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Levistolide a Attenuates Acute Kidney Injury in Mice by Inhibiting the TLR-4/NF-κB Pathway

  • 0Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, People's Republic of China.
Drug Design, Development and Therapy +

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December 10, 2024

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December 10, 2024

View abstract on PubMed

Summary

This summary is machine-generated.

Levistolide A protects against acute kidney injury (AKI) by reducing kidney damage and inflammation. This compound demonstrates antioxidant effects and modulates the TLR-4/NF-κB pathway, offering therapeutic potential for AKI treatment.

Area Of Science

  • Nephrology
  • Pharmacology
  • Molecular Biology

Background

  • Acute kidney injury (AKI) is a critical condition characterized by impaired kidney function and elevated creatinine (CRE) and blood urea nitrogen (BUN) levels.
  • Levistolide A (LA), derived from Ligusticum chuanxiong, possesses diverse therapeutic properties, including anti-inflammatory and antioxidant effects, but its role in AKI is not fully understood.

Purpose Of The Study

  • To investigate the protective effects of Levistolide A (LA) in a mouse model of glycerol-induced acute kidney injury (AKI).
  • To elucidate the underlying mechanisms of LA's action in AKI, focusing on oxidative stress, apoptosis, inflammation, and the TLR-4/NF-κB signaling pathway.

Main Methods

  • A glycerol-induced AKI model was established in mice to assess the efficacy of LA treatment.
  • Kidney function was evaluated by measuring CRE and BUN levels, alongside histological analysis of renal tissue damage.
  • Oxidative stress markers (GSH, SOD, ROS), apoptosis (caspase-3), inflammatory mediators (TNF-α, IL-6), and TLR-4/NF-κB pathway activation were assessed.

Main Results

  • LA treatment significantly improved renal function, reducing CRE and BUN levels and mitigating kidney tissue damage in AKI mice.
  • LA demonstrated potent antioxidant effects by increasing GSH and SOD, and decreasing ROS, while also attenuating apoptosis and inflammatory cell infiltration.
  • LA suppressed inflammatory responses by inhibiting the TLR-4/NF-κB signaling pathway, evidenced by reduced NF-κB activation and TLR-4 expression.

Conclusions

  • Levistolide A exhibits significant protective effects against acute kidney injury in mice.
  • LA's therapeutic benefits are attributed to its antioxidative properties and its ability to modulate the TLR-4/NF-κB signaling pathway.
  • These findings highlight LA as a promising therapeutic agent for AKI and warrant further investigation into its mechanisms.

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