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Donnez J, Stratopoulou CA, Dolmans MM. Endometriosis and adenomyosis: Similarities and differences. Best Pract Res Clin Obstet Gynaecol 2024; 92:102432. [PMID: 38103509 DOI: 10.1016/j.bpobgyn.2023.102432] [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: 10/12/2023] [Accepted: 10/25/2023] [Indexed: 12/19/2023]
Abstract
Deep endometriosis and uterine adenomyosis are two frequently encountered conditions affecting approximately 200 million women worldwide. They are closely related, showing similar histological patterns and multiple common pathogenic features, and share the same symptoms. It is therefore not surprising that they are often thought to have a common developmental origin. Indeed, both deep endometriosis and adenomyosis appear to derive from estrogen-dependent overproliferation of endometrial tissue and its subsequent implantation in ectopic sites. Although the scientific community has shown increasing interest in these diseases over recent years, neither pathogenesis has yet been elucidated, so there are currently no efficient treatment options. Understanding the mechanisms underlying disease development, as well as discerning their relationship, are key to improving clinical management for millions of patients. The aims of this review are to summarize current knowledge on deep endometriosis and adenomyosis pathogeneses and discuss the possibility that these two entities are actually differential phenotypes of the same disease.
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Affiliation(s)
- Jacques Donnez
- Prof Emeritus, Université Catholique de Louvain, Belgium; Society for Research into Infertility (SRI), 143 Avenue Grandchamp, 1150, Brussels, Belgium.
| | - Christina Anna Stratopoulou
- Pôle de Recherche en Gynécologie, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain (UCL), Brussels, Belgium
| | - Marie-Madeleine Dolmans
- Pôle de Recherche en Gynécologie, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain (UCL), Brussels, Belgium; Gynecology Department, Cliniques Universitaires Saint-Luc, Brussels, Belgium
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Palacios-Luna JE, López-Marrufo MV, Bautista-Bautista G, Velarde-Guerra CS, Villeda-Gabriel G, Flores-Herrera O, Osorio-Caballero M, Aguilar-Carrasco JC, Palafox-Vargas ML, García-López G, Díaz-Ruíz O, Arechavaleta-Velasco F, Flores-Herrera H. Progesterone modulates extracellular heat-shock proteins and interlukin-1β in human choriodecidual after Escherichia coli infection. Placenta 2023; 142:85-94. [PMID: 37659254 DOI: 10.1016/j.placenta.2023.08.074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 08/25/2023] [Accepted: 08/27/2023] [Indexed: 09/04/2023]
Abstract
INTRODUCTION Chorioamnionitis is an adverse condition in human pregnancy caused by many bacterial pathogens including Escherichia coli (E. coli); which has been associated with higher risk of preterm birth. We recently reported that human maternal decidua (MDec) tissue responds to E. coli infection by secreting extracellular heat-shock proteins (eHsp)-60, -70 and interlukin-1β (IL-1β). Previous studies have shown that progesterone (P4) regulates the immune response, but it is unknown whether P4 inhibits the secretion of eHsp. The aim of this investigation was to determine the role of P4 on the secretion of eHsp-27, -60, -70 and IL-1β in MDec after 3, 6, and 24 h of E. coli infection. METHODS Nine human feto-maternal interface (HFMi) tissues were included and mounted in the Transwell culture system. Only the maternal decidua (MDec) was stimulated for 3, 6 and 24 h with E. coli alone or in combination with progesterone and RU486. After each treatment, the HFMi tissue was recovered to determine histological changes and the culture medium recovered to evaluate the levels of eHsp-27, -60, -70 and IL-1β by ELISA and mRNA expression by RT-PCR. RESULTS No structural changes were observed in the HFMi tissue treated with P4 and RU486. However, stimulation with E. coli produces diffuse inflammation and ischemic necrosis. E. coli induced infection decreases, in time- and dose-dependent manner, eHsp-27 and increases eHsp-60, eHsp-70 and IL-1β levels. In contrast, incubation of HFMi tissue with E. coli + P4 reversed eHsp and IL-1β secretion levels relative to E. coli stimulation group but not relative to the control group. The same profile was observed on the expression of eHsp-27 and eHsp-60. DISCUSSION we found that progesterone modulates the anti-inflammatory (eHsp-27) and pro-inflammatory (eHsp-60 and eHsp-70) levels of eHsp induced by E. coli infection in human choriodecidual tissue. eHsp-60 and eHsp-70 levels were not completely reversed; maintaining the secretion of IL-1β, which has been associated with adverse events during pregnancy.
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Affiliation(s)
- Janelly Estefania Palacios-Luna
- Departamento de Inmunobioquímica. Instituto Nacional de Perinatología "Isidro Espinosa de Los Reyes" (INPerIER), Ciudad de México, Mexico
| | - Mariana Victoria López-Marrufo
- Departamento de Ginecología y Obstetricia. Instituto Nacional de Perinatología "Isidro Espinosa de Los Reyes" (INPerIER), Ciudad de México, Mexico
| | - Gerardo Bautista-Bautista
- Departamento de Inmunobioquímica. Instituto Nacional de Perinatología "Isidro Espinosa de Los Reyes" (INPerIER), Ciudad de México, Mexico
| | - Cinthia Selene Velarde-Guerra
- Departamento de Inmunobioquímica. Instituto Nacional de Perinatología "Isidro Espinosa de Los Reyes" (INPerIER), Ciudad de México, Mexico
| | - Graciela Villeda-Gabriel
- Departamento de Inmunología e Infectología, Instituto Nacional de Perinatología "Isidro Espinosa de Los Reyes" (INPerIER), Ciudad de México, Mexico
| | - Oscar Flores-Herrera
- Departamento de Bioquímica, Facultad de Medicina. Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Mauricio Osorio-Caballero
- Departamento de Salud Sexual y Reproductiva. Instituto Nacional de Perinatología "Isidro Espinosa de Los Reyes" (INPerIER), Ciudad de México, Mexico
| | - Jose Carlos Aguilar-Carrasco
- Departamento de Fisiología y Desarrollo Celular, Instituto Nacional de Perinatología "Isidro Espinosa de Los Reyes" (INPerIER), Ciudad de México. Mexico
| | - Martha Leticia Palafox-Vargas
- Departamento de Anatomía Patológica. Instituto Nacional de Perinatología "Isidro Espinosa de Los Reyes" (INPerIER), Ciudad de México, Mexico
| | - Guadalupe García-López
- Departamento de Fisiología y Desarrollo Celular, Instituto Nacional de Perinatología "Isidro Espinosa de Los Reyes" (INPerIER), Ciudad de México. Mexico
| | - Oscar Díaz-Ruíz
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Fabián Arechavaleta-Velasco
- Unidad de Investigación en Medicina Reproductiva. Hospital de Gineco-Obstetricia No. 4 "Luis Castelazo Ayala" Instituto Mexicano Del Seguro Social, Ciudad de México. Mexico.
| | - Hector Flores-Herrera
- Departamento de Inmunobioquímica. Instituto Nacional de Perinatología "Isidro Espinosa de Los Reyes" (INPerIER), Ciudad de México, Mexico.
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d'Argent M, Stratopoulou CA, Cussac S, Camboni A, Jadoul P, Donnez J, Dolmans MM. Are lower levels of apoptosis and autophagy behind adenomyotic lesion survival? Reprod Biomed Online 2023; 47:103248. [PMID: 37451972 DOI: 10.1016/j.rbmo.2023.06.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 04/04/2023] [Accepted: 06/12/2023] [Indexed: 07/18/2023]
Abstract
RESEARCH QUESTION How are markers of cell death, invasiveness and progesterone signalling expressed in endometrium and ectopic lesions from adenomyosis patients? DESIGN Formalin-fixed paraffin-embedded tissue was collected from 15 control and 15 adenomyosis participants . To assess cell survival capacity, caspase 3 and microtubule-associated proteins 1A/1B light chain 3B (LC3B) were immunolabelled as markers of apoptosis and autophagy respectively. Matrix metalloproteinase 9 (MMP9) expression served as a marker of extracellular matrix degradation and invasion activity. Progesterone receptors were immunostained to detect evidence of progesterone resistance. RESULTS Caspase 3 expression was significantly lower in the stromal (P = 0.0013) and epithelial (P = 0.0157) compartments of adenomyotic lesions than in healthy endometrial tissue. In the stroma, caspase 3 expression was significantly weaker in lesions than in corresponding eutopic endometrium (P = 0.0006). LC3B immunostaining was significantly decreased in adenomyotic stroma compared with corresponding eutopic endometrium (P = 0.0349). A significantly higher expression of MMP9 was detected in eutopic stroma from adenomyosis patients than in healthy tissue (P = 0.0295). Progesterone receptor immunostaining was found to be significantly weaker in the stroma of endometrium and ectopic lesions from adenomyosis patients than disease-free women (P = 0.0001; P = 0.0021). CONCLUSIONS Adenomyotic lesions show lower levels of apoptosis and autophagy, suggesting that aberrant cell survival may be involved in disease pathogenesis. MMP9 appears to contribute to endometrial invasiveness in adenomyosis, as its expression is more pronounced in endometrium from these women than women without the disease. Evidence of progesterone resistance can be found in endometrium and ectopic lesions from adenomyosis patients, and may drive disease development and account for the failure of certain patients to respond to progestogens.
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Affiliation(s)
- Marie d'Argent
- Pôle de Recherche en Gynécologie, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium
| | - Christina Anna Stratopoulou
- Pôle de Recherche en Gynécologie, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium
| | - Sophie Cussac
- Pôle de Recherche en Gynécologie, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium
| | - Alessandra Camboni
- Pôle de Recherche en Gynécologie, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium; Anatomopathology Department, Cliniques Universitaires Saint-Luc, Brussels, Belgium
| | - Pascale Jadoul
- Gynecology Department, Cliniques Universitaires Saint-Luc, Brussels, Belgium
| | - Jacques Donnez
- Société de Recherche pour l'Infertilité, Brussels, Belgium; Université Catholique de Louvain, Brussels, Belgium
| | - Marie-Madeleine Dolmans
- Pôle de Recherche en Gynécologie, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium; Gynecology Department, Cliniques Universitaires Saint-Luc, Brussels, Belgium.
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Shih AJ, Adelson RP, Vashistha H, Khalili H, Nayyar A, Puran R, Herrera R, Chatterjee PK, Lee AT, Truskinovsky AM, Elmaliki K, DeFranco M, Metz CN, Gregersen PK. Single-cell analysis of menstrual endometrial tissues defines phenotypes associated with endometriosis. BMC Med 2022; 20:315. [PMID: 36104692 PMCID: PMC9476391 DOI: 10.1186/s12916-022-02500-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 07/27/2022] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Endometriosis is a common, complex disorder which is underrecognized and subject to prolonged delays in diagnosis. It is accompanied by significant changes in the eutopic endometrial lining. METHODS We have undertaken the first single-cell RNA-sequencing (scRNA-Seq) comparison of endometrial tissues in freshly collected menstrual effluent (ME) from 33 subjects, including confirmed endometriosis patients (cases) and controls as well as symptomatic subjects (who have chronic symptoms suggestive of endometriosis but have not been diagnosed). RESULTS We identify a unique subcluster of proliferating uterine natural killer (uNK) cells in ME-tissues from controls that is almost absent from endometriosis cases, along with a striking reduction of total uNK cells in the ME of cases (p < 10-16). In addition, an IGFBP1+ decidualized subset of endometrial stromal cells are abundant in the shed endometrium of controls when compared to cases (p < 10-16) confirming findings of compromised decidualization of cultured stromal cells from cases. By contrast, endometrial stromal cells from cases are enriched in cells expressing pro-inflammatory and senescent phenotypes. An enrichment of B cells in the cases (p = 5.8 × 10-6) raises the possibility that some may have chronic endometritis, a disorder which predisposes to endometriosis. CONCLUSIONS We propose that characterization of endometrial tissues in ME will provide an effective screening tool for identifying endometriosis in patients with chronic symptoms suggestive of this disorder. This constitutes a major advance, since delayed diagnosis for many years is a major clinical problem in the evaluation of these patients. Comprehensive analysis of ME is expected to lead to new diagnostic and therapeutic approaches to endometriosis and other associated reproductive disorders such as female infertility.
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Affiliation(s)
- Andrew J Shih
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Robert P Adelson
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Himanshu Vashistha
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Houman Khalili
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Ashima Nayyar
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Radha Puran
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Rixsi Herrera
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Prodyot K Chatterjee
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Annette T Lee
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
- Donald and Barbara Zucker School of Medicine, 500 Hofstra Blvd, Hempstead, NY, USA
| | - Alexander M Truskinovsky
- Donald and Barbara Zucker School of Medicine, 500 Hofstra Blvd, Hempstead, NY, USA
- Department of Pathology, North Shore University Hospital, Northwell Health, 300 Community Drive, Manhasset, NY, USA
| | - Kristine Elmaliki
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Margaret DeFranco
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Christine N Metz
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA.
- Donald and Barbara Zucker School of Medicine, 500 Hofstra Blvd, Hempstead, NY, USA.
| | - Peter K Gregersen
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA.
- Donald and Barbara Zucker School of Medicine, 500 Hofstra Blvd, Hempstead, NY, USA.
