Transient increase in capillary permeability induced by Clostridium perfringens type A enterotoxin

Area of Science:

• Microbiology
• Toxicology
• Dermatology

Background:

• Clostridium perfringens type A is a bacterium known to produce toxins.
• Enterotoxins can affect various physiological processes.
• Capillary permeability is a critical factor in tissue physiology and disease.

Purpose of the Study:

• To investigate the effect of Clostridium perfringens type A enterotoxin on capillary permeability.
• To determine the optimal timing for enterotoxin-induced capillary permeability changes.

Main Methods:

• Induction of transient capillary permeability in guinea pig skin using Clostridium perfringens type A enterotoxin.
• Quantitative assessment of capillary permeability changes at varying time points after enterotoxin injection.

Main Results:

• Clostridium perfringens type A enterotoxin induced a transient increase in capillary permeability.
• Maximum intensity and diameter of increased permeability were achieved when enterotoxin was administered 10–20 minutes before dye injection.

Conclusions:

• Clostridium perfringens type A enterotoxin is a potent agent for increasing capillary permeability.
• The timing of enterotoxin administration is crucial for maximizing its effect on vascular permeability.