Raetsch, C Pentoxifylline downregulates profibrogenic cytokines and procollagen I expression in rat secondary biliary fibrosis. [electronic resource] - Gut Feb 2002 - 241-7 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0017-5749 Standard No.: 10.1136/gut.50.2.241 doi Subjects--Topical Terms: Administration, OralAnimalsCholestasis--complicationsChronic DiseaseCollagen--metabolismCytokines--metabolismDNA Probes--analysisDNA, Complementary--analysisDose-Response Relationship, DrugDown-RegulationEnzyme Inhibitors--administration & dosageFemaleHydroxyproline--analysisLiver--metabolismLiver Cirrhosis, Biliary--drug therapyLiver Cirrhosis, Experimental--metabolismPentoxifylline--administration & dosagePeptide Fragments--metabolismProcollagen--metabolismRNA, Messenger--metabolismRatsRats, WistarTissue Inhibitor of Metalloproteinase-1--metabolism