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Updated: Aug 17, 2026

Use of Animal Model of Sepsis to Evaluate Novel Herbal Therapies
07:34

Use of Animal Model of Sepsis to Evaluate Novel Herbal Therapies

Published on: April 11, 2012

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Epigallocatechin-3-gallate protects sepsis-induced myocardial dysfunction by inhibiting the nuclear factor-κB

Bei Chen1, Ya-Fei Li2, Zhang Fang1

  • 1Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, Jiangsu Province, China.

Heliyon
|March 7, 2024
PubMed

Insights

Epigallocatechin-3-gallate (EGCG) from green tea protects against sepsis-induced myocardial dysfunction. EGCG reduces inflammation and apoptosis by inhibiting the TLR4/NF-κB pathway, offering potential treatment for heart damage during sepsis.

Area of Science:

  • Cardiology
  • Pharmacology
  • Molecular Biology

Background:

  • Sepsis-induced myocardial dysfunction (SIMD) is a life-threatening complication with limited therapeutic options.
  • Epigallocatechin-3-gallate (EGCG), a green tea compound, shows promise for cardiovascular applications.

Purpose of the Study:

  • To investigate EGCG's efficacy in preventing lipopolysaccharide (LPS)-induced myocardial dysfunction.
  • To elucidate the molecular mechanisms underlying EGCG's cardioprotective effects.

Main Methods:

  • Echocardiography assessed cardiac systolic function.
  • TUNEL staining evaluated cardiomyocyte apoptosis.
  • Western Blot and qRT-PCR analyzed inflammatory factors, apoptosis-related proteins, and cardiac markers.

Main Results:

  • EGCG improved LPS-induced cardiac dysfunction and enhanced left ventricular systolic function.
  • EGCG inhibited LPS-induced TLR4 upregulation and the IκBα/NF-κB/p65 signaling pathway.
  • EGCG reduced cardiomyocyte apoptosis and myocarditis.

Conclusions:

  • EGCG exerts anti-inflammatory and anti-apoptotic effects against SIMD.
  • EGCG's protective mechanism involves inhibiting the TLR4/NF-κB signaling pathway.
  • EGCG represents a potential therapeutic agent for preventing and treating SIMD.

Keywords:
ApoptosisEpigallocatechin-3-gallateInflammationLipopolysaccharideMyocardial dysfunction

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