Změny genové exprese hepatobiliárních transportérů jako potenciální mechanismy vzniku polékové cholestázy navozené amoxicilinem a kyselinou klavulanovou

Řepová, Veronika

Charles University Faculty of Pharmacy in Hradec Králové Department of Pharmacology & Toxicology Student: Veronika Řepová Supervisor: Prof. PharmDr. Petr Pávek, Ph.D., Prof. Ramiro Jover Atienza, Ph.D. Title of diploma thesis: Alterations in gene expression of hepatobiliary transporters as potential mechanisms for drug-induced cholestasis by amoxicillin and clavulanic acid The combination of amoxicillin and clavulanic acid (AMO/CLA) represents one of the most frequent causes of the idiosyncratic type of drug-induced liver injury (DILI) nowadays. Despite difficulties in diagnosis and causality assessment, the clinical features have already been reported and in most of the cases categorized as cholestatic damages. Number of descriptions of the molecular mechanisms of drug-induced cholestasis has been rising recently and the role of hepatobiliary transporters has turned out to be crucial in the pathogenesis. However, the mechanisms of AMO/CLA-induced DILI at the molecular level still remain indistinct. In order to investigate the hepatotoxic effects of AMO/CLA and AMO alone in vitro, HepG2 and human Upcyte hepatocytes were used as hepatocellular models. The mRNA levels of key bile acid (BA) transporters, enzymes and nuclear receptors (NRs) were measured by quantitative real-time polymerase chain...

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