Objective To investigate the molecular mechanism influencing the overall survival of lung adenocarcinoma based on big data mining. Methods Based on TCGA lung adenocarcinoma RNA sequencing data,we first collected up-regulated mRNAs in lung adenocarcinoma samples,and then conducted survival analysis using the up-regulated mRNAs in 10 independent GEO datasets.Bioinformatics methods were used to find the potential upstream long non-coding RNAs(lncRNAs)and microRNAs(miRNAs)of minichromosome maintenance complex c...