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Zhou Z, Wu X, Chen T, Zhang B, Li W, Zhou M, Zhao J, Dong E, Li T. Restoration of functional endometrium in an intrauterine adhesion rat model with endometrial stromal cells transplantation. Stem Cell Res Ther 2024; 15:181. [PMID: 38902788 PMCID: PMC11191336 DOI: 10.1186/s13287-024-03788-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 06/09/2024] [Indexed: 06/22/2024] Open
Abstract
BACKGROUND Intrauterine adhesion (IUA) as a prevalent gynecological disease is developed from infection or trauma. However, therapeutic strategies to repair damaged endometrium are relatively limited. Emerging studies have shed light on the crucial role of endometrial stromal cells (EnSCs) in the process of uterine endometrial regeneration. EnSCs isolated from the uterine endometrium have similar characteristics to mesenchymal stem cells (MSCs). However, it is still unknown whether EnSCs could be used as donor cells to treat IUA. The aim of this study was to evaluate the potential efficacy of EnSCs in treating rat IUA. METHODS Human EnSCs were isolated from the endometrial tissue of healthy female donors and subjected to extensive expansion and culture in vitro. Immunofluorescence, flow cytometry, cell proliferation assay, trilineage differentiation experiment, and decidualization assay were used to characterize the biological properties of EnSCs. We evaluated the immunoregulatory potential of EnSCs by analyzing their secreted cytokines and conducting bulk RNA sequencing after IFN-γ treatment. After EnSCs were transplanted into the uterine muscle layer in IUA rats, their therapeutic effects and underlying mechanisms were analyzed using histological analysis, Q-PCR, fertility and pregnancy outcome assay, and transcriptome analysis. RESULTS We successfully isolated EnSCs from the endometrium of human donors and largely expanded in vitro. EnSCs exhibited characteristics of mesenchymal stem cells and retained responsiveness to sex hormones. Following IFN-γ stimulation, EnSCs upregulated the anti-inflammatory cytokines and activated immunosuppressive molecules. Xenogeneic transplantation of EnSCs successfully repaired injured endometrium and significantly restored the pregnancy rate in IUA rats. Mechanistically, the therapeutic effects of EnSCs on IUA endometrium functioned through anti-inflammation, anti-fibrosis and the secretion of regeneration factor. CONCLUSIONS Due to their large expansion ability, immunoregulatory properties, and great potential in treating IUA, EnSCs, as a valuable source of donor cells, could offer a potential treatment avenue for injury-induced IUA.
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Affiliation(s)
- Zhengli Zhou
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, 650500, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, 650500, China
- The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650031, China
| | - Xiaomei Wu
- The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650031, China
| | - Tingwei Chen
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, 650500, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, 650500, China
| | - Bo Zhang
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, 650500, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, 650500, China
| | - Wenxin Li
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, 650500, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, 650500, China
| | - Min Zhou
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, 650500, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, 650500, China
| | - Jingxue Zhao
- The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650031, China
| | - E Dong
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, 650500, China.
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, 650500, China.
| | - Tianqing Li
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, 650500, China.
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, 650500, China.
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Karadbhajne P, Dzoagbe HY, More A. Platelet-Rich Plasma (PRP) for Endometrial Treatment Efficacy and Safety in Assisted Reproductive Technology: A Comprehensive Review. Cureus 2024; 16:e59728. [PMID: 38841044 PMCID: PMC11151180 DOI: 10.7759/cureus.59728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Accepted: 05/05/2024] [Indexed: 06/07/2024] Open
Abstract
Platelet-rich plasma (PRP) is among the new ground-breaking methods called for endometrial disorders detected in assisted reproductive technology (ART). This research work takes account of both a systematic literature review and an exploration of the molecular connections. The report aims to present the capabilities and benefits of the PRP in ART and the nonconformance and dangers involved in its use in ART. However, all these stages of ART need conducive endometrium, live micro embryo, and coordinated interaction between the blastocyst and the uterus. Despite all ART has achieved, implantation failure still exists as a problem having one quarter being attributed to the absence of the endometrial receptivity level. The review points to a corresponding increase in the role of autologous PRP in promoting cell proliferation, neo-angiogenesis, and anti-inflammatory effects to facilitate effective endometrial receptivity. The outcome of prior trials with the PRP approach proved to be positive for women with adenomyosis, thin endometrial lining, recurring implantation failure, chronic endometritis, and Asherman's syndrome. Challenges still exist in the proper placement of PRP for all women with infertility problems as well as how it works for individuals with blood disorders and infections. This study will look into the safest number of doses, the time of acting, and the possible future health hazards that both mother and child may face.
