Fig. 3. Upstream transcriptional factors involved in the regulation of differentially expressed proteins identified in the seminal plasma of varicocele patients relative to that of fertile men (control). (A) Transcriptional repressor protein yin yang 1 (YY1). (B) Nuclease-sensitive element-binding protein 1 (YB-1). HSPA2: heat shock related 70 kDa protein 2, ACR: acrosin.
