title: Efflux in isolated hepatocytes as a possible correlate of secretion in vivo: induced exit of the folic acid analog methotrexate, by dibutyryl cyclic AMP or isobutyl methyl xanthine.
mesh_terms: D015056:1-Methyl-3-isobutylxanthine / Q000494:pharmacology*; D000818:Animals; D001692:Biological Transport / Q000187:drug effects; D003994:Bucladesine / Q000494:pharmacology*; D066298:In Vitro Techniques; D007700:Kinetics; D008099:Liver / Q000187:drug effects / Q000378:metabolism*; D008297:Male; D008727:Methotrexate / Q000378:metabolism*; D051381:Rats; D013806:Theophylline / Q000031:analogs & derivatives*
chemical_list: D003994:Bucladesine; D013806:Theophylline; D015056:1-Methyl-3-isobutylxanthine; D008727:Methotrexate