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Rodríguez-Eguren A, Bueno-Fernandez C, Gómez-Álvarez M, Francés-Herrero E, Pellicer A, Bellver J, Seli E, Cervelló I. Evolution of biotechnological advances and regenerative therapies for endometrial disorders: a systematic review. Hum Reprod Update 2024:dmae013. [PMID: 38796750 DOI: 10.1093/humupd/dmae013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 04/12/2024] [Indexed: 05/28/2024] Open
Abstract
BACKGROUND The establishment and maintenance of pregnancy depend on endometrial competence. Asherman syndrome (AS) and intrauterine adhesions (IUA), or endometrial atrophy (EA) and thin endometrium (TE), can either originate autonomously or arise as a result from conditions (i.e. endometritis or congenital hypoplasia), or medical interventions (e.g. surgeries, hormonal therapies, uterine curettage or radiotherapy). Affected patients may present an altered or inadequate endometrial lining that hinders embryo implantation and increases the risk of poor pregnancy outcomes and miscarriage. In humans, AS/IUA and EA/TE are mainly treated with surgeries or pharmacotherapy, however the reported efficacy of these therapeutic approaches remains unclear. Thus, novel regenerative techniques utilizing stem cells, growth factors, or tissue engineering have emerged to improve reproductive outcomes. OBJECTIVE AND RATIONALE This review comprehensively summarizes the methodologies and outcomes of emerging biotechnologies (cellular, acellular, and bioengineering approaches) to treat human endometrial pathologies. Regenerative therapies derived from human tissues or blood which were studied in preclinical models (in vitro and in vivo) and clinical trials are discussed. SEARCH METHODS A systematic search of full-text articles available in PubMed and Embase was conducted to identify original peer-reviewed studies published in English between January 2000 and September 2023. The search terms included: human, uterus, endometrium, Asherman syndrome, intrauterine adhesions, endometrial atrophy, thin endometrium, endometritis, congenital hypoplasia, curettage, radiotherapy, regenerative therapy, bioengineering, stem cells, vesicles, platelet-rich plasma, biomaterials, microfluidic, bioprinting, organoids, hydrogel, scaffold, sheet, miRNA, sildenafil, nitroglycerine, aspirin, growth hormone, progesterone, and estrogen. Preclinical and clinical studies on cellular, acellular, and bioengineering strategies to repair or regenerate the human endometrium were included. Additional studies were identified through manual searches. OUTCOMES From a total of 4366 records identified, 164 studies (3.8%) were included for systematic review. Due to heterogeneity in the study design and measured outcome parameters in both preclinical and clinical studies, the findings were evaluated qualitatively and quantitatively without meta-analysis. Groups using stem cell-based treatments for endometrial pathologies commonly employed mesenchymal stem cells (MSCs) derived from the human bone marrow or umbilical cord. Alternatively, acellular therapies based on platelet-rich plasma (PRP) or extracellular vesicles are gaining popularity. These are accompanied by the emergence of bioengineering strategies based on extracellular matrix (ECM)-derived hydrogels or synthetic biosimilars that sustain local delivery of cells and growth factors, reporting promising results. Combined therapies that target multiple aspects of tissue repair and regeneration remain in preclinical testing but have shown translational value. This review highlights the myriad of therapeutic material sources, administration methods, and carriers that have been tested. WIDER IMPLICATIONS Therapies that promote endometrial proliferation, vascular development, and tissue repair may help restore endometrial function and, ultimately, fertility. Based on the existing evidence, cost, accessibility, and availability of the therapies, we propose the development of triple-hit regenerative strategies, potentially combining high-yield MSCs (e.g. from bone marrow or umbilical cord) with acellular treatments (PRP), possibly integrated in ECM hydrogels. Advances in biotechnologies together with insights from preclinical models will pave the way for developing personalized treatment regimens for patients with infertility-causing endometrial disorders such as AS/IUA, EA/TE, and endometritis. REGISTRATION NUMBER https://osf.io/th8yf/.
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Affiliation(s)
- Adolfo Rodríguez-Eguren
- IVIRMA Global Research Alliance, IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, CT, USA
| | - Clara Bueno-Fernandez
- IVIRMA Global Research Alliance, IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain
- Department of Paediatrics, Obstetrics and Gynecology, Faculty of Medicine, University of Valencia, Valencia, Spain
| | - María Gómez-Álvarez
- IVIRMA Global Research Alliance, IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain
| | - Emilio Francés-Herrero
- IVIRMA Global Research Alliance, IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain
- Department of Paediatrics, Obstetrics and Gynecology, Faculty of Medicine, University of Valencia, Valencia, Spain
| | - Antonio Pellicer
- Department of Paediatrics, Obstetrics and Gynecology, Faculty of Medicine, University of Valencia, Valencia, Spain
- IVIRMA Global Research Alliance, IVI Rome, Rome, Italy
| | - José Bellver
- IVIRMA Global Research Alliance, IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain
- Department of Paediatrics, Obstetrics and Gynecology, Faculty of Medicine, University of Valencia, Valencia, Spain
- IVIRMA Global Research Alliance, IVI Valencia, Valencia, Spain
| | - Emre Seli
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, CT, USA
- IVIRMA Global Research Alliance, IVIRMA New Jersey, Basking Ridge, NJ, USA
| | - Irene Cervelló
- IVIRMA Global Research Alliance, IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain
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Arikan G, Turan V, Kurekeken M, Goksoy HS, Dogusan Z. Autologous bone marrow-derived nucleated cell (aBMNC) transplantation improves endometrial function in patients with refractory Asherman's syndrome or with thin and dysfunctional endometrium. J Assist Reprod Genet 2023; 40:1163-1171. [PMID: 36662355 PMCID: PMC10239402 DOI: 10.1007/s10815-023-02727-w] [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: 10/19/2022] [Accepted: 01/11/2023] [Indexed: 01/21/2023] Open
Abstract
PURPOSE The purpose was to evaluate the effect of intrauterine injection of aBMNC on the endometrial function in patients with refractory Asherman's syndrome (AS) and/or thin and dysfunctional endometrium (TE). STUDY DESIGN This is a prospective, experimental, non-controlled study MATERIAL AND METHODS: The study was carried out between December 2018 and December 2020 on 20 patients, who were of age < 45 years and had oligo/amenorrhea and primary infertility due to refractory AS and/or TE. One hundred ml BM was extracted. aBMNC cells were separated according to generic volume reduction protocol by using the Cell Separation System SEPAX S-100 table top centrifuge system. We have evaluated CD34+, mononuclear cell (MNC), and total nucleated cell (TNC) counts. The transplantation aBMNC was performed by two intrauterine injections at an interval of one week, transvaginally into the endometrial-myometrial junction by an ovum aspiration needle. Midcyclic endometrial thickness (ET) and gestations after transplantation were evaluated. RESULTS The mean TNC, MNC, and CD34+ cells were 11.55 ± 4.7 × 108, 3.85 ± 2.01 × 108, and 7.00 ± 2.88 × 106 at first injection, respectively, and 6.85 ± 2.67 × 108, 2.04 ± 1.11 × 108, and 3.44 ± 1.31 × 106 at second injection, respectively. The maximum posttransplantation ET was significantly higher than the maximum pretransplantation ET: 2.97 ± 0.48 vs. 5.76 ± 1.19 (mean ± standard deviation, p < 0.01). Twelve patients had frozen-thaw embryo transfers after the study. In 42% (n = 5 of 12) of the patients, pregnancy was achieved. One of the five patients delivered a healthy baby at term. CONCLUSIONS Autologous BMNC transplantation may contribute to endometrial function in patients with AS and/or TE.
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Affiliation(s)
- Gurkan Arikan
- Department of Obstetrics and Gynecology, Altinbaş University, Medical Park Bahçelievler Hospital, Kültür Sok. No. 1 E5 Yolu, 34160 Bahçelievler, Istanbul, Turkey.
| | - Volkan Turan
- Department of Obstetrics and Gynecology, Altinbaş University, Medical Park Bahçelievler Hospital, Kültür Sok. No. 1 E5 Yolu, 34160 Bahçelievler, Istanbul, Turkey
- Istanbul Health and Technology University, Faculty of Medicine, Istanbul, Turkey
| | - Meryem Kurekeken
- Department of Obstetrics and Gynecology, Altinbaş University, Medical Park Bahçelievler Hospital, Kültür Sok. No. 1 E5 Yolu, 34160 Bahçelievler, Istanbul, Turkey
- Reproductive Medicine and Infertility Center, Hisar Intercontinental Hospital, Istanbul, Turkey
| | - Hasan Sami Goksoy
- Department of Hematology, Yeni Yuzyil University Gaziosmanpaşa Hospital, Istanbul, Turkey
| | - Zeynep Dogusan
- Bone Marrow Transplantation Center, Yeni Yuzyil University Gaziosmanpaşa Hospital, Istanbul, Turkey
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Chen K, Zheng S, Fang F. Endometrial Stem Cells and Their Applications in Intrauterine Adhesion. Cell Transplant 2023; 32:9636897231159561. [PMID: 36891869 PMCID: PMC9998408 DOI: 10.1177/09636897231159561] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/10/2023] Open
Abstract
Intrauterine adhesion (IUA), resulting from pregnancy or nonpregnant uterine trauma, is one of the major causes of abnormal menstruation, infertility, or repeated pregnancy loss. Although a few methods, including hysteroscopy and hormone therapy, are routinely used for its diagnosis and treatment, they cannot restore tissue regeneration. Stem cells, which have self-renewal and tissue regeneration abilities, have been proposed as a promising therapy for patients with severe IUAs. In this review, we summarize the origin and features of endometrium-associated stem cells and their applications in the treatment of IUAs based on animal models and human clinical trials. We expect that this information will help to elucidate the underlying mechanism for tissue regeneration and to improve the design of stem cell-based therapies for IUAs.
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Affiliation(s)
- Kai Chen
- Reproductive Medicine Center & Department of Obstetrics and Gynecology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.,Wannan Medical College, Wuhu, China
| | - Shengxia Zheng
- Reproductive Medicine Center & Department of Obstetrics and Gynecology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.,The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Fang Fang
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
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Ludke A, Hatta K, Yao A, Li RK. Uterus: A Unique Stem Cell Reservoir Able to Support Cardiac Repair via Crosstalk among Uterus, Heart, and Bone Marrow. Cells 2022; 11:cells11142182. [PMID: 35883625 PMCID: PMC9324611 DOI: 10.3390/cells11142182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/09/2022] [Accepted: 07/12/2022] [Indexed: 11/16/2022] Open
Abstract
Clinical evidence suggests that the prevalence of cardiac disease is lower in premenopausal women compared to postmenopausal women and men. Although multiple factors contribute to this difference, uterine stem cells may be a major factor, as a high abundance of these cells are present in the uterus. Uterine-derived stem cells have been reported in several studies as being able to contribute to cardiac neovascularization after injury. However, our studies uniquely show the presence of an “utero-cardiac axis”, in which uterine stem cells are able to home to cardiac tissue to promote tissue repair. Additionally, we raise the possibility of a triangular relationship among the bone marrow, uterus, and heart. In this review, we discuss the exchange of stem cells across different organs, focusing on the relationship that exists between the heart, uterus, and bone marrow. We present increasing evidence for the existence of an utero-cardiac axis, in which the uterus serves as a reservoir for cardiac reparative stem cells, similar to the bone marrow. These cells, in turn, are able to migrate to the heart in response to injury to promote healing.
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Affiliation(s)
- Ana Ludke
- Division of Cardiovascular Surgery, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada; (A.L.); (K.H.); (A.Y.)
| | - Kota Hatta
- Division of Cardiovascular Surgery, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada; (A.L.); (K.H.); (A.Y.)
| | - Alina Yao
- Division of Cardiovascular Surgery, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada; (A.L.); (K.H.); (A.Y.)
| | - Ren-Ke Li
- Division of Cardiovascular Surgery, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada; (A.L.); (K.H.); (A.Y.)
- Division of Cardiac Surgery, Department of Surgery, University of Toronto, Toronto, ON M5T 1P5, Canada
- Correspondence: ; Tel.: +1-416-581-7492
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5
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The Role of Endometrial Stem/Progenitor Cells in Recurrent Reproductive Failure. J Pers Med 2022; 12:jpm12050775. [PMID: 35629197 PMCID: PMC9143189 DOI: 10.3390/jpm12050775] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/06/2022] [Accepted: 05/09/2022] [Indexed: 02/06/2023] Open
Abstract
Recurrent implantation failure (RIF) and recurrent pregnancy loss (RPL), collectively referred to as recurrent reproductive failure (RRF), are both challenging conditions with many unanswered questions relating to causes and management options. Both conditions are proposed to be related to an aberrant endometrial microenvironment, with different proposed aetiologies related to a restrictive or permissive endometrium for an invading embryo. The impressive regenerative capacity of the human endometrium has been well-established and has led to the isolation and characterisation of several subtypes of endometrial stem/progenitor cells (eSPCs). eSPCs are known to be involved in the pathogenesis of endometrium-related disorders (such as endometriosis) and have been proposed to be implicated in the pathogenesis of RRF. This review appraises the current knowledge of eSPCs, and their involvement in RRF, highlighting the considerable unknown aspects in this field, and providing avenues for future research to facilitate much-needed advances in the diagnosis and management of millions of women suffering with RRF.
