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Chen F, Zhang M, Song Z, Meng R, He J, Xu X, Deng S, Sun M, Kou Z, Lin J. Melatonin partially rescues defects induced by tranexamic acid exposure during oocyte maturation in mice. Am J Physiol Cell Physiol 2024; 327:C778-C789. [PMID: 39069826 DOI: 10.1152/ajpcell.00339.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 07/17/2024] [Accepted: 07/19/2024] [Indexed: 07/30/2024]
Abstract
Tranexamic acid (TXA) is widely used among young women because of its ability to whiten skin and treat menorrhagia. Nevertheless, its potential effects on oocyte maturation and quality have not yet been clearly clarified. Melatonin (MT) is an endogenous hormone released by the pineal gland and believed to protect cells from oxidative stress injury. In the present study, we used an in vitro maturation model to investigate the toxicity of TXA and the protective role of MT in mouse oocytes. Compared with the control group, the TXA-exposed group had significantly lower nuclear maturation (57.72% vs. 94.08%, P < 0.001) and early embryo cleavage rates (38.18% vs. 87.66%, P < 0.001). Further study showed that spindle organization (52.56% vs. 18.77%, P < 0.01) and chromosome alignment (33.23% vs. 16.66%, P < 0.01) were also disrupted after TXA treatment. Mechanistically, we have demonstrated that TXA induced early apoptosis of oocytes (P < 0.001) by raising the level of reactive oxygen species (P < 0.001), which was consistent with an increase in mitochondrial damage (P < 0.01). Fortunately, all these effects except the spindle defect were successfully rescued by an appropriate level of MT. Collectively, our findings indicate that MT could partially reverse TXA-induced oocyte quality deterioration in mice by effectively improving mitochondrial function and reducing oxidative stress-mediated apoptosis.NEW & NOTEWORTHY Tranexamic acid is increasingly used to whiten skin, reverse dermal damages, and treat heavy menstrual bleeding in young women. However, its potential toxicity in mammalian oocytes is still unclear. Our study revealed that tranexamic acid exposure impaired the mouse oocyte quality and subsequent embryo development. Meanwhile, melatonin has been found to exert beneficial effects in reducing tranexamic acid-induced mitochondrial dysfunction and oxidative stress.
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Affiliation(s)
- Fei Chen
- Department of Physiology, Jining Medical University, Jining, People's Republic of China
| | - Mengyao Zhang
- Department of Physiology, Jining Medical University, Jining, People's Republic of China
| | - Zihan Song
- Department of Physiology, Jining Medical University, Jining, People's Republic of China
| | - Rui Meng
- Department of Physiology, Jining Medical University, Jining, People's Republic of China
| | - Jiayi He
- Department of Physiology, Jining Medical University, Jining, People's Republic of China
| | - Xiuli Xu
- Department of Physiology, Jining Medical University, Jining, People's Republic of China
| | - Shuwen Deng
- Department of Physiology, Jining Medical University, Jining, People's Republic of China
| | - Meng Sun
- Department of Physiology, Jining Medical University, Jining, People's Republic of China
| | - Zhenyu Kou
- Department of Physiology, Jining Medical University, Jining, People's Republic of China
| | - Juan Lin
- Department of Physiology, Jining Medical University, Jining, People's Republic of China
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Cheng D, Zheng B, Sheng Y, Zeng Z, Mo Z. The Roles of Autophagy in the Genesis and Development of Polycystic Ovary Syndrome. Reprod Sci 2023; 30:2920-2931. [PMID: 37204635 DOI: 10.1007/s43032-023-01255-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 04/29/2023] [Indexed: 05/20/2023]
Abstract
Polycystic ovary syndrome (PCOS) is a common and frequent disease and always leads endocrine and metabolic disorder among women in reproductive age. Ovary is the main organ involved in polycystic ovary syndrome, and its function impairment will lead to reproductive dysfunction. Some recent studies have demonstrated that autophagy plays an important role in the pathogenesis of PCOS, and there are many different mechanisms that affect autophagy and the occurrence of PCOS, and they provide a new direction for us to predict the mechanism of PCOS. In this review, we discuss the role of autophagy in different ovarian cells: granulosa cells, oocytes, and theca cells, and introduce the important role that they play in the progress of PCOS. The main purpose of this review is to provide the research background and some relevant suggestions for our future work in autophagy and help us better explore the pathogenesis and autophagy mechanisms of PCOS. Furthermore, it will help us gain a new insight of the pathophysiology and treatment of PCOS.
