FBLN1 and ovarian cancer: Finally, fibulin 1 has been reported to play a role in resistance to ferroptosis in EMT.[95] Fibulin 1 is a glycoprotein that maintains the stability of the extracellular matrix and is a tumor suppressor in gastric, prostate, breast, and ovarian cancers.[96] Fibronectin-1 was found to be overexpressed and inhibited ferroptosis in endometrial ectopic stromal cells.