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Salas A, Vázquez P, Bello AR, Báez D, Almeida TA. Dual agonist-antagonist effect of ulipristal acetate in human endometrium and myometrium. Expert Rev Mol Diagn 2021; 21:851-857. [PMID: 34110938 DOI: 10.1080/14737159.2021.1941878] [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: 10/21/2022]
Abstract
The aim of this study was to assess the molecular effect of ulipristal acetate (UPA) on gene expression in myometrium and endometrium of patients with symptomatic fibroids. Tissues isolated from four women treated preoperatively with UPA (5 mg) were compared to those from untreated controls using NanoString platform to assess the expression of 75 candidate genes modulated by UPA and ovarian steroids. Deregulated genes were then validated by real-time PCR. In myometrium, UPA exerted an antagonistic effect similar to that observed in fibroids. In UPA-treated endometrium, six genes were identified as highly and significantly upregulated, including matricellular genes CCN1 (54-fold, P = 0.0018) and CCN2 (11-fold, P = 0.00044), Krüppel-like factor 4 (>3-fold, P = 0.0036), and mast cell markers including tryptases TPSAB1/TPSB2 (31-fold, P = 0.023) and carboxypeptidase A (CPA3, 17-fold, P = 0.05). In endometrium, UPA induced the expression of genes involved in fibrogenesis and mast cell function-some of them being widely involved in hepatic injury, which could explain the marked fibrosis and inflammatory cell infiltration observed in explanted livers from patients under UPA treatment.
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Affiliation(s)
- Ana Salas
- Departamento de Bioquímica, Microbiología, Biología Celular Y Genética, Universidad de La Laguna. Facultad De Ciencias. Sección de Biología, Tenerife, Spain.,Instituto de Enfermedades Tropicales y Salud Pública de Canarias (IUETSPC). Avda. Astrofísico Fco. Sánchez S/n. 38200. San Cristóbal de La Laguna, Tenerife, Spain
| | - Paula Vázquez
- Departamento de Bioquímica, Microbiología, Biología Celular Y Genética, Universidad de La Laguna. Facultad De Ciencias. Sección de Biología, Tenerife, Spain
| | - Aixa R Bello
- Departamento de Bioquímica, Microbiología, Biología Celular Y Genética, Universidad de La Laguna. Facultad De Ciencias. Sección de Biología, Tenerife, Spain.,Instituto de Enfermedades Tropicales y Salud Pública de Canarias (IUETSPC). Avda. Astrofísico Fco. Sánchez S/n. 38200. San Cristóbal de La Laguna, Tenerife, Spain
| | - Delia Báez
- Departamento de Obstetricia y Ginecología, Facultad de Ciencias de La Salud, Universidad de La Laguna, Campus de Ofra S/n, Tenerife, Spain
| | - Teresa A Almeida
- Departamento de Bioquímica, Microbiología, Biología Celular Y Genética, Universidad de La Laguna. Facultad De Ciencias. Sección de Biología, Tenerife, Spain.,Instituto de Enfermedades Tropicales y Salud Pública de Canarias (IUETSPC). Avda. Astrofísico Fco. Sánchez S/n. 38200. San Cristóbal de La Laguna, Tenerife, Spain
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Fitzgerald HC, Schust DJ, Spencer TE. In vitro models of the human endometrium: evolution and application for women's health. Biol Reprod 2020; 104:282-293. [PMID: 33009568 DOI: 10.1093/biolre/ioaa183] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/25/2020] [Indexed: 12/18/2022] Open
Abstract
The endometrium is the inner lining of the uterus that undergoes complex regeneration and differentiation during the human menstrual cycle. The process of endometrial shedding, regeneration, and differentiation is driven by ovarian steroid hormones and prepares the endometrium and intrauterine environment for embryo implantation and pregnancy establishment. Endometrial glands and their secretions are essential for pregnancy establishment, and cross talk between the glandular epithelium and stromal cells appears vital for decidualization and placental development. Despite being crucial, the biology of the human endometrium during pregnancy establishment and most of pregnancy is incomplete, given the ethical and practical limitations of obtaining and studying endometrium from pregnant women. As such, in vitro models of the human endometrium are required to fill significant gaps in understanding endometrial biology. This review is focused on the evolution and development of in vitro three-dimensional models of the human endometrium and provides insight into the challenges and promises of those models to improve women's reproductive health.
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Affiliation(s)
| | - Danny J Schust
- Division of Obstetrics, Gynecology and Women's Health, University of Missouri, Columbia, MO, USA
| | - Thomas E Spencer
- Division of Animal Sciences, University of Missouri, Columbia, MO, USA.,Division of Obstetrics, Gynecology and Women's Health, University of Missouri, Columbia, MO, USA
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Yang Y, Ye J, Ng TK, Wu N, Sun X, Chen Y, Chen Y. Changes in corneal biomechanics during pregnancy in Chinese healthy female. Eur J Ophthalmol 2020; 31:361-366. [PMID: 31983220 DOI: 10.1177/1120672120902034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE To evaluate the changes of corneal biomechanics and the intraocular pressure during pregnancy in a Chinese healthy female population. METHODS A total of 222 unrelated Chinese females were recruited: 52 non-pregnant, 15 pregnant in the first trimester, 68 pregnant in the second trimester, and 87 pregnant in the third trimester. The intraocular pressure and corneal biomechanical parameters, including corneal-compensated intraocular pressure, Goldmann-correlated intraocular pressure, corneal hysteresis, and corneal resistance factor, were measured by an Ocular Response Analyzer G3. Central corneal thickness was measured by Lenstar (LS900). RESULTS Corneal hysteresis and corneal resistance factor were significantly higher in pregnant women at the second and third trimesters. Corneal-compensated intraocular pressure was lower in women at the third trimester of pregnancy (p = 0.023), but the difference became insignificant after adjustment for corneal hysteresis. Central corneal thickness was marginally higher in pregnant women than non-pregnant women (p = 0.032). There was a negative correlation between corneal-compensated intraocular pressure and corneal hysteresis (r = -0.337, p < 0.001) and a positive correlation between central corneal thickness and corneal hysteresis (r = 0.711, p < 0.0001). After adjustment for corneal-compensated intraocular pressure, corneal hysteresis remained significantly higher in the second and third trimesters of pregnant women than non-pregnant women (p = 0.031, p = 0.005). CONCLUSION This study revealed a significant increase in corneal hysteresis and corneal resistance factor in the second and third trimesters. The increase of corneal hysteresis was independent of corneal-compensated intraocular pressure, indicating pregnant females have unique characteristics in corneal-compensated intraocular pressure and corneal biomechanical properties that may be related to glaucoma and corneal ectatic diseases in pregnancy.
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Affiliation(s)
- Yaping Yang
- Department of Ophthalmology and Visual Science, Eye and ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China.,Key Laboratory of Myopia, Ministry of Health, Shanghai, China.,Key Laboratory of Visual Impairment and Restoration, Shanghai, China
| | - Jun Ye
- Department of Obstetrics and Gynecology, The Fifth People's Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Tsz Kin Ng
- Joint Shantou International Eye Center of Shantou University and The Chinese University of Hong Kong, Shantou, China.,Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong
| | - Na Wu
- Department of Ophthalmology and Visual Science, Eye and ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China.,Key Laboratory of Myopia, Ministry of Health, Shanghai, China.,Key Laboratory of Visual Impairment and Restoration, Shanghai, China
| | - Xinghuai Sun
- Department of Ophthalmology and Visual Science, Eye and ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China.,Key Laboratory of Myopia, Ministry of Health, Shanghai, China.,Key Laboratory of Visual Impairment and Restoration, Shanghai, China.,State Key Laboratory of Medical Neurobiology, Institutes of Brain Science and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai, China
| | - Yaping Chen
- Department of Obstetrics and Gynecology, The Fifth People's Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Yuhong Chen
- Department of Ophthalmology and Visual Science, Eye and ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China.,Key Laboratory of Myopia, Ministry of Health, Shanghai, China.,Key Laboratory of Visual Impairment and Restoration, Shanghai, China
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8
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van den Brand AD, Rubinstein E, de Jong PC, van den Berg M, van Duursen MBM. Primary endometrial 3D co-cultures: A comparison between human and rat endometrium. J Steroid Biochem Mol Biol 2019; 194:105458. [PMID: 31465845 DOI: 10.1016/j.jsbmb.2019.105458] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 08/18/2019] [Accepted: 08/25/2019] [Indexed: 12/21/2022]
Abstract
Human and rat reproductive systems differ significantly with respect to hormonal cyclicity and endometrial cell behavior. However, species-differences in endometrial cell responses upon hormonal stimulation and exposure to potentially toxic compounds are poorly characterized. In this study, human and rat endometrial hormonal responses were assessed in vitro using a 3D co-culture model of primary human and rat endometrial cells. The models were exposed to the aryl hydrocarbon receptor (AHR) ligands 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), laquinimod, and its AHR active metabolite DELAQ. In both the human and rat endometrial models, estrogen receptor and progesterone receptor gene expression was modulated by the hormonal treatments, comparable to the in vivo situation. AHR gene expression in the human endometrial model did not change when exposed to hormones. In contrast, AHR expression decreased 2-fold in the rat model when exposed to predominantly progesterone, which resulted in a 2.8-fold attenuation of gene expression induction of cytochrome P450 1A1 (CYP1A1) by TCDD. TCDD and DELAQ, but not laquinimod, concentration-dependently induced CYP1A1 gene expression in both human and rat endometrial models. Interestingly, the relative degree of DELAQ to induce CYP1A1 was higher than that of TCDD in the human model, while it was lower in the rat model. These data clearly show species-differences in response to hormones and AHR ligands between human and rat endometrial cells in vitro, which might greatly affect the applicability of the rat as translational model for human endometrial effects. This warrants further development of human relevant, endometrium-specific test methods for risk assessment purposes.
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Affiliation(s)
- A D van den Brand
- Institute for Risk Assessment Sciences, Utrecht University, Yalelaan 104, 3584 CM Utrecht, the Netherlands.
| | - E Rubinstein
- Teva Pharmaceutical Industries Ltd, Netanya, Israel
| | - P C de Jong
- St. Antonius Hospital, Nieuwegein, the Netherlands
| | - M van den Berg
- Institute for Risk Assessment Sciences, Utrecht University, Yalelaan 104, 3584 CM Utrecht, the Netherlands
| | - M B M van Duursen
- Institute for Risk Assessment Sciences, Utrecht University, Yalelaan 104, 3584 CM Utrecht, the Netherlands; Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
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9
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Peng W, He D, Shan B, Wang J, Shi W, Zhao W, Peng Z, Luo Q, Duan M, Li B, Cheng Y, Dong Y, Tang F, Zhang C, Duan C. LINC81507 act as a competing endogenous RNA of miR-199b-5p to facilitate NSCLC proliferation and metastasis via regulating the CAV1/STAT3 pathway. Cell Death Dis 2019; 10:533. [PMID: 31296840 PMCID: PMC6624296 DOI: 10.1038/s41419-019-1740-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 05/04/2019] [Accepted: 06/13/2019] [Indexed: 12/12/2022]
Abstract
Lung cancer is the leading cause of cancer-related mortality worldwide. Recently, accumulating data indicate that long noncoding RNAs (LncRNAs) function as novel crucial regulators of diverse biological processes, including proliferation and metastasis, in tumorigenesis. Lnc NONHSAT081507.1 (LINC81507) is associated with lung adenocarcinoma. However, its pathological role in non-small cell lung cancer (NSCLC) remains unknown. In our study we investigated the role of LINC81507 in NSCLC. The expression of LINC81507 was analyzed in 105 paired NSCLC tumor specimens and paired adjacent non-tumorous tissues from NSCLC patients by real-time quantitative PCR (RT-qPCR). Gain- and loss-of-function experiments were conducted to investigate the functions of LINC81507, miR-199b-5p and CAV1. Reduced expression of LINC81507 resulted in cell growth, proliferation, migration and epithelial–mesenchymal transition (EMT) in NSCLC cells, whereas ectopic overexpression of LINC81507 resulted in the opposite effects both in vitro and in vivo. Nuclear and Cytoplasmic fractionation assays showed LINC81507 mainly resided in cytoplasm. Bioinformatics analysis and dual-luciferase assays revealed that miR-199b-5p was a direct target of LINC81507 through binding Ago2. Mechanistic analysis demonstrated that miR-199b-5p specifically targeted the Caveolin1 (CAV1) gene, and LINC81507 inactivated the STAT3 pathway in a CAV1-dependent manner. Taken together, LINC81507 is decreased in NSCLC and functions as a sponge to miR-199b-5p to regulate CAV1/STAT3 pathway, which suggests that LINC81507 serve as a tumor suppressor and potential therapeutic target and biomarker for metastasis and prognosis in NSCLC.
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Affiliation(s)
- Wei Peng
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, PR China
| | - Dan He
- Hunan Cancer Hospital, The Affiliated Tumor Hospital of Xiangya Medical College, Central South University, Changsha, 410008, PR China
| | - Bin Shan
- College of Medicine, Washington State University Spokane, Spokane, WA, 99201, USA
| | - Jun Wang
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, PR China
| | - Wenwen Shi
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, PR China
| | - Wenyuan Zhao
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, PR China
| | - Zhenzi Peng
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, PR China
| | - Qingxi Luo
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, PR China
| | - Minghao Duan
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, PR China
| | - Bin Li
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, PR China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, PR China
| | - Yuanda Cheng
- Department of Thoracic Surgery, Xiangya Hospital, Central South University, Changsha, 410008, PR China
| | - Yeping Dong
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, PR China
| | - Faqing Tang
- Hunan Cancer Hospital, The Affiliated Tumor Hospital of Xiangya Medical College, Central South University, Changsha, 410008, PR China
| | - Chunfang Zhang
- Department of Thoracic Surgery, Xiangya Hospital, Central South University, Changsha, 410008, PR China
| | - Chaojun Duan
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, PR China.
