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Mitochondria as a target for anti-cancer therapy
Monschizadeh Tehrany, Shahin ; Truksa, Jaroslav (advisor) ; Kalous, Martin (referee)
Cancer is a complex disease that is characteristic by its heterogeneity in forms and symptoms. This diversity is caused by various mutations in oncogenes and tumor suppressor genes, which then makes cancer a very unclear and indistinct target. However numerous neoplastic characteristics are linked to the functions of mitochondria. This then makes mitochondria a center of interest of cancer research. Many cancer cells show the switch to the metabolism of aerobic glycolysis witch is characteristic by the increased glucose uptake, increased activity of biosynthetic pathways and lower oxidative capacity of mitochondria. Another mitochondria-linked modification is the increased production of reactive oxygen species in cancer cells, which are a source of new mutations and enhance cell proliferation. An increased transmembrane potential on the inner mitochondrial membrane is another very common feature that also promotes cell division and directly correlates with cancer malignancy. In this context a group of antitumor drugs called mitocans was discovered, that acts on the altered mitochondria of tumor cells. The activity of mitocans is ranging from the restoration of the function of pro-apoptotic molecules to the enforced cell death caused by oxidative damage done to the mitochondria of cancer cells....

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