PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21168456-4 2011 The cell killing effect of UA on activated HSCs in rats chronically treated with thioacetamide (TAA) was detected by dual staining of TdT-mediated dUTP nick-end labeling (TUNEL) and smooth muscle alpha-actin (alphaSMA) immunohistochemistry, and resolution of hepatic fibrosis was evaluated. ursolic acid 27-29 actin alpha 2, smooth muscle Rattus norvegicus 182-207