passages.id: split_5_test_546_passage
passages.type: progene_text
passages.text: OP-1 dose dependently inhibited activin A - induced activation of p3TP-Lux transcriptional reporter , containing part of the human plasminogen activator inhibitor-1 ( PAI-1 ) promoter , while activin A inhibited OP-1 - mediated alkaline phosphatase induction .