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	Molecular mechanisms of tumor pathogenesis of Hedgehog signaling pathway in selected tumor types Kreisingerová, Kateřina ; Vachtenheim, Jiří (advisor) ; Macůrek, Libor (referee) ; Uldrijan, Stjepan (referee) The presented doctoral thesis is focused on the role of the Hedgehog (HH) signaling pathway in cancer pathogenesis. HH signaling pathway is an evolutionarily conserved signaling pathway that plays an essential role in embryonic development. Its activity is strictly limited to stem and progenitor cells for example in brain, lung, skin or prostate. HH pathway also plays a key role in tissue homeostasis and regeneration. Aberrantly activated HH pathway is essential in cancer progression. The aim of the presented thesis was to elucidate new details about the HH signaling pathway. We identified a new target gene of the HH pathway - the anti-apoptotic protein survivin. Survivin is considered to be an important tumor marker associated with a poor prognosis of patients. We showed that the inhibitor of HH pathway effectors GLI1 and GLI2 GANT61 reduced the survivin level in cancer cells. Subsequently, we used GANT61 and the inhibitor of the anti-apoptotic BCL2 protein family obatoclax to inhibit melanoma cells growth. We showed that the combination of these inhibitors was very effective in the eradication of melanoma cells in vitro. We also proved that GANT61 triggers the process of apoptosis in melanoma cells. We found out that the HH signaling pathway is canonically activated in many cell lines of various... Detailed record
	Terapeutický potenciál inhibice vybraných signálních drah v buňkách maligního melanomu Uldrijan, Stjepan ; Masarykova univerzita Detailed record
	Aktivace proteinu p53 poškozením DNA a návazné mechanismy v nádorových buňkách Vojtěšek, Bořivoj ; Uldrijan, Stjepan ; Masarykův onkologický ústav (Brno, Česko) Detailed record

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