Confirmation of Mig expression. Mig was measured using a cytometric bead array. Averages and standard deviations are shown, with p values calculated using Student's t-test. WT = wild type and KO = Egr-1 knockout source animal. (A) Mig in LLC1 tumor lysates, shown as picograms of Mig per microgram of protein. (B) Mig in serum from tumor-bearing mice.