SOAT1 and neoplasm: The Hth- and Tsh-expressing proximal wing (Froldi et al., 2010; Khan et al., 2013), in particular, the developing wing hinge (Tamori et al., 2016), has been shown to be a tumor hotspot, presumably due to endogenous activity of JAK-STAT (Ayala-Camargo et al., 2013).