PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9015192-5 1997 Finally, we found that thymopentin and to a lesser extent phosphoramidon, a specific endopeptidase 24.11 inhibitor, induced up-regulation of CD4 and CD8 molecules at the thymocyte cell surface. phosphoramidon 58-72 CD4 molecule Homo sapiens 141-144