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2017 ; 37
(4
): ä Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Atorvastatin enhances radiosensitivity in hypoxia-induced prostate cancer cells
related with HIF-1? inhibition
#MMPMID28760843
Chen B
; Zhang M
; Xing D
; Feng Y
Biosci Rep
2017[Aug]; 37
(4
): ä PMID28760843
show ga
Hypoxia could enhance radioresistance in prostate cancer cells through
up-regulating HIF-1?, which could be inhibited by statins in several cancer
cells. However, this effect of statins in prostate cancer remains unclear. In the
present study, we aim to investigate the effect of atorvastatin on HIF-1?
expression and radiosensitivity in prostate cancer cells. The hypoxia-induced
human prostate cancer PC3 cells were generated by incubating with 5% O(2) for 24
h. The cell viability and apoptosis were respectively analyzed by cell counting
kit-8 (CCK-8) assay and flow cytometry. The HIF-1? protein expression was
assessed by Western blotting. HIF-1? expression in PC3 cells was significantly
increased after incubating with 5% O(2) for 24 h. The viability of
hypoxia-induced PC3 cells was inhibited by a higher dose of irradiation than
control cells. The viability of hypoxia-induced PC3 cells were inhibited by
astorvastatin with a higher concentration than control cells. Astorvastatin
reduced the HIF-1? protein expression in hypoxia-induced PC3 cells, and induced
apoptosis of both control and hypoxia-induced cells with and without irradiation.
Atorvastatin could enhance radiosensitivity in hypoxia-induced prostate cancer
cells, which may be related with inhibition of HIF-1? protein.