1
|
Park SJ, Kim YY, Park W, Park S, Han JY, Kim SW, Kim H, Ku SY. Effects of Cetrorelix on Ovary and Endometrium Prior to Anti-PD-L1 Antibody in Murine Model. Tissue Eng Regen Med 2024; 21:319-328. [PMID: 38103140 PMCID: PMC10825084 DOI: 10.1007/s13770-023-00617-x] [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: 10/23/2023] [Revised: 11/17/2023] [Accepted: 11/20/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Recent anti-cancer agents, immune checkpoint inhibitors (ICIs), have emerged as effective agents targeting the programmed cell death protein-1 (PD-1)/programmed death-ligand 1 (PD-L1) pathway. While the administration of gonadotropin-releasing hormone (GnRH) analogs before cytotoxic agents is known to preserve female reproductive organ function, the potential effects of ICIs and the protective impact of GnRH analogs on female reproductive organs, especially concerning ovarian reserve and endometrial receptivity, remain unknown. In this study, we attempted to elucidate the protective or regenerative effect on the female reproductive organ of cetrorelix prior to anti-PD-L1 antibody administration. METHOD Using a murine model, we examined the effects of Anti-PD-L1 antibody treatment on ovarian and uterine morphology, compared them with controls, and further assessed any potential protective effect of cetrorelix, a GnRH analog. Histological examinations and quantitative reverse transcription polymerase chain reaction were employed to study the morphological changes and associated gene expression patterns. RESULTS Anti-PD-L1 treatment led to a significant depletion of primordial/primary ovarian follicles and impaired decidualization in uterine stromal cells. However, while pretreatment with cetrorelix could restore normal decidualization patterns in the uterus, it did not significantly ameliorate ovarian follicular reductions. Gene expression analysis reflected these observations, particularly with marked changes in the expression of key genes like Prl and Igfbp1, pivotal in uterine decidualization. CONCLUSION Our study underscores the potential reproductive implications of cetrorelix treatment prior to Anti-PD-L1 therapy, shedding light on its short-term protective effects on the uterus. Further studies are necessary to understand long-term and clinical implications.
Collapse
Affiliation(s)
- Soo Jin Park
- Department of Obstetrics and Gynecology, Seoul National University Hospital, 101 Daehak-ro Jongno-gu, Seoul, 03080, Republic of Korea
| | - Yoon Young Kim
- Department of Obstetrics and Gynecology, Seoul National University Hospital, 101 Daehak-ro Jongno-gu, Seoul, 03080, Republic of Korea
| | - Wonhyoung Park
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, Republic of Korea
| | - Sunwoo Park
- Department of Plant & Biomaterials Science, Gyeongsang National University, Jinju-si, 52725, Republic of Korea
- Department of GreenBio Science, Gyeongsang National University, Jinju, 52725, Republic of Korea
| | - Ji Yeon Han
- Department of Obstetrics and Gynecology, Seoul National University Hospital, 101 Daehak-ro Jongno-gu, Seoul, 03080, Republic of Korea
| | - Sung Woo Kim
- Department of Obstetrics and Gynecology, Seoul National University Hospital, 101 Daehak-ro Jongno-gu, Seoul, 03080, Republic of Korea
| | - Hoon Kim
- Department of Obstetrics and Gynecology, Seoul National University Hospital, 101 Daehak-ro Jongno-gu, Seoul, 03080, Republic of Korea
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Republic of Korea
- Institute of Reproductive Medicine and Population, Medical Research Center, Seoul National University, Seoul, Republic of Korea
| | - Seung-Yup Ku
- Department of Obstetrics and Gynecology, Seoul National University Hospital, 101 Daehak-ro Jongno-gu, Seoul, 03080, Republic of Korea.
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Republic of Korea.
- Institute of Reproductive Medicine and Population, Medical Research Center, Seoul National University, Seoul, Republic of Korea.
| |
Collapse
|
2
|
Pavlovic ZJ, Hsin-Yu Pai A, Hsiao TT, Yen CF, Alhasan H, Ozmen A, New EP, Guo X, Imudia AN, Guzeloglu-Kayisli O, Lockwood CJ, Kayisli UA. Dysregulated expression of GATA2 and GATA6 transcription factors in adenomyosis: implications for impaired endometrial receptivity. F&S SCIENCE 2024; 5:92-103. [PMID: 37972693 DOI: 10.1016/j.xfss.2023.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 11/08/2023] [Accepted: 11/09/2023] [Indexed: 11/19/2023]
Abstract
OBJECTIVE To study the effect of adenomyosis on the localized expression of the GATA binding proteins 2 and 6 (GATA2 and GATA6) zinc-finger transcription factors that are involved in proliferation of hematopoietic and endocrine cell lineages, cell differentiation, and organogenesis, potentially leading to impaired endometrial implantation. DESIGN Laboratory based experimental study. SETTING Academic hospital and laboratory. PATIENTS Human endometrial stromal cells (HESCs) of reproductive age patients, 18-45 years of age, with adenomyosis were compared with patients with no pathology and leiomyomatous uteri as controls (n = 4 in each group, respectively). Additionally, midsecretory phase endometrial sections were obtained from patients with adenomyosis and control patients with leiomyoma (n = 8 in each group, respectively). INTERVENTIONS GATA2 and GATA6 immunohistochemistry and H-SCORE were performed on the midsecretory phase endometrial sections from adenomyosis and leiomyoma control patients (n = 8 each, respectively). Control and adenomyosis patient HESC cultures were treated with placebo or 10-8 M estradiol (E2), or decidualization media (EMC) containing 10-8 M E2, 10-7 M medroxyprogesterone acetate, and 5 × 10-5 M cAMP for 6 and 10 days. Additionally, control HESC cultures (n = 4) were transfected with scrambled small interfering RNA (siRNA) (control) or GATA2-specific siRNAs for 6 days while adenomyosis HESC cultures (n = 4) were transfected with human GATA2 expression vectors to silence or induce GATA2 overexpression. MAIN OUTCOME MEASURES Immunohistochemistry was performed to obtain GATA2 and GATA6 H-SCORES in adenomyosis vs. control patient endometrial tissue. Expression of GATA2, GATA6, insulin-like growth factor-binding protein 1 (IGFBP1), prolactin (PRL), progesterone receptor (PGR), estrogen receptor 1 (ESR1), leukemia inhibitory factor (LIF), and Interleukin receptor 11 (IL11R) messenger RNA (mRNA) levels were analyzed using by qPCR with normalization to ACTB. Silencing and overexpression experiments also had the corresponding mRNA levels of the above factors analyzed. Western blot analysis was performed on isolated proteins from transfection experiments. RESULTS Immunohistochemistry revealed an overall fourfold lower GATA2 and fourfold higher GATA6 H-SCORE level in the endometrial stromal cells of patients with adenomyosis vs. controls. Decidual induction with EMC resulted in significantly lower GATA2, PGR, PRL and IGFBP1 mRNA levels in HESC cultures from patients with adenomyosis patient vs. controls. Leukemia inhibitory factor and IL11R mRNA levels were also significantly dysregulated in adenomyosis HESCs compared with controls. . Silencing of GATA2 expression in control HESCs induced an adenomyosis-like state with significant reductions in GATA2, increases in GATA6 and accompanying aberrations in PGR, PRL, ESR1 and LIF levels. Conversely, GATA2 overexpression via vector in adenomyosis HESCs caused partial restoration of the defective decidual response with significant increases in GATA2, PGR, PRL and LIF expression. CONCLUSION In-vivo and in-vitro experiment results demonstrate that there is an overall inverse relationship between endometrial GATA2 and GATA6 levels in patients with adenomyosis who have diminished GATA2 levels and concurrently elevated GATA6 levels. Additionally, lower GATA2 and higher GATA6 levels, together with aberrant levels of important receptors and implantation factors, such as ESR1, PGR, IGFBP1, PRL, LIF, and IL11R mRNA in HESCs from patients with adenomyosis or GATA2-silenced control HESCs, support impaired decidualization. These effects were partially restored with GATA2 overexpression in adenomyosis HESCs, demonstrating a potential therapeutic target.
Collapse
Affiliation(s)
- Zoran Jason Pavlovic
- Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, Florida.
| | - Angel Hsin-Yu Pai
- Department of Obstetrics and Gynecology, Linkou Chang Gung Memorial Hospital, Taoyuan City, Taiwan
| | - Tzu-Ti Hsiao
- Department of Obstetrics and Gynecology, Linkou Chang Gung Memorial Hospital, Taoyuan City, Taiwan
| | - Chih-Feng Yen
- Department of Obstetrics and Gynecology, Linkou Chang Gung Memorial Hospital, Taoyuan City, Taiwan
| | - Hasan Alhasan
- Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, Florida
| | - Asli Ozmen
- Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, Florida
| | - Erika P New
- Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, Florida
| | - Xiaofang Guo
- Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, Florida
| | - Anthony N Imudia
- Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, Florida; Shady Grove Fertility, Tampa, Florida
| | - Ozlem Guzeloglu-Kayisli
- Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, Florida
| | - Charles J Lockwood
- Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, Florida
| | - Umit A Kayisli
- Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, Florida
| |
Collapse
|
3
|
Emerging Roles of Endocannabinoids as Key Lipid Mediators for a Successful Pregnancy. Int J Mol Sci 2023; 24:ijms24065220. [PMID: 36982295 PMCID: PMC10048990 DOI: 10.3390/ijms24065220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 03/06/2023] [Accepted: 03/07/2023] [Indexed: 03/11/2023] Open
Abstract
In recent years, Cannabis use/misuse for treating pregnancy-related symptoms and other chronic conditions has increased among pregnant women, favored by decriminalization and/or legalization of its recreational uses in addition to its easy accessibility. However, there is evidence that prenatal Cannabis exposure might have adverse consequences on pregnancy progression and a deleterious impact on proper neurodevelopmental trajectories in the offspring. Maternal Cannabis use could interfere with the complex and finely controlled role performed by the endocannabinoid system in reproductive physiology, impairing multiple gestational processes from blastocyst implantation to parturition, with long-lasting intergenerational effects. In this review, we discuss current clinical and preclinical evidence regarding the role of endocannabinoids in development, function, and immunity of the maternal–fetal interface, focusing on the impact of Cannabis constituents on each of these gestational processes. We also discuss the intrinsic limitations of the available studies and the future perspectives in this challenging research field.
