the plasminogen activator ( pa ) produced by freshly purified human monocytes-macrophages and histiocytic , lymphoma-derived u 937 cells was analyzed by zymography after sodium dodecyl sulfate-polyacrylamide gel electrophoresis ( sds-page ) , and found to migrate with an apparent mr of 55,000 , identical to that of urokinase ( uk ) .
C0086418
human
C0042071
urokinase