2003
DOI: 10.1002/mus.10338
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CBA/J mice infected with Trypanosoma cruzi: An experimental model for inflammatory myopathies

Abstract: Idiopathic inflammatory myopathies are inflammatory disorders of unknown origin, characterized by muscle weakness. The aim of our study was to establish and characterize an animal model for chronic inflammatory myopathy which would permit investigations of the role of T-cells in chronic myositis as well as of the mechanisms for muscle weakness in chronic inflammatory muscle disorders. CBA/J mice were infected with the protozoan parasite Trypanosoma cruzi. Immunohistochemistry was used to characterize the distr… Show more

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Cited by 23 publications
(16 citation statements)
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“…Experimental murine models of T. cruzi infection have been shown to faithfully mimic various aspects of Chagas disease, including the immune mechanisms involved in controlling the parasites in humans (Andersson et al 2003). Murine models also have been used to investigate histopathological implications (Andrade & Magalhães 1996) of infection by different T. cruzi strains.…”
mentioning
confidence: 99%
“…Experimental murine models of T. cruzi infection have been shown to faithfully mimic various aspects of Chagas disease, including the immune mechanisms involved in controlling the parasites in humans (Andersson et al 2003). Murine models also have been used to investigate histopathological implications (Andrade & Magalhães 1996) of infection by different T. cruzi strains.…”
mentioning
confidence: 99%
“…Excepto por la miositis del músculo liso del sistema digestivo, se consideró inicialmente que no había compromiso muscular en la enfermedad de Chagas; sin embargo, aun pequeñas inoculaciones de parásitos a ratones susceptibles produjeron lesión muscular durante la fase aguda (73)(74)(75). En ellos se han encontrado infiltrados mononucleares múltiples, con predominio de células CD4 y CD8, necrosis de fibras musculares, agrupamiento de éstas y atrofia.…”
Section: Miopatíaunclassified
“…En ellos se han encontrado infiltrados mononucleares múltiples, con predominio de células CD4 y CD8, necrosis de fibras musculares, agrupamiento de éstas y atrofia. La mayoría de estos infiltrados inflamatorios, con predominio de células T y macrófagos, se encuentran principalmente en áreas endomisiales y perivasculares (74). Otro estudio realizado con cepas de Trypanosoma CA-I produjo a los 4 meses de la primoinfección, miositis con compromiso perivascular en forma de arteritis.…”
Section: Miopatíaunclassified
“…Nevertheless, it is very difficult to manage, because there is an elevated risk of laboratory infections caused by T. cruziinfected animals. 12 In this study we utilized a different protozoan parasite, Leishmania infantum. Syrian hamsters are susceptible to different Leishmania species and are known to be particularly useful for studying visceral leishmaniasis (VL).…”
mentioning
confidence: 99%