PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11324469-5 2000 RESULTS: After treatment with HCPT at differentiation-inducing concentrations 5-20 micrograms.L-1 for 6 d, Hep G2 cells were mainly arrested at G2/M phase and the PCNA expression rate was lower than that of control cells. 10-hydroxycamptothecin 30-34 proliferating cell nuclear antigen Homo sapiens 163-167