期刊
AMERICAN JOURNAL OF REPRODUCTIVE IMMUNOLOGY
卷 89, 期 1, 页码 -出版社
WILEY
DOI: 10.1111/aji.13634
关键词
angiogenesis; endometrial receptivity; Erbu Zhuyu decoction; uterine natural killer cell; PI3K; Akt; eNOS pathway; embryo implantation dysfunction mice
In this study, we found that Erbu Zhuyu decoction (EBZY) can promote embryo implantation in mice with embryo implantation dysfunction (EID) by enhancing endometrial angiogenesis through activation of the PI3K/Akt/eNOS pathway. However, there is no evidence to suggest that EBZY can regulate the expression of uterine natural killer (uNK) cells.
Background We investigated the effect of Erbu Zhuyu decoction (EBZY) on angiogenesis via uterine natural killer (uNK) cells and the PI3K/Akt/eNOS pathway in embryo implantation dysfunction (EID) mice. Methods Pregnant mice were randomly divided into blank, model, EBZY, progynova, and aspirin groups. Uteri were excised on the 5th day of pregnancy for analysis. Results Mice in the model group showed pale uteri, a reduced implantation rate, and lower expression levels of phosphatidylinositol-3-kinase (PI3K), protein kinase B (Akt), endothelial nitric oxide synthase (eNOS) and nitric oxide (NO). Compared to the model group, implantation rates in the medium-dose and high-dose groups of EBZY were significantly higher (P < .05), PI3K and Akt mRNA expression levels in the low-dose group were significantly higher (P < .05, P < .01), and the expression of p-PI3K, p-Akt, and p-eNOS proteins in all treatment groups were significantly increased (P < .01, P < .05). The expression of NO was significantly increased in the low-dose and high-dose groups (P < .01, P < .05, respectively). The level of p-Akt protein in the high-dose group was significantly higher than those in the other treatment groups (P < .01, P < .05). There was no significant difference in the density of uNK cells (P > .05). Conclusions EBZY facilitated embryo implantation in EID mice by enhancing endometrial angiogenesis via activation of the PI3K/Akt/eNOS pathway, at least in part. There was no evidence to indicate that EBZY could adjust the expression of uNK.
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