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Naillat F, Deshar G, Hankkila A, Rak-Raszewska A, Sharma A, Prunskaite-Hyyrylainen R, Railo A, Shan J, Vainio SJ. Calcium signaling induces partial EMT and renal fibrosis in a Wnt4 mCherry knock-in mouse model. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167180. [PMID: 38653356 DOI: 10.1016/j.bbadis.2024.167180] [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: 06/13/2023] [Revised: 04/04/2024] [Accepted: 04/14/2024] [Indexed: 04/25/2024]
Abstract
The renal tubular epithelial cells (TEC) have a strong capacity for repair after acute injury, but when this mechanism becomes uncontrollable, it leads to chronic kidney diseases (CKD). Indeed, in progress toward CKDs, the TECs may dedifferentiate, undergo epithelial-to-mesenchyme transition (EMT), and promote inflammation and fibrosis. Given the critical role of Wnt4 signaling in kidney ontogenesis, we addressed whether changes in this signaling are connected to renal inflammation and fibrosis by taking advantage of a knock-in Wnt4mCh/mCh mouse. While the Wnt4mCh/mCh embryos appeared normal, the corresponding mice, within one month, developed CKD-related phenotypes, such as pro-inflammatory responses including T-cell/macrophage influx, expression of fibrotic markers, and epithelial cell damage with a partial EMT. The Wnt signal transduction component β-catenin remained unchanged, while calcium signaling is induced in the injured TECs involving Nfat and Tfeb transcription factors. We propose that the Wnt4 signaling pathway is involved in repairing the renal injury, and when the signal is overdriven, CKD is established.
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Affiliation(s)
- Florence Naillat
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Finland.
| | - Ganga Deshar
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Finland
| | - Anni Hankkila
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Finland
| | | | - Abhishek Sharma
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Finland
| | | | - Antti Railo
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Finland
| | - Jingdong Shan
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Finland
| | - Seppo J Vainio
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Finland; Infotech Oulu, Kvantum Institute, University of Oulu, Finland
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Jiao A, Sun J, Sun Z, Zhao Y, Han T, Zhang H, Gao Q. Effects of limonin on oxidative stress and early apoptosis in oocytes during in vitro maturation. Theriogenology 2024; 218:8-15. [PMID: 38290232 DOI: 10.1016/j.theriogenology.2024.01.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/01/2024]
Abstract
To investigate the effects of limonin (Lim) on oxidative stress and early apoptosis in bovine oocytes during in vitro maturation (IVM), different concentrations of Lim (0, 10, 20, 50 μmol/L) were added to bovine IVM medium. Oocyte maturation rates and development 24 h after in vitro fertilization (IVF) were examined to determine the optimal Lim concentration. The optimal Lim concentration was added to the IVM medium, and 0 μmol/L Lim was used as the control. Immunofluorescence staining was used to detect the abnormal rate of spindle assembly, reactive oxygen species (ROS), glutathione (GSH), mitochondrial membrane potential (MMP) levels, mitochondrial distribution, and the fluorescence intensity of cathepsin B (CB)-active LC3 protein. RT‒qPCR was used to detect the mRNA expression levels of antioxidant-, apoptosis- and autophagy-related genes in oocytes. The total number of blastocysts and the proportion of apoptotic cells among blastocysts were detected. The results showed that the PBI ejection rate, cleavage rate and blastocyst rate of bovine oocytes in the 20 μmol/L Lim group were significantly higher than those in the control group (P < 0.05). Compared with those in the control group, ROS levels, abnormal mitochondrial distribution, the proportion of abnormal spindle assembly, CB activity and LC3 protein fluorescence intensity of oocytes in the 20 μmol/L Lim group were significantly decreased (P < 0.05), and GSH and MMP levels were significantly increased (P < 0.05). The expression of antioxidant genes (Prdx3, Prdx6, Sirt1) and antiapoptotic genes (Bcl-xl, Survivin) were significantly upregulated (P < 0.05), and the expression levels of proapoptotic genes (Caspase-4, BAX) and autophagy-related genes (LC3) were significantly downregulated (P < 0.05). The total number of cells among in vitro fertilized embryos was significantly increased (P < 0.05), and the apoptosis rate of blastocysts was significantly decreased (P < 0.05). Here, we show that Lim exerts positive effects on bovine oocyte IVM by regulating REDOX homeostasis, reducing spindle damage and enhancing mitochondrial function during IVM, thereby inhibiting oocyte apoptosis and autophagy.
