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. 2013 Sep 4;8(9):e73542. doi: 10.1371/journal.pone.0073542

Figure 4. Mapping of the GFI1 promoter region required for p53-mediated repression.

Figure 4

(A and B) Schematic diagrams of GFI1 promoter fragments cloned into pGL3-basic vector (A) or inserted upstream of the SV40 promoter of the pGL3-promoter vector. (C and D) p53−/− HCT116 cells were transfected with the indicated GFI1 promoter luciferase reporter constructs without or with p53. Luciferase activities were measured 36 hrs after transfection.