Xylazole inhibits NO-cGMP pathway in fetal rat nerve cells
2022
Wang, X.Y. | Wu, Y. | Liu, L. | Bai, H. | Zhang, Z.H. | Zhao, M.C. | Ma, T.W. | Song, X.P. | Jia, L. | Lv, L.G. | Yu, Y. | Xu, X.Y. | Chen, H. | Gao, L.
BACKGROUND: Xylazole (Xyl) is a veterinary anesthetic that is structurally and functionally similar to xylazine. However, the effects of Xyl in vitro remain unknown. OBJECTIVES: This study aimed to investigate the anesthetic mechanism of Xyl using fetal rat nerve cells treated with Xyl. METHODS: Fetal rat nerve cells cultured for seven days were treated with 10, 20, 30, and 40 μg/ mL Xyl for 0, 5, 10, 15, 20, 25, 30, 45, 60, 90, and 120 min. Variations of amino acid neurotransmitters (AANTs), Nitric oxide-Cyclic GMP (NO-cGMP) signaling pathway, and ATPase were evaluated. RESULTS: Xyl decreased the levels of cGMP and NO in nerve cells. Furthermore, Xyl affected the AANT content and Na⁺-K⁺-ATPase and Ca²⁺-Mg²⁺-ATPase activity in nerve cells. These findings suggested that Xyl inhibited the NO-cGMP signaling pathway in nerve cells in vitro. CONCLUSIONS: This study provided new evidence that the anesthetic and analgesic effects of Xyl are related to the inhibition of the NO-cGMP signaling pathway.
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