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Mentese A, Demir S, Yulug E, Kucuk H, Alemdar NT, Demir EA, Aliyazicioglu Y. Gentisic acid attenuates 5-fluorouracil-induced ovotoxicity in rats via modulating Nrf2 signalling: An experimental approach. Reprod Toxicol 2024; 128:108661. [PMID: 38986848 DOI: 10.1016/j.reprotox.2024.108661] [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: 03/15/2024] [Revised: 06/25/2024] [Accepted: 07/06/2024] [Indexed: 07/12/2024]
Abstract
5-Fluorouracil (5-FU) is the third most used chemotherapeutic in the world with its anticancer effect resulting from its potential to block DNA replication. Like other cytotoxic agents, 5-FU has side effects on healthy tissues, and the reproductive system is among the tissues most affected by these undesirable effects. Gentisic acid (GEA) is a secondary metabolite that is abundant in fruits, vegetables and spices and has antioxidant activity. This study was conducted to investigate the toxicity of 5-FU in rat ovarian tissue and to determine the therapeutic activity of GEA on ovotoxicity caused by 5-FU. The results showed that 5-FU caused histopathological findings by suppressing Nrf2 pathway and accordingly increasing oxidative stress, inflammation, endoplasmic reticulum stress and apoptosis. However, GEA treatments after 5-FU application ameliorated 5-FU-induced ovotoxicity dose-dependently through activation of Nrf2 pathway. All these findings provided strong evidence supporting the hypothesis that GEA treatment may have therapeutic effects against 5-FU-induced ovarian damage. However, the beneficial effect of GEA use in eliminating ovarian damage in women after 5-FU chemotherapy should continue to be investigated with more detailed molecular studies.
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Affiliation(s)
- Ahmet Mentese
- Department of Medical Services and Techniques, Vocational School of Health Services, Karadeniz Technical University, Trabzon 61080, Turkiye
| | - Selim Demir
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Karadeniz Technical University, Trabzon 61080, Turkiye.
| | - Esin Yulug
- Department of Histology and Embryology, Faculty of Medicine, Karadeniz Technical University, Trabzon 61080, Turkey
| | - Hatice Kucuk
- Department of Pathology, Kanuni Training and Research Hospital, University of Health Sciences, Trabzon 61250, Turkiye
| | - Nihal Turkmen Alemdar
- Department of Medical Biochemistry, Graduate School of Health Sciences, Karadeniz Technical University, Trabzon 61080, Turkiye; Department of Medical Services and Techniques, Vocational School of Health Services, Recep Tayyip Erdogan University, Rize 53100, Turkiye
| | - Elif Ayazoglu Demir
- Department of Chemistry and Chemical Processing Technologies, Macka Vocational School, Karadeniz Technical University, Trabzon 61750, Turkiye
| | - Yuksel Aliyazicioglu
- Department of Medical Biochemistry, Faculty of Medicine, Karadeniz Technical University, Trabzon 61080, Turkey
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2
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Markowska A, Antoszczak M, Markowska J, Huczyński A. Gynotoxic Effects of Chemotherapy and Potential Protective Mechanisms. Cancers (Basel) 2024; 16:2288. [PMID: 38927992 PMCID: PMC11202309 DOI: 10.3390/cancers16122288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 06/16/2024] [Accepted: 06/18/2024] [Indexed: 06/28/2024] Open
Abstract
Chemotherapy is one of the leading cancer treatments. Unfortunately, its use can contribute to several side effects, including gynotoxic effects in women. Ovarian reserve suppression and estrogen deficiency result in reduced quality of life for cancer patients and are frequently the cause of infertility and early menopause. Classic alkylating cytostatics are among the most toxic chemotherapeutics in this regard. They cause DNA damage in ovarian follicles and the cells they contain, and they can also induce oxidative stress or affect numerous signaling pathways. In vitro tests, animal models, and a few studies among women have investigated the effects of various agents on the protection of the ovarian reserve during classic chemotherapy. In this review article, we focused on the possible beneficial effects of selected hormones (anti-Müllerian hormone, ghrelin, luteinizing hormone, melatonin), agents affecting the activity of apoptotic pathways and modulating gene expression (C1P, S1P, microRNA), and several natural (quercetin, rapamycin, resveratrol) and synthetic compounds (bortezomib, dexrazoxane, goserelin, gonadoliberin analogs, imatinib, metformin, tamoxifen) in preventing gynotoxic effects induced by commonly used cytostatics. The presented line of research appears to provide a promising strategy for protecting and/or improving the ovarian reserve in the studied group of cancer patients. However, well-designed clinical trials are needed to unequivocally assess the effects of these agents on improving hormonal function and fertility in women treated with ovotoxic anticancer drugs.