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Affiliation(s)
- Anhui Jiao
- Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education, Yanbian University, Yanji, 133002, China; College of Agriculture, Yanbian University, Yanji, 133002, China; Jilin Engineering Research Center of Yanbian Yellow Cattle Resources Reservation, Yanji, 133002, China
| | - Jingyu Sun
- Tianjin Limu Biotechnology Co., LTD., Tianjin, 300456, China
| | - Zhaoyang Sun
- Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education, Yanbian University, Yanji, 133002, China; College of Agriculture, Yanbian University, Yanji, 133002, China; Jilin Engineering Research Center of Yanbian Yellow Cattle Resources Reservation, Yanji, 133002, China
| | - Yuhan Zhao
- Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education, Yanbian University, Yanji, 133002, China; College of Agriculture, Yanbian University, Yanji, 133002, China; Jilin Engineering Research Center of Yanbian Yellow Cattle Resources Reservation, Yanji, 133002, China
| | - Tiancang Han
- Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education, Yanbian University, Yanji, 133002, China; College of Agriculture, Yanbian University, Yanji, 133002, China; Jilin Engineering Research Center of Yanbian Yellow Cattle Resources Reservation, Yanji, 133002, China
| | - Hongbo Zhang
- Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education, Yanbian University, Yanji, 133002, China; College of Agriculture, Yanbian University, Yanji, 133002, China; Jilin Engineering Research Center of Yanbian Yellow Cattle Resources Reservation, Yanji, 133002, China
| | - Qingshan Gao
- Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education, Yanbian University, Yanji, 133002, China; College of Agriculture, Yanbian University, Yanji, 133002, China; Jilin Engineering Research Center of Yanbian Yellow Cattle Resources Reservation, Yanji, 133002, China.
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Ducreux B, Patrat C, Trasler J, Fauque P. Transcriptomic integrity of human oocytes used in ARTs: technical and intrinsic factor effects. Hum Reprod Update 2024; 30:26-47. [PMID: 37697674 DOI: 10.1093/humupd/dmad025] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 07/04/2023] [Indexed: 09/13/2023] Open
Abstract
BACKGROUND Millions of children have been born throughout the world thanks to ARTs, the harmlessness of which has not yet been fully demonstrated. For years, efforts to evaluate the specific effects of ART have focused on the embryo; however, it is the oocyte quality that mainly dictates first and foremost the developmental potential of the future embryo. Ovarian stimulation, cryopreservation, and IVM are sometimes necessary steps to obtain a mature oocyte, but they could alter the appropriate expression of the oocyte genome. Additionally, it is likely that female infertility, environmental factors, and lifestyle have a significant influence on oocyte transcriptomic quality, which may interfere with the outcome of an ART attempt. OBJECTIVE AND RATIONALE The objective of this review is to identify transcriptomic changes in the human oocyte caused by interventions specific to ART but also intrinsic factors such as age, reproductive health issues, and lifestyle. We also provide recommendations for future good practices to be conducted when attempting ART. SEARCH METHODS An in-depth literature search was performed on PubMed to identify studies assessing the human oocyte transcriptome following ART interventions, or in the context of maternal aging, suboptimal lifestyle, or reproductive health issues. OUTCOMES ART success is susceptible to external factors, maternal aging, lifestyle factors (smoking, BMI), and infertility due to endometriosis or polycystic ovary syndrome. Indeed, all of these are likely to increase oxidative stress and alter mitochondrial processes in the foreground. Concerning ART techniques themselves, there is evidence that different ovarian stimulation regimens shape the oocyte transcriptome. The perturbation of processes related to the mitochondrion, oxidative phosphorylation, and metabolism is observed with IVM. Cryopreservation might dysregulate genes belonging to transcriptional regulation, ubiquitination, cell cycle, and oocyte growth pathways. For other ART laboratory factors such as temperature, oxygen tension, air pollution, and light, the evidence remains scarce. Focusing on genes involved in chromatin-based processes such as DNA methylation, heterochromatin modulation, histone modification, and chromatin remodeling complexes, but also genomic imprinting, we observed systematic dysregulation of such genes either after ART intervention or lifestyle exposure, as well as due to internal factors such as maternal aging and reproductive diseases. Alteration in the expression of such epigenetic regulators may be a common mechanism linked to adverse oocyte environments, explaining global transcriptomic modifications. WIDER IMPLICATIONS Many IVF factors and additional external factors have the potential to impair oocyte transcriptomic integrity, which might not be innocuous for the developing embryo. Fortunately, it is likely that such dysregulations can be minimized by adapting ART protocols or reducing adverse exposure.
