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Comparative study of the effect of teicoplanin and vancomycin upon the phagocytic process of peritoneal macrophages
C Barriga1, I Pedrera, A B Rodríguez
1Departamento de Fisiología, Facultad de Ciencias, Universidad de Extremadura, Badajoz, Spain.
Abstract:
The effect of Teicoplanin and Vancomycin upon the phagocytic process was compared by evaluating the different activities of the peritoneal macrophage phagocytic function from mice treated with these antibiotics. The results indicated that teicoplanin and vancomycin increased both the substrate adherence and chemotaxis of peritoneal macrophages and that neither antibiotic, at the concentrations of 10, 25, 50, 75 and 100 mg/l, had any chemoattractant capacity for peritoneal macrophages. There was an increase in the attachment of Candida albicans only in the macrophages from mice treated with vancomycin. The phagocytosis of C. albicans, Staphylococcus aureus, Escherichia coli and inert particles as well, as the nitroblue tetrazolium reduction capacity (microbicide capacity) increased in the presence of both antibiotics. The C. albicans digestion capacity increased only in the peritoneal macrophages from mice treated with teicoplanin.
Insights
Teicoplanin and Vancomycin enhance macrophage phagocytic functions, improving bacterial and particle uptake. Both antibiotics boost microbicide capacity, while Teicoplanin uniquely enhances Candida albicans digestion.
Area of Science:
- Immunology
- Pharmacology
- Microbiology
Background:
- Phagocytosis is a critical immune process for clearing pathogens and cellular debris.
- Macrophage function is essential for innate immunity and can be modulated by various agents.
- Antibiotics can have non-antibiotic effects on immune cells, influencing host defense.
Purpose of the Study:
- To compare the effects of Teicoplanin and Vancomycin on the phagocytic activity of mouse peritoneal macrophages.
- To evaluate the impact of these antibiotics on macrophage adherence, chemotaxis, phagocytosis, and microbicidal capacity.
- To determine if Teicoplanin or Vancomycin possess chemoattractant properties for macrophages.
Main Methods:
- Peritoneal macrophages were isolated from mice treated with Teicoplanin or Vancomycin.
- Macrophage adherence, chemotaxis, phagocytosis of Candida albicans, Staphylococcus aureus, Escherichia coli, and inert particles were assessed.
- Nitroblue tetrazolium (NBT) reduction assay was used to measure microbicide capacity.
- Intracellular digestion of Candida albicans was evaluated.
Main Results:
- Both Teicoplanin and Vancomycin significantly increased macrophage substrate adherence and chemotaxis.
- Neither antibiotic demonstrated chemoattractant capacity for macrophages at tested concentrations.
- Vancomycin enhanced Candida albicans attachment, while both antibiotics increased phagocytosis of various targets and NBT reduction.
- Teicoplanin uniquely improved the digestion capacity of Candida albicans by macrophages.
Conclusions:
- Teicoplanin and Vancomycin augment peritoneal macrophage phagocytic functions, enhancing host defense mechanisms.
- These antibiotics improve bacterial and particle clearance through increased adherence, phagocytosis, and microbicidal activity.
- Teicoplanin shows a specific advantage in enhancing the intracellular digestion of Candida albicans.