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Figure 4: Comparison of CxCR4 co-receptor expression on CD4 T-cell in HIV infected and the effect of PTB co-infection. A. Frequency of CxCR4+ cells within CD4 T-cell, CD4+CD25high, CD4+CD25intermediate and CD4+CD25low/ negative sub-population in HC, patients with PTB, HIV-1 infected with or without PTB co-infection. Data are expressed as Means with SEM [standard error of the mean] of percentage cells positive for CxCR4. B. Comparison of CxCR4 expression per cell on CD4 T-cell, CD4+CD25high [Treg], CD4+CD25intermediate and CD4+CD25low/negative sub-population. PBMC were stained with CD4-FITC, CD25-PE-Cy7, and CxCR4-PE. Data are expressed as Means with SEM [standard error of the mean] of MFI of cells positive for CxCR4.
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