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Potential toxicity of terpenes and their effects in liver cells
Zárybnický, Tomáš ; Boušová, Iva (advisor) ; Anzenbacherová, Eva (referee) ; Trejtnar, František (referee)
Charles University Faculty of Pharmacy in Hradec Králové Department of Biochemical Sciences Candidate: Mgr. Tomáš Zárybnický Supervisor: assoc. prof. PharmDr. Iva Boušová, Ph.D. Consultant: assoc. prof. Ing. Petra Matoušková, Ph.D. Title of Doctoral Thesis: Potential toxicity of terpenes and their effects in liver cells The public interest in herbal products, supplements, extracts or isolated active compounds has been increasing during last decades. The aim of this doctoral thesis was to study selected compounds from the group of monoterpenes and sesquiterpenes and their interactions with liver cells: interactions with drug metabolising enzymes, their potential liver toxicity and looking for novel mechanisms of action. The literature about hepatotoxic properties of several monoterpenes and sesquiterpenes, that showed liver toxicity, was summarized first. Then, the study was aimed toward a known hepatotoxicant (R)-pulegone and its presumed metabolite (R)- menthofuran. The toxicity results in precision-cut human liver slices have shown that (R)- menthofuran was less toxic to human liver and that the reason may be inter-species differences between human and mice. Several sesquiterpenes (farnesol, cis-nerolidol, trans-nerolidol, α-humulene, β-caryophyllene, and caryophyllene oxide) have previously...
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