Page 49 - 南京医科大学自然版
P. 49
第44卷第10期 王薇雅,陶长锐,晁红颖,等. 三氧化二砷联合普纳替尼对白血病细胞KG⁃1的抑制效应[J].
2024年10月 南京医科大学学报(自然科学版),2024,44(10):1362-1368 ·1365 ·
A 100 B C ***
(%) 80 (%) 60 (%) 30 ** ** *** **
Inhibition ratio 60 Inhibition ratio 40 20
40
20
20
0 Inhibition ratio 10
0 5 10 20 40 60 80 100 0 0
ATO(μg/mL) 0 2.5 5.0 10.0 15.0 20.0 25.0 50.0 ATO
ATO+Ponatinib
Ponatinib(nmol/L) DMSO Ponatinib
D DMSO ATO E F
*** ***
150
* *** *** (%) 40 *** *** *** ***
Number of cloning 100 30
**
20
Ponatinib ATO+Ponatinib 50 Apoptosis ratio 10
0 0
DMSO ATO Ponatinib DMSO ATO Ponatinib
ATO+Ponatinib
ATO+Ponatinib
A,B:ATO(A)or ponatinib(B)effectively inhibited cell proliferation in a dose dependent manner. C-F:ATO combined with ponatinib synergistically
*
inhibited the viability of KG⁃1 cells(C),reduced the colony formation(D,E),and induced apoptosis(F)compared to the single drug treatment. P <
**
***
0.05,P < 0.01, P < 0.001(n=3).
图1 ATO及普纳替尼对KG⁃1细胞增殖、集落形成及凋亡的影响
Figure 1 Effects of ATO and ponatinib on the proliferation,colony formation and apoptosis of KG⁃1 cells
A B *** C ***
***
** *** *** 6 ** * *** ***
Relative mRNA expression of Bcl⁃2 1.0 Relative mRNA expression of Bax 6 4 2 Relative mRNA expression of Caspase⁃3 4 2 ** *
***
1.5
8
**
***
0.5
0
DMSO ATO Ponatinib 0 DMSO ATO Ponatinib 0 DMSO ATO Ponatinib
ATO+Ponatinib
ATO+Ponatinib
ATO+Ponatinib
D ATO+Ponatinib
DMSO ATO Ponatinib Control
***
Protein expression level (Targets/GAPDH) 丈丈丈丈丈丈丈丈 * * 丈丈丈丈丈丈丈丈
***
Bax 21 kDa 1.5 *** *** ** *** ATO
Ponatinib
丈丈丈丈丈丈丈丈
Bcl⁃2 26 kDa 1.0 ** ** * ** *** 丈丈丈丈丈丈丈丈 丈丈丈丈丈丈丈丈 ATO+Ponatinib
丈丈丈丈丈丈丈丈
Caspase⁃3 35 kDa 0.5 丈丈丈丈丈丈丈丈 丈丈丈丈丈丈丈丈
丈丈丈丈丈丈丈丈
丈丈丈丈丈丈丈丈
Cleaved Caspase⁃3 17 kDa 丈丈丈丈丈丈丈丈 丈丈丈丈丈丈丈丈 丈丈丈丈丈丈丈丈
丈丈丈丈丈丈丈丈
丈丈丈丈丈丈丈丈
丈丈丈丈丈丈丈丈
丈丈丈丈丈丈丈丈
丈丈丈丈丈丈丈丈
GAPDH 36 kDa 0 丈丈丈丈丈丈丈丈 丈丈丈丈丈丈丈丈 丈丈丈丈丈丈丈丈
丈丈丈丈丈丈丈丈
丈丈丈丈丈丈丈丈
Bax Bcl⁃2 Cleaved Caspase⁃3
A-C:ATO and ponatinib significantly inhibited Bcl⁃2(A)gene expression and promoted Bax(B)and Caspase⁃3(C)gene expression in KG⁃1
***
**
*
cells. D:WesternblotanalysisofapoptoticproteinexpressionlevelinKG⁃1cellsafterATOandponatinibtreatment. P < 0.05,P < 0.01, P < 0.001(n=3).
图2 ATO及普纳替尼对KG⁃1细胞凋亡基因、凋亡蛋白表达的影响
Figure 2 Effects of ATO and ponatinib on the expression of apoptosis⁃related genes and proteins in KG⁃1 cells