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Samartzis EP, Fink D, Stucki M, Imesch P. Doxycycline reduces MMP-2 activity and inhibits invasion of 12Z epithelial endometriotic cells as well as MMP-2 and -9 activity in primary endometriotic stromal cells in vitro. Reprod Biol Endocrinol 2019; 17:38. [PMID: 30981279 PMCID: PMC6462312 DOI: 10.1186/s12958-019-0481-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 04/04/2019] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Matrix metalloproteinases (MMPs), especially the gelatinases MMP-2 and MMP-9, play a crucial role in the pathogenesis of endometriosis by enabling invasion. Doxycycline is a well-tolerated antibiotic and a potent MMP-inhibitor in subantimicrobial doses. METHODS Gelatin zymography and activity assays were used to detect latent and active MMP-2 and -9 in cell culture supernatants of immortalized epithelial (12Z) and two isolates of primary endometriotic stromal cells treated with doxycycline. The invasiveness of 12Z endometriotic cells treated with doxycycline was assessed in matrigel-coated invasion chambers. The effect on latent and active MMP-2 expression of the combination of progesterone and doxycycline was tested in 12Z. RESULTS Doxycycline significantly reduced the MMP-2 activity and pro-MMP-2 expression in 12Z and the MMP-2 and -9 activity as well as expression of pro-MMP-2 and -9 in primary endometriotic stromal cells. The percentage of 12Z cells invading through a matrigel-coated membrane was reduced to 65 and 22% of the control after treatment with doxycycline at doses of 1 μg/ml and 10 μg/ml, respectively. Furthermore, a combination of progesterone and doxycycline showed an additive effect in low doses on the reduction of MMP-2 activity and pro-MMP2 expression in 12Z endometriotic cells. CONCLUSIONS In conclusion, the MMP-inhibiting features of subantimicrobial-dose doxycycline may be further evaluated as a well-tolerable additional therapeutic approach, e.g. in combination with progestins such as dienogest, in patients with infiltrative endometriosis with insufficient response to current medical treatment options.
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Affiliation(s)
- Eleftherios P. Samartzis
- 0000 0004 0478 9977grid.412004.3Division of Gynecology, University Hospital Zurich, Frauenklinikstrasse 10, CH-8091 Zürich, Switzerland
| | - Daniel Fink
- 0000 0004 0478 9977grid.412004.3Division of Gynecology, University Hospital Zurich, Frauenklinikstrasse 10, CH-8091 Zürich, Switzerland
| | - Manuel Stucki
- 0000 0004 0478 9977grid.412004.3Division of Gynecology, University Hospital Zurich, Frauenklinikstrasse 10, CH-8091 Zürich, Switzerland
| | - Patrick Imesch
- 0000 0004 0478 9977grid.412004.3Division of Gynecology, University Hospital Zurich, Frauenklinikstrasse 10, CH-8091 Zürich, Switzerland
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11
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Estrogen- and Progesterone-Induced Variation in Corneal Parameters According to Hormonal Status. Eye Contact Lens 2018; 44 Suppl 1:S179-S184. [PMID: 28244931 DOI: 10.1097/icl.0000000000000376] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVES To determine the effects of estrogen and progesterone on corneal thickness, curvature, and biomechanics in healthy corneas according to hormonal status. METHODS The study included four groups of females: group A (menstruating, not pregnant, not lactating, and not menopausal; n=100), group B (pregnant; n=50), group C (lactating; n=50), and group D (menopausal; n=50). Group A was subdivided according to age, as subgroup A15-25 (age 15-25 years) and subgroup A>25 (age >25 years). Blood estradiol and progesterone levels were measured in each participant. All the participants underwent a full ophthalmologic examination, including corneal thickness and corneal topography measurement, and evaluation of corneal biomechanical properties. RESULTS The corneal resistance factor and anterior corneal flat keratometry values were significantly higher in group D (P=0.040 and P=0.026, respectively) than in the other three groups. Posterior corneal steep keratometry values were significantly higher in subgroup A>25 during the preovulatory phase than ovulatory and postovulatory phases (P=0.012). In group B, there was a significant negative correlation between gestational week and intraocular pressure (IOP) (r=-0.322, P=0.024). Corneal volume was significantly higher during the early postpartum period than the late postpartum period in group C (P=0.028). Intraocular pressure, Goldman-correlated IOP, and corneal-compensated IOP differed significantly between the groups (P<0.05). CONCLUSIONS Blood levels of estrogen and progesterone were associated with variations in IOP, but estrogen and progesterone did not have a consistent effect on topographic parameters or biomechanical properties in healthy corneas.
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Schroen DJ, Brinckerhoff CE. Nuclear hormone receptors inhibit matrix metalloproteinase (MMP) gene expression through diverse mechanisms. Gene Expr 2018; 6:197-207. [PMID: 9196075 PMCID: PMC6148269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Agents like retinoids, thyroid hormone, glucocorticoids, progesterone, androgens, which bind to members of the nuclear receptor superfamily, inhibit the synthesis of matrix metalloproteinases (MMPs) in many cell types. These Zn2(+)- and Ca2(+)-dependent MMPs degrade components of the extracellular matrix (ECM), and precise regulation of their expression is crucial in many normal processes. However, inappropriate expression of MMPs contributes to a variety of invasive and erosive diseases, and inhibition of MMP synthesis provides an important mechanism for controlling such aberrant or dysregulated responses. Nuclear receptors control MMPs through a variety of seemingly redundant mechanisms. First, nuclear receptors act on the promoters of MMP genes to enhance or suppress trans-activation. Ironically, in a family of genes that exhibits substantial regulation by nuclear receptors, few consensus hormone responsive elements (HREs) have been deomonstrated in MMP promoters. Rather, inhibition of MMPs occurs primarily, but not exclusively, at AP-1 sites. Here, nuclear receptors form complexes on the DNA through interactions with AP-1 proteins, sequester Fos/Jun and/or decrease the mRNAs for these transcription factors. Second, nuclear receptors and their ligands can indirectly inhibit MMPs. For instance, both retinoids and glucocorticoids induce the transcription of TIMPs (tissue inhibitor of metalloproteinases), which complex with MMPs and inhibit enzymatic activity, and progesterone stimulates production of transforming growth factor-beta (TGF-beta), which in turn suppresses MMP-7 (matrilysin). Finally, nuclear receptors bind to coactivators, corepressors, and components of the general transcriptional apparatus, but the potential role of these interactions in MMP regulation remains to be determined. We conclude that nuclear receptors utilize multiple, apparently redundant, mechanisms to inhibit MMP gene expression, assuring precise control of ECM degradation under a variety of physiologic and pathologic conditions.
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Affiliation(s)
- Daniel J. Schroen
- *Department of Medicine, Dartmouth Medical School, HB 7200, Hanover, NH 03755
| | - Constance E. Brinckerhoff
- *Department of Medicine, Dartmouth Medical School, HB 7200, Hanover, NH 03755
- †Department of Biochemistry, Dartmouth Medical School, HB 7200, Hanover, NH 03755
- Address correspondence to Constance E. Brinckerhoff. Tel: (603) 650-1609; Fax: (603) 650-1128; E-mail:
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13
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Bałkowiec M, Maksym RB, Włodarski PK. The bimodal role of matrix metalloproteinases and their inhibitors in etiology and pathogenesis of endometriosis (Review). Mol Med Rep 2018; 18:3123-3136. [PMID: 30066912 PMCID: PMC6102659 DOI: 10.3892/mmr.2018.9303] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Accepted: 06/19/2018] [Indexed: 11/06/2022] Open
Abstract
Aberrant regulation of matrix metalloproteinases (MMPs) may be the primary cause of endometrial lesion formation in a group of predisposed women. Prospect for the genuine origin of endometriosis is ongoing, since retrograde menstruation leads to presence of endometrial debris in peritoneal cavity of many women, which do not experience endometriosis. Tissue remodeling is regulated precisely by a balance of MMPs and their inhibitors. Interplay between factors enhancing and suppressing matrix turnover is crucial for cyclic preparation of endometrium for embryo implantation, and endometrial shedding and renewal in physiology of primates. Disorders of the regulation of matrix remodeling leads to augmentation of implantation and invasive growth of ectopic endometrial tissue. Moreover, endometriosis-induced changes in the matrix balance leads to adhesion formation, ovulatory dysfunction and fertility impairment. The review summarizes the current knowledge regarding the regulation of extracellular matrix turnover in the physiology of the endometrial cycle and in the development of endometriosis, as well as the pathophysiology of ovulatory dysfunction in endometriotic women. Therapeutic modalities utilizing modulation of tissue remodeling were discussed.
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Affiliation(s)
- Magdalenia Bałkowiec
- Department of Histology and Embryology, Medical University of Warsaw, 02-004 Warsaw, Poland
| | - Radosław B Maksym
- Center for Preclinical Research, Department of Methodology, Medical University of Warsaw, 02-097 Warsaw, Poland
| | - Paweł K Włodarski
- Center for Preclinical Research, Department of Methodology, Medical University of Warsaw, 02-097 Warsaw, Poland
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14
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Delire B, Henriet P, Lemoine P, Leclercq IA, Stärkel P. Chronic liver injury promotes hepatocarcinoma cell seeding and growth, associated with infiltration by macrophages. Cancer Sci 2018; 109:2141-2152. [PMID: 29727510 PMCID: PMC6029836 DOI: 10.1111/cas.13628] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2017] [Revised: 04/14/2018] [Accepted: 04/23/2018] [Indexed: 12/18/2022] Open
Abstract
Ninety percent of hepatocarcinoma (HCC) develops in a chronically damaged liver. Interactions between non‐tumor stromal components, especially macrophages, and cancer cells are still incompletely understood. Our aim was to determine whether a chronically injured liver represents a favorable environment for the seeding and growth of HCC cells, and to evaluate the potential roles of macrophages infiltrated within the tumor. HCC cells were injected into the liver in healthy mice (healthy liver group [HL]) and in mice chronically treated with carbon tetrachloride (CCl4) for 7 weeks (CCl4 7w group). Livers were examined for the presence of tumor 2 weeks post‐injection. Tumor and non‐tumor tissues were analyzed for macrophage infiltration, origin (monocytes‐derived vs resident macrophages) and polarization state, and MMP production. Fifty‐three percent of mice developed neoplastic lesion in the HL group whereas a tumor lesion was found in all livers in the CCl4 7w group. Macrophages infiltrated more deeply the tumors of the CCl4 7w group. Evaluation of factors involved in the recruitment of macrophages and of markers of their polarization state was in favor of prominent infiltration of M2 pro‐tumor monocyte‐derived macrophages inside the tumors developing in a chronically injured liver. MMP‐2 and ‐9 production, attributed to M2 pro‐tumor macrophages, was significantly higher in the tumors of the CCl4 7w group. In our model, chronic liver damage promotes cancer development. Our results suggest that an injured background favors the infiltration of M2 pro‐tumor monocyte‐derived macrophages. These secrete MMP‐2 and MMP‐9 that promote tumor progression.
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Affiliation(s)
- Bénédicte Delire
- Laboratory of Hepato-Gastroenterology, Institut de Recherche Expérimentale et Clinique (IREC), Catholic University of Louvain, Brussels, Belgium
| | - Patrick Henriet
- Cell Biology Unit, de Duve Institute, Catholic University of Louvain, Brussels, Belgium
| | - Pascale Lemoine
- Cell Biology Unit, de Duve Institute, Catholic University of Louvain, Brussels, Belgium
| | - Isabelle A Leclercq
- Laboratory of Hepato-Gastroenterology, Institut de Recherche Expérimentale et Clinique (IREC), Catholic University of Louvain, Brussels, Belgium
| | - Peter Stärkel
- Laboratory of Hepato-Gastroenterology, Institut de Recherche Expérimentale et Clinique (IREC), Catholic University of Louvain, Brussels, Belgium.,Department of Gastroenterology, Saint-Luc Academic Hospital and Institute of Clinical Research, Catholic University of Louvain, Brussels, Belgium
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15
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Courtoy GE, Henriet P, Marbaix E, de Codt M, Luyckx M, Donnez J, Dolmans MM. Matrix Metalloproteinase Activity Correlates With Uterine Myoma Volume Reduction After Ulipristal Acetate Treatment. J Clin Endocrinol Metab 2018; 103:1566-1573. [PMID: 29408988 DOI: 10.1210/jc.2017-02295] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Accepted: 01/26/2018] [Indexed: 02/05/2023]
Abstract
CONTEXT Ulipristal acetate (UPA), a selective progesterone receptor modulator, clinically reduces uterine myoma size in 80% of cases. However, the molecular mechanism of action is still poorly understood, as is the reason why 20% of myomas do not respond to treatment. OBJECTIVE To elucidate whether matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) are associated with myoma volume shrinkage after UPA therapy. DESIGN Prospective study. SETTING Academic research unit of a university hospital. PATIENTS Uterine biopsies were obtained from 59 patients with symptomatic myomas undergoing myomectomy, 45 of whom were treated preoperatively with either one or greater than or equal to two, 3-month courses of UPA and 14 not given any hormone therapy to serve as controls. Myoma volume was individually monitored during UPA therapy to determine any substantial clinical response (defined as a reduction in volume of >25%). Three groups were established based on the response to treatment: responsive (R) after one course (n = 12); R after two to four courses (n = 15); and nonresponsive (NR; n = 18). INTERVENTIONS UPA treatment given as preoperative management for symptomatic myomas. MAIN OUTCOME MEASURES MMP and TIMP expression assessed by zymography and immunohistochemistry. RESULTS Compared with controls and NR myomas, responders showed significantly higher expression levels for MMP-1 (P < 0.0001) and MMP-2 (P = 0.009) and significantly lower expression levels for TIMP-1 (P = 0.040). CONCLUSIONS The correlation found between MMP expression and volume fold change supports the notion that MMPs play a key role in UPA-induced myoma shrinkage.
