Extracellular matrix alterations in experimental murine Leishmania (L.) amazonensis infection

Extracellular matrix alterations in experimental murine Leishmania (L.) amazonensis infection

Autor Abreu-Silva, A. L. Google Scholar
Calabrese, K. S. Google Scholar
Mortara, R. A. Google Scholar
Tedesco, R. C. Google Scholar
Cardoso, F. O. Google Scholar
Carvalho, LOP Google Scholar
Da Costa, SCG Google Scholar
Instituição Univ Estadual Maranhao
Fiocruz MS
Universidade Federal de São Paulo (UNIFESP)
Resumo Here we describe extracellular matrix alterations in footpad lesions and draining lymph nodes caused by Leishmania (L.) amazonensis in mouse strains with distinct susceptibilities to this parasite: BALB/c (susceptible), C57BL/6 (intermediate), and DBA/2 (resistant). Changes in ECM were observed mainly in BALB/c mice that, in general, presented tissue damage associated with high parasite burden. Under polarized light, Sirius Red revealed type I collagen that was predominant in the primary lesion in all strains studied at the early phase of infection, but gradually decreased and was replaced by abundant type III collagen fibre in chronic phase lesions. the presence of type III collagen seemed to provide support to inflammatory cells, mainly vacuolated and parasitized macrophages. Laminin expression was not altered during infection by L. (L.) amazonensis in any of the mouse strains studied. Furthermore, the decreased fibronectin expression, in all strains, in areas where amastigotes have been found, indicated that this decline was also not related to the genetic background.
Assunto Leishmania (L.) amazonensis
extracellular matrix
mouse strains
Idioma Inglês
Data 2004-04-01
Publicado em Parasitology. New York: Cambridge Univ Press, v. 128, p. 385-390, 2004.
ISSN 0031-1820 (Sherpa/Romeo, fator de impacto)
Editor Cambridge Univ Press
Extensão 385-390
Fonte http://dx.doi.org/10.1017/S0031182003004621
Direito de acesso Acesso restrito
Tipo Artigo
Web of Science WOS:000221548700004
URI http://repositorio.unifesp.br/handle/11600/27696

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