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- 저자 : Tamilarasu (검색결과 3 건)
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Kadhiravan, Tamilarasu,Saxena, Ankit,Singh, Amar,Broor, Shobha,Sharma, Surendra K.,Mitra, Dipendra K. The Korean Association of Immunobiologists 2010 Immune Network Vol.10 No.5
Background: We tested the hypothesis that dengue haemorrhagic fever (DHF) is associated with a $T_H1$-skewed immune response as opposed to dengue fever (DF). Methods: We estimated intracellular (in T-cells) and serum levels of designate $T_H1/T_H2$ cytokines [interferon-${\gamma}$ (IFN-${\gamma}$), interleukin-4 (IL-4), and tumor necrosis factor-${\alpha}$] and macrophage inflammatory protein-$1{\alpha}$ (MIP-$1{\alpha}$) at admission, 48h, and day 5 in 20 adults with dengue (DF=10, DHF=10) and 10 dengue-naive healthy controls. Results: At admission, intracellular IFN-${\gamma}$/IL-4 ratio in CD4+ T-cells and proportion of MIP-$1{\alpha}$-positive CD8+ T-cells were significantly higher in patients with DHF [7.21 (5.36~10.81) vs. 3.04 (1.75~4.02); p=0.011 and 6.2% (3.2~8.2%) vs. 2.4% (2.0~3.6%); p=0.023]. The latter showed a significant positive correlation with IFN-${\gamma}$/IL-4 ratio in CD4+ T-cells (Spearman's rho=0.64; p=0.003), percentage-change in haematocrit (rho=0.47; p=0.048), and serum alanine amino-transferase level (rho=0.61; p=0.009). Conclusion: We conclude that DHF is associated with a $T_H1$-skewed immune response. Further, MIP-$1{\alpha}$ in CD8+ T-cells is an important immunologic correlate of disease severity in dengue.
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Kadhiravan, Tamilarasu,Saxena, Ankit,Singh, Amar,Broor, Shobha,Sharma, Surendra K.,Mitra, Dipendra K. 대한면역학회 2010 Immune Network Vol.10 No.5
We tested the hypothesis that dengue haemorrhagic fever (DHF) is associated with a T<sub>H</sub>1-skewed immune response as opposed to dengue fever (DF). Methods: We estimated intracellular (in T-cells) and serum levels of designate T<sub>H</sub>1/T<sub>H</sub>2 cytokines [interferon-γ (IFN-γ), interleukin-4 (IL-4), and tumor necrosis factor-α] and macrophage inflammatory protein-1α (MIP-1α) at admission, 48h, and day 5 in 20 adults with dengue (DF=10, DHF=10) and 10 dengue-naive healthy controls. Results: At admission, intracellular IFN-γ/IL-4 ratio in CD4+ T-cells and proportion of MIP-1α-positive CD8+ T-cells were significantly higher in patients with DHF [7.21 (5.36~10.81) vs. 3.04 (1.75~4.02); p=0.011 and 6.2% (3.2~8.2%) vs. 2.4% (2.0~3.6%); p=0.023]. The latter showed a significant positive correlation with IFN-γ/IL-4 ratio in CD4+ T-cells (Spearman's rho=0.64; p=0.003), percentage-change in haematocrit (rho=0.47; p=0.048), and serum alanine amino-transferase level (rho=0.61; p=0.009). Conclusion: We conclude that DHF is associated with a T<sub>H</sub>1-skewed immune response. Further, MIP-1α in CD8+ T-cells is an important immunologic correlate of disease severity in dengue.
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Dipendra K. Mitra,Surendra K. Sharma,Tamilarasu Kadhiravan,Ankit Saxena,Amar Singh,Shobha Broor 대한면역학회 2010 Immune Network Vol.10 No.5
We tested the hypothesis that dengue haemorrhagic fever (DHF) is associated with a TH1-skewed immune response as opposed to dengue fever (DF). Methods: We estimated intracellular (in T-cells) and serum levels of designate TH1/TH2 cytokines [interferon-γ (IFN-γ), interleukin-4 (IL-4), and tumor necrosis factor-α] and macrophage inflammatory protein-1α (MIP-1α) at admission, 48h, and day 5 in 20 adults with dengue (DF=10, DHF=10)and 10 dengue-naïve healthy controls. Results: At admission,intracellular IFN-γ/IL-4 ratio in CD4+ T-cells and proportion of MIP-1α-positive CD8+ T-cells were significantly higher in patients with DHF [7.21 (5.36∼10.81) vs. 3.04(1.75∼4.02); p=0.011 and 6.2% (3.2∼8.2%) vs. 2.4%(2.0∼3.6%); p=0.023]. The latter showed a significant positive correlation with IFN-γ/IL-4 ratio in CD4+ T-cells (Spearman’s rho=0.64; p=0.003), percentage-change in haematocrit (rho=0.47; p=0.048), and serum alanine aminotransferase level (rho=0.61; p=0.009). Conclusion: We conclude that DHF is associated with a TH1-skewed immune response. Further, MIP-1α in CD8+ T-cells is an important immunologic correlate of disease severity in dengue.
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