PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8655601-3 1996 Endothelial cells sense pO2 levels in the range of 70-20 torr and respond to this hypoxia by inducing transcription of genes which encode the vasoactive proteins PDGF-B and endothelin-1. PO-2 24-27 platelet derived growth factor subunit B Homo sapiens 162-168