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Affiliation(s)
- Di Cheng
- Guangxi Key Laboratory of Diabetic Systems Medicine, Department of Histology and Embryology, Guilin Medical University, Guangxi, 541199, Guilin, China
- Joint Laboratory of Chronic Disease Prevention and Research, Guilin Medical University, Hunan Mingshun Pharmaceutical Co., Ltd, Shaodong, Hunan, 422800, Guilin, China
| | - Biao Zheng
- Guangxi Key Laboratory of Diabetic Systems Medicine, Department of Histology and Embryology, Guilin Medical University, Guangxi, 541199, Guilin, China
- Joint Laboratory of Chronic Disease Prevention and Research, Guilin Medical University, Hunan Mingshun Pharmaceutical Co., Ltd, Shaodong, Hunan, 422800, Guilin, China
| | - Ying Sheng
- Department of Obstetrics, The First Affiliated Hospital of University of South China, Hengyang, 421001, Hunan, China
| | - Zhaoming Zeng
- Joint Laboratory of Chronic Disease Prevention and Research, Guilin Medical University, Hunan Mingshun Pharmaceutical Co., Ltd, Shaodong, Hunan, 422800, Guilin, China.
| | - Zhongcheng Mo
- Guangxi Key Laboratory of Diabetic Systems Medicine, Department of Histology and Embryology, Guilin Medical University, Guangxi, 541199, Guilin, China.
- Guangxi Health Commission Key Laboratory of Basic Research in Sphingolipid Metabolism Related Diseases, The Affiliated Hospital of Guilin Medical University, Guilin, 541001, Guangxi, China.
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Wang J, Wang XQ, Liu RP, Li YH, Yao XR, Kim NH, Xu YN. Melatonin Supplementation during In Vitro Maturation of Porcine Oocytes Alleviates Oxidative Stress and Endoplasmic Reticulum Stress Induced by Imidacloprid Exposure. Animals (Basel) 2023; 13:2596. [PMID: 37627386 PMCID: PMC10451172 DOI: 10.3390/ani13162596] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/04/2023] [Accepted: 08/04/2023] [Indexed: 08/27/2023] Open
Abstract
Imidacloprid (IMI) is an endogenous neonicotinoid insecticide widely used in agriculture and has attracted researchers' attention because of its risks to the environment and human health. Melatonin (MT) is an antioxidant hormone produced by the pineal gland of the brain. Studies have shown that it has a variety of physiological functions and plays a crucial role in the development of animal germ cells and embryos. The potential protective effects of MT against oocyte damage caused by neonicotinoid pesticide toxicity remain unclear. In this study, we report the toxicity of IMI against, and its effects on the quality of, porcine oocytes and the protective effect of MT on IMI-exposed oocytes. The results show that IMI exposure adversely affected oocyte maturation, while MT supplementation ameliorated its toxic effects. Specifically, IMI exposure increased oxidative stress (OS), endoplasmic reticulum stress (ERS), and apoptosis, which may affect polar body expulsion rates and blastocyst formation. Also, IMI exposure reduced oocyte cleavage rates and the number of cells in blastocysts. However, all of these toxic effects can be restored after a melatonin supplementation treatment. In conclusion, these results suggest that melatonin has a protective effect on IMI-induced defects during porcine oocyte maturation.
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Affiliation(s)
- Jing Wang
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China (Y.-H.L.)
- College of Agriculture, Yanbian University, Yanji 133002, China
| | - Xin-Qin Wang
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China (Y.-H.L.)
| | - Rong-Ping Liu
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China (Y.-H.L.)
| | - Ying-Hua Li
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China (Y.-H.L.)
| | - Xue-Rui Yao
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China (Y.-H.L.)
| | - Nam-Hyung Kim
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China (Y.-H.L.)
| | - Yong-Nan Xu
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China (Y.-H.L.)
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Abedpour N, Shoorei H, Rajaei F. Detrimental effects of vitrification on integrin genes (α9 and β1) and in vitro fertilization in mouse oocytes. Mol Biol Rep 2023; 50:4823-4829. [PMID: 37039996 DOI: 10.1007/s11033-023-08377-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 03/08/2023] [Indexed: 04/12/2023]
Abstract
OBJECTIVE Integrins are known as key molecules that importantly involve in fertilization. This study aimed to evaluate effects of vitrification on fertilization rate and expression of integrin genes, α9 and β1, on mice oocytes in GV and MІІ stages. MATERIALS AND METHODS From the ovarian tissue and fallopian tube of NMRI mice, germinal vesicle (GV, n = 200) and metaphase II (MII, n = 200) oocytes were obtained. Then, oocytes were distributed into 4 groups including non-vitrified GV, non-vitrified MII, vitrified GV, and vitrified MII. Cryotop method was used for vitrification and oocytes (for 4 weeks) were kept in liquid nitrogen. After that, by using an inverted microscope, the rate of survived oocytes was assessed. Also, in vitro fertilization (IVF) for oocytes, obtained from in vitro maturated MII and mice ovaries (ovulated MII), was done to assess embryos at differenced stages (2-cells, morula, and hatched). Finally, RT-qPCR was performed to investigate the mRNA expression of integrin genes (α9 and β1). RESULTS After vitrification, the rate of survived oocytes, 68.65%for GV and 65.07% % for MII, did not show a remarkable difference related to non-vitrified groups, while the fertilization rate in vitrified groups remarkably decrease compared to non-vitrified groups (p < 0.05). Also, the expression of α9 and β1 genes was significantly altered in vitrified groups when compared to non-vitrified groups (p < 0.05). There was no significant difference in embryo developmental rates for non-vitrified and vitrified groups. CONCLUSION Cryotop method for vitrification caused an alternation in oocyte quality by reducing fertilization rate and integrin gene expression.
