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Ozturk S. Molecular determinants of the meiotic arrests in mammalian oocytes at different stages of maturation. Cell Cycle 2022; 21:547-571. [PMID: 35072590 PMCID: PMC8942507 DOI: 10.1080/15384101.2022.2026704] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Mammalian oocytes undergo two rounds of developmental arrest during maturation: at the diplotene of the first meiotic prophase and metaphase of the second meiosis. These arrests are strictly regulated by follicular cells temporally producing the secondary messengers, cAMP and cGMP, and other factors to regulate maturation promoting factor (composed of cyclin B1 and cyclin-dependent kinase 1) levels in the oocytes. Out of these normally appearing developmental arrests, permanent arrests may occur in the oocytes at germinal vesicle (GV), metaphase I (MI), or metaphase II (MII) stage. This issue may arise from absence or altered expression of the oocyte-related genes playing key roles in nuclear and cytoplasmic maturation. Additionally, the assisted reproductive technology (ART) applications such as ovarian stimulation and in vitro culture conditions both of which harbor various types of chemical agents may contribute to forming the permanent arrests. In this review, the molecular determinants of developmental and permanent arrests occurring in the mammalian oocytes are comprehensively evaluated in the light of current knowledge. As number of permanently arrested oocytes at different stages is increasing in ART centers, potential approaches for inducing permanent arrests to obtain competent oocytes are discussed.
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Affiliation(s)
- Saffet Ozturk
- Department of Histology and Embryology, Akdeniz University School of Medicine, Antalya, Turkey,CONTACT Saffet Ozturk Department of Histology and Embryology, Akdeniz University School of Medicine, Antalya07070, Turkey
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Variations in the Expression Pattern of HSP27 and MSK1 Genes During the Development of Prehierarchical Follicles in the Zi Geese ( Anser Cygnoides). ANNALS OF ANIMAL SCIENCE 2020. [DOI: 10.2478/aoas-2019-0048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
The p38MAPKs (mitogen-activated protein kinases) signaling contributes a pivotal role in mammalian ovarian follicular development; however, the knowledge regarding their expression in geese remains unresolved. The objective of the current study was to determine the spatio-temporal expression of heat shock protein 27 (HSP27) and mitogen- and stress-activated protein kinase 1 (MSK1) genes in the prehierarchical follicles during geese ovarian development. The prehierarchical follicles samples were harvested from 35- to 37-week-old healthy laying geese. HSP27 and MSK1 relative expression in various sized prehierachical follicles was detected by real-time quantitative polymerase chain reaction (RT-qPCR) and western blotting. Follicular wall localization of HSP27 and MSK1 was examined by using immunohistochemistry. Our results at mRNA level indicated that HSP27 was highly expressed in middle white follicles whereas MSK1 was predominantly expressed in small white follicles. The western blotting results for HSP27 and MSK1 were inconsistent with the RT-qPCR results in various stages of prehierachical follicular development but noticeably, HSP27 proteins were still expressed more in middle white follicles while MSK1 proteins were more abundant in primary follicles. At different stages of prehierarchical development, immunodetections in the granulosa and theca cells revealed that HSP27 was intensively localized in middle white follicles while strong detections of MSK1 were observed in large white follicles. These results indicate HSP27 and MSK1 might be associated to the key regulators of folliculogenesis in geese.
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Gheldof A, Mackay DJG, Cheong Y, Verpoest W. Genetic diagnosis of subfertility: the impact of meiosis and maternal effects. J Med Genet 2019; 56:271-282. [PMID: 30728173 PMCID: PMC6581078 DOI: 10.1136/jmedgenet-2018-105513] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Revised: 12/24/2018] [Accepted: 12/27/2018] [Indexed: 02/06/2023]
Abstract
During reproductive age, approximately one in seven couples are confronted with fertility problems. While the aetiology is diverse, including infections, metabolic diseases, hormonal imbalances and iatrogenic effects, it is becoming increasingly clear that genetic factors have a significant contribution. Due to the complex nature of infertility that often hints at a multifactorial cause, the search for potentially causal gene mutations in idiopathic infertile couples has remained difficult. Idiopathic infertility patients with a suspicion of an underlying genetic cause can be expected to have mutations in genes that do not readily affect general health but are only essential in certain processes connected to fertility. In this review, we specifically focus on genes involved in meiosis and maternal-effect processes, which are of critical importance for reproduction and initial embryonic development. We give an overview of genes that have already been linked to infertility in human, as well as good candidates which have been described in other organisms. Finally, we propose a phenotypic range in which we expect an optimal diagnostic yield of a meiotic/maternal-effect gene panel.
