PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19500415-7 2009 The effect of ectopic Id4 expression in DU145 cells was determined by cell cycle analysis (3H thymidine incorporation and FACS), expression of androgen receptor, p53 and cyclin dependent kinase inhibitors p27 and p21 by a combination of RT-PCR, real time-PCR, western blot and immuno-cytochemical analysis. 3h thymidine 91-103 inhibitor of DNA binding 4, HLH protein Homo sapiens 22-25