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.
| Marker | DC | Percentage of CD11c+ cells | Control | 5 : 1 (BCG) | 5 : 1 (LGG) | 10 : 1 (LGG) | 100 : 1 (LGG) |
| CD40 | 2 h | 6.0 ± 3.3 | 22.5 ± 3.3 | 32.1 ± 4.9 | 32.7 ± 0.3 | 50.7 ± 2.6 | 18 h | 2.2 ± 0.5 | 19.3 ± 5.4 | 20.5 ± 6.9 | 19.0 ± 6.8 | 7.0 ± 0.8 | +neutrophils (2 h) | 2.2 ± 0.4 | 27.8 ± 3.5 | 22.9 ± 5.2 | 25.4 ± 8.7 | 10.4 ± 2.0 |
| CD80 | 2 h | 9.9 ± 1.4 | 39.3 ± 10.4 | 18.2 ± 0.8 | 18.1 ± 3.3 | 34.0 ± 4.2 | 18 h | 9.6 ± 1.6 | 30.7 ± 7.5 | 17.9 ± 0.5 | 19.7 ± 2.5 | 19.6 ± 0.8 | +neutrophils (2 h) | 6.1 ± 1.6 | 33.8 ± 8.9 | 21.2 ± 5.0 | 16.6 ± 7.6 | 16.1 ± 7.8 |
| CD83 | 2 h | 6.5 ± 0.2 | 29.6 ± 5.7 | 38.4 ± 3.7 | 32.7 ± 1.3 | 36.2 ± 4.7 | 18 h | 5.1 ± 1.5 | 27.5 ± 10.5 | 8.4 ± 1.9 | 4.8 ± 0.8 | 6.5 ± 1.4 | +neutrophils (2 h) | 3.6 ± 0.2 | 31.2 ± 4.8 | 9.8 ± 1.3 | 8.0 ± 0.8 | 11.1 ± 2.8 |
| CD86 | 2 h | 17.0 ± 0.3 | 72.0 ± 5.4 | 37.1 ± 8.1 | 41.6 ± 1.4 | 58.5 ± 6.1 | 18 h | 14.8 ± 1.9 | 71.0 ± 7.9 | 57.6 ± 0.1 | 56.5 ± 1.3 | 29.7 ± 6.0 | +neutrophils (2 h) | 13.7 ± 0.2 | 68.0 ± 4.8 | 68.3 ± 6.4 | 76.5 ± 4.4 | 54.9 ± 3.8 |
| MHC class II | 2 h LGG | 31.7 ± 1.8 | 61.9 ± 2.5 | 69.9 ± 8.8 | 70.7 ± 12.8 | 77.8 ± 11.1 | 18 h LGG | 32.6 ± 2.7 | 59.2 ± 6.1 | 58.4 ± 12.5 | 52.9 ± 7.2 | 57.4 ± 11.6 | +neutrophils (2 h) | 34.7 ± 10.1 | 55.3 ± 10.2 | 58.5 ± 12.9 | 52.1 ± 6.3 | 64.0 ± 9.4 |
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compared to groups treated with 5 : 1 and 10 : 1 LGG, respectively. Data are presented as the mean ± SEM.
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