together with t-pa , human microvascular cells release urokinase-type plasminogen activator ( u-pa ) antigen and endothelial cell-type pa inhibitor , pa inhibitor-1 , which were both demonstrated by specific immunoprecipitation from radiolabeled endothelial cell conditioned medium .
C0042071
urokinase-type plasminogen activator
C0225336
endothelial cell