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Proceedings of the National Academy of Sciences of the United States of America logoLink to Proceedings of the National Academy of Sciences of the United States of America
. 1971 Jan;68(1):1–5. doi: 10.1073/pnas.68.1.1

Trypanosoma lewisi Infection in the Rat: Effect of Adenine

William H Taliaferro 1,2, Philip A D'Alesandro 1,2
PMCID: PMC391087  PMID: 5276290

Abstract

The reproductive activity of Trypanosoma lewisi was strikingly enhanced and sometimes prolonged for 2 days when sublethal doses of adenine were given to rats. The drug was effective when given for 5 or 7 days in the diet and/or intraperitoneally, starting one or two days before infection through two days after infection. Peak parasitemia was also enhanced. In terms of host immunity, daily sublethal doses of adenine given to rats within two days before or after infection with T. lewisi significantly depressed a hitherto unrevealed natural immunity to reproduction of the trypanosomes, but only slightly modified the development of acquired immunity.

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Selected References

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