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Apoptosis in parasites and parasite-induced apoptosis in the host immune system: a new approach to parasitic diseases BJMBR
Barcinski,M.A.; DosReis,G.A..
Apoptosis, a form of programmed cell death (PCD), has been described as essential for normal organogenesis and tissue development, as well as for the proper function of cell-renewal systems in adult organisms. Apoptosis is also pivotal in the pathogenesis of several different diseases. In this paper we discuss, from two different points of view, the role of apoptosis in parasitic diseases. The description of apoptotic death in three different species of heteroxenic trypanosomatids is reviewed, and considerations on the phylogenesis of apoptosis and on the eventual role of PCD on their mechanism of pathogenesis are made. From a different perspective, an increasing body of evidence is making clear that regulation of host cell apoptosis is an important factor...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Apoptosis; Parasites; Host cells; Host immune system; Programmed cell death; Trypanosomatids.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1999000400003
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Apoptotic mimicry: an altruistic behavior in host/Leishmania interplay BJMBR
Wanderley,J.L.M.; Benjamin,A.; Real,F.; Bonomo,A.; Moreira,M.E.C.; Barcinski,M.A..
Apoptosis is the most common phenotype observed when cells die through programmed cell death. The morphologic and biochemical changes that characterize apoptotic cells depend on the activation of a diverse set of genes. Apoptosis is essential for multicellular organisms since their development and homeostasis are dependent on extensive cell renewal. In fact, there is strong evidence for the correlation between the emergence of multicellular organisms and apoptosis during evolution. On the other hand, no obvious advantages can be envisaged for unicellular organisms to carry the complex machinery required for programmed cell death. However, accumulating evidence shows that free-living and parasitic protozoa as well as yeasts display apoptotic markers. This...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Apoptosis; Phosphatidylserine; Leishmania; Phagocyte.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2005000600001
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