Neural tube defects (NTDs) are severe congenital malformations that can lead to lifelong disability. Wuzi Yanzong Pill (WYP) is an herbal formula of traditional Chinese medicine (TCM) that has been shown to have a protective effect against NTDs in a rodent model induced by all-trans retinoic acid (atRA), but the mechanism remains unclear. In this study, the neuroprotective effect and mechanism of WYP on NTDs were investigated in vivo using an atRA-induced mouse model and in vitro using cell injury model induced by atRA in Chinese hamster ovary (CHO) cells and Chinese hamster dihydrofolate reductase-deficient (CHO/dhFr) cells. Our findings suggest that WYP has an excellent preventive effect on atRA-induced NTDs in mouse embryos, which may be related to the activation of the PI3K/Akt signaling pathway, improved embryonic antioxidant capacity, and anti-apoptotic effects, and this effect is not dependent on folic acid (FA). Our results demonstrated that WYP significantly reduced the incidence of NTDs induced by atRA; increased the activity of catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), and content of glutathione (GSH); decreased the apoptosis of neural tube cells; up-regulated the expression of phosphatidylinositol 3 kinase (PI3K), phospho protein kinase B (p-Akt), nuclear factor erythroid-2 related factor (Nrf2), and b-cell lymphoma-2 (Bcl-2); and down-regulated the expression of bcl-2-associated X protein (Bax). Our in vitro studies suggested that the preventive effect of WYP on atRA-treated NTDs was independent of FA, which might be attributed to the herbal ingredients of WYP. The results suggest that WYP had an excellent prevention effect on atRA-induced NTDs mouse embryos, which may be independent of FA but related to the activation of the PI3K/Akt signaling pathway and improvement of embryonic antioxidant capacity and anti-apoptosis.
This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 01 September 2023.
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