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Umur N, İldan Çalım S, Yazıcı GN, Gurgen SG. Investigation of the effect of metoclopramide on proliferation signal molecules in breast tissue. Int J Exp Pathol 2022; 103:83-89. [PMID: 35243705 DOI: 10.1111/iep.12433] [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: 10/30/2021] [Revised: 01/21/2022] [Accepted: 02/08/2022] [Indexed: 11/30/2022] Open
Abstract
Metoclopramide (MCP) is a drug that has been widely used in recent years due to its hyperprolactinaemia effect on mothers during breastfeeding. The aim of this study was to investigate the proliferative changes that MCP may cause in the maternal breast tissue. In this study, 18 Wistar albino young-adult breastfeeding mothers with their offspring were divided into three groups: control group, low-dose MCP-applied group and high-dose MCP-applied group. The experiment was carried out during the lactation period and at the end of 21 days. Prolactin, BrdU and Ki-67 breast tissue distributions were evaluated by immunohistochemistry, and tissue levels were evaluated biochemically by the ELISA method. According to ELISA and immunohistochemistry results in breast tissue, there was no significant difference between Ki-67 and BrdU results in all groups. Metoclopramide did not change the expression of proliferation molecules Ki-67 and BrdU in breast tissue. These results suggested that while metoclopramide increases breast proliferation, it does not have the risk of transforming the tissue into a tumour.
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Affiliation(s)
- Nurcan Umur
- Department of Molecular Biology, School of Vocational Health Service, Manisa Celal Bayar University, Manisa, Turkey
| | - Selda İldan Çalım
- Department of Midwifery, Faculty of Health Sciences, Manisa Celal Bayar University, Erzincan, Turkey
| | - Gülce Naz Yazıcı
- Department of Histology and Embryology, Faculty of Medicine, Erzincan Binali Yildirim University, Erzincan, Turkey
| | - Seren Gulsen Gurgen
- Department of Histology and Embryology, School of Vocational Health Service, Manisa Celal Bayar University, Erzincan, Turkey
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Cousins FL, Filby CE, Gargett CE. Endometrial Stem/Progenitor Cells–Their Role in Endometrial Repair and Regeneration. FRONTIERS IN REPRODUCTIVE HEALTH 2022; 3:811537. [PMID: 36304009 PMCID: PMC9580754 DOI: 10.3389/frph.2021.811537] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 12/23/2021] [Indexed: 12/12/2022] Open
Abstract
The human endometrium is a remarkable tissue, undergoing ~450 cycles of proliferation, differentiation, shedding (menstruation), repair, and regeneration over a woman's reproductive lifespan. Post-menstrual repair is an extremely rapid and scar-free process, with re-epithelialization of the luminal epithelium completed within 48 h of initiation of shedding. Following menstruation, the functionalis grows from the residual basalis layer during the proliferative phase under the influence of rising circulating estrogen levels. The regenerative capacity of the endometrium is attributed to stem/progenitor cells which reside in both the epithelial and stromal cell compartments of the basalis layer. Finding a definitive marker for endometrial epithelial progenitors (eEPCs) has proven difficult. A number of different markers have been suggested as putative progenitor markers including, N-cadherin, SSEA-1, AXIN2, SOX-9 and ALDH1A1, some of which show functional stem cell activity in in vitro assays. Each marker has a unique location(s) in the glandular epithelium, which has led to the suggestion that a differentiation hierarchy exists, from the base of epithelial glands in the basalis to the luminal epithelium lining the functionalis, where epithelial cells express different combinations of markers as they differentiate and move up the gland into the functionalis away from the basalis niche. Perivascular endometrial mesenchymal stem cells (eMSCs) can be identified by co-expression of PDGFRβ and CD146 or by a single marker, SUSD2. This review will detail the known endometrial stem/progenitor markers; their identity, location and known interactions and hierarchy across the menstrual cycle, in particular post-menstrual repair and estrogen-driven regeneration, as well as their possible contributions to menstruation-related disorders such as endometriosis and regeneration-related disorder Asherman's syndrome. We will also highlight new techniques that allow for a greater understanding of stem/progenitor cells' role in repair and regeneration, including 3D organoids, 3D slice cultures and gene sequencing at the single cell level. Since mouse models are commonly used to study menstruation, repair and regeneration we will also detail the mouse stem/progenitor markers that have been investigated in vivo.
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Affiliation(s)
- Fiona L. Cousins
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, VIC, Australia
- Department of Obstetrics and Gynecology, Monash University, Clayton, VIC, Australia
- *Correspondence: Fiona L. Cousins
| | - Caitlin E. Filby
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, VIC, Australia
- Department of Obstetrics and Gynecology, Monash University, Clayton, VIC, Australia
| | - Caroline E. Gargett
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, VIC, Australia
- Department of Obstetrics and Gynecology, Monash University, Clayton, VIC, Australia
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8
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Tal R, Kisa J, Abuwala N, Kliman HJ, Shaikh S, Chen AY, Lyu F, Taylor HS. Bone marrow-derived progenitor cells contribute to remodeling of the postpartum uterus. Stem Cells 2021; 39:1489-1505. [PMID: 34224633 PMCID: PMC9313624 DOI: 10.1002/stem.3431] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 06/18/2021] [Indexed: 11/11/2022]
Abstract
Endometrial stem/progenitor cells play a role in postpartum uterine tissue regeneration, but the underlying mechanisms are poorly understood. While circulating bone marrow (BM)-derived cells (BMDCs) contribute to nonhematopoietic endometrial cells, the contribution of BMDCs to postpartum uterus remodeling is unknown. We investigated the contribution of BMDCs to the postpartum uterus using 5-fluorouracil-based nongonadotoxic BM transplant from green fluorescent protein (GFP) donors into wild-type C57BL/6J female mice. Flow cytometry showed an influx of GFP+ cells to the uterus immediately postpartum accounting for 28.7% of total uterine cells, followed by a rapid decrease to prepregnancy levels. The majority of uterine GFP+ cells were CD45+ leukocytes, and the proportion of nonhematopoietic CD45-GFP+ cells peaked on postpartum day (PPD) 1 (17.5%). Immunofluorescence colocalization of GFP with CD45 pan-leukocyte and F4/80 macrophage markers corroborated these findings. GFP+ cells were found mostly in subepithelial stromal location. Importantly, GFP+ cytokeratin-positive epithelial cells were found within the luminal epithelium exclusively on PPD1, demonstrating direct contribution to postpartum re-epithelialization. A subset (3.2%) of GFP+ cells were CD31+CD45- endothelial cells, and found integrated within blood vessel endothelium. Notably, BM-derived GFP+ cells demonstrated preferential proliferation (PCNA+) and apoptosis (TUNEL+) on PPD1 vs resident GFP- cells, suggesting an active role for BMDCs in rapid tissue turnover. Moreover, GFP+ cells gradually acquired cell senescence together with decreased proliferation throughout the postpartum. In conclusion, BM-derived progenitors were found to have a novel nonhematopoietic cellular contribution to postpartum uterus remodeling. This contribution may have an important functional role in physiological as well as pathological postpartum endometrial regeneration.
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Affiliation(s)
- Reshef Tal
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - Jacqueline Kisa
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - Nafeesa Abuwala
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - Harvey J Kliman
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - Shafiq Shaikh
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - Alice Y Chen
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - Fang Lyu
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - Hugh S Taylor
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
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Oliveira FR, Casalechi M, Carneiro MM, de Ávila I, Dela Cruz C, Del Puerto HL, Camargos AF, Abrão MS, Reis FM. Immunolocalization of stem/progenitor cell biomarkers Oct-4, C-kit and Musashi-1 in endometriotic lesions. Mol Biol Rep 2021; 48:6863-6870. [PMID: 34468911 DOI: 10.1007/s11033-021-06685-3] [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: 07/12/2021] [Accepted: 08/23/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND Human endometrium harbors stem/progenitor cells (SPCs) that may contribute to the establishment of endometriosis when seeded outside the uterus. Oct-4, C-kit and Musashi-1 are some of the many proteins used to characterize SPCs, but their association with endometriosis is uncertain. OBJECTIVE AND DESIGN In this study, specimens of normal endometrium (n = 12), eutopic endometrium from women with endometriosis (n = 9), superficial peritoneal endometriosis (SUP, n = 12) and deep endometriosis (DE, n = 13) lesions were evaluated for localization and intensity of immunostaining for Oct-4, C-kit and Musashi-1. RESULTS The three markers were abundantly expressed in normal endometrium, eutopic endometrium from endometriosis patients, SUP and DE specimens. Oct-4 and C-kit expression did not vary across groups as regards intensity or frequency. C-kit staining signal was seldom detected in vascular endothelium of normal or eutopic endometrium from endometriosis patients; however, it was positive in 67% of the SUP lesions and in 25% of the DE lesions (p = 0.042). Musashi-1 was expressed in some endometriotic glands as cell clusters, but its signal was similar between the four types of tissue (p = 0.971) CONCLUSION: The wide distribution of Oct-4, C-kit and Musashi-1 in endometria of patients with and without endometriosis and in SUP and DE endometriotic lesions suggests that these markers are not suitable for the in situ characterization of endometrial SPCs and should not be taken as surrogates for the study of SPCs in the pathogenesis of endometriosis.
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Affiliation(s)
- Flavia R Oliveira
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Maíra Casalechi
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Márcia M Carneiro
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Ivete de Ávila
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Cynthia Dela Cruz
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Helen L Del Puerto
- Department of Pathology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Aroldo F Camargos
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Maurício S Abrão
- Gynecologic Division, BP - A Beneficência Portuguesa de São Paulo, São Paulo, Brazil
- Obstetrics and Gynecology Department, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Fernando M Reis
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
- Division of Human Reproduction, Department of Obstetrics and Gynecology, Hospital das Clínicas, UFMG, Av. Alfredo Balena, 110, 9˚ andar, Belo Horizonte, MG, 30130-100, Brazil.
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10
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Abstract
Uniquely among adult tissues, the human endometrium undergoes cyclical shedding, scar-free repair and regeneration during a woman's reproductive life. Therefore, it presents an outstanding model for study of such processes. This Review examines what is known of endometrial repair and regeneration following menstruation and parturition, including comparisons with wound repair and the influence of menstrual fluid components. We also discuss the contribution of endometrial stem/progenitor cells to endometrial regeneration, including the importance of the stem cell niche and stem cell-derived extracellular vesicles. Finally, we comment on the value of endometrial epithelial organoids to extend our understanding of endometrial development and regeneration, as well as therapeutic applications.
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Affiliation(s)
- Lois A Salamonsen
- Centre for Reproductive Health, Clayton, Victoria 3168, Australia.,Department of Molecular and Translational Science, Clayton, Victoria 3168, Australia
| | - Jennifer C Hutchison
- Centre for Reproductive Health, Clayton, Victoria 3168, Australia.,Department of Molecular and Translational Science, Clayton, Victoria 3168, Australia
| | - Caroline E Gargett
- Ritchie Centre, Hudson Institute of Medical Research, 25-31 Wright St, Clayton, Victoria 3168, Australia.,Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria 3168, Australia
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11
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Hennes DMZB, Rosamilia A, Werkmeister JA, Gargett CE, Mukherjee S. Endometrial SUSD2 + Mesenchymal Stem/Stromal Cells in Tissue Engineering: Advances in Novel Cellular Constructs for Pelvic Organ Prolapse. J Pers Med 2021; 11:jpm11090840. [PMID: 34575617 PMCID: PMC8471527 DOI: 10.3390/jpm11090840] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 08/19/2021] [Accepted: 08/21/2021] [Indexed: 12/15/2022] Open
Abstract
Cellular therapy is an emerging field in clinical and personalised medicine. Many adult mesenchymal stem/progenitor cells (MSC) or pluripotent derivatives are being assessed simultaneously in preclinical trials for their potential treatment applications in chronic and degenerative human diseases. Endometrial mesenchymal stem/progenitor cells (eMSC) have been identified as clonogenic cells that exist in unique perivascular niches within the uterine endometrium. Compared with MSC isolated from other tissue sources, such as bone marrow and adipose tissue, eMSC can be extracted through less invasive methods of tissue sampling, and they exhibit improvements in potency, proliferative capacity, and control of culture-induced differentiation. In this review, we summarize the potential cell therapy and tissue engineering applications of eMSC in pelvic organ prolapse (POP), emphasising their ability to exert angiogenic and strong immunomodulatory responses that improve tissue integration of novel surgical constructs for POP and promote vaginal tissue healing.
