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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Circ Cardiovasc Imaging. 2012 Jul 9;5(5):652–659. doi: 10.1161/CIRCIMAGING.112.975607

Figure 4.

Figure 4

Blood flow in (A) brown adipose tissue (BAT), (B) kidney, and (C) in the quadriceps femoris muscle estimated by contrast ultrasound before and during infusion of 1 μg·kg−1·min−1 norepinephrine (NE) in wild-type (WT) mice and in mice deficient in uncoupling protein 1 (UCP1−/−). Data are depicted as mean values±SEM. * p<0.05, BAT blood flow at NE 1 μg·kg−1·min−1 differs from baseline BAT blood flow. † p<0.05, BAT blood flow in UCP1−/− mice differs from BAT blood flow in WT mice.