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Elimination of ingested 32P-labelled E. coli from rat polymorphonuclear neutrophils (PMN). Evaluation of a method
Abstract:
A method to be used for in vitro assay of the elimination of ingested 32P-labelled E. coli from rat PMN monolayers has been evaluated. The rate of expulsion of bacterial label from phagocytes into the extracellular medium was found to range between 40 and 50% of the total uptake 180 min after termination of ingestion. Serum enhanced the cellular uptake of bacteria, but did not affect the rate of elimination. Disintegration of the phagocytes was not found to be a problem.