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Information Journal Paper

Title

COMPARISON THE EFFECTS OF TNF-α, MCM AND POLY I-C IN MATURATION OF DENDRITIC CELLS

Pages

  51-65

Keywords

MONOCYTE CONDITIONED MEDIUM (MCM)Q2
POLY (I-C)Q2

Abstract

 Background and purpose: Several laboratories have developed culture systems including maturation factors for human DC from peripheral blood monocytes. We comprehensively studied the effect of addition of poly (I-C) to standard maturation stimulus, MCM and TNF-a on maturation of monocyte derived DCs and their ability to elicit T cell responses.Materials and methods: A short (4-day) priming of plastic adherent monocytes with granulocytemacrophage colony stimulating factor (GM-CSF) and interleukin-4 (IL-4) followed by allogenic tumor antigen pulsing and addition of MCM and TNF-a with or without poly (I-C) to generate fully mature and stable DCs. Phenotypic and functional analysis were carried out using anti CD14, HLA-DR and CD83 monoclonal antibodies, mixed lymphocyte reaction (MLR), phagocytic activity and cytokine release by DC stimulated T lymphocytes.Results: We found that fully matured DCs with large amount cytoplasm and copious dendritic projections were visible at the end of culturing period in the presence of MCM and TNF-a with or without rpoly (I-C). Flow cytometric analysis using anti-CD14, HLA-DR and CD83 revealed that addition of poly (I-C) to conventional maturation factors results in decreased expression of CD14 and increased expression of HLA-DR and CD83. Functionally, MCM and TNF-a with poly (I-C) treated DCs showed a little stronger mixed leukocyte reaction Analysis of phagocytic activity showed that addition of poly (I-C) reduced FITC-conjugated bead uptake and increased mean fluorescent intensity (MFI) of phagocytic DCs. Furthermore our results revealed that additional treatment of DCs with poly (I-C) results in reduction of IL-12: IL-10 and IFN-γ: IL-4 ratios in DC and DC-primed T cell supernatants respectively.Conclusion: Our results support this idea that use of the MCM, TNF-a and poly (I-C) as maturation factor could gnerates more mature monocyte derived DCs that prime T lymphocytes to TH2 type cytokine release.

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    APA: Copy

    DELIREZH, NOWRUZ, & ASADI, BEHNAZ. (2012). COMPARISON THE EFFECTS OF TNF-α, MCM AND POLY I-C IN MATURATION OF DENDRITIC CELLS. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, 21(SUPPLEMENT 1), 51-65. SID. https://sid.ir/paper/44736/en

    Vancouver: Copy

    DELIREZH NOWRUZ, ASADI BEHNAZ. COMPARISON THE EFFECTS OF TNF-α, MCM AND POLY I-C IN MATURATION OF DENDRITIC CELLS. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2012;21(SUPPLEMENT 1):51-65. Available from: https://sid.ir/paper/44736/en

    IEEE: Copy

    NOWRUZ DELIREZH, and BEHNAZ ASADI, “COMPARISON THE EFFECTS OF TNF-α, MCM AND POLY I-C IN MATURATION OF DENDRITIC CELLS,” JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, vol. 21, no. SUPPLEMENT 1, pp. 51–65, 2012, [Online]. Available: https://sid.ir/paper/44736/en

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