Urokinase-like plasminogen activators of unusually high molecular weight secreted by a cell line derived from a human lung cancer case.


The HPL-SK-1 cell line derived from the pleural exudate of a lung cancer patient has been shown to secrete plasminogen activators of very high molecular weights (greater than or equal to 2 and 1 million), as shown by gel filtration on Sepharose 6B or CL-6B. The size of these activators could not be reduced by chromatography in buffers containing 2% sodium… (More)


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