Effect of trypsin on the release of IL-8 from A549 cells. Cells were incubated with various concentrations of trypsin at 37°C for 2 h, 8 h or 16 h. Values shown are mean ± SE for 5 separate experiments. *P < 0.05 compared with the response to medium alone control.
Wang et al. BMC Cell Biology 2006 7:22 doi:10.1186/1471-2121-7-22