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. Author manuscript; available in PMC: 2010 Jun 7.
Published in final edited form as: J Immunol. 2007 Sep 1;179(5):3144–3152. doi: 10.4049/jimmunol.179.5.3144

FIGURE 7.

FIGURE 7

b12 mAbs block inhibition of HIV-1 transfer from epithelial cells to PBMCs. Cell-free HIV-1BaL or HIV-1IIIb preparations applied to confluent monolayers of ME180 cells (left, A and B) or Caco-2 cells (right, C and D) were incubated with IgG1 or IgA2 b12: 1) before epithelial exposure (+/−); 2) after epithelial exposure and washing but before addition of PBMCs (−/+), or both times (+/+), and then transfer was assessed by the addition of activated PBMCs and measuring p24 levels in culture supernatant by ELISA.