PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33224274-18 2020 In addition, SMAD4 mutation and TGF-beta pathway were associated with worse PFS after regorafenib. regorafenib 86-97 SMAD family member 4 Homo sapiens 13-18 33224274-20 2020 In addition, SMAD4 mutation and the TGF-beta pathway were associated with worse PFS after regorafenib. regorafenib 90-101 SMAD family member 4 Homo sapiens 13-18 29211816-11 2017 Conversely, GAS6 amplification and SMAD4 mutation, detected in two long responder patients, might suggest a role of epithelial-mesenchymal transition phenotype in regorafenib response. regorafenib 163-174 SMAD family member 4 Homo sapiens 35-40