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Affiliation(s)
- Anna Markowska
- Department of Perinatology and Women’s Health, Poznań University of Medical Sciences, 60-535 Poznań, Poland
| | - Michał Antoszczak
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, 61-614 Poznań, Poland
| | - Janina Markowska
- Gynecological Oncology Center, Poznańska 58A, 60-850 Poznań, Poland;
| | - Adam Huczyński
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, 61-614 Poznań, Poland
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3
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Ayazoglu Demir E, Mentese A, Kucuk H, Turkmen Alemdar N, Demir S. The therapeutic effect of silibinin against 5-fluorouracil-induced ovarian toxicity in rats. J Biochem Mol Toxicol 2023; 37:e23408. [PMID: 37335224 DOI: 10.1002/jbt.23408] [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: 01/29/2022] [Revised: 05/28/2023] [Accepted: 06/08/2023] [Indexed: 06/21/2023]
Abstract
5-Fluorouracil (5-FU) is a fluoropyrimidine group antineoplastic drug with antimetabolite properties and ovotoxicity is one of the most important side effects. Silibinin (SLB) is a natural compound that is used worldwide and stands out with its antioxidant and anti-inflammatory properties. The aim of this study was to evaluate the therapeutic effect of SLB in 5-FU-induced ovototoxicity using biochemical and histological analysis. This study was carried out in five main groups containing six rats in each group: control, SLB (5 mg/kg), 5-FU (100 mg/kg), 5-FU + SLB (2.5 mg/kg), and 5-FU + SLB (5 mg/kg). The levels of ovarian malondialdehyde (MDA), total oxidant status (TOS), total antioxidant status (TAS), superoxide dismutase (SOD), catalase (CAT), 8-hydroxy-2'-deoxyguanosine (8-OHdG), tumor necrosis factor-alpha (TNF-α), myeloperoxidase (MPO), and caspase-3 were determined using spectrophotometric methods. Hematoxylin and eosin staining method was employed for histopathological examination. MDA, TOS, 8-OHdG, TNF-α, MPO, and caspase-3 levels in 5-FU group were significantly increased compared with the control group, while the levels of TAS, SOD, and CAT were decreased (p < 0.05). SLB treatments statistically significantly restored this damage in a dose-dependent manner (p < 0.05). Although vascular congestion, edema, hemorrhage, follicular degeneration, and leukocyte infiltration were significantly higher in the 5-FU group compared with the control group, SLB treatments also statistically significantly restored these damages (p < 0.05). In conclusion, SLB has a therapeutic effect on the ovarian damage induced by 5-FU via decreasing the levels of oxidative stress, inflammation, and apoptosis. It may be helpful to consider the usefulness of SLB as an adjuvant therapy to counteract the side effects of chemotherapy.
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Affiliation(s)
- Elif Ayazoglu Demir
- Department of Chemistry and Chemical Processing Technologies, Macka Vocational School, Karadeniz Technical University, Trabzon, Turkiye
| | - Ahmet Mentese
- Department of Medical Biochemistry, Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkiye
| | - Hatice Kucuk
- Department of Pathology, Kanuni Training and Research Hospital, University of Health Sciences, Trabzon, Turkiye
| | - Nihal Turkmen Alemdar
- Department of Medical Biochemistry, Graduate School of Health Sciences, Karadeniz Technical University, Trabzon, Turkiye
- Department of Medical Services and Techniques, Vocational School of Health Services, Recep Tayyip Erdogan University, Rize, Turkiye
| | - Selim Demir
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Karadeniz Technical University, Trabzon, Turkiye
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Abstract
The aim of the present study was to evaluate the protective effect of gallic acid (GA) against cisplatin (CDDP)-induced ovarian toxicity, for the first time. The ovarian damage was generated with CDDP (5 mg/kg) intraperitoneally (i.p.) administration in rats. GA (2.5 and 5 mg/kg) were administered i.p. for 3 consecutive days. The study was carried out in 5 main groups containing 6 rats in each group: control, GA (5 mg/kg), CDDP, CDDP + GA (2.5 mg/kg) and CDDP + GA (5 mg/kg). The levels of ovarian malondialdehyde (MDA), total oxidant status (TOS), total antioxidant status (TAS), oxidative stress index (OSI), catalase (CAT), 8-hydroxy-2'-deoxyguanosine (8-OHdG), caspase-3 and tumor necrosis factor-alpha (TNF-α) were determined. Hematoxylin and eosin staining method was employed for the histopathological examination. In the CDDP group, it is determined that statistically significant decreasing in the levels of TAS and CAT, and increasing in the levels of MDA, TOS, OSI, 8-OHdG, caspase-3 and TNF-α (p < 0.05) compared with control group. GA administrations statistically significantly restored this damage (p < 0.05). Although vascular congestion, edema, hemorrhage, follicular degeneration and leukocyte infiltration were significantly higher in the CDDP group than in the control group, GA administrations statistically significantly restored these damages (p < 0.05). In conclusion, this study showed that GA prevented CDDP-induced ovarian damage with its antioxidant, anti-apoptotic and anti-inflammatory activities. More comprehensive studies are needed to see the underlying mechanisms.
