh, United Kingdom; and
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Wydooghe E, Vandaele L, Heras S, De Sutter P, Deforce D, Peelman L, De Schauwer C, Van Soom A. Autocrine embryotropins revisited: how do embryos communicate with each other in vitro when cultured in groups? Biol Rev Camb Philos Soc 2015; 92:505-520. [PMID: 26608222 DOI: 10.1111/brv.12241] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Revised: 10/15/2015] [Accepted: 10/21/2015] [Indexed: 01/10/2023]
Abstract
In the absence of the maternal genital tract, preimplantation embryos can develop in vitro in culture medium where all communication with the oviduct or uterus is absent. In several mammalian species, it has been observed that embryos cultured in groups thrive better than those cultured singly. Here we argue that group-cultured embryos are able to promote their own development in vitro by the production of autocrine embryotropins that putatively serve as a communication tool. The concept of effective communication implies an origin, a signalling agent, and finally a recipient that is able to decode the message. We illustrate this concept by demonstrating that preimplantation embryos are able to secrete autocrine factors in several ways, including active secretion, passive outflow, or as messengers bound to a molecular vehicle or transported within extracellular vesicles. Likewise, we broaden the traditional view that inter-embryo communication is dictated mainly by growth factors, by discussing a wide range of other biochemical messengers including proteins, lipids, neurotransmitters, saccharides, and microRNAs, all of which can be exchanged among embryos cultured in a group. Finally, we describe how different classes of messenger molecules are decoded by the embryo and influence embryo development by triggering different pathways. When autocrine embryotropins such as insulin-like growth factor-I (IGF-I) or platelet activating factor (PAF) bind to their appropriate receptor, the phosphatidylinositol-4,5-bisphosphate 3-kinase (PI3K) pathway will be activated which is important for embryo survival. On the other hand, the mitogen-activated protein kinase (MAPK) pathway is activated when compounds such as hyaluronic acid and serotonin bind to their respective receptors, thereby acting as growth factors. By activating the peroxisome-proliferator-activated receptor family (PPAR) pathway, lipophilic autocrine factors such as prostaglandins or fatty acids have both survival and anti-apoptotic functions. In conclusion, considering different types of messenger molecules simultaneously will be crucial to understanding more comprehensively how embryos communicate with each other in group-culture systems. This approach will assist in the development of novel media for single-embryo culture.
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Affiliation(s)
- Eline Wydooghe
- Department of Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, B-9820, Merelbeke, Belgium
| | - Leen Vandaele
- Animal Sciences Unit, Institute for Agricultural and Fisheries Research (ILVO), B-9090, Melle, Belgium
| | - Sonia Heras
- Department of Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, B-9820, Merelbeke, Belgium
| | - Petra De Sutter
- Department of Reproductive Medicine, University Hospital, Ghent University, B-9000, Ghent, Belgium
| | - Dieter Deforce
- Laboratory for Pharmaceutical Biotechnology, Ghent University, B-9000, Ghent, Belgium
| | - Luc Peelman
- Laboratory of Animal Genetics, Faculty of Veterinary Medicine, Ghent University, B-9820, Merelbeke, Belgium
| | - Catharina De Schauwer
- Department of Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, B-9820, Merelbeke, Belgium
| | - Ann Van Soom
- Department of Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, B-9820, Merelbeke, Belgium
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Thouas GA, Dominguez F, Green MP, Vilella F, Simon C, Gardner DK. Soluble ligands and their receptors in human embryo development and implantation. Endocr Rev 2015; 36:92-130. [PMID: 25548832 DOI: 10.1210/er.2014-1046] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Extensive evidence suggests that soluble ligands and their receptors mediate human preimplantation embryo development and implantation. Progress in this complex area has been ongoing since the 1980s, with an ever-increasing list of candidates. This article specifically reviews evidence of soluble ligands and their receptors in the human preimplantation stage embryo and female reproductive tract. The focus will be on candidates produced by the human preimplantation embryo and those eliciting developmental responses in vitro, as well as endometrial factors related to implantation and receptivity. Pathways to clinical translation, including innovative diagnostics and other technologies, are also highlighted, drawing from this collective evidence toward facilitating joint improvements in embryo quality and endometrial receptivity. This strategy could not only benefit clinical outcomes in reproductive medicine but also provide broader insights into the peri-implantation period of human development to improve fetal and neonatal health.
