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A A 0 μg/mL
62.5 μg/mL
150 MC38 125 μg/mL
250 μg/mL
( % ) 100 500 μg/mL
1 000 μg/mL
viability **
Cell
B 50 *
0
24 48 72
Time(h)
B
0 μg/mL
200 Caco2 62.5 μg/mL
Cartoon(A)and surface(B)of STAT3 with licochalcone A. The red 125 μg/mL
( % ) 150 250 μg/mL
box indicates the interaction region of STAT3 and licochalcone A. * 500 μg/mL
图4 STAT3与licochalcone A的对接位置 viability 1 000 μg/mL
Figure 4 Docking position of STAT3 with licochalcone 100 * ** *** *
Cell 50 *
STAT2、STAT3、STAT4、STAT5a、STAT5b 和 STAT6, 0
24 48 72
它们介导多种细胞内信号通路。其中,STAT3 参与 Time(h)
了细胞的增殖、存活、分化和血管生成等多种生物 A:The impact of different doses of CCPS on MC38 cell viability. B:
The impact of different doses of CCPS on Caco2 cell viability. Compared
学过程 [18] ,与本研究细胞表型实验结果相符合。在
*
***
**
with CCPS 0 μg/mL group,P < 0.05,P < 0.01, P < 0.001.
正常细胞中,STAT3 的瞬时激活主要是通过磷酸化 图5 臭椿皮散抑制结直肠癌细胞增殖
将质膜上的细胞因子和生长因子受体的转录信号 Figure 5 Effect of CCPS on CRC cell proliferation
A CCPS(μg/mL) B ( % )
0 125 250 500 20
10 7 Q1 Q2 10 7 Q1 Q2 10 7 Q1 Q2 10 7 Q1 Q2 apoptosis ***
6 1.80 5.08 6 0.67 5.18 6 0.65 4.46 6 0.59 3.21 15
10 10 10 10
10 5 10 5 10 5 10 5 early 10 *
PI 10 4 10 4 10 4 10 4 MC38
10 3 10 3 10 3 10 3 of 5
2
2
2
2
10 Q3 Q4 10 Q3 Q4 10 Q3 Q4 10 Q3 Q4
1 89.1 4.06 1 87.0 7.19 1 86.3 8.55 1 83.8 12.4 Petcentage 0
10 10 10 10 0 125 250 500
5
3
4
1
4
2
3
6
2
1
6
2
4
3
2
3
1
5
4
5
5
1
6
6
10 10 10 10 10 10 10 7 10 10 10 10 10 10 10 7 10 10 10 10 10 10 10 7 10 10 10 10 10 10 10 7 CCPS(μg/mL)
Annexin V⁃FITC
A:The impact of CCPS on MC38 cell apoptosis. B:Statistics of cell apoptosis after the cells treated with CCPS. Compared with CCPS 0 μg/mL
***
*
group,P < 0.05, P < 0.001.
图6 臭椿皮散促进结直肠癌细胞凋亡
Figure 6 CCPS increased apoptosis in CRC cell
A CCPS(μg/mL) B
( % ) 50
0 125 250 500
migration 40
h
0 30 *
cell
of 20 ***
10
h Percentage 0
24 0 CCPS(μg/mL)
125 250 500
A:Wound⁃healing assays to determine the impact of CCPS on MC38 cell migration under 10× optical microscope. B:Statistical analysis of the im⁃
*
***
pact of CCPS on MC38 cell migration. Compared with CCPS 0 μg/mL group,P < 0.05, P < 0.001.
图7 臭椿皮散抑制结直肠癌细胞迁移
Figure 7 CCPS inhibited CRC cell migration