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Pirzaman AT, Ebrahimi P, Doostmohamadian S, Karim B, Almasi D, Madani F, Moghadamnia A, Kazemi S. 5-Flourouracil-induced toxicity in both male and female reproductive systems: A narrative review. Hum Exp Toxicol 2023; 42:9603271231217988. [PMID: 38064424 DOI: 10.1177/09603271231217988] [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] [Indexed: 12/18/2023]
Abstract
The chemotherapeutic drug 5-flourouracil (5FU) is frequently used to treat a wide range of solid malignant tumors, such as colorectal, pancreatic, gastric, breast, and head and neck cancers. Its antitumoral effects are achieved by interfering with the synthesis of RNA and DNA and by inhibiting thymidylate synthase in both malignant and non-malignant cells. Therefore, it can be responsible for severe toxicities in crucial body organs, including heart, liver, kidney, and reproductive system. Given the fact that 5FU-induced reproductive toxicity may limit the clinical application of this drug, in this study, we aimed to discuss the main locations and mechanisms of the 5FU-induced reproductive toxicity. Initially, we discussed the impact of 5FU on the male reproductive system, which leads to damage of the seminiferous epithelial cells and the development of vacuoles in Sertoli cells. Although no noticeable changes occur at the histopathological level, there is a decrease in the weight of the prostate. Additionally, 5FU causes significant abnormalities in spermatogenesis, including germ cell shedding, spermatid halo formation, polynucleated giant cells, and decreased sperm count. Finally, in females, 5FU-induced reproductive toxicity is characterized by the presence of atretic secondary and antral follicles with reduced numbers of growing follicles, ovarian weight, and maturity impairment.
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Affiliation(s)
- Ali Tavakoli Pirzaman
- Student research committee, Health Research Center, Babol University of Medical Science, Babol, Iran
| | - Pouyan Ebrahimi
- Student research committee, Health Research Center, Babol University of Medical Science, Babol, Iran
| | | | - Bardia Karim
- Student research committee, Health Research Center, Babol University of Medical Science, Babol, Iran
| | - Darya Almasi
- Pharmaceutical Sciences Research Center, Health Research Institute, Babol University of Medical Science, Babol, Iran
| | - Fatemeh Madani
- Department of Pharmacology and Toxicology, School of Medicine, Babol University of Medical Science, Babol, Iran
| | - Ahmadreza Moghadamnia
- Student research committee, Health Research Center, Babol University of Medical Science, Babol, Iran
| | - Sohrab Kazemi
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Science, Babol, Iran
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6
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Frost ER, Ford EA, Peters AE, Lovell-Badge R, Taylor G, McLaughlin EA, Sutherland JM. A New Understanding, Guided by Single-Cell Sequencing, of the Establishment and Maintenance of the Ovarian Reserve in Mammals. Sex Dev 2022; 17:145-155. [PMID: 36122567 DOI: 10.1159/000526426] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 08/04/2022] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Oocytes are a finite and non-renewable resource that are maintained in primordial follicle structures. The ovarian reserve is the totality of primordial follicles, present from birth, within the ovary and its establishment, size, and maintenance dictates the duration of the female reproductive lifespan. Understanding the cellular and molecular dynamics relevant to the establishment and maintenance of the reserve provides the first steps necessary for modulating both individual human and animal reproductive health as well as population dynamics. SUMMARY This review details the key stages of establishment and maintenance of the ovarian reserve, encompassing germ cell nest formation, germ cell nest breakdown, and primordial follicle formation and activation. Furthermore, we spotlight several formative single-cell sequencing studies that have significantly advanced our knowledge of novel molecular regulators of the ovarian reserve, which may improve our ability to modulate female reproductive lifespans. KEY MESSAGES The application of single-cell sequencing to studies of ovarian development in mammals, especially when leveraging genetic and environmental models, offers significant insights into fertility and its regulation. Moreover, comparative studies looking at key stages in the development of the ovarian reserve across species has the potential to impact not just human fertility, but also conservation biology, invasive species management, and agriculture.