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Affiliation(s)
- Priti Karadbhajne
- Clinical Embryology, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Hellen Y Dzoagbe
- Pharmacy, Datta Meghe Institute of Higher Education and Research, Wardha, IND
- Nursing, Public Health Nurses' School, Accra, GHA
| | - Akash More
- Clinical Embryology, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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3
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James LM, Strickland Z, Lopez N, Whited JL, Maden M, Lewis J. Identification and Analysis of Axolotl Homologs for Proteins Implicated in Human Neurodegenerative Proteinopathies. Genes (Basel) 2024; 15:310. [PMID: 38540368 PMCID: PMC10969905 DOI: 10.3390/genes15030310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 02/22/2024] [Accepted: 02/24/2024] [Indexed: 06/14/2024] Open
Abstract
Neurodegenerative proteinopathies such as Alzheimer's Disease are characterized by abnormal protein aggregation and neurodegeneration. Neuroresilience or regenerative strategies to prevent neurodegeneration, preserve function, or restore lost neurons may have the potential to combat human proteinopathies; however, the adult human brain possesses a limited capacity to replace lost neurons. In contrast, axolotls (Ambystoma mexicanum) show robust brain regeneration. To determine whether axolotls may help identify potential neuroresilience or regenerative strategies in humans, we first interrogated whether axolotls express putative proteins homologous to human proteins associated with neurodegenerative diseases. We compared the homology between human and axolotl proteins implicated in human proteinopathies and found that axolotls encode proteins highly similar to human microtubule-binding protein tau (tau), amyloid precursor protein (APP), and β-secretase 1 (BACE1), which are critically involved in human proteinopathies like Alzheimer's Disease. We then tested monoclonal Tau and BACE1 antibodies previously used in human and rodent neurodegenerative disease studies using immunohistochemistry and western blotting to validate the homology for these proteins. These studies suggest that axolotls may prove useful in studying the role of these proteins in disease within the context of neuroresilience and repair.
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Affiliation(s)
- Lucas M. James
- Department of Neuroscience, University of Florida, Gainesville, FL 32610, USA; (L.M.J.); (Z.S.)
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL 32610, USA
- Evelyn F. and William L. McKnight Brain Institute, University of Florida, Gainesville, FL 32610, USA
| | - Zachary Strickland
- Department of Neuroscience, University of Florida, Gainesville, FL 32610, USA; (L.M.J.); (Z.S.)
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL 32610, USA
- Evelyn F. and William L. McKnight Brain Institute, University of Florida, Gainesville, FL 32610, USA
| | - Noah Lopez
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA
- The Harvard Stem Cell Institute, Cambridge, MA 02138, USA
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Jessica L. Whited
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA
- The Harvard Stem Cell Institute, Cambridge, MA 02138, USA
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Malcolm Maden
- Department of Biology and UF Genetics Institute, University of Florida, Gainesville, FL 32611, USA
| | - Jada Lewis
- Department of Neuroscience, University of Florida, Gainesville, FL 32610, USA; (L.M.J.); (Z.S.)
