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. 1998 Aug 17;188(4):619–626. doi: 10.1084/jem.188.4.619

Figure 1.

Figure 1

GD2 expression in Jurkat and EL4 cells. Cells were stained with mAb 3F8 (solid line) or isotype-matched mAb 20.4 (broken line), directed against GD2 and human LNGFR, respectively. (a) Jurkat cells; (b) wild-type EL4; (c) EL4GD2−. The three cell lines are, respectively, GD2 low, GD2 +, and GD2 . GD2 expression by these cells is closely correlated with the costimulatory activity described in Table 1.