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Affiliation(s)
- Emily R Frost
- Priority Research Centre for Reproductive Science, Schools of Biomedical Science & Pharmacy and Environmental & Life Sciences, University of Newcastle, Callaghan, New South Wales, Australia
- Hunter Medical Research Institute, New Lambton Heights, New South Wales, Australia
- Laboratory of Stem Cell Biology and Developmental Genetics, The Francis Crick Institute, London, UK
- Centre for Endocrinology and Metabolism, Hudson Institute of Medical Research, Clayton, Victoria, Australia
| | - Emmalee A Ford
- Priority Research Centre for Reproductive Science, Schools of Biomedical Science & Pharmacy and Environmental & Life Sciences, University of Newcastle, Callaghan, New South Wales, Australia
- Hunter Medical Research Institute, New Lambton Heights, New South Wales, Australia
| | - Alexandra E Peters
- Priority Research Centre for Reproductive Science, Schools of Biomedical Science & Pharmacy and Environmental & Life Sciences, University of Newcastle, Callaghan, New South Wales, Australia
- Hunter Medical Research Institute, New Lambton Heights, New South Wales, Australia
| | - Robin Lovell-Badge
- Laboratory of Stem Cell Biology and Developmental Genetics, The Francis Crick Institute, London, UK
| | - Güneş Taylor
- Laboratory of Stem Cell Biology and Developmental Genetics, The Francis Crick Institute, London, UK
| | - Eileen A McLaughlin
- Priority Research Centre for Reproductive Science, Schools of Biomedical Science & Pharmacy and Environmental & Life Sciences, University of Newcastle, Callaghan, New South Wales, Australia
- Hunter Medical Research Institute, New Lambton Heights, New South Wales, Australia
- Faculty of Science, Medicine & Health, University of Wollongong, Wollongong, New South Wales, Australia
- School of Biological Sciences, Faculty of Science, University of Auckland, Auckland, New Zealand
| | - Jessie M Sutherland
- Priority Research Centre for Reproductive Science, Schools of Biomedical Science & Pharmacy and Environmental & Life Sciences, University of Newcastle, Callaghan, New South Wales, Australia
- Hunter Medical Research Institute, New Lambton Heights, New South Wales, Australia
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7
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Reproductive and developmental toxicities of 5-fluorouracil in model organisms and humans. Expert Rev Mol Med 2022; 24:e9. [PMID: 35098910 PMCID: PMC9884763 DOI: 10.1017/erm.2022.3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Chemotherapy, as an important clinical treatment, has greatly enhanced survival in cancer patients, but the side effects and long-term sequelae bother both patients and clinicians. 5-Fluorouracil (5-FU) has been widely used as a chemotherapeutic agent in the clinical treatment of various cancers, but several studies showed its adverse effects on reproduction. Reproductive toxicity of 5-FU often associates with developmental block, malformation and ovarian damage in the females. In males, 5-FU administration alters the morphology of sexual organs, the levels of reproductive endocrine hormones and the progression of spermatogenesis, ultimately reducing sperm numbers. Mechanistically, 5-FU exerts its effect through incorporating the active metabolites into nucleic acids directly, or inhibiting thymidylate synthase to disrupt the function of DNA and RNA, leading to profound effects on cellular metabolism and viability. However, some studies suggested that the toxicity of 5-FU on reproduction is reversible and certain drugs used in combination with 5-FU during chemotherapy could protect reproductive systems from 5-FU damage both in females and males. Herein, we summarise the recent findings and discuss underlying mechanisms of the 5-FU-induced reproductive toxicity, providing a reference for future research and clinical treatments.
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8
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Almeida JZ, Vieira LA, Maside C, Ferreira ACA, Sá NAR, Correia HHV, Araújo VR, Raposo RS, Smitz J, Campello CC, Figueiredo JR, Oriá RB. In vitro cytotoxic effects of 5-Fluorouracil on isolated murine ovarian preantral follicles. Theriogenology 2022; 178:60-66. [PMID: 34775200 DOI: 10.1016/j.theriogenology.2021.10.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 10/16/2021] [Accepted: 10/20/2021] [Indexed: 12/01/2022]
Abstract
5 fluorouracil (5FU), an antineoplastic drug, is often utilized in the therapeutic regimen for several types of cancer, including the hepatoblastoma in children. The effects of 5FU on the population of ovarian preantral follicles, which is the largest oocyte reservoir, is still poorly understood. The integrity of the ovarian preantral follicle pool is important for lifelong fertility. The better understanding of such effects may favor intervention strategies to protect fertility in 5FU-treated children and women coping with cancer. To analyze the effects of 5FU on isolated murine secondary follicles in vitro, ovaries were collected from young mice (28-30 days old), and secondary follicles were isolated and cultured for 12 days in basic culture medium, with or without 5FU at concentrations of 0.3 mM, 1 mM, 3 mM, 10 mM, and 30 mM. In the in vitro study, we analyzed the percentage of morphologically normal follicles, antrum formation, follicular diameter, and hormone production. On day 12, oocytes were recovered for in vitro maturation. 5FU treatment did not alter the percentage of morphologically normal follicles. On day 12, only 1, 10, and 30 mM 5FU significantly reduced the percentage of antrum. From day 4 onwards, 5FU treatments significantly reduced follicle diameter. The meiosis resumption rate was significantly lower in all 5FU treatments. 5FU concentrations ≥3 mM reduced estradiol levels. In conclusion, 5FU does not affect follicular morphology. However, 5FU deleteriously affects follicular growth, estradiol production, and oocyte maturation in isolated ovarian follicles.
