passages.id: split_8_test_2478_passage
passages.type: progene_text
passages.text: No effects were found in rat fat cells , whereas EGF ( EC(50) for glucose transport approximately 0.02 nm ) and transforming growth factor alpha ( EC(50) approximately 0.2 nm ) , but not platelet - derived growth factor , mimicked the effects of insulin ( EC(50) approximately 0.2 nm ) on both pathways .