Purification and characterization of single-chain urokinase-type plasminogen activator from human cell cultures.

Abstract

A urokinase-type plasminogen activator was purified from conditioned media of several human cell cultures, but preferably from the human lung adenocarcinoma line CALU-3 (ATCC, HTB-55), using a combination of chromatography on zinc chelate-Sepharose, SP-Sephadex C-50, and Sephadex G-100. Final yields of 65-100 micrograms/liter of starting material were… (More)

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