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Affiliation(s)
- David M. Z. B. Hennes
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (A.R.); (J.A.W.); (C.E.G.)
- Department of Obstetrics and Gynaecology, Monash University, Clayton, VIC 3168, Australia
- Pelvic Floor Disorders Unit, Monash Health, Clayton, VIC 3168, Australia
- Correspondence: (D.M.Z.B.H.); (S.M.)
| | - Anna Rosamilia
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (A.R.); (J.A.W.); (C.E.G.)
- Department of Obstetrics and Gynaecology, Monash University, Clayton, VIC 3168, Australia
- Pelvic Floor Disorders Unit, Monash Health, Clayton, VIC 3168, Australia
| | - Jerome A. Werkmeister
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (A.R.); (J.A.W.); (C.E.G.)
- Department of Obstetrics and Gynaecology, Monash University, Clayton, VIC 3168, Australia
| | - Caroline E. Gargett
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (A.R.); (J.A.W.); (C.E.G.)
- Department of Obstetrics and Gynaecology, Monash University, Clayton, VIC 3168, Australia
| | - Shayanti Mukherjee
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (A.R.); (J.A.W.); (C.E.G.)
- Department of Obstetrics and Gynaecology, Monash University, Clayton, VIC 3168, Australia
- Correspondence: (D.M.Z.B.H.); (S.M.)
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12
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Lv Q, Wang L, Luo X, Chen X. Adult stem cells in endometrial regeneration: Molecular insights and clinical applications. Mol Reprod Dev 2021; 88:379-394. [PMID: 34014590 PMCID: PMC8362170 DOI: 10.1002/mrd.23476] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 03/23/2021] [Accepted: 04/22/2021] [Indexed: 02/06/2023]
Abstract
Endometrial damage is an important cause of female reproductive problems, manifested as menstrual abnormalities, infertility, recurrent pregnancy loss, and other complications. These conditions are collectively termed "Asherman syndrome" (AS) and are typically associated with recurrent induced pregnancy terminations, repeated diagnostic curettage and intrauterine infections. Cancer treatment also has unexpected detrimental side effects on endometrial function in survivors independently of ovarian effects. Endometrial stem cells act in the regeneration of the endometrium and in repair through direct differentiation or paracrine effects. Nonendometrial adult stem cells, such as bone marrow-derived mesenchymal stem cells and umbilical cord-derived mesenchymal stem cells, with autologous and allogenic applications, can also repair injured endometrial tissue in animal models of AS and in human studies. However, there remains a lack of research on the repair of the damaged endometrium after the reversal of tumors, especially endometrial cancers. Here, we review the biological mechanisms of endometrial regeneration, and research progress and challenges for adult stem cell therapy for damaged endometrium, and discuss the potential applications of their use for endometrial repair after cancer remission, especially in endometrial cancers. Successful application of such cells will improve reproductive parameters in patients with AS or cancer. Significance: The endometrium is the fertile ground for embryos, but damage to the endometrium will greatly impair female fertility. Adult stem cells combined with tissue engineering scaffold materials or not have made great progress in repairing the injured endometrium due to benign lesions. However, due to the lack of research on the repair of the damaged endometrium caused by malignant tumors or tumor therapies, the safety and effectiveness of such stem cell-based therapies need to be further explored. This review focuses on the molecular insights and clinical application potential of adult stem cells in endometrial regeneration and discusses the possible challenges or difficulties that need to be overcome in stem cell-based therapies for tumor survivors. The development of adult stem cell-related new programs will help repair damaged endometrium safely and effectively and meet fertility needs in tumor survivors.
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Affiliation(s)
- Qiaoying Lv
- Department of GynecologyObstetrics and Gynecology Hospital of Fudan UniversityShanghaiChina
| | - Lulu Wang
- Department of GynecologyObstetrics and Gynecology Hospital of Fudan UniversityShanghaiChina
| | - Xuezhen Luo
- Department of GynecologyObstetrics and Gynecology Hospital of Fudan UniversityShanghaiChina
| | - Xiaojun Chen
- Department of GynecologyObstetrics and Gynecology Hospital of Fudan UniversityShanghaiChina
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13
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Abuwala N, Tal R. Endometrial stem cells: origin, biological function, and therapeutic applications for reproductive disorders. Curr Opin Obstet Gynecol 2021; 33:232-240. [PMID: 33896919 PMCID: PMC9313610 DOI: 10.1097/gco.0000000000000702] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
PURPOSE OF REVIEW Endometrial stem cells (ESCs) are multipotent cells that are thought to originate locally in the endometrium as well as in the bone marrow (BM). They have remarkable plasticity and hold promise as an autologous source for regenerative medicine. This review focuses on recent studies that have advanced our understanding of the biology and function of ESCs and BM-derived stem cells (BMDSCs) as related to physiological reproductive processes and pathologies. Moreover, it reviews recent data on potential therapeutic applications of stem cells to endometrial disorders that lead to reproductive failure. RECENT FINDINGS Growing evidence from basic and preclinical studies suggests that ESCs participate in endometrial tissue regeneration and repair. Recent evidence also suggests that ESCs and BMDSCs play important roles in physiological reproductive functions including decidualization, implantation, pregnancy maintenance, and postpartum uterine remodeling. Initial preclinical and clinical studies with ESCs and BMDSCs suggest they have the potential to provide new therapies for various endometrial disorders associated with reproductive failure. SUMMARY Uterine ESCs and BMDSCs appear to play an important biological role in reproductive success and failure, and have the potential to become treatment targets for reproductive diseases including recurrent implantation failure, thin endometrium, Asherman, and recurrent pregnancy loss.
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Affiliation(s)
- Nafeesa Abuwala
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - Reshef Tal
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
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14
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Cousins FL, Pandoy R, Jin S, Gargett CE. The Elusive Endometrial Epithelial Stem/Progenitor Cells. Front Cell Dev Biol 2021; 9:640319. [PMID: 33898428 PMCID: PMC8063057 DOI: 10.3389/fcell.2021.640319] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 03/22/2021] [Indexed: 12/20/2022] Open
Abstract
The human endometrium undergoes approximately 450 cycles of proliferation, differentiation, shedding and regeneration over a woman's reproductive lifetime. The regenerative capacity of the endometrium is attributed to stem/progenitor cells residing in the basalis layer of the tissue. Mesenchymal stem cells have been extensively studied in the endometrium, whereas endometrial epithelial stem/progenitor cells have remained more elusive. This review details the discovery of human and mouse endometrial epithelial stem/progenitor cells. It highlights recent significant developments identifying putative markers of these epithelial stem/progenitor cells that reveal their in vivo identity, location in both human and mouse endometrium, raising common but also different viewpoints. The review also outlines the techniques used to identify epithelial stem/progenitor cells, specifically in vitro functional assays and in vivo lineage tracing. We will also discuss their known interactions and hierarchy and known roles in endometrial dynamics across the menstrual or estrous cycle including re-epithelialization at menses and regeneration of the tissue during the proliferative phase. We also detail their potential role in endometrial proliferative disorders such as endometriosis.
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Affiliation(s)
- Fiona L. Cousins
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, VIC, Australia
- Department of Obstetrics and Gynecology, Monash University, Clayton, VIC, Australia
| | - Ronald Pandoy
- Buck Institute for Research on Aging, Novato, CA, United States
| | - Shiying Jin
- Buck Institute for Research on Aging, Novato, CA, United States
| | - Caroline E. Gargett
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, VIC, Australia
- Department of Obstetrics and Gynecology, Monash University, Clayton, VIC, Australia
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15
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Kirkwood PM, Gibson DA, Smith JR, Wilson-Kanamori JR, Kelepouri O, Esnal-Zufiaurre A, Dobie R, Henderson NC, Saunders PTK. Single-cell RNA sequencing redefines the mesenchymal cell landscape of mouse endometrium. FASEB J 2021; 35:e21285. [PMID: 33710643 PMCID: PMC9328940 DOI: 10.1096/fj.202002123r] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 11/26/2020] [Accepted: 12/01/2020] [Indexed: 12/11/2022]
Abstract
The endometrium is a dynamic tissue that exhibits remarkable resilience to repeated episodes of differentiation, breakdown, regeneration, and remodeling. Endometrial physiology relies on a complex interplay between the stromal and epithelial compartments with the former containing a mixture of fibroblasts, vascular, and immune cells. There is evidence for rare populations of putative mesenchymal progenitor cells located in the perivascular niche of human endometrium, but the existence of an equivalent cell population in mouse is unclear. We used the Pdgfrb‐BAC‐eGFP transgenic reporter mouse in combination with bulk and single‐cell RNA sequencing to redefine the endometrial mesenchyme. In contrast to previous reports we show that CD146 is expressed in both PDGFRβ + perivascular cells and CD31 + endothelial cells. Bulk RNAseq revealed cells in the perivascular niche which express the high levels of Pdgfrb as well as genes previously identified in pericytes and/or vascular smooth muscle cells (Acta2, Myh11, Olfr78, Cspg4, Rgs4, Rgs5, Kcnj8, and Abcc9). scRNA‐seq identified five subpopulations of cells including closely related pericytes/vascular smooth muscle cells and three subpopulations of fibroblasts. All three fibroblast populations were PDGFRα+/CD34 + but were distinct in their expression of Ngfr/Spon2/Angptl7 (F1), Cxcl14/Smoc2/Rgs2 (F2), and Clec3b/Col14a1/Mmp3 (F3), with potential functions in the regulation of immune responses, response to wounding, and organization of extracellular matrix, respectively. Immunohistochemistry was used to investigate the spatial distribution of these populations revealing F1/NGFR + cells in most abundance beside epithelial cells. We provide the first definitive analysis of mesenchymal cells in the adult mouse endometrium identifying five subpopulations providing a platform for comparisons between mesenchymal cells in endometrium and other adult tissues which are prone to fibrosis.
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Affiliation(s)
- Phoebe M Kirkwood
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom
| | - Douglas A Gibson
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom
| | - James R Smith
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom
| | | | - Olympia Kelepouri
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom
| | | | - Ross Dobie
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom
| | - Neil C Henderson
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom.,MRC Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Philippa T K Saunders
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom
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16
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de Miguel-Gómez L, López-Martínez S, Francés-Herrero E, Rodríguez-Eguren A, Pellicer A, Cervelló I. Stem Cells and the Endometrium: From the Discovery of Adult Stem Cells to Pre-Clinical Models. Cells 2021; 10:cells10030595. [PMID: 33800355 PMCID: PMC7998473 DOI: 10.3390/cells10030595] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 02/25/2021] [Accepted: 03/04/2021] [Indexed: 02/06/2023] Open
Abstract
Adult stem cells (ASCs) were long suspected to exist in the endometrium. Indeed, several types of endometrial ASCs were identified in rodents and humans through diverse isolation and characterization techniques. Putative stromal and epithelial stem cell niches were identified in murine models using label-retention techniques. In humans, functional methods (clonogenicity, long-term culture, and multi-lineage differentiation assays) and stem cell markers (CD146, SUSD2/W5C5, LGR5, NTPDase2, SSEA-1, or N-cadherin) facilitated the identification of three main types of endogenous endometrial ASCs: stromal, epithelial progenitor, and endothelial stem cells. Further, exogenous populations of stem cells derived from bone marrow may act as key effectors of the endometrial ASC niche. These findings are promoting the development of stem cell therapies for endometrial pathologies, with an evolution towards paracrine approaches. At the same time, promising therapeutic alternatives based on bioengineering have been proposed.
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Affiliation(s)
- Lucía de Miguel-Gómez
- IVI Foundation, Health Research Institute La Fe, 46026 Valencia, Spain; (L.d.M.-G.); (S.L.-M.); (E.F.-H.); (A.R.-E.)
- Department of Pediatrics, Obstetrics, and Gynaecology, School of Medicine, University of Valencia, 46010 Valencia, Spain;
| | - Sara López-Martínez
- IVI Foundation, Health Research Institute La Fe, 46026 Valencia, Spain; (L.d.M.-G.); (S.L.-M.); (E.F.-H.); (A.R.-E.)
| | - Emilio Francés-Herrero
- IVI Foundation, Health Research Institute La Fe, 46026 Valencia, Spain; (L.d.M.-G.); (S.L.-M.); (E.F.-H.); (A.R.-E.)
- Department of Pediatrics, Obstetrics, and Gynaecology, School of Medicine, University of Valencia, 46010 Valencia, Spain;
| | - Adolfo Rodríguez-Eguren
- IVI Foundation, Health Research Institute La Fe, 46026 Valencia, Spain; (L.d.M.-G.); (S.L.-M.); (E.F.-H.); (A.R.-E.)
| | - Antonio Pellicer
- Department of Pediatrics, Obstetrics, and Gynaecology, School of Medicine, University of Valencia, 46010 Valencia, Spain;
- IVIRMA Rome Parioli, 00197 Rome, Italy
| | - Irene Cervelló
- IVI Foundation, Health Research Institute La Fe, 46026 Valencia, Spain; (L.d.M.-G.); (S.L.-M.); (E.F.-H.); (A.R.-E.)
