125 SIDE CHAIN MODIFIED BILE ACIDS MODULATE ENDOPLASMIC RETICULUM STRESS IN MDR2-/- MICE IN VIVO AND BILE DUCT EPITHELIAL CELLS IN VITRO - Moustafa, T.; Halilbasic, E.; Fickert, P.; Fuchsbichler, A.; Gumhold, J.; Silbert, D.; Denk, H.; Trauner, M. (Journal of Hepatology, 2008)