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Figure 1. Surface expression of TLR-2 on THP-1 (A), dendritic cells (B), and monocytes (C). Cells were incubated in medium alone or stimulated with E. coli (Ec) or P. gingivalis (Pg) LPS for 24 hrs. Cells were either left untreated () or pre-incubated with IL-10 () or Dex () 24 hrs before stimulation. The level of TLR2 expression was determined by flow cytometry. Data are expressed as % of positive cells ± SD (n = 4). *p < 0.05.

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