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The Abundance and Function of Neutrophils in the Endometriosis Systemic and Pelvic Microenvironment. Mediators Inflamm 2023; 2023:1481489. [PMID: 36762287 PMCID: PMC9904898 DOI: 10.1155/2023/1481489] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/07/2022] [Accepted: 12/16/2022] [Indexed: 02/03/2023] Open
Abstract
Endometriosis is a common inflammatory illness in which endometrial tissue grows outside the uterine cavity. Immune dysfunction is now widely acknowledged as the primary cause of endometriosis. The immune cell population represented by neutrophils is thought to play an essential role in the etiology, pathophysiology, and associated clinical outcome. There is growing evidence that neutrophils have a role in chronic and aseptic inflammatory diseases, and endometriosis patients have increased levels of neutrophils in plasma, peritoneal fluid, and ectopic endometrium. Here, we sought to review the function of neutrophils in the pathogenesis of endometriosis, with an emphasis on the role of neutrophils in regulating endometrial angiogenesis and the local inflammatory microenvironment.
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2
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Menger MM, Körbel C, Bauer D, Bleimehl M, Tobias AL, Braun BJ, Herath SC, Rollmann MF, Laschke MW, Menger MD, Histing T. Photoacoustic imaging for the study of oxygen saturation and total hemoglobin in bone healing and non-union formation. PHOTOACOUSTICS 2022; 28:100409. [PMID: 36213763 PMCID: PMC9535319 DOI: 10.1016/j.pacs.2022.100409] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 08/14/2022] [Accepted: 09/25/2022] [Indexed: 06/16/2023]
Abstract
Non-union formation represents a major complication in trauma surgery. Adequate vascularization has been recognized as vital for bone healing. However, the role of vascularization in the pathophysiology of non-union formation remains elusive. This is due to difficulties in studying bone microcirculation in vivo. Therefore, we herein studied in a murine osteotomy model whether photoacoustic imaging may be used to analyze vascularization in bone healing and non-union formation. We found that oxygen saturation within the callus tissue is significantly lower in non-unions compared to unions and further declines over time. Moreover, the amount of total hemoglobin (HbT) within the callus tissue was markedly reduced in non-unions. Correlation analyses showed a strong positive correlation between microvessel density and HbT, indicating that photoacoustically determined HbT is a valid parameter to assess vascularization during bone healing. In summary, photoacoustic imaging is a promising approach to study vascular function and tissue oxygenation in bone regeneration.
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Affiliation(s)
- Maximilian M. Menger
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tübingen, BG Trauma Center Tübingen, 72076 Tübingen, Germany
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg, Saar, Germany
| | - Christina Körbel
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg, Saar, Germany
| | - David Bauer
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg, Saar, Germany
| | - Michelle Bleimehl
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg, Saar, Germany
| | - Anne L. Tobias
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg, Saar, Germany
| | - Benedikt J. Braun
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tübingen, BG Trauma Center Tübingen, 72076 Tübingen, Germany
| | - Steven C. Herath
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tübingen, BG Trauma Center Tübingen, 72076 Tübingen, Germany
| | - Mika F. Rollmann
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tübingen, BG Trauma Center Tübingen, 72076 Tübingen, Germany
| | - Matthias W. Laschke
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg, Saar, Germany
| | - Michael D. Menger
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg, Saar, Germany
| | - Tina Histing
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tübingen, BG Trauma Center Tübingen, 72076 Tübingen, Germany
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3
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Peng H, Weng L, Lei S, Hou S, Yang S, Li M, Zhao D. Hypoxia-hindered methylation of PTGIS in endometrial stromal cells accelerates endometriosis progression by inducing CD16 - NK-cell differentiation. Exp Mol Med 2022; 54:890-905. [PMID: 35781537 PMCID: PMC9356144 DOI: 10.1038/s12276-022-00793-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 03/23/2022] [Accepted: 04/11/2022] [Indexed: 11/15/2022] Open
