2005
DOI: 10.1016/j.micpath.2005.07.003
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Regulation of complement activation at the C3-level by serum resistant leptospires

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Cited by 140 publications
(184 citation statements)
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“…Even though the virulence factors of leptospires are only partially known, the pathogenic specimens must have the ability to multiply in the blood, adhere to the endothelium and avoid the host's innate immune response, i.e., complement activation, antimicrobial peptide cytolysis and phagocytosis (3,4). Non-pathogenic leptospires are killed by innate immunity mechanisms, including phagocytosis and complement activation (1,4).…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Even though the virulence factors of leptospires are only partially known, the pathogenic specimens must have the ability to multiply in the blood, adhere to the endothelium and avoid the host's innate immune response, i.e., complement activation, antimicrobial peptide cytolysis and phagocytosis (3,4). Non-pathogenic leptospires are killed by innate immunity mechanisms, including phagocytosis and complement activation (1,4).…”
Section: Introductionmentioning
confidence: 99%
“…Patient isolates of Leptospira have been shown to have different degrees of resistance to the human complement system, while nonpathogenic strains isolated from water sources were sensitive (4). To escape complement, many pathogens use the deposition of complement inhibition molecules, such as factor H, on their membranes.…”
Section: Introductionmentioning
confidence: 99%
“…Outra estratégia desenvolvida por leptospiras para escapar da resposta imune é se ligar aos reguladores do complemento Fator H (FH) e C4BP (C4b-binding protein) e, consequentemente, interferir com a sinalização imune (BARBOSA et al, 2009;MERI et al, 2005). A primeira proteína identificada como ligante de FH foi à proteína LfhA/Lsa24/LenA, que também foi identificada como ligante de laminina pelo nosso grupo (VERMA et al, 2006 (DA SILVA et al, 2015).…”
Section: Mecanismos De Patogenicidadeunclassified
“…( BARBOSA et al, 2009;DA SILVA et al, 2015;MERI et al, 2005;MERIEN et al, 2000;OLIVEIRA et al, 2013;VERMA et al, 2006;VIEIRA et al, 2009 HAMMERSCHMIDT, 2013;FUCHS et al, 1994;SAKSELA, 1990;LOTTENBERG et al, 1992 VIEIRA et al, 2012;VIEIRA et al, 2010a;VIEIRA et al, 2009). …”
Section: Interação Das Proteínas Recombinantes Com Componentes Do Plasmaunclassified
“…Estudos iniciais mostraram a capacidade de diferentes sorovares de leptospiras se ligarem aos reguladores FH e C4BP (Barbosa et al, 2009;Castiblanco-Valencia et al, 2012;Meri et al, 2005;Silva et al, 2011). Em todas as análises foi adotado nível de significância de pelo menos 5%.…”
Section: Importância Do Sistema Complemento Na Leptospiroseunclassified