LUO Xiaoming,ZENG Xianmin,CAI Liangren,et al.Effects of celastrol on drug resistance of liver cancer cells through FAK/MEK/ERK signaling pathway[J].ZHONGGUO YAOFANG,2024,35(20):2477-2481.
LUO Xiaoming,ZENG Xianmin,CAI Liangren,et al.Effects of celastrol on drug resistance of liver cancer cells through FAK/MEK/ERK signaling pathway[J].ZHONGGUO YAOFANG,2024,35(20):2477-2481. DOI: 10.6039/j.issn.1001-0408.2024.20.06.
Effects of celastrol on drug resistance of liver cancer cells through FAK/MEK/ERK signaling pathway
To investigate the effects of celastrol (CSL) on drug resistance of liver cancer cells.
METHODS
2
Human liver cancer lenvatinib (Len)-resistant cells Huh7/Len were constructed and divided into control group, CSL low-, medium- and high-concentration groups (1, 2.5, 5 μmol/L), and CSL high-concentration+Zn27 [focal adhesion kinase (FAK) inhibitor] group (5 μmol/L CSL+2 nmol/L Zn27), with 6 holes in each group. The proliferation (by absorbance) and cloning ability, apoptotic rate, the number of invasion cells and migration cells, the level of reactive oxygen species(ROS) as well as the protein expressions of phosphorylated FAK (p-FAK), phosphorylated mitogen-activated protein kinase kinase (p-MEK), phosphorylated extracellular signal-regulated kinase (p-ERK), B-cell lymphoma-2 (Bcl-2), Bcl-2 associated X protein (Bax) and caspase-3 were detected.
RESULTS
2
Compared with control group, cell absorbance, clone count, invasion count and migration count , and the protein expressions of p-FAK, p-MEK, p-ERK and Bcl-2 were significantly reduced in the CSL low-, medium-, high-concentration groups; the apoptosis rate, ROS level, and protein expressions of Bax and caspase-3 were significantly increased, in a concentration-dependent manner (
P
<0.05). Compared with CSL high-concentration group, the changes of above indexes were all reversed significantly in CSL high-concentration+Zn27 group (
P
<0.05).
CONCLUSIONS
2
CSL can enhance oxidative stress, promote cell apoptosis, inhibit malignant progression and chemotherapy resistance of liver cancer cells, and its mechanism may be related to the inhibition of the FAK/MEK/ERK signaling pathway.
关键词
Keywords
references
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