نتایج جستجو برای: induced cholestasis
تعداد نتایج: 985254 فیلتر نتایج به سال:
Our previous work supports a role for aquaporin-8 (AQP8) water channels in rat hepatocyte bile formation mainly by facilitating the osmotically driven canalicular secretion of water. In this study, we tested whether a condition with compromised canalicular bile secretion, i.e., the estrogen-induced intrahepatic cholestasis, displays defective hepatocyte AQP8 functional expression. After 17alpha...
European studies have revealed that the ABCB11 c.1331T>C (V444A) polymorphism (rs2287622) C-allele frequency is higher among patients with drug-induced cholestasis. Given the low incidence of this disease, however, this association has not been sufficiently elucidated. We aimed to investigate the significance of this polymorphism in Japanese patients. We determined ABCB11 V444A polymorphism fre...
The pathogenesis of lithocholic acid (LCA-Na)-induced cholestasis involves a rapid accumulation of cholesterol in the bile canalicular membrane. Since microtubules play an important role in the intracellular transport of many materials, including cholesterol, the present study was undertaken to assess the extent to which they participate in the development of LCA-Na-induced cholestasis. Rats we...
OBJECTIVE melatonin has been demonstrated to have active antioxidant properties in different tissues during experimental cholestasis. The aim of this research was to study myocardial oxidative stress on obstructive jaundice, and to analyze the effect of melatonin on myocardial oxidative lesions. MATERIAL AND METHODS we achieved cholestasis by ligature and sectioning of the main bile duct. Mel...
Obstructive jaundice damages critical functions in the liver. Nitric oxide modulation would influence liver damage induced by biliary obstruction, and little is known about it Acute cholestasis was induced by bile duct ligation (BDL) in two groups of male Sprague-Dawley rats. L-Arginine or serum physiologic was administered to treatment and control group. Histopathological and immunohistochemic...
Hepatobiliary transport systems mediate hepatic uptake and biliary excretion of bile acids, bilirubin and other biliary constituents. Hereditary or acquired defects of these transporters may cause or maintain cholestasis and jaundice under various clinical conditions including progressive familial intrahepatic cholestasis (PFIC) 1-3 or its milder forms, benign recurrent intrahepatic cholestasis...
Inhibition of the bile salt export pump (BSEP) has been recognized as a key factor in the development of drug-induced cholestasis (DIC). The risk of DIC in humans has been previously assessed using in vitro BSEP inhibition data (IC50) and unbound systemic drug exposure under assumption of the "free drug hypothesis." This concept, however, is unlikely valid, as unbound intrahepatic drug concentr...
introduction a 65-year-old man presented to the emergency department with abdominal pain, abnormal liver function tests (cholestatic pattern), and normocytic anemia. he had been an opium user for 20 years. clinical and preclinical findings including the bluish discoloration of periodontal tissues, or burton’s sign, and generalized ileus on abdominal x-ray led us to the possibility of lead poiso...
this report presents an 11 year-old girl with benign recurrent cholestasis (bric) who developed episodes of severe jaundice and pruritus at the ages of 2.5 and 10 years. each episode lasted for 3-4 months. the peak level of serum bilirubin reached 33-37 mg/dl.liver function tests were all normal during the attack except for increased alkaline phosphatase and prolonged prothrombin time responsiv...
The mechanism of cholestasis (decreased bile flow) induced by taurolithocholate in the isolated perfused hamster liver was investigated. Taurocholate was infused to maintain bile acid output, and sulfobromophthalein (BSP) was administered to establish a BSP transport maximum in bile. The effects of taurolithocholate on bile flow and on the biliary secretion of BSP and bile acid anions were dete...
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