Figure 4.
Immunoblot detection of pro-IL-16 in cell lysates. Lysates from 2.5 × 106 cells were loaded into each lane. Lane 1, normal COS-7 cells; lane 2, pro-IL-16 cDNA transfected COS-7 cells; lane 3, phytohemagglutinin/IL-2 stimulated PBMCs; lane 4, PBMCs after 24 hr of stimulation with 10 μM serotonin.
