(A) The numbers of WBC counts, RBC counts and PLT counts in peripheral blood were quantified on days 5 and 10 after TBI. (B) The number of MNCs in mesenteric LNs was quantified by cell counter and the percentages of CD4+ T cells, CD8+ T cells in CD45+ lymphocytes and the percentage of CD4+CD25+ T cells and CD8+CD25+ T cells were analyzed by flow cytometry. The numbers of IELs and the percentages of CD4+ T cells, CD8+ T cells, CD4+CD25+ T cells, CD8+CD25+ T cells, CD45+F4/80+ cells, CD45+CD11b+ cells and CD45+MHCII+ cells in small intestine (C) and in colon (D). *P<0.05, **P<0.01, ***P<0.001, ****P<0.0001.