Abstract
Prostacyclin (PGI2) plays key roles in shaping the immune microenvironment and modulating vasodilation, whereas its contribution to endometriosis (EMs) remains largely unclear. Our study suggested that prostacyclin synthase (PTGIS)-dependent PGI2 signaling was significantly activated in EMs, which was involved in the hypoxic microenvironment of ectopic lesions and deficient methylation status of the PTGIS promoter. Notably, in vitro assays, hypoxia promoted PTGIS expression through DNA methyltransferase 1 (DNMT1)-mediated DNA methylation deficiency in endometrial stromal cells (ESCs); PTGIS overexpression enhanced the adhesive ability of ESCs and led to elevated PGI2 production, and PGI2 triggered CD16− (encoded by FCGR3, Fc fragment of IgG receptor IIIa) natural killer (NK)-cell differentiation through PGI2 receptor (IP, PTGIR) in an ESC/NK-cell coculture system. Our rodent model experiment suggested that treatment with the PGI2 analog iloprost and adoptive transfer of fcgr3 knockout (fcgr3−/−) NK cells aggravated EMs progression and that genetic ablation of ptgis (ptgis−/−) in ectopic lesions and treatment with the PTGIR antagonist RO1138452 partially rescued this outcome. Thus, our findings identified the contribution of PGI2 to EMs progression via enhancement of the adhesive ability of ESCs and inhibition of the activity of NK cells. We hypothesized that PGI2 is a target for EMs intervention and provide a rationale for studying pharmacological PTGIR inhibition and PTGIS genetic depletion therapies as therapeutic strategies for EMs. Inhibiting the activity of a critical enzyme found overexpressed in endometriosis lesions could lead to novel therapeutics. Endometriosis affects around 10 per cent of women of reproductive age globally, yet the condition is poorly understood. Endometriosis lesions are known to be in a hypoxic, or low oxygen, state. Zhao Dong at Tongji University in Shanghai, China, and co-workers used human tissue samples and mouse models to determine the roles of a metabolite called prostacyclin (PGI2) and its catalytic enzyme (prostacyclin synthase, PTGIS) in endometriosis. PTGIS levels were significantly elevated in hypoxic endometrial cells, triggering the overproduction of PGI2. This PTGIS/PGI2 increase enhanced the adhesiveness of the cells, promoting survival of developing lesions. PGI2 overproduction also triggered abnormal differentiation of a specific group of immune cells called natural killer cells, disrupting the body’s immune response.
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Affiliation(s)
- Haiyan Peng
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Lichun Weng
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Shating Lei
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Shuhui Hou
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Shaoliang Yang
- Laboratory for Reproductive Immunology, Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, 200011, China.,Key Laboratory of Reproduction Regulation of NPFPC, SIPPR, IRD, Fudan University, Shanghai, 200032, China
| | - Mingqing Li
- Laboratory for Reproductive Immunology, Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, 200011, China.,Key Laboratory of Reproduction Regulation of NPFPC, SIPPR, IRD, Fudan University, Shanghai, 200032, China
| | - Dong Zhao
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, 200092, China. .,Department of Obstetrics and Gynecology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200011, China.
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4
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Jin Z, Zhang Y, Li J, Lv S, Zhang L, Feng Y. Endometriosis stem cell sources and potential therapeutic targets: literature review and bioinformatics analysis. Regen Med 2021; 16:949-962. [PMID: 34585967 DOI: 10.2217/rme-2021-0039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The stem cell origin theory of endometriosis (EMS) is a significant area of new research but the sources of this have yet to be adequately summarized. Existing treatments for EMS are commonly associated with a high recurrence rate; consequently, there is an urgent need to develop new therapeutic measures for the future treatment of this disease from the view of stem cells and gene therapy. Recently, we described the evidence for the potential sources of EMS stem cells and other key molecules participating in the establishment of lesions, and predict the miRNAs that target these key genes via bioinformatics analysis for further research. This review highlights the origin of EMS stem cells and potential therapy targets.
