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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Structure and interactions of selected forkhead transcription factors
 Kohoutová, Klára ; Obšil, Tomáš (advisor) ; Hrabal, Richard (referee)
This diploma thesis is a part of a project aiming to develop and study specific inhibitors of FOXO3 transcriptional activity. FOXO3 belongs together with FOXO1, FOXO4 and FOXO6 to FOXO subfamily of forkhead family transcription factors. FOXO transcription factors are evolutionary conserved proteins playing important roles in numerous cellular processes, such as apoptosis, cell cycle regulation and metabolism. Due to their ability to induce apoptosis and to block the cell cycle they are considered tumor suppresors. However, it has been shown that increased activity of FOXO proteins is connected with many kinds of cancer. In such cases FOXO proteins function to maintain cell homeostasis. They promote tumor resistance against chemotherapy as well as they speed up its growth. The aim of this project is to develop specific inhibitors able to bind to FOXO3 DNA-binding domain (DBD, residues 156-269) and to block its interaction with target DNA. Development of specific inhibitors of FOXO3 transcriptional programme requires knowledge of solution structure of all FOXO DBDs and detailed insight into their interaction with target DNA. So far crystal structures of complexes of FOXO1, FOXO3 and FOXO4 with target DNA and solution NMR structures of apo DBDs of FOXO3 and FOXO4 have been solved. One of the goals of...
Detailed record
Structure and interactions of selected forkhead transcription factors
 Kohoutová, Klára ; Obšil, Tomáš (advisor) ; Hrabal, Richard (referee)
This diploma thesis is a part of a project aiming to develop and study specific inhibitors of FOXO3 transcriptional activity. FOXO3 belongs together with FOXO1, FOXO4 and FOXO6 to FOXO subfamily of forkhead family transcription factors. FOXO transcription factors are evolutionary conserved proteins playing important roles in numerous cellular processes, such as apoptosis, cell cycle regulation and metabolism. Due to their ability to induce apoptosis and to block the cell cycle they are considered tumor suppresors. However, it has been shown that increased activity of FOXO proteins is connected with many kinds of cancer. In such cases FOXO proteins function to maintain cell homeostasis. They promote tumor resistance against chemotherapy as well as they speed up its growth. The aim of this project is to develop specific inhibitors able to bind to FOXO3 DNA-binding domain (DBD, residues 156-269) and to block its interaction with target DNA. Development of specific inhibitors of FOXO3 transcriptional programme requires knowledge of solution structure of all FOXO DBDs and detailed insight into their interaction with target DNA. So far crystal structures of complexes of FOXO1, FOXO3 and FOXO4 with target DNA and solution NMR structures of apo DBDs of FOXO3 and FOXO4 have been solved. One of the goals of...
Detailed record

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