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Figure 3 | Respiratory Research

Figure 3

From: Effects of exercise training on pulmonary vessel muscularization and right ventricular function in an animal model of COPD

Figure 3

Muscularization of pulmonary vessels in mice exposed to cigarette smoke (CS) or fresh air (FA) and put through 4 weeks of interval training (IT) or kept sedentary for 4 weeks (Se). Staining of smooth muscle actin was evaluated on a scale of 1-5 (1 = non-muscularized to 5 = fully muscularized). Bars indicate mean ± SD. *p = 0.040 (main effect of IT vs Se, 2-way ANOVA without interaction-term).

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