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Das J, Bhuyan B, Kumar P, Nath C, Malakar H, Rajkhowa P, Boruah P. Exploring Serum Zinc and Copper Levels as Potential Biomarkers in Polycystic Ovary Syndrome: A Cross-Sectional Study From Northeast India. Cureus 2024; 16:e57393. [PMID: 38694665 PMCID: PMC11062360 DOI: 10.7759/cureus.57393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/01/2024] [Indexed: 05/04/2024] Open
Abstract
Introduction Polycystic ovary syndrome (PCOS) is a prevalent hormonal disorder characterized by irregular menstrual cycles, ovarian cysts, and elevated androgen levels. The potential association between trace elements, specifically copper (Cu) and zinc (Zn), and PCOS has been explored, but a definitive relationship remains unclear. This study aims to investigate the levels of these trace elements in women with PCOS and their potential implications. Methods The study, conducted at Gauhati Medical College & Hospital, involved 60 individuals with PCOS and a matched control group. Ethical approval was obtained, and participants provided written informed consent. The study spanned from July 2021 to June 2022, utilizing a hospital-based case-control study design. Diagnostic criteria adhered to the Rotterdam criteria, and serum copper and zinc levels were quantified using a double-beam UV spectrophotometer. Results In the PCOS group, the mean age was 23.01 ± 3.60 years, while the control group had a mean age of 23.34 ± 3.59 years, with no significant age difference. Mean copper levels were 147.32 ± 16.53 μg/dl in PCOS and 106.88 ± 15.60 μg/dl in controls, indicating a significant increase in PCOS (p < 0.0001). Mean zinc levels were 93.99 ± 6.76 μg/dl in PCOS and 85.42 ± 12.69 μg/dl in controls, also significantly higher in PCOS (p < 0.0001). Conclusion The study highlights significant differences in serum copper and zinc levels between women with PCOS and healthy controls, suggesting potential implications for the syndrome's pathophysiology. Further research is warranted to elucidate the precise roles of these trace elements in PCOS and explore therapeutic interventions.
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Affiliation(s)
- Jayanta Das
- Biochemistry, All India Institute of Medical Sciences, Guwahati, Guwahati, IND
| | - Bidyut Bhuyan
- Biochemistry, All India Institute of Medical Sciences, Guwahati, Guwahati, IND
| | - Pawan Kumar
- Biochemistry, Tezpur Medical College, Tezpur, IND
| | - Chandan Nath
- Biochemistry, All India Institute of Medical Sciences, Guwahati, Guwahati, IND
| | - Himangshu Malakar
- Obstetrics and Gynaecology, All India Institute of Medical Sciences, Guwahati, Guwahati, IND
| | - Purnima Rajkhowa
- Microbiology, All India Institute of Medical Sciences, Guwahati, Guwahati, IND
| | - Polina Boruah
- Biochemistry, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, IND
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Wyatt J, Fernando SM, Powell SG, Hill CJ, Arshad I, Probert C, Ahmed S, Hapangama DK. The role of iron in the pathogenesis of endometriosis: a systematic review. Hum Reprod Open 2023; 2023:hoad033. [PMID: 37638130 PMCID: PMC10457727 DOI: 10.1093/hropen/hoad033] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 07/14/2023] [Indexed: 08/29/2023] Open
Abstract
