MPO and serum lipopolysaccharide activity: Moreover, in both LPS-induced endotoxemia and CLP-induced sepsis models, the Ly6G and MPO staining showed that the number of neutrophils recruited into heart tissue was significantly increased in TMZ BM > vehicle mice compared with vehicle BM > vehicle mice, and TMZ BM > TMZ mice compared with TMZ BM > vehicle mice, respectively, (Figures 2I–M).