Bioinformatics analysis and in vivo validation study of Ophiocordyceps sinensis (Berk.)G.H.Sungetal against lung adenocarcinoma

Lung adenocarcinoma (LUAD) is one of the main types of lung cancer. Ophiocordyceps sinensis has many potentially useful pharmacologic features, such as lung protection, and both anti-inflammatory and antioxidant activities.This study was conducted to investigate-using bioinformatics and in vivo experimental validation-the possible role of O. sinensis against LUAD.We obtained important targets of O. sinensis for the treatment of LUAD using network pharmacology techniques and deep mining of the TCGA database, and validated them by molecular docking techniques and in vivo experiments.Through bioinformatics analysis and research, we screened BRCA1 and CCNE1 as important biomarkers for LUAD and as core targets of O. sinensis against LUAD. The non-small cell lung cancer signaling pathway, PI3K-Akt signaling pathway, and HIF-1 signaling pathway are potentially important pathways of O. sinensis against LUAD. The molecular docking results showed good binding between the active components in O. sinensis and the two core targets, and the in vivo experimental validation results indicated that O. sinensis had good inhibitory effects in the Lewis lung cancer (LLC) model.BRCA1 and CCNE1 are crucial biomarkers for LUAD and are important targets for O. sinensis to exert anti-LUAD effects.