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Affiliation(s)
- Bastien Ducreux
- Université Bourgogne Franche-Comtés-Equipe Génétique des Anomalies du Développement (GAD) INSERM UMR1231, Dijon, France
| | - Catherine Patrat
- Université de Paris Cité, Faculty of Medicine, Inserm 1016, Paris, France
- Department of Reproductive Biology-CECOS, aphp.centre-Université Paris Cité, Paris, France
| | - Jacquetta Trasler
- Department of Pediatrics, McGill University and Research Institute of the McGill University Health Centre, Montreal, QC, Canada
- Department of Human Genetics, McGill University and Research Institute of the McGill University Health Centre, Montreal, QC, Canada
- Department of Pharmacology & Therapeutics, McGill University and Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Patricia Fauque
- Université Bourgogne Franche-Comtés-Equipe Génétique des Anomalies du Développement (GAD) INSERM UMR1231, Dijon, France
- CHU Dijon Bourgogne, Laboratoire de Biologie de la Reproduction-CECOS, Dijon, France
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Piau TB, de Queiroz Rodrigues A, Paulini F. Insulin-like growth factor (IGF) performance in ovarian function and applications in reproductive biotechnologies. Growth Horm IGF Res 2023; 72-73:101561. [PMID: 38070331 DOI: 10.1016/j.ghir.2023.101561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 11/25/2023] [Accepted: 11/30/2023] [Indexed: 12/18/2023]
Abstract
The role of the insulin-like growth factor (IGF) system has attracted close attention. The activity of IGF binding proteins (IGFBPs) within the ovary has not been fully elucidated to date. These proteins bind to IGF with an equal, or greater, affinity than to the IGF1 receptor, thus being in the main position to regulate IGF signalling, in addition to extending the half-life of IGFs within the bloodstream and promoting IGF storage in specific tissue niches. IGF1 has an important part in cell proliferation, differentiation and apoptosis. Considering the importance of IGFs in oocyte maturation, this review sought to elucidate aspects including: IGF production mechanisms; constituent members of their family and their respective functions; the role that these factors play during folliculogenesis, together with their functions during oocyte maturation and apoptosis, and their performance during luteal development. This review also explores the role of IGFs in biotechnological applications, focusing specifically on animal genetic gain.
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Affiliation(s)
- Tathyana Benetis Piau
- University of Brasília, Institute of Biological Sciences, Department of Physiological Sciences, Brasília, DF 70910-900, Brazil
| | - Aline de Queiroz Rodrigues
- University of Brasília, Institute of Biological Sciences, Department of Physiological Sciences, Brasília, DF 70910-900, Brazil
| | - Fernanda Paulini
- University of Brasília, Institute of Biological Sciences, Department of Physiological Sciences, Brasília, DF 70910-900, Brazil.
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Uehara R, Au Yeung WK, Toriyama K, Ohishi H, Kubo N, Toh H, Suetake I, Shirane K, Sasaki H. The DNMT3A ADD domain is required for efficient de novo DNA methylation and maternal imprinting in mouse oocytes. PLoS Genet 2023; 19:e1010855. [PMID: 37527244 PMCID: PMC10393158 DOI: 10.1371/journal.pgen.1010855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 07/03/2023] [Indexed: 08/03/2023] Open
Abstract
Establishment of a proper DNA methylation landscape in mammalian oocytes is important for maternal imprinting and embryonic development. De novo DNA methylation in oocytes is mediated by the DNA methyltransferase DNMT3A, which has an ATRX-DNMT3-DNMT3L (ADD) domain that interacts with histone H3 tail unmethylated at lysine-4 (H3K4me0). The domain normally blocks the methyltransferase domain via intramolecular interaction and binding to histone H3K4me0 releases the autoinhibition. However, H3K4me0 is widespread in chromatin and the role of the ADD-histone interaction has not been studied in vivo. We herein show that amino-acid substitutions in the ADD domain of mouse DNMT3A cause dwarfism. Oocytes derived from homozygous females show mosaic loss of CG methylation and almost complete loss of non-CG methylation. Embryos derived from such oocytes die in mid-to-late gestation, with stochastic and often all-or-none-type CG-methylation loss at imprinting control regions and misexpression of the linked genes. The stochastic loss is a two-step process, with loss occurring in cleavage-stage embryos and regaining occurring after implantation. These results highlight an important role for the ADD domain in efficient, and likely processive, de novo CG methylation and pose a model for stochastic inheritance of epigenetic perturbations in germ cells to the next generation.
