The effect of lipoic acid on the content of SOD-1 and TNF-α in rat striated muscle

Author:

Skibska Beata1ORCID,Skibska Agnieszka2ORCID,Gorąca Anna3ORCID

Affiliation:

1. Department of Pharmacy, Department of Applied Pharmacy , Medical University of Lodz , Poland

2. Department of Pharmacy, Department of Applied Cosmetology , Medical University of Lodz , Poland , graduate

3. College of Cosmetics and Health Sciences , Lodz , Poland

Abstract

Abstract Background The aim of the study was to present the effect of lipoic acid (LA) on oxidative stress induced by lipopolysaccharide (LPS). Materials/Methods The studies were conducted on male rats of the Wistar strain. The animals were divided into four groups. I: the controls received saline (0.2 ml); II: LPS, received LPS (Escherichia coli 026: B6) at a dose of 6 mg/kg body weight; III: LA, received LA at a dose of 60 mg/kg body weight; IV: LA + LPS, received LA (60 mg/kg b.w.) and after 30 min received LPS (6 mg/kg b.w.). All compounds were administered to the tail vein. After 5 hours of the experiment, the animals were anesthetized and striated muscle from the thigh was prepared. The isolated muscle was homogenized. Concentrations of superoxide dismutase-1 (SOD-1) and tumor necrosis factor alpha (TNF-α) were determined in the homogenates with the application of ELISA. Results The study showed a significant decrease in SOD-1 content and an increase in TNF-α in striated muscle after LPS administration. LA given 30 min before administration of LPS caused a significant increase in the level of SOD-1 and decreased levels of TNF-α in homogenates. Conclusion LA reduced the parameters of LPS oxidative stress, thus contributing to an increase in the body's antioxidant defense.

Publisher

Walter de Gruyter GmbH

Subject

Infectious Diseases,Microbiology (medical)

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