7828
And , the effects of the compounds on expression of plasminogen activator inhibitor type 1 ( PAI - 1 ) and tissue - type plasminogen activator ( t - PA ) were tested in tumor necrosis factor - ( TNF ) - alpha activated HUVECs .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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