The IRAK1 (Phospho-Thr209) Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can monitor IRAK1 (Phospho-Thr209) protein expression profile in cells. The kit can be used for measuring the relative amounts of IRAK1 (Phospho-Thr209) in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on IRAK1 (Phospho-Thr209). Range: > 5000 Cells. Sensitivity: >5000 cells