CXCL8 and myeloid leukemia: Each of the assays addresses a specific activation, U937 the expression of CD86, THP1 the expression of CD86 and CD54, IL-8 the production of IL-8, and as for the last one, the measurement of the expression of more than 200 mRNAs in a cell line derived from human myeloid leukemia, SenzaCell.