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL 32610, USA
- Evelyn F. and William L. McKnight Brain Institute, University of Florida, Gainesville, FL 32610, USA
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Saad-Naguib MH, Kenfack Y, Sherman LS, Chafitz OB, Morelli SS. Impaired receptivity of thin endometrium: therapeutic potential of mesenchymal stem cells. Front Endocrinol (Lausanne) 2024; 14:1268990. [PMID: 38344687 PMCID: PMC10854221 DOI: 10.3389/fendo.2023.1268990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 12/26/2023] [Indexed: 02/15/2024] Open
Abstract
The endometrium is a resilient and highly dynamic tissue, undergoing cyclic renewal in preparation for embryo implantation. Cyclic endometrial regeneration depends on the intact function of several cell types, including parenchymal, endothelial, and immune cells, as well as adult stem cells that can arise from endometrial or extrauterine sources. The ability of the endometrium to undergo rapid, repeated regeneration without scarring is unique to this tissue. However, if this tissue renewal process is disrupted or dysfunctional, women may present clinically with infertility due to endometrial scarring or persistent atrophic/thin endometrium. Such disorders are rate-limiting in the treatment of female infertility and in the success of in vitro fertilization because of a dearth of treatment options specifically targeting the endometrium. A growing number of studies have explored the potential of adult stem cells, including mesenchymal stem cells (MSCs), to treat women with disorders of endometrial regeneration. MSCs are multipotent adult stem cells with capacity to differentiate into cells such as adipocytes, chondrocytes, and osteoblasts. In addition to their differentiation capacity, MSCs migrate toward injured sites where they secrete bioactive factors (e.g. cytokines, chemokines, growth factors, proteins and extracellular vesicles) to aid in tissue repair. These factors modulate biological processes critical for tissue regeneration, such as angiogenesis, cell migration and immunomodulation. The MSC secretome has therefore attracted significant attention for its therapeutic potential. In the uterus, studies utilizing rodent models and limited human trials have shown a potential benefit of MSCs and the MSC secretome in treatment of endometrial infertility. This review will explore the potential of MSCs to treat women with impaired endometrial receptivity due to a thin endometrium or endometrial scarring. We will provide context supporting leveraging MSCs for this purpose by including a review of mechanisms by which the MSC secretome promotes regeneration and repair of nonreproductive tissues.
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Affiliation(s)
- Michael H. Saad-Naguib
- Department of Obstetrics, Gynecology & Reproductive Health, Rutgers Biomedical and Health Sciences, Rutgers, The State University of New Jersey, Newark, NJ, United States
| | - Yannick Kenfack
- Department of Medicine, Rutgers Biomedical and Health Sciences, Rutgers, The State University of New Jersey, Newark, NJ, United States
| | - Lauren S. Sherman
- Department of Medicine, Rutgers Biomedical and Health Sciences, Rutgers, The State University of New Jersey, Newark, NJ, United States
| | - Olivia B. Chafitz
- Department of Obstetrics & Gynecology, Hackensack University Medical Center, Hackensack, NJ, United States
| | - Sara S. Morelli
- Department of Obstetrics, Gynecology & Reproductive Health, Rutgers Biomedical and Health Sciences, Rutgers, The State University of New Jersey, Newark, NJ, United States
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Glazieva VS, Alexandrushkina NA, Nimiritsky PP, Kulebyakina MA, Eremichev RY, Makarevich PI. Extracellular Matrix Deposition Defines the Duration of Cell Sheet Assembly from Human Adipose-Derived MSC. Int J Mol Sci 2023; 24:17050. [PMID: 38069373 PMCID: PMC10707034 DOI: 10.3390/ijms242317050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/12/2023] [Accepted: 11/29/2023] [Indexed: 12/18/2023] Open
Abstract
Cell sheet (CS) engineering using mesenchymal stromal cells (MSC) draws significant interest for regenerative medicine and this approach translates to clinical use for numerous indications. However, little is known of factors that define the timing of CS assembly from primary cultures. This aspect is important for planning CS delivery in autologous and allogeneic modes of use. We used a comparative in vitro approach with primary donors' (n = 14) adipose-derived MSCs and evaluated the impact of healthy subject's sex, MSC culture features (population doubling time and lag-phase), and extracellular matrix (ECM) composition along with factors related to connective tissue formations (α-SMA and FAP-α) on CS assembly duration. Using qualitative and quantitative analysis methods, we found that, in seeded MSCs, high contents of collagen I and collagen IV had a direct correlation with longer CS assembly duration. We found that short lag-phase cultures faster turned to a ready-to-use CS, while age, sex, fibronectin, laminin, α-SMA, and FAP-α failed to provide a significant correlation with the timing of assembly. In detachable CSs, FAP-α was negatively correlated with the duration of assembly, suggesting that its concentration rose over time and contributed to MSC activation, transitioning to α-SMA-positive myofibroblasts and ECM turnover. Preliminary data on cell density and collagen I deposition suggested that the TGF-β1 signaling axis is of pivotal importance for ECM composition and construct maturation.