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Affiliation(s)
- Zhe Jin
- The Second Affiliated Hospital of Nanchang University, Jiangxi, 330006, China.,The Second Clinical Medical School of Nanchang University, Jiangxi, 330031, China
| | - Yize Zhang
- The Second Affiliated Hospital of Nanchang University, Jiangxi, 330006, China.,The Second Clinical Medical School of Nanchang University, Jiangxi, 330031, China
| | - Jingyi Li
- School of Public Health of Nanchang University, Jiangxi, 330031, China
| | - Sidi Lv
- The Second Affiliated Hospital of Nanchang University, Jiangxi, 330006, China.,The Second Clinical Medical School of Nanchang University, Jiangxi, 330031, China
| | - Lixia Zhang
- The First Hospital of Handan City, Hebei, 056004, China
| | - Ying Feng
- The Second Affiliated Hospital of Nanchang University, Jiangxi, 330006, China
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5
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Nenicu A, Yordanova K, Gu Y, Menger MD, Laschke MW. Differences in growth and vascularization of ectopic menstrual and non-menstrual endometrial tissue in mouse models of endometriosis. Hum Reprod 2021; 36:2202-2214. [PMID: 34109385 DOI: 10.1093/humrep/deab139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 03/29/2021] [Indexed: 11/12/2022] Open
Abstract
STUDY QUESTION Is there a difference in the growth and vascularization between murine endometriotic lesions originating from menstrual or non-menstrual endometrial fragments? SUMMARY ANSWER Endometriotic lesions developing from menstrual and non-menstrual tissue fragments share many similarities, but also exhibit distinct differences in growth and vascularization, particularly under exogenous estrogen stimulation. WHAT IS KNOWN ALREADY Mouse models are increasingly used in endometriosis research. For this purpose, menstrual or non-menstrual endometrial fragments serve for the induction of endometriotic lesions. So far, these two fragment types have never been directly compared under identical experimental conditions. STUDY DESIGN, SIZE, DURATION This was a prospective experimental study in a murine peritoneal and dorsal skinfold chamber model of endometriosis. Endometrial tissue fragments from menstruated (n = 15) and non-menstruated (n = 21) C57BL/6 mice were simultaneously transplanted into the peritoneal cavity or dorsal skinfold chamber of non-ovariectomized (non-ovx, n = 17), ovariectomized (ovx, n = 17) and ovariectomized, estrogen-substituted (ovx+E2, n = 17) recipient animals and analyzed throughout an observation period of 28 and 14 days, respectively. PARTICIPANTS/MATERIALS, SETTING, METHODS The engraftment, growth and vascularization of the newly developing endometriotic lesions were analyzed by means of high-resolution ultrasound imaging, intravital fluorescence microscopy, histology and immunohistochemistry. MAIN RESULTS AND THE ROLE OF CHANCE Menstrual and non-menstrual tissue fragments developed into peritoneal endometriotic lesions without differences in growth, microvessel density and cell proliferation in non-ovx mice. Lesion formation out of both fragment types was markedly suppressed in ovx mice. In case of non-menstrual tissue fragments, this effect could be reversed by estrogen supplementation. In contrast, endometriotic lesions originating from menstrual tissue fragments exhibited a significantly smaller volume in ovx+E2 mice, which may be due to a reduced hormone sensitivity. Moreover, menstrual tissue fragments showed a delayed vascularization and a reduced blood perfusion after transplantation into dorsal skinfold chambers when compared to non-menstrual tissue fragments, indicating different vascularization modes of the two fragment types. To limit the role of chance, the experiments were conducted under standardized laboratory conditions. Statistical significance was accepted for a value of P < 0.05. LARGE SCALE DATA N/A. LIMITATIONS, REASONS FOR CAUTION Endometriotic lesions were induced by syngeneic tissue transplantation into recipient mice without the use of pathological endometriotic tissue of human nature. Therefore, the results obtained in this study may not fully relate to human patients with endometriosis. WIDER IMPLICATIONS OF THE FINDINGS The present study significantly contributes to the characterization of common murine endometriosis models. These models represent important tools for studies focusing on the basic mechanisms of endometriosis and the development of novel therapeutic strategies for the treatment of this frequent gynecological disease. The presented findings indicate that the combination of different experimental models and approaches may be the most appropriate strategy to study the pathophysiology and drug sensitivity of a complex disease such as endometriosis under preclinical conditions. STUDY FUNDING/COMPETING INTEREST(S) There was no specific funding of this study. The authors have no conflicts of interest to declare.