STUDY QUESTION What is the role of iron in the pathophysiology of endometriosis? SUMMARY ANSWER Iron excess is demonstrated wherever endometriotic tissues are found and is associated with oxidative stress, an inflammatory micro-environment, and cell damage; the iron-mediated oxidative stress is independently linked to subfertility, symptom severity, and malignant transformation. WHAT IS KNOWN ALREADY Iron is found in excess in endometriotic tissues, and multiple mechanisms have been studied and posited to explain this. It is clear that iron excess plays a vital role in promoting oxidative stress and cell damage. The evidence base is large, but no comprehensive reviews exist to summarize our understanding and highlight the overarching themes to further our understanding and suggest future directions of study for the field. STUDY DESIGN SIZE DURATION This systematic review with a thematic analysis retrieved studies from the PubMed, Embase, Web of Science, and Cochrane Library databases and searches were conducted from inception through to August 2022. Human and animal studies published in the English language were included and identified using a combination of exploded MeSH terms ('Iron' and 'Endometriosis') and free-text search terms ('Iron', 'Ferric', 'Ferrous', 'Endometriosis', 'Endometrioma'). PARTICIPANTS/MATERIALS SETTING METHODS This review was reported in accordance with the PRISMA guidelines. All studies reporting original data concerning the role of iron or iron complexes in the pathophysiology of endometriosis were included. Studies that did not report original data or provided a review of the field were excluded. Bias analysis was completed for each included study by using the Newcastle-Ottawa scoring system. MAIN RESULTS AND THE ROLE OF CHANCE There were 776 records identified and these were screened down to 53 studies which met the eligibility criteria, including 6 animal and 47 human studies, with 3556 individual participants. Iron excess is demonstrated in various tissues and fluids, including ovarian endometriomas, ovarian follicles, ectopic endometriotic lesions, and peritoneal fluid. Markers of oxidative stress are strongly associated with high iron levels, and aberrant expression of iron-transport proteins has been demonstrated. Abnormal resistance to ferroptosis is likely. Iron-mediated oxidative stress is responsible for a pro-inflammatory micro-environment and is linked to subfertility, symptom severity, and, possibly, malignant transformation. LIMITATIONS REASONS FOR CAUTION A minority of the included studies were of objectively low quality with a high risk of bias and may lead to misleading conclusions. Additionally, multiple studies failed to appropriately characterize the included patients by known confounding variables, such as menstrual cycle phase, which may introduce bias to the findings. WIDER IMPLICATIONS OF THE FINDINGS Current literature depicts a central role of aberrant iron mechanics and subsequent oxidative stress in endometriosis. It is likely that iron excess is at least partly responsible for the persistence and proliferation of ectopic endometriotic lesions. As such, iron mechanics represent an attractive target for novel therapeutics, including iron chelators or effectors of the iron-oxidative stress pathway. There are significant gaps in our current understanding, and this review highlights and recommends several topics for further research. These include the role of iron chelation, resistance to ferroptosis, the relationship between iron excess and localized hypoxia, systemic iron pathophysiology in endometriosis, and the role of oxidative stress in malignant transformation. STUDY FUNDING/COMPETING INTERESTS J.W. and S.G.P. are supported by clinical fellowships at Liverpool University Hospital NHS Foundation trust. No additional funding was requested or required for the completion of this work. C.J.H. is supported by a Wellbeing of Women project grant (RG2137). D.K.H. is supported by a Wellbeing of Women project grant (RG2137) and an MRC clinical research training fellowship (MR/V007238/1). The authors have no conflicts of interest to declare. REGISTRATION NUMBER A protocol was prospectively registered with the PROSPERO database in August 2021 (CRD42021272818).
