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The effect of olaparib on tumor cell resistance to daunorubicin due to carbonyl reducing enzymes.
Lekešová, Alžběta ; Wsól, Vladimír (advisor) ; Macháček, Miloslav (referee)
Charles University Faculty of Pharmacy in Hradec Králové Department of Biochemical Sciences Candidate: Alžběta Lekešová Supervisor: prof. Ing. Vladimír Wsól, Ph.D. Title of diploma thesis: The effect of olaparib on tumor cell resistance to daunorubicin due to carbonyl reducing enzymes Daunorubicin (DAUN) belongs to the group of anthracycline antibiotics, belonging to the group of cytostatics used in a wide range of different carcinomas. However, even with this group of drugs, the resistance to chemotherapy, followed by treatment failure is becoming more and more common. This problem of resistance is often dealt with by combination therapy, which uses the addition of drugs that affect the cytostatic by different mechanisms. One possibility is to keep the cytostatic in tumor cells in their active form for as long as possible. This may be affected by the blockade of efflux transporters or inhibition of enzymes responsible for the inactivation of cytostatics. The possible inhibition of enzymes by the low molecular weight drug olaparib (OLA) was studied in this diploma thesis. OLA is a drug with a cytostatic effect on its own and has been used in certain cancer therapies for several years. We tested its inhibitory potential to selected carbonyl reducing enzymes, which are involved in the metabolism of...

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