Mechanism of escin promoting ferroptosis in osteosarcoma cells by inhibiting the nuclear factor erythroid 2-related factor 2/heme oxygenase-1/glutathione peroxidase 4 signaling pathway
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Mechanism of escin promoting ferroptosis in osteosarcoma cells by inhibiting the nuclear factor erythroid 2-related factor 2/heme oxygenase-1/glutathione peroxidase 4 signaling pathway
Journal of Chongqing Medical UniversityPages: 1-9(2026)
作者机构:
1.山东第二医科大学临床医学院,山东省千佛山医院骨外科,济南 250012
2.山东省东平县人民医院肿瘤血液科, 泰安 271599
3.山东第一医科大学第一附属医院(山东省千佛山医院)骨外科,济南 250012
4.山东中医药大学临床医学院,山东省千佛山医院骨外科,济南 250012
5.四川大学华西医院骨外科,成都 610041
6.山东第一医科大学第一附属医院(山东省千佛山医院)妇产科,济南 250012
作者简介:
基金信息:
DOI:
CLC:R738.1
Received:17 October 2025,
Revised:2025-11-19,
Accepted:26 December 2025,
Published:18 March 2026
稿件说明:
移动端阅览
Chen Dailing,Yuan Fang,Chen Changjun,et al.Mechanism of escin promoting ferroptosis in osteosarcoma cells by inhibiting the nuclear factor erythroid 2-related factor 2/heme oxygenase-1/glutathione peroxidase 4 signaling pathway[J].Journal of Chongqing Medical University,
DOI:
Chen Dailing,Yuan Fang,Chen Changjun,et al.Mechanism of escin promoting ferroptosis in osteosarcoma cells by inhibiting the nuclear factor erythroid 2-related factor 2/heme oxygenase-1/glutathione peroxidase 4 signaling pathway[J].Journal of Chongqing Medical University,DOI:10.13406/j.cnki.cyxb..
Mechanism of escin promoting ferroptosis in osteosarcoma cells by inhibiting the nuclear factor erythroid 2-related factor 2/heme oxygenase-1/glutathione peroxidase 4 signaling pathway
To investigate the effect of escin,the active ingredient of the Chinese herbal medicine
Aesculus chinensis
(buckeye seed),on ferroptosis in osteosarcoma cells and its regulatory mechanism on the nuclear factor erythroid 2-related factor 2(Nrf2)/heme oxygenase-1(HO-1)/glutathione peroxidase 4 (GPX4) signaling pathway based on the theory of ferroptosis regulation.
Methods
2
Two osteosarcoma cell lines,KHOS-240S and SAOS-2,were selected and divided into control group,Erastin group,Escin group,and Escin+Ferrostatin-1(Fer-1) group. CCK-8 assay was used to measure cell viability; DCFH-DA and C11-BODIPY dual fluorescence probes were used to measure the levels of total reactive oxygen species (ROS) and lipid peroxidation in cells; a malondialdehyde(MDA) assay kit was used to measure the content of the lipid peroxidation product MDA. The methods of qRT-PCR and Western blot were used to measure the expression of key genes and proteins in the Nrf2/HO-1/GPX4 signaling pathway,and the change in the level of the lipid peroxidation product 4-hydroxynonenal(4-HNE) was analyzed.
Results
2
Escin inhibited the proliferation of osteosarcoma cells in a dose-dependent manner,significantly increased the level of lipid peroxidation,and induced ferroptosis in osteosarcoma cells,and such effects could be reversed by the ferroptosis-specific inhibitor Fer-1. The mechanistic study showed that escin simultaneously downregulated the protein expression levels of Nrf2(
P
<
0.001),HO-1(
P
<
0.001),and GPX4(
P
<
0.001),and this effect could be reversed by the antioxidant vitamin C(
P
<
0.05). The significance level was set at
α
=0.05.
Conclusion
2
Escin exerts a therapeutic effect on osteosarcoma by inhibiting the Nrf2/HO-1/GPX4 signaling axis and inducing lipid peroxidation-dependent ferroptosis,which provides a potential candidate drug for multi-target regulation of ferroptosis and the clinical treatment of osteosarcoma by active components derived from Chinese herbal medicine.
关键词
Keywords
references
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