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Affiliation(s)
- A Nenicu
- Institute for Clinical and Experimental Surgery, Saarland University, Homburg/Saar, Germany
| | - K Yordanova
- Institute for Clinical and Experimental Surgery, Saarland University, Homburg/Saar, Germany
| | - Y Gu
- Institute for Clinical and Experimental Surgery, Saarland University, Homburg/Saar, Germany
| | - M D Menger
- Institute for Clinical and Experimental Surgery, Saarland University, Homburg/Saar, Germany
| | - M W Laschke
- Institute for Clinical and Experimental Surgery, Saarland University, Homburg/Saar, Germany
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6
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Rudzitis-Auth J, Christoffel A, Menger MD, Laschke MW. Targeting sphingosine kinase-1 with the low MW inhibitor SKI-5C suppresses the development of endometriotic lesions in mice. Br J Pharmacol 2021; 178:4104-4118. [PMID: 34185874 DOI: 10.1111/bph.15601] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 05/17/2021] [Accepted: 06/08/2021] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND AND PURPOSE Limited evidence suggests that the sphingosine-1-phosphate/sphingosine kinase 1 (S1P/SPHK1) signalling pathway is involved in the pathogenesis of endometriosis. Therefore, we analyzed in this study whether the inhibition of SPHK1 and, consequently, decreased levels of S1P affected the vascularization and growth of endometriotic lesions. EXPERIMENTAL APPROACH Endometriotic lesions were surgically induced in the peritoneal cavity and the dorsal skinfold chamber of female BALB/c mice. The animals received a daily dose of the SPHK1 inhibitor SKI-5C or vehicle (control). Analyses involved the determination of lesion growth, cyst formation, microvessel density and cell proliferation within peritoneal endometriotic lesions by means of high-resolution ultrasound imaging, caliper measurement, histology and immunohistochemistry. In the dorsal skinfold chamber model the development of newly formed microvascular networks and their microhemodynamic parameters within endometriotic lesions were investigated by means of intravital fluorescence microscopy. KEY RESULTS SKI-5C significantly inhibited the development and vascularization of peritoneal endometriotic lesions, as indicated by a reduced growth and cyst formation, a lower microvessel density and a suppressed cell proliferation, when compared to vehicle-treated controls. Endometriotic lesions in dorsal skinfold chambers of SKI-5C-treated animals exhibited a significantly smaller lesion size, lower functional microvessel density, smaller microvessel diameters and a reduced blood perfusion of the newly developing microvascular networks. CONCLUSIONS AND IMPLICATIONS SPHK1/S1P signalling promotes the establishment and progression of endometriotic lesions. The inhibition of this pathway suppresses the development of endometriotic lesions, suggesting SPHK1 as a potential novel target for future endometriosis therapy.
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Affiliation(s)
| | - Anika Christoffel
- Institute for Clinical & Experimental Surgery, Saarland University, Homburg/Saar, Germany
| | - Michael D Menger
- Institute for Clinical & Experimental Surgery, Saarland University, Homburg/Saar, Germany
| | - Matthias W Laschke
- Institute for Clinical & Experimental Surgery, Saarland University, Homburg/Saar, Germany
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7
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Gnecco JS, Ding T, Smith C, Lu J, Bruner-Tran KL, Osteen KG. Hemodynamic forces enhance decidualization via endothelial-derived prostaglandin E2 and prostacyclin in a microfluidic model of the human endometrium. Hum Reprod 2020; 34:702-714. [PMID: 30789661 PMCID: PMC6443116 DOI: 10.1093/humrep/dez003] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 12/19/2018] [Indexed: 01/04/2023] Open
Abstract
STUDY QUESTION Does the uterine vasculature play a localized role in promoting stromal cell decidualization in the human endometrium? SUMMARY ANSWER Our study demonstrated that hemodynamic forces induced secretion of specific endothelial cell-derived prostanoids that enhanced endometrial perivascular decidualization via a paracrine mechanism. WHAT IS KNOWN ALREADY Differentiation of stromal cell fibroblasts into the specialized decidua of the placenta is a progesterone-dependent process; however, histologically, it has long been noted that the first morphological signs of decidualization appear in the perivascular stroma. These observations suggest that the human endometrial vasculature plays an active role in promoting stromal differentiation. STUDY DESIGN, SIZE, DURATION Primary human endometrial stromal cells were co-cultured for 14 days with primary uterine microvascular endothelial cells within a microfluidic Organ-on-Chip model of the endometrium. PARTICIPANTS/MATERIALS, SETTING, METHODS Cultures were maintained with estradiol