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Affiliation(s)
- George A Thouas
- Reproductive Biology and Assisted Conception Laboratory (G.A.T., M.P.G., D.K.G.), School of Biosciences, The University of Melbourne, Melbourne, Victoria, Australia 3010; Fundación Instituto Valenciano de Infertilidad (F.D., F.V., C.S.), Department of Obstetrics and Gynecology, University of Valencia, 46010, Valencia, Spain; La Fundación para la Investigación del Hospital Clínico de la Comunidad Valenciana Health Research Institute (F.D., F.V., C.S.), 46010 Valencia, Spain; and Department of Obstetrics and Gynecology (C.S.), Stanford University, Stanford, California 90095
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Proliferation-stimulating effect of colony stimulating factor 2 on porcine trophectoderm cells is mediated by activation of phosphatidylinositol 3-kinase and extracellular signal-regulated kinase 1/2 mitogen-activated protein kinase. PLoS One 2014; 9:e88731. [PMID: 24520418 PMCID: PMC3919804 DOI: 10.1371/journal.pone.0088731] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2013] [Accepted: 01/09/2014] [Indexed: 11/23/2022] Open
Abstract
Colony-stimulating factor 2 (CSF2), also known as granulocyte macrophage colony-stimulating factor, facilitates mammalian embryonic development and implantation. However, biological functions and regulatory mechanisms of action of porcine endometrial CSF2 in peri-implantation events have not been elucidated. The aim of present study was to determine changes in cellular activities induced by CSFs and to access CSF2-induced intracellular signaling in porcine primary trophectoderm (pTr) cells. Differences in expression of CSF2 mRNA in endometrium from cyclic and pregnant gilts were evaluated. Endometrial CSF2 mRNA expression increases during the peri-implantation period, Days 10 to 14 of pregnancy, as compared to the estrous cycle. pTr cells obtained in Day 12 of pregnancy were cultured in the presence or absence of CSF2 (20 ng/ml) and LY294002 (20 µM), U0126 (20 µM), rapamycin (20 nM), and SB203580 (20 µM). CSF2 in pTr cell culture medium at 20 ng/ml significantly induced phosphorylation of AKT1, ERK1/2, MTOR, p70RSK and RPS6 protein, but not STAT3 protein. Also, the PI3K specific inhibitor (LY294002) abolished CSF2-induced increases in p-ERK1/2 and p-MTOR proteins, as well as CSF2-induced phosphorylation of AKT1. Changes in proliferation and migration of pTr cells in response to CSF2 were examined in dose- and time-response experiments. CSF2 significantly stimulated pTr cell proliferation and, U0126, rapamycin and LY294002 blocked this CSF2-induced proliferation of pTr cells. Collectively, during the peri-implantation phase of pregnancy in pigs, endometrial CSF2 stimulates proliferation of trophectoderm cells by activation of the PI3K-and ERK1/2 MAPK-dependent MTOR signal transduction cascades.
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Evans J, Salamonsen LA. Decidualized human endometrial stromal cells are sensors of hormone withdrawal in the menstrual inflammatory cascade. Biol Reprod 2014; 90:14. [PMID: 24227758 DOI: 10.1095/biolreprod.113.108175] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
Menstruation is a complex process dependent on premenstrual release of inflammatory mediators and proteolytic enzymes from endometrial cells. Endometrial leukocytes are traditionally considered to be the major source of the inflammatory factors. However, evidence is emerging to suggest a role for decidualized endometrial stromal cells in the premenstrual inflammatory cascade. We sought to determine if withdrawal of hormone support (estrogen and progesterone) from decidualized endometrial stromal cells, in a model mimicking the precise timing leading to menstruation, activated inflammatory signaling pathways and downstream release of inflammatory mediators. Human endometrial stromal cells decidualized gradually over 12 days of estradiol and progestin treatment as evidenced by an increase in prolactin secretion. Withdrawal of hormone support from decidualized stromal cells resulted in a decrease in cytoplasmic IkappaB and a progressive increase in nuclear accumulation of NF-kappaB, as demonstrated by Western immunoblot and immunocytochemical analyses. Concomitant with nuclear translocation of NF-kappaB, hormone withdrawal led to production of a host of inflammatory mediators by the decidualized stromal cells, including IFN-alpha, IL-6, CCL11, GM-CSF, CCL2, IL1-RA, CXCL10, CXCL8, IL-12, IL-15, VEGF, and CCL5. Elevation of inflammatory mediators was not observed, however, upon hormone withdrawal in cells treated with the NF-kappaB inhibitor BAY 11-7085. Decidualized stromal cells are likely highly sensitive sensors of changing hormone levels. This provides a mechanism by which decidualized stromal cells may recruit inflammatory leukocytes into the premenstrual endometrium and contribute to the intense inflammation underlying this unique physiological process.
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Affiliation(s)
- Jemma Evans
- Prince Henry's Institute, Clayton, Victoria, Australia
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15
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Amjadi F, Salehi E, Mehdizadeh M, Aflatoonian R. Role of the innate immunity in female reproductive tract. Adv Biomed Res 2014; 3:1. [PMID: 24592358 PMCID: PMC3928842 DOI: 10.4103/2277-9175.124626] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2013] [Accepted: 07/10/2013] [Indexed: 02/06/2023] Open
Abstract
The mucosal immune system in the female reproductive tract (FRT) is well equipped to meet the sexually transmitted pathogens, allogeneic sperm, and the immunologically distinct fetus. Analysis of the FRT indicates that epithelial cells provide a physical barrier against pathogens and microbial infections as well as secretions containing anti-microbial peptides, cytokines, and chemokines which recruit and activate immune cells. Epithelial and immune cells confer protection in part through Toll-like receptors. The aim of this literature is to review the diverse components of the innate immune system, contributing to an exclusive protection system throughout the FRT.
