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- W1985943118 abstract "Fludarabine is the major drug against chronic lymphoblastic leukemia. However, the effects of fludarabine on solid tumors remain unclear. We reported previously that fludarabine inhibited expression of hypoxia-inducible factor 1α (HIF-1α) and vascular endothelial growth factor (VEGF) in human ovarian cancer cells. The present study aims to investigate, (1) the mechanisms that fludarabine inhibits expression of HIF-1α and (2) the effects of fludarabine on tumor cells survival under hypoxia. Human hepatoma HepG2 cells were tested. We found that fludarabine reduced HIF-1α stability through prolyl hydroxylation. Fludarabine suppressed hypoxia-induced expression of VEGF and its receptor KDR. It inhibited VEGF-induced activation of AKT and ERK signaling and reduced hypoxia-enhanced HepG2 cell survivability. HepG2 cells were much more sensitive to fludarabine treatment under hypoxia than under nomoxia. These results suggest that fludarabine reduces survivability of HepG2 cells via VEGF signaling under hypoxia." @default.
- W1985943118 created "2016-06-24" @default.
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- W1985943118 date "2007-12-01" @default.
- W1985943118 modified "2023-10-14" @default.
- W1985943118 title "Fludarabine reduces survivability of HepG2 cells through VEGF under hypoxia" @default.
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- W1985943118 doi "https://doi.org/10.1016/j.abb.2007.09.013" @default.
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