Figure 2From: Attenuation of the Transforming Growth Factor β-Signaling Pathway in Chronic Venous UlcersExpression of Smad2, Smad3, Smad4 and Smad7 in VUs and healthy skin. Real-time qPCR results for the expression of Smad2 (A), Smad3 (B), Smad4 (C) and Smad7 (D). Error bars indicate mean ± SD. *Statistically significant differences between VUs and healthy skin were defined as P < 0.05.Back to article page