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Affiliation(s)
- Fatemehsadat Amjadi
- Applied Physiology Research Center and Department of Physiology, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Anatomy, Tehran University of Medical Science, Tehran, Iran
| | - Ensieh Salehi
- Department of Anatomy, Tehran University of Medical Science, Tehran, Iran
| | - Mehdi Mehdizadeh
- Department of Anatomy, Cellular and Molecular Research Center, Iran University of Medical Science, Iran
| | - Reza Aflatoonian
- Department of Endocrinology and Female Infertility at Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
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Ziebe S, Loft A, Povlsen BB, Erb K, Agerholm I, Aasted M, Gabrielsen A, Hnida C, Zobel DP, Munding B, Bendz SH, Robertson SA. A randomized clinical trial to evaluate the effect of granulocyte-macrophage colony-stimulating factor (GM-CSF) in embryo culture medium for in vitro fertilization. Fertil Steril 2013; 99:1600-9. [DOI: 10.1016/j.fertnstert.2012.12.043] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2012] [Revised: 12/10/2012] [Accepted: 12/26/2012] [Indexed: 10/27/2022]
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Van Sinderen M, Menkhorst E, Winship A, Cuman C, Dimitriadis E. Preimplantation human blastocyst-endometrial interactions: the role of inflammatory mediators. Am J Reprod Immunol 2012; 69:427-40. [PMID: 23176081 DOI: 10.1111/aji.12038] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2012] [Accepted: 10/15/2012] [Indexed: 01/24/2023] Open
Abstract
Immune factors such as cytokines, chemokines, and growth factors are known to play important roles in the preimplantation interactions and communication between the blastocyst and receptive endometrium. This crucial dialog occurs during the stages when the blastocyst is in the uterine cavity immediately preceding implantation and the establishment of pregnancy. Human preimplantation processes are difficult to study due to restrictions on tissue availability. This review focuses on the expression and role of immune factors in human blastocyst-endometrial dialog during the very early stages of implantation. It highlights the importance of immune regulators and the need to develop new models to study human implantation.
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18
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Gleicher N, Kim A, Michaeli T, Lee HJ, Shohat-Tal A, Lazzaroni E, Barad DH. A pilot cohort study of granulocyte colony-stimulating factor in the treatment of unresponsive thin endometrium resistant to standard therapies. Hum Reprod 2012; 28:172-7. [PMID: 23081869 DOI: 10.1093/humrep/des370] [Citation(s) in RCA: 102] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
STUDY QUESTION Is thin endometrium unresponsive to standard treatments expandable by intrauterine perfusion with granulocyte colony-stimulating factor (G-CSF)? SUMMARY ANSWER This cohort study is supportive of the effectiveness of G-CSF in expanding chronically unresponsive endometria. WHAT IS KNOWN ALREADY In a previous small case series, we reported the successful off-label use of G-CSF in four consecutive patients, who had previously failed to expand their endometria beyond 6.9 mm with the use of standard treatments. STUDY DESIGN, SIZE AND DURATION In a prospective observational cohort pilot study over 18 months, we described 21 consecutive infertile women with endometria <7 mm on the day of hCG administration in their first IVF cycles at our center. All previous cycles using traditional treatments with estradiol, sildenafil citrate (Viagra™) and/or beta-blockers had been unsuccessful. G-CSF (Nupogen™) was administered per intrauterine catheter by slow infusion before noon on the day of hCG administration. If the endometrium had not reached at least a 7-mm within 48h, a second infusion was given following oocyte retrieval. Primary and secondary main outcomes were an increase in endometrial thickness and clinical pregnancy, respectively. Endometrial thickness was assessed by vaginal ultrasound at the most expanded area of the endometrial stripe. PARTICIPANTS/MATERIALS, SETTINGS AND METHOD This study was uncontrolled, each patient serving as her own control in a prospective evaluation of endometrial thickness. The mean ± SD age of the cohort was 40.5 ± 6.6 years, gravidity was 1.8 ± 2.1 (range 0-7) and parity was 0.4 ± 1.1 (range 0-4); 76.2% of women had, based on age-specific FSH and anti-Müllerian hormone, an objective diagnosis of diminished ovarian reserve and had failed 2.0 ± 2.1 prior IVF cycles elsewhere. MAIN RESULTS AND THE ROLE OF CHANCE With 5.2 ± 1.9 days between G-CSF perfusions and embryo transfers, endometrial thickness increased from 6.4 ± 1.4 to 9.3 ± 2.1 mm (P < 0.001). The Δ in change was 2.9 ± 2.0 mm, and did not vary between conception and non-conception cycles. A 19.1% ongoing clinical pregnancy rate was observed, excluding one ectopic pregnancy. LIMITATIONS AND REASONS FOR CAUTION Small sample size (but a highly selected patient population) in an uncontrolled cohort study and in unselected first IVF cycles at our center. WIDER IMPLICATIONS OF THE FINDINGS This pilot study supports the utility of G-CSF in the treatment of chronically thin endometrium and suggests that such treatment will, in very adversely affected patients, result in low but very reasonable clinical pregnancy rates. STUDY FUNDING/COMPETING INTEREST(S) This work was supported by the Foundation for Reproductive Medicine, New York, New York, USA, a not-for-profit research foundation and intramural grants from the Center for Human Reproduction (CHR)-New York. N.G. and D.H.B. are members of the board of the Foundation for Reproductive Medicine. N.G. is owner of CHR-New York, where the study was conducted. N.G. and D.H.B. have been recipients of research awards, travel grants and speaker honoraria from various pharmaceutical and medical device companies. None of these companies was, however, in any way associated with the materials and the manuscript presented here. N.G. and D.H.B. are listed as co-inventors on a number of awarded and still pending U.S. patents, none related to the materials presented here. N.G. is on the board of a medically related company, not in any way associated with the data presented here.
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Affiliation(s)
- N Gleicher
- The Center for Human Reproduction, New York and the Foundation for Reproductive Medicine, New York, NY 10021, USA.