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Affiliation(s)
- Ryuji Uehara
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Wan Kin Au Yeung
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Keisuke Toriyama
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Hiroaki Ohishi
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
- Division of Gene Expression Dynamics, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Naoki Kubo
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Hidehiro Toh
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
- Advanced Genomics Center, National Institute of Genetics, Mishima, Japan
| | - Isao Suetake
- Department of Nutrition Science, Nakamura Gakuen University, Fukuoka, Japan
| | - Kenjiro Shirane
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
- Department of Genome Biology, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Hiroyuki Sasaki
- Division of Epigenomics and Development, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
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6
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Um SH, Seo Y, Seo H, Lee K, Park SH, Jeon JH, Lim JY, Ok MR, Kim YC, Kim H, Cheon CH, Han HS, Edwards JR, Kim SW, Jeon H. Biomimetic hydrogel blanket for conserving and recovering intrinsic cell properties. Biomater Res 2022; 26:78. [PMID: 36514131 PMCID: PMC9746181 DOI: 10.1186/s40824-022-00327-w] [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] [Received: 07/04/2022] [Accepted: 11/20/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Cells in the human body experience different growth environments and conditions, such as compressive pressure and oxygen concentrations, depending on the type and location of the tissue. Thus, a culture device that emulates the environment inside the body is required to study cells outside the body. METHODS A blanket-type cell culture device (Direct Contact Pressing: DCP) was fabricated with an alginate-based hydrogel. Changes in cell morphology due to DCP pressure were observed using a phase contrast microscope. The changes in the oxygen permeability and pressure according to the hydrogel concentration of DCP were analyzed. To compare the effects of DCP with normal or artificial hypoxic cultures, cells were divided based on the culture technique: normal culture, DCP culture device, and artificial hypoxic environment. Changes in phenotype, genes, and glycosaminoglycan amounts according to each environment were evaluated. Based on this, the mechanism of each culture environment on the intrinsic properties of conserving chondrocytes was suggested. RESULTS Chondrocytes live under pressure from the surrounding collagen tissue and experience a hypoxic environment because collagen inhibits oxygen permeability. By culturing the chondrocytes in a DCP environment, the capability of DCP to produce a low-oxygen and physical pressure environment was verified. When human primary chondrocytes, which require pressure and a low-oxygen environment during culture to maintain their innate properties, were cultured using the hydrogel blanket, the original shapes and properties of the chondrocytes were maintained. The intrinsic properties could be recovered even in aged cells that had lost their original cell properties. CONCLUSIONS A DCP culture method using a biomimetic hydrogel blanket provides cells with an adjustable physical pressure and a low-oxygen environment. Through this technique, we could maintain the original cellular phenotypes and intrinsic properties of human primary chondrocytes. The results of this study can be applied to other cells that require special pressure and oxygen concentration control to maintain their intrinsic properties. Additionally, this technique has the potential to be applied to the re-differentiation of cells that have lost their original properties.