Collapse
|
4
|
Data K, Marcinkowska K, Buś K, Valihrach L, Pawlak E, Śmieszek A. β-Lactoglobulin affects the oxidative status and viability of equine endometrial progenitor cells via lncRNA-mRNA-miRNA regulatory associations. J Cell Mol Med 2023; 27:927-938. [PMID: 36860157 PMCID: PMC10064025 DOI: 10.1111/jcmm.17694] [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: 10/21/2022] [Revised: 01/20/2023] [Accepted: 01/30/2023] [Indexed: 03/03/2023] Open
Abstract
The β-lactoglobulin (β-LG) was previously characterized as a mild antioxidant modulating cell viability. However, its biological action regarding endometrial stromal cell cytophysiology and function has never been considered. In this study, we investigated the influence of β-LG on the cellular status of equine endometrial progenitor cells under oxidative stress. The study showed that β-LG decreased the intracellular accumulation of reactive oxygen species, simultaneously ameliorating cell viability and exerting an anti-apoptotic effect. However, at the transcriptional level, the reduced mRNA expression of pro-apoptotic factors (i.e. BAX and BAD) was accompanied by decreased expression of mRNA for anti-apoptotic BCL-2 and genes coding antioxidant enzymes (CAT, SOD-1, GPx). Still, we have also noted the positive effect of β-LG on the expression profile of transcripts involved in endometrial viability and receptivity, including ITGB1, ENPP3, TUNAR and miR-19b-3p. Finally, the expression of master factors of endometrial decidualization, namely prolactin and IGFBP1, was increased in response to β-LG, while non-coding RNAs (ncRNAs), that is lncRNA MALAT1 and miR-200b-3p, were upregulated. Our findings indicate a novel potential role of β-LG as a molecule regulating endometrial tissue functionality, promoting viability and normalizing the oxidative status of endometrial progenitor cells. The possible mechanism of β-LG action includes the activation of ncRNAs essential for tissue regeneration, such as lncRNA MALAT-1/TUNAR and miR-19b-3p/miR-200b-3p.
Collapse
Affiliation(s)
- Krzysztof Data
- Department of Experimental Biology, The Faculty of Biology and Animal Science, University of Environmental and Life Sciences, Wroclaw, Poland
| | - Klaudia Marcinkowska
- Department of Experimental Biology, The Faculty of Biology and Animal Science, University of Environmental and Life Sciences, Wroclaw, Poland
| | - Klaudia Buś
- Department of Experimental Biology, The Faculty of Biology and Animal Science, University of Environmental and Life Sciences, Wroclaw, Poland
| | - Lukas Valihrach
- Laboratory of Gene Expression, Institute of Biotechnology CAS, Biocev, Vestec, Czech Republic
| | - Edyta Pawlak
- Laboratory of Immunopathology, Department of Experimental Therapy, Hirszfeld Institute of Immunology and Experimental Therapy, Wroclaw, Poland
| | - Agnieszka Śmieszek
- Department of Experimental Biology, The Faculty of Biology and Animal Science, University of Environmental and Life Sciences, Wroclaw, Poland
| |
Collapse
|
5
|
Menzies FM. Immunology of Pregnancy and Systemic Consequences. Curr Top Microbiol Immunol 2023; 441:253-280. [PMID: 37695432 DOI: 10.1007/978-3-031-35139-6_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Pregnancy is an immunological paradox, with renowned Nobel Prize winning transplantation biologist Sir Peter Brian Medawar being the first to introduce this concept back in 1953. This concept considers how the maternal immune system can tolerate the developing fetus, which is 50% antigenically foreign to the uterus. There have been significant advances in our understanding of the immune system in regulating fertility, pregnancy and in complications of these, and what was once considered a paradox can be seen as a highly evolved system. Indeed, the complexity of the maternal-fetal interface along with our ever-advancing knowledge of immune cells and mediators means that we have a better understanding of these interactions, with gaps still present. This chapter will summarise the key aspects of the role of the immune system at each stage of pregnancy and highlight the recent advances in our knowledge.
Collapse
Affiliation(s)
- Fiona M Menzies
- School of Health and Life Sciences, University of the West of Scotland, Lanarkshire, UK.
| |
Collapse
|
6
|
Wu HM, Chen LH, Hsu LT, Lai CH. Immune Tolerance of Embryo Implantation and Pregnancy: The Role of Human Decidual Stromal Cell- and Embryonic-Derived Extracellular Vesicles. Int J Mol Sci 2022; 23:ijms232113382. [PMID: 36362169 PMCID: PMC9658721 DOI: 10.3390/ijms232113382] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/30/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022] Open
Abstract
Embryo–endometrial communication plays a critical role in embryo implantation and the establishment of a successful pregnancy. Successful pregnancy outcomes involve maternal immune modulation during embryo implantation. The endometrium is usually primed and immunomodulated by steroid hormones and embryo signals for subsequent embryo implantation and the maintenance of pregnancy. The roles of extracellular vesicles (EVs) and microRNAs for the embryo–maternal interactions have been elucidated recently. New evidence shows that endometrial EVs and trophectoderm-originated EV cargo, including microRNAs, proteins, and lipids in the physiological microenvironment, regulate maternal immunomodulation for embryo implantation and subsequent pregnancy. On the other hand, trophoblast-derived EVs also control the cross-communication between the trophoblasts and immune cells. The exploration of EV functions and mechanisms in the processes of embryo implantation and pregnancy will shed light on a practical tool for the diagnostic or therapeutic approaches to reproductive medicine and infertility.
Collapse
Affiliation(s)
- Hsien-Ming Wu
- Department of Obstetrics and Gynecology, Linkou Medical Center, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan 333, Taiwan
| | - Liang-Hsuan Chen
- Department of Obstetrics and Gynecology, Linkou Medical Center, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan 333, Taiwan
| | - Le-Tien Hsu
- Department of Obstetrics and Gynecology, Linkou Medical Center, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan 333, Taiwan
| | - Chyong-Huey Lai
- Department of Obstetrics and Gynecology, Linkou Medical Center, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan 333, Taiwan
- Gynecologic Cancer Research Center, Linkou Medical Center, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan
- Correspondence: ; Tel.: +886-3-328-1200 (ext. 8254)
| |
Collapse
|
7
|
Gibson C, de Ruijter-Villani M, Stout TAE. Insulin-like growth factor system components expressed at the conceptus-maternal interface during the establishment of equine pregnancy. Front Vet Sci 2022; 9:912721. [PMID: 36176700 PMCID: PMC9513317 DOI: 10.3389/fvets.2022.912721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 07/28/2022] [Indexed: 11/13/2022] Open
Abstract
In many species, the insulin-like growth factors (IGF1 and IGF2), their receptors and IGF binding proteins play important roles in preparing the endometrium for implantation, and regulating conceptus growth and development. To determine whether the IGF system may contribute to conceptus-maternal interaction during equine pre-implantation development, we evaluated mRNA expression for IGF system components in conceptuses, and endometrium recovered from pregnant and cycling mares, on days 7, 14, 21 and 28 after ovulation. We also investigated expression of IGF1, IGF2 and their receptors 6 and 11 days after transfer of day 8 embryos to synchronous (day 8) or asynchronous (day 3) recipient mares. Expression of IGF1 and IGF2, IGF1R, IGF2R, INSR and IGFBPs 1, 2, 4 and 5 was evident in endometrium and conceptus membranes during days 7–28. Endometrial IGF2, INSR, IGFBP1 and IGFBP2 expression increased between days 7 and 28 of pregnancy. In conceptus membranes, expression of all IGF system components increased with developmental stage. Immunohistochemistry revealed strong expression of IGF1, IGF2 and IGF1R in both endometrium and conceptus membranes, whereas INSR was highly expressed in endometrium but barely detectable in the conceptus. Finally, a negatively asynchronous uterine environment retarded IGF1, IGF2 and INSR expression in the conceptus, whereas in the endometrium only INSR expression was altered by asynchrony. The presence of IGFs, their receptors and IGFBPs in the endometrium and conceptus during early equine pregnancy, and down-regulation in the conceptus following asynchronous embryo transfer, suggest a role in conceptus-maternal communication during the preparation for implantation.
