HSPA2 and colonic neoplasm: Compared with peripheral blood mononuclear cells (PBMC), HSC70 shows high levels of expression in the epithelial cancer cells including oral cancer (OSC20 and Ca9-22), colon cancer (SW620) and stomach cancer (MKN45).60 The gene HSPA2 is elevated in invasive bladder cancer and tissue from patients with breast cancer.31,32 Nevertheless, HSPA1L shows no correlation with prostate cancer risk.61