Comparative studies on isolated rat hepatocytes and AS-30D hepatoma cells with leucocidin from Pseudomonas aeruginosa

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Abstract
Summary Leucocidin, one of the cytotoxic principles of Pseudomonas aeruginosa induces potassium loss and swelling in isolated hepatocytes and in AS-30D ascites hepatoma cells in a dose and time dependent manner. Hepatoma cells are more sensitive than normal hepatocytes. As shown by scanning electron microscopy the volume increase of both types of cells is accompanied by disappearance of microvilli. In contrast to phalloidin poisoning no protrusions were formed when the cells were exposed to leucocidin under isotonic conditions.

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