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Affiliation(s)
- Guillaume E Courtoy
- Pôle de Recherche en Gynécologie, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium
| | - Patrick Henriet
- Cell Biology Unit, de Duve Institute, Université Catholique de Louvain, Brussels, Belgium
| | - Etienne Marbaix
- Cell Biology Unit, de Duve Institute, Université Catholique de Louvain, Brussels, Belgium
- Pathology Department, Cliniques Universitaires St-Luc, Brussels, Belgium
| | - Matthieu de Codt
- Pôle de Recherche en Gynécologie, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium
| | - Mathieu Luyckx
- Gynecology and Andrology Department, Cliniques Universitaires St-Luc, Brussels, Belgium
| | - Jacques Donnez
- Société de Recherche pour l'Infertilité (SRI), Brussels, Belgium
| | - Marie-Madeleine Dolmans
- Pôle de Recherche en Gynécologie, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium
- Gynecology and Andrology Department, Cliniques Universitaires St-Luc, Brussels, Belgium
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16
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Goodwin MR, Rispoli LA, Payton RR, Saxton AM, Edwards JL. Developmental consequences of supplementing with matrix metallopeptidase-9 during in vitro maturation of heat-stressed bovine oocytes. J Reprod Dev 2016; 62:553-560. [PMID: 27440552 PMCID: PMC5177972 DOI: 10.1262/jrd.2015-177] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Accepted: 07/07/2016] [Indexed: 11/25/2022] Open
Abstract
Because latent form of matrix metallopeptidase-9 (proMMP9) levels are positively related to blastocyst development, it was hypothesized that addition during maturation may improve development of heat-stressed oocytes. To test hypothesis, 0, 30 or 300 ng/ml human proMMP9 (hMMP9) was added at 18 h of in vitro maturation (hIVM) to cumulus-oocyte complexes matured at 38.5 or 41.0ºC (first 12 h only). Heat stress decreased 24 hIVM proMMP9 levels only in 0 and 30 ng/ml groups and increased progesterone in 0 and 300 ng/ml hMMP9 groups. Heat stress decreased cleavage and blastocyst development. Independent of maturation temperature, hMMP9 at 18 hIVM decreased blastocyst development. In a second study, cumulus-oocyte complexes were matured for 24 h at 38.5 or 41.0ºC (HS first 12 h only) with 0 or 300 ng/ml hMMP9 added at 12 hIVM. Without hMMP9, heat stress decreased 24 hIVM proMMP9 levels and increased progesterone production. Addition of 300 ng/ml of hMMP9 produced equivalent levels of proMMP9 at 24 hIVM (271 vs. 279 ± 77 for 38.5ºC and 41.0ºC treated oocytes, respectively). Heat stress did not affect ability of oocytes to cleave but reduced blastocyst development. Independent of temperature, hMMP9 decreased cleavage and blastocyst development. In summary, hMMP9 supplementation during IVM did not improve development of heat-stressed oocytes even when it was added for the entire maturation period. At doses tested, hMMP9 appeared detrimental to development when supplemented during the last 12 or 6 h of oocyte maturation.
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Affiliation(s)
- Megan R Goodwin
- University of Tennessee, Institute of Agriculture, UT AgResearch, Department of Animal Science, Knoxville, TN 37996-4574, USA
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17
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Scolari SC, Pugliesi G, Strefezzi RDF, Andrade SC, Coutinho LL, Binelli M. Dynamic remodeling of endometrial extracellular matrix regulates embryo receptivity in cattle. Reproduction 2016; 153:REP-16-0237. [PMID: 27754873 DOI: 10.1530/rep-16-0237] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Accepted: 10/17/2016] [Indexed: 01/26/2023]
Abstract
We aimed to evaluate in the bovine endometrium whether (1) key genes involved in endometrial extracellular matrix (ECM) remodeling are regulated by the endocrine peri-ovulatory milieu; and (2) specific endometrial ECM-related transcriptome can be linked to pregnancy outcome. In Experiment 1, pre-ovulatory follicle growth of cows was manipulated to obtain two groups with specific endocrine peri-ovulatory profiles: the Large Follicle-Large CL group (LF-LCL) served as a paradigm for greater receptivity and fertility and showed greater plasma pre-ovulatory estradiol and post-ovulatory progesterone concentrations when compared to the Small Follicle-Small CL group (SF-SCL). Endometrium was collected on days 4 and 7 of the estrous cycle. Histology revealed a greater abundance of total collagen content in SF-SCL on day 4 endometrium. In Experiment 2, cows were artificially inseminated and, six days later, endometrial biopsies were collected. Cows were retrospectively divided into pregnant and non-pregnant (P vs. NP) groups after diagnosis on day 30. In both experiments, expression of genes related to ECM remodeling in the endometrium was studied by RNAseq and qPCR. Gene ontology analysis showed an inhibition in the expression of ECM-related genes in the high receptivity groups (LF-LCL and P). Specifically, there was down-regulation of TGFB2, ADAMTS2, 5 and 14, TIMP3 and COL1A2, COL3A1, COL7A1 and COL3A3 in the LF-LCL and P groups. In summary, the overlapping set of genes differently expressed in both fertility models: (1) suggests that disregulation of ECM remodeling can impair receptivity and (2) can be used as markers to predict pregnancy outcome in cattle.
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Affiliation(s)
| | - Guilherme Pugliesi
- G Pugliesi, Department of Animal Reproduction, University of São Paulo, Pirassununga, Brazil
| | | | - Sónia Cristina Andrade
- S Andrade, Department of Animal Science, ESALQ-USP, University of São Paulo, Pirassununga, Brazil
| | - Luiz Lehmann Coutinho
- L Coutinho, Department of Animal Science, ESALQ-USP, University of São Paulo, Pirassununga, Brazil
| | - Mario Binelli
- M Binelli, Animal Reproduction, University of São Paulo, Pirassununga, 13635-900, Brazil
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18
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Cousins FL, Kirkwood PM, Murray AA, Collins F, Gibson DA, Saunders PTK. Androgens regulate scarless repair of the endometrial “wound” in a mouse model of menstruation. FASEB J 2016; 30:2802-11. [DOI: 10.1096/fj.201600078r] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Accepted: 04/12/2016] [Indexed: 01/18/2023]
Affiliation(s)
- Fiona L. Cousins
- Medical Research Council (MRC) Centre for Inflammation ResearchThe University of Edinburgh, Queen's Medical Research InstituteEdinburghUnited Kingdom
| | - Phoebe M. Kirkwood
- Medical Research Council (MRC) Centre for Inflammation ResearchThe University of Edinburgh, Queen's Medical Research InstituteEdinburghUnited Kingdom
| | - Alison A. Murray
- MRC Centre for Reproductive HealthThe University of Edinburgh, Queen's Medical Research InstituteEdinburghUnited Kingdom
| | - Frances Collins
- Medical Research Council (MRC) Centre for Inflammation ResearchThe University of Edinburgh, Queen's Medical Research InstituteEdinburghUnited Kingdom
| | - Douglas A. Gibson
- Medical Research Council (MRC) Centre for Inflammation ResearchThe University of Edinburgh, Queen's Medical Research InstituteEdinburghUnited Kingdom
| | - Philippa T. K. Saunders
- Medical Research Council (MRC) Centre for Inflammation ResearchThe University of Edinburgh, Queen's Medical Research InstituteEdinburghUnited Kingdom
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19
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Schatz F, Guzeloglu-Kayisli O, Arlier S, Kayisli UA, Lockwood CJ. The role of decidual cells in uterine hemostasis, menstruation, inflammation, adverse pregnancy outcomes and abnormal uterine bleeding. Hum Reprod Update 2016; 22:497-515. [PMID: 26912000 DOI: 10.1093/humupd/dmw004] [Citation(s) in RCA: 136] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 02/01/2016] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Human pregnancy requires robust hemostasis to prevent hemorrhage during extravillous trophoblast (EVT) invasion of the decidualized endometrium, modification of spiral arteries and post-partum processes. However, decidual hemorrhage (abruption) can occur throughout pregnancy from poorly transformed spiral arteries, causing fetal death or spontaneous preterm birth (PTB), or it can promote the aberrant placentation observed in intrauterine growth restriction (IUGR) and pre-eclampsia; all leading causes of perinatal or maternal morbidity and mortality. In non-fertile cycles, the decidua undergoes controlled menstrual bleeding. Abnormal uterine bleeding (AUB) accompanying progestin-only, long-acting, reversible contraception (pLARC) accounts for most discontinuations of these safe and highly effective agents, thereby contributing to unwanted pregnancies and abortion. The aim of this study was to investigate the role of decidual cells in uterine hemostasis, menstruation, inflammation, adverse pregnancy outcomes and abnormal uterine bleeding. METHODS We conducted a critical review of the literature arising from PubMed searches up to December 2015, regarding in situ and in vitro expression and regulation of several specific proteins involved in uterine hemostasis in decidua and cycling endometrium. In addition, we discussed clinical and molecular mechanisms associated with pLARC-induced AUB and pregnancy complications with abruptions, chorioamnionitis or pre-eclampsia. RESULTS Progestin-induced decidualization of estradiol-primed human endometrial stromal cells (HESCs) increases in vivo and in vitro expression of tissue factor (TF) and type-1 plasminogen activator inhibitor (PAI-1) while inhibiting plasminogen activators (PAs), matrix metalloproteinases (MMPs), and the vasoconstrictor, endothelin-1 (ET-1). These changes in decidual cell-derived regulators of hemostasis, fibrinolysis, extracellular matrix (ECM) turnover, and vascular tone prevent hemorrhage during EVT invasion and vascular remodeling. In non-fertile cycles, progesterone withdrawal reduces TF and PAI-1 while increasing PA, MMPs and ET-1, causing menstrual-associated bleeding, fibrinolysis, ECM degradation and ischemia. First trimester decidual hemorrhage elicits later adverse outcomes including pregnancy loss, pre-eclampsia, abruption, IUGR and PTB. Decidual hemorrhage generates excess thrombin that binds to decidual cell-expressed protease-activated receptors (PARs) to induce chemokines promoting shallow placentation; such bleeding later in pregnancy generates thrombin to down-regulate decidual cell progesterone receptors and up-regulate cytokines and MMPs linked to PTB. Endometria of pLARC users display ischemia-induced excess vasculogenesis and progestin inhibition of spiral artery vascular smooth muscle cell proliferation and migration leading to dilated fragile vessels prone to bleeding. Moreover, aberrant TF-derived thrombin signaling also contributes to the pathogenesis of endometriosis via induction of angiogenesis, inflammation and cell survival. CONCLUSION Perivascular decidualized HESCs promote endometrial hemostasis during placentation yet facilitate menstruation through progestational regulation of hemostatic, proteolytic, and vasoactive proteins. Pathological endometrial hemorrhage elicits excess local thrombin generation, which contributes to pLARC associated AUB, endometriosis and adverse pregnancy outcomes through several biochemical mechanisms.
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Affiliation(s)
- Frederick Schatz
- Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
| | - Ozlem Guzeloglu-Kayisli
- Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
| | - Sefa Arlier
- Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
| | - Umit A Kayisli
- Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
| | - Charles J Lockwood
- Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
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Shiau HJ, Aichelmann-Reidy ME, Reynolds MA. Influence of sex steroids on inflammation and bone metabolism. Periodontol 2000 2015; 64:81-94. [PMID: 24320957 DOI: 10.1111/prd.12033] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/04/2013] [Indexed: 12/16/2022]
Abstract
Sex steroids are central to sexual development and reproduction, exerting pleiotropic effects on multiple tissues and organs throughout the lifespan of humans. Sex steroids are fundamental to skeletal development, bone homeostasis and immune function. The composite effect of sex-specific genetic architecture and circulating levels of sex-steroid hormones closely parallels differences in the immune response and may account for corresponding sex-related differences in risk for chronic periodontitis, with men exhibiting greater susceptibility than women. Age-associated reductions in sex steroids also provide insight into apparent temporal increases in susceptibility to periodontitis and alveolar bone loss, particularly among women. Chronic infection and inflammatory conditions, such as periodontal disease, provide a unique platform for exploring the interface of sex steroids, immunity and bone metabolism.
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Courtoy GE, Donnez J, Marbaix E, Dolmans MM. In vivo mechanisms of uterine myoma volume reduction with ulipristal acetate treatment. Fertil Steril 2015; 104:426-34.e1. [DOI: 10.1016/j.fertnstert.2015.04.025] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Revised: 03/25/2015] [Accepted: 04/20/2015] [Indexed: 01/22/2023]
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Lepetsos P, Pampanos A, Kanavakis E, Tzetis M, Korres D, Papavassiliou AG, Efstathopoulos N. Association of MMP-1 -1607 1G/2G (rs1799750) polymorphism with primary knee osteoarthritis in the Greek population. J Orthop Res 2014; 32:1155-60. [PMID: 24838892 DOI: 10.1002/jor.22647] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2014] [Accepted: 04/24/2014] [Indexed: 02/04/2023]
Abstract
Osteoarthritis is the most common form of arthritis with still unknown pathogenic etiology and considerable contribution of genetic factors. One of the mechanisms of cartilage degradation in osteoarthritis is enzymatic proteolysis of the extracellular matrix by metalloproteinases. MMP-1, produced by chondrocytes and synovial cells, is a major proteinase of the MMPs family. The present study aims at evaluating the association of MMP1 gene -1607 1G/2G (rs1799750) polymorphism with primary knee osteoarthritis in the Greek population. One hundred fifty five patients with primary symptomatic knee osteoarthritis participated in the study along with 139 controls. Genotypes were determined using PCR-RLFP technique. Allelic and genotypic frequencies were compared between both study groups. There was no significant association between MMP1 -1607 1G/2G polymorphism and knee osteoarthritis, in crude analysis; however, after multiple logistic regression analysis, 1G/2G was associated with reduced odds of knee osteoarthritis by 75% in males, compared to genotypes 1G/1G + 2G/2G, adjusting for age and BMI (adjusted OR: 0.25, 95% CI: 0.069, 0.910, p = 0.035). The present study shows that MMP1 -1607 1G/2G (rs1799750) polymorphism might be a risk factor for knee osteoarthritis susceptibility in the Greek population. Further investigations are needed to confirm this association in the pathogenesis of osteoarthritis.