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Affiliation(s)
- Valentina S Glazieva
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 27-10, Lomonosovskiy av., Moscow 119192, Russia
- Faculty of Medicine, Lomonosov Moscow State University, 27-1, Lomonosovskiy av., Moscow 119192, Russia
| | - Natalya A Alexandrushkina
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 27-10, Lomonosovskiy av., Moscow 119192, Russia
- Faculty of Medicine, Lomonosov Moscow State University, 27-1, Lomonosovskiy av., Moscow 119192, Russia
| | - Peter P Nimiritsky
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 27-10, Lomonosovskiy av., Moscow 119192, Russia
- Faculty of Medicine, Lomonosov Moscow State University, 27-1, Lomonosovskiy av., Moscow 119192, Russia
| | - Maria A Kulebyakina
- Faculty of Medicine, Lomonosov Moscow State University, 27-1, Lomonosovskiy av., Moscow 119192, Russia
| | - Roman Yu Eremichev
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 27-10, Lomonosovskiy av., Moscow 119192, Russia
- Faculty of Medicine, Lomonosov Moscow State University, 27-1, Lomonosovskiy av., Moscow 119192, Russia
| | - Pavel I Makarevich
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 27-10, Lomonosovskiy av., Moscow 119192, Russia
- Faculty of Medicine, Lomonosov Moscow State University, 27-1, Lomonosovskiy av., Moscow 119192, Russia
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6
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Habiba M, Benagiano G, Guo SW. An Appraisal of the Tissue Injury and Repair (TIAR) Theory on the Pathogenesis of Endometriosis and Adenomyosis. Biomolecules 2023; 13:975. [PMID: 37371555 DOI: 10.3390/biom13060975] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/07/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
As understanding their pathogenesis remains elusive, both endometriosis and adenomyosis are often referred to as "enigmatic diseases". The uncertainty and heightened interest are reflected in the range of expressed views and opinions. There is a sense of urgency because of the entailed patient suffering. The plethora of opinions calls for a critical analysis of proposed theories, both old and new. A series of papers published since 2009 proposed that both endometriosis and adenomyosis originate from the same aberrations occurring within the uterus. This came to be recognized as the tissue injury and repair theory, and the newly coined term "archimetrosis" posits that the two diseases share the same origin. While the theory opens an interesting channel for exploration, its claim as a unifying theory necessitates a critical appraisal. We, thus, undertook this review of the theory and analyzed its underpinnings based on a comprehensive review of the literature. Our appraisal indicates that the theory is open to a range of criticisms. Chief among these is the need for confirmatory evidence of features of abnormal uterine contractility and the lack of data addressing the question of causality. In addition, the theory has, as yet, no supporting epidemiological evidence, which is a major weakness. The theory suffers as it is not open to the test of falsifiability, and it lacks the ability to make useful predictions. It has not addressed the questions, such as why only a small percentage of women develop adenomyosis or endometriosis, given the ubiquity of uterine peristalsis. On the other hand, the triggers and prevention of hyper- or dys-peristalsis become critical to a theory of causation. We conclude that additional supportive evidence is required for the theory to be accepted.