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Abstract
Despite the fact that the fundamental principle underlying the most common method of culture media constitution is that of mimicking the natural environment of the preimplantation embryo, one major difference that remains between current embryo culture media and in vivo conditions is the absence of growth factors in vitro. Numerous growth factors are known to be present in the in vivo environment of human and nonhuman preimplantation embryos, often with peak concentrations corresponding to when fertilization and preimplantation embryo growth would occur. Although these growth factors are found in very small concentrations, they have a profound effect on tissue growth and differentiation through attachment to factor-specific receptors on cell surfaces. Receptors for many different growth factors have also been detected in human preimplantation embryos. Preimplantation embryos themselves express many growth factors. The growth factors and receptors are metabolically costly to produce, and thus their presence in the environment of the preimplantation embryo and in the embryo respectively strongly implies that embryos are designed to encounter and respond to the corresponding factors. Studies of embryo coculture also indirectly suggest that growth factors can improve in vitro development. Several animal and human studies attest to a probable beneficial effect of addition of growth factors to culture media. However, there is still ambiguity regarding the exact role of growth factors in embryonic development, the optimal dose of growth factors to be added to culture media, the combinatorial effect and endocrine of growth factors in embryonic development.
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Affiliation(s)
- Aparna Hegde
- Department of OB/GYN, Division of Reproductive Endocrinology and Infertility, Stanford University, Stanford, CA, USA
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Paiva P, Hannan NJ, Hincks C, Meehan KL, Pruysers E, Dimitriadis E, Salamonsen LA. Human chorionic gonadotrophin regulates FGF2 and other cytokines produced by human endometrial epithelial cells, providing a mechanism for enhancing endometrial receptivity. Hum Reprod 2011; 26:1153-62. [DOI: 10.1093/humrep/der027] [Citation(s) in RCA: 115] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Moldenhauer LM, Keenihan SN, Hayball JD, Robertson SA. GM-CSF is an essential regulator of T cell activation competence in uterine dendritic cells during early pregnancy in mice. THE JOURNAL OF IMMUNOLOGY 2010; 185:7085-96. [PMID: 20974989 DOI: 10.4049/jimmunol.1001374] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Uterine dendritic cells (DCs) are critical for activating the T cell response mediating maternal immune tolerance of the semiallogeneic fetus. GM-CSF (CSF2), a known regulator of DCs, is synthesized by uterine epithelial cells during induction of tolerance in early pregnancy. To investigate the role of GM-CSF in regulating uterine DCs and macrophages, Csf2-null mutant and wild-type mice were evaluated at estrus, and in the periconceptual and peri-implantation periods. Immunohistochemistry showed no effect of GM-CSF deficiency on numbers of uterine CD11c(+) cells and F4/80(+) macrophages at estrus or on days 0.5 and 3.5 postcoitum, but MHC class II(+) and class A scavenger receptor(+) cells were fewer. Flow cytometry revealed reduced CD80 and CD86 expression by uterine CD11c(+) cells and reduced MHC class II in both CD11c(+) and F4/80(+) cells from GM-CSF-deficient mice. CD80 and CD86 were induced in Csf2(-/-) uterine CD11c(+) cells by culture with GM-CSF. Substantially reduced ability to activate both CD4(+) and CD8(+) T cells in vivo was evident after delivery of OVA Ag by mating with Act-mOVA males or transcervical administration of OVA peptides. This study shows that GM-CSF regulates the efficiency with which uterine DCs and macrophages activate T cells, and it is essential for optimal MHC class II- and class I-mediated indirect presentation of reproductive Ags. Insufficient GM-CSF may impair generation of T cell-mediated immune tolerance at the outset of pregnancy and may contribute to the altered DC profile and dysregulated T cell tolerance evident in infertility, miscarriage, and preeclampsia.
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Affiliation(s)
- Lachlan M Moldenhauer
- Research Centre for Reproductive Health, School of Paediatrics and Reproductive Health, University of Adelaide, Adelaide, Australia
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Huang SJ, Zenclussen AC, Chen CP, Basar M, Yang H, Arcuri F, Li M, Kocamaz E, Buchwalder L, Rahman M, Kayisli U, Schatz F, Toti P, Lockwood CJ. The implication of aberrant GM-CSF expression in decidual cells in the pathogenesis of preeclampsia. THE AMERICAN JOURNAL OF PATHOLOGY 2010; 177:2472-82. [PMID: 20829438 DOI: 10.2353/ajpath.2010.091247] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Preeclampsia is characterized by an exaggerated systemic inflammatory state as well as shallow placentation. In the decidual implantation site, preeclampsia is accompanied by an excessive number of both macrophages and dendritic cells as well as their recruiting chemokines, which have been implicated in the impairment of endovascular trophoblast invasion. Granulocyte-macrophage colony-stimulating factor is known to regulate the differentiation of both macrophages and dendritic cells, prompting both in vivo and in vitro evaluation of granulocyte-macrophage colony-stimulating factor expression in human decidua as well as in a mouse model of preeclampsia. This study revealed increased granulocyte-macrophage colony-stimulating factor expression levels in preeclamptic decidua. Moreover, both tumor necrosis factor-α and interleukin-1 β, cytokines that are implicated in the genesis of preeclampsia, markedly up-regulated granulocyte-macrophage colony-stimulating factor production in cultured first-trimester human decidual cells. The conditioned media of these cultures promoted the differentiation of both macrophages and dendritic cells from a monocyte precursor. Evaluation of a murine model of preeclampsia revealed that the decidua of affected animals displayed higher levels of immunoreactive granulocyte-macrophage colony-stimulating factor as well as increased numbers of both macrophages and dendritic cells when compared to control animals. Because granulocyte-macrophage colony-stimulating factor is a potent inducer of differentiation and activation of both macrophages and dendritic cells, these findings suggest that this factor plays a crucial role in the pathogenesis of preeclampsia.
