The effect of 5-FU on PB cells from WT and Gpr68 KO mice. A. Number of WBC in PB from WT and Gpr68 KO mice after 5-FU injection at the indicated time points (n=5). B. Frequencies of CD3+ T cells (left), B220+ B cells (middle) and CD11b+ myeloid cells (right) in PB from WT and Gpr68 KO mice after 5-FU injection at the indicated time points (n=5). C. Representative flow cytometric analysis of CD3+ T cells, B220+ B cells and CD11b+ myeloid cells in PB from WT and Gpr68 KO mice at day 7 post 5-FU injection. D. Number of CD3+ T cells (left), B220+ B cells (middle) and CD11b+ myeloid cells (right) in PB from WT and Gpr68 KO mice after 5-FU injection at the indicated time points (n=5). #, P<0.1; *, P<0.05.