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Affiliation(s)
- Panagiotis Lepetsos
- 2nd Department of Trauma and Orthopaedics, University of Athens Medical School, "Agia Olga" Hospital, 3-5 Ag. Olgas Street, 14233, Nea Ionia, Athens, Greece; Department of Medical Genetics, University of Athens Medical School, "Agia Sophia" Children's Hospital, Thivon and Levadias Str., 11527, Athens, Greece
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Rispoli LA, Payton RR, Gondro C, Saxton AM, Nagle KA, Jenkins BW, Schrick FN, Edwards JL. Heat stress effects on the cumulus cells surrounding the bovine oocyte during maturation: altered matrix metallopeptidase 9 and progesterone production. Reproduction 2013; 146:193-207. [DOI: 10.1530/rep-12-0487] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
When the effects of heat stress are detrimental during maturation, cumulus cells are intimately associated with the oocyte. To determine the extent to which heat stress affects these cells, in this study, transcriptome profiles of the cumulus that surrounded control and heat-stressed oocytes (41 °C during the first 12 h only and then shifted back to 38.5 °C) duringin vitromaturation (IVM) were compared using Affymetrix bovine microarrays. The comparison of cumulus-derived profiles revealed a number of transcripts whose levels were increased (n=11) or decreased (n=13) ≥ twofold after heat stress exposure (P<0.01), sufficient to reduce the development of blastocysts by 46.4%. In a separate study, quantitative PCR (qPCR) was used to confirm heat-induced differences in the relative abundances of the transcripts of five different genes (caveolin 1, matrix metallopeptidase 9, FSH receptor, Indian hedgehog homolog, and inducible nitric oxide synthase). Heat stress exposure resulted in >1.7-fold decrease in the protein levels of latent matrix metallopeptidase 9 (proMMP9). Heat-induced reductions in transcript levels were noted at 6 h IVM with reductions in proMMP9 protein levels at 18 h IVM (P=0.0002). Independent of temperature, proMMP9 levels at 24 h IVM were positively correlated with the development rate of blastocysts (R2=0.36;P=0.002). The production of progesterone increased during maturation; heat-induced increases were evident by 12 h IVM (P=0.002). Both MMP9 and progesterone are associated with the developmental competence of the oocyte; thus, it seems plausible for some of the negative consequences of heat stress on the cumulus–oocyte complex to be mediated through heat-induced perturbations occurring in the surrounding cumulus.
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Bellance C, Khan JA, Meduri G, Guiochon-Mantel A, Lombès M, Loosfelt H. Progesterone receptor isoforms PRA and PRB differentially contribute to breast cancer cell migration through interaction with focal adhesion kinase complexes. Mol Biol Cell 2013; 24:1363-74. [PMID: 23485561 PMCID: PMC3639048 DOI: 10.1091/mbc.e12-11-0807] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Conditionally expressed progesterone receptor isoforms PRA and PRB enhance breast cancer cell migration through interaction with focal adhesion kinase (FAK) and differential regulation of FAK phosphorylation and turnover. PRB-stimulated migration is reduced by progestins, which is prevented by PR antagonists or agonist-bound PRA. Progesterone receptor (PR) and progestins affect mammary tumorigenesis; however, the relative contributions of PR isoforms A and B (PRA and PRB, respectively) in cancer cell migration remains elusive. By using a bi-inducible MDA-MB-231 breast cancer cell line expressing PRA and/or PRB, we analyzed the effect of conditional PR isoform expression. Surprisingly, unliganded PRB but not PRA strongly enhanced cell migration as compared with PR(–) cells. 17,21-Dimethyl-19-norpregna-4,9-dien-3,20-dione (R5020) progestin limited this effect and was counteracted by the antagonist 11β-(4-dimethylamino)phenyl-17β-hydroxy-17-(1-propynyl)estra-4,9-dien-3-one (RU486). Of importance, PRA coexpression potentiated PRB-mediated migration, whereas PRA alone was ineffective. PR isoforms differentially regulated expressions of major players of cell migration, such as urokinase plasminogen activator (uPA), its inhibitor plasminogen activator inhibitor type 1, uPA receptor (uPAR), and β1-integrin, which affect focal adhesion kinase (FAK) signaling. Moreover, unliganded PRB but not PRA enhanced FAK Tyr397 phosphorylation and colocalized with activated FAK in cell protrusions. Because PRB, as well as PRA, coimmunoprecipitated with FAK, both isoforms can interact with FAK complexes, depending on their respective nucleocytoplasmic trafficking. In addition, FAK degradation was coupled to R5020-dependent turnovers of PRA and PRB. Such an effect of PRB/PRA expression on FAK signaling might thus affect adhesion/motility, underscoring the implication of PR isoforms in breast cancer invasiveness and metastatic evolution with underlying therapeutic outcomes.
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Affiliation(s)
- Catherine Bellance
- Institut National de la Santé et de la Recherche Médicale Unité 693, Le Kremlin-Bicêtre F-94276, France
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Abstract
Much of our understanding of the molecular control of menstruation arises from laboratory models that experimentally recapitulate some, but not all, aspects of uterine bleeding observed in women. These models include: in vitro culture of endometrial explants or isolated endometrial cells, transplantation of human endometrial tissue into immunodeficient mice and the induction of endometrial breakdown in appropriately pretreated mice. Each of these models has contributed to our understanding of molecular and cellular mechanisms of menstruation, but nonhuman primates, especially macaques, are the animal model of choice for evaluating therapies for menstrual disorders. In this chapter we review some basic aspects of menstruation, with special emphasis on the macaque model and its relevance to the clinical issues of irregular and heavy menstrual bleeding (HMB).
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Affiliation(s)
- Robert M Brenner
- Division of Reproductive & Developmental Sciences, Oregon National Primate Research Center, Oregon Health and Science University, Beaverton, OR, USA.
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Henriet P, Gaide Chevronnay HP, Marbaix E. The endocrine and paracrine control of menstruation. Mol Cell Endocrinol 2012; 358:197-207. [PMID: 21820486 DOI: 10.1016/j.mce.2011.07.042] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2011] [Revised: 07/19/2011] [Accepted: 07/20/2011] [Indexed: 01/29/2023]
Abstract
During the reproductive life, the human endometrium undergoes cycles of substantial remodeling including, at menstruation, a massive but delimited tissue breakdown immediately followed by scarless repair. The present review aims at summarizing the current knowledge on the endocrine and paracrine control of menstruation in the light of recent observations that undermine obsolete dogmas. Menstruation can be globally considered as a response to falling progesterone concentration. However, tissue breakdown is heterogeneous and tightly controlled in space and time by a complex network of regulators and effectors, including cytokines, chemokines, proteases and various components of an inflammatory response. Moreover, menstruation must be regarded as part of a complex and integrated mechanism of tissue remodeling including features that precede and follow tissue lysis, i.e. decidualization and immediate post-menstrual regeneration. The understanding of the regulation of menstruation is of major basic and clinical interest. Indeed, these mechanisms largely overlap with those controlling other histopathological occurrences of tissue remodeling, such as development and cancer, and inappropriate control of menstrual features is a major potential cause of two frequent endometrial pathologies (i.e. abnormal uterine bleeding and endometriosis).
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Affiliation(s)
- Patrick Henriet
- Cell Biology Unit, de Duve Institute, Université catholique de Louvain, avenue Hippocrate, 75, B-1200 Bruxelles, Belgium.
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Gremlich S, Chanson A, Urner F, Senn A, Reymondin D, Damnon F, Roth-Kleiner M, Witkin SS, Germond M, Gerber S. LIF and sIL-2R plasma concentrations in IVF patients on the day of embryo transfer: predictive markers of IVF outcome. J Reprod Immunol 2012; 94:175-82. [PMID: 22436290 DOI: 10.1016/j.jri.2012.02.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2011] [Revised: 01/26/2012] [Accepted: 02/13/2012] [Indexed: 01/19/2023]
Abstract
Successful implantation is still the limiting step in IVF. We hypothesized that maternal plasma concentrations of certain cytokines at the time of embryo transfer could predict the likelihood of successful implantation and pregnancy. sIL-2R, IL-6, LIF, and MMP2 concentrations were measured in plasma from 160 IVF patients (natural and stimulated IVF cycles) on the morning of the embryo transfer (ET0) and 14 days later (ET+14). Patients were ultimately subdivided into four groups depending on the IVF treatment outcome (pregnancy failure, biochemical pregnancy, first-trimester miscarriage and normal term delivery). In natural and stimulated IVF cycles at ET0, sIL-2R concentrations were threefold higher in biochemical pregnancies than in pregnancy failures (P=0.020), and in natural cycles only, 2.5-fold higher in normal term deliveries than in pregnancy failures (P=0.023). Conversely, in natural and stimulated IVF cycles at ET0, LIF concentrations were one third lower in biochemical pregnancies/first-trimester miscarriages compared with pregnancy failures (P=0.042). We suggest that high sIL-2R and low LIF concentrations in maternal plasma on the morning of the embryo transfer might be associated with increased risks of early pregnancy loss, while a basal level of sIL-2R is necessary for normal term delivery outcome. Both cytokine measurements might therefore be useful in the management of IVF patients, and modulation of their concentrations could be investigated as a therapeutic alternative for women with abnormal concentrations at the time of embryo transfer.
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Affiliation(s)
- S Gremlich
- Department of Gynecology and Obstetrics, Centre Hospitalier Universitaire Vaudois and University of Lausanne, 1011 Lausanne, Switzerland.
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Chetty C, Vanamala SK, Gondi CS, Dinh DH, Gujrati M, Rao JS. RETRACTED: MMP-9 induces CD44 cleavage and CD44 mediated cell migration in glioblastoma xenograft cells. Cell Signal 2012; 24:549-559. [PMID: 22024282 PMCID: PMC3481542 DOI: 10.1016/j.cellsig.2011.10.008] [Citation(s) in RCA: 104] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2011] [Revised: 10/04/2011] [Accepted: 10/10/2011] [Indexed: 12/13/2022]
Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been retracted at the request of the Editor in Chief. On behalf the University of Illinois at Chicago, the Associate Vice Chancellor and Research Integrity Officer requested retraction of the article because of the elements listed here that were deemed false: Figure 5B, bottom row, Columns 1, 2, 4 and 5, top panel; Figure 5B, Row 1, Columns 1 and 2, bottom panel; Figure 5B, Row 2, Columns 3 and 4 bottom panel. Based on these circumstances the Editor in Chief has therefore decided to retract the paper. The corresponding author has been non-responsive to approaches from the Publisher.
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Affiliation(s)
- Chandramu Chetty
- Program of Cancer Biology, Department of Cancer Biology and Pharmacology, University of Illinois College of Medicine at Peoria, One Illini Drive, Peoria, IL 61605, USA
| | - Sravan K Vanamala
- Program of Cancer Biology, Department of Cancer Biology and Pharmacology, University of Illinois College of Medicine at Peoria, One Illini Drive, Peoria, IL 61605, USA
| | - Christopher S Gondi
- Program of Cancer Biology, Department of Cancer Biology and Pharmacology, University of Illinois College of Medicine at Peoria, One Illini Drive, Peoria, IL 61605, USA
| | - Dzung H Dinh
- Department of Neurosurgery, University of Illinois College of Medicine at Peoria, One Illini Drive, Peoria, IL 61605, USA
| | - Meena Gujrati
- Department of Pathology, University of Illinois College of Medicine at Peoria, One Illini Drive, Peoria, IL 61605, USA
| | - Jasti S Rao
- Program of Cancer Biology, Department of Cancer Biology and Pharmacology, University of Illinois College of Medicine at Peoria, One Illini Drive, Peoria, IL 61605, USA; Department of Neurosurgery, University of Illinois College of Medicine at Peoria, One Illini Drive, Peoria, IL 61605, USA.
