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Figure 2 | BMC Developmental Biology

Figure 2

From: Live in vivo imaging of Egr-1 promoter activity during neonatal development, liver regeneration and wound healing

Figure 2

Egr-1 promoter driven luciferase activity during postnatal development (day 7 - 21 after birth). Luciferase activity in Egr-1-luc mice at indicated age was measured by BLI after i.p. injection of luciferin. The luciferase signal was collected for 10 sec from the ventral side of the mice (n = 6).A: A reflected light picture of representative animals at indicated age is overlaid by a color coded BLI image. B and C: Luciferase activity was quantified within regions of interest (ROIs) placed at the paw (B) or snout area (C) and expressed as photons per second per cm2 to correct for size differences in ROI size at different ages. A background ROI of similar size was subtracted. Median values of six animals + standard deviation are shown. * p < 0.05, *** p < 0.001; indicated day vs. day 7, Wilcoxon test

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