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Affiliation(s)
- Juliana Z Almeida
- Laboratory of Tissue Healing, Ontogeny, and Nutrition (LABICONTE), Department of Morphology, Institute of Biomedicine, School of Medicine, Federal University of Ceara (UFC), 1315 Rua Cel. Nunes de Melo, Fortaleza, CE, 60430-270, Brazil
| | - L A Vieira
- Faculty of Veterinary Medicine, Laboratory of Oocytes and Preantral Follicles Manipulation (LAMOFOPA), State University of Ceara (UECE), 1700 Av. Dr. Silas Munguba, Fortaleza, CE, 60741-000, Brazil
| | - C Maside
- Faculty of Veterinary Medicine, Laboratory of Oocytes and Preantral Follicles Manipulation (LAMOFOPA), State University of Ceara (UECE), 1700 Av. Dr. Silas Munguba, Fortaleza, CE, 60741-000, Brazil
| | - A C A Ferreira
- Faculty of Veterinary Medicine, Laboratory of Oocytes and Preantral Follicles Manipulation (LAMOFOPA), State University of Ceara (UECE), 1700 Av. Dr. Silas Munguba, Fortaleza, CE, 60741-000, Brazil
| | - N A R Sá
- Faculty of Veterinary Medicine, Laboratory of Oocytes and Preantral Follicles Manipulation (LAMOFOPA), State University of Ceara (UECE), 1700 Av. Dr. Silas Munguba, Fortaleza, CE, 60741-000, Brazil
| | - H H V Correia
- Faculty of Veterinary Medicine, Laboratory of Oocytes and Preantral Follicles Manipulation (LAMOFOPA), State University of Ceara (UECE), 1700 Av. Dr. Silas Munguba, Fortaleza, CE, 60741-000, Brazil
| | - V R Araújo
- Faculty of Veterinary Medicine, Laboratory of Oocytes and Preantral Follicles Manipulation (LAMOFOPA), State University of Ceara (UECE), 1700 Av. Dr. Silas Munguba, Fortaleza, CE, 60741-000, Brazil
| | - R S Raposo
- Experimental Biology Center, University of Fortaleza (UNIFOR), 1321 Av. Washington Soares, Fortaleza, CE, 60811-905, Brazil
| | - J Smitz
- Laboratory of Follicle Biology, Center for Reproductive Medicine, UZ Brussel, Laarbeeklaan 101, Brussels, B-1090, Brazil
| | - C C Campello
- Faculty of Veterinary Medicine, Laboratory of Oocytes and Preantral Follicles Manipulation (LAMOFOPA), State University of Ceara (UECE), 1700 Av. Dr. Silas Munguba, Fortaleza, CE, 60741-000, Brazil
| | - J R Figueiredo
- Faculty of Veterinary Medicine, Laboratory of Oocytes and Preantral Follicles Manipulation (LAMOFOPA), State University of Ceara (UECE), 1700 Av. Dr. Silas Munguba, Fortaleza, CE, 60741-000, Brazil.
