Schizotrypanids: the occurence of dermatitis in immunodeficiency animals infected with Trypanosoma cruzi
Open Access
- 1 January 1992
- journal article
- Published by FapUNIFESP (SciELO) in Memórias do Instituto Oswaldo Cruz
- Vol. 87 (suppl 1) , 81-85
- https://doi.org/10.1590/s0074-02761992000500015
Abstract
Congenitally athymic nude Balb/c (nu/nu) and their phenotypically normal adult and neonate littermates (nu/+), the C3H/HeN as well, were intraperitoneally infected with two strains (Y or CL) or Trypanosoma cruzi. The nude mice and the neonates developed a severe parasitaemia, the susceptible C3H/HeN also presented high level and adult Balb/c mice presented parasitaemia similar to that observed in outbred mice. Erythematous skin lesions were observed initially in infected athymic nude and neonates, being characterized by nests of amastigotes in the dermis; in C3H/HeN infected mice no nest of parasite was observed but a low-grade inflammatory reaction was seen. In adult Balb/c or OF1 outbred mice nest was found but discreet inflammatory reaction was observed in severe infections.Keywords
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