Additional file 2.

Figure S1. An example of CD4+CD25+ cells achieved by culturing HCV-infected PBMCs with variant peptide pool VP1 at presence (B) or absence (A) of anti-TGF-βantibodies; and CD4+CD25+ cells achieved by culturing HCV-infected PBMCs with (D) or without (C) TGF-β+cell deletion. Either anti-TGF-β antibodies or deletion of TGF-β+cells significantly reduced CD4+CD25+ cells. Two representatives of four experiments are shown.

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Wang et al. Virology Journal 2011 8:377   doi:10.1186/1743-422X-8-377