Quantitative phosphoproteome analysis for the detection of early alterations of signal transduction by dioxin (TCDD)

2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) is an extremely toxic pollutant and regarded the most potent chemical carcinogen in experimental animals. Most of its biological effects are mediated by binding of TCDD to the cytosolic Ah receptor (AHR). In addition, TCDD cause AHR-dependent alterations in signal transduction that are independent of changes in gene expression. In this study, we have therefore conducted a quantitative phospho proteomic study on TCDD-induced alterations.