Collapse
|
8
|
Vidal MS, Menon R, Yu GFB, Amosco MD. Actions of Bisphenol A on Different Feto-Maternal Compartments Contributing to Preterm Birth. Int J Mol Sci 2022; 23:ijms23052411. [PMID: 35269554 PMCID: PMC8910111 DOI: 10.3390/ijms23052411] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 02/07/2022] [Accepted: 02/10/2022] [Indexed: 12/19/2022] Open
Abstract
Preterm birth remains to be one of the most prevalent obstetric complications worldwide. Since there are multiple etiological factors associated with this disease process, an integrative literature search in PubMed and Scopus databases on possible mechanism of action and effect of bisphenols on exposure on human or animal placental samples in preterm birth was conducted. From 2332 articles on initial literature search, 63 studies were included for full data extraction. Altogether, several pathways were shown to be possibly affected by bisphenols, leading to dysregulations in structural and endocrine foundation in the placenta, potential induction of senescence and failure of decidualization in the decidua, and possible propagation of inflammation in the fetal membranes. Combined, these actions may eventually counteract bisphenol-induced relaxation of the myometrium and promote contractility alongside fetal membrane weakening. In totality, these individual impairments in gestation-critical processes may lead to failure of maintenance of pregnancy, and thus effecting preterm birth.
Collapse
Affiliation(s)
- Manuel S. Vidal
- College of Medicine, University of the Philippines Manila, Manila 1000, Philippines
- Correspondence:
| | - Ramkumar Menon
- Division of Basic Science and Translational Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, Galveston, TX 77555, USA;
| | - Gracia Fe B. Yu
- Department of Biochemistry and Molecular Biology, University of the Philippines Manila, Manila 1000, Philippines;
| | - Melissa D. Amosco
- Department of Obstetrics and Gynecology, Philippine General Hospital, University of the Philippines Manila, Manila 1000, Philippines;
| |
Collapse
|
9
|
Ahn J, Yoon MJ, Hong SH, Cha H, Lee D, Koo HS, Ko JE, Lee J, Oh S, Jeon NL, Kang YJ. Three-dimensional microengineered vascularised endometrium-on-a-chip. Hum Reprod 2021; 36:2720-2731. [PMID: 34363466 PMCID: PMC8450871 DOI: 10.1093/humrep/deab186] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 05/17/2021] [Indexed: 11/25/2022] Open
Abstract
STUDY QUESTION Can we reconstitute physiologically relevant 3-dimensional (3D) microengineered endometrium in-vitro model? SUMMARY ANSWER Our representative microengineered vascularised endometrium on-a-chip closely recapitulates the endometrial microenvironment that consists of three distinct layers including epithelial cells, stromal fibroblasts and endothelial cells in a 3D extracellular matrix in a spatiotemporal manner. WHAT IS KNOWN ALREADY Organ-on-a-chip, a multi-channel 3D microfluidic cell culture system, is widely used to investigate physiologically relevant responses of organ systems. STUDY DESIGN, SIZE, DURATION The device consists of five microchannels that are arrayed in parallel and partitioned by array of micropost. Two central channels are for 3D culture and morphogenesis of stromal fibroblast and endothelial cells. In addition, the outermost channel is for the culture of additional endometrial stromal fibroblasts that secrete biochemical cues to induce directional pro-angiogenic responses of endothelial cells. To seed endometrial epithelial cells, on Day 8, Ishikawa cells were introduced to one of the two medium channels to adhere on the gel surface. After that, the microengineered endometrium was cultured for an additional 5–6 days (total ∼ 14 days) for the purpose of each experiment. PARTICIPANTS/MATERIALS, SETTING, METHODS Microfluidic 3D cultures were maintained in endothelial growth Medium 2 with or without oestradiol and progesterone. Some cultures additionally received exogenous pro-angiogenic factors. For the three distinct layers of microengineered endometrium-on-a-chip, the epithelium, stroma and blood vessel characteristics and drug response of each distinct layer in the microfluidic model were assessed morphologically and biochemically. The quantitative measurement of endometrial drug delivery was evaluated by the permeability coefficients. MAIN RESULTS AND THE ROLE OF CHANCE We established microengineered vascularised endometrium-on-chip, which consists of three distinct layers: epithelium, stroma and blood vessels. Our endometrium model faithfully recapitulates in-vivo endometrial vasculo-angiogenesis and hormonal responses displaying key features of the proliferative and secretory phases of the menstrual cycle. Furthermore, the effect of the emergency contraception drug levonorgestrel was evaluated in our model demonstrating increased endometrial permeability and blood vessel regression in a dose-dependent manner. We finally provided a proof of concept of the multi-layered endometrium model for embryo implantation, which aids a better understanding of the molecular and cellular mechanisms underlying this process. LARGE SCALE DATA N/A. LIMITATIONS, REASONS FOR CAUTION This report is largely an in-vitro study and it would be beneficial to validate our findings using human primary endometrial cells. WIDER IMPLICATIONS OF THE FINDINGS Our 3D microengineered vascularised endometrium-on-a-chip provides a new in-vitro approach to drug screening and drug discovery by mimicking the complicated behaviours of human endometrium. Thus, we suggest our model as a tool for addressing critical challenges and unsolved problems in female diseases, such as endometriosis, uterine cancer and female infertility, in a personalised manner. STUDY FUNDING/COMPETING INTEREST(S) This work is supported by funding from the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) to Y.J.K. (No. 2018R1C1B6003), to J.A. (No. 2020R1I1A1A01074136) and to H.S.K. (No. 2020R1C1C100787212). The authors report no conflicts of interest.
Collapse
Affiliation(s)
- Jungho Ahn
- Department of Biochemistry, Research Institute for Basic Medical Science, School of Medicine, CHA University, Seongnam-si, Gyeonggi-do, Republic of Korea.,Research Competency Milestones Program of School of Medicine, CHA University, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Min-Ji Yoon
- Department of Biomedical Science, School of Life Science, CHA University, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Seon-Hwa Hong
- CHA Fertility Center Bundang, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Hwijae Cha
- Department of Biomedical Science, School of Life Science, CHA University, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Danbi Lee
- Department of Biomedical Science, School of Life Science, CHA University, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Hwa Seon Koo
- CHA Fertility Center Bundang, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Ji-Eun Ko
- CHA Fertility Center Bundang, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Jungseub Lee
- Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul-si, Republic of Korea
| | - Soojung Oh
- AMOREPACIFIC Research and Development Center, Yongin-si, Gyeonggi-do, Republic of Korea
| | - Noo Li Jeon
- Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul-si, Republic of Korea
| | - Youn-Jung Kang
- Department of Biochemistry, Research Institute for Basic Medical Science, School of Medicine, CHA University, Seongnam-si, Gyeonggi-do, Republic of Korea.,Department of Biomedical Science, School of Life Science, CHA University, Seongnam-si, Gyeonggi-do, Republic of Korea.,CHA Fertility Center Bundang, Seongnam-si, Gyeonggi-do, Republic of Korea
| |
Collapse
|
10
|
Sekulovski N, Whorton AE, Shi M, Hayashi K, MacLean JA. Insulin signaling is an essential regulator of endometrial proliferation and implantation in mice. FASEB J 2021; 35:e21440. [PMID: 33749878 DOI: 10.1096/fj.202002448r] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 01/27/2021] [Accepted: 01/29/2021] [Indexed: 01/04/2023]
Abstract
Insulin signaling is critical for the development of preovulatory follicles and progression through the antral stage. Using a conditional knockout model that escapes this blockage, we recently described the role of insulin signaling in granulosa cells during the periovulatory window in mice lacking Insr and Igf1r driven by Pgr-Cre. These mice were infertile, exhibiting defects in ovulation, luteinization, steroidogenesis, and early embryo development. Herein, we demonstrate that while these mice exhibit normal uterine receptivity, uterine cell proliferation and decidualization are compromised resulting in complete absence of embryo implantation in uteri lacking both receptors. While the histological organization of double knockout mice appeared normal, the thickness of their endometrium was significantly reduced. This was supported by the reduced proliferation of both epithelial and stromal cells during the preimplantation stages of pregnancy. Expression and localization of the main drivers of uterine proliferation, ESR1 and PGR, was normal in knockouts, suggesting that insulin signaling acts downstream of these two receptors. While AKT/PI3K signaling was unaffected by insulin receptor ablation, activation of p44/42 MAPK was significantly reduced in both single and double knockout uteri at 3.5 dpc. Overall, we conclude that both INSR and IGF1R are necessary for optimal endometrial proliferation and implantation.
