PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 23364531-4 2013 Claudin-b morphants exhibited an increase in epithelial permeability to the paracellular marker polyethylene glycol (PEG-4000) and fluorescein isothiocyanate-dextran (FD-4). peg-4000 117-125 claudin b Danio rerio 0-9 10053166-3 1999 The first detected effects of Cd2+ in Caco-2 cells after 4 h exposure were a decrease in transepithelial electrical resistance, increased permeabilities of mannitol and PEG-4000, and changes in intercellular localization of ZO-1, occludin, and e-cadherin. peg-4000 169-177 CD2 molecule Homo sapiens 30-33