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Dey S, Stalin S, Gupta A, Saha D, Kesh K, Swarnakar S. Matrix metalloproteinase3 gene promoter polymorphisms and their haplotypes are associated with gastric cancer risk in eastern Indian population. Mol Carcinog 2011; 51 Suppl 1:E42-53. [PMID: 22121090 DOI: 10.1002/mc.21837] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2011] [Revised: 10/18/2011] [Accepted: 10/19/2011] [Indexed: 12/14/2022]
Abstract
Single nucleotide polymorphisms (SNPs) of matrix metalloproteinase3 (MMP3) promoter in the development and progression of gastric cancer of whole stomach has never been investigated in any population. We conducted a hospital-based case-control study to explore the MMP3 SNPs and their haplotypes with the risk of gastric cancer for the first time in eastern Indian population. A total of 218 gastric cancer patients and 175 healthy controls were genotyped for MMP3-1612 5A/6A (rs3025058) by PCR-RFLP and rechecked 10% by DNA sequencing. MMP3-707 A/G (rs522616) and MMP3-375 C/G (rs617819) were genotyped by DNA sequencing among 209 patients and 154 controls. MMP3-1612 5A6A genotype (P = 0.026, odds ratio (OR) = 1.756, confidence interval (CI) = 1.070-2.883), combined 5A5A and 5A6A genotype (P = 0.015, OR = 1.791, CI = 1.122-2.858) and 5A allele (P = 0.002, OR = 1.75, CI = 1.21-2.53) and; MMP3-707 GG genotype (P = < 0.0001; OR = 9.612; 95% CI = 3.403-27.147), combined GG and AG genotype (P = 0.001, OR = 2.201, CI = 1.385-3.498) and G allele (P = <0.0001, OR = 2.189, CI = 1.582-3.033) conferred significant risk for gastric cancer development. Also, tobacco addicted individuals with combined 5A5A and 5A6A genotype (P = 0.005, OR = 2.952, CI = 1.377-6.327) at -1612 position of MMP3 promoter displayed a higher risk to gastric cancer development. The genotypic combinations of all three MMP3 promoter polymorphisms and their haplotypes with increasing risk allele in a dose-dependent manner showed a potential risk for developing gastric cancer. The analyses suggested that the MMP3-707 G/G and MMP3-1612 5A/6A polymorphisms are potential independent predictors of gastric cancer risk development.
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Affiliation(s)
- Sanjib Dey
- Department of Physiology, Drug Development Diagnostic and Biotechnology Division, Indian Institute of Chemical Biology, Kolkata, India
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Gaide Chevronnay HP, Selvais C, Emonard H, Galant C, Marbaix E, Henriet P. Regulation of matrix metalloproteinases activity studied in human endometrium as a paradigm of cyclic tissue breakdown and regeneration. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2011; 1824:146-56. [PMID: 21982799 DOI: 10.1016/j.bbapap.2011.09.003] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2011] [Revised: 09/18/2011] [Accepted: 09/19/2011] [Indexed: 10/17/2022]
Abstract
When abundant and activated, matrix metalloproteinases (MMPs, or matrixins) degrade most, if not all, constituents of the extracellular matrix (ECM). The resulting massive tissue breakdown is best exemplified in humans by the menstrual lysis and shedding of the endometrium, the mucosa lining the uterus. After menstruation, MMP activity needs to be tightly controlled as the endometrium regenerates and differentiates to avoid abnormal tissue breakdown while allowing tissue repair and fine remodelling to accommodate implantation of a blastocyst. This paper reviews how MMPs are massively present and activated in the endometrium at menstruation, and how their activity is tightly controlled at other phases of the cycle. Progesterone represses expression of many but not all MMPs. Its withdrawal triggers focal expression of MMPs specifically in the areas undergoing lysis, an effect mediated by local cytokines such as interleukin-1α, LEFTY-2, tumour necrosis factor-α and others. MMP-3 is selectively expressed at that time and activates proMMP-9, otherwise present in latent form throughout the cycle. In addition, a large number of neutrophils loaded with MMPs are recruited at menstruation through induction of chemokines, such as interleukin-8. At the secretory phase, progesterone repression of MMPs is mediated by transforming growth factor-β. Tissue inhibitors of metalloproteinases (TIMPs) are abundant at all phases of the cycle to prevent any undue MMP activity, but are likely overwhelmed at menstruation. At other phases of the cycle, MMPs can elude TIMP inhibition as exemplified by recruitment of active MMP-7 to the plasma membrane of epithelial cells, allowing processing of membrane-associated growth factors needed for epithelial repair and proliferation. Finally, receptor-mediated endocytosis through low density lipoprotein receptor-related protein-1 (LRP-1) efficiently clears MMP-2 and -9 at the proliferative and secretory phases. This mechanism is probably essential to prevent any excessive ECM degradation by the active form of MMP-2 that is permanently present. However, shedding of the ectodomain of LRP-1 specifically at menstruation prevents endocytosis of MMPs allowing full degradation of the ECM. Thus endometrial MMPs are regulated at the levels of transcription, release from infiltrating neutrophils, activation, binding to the cell membrane, inhibition by TIMPs and endocytic clearance by LRP-1. This allows tight control during endometrial growth and differentiation but results in a burst of activity for menstrual tissue breakdown. This article is part of a Special Issue entitled: Proteolysis 50 years after the discovery of lysosome.
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Laird SM, Widdowson R, El-Sheikhi M, Hall AJ, Li TC. Expression of CXCL12 and CXCR4 in human endometrium; effects of CXCL12 on MMP production by human endometrial cells. Hum Reprod 2011; 26:1144-52. [PMID: 21357602 DOI: 10.1093/humrep/der043] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Although several studies have suggested that CXCL12 and its receptor, CXCR4, may play a role in embryo implantation, there are limited reports of expression of CXCR4 and CXCL12 in human endometrium. The aim of this study was to investigate CXCL12 and CXCR4 expression in human endometrium and to see if CXCL12 could affect matrix metalloproteinase (MMP) production by endometrial stromal and epithelial cells. METHODS Quantitative real-time RT-PCR (qRT-PCR) was used to detect the expression of CXCL12 and CXCR4 mRNA in endometrial biopsy samples obtained from fertile women (n = 30). Immunohistochemical analysis was carried out to determine where in the endometrium CXCL12 and CXCR4 were expressed. Primary cell culture followed by qRT-PCR and zymography was used to investigate whether CXCL12 affected MMP-2 and -9 production by endometrial stromal and epithelial cells. RESULTS Both CXCL12 and CXCR4 were detected in the endometrium. There was no difference in CXCL12 expression at different times in the cycle, but expression of CXCR4 mRNA was significantly higher in the early proliferative (P < 0.01) compared with late proliferative and secretory phases of the cycle. CXCL12 expression was strongest in the epithelial compartment, and weaker in blood vessel walls. CXCR4 immunostaining was strong in the epithelium and blood vessel walls and weaker in the stroma. CXCL12 (10 and 100 ng/ml) had no effect on mRNA expression or activity of MMP-2 or MMP-9 in either stromal or epithelial cells. CONCLUSIONS The results show that the expression of CXCL12 in human endometrium does not alter during the menstrual cycle, while the endometrial expression of its receptor, CXCR4, is highest in the early proliferative phase. In contrast to its effects in other cells, CXCL12 had no effect on MMP-2 or MMP-9 production by endometrial stromal or epithelial cells.
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Affiliation(s)
- S M Laird
- Biomedical Research Centre, Sheffield Hallam University, City Campus, Sheffield S1 1WB, UK.
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Suresh PS, Jayachandra KC, Medhamurthy R. The effect of progesterone replacement on gene expression in the corpus luteum during induced regression and late luteal phase in the bonnet monkey (Macaca radiata). Reprod Biol Endocrinol 2011; 9:20. [PMID: 21291521 PMCID: PMC3038151 DOI: 10.1186/1477-7827-9-20] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2010] [Accepted: 02/03/2011] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND In higher primates, although LH/CG play a critical role in the control of corpus luteum (CL) function, the direct effects of progesterone (P4) in the maintenance of CL structure and function are unclear. Several experiments were conducted in the bonnet monkey to examine direct effects of P4 on gene expression changes in the CL, during induced luteolysis and the late luteal phase of natural cycles. METHODS To identify differentially expressed genes encoding PR, PR binding factors, cofactors and PR downstream signaling target genes, the genome-wide analysis data generated in CL of monkeys after LH/P4 depletion and LH replacement were mined and validated by real-time RT-PCR analysis. Initially, expression of these P4 related genes were determined in CL during different stages of luteal phase. The recently reported model system of induced luteolysis, yet capable of responsive to tropic support, afforded an ideal situation to examine direct effects of P4 on structure and function of CL. For this purpose, P4 was infused via ALZET pumps into monkeys 24 h after LH/P4 depletion to maintain mid luteal phase circulating P4 concentration (P4 replacement). In another experiment, exogenous P4 was supplemented during late luteal phase to mimic early pregnancy. RESULTS Based on the published microarray data, 45 genes were identified to be commonly regulated by LH and P4. From these 19 genes belonging to PR signaling were selected to determine their expression in LH/P4 depletion and P4 replacement experiments. These 19 genes when analyzed revealed 8 genes to be directly responsive to P4, whereas the other genes to be regulated by both LH and P4. Progesterone supplementation for 24 h during the late luteal phase also showed changes in expression of 17 out of 19 genes examined. CONCLUSION These results taken together suggest that P4 regulates, directly or indirectly, expression of a number of genes involved in the CL structure and function.
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Affiliation(s)
- Padmanaban S Suresh
- Department of Molecular Reproduction, Development and Genetics, Indian Institute of Science, Bangalore-560012, India
| | - Kadthur C Jayachandra
- Department of Molecular Reproduction, Development and Genetics, Indian Institute of Science, Bangalore-560012, India
| | - Rudraiah Medhamurthy
- Department of Molecular Reproduction, Development and Genetics, Indian Institute of Science, Bangalore-560012, India
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Affiliation(s)
- Lois A Salamonsen
- Prince Henry's Institute of Medical Research, Melbourne, Victoria 3168, Australia.
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Juhasz-Böss I, Hofele A, Lattrich C, Buchholz S, Ortmann O, Malik E. Matrix metalloproteinase messenger RNA expression in human endometriosis grafts cultured on a chicken chorioallantoic membrane. Fertil Steril 2010; 94:40-5. [DOI: 10.1016/j.fertnstert.2009.02.052] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2008] [Revised: 02/14/2009] [Accepted: 02/18/2009] [Indexed: 01/09/2023]
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King AE, Critchley HOD. Oestrogen and progesterone regulation of inflammatory processes in the human endometrium. J Steroid Biochem Mol Biol 2010; 120:116-26. [PMID: 20067835 DOI: 10.1016/j.jsbmb.2010.01.003] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2009] [Revised: 12/23/2009] [Accepted: 01/05/2010] [Indexed: 01/14/2023]
Abstract
The human endometrium is a unique tissue that has to undergo cycles of proliferation, differentiation, destruction and repair. This ensures that the endometrium is optimally prepared for potential embryo implantation but in the absence of an embryo, menstruation occurs to allow endometrial regeneration. These cycles of tissue remodelling occur under the sequential influence of the sex steroid hormones, oestrogen and progesterone. The physiological events of implantation and menstruation display features of inflammation, tightly regulated by oestrogen and progesterone. After menstruation cellular proliferation and blood vessel growth is modulated by oestrogen while after ovulation progesterone is the dominant hormone. In preparation for implantation, progesterone regulates decidualization of the endometrium, uterine natural killer cell numbers within the endometrium and chemokine and cytokine expression. Menstruation, in contrast, is preceded by progesterone withdrawal, which results in an influx of leukocytes into the endometrium and increased production of chemokines and matrix metalloproteinases allowing tissue degradation. The aim of this article is to review the current knowledge on the regulation of inflammatory events within the endometrium by oestrogen and progesterone, in relation to two pivotal events for human reproduction, implantation and menstruation.
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Affiliation(s)
- Anne E King
- University of Edinburgh, Centre for Reproductive Biology, The Queen's Medical Research Institute, United Kingdom
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Mönckedieck V, Sannecke C, Husen B, Kumbartski M, Kimmig R, Tötsch M, Winterhager E, Grümmer R. Progestins inhibit expression of MMPs and of angiogenic factors in human ectopic endometrial lesions in a mouse model. Mol Hum Reprod 2009; 15:633-43. [PMID: 19671596 DOI: 10.1093/molehr/gap063] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Progestins are successfully used in the treatment of endometriosis; however, the exact mechanisms of their action are still unsolved. We here focused on the effect of different progestins on parameters of extracellular matrix degradation and angiogenesis involved in the establishment and maintenance of ectopic endometrial lesions. Human endometrium was intraperitoneally transplanted into nude mice. After 7 and 28 days of treatment with progesterone, dydrogesterone, or its metabolite dihydrodydrogesterone, respectively, ectopic lesions were evaluated for proliferation and apoptosis. Expression of estrogen receptor alpha, progesterone receptor-AB, the angiogenetic factors, cysteine-rich angiogenic inducer (CYR61), basic fibroblast growth factor (bFGF), vascular endothelial growth factor (VEGFA) and the matrix metalloproteinase (MMP)-2, -3, -7 and -9 was investigated. Functional impact on angiogenesis was evaluated by density of microvessels and of vessels stabilized by pericytes within the ectopic lesions. Although dydrogesterone significantly reduced proliferation of endometrial stromal cells after 28 days, suppression of apoptosis was independent from progestins. Expression of MMP-2 was significantly reduced by all progestins and MMP-3 by dydrogesterone. In the grafted endometrial tissue, transcription of bFGF was suppressed by progesterone and dihydrodydrogesterone, and VEGFA and CYR61 by dihydrodydrogesterone and dydrogesterone. In parallel, microvessel density was slightly suppressed by progestins, whereas number of stabilized vessels increased. Thus, progestins regulate factors important for the establishment and maintenance of ectopic endometrial lesions.
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Affiliation(s)
- Verena Mönckedieck
- Institute of Molecular Biology, University Hospital Essen, 45122 Essen, Germany
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37
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Matrix metalloproteinases and their tissue inhibitors in endometrial remodelling and menstruation. ACTA ACUST UNITED AC 2009. [DOI: 10.1017/s0962279900001344] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The architecture of the human endometrium is extensively remodelled during the course of each normal menstrual cycle, unlike most other tissues and organs which undergo very little change during adult life. During menstruation, when loss of most of the functionalis layer occurs, there is concomitant epithelial regrowth; repair of the luminal surface is complete almost as bleeding ceases. During the proliferative phase of the cycle and under the influence of rising oestrogen levels, the stromal cells, glands and blood vessels undergo rapid proliferation which results in tissue thickening. Following ovulation (around day 14 of the idealized 28-day cycle), the secretory phase of the cycle is characterized by increasing tortuosity of the spiral arterioles and glands and increased glandular secretory activity. After about day 22, decidualization of many of the stromal fibroblasts also occurs, the resultant decidual cells having many characteristics typical of epithelial cells. Periods of tissue oedema are apparent both in mid-proliferative (days 8–11) and mid-secretory (days 20–23) endometrium. Late in the cycle, there is regression of the tissue as menstruation is initiated.
