Table 6. FACS analysis of the B cell populations present in the Peyer’s patches three months after competitive bone marrow transplantation.

Donor	1∶1	WT:WT		1∶1	WT:KO
% cells	gated	CD45.1+	CD45.2+	gated	CD45.1+	CD45.2+
Ungated cells		20.1	32.3		24.4	33.5
CD19+	45.3	28.5	53.6	46.5	34.9	50.7
CD38+	68.8	32.9	63.0	72.0	38.8	57.1*
FAS+	5.2	50.0	38.3	5.3	50.5	40.1
GC	22.9	10.6	25.5	19.7	12.9	28.0

Distribution of CD45.1+ and CD45.2+ cells in the Peyer’s patches of recipient mice 3 months after bone marrow transplantation. CD45.1+ WT and CD45.2+ WT or CD45.2+ KO donor cells were mixed at a 1∶1 ratio prior to injection into recipient CD45.1+ mice. The percentage of total cells gated and the percentage of CD45.1+ or CD45.2+ cells for any given gate are shown. Significance was assessed using Student’s t-test and p-values are indicated as *p<0.05, **p<0.01, ***p<0.001.