期刊
BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE
卷 19, 期 -, 页码 -出版社
BMC
DOI: 10.1186/s12906-019-2515-7
关键词
Troxerutin; In silico prediction; Acute lung injury; Protective effect; Inflammatory response
BackgroundTroxerutin (TRX), a naturally occurring flavonoid in various fruits, has been reported to exhibit numerous pharmacological and biological activities in vitro and in vivo. However, the molecular mechanisms underlying TRX as a treatment for disease are poorly understood.MethodsUsing pharmacophore mapping and inverse docking, a set of potential TRX target proteins that have been associated with multiple forms of diseases was obtained. Bioinformatic analyses were performed using the Enrichr and STRING servers to analyse the related biological processes and protein-protein networks. Furthermore, we investigated the potential protective effect of TRX against lipopolysaccharide-induced acute lung injury (ALI) using a mouse model. Morphological changes in the lungs were assessed using haematoxylin and eosin staining. Inflammatory cytokines, tumour necrosis factor- (TNF-), interleukin-1 (IL-1), IL-6 and IL-10 were investigated using ELISA. Activation of MAPK and NF-B was detected using western blotting.ResultsOur network pharmacology analysis revealed the existence of multiple TRX-related chemical-target interactions and the related biological processes. We found that pretreatment with TRX protected against histological changes and obviously regulated the inflammatory cell counts and inflammatory cytokine levels in bronchoalveolar lavage fluid. Based on bioinformatic and western blot analyses, TRX may exert a protective effect against ALI by inhibiting MAPK and NF-B signalling.ConclusionsTRX can ameliorate pulmonary injury by inhibiting the MAPK and NF-B signalling pathways and has a potential protective effect against ALI. This study may be helpful for understanding the mechanisms underlying TRX action and for discovering new drugs from plants for the treatment of ALI.
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