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In vivo administration of IFNγ or PTx leads to Ag-dependent changes in βgalTCR T cells. Resting, CFSE-labeled βgalTCR T cells were transferred into mice that were treated with IFNγ (left) or PTx (right) as described in materials and methods. Bars indicate mean value for all animals in each group with error bars indicating SEM. p values determined by student’s t test.
