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Anthelmintics in the environment: circulation, metabolism and effects
Navrátilová, Martina ; Matoušková, Petra (advisor) ; Pohanka, Miroslav (referee) ; Česlová, Lenka (referee)
Charles University, Faculty of Pharmacy in Hradec Králové Training Workplace Department of Biochemical Sciences Doctoral Degree Program Xenobiochemistry and Pathobiochemistry Candidate Mgr. Martina Navrátilová Supervisor Assoc. Prof. Ing. Petra Matoušková, Ph.D. Advisor PharmDr. Ivan Vokřál, Ph.D. Title of Doctoral Thesis Anthelmintics in the environment: circulation, metabolism and effects This dissertation investigates the environmental impact of anthelmintics, specifically focusing on their circulation, metabolism, and effects in the environment. The primary objective was to explore the extent to which anthelmintics, particularly albendazole, affect plants under laboratory and field conditions and the potential for these effects to contribute to drug resistance in parasites. The study used an analytical technique, UHPLC-MS/MS, to monitor the uptake and biotransformation of albendazole and biochemical assays to asses phytotoxicity in plants like alfalfa and clover. Field experiments demonstrated the circulation of albendazole and its metabolites from sheep dung to plants and back to the sheep, indicating continuous environmental exposure. Furthermore, the investigation into the parasitic nematode Haemonchus contortus revealed changes in the expression of drug-metabolizing enzymes and the...
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