Asian Pacific Journal of Tropical Biomedicine
Benzydamine hydrochloride ameliorates ethanol-induced inflammation in RAW 264.7 macrophages by stabilizing redox homeostasis
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Abstract:
Objective: To evaluate the protective effect of benzydamine hydrochloride against ethanol-induced oxidative stress and inflammation in RAW 264.7 macrophages. Methods: RAW 264.7 macrophages were treated with ethanol (100 mM) and benzydamine hydrochloride (7.5 μM). The imflammatory status was confirmed by measuring pro- (TNF-α and IL-6) and anti-inflammatory (IL-10) cytokines through ELISA and RT-PCR assays. Reactive oxygen species generation and mitochondrial membrane potential were investigated to study the protective role of benzydamine hydrochloride against ethanol-induced oxidative stress. Apoptosis detection was also investigated using flow cytometry and acridine orange/ethidium bromide staining. Results: Benzydamine hydrochloride significantly decreased the secretion of TNF-α and IL-6, as well as the generation of reactive oxygen species inside the cells, thereby stabilizing the mitochondrial membrane potential and reducing DNA fragmentation. The ethanol-induced cellular necrosis was also reversed by the administration of benzydamine hydrochloride. Conclusions: Benzydamine hydrochloride ameliorates ethanol-induced cell apoptosis and inflammation in RAW macrophages.
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