Recombinant Human IL-9 Protein (CHO)

Recombinant Interleukin 9, also known as IL-9, is a cytokine (cell signalling molecule) belonging to the group of interleukins. The protein encoded by this gene is a cytokine produced by T-cells and specifically by CD4+ helper cells that acts as a regulator of a variety of hematopoietic cells. ED50 < 1.0 ng/ml, measured in a cell proliferation assay using MO7e cells, corresponding to a specific activity of > 1.0 × 10⁶ units/mg.