Effect of trypanosoma lewisi infection on the toxoplasma gondii multiplication in white rat peritoneal macrophages
Parasitol. latinoam
;
59(1/2): 3-7, Ene. 2004. ilus
Article
Dans Anglais
| LILACS
| ID: lil-383502
RESUMO
Peritoneal macrophages (PM) from normal Wistar rats were treated in vitro with peritoneal supernatant or sera, obtained from rats infected with 106 Trypanosoma lewisi trypomastigotes before the infection with Toxoplasma gondii tachyzoites. In this experimental model, Toxoplasma multiplication in PM was increased, as compared to macrophages treated with supernatant or sera from control rats not infected with T. lewisi. This effect was observed only if the active supernatant or sera came from rats infected with the T. lewisi 3 to 6 d before Toxoplasma inoculation. Furthermore, immunosuppressive activity was only detectable after at least 24 h incubation with the supernatant or sera. These results are in accordance with our in vivo previous studies which demonstrated a clear immunosuppressive effect of T. lewisi during T.gondii infection of the remarkably resistant Wistar rats.
Texte intégral:
Disponible
Indice:
LILAS (Amériques)
Sujet Principal:
Toxoplasma
/
Trypanosoma lewisi
/
Techniques in vitro
/
Immunosuppression thérapeutique
/
Macrophages péritonéaux
Limites du sujet:
Animaux
langue:
Anglais
Texte intégral:
Parasitol. latinoam
Thème du journal:
Parasitologie
Année:
2004
Type:
Article
Pays d'affiliation:
Costa Rica
Institution/Pays d'affiliation:
Universidad de Costa Rica/CR
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