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Affiliation(s)
- James Wyatt
- Department of Women’s and Children’s Health, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK
- Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
| | - Sean M Fernando
- School of Clinical Medicine, University of Cambridge, Cambridge, UK
| | - Simon George Powell
- Department of Women’s and Children’s Health, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK
- Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
| | - Christopher J Hill
- Department of Women’s and Children’s Health, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK
| | - Ilyas Arshad
- Liverpool Women’s Hospital NHS Foundation Trust, Liverpool, UK
| | - Chris Probert
- Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
- Department of Molecular and Clinical Cancer Medicine, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, UK
| | - Shakil Ahmed
- Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
| | - Dharani K Hapangama
- Department of Women’s and Children’s Health, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK
- Liverpool Women’s Hospital NHS Foundation Trust, Liverpool, UK
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Kobayashi H, Yoshimoto C, Matsubara S, Shigetomi H, Imanaka S. Current Understanding of and Future Directions for Endometriosis-Related Infertility Research with a Focus on Ferroptosis. Diagnostics (Basel) 2023; 13:diagnostics13111926. [PMID: 37296777 DOI: 10.3390/diagnostics13111926] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/25/2023] [Accepted: 05/30/2023] [Indexed: 06/12/2023] Open
Abstract
BACKGROUND To date, the development of therapy for endometriosis and disease-related infertility remains a major challenge. Iron overload caused by periodic bleeding is a hallmark of endometriosis. Ferroptosis is an iron- and lipid-reactive oxygen species-dependent type of programmed cell death that is distinct from apoptosis, necrosis, and autophagy. This review summarizes the current understanding of and future directions for the research and treatment of endometriosis and disease-related infertility, with the main focus on the molecular basis of ferroptosis in endometriotic and granulosa cells. METHODS Papers published between 2000 and 2022 in the PubMed and Google Scholar databases were included in this review. RESULTS Emerging evidence suggests that ferroptosis is closely linked to the pathophysiology of endometriosis. Endometriotic cells are characterized by ferroptosis resistance, whereas granulosa cells remain highly susceptible to ferroptosis, suggesting that the regulation of ferroptosis is utilized as an interventional target for research into the treatment of endometriosis and disease-related infertility. New therapeutic strategies are urgently needed to efficiently kill endometriotic cells while protecting granulosa cells. CONCLUSIONS An analysis of the ferroptosis pathway in in vitro, in vivo, and animal research enhances our understanding of the pathogenesis of this disease. Here, we discuss the role of ferroptosis modulators as a research approach and potential novel treatment for endometriosis and disease-related infertility.
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Affiliation(s)
- Hiroshi Kobayashi
- Department of Gynecology and Reproductive Medicine, Ms.Clinic MayOne, 871-1 Shijo-cho, Kashihara 634-0813, Japan
- Department of Obstetrics and Gynecology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8522, Japan
| | - Chiharu Yoshimoto
- Department of Obstetrics and Gynecology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8522, Japan
- Department of Obstetrics and Gynecology, Nara Prefecture General Medical Center, 2-897-5 Shichijyonishi-machi, Nara 630-8581, Japan
| | - Sho Matsubara
- Department of Obstetrics and Gynecology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8522, Japan
- Department of Medicine, Kei Oushin Clinic, 5-2-6 Naruo-cho, Nishinomiya 663-8184, Japan
| | - Hiroshi Shigetomi
- Department of Obstetrics and Gynecology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8522, Japan
- Department of Gynecology and Reproductive Medicine, Aska Ladies Clinic, 3-3-17 Kitatomigaoka-cho, Nara 634-0001, Japan
| | - Shogo Imanaka
- Department of Gynecology and Reproductive Medicine, Ms.Clinic MayOne, 871-1 Shijo-cho, Kashihara 634-0813, Japan
- Department of Obstetrics and Gynecology, Nara Medical University, 840 Shijo-cho, Kashihara 634-8522, Japan
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Wu Y, Yang R, Lan J, Wu Y, Huang J, Fan Q, You Y, Lin H, Jiao X, Chen H, Cao C, Zhang Q. Iron overload modulates follicular microenvironment via ROS/HIF-1α/FSHR signaling. Free Radic Biol Med 2023; 196:37-52. [PMID: 36638901 DOI: 10.1016/j.freeradbiomed.2022.12.105] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/30/2022] [Accepted: 12/30/2022] [Indexed: 01/11/2023]
Abstract
Iron is essential for the health of reproductive system, and women with iron overload suffer from ovarian dysfunction and lack effective treatment in fertility preservation. However, the underlying mechanism of the detrimental effects of iron overload on ovarian function remains ambiguous. Here, we confirmed the excess iron in the circumjacent follicle near endometriomas, which negatively impacted the oocyte development in the affected ovaries. Further, by integrating cell line and chronic iron overload mice model, we demonstrated that iron overload can function as a ROS inducer to amplify mitochondria damage, which significantly elevated the release of cytochrome C and ultimately induced the apoptosis of granular cells. Besides, for the first time, our findings revealed that disruption of HIF-1α/FSHR/CYP19A1 signaling was critical for decreased estrogen synthesis of granular cells in response to iron overload, which can lead to apparent oocyte maldevelopment and subfertility. Overall. this study uncovered that iron overload modulated the follicular microenvironment and generated a deleterious effect on female infertility via ROS/HIF-1α/FSHR signaling. These results might provide potential implications for future clinical risk management of patients with endometrioma and hemopathy.