Collapse
Affiliation(s)
- Nikola Sekulovski
- Department of Physiology, Southern Illinois School of Medicine, Carbondale, IL, USA
| | - Allison E Whorton
- Department of Physiology, Southern Illinois School of Medicine, Carbondale, IL, USA
| | - Mingxin Shi
- Department of Physiology, Southern Illinois School of Medicine, Carbondale, IL, USA
| | - Kanako Hayashi
- Department of Physiology, Southern Illinois School of Medicine, Carbondale, IL, USA.,Center for Reproductive Biology, Washington State University, Pullman, WA, USA
| | - James A MacLean
- Department of Physiology, Southern Illinois School of Medicine, Carbondale, IL, USA.,Center for Reproductive Biology, Washington State University, Pullman, WA, USA.,School of Molecular Biosciences, College of Veterinary Medicine, Washington State University, Pullman, WA, USA
| |
Collapse
|
11
|
Immune Tolerance of the Human Decidua. J Clin Med 2021; 10:jcm10020351. [PMID: 33477602 PMCID: PMC7831321 DOI: 10.3390/jcm10020351] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 01/06/2023] Open
Abstract
The endometrium is necessary for implantation, complete development of the placenta, and a successful pregnancy. The endometrium undergoes repeated cycles of proliferation, decidualization (differentiation), and shedding during each menstrual cycle. The endometrium—including stromal, epithelial, vascular endothelial, and immune cells—is both functionally and morphologically altered in response to progesterone, causing changes in the number and types of immune cells. Immune cells make up half of the total number of endometrial cells during implantation and menstruation. Surprisingly, immune tolerant cells in the endometrium (uterine natural killer cells, T cells, and macrophages) have two conflicting functions: to protect the body by eliminating pathogenic microorganisms and other pathogens and to foster immunological change to tolerate the embryo during pregnancy. One of the key molecules involved in this control is the cytokine interleukin-15 (IL-15), which is secreted by endometrial stromal cells. Recently, it has been reported that IL-15 is directly regulated by the transcription factor heart- and neural crest derivatives-expressed protein 2 in endometrial stromal cells. In this review, we outline the significance of the endometrium and immune cell population during menstruation and early pregnancy and describe the factors involved in immune tolerance and their involvement in the establishment and maintenance of pregnancy.
Collapse
|
12
|
Fang X, Ni N, Gao Y, Lydon JP, Ivanov I, Rijnkels M, Bayless KJ, Li Q. Transforming growth factor beta signaling and decidual integrity in mice†. Biol Reprod 2020; 103:1186-1198. [PMID: 32902612 PMCID: PMC7711917 DOI: 10.1093/biolre/ioaa155] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 07/28/2020] [Accepted: 09/03/2020] [Indexed: 12/13/2022] Open
Abstract
Transforming growth factor beta (TGFβ) signaling regulates multifaceted reproductive processes. It has been shown that the type 1 receptor of TGFβ (TGFBR1) is indispensable for female reproductive tract development, implantation, placental development, and fertility. However, the role of TGFβ signaling in decidual development and function remains poorly defined. Our objective is to determine the impact of uterine-specific deletion of Tgfbr1 on decidual integrity, with a focus on the cellular and molecular properties of the decidua during development. Our results show that the developmental dynamics of the decidua is altered in TGFBR1 conditionally depleted uteri from embryonic day (E) 5.5 to E8.5, substantiated by downregulation of genes associated with inflammatory responses and uterine natural killer cell abundance, reduced presence of nondecidualized fibroblasts in the antimesometrial region, and altered decidual cell development. Notably, conditional ablation of TGFBR1 results in the formation of decidua containing more abundant alpha smooth muscle actin (ACTA2)-positive cells at the peripheral region of the antimesometrial side versus controls at E6.5-E8.5. This finding is corroborated by upregulation of a subset of smooth muscle marker genes in Tgfbr1 conditionally deleted decidua at E6.5 and E8.5. Moreover, increased cell proliferation and enhanced decidual ERK1/2 signaling were found in Tgfbr1 conditional knockout mice upon decidual regression. In summary, conditional ablation of TGFBR1 in the uterus profoundly impacts the cellular and molecular properties of the decidua. Our results suggest that TGFBR1 in uterine epithelial and stromal compartments is important for the integrity of the decidua, a transient but crucial structure that supports embryo development.
Collapse
Affiliation(s)
- Xin Fang
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA
| | - Nan Ni
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA
| | - Yang Gao
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA
| | - John P Lydon
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, USA
| | - Ivan Ivanov
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX, USA
| | - Monique Rijnkels
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA
| | - Kayla J Bayless
- Department of Molecular and Cellular Medicine, Texas A&M University Health Science Center, Bryan, TX, USA
| | - Qinglei Li
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA
| |
Collapse
|
13
|
Owusu-Akyaw A, Krishnamoorthy K, Goldsmith LT, Morelli SS. The role of mesenchymal-epithelial transition in endometrial function. Hum Reprod Update 2020; 25:114-133. [PMID: 30407544 DOI: 10.1093/humupd/dmy035] [Citation(s) in RCA: 136] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 10/13/2018] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND The human uterine endometrium undergoes significant remodeling and regeneration on a rapid and repeated basis, after parturition, menstruation, and in some cases, injury. The ability of the adult endometrium to undergo cyclic regeneration and differentiation/decidualization is essential for successful human reproduction. Multiple key physiologic functions of the endometrium require the cells of this tissue to transition between mesenchymal and epithelial phenotypes, processes known as mesenchymal-epithelial transition (MET) and epithelial-mesenchymal transition (EMT). Although MET/EMT processes have been widely characterized in embryonic development and in the context of malignancy, mounting evidence demonstrates the importance of MET/EMT in allowing the endometrium the phenotypic and functional flexibility necessary for successful decidualization, regeneration/re-epithelialization and embryo implantation. OBJECTIVE AND RATIONALE The objective of this review is to provide a comprehensive summary of the observations concerning MET and EMT and their regulation in physiologic uterine functions, specifically in the context of endometrial regeneration, decidualization and embryo implantation. SEARCH METHODS Using variations of the search terms 'mesenchymal-epithelial transition', 'mesenchymal-epithelial transformation', 'epithelial-mesenchymal transition', 'epithelial-mesenchymal transformation', 'uterus', 'endometrial regeneration', 'endometrial decidualization', 'embryo implantation', a search of the published literature between 1970 and 2018 was conducted using the PubMed database. In addition, we searched the reference lists of all publications included in this review for additional relevant original studies. OUTCOMES Multiple studies demonstrate that endometrial stromal cells contribute to the regeneration of both the stromal and epithelial cell compartments of the uterus, implicating a role for MET in mechanisms responsible for endometrial regeneration and re-epithelialization. During decidualization, endometrial stromal cells undergo morphologic and functional changes consistent with MET in order to accommodate embryo implantation. Under the influence of estradiol, progesterone and multiple other factors, endometrial stromal fibroblasts acquire epithelioid characteristics, such as expanded cytoplasm and rough endoplasmic reticulum required for greater secretory capacity, rounded nuclei, increased expression of junctional proteins which allow for increased cell-cell communication, and a reorganized actin cytoskeleton. During embryo implantation, in response to both maternal and embryonic-derived signals, the maternal luminal epithelium as well as the decidualized stromal cells acquire the mesenchymal characteristics of increased migration/motility, thus undergoing EMT in order to accommodate the invading trophoblast. WIDER IMPLICATIONS Overall, the findings support important roles for MET/EMT in multiple endometrial functions required for successful reproduction. The endometrium may be considered a unique wound healing model, given its ability to repeatedly undergo repair without scarring or loss of function. Future studies to elucidate how MET/EMT mechanisms may contribute to scar-free endometrial repair will have considerable potential to advance studies of wound healing mechanisms in other tissues.
Collapse
Affiliation(s)
- Amma Owusu-Akyaw
- Department of Obstetrics, Gynecology, and Women's Health, Rutgers-New Jersey Medical School, Newark, NJ, USA
| | - Kavitha Krishnamoorthy
- Department of Obstetrics, Gynecology, and Women's Health, Rutgers-New Jersey Medical School, Newark, NJ, USA
| | - Laura T Goldsmith
- Department of Obstetrics, Gynecology, and Women's Health, Rutgers-New Jersey Medical School, Newark, NJ, USA
| | - Sara S Morelli
- Department of Obstetrics, Gynecology, and Women's Health, Rutgers-New Jersey Medical School, Newark, NJ, USA
| |
Collapse
|
14
|
Angiogenic Properties of Menstrual Stem Cells Are Impaired in Women with a History of Preeclampsia. Stem Cells Int 2019; 2019:1916542. [PMID: 30809262 PMCID: PMC6369467 DOI: 10.1155/2019/1916542] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 11/05/2018] [Accepted: 12/06/2018] [Indexed: 12/15/2022] Open
Abstract
Preeclampsia is a pregnancy-specific disorder defined by the new onset of hypertension and proteinuria after 20 weeks of gestation. Although its precise etiology is still unknown, there is evidence suggesting that it may be a consequence of impaired decidual and stromal cell function. Recently, a stem cell population derived from endometrial tissue and isolated from menstrual effluent called menstrual stem cells (MenSCs) has been identified. MenSCs exhibit important angiogenic and inflammatory properties that may contribute to both normal and pathological complications of implantation and placentation, including preeclampsia. We hypothesized that the angiogenic and inflammatory activity of MenSCs is altered in women who have a past history of preeclampsia and that this phenotype persists postpartum. The primary outcome measures were stromal progenitor cell formation, in vitro induction of endothelial tube formation, and release of proinflammatory cytokines. MenSCs obtained from women with a previous normal or preeclamptic pregnancy displayed similar phenotypic characteristics, tri-differentiation capacity, and proliferation. MenSCs derived from women who had preeclampsia on their previous pregnancy had reduced angiogenic capacity (~30% fewer junctions and nodes, p < 0.05) and stromal progenitor cell formation (<50% measured at a serial dilution of 1 : 10.000, p < 0.05) when compared to controls. In vitro, MenSCs obtained from patients with a history of preeclampsia expressed less endoglin and secreted less VEGF but more IL-6 than controls did. These data are consistent with the hypothesis that the angiogenic and inflammatory properties of MenSCs of women with a previous pregnancy complicated by preeclampsia have reduced angiogenic capacity and are more proinflammatory than those of MenSCs of women with a previous normal pregnancy. This altered phenotype of MenSCs observed following preeclampsia could either be present before the development of the pathology, predisposing the endometrial milieu to and consequently leading to limited vascular remodeling, or be a consequence of preeclampsia itself. The former may afford opportunity for targeted therapeutic intervention; the latter, a putative biomarker for future risk of pregnancy complications.
