PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30841972-6 2019 Firstly, this study demonstrated that AST-PCL (polycaprolactone) degradation media protects endothelial cells from apoptosis by down-regulating the expression of cleaved Caspase 3 and decreasing the ratio of Bax/Bcl-2, it also attenuates the stress fiber formation in vitro. polycaprolactone 47-63 BCL2, apoptosis regulator Rattus norvegicus 212-217