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Affiliation(s)
- Yaoqiu Wu
- Reproductive Medicine Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China
| | - Rong Yang
- Reproductive Medicine Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China
| | - Jie Lan
- Reproductive Medicine Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China
| | - Yingchen Wu
- Reproductive Medicine Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China
| | - Jianyun Huang
- Reproductive Medicine Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China
| | - Qi Fan
- Reproductive Medicine Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China
| | - Yang You
- Reproductive Medicine Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China
| | - Haiyan Lin
- Reproductive Medicine Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China
| | - Xuedan Jiao
- Reproductive Medicine Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China
| | - Hui Chen
- Reproductive Medicine Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China.
| | - Chunwei Cao
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China; Guangzhou Laboratory, Guangzhou, 510320, China; Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China; Center for Reproductive Genetics and Reproductive Medicine, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.
| | - Qingxue Zhang
- Reproductive Medicine Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China.
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The Content of Minerals in the PCOS Group and the Correlation with the Parameters of Metabolism. Nutrients 2021; 13:nu13072214. [PMID: 34203167 PMCID: PMC8308369 DOI: 10.3390/nu13072214] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 06/18/2021] [Accepted: 06/25/2021] [Indexed: 11/17/2022] Open
Abstract
Polycystic ovary syndrome (PCOS) is a common disease in women of childbearing age. It is characterized by excessive androgen production, ovulation disorders, and developing metabolic syndrome. The aim of the study was to check whether selected minerals were related to the pathophysiological mechanisms of PCOS. The concentrations of minerals were determined using an inductively coupled atomic plasma-emission spectrometer (ICP-AES Jobin Yvon JY-24). Blood samples from PCOS and control women were collected, processed, and digested with a microwave system in women with PCOS with and without insulin resistance and in the control group. It was found: zinc (Zn)-10.14 ± 2.11, 9.89 ± 1.44 and 10.30 ± 1.67; nickel (Ni) 0.001 ± 0.0009, 0.001 ± 0.0006 and 0.002 ± 0.00001; iron (Fe) 868.0 ± 155.8, 835.3 ± 156.4 and 833.0 ± 94.6; manganese (Mn) 0.017 ± 0.006, 0.017 ± 0.008 and 0.020 ± 0.009; copper (Cu) 0.714 ± 0.129, 0.713 ± 0.114 and 0.761 ± 0.146; magnesium (Mg) 48.4 ± 8.3, 50.0 ± 8.4 and 45.3 ± 10.7; sodium (Na) 374.3 ± 84.3, 396.3 ± 66.6 and 367.9 ± 88.9; potassium (K) 2541.8 ± 330.9, 2409.6 ± 347.1 and 2336.9 ± 211.4 (µg/g). Some micronutrient deficiencies may have a negative effect on the lipid profile in PCOS patients (Ni, Na). Further studies are needed to better understand dependencies.
