CD8A and colitis: In splenocytes, frequencies of CD8+ T cells were decreased in colitis mice compared to normal control mice (11.10 ± 1.25% vs. 20.90 ± 2.82%, p < 0.01) and normal mice treated with T. halophilus (11.10 ± 1.25% vs. 18.85 ± 3.14%, p < 0.05) (Figure 3D).