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Xu M, Liu D, Wang L. Role of oxylipins in ovarian function and disease: A comprehensive review. Biomed Pharmacother 2024; 178:117242. [PMID: 39094547 DOI: 10.1016/j.biopha.2024.117242] [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: 05/29/2024] [Revised: 07/22/2024] [Accepted: 07/30/2024] [Indexed: 08/04/2024] Open
Abstract
Ovaries are essential for healthy female reproduction, with the follicles as their fundamental functional units, which consist of an oocyte and surrounding granulosa cells. The development and formation of follicles in the ovaries are closely linked to reproductive health. Oxylipins refer to oxidative metabolites produced from the oxidation of polyunsaturated fatty acids, either through automatic oxidation or with the help of specific enzymes. They play crucial regulatory roles in the immune system, oxidative stress, and inflammatory reactions and are intimately linked to the development of numerous illnesses, such as diabetes, heart disease, asthma, and Alzheimer's disease. Furthermore, oxylipins have a complex relationship with ovarian function, and both prostaglandins and leukotrienes produced by arachidonic acid affect processes such as follicle growth and development, ovulation, and hormone regulation. The synthesis and metabolism of oxylipins in the ovaries are finely regulated. Oxylipin dysregulation has been linked to various ovarian diseases, including endometriosis, polycystic ovary syndrome, ovarian cancer, and premature ovarian insufficiency. In addition, potential therapeutic targets and interventions targeting the oxylipin pathway for the treatment of ovarian diseases have become a prominent research focus, including regulating the enzymes responsible for oxylipin synthesis, using anti-inflammatory agents, and regulating lipid metabolism. Recent research has been directed towards improving the reproductive outcomes of women with ovarian diseases through this series of interventions. An overview of the role of oxylipins in ovarian function and disease is provided in this article, which will aid researchers in understanding the current state of the field and in identifying future directions.
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Affiliation(s)
- Mengting Xu
- Department of Obstetrics and Gynecology, Shengjing Hospital, China Medical University, Shenyang, 110004, China; Medical Research Center of Shengjing Hospital, China Medical University, Shenyang 110004, China; Key Laboratory of Research and Application of Animal Model for Environmental and Metabolic Diseases, Liaoning Province, China
| | - Dan Liu
- Finance Department of Shengjing Hospital, China Medical University, Shenyang 110004, China.
| | - Lili Wang
- Department of Obstetrics and Gynecology, Shengjing Hospital, China Medical University, Shenyang, 110004, China; Medical Research Center of Shengjing Hospital, China Medical University, Shenyang 110004, China; Key Laboratory of Research and Application of Animal Model for Environmental and Metabolic Diseases, Liaoning Province, China.
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Dymanowska-Dyjak I, Terpiłowska B, Morawska-Michalska I, Michalski A, Polak G, Terpiłowski M, Rahnama-Hezavah M, Grywalska E. Immune Dysregulation in Endometriomas: Implications for Inflammation. Int J Mol Sci 2024; 25:4802. [PMID: 38732021 PMCID: PMC11084867 DOI: 10.3390/ijms25094802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2024] [Revised: 04/22/2024] [Accepted: 04/23/2024] [Indexed: 05/13/2024] Open
Abstract
The most common manifestation of endometriosis, a condition characterized by the presence of endometrial-like tissue outside of the uterus, is the endometrioma, a cystic ovarian lesion. It is a commonly occurring condition associated with chronic pelvic pain exacerbated prior to and during menstruation, as well as infertility. The exact pathomechanisms of the endometrioma are still not fully understood. Emerging evidence suggests a pivotal role of immune dysregulation in the pathogenesis of endometriomas, primarily influencing both local and systemic inflammatory processes. Among the factors implicated in the creation of the inflammatory milieu associated with endometriomas, alterations in both serum and local levels of several cytokines stand out, including IL-6, IL-8, and IL-1β, along with abnormalities in the innate immune system. While numerous signaling pathways have been suggested to play a role in the inflammatory process linked to endometriomas, only NF-κB has been conclusively demonstrated to be involved. Additionally, increased oxidative stress, both resulting from and contributing to endometriomas, has been identified as a primary driver of both systemic and local inflammation associated with the condition. This article reviews the current understanding of immune dysfunctions in the endometrioma and their implications for inflammation.
