In carbon tetrachloride-induced liver cirrhosis, diminution of hepatic endothelial nitric oxide synthase (eNOS) activity may contribute to impaired hepatic vasodilation and portal hypertension. The mechanisms responsible for these events remain unknown; however, a role for the NOS-associated proteins caveolin and calmodulin has been postulated. The purpose of this study is to characterize the e...

Inhibition of canalicular bile acid efflux by medications is associated with clinical liver toxicity, sometimes in the absence of major liver effects in experimental species. To predict the hepatotoxic potential of compounds in vitro and in vivo, we investigated the effect of clinical cholestatic agents on [3H]taurocholic acid transport in regular and collagen-sandwich cultured human hepatocyte...

Neuropeptide Y (NPY) is a key factor in the neurochemical control of food intake, and obstructive cholestasis can be associated with disturbances in food intake. Our aim in this study was to determine whether obstructive cholestasis in the rat is associated with defective central responsiveness to NPY. Cholestasis was induced in rats by surgical bile duct resection. Rats with obstructive choles...

AIM To analyze time intervals of inflammation and regeneration in a cholestatic rat liver model. METHODS In 36 Lewis rats, divided into six groups of 6 animals (postoperative observation periods: 1, 2, 3, 4, 6, 8 wk), the main bile duct was ligated with two ligatures and observed for the periods mentioned above. For laboratory evaluation, cholestasis parameters (bilirubin, γ-GT), liver cell p...

OBJECTIVE To assess the feasibility of screening for cholestatic hepatobiliary disease and extrahepatic biliary atresia by using tandem mass spectrometry to measure conjugated bile acids in dried blood spots obtained from newborn infants at 7-10 days of age for the Guthrie test. SETTING Three tertiary referral clinics and regional neonatal screening laboratories. DESIGN Unused blood spots f...

Intrahepatic cholestatic hepatitis is a rare but therapy-limiting side effect of antiarrhythmic drugs, in literature only few reports are related to the subscription of ajmaline [1-3]. As potential causes for development of intrahepatic cholestatic hepatitis drug-triggered autoimmune reactions as well as direct toxic effects are recently discussed. However, the mechanism of this severe hepatic ...

A case is reported of hypertrophic osteoarthropathy with recovery after a liver graft in a young man with end stage cholestatic cirrhosis related to non-Wilsonian copper overload. To our knowledge this is the first case in the literature illustrating the curative role of liver grafting on hypertrophic osteoarthropathy associated with chronic cholestatic liver disease.

Hitherto little attention has been paid to cholestatic jaundice in the newborn which occurs in the absence of rhesus incompatibility. 4 such cases, among a consecutive series of 24 newborns with prolonged neonatal jaundice occurring in the Devon and Exeter clinical area since 1960, are here described in detail to demonstrate that their clinical and histological picture, and their prognosis, is ...