1. The effect of phalloidin on bile acid, phospholipid and cholesterol secretion into bile was studied in rats with bile fistulae.
2. Phalloidin, when given for 7 days, induced a significant decrease in biliary cholesterol concentration and cholesterol saturation index. Bile acid and phospholipid concentration in bile remained unchanged. This effect was less marked in animals receiving the drug for 3 days, and not detectable in animals treated for 1 day.
3. These results provide circumstantial evidence for the hypothesis that microfilament dysfunction may lead to alterations in cholesterol secretion into bile.
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© 1980 The Biochemical Society and the Medical Research Society
1980
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