PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17178882-10 2006 In mechanism of action studies, sorafenib inhibited the phosphorylation of both ERK and eIF4E, reduced the microvessel area (assessed by CD34 immunohistochemistry), and induced tumor cell apoptosis (assessed by terminal deoxynucleotidyl transferase-mediated nick end labeling) in PLC/PRF/5 tumor xenografts. Sorafenib 32-41 CD34 molecule Homo sapiens 137-141