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Affiliation(s)
- Alexander Gheldof
- Center for Medical Genetics, Universitair Ziekenhuis Brussel, Brussels, Belgium
- Reproduction and Genetics Department, Vrije Universiteit Brussel, Brussels, Belgium
| | - Deborah J G Mackay
- Faculty of Medicine, University of Southampton, Southampton University Hospital, Southampton, UK
| | - Ying Cheong
- Complete Fertility, Human Development of Health, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Willem Verpoest
- Reproduction and Genetics Department, Vrije Universiteit Brussel, Brussels, Belgium
- Center for Reproductive Medicine, Universitair Ziekenhuis Brussel, Brussels, Belgium
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Soeda S, Yamada-Nomoto K, Michiue T, Ohsugi M. RSK-MASTL Pathway Delays Meiotic Exit in Mouse Zygotes to Ensure Paternal Chromosome Stability. Dev Cell 2018; 47:363-376.e5. [DOI: 10.1016/j.devcel.2018.09.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 06/25/2018] [Accepted: 09/09/2018] [Indexed: 11/30/2022]
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Kalous J, Tetkova A, Kubelka M, Susor A. Importance of ERK1/2 in Regulation of Protein Translation during Oocyte Meiosis. Int J Mol Sci 2018; 19:ijms19030698. [PMID: 29494492 PMCID: PMC5877559 DOI: 10.3390/ijms19030698] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 02/23/2018] [Accepted: 02/26/2018] [Indexed: 02/07/2023] Open
Abstract
Although the involvement of the extracellular signal-regulated kinases 1 and 2 (ERK1/2) pathway in the regulation of cytostatic factor (CSF) activity; as well as in microtubules organization during meiotic maturation of oocytes; has already been described in detail; rather less attention has been paid to the role of ERK1/2 in the regulation of mRNA translation. However; important data on the role of ERK1/2 in translation during oocyte meiosis have been documented. This review focuses on recent findings regarding the regulation of translation and the role of ERK1/2 in this process in the meiotic cycle of mammalian oocytes. The specific role of ERK1/2 in the regulation of mammalian target of rapamycin (mTOR); eukaryotic translation initiation factor 4E (eIF4E) and cytoplasmic polyadenylation element binding protein 1 (CPEB1) activity is addressed along with additional focus on the other key players involved in protein translation.
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Affiliation(s)
- Jaroslav Kalous
- Institute of Animal Physiology and Genetics, Academy of Sciences of the Czech Republic, Rumburska 89, 27721 Libechov, Czech Republic.
| | - Anna Tetkova
- Institute of Animal Physiology and Genetics, Academy of Sciences of the Czech Republic, Rumburska 89, 27721 Libechov, Czech Republic.
- Department of Cell Biology, Faculty of Science, Charles University in Prague, Albertov 6, 12843 Prague 2, Czech Republic.
| | - Michal Kubelka
- Institute of Animal Physiology and Genetics, Academy of Sciences of the Czech Republic, Rumburska 89, 27721 Libechov, Czech Republic.
| | - Andrej Susor
- Institute of Animal Physiology and Genetics, Academy of Sciences of the Czech Republic, Rumburska 89, 27721 Libechov, Czech Republic.
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Tiwari M, Gupta A, Sharma A, Prasad S, Pandey AN, Yadav PK, Pandey AK, Shrivastav TG, Chaube SK. Role of Mitogen Activated Protein Kinase and Maturation Promoting Factor During the Achievement of Meiotic Competency in Mammalian Oocytes. J Cell Biochem 2017; 119:123-129. [DOI: 10.1002/jcb.26184] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Accepted: 06/01/2017] [Indexed: 12/25/2022]
Affiliation(s)
- Meenakshi Tiwari
- Cell Physiology LaboratoryDepartment of ZoologyInstitute of ScienceBanaras Hindu UniversityVaranasiUttar Pradesh 221005India
| | - Anumegha Gupta
- Cell Physiology LaboratoryDepartment of ZoologyInstitute of ScienceBanaras Hindu UniversityVaranasiUttar Pradesh 221005India
| | - Alka Sharma
- Cell Physiology LaboratoryDepartment of ZoologyInstitute of ScienceBanaras Hindu UniversityVaranasiUttar Pradesh 221005India
| | - Shilpa Prasad
- Cell Physiology LaboratoryDepartment of ZoologyInstitute of ScienceBanaras Hindu UniversityVaranasiUttar Pradesh 221005India
| | - Ashutosh N. Pandey
- Cell Physiology LaboratoryDepartment of ZoologyInstitute of ScienceBanaras Hindu UniversityVaranasiUttar Pradesh 221005India
| | - Pramod K. Yadav
- Cell Physiology LaboratoryDepartment of ZoologyInstitute of ScienceBanaras Hindu UniversityVaranasiUttar Pradesh 221005India
| | - Ajai K. Pandey
- Faculty of AyurvedaDepartment of KayachikitsaBanaras Hindu UniversityVaranasiUttar Pradesh 221005India
| | - Tulsidas G. Shrivastav
- Department of Reproductive BiomedicineNational Institute of Health and Family WelfareBaba Gang Nath MargMunirkaNew Delhi 110067India
| | - Shail K. Chaube
- Cell Physiology LaboratoryDepartment of ZoologyInstitute of ScienceBanaras Hindu UniversityVaranasiUttar Pradesh 221005India
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Miyagaki Y, Kanemori Y, Tanaka F, Baba T. Possible role of p38 MAPK-MNK1-EMI2 cascade in metaphase-II arrest of mouse oocytes. Biol Reprod 2014; 91:45. [PMID: 24920040 DOI: 10.1095/biolreprod.113.116962] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
The Mos-MAPK signaling pathway involving the Mos-MEK1/2-ERK1/2-RSK1/2/3 or MSK1-EMI2 cascade is directly linked to metaphase-II arrest of vertebrate oocytes. In this study, we examined whether p38, a member of the MAPK subfamily, is regulated under the control of Mos and contributes to metaphase-II arrest in the mouse oocyte. Morpholino oligonucleotide-mediated depletion of Mos revealed a remarkable decrease in phosphorylation of p38. Simultaneous treatment of oocytes with two chemical inhibitors of p38 and MEK1/2 induced both release from metaphase II and degradation of cyclin B1, whereas the treatment with each of these two inhibitors had little effect. Moreover, phosphorylation of EMI2 was dramatically abolished by addition of the two inhibitors. Indeed, MNK1, a kinase downstream of p38, exhibited the ability to phosphorylate EMI2. These results suggest that in addition to the Mos-MEK1/2 pathway, the Mos-mediated p38 pathway may be implicated in metaphase-II arrest.
