Effect of Wuzi Yanzong on Reproductive Hormones and TGF-1/Smads Signal Pathway in Rats with Oligoasthenozoospermia

Figure 5

TGf-β1, Smad2, and Smad4 protein expression in testis. (a) Western blot of TGf-β1, Smad2, and Smad4 in the testicles; quantification of TGf-β1 (b), Smad2 (c), and Smad4 (d). Bars represent means± SD of 6 rats per group. ^▲▲p<0.01 versus the control group; <0.01 versus the model group.

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