- Correspondence: ; Tel.: +34-963-903-305
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17
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Tempest N, Jansen M, Baker AM, Hill CJ, Hale M, Magee D, Treanor D, Wright NA, Hapangama DK. Histological 3D reconstruction and in vivo lineage tracing of the human endometrium. J Pathol 2020; 251:440-451. [PMID: 32476144 DOI: 10.1002/path.5478] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 04/30/2020] [Accepted: 05/20/2020] [Indexed: 12/13/2022]
Abstract
Regular menstrual shedding and repair of the endometrial functionalis is unique to humans and higher-order primates. The current consensus postulates endometrial glands to have a single-tubular architecture, where multi-potential stem cells reside in the blind-ending glandular-bases. Utilising fixed samples from patients, we have studied the three-dimensional (3D) micro-architecture of the human endometrium. We demonstrate that some non-branching, single, vertical functionalis glands originate from a complex horizontally interconnecting network of basalis glands. The existence of a multipotent endometrial epithelial stem cell capable of regenerating the entire complement of glandular lineages was demonstrated by in vivo lineage tracing, using naturally occurring somatic mitochondrial DNA mutations as clonal markers. Vertical tracking of mutated clones showed that at least one stem-cell population resides in the basalis glands. These novel findings provide insight into the efficient and scar-less regenerative potential of the human endometrium. © 2020 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Nicola Tempest
- Liverpool Women's Hospital NHS Foundation Trust, member of the Liverpool Health partnership, Liverpool, UK
- Department of Women's and Children's Health, Institute of Life Course and Medical Sciences, University of Liverpool, member of the Liverpool Health partnership, Liverpool, UK
| | - Marnix Jansen
- UCL Cancer Institute, University College London, London, UK
| | - Ann-Marie Baker
- Barts Cancer Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Christopher J Hill
- Department of Women's and Children's Health, Institute of Life Course and Medical Sciences, University of Liverpool, member of the Liverpool Health partnership, Liverpool, UK
| | - Mike Hale
- Pathology and Tumour Biology, University of Leeds, Leeds, UK
| | - Derek Magee
- School of Computing, University of Leeds, Leeds, UK
- Heterogenius Ltd, Leeds, UK
| | - Darren Treanor
- Pathology and Tumour Biology, University of Leeds, Leeds, UK
- Pathology department, Leeds Teaching Hospitals NHS Trust, Leeds, UK
- Pathology department, Linköping University, Linköping, Sweden
| | - Nicholas A Wright
- Barts Cancer Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Dharani K Hapangama
- Liverpool Women's Hospital NHS Foundation Trust, member of the Liverpool Health partnership, Liverpool, UK
- Department of Women's and Children's Health, Institute of Life Course and Medical Sciences, University of Liverpool, member of the Liverpool Health partnership, Liverpool, UK
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18
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Bozorgmehr M, Gurung S, Darzi S, Nikoo S, Kazemnejad S, Zarnani AH, Gargett CE. Endometrial and Menstrual Blood Mesenchymal Stem/Stromal Cells: Biological Properties and Clinical Application. Front Cell Dev Biol 2020; 8:497. [PMID: 32742977 PMCID: PMC7364758 DOI: 10.3389/fcell.2020.00497] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 05/25/2020] [Indexed: 12/11/2022] Open
Abstract
A highly proliferative mesenchymal stem/stromal cell (MSC) population was recently discovered in the dynamic, cyclically regenerating human endometrium as clonogenic stromal cells that fulfilled the International Society for Cellular Therapy (ISCT) criteria. Specific surface markers enriching for clonogenic endometrial MSC (eMSC), CD140b and CD146 co-expression, and the single marker SUSD2, showed their perivascular identity in the endometrium, including the layer which sheds during menstruation. Indeed, cells with MSC properties have been identified in menstrual fluid and commonly termed menstrual blood stem/stromal cells (MenSC). MenSC are generally retrieved from menstrual fluid as plastic adherent cells, similar to bone marrow MSC (bmMSC). While eMSC and MenSC share several biological features with bmMSC, they also show some differences in immunophenotype, proliferation and differentiation capacities. Here we review the phenotype and functions of eMSC and MenSC, with a focus on recent studies. Similar to other MSC, eMSC and MenSC exert immunomodulatory and anti-inflammatory impacts on key cells of the innate and adaptive immune system. These include macrophages, T cells and NK cells, both in vitro and in small and large animal models. These properties suggest eMSC and MenSC as additional sources of MSC for cell therapies in regenerative medicine as well as immune-mediated disorders and inflammatory diseases. Their easy acquisition via an office-based biopsy or collected from menstrual effluent makes eMSC and MenSC attractive sources of MSC for clinical applications. In preparation for clinical translation, a serum-free culture protocol was established for eMSC which includes a small molecule TGFβ receptor inhibitor that prevents spontaneous differentiation, apoptosis, senescence, maintains the clonogenic SUSD2+ population and enhances their potency, suggesting potential for cell-therapies and regenerative medicine. However, standardization of MenSC isolation protocols and culture conditions are major issues requiring further research to maximize their potential for clinical application. Future research will also address crucial safety aspects of eMSC and MenSC to ensure these protocols produce cell products free from tumorigenicity and toxicity. Although a wealth of data on the biological properties of eMSC and MenSC has recently been published, it will be important to address their mechanism of action in preclinical models of human disease.
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Affiliation(s)
- Mahmood Bozorgmehr
- Reproductive Immunology Research Center, Avicenna Research Institute, Academic Center for Education, Culture and Research (ACECR), Tehran, Iran
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Shanti Gurung
- Centre for Reproductive Health, Hudson Institute of Medical Research, Melbourne, VIC, Australia
| | - Saeedeh Darzi
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC, Australia
- Department of Obstetrics and Gynaecology, Monash University, Melbourne, VIC, Australia
| | - Shohreh Nikoo
- Immunology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Somaieh Kazemnejad
- Nanobitechnology Research Center, Avicenna Research Institute, Academic Center for Education, Culture and Research (ACECR), Tehran, Iran
| | - Amir-Hassan Zarnani
- Reproductive Immunology Research Center, Avicenna Research Institute, Academic Center for Education, Culture and Research (ACECR), Tehran, Iran
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Caroline E. Gargett
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC, Australia
- Department of Obstetrics and Gynaecology, Monash University, Melbourne, VIC, Australia
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19
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Santamaria X, Isaacson K, Simón C. Asherman's Syndrome: it may not be all our fault. Hum Reprod 2020; 33:1374-1380. [PMID: 31986212 DOI: 10.1093/humrep/dey232] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 06/04/2018] [Accepted: 06/08/2018] [Indexed: 01/24/2023] Open
Abstract
Asherman's Syndrome (AS) is an acquired condition defined by the presence of intrauterine adhesions (IUA) that cause symptoms such as menstrual abnormalities, pelvic pain, infertility, recurrent miscarriage, abnormal placentation and attendant psychological distress. Classically, AS is considered an iatrogenic disease triggered by trauma to the pregnant uterus. Different factors can cause the destruction of the endometrium, thus affecting the endometrial stem cell niche and creating IUAs. Curettage of the pregnant uterus appears to be the most common source of this destruction. Nevertheless, some AS cases have been associated with congenital uterine abnormalities and infections, and there are some idiopathic cases without any prior surgical procedures, suggesting a putative constitutional predisposition to IUA. Factors reported to cause AS share an underlying inflammatory mechanism leading to defective endometrial healing and vascularization. Interestingly, distinct genetic profiles have been observed in the endometrium of AS patients. These data suggest that AS might not just be an iatrogenic complication, but also the result of a genetic predisposition. Elucidating the possible physiopathological processes that contribute to AS will help to identify patients at risk for this condition, providing an opportunity for prevention.
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Affiliation(s)
| | - Keith Isaacson
- Department of Obstetrics and Gynecology and Reproductive Endocrinology, Harvard Medical School, Boston, MA, USA
| | - Carlos Simón
- Igenomix Academy, Valencia, Spain
- Department of Obstetrics and Gynecology. Stanford University, Stanford, CA, USA
- Department of Obstetrics and Gynecology. Baylor College of Medicine, Houston, TX, USA
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20
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Tal R, Kisa J. Uterine stem cells: potential and pitfalls. Maturitas 2020; 134:54-55. [PMID: 31668789 DOI: 10.1016/j.maturitas.2019.10.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 10/07/2019] [Indexed: 10/25/2022]
Affiliation(s)
- Reshef Tal
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale University School of Medicine, New Haven, Connecticut, USA.
| | - Jacqueline Kisa
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale University School of Medicine, New Haven, Connecticut, USA
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21
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Tal A, Tal R, Shaikh S, Gidicsin S, Mamillapalli R, Taylor HS. Characterization of cell fusion in an experimental mouse model of endometriosis†. Biol Reprod 2020; 100:390-397. [PMID: 30304517 DOI: 10.1093/biolre/ioy221] [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: 08/12/2018] [Revised: 09/29/2018] [Accepted: 10/08/2018] [Indexed: 02/01/2023] Open
Abstract
Cell fusion is involved in the development of some adult organs, is implicated in the pathogenesis of specific types of cancer, and is known to participate in repair/regeneration processes mediated by bone-marrow-derived cells (BMDCs). Endometriosis is a disease characterized by growth of functional endometrial tissue outside of the uterine cavity. Endometriosis shares some molecular properties with cancer and BMDCs home to endometriosis lesions in a mouse model. Our objective was to determine if cell fusion can occur in endometriosis and establish whether bone-marrow-derived cells participate in cell fusion events in lesions. We employed a Cre-Lox system to identify cell fusion events in a mouse model of endometriosis. Fused cells were detected in endometriotic lesions, albeit at a low frequency (∼1 in 400 cells), localized to the stromal compartment, and displayed restricted proliferation. Using 5-fluorouracil-based nongonadotoxic bone marrow transplantation model, we demonstrate that bone marrow cells represent a principal cell source for fusion events in lesions. Cell fusion progeny uniformly lacked expression of selected markers of hematopoietic, endothelial, and epithelial markers, though they expressed the mesenchymal/stromal markers Sca-1 and CD29. This study is the first to describe the phenomenon of cell fusion in endometriosis and points to a mesenchymal population derived from cell fusion events with limited proliferative activity, properties previously attributed to endometrial stem cells. Their putative role in the pathogenesis of the disease remains to be elucidated.
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Affiliation(s)
- A Tal
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - R Tal
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - S Shaikh
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - S Gidicsin
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - R Mamillapalli
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - H S Taylor
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
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22
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YÜKSEL H, ZAFER E. Endometrial Stem/Progenitor Cells. CURRENT OBSTETRICS AND GYNECOLOGY REPORTS 2020. [DOI: 10.1007/s13669-020-00278-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Liu F, Hu S, Wang S, Cheng K. Cell and biomaterial-based approaches to uterus regeneration. Regen Biomater 2019; 6:141-148. [PMID: 31198582 PMCID: PMC6547309 DOI: 10.1093/rb/rbz021] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 03/18/2019] [Accepted: 03/24/2019] [Indexed: 01/16/2023] Open
Abstract
Asherman's syndrome (AS) is an endometrial disorder in which intrauterine adhesions crowd the uterine cavity and wall. The fibrotic adhesions are primarily the result of invasive uterine procedures that usually involve the insertion of surgical equipment into the uterus. This syndrome is accompanied by a number of clinical manifestations, including irregular or painful menstruation and infertility. The most prevalent treatment is hysteroscopy, which involves the physical removal of the fibrous strands. Within the last decade, however, the field has been exploring the use of cell-based therapeutics, in conjunction with biomaterials, to treat AS. This review is a recapitulation of the literature focused on cellular therapies for treating AS.
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Affiliation(s)
- Feiran Liu
- Department of Gynecology and Obstetrics, Beijing Hospital, National Center of Gerontology, Beijing, China
- Department of Molecular Biomedical Sciences and Comparative Medicine Institute, North Carolina State University, Raleigh, NC, USA
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, NC, USA
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Shiqi Hu
- Department of Molecular Biomedical Sciences and Comparative Medicine Institute, North Carolina State University, Raleigh, NC, USA
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, NC, USA
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Shaowei Wang
- Department of Gynecology and Obstetrics, Beijing Hospital, National Center of Gerontology, Beijing, China
| | - Ke Cheng
- Department of Molecular Biomedical Sciences and Comparative Medicine Institute, North Carolina State University, Raleigh, NC, USA
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, NC, USA
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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Zhu X, Péault B, Yan G, Sun H, Hu Y, Ding L. Stem Cells and Endometrial Regeneration: From Basic Research to Clinical Trial. Curr Stem Cell Res Ther 2019; 14:293-304. [PMID: 30516114 DOI: 10.2174/1574888x14666181205120110] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 10/30/2018] [Accepted: 10/31/2018] [Indexed: 12/14/2022]
Abstract
Monthly changes in the endometrial cycle indicate the presence of endometrial stem cells. In
recent years, various stem cells that exist in the endometrium have been identified and characterized.
