Fig. 6.
Effect of fMLF on the peptide-induced [Ca++]i increase.
Ratios in fluorescence were monitored on fura-2–loaded differentiated HL60 cells before and during sequential addition of agonists at the times indicated by the arrows. The concentrations used were 1 μM Hm (HFYLPm), 1 μM fMLF, 10 μM HM (HFYLPM), or 10 μM MM (MFYLPM). The tracings shown are from 1 experiment representative of at least 3 independent experiments.