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38
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Babischkin JS, Bonagura TW, Udoff LC, Vergara CO, Johnson HW, Atlas RO, Pepe GJ, Albrecht ED. Estrogen stimulates the human endometrium to express a factor(s) that promotes vascular smooth muscle cell migration as an early step in microvessel remodeling. Endocrine 2009; 35:81-8. [PMID: 19016353 PMCID: PMC2792122 DOI: 10.1007/s12020-008-9128-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2008] [Revised: 10/13/2008] [Accepted: 10/21/2008] [Indexed: 02/03/2023]
Abstract
Vascular smooth muscle cell (VSMC) migration is a pivotal early step in blood vessel remodeling; however, very little is known about the regulation of this process in the human endometrium during the menstrual cycle. In this study, explants of human endometrium were incubated with estradiol and/or progesterone and the conditioned medium (CM) applied to cultures of VSMC to test the hypothesis that estrogen and progesterone stimulate endometrial cells to secrete a factor(s) that promotes VSMC migration. Endometrial explants were composed of highly organized glands and stroma. VSMC migration (cells migrated in 21 h/mm(2) fibronectin-coated semipermeable membrane) in the presence of CM from human endometrial explants obtained in the proliferative phase of the menstrual cycle and incubated for 24 h with estradiol was approximately threefold greater (P < 0.001) than with medium alone and greater (P < 0.05) than with CM from explants treated with estradiol plus progesterone or progesterone. It is concluded, therefore, that estrogen stimulates endometrial secretion of a factor(s) that promotes VSMC migration as an early step in vessel remodeling within the endometrium.
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MESH Headings
- Angiogenesis Inducing Agents/metabolism
- Angiopoietin-1/genetics
- Angiopoietin-1/metabolism
- Angiopoietin-1/physiology
- Cell Movement/drug effects
- Cell Movement/genetics
- Cells, Cultured
- Culture Media, Conditioned/metabolism
- Culture Media, Conditioned/pharmacology
- Endometrium/blood supply
- Endometrium/drug effects
- Endometrium/metabolism
- Estradiol/pharmacology
- Female
- Follicular Phase/genetics
- Follicular Phase/metabolism
- Follicular Phase/physiology
- Gene Expression/drug effects
- Humans
- Luteal Phase/genetics
- Luteal Phase/metabolism
- Luteal Phase/physiology
- Microvessels/drug effects
- Microvessels/metabolism
- Microvessels/physiology
- Muscle, Smooth, Vascular/drug effects
- Muscle, Smooth, Vascular/metabolism
- Muscle, Smooth, Vascular/physiology
- Myocytes, Smooth Muscle/drug effects
- Myocytes, Smooth Muscle/metabolism
- Myocytes, Smooth Muscle/physiology
- Regeneration/drug effects
- Regeneration/genetics
- Time Factors
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Affiliation(s)
- Jeffery S. Babischkin
- Department of Obstetrics, Gynecology and Reproductive Sciences, Center for Studies in Reproduction, University of Maryland School of Medicine, Bressler Research Laboratories 11-019, 655 West Baltimore Street, Baltimore, MD 21201, USA
| | - Thomas W. Bonagura
- Department of Obstetrics, Gynecology and Reproductive Sciences, Center for Studies in Reproduction, University of Maryland School of Medicine, Bressler Research Laboratories 11-019, 655 West Baltimore Street, Baltimore, MD 21201, USA
| | - Laurence C. Udoff
- Department of Obstetrics, Gynecology and Reproductive Sciences, Center for Studies in Reproduction, University of Maryland School of Medicine, Bressler Research Laboratories 11-019, 655 West Baltimore Street, Baltimore, MD 21201, USA
| | - Christine O. Vergara
- Department of Obstetrics and Gynecology, Mercy Medical Center, Baltimore, MD, USA
| | - Harry W. Johnson
- Department of Obstetrics, Gynecology and Reproductive Sciences, Center for Studies in Reproduction, University of Maryland School of Medicine, Bressler Research Laboratories 11-019, 655 West Baltimore Street, Baltimore, MD 21201, USA
| | - Robert O. Atlas
- Department of Obstetrics and Gynecology, Mercy Medical Center, Baltimore, MD, USA
| | - Gerald J. Pepe
- Department of Physiological Sciences, Eastern Virginia Medical School, Norfolk, VA, USA
| | - Eugene D. Albrecht
- Department of Obstetrics, Gynecology and Reproductive Sciences, Center for Studies in Reproduction, University of Maryland School of Medicine, Bressler Research Laboratories 11-019, 655 West Baltimore Street, Baltimore, MD 21201, USA
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39
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Fogle RH, Li A, Paulson RJ. Modulation of HOXA10 and other markers of endometrial receptivity by age and human chorionic gonadotropin in an endometrial explant model. Fertil Steril 2009; 93:1255-9. [PMID: 19131054 DOI: 10.1016/j.fertnstert.2008.11.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2008] [Revised: 11/14/2008] [Accepted: 11/14/2008] [Indexed: 12/18/2022]
Abstract
OBJECTIVE To characterize the endometrial response to human chorionic gonadotropin (hCG), as influenced by uterine age, using endometrial receptivity markers including HOXA10, vascular endothelial growth factor (VEGF), and glycodelin in an endometrial explant culture system. DESIGN In vitro molecular biology research. SETTING Academic infertility clinic and molecular biology laboratory. PATIENT(S) Fourteen prospective recipients of egg donation (mean age, 44 +/- 8 years). INTERVENTION(S) Subjects received cyclical estrogen (E(2)) and progesterone (P(4)) and underwent an endometrial biopsy on day 7 of P(4). Endometrial biopsy samples were cut into 1-mm(3) pieces and cultured in Dulbecco's modified Eagle's medium/Ham's F-12 with E(2) and P(4), without (control) or with hCG (400, 4000, and 40,000 mIU/mL) on Millicell-CM inserts for 24 hours. MAIN OUTCOME MEASURE(S) Explant viability was assessed using immunohistochemistry (IHC). Semiquantitative polymerase chain reaction was performed to evaluate relative gene expression via mRNA levels of HOXA10, VEGF, and glycodelin. RESULT(S) Explant viability was confirmed on IHC by histology and Ki-67 staining, a marker of proliferation. HOXA10, VEGF, and glycodelin gene expression increased at all concentrations of hCG over those of controls. HOXA10 gene expression was inversely correlated with age (-0.08- +/- 0.03-fold decrease in gene expression/year of age). CONCLUSION(S) The endometrial explant culture system is a promising model for the study of endometrial response as it maintains interactions among the stroma, glands, and epithelium. HOXA10, VEGF, and glycodelin all demonstrated increased gene expression in response to increasing hCG concentrations, supporting the role of hCG as a candidate protein for blastocyst-endometrial communication. Statistically significant associations between age and expression of HOXA10 provide novel evidence that uterine age may play a role in endometrial response on a molecular level.
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Affiliation(s)
- Robin H Fogle
- Atlanta Center for Reproductive Medicine, 5909 Peachtree Dunwoody Road, Suite 720, Atlanta, Georgia 30328, USA.
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40
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Brun JL, Galant C, Delvaux D, Lemoine P, Henriet P, Courtoy PJ, Marbaix E. Menstrual activity of matrix metalloproteinases is decreased in endometrium regenerating after thermal ablation. Hum Reprod 2008; 24:333-40. [PMID: 19049990 DOI: 10.1093/humrep/den392] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Menstruation is associated with a striking increase in matrix metalloproteinase (MMP) activity. However, it is still unknown whether the level of MMP activity correlates with the amount of menstrual bleeding. METHODS We used histochemistry to investigate the degradation of the extracellular matrix (ECM), and immunohistochemical labelling and zymographic analysis to determine the level of expression and activity of MMP-2 and -9, and of their tissue inhibitors (TIMPs) -1, -2 and -3, in endometria sampled during menstruation in 14 women experiencing excessive menstrual bleeding and in 10 women successfully treated for menorrhagia by thermal ablation of the endometrium. RESULTS After thermal ablation, regenerated menstrual endometria showed reduced areas of collagen fibre lysis and increased content of TIMP-1 and TIMP-2 compared with endometria from non-treated menorrhagic women. Surprisingly, treated endometria contained more latent gelatinase A (proMMP-2) but a lower proportion of the active form of gelatinase B (MMP-9) than non-treated endometria. CONCLUSIONS These results suggest that ECM degradation is decreased at menstruation in the endometrium regenerated after thermal ablation, mostly because of an increased TIMP expression. This represents the first molecular explanation for the decreased amount of menstrual bleeding.
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Affiliation(s)
- J L Brun
- Department of Gynaecology and Obstetrics, Hôpital Universitaire Pellegrin, Place Amélie-Raba-Léon, F-33076 Bordeaux, France.
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41
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Nothnick WB. Regulation of uterine matrix metalloproteinase-9 and the role of microRNAs. Semin Reprod Med 2008; 26:494-9. [PMID: 18951331 DOI: 10.1055/s-0028-1096129] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Controlled expression of matrix metalloproteinase-9 (MMP9) is vital for normal uterine physiology, whereas abnormal expression of MMP9 is associated with uterine disease. Despite the importance of MMP9 within the uterus, its regulation is poorly understood. In this review, the complex regulation of MMP9 within the uterus is highlighted, and the potential novel role of microRNAs in the regulation of this protease is discussed. Emphasis is placed on the necessity to enhance our understanding of the regulation of MMP9 expression, which may lead to the establishment of novel approaches to counteract misexpression of this protease and the diseases associated with it.
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Affiliation(s)
- Warren B Nothnick
- Departments of Obstetrics & Gynecology and Molecular & Integrative Physiology, University of Kansas Medical Center, Kansas City, Kansas 66160, USA.
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42
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Paul S, Sharma AV, Mahapatra PD, Bhattacharya P, Reiter RJ, Swarnakar S. Role of melatonin in regulating matrix metalloproteinase-9 via tissue inhibitors of metalloproteinase-1 during protection against endometriosis. J Pineal Res 2008; 44:439-49. [PMID: 18298469 DOI: 10.1111/j.1600-079x.2007.00547.x] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Endometriosis is a gynecological disease of women and plausibly regulated by matrix metalloproteinases (MMPs). However, mechanisms of alterations in MMPs during endometriosis remain unclear. Human endometriotic tissues possessing varying degrees of severity were examined for expression of MMPs and tissue inhibitors of metalloproteinase (TIMP)-1. In addition, endometriosis was generated in mice and endometriotic tissues were tested for MMP-9 activity. Results show significant upregulation of secreted and synthesized proMMP-9 activity with duration and severity of endometriosis. Along with upregulation of activity, the expression of proMMP-9 was found increased while TIMP-1 expression followed an inverse trend. The effect of melatonin, a major secretory product of the pineal gland, on endometriosis was examined in preventive and therapeutic models in mice. The results show that melatonin arrested lipid peroxidation and protein oxidation and downregulated proMMP-9 activity and expression in a time and dose-dependent manner while protecting and regressing peritoneal endometriosis. Moreover, the attenuated activity and expression of proMMP-9 were associated with subsequent elevation in the expression of TIMP-1. Our study reveals for the first time the role of melatonin in arresting peritoneal endometriosis in mice and a novel marker, expression ratio of proMMP-9 versus TIMP-1, was identified for assessing severity and progression of endometriosis.
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Affiliation(s)
- Sumit Paul
- Department of Physiology, Indian Institute of Chemical Biology, Kolkata, India
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43
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Beceriklisoy HB, Walter I, Schäfer-Somi S, Miller I, Kanca H, Izgür H, Aslan S. Matrix metalloproteinase (MMP)-2 and MMP-9 activity in the canine uterus before and during placentation. Reprod Domest Anim 2008; 42:654-9. [PMID: 17976075 DOI: 10.1111/j.1439-0531.2006.00838.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The aim of the present study was to demonstrate the presence and localization of MMP-2 and -9 by means of RT-PCR and immunohistochemistry (IHC) within the canine uterus from the pre-implantation stage until mid-gestation and to determine MMP-2 and -9 activities by means of zymography. For this purpose, samples of the uterus and salpinx from bitches were obtained after ovariohysterectomy. Pre-implantation stages (5-12 days after mating, n = 11) were determined by verifying embryos after flushing the uterus. Further groups were determined as implantation (15-19 days after mating, n = 9), post-implantation (20-30 days after mating, n = 9) and placental stages (30-45 days after mating, n = 3). A non-pregnant group (17-30 days after mating, n = 4) served as control. MMP-2 and -9 positive cells were detected in all specimens from pregnant and nonpregnant bitches, however, with different distributions. MMP-2 was present in endothelium and smooth muscles of blood vessels and the myometrium of pregnant and nonpregnant bitches, additionally in the surface epithelium of the oviduct. The latter also stained positive for MMP-9. During placentation, MMP-2 was detected mainly in fetal blood vessels and trophoblastic cells. Higher MMP-2 activity was observed in the endometrium and myometrium of all pregnant groups compared with the nonpregnant group (p < 0.05). The pregnant groups did not differ significantly from each other (p > 0.05). MMP-9 was present in blood vessels, smooth muscle cells and epithelia, such as maternal surface epithelial cells, uterine crypts and glands. During placentation, the deep uterine glands and the epithelium of the glandular chambers were immunoreactive to MMP-9. Highest MMP-9 activities were reached in the endometrium of the pre-implantation group (23.2% of total MMP-9) and placental parts (33.3%).
