Purity: > 90% by SDS - PAGE Format: Liquid. In Phosphate buffered saline (pH7.4). Interleukin-16 stimulates a migratory response in CD4+ lymphocytes, monocytes, and eosinophils. It primes CD4+ T-cells for IL-2 and IL-15 responsiveness. Also induces T-lymphocyte expression of interleukin 2 receptor and ligand for CD4. Recombinant human IL16 was expressed in E.coli and purified by using conventional chromatography techniques