PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6365577-1 1983 Normal human IMR 90 fibroblasts at population doubling levels (PDL) 28 approximately 33 had an increased incorporation of 3H-thymidine into DNA when the cells were pretreated with physiologic concentrations of insulin (5 approximately 10 ng/ml) prior to re-initiation of the cell cycle. 3h-thymidine 122-134 insulin Homo sapiens 210-217