Modulace interakcí cytokinů a jejich receptorů

Kolářová, Lucie

Protein-protein interactions and interactions with other molecules including DNA and RNA, play an important role in a range of biological activities and processes in all living cells. Understanding of protein-protein interactions, new approaches, and tools for their modulations are valuable for medicine, biotechnology, and drug development. We used the interleukin-10 family of cytokines as a model system for our research of biological interactions and modulation of their functions. A key prerequisite to study biological processes and a detailed understanding of biomolecular interactions is a recombinant protein that is stable under a broad range of conditions. Recombinant protein expression in sufficient yield and quality is often a challenging task. Therefore, we aimed at developing new approaches in protein design and production. In the first part of our study, we modified IL-24, a member of the IL-10 family to increase its expression and stability. We demonstrated that protein engineering is a powerful tool in research of difficult protein targets. In the second part of our study, we adopted new approaches in designing new protein scaffolds suitable for use in the ribosome and yeast display techniques. Protein scaffolds have become promising alternatives to antibodies in protein drug...

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