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Jiang D, Nie X. Effect of endometrioma and its surgical excision on fertility (Review). Exp Ther Med 2020; 20:114. [PMID: 32989392 DOI: 10.3892/etm.2020.9242] [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] [Received: 02/11/2020] [Accepted: 07/31/2020] [Indexed: 01/06/2023] Open
Abstract
Endometrioma is the cystic lesion of ovaries originating from endometrial glands and stroma; it is identified in 17-44% of patients with endometriosis. Numerous existing studies have reported the association between endometrioma and infertility. However, an absolute cause-effect association requires further confirmation. Available evidence has suggested that ovarian reserve may be impaired by spatial occupation influences, local reaction or both, affecting the reproductive health of females. Given the increased focus on the pathophysiological mechanisms of endometrioma, surgical excision has commonly been considered to avoid further ovarian damage. However, the potential adverse effect of this surgery on the ovarian reserve has recently become a focal point. Whether or not surgical excision can facilitate subsequent conception in young females planning to be pregnant is controversial. As shown in the present review on the effects of endometrioma and its removal in females requiring assisted reproductive technology, prior surgery for endometrioma may not improve assisted fertility results and may further decrease the number of oocytes retrieved in the affected females. Subsequent studies are needed to ascertain the optimal management of infertility in the setting of endometriomas.
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Affiliation(s)
- Danni Jiang
- Graduate School, Dalian Medical University, Dalian, Liaoning 116044, P.R. China
| | - Xiaocui Nie
- Department of Gynecology, Shenyang Women's and Children's Hospital, Shenyang, Liaoning 110011, P.R. China
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Mikhaleva LM, Davydov AI, Patsap OI, Mikhaylenko EV, Nikolenko VN, Neganova ME, Klochkov SG, Somasundaram SG, Kirkland CE, Aliev G. Malignant Transformation and Associated Biomarkers of Ovarian Endometriosis: A Narrative Review. Adv Ther 2020; 37:2580-2603. [PMID: 32385745 PMCID: PMC7467438 DOI: 10.1007/s12325-020-01363-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Indexed: 02/07/2023]
Abstract
This review focuses on pathogenesis of endometriosis, its possible biomarkers and role in endometriosis-associated ovarian cancer. We analyzed various databases to obtain new insights, theories, and biomarkers associated with endometriosis. There are several theories of endometriosis development and biomarker changes including atypical forms. A number of studies have attempted to establish specific, reliable biomarkers to help diagnose endometriosis and endometriosis-associated diseases on the basis of different pathogenetic pathways. Nevertheless, despite intensive research extending even to the molecular level, the origin, natural history, malignant transformation, and laboratory management of endometriosis and related diseases are not yet clearly defined. Therefore, early laboratory diagnoses of endometriosis, its atypical form, and endometriosis-associated ovarian tumors are important problems that require further study in the context of advanced therapeutic strategies to provide maximal health benefits to patients.
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Affiliation(s)
- Liudmila M Mikhaleva
- Department of Clinical Pathology, Federal State Budgetary Institution "Research Institute of Human Morphology", 3, Tsyurupy Str, Moscow, 117418, Russian Federation
| | - Aleksandr I Davydov
- Department of Obstetrics, Gynecology and Perinatology, Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), 8/2, Trubetskaya Str., Moscow, 119991, Russian Federation
- Department of Pathology, City Clinical Hospital After Named S.S. Udina, 4, Bld., 3, Kolomensky Passage, Moscow, 115446, Russian Federation
| | - Olga I Patsap
- Department of Pathology, City Clinical Hospital After Named S.S. Udina, 4, Bld., 3, Kolomensky Passage, Moscow, 115446, Russian Federation
| | - Elizaveta V Mikhaylenko
- I. M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), 8/2 Trubetskaya Str, Moscow, 119991, Russia
| | - Vladimir N Nikolenko
- I. M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), 8/2 Trubetskaya Str, Moscow, 119991, Russia
- Department of Normal and Topographic Anatomy, M.V. Lomonosov Moscow State University, Leninskie Gory, 1, Moscow, 119991, Russia
| | - Margarita E Neganova
- Institute of Physiologically Active Compounds, Russian Academy of Sciences, 1 Severny pr, Chernogolovka, Moscow Region, 142432, Russia
| | - Sergey G Klochkov
- Institute of Physiologically Active Compounds, Russian Academy of Sciences, 1 Severny pr, Chernogolovka, Moscow Region, 142432, Russia
| | | | - Cecil E Kirkland
- Department of Biological Sciences, Salem University, Salem, WV, 26426, USA
| | - Gjumrakch Aliev
- Department of Clinical Pathology, Federal State Budgetary Institution "Research Institute of Human Morphology", 3, Tsyurupy Str, Moscow, 117418, Russian Federation.