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Affiliation(s)
- Neda Abedpour
- Department of Anatomical Sciences, School of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Hamed Shoorei
- Department of Anatomical Science, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
| | - Farzad Rajaei
- Cellular and Molecular Research Center, Research Institute for Prevention of Non-Communicable Disease, Qazvin University of Medical Sciences, Qazvin, Iran.
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Li R, Bi R, Cai H, Zhao J, Sun P, Xu W, Zhou Y, Yang W, Zheng L, Chen XL, Wang G, Wang D, Liu J, Teng H, Li G. Melatonin functions as a broad-spectrum antifungal by targeting a conserved pathogen protein kinase. J Pineal Res 2023; 74:e12839. [PMID: 36314656 DOI: 10.1111/jpi.12839] [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: 07/28/2022] [Revised: 09/01/2022] [Accepted: 09/01/2022] [Indexed: 11/06/2022]
Abstract
Melatonin is a low-cost natural small indole molecule with versatile biological functions. However, melatonin's fungicidal potential has not been fully exploited, and the mechanism remains elusive. Here, we report that melatonin broadly inhibited 13 plant pathogens. In the rice blast fungal pathogen Magnaporthe oryzae, melatonin inhibited fungal growth, formation of infection-specific structures named appressoria, and plant infection, reducing disease severity. Melatonin entered fungal cells efficiently and colocalized with the critical mitogen-activated protein kinase named Mps1, suppressing phosphorylation of Mps1. Melatonin's affinity for Mps1 via two hydrogen bonds was demonstrated using surface plasmon resonance and chemical modifications. To improve melatonin's efficiency, we obtained 20 melatonin derivatives. Tert-butyloxycarbonyl melatonin showed a 25-fold increase in fungicidal activities, demonstrating the feasibility of chemical modifications in melatonin modification. Our study demonstrated the broad-spectrum fungicidal effect of melatonin by suppressing Mps1 as one of the targets. Through further systematic modifications, developing an eco-friendly melatonin derivative of commercial values for agricultural applications appears promising.
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Affiliation(s)
- Renjian Li
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, The Center of Crop Nanobiotechnology, The Provincial Key Laboratory of Plant Pathology of Hubei Province, College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, China
| | - Ruiqing Bi
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, The Center of Crop Nanobiotechnology, The Provincial Key Laboratory of Plant Pathology of Hubei Province, College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, China
| | - Huanyu Cai
- College of Science, Huazhong Agricultural University, Wuhan, China
| | - Juan Zhao
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, The Center of Crop Nanobiotechnology, The Provincial Key Laboratory of Plant Pathology of Hubei Province, College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, China
| | - Peng Sun
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, The Center of Crop Nanobiotechnology, The Provincial Key Laboratory of Plant Pathology of Hubei Province, College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, China
| | - Weilong Xu
- College of Science, Huazhong Agricultural University, Wuhan, China
| | - Yaru Zhou
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, The Center of Crop Nanobiotechnology, The Provincial Key Laboratory of Plant Pathology of Hubei Province, College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, China
| | - Wei Yang
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, The Center of Crop Nanobiotechnology, The Provincial Key Laboratory of Plant Pathology of Hubei Province, College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, China
| | - Lu Zheng
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, The Center of Crop Nanobiotechnology, The Provincial Key Laboratory of Plant Pathology of Hubei Province, College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, China
| | - Xiao-Lin Chen
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, The Center of Crop Nanobiotechnology, The Provincial Key Laboratory of Plant Pathology of Hubei Province, College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, China
| | - Guanghui Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, China
| | - Dongli Wang
- Ministry of Agriculture Key Laboratory for Crop Pest Monitoring and Green Control, China Agricultural University, Beijing, China
- State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Junfeng Liu
- Ministry of Agriculture Key Laboratory for Crop Pest Monitoring and Green Control, China Agricultural University, Beijing, China
- State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Huailong Teng
- College of Science, Huazhong Agricultural University, Wuhan, China
| | - Guotian Li
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, The Center of Crop Nanobiotechnology, The Provincial Key Laboratory of Plant Pathology of Hubei Province, College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, China
