FACS analysis of thymocytes from mice carrying various HEB alleles. (A) Two- to three-week-old mice were used in the analysis, with genotype and thymocyte count shown on the top. CD4 and CD8 plots were drawn after eliminating nonlymphocytes and dead cells in the size scatter and 7AAD plots, respectively. The relative percentage of cells in each quadrant was given in the plots. Data are representative of multiple tests including 8 wild-type and HEB+/ko mice, 8 HEBko/ko mice, 3 HEBko/bm mice, and 4 HEBbm/bm mice.