PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10221842-17 1999 Stimulation of [3H]thymidine incorporation in response to transforming growth factor-beta1 was donor dependent and variable; only two of six separate isolates of cells exposed to it had measurable alkaline phosphatase activity (which was relatively low), and none of the cultures exhibited an increase in response to transforming growth factor-beta1 for 24 hours. Thymidine 19-28 transforming growth factor beta 1 Homo sapiens 58-90