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Affiliation(s)
- S Joseph Huang
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, 333 Cedar Street, P.O. Box 208063, New Haven, CT 06520-8063, USA.
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Agerholm I, Loft A, Hald F, Lemmen JG, Munding B, Sørensen PD, Ziebe S. Culture of human oocytes with granulocyte-macrophage colony-stimulating factor has no effect on embryonic chromosomal constitution. Reprod Biomed Online 2010; 20:477-84. [DOI: 10.1016/j.rbmo.2009.12.026] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2009] [Revised: 07/20/2009] [Accepted: 11/30/2009] [Indexed: 11/29/2022]
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The importance of growth factors for preimplantation embryo development and in-vitro culture. Curr Opin Obstet Gynecol 2008; 20:292-304. [PMID: 18460945 DOI: 10.1097/gco.0b013e3282fe743b] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
PURPOSE OF REVIEW The present paper reviews evidence that preimplantation embryos are naturally exposed and designed to respond to growth factors during preimplantation development. RECENT FINDINGS Recent studies have demonstrated that in-vivo human preimplantation embryos are exposed to a mixture of many different growth factors, expressed by the follicles, oviducts and endometrium. Receptors for many of these growth factors have also been shown to be expressed by preimplantation embryos, suggesting a functional role during preimplantation development. Studies of in-vitro fertilization in both animals and humans indicate that in-vitro culture of embryos in conventional media lacking growth factors can result in suboptimal growth and a variety of short-term and long-term developmental abnormalities. Studies of embryo coculture indirectly suggest that growth factors can improve in-vitro development. Many studies of defined growth factor supplements demonstrate that their inclusion in culture media can substantially improve preimplantation development and efficacy of in-vitro fertilization, and may reduce long-term developmental abnormalities as well. SUMMARY Embryos are naturally exposed to a complex mixture of growth factors that play an important role in preimplantation embryo development and that are likely to be of substantial benefit if added to in-vitro culture media.
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Nelson SM, Greer IA. The potential role of heparin in assisted conception. Hum Reprod Update 2008; 14:623-45. [DOI: 10.1093/humupd/dmn031] [Citation(s) in RCA: 103] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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Nagamatsu T, Fujii T, Matsumoto J, Kanai T, Hyodo H, Yamashita T, Kozuma S, Taketani Y. Theoretical Basis for Herbal Medicines, Tokishakuyaku-San and Sairei-To, in the Treatment of Recurrent Abortion: Enhancing the Production of Granulocyte?Macrophage Colony-Stimulating Factor in Decidual Stromal Cells. Am J Reprod Immunol 2007; 57:287-93. [PMID: 17362390 DOI: 10.1111/j.1600-0897.2007.00476.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
PROBLEM To get insight into the basis for the empirical usage of herbal medicines, such as Tokishakuyaku-san (Toki) and Sairei-to (Sai) in the treatment of recurrent abortion and intrauterine growth restriction, we examined whether these medicines modulate the production of granulocyte-macrophage colony-stimulating factor (GM-CSF), a cytokine working as an important mediator for intercellular communication in the embryonic development, in decidual stromal cells (DSCs). METHOD OF STUDY Human DSCs were cultured with either Toki or Sai at several different concentrations. The effect on cell proliferation was assessed by WST-8 assay. GM-CSF released into culture medium was analyzed using enzyme-linked immunosorbent assay, and semi-quantitative polymerase chain reaction was carried out to see GM-CSF mRNA expression in DSCs. RESULTS Sai inhibited the proliferation of cultured DSCs, while no interference was observed in the presence of Toki. Both Toki and Sai enhanced the release of GM-CSF into culture medium. The amount of GM-CSF mRNA in cultured DSCs was as well increased by either Toki or Sai. CONCLUSION Considering the significance of GM-CSF in embryonic development, clinical benefit of these herbal medicines in the treatment of recurrent abortion might be based on the shown pharmacological reaction related to GM-CSF.
