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Published on: September 15, 2017
[Effect of tectorigenin on MCP-1 and ICAM-1 mRNA expression in injured vascular endothelial cells]
Jinfeng Wang1, Yanping Zhang, Cuiyan Yang
1Cardiac Intervention Department of 208th Hospital of PLA, Changchun 130062, China. 13944927368@139.com
Objective:
To observe the protective effect of tectorigenin on the vascular endothelial cells(VEC) injured by oxidant low density lipoprotein-cholesterol and the expression of MCP-1 and ICAM-1 mRNA, and explore the mechanism of anti-atherosclerosis.
Method:
The VEC of rat was cultured in vitro and the 100 mg x L(-1) ox-LDL inducing oxidant injured model was used in this study. Different dosage tectorigenin was added into VEC and the activity of VEC was observed by MTT colorimetry. The expression of MCP-1 and ICAM-1 mRNA in VEC was detected by RT-PCR.
Result:
Tectorigenin had significantly protective effect on the VEC injured by ox-LDL and obviously inhibited the excessive expression of MCP-1 and ICAM-1 mRNA in VEC.
Conclusion:
It was the critical mechanism of anti-atherosclerosis that tectorigenin prevented the VEC oxidant injured and inhibited the excessive expression of MCP-1 and ICAM-1.
Insights
Tectorigenin protects vascular endothelial cells from oxidant injury and inhibits key inflammatory markers, offering a potential therapeutic mechanism against atherosclerosis.
Area of Science:
- Cardiovascular Research
- Molecular Biology
- Pharmacology
Background:
- Atherosclerosis is a chronic inflammatory disease.
- Oxidized low-density lipoprotein (ox-LDL) is a key factor in vascular endothelial cell injury.
- Understanding protective mechanisms is crucial for developing anti-atherosclerosis therapies.
Purpose of the Study:
- To investigate the protective effects of tectorigenin on vascular endothelial cells (VECs) damaged by ox-LDL.
- To examine the impact of tectorigenin on the expression of MCP-1 and ICAM-1 mRNA.
- To elucidate the anti-atherosclerosis mechanism of tectorigenin.
Main Methods:
- In vitro culture of rat VECs.
- Induction of oxidant injury using 100 mg/L ox-LDL.
- Assessment of VEC viability using MTT colorimetry.
- Quantification of MCP-1 and ICAM-1 mRNA expression via RT-PCR.
Main Results:
- Tectorigenin demonstrated a significant protective effect on ox-LDL-injured VECs.
- Tectorigenin markedly inhibited the overexpression of MCP-1 and ICAM-1 mRNA.
- The compound's dosage-dependent effects were observed.
Conclusions:
- Tectorigenin prevents VEC oxidant injury, a critical mechanism in anti-atherosclerosis.
- Inhibition of MCP-1 and ICAM-1 expression by tectorigenin contributes to its anti-atherosclerotic properties.
- Tectorigenin shows promise as a therapeutic agent for preventing atherosclerosis.
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