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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Study of tyrosin kinase inhibitor vandetanibe bound in apoferritin and liposomes
 Jáklová, Kateřina ; Indra, Radek (advisor) ; Hýsková, Veronika (referee)
5 Abstract In this thesis the anticancer drug vandetanib was studied. Vandetanib is a tyrosine kinase inhibitor affecting signalling of vascular endothelial growth factor receptor (VEGFR), epidermal growth factor receptor (EGFR) or RET protooncogene (REarranged during Transfection). It is primarily used for the treatment of advanced tumors of the thyroid gland. Unfortunately, the usage of vandetanib in the cancer treatment is significantly limited by its toxicity and cardiotoxicity (one of the adverse effects is connected with long QT interval). One way, how to minimize these side effects, is binding a drug into a suitable transporter. Apoferritin and liposomes were used as a transport nanoparticles in this study. The aim of this thesis was to study the stability of the complex of nanoparticle apoferritin with vandetanib molecules (ApoVan) and to study the effect of pH on the release of inhibitor from the ApoVan form. Experiments have shown that ApoVan complex is relatively stable after its storage at 4 řC and - 20 řC for up to 8 weeks. Unfortunately after monitoring the effect of pH on the release of vandetanib from ApoVan, it was found that vandetanib is gradually released from its ApoVan form into the neutral environment at pH 7,4 as well as into the acidic environment at pH 6,5 and the way ApoVan is...
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