FIG. 4.
Effect of the protein tyrosine kinase inhibitor herbimycin A on H. pylori (2.5 × 107 organisms/ml)- and TNF-α (5 ng/ml)-induced IL-8 transcription (A) and IL-8 protein (B) secretion by L5F11 cells. Results are shown as means and SEMs, after subtraction of background cell control values, of five independent experiments. ∗, P < 0.05.