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Affiliation(s)
- Marwan Habiba
- Department of Health Sciences, University of Leicester and University Hospitals of Leicester, Leicester LE1 5WW, UK
| | - Giuseppe Benagiano
- Faculty of Medicine and Dentistry, Sapienza, University of Rome, 00161 Rome, Italy
| | - Sun-Wei Guo
- Research Institute, Shanghai Obstetrics & Gynecology Hospital, Fudan University, Shanghai 200011, China
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Fudan University, Shanghai 200011, China
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7
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Tabeeva G, Silachev D, Vishnyakova P, Asaturova A, Fatkhudinov T, Smetnik A, Dumanovskaya M. The Therapeutic Potential of Multipotent Mesenchymal Stromal Cell-Derived Extracellular Vesicles in Endometrial Regeneration. Int J Mol Sci 2023; 24:ijms24119431. [PMID: 37298382 DOI: 10.3390/ijms24119431] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 05/24/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023] Open
Abstract
Disruption of endometrial regeneration, fibrosis formation, and intrauterine adhesions underlie the development of "thin" endometrium and/or Asherman's syndrome (AS) and are a common cause of infertility and a high risk for adverse obstetric outcomes. The methods used (surgical adhesiolysis, anti-adhesive agents, and hormonal therapy) do not allow restoration of the regenerative properties of the endometrium. The experience gained today with cell therapy using multipotent mesenchymal stromal cells (MMSCs) proves their high regenerative and proliferative properties in tissue damage. Their contribution to regenerative processes is still poorly understood. One of these mechanisms is based on the paracrine effects of MMSCs associated with the stimulation of cells of the microenvironment by secreting extracellular vesicles (EVs) into the extracellular space. EVs, whose source is MMSCs, are able to stimulate progenitor cells and stem cells in damaged tissues and exert cytoprotective, antiapoptotic, and angiogenic effects. This review described the regulatory mechanisms of endometrial regeneration, pathological conditions associated with a decrease in endometrial regeneration, and it presented the available data from studies on the effect of MMSCs and their EVs on endometrial repair processes, and the involvement of EVs in human reproductive processes at the level of implantation and embryogenesis.
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Affiliation(s)
- Gyuzyal Tabeeva
- National Medical Research Center for Obstetrics, Gynecology and Perinatology Named after Academician V.I. Kulakov of Ministry of Healthcare of Russian Federation, 117997 Moscow, Russia
| | - Denis Silachev
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Polina Vishnyakova
- National Medical Research Center for Obstetrics, Gynecology and Perinatology Named after Academician V.I. Kulakov of Ministry of Healthcare of Russian Federation, 117997 Moscow, Russia
- Research Institute of Molecular and Cellular Medicine, Peoples' Friendship University of Russia (RUDN University), 117198 Moscow, Russia
| | - Alexandra Asaturova
- National Medical Research Center for Obstetrics, Gynecology and Perinatology Named after Academician V.I. Kulakov of Ministry of Healthcare of Russian Federation, 117997 Moscow, Russia
| | - Timur Fatkhudinov
- Research Institute of Molecular and Cellular Medicine, Peoples' Friendship University of Russia (RUDN University), 117198 Moscow, Russia
- Avtsyn Research Institute of Human Morphology of Federal State Budgetary Scientific Institution Petrovsky National Research Centre of Surgery, 117418 Moscow, Russia
| | - Antonina Smetnik
- National Medical Research Center for Obstetrics, Gynecology and Perinatology Named after Academician V.I. Kulakov of Ministry of Healthcare of Russian Federation, 117997 Moscow, Russia
| | - Madina Dumanovskaya
- National Medical Research Center for Obstetrics, Gynecology and Perinatology Named after Academician V.I. Kulakov of Ministry of Healthcare of Russian Federation, 117997 Moscow, Russia
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Guo Z, Wang Y, Wen X, Xu X, Yan L. β-Klotho Promotes the Development of Intrauterine Adhesions via the PI3K/AKT Signaling Pathway. Int J Mol Sci 2022; 23:ijms231911294. [PMID: 36232594 PMCID: PMC9569898 DOI: 10.3390/ijms231911294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/06/2022] [Accepted: 09/12/2022] [Indexed: 11/16/2022] Open
Abstract
Intrauterine adhesion (IUA) refers to injury to the basal layer of the endometrium, which can be caused by various factors. It is often accompanied by clinical symptoms such as abnormal menstruation, infertility, recurrent abortion, and periodic abdominal pain. In recent years, a number of studies have reported the effects of β-Klotho (KLB) on the occurrence and development of human tumors and fibrotic diseases, but its relationship with endometrial fibroblasts and endometrial fibrosis has not been elucidated. In this study, we compared the expression of KLB in endometrial stromal cells (ESCs) from patients with IUA and normal controls. We constructed animal and cell models of IUA and conducted expression verification and functional experiments on KLB. We found that the expression of KLB was significantly increased in the ESCs of IUA patients and rat models compared with the controls. The overexpression of KLB could promote the proliferation and fibrosis of ESCs. In addition, the overexpression of KLB activated the PI3K/AKT signaling pathway in ESCs. Our study shows that KLB protein is highly expressed in the ESCs of patients with IUA and can enhance stromal cell proliferation and cell fibrosis by activating the PI3K/AKT pathway, thus promoting the development of IUA.
