National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
New molecular biomarkers and therapeuticak targets in solid tumors
Voleská, Iveta ; Václavíková, Radka (advisor) ; Moulisová, Vladimíra (referee)
Breast and ovarian cancers are the most serious cancers among women. Relatively high mortality at advanced stages of the disease is often associated with the development of resistance to the cytotoxic agents. Chemoresistance usually develops on the base of different adaptive mechanisms that significantly decrease therapy efficiency. Currently TRIP6, ABCC3 and CPS1 enzyme has been identified based on high-capacity expression profile monitoring in tumor cell and tissue profiles as one such candidate playing a role in taxane resistance. The main goal of this thesis was to clarify the role or possible association of the ABCC3, CPS1 and TRIP6 genes with the development of tumor cell resistance to taxanes in models of sensitive and paclitaxel-resistant ovarian cancer cells and in the cohorts of patients with ovarian and breast cancer. The in vitro part compares the efficacy of paclitaxel and taxane derivatives in the sensitive and resistant ovarian cancer cell lines and clarifies the association between the different structure of taxane derivatives and the change in CPS1 expression after their application. The study in patient's cohorts with ovarian cancer reveals a relationship between higher levels of the CPS1 gene and shorter progression-free survival. The achieved results may serve as a base for data...

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