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Identification of new regulators of proinflammatory signaling pathways
Dráberová, Helena ; Štěpánek, Ondřej (advisor) ; Krulová, Magdaléna (referee) ; Funda, David (referee)
Identification of new regulators of proinflammatory signaling pathways Helena Dráberová Protein 4.1R has been described in immune system as regulator of migration and cell adhesion, but was also shown to play a role in activation of T lymphocytes. Polymorphism in gene ORMDL-3 is associated with asthma risk in children and correlates with increased ORMDL-3 expression. This disertation thesis describes the function of proteins 4.1R and ORMDL-3 in activation of mast cells after stimulation of FcεRI receptor. IL-17 is a proinflammatory cytokine that plays a role in immune response against fungal and yeast infections. IL-17 however also plays a role in the pathology of autoimmune diseases such as reumatoid arthritis, psoriasis and multiple sclerosis. IL-17 signaling is tightly regulated, however the exact mechanism has not been described. This disertation thesis describes the IL-17R complex by mass spectrometry and analyze the function of its known and newly discovered components in cells deficient in individual proteins by method CRISPR-Cas9. Last part focuses on the discovery of new subunit of IL-17RC protein CMTM4, which role in IL-17 signaling has not been described so far. CMTM4 stabilizes IL-17RC and is required for its surface expression. In vitro data are supported by data from autoimmune model of...

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2 Draberová, Hana
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