Activation of signaling pathways of Janus kinase (JAK)/signal transducers and activators of transcription factors (Stats) (Lee et al., 2004), mitogen‐activated protein kinase (MAPK) (Culig et al., 2005; Godoy‐Tundidor et al., 2005), and phosphatidylinositol 3‐kinase (PI3K) (Culig et al., 2005; Godoy‐Tundidor et al., 2005) by IL‐6 has been reported in various PCa cell lines. The gene discussed is IL6; the disease is posterior cortical atrophy.