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Li D, Zhou L, Liu Z, Zhang Z, Mao W, Shi W, Zhu M, Wang F, Wan Y. FTO demethylates regulates cell-cycle progression by controlling CCND1 expression in luteinizing goat granulosa cells. Theriogenology 2024; 216:20-29. [PMID: 38154203 DOI: 10.1016/j.theriogenology.2023.12.029] [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: 09/09/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 12/30/2023]
Abstract
In mammals, N6-methyladenosine (m6A) stands out as one of the most abundant internal mRNA modifications and plays a crucial role in follicular development. Nonetheless, the precise mechanism by which the demethylase FTO regulates the progression of the goat luteinizing granulosa cells (LGCs) cycle remains to be elucidated. In our study, we primarily assessed the protein and mRNA expression levels of genes using Western blotting and quantitative real-time polymerase chain reaction (qRT-PCR), cell proliferation via EdU, cell viability with CCK-8, and apoptosis and cell cycle progression through flow cytometry. Here, the results demonstrated that knockdown of FTO significantly enhanced apoptosis, impeded cell proliferation, and increased autophagy levels in goat LGCs. Furthermore, the silencing of FTO substantially reduced cyclin D1 (CCND1) expression through the recognition and degradation of YTHDF2, consequently prolonging the cell cycle progression. This study sheds light on the mechanism by which FTO demethylation governs cell cycle progression by controlling the expression of CCND1 in goat LGCs, underscoring the dynamic role of m6A modification in the regulation of cell cycle progression.
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Affiliation(s)
- Dongxu Li
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Lei Zhou
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Zifei Liu
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Zhen Zhang
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Weijia Mao
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Wangwang Shi
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Minghui Zhu
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Feng Wang
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yongjie Wan
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China.
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Andrei CR, Posastiuc FP, Constantin NT, Mitrea IL. New insights into semen separation techniques in buffaloes. Front Vet Sci 2024; 10:1347482. [PMID: 38269362 PMCID: PMC10806153 DOI: 10.3389/fvets.2023.1347482] [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: 11/30/2023] [Accepted: 12/26/2023] [Indexed: 01/26/2024] Open
Abstract
Male infertility is frequently caused by idiopathic or unexplained reasons, resulting in an increase in demand for assisted reproductive technologies. In buffaloes, more than in other animals due to reproductive hardiness, successful fertilization needs spermatozoa to effectively transit the female reproductive system to reach the oocyte. This mechanism naturally picks high-quality sperm cells for conception, but when artificial reproductive technologies such as in vitro fertilization, intracytoplasmic sperm injection, or intrauterine insemination are utilized, alternative techniques of sperm selection are necessary. Currently, technology allows for sperm sorting based on motility, maturity, the lack of apoptotic components, proper morphology, and even sex. This study provides current knowledge on all known techniques of sperm cell sorting in buffaloes, evaluates their efficiency, and discusses the benefits and drawbacks of each approach.
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Affiliation(s)
- Crina Raluca Andrei
- Faculty of Veterinary Medicine of Bucharest, University of Agronomic Sciences and Veterinary Medicine, Bucharest, Romania
| | - Florin Petrișor Posastiuc
- Faculty of Veterinary Medicine of Bucharest, University of Agronomic Sciences and Veterinary Medicine, Bucharest, Romania
- Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Nicolae Tiberiu Constantin
- Faculty of Veterinary Medicine of Bucharest, University of Agronomic Sciences and Veterinary Medicine, Bucharest, Romania
- Research and Development Institute for Bovine Balotești, Balotești, Romania
| | - Ioan Liviu Mitrea
- Faculty of Veterinary Medicine of Bucharest, University of Agronomic Sciences and Veterinary Medicine, Bucharest, Romania
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Ding F, Liu Y, Chen J, Li Y, Guo X, Wu J, Liu Q. Proton pump inhibitors affect sperm parameters by regulating aquaporins. Heliyon 2023; 9:e17911. [PMID: 37539124 PMCID: PMC10395288 DOI: 10.1016/j.heliyon.2023.e17911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/30/2023] [Accepted: 06/30/2023] [Indexed: 08/05/2023] Open
Abstract
Proton pump inhibitors (PPIs) were one of the most commonly used drugs in daily life. The adverse effects of long-term use of PPIs have aroused widespread controversy. It was of great significance to explore the molecular mechanism of sperm abnormality caused by PPIs. The PPI group was given omeprazole by gavage for 28 days. After the omeprazole intervention, the caudal epididymis was dissected to obtain sperms, and the sperm was counted through the microscope, as the acrosomal integrity was observed through PNA-FITC staining. The expression of aquaporins were detected by immunofluorescence and western blot in the testis, epididymis and spermatozoa. The liver cytochrome enzyme was evaluated by immunohistochemistry and western blot. We detected the serum estrogen level by ELISA, and the level of alanine transaminase (ALT) were detected through microplate method. The sperm count in PPI group was less than control group (p < 0.05), and the sperm acrosin integrity in PPI group was lower than control group (p < 0.05). In the testis, the expression of aquaporin 3 and aquaporin 8 in PPI group was higher than control group (p < 0.05), while the expression of aquaporin 7 was lower than control group (p < 0.05). In the epididymal and sperm, the expression of aquaporin 3 and aquaporin 7 in PPI group was higher than control group (p < 0.05), while the expression of aquaporin 8 in PPI group was lower than control group (p < 0.05). Meanwhile, the liver cytochrome enzyme in PPI group were lower than control group (p < 0.05), and estrogen and ALT in PPI group were higher than control group (p < 0.05). PPI may lead to the up-regulation of estrogen by inhibiting the activity of cytochrome enzyme, and then lead to the dysfunction of sperm parameters and acrosin integrity by affecting aquaporins function.