- I. M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), 8/2 Trubetskaya Str, Moscow, 119991, Russia.
- Institute of Physiologically Active Compounds, Russian Academy of Sciences, 1 Severny pr, Chernogolovka, Moscow Region, 142432, Russia.
- GALLY International Research Institute, 7733 Louis Pasteur Drive, #330, San Antonio, TX, 78229, USA.
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Mensi L, Borroni R, Reschini M, Cassinerio E, Vegetti W, Baldini M, Cappellini MD, Somigliana E. Oocyte quality in women with thalassaemia major: insights from IVF cycles. Eur J Obstet Gynecol Reprod Biol X 2019; 3:100048. [PMID: 31404374 PMCID: PMC6687400 DOI: 10.1016/j.eurox.2019.100048] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 04/24/2019] [Accepted: 05/10/2019] [Indexed: 11/19/2022] Open
Abstract
Background Women with thalassaemia major typically experience hypogonadotropic hypogonadism because of the toxic effects of iron overload on the anterior pituitary. Moreover, in affected women, serum anti-Mullerian hormone (AMH) and antral follicle count (AFC) are also shown to be reduced, suggesting that the peripheral excess of iron could also harm the ovarian reserve. To date, the detrimental effects of the disease on oocyte quality have not been investigated. Materials and methods Women with thalassaemia major who underwent in vitro fertilization (IVF) cycles were retrospectively identified over a 9 years period. They were matched (with a 1:5 ratio) by study period and age to a control group of infertile women undergoing IVF. Embriological variables were compared between the two groups. The primary outcome was the rate of top quality embryos. Results Twenty-one women with thalassaemia major (exposed group) and 105 controls (unexposed group) were ultimately included. Serum AMH was 0.6 [0.2–1.8] and 1.5 [0.7–3.5] ng/ml, respectively (p = 0.05). AFC was 4 (1–7.5) and 11 (5.5–16), respectively (p < 0.001). The total dose of gonadotropins used was higher in exposed women but the number of retrieved oocytes and oocytes used did not differ. The fertilization rate was higher in exposed compared to unexposed women, being 100% (76–100%) and 75% (50–100%). respectively (p = 0.03). The cleavage rate was also higher, being 75% (39–100%) and 50% (29–64%), respectively (p = 0.04). In contrast, the rate of top quality embryos did not differ, being 20% (0–76%) and 25% (5–50%), respectively (p = 0.98). Conclusions Despite lower ovarian reserve, oocyte quality is not significantly affected in women with thalassaemia major.
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Affiliation(s)
- Laura Mensi
- Dept. of Clinical Science and Community Health, University of Milan, Milan, Italy
- Infertility Unit, Fondazione Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
- Corresponding author at: Infertility Unit, Fondazione Ca’ Granda, Ospedale Maggiore Policlinico, Via M. Fanti, 6, 20122, Milan, Italy.