Collapse
|
15
|
Tapia-Pizarro A, Archiles S, Argandoña F, Valencia C, Zavaleta K, Cecilia Johnson M, González-Ramos R, Devoto L. hCG activates Epac-Erk1/2 signaling regulating Progesterone Receptor expression and function in human endometrial stromal cells. Mol Hum Reprod 2018; 23:393-405. [PMID: 28333280 DOI: 10.1093/molehr/gax015] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Accepted: 03/09/2017] [Indexed: 11/13/2022] Open
Abstract
STUDY QUESTION How does hCG signal in human endometrial stromal cells (ESCs) and what is its role in regulating ESC function? SUMMARY ANSWER hCG signaling in ESCs activates the extracellular signal-regulated protein kinases 1 and 2 (Erk1/2) pathway through exchange protein activated by cyclic AMP (cAMP) (Epac) and transiently increases progesterone receptor (PR) transcript and protein expression and its transcriptional function. WHAT IS KNOWN ALREADY hCG is one of the earliest embryo-derived secreted signals in the endometrium, which abundantly expresses LH/hCG receptors. hCG signals through cAMP/protein kinase A (PKA) in gonadal cells, but in endometrial epithelial cells, hCG induces Erk1/2 activation independent of the cAMP/PKA pathway. Few data exist concerning the signal transduction pathways triggered by hCG in ESCs and their role in regulation of ESC function. STUDY DESIGN, SIZE, DURATION This is an in vitro study comprising patients undergoing benign gynecological surgery (n = 46). PARTICIPANTS/MATERIALS, SETTING, METHODS Endometrial samples were collected from normal cycling women during the mid-secretory phase for ESCs isolation. The study conducted in an academic research laboratory within a tertiary-care hospital. The activation of the Erk1/2 signal transduction pathway elicited by hCG was evaluated in ESC. Signaling pathway inhibitors were used to examine the roles of PKA, PI3K, PKC, adenylyl cyclase and Epac on the hCG-stimulated up-regulation of phospho-Erk1/2 (pErk1/2). Erk1/2 phosphorylation was determined by immunoblot. siRNA targeting Epac was used to investigate the molecular mechanisms. To assess the role of Erk1/2 signaling induced by hCG on ESC function, gene expression regulation was examined by immunofluorescence and real-time quantitative PCR. The role of PR on the regulation of transcript levels was studied using progesterone and the PR antagonist RU486. All experiments were conducted using at least three different cell culture preparations in triplicate. MAIN RESULTS AND THE ROLE OF CHANCE Addition of hCG to ESCs in vitro induced the phosphorylation of Erk1/2 through cAMP accumulation. Such induction could not be blocked by inhibitors for PKA, PKC and PI3K. Epac inhibition and knockdown with siRNA prevented pErk1/2 induction by hCG. ESCs stimulated with hCG for up to 72 h showed a significant increase in PR mRNA and immunofluorescent label at 48 h only; an effect that was abrogated with the mitogen-activated protein kinase kinase inhibitor UO126. In addition, the hCG-activated Erk1/2 pathway significantly decreased the mRNA levels for secreted frizzled-related protein 4 (SFRP4) at 24 h, whereas it increased those for homeobox A10 (HOXA10) at 48 h (P = 0.041 and P = 0.022 versus control, respectively). Prolactin mRNA levels were not significantly modified. HOXA10 mRNA up-regulation by hCG was not enhanced by co-stimulation with progesterone; however, it was completely abolished in the presence of RU486 (P = 0.036 hCG versus hCG + RU486). LARGE SCALE DATA N/A. LIMITATIONS, REASONS FOR CAUTION This is an in vitro study utilizing stromal cell cultures from human endometrial tissues. Furthermore, results obtained should also be confirmed in vivo in the context of the whole human endometrial tissue and hormonal milieu. The in vitro experiments using hCG have been conducted without other hormones/factors that may also modulate the ESCs response to hCG. WIDER IMPLICATIONS OF THE FINDINGS We have determined that hCG induces the PR through the Erk1/2 pathway in ESCs which may render them more sensitive to progesterone, increasing our understanding about the effects of hCG at the embryo-maternal interface. The activation of such a pathway in the context of the hormonal milieu during the window of implantation might contribute to a successful dialog between the embryo and the uterus, leading to appropriate endometrial function. Defective hCG signaling in the endometrial stromal tissue may lead to an incomplete uterine response, compromising embryo implantation and early pregnancy. STUDY FUNDING/COMPETING INTEREST(S) This work was supported by the National Fund for Scientific and Technological Development, Government of Chile (FONDECYT) grants 11100443 and 1140614 (A.T.-P.). The authors have no conflicts of interest to declare.
Collapse
Affiliation(s)
- Alejandro Tapia-Pizarro
- Institute of Maternal and Child Research (IDIMI), Faculty of Medicine, University of Chile, Av. Sta. Rosa 1234, 2do piso, Santiago 8360160, Chile
| | - Sebastián Archiles
- Institute of Maternal and Child Research (IDIMI), Faculty of Medicine, University of Chile, Av. Sta. Rosa 1234, 2do piso, Santiago 8360160, Chile
| | - Felipe Argandoña
- Institute of Maternal and Child Research (IDIMI), Faculty of Medicine, University of Chile, Av. Sta. Rosa 1234, 2do piso, Santiago 8360160, Chile
| | - Cecilia Valencia
- Institute of Maternal and Child Research (IDIMI), Faculty of Medicine, University of Chile, Av. Sta. Rosa 1234, 2do piso, Santiago 8360160, Chile
| | - Keyla Zavaleta
- Institute of Maternal and Child Research (IDIMI), Faculty of Medicine, University of Chile, Av. Sta. Rosa 1234, 2do piso, Santiago 8360160, Chile
| | - M Cecilia Johnson
- Institute of Maternal and Child Research (IDIMI), Faculty of Medicine, University of Chile, Av. Sta. Rosa 1234, 2do piso, Santiago 8360160, Chile
| | - Reinaldo González-Ramos
- Institute of Maternal and Child Research (IDIMI), Faculty of Medicine, University of Chile, Av. Sta. Rosa 1234, 2do piso, Santiago 8360160, Chile
| | - Luigi Devoto
- Institute of Maternal and Child Research (IDIMI), Faculty of Medicine, University of Chile, Av. Sta. Rosa 1234, 2do piso, Santiago 8360160, Chile
| |
Collapse
|
16
|
Florio P, Pinzauti S, Altomare A, Luisi S, Litta P, Petraglia F. Expression and Role of Peptides, Proteins and Growth Factors in the Pathogenesis of Endometriosis. ACTA ACUST UNITED AC 2018. [DOI: 10.1177/228402650900100203] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Growing evidence is demonstrating that several peptides (corticotrophin-releasing factor, urocortins, ghrelin), proteins (leptin, adiponectin) and growth factors (vascular endothelial growth factor; epidermal growth factor family of growth factors and receptors, fibroblast growth factor, insulin like growth factor and insulin like growth factor-binding proteins, transforming growth factor-β and, activin A and related proteins) are expressed in endometriotic implants, and locally play a relevant role in affecting the biological mechanisms leading to endometriosis. They establish a complex network of interactions by which they are therefore able to stimulate angiogenesis, inflammatory cell recruitment and reaction, the growth of endometriotic tissue and its survival through the modulation of the narrow immune system. This review will evaluate the role played by several regulatory peptides, proteins and growth factors in affecting endometrial physiology and the putative mechanisms advocated to explain endometriosis (angiogenesis, cellular and humoral immunity, inflammatory response, endometrial cell proliferation, activation, motility, adhesion and invasion).