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Affiliation(s)
- Izabela Dymanowska-Dyjak
- Independent Laboratory of Minimally Invasive Gynecology and Gynecological Endocrinology, Medical University of Lublin, 20-081 Lublin, Poland; (I.D.-D.); (G.P.)
| | - Barbara Terpiłowska
- Department of Gynecological Oncology and Gynecology, Medical University of Lublin, 20-081 Lublin, Poland;
| | - Izabela Morawska-Michalska
- Department of Clinical Immunology, Medical University of Lublin, 20-093 Lublin, Poland; (I.M.-M.); (A.M.)
| | - Adam Michalski
- Department of Clinical Immunology, Medical University of Lublin, 20-093 Lublin, Poland; (I.M.-M.); (A.M.)
| | - Grzegorz Polak
- Independent Laboratory of Minimally Invasive Gynecology and Gynecological Endocrinology, Medical University of Lublin, 20-081 Lublin, Poland; (I.D.-D.); (G.P.)
| | - Michał Terpiłowski
- Department of Vascular Surgery and Angiology, Medical University of Lublin, 20-081 Lublin, Poland;
| | - Mansur Rahnama-Hezavah
- Chair and Department of Oral Surgery, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Ewelina Grywalska
- Department of Experimental Immunology, Medical University of Lublin, 20-093 Lublin, Poland
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Meng YW, Liu JY. Pathological and pharmacological functions of the metabolites of polyunsaturated fatty acids mediated by cyclooxygenases, lipoxygenases, and cytochrome P450s in cancers. Pharmacol Ther 2024; 256:108612. [PMID: 38369063 DOI: 10.1016/j.pharmthera.2024.108612] [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: 10/30/2023] [Revised: 01/19/2024] [Accepted: 02/05/2024] [Indexed: 02/20/2024]
Abstract
Oxylipins have garnered increasing attention because they were consistently shown to play pathological and/or pharmacological roles in the development of multiple cancers. Oxylipins are the metabolites of polyunsaturated fatty acids via both enzymatic and nonenzymatic pathways. The enzymes mediating the metabolism of PUFAs include but not limited to lipoxygenases (LOXs), cyclooxygenases (COXs), and cytochrome P450s (CYPs) pathways, as well as the down-stream enzymes. Here, we systematically summarized the pleiotropic effects of oxylipins in different cancers through pathological and pharmacological aspects, with specific reference to the enzyme-mediated oxylipins. We discussed the specific roles of oxylipins on cancer onset, growth, invasion, and metastasis, as well as the expression changes in the associated metabolic enzymes and the associated underlying mechanisms. In addition, we also discussed the clinical application and potential of oxylipins and related metabolic enzymes as the targets for cancer prevention and treatment. We found the specific function of most oxylipins in cancers, especially the underlying mechanisms and clinic applications, deserves and needs further investigation. We believe that research on oxylipins will provide not only more therapeutic targets for various cancers but also dietary guidance for both cancer patients and healthy humans.
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Affiliation(s)
- Yi-Wen Meng
- CNTTI of the Institute of Life Sciences & Department of Anesthesia of the Second Affiliated Hospital, Chongqing Medical University, Chongqing 400016, China; Basic Medicine Research and Innovation Center for Novel Target and Therapeutic Intervention, Ministry of Education, Chongqing 400016, China
| | - Jun-Yan Liu
- CNTTI of the Institute of Life Sciences & Department of Anesthesia of the Second Affiliated Hospital, Chongqing Medical University, Chongqing 400016, China; Basic Medicine Research and Innovation Center for Novel Target and Therapeutic Intervention, Ministry of Education, Chongqing 400016, China; College of Pharmacy, Chongqing Medical University, Chongqing 400016, China.
