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V-ATPase expression in hypoxic conditions in neuroblastoma cells
Kittlerová, Kateřina ; Eckschlager, Tomáš (advisor) ; Moserová, Michaela (referee)
Tumor diseases belong to one of the most common death causes all around the world these days, therefore scientists still work on new therapeutic procedures. Tumor diseases are the second most common death causes among kids and juvenile. One of the freqeuently diagnosed tumor among kids and juvenile is neuroblastoma. Neuroblastoma is malignant embryonic tumor of the peripheral nervous system. Chemotherapy is used as tumor treatment by therapeutic procedures such as surgical removal and tumor irradiation. Cisplatin is one of the most applicated cytostatics, however it's efficiency it's lowered despite of creating resistance during the treatment. Vacuolar ATPase (V-ATPase) acidifies some of the cell organelles including lysosomes, which can lead to lysosomal sequestration of some of the substances including cytostatics and therefore the cure can't get to the therapeutic target. Key role in lysosomal activity regulation performes transcription factor EB (TFEB). This study deals with expression of d subunit of vacuolar ATPase (ATP6V0D1) and TFEB in neuroblastoma sensitive cell line UFK-NB-4 and resistant to cisplatin UKF-NB-4CDDP in normoxia and hypoxia. After exposure of neuroblastoma resistant cells to cisplatin the expression of ATP6V0D1 gene raised compared to normoxia. In case of TFEB the...

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2 Kittlerová, Klára
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