ATW0023 Aptamer to Human Interleukin-7 (IL-7) Cytokine. Interleukin 7 (IL7) is a cytokine important for B and T cell development. This cytokine and the hepatocyte growth factor (HGF) form a heterodimer that functions as a pre-pro-B cell growth-stimulating factor.This cytokine can be produced locally by intestinal epithelial and epithelial goblet cells, and may serve as a regulatory factor for intestinal mucosal lymphocytes. This aptamer was selected by scientists at Base Pair Biotechnologies using proprietary methods and recombinant human Interleukin-7 protein, [PeproTech, Inc. Cat #200-07]