A – D: Cell count of CD45+ leukocytes, CD3+, CD4+, and CD8+ T cells 24 h and 48 h after CLP- and sham-operation. Gating was performed as described in Material and Methods (see also Supplementary Fig. 1B). Data are expressed as mean ± SD. n = number of animals. *, **, *** = p-value vs the sham group (* < 0.05, ** < 0.01, *** < 0.001).