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Effect of Polymyxin B on LPS-induced cytokine production in vitro. This figure shows the effect of the addition of Polymyxin B to the PBMC culture of individuals chronically infected with S. mansoni (n = 06) on LPS-induced TNF-α. LPS was used in the concentration of 0.14 ng/mL and Polymyxin B at final concentration of 30 μg/mL of culture.