and a progestin, with or without continuous laminar perfusion to mimic hemodynamic forces derived from the blood flow. Some cultures additionally received exogenous agonist-mediated challenges. Decidualization in the microfluidic model was assessed morphologically and biochemically. ELISA was used to examine the culture effluent for expression of decidualization markers and prostaglandins. Immunofluorescence was used to monitor cyclooxygenase-2 expression in association with decidualization. MAIN RESULTS AND THE ROLE OF CHANCE A significantly enhanced stromal decidualization response was observed in the co-cultures when the endothelial cells were stimulated with hemodynamic forces (e.g. laminar shear stress) derived from controlled microfluidic perfusion (<0.001). Furthermore, the enhanced progestin-driven stromal differentiation was mediated via cyclooxygenase-2 and the paracrine action of prostaglandin E2 and prostacyclin. Altogether, these translational findings indicate that the vascular endothelium plays a key physiologic role during the early events of perivascular decidualization in the human endometrium. LARGE SCALE DATA N/A. LIMITATIONS, REASONS FOR CAUTION This report is largely an in vitro study. Although we were able to experimentally mimic hemodynamic forces in our microfluidic model, we have not yet determined the contribution of additional cell types to the decidualization process or determined the precise physiological rates of shear stress that the microvasculature of the endometrium undergoes in vivo. WIDER IMPLICATIONS OF THE FINDINGS Identification of specific endothelial-derived prostaglandins and their role during endometrial reproductive processes may have clinical utility as therapeutic targets for reproductive disorders such as infertility, endometriosis, adenomyosis, pre-eclampsia and poor pregnancy outcomes. STUDY FUNDING/COMPETING INTEREST(S) This work was supported by the Veterans Affairs (I01 BX002853), the Bill and Melinda Gates Foundation Grand Challenges Exploration (OPP1159411), the Environmental Toxicology Training Grant (NIH T32 ES007028) and the Environmental Protection Agency STAR Center Grant (83573601). CONFLICT OF INTEREST The authors report no conflicts of interest. TRIAL REGISTRATION NUMBER N/A.
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Affiliation(s)
- Juan S Gnecco
- Women's Reproductive Health Research Center, Vanderbilt University Medical Center, Nashville, TN, USA.,Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA.,Lead Contact
| | - Tianbing Ding
- Women's Reproductive Health Research Center, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Caroline Smith
- Women's Reproductive Health Research Center, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Jacky Lu
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Kaylon L Bruner-Tran
- Women's Reproductive Health Research Center, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Kevin G Osteen
- Women's Reproductive Health Research Center, Vanderbilt University Medical Center, Nashville, TN, USA.,Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA.,Veteran Affairs Tennessee Valley Healthcare System, Nashville TN, USA
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8
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Abstract
Supplemental Digital Content is available in the text Objective: Endometriosis is a common gynecologic disease that frequently leading to chronic pelvic pain, severe dysmenorrhea, and subfertility. As first-line hormonal treatment can interfere with ovulation and may cause recurrent pelvic pain, exploration of new non-hormonal therapeutic approaches becomes increasingly necessary. This review aimed to evaluate the pre-clinical and clinical efficacy and safety of non-hormonal treatment for endometriosis Data sources: Databases including PubMed, Embase, Cochrane Library, SINOMED, ClinicalTrials.gov, and Google Scholar were searched up to October 2019, using search terms “endometriosis” and “non-hormonal therapy.” Study selection: Twenty-four articles were reviewed for analysis, including nine animal studies and 15 human trials; all were published in English. Results: Twenty-four articles were identified, including 15 human trials with 861 patients and nine animal studies. Some agents have been evaluated clinically with significant efficacy in endometriosis-related pelvic pain and subfertility, such as rofecoxib, etanercept, pentoxifylline, N-palmitoylethanolamine, resveratrol, everolimus, cabergoline (Cb2), and simvastatin. Other drugs with similar pharmacological properties, like parecoxib, celecoxib, endostatin, rapamycin, quinagolide, and atorvastatin, have only been tested in animal studies. Conclusions: Clinical data about most of the non-hormonal agents are not sufficient to support them as options for replacement therapy for endometriosis. In spite of this, a few drugs like pentoxifylline showed strong potential for real clinical application.
