Cholestasis
Mostrando 25-36 de 133 artigos, teses e dissertações.
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25. Low serum selenium concentration and glutathione peroxidase activity in intrahepatic cholestasis of pregnancy.
Serum selenium concentrations were found to be significantly lower in women with intrahepatic cholestasis of pregnancy than in women with normal pregnancies during the last trimester of pregnancy and post partum. The activity of the selenoenzyme glutathione peroxidase had a significant positive correlation with selenium concentration and it was also signific
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26. Liver function in septic shock.
Serum liver function tests were estimated in 57 patients admitted to an Intensive Therapy Unit (ITU) with a diagnosis of septic shock. Following an initial biochemical disturbance, persisting hyperbilirubinaemia was associated with a poor prognosis. Post-mortem liver histology in 22 patients showed varying degrees of non-specific reactive change, venous cong
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27. Effect of rifampicin in the treatment of pruritus in hepatic cholestasis.
Pruritus in hepatic cholestasis has been suggested to be secondary to a high concentration of serum bile acids. Rifampicin, which inhibits the uptake of bile acids by hepatocytes, has been used to treat pruritus. To determine the efficacy of rifampicin as a treatment for refractory pruritus, the medical records of 33 children (median age 25 months, range 4-1
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28. Multiple myeloma in a patient with fever of unknown origin and cholestasis
THE DIFFERENTIAL DIAGNOSIS OF FEVER of unknown origin includes infectious diseases, malignancies and connective tissue diseases. Multiple myeloma is not usually included in the differential diagnosis, nor is it considered a frequent cause of cholestasis in the absence of amyloidosis. We report a case of multiple myeloma in a patient presenting with a long-st
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29. The BH3-Only Protein Bid Does Not Mediate Death-Receptor-Induced Liver Injury in Obstructive Cholestasis
The accumulation of bile acids during obstructive cholestasis causes liver injury and fibrosis, which is at least partly mediated by the death receptors Tumor necrosis factor-related apoptosis-inducing ligand, Tumor necrosis factor-α, and Fas. The BH3-interacting domain death agonist Bid is a critical mediator of death receptor-induced apoptosis in hepatocy
American Society for Investigative Pathology.
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30. Nuclear receptors constitutive androstane receptor and pregnane X receptor ameliorate cholestatic liver injury
Cholestasis is associated with accumulation of bile acids and lipids, and liver injury. The constitutive androstane receptor (CAR) and pregnane X receptor (PXR) are xenobiotic nuclear receptors that coordinate protective hepatic responses to potentially toxic stimuli, including bile acids. We investigated the role of these receptors in the regulation of bile
National Academy of Sciences.
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31. Effect of Maternal Intrahepatic Cholestasis on Fetal Steroid Metabolism
Estriol, estriol sulfate, progesterone, and 17 neutral steroid sulfates, including estriol precursors and progesterone metabolites, were determined in 27 cord plasma samples collected after pregnancies complicated by intrahepatic cholestasis of the mother. The levels of these steroids were compared with those in the cord plasma of 42 healthy controls.
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32. Suppression of hypothalamic-pituitary-adrenal axis responsiveness to stress in a rat model of acute cholestasis.
Cholestatic patients undergoing surgery have increased mortality and demonstrate clinical features suggestive of adrenal insufficiency. To examine whether cholestasis influences the status of the hypothalamic-pituitary-adrenal axis, we evaluated rats with acute cholestasis caused by bile duct resection (BDR) and sham-operated and unoperated controls. Basal u
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33. Adrenergic regulation of glycogenolysis in rat liver after cholestasis. Modulation of the balance between alpha 1 and beta 2 receptors.
The effects of extrahepatic cholestasis upon adrenergic regulation of glycogenolysis and upon the numbers of adrenoceptors in rat liver were studied using isolated hepatocytes and plasma membranes, respectively. A 60% decrease in the number of alpha 1 adrenoceptors (285 vs. 680 fmol/mg protein) and a simultaneous 2.7-fold increase in the number of beta adren
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34. Cholestasis induced by sodium taurolithocholate in isolated hamster liver
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
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35. Locus heterogeneity in progressive familial intrahepatic cholestasis.
Progressive familial intrahepatic cholestasis (PFIC or Byler disease) is a rare autosomal recessive form of severe and fatal cholestatic liver disease. A locus for PFIC has recently been mapped to chromosome 18q21-q22 in the original Byler pedigree. This region harbours the locus for a related phenotype, benign recurrent intrahepatic cholestasis (BRIC), sugg
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36. Mutations in the MDR3 gene cause progressive familial intrahepatic cholestasis
Class III multidrug resistance (MDR) P-glycoproteins (P-gp), mdr2 in mice and MDR3 in man, mediate the translocation of phosphatidylcholine across the canalicular membrane of the hepatocyte. Mice with a disrupted mdr2 gene completely lack biliary phospholipid excretion and develop progressive liver disease, characterized histologically by portal inflammation
National Academy of Sciences.