Mechanism and Effect of UCMSCS on Ovarian Structure and Function in Naturally Ageing C57 Mice
Research Square (Research Square)(2020)
Abstract
Abstract Background: The ovary is the core reproductive organ of a woman and is of great significance for maintaining normal functioning of the reproductive system and the stability of the endocrine system. With an increase in age, the ovaries begin to age, and ovarian ageing will cause a decline in fertility. Methods: Ageing C57 mice were used to explore the mechanism by which mouse umbilical cord mesenchymal stem cells (mUCMSCs) promote the antioxidant repair of granulocytes (mGCs). The ovarian volume in C57 mice, which were routinely reared to 18 months, decreased, and the follicles at all levels disappeared. All statistical analyses were performed using SPSS 21.0 statistical software. P <0.05 was considered to indicate a significant difference. Results: After mUCMSC transplantation, the mouse ovaries increased in size, follicles at various levels were seen in the cortex, and sinus follicle counts increased, indicating that mUCMSCs have a curative effect on ovarian ageing. Conclusions: mUCMSCs downregulated the expression of apoptosis-related genes (Bax, Caspase-3), upregulated the expression of SOD2 and the peroxidase gene PRDX IV, and reduced the granulocyte apoptosis rate and ROS level. Co-cultivation with mUCMSCs can increase antioxidative stress in mGCs and reduce mGC apoptosis.
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Key words
ageing c57 mice,ovarian structure,ucmscs
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