Additionally, many studies have shown that Bone Marrow Mesenchymal Stem Cells (BM-MSCs) provide
an alternative source for regenerating the endometrium and repairing endometrial injury. This
review discusses the origin of endometrial stem cells, the characteristics and main biomarkers among
five types of putative endometrial stem cells, applications of endometrium-derived stem cells and menstrual
blood-derived stem cells, the association between BM-MSCs and endometrial stem cells, and
progress in repairing endometrial injury.
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Affiliation(s)
- Xinxin Zhu
- Center for Reproductive Medicine, Drum Tower Clinic Medical College of Nanjing Medical University, Nanjing 210029, Jiangsu, China
| | - Bruno Péault
- MRC Center for Regenerative Medicine, University of Edinburgh, Edinburgh, EH16 4UU, United Kingdom
| | - Guijun Yan
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Haixiang Sun
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Yali Hu
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Lijun Ding
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
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Santamaria X, Mas A, Cervelló I, Taylor H, Simon C. Uterine stem cells: from basic research to advanced cell therapies. Hum Reprod Update 2019; 24:673-693. [PMID: 30239705 DOI: 10.1093/humupd/dmy028] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Accepted: 08/04/2018] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Stem cell research in the endometrium and myometrium from animal models and humans has led to the identification of endometrial/myometrial stem cells and their niches. This basic knowledge is beginning to be translated to clinical use for incurable uterine pathologies. Additionally, the implication of bone marrow-derived stem cells (BMDSCs) in uterine physiology has opened the field for the exploration of an exogenous and autologous source of stem cells. OBJECTIVE AND RATIONALE In this review, we outline the progress of endometrial and myometrial stem/progenitor cells in both human and mouse models from their characterization to their clinical application, indicating roles in Asherman syndrome, atrophic endometrium and tissue engineering, among others. SEARCH METHODS A comprehensive search of PubMed and Google Scholar up to December 2017 was conducted to identify peer-reviewed literature related to the contribution of bone marrow, endometrial and myometrial stem cells to potential physiological regeneration as well as their implications in pathologies of the human uterus. OUTCOMES The discovery and main characteristics of stem cells in the murine and human endometrium and myometrium are presented together with the relevance of their niches and cross-regulation. The current state of advanced stem cell therapy using BMDSCs in the treatment of Asherman syndrome and atrophic endometrium is analyzed. In the myometrium, the understanding of genetic and epigenetic defects that result in the development of tumor-initiating cells in the myometrial stem niche and thus contribute to the growth of uterine leiomyoma is also presented. Finally, recent advances in tissue engineering based on the creation of novel three-dimensional scaffolds or decellularisation open up new perspectives for the field of uterine transplantation. WIDER IMPLICATIONS More than a decade after their discovery, the knowledge of uterine stem cells and their niches is crystalising into novel therapeutic approaches aiming to treat with cells those conditions that cannot be cured with drugs, particularly the currently incurable uterine pathologies. Additional work and improvements are needed, but the basis has been formed for this therapeutic application of uterine cells.
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Affiliation(s)
- Xavier Santamaria
- Reproductive Medicine Department, Igenomix Academy, Paterna (Valencia), Spain.,Reproductive Medicine Department, IVI Barcelona, Barcelona, Spain.,Department of Obstetrics and Gynecology, Biomedical Research Group in Gynecology, Vall Hebron Institut de Recerca, Barcelona, Spain
| | - Aymara Mas
- Reproductive Medicine Department, Igenomix Academy, Paterna (Valencia), Spain.,Department of Obstetrics and Gynecology, Reproductive Medicine Research Group, La Fe Health Research Institute, Valencia, Spain
| | - Irene Cervelló
- Department of Obstetrics and Gynecology, Fundación Instituto Valenciano de Infertilidad (FIVI), and Instituto Universitario IVI/INCLIVA, Valencia, Spain
| | - Hugh Taylor
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, CT, USA
| | - Carlos Simon
- Reproductive Medicine Department, Igenomix Academy, Paterna (Valencia), Spain.,Department of Pediatrics, Obstetrics, and Gynecology, Valencia University and INCLIVA, Valencia, Spain.,Department of Obstetrics and Gynecology, Stanford University, Stanford, CA, USA
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Abstract
PURPOSE OF REVIEW The current review provides an update on recent advances in stem cell biology relevant to female reproduction. RECENT FINDINGS Stem cells are undifferentiated cells that often serve as a reservoir of cells to regenerate tissue in settings or injury or cell loss. The endometrium has progenitor stem cells that can replace all of the endometrium during each menstrual cycle. In addition, multipotent endometrial cells replace these progenitor cells when depleted. Recruitment of stem cells from outside of the uterus occurs in setting of increased demand such as ischemia or injury. Bone marrow-derived multipotent stem cells are recruited to the uterus by estrogen or injury-induced expression of the chemokine CXCL12. In the setting of overwhelming injury, especially in the setting of low estrogen levels, there may be insufficient stem cell recruitment to adequately repair the uterus resulting in conditions such as Asherman syndrome or other endometrial defects. In contrast, excessive recruitment of stem cells underlies endometriosis. Enhanced understanding of stem-cell mobilization, recruitment, and engraftment has created the possibility of improved therapy for endometrial defects and endometriosis through enhanced manipulation of stem-cell trafficking. Further, the normal endometrium is a rich source of multipotent stem cells that can be used for numerous applications in regenerative medicine beyond reproduction. SUMMARY A better understanding of reproductive stem-cell biology may allow improved treatment of endometrial disease such as Asherman syndrome and other endometrial receptivity defects. Inhibiting stem-cell mobilization may also be helpful in endometriosis therapy. Finally, endometrial derived multipotent stem cells may play a crucial role in cell therapy for regenerative medicine.
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Patterson AL, George JW, Chatterjee A, Carpenter T, Wolfrum E, Pru JK, Teixeira JM. Label-Retaining, Putative Mesenchymal Stem Cells Contribute to Murine Myometrial Repair During Uterine Involution. Stem Cells Dev 2018; 27:1715-1728. [PMID: 30328770 DOI: 10.1089/scd.2018.0146] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Uterine remodeling during pregnancy is a fundamental, dynamic process required for successful propagation of eutherian species. The uterus can increase in size up to 40-fold during pregnancy, which is largely attributed to expansion of the myometrium by hyperplasia and hypertrophy. After pregnancy, the uterus repairs the remodeled or "damaged" tissue during uterine involution (INV). Little is known about this repair process, particularly the role of mesenchymal stem/progenitor cells. The objective of this study was to identify and characterize putative mesenchymal stem/progenitor cells in the murine myometrium using a combination of label retention and mesenchymal stem cell (MSC) marker expression and a pregnancy and uterine INV model. Tet-off transgenic mice with the Cre-lox system were used to specifically label mesenchymal cells (ie, myometrial and endometrial stromal cells) within the uterus while avoiding other cell types (eg, epithelial, immune, and endothelial cells) to identify slowly dividing cells and assess their stem cell qualities. We identified myometrial label-retaining cells (LRCs) that persisted for at least 3 months, expressed CD146 and CD140b (MSC markers), and proliferated at a higher rate during uterine INV compared with nonlabeled cells. The LRCs did not appear to express either estrogen receptor alpha or progesterone receptor, nor did the number of LRCs change at different estrous stages or in response to exogenous estradiol or progesterone administration, suggesting that LRCs were not involved in normal estrous cycling. The results from this study provide important insight into putative stem/progenitor cells in the myometrium and their possible role in uterine physiology.
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Affiliation(s)
- Amanda L Patterson
- Department of Obstetrics, Gynecology and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, Michigan
| | - Jitu W George
- Department of Obstetrics, Gynecology and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, Michigan
| | - Anindita Chatterjee
- Department of Obstetrics, Gynecology and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, Michigan
| | - Tyler Carpenter
- Department of Obstetrics, Gynecology and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, Michigan
| | - Emily Wolfrum
- Department of Bioinformatics and Biostatistics Core, Van Andel Research Institute, Grand Rapids, Michigan
| | - James K Pru
- Department of Animal Sciences, Center for Reproductive Biology, Washington State University, Pullman, Washington
| | - Jose M Teixeira
- Department of Obstetrics, Gynecology and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, Michigan
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Endometrial Stem Cell Markers: Current Concepts and Unresolved Questions. Int J Mol Sci 2018; 19:ijms19103240. [PMID: 30347708 PMCID: PMC6214006 DOI: 10.3390/ijms19103240] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 09/07/2018] [Accepted: 10/10/2018] [Indexed: 02/07/2023] Open
Abstract
The human endometrium is a highly regenerative organ undergoing over 400 cycles of shedding and regeneration over a woman’s lifetime. Menstrual shedding and the subsequent repair of the functional layer of the endometrium is a process unique to humans and higher-order primates. This massive regenerative capacity is thought to have a stem cell basis, with human endometrial stromal stem cells having already been extensively studied. Studies on endometrial epithelial stem cells are sparse, and the current belief is that the endometrial epithelial stem cells reside in the terminal ends of the basalis glands at the endometrial/myometrial interface. Since almost all endometrial pathologies are thought to originate from aberrations in stem cells that regularly regenerate the functionalis layer, expansion of our current understanding of stem cells is necessary in order for curative treatment strategies to be developed. This review critically appraises the postulated markers in order to identify endometrial stem cells. It also examines the current evidence supporting the existence of epithelial stem cells in the human endometrium that are likely to be involved both in glandular regeneration and in the pathogenesis of endometrial proliferative diseases such as endometriosis and endometrial cancer.
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29
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Rink BE, Beyer T, French HM, Watson E, Aurich C, Donadeu FX. The Fate of Autologous Endometrial Mesenchymal Stromal Cells After Application in the Healthy Equine Uterus. Stem Cells Dev 2018; 27:1046-1052. [PMID: 29790424 PMCID: PMC6067096 DOI: 10.1089/scd.2018.0056] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Because of their distinct differentiation, immunomodulatory, and migratory capacities, endometrial mesenchymal stromal cells (MSCs) may provide an optimum source of therapeutic cells not only in relation to the uterus but also for regeneration of other tissues. This study reports the fate of endometrial MSCs following intrauterine application in mares. Stromal cell fractions were isolated from endometrial biopsies taken from seven reproductively healthy mares, expanded, and fluorescence labeled in culture. Phosphate-buffered saline (PBS) or MSCs (15 × 106) were autologously infused into each uterine horn during early diestrus and subsequently tracked by fluorescence microscopy and flow cytometry of endometrial biopsies and blood samples taken periodically after infusion. The inflammatory response to cell infusion was monitored in endometrial cytology samples. MSCs were detected in endometrial sections at 6, 12, and 24 h, but not later (7 or 14 days), after cell infusion. Cells were in all cases located in the uterine lumen, never within the endometrial tissue. No fluorescence signal was detected in blood samples at any time point after infusion. Cytology analyses showed an increase in % of polymorphonuclear neutrophils between 1 and 3 h after uterine infusion with either MSCs or PBS and a further increase by 6 h only in mares infused with PBS. In summary, endometrial MSCs were detected in the uterine lumen for up to 24 h after infusion, but did not migrate into the healthy endometrium. Moreover, MSCs effectively attenuated the inflammatory response to uterine infusion. We conclude that endometrial MSCs obtained from routine uterine biopsies could provide a safe and effective cell source for treatment of inflammatory conditions of the uterus and potentially other tissues.
