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Fig. 2 | Malaria Journal

Fig. 2

From: High purity high yield tandem B and T helper cell isolation for qRT-PCR analysis suitable for basically equipped laboratories

Fig. 2

Flow cytometry analysis of purity and efficiency of B and Th cell isolation. Shown is a representative analysis of three independent isolations. a Flow cytometry analysis of whole blood after erythrocyte lysis (= before B cell isolation). Upper left: gating of live lymphocytes. Lower left: gating of single cells. Upper right: total T cells (CD3+) versus B cells (CD19+). Lower left: total T cells (CD3+) versus Th cells (CD3+CD4+). b Flow cytometry analysis of isolated CD19+ B cells (= positive fraction after B cell isolation). Upper left: gating of live lymphocytes. Lower left: gating of single cells. Upper middle: total T cells (CD3+) versus B cells (CD19+). Lower middle: total T cells (CD3+) versus Th cells (CD3+CD4+). Upper right: histogram of CD19 positive cells. Lower right: histogram of CD4 positive cells. c Flow cytometry analysis of isolated CD4+ Th cells (= positive fraction after Th cell isolation). Upper left: gating of live lymphocytes. Lower left: gating of single cells. Upper middle: total T cells (CD3+) versus B cells (CD19+). Lower middle: total T cells (CD3+) versus Th cells (CD3+CD4+). Upper right: histogram of CD19 positive cells. Lower right: histogram of CD4 positive cells. d Flow cytometry analysis of the negative fraction after Th cell isolation. Upper left: gating of live lymphocytes. Lower left: gating of single cells. Upper middle: total T cells (CD3+) versus B cells (CD19+). Lower middle: total T cells (CD3+) versus Th cells (CD3+CD4+). Upper right: histogram of CD19 positive cells. Lower right: histogram of CD4 positive cells

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