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"Features of the tumor microenvironment and their utilisation for drug delivery"
Větvička, David ; Hovorka, Ondřej (advisor) ; Reiniš, Milan (referee) ; Drbal, Karel (referee)
- David Větvička, M.Sc . Many researchers have, in the past, focused on pathophysiological features of tumor tissue, various tumor-nonmalignant cell interactions, and secretion of active molecules within the tumor mass. All these aspects of tumor structure are known as tumor microenvironment. The composition of particular tumor ecosystem is highly variable, with differences between various tumor types, even between patients with the same diagnosis, and in separate areas of the same tumor. Moreover, further changes in tumor microenvironment often occur during the progression of the disease. Studies of tumor microenvironment have revealed both novel targets for therapy and new prognostic markers. New therapy modalities are being developed to target these discovered features, including drugs functioning to boost anti-malignancy immunity, to block pro-metastatic potential, or to utilize the unique features of this pathological environment established by the tumor. These are obviously of great interest and harbor high potential for better management of malignant diseases. The focus of this thesis is to study the interactions of polymeric drug delivery systems within the tumor microenvironment and to utilize various features of this specific niche for drug delivery research. We have followed three...
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Anti-cancer drugs with immunoprotective/immunomodulatory effect
Říhová, Blanka ; Etrych, Tomáš ; Kovář, Marek ; Chytil, Petr ; Hovorka, Ondřej ; Plocová, Daniela ; Mrkvan, Tomáš ; Strohalm, Jiří ; Šírová, Milada ; Šubr, Vladimír ; Kubáčková, K. ; Ulbrich, Karel
Cytotoxic drugs based on HPMA polymer show direct cytotoxic and cytostatic effect together with an ability to mobilize the immune system. Two types of linkage of the drug to the polymer are discussed, as well as linkage-related differences in tumour cell accumulation and fate of the cells
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