Issue |
Ann. Parasitol. Hum. Comp.
Volume 45, Number 6, 1970
|
|
---|---|---|
Page(s) | 805 - 813 | |
DOI | https://doi.org/10.1051/parasite/1970456805 | |
Published online | 11 October 2017 |
Mémoire
Pathological and biochemical changes in rats infected concurrently with Nippostrongylus brasiliensis and Trypanosoma congolense
Laboratory ofParasiticDiseases and Biochemistry, Department of Biological Sciences,University of Ife, Ile-Ife, Nigeria.
All the rats received the standard dose of either 1,000 infective N. brasiliensis or 10,000 trypanosomes or both. In the concurrent infection the total number of trypanosomes produced was considerably lower than in the single infection. A gradual rise in trypanosome population was more Observed until necropsy in double infections than in single infections.
The amount of glucose in Nippostrongylus infections was higher than in other infected groups. The result shows that there is an alteration in the carbohydrate metabolism of the rats by both T. congolense and N. brasiliensis infections. Albumin decreased and alpha and betaglobulins did not differ much in the same period except in the Nippostrongylus infections where albumin increased.
Résumé
Tous les rats ont reçu la dose-étalon, soit de 1.000 N. brasiliensis, soit de 10.000 trypanosomes, soit les deux. Il résulte de l’infection simultanée que les trypanosomes qui apparaissent sont bien moins nombreux que ceux qui apparaissent lors de l’infection unique. On a vu une quantité progressivement croissante de trypanosomes se manifester beaucoup plus dans les infections doubles que dans les infections uniques.
Le taux de glucose est plus haut dans les infections à Nippostrongylus que dans les infections des autres groupes. Les résultats montrent que les infections à T. congolense et à N-brasiliensis changent le métabolisme des hydrates de carbone du rat. Sauf pour les infections à Nippostrongylus dans lesquelles on a vu une augmentation du taux de l’albumine, les globulines alpha et béta ne se modifient pas beaucoup pendant la même période, alors que l’albumine diminue.
© Masson, Paris 1970, transferred to Société Française de Parasitologie
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