S100A9 and infection: Expression of calgranulin B-FLAG after infection of pLenti6-calgranulin B-FLAG was confirmed with either the anti-calgranulin B or anti-FLAG (recognizes DYKDDDDK epitope) antibody, and the positive loading control symplekin was detected in both pLenti6-calgranulin B-FLAG- and pLenti6-Con-infected HCT-116 cells (Figure 1A).