Regurgitation of bile acids from leaky bile ducts causes sclerosing cholangitis in Mdr2 (Abcb4) knockout mice

P Fickert, A Fuchsbichler, M Wagner, G Zollner… - Gastroenterology, 2004 - Elsevier
Background & Aims : Because the mechanisms leading to bile duct damage in sclerosing
cholangitis are unknown, we aimed to determine the pathogenesis of bile duct injury in …

Hepatobiliary transporter expression in percutaneous liver biopsies of patients with cholestatic liver diseases

G Zollner, P Fickert, R Zenz, A Fuchsbichler… - Hepatology, 2001 - Elsevier
Reduced hepatobiliary transporter expression could explain impaired hepatic uptake and
excretion of bile salts and other biliary constituents resulting in cholestasis and jaundice. …

Role of nuclear receptors in the adaptive response to bile acids and cholestasis: pathogenetic and therapeutic considerations

G Zollner, HU Marschall, M Wagner… - Molecular …, 2006 - ACS Publications
Cholestasis results in intrahepatic accumulation of cytotoxic bile acids which cause liver injury
ultimately leading to biliary fibrosis and cirrhosis. Cholestatic liver damage is counteracted …

[PDF][PDF] CAR and PXR agonists stimulate hepatic bile acid and bilirubin detoxification and elimination pathways in mice

M Wagner, E Halilbasic, HU Marschall, G Zollner… - …, 2005 - Wiley Online Library
Induction of hepatic phase I/II detoxification enzymes and alternative excretory pumps may
limit hepatocellular accumulation of toxic biliary compounds in cholestasis. Because the …

Complementary stimulation of hepatobiliary transport and detoxification systems by rifampicin and ursodeoxycholic acid in humans

HU Marschall, M Wagner, G Zollner, P Fickert… - Gastroenterology, 2005 - Elsevier
Background & Aims: Rifampicin (RIFA) and ursodeoxycholic acid (UDCA) improve symptoms
and biochemical markers of liver injury in cholestatic liver diseases by largely unknown …

[HTML][HTML] New molecular insights into the mechanisms of cholestasis

M Wagner, G Zollner, M Trauner - Journal of hepatology, 2009 - Elsevier
Recent progress in basic research has enhanced our understanding of the molecular
mechanisms of normal bile secretion and their alterations in cholestasis. Genetic transporter …

Upregulation of a basolateral FXR-dependent bile acid efflux transporter OSTα-OSTβ in cholestasis in humans and rodents

…, SY Cai, T Moustafa, G Zollner… - American Journal …, 2006 - journals.physiology.org
Organic solute transporter (OSTα-OSTβ) is a novel heteromeric bile acid and sterol transporter
expressed at the basolateral membranes of epithelium in the ileum, kidney, and liver. To …

24-norUrsodeoxycholic acid is superior to ursodeoxycholic acid in the treatment of sclerosing cholangitis in Mdr2 (Abcb4) knockout mice

…, M Wagner, HU Marschall, A Fuchsbichler, G Zollner… - Gastroenterology, 2006 - Elsevier
Background & Aims: Current therapy for primary sclerosing cholangitis is of limited efficacy.
Multidrug resistance gene 2 knockout mice (Mdr2 −/− ) represent a well-characterized model …

Ursodeoxycholic acid aggravates bile infarcts in bile duct–ligated and Mdr2 knockout mice via disruption of cholangioles

P Fickert, G Zollner, A Fuchsbichler, C Stumptner… - Gastroenterology, 2002 - Elsevier
Background & Aims: The effects of ursodeoxycholic acid (UDCA) in biliary obstruction are
unclear. We aimed to determine the effects of UDCA in bile duct–ligated and in Mdr2 knockout (…

Adaptive changes in hepatobiliary transporter expression in primary biliary cirrhosis

G Zollner, P Fickert, D Silbert, A Fuchsbichler… - Journal of …, 2003 - Elsevier
Background/Aims: Information about alterations of hepatobiliary transporter expression in
primary biliary cirrhosis (PBC) could provide important insights into the pathogenesis of …