JIANG Dong,CHENG Haibo,SHEN Weixing,et al.Efficacy and Mechanism of Shenbai Jiedu Prescription Against Proliferation of HCT116 Cells[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(13):34-41.
JIANG Dong,CHENG Haibo,SHEN Weixing,et al.Efficacy and Mechanism of Shenbai Jiedu Prescription Against Proliferation of HCT116 Cells[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(13):34-41. DOI: 10.13422/j.cnki.syfjx.20220423.
Efficacy and Mechanism of Shenbai Jiedu Prescription Against Proliferation of HCT116 Cells
To investigate the mechanism by which Shenbai Jiedu prescription (SBJDF) inhibits the proliferation of colorectal cancer (CRC) HCT116 cells.
Method
2
After 48 h treatment of HCT116 cells with SBJDF (0, 0.25, 0.5, 1, 2, 4 g·L
-1
), the viability of HCT116 cells were determined by methyl thiazolyl tetrazolium (MTT) colorimetry. Following the classification of cells into blank control group and SBJDF (1, 2, 4 g·L
-1
) groups, the effect of SBJDF on HCT116 cell morphology was observed under an inverted microscope. The effects of SBJDF on the proliferation of HCT116 cells and mitochondrial membrane potential (Δ
ψ
m) were detected by colony formation assay and JC-1 probe, respectively. The flow cytometry was then performed for determining cell cycle distribution and apoptosis. The effects of SBJDF on cell cycle-, apoptosis-, and nuclear factor kappa-B (NF-
κ
B) signaling pathway-related proteins were determined by Western blot.
Result
2
SBJDF effectively inhibited the vitality of HCT116 cells and changed their morphology in a concentration-dependent manner. Compared with the blank control group, SBJDF at 1, 2, 4 g·L
-1
significantly reduced cell colony formation (
P
<
0.05,
P
<
0.01),and SBJDF at 2 and 4 g·L
-1
arrested the HCT116 cell cycle at G
0
/G
1
phase (
P
<
0.05,
P
<
0.01). Compared with the blank control group, SBJDF at 1, 2, 4 g·L
-1
remarkably down-regulated the protein expression of CyclinD
1
(
P
<
0.05,
P
<
0.01). SBJDF at 2 and 4 g·L
-1
lowered the CyclinA
2
and cyclin-dependent kinase 4 (CDK4) (
P
<
0.05,
P
<
0.01). SBJDF at 4 g·L
-1
reduced the cyclin-dependent kinase 1 (CDK1) (
P
<
0.01). Compared with the blank control group, SBJDF at 2 and 4 g·L
-1
induced HCT116 cell apoptosis, down-regulated the protein expression of anti-apoptosis-related proteins Bcl-2 and Bcl-xl as well as the NF-
κ
B signaling pathway-related proteins I
κ
B kinase
α
(IKK
α
),inhibitor
α
of NF-
κ
B (I
κ
B
α
),and phospho-NF-
κ
B p65 (p-p65) (
P
<
0.05,
P
<
0.01), and diminished the mitochondrial membrane potential of HCT116 cells.
Conclusion
2
SBJDF inhibits the proliferation of HCT116 cells, which may be related to its inhibition of the activation of NF-
κ
B signaling pathway and the induction of cell cycle arrest and apoptosis.
关键词
Keywords
references
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