Effect of hydro-alcoholic extract of Panax ginseng and Ampicillin treatment in an animal model of Listeria monocytogenes-induced endocarditis

Document Type : Short communication


1 Department of Physiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran

2 Department of Basic Sciences, Faculty of Veterinary Medicine, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran

3 Department of Pathobiology, Faculty of Veterinary Medicine, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran


Objective: Endocarditis is a rare but serious infection caused by Listeria monocytogenes. Panax ginseng demonstrated multiple immunomodulatory effects in earlier studies. Ampicillin is known as an effective antibiotic in the treatment of this disease. Therefore, this study aimed to evaluate the effect of hydro-alcoholic extract of P. ginseng and ampicillin treatment in an animal model of Listeria monocytogenes-induced endocarditis.
Materials and Methods: Thirty mice, 5-7 weeks old, were randomly divided into five groups (n=6) including Healthy Control, Infected, Ampicillin (20 mg/kg, subcutaneous) treatment, Ginseng (0.025 mg/kg, intraperitoneal) treatment, and Ginseng (0.025 mg/kg, intraperitoneal) +Ampicillin (15 mg/kg, subcutaneous) treatment groups. The concentration of cytokines in heart tissue, such as IL-1 (interleukine-1), IL-6, IL-8, and TNF-α (Tumor Necrosis Factor-α), was measured. Histopathological changes were evaluated in heart tissues.
Results: The levels of cytokines were significantly decreased in the Ampicillin+Ginseng treated group compared to the other experimental groups. Microscopically, pathologic changes in heart tissue were concomitant with biochemical findings, which in the infected group, neutrophils and mononuclear cells infiltration in endocardial tissue, myocardial cell necrosis, and edema were detectable. The Ampicillin+Ginseng group showed no significant changes compared to the normal control group.
Conclusion: This study showed that ginseng hydro-alcoholic extract plus ampicillin has better efficacy than the extract or antibiotic alone against experimental endocarditis caused by Listeriosis.


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