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1.上海国际医学中心(上海 201315)
2.复旦大学附属妇产科医院(上海 200011)
3.上海市第六人民医院(上海 200233)
4.上海市浦东新区中医医院(上海 200120)
5.上海中医药大学附属市中医医院(上海 200071)
耿慧,女,硕士,主治医师,主要从事老年肿瘤的临床和基础研究工作
冯煜,主任医师,硕士研究生导师;E-mail: davisfy@126.com
周利红,研究员,硕士研究生导师;E-mail: zlhtcm@hotmail.com
收稿:2025-02-25,
纸质出版:2025-11-10
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耿慧,王宜生,赵喆,等.槲皮素调控TGF⁃β/Smads信号通路抑制结直肠癌细胞迁移及上皮间质转化的作用机制[J].上海中医药杂志,2025,59(11):69-75.
GENG Hui,WANG Yisheng,ZHAO Zhe,et al.Mechanism of quercetin in inhibiting migration and epithelial⁃mesenchymal transition in colorectal cancer cells via regulation of TGF⁃β/Smads signaling pathway[J].Shanghai Journal of Traditional Chinese Medicine,2025,59(11):69-75.
耿慧,王宜生,赵喆,等.槲皮素调控TGF⁃β/Smads信号通路抑制结直肠癌细胞迁移及上皮间质转化的作用机制[J].上海中医药杂志,2025,59(11):69-75. DOI: 10.16305/j.1007-1334.2025.z20250225007.
GENG Hui,WANG Yisheng,ZHAO Zhe,et al.Mechanism of quercetin in inhibiting migration and epithelial⁃mesenchymal transition in colorectal cancer cells via regulation of TGF⁃β/Smads signaling pathway[J].Shanghai Journal of Traditional Chinese Medicine,2025,59(11):69-75. DOI: 10.16305/j.1007-1334.2025.z20250225007.
目的
2
探讨槲皮素通过调控转化生长因子-β(TGF-β)/Sma和Mad相关蛋白(Smads)信号通路,抑制结直肠癌细胞迁移和上皮间质转化(EMT)的作用机制。
方法
2
体外培养人结直肠癌HCT-116细胞,采用细胞计数试剂盒(CCK-8)实验、Transwell实验和划痕实验检测槲皮素对HCT-116细胞增殖及迁移的抑制作用;Western blot法检测槲皮素、TGF-β/Smads信号通路激活剂SRI-011381及槲皮素联合SRI-011381对HCT-116细胞中EMT、转移相关蛋白和TGF-β/Smads信号通路蛋白表达的影响。
结果
2
CCK-8实验结果表明,槲皮素可以抑制HCT-116细胞的增殖活性(
P<
0.05,
P<
0.01,
P<
0.001);Transwell实验和划痕实验结果表明,槲皮素可以抑制HCT-116细胞的迁移能力(
P
<
0.001);Western blot实验结果表明,槲皮素可以抑制SRI-011381对EMT相关蛋白锌指转录因子(Snail)、扭曲螺旋转录因子(Twist)表达的促进作用(
P<
0.05,
P<
0.01),抑制SRI-011381对转移相关蛋白基质金属蛋白酶(MMP)-2、MMP-9表达的促进作用(
P<
0.05,
P<
0.01),以及阻断SRI-011381对TGF-β/Smads信号通路中TGF-β1、Smad2、Smad3表达的促进作用(
P<
0.05,
P<
0.01),并上调Smad7蛋白表达(
P<
0.05)。
结论
2
槲皮素通过阻断结直肠癌细胞中TGF-β/Smads信号通路的激活,抑制结直肠癌细胞迁移和EMT,从而抑制结直肠癌转移。
Objective
2
To explore the mechanism of quercetin in inhibiting migration and epithelial-mesenchymal transition (EMT) in colorectal cancer cells via regulating the transforming growth factor-β (TGF-β)/Sma and MAD-related proteins (Smads) signaling pathway.
Methods
2
Human colorectal cancer HCT-116 cells were cultured
in vitro
. The inhibitory effect of quercetin on the proliferation of HCT-116 cells was detected by Cell Counting Kit-8(CCK-8) assay, and the inhibitory effect of quercetin on the migration of HCT-116 cells were detected by Transwell assay and scratch assay. The effects of quercetin, TGF-β/Smads signaling pathway activator SRI-
011381 and the combination of quercetin and SRI-011381 on the expressions of EMT, transfer-related proteins and TGF-β/Smads signaling pathway proteins in HCT-116 cells were detected by Western blot.
Results
2
CCK-8 assay results revealed that quercetin could inhibit the proliferation activity of HCT-116 cells (
P<
0.05
, P<
0.01,
P<
0.001). The results of Transwell assay and scratch assay results indicated that quercetin could inhibit the migration ability of HCT-116 cells (
P
<
0.001). Western blot experiments results indicated that quercetin could inhibit the promoting effects of SRI-011381 on the expression of EMT-related proteins zinc finger transcription factor (Snail) and twisted helix transcription factor (Twist) (
P
<
0.05,
P
<
0.01), and inhibit the promoting effect of SRI-011381 on the expression of transfer-related protein matrix metalloproteinase (MMP)-2 and MMP-9 (
P
<
0.05,
P
<
0.01), and block the promoting effect of SRI-011381 on the expression of TGF-β1, Smad2, and Smad3 in the TGF-β/Smads signaling pathway (
P
<
0.05,
P
<
0.01), and up-regulate the expression of Smad7 protein (
P<
0.05).
Conclusions
2
Quercetin can block the activation of TGF-β/Smads signaling pathway in colorectal caner cells, inhibit colorectal cancer cell migration and EMT, and thus inhibit colorectal cancer metastasis.
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