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Affiliation(s)
- Zizhen Guo
- Center for Reproductive Medicine, Shandong University, Jinan 250000, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan 250000, China
- Shandong Key Laboratory of Reproductive Medicine, Jinan 250000, China
- The First Clinical College, Shandong University of Traditional Chinese Medicine, Jinan 250000, China
- Reproductive and Genetic Center of Integrative Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan 250000, China
| | - Yuqing Wang
- Center for Reproductive Medicine, Shandong University, Jinan 250000, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan 250000, China
- Shandong Key Laboratory of Reproductive Medicine, Jinan 250000, China
| | - Xiaoyang Wen
- Center for Reproductive Medicine, Shandong University, Jinan 250000, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan 250000, China
- Shandong Key Laboratory of Reproductive Medicine, Jinan 250000, China
| | - Xinxin Xu
- Center for Reproductive Medicine, Shandong University, Jinan 250000, China
| | - Lei Yan
- Center for Reproductive Medicine, Shandong University, Jinan 250000, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan 250000, China
- Shandong Key Laboratory of Reproductive Medicine, Jinan 250000, China
- Correspondence:
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9
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Endometrial stem/progenitor cells: Properties, origins, and functions. Genes Dis 2022. [DOI: 10.1016/j.gendis.2022.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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10
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Liu R, Dai M, Gong G, Chen M, Cao C, Wang T, Hou Z, Shi Y, Guo J, Zhang Y, Xia X. The role of extracellular matrix on unfavorable maternal–fetal interface: focusing on the function of collagen in human fertility. JOURNAL OF LEATHER SCIENCE AND ENGINEERING 2022. [DOI: 10.1186/s42825-022-00087-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
AbstractExtracellular matrix (ECM) is characterized as widespread, abundant, and pluripotent. Among ECM members, collagen is widely accepted as one of the most prominent components for its essential structural property that can provide a scaffold for other components of ECM and the rich biological functions, which has been extensively used in tissue engineering. Emerging evidence has shown that the balance of ECM degradation and remodeling is vital to regulations of maternal–fetal interface including menstrual cycling, decidualization, embryo implantation and pregnancy maintenance. Moreover, disorders in these events may eventually lead to failure of pregnancy. Although the improvement of assisted conception and embryo culture technologies bring hope to many infertile couples, some unfavorable outcomes, such as recurrent implantation failure (RIF), recurrent pregnancy loss (RPL) or recurrent miscarriage (RM), keep troubling the clinicians and patients. Recently, in vitro three-dimensional (3D) model mimicking the microenvironment of the maternal–fetal interface is developed to investigate the physiological and pathological conditions of conception and pregnancy. The progress of this technology is based on clarifying the role of ECM in the endometrium and the interaction between endometrium and conceptus. Focusing on collagen, the present review summarized the degradation and regulation of ECM and its role in normal menstruation, endometrium receptivity and unsatisfying events occurring in infertility treatments, as well as the application in therapeutic approaches to improve pregnancy outcomes. More investigations about ECM focusing on the maternal–fetal interface interaction with mesenchymal stem cells or local immunoregulation may inspire new thoughts and advancements in the clinical application of infertility treatments.
