The Mouse IL-9 Antibody is a SULFO-TAG conjugated detection antibody for IL-9. It is the same detection antibody that is in the V-PLEX Mouse IL-9 Assay. Detection antibody is supplied as a 50X concentrated solution. Mouse IL-9 is a pleiotropic cytokine that affects myeloid and lymphoid cells. IL-9 binds to its cognate receptor IL9R, also known as CD129, which activates the JAK/STAT network.