Fig. 3.
Fig. 3. Inability of GM-CSF/IFN-γ–treated (HLA-DR+) PMN to stimulate TT peptide-specific T cells. Flow cytometric analysis of PMN treated with GM-CSF/IFN-γ (50 U/mL) for the presence of HLA-DR (inset) was conducted as described in Materials and Methods. The open peak represents staining with the isotype control. The closed peak represents staining with HLA-DR–specific antibody. T-cell stimulation was conducted as described in Fig 2, but using 5 μg/mL TT peptide instead of whole TT. [3H]TdR uptake was measured at 72 to 96 hours. Data are expressed as cpm ± SD of triplicate samples.

Inability of GM-CSF/IFN-γ–treated (HLA-DR+) PMN to stimulate TT peptide-specific T cells. Flow cytometric analysis of PMN treated with GM-CSF/IFN-γ (50 U/mL) for the presence of HLA-DR (inset) was conducted as described in Materials and Methods. The open peak represents staining with the isotype control. The closed peak represents staining with HLA-DR–specific antibody. T-cell stimulation was conducted as described in Fig 2, but using 5 μg/mL TT peptide instead of whole TT. [3H]TdR uptake was measured at 72 to 96 hours. Data are expressed as cpm ± SD of triplicate samples.

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