a decreasing trendp < 0.05
Neutrophil infiltration, visualized using the Tg (mpx: mcherry) transgenic line, was also increased in the stress model, followed by a decreasing trend upon probiotic administration (4.56 ± 2.43 in control group; 6.95 ± 2.48 in light-stress group; 6.19 ± 3.01 in light-stress/ B. longum group, p < 0.05) ( Figure 3 B,D,F,H).