Abstract:Brequinar sodium (BQR) is a well-studied inhibitor of the dihydroorotate dehydrogenase (DHODH) enzyme. Both the DHODH and uridine-cytidine kinase 2 (UCK2) enzymes have been reported to be over-expressed in cancer cells to maintain the cells high demand for DNA and RNA for their proliferation. In this study, we aim to further sensitize cells to the effects of BQR by knocking down the UCK2 activity. In DLD-1 UCK2 knockdown cells, no change in the sensitivity of cells to BQR was observed. Uridine is known to reve… Show more
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