Figure 1From: The expression of TGF-β1, Smad3, phospho-Smad3 and Smad7 is correlated with the development and invasion of nonfunctioning pituitary adenomas Western blot and qRT-PCR analyses of Smad3 and p-Smad3. (A, B and C) Western blot and densitometric analyses of Smad3 and p-Smad3. (D) qRT-PCR analysis of Smad3. *, P < 0.05; **, P < 0.01.Back to article page