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2018 ; 15
(5
): 6931-6940
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English Wikipedia
Combined application of Embelin and tumor necrosis factor-related
apoptosis-inducing ligand inhibits proliferation and invasion in osteosarcoma
cells via caspase-induced apoptosis
#MMPMID29731867
Qian H
; Chen Y
; Huang T
; Liu T
; Li X
; Jiang G
; Zhang W
; Cheng S
; Li P
Oncol Lett
2018[May]; 15
(5
): 6931-6940
PMID29731867
show ga
Embelin, as an inhibitor of the X-linked inhibitor of apoptosis protein (XIAP),
may induce apoptosis in various types of cancer cells. The present study aimed to
determine the effect of Embelin on the tumor necrosis factor-related
apoptosis-inducing ligand (TRAIL)-induced apoptosis of osteosarcoma cells.
Embelin and TRAIL were applied to U2OS and MG63 cells, respectively or in
combination. MTT was initially used to detect the difference in survival rates
between the group receiving combined application of 100 ng/ml TRAIL and 20 µmol/l
Embelin and the individual application groups. Light microscopic quantification
was used to detect the morphology of the osteosarcoma cells in each group.
Determination of cell apoptosis was subsequently performed using flow cytometry.
The invasive ability of the cells was detected by a Transwell assay, prior to
relative protein expression being determined by western blot analysis. Based on
all the test data, it was revealed that the survival rates and the invasive
ability were significantly lower following the combined application of 100 ng/ml
TRAIL and 20 µmol/l Embelin than following the individual application of either
(P<0.01). Additionally, upregulating expression of caspases, as well as death
receptor 5, and downregulating expression of XIAP and matrix metalloproteinase 9
(MMP-9), had more significant effects in the combined group compared with the
individual group and the control group. All these results suggested that Embelin
may enhance TRAIL-induced apoptosis and inhibit the invasion of human
osteosarcoma cells.