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Affiliation(s)
- Takeshi Nagamatsu
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
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Wang H, Wen Y, Polan ML, Boostanfar R, Feinman M, Behr B. Regulation of cyclooxygenase activity in cultured endometrial stromal cells by granulocyte-macrophage colony-stimulating factor. Fertil Steril 2006; 85 Suppl 1:1118-24. [PMID: 16616083 DOI: 10.1016/j.fertnstert.2005.09.040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2005] [Revised: 09/27/2005] [Accepted: 09/27/2005] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To assess the ability of granulocyte-macrophage colony-stimulating factor (GM-CSF) to regulate cyclooxygenase (COX) enzyme activity and prostaglandins (PGs) synthesis, specifically PGE2 production in stromal cells, neither of which have been addressed in the literature. DESIGN Prospective study. SETTING Department of obstetrics and gynecology at a university hospital. PATIENT(S) Human luteal phase endometrium was obtained from surgical specimens (n = 6) for clinical indications. INTERVENTION(S) Confluent stromal cells were stimulated with GM-CSF. MAIN OUTCOME MEASURE(S) Expression of COX mRNA, COX enzyme activity, and PGE2 level in cultured stromal cells. RESULT(S) Confluent stromal cell cultures treated with P and E2 for 9 days were stimulated with GM-CSF. After treatment of 12 hours, low-dose GM-CSF (0.001-0.1 ng/mL) increased COX-2 mRNA levels in stromal cell, whereas high dose GM-CSF (1-100 ng/mL) decreased COX-1 and COX-2 mRNA levels. After treatment of 48 hours, low concentrations of GM-CSF (0.001-0.1 ng/mL) increased total COX and COX-2 enzyme activity, whereas high concentrations of GM-CSF (1-100 ng/mL) inhibited COX and COX-2 activity; The PGE2 levels decreased by 31% to 393.3 pg/mL (P < .05) with concentrations of GM-CSF increasing from 1 ng/mL to 100 ng/mL. CONCLUSION(S) There appeared to be a biphasic pattern of COX-2 enzyme response to GM-CSF with low concentrations increasing activity and high concentrations inhibiting activity. It is possible that GM-CSF may provide critical regulation of PG production in the preimplantation period.
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Affiliation(s)
- Hongbo Wang
- Huntington Reproductive Center, Westlake Village, California 91361, USA.
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Wira CR, Fahey JV, Sentman CL, Pioli PA, Shen L. Innate and adaptive immunity in female genital tract: cellular responses and interactions. Immunol Rev 2005; 206:306-35. [PMID: 16048557 DOI: 10.1111/j.0105-2896.2005.00287.x] [Citation(s) in RCA: 363] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The mucosal immune system in the female reproductive tract (FRT) has evolved to meet the unique requirements of dealing with sexually transmitted bacterial and viral pathogens, allogeneic spermatozoa, and the immunologically distinct fetus. Analysis of the FRT indicates that the key cells of the innate and adaptive immune systems are present and functionally responsive to antigens. Acting through Toll-like receptors in the Fallopian tubes, uterus, cervix, and in the vagina, epithelial cells, macrophages, natural killer cells, and neutrophils confer protection through the production of chemokines and cytokines, which recruit and activate immune cells, as well as bactericidal and virucidal agents, which confer protection at times when adaptive immunity is downregulated by sex hormones to meet the constraints of procreation. The overall goal of this paper is to define the innate immune system in the FRT and, where possible, to define the regulatory influences that occur during the menstrual cycle that contribute to protection from and susceptibility to potential pathogens. By understanding the nature of this protection and the ways in which innate and adaptive immunity interact, these studies provide the opportunity to contribute to the foundation of information essential for ensuring reproductive health.
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Affiliation(s)
- Charles R Wira
- Department of Physiology, Dartmouth Medical School, Lebanon, NH 03756, USA.
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Dimitriadis E, White CA, Jones RL, Salamonsen LA. Cytokines, chemokines and growth factors in endometrium related to implantation. Hum Reprod Update 2005; 11:613-30. [PMID: 16006437 DOI: 10.1093/humupd/dmi023] [Citation(s) in RCA: 347] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The complexity of the events of embryo implantation and placentation is exemplified by the number and range of cytokines with demonstrated roles in these processes. Disturbance of the normal expression or action of these cytokines results in complete or partial failure of implantation and abnormal placental formation in mice or humans. Of known importance are members of the gp130 family such as interleukin-11 (IL-11) and leukaemia inhibitory factor (LIF), the transforming growth factor beta (TGFbeta) superfamily including the activins, the colony-stimulating factors (CSF), the IL-1 system and IL-15 system. New data are also emerging for roles for a number of chemokines (chemoattractive cytokines) both in recruiting specific cohorts of leukocytes to implantation sites and in trophoblast differentiation and trafficking. This review focuses on those cytokines and chemokines whose expression pattern in the human endometrium is consistent with a potential role in implantation and placentation and for which some relevant actions are known. It examines what is known of their regulation and action along with alterations in clinically relevant situations.
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Affiliation(s)
- E Dimitriadis
- Prince Henry's Institute of Medical Research, P.O. Box 5152, Clayton, Victoria 3168, Australia.
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Emiliani S, Delbaere A, Devreker F, Englert Y. Embryo-maternal interactive factors regulating the implantation process: implications in assisted reproductive. Reprod Biomed Online 2005; 10:527-40. [PMID: 15901462 DOI: 10.1016/s1472-6483(10)60831-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The embryo-maternal dialogue that starts very early in the life of the embryo is crucial for its own implantation. A disturbance in this dialogue is the major reason for which 60% of all pregnancies are terminated at the end of the periimplantation period. Many studies have been performed to improve the understanding of the molecular mechanisms involved in this dialogue. Both partners, the mother and the embryo, are equally involved in this exchange of signals. Much progress has been done in understanding the role of (i) chorionic gonadotrophin, (ii) growth factors and cytokines, and (iii) steroid hormones and other mediators, produced either by the embryo, by the mother, or by both, during the peri-implantation period. Today it is clear that their production dictates changes in the endometrium, in the immunological system of the mother and in embryo metabolism, that enable the embryo to implant. Knowledge of the molecular mechanisms involved in the embryo-maternal interaction are reviewed in this article.
