Changes in macrophage status in vivo during infection with and immunity to Leishmania enriettii |
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Authors: | L.W. Poulter |
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Affiliation: | Pathology Department, Royal College of Surgeons, Lincoln''s Inn Fields, London WC2A 3PN, England |
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Abstract: | The changing status of peritoneal macrophages in guinea pigs infected with Leishmania enriettii has been examined. It was possible to demonstrate that, at certain times during a primary infection and following attempted reinfection of immune animals, the response of peritoneal macrophages to lymphokine contact in vitro was altered. At these times the harvested cells appeared to behave in vitro as if they had been at least partially activated in vivo before removal. They were unresponsive to lymphokine in the migration inhibition assay, and contact with lymphokine in culture caused a rapid increase in the level of glucose oxidation in these cells. It is suggested that changes in the response of macrophages to lymphokine in vitro may be one way of monitoring activation in vivo. |
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Keywords: | Present address for correspondence: Dr. L. W. Poulter Trudeau Inst. Inc. P. O. Box 59 Saranac Lake New York 12983. |
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