The document is a reference guide for pathway maps and related QIAGEN products. It includes a table of contents listing over 40 signaling pathways. For each pathway, it lists related RT2 Profiler PCR Arrays and Cignal Reporter Assay Kits from QIAGEN that can be used to study gene expression and transcription factor activity for that pathway. It also provides brief descriptions of the PCR array and reporter assay products and directs readers to QIAGEN websites for more information.