2009
DOI: 10.1590/s0074-02762009000200014
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Immunopathology in ocular toxoplasmosis: facts and clues

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Cited by 47 publications
(31 citation statements)
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“…The Th2 cytokines (Il-4, IL-5, IL-10), which counterbalance inflammatory processes, were up-regulated and consequently the authors were unable to define the respective roles of Th1 and Th2 responses in the pathogenesis of human OT. As observed in experimental autoimmune uveitis, it is now proposed that eye damage may be induced by pathogenic responses mediated by Th-17 cells producing TNF [52]. Conversely, host hypersensitivity pathways in the eye might be counterbalanced by IL-27 secretion upregulated by IFN from Th1 cells [52].…”
Section: Immune Privileged Status and Cytokine Responses Are Key Factmentioning
confidence: 99%
“…The Th2 cytokines (Il-4, IL-5, IL-10), which counterbalance inflammatory processes, were up-regulated and consequently the authors were unable to define the respective roles of Th1 and Th2 responses in the pathogenesis of human OT. As observed in experimental autoimmune uveitis, it is now proposed that eye damage may be induced by pathogenic responses mediated by Th-17 cells producing TNF [52]. Conversely, host hypersensitivity pathways in the eye might be counterbalanced by IL-27 secretion upregulated by IFN from Th1 cells [52].…”
Section: Immune Privileged Status and Cytokine Responses Are Key Factmentioning
confidence: 99%
“…Um distinto grupo de células Th, as células Th17, produtoras de IL-17, foi recentemente descrito e essas células apresentam um papel crucial na indução de injúria tecidual autoimune. Embora IL-17 não seja necessária para o desenvolvimento da imunidade adquirida ao T. gondii, sua ausência impede a migração precoce dos neutrófilos para os sítios de infecção o que pode ser fatal para o hospedeiro (12) .…”
Section: Imunidade Adquirida Celularunclassified
“…Nas doenças oculares, principalmente nas uveítes, estas proteínas estão sendo identificadas como importantes mediadores da resposta inflamatória (32) . Infecção das células de Muller com T. gondii in vitro levou a um aumento dos níveis das quimiocinas CCL2, CCL5 e CXCL8 pelas células do endotélio vascular retiniano (12) . Recentemente, um estudo do nosso grupo avaliou o nível sérico de cinco quimiocinas (CCL2, CCL11, CXCL8, CXCL9 e CXCL10) em pacientes com retinocoroidite toxoplásmica ativa e controles.…”
Section: Quimiocinasunclassified
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“…Auf der anderen Seite zeigt der Nachweis einer lokalen Antikörperproduktion über den sogenannten Goldmann-Witmer-Index (Vergleich der Antikörperspiegel zwischen Kammerwasser und Serum) eine lokale Immunaktivität. Bisher ist jedoch wenig bekannt, ob dies auch unspezifisch ausgelöst werden kann, und wie schnell die Immunaktivität nach Abklingen der Erkrankung wieder auf Normalwerte zurückkehrt [10]. [24].…”
unclassified