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Rudzitis-Auth J, Fuß SA, Becker V, Menger MD, Laschke MW. Inhibition of erythropoietin-producing hepatoma receptor B4 (EphB4) signalling suppresses the vascularisation and growth of endometriotic lesions. Br J Pharmacol 2020; 177:3225-3239. [PMID: 32144768 DOI: 10.1111/bph.15044] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 02/27/2020] [Accepted: 02/27/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND AND PURPOSE The development of endometriotic lesions is crucially dependent on the formation of new blood vessels. In the present study, we analysed whether this process is regulated by erythropoietin-producing hepatoma receptor B4 (EphB4) signalling. EXPERIMENTAL APPROACH We first assessed the anti-angiogenic action of the EphB4 inhibitor NVP-BHG712 in different in vitro angiogenesis assays. Then, endometriotic lesions were surgically induced in the dorsal skinfold chamber and peritoneal cavity of NVP-BHG712- or vehicle-treated BALB/c mice. This allowed to study the effect of EphB4 inhibition on their vascularisation and growth by means of intravital fluorescence microscopy, high-resolution ultrasound imaging, histology and immunohistochemistry. KEY RESULTS Non-cytotoxic doses of NVP-BHG712 suppressed the migration, tube formation and sprouting activity of both human dermal microvascular endothelial cells (HDMEC) and mouse aortic rings. Accordingly, we also detected a lower blood vessel density in NVP-BHG712-treated endometriotic lesions. This was associated with a reduced lesion growth due to a significantly lower number of proliferating stromal cells when compared to vehicle-treated controls. CONCLUSIONS AND IMPLICATIONS Inhibition of EphB4 signalling suppresses the vascularisation and growth of endometriotic lesions. Hence, EphB4 represents a promising pharmacological target for the treatment of endometriosis.
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Affiliation(s)
| | - Sophia A Fuß
- Institute for Clinical and Experimental Surgery, Saarland University, Homburg/Saar, Germany
| | - Vivien Becker
- Institute for Clinical and Experimental Surgery, Saarland University, Homburg/Saar, Germany
| | - Michael D Menger
- Institute for Clinical and Experimental Surgery, Saarland University, Homburg/Saar, Germany
| | - Matthias W Laschke
- Institute for Clinical and Experimental Surgery, Saarland University, Homburg/Saar, Germany
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10
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Yusof MFH, Hashim SNM, Zahari W, Chandra H, Noordin KBAA, Kannan TP, Hamid SSA, Mokhtar KI, Azlina A. Amniotic Membrane Enhance the Effect of Vascular Endothelial Growth Factor on the Angiogenic Marker Expression of Stem Cells from Human Exfoliated Deciduous Teeth. Appl Biochem Biotechnol 2020; 191:177-190. [PMID: 32096060 DOI: 10.1007/s12010-020-03266-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 02/13/2020] [Indexed: 12/11/2022]
Abstract
Previously, it was reported that human amniotic membrane (AM) induced stem cells from human deciduous exfoliated teeth (SHED) endothelial-like-cell differentiation. This interesting effect of AM matrix on SHED demands further elucidation. Objective of this in vitro work was to study the effect of 24-h VEGF induced on SHED endothelial differentiation when seeded on acellular stromal side (SS) of AM matrix. Stemness of SHED was identified by flow cytometry. Cell attachment and morphological changes towards the matrix was observed by scanning electron microscopy. Protein expression of endothelial marker was examined by Western blot. The expression of stem cells and endothelial-specific gene markers of VEGF-induced SHED cultured on human AM was inspected via reverse transcriptase-polymerase chain reaction. Results showed SHED at both passages retain stemness property. Ang-1 protein was expressed in SHED. Cells treated with VEGF and cultured on AM transformed attached well to AM. VEGF-induced SHED expressed both stem cell and endothelial-specific markers throughout the treatments and timeline. Interestingly, prolonged VEGF treatment increased the expression of Cox-2 and VE-Cadherin genes in all treated groups when compared to SHED. It was concluded that the VEGF-induced SHED showed better expression of endothelial-specific markers when cultured on SS of AM, with prolonged VEGF treatment.