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Affiliation(s)
- Seung-Hoon Um
- grid.35541.360000000121053345Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology (KIST), 02792 Seoul, Republic of Korea ,grid.23856.3a0000 0004 1936 8390Laboratory for Biomaterials and Bioengineering, Department of Min-Met-Materials Engineering, Research Center of CHU de Quebec, Division of Regenerative Medicine, Canada Research Chair I in Biomaterials and Bioengineering for the Innovation in Surgery, Laval University, G1V 0A6 Quebec City, Quebec, Canada
| | - Youngmin Seo
- grid.35541.360000000121053345Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology (KIST), 02792 Seoul, Republic of Korea ,R&D Institute, OID Ltd, Seoul, 06286 Republic of Korea
| | - Hyunseon Seo
- grid.35541.360000000121053345Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology (KIST), 02792 Seoul, Republic of Korea ,grid.264381.a0000 0001 2181 989XSchool of Medicine, Sungkyunkwan University, Suwon, 16419 Republic of Korea
| | - Kyungwoo Lee
- grid.35541.360000000121053345Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology (KIST), 02792 Seoul, Republic of Korea
| | - Sun Hwa Park
- grid.23856.3a0000 0004 1936 8390Laboratory for Biomaterials and Bioengineering, Department of Min-Met-Materials Engineering, Research Center of CHU de Quebec, Division of Regenerative Medicine, Canada Research Chair I in Biomaterials and Bioengineering for the Innovation in Surgery, Laval University, G1V 0A6 Quebec City, Quebec, Canada
| | - Jung Ho Jeon
- grid.411947.e0000 0004 0470 4224Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea ,grid.411947.e0000 0004 0470 4224Department of Biomedicine & Health Sciences, Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jung Yeon Lim
- grid.411947.e0000 0004 0470 4224Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Myoung-Ryul Ok
- grid.35541.360000000121053345Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology (KIST), 02792 Seoul, Republic of Korea
| | - Yu-Chan Kim
- grid.35541.360000000121053345Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology (KIST), 02792 Seoul, Republic of Korea ,grid.412786.e0000 0004 1791 8264Division of Bio-Medical Science and Technology, KIST School, Korea University of Science and Technology, Seoul, 02792 Republic of Korea
| | - Hyunjung Kim
- grid.256753.00000 0004 0470 5964Division of Nursing, Research Institute of Nursing Science, Hallym University, Chuncheon, 24252 Republic of Korea
| | - Cheol-Hong Cheon
- grid.222754.40000 0001 0840 2678Department of Chemistry, Korea University, Seoul, 02841 Republic of Korea
| | - Hyung-Seop Han
- grid.35541.360000000121053345Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology (KIST), 02792 Seoul, Republic of Korea
| | - James R. Edwards
- grid.4991.50000 0004 1936 8948Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), Botnar Research Centre, University of Oxford, Oxford, OX3 7LD UK
| | - Sung Won Kim
- grid.411947.e0000 0004 0470 4224Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea ,grid.411947.e0000 0004 0470 4224Department of Biomedicine & Health Sciences, Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hojeong Jeon
- grid.35541.360000000121053345Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology (KIST), 02792 Seoul, Republic of Korea ,grid.412786.e0000 0004 1791 8264Division of Bio-Medical Science and Technology, KIST School, Korea University of Science and Technology, Seoul, 02792 Republic of Korea ,grid.222754.40000 0001 0840 2678KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, 02841 Republic of Korea
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Dvoran M, Nemcova L, Kalous J. An Interplay between Epigenetics and Translation in Oocyte Maturation and Embryo Development: Assisted Reproduction Perspective. Biomedicines 2022; 10:biomedicines10071689. [PMID: 35884994 PMCID: PMC9313063 DOI: 10.3390/biomedicines10071689] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/25/2022] [Accepted: 06/28/2022] [Indexed: 12/11/2022] Open
Abstract
Germ cell quality is a key prerequisite for successful fertilization and early embryo development. The quality is determined by the fine regulation of transcriptomic and proteomic profiles, which are prone to alteration by assisted reproduction technology (ART)-introduced in vitro methods. Gaining evidence shows the ART can influence preset epigenetic modifications within cultured oocytes or early embryos and affect their developmental competency. The aim of this review is to describe ART-determined epigenetic changes related to the oogenesis, early embryogenesis, and further in utero development. We confront the latest epigenetic, related epitranscriptomic, and translational regulation findings with the processes of meiotic maturation, fertilization, and early embryogenesis that impact the developmental competency and embryo quality. Post-ART embryo transfer, in utero implantation, and development (placentation, fetal development) are influenced by environmental and lifestyle factors. The review is emphasizing their epigenetic and ART contribution to fetal development. An epigenetic parallel among mouse, porcine, and bovine animal models and human ART is drawn to illustrate possible future mechanisms of infertility management as well as increase the awareness of the underlying mechanisms governing oocyte and embryo developmental complexity under ART conditions.
