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Huang X, Zhao J, Zhang Q, Wang Y, Li Y. Ovarian Stimulation Altered Uterine Fluid Extracellular Vesicles miRNA Affecting Implantation in Rats. Reprod Sci 2024; 31:1683-1694. [PMID: 38216776 DOI: 10.1007/s43032-023-01448-w] [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: 05/29/2023] [Accepted: 12/18/2023] [Indexed: 01/14/2024]
Abstract
Uterine fluid (UF) extracellular vesicle (EV) miRNA may affect implantation and could be the potential biomarker of endometrial receptivity (ER). Ovarian stimulation (OS) could damage the ER but its mechanism is still unclear. Here, we evaluate the affections of OS on UF EV miRNA expression and implantation. Female rats were divided into three groups: natural cycle or injection with GnRH-a following HP-HMG or u-FSH. UF was collected on the 5th day of gestation. Affinity membrane columns were utilized to isolate EVs from UF, obtained during implantation flushing. The EV miRNAs were sequenced, and five of them were validated by qRT-PCR. HTR-8/Svneo cells were transfected with miR-223-3p mimic and inhibitor, followed by conducting colony formation, invasion, migration, and adhesion assays to assess the cellular functions. In OS groups, the implantation rate decreased (p < 0.05), and the pinopode was damaged in the OS groups. The EVs were isolated from UF, and the differential expression key miRNAs were involved in several regulation pathways, such as cancer, endocrine, and cell cycles, which were correlated with ER and implantation. Among the miRNAs, miR-223-5p greatly differed and was most consistent with the sequencing results, followed by miR-223-3p and miR-98-5P. miR-223-3p promoted HTR-8/SVneo cells grow and ability of invasion, migration, and adhesion. OS altered UF EVs miRNAs affecting implantation in rats, and miR-223-3p might be the key molecule.
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Affiliation(s)
- Xi Huang
- Department of Reproductive Medicine, Xiangya Hospital, Central South University, NO.87, Xiangya Road, Kaifu District, Changsha, Hunan, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, NO.87, Xiangya Road, Kaifu District, Changsha, Hunan, China
| | - Jing Zhao
- Department of Reproductive Medicine, Xiangya Hospital, Central South University, NO.87, Xiangya Road, Kaifu District, Changsha, Hunan, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, NO.87, Xiangya Road, Kaifu District, Changsha, Hunan, China
| | - Qiong Zhang
- Department of Reproductive Medicine, Xiangya Hospital, Central South University, NO.87, Xiangya Road, Kaifu District, Changsha, Hunan, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, NO.87, Xiangya Road, Kaifu District, Changsha, Hunan, China
| | - Yonggang Wang
- Department of Reproductive Medicine, Xiangya Hospital, Central South University, NO.87, Xiangya Road, Kaifu District, Changsha, Hunan, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, NO.87, Xiangya Road, Kaifu District, Changsha, Hunan, China
| | - Yanping Li
- Department of Reproductive Medicine, Xiangya Hospital, Central South University, NO.87, Xiangya Road, Kaifu District, Changsha, Hunan, China.
- Clinical Research Center for Women's Reproductive Health in Hunan Province, NO.87, Xiangya Road, Kaifu District, Changsha, Hunan, China.
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Zang X, Huang Q, Gan J, Jiang L, Meng F, Gu T, Cai G, Li Z, Wu Z, Hong L. Protein Dynamic Landscape of Pig Embryos during Peri-Implantation Development. J Proteome Res 2024; 23:775-785. [PMID: 38227546 DOI: 10.1021/acs.jproteome.3c00656] [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: 01/17/2024]
Abstract
Properly developed embryos are critical for successful embryo implantation. The dynamic landscape of proteins as executors of biological processes in pig peri-implantation embryos has not been reported so far. In this study, we collected pig embryos from days 9, 12, and 15 of pregnancy during the peri-implantation stage for a PASEF-based quantitative proteomic analysis. In total, approximately 8000 proteins were identified. These proteins were classified as stage-exclusive proteins and stage-specific proteins, respectively, based on their presence and dynamic abundance changes at each stage. Functional analysis showed that their roles are consistent with the physiological processes of corresponding stages, such as the biosynthesis of amino acids and peptides at P09, the regulation of actin cytoskeletal organization and complement activation at P12, and the vesicular transport at P15. Correlation analysis between mRNAs and proteins showed a general positive correlation between pig peri-implantation embryonic mRNAs and proteins. Cross-species comparisons with human early embryos identified some conserved proteins that may be important in regulating embryonic development, such as STAT3, AP2A1, and PFAS. Our study provides a comprehensive overview of the pig embryo proteome during implantation, fills gaps in relevant developmental studies, and identifies some important proteins that may serve as potential targets for future research.
