PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20332299-6 2010 By contrast, downregulation of EGFR by sulindac sulfide and sulindac sulfone was first evident at 4 and 24 hours, respectively, with maximal downregulation at 72 hours. sulindac sulfone 60-76 epidermal growth factor receptor Homo sapiens 31-35