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Affiliation(s)
- H B Beceriklisoy
- Department for Obstetrics and Gynecology, Graduate School of Health Sciences Institute, Faculty of Veterinary Medicine, University of Ankara, Diskapi, Ankara, Turkey
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44
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Gong J, Zhao Y, Abdel-Fattah R, Amos S, Xiao A, Lopes MBS, Hussaini IM, Laws ER. Matrix metalloproteinase-9, a potential biological marker in invasive pituitary adenomas. Pituitary 2008; 11:37-48. [PMID: 17768685 DOI: 10.1007/s11102-007-0066-2] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECT We analyzed MMP-9 expression using mRNA and protein level determinations and explored the possibility that matrix metalloproteinase-9 (MMP-9) is a potential biological marker of pituitary adenoma invasiveness and whether MMP-9 could be used to discriminate the extent of invasiveness among different hormonal subtypes, tumor sizes, growth characteristics, and primary versus recurrent tumors. MATERIALS AND METHODS 73 pituitary tumor specimens were snap frozen in liquid nitrogen immediately after surgical resection. RNA and protein were extracted. MMP-9 mRNA transcripts were analyzed by quantitative RT-PCR. MMP-9 protein activity was analyzed by gelatin zymography and validated by western blot analysis. Immunohistochemistry was performed to identify the presence and localization of MMP-9 in pituitary adenomas. Statistical differences between results were determined using Student's t-test or one way ANOVA. RESULTS Comparing different hormonal subtypes of noninvasive and invasive pituitary tumors, MMP-9 mRNA expression was significantly increased in the majority of invasive adenomas. Considering the protein levels, our data also showed a significant increase in MMP-9 activity in the majority of invasive adenomas and these differences were confirmed by western blot analysis and immunohistochemistry. In addition, consistent differences in MMP-9 expression levels were found according to tumor subtype, tumor size, tumor extension and primary versus redo-surgery. CONCLUSIONS MMP-9 expression can consistently distinguish invasive pituitary tumors from noninvasive pituitary tumors and would reflect the extent of invasiveness in pituitary tumors according to tumor subtype, size, tumor extension, primary and redo surgery, even at early stages of invasiveness. MMP-9 may be considered a potential biomarker to determine and predict the invasive nature of pituitary tumors.
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Affiliation(s)
- Jian Gong
- Department of Neurosurgery, University of Virginia Health System, Charlottesville, VA 22903, USA.
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45
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Druckmann R. Long-term use of progestogens--getting the balance right: molecular biology and the endometrium. Gynecol Endocrinol 2007; 23 Suppl 1:53-61. [PMID: 17943540 DOI: 10.1080/09513590701585045] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
The role of progestins in long-term treatment has recently been under scrutiny, in particular as their effects on organs other than the endometrium, such as the breast or the cardiovascular system, could give rise to undesirable reactions. The use of progestins in hormone replacement therapy has highlighted the importance of choice of progestin. Insights into the molecular biology of normal processes in the endometrium can help to find accurate markers for progestin effects and help select progestins with a better benefit-risk profile. Such insight can also lead to a better understanding of the etiology of menstrual and fertility disorders and ultimately to new therapeutic approaches.
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46
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Nasr HB, Mestiri S, Chahed K, Bouaouina N, Gabbouj S, Jalbout M, Chouchane L. Matrix metalloproteinase-1 (-1607) 1G/2G and -9 (–1562) C/T promoter polymorphisms: Susceptibility and prognostic implications in nasopharyngeal carcinomas. Clin Chim Acta 2007; 384:57-63. [PMID: 17599818 DOI: 10.1016/j.cca.2007.05.018] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2007] [Revised: 05/23/2007] [Accepted: 05/23/2007] [Indexed: 11/18/2022]
Abstract
BACKGROUND Matrix metalloproteinases (MMPs) are proteolytic enzymes that play important roles in tumor invasion and metastasis by degrading extracellular matrix components. Genetic variations in promoter regions of MMP genes, affecting their expression, have been associated with susceptibility to cancers. The aim of this study was to investigate the susceptibility and prognostic implications of the MMP-1 (-1607) 1G/2G and MMP-9 (-1562) C/T polymorphisms in nasopharyngeal carcinomas. METHODS The variation of the MMP-1 and MMP-9 promoter regions in 174 patients with NPC and 171 healthy control subjects was investigated. Association of the clinico-pathologic parameters and the genetic markers with the rates of the nasopharyngeal carcinoma-specific overall survival and the disease-free survival were assessed using univariate and multivariate analyses. RESULTS No association was found between genetic variation in MMP-9 and the risk of NPC occurrence. In contrast, a significantly increased risk of NPC was associated with the homozygous MMP-1 (-1607) 2G2G genotype (OR=2.27; p=0.02). A significant association was also found between the 2G2G genotype and the aggressive forms of NPC as defined by large tumor size (T3-T4), lymph node metastasis and advanced stages (III-IV) at the time of diagnosis. Moreover, an association was ascertained between the MMP-1 polymorphism and gender (OR=2.90; p=0.02). In univariate analysis, the MMP-1 (-1607) 2G allele showed a significant association with reduced disease-free survival for NPC patients (p=0.03). CONCLUSIONS The genetic variation in MMP-1 may represent a marker for the increased risk of nasopharyngeal carcinoma.
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Affiliation(s)
- Hela Ben Nasr
- Laboratoire d'Immuno-Oncologie Moléculaire, Faculté de Médecine de Monastir, 5019 Monastir, Tunisia.
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47
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Ben Nasr H, Chahed K, Mestiri S, Bouaouina N, Snoussi K, Chouchane L. Association of IL-8 (−251)T/A polymorphism with susceptibility to and aggressiveness of nasopharyngeal carcinoma. Hum Immunol 2007; 68:761-9. [PMID: 17869651 DOI: 10.1016/j.humimm.2007.06.006] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2007] [Revised: 06/04/2007] [Accepted: 06/19/2007] [Indexed: 01/29/2023]
Abstract
Interleukin-8 (IL-8) is an angiogenic chemokine that plays a potent role in both development and progression of many human malignancies including nasopharyngeal carcinoma (NPC). In the present study, we evaluated the susceptibility and prognostic implications of the (-251) T/A genetic variation in IL-8 in NPC. We used the allele-specific polymerase chain reaction to characterize the variation of the IL-8 promoter region for 160 unrelated Tunisian patients with NPC and 169 healthy control subjects. There was a significant association between the homozygotes IL-8 (-251) AA genotype and nasopharyngeal carcinoma (OR = 2.46; P = 0.004). The presence of the IL-8 (-251) AA genotype was highly associated with elevated NPC risk for male patients. A significant association was demonstrated between the IL-8 (-251) AA genotype and the aggressive forms of NPC as defined by large tumor size, lymph node metastasis, and advanced stages. Moreover, the presence of the IL-8 (-251) AA genotype indicated a significant association with decreased overall survival. Our findings suggest that the IL-8 promoter polymorphism is associated with increased nasopharyngeal carcinoma risk, particularly in males, as well as disease progress, supporting our hypothesis for IL-8 involvement in NPC pathogenesis.
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Affiliation(s)
- Hela Ben Nasr
- Laboratoire d'Immuno-Oncologie Moléculaire, Faculté de Médecine de Monastir, Monastir, Tunisia.
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48
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Ishikawa T, Harada T, Kubota T, Aso T. Testosterone inhibits matrix metalloproteinase-1 production in human endometrial stromal cells in vitro. Reproduction 2007; 133:1233-9. [PMID: 17636177 DOI: 10.1530/rep.1.01089] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Androgen receptor (AR) is reported to be expressed in human uterine endometrium, but not much information is available on the role of androgens in human endometrium. The purpose of this study is to investigate the role of androgens in the regulation of matrix metalloproteinase (MMP)-1, which is one of the important MMPs for menstruation and embryo implantation in human endometrium. Human endometrial stromal cells (HESCs) were obtained from human endometrium by enzymatic dissociation method. Purified HESCs were incubated with 17β-estradiol (E2), testosterone, or E2 + testosterone. Progestins (natural progesterone or medroxyprogesterone acetate) or vehicle (dimethyl sulfoxide) were also added to the media instead of testosterone. Furthermore, hydroxyflutamide (FLU),a specific AR antagonist, was also supplemented to cultured media. The amounts of MMP-1 in cultured media and in HESC lysates were examined by ELISA measurements and western blotting analysis respectively. The expression of ARmRNA in HESCs RNA was analyzed by RT-PCR. Testosterone significantly inhibited MMP-1 in both cultured media and cell lysates in a dose-dependent manner. Progestins also inhibited MMP-1. Furthermore, FLU completely recovered the decrease of MMP-1 induced by testosterone. ARmRNA was detected in all HESCs RNA. The present study demonstrated that the secretion and production of MMP-1 in HESCsin vitrowere inhibited by testosterone through androgen receptors in a manner similar to that seen for progesterone. These findings indicate that androgen may play an important role in morphological and functional changes of human endometrium.
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Affiliation(s)
- Tomonori Ishikawa
- Comprehensive Reproductive Medicine, Graduate School, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyo-ku, Tokyo 113-8519, Japan.
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49
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Dassen H, Punyadeera C, Kamps R, Klomp J, Dunselman G, Dijcks F, de Goeij A, Ederveen A, Groothuis P. Progesterone regulation of implantation-related genes: new insights into the role of oestrogen. Cell Mol Life Sci 2007; 64:1009-32. [PMID: 17404688 PMCID: PMC2778656 DOI: 10.1007/s00018-007-6553-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Genomic profiling was performed on explants of late proliferative phase human endometrium after 24-h treatment with progesterone (P) or oestradiol and progesterone (17β-E2+P) and on explants of menstrual phase endometrium treated with 17β-E2+P. Gene expression was validated with real-time PCR in the samples used for the arrays, in endometrium collected from early and mid-secretory phase endometrium, and in additional experiments performed on new samples collected in the menstrual and late proliferative phase. The results show that late proliferative phase human endometrium is more responsive to progestins than menstrual phase endometrium, that the expression of several genes associated with embryo implantation (i.e. thrombomodulin, monoamine oxidase A, SPARC-like 1) can be induced by P in vitro, and that genes that are fully dependent on the continuous presence of 17β-E2 during P exposure can be distinguished from those that are P-dependent to a lesser extent. Therefore, 17β-E2 selectively primes implantation-related genes for the effects of P.
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Affiliation(s)
- H. Dassen
- Research Institute GROW, Maastricht University, Maastricht, The Netherlands
- Department of Pathology, Maastricht University, Maastricht, The Netherlands
| | - C. Punyadeera
- Research Institute GROW, Maastricht University, Maastricht, The Netherlands
- Department of Pathology, Maastricht University, Maastricht, The Netherlands
- Department of Molecular Diagnostics, Philips Research, High Tech Campus 11, Room 1.1.40, 5656 AE Eindhoven, The Netherlands
| | - R. Kamps
- Research Institute GROW, Maastricht University, Maastricht, The Netherlands
- Department of Pathology, Maastricht University, Maastricht, The Netherlands
| | - J. Klomp
- Department of Pharmacology, Organon N.V., Oss, The Netherlands
| | - G. Dunselman
- Research Institute GROW, Maastricht University, Maastricht, The Netherlands
- Department of Obstetrics and Gynaecology, University Hospital Maastricht/Maastricht University, Maastricht, The Netherlands
| | - F. Dijcks
- Department of Pharmacology, Organon N.V., Oss, The Netherlands
| | - A. de Goeij
- Research Institute GROW, Maastricht University, Maastricht, The Netherlands
- Department of Pathology, Maastricht University, Maastricht, The Netherlands
| | - A. Ederveen
- Department of Pharmacology, Organon N.V., Oss, The Netherlands
| | - P. Groothuis
- Research Institute GROW, Maastricht University, Maastricht, The Netherlands
- Department of Obstetrics and Gynaecology, University Hospital Maastricht/Maastricht University, Maastricht, The Netherlands
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Abstract
Although the relationship between breast cancer and hormones has been known for almost two centuries, it is only during the last 16 years that evidence suggesting the hormonal profile of the patient at the time of surgery can affect the outcome, came to light. A series of studies investigated the hypothesis that unopposed estrogen (observed during the follicular phase of the cycle) may adversely affect the overall and/or disease-free survival of women operated on at that time. The findings have been, at times, contradictory. The retrospective nature of the studies, poor recording of last menstrual period, small study size, and the possible effect of the timing of the diagnostic procedures (cytology or core biopsy) on the outcome may be responsible for the conflicting results. Despite this, more sophisticated studies based on pathological or hormonal observations/measurements, confirmed the relation of luteal phase surgery to better outcome. Estrogen-induced increased protease activity activates a cascade of proteolysis and allows the more discohesive tumor cells to gain access to the circulation. Moreover, disseminated cells might be able to proliferate easier because of several estrogen-dependent growth factors. Diminished immune function during the follicular phase, because of natural killer cell activity and mononuclear cell phagocytic activity down-regulation may also be implicated in the dissemination of viable tumor cells. Taken together these findings provide a framework for explaining the observation that luteal phase surgery can lead to an improved outcome. By altering the perioperative hormonal milieu it may be possible to reduce deaths from breast cancer in a simple and nontoxic manner.
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Affiliation(s)
- Michael Kontos
- Hedley Atkins Breast Unit, Guy's and St Thomas' NHS Trust, London, United Kingdom
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