CXCL8 and acute lymphoblastic leukemia: IL-8 levels at the serum (ELISA), genomic (RT-PCR), and proteomic levels (western blot) in T-ALL (RQ = 7.8 ± 1.2 p < 0.0001) patients were higher in different histopathological subgroups than in healthy individuals (1.542 ± 03342), as shown in Figure 4.