ETS2 contains an ETS DNA-binding domain and belongs to the ETS family. ETS2 is a target of protein kinase C and upregulates GM-CSF. Ets2 and its targets play essential roles in endothelial cell function. Coexpression of Ets-2 and SRC-1 significantly associated with the rate of recurrence and HER expression in breast cancer. Overexpression of ETS2 is associated with human esophageal squamous cell carcinoma.