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Li H, Su N, Zhu Y, Wang W, Cai M, Luo X, Xia W, Quan S. Growth hormone inhibits the JAK/STAT3 pathway by regulating SOCS1 in endometrial cells in vitro: a clue to enhance endometrial receptivity in recurrent implantation failure. Eur J Histochem 2022; 67:3580. [PMID: 36546418 PMCID: PMC9827423 DOI: 10.4081/ejh.2023.3580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 11/24/2022] [Indexed: 12/24/2022] Open
Abstract
Recurrent implantation failure (RIF) is defined as failure to achieve clinical pregnancy after at least 3 transfers of good-quality embryos by natural or artificial means. RIF is often a complex problem with a wide variety of etiologies and mechanisms as well as treatment options. In this study, using immunohistochemistry and Western blot, we demonstrated that the expression of leukemia inhibitory factor (LIF), Janus kinase 1 (JAK1), and signal transducer and activator of transcription 3 (STAT3) was increased, while that of suppressor of cytokine signaling 1 (SOCS1) was decreased in RIF patients. Growth hormone (GH) administration proved to have positive effects on embryo implantation in RIF patients, but the action mechanism of GH has not been elucidated yet. To this aim, we studied the effects of GH on the proliferation in vitro of endometrial adenocarcinoma Ishikawa cells. GH stimulated the expression of LIF and SOCS1, and through SOCS1 inhibits the expression of phosphorylated STAT3, and finally inhibits the occurrence of RIF. Excessive phosphorylation of STAT can lead to decreased endometrial receptivity and abnormal embryo implantation. We also examined the effects of LIF overexpression and an LIF inhibitor (EC330) on the JAK/STAT pathway. LIF promoted cell proliferation, and the up-regulation of LIF increased the expression of SOCS1 and JAK1/STAT3 pathway-related genes in Ishikawa cells. As GH can inhibit the JAK1/STAT3 pathway through LIF, we hypothesize that upregulating SOCS1 may be a potential approach to treat RIF at the molecular level. GH can inhibit the JAK1/STAT3 pathway through LIF, up-regulating SOCS1 to treat RIF at the molecular level.
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Affiliation(s)
- Haixia Li
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, Guangzhou,Department of Reproductive Medicine Centre, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, Guangdong, China
| | - Ning Su
- Department of Reproductive Medicine Centre, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, Guangdong, China
| | - Yaqiao Zhu
- Department of Reproductive Medicine Centre, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, Guangdong, China
| | - Wei Wang
- Department of Reproductive Medicine Centre, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, Guangdong, China
| | - Meihong Cai
- Department of Reproductive Medicine Centre, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, Guangdong, China
| | - Xiaohuan Luo
- Department of Reproductive Medicine Centre, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, Guangdong, China
| | - Wei Xia
- Department of Reproductive Medicine Centre, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, Guangdong, China
| | - Song Quan
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, Guangzhou,Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China.
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Navarro A, Bariani MV, Yang Q, Al-Hendy A. Understanding the Impact of Uterine Fibroids on Human Endometrium Function. Front Cell Dev Biol 2021; 9:633180. [PMID: 34113609 PMCID: PMC8186666 DOI: 10.3389/fcell.2021.633180] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 04/13/2021] [Indexed: 12/15/2022] Open
Abstract
Uterine fibroids (leiomyomas) are the most common benign gynecological tumors in women of reproductive age worldwide. They cause heavy menstrual bleeding, usually leading to severe anemia, pelvic pain/pressure, infertility, and other debilitating morbidities. Fibroids are believed to be monoclonal tumors arising from the myometrium, and recent studies have demonstrated that fibroids actively influence the endometrium globally. Studies suggest a direct relationship between the number of fibroids removed and fertility problems. In this review, our objective was to provide a complete overview of the origin of uterine fibroids and the molecular pathways and processes implicated in their development and growth, which can directly affect the function of a healthy endometrium. One of the most common characteristics of fibroids is the excessive production of extracellular matrix (ECM) components, which contributes to the stiffness and expansion of fibroids. ECM may serve as a reservoir of profibrotic growth factors such as the transforming growth factor β (TGF-β) and a modulator of their availability and actions. Fibroids also elicit mechanotransduction changes that result in decreased uterine wall contractility and increased myometrium rigidity, which affect normal biological uterine functions such as menstrual bleeding, receptivity, and implantation. Changes in the microRNA (miRNA) expression in fibroids and myometrial cells appear to modulate the TGF-β pathways and the expression of regulators of ECM production. Taken together, these findings demonstrate an interaction among the ECM components, TGF-β family signaling, miRNAs, and the endometrial vascular system. Targeting these components will be fundamental to developing novel pharmacotherapies that not only treat uterine fibroids but also restore normal endometrial function.
