Figure 2From: Cultured Kaposi's sarcoma tumor cells exhibit a chemokine receptor repertoire that does not allow infection by HIV-1 Flow cytometric analysis of CXCR4. (A) KS-2 cells. (B) IL-1β-stimulated KS-2 cells. (C) T cells. Thin curve, control isotype; thick curve, anti-CXCR4 antibody. Similar results were obtained with KS-1 and -5 cells (data not shown).Back to article page