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石家庄市第三医院小儿骨科,河北 石家庄 050000
纸质出版日期:2024-09-25,
收稿日期:2023-06-01,
移动端阅览
李浩,戎帅,刘连涛.扁蒴藤素调节Hippo/YAP信号通路对骨肉瘤细胞阿霉素耐药性的影响[J].局解手术学杂志,2024,33(09):796-799.
LI Hao,RONG Shuai,LIU Lian-tao.Effect of pristimerin on adriamycin resistance of osteosarcoma cells by regulating Hippo/YAP signal pathway[J].JOURNAL OF REGIONAL ANATOMY AND OPERATIVE SURGERY,2024,33(09):796-799.
李浩,戎帅,刘连涛.扁蒴藤素调节Hippo/YAP信号通路对骨肉瘤细胞阿霉素耐药性的影响[J].局解手术学杂志,2024,33(09):796-799. DOI: 10.11659/jjssx.06E023007.
LI Hao,RONG Shuai,LIU Lian-tao.Effect of pristimerin on adriamycin resistance of osteosarcoma cells by regulating Hippo/YAP signal pathway[J].JOURNAL OF REGIONAL ANATOMY AND OPERATIVE SURGERY,2024,33(09):796-799. DOI: 10.11659/jjssx.06E023007.
目的
2
探讨扁蒴藤素(PM)对骨肉瘤细胞阿霉素(ADM)耐药性的影响及其作用机制。
方法
2
采用ADM浓度梯度递增长期培养法在体外建立ADM耐药细胞MG-63/ADR,CCK-8检测不同浓度ADM对骨肉瘤细胞MG-63和MG-63/ADR细胞活力的影响,验证ADM耐药性;随后将MG-63/ADR细胞随机分为MG-63/ADR组(正常培养)、PM低剂量组(加入0.5 μmol/L PM)、PM中剂量组(加入1.0 μmol/L PM)、PM高剂量组(加入2.0 μmol/L PM),CCK-8检测不同浓度ADM处理下各组细胞活力;平板克隆形成实验检测各组细胞对ADM的敏感性;显微镜下观察细胞形态;流式细胞术检测细胞凋亡水平;Western blot检测磷酸化哺乳动物STE20样蛋白激酶1(p-MST1)、MST1、磷酸化大肿瘤抑制因子1(p-LATS1)、LATS1、磷酸化Yes相关蛋白(p-YAP)、YAP蛋白表达。
结果
2
25、125、625、3 125、15 625 ng/mL ADM干预下,MG-63/ADR细胞活力较MG-63细胞显著升高(
P
<
0.05),说明ADM耐药细胞模型建立成功。与MG-63/ADR组相比,PM低、中、高剂量组细胞数量减少且细胞逐渐皱缩、间距变大,细胞活力、细胞克隆形成率以及p-YAP/YAP水平下降(
P
<
0.05),细胞凋亡率和p-MST1/MST1、p-LATS1/LATS1水平显著提高(
P
<
0.05)。
结论
2
PM对骨肉瘤细胞ADM耐药性具有抑制作用,其可能与激活Hippo通路、下调YAP信号有关。
Objective
2
To investigate the effect of pristimerin (PM) on adriamycin (ADM) resistance in osteosarcoma cells and its mechanism.
Methods
2
The ADM resistant cells MG-63/ADR was established in vitro by using the ADM increasing concentration gradient long-term culture method, CCK-8 was used to detect the effects of different concentrations of ADM on the viability of osteosarcoma cells MG-63 and MG-63/ADR cells to verify the drug resistance of ADM; subsequently, MG-63/ADR cells were randomly divided into the MG-63/ADR group (normal culture), low-dose PM group (adding 0.5 μmol/L PM), middle-dose PM group (adding 1.0 μmol/L PM) and high-dose PM group (adding 2.0 μmol/L PM). The cell viability of each group under different concentrations of ADM treatment was detected by CCK-8; the sensitivity of cells to ADM in each group was detected by plate clone formation assay; the cell morphology of each group was observed under microscope; the cell apoptosis level was detected by flow cytometry; Western blot was used to detect the expression of phosphorylated mammalian STE20-like protein kinase 1 (p-MST1), MST1, phosphorylated large tumor suppressor 1 (p-LATS1), LATS1, phosphorylated Yes associated protein (p-YAP) and YAP proteins.
Results
2
With the intervention of 25, 125, 625, 3 125 and 15 625 ng/mL ADM, the activity of MG-63/ADR cells was significantly higher than that of MG-63 cells (
P
<
0.05), which indicated that the ADM resistant cell model was successfully established. Compared with the MG-63/ADR group, the number of cells in the low, middle and high-dose PM groups decreased, and the cells gradually shrank, the spacing between cells became larger, and the cell viability, cell clonal formation rate and p-YAP/YAP level decreased (
P
<
0.05), the apoptosis rate and the levels of p-MST1/MST1 and p-LATS1/LATS1 significantly increased (
P
<
0.05).
Conclusion
2
The inhibitory effect of PM on ADM resistance in osteosarcoma cells may be related to the activation of Hippo pathway and the downregulation of YAP signal.
扁蒴藤素骨肉瘤Hippo/Yes相关蛋白阿霉素耐药性
pristimerinosteosarcomaHippo/Yes associated proteinadriamycin resistance
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