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

Figure 8

IHC analysis of Smad4 expression in testis. (a) Control group; (b) model group; (c) WZYZ group; (d) positive group; (e) quantification of Smad4 IHC staining. 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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