| | - R B Oriá
- Laboratory of Tissue Healing, Ontogeny, and Nutrition (LABICONTE), Department of Morphology, Institute of Biomedicine, School of Medicine, Federal University of Ceara (UFC), 1315 Rua Cel. Nunes de Melo, Fortaleza, CE, 60430-270, Brazil
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9
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Naren G, Wang L, Zhang X, Cheng L, Yang S, Yang J, Guo J, Nashun B. The reversible reproductive toxicity of 5-fluorouracil in mice. Reprod Toxicol 2021; 101:1-8. [PMID: 33581264 DOI: 10.1016/j.reprotox.2021.02.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 01/15/2021] [Accepted: 02/03/2021] [Indexed: 11/22/2022]
Abstract
5-Fluorouracil (5-FU) is a "cytotoxic" drug used for cancer chemotherapy, which inhibits cells division via affecting DNA synthesis. Although being widely used for cancer treatment, 5-FU has non-negligible side effects. In the present study, the effects of 5-FU on oocyte and early embryonic development were investigated. Multiple intraperitoneal administration of 5-FU (50 mg/kg/day) in female mice resulted in small ovarian size and reduced number of corpus luteum in the ovary, and lead to ovulation failure. However, these defects could be recovered after one week. In vitro experiments further indicated that exposure to 5-FU inhibited oocytes maturation and reduced developmental potential of pre-implantation embryos. Our data suggested that 5-FU has negative impact on ovarian function, oocyte and early embryonic development, but the adverse effect could be reversed after withdrawal of 5-FU administration.
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Affiliation(s)
- Gerile Naren
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Lu Wang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Xiaolei Zhang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Lijuan Cheng
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Shuai Yang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Jiajie Yang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Jiaojiao Guo
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Buhe Nashun
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China.
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10
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Almeida JZ, Lima LF, Vieira LA, Maside C, Ferreira ACA, Araújo VR, Duarte ABG, Raposo RS, Báo SN, Campello CC, Oliveira LFS, da Costa TP, Abreu JG, Figueiredo JR, Oriá RB. 5-Fluorouracil disrupts ovarian preantral follicles in young C57BL6J mice. Cancer Chemother Pharmacol 2021; 87:567-578. [PMID: 33471160 DOI: 10.1007/s00280-020-04217-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 12/11/2020] [Indexed: 11/26/2022]
Abstract
PURPOSE 5-Fluorouracil (5-FU), an anti-cancer drug, has been used for hepatoblastoma (HB) chemotherapy in children, who may have impaired ovarian follicle pool reserve with lasting effects to reproduction. Therefore, this study aimed to investigate 5-FU effects on survival, growth, and morphology of ovarian preantral follicles from C57BL6J young mice. METHODS Experiments were carried-out both in vivo and in vitro. Mice were treated with 5-FU injection (450 mg/kg i.p) or saline and sacrificed 3 days after to obtain ovaries for histology and molecular biology. Ovaries for in vitro studies were obtained from unchallenged mice and cultured under basic culture medium (BCM) or BCM plus 5-FU (9.2, 46.1, 92.2 mM). Preantral follicles were classified according to developmental stages, and as normal or degenerated. To assess cell viability, caspase-3 immunostaining was performed. Transcriptional levels for apoptosis (Bax, Bcl2, p53, Bax/Bcl2) and Wnt pathway genes (Wnt2 and Wnt4) were also analyzed. Ultrastructural analyses were carried-out on non-cultured ovaries. In addition, β-catenin immunofluorescence was assessed in mouse ovaries. RESULTS The percentage of all-types normal follicles was significantly lower after 5-FU challenge. A total loss of secondary normal follicles was found in the 5-FU group. The highest 5-FU concentrations reduced the percentage of cultured normal primordial follicles. Large vacuoles were seen in granulosa cells and ooplasm of preantral follicles by electron microscopy. A significantly higher gene expression for Bax and Bax/Bcl2 ratio was seen after 5-FU treatment. A marked reduction in β-catenin immunolabeling was seen in 5-FU-challenged preantral follicles. In the in vitro experiments, apoptotic and Wnt gene transcriptions were significantly altered. CONCLUSION Altogether, our findings suggest that 5-FU can deleteriously affect the ovarian follicle reserve by reducing preantral follicles survival.