Collapse
Affiliation(s)
- Pasquale Florio
- Department of Pediatrics, Obstetrics and Reproductive Medicine, Section of Obstetrics & Gynecology, University of Siena, Siena - Italy
| | - Serena Pinzauti
- Department of Pediatrics, Obstetrics and Reproductive Medicine, Section of Obstetrics & Gynecology, University of Siena, Siena - Italy
| | - Aldo Altomare
- Department of Pediatrics, Obstetrics and Reproductive Medicine, Section of Obstetrics & Gynecology, University of Siena, Siena - Italy
| | - Stefano Luisi
- Department of Pediatrics, Obstetrics and Reproductive Medicine, Section of Obstetrics & Gynecology, University of Siena, Siena - Italy
| | - Pietro Litta
- Department of Gynecological Sciences and Human Reproduction, University of Padua, Padua - Italy
| | - Felice Petraglia
- Department of Pediatrics, Obstetrics and Reproductive Medicine, Section of Obstetrics & Gynecology, University of Siena, Siena - Italy
| |
Collapse
|
17
|
Tochigi H, Kajihara T, Mizuno Y, Mizuno Y, Tamaru S, Kamei Y, Okazaki Y, Brosens JJ, Ishihara O. Loss of miR-542-3p enhances IGFBP-1 expression in decidualizing human endometrial stromal cells. Sci Rep 2017; 7:40001. [PMID: 28051155 PMCID: PMC5209665 DOI: 10.1038/srep40001] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Accepted: 12/01/2016] [Indexed: 12/26/2022] Open
Abstract
Endometrial decidualization represents an essential step for the successful implantation of the embryo; however, the molecular mechanism behind this differentiation process remains unclear. This study aimed to identify novel microRNAs (miRNAs) involved in the regulation of decidual gene expression in human endometrial stromal cells (HESCs). An in vitro analysis of primary undifferentiated and decidualizing HESCs was conducted. HESCs were isolated from hysterectomy specimens from normally cycling premenopausal women with uterine fibroids, who were not on hormonal treatment at the time of surgery. Primary HESCs were expanded in culture and decidualized with 8-bromo-cyclic adenosine monophosphate and medroxyprogesterone acetate. Microarray analysis identified six miRNAs differentially expressed in response to decidualization of HESCs. All but one miRNA were downregulated upon decidualization, including miR-542-3p. We demonstrated that miR-542-3p overexpression inhibits the induction of major decidual marker genes, including IGFBP1, WNT4 and PRL. In addition, miR-542-3p overexpression inhibited the morphological transformation of HESCs in response to deciduogenic cues. A luciferase reporter assay confirmed that the 3′-untranslated region of IGFBP1 mRNA is targeted by miR-542-3p. The results suggest that miR-542-3p plays an important role in endometrial decidualization by regulating the expression of major decidual marker genes.
Collapse
Affiliation(s)
- Hideno Tochigi
- Department of Obstetrics and Gynecology, Saitama Medical University, 38 Morohongo, Moroyama, Iruma-gun, Saitama, Japan.,Division of Functional Genomics and Systems Medicine, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka city, Saitama, Japan
| | - Takeshi Kajihara
- Department of Obstetrics and Gynecology, Saitama Medical University, 38 Morohongo, Moroyama, Iruma-gun, Saitama, Japan
| | - Yosuke Mizuno
- Division of Functional Genomics and Systems Medicine, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka city, Saitama, Japan
| | - Yumi Mizuno
- Department of Obstetrics and Gynecology, Saitama Medical University, 38 Morohongo, Moroyama, Iruma-gun, Saitama, Japan
| | - Shunsuke Tamaru
- Department of Obstetrics and Gynecology, Saitama Medical University, 38 Morohongo, Moroyama, Iruma-gun, Saitama, Japan.,Division of Functional Genomics and Systems Medicine, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka city, Saitama, Japan
| | - Yoshimasa Kamei
- Department of Obstetrics and Gynecology, Saitama Medical University, 38 Morohongo, Moroyama, Iruma-gun, Saitama, Japan
| | - Yasushi Okazaki
- Division of Functional Genomics and Systems Medicine, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka city, Saitama, Japan.,Division of Translational Research, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka city, Saitama, Japan
| | - Jan J Brosens
- Division of Reproductive Health, Warwick Medical School, Clinical Sciences Research Laboratories, University Hospital, Coventry CV2 2DX, UK.,Tommy's National Miscarriage Research Centre, University Hospital Coventry and Warwickshire, Coventry CV2 2DX, UK
| | - Osamu Ishihara
- Department of Obstetrics and Gynecology, Saitama Medical University, 38 Morohongo, Moroyama, Iruma-gun, Saitama, Japan
| |
Collapse
|
18
|
Soumya V, Padmanabhan RA, Titus S, Laloraya M. Murine uterine decidualization is a novel function of autoimmune regulator-beyond immune tolerance. Am J Reprod Immunol 2016; 76:224-34. [PMID: 27432359 DOI: 10.1111/aji.12538] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Accepted: 06/14/2016] [Indexed: 12/16/2023] Open
Abstract
PROBLEM Autoimmune polyendocrinopathy, candidiasis, and ectodermal dystrophy (APECED, APS-1) patients characterized by Aire (autoimmune regulator) mutations and Aire homozygous knockouts (Aire(-/-) ) exhibit infertility. It is not clear as to what contributes to infertility in the above. METHOD OF STUDY This study investigates the expression of "AIRE in the uterus" and its contribution to early pregnancy of mice by using quantitative real-time PCR analysis, immunohistochemistry, Western blotting, and in vivo Aire silencing experiments. RESULTS Aire (Isoform 1a) is expressed in the uterus during the "window of implantation" and decidualization. In vivo Aire silencing interfered with formation of implantation sites and stromal cell transformation by regulating bone morphogenetic protein-2,4 (Bmp2, Bmp4), homeobox A10 (Hoxa10), and insulin-like growth factor-binding protein 1(Igfbp1) leading to pregnancy failure. CONCLUSION Our consolidated results on extrathymic uterine expression of AIRE during early pregnancy and decidualization and impaired fertility on in vivo silencing are suggestive of its importance in pregnancy via a role beyond immune tolerance.
Collapse
Affiliation(s)
- Vasanthi Soumya
- Female Reproduction and Metabolic Syndromes Laboratory, Division of Molecular Reproduction, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, Kerala, India
| | - Renjini A Padmanabhan
- Female Reproduction and Metabolic Syndromes Laboratory, Division of Molecular Reproduction, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, Kerala, India
| | - Shiny Titus
- Female Reproduction and Metabolic Syndromes Laboratory, Division of Molecular Reproduction, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, Kerala, India
| | - Malini Laloraya
- Female Reproduction and Metabolic Syndromes Laboratory, Division of Molecular Reproduction, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, Kerala, India
| |
Collapse
|
19
|
Boggavarapu NR, Berger C, von Grothusen C, Menezes J, Gemzell-Danielsson K, Lalitkumar PGL. Effects of low doses of mifepristone on human embryo implantation process in a three-dimensional human endometrial in vitro co-culture system. Contraception 2016; 94:143-51. [PMID: 27001000 DOI: 10.1016/j.contraception.2016.03.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 02/18/2016] [Accepted: 03/14/2016] [Indexed: 12/20/2022]
Abstract
OBJECTIVES We wanted to explore the effects of two different low doses (0.5μM and 0.05μM) of mifepristone, exposed during the receptive period, on the human embryo implantation process, using a well-established three-dimensional in vitro cell culture model, specifically developed to study this process. METHODS An in vitro three-dimensional cell culture model was constructed using human endometrial cells isolated from the endometrium of proven fertile women, collected on cycle day LH+4. After 5 days of culture, supernumerary human embryos were added and cultured for another 5 days with mifepristone 0.5μM (n=8) or 0.05μM (n=10) or vehicle as control (n=10). The cultures were checked for embryo attachment and terminated. We studied the expression of 16 reported endometrial receptivity markers in the endometrial constructs using real-time polymerase chain reaction. RESULTS None of the embryos in 0.5μM of mifepristone attached to the endometrial constructs (p=.004), whereas 4 out of 10 in 0.05μM (p=.3698) and 7 out of 10 embryos in the control group attached to the cultures. We found that most of the studied receptivity markers were significantly altered with mifepristone exposure in a similar direction in both treatment groups. Only IL6 was significantly differentially expressed between the treatment groups (p=.017). CONCLUSION We report for the first time that exposure to a low concentration (0.5μM) of mifepristone during the receptive period successfully inhibits human embryo implantation process in vitro. Further, we observed a dose-dependent effect of mifepristone on endometrial receptivity at the functional level. IMPLICATION This study contributes new knowledge that low dose of mifepristone during the short period of receptive phase can inhibit endometrial receptivity, which further promotes mifepristone as a contraceptive agent. This could give women a treatment choice to avoid unwanted pregnancy with high efficacy and minimal side effects.
Collapse
Affiliation(s)
- N R Boggavarapu
- Department of Women's and Children's Health, Division of Obstetrics and Gynecology, Karolinska Institutet/Karolinska University Hospital, S-171 76, Stockholm, Sweden
| | - C Berger
- Department of Women's and Children's Health, Division of Obstetrics and Gynecology, Karolinska Institutet/Karolinska University Hospital, S-171 76, Stockholm, Sweden
| | - C von Grothusen
- Department of Women's and Children's Health, Division of Obstetrics and Gynecology, Karolinska Institutet/Karolinska University Hospital, S-171 76, Stockholm, Sweden
| | - J Menezes
- Fertilitetscentrum, Stockholm, Sweden
| | - K Gemzell-Danielsson
- Department of Women's and Children's Health, Division of Obstetrics and Gynecology, Karolinska Institutet/Karolinska University Hospital, S-171 76, Stockholm, Sweden.
| | - P G L Lalitkumar
- Department of Women's and Children's Health, Division of Obstetrics and Gynecology, Karolinska Institutet/Karolinska University Hospital, S-171 76, Stockholm, Sweden.
