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. 2021 Jul 29;14(3):535–545. doi: 10.1007/s12602-021-09814-3

Fig. 6.

Fig. 6

Oral administration of L. plantarum PS128 increased the number of 5-HT-positive cells in the ileum of naïve mice. a Representative images showing 5-HT-positive cells in the ileum tissues from mice. The 5-HT-positive cells were indicated by black arrows. Bars, 5 μm. b Numbers of 5-HT-positive cells per area in the ileum tissues of mice (n = 4 per group). Data were expressed as mean ± SEM and analyzed using unpaired t test. ***P < 0.001 compared with the vehicle control groups