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Tsyndrenko N, Lyndіn M, Sikora K, Wireko AA, Abdul-Rahman T, Hyriavenko N, Romaniuk A. ER and COX2 expression in endometrial hyperplasia processes. Medicine (Baltimore) 2023; 102:e34864. [PMID: 37603513 PMCID: PMC10443758 DOI: 10.1097/md.0000000000034864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 07/31/2023] [Indexed: 08/23/2023] Open
Abstract
Endometrial hyperplastic processes (EHPs) encompass various morphological changes, characterized by an increased ratio of endometrial glands to stroma. These changes manifest as endometrial hyperplasia (EH) and endometrial polyps. The objective of this study was to investigate the expressions of ER and Cyclooxygenase-2 (COX2) in EH and endometrial polyps, and determine their correlation with histological and anthropometric parameters. Tissue samples were obtained during hysteroresectoscopy and divided into 3 groups: non-atypical EH, glandular EP, and glandular-fibrous EP. We examined the immunoprofile of epithelial and stromal cells using rabbit polyclonal anti-COX2 antibodies and rabbit monoclonal anti-ER antibodies (clone SP1). Our results indicate that there is no association between the expressions of ER and COX2 and the type of EHP. Furthermore, the expression levels of ER and COX2 are not influenced by the patients anthropometric parameters. However, tissues with EHPs exhibited significantly higher COX2 expression compared to intact tissues. We also observed a direct correlation between ER and COX2 expression in the endometrial epithelium. The variability in ER and COX2 expressions observed in hyperplastic processes of the endometrium potentially suggests their synergistic involvement in the initiation and progression of EHPs, as well as their potential role in subsequent tumor transformation.
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Affiliation(s)
| | - Mykola Lyndіn
- Sumy State University, Sumy, Ukraine
- Institute of Anatomy, Medical Faculty, University of Duisburg-Essen, Essen, Germany
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Tempest N, Hill CJ, Maclean A, Marston K, Powell SG, Al-Lamee H, Hapangama DK. Novel microarchitecture of human endometrial glands: implications in endometrial regeneration and pathologies. Hum Reprod Update 2021; 28:153-171. [PMID: 34875046 PMCID: PMC8888994 DOI: 10.1093/humupd/dmab039] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/15/2021] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Human endometrium remains a poorly understood tissue of the female reproductive tract. The superficial endometrial functionalis, the site of embryo implantation, is repeatedly shed with menstruation, and the stem cell-rich deeper basalis is postulated to be responsible for the regeneration of the functionalis. Two recent manuscripts have demonstrated the 3D architecture of endometrial glands. These manuscripts have challenged and replaced the prevailing concept that these glands end in blind pouches in the basalis layer that contain stem cells in crypts, as in the intestinal mucosa, providing a new paradigm for endometrial glandular anatomy. This necessitates re-evaluation of the available evidence on human endometrial regeneration in both health and disease in the context of this previously unknown endometrial glandular arrangement. OBJECTIVE AND RATIONALE The aim of this review is to determine if the recently discovered glandular arrangement provides plausible explanations for previously unanswered questions related to human endometrial biology. Specifically, it will focus on re-appraising the theories related to endometrial regeneration, location of stem/progenitor cells and endometrial pathologies in the context of this recently unravelled endometrial glandular organization. SEARCH METHODS An extensive literature search was conducted from inception to April 2021 using multiple databases, including PubMed/Web of Science/EMBASE/Scopus, to select studies using keywords applied to endometrial glandular anatomy and regeneration, and the references included in selected publications were also screened. All relevant publications were included. OUTCOMES The human endometrial glands have a unique and complex architecture; branched basalis glands proceed in a horizontal course adjacent to the myometrium, as opposed to the non-branching, vertically coiled functionalis glands, which run parallel to each other as is observed in intestinal crypts. This complex network of mycelium-like, interconnected basalis glands is demonstrated to contain endometrial epithelial stem cells giving rise to single, non-branching functionalis glands. Several previous studies that have tried to confirm the existence of epithelial stem cells have used methodologies that prevent sampling of the stem cell-rich basalis. More recent findings have provided insight into the efficient regeneration of the human endometrium, which is preferentially evolved in humans and menstruating upper-order primates. WIDER IMPLICATIONS The unique physiological organization of the human endometrial glandular element, its relevance to stem cell activity and scarless endometrial regeneration will inform reproductive biologists and clinicians to direct their future research to determine disease-specific alterations in glandular anatomy in a variety of endometrial pathological conditions.
