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. 2013 Apr 26;8(4):e63032. doi: 10.1371/journal.pone.0063032

Figure 3. Design of miR-blocking sponges.

Figure 3

(A) pGreen lentiviral vector containing the HI PolII promoter driving the expression of multiple complementary bulged microRNA binding sites. Each binding site is complementary to a single microRNA with the exception of four mismatchs that create a bulge to promote sponge stability. [37] Separate promoters drive GFP and puromycin selection markers. (B) Table listing the individual miRs targeted by the various microRNA sponge constructs.