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. 1977 Aug;12(2):226–230. doi: 10.1128/aac.12.2.226

Neutrophil Toxicity of Amphotericin B

C John Chunn *, P R Starr †, David N Gilbert †
PMCID: PMC429889  PMID: 900919

Abstract

The toxicity of amphotericin B (AmB) for neutrophils and the protective effect of serum cholesterol were investigated. Neutrophils were exposed in vitro to varying concentrations of AmB. As judged by trypan blue exclusion, neutrophil viability decreased by 40% (P < 0.001) within 30 min of incubation in sterol-free buffer containing 5 μg of AmB per ml. In the presence of 4 mg of cholesterol per 100 ml in buffer, the AmB concentration could be increased to 50 μg/ml before significant (P < 0.01) neutrophil toxicity occurred. Hexose monophosphate shunt activity of neutrophils incubated in serum or cholesterol-containing buffer with 10 μg of AmB per ml was normal. These results suggest that serum contains a protective factor, probably cholesterol, which protects neutrophils in vitro from the toxic effects of AmB.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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