CD274 and tuberculosis: Extensive bioinformatic analysis (TargetScan, miRanda, miRWalk and RNAhybrid) together with available cues on downregulated miRNAs in tuberculosis patient20, 32 or M. tuberculosis or M. bovis BCG samples33 identified miR-15b, miR-324-5p, miR-338-5p and miR-425-5p as candidate miRNAs that could target PD-L1.