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Emond V, MacLaren LA, Kimmins S, Arosh JA, Fortier MA, Lambert RD. Expression of Cyclooxygenase-2 and Granulocyte-Macrophage Colony-Stimulating Factor in the Endometrial Epithelium of the Cow Is Up-Regulated During Early Pregnancy and in Response to Intrauterine Infusions of Interferon-τ1. Biol Reprod 2004; 70:54-64. [PMID: 13679318 DOI: 10.1095/biolreprod.103.018689] [Citation(s) in RCA: 74] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
On the basis of results obtained in vitro, we previously proposed a model in which signals from the conceptus, namely interferon-tau (IFN-tau) and prostaglandin E2, increase the expression of cyclooxygenase (COX)-2 or granulocyte-macrophage colony-stimulating factor (GM-CSF) in immune and nonimmune cells of the bovine endometrium. Two experiments were conducted to verify the validity of this hypothesis in vivo. In experiment 1, the in vivo expression of COX-2 and GM-CSF during early pregnancy was monitored. Uteri from heifers were collected at different days (d) of the estrous cycle and pregnancy (P). In experiment 2, the effects of intrauterine infusions of IFN-tau on the expression of COX-2 and GM-CSF were analyzed. Immunohistochemistry was performed on uterine sections, and image analysis was used to evaluate the staining intensity in the conceptus, the luminal epithelium (LE), and the subepithelial stroma. In experiment 1, staining for COX-2 was maximal between d18P and d24P, both in the LE and in the conceptus, whereas staining for GM-CSF reached a plateau between d18P and d30P in the LE. In experiment 2, in response to IFN-tau, COX-2 was up-regulated in the LE of the ipsilateral horn, whereas GM-CSF was enhanced in both uterine horns. The current report supports the view that the conceptus, through its secretion of IFN-tau, stimulates maternal epithelial expression of COX-2 and GM-CSF during the peri-attachment period in the cow.
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Affiliation(s)
- Vincent Emond
- Unité de Recherche en Ontogénie et Reproduction, Centre de Recherche du Centre Hospitalier de l'Université Laval, Quebec, Canada
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Cheng TC, Huang CC, Chen CI, Liu CH, Hsieh YS, Huang CY, Lee MS, Liu JY. Leukemia inhibitory factor antisense oligonucleotide inhibits the development of murine embryos at preimplantation stages. Biol Reprod 2003; 70:1270-6. [PMID: 14695905 DOI: 10.1095/biolreprod.103.023283] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
Leukemia inhibitory factor (LIF) is an essential factor for implantation and establishment of pregnancy. However, its role in the development of preimplantation embryos remains controversial. In this study, changes in preimplantation embryos were determined after microinjection of LIF antisense oligonucleotide at the two-pronucleus stage. Although no significant differences were found in the percentages between the untreated group and the 0.25-fmol-treated group, the 0.5- or 1.0-fmol-treated groups had significantly lower percentages of embryos developed to the morula or blastocyst stage and the 2.0-fmol-treated group had significantly lower percentages of embryos developed to the four-cell, morula, or blastocyst stage. No embryos developed to the four-cell stage in the 4.0-fmol-treated group. Moreover, there was a decreasing trend in the levels of LIF immunoactivity with the increasing amount of LIF antisense oligonucleotide injected. The diameter of blastocysts in the 2.0-fmol-treated group was significantly smaller than that in the untreated group. The blastocysts in this group had significantly lower numbers of blastomeres and cells in the inner cell mass (ICM) or trophectoderm (TE) and ICM:TE ratio. The 1.0- or 2.0-fmol-treated groups had significantly lower implantation rates than their corresponding control groups. In the 2.0-fmol groups with supplementing exogenous LIF, significantly lower percentages were also observed in the four-cell, morula, and blastocyst stages. However, blastocysts treated with 50 ng/ml LIF had a significantly higher percentage than those in the LIF gene-impaired group without LIF supplement. These results indicate that LIF is a critical factor for the normal development of embryos at the preimplantation stages.
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Affiliation(s)
- Tzu-Chun Cheng
- Institute of Biochemistry, College of Medicine, Chung-Shan Medical University, Taichung 402, Taiwan, Republic of China
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Borojevic R, Carvalho MA, Corrêa-Junior JD, Arcanjo K, Gomes L, Joazeiro PP, Balduino A, Wettreich A, Coelho-Sampaio T. Stroma-mediated granulocyte-macrophage colony-stimulating factor (GM-CSF) control of myelopoiesis: spatial organisation of intercellular interactions. Cell Tissue Res 2003; 313:55-62. [PMID: 12827492 DOI: 10.1007/s00441-003-0726-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2003] [Accepted: 03/25/2003] [Indexed: 11/27/2022]
Abstract
Granulocyte-macrophage colony-stimulating factor (GM-CSF) is one of the major cytokines involved in control of haemopoiesis both in bone marrow and in extramedullar sites. Its biological activity depends upon the composition and physicochemical properties of the microenvironment provided by the supporting stroma. GM-CSF activity is modulated and controlled by the stromal heparan-sulphate proteoglycans, but their optimal interaction occurs only at low pH. We questioned whether the microenvironment organisation of the interface between stroma and haemopoietic cells provides such conditions. We studied myeloid progenitor proliferation in contact with bone marrow-derived and extramedullar stromas using electron microscopy and selective labelling of pericellular components. We present evidence that, upon interaction, the two cell types reorganise their interface both in shape and molecular composition. Haemopoietic cells extend projections that considerably increase the area of intercellular contact, and stromal cells form lamellipodia and carry out a redistribution of membrane-associated sialylated glycoconjugates and proteoglycans. Such rearrangements lead to extensive capping of negatively charged molecules at the interface between the supporting stroma and the haemopoietic cells, leading potentially to a local decrease in pH. Our results indicate that the distribution of negative charges at the cellular interface may be responsible for the selectivity of cell response to GM-CSF.
