Changes in IQGAP2 mRNA expression during prostate cancer tumorigenesis and metastasis. IQGAP mRNA expression data were extracted from the Grasso (A), Lapointe (B), Taylor (C), and Tomlins (D) datasets within the Oncomine (Compendia Bioscience, Ann Arbor, MI) database and analyzed. Means±SD are graphed. Statistical analyses were performed using a two-tailed Student's t test. Dist Met: distant metastasis; lym met: lymph metastasis