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Affiliation(s)
- Yu Miyagaki
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba Science City, Ibaraki, Japan
| | - Yoshinori Kanemori
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba Science City, Ibaraki, Japan
| | - Fumi Tanaka
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba Science City, Ibaraki, Japan
| | - Tadashi Baba
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba Science City, Ibaraki, Japan Life Science Center of Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba Science City, Ibaraki, Japan
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Hörmanseder E, Tischer T, Mayer TU. Modulation of cell cycle control during oocyte-to-embryo transitions. EMBO J 2013; 32:2191-203. [PMID: 23892458 DOI: 10.1038/emboj.2013.164] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2013] [Accepted: 07/03/2013] [Indexed: 12/17/2022] Open
Abstract
Ex ovo omnia--all animals come from eggs--this statement made in 1651 by the English physician William Harvey marks a seminal break with the doctrine that all essential characteristics of offspring are contributed by their fathers, while mothers contribute only a material substrate. More than 360 years later, we now have a comprehensive understanding of how haploid gametes are generated during meiosis to allow the formation of diploid offspring when sperm and egg cells fuse. In most species, immature oocytes are arrested in prophase I and this arrest is maintained for few days (fruit flies) or for decades (humans). After completion of the first meiotic division, most vertebrate eggs arrest again at metaphase of meiosis II. Upon fertilization, this second meiotic arrest point is released and embryos enter highly specialized early embryonic divisions. In this review, we discuss how the standard somatic cell cycle is modulated to meet the specific requirements of different developmental stages. Specifically, we focus on cell cycle regulation in mature vertebrate eggs arrested at metaphase II (MII-arrest), the first mitotic cell cycle, and early embryonic divisions.
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Affiliation(s)
- Eva Hörmanseder
- Department of Biology and Konstanz Research School Chemical Biology, University of Konstanz, Konstanz, Germany
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Soeda S, Yamada K, Ohsugi M. Inactivation of mitogen-activated protein kinase is neither necessary nor sufficient for the onset of pronuclear formation in mouse oocytes. Genes Cells 2013; 18:850-8. [PMID: 23848224 DOI: 10.1111/gtc.12080] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2013] [Accepted: 05/30/2013] [Indexed: 12/01/2022]
Abstract
Mammalian oocytes are arrested at metaphase II due to high MAP kinase activity. After fertilization, oocytes resume meiosis, leading to female chromosome segregation, polar body emission and pronuclear (PN) formation. Previous biochemical studies showed that MAP kinase activity remained high for several hours after fertilization and began to decrease in parallel with PN formation. It has been thought that MAP kinase activity is incompatible with PN formation, and its inactivation is required for the initiation of PN formation in mammalian oocytes. In this study, we revisited this hypothesis by examining MAP kinase activity and PN formation in individual mouse oocytes using cytological analysis. We showed that MAP kinase activity in oocytes could be evaluated using phospho-ERK1/2 immunofluorescent staining. Co-immunofluorescent staining of phospho-ERK1/2 and nuclear pore components showed that PN formation preceded MAP kinase inactivation and could be initiated while MAP kinase activity was still high. Moreover, artificial inactivation of MAP kinase or its downstream target, ribosomal S6 kinase, accelerated but did not rapidly induce PN formation. Our results show that although the MAP kinase pathway negatively regulates PN formation, its inactivation is neither necessary nor sufficient for PN formation. These results suggest the involvement of other essential factor(s) in this process.
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Affiliation(s)
- Shou Soeda
- Division of Oncology, Department of Cancer Biology, The Institute of Medical Science, The University of Tokyo, Shirokanedai 4-6-1, Minato-ku, Tokyo, 108-8639, Japan; Department of Biochemistry and Biophysics, Graduate School of Science, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-8654, Japan
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Cell-Cycle Control in Oocytes and During Early Embryonic Cleavage Cycles in Ascidians. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2012; 297:235-64. [DOI: 10.1016/b978-0-12-394308-8.00006-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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