Catechin regulates miR-182/GGPPS1 signaling pathway and inhibits LPS-induced acute lung injury in mice.

AIM

Acute lung injury (ALI) and resultant acute respiratory distress syndrome (ARDS) are detrimental inflammatory disease associated with high rates of morbidity and mortality due to a lack of effective treatment options. Previous study has demonstrated that an inhibition of geranylgeranyl pyrophosphate synthase large subunit 1 (GGPPS1) show a protective effect against ALI.

METHOD

In this study, by using connective map (CMAP), we identified catechin as a potential drug to exhibit similar effects to inhibit GGPPS1. Furthermore, we detected the protective effect of catechin on lipopolysaccharide (LPS)-induced ALI and delineated the underlying mechanism.

RESULTS

We found that catechin effectively ameliorated LPS-induced lung inflammation and alleviated the release of cytokines into alveolar space. Notably, miR-182/GGPPS1 signaling pathway was reactivated upon catechin administration, which was essential for the catechin-induced protective effect against ALI.

CONCLUSION

catechin regulates miR-182/GGPPS1 signaling pathway and efficaciously ameliorates LPS-induced acute lung injury in mice model, which provided a promising therapeutic strategy in ALI and ARDS.