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Background <p>Lower extremity deep vein thrombosis (LEDVT) is a common vascular disease, with its pathogenesis mainly involving inflammatory responses and oxidative stress. Liquiritin (LIQ) is a flavonoid that exhibits pharmacological effects such as anti-inflammatory and antioxidant properties. This study aimed to investigate the role of LIQ in LEDVT and its potential mechanisms.</p> Methods <p>We established an LEDVT model in mice by ligating the inferior vena cava (IVC) and performed in vitro experiments by stimulating human umbilical vein endothelial cells (HUVECs) with IL-1β (10 ng/mL) to simulate endothelial cell injury.</p> Results <p>We found that LIQ significantly reduced the size and weight of thrombi and decreased the concentrations of inflammatory factors TNF-α and IL-6 in the IVC of LEDVT mice. Furthermore, LIQ inhibited the secretion of prothrombotic mediators such as tissue factor (TF) and vascular cell adhesion molecule-1 (VCAM-1). Administration of LIQ resulted in a notable reduction in immune inflammatory cells in the IVC of LEDVT mice. LIQ also demonstrated antioxidant properties, as the treatment of LIQ enhanced SOD activity and restored ROS levels to normal in the IVC. Similarly, LIQ reduced the formation of inflammatory factors and the secretion of prothrombotic mediators by HUVECs while inhibiting oxidative stress in HUVECs. Finally, LIQ effectively suppressed the levels of phosphorylated p65 in both the IVC and HUVECs.</p> Conclusions <p>LIQ reduces inflammatory responses and oxidative stress in LEDVT by inhibiting the NF-κB signaling pathway. This finding provides new insights into the prevention and treatment of LEDVT.</p> Graphical Abstract <p></p>

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Liquiritin mitigates lower extremity deep vein thrombosis by inhibiting inflammation and oxidative stress via the NF-κB signaling pathway

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月20日

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  • Jiacheng Zhang,
  • Nan Wang,
  • Tianyou Xin,
  • Xiaojun Zhu,
  • Shengkun Lang,
  • Xin Ge

摘要

Background

Lower extremity deep vein thrombosis (LEDVT) is a common vascular disease, with its pathogenesis mainly involving inflammatory responses and oxidative stress. Liquiritin (LIQ) is a flavonoid that exhibits pharmacological effects such as anti-inflammatory and antioxidant properties. This study aimed to investigate the role of LIQ in LEDVT and its potential mechanisms.

Methods

We established an LEDVT model in mice by ligating the inferior vena cava (IVC) and performed in vitro experiments by stimulating human umbilical vein endothelial cells (HUVECs) with IL-1β (10 ng/mL) to simulate endothelial cell injury.

Results

We found that LIQ significantly reduced the size and weight of thrombi and decreased the concentrations of inflammatory factors TNF-α and IL-6 in the IVC of LEDVT mice. Furthermore, LIQ inhibited the secretion of prothrombotic mediators such as tissue factor (TF) and vascular cell adhesion molecule-1 (VCAM-1). Administration of LIQ resulted in a notable reduction in immune inflammatory cells in the IVC of LEDVT mice. LIQ also demonstrated antioxidant properties, as the treatment of LIQ enhanced SOD activity and restored ROS levels to normal in the IVC. Similarly, LIQ reduced the formation of inflammatory factors and the secretion of prothrombotic mediators by HUVECs while inhibiting oxidative stress in HUVECs. Finally, LIQ effectively suppressed the levels of phosphorylated p65 in both the IVC and HUVECs.

Conclusions

LIQ reduces inflammatory responses and oxidative stress in LEDVT by inhibiting the NF-κB signaling pathway. This finding provides new insights into the prevention and treatment of LEDVT.

Graphical Abstract