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Study of cytotoxicity of newly prepared bronchodilators in vitro
Havelková, Michaela ; Smutná, Lucie (advisor) ; Bárta, Pavel (referee)
Charles University Faculty of Pharmacy in Hradec Králové Department of Pharmacology and Toxicology Student: Michaela Havelková Supervisor: PharmDr. Lucie Hyršová, PhD. Title of diploma thesis: Study of cytotoxicity of newly prepared bronchodilators in vitro This diploma thesis is focused on the determination the influence of developmental bronchodilatory active substances on viability of model tumor cell lines of human liver cells HepG2 and human lung cells HCC827. These potential drugs are theoretically suitable for the treatment of asthma bronchiale and COPD. The tested compounds (VN014a, VN015a, VN045b, VN122c) were derived from structure of the quinazoline alkaloids vasicine and vasicinone, which are substances contained in the Justicia adhatoda plant. The plant originated in India is widely used in traditional Ayurvedic medicine besides others to treat respiratory problems. The combination of both alkaloids showed significant bronchodilation activity. Cytotoxic activity of compounds was tested using colorimetric method by measuring cell metabolic activity based on reduction of tetrazolium compound. The IC50 value was determined for each studied compound on both used cell lines to assess the influence on cell viability. Overall, the tested developmental bronchodilators proved cytotoxic effect...

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