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Affiliation(s)
- Xupeng Zang
- State Key Laboratory of Swine and Poultry Breeding Industry, National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Qiuying Huang
- State Key Laboratory of Swine and Poultry Breeding Industry, National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Jianyu Gan
- State Key Laboratory of Swine and Poultry Breeding Industry, National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Lei Jiang
- State Key Laboratory of Swine and Poultry Breeding Industry, National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Fanming Meng
- Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510642, China
| | - Ting Gu
- State Key Laboratory of Swine and Poultry Breeding Industry, National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
- Yunfu Subcenter of Guangdong Laboratory for Lingnan Modern Agriculture, Yunfu 527300, China
- Key Laboratory of South China Modern Biological Seed Industry, Ministry of Agriculture and Rural Affairs, Guangzhou 510642, China
| | - Gengyuan Cai
- State Key Laboratory of Swine and Poultry Breeding Industry, National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
- Yunfu Subcenter of Guangdong Laboratory for Lingnan Modern Agriculture, Yunfu 527300, China
- Key Laboratory of South China Modern Biological Seed Industry, Ministry of Agriculture and Rural Affairs, Guangzhou 510642, China
| | - Zicong Li
- State Key Laboratory of Swine and Poultry Breeding Industry, National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
- Yunfu Subcenter of Guangdong Laboratory for Lingnan Modern Agriculture, Yunfu 527300, China
- Key Laboratory of South China Modern Biological Seed Industry, Ministry of Agriculture and Rural Affairs, Guangzhou 510642, China
| | - Zhenfang Wu
- State Key Laboratory of Swine and Poultry Breeding Industry, National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
- Yunfu Subcenter of Guangdong Laboratory for Lingnan Modern Agriculture, Yunfu 527300, China
- Key Laboratory of South China Modern Biological Seed Industry, Ministry of Agriculture and Rural Affairs, Guangzhou 510642, China
| | - Linjun Hong
- State Key Laboratory of Swine and Poultry Breeding Industry, National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
- Yunfu Subcenter of Guangdong Laboratory for Lingnan Modern Agriculture, Yunfu 527300, China
- Key Laboratory of South China Modern Biological Seed Industry, Ministry of Agriculture and Rural Affairs, Guangzhou 510642, China
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Chen Z, Dean M. Endometrial Glucose Metabolism During Early Pregnancy. REPRODUCTION AND FERTILITY 2023; 4:RAF-23-0016. [PMID: 37934727 PMCID: PMC10762551 DOI: 10.1530/raf-23-0016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 11/07/2023] [Indexed: 11/09/2023] Open
Abstract
Approximately 50% of human pregnancies humans fail, most before or during implantation. One factor contributing to pregnancy loss is abnormal glucose metabolism in the endometrium. Glucose contributes to preimplantation embryo development, uterine receptivity, and attachment of the embryo. Across multiple species, the epithelium stores glucose as the macromolecule glycogen at estrus. This reserve is mobilized during the preimplantation period. Glucose from circulation or glycogenolysis can be secreted into the uterine lumen for use by the embryo or metabolized via glycolysis, producing ATP for the cell. The resulting pyruvate could be converted to lactate, another important nutrient for the embryo. Fructose is an important nutrient for early embryos, and the epithelium and placenta can convert glucose to fructose via the polyol pathway. The epithelium also uses glucose to glycosylate proteins, which regulates embryo attachment. In some species, decidualization of the stroma is critical to successful implantation. Formation of the decidua requires increased glucose metabolism via the pentose phosphate pathway and glycolysis. After decidualization, the cells switch to aerobic glycolysis to produce ATP. Paradoxically, the decidua also stores large amounts of glucose as glycogen. Too little glucose or an inability to take up glucose impairs embryo development and decidualization. Conversely, too much glucose inhibits these same processes. This likely contributes to the reduced pregnancy rates associated with conditions like obesity and diabetes. Collectively, precise control of glucose metabolism is important for several endometrial processes required to establish a successful pregnancy. The factors regulating these metabolic processes remain poorly understood.
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Affiliation(s)
- Ziting Chen
- Department of Animal Science, University of Illinois, Urbana-Champaign, Urbana, Illinois, USA
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, Michigan, USA
| | - Matthew Dean
- Department of Animal Science, University of Illinois, Urbana-Champaign, Urbana, Illinois, USA
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