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Affiliation(s)
- B Elisabeth Rink
- 1 Department of Clinical Sciences, Ross University School of Veterinary Medicine , St.Kitts, West Indies .,2 The Roslin Institute, University of Edinburgh , Edinburgh, United Kingdom .,3 Artificial Insemination and Embryo Transfer, Department for Small Animals and Horses, University of Veterinary Medicine , Vienna, Austria
| | - Teresa Beyer
- 3 Artificial Insemination and Embryo Transfer, Department for Small Animals and Horses, University of Veterinary Medicine , Vienna, Austria
| | - Hilari M French
- 1 Department of Clinical Sciences, Ross University School of Veterinary Medicine , St.Kitts, West Indies
| | - Elaine Watson
- 1 Department of Clinical Sciences, Ross University School of Veterinary Medicine , St.Kitts, West Indies
| | - Christine Aurich
- 3 Artificial Insemination and Embryo Transfer, Department for Small Animals and Horses, University of Veterinary Medicine , Vienna, Austria
| | - F Xavier Donadeu
- 2 The Roslin Institute, University of Edinburgh , Edinburgh, United Kingdom
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30
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Ghobadi F, Rahmanifar F, Mehrabani D, Tamadon A, Dianatpour M, Zare S, Razeghian Jahromi I. Endometrial mesenchymal stem stromal cells in mature and immature sheep: An in vitro study. Int J Reprod Biomed 2018. [DOI: 10.29252/ijrm.16.2.83] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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31
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Sahoo AK, Das JK, Nayak S. Isolation, culture, characterization, and osteogenic differentiation of canine endometrial mesenchymal stem cell. Vet World 2017; 10:1533-1541. [PMID: 29391698 PMCID: PMC5771182 DOI: 10.14202/vetworld.2017.1533-1541] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 12/04/2017] [Indexed: 01/09/2023] Open
Abstract
Aim In this study, the canine endometrium tissue is characterized for its stem cell properties such as adherence to tissue culture plate (plasticity), short population doubling time, serial clonal passaging, long-term culturing properties, stem cell marker expression, and multilineage differentiation potential. Materials and Methods The present work describes a novel isolation protocol for obtaining mesenchymal stem cells from the uterine endometrium and is compared with cells derived from umbilical cord matrix as a positive control. These cells are clonogenic, can undergo several population doublings in vitro, and can be differentiated to the osteocytes in mature mesenchymal tissues when grown in osteogenic differentiation media as detected by Alizarin Red-S staining. Results It is reported for the first time that the cells derived from the canine endometrium (e-multipotent stem cells [MSCs]) were able to differentiate into a heterologous cell type: Osteocytes, thus demonstrating the presence of MSCs. Thus, the endometrium may be told as a potential source of MSCs which can be used for various therapeutic purposes. Conclusion The endometrium can be used as a potential source of MSCs, which can be used for various therapeutic purposes.
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Affiliation(s)
- A K Sahoo
- Department of Veterinary Surgery and Radiology, College of Veterinary Science and Animal Husbandry, OUAT, Bhubaneswar - 751 003, Odisha, India
| | - J K Das
- Department of Veterinary Surgery and Radiology, College of Veterinary Science and Animal Husbandry, OUAT, Bhubaneswar - 751 003, Odisha, India
| | - S Nayak
- Department of Veterinary Surgery and Radiology, College of Veterinary Science and Animal Husbandry, OUAT, Bhubaneswar - 751 003, Odisha, India
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32
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Endometritis and In Vitro PGE 2 Challenge Modify Properties of Cattle Endometrial Mesenchymal Stem Cells and Their Transcriptomic Profile. Stem Cells Int 2017; 2017:4297639. [PMID: 29213289 PMCID: PMC5682089 DOI: 10.1155/2017/4297639] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 08/16/2017] [Accepted: 08/28/2017] [Indexed: 02/07/2023] Open
Abstract
Mesenchymal stem cells (MSCs) were isolated and characterized from postpartum bovine endometrium of animals with subclinical (n = 5) and clinical endometritis (n = 3) and healthy puerperal females (n = 5). Cells isolated displayed mean morphological features of MSCs and underwent osteogenic, chondrogenic, and adipogenic differentiation after induction (healthy and subclinical). Cells from cows with clinical endometritis did not undergo adipogenic differentiation. All cells expressed mRNAs for selected MSC markers. Endometrial MSCs were challenged in vitro with PGE2 at concentrations of 0, 1, 3, and 10 μM, and their global transcriptomic profile was studied. Overall, 1127 genes were differentially expressed between unchallenged cells and cells treated with PGE2 at all concentrations (763 up- and 364 downregulated, fold change > 2, and P < 0.05). The pathways affected the most by the PGE2 challenge were immune response, angiogenesis, and cell proliferation. In conclusion, we demonstrated that healthy puerperal bovine endometrium contains MSCs and that endometritis modifies and limits some functional characteristics of these cells, such as their ability to proceed to adipogenic differentiation. Also, PGE2, an inflammatory mediator of endometritis, modifies the transcriptomic profile of endometrial MSCs. A similar situation may occur during inflammation associated with endometritis, therefore affecting the main properties of endometrial MSCs.
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Lara E, Rivera N, Rojas D, Rodríguez-Alvarez LL, Castro FO. Characterization of mesenchymal stem cells in bovine endometrium during follicular phase of oestrous cycle. Reprod Domest Anim 2017; 52:707-714. [PMID: 28419571 DOI: 10.1111/rda.12969] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 02/14/2017] [Indexed: 12/27/2022]
Abstract
Stem cells have been postulated as responsible for cell regeneration in highly and continuously regenerative tissues such as the endometrium. Few studies in cattle have identified and specified the presence of stem cells in the endometrium during the oestrous cycle. The aim of this study was to investigate the presence of mesenchymal stem cells (MSCs) in the bovine endometrium during the follicular phase (FP) of the oestrous cycle. Uterine tissue was collected in the time-frame comprising day 18 of the cycle and ovulation (day 0). We isolated, cultured and expanded four primary cell lines from endometrium and identified byRT-qPCR the expression of OCT4, SOX2 but not NANOG (undifferentiated/embryonic markers), CD44 (MSCs marker) and c-KIT (stem cell marker) genes; and the encoded Oct4, Sox2 and Cd44 proteins by Western blot or immunostaining of paraffin-embedded tissue in endometrium. We demonstrated that cells isolated from bovine endometrium displayed essentially the same gene expression pattern; however, at the protein level, Oct4 and Cd44 were not detected. Besides, they showed typical functional characteristics of MSCs such as fibroblast-like morphology, plastic adherence, high proliferative capacity, clone formation in vitro and the ability to differentiate into chondrogenic, osteogenic and adipogenic lineages. We obtained for the first time an extensive characterization of undifferentiated cells populations contained in the bovine endometrium during the FP of the oestrous cycle.
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Affiliation(s)
- E Lara
- Department of Animal Science, Faculty of Veterinary Sciences, Universidad de Concepción, Chillán, Chile
| | - N Rivera
- Department of Animal Science, Faculty of Veterinary Sciences, Universidad de Concepción, Chillán, Chile
| | - D Rojas
- Department of Animal Science, Faculty of Veterinary Sciences, Universidad de Concepción, Chillán, Chile
| | - L L Rodríguez-Alvarez
- Department of Animal Science, Faculty of Veterinary Sciences, Universidad de Concepción, Chillán, Chile
| | - F O Castro
- Department of Animal Science, Faculty of Veterinary Sciences, Universidad de Concepción, Chillán, Chile
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34
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Affiliation(s)
- Murat Ulukus
- Department of Obstetrics & Gynecology, Ege University School of Medicine, Bornova, Izmir, Turkey
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35
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Abstract
The derivation of human embryonic stem (hES) cells heralds a new era in stem cell research, generating excitement for their therapeutic potential in regenerative medicine. Pioneering work of embryologists, developmental biologists, and reproductive medicine practitioners in in vitro fertilization clinics has facilitated hES cell research. This review summarizes current research focused on optimizing hES cell culture conditions for good manufacturing practice, directing hES cell differentiation toward trophectoderm and germ cells, and approaches used to reprogram cells for pluripotent cell derivation. The identification of germ stem cells in the testis and the recent controversy over their existence in the ovary raise the possibility of harnessing them for treating young cancer survivors. There is also the potential to harvest fetal stem cells with pluripotent cell-like properties from discarded placental tissues. The recent identification of adult stem/progenitor cell activity in the human endometrium offers a new understanding of common gynecological diseases. Discoveries resulting from research into embryonic, germ, fetal, and adult stem cells are highly relevant to human reproduction.
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Affiliation(s)
- Caroline E Gargett
- Centre for Women's Health Research, Monash Institute of Medical Research, and Monash University Department of Obstetrics and Gynaecology, Monash Medical Centre, Clayton, Victoria, Australia.
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36
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Carvalho MJ, Laranjo M, Abrantes AM, Torgal I, Botelho MF, Oliveira CF. Clinical translation for endometrial cancer stem cells hypothesis. Cancer Metastasis Rev 2016. [PMID: 26224131 DOI: 10.1007/s10555-015-9574-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Endometrial cancer is the most frequent gynecological malignancy in developed world. Cancer stem cells (CSC) are recognized as a small proportion of cells among the tumor cell population that are capable of self-renewal, aberrant differentiation, and escape homeostasis. This review aims to systematize the existing evidence of CSC of endometrial cancer and its clinical translation. In endometrial cancer, the cancer stem cell hypothesis has been studied in vitro using the isolation of colony forming units, side population with dye efflux capacity, and tumorospheres. The stem cell markers for endometrial cancer do not have uniform characteristics, albeit CD133 and aldehyde dehydrogenase (ALDH) were being associated with CSC phenotype. The application of endometrial CSC on xenograft models proves the tumorigenic capacity of this small group of cells. The metastatic process has been explained due to epithelial-mesenchymal transition (EMT) in which CSC seems to have a critical role. The chemoresistance is characteristic of CSC that in endometrial cancer has been shown in CSC phenotype and associated with CSC markers. The most ambitious potential for CSC is the development of targeted therapies. Its application on endometrial cancer is still poor, being a future perspective for research.
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Affiliation(s)
- Maria João Carvalho
- Unit of Biophysics, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548, Coimbra, Portugal. .,Gynecology A Service, Coimbra Hospital and University Centre, Praceta Mota Pinto, 3000-548, Coimbra, Portugal. .,CIMAGO, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548, Coimbra, Portugal.
| | - Mafalda Laranjo
- Unit of Biophysics, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548, Coimbra, Portugal.,CIMAGO, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548, Coimbra, Portugal.,IBILI, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548, Coimbra, Portugal
| | - Ana Margarida Abrantes
- Unit of Biophysics, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548, Coimbra, Portugal.,CIMAGO, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548, Coimbra, Portugal.,IBILI, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548, Coimbra, Portugal
| | - Isabel Torgal
- Gynecology A Service, Coimbra Hospital and University Centre, Praceta Mota Pinto, 3000-548, Coimbra, Portugal
| | - Maria Filomena Botelho
- Unit of Biophysics, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548, Coimbra, Portugal.,CIMAGO, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548, Coimbra, Portugal.,IBILI, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548, Coimbra, Portugal
| | - Carlos Freire Oliveira
- CIMAGO, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548, Coimbra, Portugal
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Deane JA, Ong YR, Cain JE, Jayasekara WSN, Tiwari A, Carlone DL, Watkins DN, Breault DT, Gargett CE. The mouse endometrium contains epithelial, endothelial and leucocyte populations expressing the stem cell marker telomerase reverse transcriptase. Mol Hum Reprod 2016; 22:272-84. [PMID: 26740067 DOI: 10.1093/molehr/gav076] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Accepted: 12/22/2015] [Indexed: 12/11/2022] Open
Abstract
STUDY HYPOTHESIS The mouse endometrium harbours stem/progenitor cells that express the stem cell marker mouse telomerase reverse transcriptase (mTert). STUDY FINDING We used a mouse carrying a transgenic reporter for mTert promoter activity to identify rare endometrial populations of epithelial and endothelial cells that express mTert. WHAT IS KNOWN ALREADY Stem/progenitor cells are hypothesized to be responsible for the remarkable regenerative capacity of the endometrium, but the lack of convenient endometrial stem/progenitor markers in the mouse has hampered investigations into the identity of these cells. STUDY DESIGN, SAMPLES/MATERIALS, METHODS A mouse containing a green fluorescent protein (GFP) reporter under the control of the telomerase reverse transcriptase promoter (mTert-GFP) was used to identify potential stem/progenitor cells in the endometrium. mTert promoter activity was determined using fluorescence microscopy and flow cytometry to identify GFP(+) cells. GFP(+) cells were examined for epithelial, stromal, endothelial, leucocyte and proliferation markers and bromodeoxyuridine retention to determine their identity. The endometrium of ovariectomized mice was compared to that of intact cycling mice to establish the role of ovarian hormones in maintaining mTert-expressing cells. MAIN RESULTS AND THE ROLE OF CHANCE We found that mTert-GFP is expressed by rare luminal and glandular epithelial cells (0.3% of epithelial cells by flow cytometry), rare CD45(-) cells in the stromal compartment (0.028 ± 0.010% of stromal cells by microscopy) and many CD45(+) leucocytes. Ovariectomy resulted in significant decrease of mTert-GFP(+) epithelial cells (P = 0.029 for luminal epithelium; P = 0.034 for glandular epithelium) and a decrease in the percentage of mTert-GFP(+) CD45(+) leucocytes in the stromal compartment (P = 0.015). However, CD45(-) mTert-GFP(+) cells in the stromal compartment were maintained in ovariectomized mice. This population is enriched for cells bearing the endothelial marker CD31 (10.3% of CD90(-) CD45(-) and 97.8% CD90(+) CD45(-) by flow cytometry). CD45(-) mTert-GFP(+) cells also immunostained for the endothelial marker von Willebrand factor. These results suggest that the endometrial epithelium and vasculature are foci of stem/progenitor activity and provide a system to investigate molecular mechanisms involved in endometrial regeneration and repair. LIMITATIONS, REASONS FOR CAUTION The stem/progenitor activity of endometrial mTert-GFP(+) cells needs to be experimentally verified. WIDER IMPLICATIONS OF THE FINDINGS The identification and characterization of mTert-expressing progenitor cells in the mouse will facilitate the identification of equivalent populations in the human endometrium that are likely to be involved in endometrial function, fertility and disease. LARGE-SCALE DATA Not applicable. STUDY FUNDING AND COMPETING INTERESTS This study was funded by National Health and Medical Research Council (NHMRC) of Australia grants (1085435, C.E.G., J.A.D.), 1021127 (C.E.G.), NHMRC Senior Research Fellowship (1042298, C.E.G.), the Victorian Infrastructure Support Program, U.S. National Institutes of Health grant R01 DK084056 (D.T.B.) and the Harvard Stem Cell Institute (D.T.B.). The authors have no conflicts of interest to declare.
