PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31417419-8 2019 Furthermore, our results suggested that UA improved intestinal dysbiosis and the expression of the tight junction proteins Claudin 1 and Occludin in the ileum of rats. ursolic acid 40-42 occludin Rattus norvegicus 137-145