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Affiliation(s)
| | | | | | - Ayman Al-Hendy
- Department of Obstetrics and Gynecology, University of Chicago, Chicago, IL, United States
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Palomba S, Piltonen TT, Giudice LC. Endometrial function in women with polycystic ovary syndrome: a comprehensive review. Hum Reprod Update 2020; 27:584-618. [PMID: 33302299 DOI: 10.1093/humupd/dmaa051] [Citation(s) in RCA: 142] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/29/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Polycystic ovary syndrome (PCOS) is the most common cause of anovulatory infertility. An endometrial component has been suggested to contribute to subfertility and poor reproductive outcomes in affected women. OBJECTIVE AND RATIONALE The aim of this review was to determine whether there is sufficient evidence to support that endometrial function is altered in women with PCOS, whether clinical features of PCOS affect the endometrium, and whether there are evidence-based interventions to improve endometrial dysfunction in PCOS women. SEARCH METHODS An extensive literature search was performed from 1970 up to July 2020 using PubMed and Web of Science without language restriction. The search included all titles and abstracts assessing a relationship between PCOS and endometrial function, the role played by clinical and biochemical/hormonal factors related to PCOS and endometrial function, and the potential interventions aimed to improve endometrial function in women with PCOS. All published papers were included if considered relevant. Studies having a specific topic/hypothesis regarding endometrial cancer/hyperplasia in women with PCOS were excluded from the analysis. OUTCOMES Experimental and clinical data suggest that the endometrium differs in women with PCOS when compared to healthy controls. Clinical characteristics related to the syndrome, alone and/or in combination, may contribute to dysregulation of endometrial expression of sex hormone receptors and co-receptors, increase endometrial insulin-resistance with impaired glucose transport and utilization, and result in chronic low-grade inflammation, immune dysfunction, altered uterine vascularity, abnormal endometrial gene expression and cellular abnormalities in women with PCOS. Among several interventions to improve endometrial function in women with PCOS, to date, only lifestyle modification, metformin and bariatric surgery have the highest scientific evidence for clinical benefit. WIDER IMPLICATIONS Endometrial dysfunction and abnormal trophoblast invasion and placentation in PCOS women can predispose to miscarriage and pregnancy complications. Thus, patients and their health care providers should advise about these risks. Although currently no intervention can be universally recommended to reverse endometrial dysfunction in PCOS women, lifestyle modifications and metformin may improve underlying endometrial dysfunction and pregnancy outcomes in obese and/or insulin resistant patients. Bariatric surgery has shown its efficacy in severely obese PCOS patients, but a careful evaluation of the benefit/risk ratio is warranted. Large scale randomized controlled clinical trials should address these possibilities.
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Affiliation(s)
- Stefano Palomba
- Unit of Obstetrics and Gynecology, Grande Ospedale Metropolitano of Reggio Calabria, Reggio Calabria, Italy
| | - Terhi T Piltonen
- Department of Obstetrics and Gynecology, PEDEGO Research Unit, Medical Research Center, Oulu University Hospital, University of Oulu, Oulu, Finland
| | - Linda C Giudice
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, CA, USA
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Orazov M, Radzinsky V, Khamoshina M, Volkova S, Abitova M, Shustova V. ENDOMETRIC FACTOR OF ENDOMETRIOSIS-ASSOCIATED INFERTILITY. REPRODUCTIVE MEDICINE 2020. [DOI: 10.37800/rm2020-1-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND
Despite numerous studies and a not decreasing amount of endometriosis and associated infertility, the study of endometriosis- associated infertility does not lose its relevance, and the characteristics of the endometrium is appeared to be central and predictive factors that determine the success of overcoming infertility.
OBJECTIVE
To reflect the molecular genetic features of the state of the endometrium with endometriosis associated with infertility, expand the understanding of its pathogenesis, substantiate theoretical aspects of the use of hormonal preimplantation preparation of the endometrium in endometriosis-associated infertility.
MATERIALS AND METHODS
To write this review, we searched for domestic and foreign publications in Russian and international search systems (eLIBRARY, PubMed, MedLine, Crossref, etc.) over the past 1–16 years.
RESULTS
The model of changes in endometrial receptivity is examined the mechanisms of resistance to progesterone and overproduction of estrogens as key endometrial factors in the pathogenesis of endometriosis-associated infertility and theoretical justification for the use of hormonal therapy for the preimplantation preparation of compromised endometrium is given.
