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| Content Provider | PubMed Central |
|---|---|
| Author | Watier, H. Verwaerde, C. Werner, E. Fontaine, J. Capron, A. Auriault, C. Landau, I. |
| Abstract | Normal, splenectomized, and athymic Fischer rats were infected with Plasmodium chabaudi. In normal rat infections, acute-phase infection resolved rapidly and completely. In splenectomized rats, infection resulted in high parasitemia and ultimately death. In nude rats, parasite growth was reduced compared with normal rats, and a persistent parasitemia (between 20 and 45%) was observed for several months. Complete resolution of the infection was achieved after adoptive transfer of T lymphocytes, even when transfer occurred during the course of infection. These results indicated that an acquired, T-lymphocyte-dependent immunity was necessary for the complete recovery observed in normal rats. In normal rats, thrombocytopenia and splenomegaly occurred during infection. By contrast, in nude rats, both of these pathological manifestations were only observed after thymus grafting. Thrombocytopenia was also absent in the splenectomized animals. Despite an increase in platelet-associated immunoglobulin levels during the infection, thrombocytopenia was not transferred by injection of infected rat serum to normal recipients. It has been concluded that the nude rat infection can be regarded as a novel and useful model for studying the T-cell-dependent effector and pathological mechanisms and to investigate the anti-P. chabaudi immune response. |
| Starting Page | 136 |
| File Format | |
| ISSN | 10985522 |
| e-ISSN | 10985522 |
| Journal | Infection and Immunity |
| Issue Number | 1 |
| Volume Number | 60 |
| Language | English |
| Publisher Date | 1992-01-01 |
| Access Restriction | Open |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Infectious Diseases Parasitology Immunology Microbiology |
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