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. 2006 Aug;118(4):549–558. doi: 10.1111/j.1365-2567.2006.02396.x

Figure 2.

Figure 2

Costimulation of naive CD4+ T cells through ICAM-1 induced high IL-2 production. Triplicate cultures of naive CD4+ T cells were left not stimulated or stimulated with anti-CD3 alone or in combination with anti-ICAM-1, anti-LFA-1, or anti-CD28. Cell culture supernatants were harvested on days 1, 2, 3, 5 and 7, and IL-2 secretion was measured by ELISA. Values for all stimuli were plotted but some were too low to be visible. Data are presented as the mean of triplicate samples. Representative of four experiments.