GFAP and breast cancer: Finally, markers of mature neuronal (α-internexin, MAP2, NeuN, NSE) and glial (GFAP, S100 β, Cx43) lineage are positive in BC/GC (Hirose et al., 1995; Crino et al., 1996; Urbach et al., 2002; Sharma et al., 2004; Jozwiak et al., 2005; Blandini et al., 2008; Garbelli et al., 2011; Marin-Valencia et al., 2014).