FGF7 and endometrial carcinoma: In 2003, ELK1 was identified as a downstream target of Fibroblast growth factor 7 (FGF7; also known as Keratinocyte growth factor, KGF) and Fibroblast growth factor 10 (FGF10; also known as Keratinocyte growth factor 2, KGF2) in human Endometrial carcinoma (EC) cells [287].