Stimulation of tissue plasminogen activator production from epithelial cell lines.

Abstract:

:The aim of this study was to investigate the possibility of enhancing the yield of tissue plasminogen activator (tPA) from two epithelial cell lines of normal (non-malignant) derivation grown in tissue culture. The three agents used in this investigation were chosen because of their proven enhancing effect on analogous cells or products. The anabolic hormone stanozolol was found to have no significant stimulatory effect on these cell lines. A phorbol acetate (12-O-tetradecanoylphorbol 13-acetate) caused a twofold enhancement in tPA yield but the most significant results were obtained with 5-azacytidine. This agent increased the yield by up to fourfold in small stationary cultures and threefold in large-scale microcarrier cultures. A combination of azacytidine and phorbol acetate did not have an additive effect on total yield but did alter the kinetics of tPA expression with time. Indications were that the maximum yield with these types of potentiating agents was achieved as it could not be increased by using a combination of two different agents.

journal_name

Cell Biochem Funct

authors

Electricwala A,Griffiths B

doi

10.1002/cbf.290040109

subject

Has Abstract

pub_date

1986-01-01 00:00:00

pages

55-60

issue

1

eissn

0263-6484

issn

1099-0844

journal_volume

4

pub_type

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