PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22807977-2 2012 Thus, we hypothesized that BRCA1 protein expression and activating PIK3CA mutations are potential tumor biomarkers for the chemotherapeutic response to doxorubicin/cyclophosphamide plus docetaxel in locally advanced breast cancer. Cyclophosphamide 164-180 BRCA1 DNA repair associated Homo sapiens 27-32