PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21978374-0 2011 Down-regulation of estrogen receptor-alpha and rearranged during transfection tyrosine kinase is associated with withaferin a-induced apoptosis in MCF-7 breast cancer cells. withaferin A 113-125 estrogen receptor 1 Homo sapiens 19-42 21432907-0 2011 Withaferin a suppresses estrogen receptor-alpha expression in human breast cancer cells. withaferin A 0-12 estrogen receptor 1 Homo sapiens 24-47