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Affiliation(s)
- James A Deane
- The Ritchie Centre, Hudson Institute of Medical Research, 27-31 Wright St., Clayton, Victoria, Australia Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
| | - Y Rue Ong
- The Ritchie Centre, Hudson Institute of Medical Research, 27-31 Wright St., Clayton, Victoria, Australia
| | - Jason E Cain
- Centre for Cancer Research, Hudson Institute of Medical Research, Clayton, Victoria, Australia
| | - W Samantha N Jayasekara
- Centre for Cancer Research, Hudson Institute of Medical Research, Clayton, Victoria, Australia
| | - Abhilasha Tiwari
- The Ritchie Centre, Hudson Institute of Medical Research, 27-31 Wright St., Clayton, Victoria, Australia
| | - Diana L Carlone
- Boston Children's Hospital, Harvard Medical School/Harvard Stem Cell Institute, Boston, MA, USA
| | - D Neil Watkins
- Centre for Cancer Research, Hudson Institute of Medical Research, Clayton, Victoria, Australia Present address: The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia Present address: UNSW Faculty of Medicine, St Vincent's Clinical School, St Vincent's Hospital, Randwick, New South Wales, Australia
| | - David T Breault
- Boston Children's Hospital, Harvard Medical School/Harvard Stem Cell Institute, Boston, MA, USA
| | - Caroline E Gargett
- The Ritchie Centre, Hudson Institute of Medical Research, 27-31 Wright St., Clayton, Victoria, Australia Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
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Bukowska J, Ziecik AJ, Laguna J, Gawronska-Kozak B, Bodek G. The Importance of the Canonical Wnt Signaling Pathway in the Porcine Endometrial Stromal Stem/Progenitor Cells: Implications for Regeneration. Stem Cells Dev 2015; 24:2873-85. [PMID: 26414529 PMCID: PMC4683563 DOI: 10.1089/scd.2015.0078] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Accepted: 09/22/2015] [Indexed: 12/12/2022] Open
Abstract
The regenerative ability of the endometrium is strongly associated with the presence of adult stem/progenitor cells. Purposes of the present study were (1) to establish the presence of stem/progenitor cells in porcine endometrial stroma using a clonogenic assay and (2) to investigate whether the canonical Wnt pathway affects the potential of stem/progenitor cells to undergo self-renewal or differentiation. The utility of endometrial stromal clones as a model for stem/progenitor studies was evaluated based on these cells' increased expression of mesenchymal stem cell (MSC) marker genes, including CD29, CD73, CD90, and CD105, compared with primary cultured cells. Small molecules were introduced to activate (BIO) or inhibit (XAV939) the canonical Wnt pathway during stromal clone formation. Cloning efficiency assays revealed that activation of the Wnt/β-catenin pathway promoted formation of more differentiated small clones. Moreover, activation of the Wnt/β-catenin pathway decreased, whereas inhibition of the pathway increased MSC marker expression. Additionally, we confirmed the importance of canonical Wnt pathway stimulation in endometrial stromal cells through observing the appropriate changes in β-catenin cellular localization. These data indicate that modulation of the canonical Wnt pathway effects the process of regeneration in the porcine endometrium during the course of the estrous cycle.
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Affiliation(s)
- Joanna Bukowska
- In Vitro and Cell Biotechnology Laboratory, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Adam Janusz Ziecik
- Department of Hormonal Action Mechanisms, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Joanna Laguna
- In Vitro and Cell Biotechnology Laboratory, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Barbara Gawronska-Kozak
- Department of Biological Function of Food, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Gabriel Bodek
- In Vitro and Cell Biotechnology Laboratory, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
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Gargett CE, Schwab KE, Deane JA. Endometrial stem/progenitor cells: the first 10 years. Hum Reprod Update 2015; 22:137-63. [PMID: 26552890 PMCID: PMC4755439 DOI: 10.1093/humupd/dmv051] [Citation(s) in RCA: 211] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Accepted: 10/19/2015] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND The existence of stem/progenitor cells in the endometrium was postulated many years ago, but the first functional evidence was only published in 2004. The identification of rare epithelial and stromal populations of clonogenic cells in human endometrium has opened an active area of research on endometrial stem/progenitor cells in the subsequent 10 years. METHODS The published literature was searched using the PubMed database with the search terms ‘endometrial stem cells and menstrual blood stem cells' until December 2014. RESULTS Endometrial epithelial stem/progenitor cells have been identified as clonogenic cells in human and as label-retaining or CD44+ cells in mouse endometrium, but their characterization has been modest. In contrast, endometrial mesenchymal stem/stromal cells (MSCs) have been well characterized and show similar properties to bone marrow MSCs. Specific markers for their enrichment have been identified, CD146+PDGFRβ+ (platelet-derived growth factor receptor beta) and SUSD2+ (sushi domain containing-2), which detected their perivascular location and likely pericyte identity in endometrial basalis and functionalis vessels. Transcriptomics and secretomics of SUSD2+ cells confirm their perivascular phenotype. Stromal fibroblasts cultured from endometrial tissue or menstrual blood also have some MSC characteristics and demonstrate broad multilineage differentiation potential for mesodermal, endodermal and ectodermal lineages, indicating their plasticity. Side population (SP) cells are a mixed population, although predominantly vascular cells, which exhibit adult stem cell properties, including tissue reconstitution. There is some evidence that bone marrow cells contribute a small population of endometrial epithelial and stromal cells. The discovery of specific markers for endometrial stem/progenitor cells has enabled the examination of their role in endometrial proliferative disorders, including endometriosis, adenomyosis and Asherman's syndrome. Endometrial MSCs (eMSCs) and menstrual blood stromal fibroblasts are an attractive source of MSCs for regenerative medicine because of their relative ease of acquisition with minimal morbidity. Their homologous and non-homologous use as autologous and allogeneic cells for therapeutic purposes is currently being assessed in preclinical animal models of pelvic organ prolapse and phase I/II clinical trials for cardiac failure. eMSCs and stromal fibroblasts also exhibit non-stem cell-associated immunomodulatory and anti-inflammatory properties, further emphasizing their desirable properties for cell-based therapies. CONCLUSIONS Much has been learnt about endometrial stem/progenitor cells in the 10 years since their discovery, although several unresolved issues remain. These include rationalizing the terminology and diagnostic characteristics used for distinguishing perivascular stem/progenitor cells from stromal fibroblasts, which also have considerable differentiation potential. The hierarchical relationship between clonogenic epithelial progenitor cells, endometrial and decidual SP cells, CD146+PDGFR-β+ and SUSD2+ cells and menstrual blood stromal fibroblasts still needs to be resolved. Developing more genetic animal models for investigating the role of endometrial stem/progenitor cells in endometrial disorders is required, as well as elucidating which bone marrow cells contribute to endometrial tissue. Deep sequencing and epigenetic profiling of enriched populations of endometrial stem/progenitor cells and their differentiated progeny at the population and single-cell level will shed new light on the regulation and function of endometrial stem/progenitor cells.
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Affiliation(s)
- Caroline E Gargett
- The Ritchie Centre, Hudson Institute of Medical Research, 27-31 Wright Street, Clayton 3168, Victoria, Australia Department of Obstetrics and Gynaecology, Monash University, Monash Medical Centre, 246 Clayton Road, Clayton 3168, Victoria, Australia
| | - Kjiana E Schwab
- The Ritchie Centre, Hudson Institute of Medical Research, 27-31 Wright Street, Clayton 3168, Victoria, Australia
| | - James A Deane
- The Ritchie Centre, Hudson Institute of Medical Research, 27-31 Wright Street, Clayton 3168, Victoria, Australia Department of Obstetrics and Gynaecology, Monash University, Monash Medical Centre, 246 Clayton Road, Clayton 3168, Victoria, Australia
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Fraunhoffer NA, Meilerman Abuelafia A, Stella I, Galliano S, Barrios M, Vitullo AD. Identification of germ cell-specific VASA and IFITM3 proteins in human ovarian endometriosis. J Ovarian Res 2015; 8:66. [PMID: 26446766 PMCID: PMC4597381 DOI: 10.1186/s13048-015-0193-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Accepted: 10/02/2015] [Indexed: 01/18/2023] Open
Abstract
Background Endometriosis is a gynaecological disorder that affects 6–10 % of female population. It is characterized by the presence of endometrial tissue outside the uterus, most often in the pelvic peritoneum or ovaries. Recent studies have indicated that mesenchymal endometrial stem cells might get involved in endometriosis progression. Although germ line stem cells have been proved to exist in the ovary, their involvement in ovarian endometriosis has not been investigated. In this preliminary report we aimed to identify germinal stem cell markers in ovarian endometriosis. Findings Ten paraffin-embedded ovarian endometriosis samples were screened for germ cell-specific proteins DDX4 (VASA) and IFITM3, and its relation with stem cell marker OCT4, proliferation marker PCNA and estrogen receptor alpha (ESR1), by immunohistochemistry, immunofluorescence and PCR. DDX4 and IFITM3 proteins were expressed in isolated cells and clusters of cells in the cortical region of ovarian endometriotic cysts. DDX4 and IFITM3 co-localized in cells from endometriotic stroma, and DDX4/IFITM3-expressing cells were positive for ESR1, OCT4 and PCNA. No cells expressing neither DDX4 nor IFITM3 were detected in normal endometrial tissue. Conclusion The identification of germ cell-specific proteins DDX4 and IFITM3 provides the first evidence of ovarian-sourced cells in ovarian endometriotic lesions and opens up new directions towards understanding the still confusing pathogenesis of endometriosis.
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Affiliation(s)
- Nicolas A Fraunhoffer
- Centro de Estudios Biomédicos, Biotecnológicos, Ambientales y Diagnóstico, CEBBAD- Universidad Maimónides, Hidalgo 775, Buenos Aires, C1405BCK, Argentina. .,Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET-Argentina, Buenos Aires, Argentina. .,Facultad de Medicina, Universidad Maimónides, Buenos Aires, Argentina.
| | - Analía Meilerman Abuelafia
- Centro de Estudios Biomédicos, Biotecnológicos, Ambientales y Diagnóstico, CEBBAD- Universidad Maimónides, Hidalgo 775, Buenos Aires, C1405BCK, Argentina.,Facultad de Medicina, Universidad Maimónides, Buenos Aires, Argentina
| | - Inés Stella
- Facultad de Medicina, Universidad Maimónides, Buenos Aires, Argentina
| | - Silvia Galliano
- Facultad de Medicina, Universidad Maimónides, Buenos Aires, Argentina.,Servicio de Anatomía Patológica, Hospital Eva Perón, Merlo, Buenos Aires, Argentina
| | - Marcela Barrios
- Facultad de Medicina, Universidad Maimónides, Buenos Aires, Argentina
| | - Alfredo D Vitullo
- Centro de Estudios Biomédicos, Biotecnológicos, Ambientales y Diagnóstico, CEBBAD- Universidad Maimónides, Hidalgo 775, Buenos Aires, C1405BCK, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET-Argentina, Buenos Aires, Argentina
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Cervelló I, Gil-Sanchis C, Santamaría X, Cabanillas S, Díaz A, Faus A, Pellicer A, Simón C. Human CD133(+) bone marrow-derived stem cells promote endometrial proliferation in a murine model of Asherman syndrome. Fertil Steril 2015; 104:1552-60.e1-3. [PMID: 26384164 DOI: 10.1016/j.fertnstert.2015.08.032] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Revised: 08/12/2015] [Accepted: 08/25/2015] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To investigate the engraftment and proliferation of superparamagnetic iron oxide nanoparticles (SPIOs)-labeled human CD133(+) bone marrow-derived stem cells (BMDSCs) in an animal model of Asherman syndrome (AS). DESIGN Prospective experimental animal study. SETTING University research laboratories. ANIMAL(S) Nonobese diabetic mice (strain code 394; NOD.CB17- Prkdc(scid)/NcrCrl) in which AS was induced according to a published protocol. INTERVENTION(S) Human CD133(+) BMDSCs were obtained from patients undergoing autologous cell therapy in refractory AS and endometrial atrophy, labeled with SPIOs and injected either intrauterinely (n = 5) or systemically through the tail vein (n = 5) in the animal model. MAIN OUTCOME MEASURE(S) Accumulation of collagen and glycosaminoglycan deposits detected by trichrome staining. Percentage and localization of engrafted human SPIOs-labeled CD133(+) BMDSCs by Prussian blue staining. Cell proliferation assay using Ki67 and reverse transcriptase-polymerase chain reaction (PCR) for specific paracrine factors. RESULT(S) The induction of the AS in the murine model was demonstrated by the accumulation of collagen and glycosaminoglycan deposits in the damaged horns by trichrome staining. Human SPIOs labeled CD133(+) BMDSCs homing represents 0.59% and 0.65% of total number of cells present in the horns after intrauterine or tail vein injections, respectively. Engrafted cells were localized around endometrial blood vessels, inducing proliferation in surrounding cells based on Ki67 and regulation of the paracrine factors thrombospondin 1 and insulin-like growth factor 1. CONCLUSION(S) The injection of human SPIOs labeled CD133(+) BMDSCs in a murine model of AS confirms that these cells engraft around endometrial vessels, inducing proliferation of surrounding cells through paracrine molecules such as thrombospondin 1 and insulin-like growth factor 1. CLINICAL TRIAL REGISTRATION NUMBER NCT02144987.