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Affiliation(s)
- Radovan Borojevic
- Departamento de Histologia-Embriologia, Instituto de Ciências Biomédicas, Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, 21941-970, Rio de Janeiro, Brazil.
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Chegini N, Ma C, Roberts M, Williams RS, Ripps BA. Differential expression of interleukins (IL) IL-13 and IL-15 throughout the menstrual cycle in endometrium of normal fertile women and women with recurrent spontaneous abortion. J Reprod Immunol 2002; 56:93-110. [PMID: 12106886 DOI: 10.1016/s0165-0378(02)00043-8] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Interleukins (IL)-13 and IL-15 are novel cytokines and key regulators of immune/inflammatory related responses that are critical in the outcome of various normal biological and associated abnormalities of the endometrium. The present study determined the temporal and spatial expression of IL-13 and IL-15 mRNA and protein in endometrium of normal fertile women throughout the menstrual cycle, and examined whether profiles of their expression differ from endometrium of women with unexplained recurrent spontaneous abortion (RSA). Using quantitative RT-PCR, ELISA and immunohistochemistry we found that IL-13 and IL-15 mRNA and protein are expressed in control endometrium throughout the menstrual cycle and in RSA (cycle days 21-23) with peak expression detected immediately after and prior to onset of menses, and two distinct periods corresponding to late proliferative and the early-mid secretory phases, respectively. The ratio of IL-13:IL-15 expression revealed a predominance in IL-13 expression during late proliferative/early secretory phase and IL-15 during the mid secretory phase. Compared to control endometrium, endometrium of women with RSA expresses elevated levels of IL-13 and IL-15, with IL-13:IL-15 ratio favoring IL-13. The immunoreactive IL-13 and IL-15 were localized primarily in endometrial luminal epithelial cells with an increased intensity in glandular epithelial and stromal cells in RSA. In conclusion, the results indicate that endometrium of normal fertile women expresses IL-13 and IL-15, with a distinct profile during the menstrual cycle and elevated expression in women with RSA. Although the biological significance of IL-13 and IL-15 in human endometrium and their elevated expression in RSA await investigation, these cytokines with distinct biological functions may regulate endometrial inflammatory/immune responses, tissue repair and receptivity for embryo implantation.
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Affiliation(s)
- Nasser Chegini
- Department of Obstetrics and Gynecology, University of Florida College of Medicine, Box 100294, Gainesville, FL 32610-0294, USA.
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Ripley D, Tang XM, Ma C, Chegini N. The expression and action of granulocyte macrophage-colony stimulating factor and its interaction with TGF-beta in endometrial carcinoma. Gynecol Oncol 2001; 81:301-9. [PMID: 11330966 DOI: 10.1006/gyno.2001.6161] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Previous studies have demonstrated that normal human endometrium expresses granulocyte macrophage-colony stimulating factor (GM-CSF) and GM-CSF receptors. Because GM-CSF is administer to cancer patients following chemotherapy, GM-CSF may directly or through interaction with ovarian steroids and other cytokines alter the behavior of endometrial cancer. The aim of this study was to determine the expression of GM-CSF and receptors in endometrial carcinoma and its direct effect and interaction with transforming growth factor beta (TGF-beta) on Ishikawa cells, a human endometrial carcinoma cell line. METHODS GM-CSF, GM-CSF receptors, TGF-beta1, and TGF-beta type II receptor expression were evaluated using quantitative reverse transcription polymerase chain reaction (Q-RT-PCR). The effect of GM-CSF on DNA synthesis, cell proliferation, expression of GM-CSF, TGF-beta1, and TGF-beta receptor, and their regulation by ovarian steroids was determined by the rate of [(3)H]thymidine incorporation, MTT assay, Q-RT-PCR, and ELISA, respectively. RESULTS Endometrial carcinomas express significantly higher GM-CSF and GM-CSF alpha and beta receptor mRNA compared with normal postmenopausal endometrium. GM-CSF at various doses had no significant effect on the rate of [(3)H]thymidine incorporation or proliferation of Ishikawa cells, whereas TGF-beta1 inhibited [(3)H]thymidine incorporation. GM-CSF and TGF-beta1 regulate their own expression and the expression of TGF-beta type II receptor, which were both upregulated by 17beta-estradiol and medroxyprogesterone acetate treatment and reversed following cotreatment with their respective receptor antagonists. CONCLUSION Endometrial carcinoma expresses an elevated level of GM-CSF and GM-CSF receptors. GM-CSF is not a mitogen for the endometrial cancer cell line; however, either alone or through interaction with TGF-beta1, it regulates its own expression and the expression of TGF-beta1 and TGF-beta type II receptor which inhabits endometrial cancer cells. This interaction may represent a regulatory feedback mechanism that could serve to suppress endometrial carcinoma growth.
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Affiliation(s)
- D Ripley
- Department of Obstetrics and Gynecology, University of Florida, Gainesville, FL 32610, USA
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