Abstract
Vanillin, the main constituents of vanillin beans, has been reported to exhibit anti-inflammatory effects. However, the effects of vanillin on the cadmium-induced lung injury are still unclear. Therefore, we assay whether vanillin has potential preventive activity on cadmium-induced lung injury in mice. Mice were given vanillin (5, 10, 20 mg/kg) and treated with cadmium for 7 days. The detection data of vanillin on lung tissue changes were analyzed after the cadmium treatment. The results displayed that vanillin obviously decreased the lung histological alterations and myeloperoxidase (MPO) activity. Vanillin also suppressed the levels of TNF-α, IL-1β, and IL-6 in BALF. Furthermore, vanillin prevented cadmium-induced NF-κB activation and upregulation the expression of tight junction protein ZO-1 and occludin. In addition, vanillin significantly increased the expression of aryl hydrocarbon receptor (AhR), and inhibition of AhR by its agonist could reverse the protective effects of vanillin on cadmium-induced lung injury. To sum up, vanillin could be a potential drug for the treatment of cadmium-induced lung injury.
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Xueshibojie Liu, Wei Jiang, and Chengbi Xu designed the experiment; Xueshibojie Liu, Jinghui Yang, Jinqiu Li, and Wei Jiang did the experiment; Chengbi Xu analyzed the data; Xueshibojie Liu wrote the paper; Wei Jiang and Jinqiu Li revised the paper.
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Liu, X., Yang, J., Li, J. et al. Vanillin Attenuates Cadmium-Induced Lung Injury Through Inhibition of Inflammation and Lung Barrier Dysfunction Through Activating AhR. Inflammation 44, 2193–2202 (2021). https://doi.org/10.1007/s10753-021-01492-1
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DOI: https://doi.org/10.1007/s10753-021-01492-1