| |
Collapse
|
20
|
Drospirenone induces decidualization in human eutopic endometrial stromal cells and reduces DNA synthesis of human endometriotic stromal cells. Fertil Steril 2015; 104:217-24.e2. [DOI: 10.1016/j.fertnstert.2015.03.023] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Revised: 03/23/2015] [Accepted: 03/24/2015] [Indexed: 01/11/2023]
|
21
|
Berger C, Boggavarapu NR, Menezes J, Lalitkumar PGL, Gemzell-Danielsson K. Effects of ulipristal acetate on human embryo attachment and endometrial cell gene expression in an in vitro co-culture system. Hum Reprod 2015; 30:800-11. [PMID: 25740886 DOI: 10.1093/humrep/dev030] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
STUDY QUESTION Does ulipristal acetate (UPA) used for emergency contraception (EC) interfere with the human embryo implantation process? SUMMARY ANSWER UPA, at the dosage used for EC, does not affect human embryo implantation process, in vitro. WHAT IS KNOWN ALREADY A single pre-ovulatory dose of UPA (30 mg) acts by delaying or inhibiting ovulation and is recommended as first choice among emergency contraceptive pills due to its efficacy. The compound has also been demonstrated to have a dose-dependent effect on the endometrium, which theoretically could impair endometrial receptivity but its direct action on human embryo implantation has not yet been studied. STUDY DESIGN, SIZE, DURATION Effect of UPA on embryo implantation process was studied in an in vitro endometrial construct. Human embryos were randomly added to the cultures and cultured for 5 more days with UPA (n = 10) or with vehicle alone (n = 10) to record the attachment of embryos. PARTICIPANTS/MATERIALS, SETTING, METHODS Endometrial biopsies were obtained from healthy, fertile women on cycle day LH+4 and stromal and epithelial cells were isolated. A three-dimensional in vitro endometrial co-culture system was constructed by mixing stromal cells with collagen covered with a layer of epithelial cells and cultured in progesterone containing medium until confluence. The treatment group received 200 ng/ml of UPA. Healthy, viable human embryos were placed on both control and treatment cultures. Five days later the cultures were tested for the attachment of embryos and the 3D endometrial constructs were analysed for endometrial receptivity markers by real-time PCR. MAIN RESULTS AND THE ROLE OF CHANCE There was no significant difference in the embryo attachment rate between the UPA treated group and the control group as 5 out of 10 human embryos exposed to UPA and 7 out of 10 embryos in the control group attached to the endometrial cell surface (P = 0.650). Out of 17 known receptivity genes studied here, only 2 genes, HBEGF (P = 0.009) and IL6 (P = 0.025) had a significant up-regulation and 4 genes, namely HAND2 (P = 0.003), OPN (P = 0.003), CALCR (P = 0.016) and FGF2 (P = 0.023) were down-regulated with the exposure of UPA, compared with control group. LIMITATIONS, REASONS FOR CAUTION This proof of concept study was conducted with a few human embryos, as their availability was limited. Although the 3D model used for this study is well established and the artificial endometrial luminal epithelium shown to express progesterone regulated markers of endometrial receptivity it is still an in vitro model, lacking all cell types that constitute the receptive endometrium in vivo. WIDER IMPLICATIONS OF THE FINDINGS This study provides new insights on the mechanism of action of UPA on human embryo implantation, demonstrating that UPA in a dosage used for EC does not affect embryo viability and the implantation process of embryo. Progesterone receptor modulators (PRMs) hold the potential to be attractive estrogen- and gestagen-free contraceptives and thus may be made available to a larger proportion of women globally due to these findings. STUDY FUNDING/COMPETING INTERESTS Swedish Research Council (K2010-54X-14212-09-3) and support provided through the regional agreement on medical training and clinical research (ALF) between Stockholm County Council and Karolinska University Hospital.
Collapse
Affiliation(s)
- C Berger
- Department of Women's and Children's Health, Division of Obstetrics and Gynaecology, Karolinska Institutet/Karolinska University Hospital, S-171 76 Stockholm, Sweden
| | - N R Boggavarapu
- Department of Women's and Children's Health, Division of Obstetrics and Gynaecology, Karolinska Institutet/Karolinska University Hospital, S-171 76 Stockholm, Sweden
| | - J Menezes
- Fertilitetscentrum, Stockholm, Sweden
| | - P G L Lalitkumar
- Department of Women's and Children's Health, Division of Obstetrics and Gynaecology, Karolinska Institutet/Karolinska University Hospital, S-171 76 Stockholm, Sweden
| | - K Gemzell-Danielsson
- Department of Women's and Children's Health, Division of Obstetrics and Gynaecology, Karolinska Institutet/Karolinska University Hospital, S-171 76 Stockholm, Sweden
| |
Collapse
|
22
|
Kobayashi H, Iwai K, Niiro E, Morioka S, Yamada Y. Fetal programming theory: Implication for the understanding of endometriosis. Hum Immunol 2014; 75:208-17. [DOI: 10.1016/j.humimm.2013.12.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Revised: 11/05/2013] [Accepted: 12/17/2013] [Indexed: 10/25/2022]
|
23
|
Diverse roles of prostaglandins in blastocyst implantation. ScientificWorldJournal 2014; 2014:968141. [PMID: 24616654 PMCID: PMC3925584 DOI: 10.1155/2014/968141] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Accepted: 12/18/2013] [Indexed: 01/14/2023] Open
Abstract
Prostaglandins (PGs), derivatives of arachidonic acid, play an indispensable role in embryo implantation. PGs have been reported to participate in the increase in vascular permeability, stromal decidualization, blastocyst growth and development, leukocyte recruitment, embryo transport, trophoblast invasion, and extracellular matrix remodeling during implantation. Deranged PGs syntheses and actions will result in implantation failure. This review summarizes up-to-date literatures on the role of PGs in blastocyst implantation which could provide a broad perspective to guide further research in this field.
Collapse
|
24
|
Tsunawaki T, Sakai K, Momomura M, Wachi Y, Matsuzawa Y, Iwashita M. Hypoxia alters phosphorylation status of insulin-like growth factor (IGF)-binding protein-1 and attenuates biological activities of IGF-I in HepG2 cell cultures. J Obstet Gynaecol Res 2013; 39:1367-73. [DOI: 10.1111/jog.12078] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2012] [Accepted: 01/23/2013] [Indexed: 11/28/2022]
Affiliation(s)
- Tomonori Tsunawaki
- Department of Obstetrics and Gynecology; School of Medicine; Kyorin University; Tokyo Japan
| | - Keiji Sakai
- Department of Obstetrics and Gynecology; School of Medicine; Kyorin University; Tokyo Japan
| | - Mai Momomura
- Department of Obstetrics and Gynecology; School of Medicine; Kyorin University; Tokyo Japan
| | - Yuichi Wachi
- Department of Obstetrics and Gynecology; School of Medicine; Kyorin University; Tokyo Japan
| | - Yukiko Matsuzawa
- Department of Obstetrics and Gynecology; School of Medicine; Kyorin University; Tokyo Japan
| | - Mitsutoshi Iwashita
- Department of Obstetrics and Gynecology; School of Medicine; Kyorin University; Tokyo Japan
| |
Collapse
|
25
|
Hills FA, Mehmet H, Sullivan MH. Insulin-like growth factor-II and heparin are anti-apoptotic survival factors in human villous cytotrophoblast. Eur J Obstet Gynecol Reprod Biol 2012; 163:11-6. [DOI: 10.1016/j.ejogrb.2012.03.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2011] [Revised: 11/22/2011] [Accepted: 03/08/2012] [Indexed: 10/28/2022]
|
26
|
Abstract
During the last years, numerous consensuses have been held in different countries in order to review the data concerning diagnosis and treatment and their relationship with the ethnic origin, social status and lifestyle of women with Polycystic Ovary Syndrome (PCOS). This study describes the conclusions concerning diagnostic criteria and the appropriate treatment of women with PCOS reached during the International Symposium Polycystic Ovary Syndrome, First Latin-American Consensus held in Buenos Aires, Argentina on 4th and 5th May 2009 to be applied in South American.
Collapse
|
27
|
Tzschoppe A, Fahlbusch F, Seidel J, Dörr HG, Rascher W, Goecke TW, Beckmann MW, Schild RL, Struwe E, Dötsch J. Dexamethasone stimulates the expression of leptin and 11β-HSD2 in primary human placental trophoblastic cells. Eur J Obstet Gynecol Reprod Biol 2011; 156:50-5. [DOI: 10.1016/j.ejogrb.2011.01.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2010] [Revised: 12/30/2010] [Accepted: 01/08/2011] [Indexed: 10/18/2022]
|
28
|
Chetty M, Sawyer E, Dew T, Chapman AJ, Elson J. The use of novel biochemical markers in predicting spontaneously resolving 'pregnancies of unknown location'. Hum Reprod 2011; 26:1318-23. [DOI: 10.1093/humrep/der064] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
|
29
|
LV XH, SHI DZ. Variations in Serum Gonadotropin and Prolactin Levels during Consecutive Reproductive States in Mongolian Gerbils (Meriones unguiculatus). Exp Anim 2011; 60:169-76. [DOI: 10.1538/expanim.60.169] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Affiliation(s)
- Xiao-Hui LV
- College of Agriculture and Biotechnology, China Agricultural University
| | - Da-Zhao SHI
- College of Agriculture and Biotechnology, China Agricultural University
| |
Collapse
|
30
|
Beattie J, McIntosh L, van der Walle CF. Cross-talk between the insulin-like growth factor (IGF) axis and membrane integrins to regulate cell physiology. J Cell Physiol 2010; 224:605-11. [PMID: 20432472 DOI: 10.1002/jcp.22183] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The biology of cross-talk between activated growth factor receptors and cell-surface integrins is an area which has attracted much interest in recent years (Schwartz and Ginsberg, 2002). This review discusses the relationship between the insulin-like growth factor (IGF) axis and cell-surface integrin receptors in the regulation of various aspects of cell physiology. Key to these interactions are signals transmitted between integrins and the IGF-I receptor (IGF-IR) when either or both are bound to their cognate ligands and we will review the current state of knowledge in this area. The IGF axis comprises many molecular components and we will also discuss the potential role of these species in cross-talk with the integrin receptor. With respect to integrin ligands, we will mainly focus on the well-characterized interactions of the two extracellular matrix (ECM) glycoproteins fibronectin (FN) and vitronectin (VN) with cell-surface ligands, and, how this affects activity through the IGF axis. However, we will also highlight the importance of other integrin activation mechanisms and their impact on IGF activity.