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Affiliation(s)
- Juliana Z Almeida
- Department of Morphology, Institute of Biomedicine, Laboratory of the Biology of Tissue Healing, Ontogeny and Nutrition, School of Medicine, Federal University of Ceara, 1315 Rua Cel. Nunes de Melo, Fortaleza, CE, 60430-270, Brazil
| | - Laritza F Lima
- Faculty of Veterinary Medicine, Laboratory of Manipulation of Oocytes and Preantral Follicles (LAMOFOPA), State University of Ceara, Fortaleza, CE, Brazil
| | - Luís A Vieira
- Faculty of Veterinary Medicine, Laboratory of Manipulation of Oocytes and Preantral Follicles (LAMOFOPA), State University of Ceara, Fortaleza, CE, Brazil
| | - Carolina Maside
- Faculty of Veterinary Medicine, Laboratory of Manipulation of Oocytes and Preantral Follicles (LAMOFOPA), State University of Ceara, Fortaleza, CE, Brazil
| | - Anna C A Ferreira
- Faculty of Veterinary Medicine, Laboratory of Manipulation of Oocytes and Preantral Follicles (LAMOFOPA), State University of Ceara, Fortaleza, CE, Brazil
| | - Valdevane R Araújo
- Faculty of Veterinary Medicine, Laboratory of Manipulation of Oocytes and Preantral Follicles (LAMOFOPA), State University of Ceara, Fortaleza, CE, Brazil
| | - Ana B G Duarte
- Department of Morphology, Faculty of Medicine, Federal University of Ceara, Fortaleza, CE, Brazil
| | - Ramon S Raposo
- Experimental Biology Core, University of Fortaleza, Fortaleza, CE, Brazil
| | - Sônia N Báo
- Laboratory of Electron Microscopy, Department of Cell Biology, University of Brasilia, Brasília, DF, Brazil
| | - Cláudio C Campello
- Faculty of Veterinary Medicine, Laboratory of Manipulation of Oocytes and Preantral Follicles (LAMOFOPA), State University of Ceara, Fortaleza, CE, Brazil
| | - Luiz F S Oliveira
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Thayse P da Costa
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - José Garcia Abreu
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - José R Figueiredo
- Faculty of Veterinary Medicine, Laboratory of Manipulation of Oocytes and Preantral Follicles (LAMOFOPA), State University of Ceara, Fortaleza, CE, Brazil
| | - Reinaldo B Oriá
- Department of Morphology, Institute of Biomedicine, Laboratory of the Biology of Tissue Healing, Ontogeny and Nutrition, School of Medicine, Federal University of Ceara, 1315 Rua Cel. Nunes de Melo, Fortaleza, CE, 60430-270, Brazil.
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11
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Oocytes can efficiently repair DNA double-strand breaks to restore genetic integrity and protect offspring health. Proc Natl Acad Sci U S A 2020; 117:11513-11522. [PMID: 32381741 DOI: 10.1073/pnas.2001124117] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Female fertility and offspring health are critically dependent on an adequate supply of high-quality oocytes, the majority of which are maintained in the ovaries in a unique state of meiotic prophase arrest. While mechanisms of DNA repair during meiotic recombination are well characterized, the same is not true for prophase-arrested oocytes. Here we show that prophase-arrested oocytes rapidly respond to γ-irradiation-induced DNA double-strand breaks by activating Ataxia Telangiectasia Mutated, phosphorylating histone H2AX, and localizing RAD51 to the sites of DNA damage. Despite mobilizing the DNA repair response, even very low levels of DNA damage result in the apoptosis of prophase-arrested oocytes. However, we show that, when apoptosis is inhibited, severe DNA damage is corrected via homologous recombination repair. The repair is sufficient to support fertility and maintain health and genetic fidelity in offspring. Thus, despite the preferential induction of apoptosis following exogenously induced genotoxic stress, prophase-arrested oocytes are highly capable of functionally efficient DNA repair. These data implicate DNA repair as a key quality control mechanism in the female germ line and a critical determinant of fertility and genetic integrity.
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12
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Winship AL, Carpenter M, Griffiths M, Hutt KJ. Vincristine Chemotherapy Induces Atresia of Growing Ovarian Follicles in Mice. Toxicol Sci 2020; 169:43-53. [PMID: 30657998 DOI: 10.1093/toxsci/kfz022] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
With great advances in cancer detection and treatment, patient survival rates have improved substantially. Subsequently, significant efforts are now focused on improving the long-term sequelae of anticancer therapies in survivors, which includes fertility. Vincristine is a microtubule destabilizing antimitotic chemotherapeutic agent commonly administered for the treatment of cancers or autoimmune disorders prevalent in girls and women of reproductive age. The potential off-target effects of vincristine on the ovary have not been directly examined. Eight-week and 6-month-old C57BL/6J mice were administered with vincristine (1 mg/kg/bw/day) or saline on day (d)1, d4, and d8, then sacrificed after 24 hours (h), or 14 days (n = 4-6/group). We assessed the impact of vincristine on the ovarian reserve of quiescent primordial follicles, as well as growing follicles, which produce mature ovulatory oocytes. This study clearly demonstrated that multidose vincristine administration caused acute atresia and loss of growing follicles and reduced corpora luteua counts 24 h following final treatment. Treatment also disrupted estrous cycling and reduced serum anti-Müllerian hormone levels. However, primordial follicle numbers were unaffected, and growing follicle populations were restored to control levels 14 days after final treatment. Vincristine exerted similar effects on ovarian follicle populations in both 8-week-old reproductively young mice and reproductively older 6-month-old mice. This study suggests that vincristine, administrated at the current dose, is toxic to growing follicles but does not deplete primordial follicles in mice. Further studies should be performed before extrapolating these data to infer the consequences of vincristine on the ovary in humans.
