Plasmodium chabaudi: Adoptive transfer of immunity with different spleen cell populations and development of protective activity in the serum of lethally irradiated recipient mice |
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Authors: | V McDonald RS Phillips |
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Institution: | 1. Department of Biology, University of California, Riverside, California 92521, U.S.A.;2. Department of Zoology, University of Glasgow, Glasgow G12 8QQ, Scotland, United Kingdom |
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Abstract: | Groups of lethally X-irradiated NIH mice were injected with either glass wool-filtered (g.w.) immune spleen cells or nylon wool enriched immune T cells from syngeneic mice immune to Plasmodium chabaudi, or g.w. normal spleen cells. After cell recipients were infected with P. chabaudi the three groups reached similar mean peak parasitaemias on Day 11. In passive transfer tests serum obtained from mice sacrificed at this time gave little protection compared to normal serum. On Day 14 g.w. immune spleen cell recipients had subpatent infections and enriched immune T-cell recipients had a lower mean parasitaemia than g.w. normal spleen cell recipients. Serum obtained on Day 14 from g.w. immune spleen cell recipients gave better protection after passive transfer than sera from enriched immune T-cell or g.w. normal spleen cell recipients. Day 14 serum from enriched immune T-cell recipients, but not from g.w. normal spleen cell recipients, produced some initial protection after passive transfer. These results suggest that the transferred immune spleen cells contributed to the observed humoral immunity in lethally irradiated recipient mice. |
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Keywords: | Protozoa parasitic Malaria Mouse X irradiation Immunity Lymphocytes Nylon wool columns Adoptive transfer Passive transfer Protective antiserum |
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