In vitro hodnocení nových ligandů Toll-like receptorů II.

Machalová, Vanda

Charles University Faculty of Pharmacy in Hradec Králové Department of Pharmacology & Toxicology Student: Vanda Machalová Supervisor: doc. PharmDr. František Trejtnar, CSc. Title of diploma thesis: In vitro evaluation of novel Toll-like receptor ligands II. The aim of this diploma thesis was to test the new substances at Toll-like receptors (TLR), namely TLR4 and TLR8 subtypes, as potential vaccine adjuvants. Adjuvants are required for new subunit vaccines to promote stimulation of a sufficient immune response. Stimulation of TLR receptors is safe and leads to the activation of both innate and adaptive immunity and to subsequent specific immune response. Testing was carried out on cell lines stable co-expressing the respective receptors, with colorimetric activity detection. In this work, both agonist and antagonist activity at TLR4 and TLR8 receptors was investigated and a half maximal effective concentration (EC50) of resiquimod was determined. Based on the results, the respective substances cannot be considered as potential adjuvants to the TLR8 receptor and DM014 exhibits the potential for agonist activity on the TLR4 receptor, whereas the substance DM015 can be used on further investigation of immunosuppression in autoimmune diseases and diseases associated with excessive activation of the...

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