EGFR and diabetes mellitus: Upregulation of EGFR, and other ErbBs, has been reported in conditions of hyperglycemia and/or diabetes (Konishi and Berk, 2003; Benter et al., 2005a; Benter et al., 2005b; Saad et al., 2005; Portik-Dobos et al., 2006; Uttarwar et al., 2011; Akhtar et al., 2012; Akhtar et al., 2013; Akhtar et al., 2015; Benter et al., 2015; Li et al., 2015; Akhtar et al., 2019).