Collapse
Affiliation(s)
- James Beattie
- Department of Oral Biology, Leeds Dental Institute, University of Leeds, Leeds, UK.
| | | | | |
Collapse
|
31
|
Heng S, Paule S, Hardman B, Li Y, Singh H, Rainczuk A, Stephens AN, Nie G. Posttranslational activation of bone morphogenetic protein 2 is mediated by proprotein convertase 6 during decidualization for pregnancy establishment. Endocrinology 2010; 151:3909-17. [PMID: 20555025 DOI: 10.1210/en.2010-0326] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Bone morphogenetic proteins (BMPs) require major posttranslational modifications to become biologically active. One such key modification is endoproteolytic cleavage of the initially synthesized nonactive precursor protein to release the mature ligand. Here we show in a physiological context of uterine stromal decidualization that BMP2 cleavage is mediated by proprotein convertase 5/6 (PC6). Decidualization is a uterine remodeling event critical for embryo implantation. Deletion or knockdown of either BMP2 or PC6 inhibits decidualization causing implantation failure and female infertility. In this study we provide biochemical and physiological evidence that PC6 proteolytically activates BMP2. We used freshly isolated primary human endometrial stromal cells and demonstrated that PC6 was the sole member of the PC family significantly up-regulated during decidualization. The precursor form of BMP2 was reduced, whereas its active form was increased during decidualization. Inhibition of PC6 activity inhibited decidualization, and this was accompanied by a total blockade of BMP2 activation. Addition of recombinant active BMP2 partially rescued the decidualization arrest caused by PC6 inhibition. PC6 processed BMP2 at the KREKR(282) downward arrow cleavage site, and mutating this site prevented the cleavage. This study thus demonstrates for the first time that the proteolytic activation and thus bioavailability of BMP2 is controlled by PC6.
Collapse
Affiliation(s)
- Sophea Heng
- Prince Henry's Institute of Medical Research, Clayton, Victoria 3168, Australia
| | | | | | | | | | | | | | | |
Collapse
|
32
|
Merkl M, Ulbrich SE, Otzdorff C, Herbach N, Wanke R, Wolf E, Handler J, Bauersachs S. Microarray analysis of equine endometrium at days 8 and 12 of pregnancy. Biol Reprod 2010; 83:874-86. [PMID: 20631402 DOI: 10.1095/biolreprod.110.085233] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Establishment and maintenance of pregnancy in equids is only partially understood. To provide new insights into early events of this process, we performed a systematic analysis of transcriptome changes in the endometrium at Days 8 and 12 of pregnancy. Endometrial biopsy samples from pregnant and nonpregnant stages were taken from the same mares. Composition of the collected biopsy samples was analyzed using quantitative stereological techniques to determine proportions of surface and glandular epithelium and blood vessels. Microarray analysis did not reveal detectable changes in gene expression at Day 8, whereas at Day 12 of pregnancy 374 differentially expressed genes were identified, 332 with higher and 42 with lower transcript levels in pregnant endometrium. Expression of selected genes was validated by quantitative real-time RT-PCR. Gene set enrichment analysis, functional annotation clustering, and cocitation analysis were performed to characterize the genes differentially expressed in Day 12 pregnant endometrium. Many known estrogen-induced genes and genes involved in regulation of estrogen signaling were found, but also genes known to be regulated by progesterone and prostaglandin E2. Additionally, differential expression of a number of genes related to angiogenesis and vascular remodeling suggests an important role of this process. Furthermore, genes that probably have conserved functions across species, such as CRYAB, ERRFI1, FGF9, IGFBP2, NR2F2, STC1, and TNFSF10, were identified. This study revealed the potential target genes and pathways of conceptus-derived estrogens, progesterone, and prostaglandin E2 in the equine endometrium probably involved in the early events of establishment and maintenance of pregnancy in the mare.
Collapse
Affiliation(s)
- M Merkl
- Clinic for Horses, Center for Clinical Veterinary Medicine, and Laboratory for Functional Genome Analysis (LAFUGA), Gene Center, Ludwig-Maximilians University of Munich, Munich, Germany
| | | | | | | | | | | | | | | |
Collapse
|
33
|
Rich RL, Myszka DG. Grading the commercial optical biosensor literature-Class of 2008: 'The Mighty Binders'. J Mol Recognit 2010; 23:1-64. [PMID: 20017116 DOI: 10.1002/jmr.1004] [Citation(s) in RCA: 109] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Optical biosensor technology continues to be the method of choice for label-free, real-time interaction analysis. But when it comes to improving the quality of the biosensor literature, education should be fundamental. Of the 1413 articles published in 2008, less than 30% would pass the requirements for high-school chemistry. To teach by example, we spotlight 10 papers that illustrate how to implement the technology properly. Then we grade every paper published in 2008 on a scale from A to F and outline what features make a biosensor article fabulous, middling or abysmal. To help improve the quality of published data, we focus on a few experimental, analysis and presentation mistakes that are alarmingly common. With the literature as a guide, we want to ensure that no user is left behind.
Collapse
Affiliation(s)
- Rebecca L Rich
- Center for Biomolecular Interaction Analysis, University of Utah, Salt Lake City, UT 84132, USA
| | | |
Collapse
|
34
|
Serafini P, Da Rocha AM, De Toledo Osório CAB, Smith GD, Hassun PA, da Silva IGDCG, Da Motta ELA, Baracat EC. Protein profile of the luteal phase endometrium by tissue microarray assessment. Gynecol Endocrinol 2009; 25:587-92. [PMID: 19557595 DOI: 10.1080/09513590902972018] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
To investigate the luteal phase endometrial expression of leukemia inhibitor factor (LIF), insulin-like growth factor 1 (IGF-1), progesterone receptor (PR), claudin 4 (CLDN4), vascular-endothelial growth factor receptor 3 (VEGFR-3), bone morphogenetic protein 4 (BMP-4) and citokeratin 7 (CK-7), we obtained luteal phase endometrial samples from 52 women. Samples were dated and integrated using a tissue microarray (TMA). Samples were immunostained for LIF, IGF-1, PR, CLDN4, VEGFR-3, BMP-4 and CK-7. Frequencies of positive expressions at the early, mid and late luteal phases were compared by two proportions test. Concomitant expression of these proteins was assessed with Chi-square or Fischer's test. The frequency of LIF was positively correlated to the frequency of IGF-1 (r = 0.99; p < 0.05) and PR (r = 0.99; p < 0.05), and the correlation between IGF-1 and PR tended to be significant (r = 0.98; p < 0.1). The expression of PR was associated with the absence of CLDN4 (p < 0.001). Thus, expression of LIF, IGF-1 and PR are correlated during the luteal phase, and immunohistochemistry for these proteins might be used to assist in the assessment of endometrial maturation. In addition, the expression of CLDN4 and PR was not concomitant, warranting further investigation on the relationship of their endometrial expression.
Collapse
Affiliation(s)
- Paulo Serafini
- Department of Gynecology, Faculty of Medicine, University of São Paulo, São Paulo, Brazil.
| | | | | | | | | | | | | | | |
Collapse
|
35
|
Su RW, Sun ZG, Zhao YC, Chen QJ, Yang ZM, Li RS, Wang J. The uterine expression of SEC63 gene is up-regulated at implantation sites in association with the decidualization during the early pregnancy in mice. Reprod Biol Endocrinol 2009; 7:12. [PMID: 19208265 PMCID: PMC2655295 DOI: 10.1186/1477-7827-7-12] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2008] [Accepted: 02/11/2009] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Sec63 is a key component of the protein translocation machinery in the mammalian endoplasmic reticulum (ER), and involved in the post-translation processing of secretory proteins. The aim of this study was to determine the expression pattern of SEC63 gene in mouse uterus during the early pregnancy. METHODS Real-time quantitative PCR and Western blot analyses were used to evaluate the alteration in levels of uterine SEC63 gene expression during the peri-implantation period in mice. Further, both in situ hybridization and immunohistochemical analyses were performed to examine the spatial localization of SEC63 gene expression in mouse uterine tissues. The presence of Sec63 protein in human uterine tissue was also detected by immunohistochemical analysis. Statistical analysis was carried out using Tukey test. RESULTS Uterine SEC63 gene expression was up-regulated and predominantly localized in mouse decidual cells during days 5-8 of pregnancy. More interestingly, Sec63 protein was also detected in human decidua of 10-week pregnancy, whereas was not observed in human endometrial tissues both at proliferative and secretory phases of menstrual cycle. CONCLUSION The pattern of SEC63 gene expression is consistent with a possible role for SEC63 in decidualization.
Collapse
Affiliation(s)
- Ren-wei Su
- School of Life Science, Xiamen University, Xiamen 361005, PR China.
| | | | | | | | | | | | | |
Collapse
|