| | - Raffaella Borroni
- Infertility Unit, Fondazione Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Marco Reschini
- Infertility Unit, Fondazione Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Elena Cassinerio
- Dept. of Internal Medicine, Fondazione Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Walter Vegetti
- Infertility Unit, Fondazione Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Marina Baldini
- Dept. of Internal Medicine, Fondazione Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Maria Domenica Cappellini
- Dept. of Clinical Science and Community Health, University of Milan, Milan, Italy
- Dept. of Internal Medicine, Fondazione Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Edgardo Somigliana
- Dept. of Clinical Science and Community Health, University of Milan, Milan, Italy
- Infertility Unit, Fondazione Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy
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9
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Benaglia L, Castiglioni M, Paffoni A, Sarais V, Vercellini P, Somigliana E. Is endometrioma-associated damage to ovarian reserve progressive? Insights from IVF cycles. Eur J Obstet Gynecol Reprod Biol 2017; 217:101-105. [DOI: 10.1016/j.ejogrb.2017.08.034] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Revised: 08/21/2017] [Accepted: 08/29/2017] [Indexed: 12/27/2022]
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10
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Rockfield S, Raffel J, Mehta R, Rehman N, Nanjundan M. Iron overload and altered iron metabolism in ovarian cancer. Biol Chem 2017; 398:995-1007. [PMID: 28095368 DOI: 10.1515/hsz-2016-0336] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2016] [Accepted: 01/09/2017] [Indexed: 12/28/2022]
Abstract
Iron is an essential element required for many processes within the cell. Dysregulation in iron homeostasis due to iron overload is detrimental. This nutrient is postulated to contribute to the initiation of cancer; however, the mechanisms by which this occurs remain unclear. Defining how iron promotes the development of ovarian cancers from precursor lesions is essential for developing novel therapeutic strategies. In this review, we discuss (1) how iron overload conditions may initiate ovarian cancer development, (2) dysregulated iron metabolism in cancers, (3) the interplay between bacteria, iron, and cancer, and (4) chemotherapeutic strategies targeting iron metabolism in cancer patients.
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Mascarenhas M, Rawnsley V, Balen A. Iron overload directly affecting the ovaries in a patient with Diamond-Blackfan anaemia: a case report. HUM FERTIL 2017. [PMID: 28643569 DOI: 10.1080/14647273.2017.1342875] [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: 10/19/2022]
Abstract
Iron is a 'one-way' element and the primary point of regulation of body iron stores is at the level of intestinal iron absorption. Repeated blood transfusions for congenital anaemias bypass this regulatory checkpoint and inevitably lead to iron overload in the long-term. Iron overload causes multi-organ dysfunction of the heart, liver, pancreas and joints. It also causes reproductive toxicity primarily through its damaging effect on the anterior pituitary leading to hypogonadotrophic hypogonadism. Another less understood mechanism of reproductive toxicity is direct gonadal damage of excess free iron. In this article, we present the case of a 24-year-old woman with Diamond-Blackfan anaemia who presented to our unit seeking fertility assistance. The evaluation revealed a combination of hypogonadotrophic hypogonadism and reduced ovarian reserve along with evidence of severe iron overload. A literature search along with input from clinical experts has allowed us to counsel the patient to help her make an informed choice. A multi-disciplinary approach which would include initial optimization of pre-conceptional health with aggressive iron chelation therapy and subsequent ovulation induction with gonadotrophins has been planned, failing which, egg donation may be the only viable alternative.
