Figure 1. miR-21 expression is associated with decreased survival in 6 patient cohorts identified in the TCGA database.
(a) Glioblastoma multiforme; (b) Renal clear cell carcinoma; (c) Low grade glioma; (d) Hepatocellular carcinoma; (e) Lung adenocarcinoma; (f) Pancreatic adenocarcinoma. Kaplan–Meier results were analyzed by log-rank test. *P ≤ 0.05, ***P ≤ 0.001.