Marco Delle Monache

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Bicarbonate excretion in bile is a major function of the biliary epithelium. It is driven by the apically located Cl-/HCO3- exchanger which is functionally coupled with a cAMP-dependent Cl- channel (CFTR). A number of hormones and/or neuropeptides with different mechanisms and at different intracellular levels regulate, in concert, the processes underlying(More)
Many different aetiological agents stimulate alanine aminotransferase (ALT) production. Viral markers and other aetiologies were investigated in 2166 individuals, randomly selected from 10,000 consecutive blood donors. Elevation of ALT was found in 10.8% of subjects. Grouping donors according to ALT level and correlating with, respectively, hepatitis B core(More)
Fifty-one patients with signs of past HBV infection were investigated for the HCV virus antibody. All patients were at least HBsAb, HBcAb positive. Two groups were selected: patients with increased serum AST activity (32/51) and patients with normal serum AST activity (19/51). Prevalence of HCV infection was higher (81.2%) in the group with high serum(More)
We investigated whether S-adenosyl-L-methionine (SAMe), dilinoleoylphosphatidylcholine (DLPC), or SAMe + DLPC influence liver lipid composition as well as acute ethanol hepatotoxicity in the isolated perfused rat liver (IPRL). SAMe (25 mg/kg intramuscularly three times a day) was administered for five consecutive days, while DLPC was administered(More)
OBJECTIVE Infection with hepatotropic viruses is associated with a variable degree of liver disease, and there is evidence that more severe lesions are related to the association with another viral infection. The aim of this investigation is to establish the relationship between different viral infections occurring in the same individual and the presence(More)
BACKGROUND On-treatment predictors during antiviral therapy of HCV are useful because they allow discontinuation of an unnecessary treatment in non-responders. Our aim was to evaluate the usefulness of plasma and erythrocyte ribavirin levels in predicting sustained virological response (SVR) in HCV genotype 1 patients undergoing antiviral treatment. (More)
We studied the effects of alkaline phosphatase (AP) on the secretory processes of the rat intrahepatic biliary epithelium as well as the role of the intrahepatic biliary epithelium in the uptake and biliary secretion of exogenous AP. The effects of acute and chronic administration of AP on bile secretory parameters were investigated in vivo in normal and(More)
In different cell types P-glycoproteins (P-gp) are involved in the transport of cyclosporin A (CyA). The aim of this study was to evaluate the effect of the pharmacological modulation of the hepatic P-gp on biliary secretion of CyA and on cholestasis induced by acute administration of CyA in the isolated perfused rat liver (IPRL). Verapamil was used as a(More)
Finding one major hepatotropic virus may not be enough to identify the aetiology of liver disease when risk factors are present, particularly in patients with past or present infection with other viral agents, or chronic liver disease. The pathogenic process in these cases is often complex. In the five cases we report, acute hepatitis (initiated by(More)
This controlled study in cirrhotic patients investigated whether two antialdosteronic steroids, spironolactone (100-200 mg/day; n = 12 patient pairs) and potassium canrenoate (50-100 mg/day, n = 32 patient pairs) which are reported to bind to intracellular membranes and modify cytochrome P-450, could also produce nuclear changes. The model used was the(More)