Graphical abstract
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11
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Guan CY, Wang F, Zhang L, Sun XC, Zhang D, Wang H, Xia HF, Xia QY, Ma X. Genetically engineered FGF1-sericin hydrogel material treats intrauterine adhesion and restores fertility in rat. Regen Biomater 2022; 9:rbac016. [PMID: 35480860 PMCID: PMC9036899 DOI: 10.1093/rb/rbac016] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 02/14/2022] [Accepted: 02/28/2022] [Indexed: 11/13/2022] Open
Abstract
Abstract
Endometrial injury can cause intrauterine adhesions (IUA) and induce the formation of endometrial fibrosis, leading to infertility and miscarriage. At present, there is no effective treatment method for severe IUA and uterine basal injury with adhesion area larger than 1/3 of the uterus. In this study, we prepared FGF1 silk sericin hydrogel material (FGF1-SS hydrogel) to treat endometrial injury and prevent endometrial fibrosis. Compared with the silk sericin hydrogel material (WT-SS hydrogel), FGF1-SS hydrogel significantly promotes the cell migration and infiltration ability of endometrial stromal cells (ESCs). More importantly, FGF1-SS hydrogel can release FGF1 stably for a long time and inhibit The ESCs injury model forms fibrosis through the TGF-β/Smad pathway. In the IUA rat model, FGF1-SS hydrogel treatment effectively restored the number of uterine glands and uterine wall thickness in rats, with a fertility rate of 65.1 ± 6.4%. The results show that FGF1-SS hydrogel is expected to be a candidate to prevent IUA.
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Affiliation(s)
- Chun-Yi Guan
- Reproductive and Genetic Center of National Research Institute for Family Planning, Beijing, 100081, People’s Republic of China
- Graduate School, Peking Union Medical College, Beijing, 100005, People’s Republic of China
| | - Feng Wang
- Biological Science Research Center, Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing, 400715, People’s Republic of China
| | - Lu Zhang
- Reproductive and Genetic Center of National Research Institute for Family Planning, Beijing, 100081, People’s Republic of China
- Graduate School, Peking Union Medical College, Beijing, 100005, People’s Republic of China
| | - Xue-Cheng Sun
- Reproductive and Genetic Center of National Research Institute for Family Planning, Beijing, 100081, People’s Republic of China
- Graduate School, Peking Union Medical College, Beijing, 100005, People’s Republic of China
| | - Dan Zhang
- Reproductive and Genetic Center of National Research Institute for Family Planning, Beijing, 100081, People’s Republic of China
- Graduate School, Peking Union Medical College, Beijing, 100005, People’s Republic of China
| | - Hu Wang
- Reproductive and Genetic Center of National Research Institute for Family Planning, Beijing, 100081, People’s Republic of China
- Graduate School, Peking Union Medical College, Beijing, 100005, People’s Republic of China
| | - Hong-Fei Xia
- Reproductive and Genetic Center of National Research Institute for Family Planning, Beijing, 100081, People’s Republic of China
- Graduate School, Peking Union Medical College, Beijing, 100005, People’s Republic of China
| | - Qing-You Xia
- Biological Science Research Center, Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing, 400715, People’s Republic of China
| | - Xu Ma
- Reproductive and Genetic Center of National Research Institute for Family Planning, Beijing, 100081, People’s Republic of China
- Graduate School, Peking Union Medical College, Beijing, 100005, People’s Republic of China
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Salamonsen LA. Menstrual Fluid Factors Mediate Endometrial Repair. FRONTIERS IN REPRODUCTIVE HEALTH 2021; 3:779979. [PMID: 36304016 PMCID: PMC9580638 DOI: 10.3389/frph.2021.779979] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 11/15/2021] [Indexed: 11/13/2022] Open
Abstract
Menstruation is a process whereby the outer functionalis layer of the endometrium is shed each month in response to falling progesterone and estrogen levels in a non-conception cycle. Simultaneously with the tissue breakdown, the surface is re-epithelialized, protecting the wound from infection. Once menstruation is complete and estrogen levels start to rise, regeneration progresses throughout the proliferative phase of the cycle, to fully restore endometrial thickness. Endometrial repair is unique compared to tissue repair elsewhere in the adult, in that it is rapid, scar-free and occurs around 400 times during each modern woman's reproductive life. The shedding tissue and that undergoing repair is bathed in menstrual fluid, which contains live cells, cellular debris, fragments of extracellular matrix, activated leukocytes and their products, soluble cellular components and extracellular vesicles. Proteomic and other analyses have revealed some detail of these components. Menstrual fluid, along with a number of individual proteins enhances epithelial cell migration to cover the wound. This is shown in endometrial epithelial and keratinocyte cell culture models, in an ex vivo decellularized skin model and in pig wounds in vivo. Thus, the microenvironment provided by menstrual fluid, is likely responsible for the unique rapid and scar-free repair of this remarkable tissue. Insight gained from analysis of this fluid is likely to be of value not only for treating endometrial bleeding problems but also in providing potential new therapies for poorly repairing wounds such as those seen in the aged and in diabetics.