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8
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Agarwal A, Maldonado Rosas I, Anagnostopoulou C, Cannarella R, Boitrelle F, Munoz LV, Finelli R, Durairajanayagam D, Henkel R, Saleh R. Oxidative Stress and Assisted Reproduction: A Comprehensive Review of Its Pathophysiological Role and Strategies for Optimizing Embryo Culture Environment. Antioxidants (Basel) 2022; 11:antiox11030477. [PMID: 35326126 PMCID: PMC8944628 DOI: 10.3390/antiox11030477] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 02/17/2022] [Accepted: 02/21/2022] [Indexed: 02/07/2023] Open
Abstract
Oxidative stress (OS) due to an imbalance between reactive oxygen species (ROS) and antioxidants has been established as an important factor that can negatively affect the outcomes of assisted reproductive techniques (ARTs). Excess ROS exert their pathological effects through damage to cellular lipids, organelles, and DNA, alteration of enzymatic function, and apoptosis. ROS can be produced intracellularly, from immature sperm, oocytes, and embryos. Additionally, several external factors may induce high ROS production in the ART setup, including atmospheric oxygen, CO2 incubators, consumables, visible light, temperature, humidity, volatile organic compounds, and culture media additives. Pathological amounts of ROS can also be generated during the cryopreservation-thawing process of gametes or embryos. Generally, these factors can act at any stage during ART, from gamete preparation to embryo development, till the blastocyst stage. In this review, we discuss the in vitro conditions and environmental factors responsible for the induction of OS in an ART setting. In addition, we describe the effects of OS on gametes and embryos. Furthermore, we highlight strategies to ameliorate the impact of OS during the whole human embryo culture period, from gametes to blastocyst stage.
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Affiliation(s)
- Ashok Agarwal
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH 44195, USA; (R.F.); (R.H.)
- Correspondence:
| | | | | | - Rossella Cannarella
- Department of Clinical and Experimental Medicine, University of Catania, 95123 Catania, Italy;
- Department of Biochemistry and Molecular Biotechnology, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Florence Boitrelle
- Reproductive Biology, Fertility Preservation, Andrology, CECOS, Poissy Hospital, 78300 Poissy, France;
- Department BREED, UVSQ, INRAE, Paris Saclay University, 78350 Jouy-en-Josas, France
| | - Lina Villar Munoz
- Citmer Reproductive Medicine, IVF LAB, Mexico City 11520, Mexico; (I.M.R.); (L.V.M.)
| | - Renata Finelli
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH 44195, USA; (R.F.); (R.H.)
| | - Damayanthi Durairajanayagam
- Faculty of Medicine, Universiti Teknologi MARA (UiTM), Sungai Buloh Campus, Jalan Hospital, Sungai Buloh 47000, Selangor, Malaysia;
| | - Ralf Henkel
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH 44195, USA; (R.F.); (R.H.)
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London W2 1NY, UK
- Department of Medical Bioscience, University of the Western Cape, Bellville, Cape Town 7530, South Africa
- LogixX Pharma, Theale RG7 4AB, UK
| | - Ramadan Saleh
- Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Sohag University, Sohag 82524, Egypt;
- Ajyal IVF Center, Ajyal Hospital, Sohag 82524, Egypt
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9
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Picton HM. Therapeutic Potential of In Vitro-Derived Oocytes for the Restoration and Treatment of Female Fertility. Annu Rev Anim Biosci 2022; 10:281-301. [PMID: 34843385 DOI: 10.1146/annurev-animal-020420-030319] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Considerable progress has been made with the development of culture systems for the in vitro growth and maturation (IVGM) of oocytes from the earliest-staged primordial follicles and from the more advanced secondary follicles in rodents, ruminants, nonhuman primates, and humans. Successful oocyte production in vitro depends on the development of a dynamic culture strategy that replicates the follicular microenvironment required for oocyte activation and to support oocyte growth and maturation in vivo while enabling the coordinated and timely acquisition of oocyte developmental competence. Significant heterogeneity exists between the culture protocols used for different stages of follicle development and for different species. To date, the fertile potential of IVGM oocytes derived from primordial follicles has been realized only in mice. Although many technical challenges remain, significant advances have been made, and there is an increasing consensus that complete IVGM will require a dynamic, multiphase culture approach. The production of healthy offspring from in vitro-produced oocytes in a secondary large animal species is a vital next step before IVGM can be tested for therapeutic use in humans.
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Affiliation(s)
- Helen M Picton
- Reproduction and Early Development Research Group, Discovery and Translational Science Department, Leeds Institute of Cardiovascular and Metabolic Medicine, School of Medicine, University of Leeds, Leeds, United Kingdom;
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