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Updated: Apr 8, 2026
08:24
Injections of Lipopolysaccharide into Mice to Mimic Entrance of Microbial-derived Products After Intestinal Barrier Breach
Published on: May 2, 2018
20.7K
[FEATURES OF LIPID METABOLISM IN ANIMALS EXPOSED TO BACTERIAL LIPOPOLYSACCHARIDE]
Likars'Ka Sprava
|June 30, 2015
Summary
Oral lipopolysaccharide (LPS) administration in rats induced endotoxemia, leading to increased blood serum and liver triglycerides. Higher LPS doses also elevated liver cholesterol levels.
Area of Science:
- Biochemistry
- Toxicology
- Animal Models
Context:
- Endotoxemia is a critical condition often triggered by bacterial infections.
- Lipopolysaccharide (LPS) is a major component of Gram-negative bacterial outer membranes.
- Understanding LPS effects is crucial for developing therapeutic strategies.
Purpose:
- To investigate the impact of oral lipopolysaccharide (LPS) administration on lipid metabolism in rats.
- To determine dose-dependent effects of LPS on triglyceride and cholesterol levels.
Summary:
- Oral administration of LPS to rats at doses of 40 µg/kg and 200 µg/kg successfully induced endotoxemia.
- A significant increase in triglyceride content was observed in both blood serum and liver tissues.
- The higher LPS dose (200 µg/kg) also resulted in a notable increase in liver cholesterol content.
Impact:
- This study highlights the adverse effects of orally ingested LPS on lipid homeostasis.
- Findings suggest potential mechanisms linking endotoxemia to dyslipidemia.
- Provides a foundation for further research into LPS-induced metabolic disturbances and therapeutic interventions.
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