Abstract:Objective To investigate the expression and clinical significance of transcription factor E2F7 in lung adenocarcinoma and its adjacent tissues.Methods The RNAseq data of 337 cases of lung adenocarcinoma tissues(tumor group)and 59 cases of paracancer tissues(para-cancer control group)and the corresponding clinical data of lung adenocarcinoma patients were downloaded from the cancer genome atlas(TCGA)database,and the expression of E2F7 in the data set was analyzed and processed.The correlation between E2F7 expression and clinicopathological features of lung adenocarcinoma and its influence on the prognosis were analyzed and compared,and evaluate independent risk factors for the prognosis in patients with lung adenocarcinoma through the COX risk ratio model.Results The expression level of E2F7 in the tumor group was significantly higher than that in the para-carcinoma control group(P<0.05).T Stage,N Stage and Stage were relevant factors in E2F7 expression(P<0.05).Survival analysis showed that patients with high expression of E2F7 in lung adenocarcinoma had a poor prognosis(P<0.05).The results of the multivariate COX risk ratio model results showed that high E2F7 expression level and Stage were independent risk factors for poor prognosis in patients with lung adenocarcinoma(P<0.05).Conclusion E2F7 may promote the occurrence and development of lung adenocarcinoma through various ways,thus affecting the prognostic survival of patients with lung adenocarcinoma.Therefore,E2F7 can be used as a prognostic marker or potential therapeutic target for patients with lung adenocarcinoma.
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