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Affiliation(s)
| | - Victoria Rawnsley
- a Leeds Centre for Reproductive Medicine , Seacroft Hospital , Leeds , UK
| | - Adam Balen
- a Leeds Centre for Reproductive Medicine , Seacroft Hospital , Leeds , UK
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12
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Li M, Tang Y, Lin C, Huang Q, Lei D, Hu Y. Serum Macroelement and Microelement Concentrations in Patients with Polycystic Ovary Syndrome: a Cross-Sectional Study. Biol Trace Elem Res 2017; 176:73-80. [PMID: 27502954 DOI: 10.1007/s12011-016-0782-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Accepted: 06/12/2016] [Indexed: 12/23/2022]
Abstract
Polycystic ovarian syndrome (PCOS) is one of the most common endocrine diseases. However, its pathogenesis is unclear. We aim to explore the potential relationships between serum macroelements/microelements and PCOS. A total of 1137 women were involved in the current study. PCOS was defined according to ESHRE/ASRM, and complete blood samples were collected. Serum macroelements (calcium and magnesium) and microelements (copper, zinc, and iron) were assayed through atomic absorption spectrophotometry. PCOS patients had significantly higher copper concentrations than patients without PCOS (P < 0.001). By contrast, PCOS patients had lower serum calcium levels than patients without PCOS (P < 0.001). No significant differences were observed in the levels of serum zinc, magnesium, and iron between PCOS and non-PCOS patients. PCOS patients with acne had higher magnesium levels than those without acne (P = 0.020), and PCOS patients with hirsutism had lower magnesium levels than those without hirsutism (P = 0.037). High serum copper and low calcium levels may be correlated with PCOS. Magnesium concentrations are correlated with acne and hirsutism in PCOS patients. These results provide clues to explore the mechanism of PCOS and guidance for element treatments in PCOS patients.
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Affiliation(s)
- Muyan Li
- Experimental Centre of Medical Sciences, Guangxi Medical University, Nanning, Guangxi, 530000, China
| | - Yuanyuan Tang
- Guangxi Reproductive Medical Research Center, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Chunlei Lin
- Experimental Centre of Medical Sciences, Guangxi Medical University, Nanning, Guangxi, 530000, China
| | - Qiaoying Huang
- Experimental Centre of Medical Sciences, Guangxi Medical University, Nanning, Guangxi, 530000, China
| | - Danqing Lei
- Experimental Centre of Medical Sciences, Guangxi Medical University, Nanning, Guangxi, 530000, China.
| | - Yanling Hu
- Experimental Centre of Medical Sciences, Guangxi Medical University, Nanning, Guangxi, 530000, China.
- Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, Guangxi, China.
- Guangxi Colleges and Universities Key Laboratory of Biological Molecular Medicine Research, Guangxi Medical University, Nanning, Guangxi, China.
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Giacomini E, Sanchez AM, Sarais V, Beitawi SA, Candiani M, Viganò P. Characteristics of follicular fluid in ovaries with endometriomas. Eur J Obstet Gynecol Reprod Biol 2016; 209:34-38. [PMID: 26895700 DOI: 10.1016/j.ejogrb.2016.01.032] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 01/19/2016] [Accepted: 01/29/2016] [Indexed: 11/26/2022]
Abstract
The study of follicular fluid (FF) content nearby endometriomas may assist in elucidating pathophysiology, possible biomarkers related to this disease and the effect of endometriomas on ovarian physiology. As the question "how endometrioma may intrude the physiology of ovarian tissue?" is still open, we aimed to summarize the molecular evidence supporting the idea that endometriomas can negatively influence the content of the surrounding ovarian follicles. An alteration of the iron metabolism and an increased ROS (reactive oxygen species) generation characterize the intrafollicular environment adjacent to endometriomas. Other potentially negative effects include decreased testosterone and anti-Mullerian hormone FF levels although these have been only partially clarified. Alterations in lipid and proteomic patterns have been also observed in FF samples nearby endometriomas. The possibility that endometriomas per se may influence IVF clinical results as a consequence of the detrimental impact on the local intrafollicular environment is also discussed.
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Affiliation(s)
- Elisa Giacomini
- Reproductive Sciences Laboratory, Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - Ana M Sanchez
- Reproductive Sciences Laboratory, Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - Veronica Sarais
- Reproductive Sciences Laboratory, Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - Soha Al Beitawi
- Reproductive Sciences Laboratory, Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - Massimo Candiani
- Vita-Salute San Raffaele University and IRCCS San Raffaele Hospital, Milano, Italy
| | - Paola Viganò
- Reproductive Sciences Laboratory, Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, Milano, Italy.
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