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Exogenous Melatonin in the Culture Medium Does Not Affect the Development of In Vivo-Derived Pig Embryos but Substantially Improves the Quality of In Vitro-Produced Embryos. Antioxidants (Basel) 2022; 11:antiox11061177. [PMID: 35740074 PMCID: PMC9220299 DOI: 10.3390/antiox11061177] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/07/2022] [Accepted: 06/13/2022] [Indexed: 02/01/2023] Open
Abstract
Cloned and transgenic pigs are relevant human disease models and serve as potential donors for regenerative medicine and xenotransplantation. These technologies demand oocytes and embryos of good quality. However, the current protocols for in vitro production (IVP) of pig embryos give reduced blastocyst efficiency and embryo quality compared to in vivo controls. This is likely due to culture conditions jeopardizing embryonic homeostasis including the effect of reactive oxygen species (ROS) influence. In this study, the antioxidant melatonin (1 nM) in the maturation medium, fertilization medium, or both media was ineffective in enhancing fertilization or embryonic development parameters of in vitro fertilized oocytes. Supplementation of melatonin in the fertilization medium also had no effect on sperm function. In contrast, the addition of melatonin to the embryo culture medium accelerated the timing of embryonic development and increased the percentages of cleaved embryos and presumed zygotes that developed to the blastocyst stage. Furthermore, it increased the number of inner mass cells and the inner mass cell/total cell number ratio per blastocyst while increasing intracellular glutathione and reducing ROS and DNA damage levels in embryos. Contrarily, the addition of melatonin to the embryo culture medium had no evident effect on in vivo-derived embryos, including the developmental capacity and the quality of in vivo-derived 4-cell embryos or the percentage of genome-edited in vivo-derived zygotes achieving the blastocyst stage. In conclusion, exogenous melatonin in the embryo culture medium enhances the development and quality of in vitro-derived embryos but not in in vivo-derived embryos. Exogenous melatonin is thus recommended during embryo culture of oocytes matured and fertilized in vitro for improving porcine IVP efficiency.
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Melatonin and the Programming of Stem Cells. Int J Mol Sci 2022; 23:ijms23041971. [PMID: 35216086 PMCID: PMC8879213 DOI: 10.3390/ijms23041971] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 02/03/2022] [Accepted: 02/08/2022] [Indexed: 02/06/2023] Open
Abstract
Melatonin interacts with various types of stem cells, in multiple ways that comprise stimulation of proliferation, maintenance of stemness and self-renewal, protection of survival, and programming toward functionally different cell lineages. These various properties are frequently intertwined but may not be always jointly present. Melatonin typically stimulates proliferation and transition to the mature cell type. For all sufficiently studied stem or progenitor cells, melatonin’s signaling pathways leading to expression of respective morphogenetic factors are discussed. The focus of this article will be laid on the aspect of programming, particularly in pluripotent cells. This is especially but not exclusively the case in neural stem cells (NSCs) and mesenchymal stem cells (MSCs). Concerning developmental bifurcations, decisions are not exclusively made by melatonin alone. In MSCs, melatonin promotes adipogenesis in a Wnt (Wingless-Integration-1)-independent mode, but chondrogenesis and osteogenesis Wnt-dependently. Melatonin upregulates Wnt, but not in the adipogenic lineage. This decision seems to depend on microenvironment and epigenetic memory. The decision for chondrogenesis instead of osteogenesis, both being Wnt-dependent, seems to involve fibroblast growth factor receptor 3. Stem cell-specific differences in melatonin and Wnt receptors, and contributions of transcription factors and noncoding RNAs are outlined, as well as possibilities and the medical importance of re-programming for transdifferentiation.
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Hao Y, Xing M, Gu X. Research Progress on Oxidative Stress and Its Nutritional Regulation Strategies in Pigs. Animals (Basel) 2021; 11:1384. [PMID: 34068057 PMCID: PMC8152462 DOI: 10.3390/ani11051384] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/29/2021] [Accepted: 05/03/2021] [Indexed: 12/12/2022] Open
Abstract
Oxidative stress refers to the dramatic increase in the production of free radicals in human and animal bodies or the decrease in the ability to scavenging free radicals, thus breaking the antioxidation-oxidation balance. Various factors can induce oxidative stress in pig production. Oxidative stress has an important effect on pig performance and healthy growth, and has become one of the important factors restricting pig production. Based on the overview of the generation of oxidative stress, its effects on pigs, and signal transduction pathways, this paper discussed the nutritional measures to alleviate oxidative stress in pigs, in order to provide ideas for the nutritional research of anti-oxidative stress in pigs.
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Affiliation(s)
| | | | - Xianhong Gu
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Y.H.); (M.X.)
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