Conjugation is essential for the anticholestatic effect of NorUrsodeoxycholic acid in taurolithocholic acid–induced cholestasis in rat liver
Gerald U. Denk, Silvia Maitz, Ralf Wimmer, Christian Rust, Pietro Invernizzi, Sacha Ferdinandusse, Wim Kulik, Andrea Fuchsbichler, Peter Fickert, Michael Trauner, Alan F. Hofmann, Ulrich Beuers – 20 August 2010 – NorUDCA (24‐norursodeoxycholic acid), the C23‐homolog of ursodeoxycholic acid (UDCA), showed remarkable therapeutic effects in cholestatic Mdr2 (Abcb4) (multidrug resistance protein 2/ATP‐binding cassette b4) knockout mice with sclerosing/fibrosing cholangitis.