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Affiliation(s)
- Fadian Ding
- Department of Hepatobiliary Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Yuxin Liu
- Center of Reproductive Medicine, The First Affiliated Hospital, Fujian Medical University, Fuzhou 350005, Fujian, China
| | - Jintong Chen
- Department of Gastroenterology, 1st Affiliated Hospital, Fujian Medical University, Fuzhou 350005, China
| | - Youzhu Li
- Department of Reproductive Medicine, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, No. 6 Guchengxi Road, Si Ming, Xiamen, 361003, China
| | - Xinxin Guo
- Center of Reproductive Medicine, The First Affiliated Hospital, Fujian Medical University, Fuzhou 350005, Fujian, China
| | - Jianmin Wu
- Department of Geriatric Medicine, The First Affiliated Hospital of, Fujian Medical University, Fuzhou, China
| | - Qicai Liu
- Center of Reproductive Medicine, The First Affiliated Hospital, Fujian Medical University, Fuzhou 350005, Fujian, China
- Vanke School of Public Health, Tsinghua University, Beijing, 100084, China
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Nascimento DR, Barbalho EC, Gondim Barrozo L, de Assis EIT, Costa FC, Silva JRV. The mechanisms that control the preantral to early antral follicle transition and the strategies to have efficient culture systems to promote their growth in vitro. ZYGOTE 2023:1-11. [PMID: 37221099 DOI: 10.1017/s0967199423000254] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Preantral to early antral follicles transition is a complex process regulated by endocrine and paracrine factors, as well as by a precise interaction among oocyte, granulosa cells and theca cells. Understanding the mechanisms that regulate this step of folliculogenesis is important to improve in vitro culture systems, and opens new perspectives to use oocytes from preantral follicles for assisted reproductive technologies. Therefore, this review aims to discuss the endocrine and paracrine mechanisms that control granulosa cell proliferation and differentiation, formation of the antral cavity, estradiol production, atresia, and follicular fluid production during the transition from preantral to early antral follicles. The strategies that promote in vitro growth of preantral follicles are also discussed.
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Affiliation(s)
- D R Nascimento
- Laboratory of Biotechnology and Physiology of Reproduction (LABIREP), Federal University of Ceará, Av. Comandante Maurocélio Rocha Ponte 100, CEP 62041-040, Sobral, CE, Brazil
| | - E C Barbalho
- Laboratory of Biotechnology and Physiology of Reproduction (LABIREP), Federal University of Ceará, Av. Comandante Maurocélio Rocha Ponte 100, CEP 62041-040, Sobral, CE, Brazil
| | - L Gondim Barrozo
- Laboratory of Biotechnology and Physiology of Reproduction (LABIREP), Federal University of Ceará, Av. Comandante Maurocélio Rocha Ponte 100, CEP 62041-040, Sobral, CE, Brazil
| | - E I T de Assis
- Laboratory of Biotechnology and Physiology of Reproduction (LABIREP), Federal University of Ceará, Av. Comandante Maurocélio Rocha Ponte 100, CEP 62041-040, Sobral, CE, Brazil
| | - F C Costa
- Laboratory of Biotechnology and Physiology of Reproduction (LABIREP), Federal University of Ceará, Av. Comandante Maurocélio Rocha Ponte 100, CEP 62041-040, Sobral, CE, Brazil
| | - J R V Silva
- Laboratory of Biotechnology and Physiology of Reproduction (LABIREP), Federal University of Ceará, Av. Comandante Maurocélio Rocha Ponte 100, CEP 62041-040, Sobral, CE, Brazil
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Jiang Y, He Y, Pan X, Wang P, Yuan X, Ma B. Advances in Oocyte Maturation In Vivo and In Vitro in Mammals. Int J Mol Sci 2023; 24:9059. [PMID: 37240406 PMCID: PMC10219173 DOI: 10.3390/ijms24109059] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/17/2023] [Accepted: 05/18/2023] [Indexed: 05/28/2023] Open
Abstract
The quality and maturation of an oocyte not only play decisive roles in fertilization and embryo success, but also have long-term impacts on the later growth and development of the fetus. Female fertility declines with age, reflecting a decline in oocyte quantity. However, the meiosis of oocytes involves a complex and orderly regulatory process whose mechanisms have not yet been fully elucidated. This review therefore mainly focuses on the regulation mechanism of oocyte maturation, including folliculogenesis, oogenesis, and the interactions between granulosa cells and oocytes, plus in vitro technology and nuclear/cytoplasm maturation in oocytes. Additionally, we have reviewed advances made in the single-cell mRNA sequencing technology related to oocyte maturation in order to improve our understanding of the mechanism of oocyte maturation and to provide a theoretical basis for subsequent research into oocyte maturation.
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Affiliation(s)
- Yao Jiang
- School of Medical, Molecular and Forensic Sciences, Murdoch University, Murdoch, WA 6149, Australia
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
| | - Yingting He
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Xiangchun Pan
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Penghao Wang
- School of Medical, Molecular and Forensic Sciences, Murdoch University, Murdoch, WA 6149, Australia
| | - Xiaolong Yuan
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Bin Ma
- School of Medical, Molecular and Forensic Sciences, Murdoch University, Murdoch, WA 6149, Australia
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