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. 2001 Feb;123(2):210–218. doi: 10.1046/j.1365-2249.2001.01439.x

Fig. 4.

Fig. 4

Augmentation of TNF-α secretion in the presence of tuberculosis plasma from purified adherent cells. Purified adherent cells (1 × 106 cells in 500 μl) were stimulated with either Fx10 (0·1 μg) or Fx24 (0·1 μg) in the presence of control plasma or TB plasma or antigen alone. TNF-α was assessed in the supernatants after 24 h of stimulation by ELISA. Spontaneous release of TNF-α by adherent cells was also assessed for plasma samples without any added stimulant (spontaneous), and was <10 pg/ml for all plasma samples.