As illustrated in Figure 2B, the mean (±SEM) relative number of adherent CLL cells on HUVEC increased from 10.8 % (±2%) to 23.3 % (±2.6%) after TNFα stimulation (p<0.01, n=5) at 15 dynes/cm2. The gene discussed is TNF; the disease is B-cell chronic lymphocytic leukemia.