Research Article

Lactobacillus rhamnosus GG Activation of Dendritic Cells and Neutrophils Depends on the Dose and Time of Exposure

Table 1

Surface marker expression on DC after direct and indirect exposure via neutrophils to BCG and LGG.

MarkerDCPercentage of CD11c+ cells
Control5 : 1 (BCG)5 : 1 (LGG)10 : 1 (LGG)100 : 1 (LGG)

CD402 h6.0 ± 3.322.5 ± 3.332.1 ± 4.932.7 ± 0.350.7 ± 2.6
18 h2.2 ± 0.519.3 ± 5.420.5 ± 6.919.0 ± 6.87.0 ± 0.8
+neutrophils (2 h)2.2 ± 0.427.8 ± 3.522.9 ± 5.225.4 ± 8.710.4 ± 2.0

CD802 h9.9 ± 1.439.3 ± 10.418.2 ± 0.818.1 ± 3.334.0 ± 4.2
18 h9.6 ± 1.630.7 ± 7.517.9 ± 0.519.7 ± 2.519.6 ± 0.8
+neutrophils (2 h)6.1 ± 1.633.8 ± 8.921.2 ± 5.016.6 ± 7.616.1 ± 7.8

CD832 h6.5 ± 0.229.6 ± 5.738.4 ± 3.732.7 ± 1.336.2 ± 4.7
18 h5.1 ± 1.527.5 ± 10.58.4 ± 1.94.8 ± 0.86.5 ± 1.4
+neutrophils (2 h)3.6 ± 0.231.2 ± 4.89.8 ± 1.38.0 ± 0.811.1 ± 2.8

CD862 h17.0 ± 0.372.0 ± 5.437.1 ± 8.141.6 ± 1.458.5 ± 6.1
18 h14.8 ± 1.971.0 ± 7.957.6 ± 0.156.5 ± 1.329.7 ± 6.0
+neutrophils (2 h)13.7 ± 0.268.0 ± 4.868.3 ± 6.476.5 ± 4.454.9 ± 3.8

MHC
class II
2 h LGG31.7 ± 1.861.9 ± 2.569.9 ± 8.870.7 ± 12.877.8 ± 11.1
18 h LGG32.6 ± 2.759.2 ± 6.158.4 ± 12.552.9 ± 7.257.4 ± 11.6
+neutrophils (2 h)34.7 ± 10.155.3 ± 10.258.5 ± 12.952.1 ± 6.364.0 ± 9.4

compared to groups treated with 5 : 1 and 10 : 1 LGG, respectively.
Data are presented as the mean ± SEM.