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Affiliation(s)
- Muhammad Fuad Hilmi Yusof
- School of Dental Sciences, Universiti Sains Malaysia, Health Campus, 16150, Kubang Kerian, Kelantan, Malaysia
| | - Siti Nurnasihah Md Hashim
- School of Dental Sciences, Universiti Sains Malaysia, Health Campus, 16150, Kubang Kerian, Kelantan, Malaysia
| | - Wafa' Zahari
- School of Dental Sciences, Universiti Sains Malaysia, Health Campus, 16150, Kubang Kerian, Kelantan, Malaysia
| | - Hamshawagini Chandra
- School of Dental Sciences, Universiti Sains Malaysia, Health Campus, 16150, Kubang Kerian, Kelantan, Malaysia
| | | | - Thirumulu Ponnuraj Kannan
- School of Dental Sciences, Universiti Sains Malaysia, Health Campus, 16150, Kubang Kerian, Kelantan, Malaysia
- Human Genome Centre, School of Medical Sciences, Universiti Sains Malaysia, Health Campus, 16150, Kubang Kerian, Kelantan, Malaysia
| | - Suzina Sheikh Abdul Hamid
- Tissue Bank, School of Medical Sciences, Universiti Sains Malaysia, Health Campus, 16150, Kubang Kerian, Kelantan, Malaysia
| | - Khairani Idah Mokhtar
- Kulliyyah of Dentistry, International Islamic University Malaysia, 25200, Kuantan, Pahang, Malaysia
| | - Ahmad Azlina
- School of Dental Sciences, Universiti Sains Malaysia, Health Campus, 16150, Kubang Kerian, Kelantan, Malaysia.
- Human Genome Centre, School of Medical Sciences, Universiti Sains Malaysia, Health Campus, 16150, Kubang Kerian, Kelantan, Malaysia.
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Edwards N, Langford-Smith AWW, Wilkinson FL, Alexander MY. Endothelial Progenitor Cells: New Targets for Therapeutics for Inflammatory Conditions With High Cardiovascular Risk. Front Med (Lausanne) 2018; 5:200. [PMID: 30042945 PMCID: PMC6048266 DOI: 10.3389/fmed.2018.00200] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 06/21/2018] [Indexed: 12/12/2022] Open
Abstract
Over the past decade, we have witnessed an exponential growth of interest into the role of endothelial progenitor cells (EPCs) in cardiovascular disease. While the major thinking revolves around EPC angiogenic repair properties, we have used a hypothesis-driven approach to discover disease-related defects in their characteristics and based on these findings, have identified opportunities for functional enhancement, which offer an exciting avenue for translation into clinical intervention. In this review, we focus on two groups; circulating myeloid angiogenic cells (MACs) and late outgrowth endothelial colony forming cells (ECFCs), and will discuss the unique properties and defects of each population, as new insights have been gained into the potential function of each sub-type using current techniques and multiomic technology. We will discuss their role in inflammatory disorders and alterations in mitochondrial function. In addition, we share key insights into the glycocalyx, and propose this network of membrane-bound proteoglycans and glycoproteins, covering the endothelium warrants further investigation in order to clarify its significance in ECFC regulation of vascularization and angiogenesis and ultimately for potential translational therapeutic aspects.
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Affiliation(s)
- Nicola Edwards
- Cardiovascular Science, Centre for Bioscience, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, United Kingdom
| | - Alexander W W Langford-Smith
- Cardiovascular Science, Centre for Bioscience, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, United Kingdom
| | - Fiona L Wilkinson
- Cardiovascular Science, Centre for Bioscience, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, United Kingdom
| | - M Yvonne Alexander
- Cardiovascular Science, Centre for Bioscience, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, United Kingdom.,Manchester Academic Health Science Centre, Manchester, United Kingdom
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