PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23032654-11 2012 Although biopsy-proven cases of FSGS associated with sunitinib have been reported, this is, to our knowledge, the first reported case of biopsy-proven FSGS associated with sorafenib. Sorafenib 172-181 actinin alpha 4 Homo sapiens 151-155