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Affiliation(s)
- Nicola Tempest
- Department of Women's and Children's Health, Centre for Women's Health Research, Institute of Life Course and Medical Sciences, University of Liverpool, Member of Liverpool Health Partners, Liverpool, UK.,Liverpool Women's NHS Foundation Trust, Member of Liverpool Health Partners, Liverpool, UK.,Hewitt Centre for Reproductive Medicine, Liverpool Women's NHS Foundation Trust, Liverpool, UK
| | - Christopher J Hill
- Department of Women's and Children's Health, Centre for Women's Health Research, Institute of Life Course and Medical Sciences, University of Liverpool, Member of Liverpool Health Partners, Liverpool, UK
| | - Alison Maclean
- Department of Women's and Children's Health, Centre for Women's Health Research, Institute of Life Course and Medical Sciences, University of Liverpool, Member of Liverpool Health Partners, Liverpool, UK.,Liverpool Women's NHS Foundation Trust, Member of Liverpool Health Partners, Liverpool, UK
| | - Kathleen Marston
- Department of Women's and Children's Health, Centre for Women's Health Research, Institute of Life Course and Medical Sciences, University of Liverpool, Member of Liverpool Health Partners, Liverpool, UK
| | - Simon G Powell
- Department of Women's and Children's Health, Centre for Women's Health Research, Institute of Life Course and Medical Sciences, University of Liverpool, Member of Liverpool Health Partners, Liverpool, UK
| | - Hannan Al-Lamee
- Department of Women's and Children's Health, Centre for Women's Health Research, Institute of Life Course and Medical Sciences, University of Liverpool, Member of Liverpool Health Partners, Liverpool, UK.,Liverpool Women's NHS Foundation Trust, Member of Liverpool Health Partners, Liverpool, UK.,Hewitt Centre for Reproductive Medicine, Liverpool Women's NHS Foundation Trust, Liverpool, UK
| | - Dharani K Hapangama
- Department of Women's and Children's Health, Centre for Women's Health Research, Institute of Life Course and Medical Sciences, University of Liverpool, Member of Liverpool Health Partners, Liverpool, UK.,Liverpool Women's NHS Foundation Trust, Member of Liverpool Health Partners, Liverpool, UK
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Oplawski M, Dziobek K, Zmarzły N, Grabarek BO, Kiełbasiński R, Kieszkowski P, Januszyk P, Talkowski K, Schweizer M, Kras P, Plewka A, Boroń D. Variances in the Level of COX-2 and iNOS in Different Grades of Endometrial Cancer. Curr Pharm Biotechnol 2020; 21:52-59. [PMID: 31533599 DOI: 10.2174/1389201020666190918104105] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 08/30/2019] [Accepted: 09/01/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Many experimental studies have demonstrated the importance of COX-2 in the tumor angiogenesis. Inducible iNOS is responsible for a high and stable level of nitric oxide and is expressed in response to pro-inflammatory factors. OBJECTIVE The aim of this study was to evaluate the expression of COX-2 and iNOS at the protein level and to assess their potential prognostic significance in patients with endometrial cancer. METHODS The study group consisted of 45 women with endometrial cancer divided according to the degree of histological differentiation i.e. G1, 17; G2, 15; G3, 13. The control group consisted of 15 women without neoplastic changes. The expression of studied proteins was determined immunohistochemically with specific polyclonal antibodies. RESULTS Analysis of the COX-2 expression showed that the optical density of the reaction product in G1 reached 186% in the control group, while the values in G2 and G3 reached 243% and 293%, respectively. In the case of iNOS, the optical density of the reaction product reached the following percentages in the control group: 147% in G1, 243% in G2, and 241% in G3. CONCLUSION Our findings suggest that changes in the expression of COX-2 and iNOS may be potentially useful in predicting the progression of endometrial cancer and treatment effectiveness.
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Affiliation(s)
- Marcin Oplawski
- Department of Gynecology and Obstetrics with Gynecologic Oncology, Ludwik Rydygier Memorial Specialized Hospital, Kraków, Poland.,Katowice School of Technology, The University of Science and Art in Katowice, Katowice, Poland
| | - Konrad Dziobek
- Center of Oncology, M. Sklodowska-Curie Memorial Institute, Cracow Branch, Cracow, Poland
| | - Nikola Zmarzły
- Katowice School of Technology, The University of Science and Art in Katowice, Katowice, Poland.,Department of Molecular Biology, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Katowice, Poland
| | - Beniamin O Grabarek
- Katowice School of Technology, The University of Science and Art in Katowice, Katowice, Poland.,Center of Oncology, M. Sklodowska-Curie Memorial Institute, Cracow Branch, Cracow, Poland.,Department of Molecular Biology, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Katowice, Poland
| | - Robert Kiełbasiński
- Department of Obstetrics & Gynaecology Ward, Health Center in Mikołów, Mikołów, Poland
| | | | - Piotr Januszyk
- Katowice School of Technology, The University of Science and Art in Katowice, Katowice, Poland
| | - Karol Talkowski
- University of Warmia and Mazury in Olsztyn, Department of Psychiatry, Olsztyn, Poland
| | - Michał Schweizer
- Center of Oncology, M. Sklodowska-Curie Memorial Institute, Cracow Branch, Cracow, Poland
| | - Piotr Kras
- Department of Gynecology and Obstetrics with Gynecologic Oncology, Ludwik Rydygier Memorial Specialized Hospital, Kraków, Poland
| | - Andrzej Plewka
- Faculty of Health Science, Public Higher Medical Professional School in Opole, Opole, Poland
| | - Dariusz Boroń
- Department of Gynecology and Obstetrics with Gynecologic Oncology, Ludwik Rydygier Memorial Specialized Hospital, Kraków, Poland.,Katowice School of Technology, The University of Science and Art in Katowice, Katowice, Poland.,Faculty of Health Science, Public Higher Medical Professional School in Opole, Opole, Poland
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