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Affiliation(s)
- Amy L Winship
- Ovarian Biology Laboratory, Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
| | - Melanie Carpenter
- Ovarian Biology Laboratory, Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
| | - Meaghan Griffiths
- Ovarian Biology Laboratory, Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
| | - Karla J Hutt
- Ovarian Biology Laboratory, Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
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13
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Guerreiro DD, de Lima LF, de Sá NAR, Mbemya GT, Ferreira ACA, Alves BG, Sant'anna Maranhão S, do Ó Pessoa C, Pinheiro AC, Nogueira TCM, de Souza MVN, de Figueiredo JR, Rodrigues APR. Response of preantral follicles exposed to quinoxaline: A new compound with anticancer potential. Res Vet Sci 2019; 128:261-268. [PMID: 31837514 DOI: 10.1016/j.rvsc.2019.12.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 12/04/2019] [Accepted: 12/04/2019] [Indexed: 11/26/2022]
Abstract
The culture of preantral follicles as an in vitro model to evaluate the toxicity of new anticancer drug has being established. Therefore, the aim of this study was to evaluate the effect of quinoxaline derivative the 2 2- (XYZC 6H 3 -CH=N-NH)-quinoxaline, 1 (QX) on caprine preantral follicles. We evaluate the follicular morphology and activation, proliferation and apoptosis of granulosa cells and finally the protein (ABCB1) and genes expression (cyclin/Cdks), respectively involved in multidrug resistance and cell cycle progression. Ovarian fragments containing primordial and developing follicles were exposed (in vitro culture) to different concentrations of QX (QX1.5, QX3.0 or QX6.0 μM/mL) during 6 days. To evaluate the effect of QX, the ovarian tissue was exposed to Paclitaxel 0.1 μg/mL (PTX - negative control) or in culture media without QX (MEM). At the end of exposure time, we realized that the QX (all concentrations) increased (P < .05) the normal morphology of preantral follicles compared to control (not treated ovarian tissue) or MEM. However, QX6.0 showed a enhanced (P < .05) on follicular activation (burnout) and apoptosis than QX1.5 and QX3.0. Expression of ABCB1 was similar between QX1.5 and QX6.0 and both were lower than control, MEM and PTX. Interestingly, the apoptosis rate in QX3.0 was similar to control and MEM and lower then QX1.5; QX6.0 and PTX. We conclude that quinoxaline may be a promising chemotherapeutic agent, however, other concentrations within a defined range (2-5.5 μM) could be widely investigated.
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Affiliation(s)
- Denise Damasceno Guerreiro
- Laboratory of Manipulation of Oocyte and Ovarian Preantral Follicles (LAMOFOPA), Faculty of Veterinary (FAVET), State University of Ceará, Fortaleza, Brazil
| | - Laritza Ferreira de Lima
- Laboratory of Manipulation of Oocyte and Ovarian Preantral Follicles (LAMOFOPA), Faculty of Veterinary (FAVET), State University of Ceará, Fortaleza, Brazil
| | - Naíza Arcângela Ribeiro de Sá
- Laboratory of Manipulation of Oocyte and Ovarian Preantral Follicles (LAMOFOPA), Faculty of Veterinary (FAVET), State University of Ceará, Fortaleza, Brazil
| | - Gildas Tetaping Mbemya
- Laboratory of Manipulation of Oocyte and Ovarian Preantral Follicles (LAMOFOPA), Faculty of Veterinary (FAVET), State University of Ceará, Fortaleza, Brazil
| | - Anna Clara Accioly Ferreira
- Laboratory of Manipulation of Oocyte and Ovarian Preantral Follicles (LAMOFOPA), Faculty of Veterinary (FAVET), State University of Ceará, Fortaleza, Brazil
| | - Benner Geraldo Alves
- Laboratory of Biology of Reproduction, Federal University of Uberlândia, Minas Gerais, Brazil
| | | | - Cláudia do Ó Pessoa
- Department Pharmacology, Federal University of Ceará, Fortaleza, CE 60430-270, Brazil
| | | | | | | | - José Ricardo de Figueiredo
- Laboratory of Manipulation of Oocyte and Ovarian Preantral Follicles (LAMOFOPA), Faculty of Veterinary (FAVET), State University of Ceará, Fortaleza, Brazil
| | - Ana Paula Ribeiro Rodrigues
- Laboratory of Manipulation of Oocyte and Ovarian Preantral Follicles (LAMOFOPA), Faculty of Veterinary (FAVET), State University of Ceará, Fortaleza, Brazil.
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