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Platelet-Derived Growth Factor Induces SASP-Associated Gene Expression in Human Multipotent Mesenchymal Stromal Cells but Does Not Promote Cell Senescence. Biomedicines 2021; 9:biomedicines9101290. [PMID: 34680406 PMCID: PMC8533296 DOI: 10.3390/biomedicines9101290] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 09/10/2021] [Accepted: 09/15/2021] [Indexed: 12/28/2022] Open
Abstract
Activation of multipotent mesenchymal stromal cells (MSCs) is a central part of tissue response to damage. Platelet-derived growth factor (PDGF-BB), which is abundantly released in the damaged area, potently stimulates the proliferation and migration of MSCs. Recent evidence indicates that tissue injury is associated with the accumulation of senescent cells, including ones of MSC origin. Therefore, we hypothesized that PDGF-BB induces MSC senescence. To evaluate mechanisms of early activation of MSCs by PDGF-BB, we performed transcriptome profiling of human MSCs isolated from adipose tissue after exposure to PDGF-BB for 12 and 24 h. We demonstrated that PDGF-BB induced the expression of several genes encoding the components of senescence-associated secretory phenotype (SASP) in MSCs such as plasminogen activator inhibitor-1 (PAI-1), urokinase-type plasminogen activator and its receptor (uPA and uPAR), and some matrix metalloproteases. However, further experimental validation of transcriptomic data clearly indicated that PDGF-BB exerted mitogenic and pro-migratory effects on MSCs, and augmented their pro-angiogenic activity, but did not significantly stimulate MSC senescence.
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Self-Organization Provides Cell Fate Commitment in MSC Sheet Condensed Areas via ROCK-Dependent Mechanism. Biomedicines 2021; 9:biomedicines9091192. [PMID: 34572378 PMCID: PMC8470239 DOI: 10.3390/biomedicines9091192] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/30/2021] [Accepted: 09/07/2021] [Indexed: 12/13/2022] Open
Abstract
Multipotent mesenchymal stem/stromal cells (MSC) are one of the crucial regulators of regeneration and tissue repair and possess an intrinsic program from self-organization mediated by condensation, migration and self-patterning. The ability to self-organize has been successfully exploited in tissue engineering approaches using cell sheets (CS) and their modifications. In this study, we used CS as a model of human MSC spontaneous self-organization to demonstrate its structural, transcriptomic impact and multipotent stromal cell commitment. We used CS formation to visualize MSC self-organization and evaluated the role of the Rho-GTPase pathway in spontaneous condensation, resulting in a significant anisotropy of the cell density within the construct. Differentiation assays were carried out using conventional protocols, and microdissection and RNA-sequencing were applied to establish putative targets behind the observed phenomena. The differentiation of MSC to bone and cartilage, but not to adipocytes in CS, occurred more effectively than in the monolayer. RNA-sequencing indicated transcriptional shifts involving the activation of the Rho-GTPase pathway and repression of SREBP, which was concordant with the lack of adipogenesis in CS. Eventually, we used an inhibitory analysis to validate our findings and suggested a model where the self-organization of MSC defined their commitment and cell fate via ROCK1/2 and SREBP as major effectors under the putative switching control of AMP kinase.
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