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. 2012 Jul 13;7(7):e40589. doi: 10.1371/journal.pone.0040589

Figure 1. VEGF knockdown mouse model.

Figure 1

(A) One week after doxycycline-induction, podocin-rtTA:tet-O-siVEGF adult mice decrease VEGF-A mRNA and VEGF-A protein levels to ∼20% of controls in isolated glomeruli. (B) Urine VEGF-A decreases in VEGF knockdown mice to ∼30% of control values. (C) Plasma VEGF-A is similar in VEGF knockdown and control mice. (D) VEGF immunohistochemistry shows normal expression in control (left), and decreased glomerular VEGF-A expression in VEGF knockdown mice (right), scale bar = 30 µm. (E) Low magnification VEGF immunohistochemistry shows absence of VEGF in some glomeruli in VEGF knockdown mice (right), (scale bar = 40 µm). (F) Glomerular VEGF-A (VEGF+ area/glomerular area x100) in VEGF knockdown mice (n = 135) decreases to ∼30% of controls (n = 118). In all bar graphs * indicates P<0.05 compared to control.