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Effect of BCG treatment on PD-L1 expression in T24 cells.
Notes: Concentration and time dependent increase of PD-L1 protein expression by BCG treatment in T24 cells. (A) BCG (1.0×106 CFU/mg) as bacterium/cell ratios of 0, 2.5:1, 5:1, 10:1 and 20:1 for 4 h. (B) BCG (1.0×106 CFU/mg) as a bacterium/cell ratio of 10:1 for 0, 2, 4, 6, 8 and 10 h.
Abbreviations: BCG, Bacillus Calmette -Guérin; CFU, colony forming unit; PD-L1, programmed death-ligand 1.
