PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16238103-7 2005 In vitro, Tibolone acted as an estrogen in downregulating ER and upregulating Bcl-xL, yet as progesterone, increasing STAT5 and tissue factor in breast cancer cells. tibolone 10-18 signal transducer and activator of transcription 5A Homo sapiens 118-123