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Effect of HCMV gB on activation of Smad2 and Smad3. (A) Total Smad2/3 expression was not changed by HCMV gB while the phosphorylation of Smad2/3 was inhibited. (B) Histogram shows the means of three independent experiments (n=3; mean; SE). HCMV, human cytomegalovirus; NC, negative control; gB, glycoprotein B; Smad2/3, mothers against decapentaplegic 2/3; p-phosphorylated; IB, immunoblotting.
