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. 2008 May 7;2(5):e231. doi: 10.1371/journal.pntd.0000231

Figure 2. IL-6 production by human primary cells following stimulation with M. leprae.

Figure 2

Peripheral blood mononuclear cells were stimulated for 18 hours and supernatants were assayed for cytokine production by ELISA. PBMCs were derived from whole blood taken from 15 individuals with the genotype 1805TTor 1805TG (TT/TG: dark circles) and 13 individuals with the 1805GG genotypes (GG: open circles). (A): PBMCs stimulated in triplicate with media, PAM2 at 75 ng/ml (P2 75), PAM3 at 75 ng/ml (P3 75), or LPS at 10 ng/ml (LPS 10). (B): PBMCs stimulated in triplicate with whole irradiated ML at 20 or 100 µg/ml (ML20 or ML100) or MLcw at 2 or 10 µg/ml (MLcw 2 or MLcw10). The mean level and standard error of the mean are depicted and were derived from averaging the responses of individuals stimulated in triplicate. The median level is depicted by a bar. *P≤0.01, **P≤0.001 by Mann–Whitney U-test.