CONCLUSION
Despite the large number of publications, there is no consensus and the same approaches to determining the receptivity of the endometrium and its role in implantation disorders in endometriosis, as well as clear ideas about the pathogenesis of endometriosis-associated infertility. A personalized approach in the management of patients with endometriosis-associated infertility will lead to a common denominator of many factors affecting reproduction and determine their potential role in both the diagnosis and treatment of a particular patient.
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Demir M, Kalyoncu S, Ince O, Ozkan B, Kelekci S, Saglam G, Sutcu R, Yilmaz B. Endometrial Flushing Tumor Necrosis Factor Alpha and Interleukin 2 Levels in Women with Polycystic Ovary Syndrome, Leiomyoma and Endometrioma: Comparison with Healthy Controls. Geburtshilfe Frauenheilkd 2019; 79:517-523. [PMID: 31148852 PMCID: PMC6529228 DOI: 10.1055/a-0829-3873] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Revised: 01/02/2019] [Accepted: 01/07/2019] [Indexed: 12/12/2022] Open
Abstract
Introduction An important open question in the literature is whether endometrial receptivity marker levels are different in infertility related diseases than healthy women. The aim of the study is to compare the levels of interleukin two (IL-2) and tumor necrosis factor alpha (TNF-α) during the implantation window in the endometrial flushing fluid of polycystic ovary syndrome (PCOS), endometrioma, leiomyoma patients with healthy controls. Material and Methods In this case control study, after obtaining endometrial flushing fluids at mid-luteal phase of ovulatory women with PCOS (n = 20), endometrioma (n = 19), leiomyoma (n = 20) and healthy controls (n = 20), IL-2 and TNF-α levels were measured using ELISA kits in BioTek ELISA devices. Results Mean TNF-α levels (ng/mL) were similar for the PCOS (305.6, p = 0.220) and the leiomyoma group (246.3, p = 0.502) compared to healthy patients (261.1). However, the levels were higher in the endometrioma group (338.2, p = 0,004) than the control group (261.1) in a statistically significant way. Mean IL-2 levels (ng/mL) were significantly lower in the PCOS (290.9, p = 0.0005), the leiomyoma (282.9, p = 0.0002) and the endometrioma patients (229.5, p = 0.0009) than the control group (416.0). Conclusion Relative to the control group, endometrial flushing fluid TNF-α levels were significantly higher in endometrioma patients and IL-2 levels were significantly lower in PCOS, leiomyoma and endometrioma patients. In benign gynecological diseases, endometrial markers related to infertility seem to show differences in endometrial flushing fluid. Future studies might identify the reference values for these markers, and endometrial markers can be used to diagnose gynecologic disorders causing infertility.
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Affiliation(s)
- Mustafa Demir
- Department of Obstetrics and Gynecology, Harran University Faculty of Medicine, Sanliurfa, Turkey.,Department of Obstetrics and Gynecology, Izmir Katip Celebi University Faculty of Medicine, Izmir, Turkey
| | - Senol Kalyoncu
- Department of Obstetrics and Gynecology, TOBB University of Economics and Technology, ETU Hospital, Ankara, Turkey
| | - Onur Ince
- Department of Obstetrics and Gynecology, IVF Unit, Tepecik Education and Research Hospital, Izmir, Turkey
| | - Bulent Ozkan
- Department of Biostatistics, Izmir Katip Celebi University Faculty of Medicine, Izmir, Turkey
| | - Sefa Kelekci
- Department of Obstetrics and Gynecology, Izmir Katip Celebi University Faculty of Medicine, Izmir, Turkey
| | - Gulcan Saglam
- Department of Biochemistry, Izmir Katip Celebi University Faculty of Medicine, Izmir, Turkey
| | - Recep Sutcu
- Department of Biochemistry, Izmir Katip Celebi University Faculty of Medicine, Izmir, Turkey
| | - Bulent Yilmaz
- Department of Obstetrics and Gynecology, Izmir Katip Celebi University Faculty of Medicine, Izmir, Turkey.,Department of Obstetrics and Gynecology, IVF Unit, Tepecik Education and Research Hospital, Izmir, Turkey
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