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川北医学院附属医院药剂科,四川 南充 637000
罗飞,E-mail:d88qfc@163.com
纸质出版日期:2025-01-25,
收稿日期:2024-01-08,
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杨柳, 冯丹, 杨莉, 等. 高良姜素调节FOXO3-FOXM1轴对结直肠癌细胞增殖、凋亡和5-FU耐药性的影响[J]. 局解手术学杂志, 2025,34(1):5-10.
YANG LIU, FENG DAN, YANG LI, et al. Effects of galangin on proliferation,apoptosis and 5-FU resistance of colorectal cancer cells by regulating FOXO3-FOXM1 axis. [J]. Journal of regional anatomy and operative surgery, 2025, 34(1): 5-10.
杨柳, 冯丹, 杨莉, 等. 高良姜素调节FOXO3-FOXM1轴对结直肠癌细胞增殖、凋亡和5-FU耐药性的影响[J]. 局解手术学杂志, 2025,34(1):5-10. DOI: 10.11659/jjssx.01E024030.
YANG LIU, FENG DAN, YANG LI, et al. Effects of galangin on proliferation,apoptosis and 5-FU resistance of colorectal cancer cells by regulating FOXO3-FOXM1 axis. [J]. Journal of regional anatomy and operative surgery, 2025, 34(1): 5-10. DOI: 10.11659/jjssx.01E024030.
目的
2
探讨高良姜素调节FOXO3-FOXM1轴对结直肠癌(CRC)细胞增殖、凋亡和5-氟尿嘧啶(5-FU)耐药性的影响。
方法
2
体外培养CRC细胞HCT8及其耐药细胞株HCT8/5-FU,然后用不同浓度(0、5、10、20、40 µmol/L)的高良姜素处理,筛选实验浓度。将HCT8细胞分为ctrl组(不进行特殊处理)、NC组(转染空载质粒)、L-高良姜素组(10 μmol/L高良姜素处理)、H-高良姜素组(20 μmol/L高良姜素处理)、H-高良姜素+sh-FOXO3组(20 μmol/L高良姜素处理后转染FOXO3 shRNA质粒)。将HCT8/5-FU细胞分为对照组(不做特殊处理)、5-FU+NC组(5 µg/mL 5-FU处理后转染空载质粒)、5-FU组(5 µg/mL 5-FU处理)、5-FU+L-高良姜素组(5 µg/mL 5-FU处理后加入10 μmol/L高良姜素)、5-FU+H-高良姜素组(5 µg/mL 5-FU处理后加入20 μmol/L高良姜素)、5-FU+H-高良姜素+sh-FOXO3组(经5 μg/mL 5-FU和20 μmol/L高良姜素处理后,再转染FOXO3 shRNA质粒)。CCK-8法检测细胞的增殖能力;克隆形成实验检测细胞克隆形成能力;流式细胞术检测细胞凋亡水平;Western blot检测相关蛋白表达。
结果
2
在HCT8细胞中,与0 μmol/L高良姜素处理比较,10、20、40 μmol/L高良姜素处理会降低细胞存活率(
P
<
0.05);在HCT8/5-FU细胞中,与0 μmol/L高良姜素处理比较,40 μmol/L高良姜素处理可降低细胞存活率(
P
<
0.05)。在HCT8和HCT8/5-FU细胞中,10、20 μmol/L高良姜素干预后细胞凋亡率、FOXO3和Bax蛋白表达升高(
P
<
0.05),而细胞存活率、克隆形成数、FOXM1和PCNA蛋白表达降低/减少(
P
<
0.05),HCT8/5-FU细胞中MRP-1蛋白表达降低(
P
<
0.05)。敲低FOXO3可减弱高剂量高良姜素对HCT8和HCT8/5-FU细胞的作用(
P
<
0.05)。
结论
2
高良姜素可能通过调节FOXO3-FOXM1轴抑制CRC细胞的增殖,促进细胞凋亡,并降低细胞对5-FU的耐药性。
Objective
2
To investigate the effects of galangin on the proliferation,apoptosis,and 5-fluorouracil (5-FU) resistance of colorectal cancer (CRC) cells by regulating the FOXO3-FOXM1 axis.
Methods
2
CRC cells HCT8 and its drug-resistant cell lines HCT8/5-FU were cultured in vitro,and then treated with different concentrations (0,5,10,20,40 µmol/L) of galangin to screen experimental concentrations. HCT8 cells were divided into the ctrl group (without special treatment),NC group (transfected with empty plasmid),L-galangin group (treated with 10 μmol/L of galangin ),H-galangin group (treated with 20 μmol/L of galangin),and H-galangin+sh-FOXO3 group (transfected with FOXO3 shRNA plasmid after 20 μmol/L of galangin treatment). HCT8/5-FU cells were divided into the control group (without special treatment),5-FU+NC group (treated with empty plasmid after 5 µg/mL of 5-FU treatment),5-FU group (treated with 5 µg/mL of 5-FU),5-FU+L-galangin group (treated with 10 μmol/L of galangin after 5 µg/mL of 5-FU treatment),5-FU+H-galangin group (transfected with 20 μmol/L galangin after 5 µg/mL of 5-FU treatment),and 5-FU+H-galangin+sh-FOXO3 group (transfected with FOXO3 shRNA plasmid after 5 µg/mL of 5-FU and 20 μmol/L of galangin treatment). The cell proliferation ability was detected by CCK-8 assay; the cell clone formation ability was detected by clone formation assay; the cell apoptosis was detected by flow cytometry ; the expression of related proteins were detected by Western blot.
Results
2
In HCT8 cells,compared with 0 µmol/L of galangin treatment,10,20,40 µmol/L of galangin treatment decreased the cell survival rate (
P
<
0.05). In HCT8/5-FU cells,compared with 0 µmol/L galangin treatment,40 µmol/L of galangin treatment decreased the cell survival rate (
P
<
0.05). After 10 and 20 µmol/L of galangin treatment,the apoptosis rate,and the expression of FOXO3 and Bax proteins were increased (
P
<
0.05),while ce
ll survival rate,clone formation number,and expression of FOXM1 and PCNA proteins decreased in HCT8 and HCT8/5-FU cells (
P
<
0.05),and the MRP-1 protein expression in HCT8/5-FU cells decreased (
P
<
0.05). Knocking down sh-FOXO3 could attenuate the effects of high dose of galangin on HCT8 and HCT8/5-FU cells (
P
<
0.05).
Conclusion
2
Galangin may inhibit the proliferation,promote apoptosis,and reduce 5-FU resistance of CRC cells by regulating the FOXO3-FOXM1 axis.
高良姜素FOXO3-FOXM1轴结直肠癌增殖凋亡5-氟尿嘧啶耐药性
galanginFOXO3-FOXM1 axiscolorectal cancerproliferationapoptosis5-fluorouracilresistance
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