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Affiliation(s)
- Irene Cervelló
- Fundación Instituto Valenciano de Infertilidad (FIVI), Department of Obstetrics & Gynecology, School of Medicine, Valencia University and Instituto Universitario IVI/INCLIVA, Valencia, Spain.
| | - Claudia Gil-Sanchis
- Fundación Instituto Valenciano de Infertilidad (FIVI), Department of Obstetrics & Gynecology, School of Medicine, Valencia University and Instituto Universitario IVI/INCLIVA, Valencia, Spain
| | | | | | - Ana Díaz
- School of Medicine, Valencia University, Valencia, Spain
| | - Amparo Faus
- Fundación Instituto Valenciano de Infertilidad (FIVI), Department of Obstetrics & Gynecology, School of Medicine, Valencia University and Instituto Universitario IVI/INCLIVA, Valencia, Spain
| | - Antonio Pellicer
- Fundación Instituto Valenciano de Infertilidad (FIVI), Department of Obstetrics & Gynecology, School of Medicine, Valencia University and Instituto Universitario IVI/INCLIVA, Valencia, Spain; Instituto Valenciano Infertilidad (IVI) Valencia, Valencia, Spain
| | - Carlos Simón
- Fundación Instituto Valenciano de Infertilidad (FIVI), Department of Obstetrics & Gynecology, School of Medicine, Valencia University and Instituto Universitario IVI/INCLIVA, Valencia, Spain; School of Medicine, Valencia University, Valencia, Spain; Department of Obstetrics & Gynecology, Stanford University School of Medicine, Stanford University, Stanford, California
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Masuda H, Maruyama T, Gargett CE, Miyazaki K, Matsuzaki Y, Okano H, Tanaka M. Endometrial side population cells: potential adult stem/progenitor cells in endometrium. Biol Reprod 2015; 93:84. [PMID: 26316062 DOI: 10.1095/biolreprod.115.131490] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Accepted: 08/19/2015] [Indexed: 12/18/2022] Open
Abstract
Uterine endometrium is one of the most important organs for species preservation. However, the physiology of human endometrium remains poorly understood, because the human endometrium undergoes rapid and large changes during each menstrual cycle and it is very difficult to investigate human endometrium as one organ. This remarkable regenerative capacity of human endometrium strongly suggests the existence of adult stem cells, and physiology of endometrium cannot be explained without adult stem cells. Therefore, investigating endometrial stem/progenitor cells should lead to a breakthrough in understanding the normal endometrial physiology and the pathophysiology of endometrial neoplastic disorders, such as endometriosis and endometrial cancer. Several cell populations have been discovered as putative endometrial stem/progenitor cells. Emerging evidence reveals that the endometrial side population (SP) is one of the potential endometrial stem/progenitor populations. Of all the endometrial stem/progenitor cell candidates, the endometrial SP (ESP) is best investigated in vitro and in vivo, and has the largest number of references. In this review, we provide an overview of the accumulating evidence for the ESP cells, both directly from human endometria and from cultured endometrial cells. Furthermore, SP cells are compared to other potential stem/progenitor cells, and we discuss their stem cell properties. We also discuss the difficulties and unsolved issues in endometrial stem cell biology.
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Affiliation(s)
- Hirotaka Masuda
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
| | - Tetsuo Maruyama
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
| | - Caroline E Gargett
- The Ritchie Centre, Hudson Monash Institute of Medical Research and Department of Obstetrics and Gynaecology, Monash University, Melbourne, Victoria, Australia
| | - Kaoru Miyazaki
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
| | - Yumi Matsuzaki
- Department of Life Science Laboratory of Tumor Biology, Shimane University Faculty of Medicine, Izumo, Shimane, Japan
| | - Hideyuki Okano
- Department of Physiology, Keio University School of Medicine, Tokyo, Japan
| | - Mamoru Tanaka
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
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Mutlu L, Hufnagel D, Taylor HS. The endometrium as a source of mesenchymal stem cells for regenerative medicine. Biol Reprod 2015; 92:138. [PMID: 25904012 DOI: 10.1095/biolreprod.114.126771] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Accepted: 04/09/2015] [Indexed: 12/21/2022] Open
Abstract
Stem cell therapies have opened new frontiers in medicine with the possibility of regenerating lost or damaged cells. Embryonic stem cells, induced pluripotent stem cells, hematopoietic stem cells, and mesenchymal stem cells have been used to derive mature cell types for tissue regeneration and repair. However, the endometrium has emerged as an attractive, novel source of adult stem cells that are easily accessed and demonstrate remarkable differentiation capacity. In this review, we summarize our current understanding of endometrial stem cells and their therapeutic potential in regenerative medicine.
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Affiliation(s)
- Levent Mutlu
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut
| | - Demetra Hufnagel
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut
| | - Hugh S Taylor
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut
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Gunjal P, Bhartiya D, Metkari S, Manjramkar D, Patel H. Very small embryonic-like stem cells are the elusive mouse endometrial stem cells--a pilot study. J Ovarian Res 2015; 8:9. [PMID: 25824685 PMCID: PMC4369871 DOI: 10.1186/s13048-015-0138-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Accepted: 02/23/2015] [Indexed: 01/17/2023] Open
Abstract
Background Endometrium undergoes dramatic growth, breakdown and regeneration throughout reproductive period in mammals. Stem cells have been implicated in the process however their origin, nature, anatomical localization and characterization still remain obscure. Classical concept of presence of stem cells in the basal layer of endometrium was recently challenged when side population and label retaining cells were found to be distributed throughout endometrium. We have earlier reported very small embryonic-like stem cells (VSELs) in adult mammalian ovary and testis as a small population of cells with nuclear OCT-4 along with progenitors (spermatogonial stem cells and ovarian germ stem cells) with cytoplasmic OCT-4. Present study was undertaken to gauge presence of VSELs in bilaterally ovariectomized mouse uterus and their modulation by hormones. Methods Bilaterally ovariectomized mice were subjected to sequential estradiol and progesterone treatment in order to induce proliferation, differentiation and remodeling (regeneration). Stem cells were studied in tissue smears after H & E staining and after sorting using SCA-1 by immuno-localization and qRT-PCR studies (Oct-4A, Nanog and Sca-1). Flow cytometry studies were also undertaken to confirm the presence of VSELs in mouse uterus. Results Two distinct populations of stem cells with dark stained nucleus and high nucleo-cytoplasmic ratio were detected in ovariectomized mouse uterus. These cells were sorted using SCA-1 and comprised smaller VSELs with nuclear expression of OCT-4 and slightly bigger, more abundant progenitors termed as endometrial stem cells (EnSCs) with cytoplasmic OCT-4. RT-PCR studies showed presence of pluripotent transcripts (Oct-4, Sca-1) and flow cytometry confirmed the presence of 0.069% of LIN-/CD45-/SCA-1+ VSELs. These stem cells were distinctly regulated during endometrial growth, differentiation and regeneration as evidenced by qRT-PCR results. Conclusions VSELs are present in normal uterus and also under conditions of atrophy induced by bilateral ovariectomy. Marked increase in EnSCs is associated with endometrial growth and regeneration. Further studies are warranted to define the niche for these stem cells and whether EnSCs arising from the pluripotent VSELs are common progenitors for epithelial and stromal cells or not remains to be addressed. Results of the present study will help in better understanding of endometrial pathologies and their management in the future. Electronic supplementary material The online version of this article (doi:10.1186/s13048-015-0138-2) contains supplementary material, which is available to authorized users.
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Djokovic D, Calhaz-Jorge C. Somatic stem cells and their dysfunction in endometriosis. Front Surg 2015; 1:51. [PMID: 25593975 PMCID: PMC4286966 DOI: 10.3389/fsurg.2014.00051] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Accepted: 12/14/2014] [Indexed: 01/05/2023] Open
Abstract
Emerging evidence indicates that somatic stem cells (SSCs) of different types prominently contribute to endometrium-associated disorders such as endometriosis. We reviewed the pertinent studies available on PubMed, published in English language until December 2014 and focused on the involvement of SSCs in the pathogenesis of this common gynecological disease. A concise summary of the data obtained from in vitro experiments, animal models, and human tissue analyses provides insights into the SSC dysregulation in endometriotic lesions. In addition, a set of research results is presented supporting that SSC-targeting, in combination with hormonal therapy, may result in improved control of the disease, while a more in-depth characterization of endometriosis SSCs may contribute to the development of early-disease diagnostic tests with increased sensitivity and specificity. Key message: Seemingly essential for the establishment and progression of endometriotic lesions, dysregulated SSCs, and associated molecular alterations hold a promise as potential endometriosis markers and therapeutic targets.
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Affiliation(s)
- Dusan Djokovic
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa , Lisbon , Portugal ; Serviço de Obstetrícia e Ginecologia, Centro Hospitalar de Lisboa Ocidental, Hospital de São Francisco Xavier , Lisbon , Portugal
| | - Carlos Calhaz-Jorge
- Clínica Universitária de Obstetrícia e Ginecologia, Faculdade de Medicina, Universidade de Lisboa , Lisbon , Portugal ; Departamento de Obstetrícia, Ginecologia e Medicina da Reprodução, Centro Hospitalar de Lisboa Norte , Lisbon , Portugal
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Krikun G, Taylor HS. Endometrial Stem Cells as Potential Cures for Human Diseases. Regen Med 2015. [DOI: 10.1007/978-1-4471-6542-2_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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47
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Existence of Mesenchymal-Like Somatic Stem Cells in the Porcine Uterus. Regen Med 2015. [DOI: 10.1007/978-1-4471-6542-2_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Isolation, culture, characterization, and adipogenic differentiation of heifer endometrial mesenchymal stem cells. ACTA ACUST UNITED AC 2014. [DOI: 10.1007/s00580-014-2053-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Wolff EF, Mutlu L, Massasa EE, Elsworth JD, Eugene Redmond D, Taylor HS. Endometrial stem cell transplantation in MPTP- exposed primates: an alternative cell source for treatment of Parkinson's disease. J Cell Mol Med 2014; 19:249-56. [PMID: 25283241 PMCID: PMC4288367 DOI: 10.1111/jcmm.12433] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2014] [Accepted: 08/19/2014] [Indexed: 02/06/2023] Open
Abstract
Parkinson's disease (PD) is a neurodegenerative disease caused by the loss of dopaminergic neurons in the substantia nigra. Cell-replacement therapies have emerged as a promising strategy to slow down or replace neuronal loss. Compared to other stem cell types, endometrium-derived stem cells (EDSCs) are an attractive source of stem cells for cellular therapies because of their ease of collection and vast differentiation potential. Here we demonstrate that endometrium-derived stem cells may be transplanted into an MPTP exposed monkey model of PD. After injection into the striatum, endometrium-derived stem cells engrafted, exhibited neuron-like morphology, expressed tyrosine hydroxylase (TH) and increased the numbers of TH positive cells on the transplanted side and dopamine metabolite concentrations in vivo. Our results suggest that endometrium-derived stem cells may provide a therapeutic benefit in the primate model of PD and may be used in stem cell based therapies.
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Affiliation(s)
- Erin F Wolff
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, USA
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Transplantation of bone marrow mesenchymal stem cells on collagen scaffolds for the functional regeneration of injured rat uterus. Biomaterials 2014; 35:4888-900. [DOI: 10.1016/j.biomaterials.2014.02.046] [Citation(s) in RCA: 140] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2014] [Accepted: 02/23/2014] [Indexed: 02/06/2023]
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