Gene vector pEYFP-N1 uPA p Tet-On/TRE-Tight uPA Doxycycline (µg/ml) － 0 1 5 10 uPA (ng/ml) 3.5 0 0.17 1.13 3.91 ELISA: Enzyme-Linked Immunosorbent Assay: The dash represents no data collected; uPA: Urokinase Plasminogen Activator

Table 1: Summary of the results of ELISA for uPA.