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Use tissues[47]. There is a high correlation between NS1 concentration in patient sera and high concentrations of anaphylatoxins which suggests a role for NS1 in complement activation. Further, anaphylatoxins are co-localized to the lungs and plasma in dengue infections. Co-localization experiments with membrane bound NS1 and NS1 specific antibodies showed the formation of complement attack comple
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Sion Partial Remission 11 (25) Stable Disease 12 (27) Progressive Disease 21 (48) Not assessable 0 (0) Survival (Months) Time to Progression 3.6 Overall Survival 10.0 (0) 9 (60) 5 (33) 1 (7) 0 (0)0 (0) 2 (9) 8 (32) 13 (59) 0 (0)0 (0) 0.002 10 (36) 10 (36) 0.001 8 (30) 0 (0)0 (0) 1 (6) 2 (13) 13 (81) 0 (0) 0.03 0.7.72.9 9.0.6.4 10.3.1 10.0.Only statistically significant p values have been included.
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Use tissues[47]. There is a high correlation between NS1 concentration in patient sera and high concentrations of anaphylatoxins which suggests a role for NS1 in complement activation. Further, anaphylatoxins are co-localized to the lungs and plasma in dengue infections. Co-localization experiments with membrane bound NS1 and NS1 specific antibodies showed the formation of complement attack comple
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Anti-NS1 antibodies stimulating the release of IL-6, IL-8, and MCP-1 in an NFB-dependent manner. Correlated with antibody binding is the upregulation of ICAM1. ICAM1 upregulation can facilitate the adherence of PBMCs to the endothelium. Both NFB inhibitors and soluble NS1 to block the antiNS1 antibodies can able to block cytokine release in vitro[46]. Using ELISA flow cytometry, it can be shown th
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N, however, when cells were exposed to heterologus antigens they produced significantly higher amounts of TNF in relation to IFN[41]. During primary infections in mice, dengue specific CD4+ cells were low; however, in all four viral serotypes of a secondary infection there is a marked increase CD4+ response. Not only did CD4+ cells increase IFN production, but they increased CD8+ effector cell act
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Reactive antibodies activate complement still further. The increase in alternative complement proteins, complement receptors and C protein all facilitate a positive feedback loop that can have dangerous consequences in a dengue infected patient.ConclusionThree immune components interact to produce a confluence of symptoms that define DHF/DSS. Dengue virus initially infects immature dendritic cells
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Combine to form a C5 convertase. Runaway complement activation is prevented by binding of Complement Receptor 1 (CR1) and a constitutively active membrane bound Decay Accelerating Factor (DAF, or CD55) which can prevent the complement cascade[51]. In patients with severe dengue, large amounts of C3a have been detected revealing a role for complement in dengue pathogenesis. This finding might be an

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