“…The 12Glu9 or I/D polymorphism is linked to the autonomic dysfunction and increased sympathetic nervous system activity (Papanas et al, 2007). These characteristics have been associated with adverse metabolic and vascular effects, including reduced basal metabolic rate (Heinonen et al, 1999), obesity (Siitonen et al, 2004), and earlier onset of diabetes (Papazoglou et al, 2006), acute coronary ischemia (Snapir et al, 2001), T2DM with neuropathy (Papanas et al, 2007), sudden cardiac death (Laukkanen et al, 2009), spontaneous abortions (Galazios et al, 2011), migraine (Ni et al, 2010), glucose 6 phosphate dehydrogenase (Alharbi et al, 2013), suicide (Fukutake et al, 2008), and hypertension with and without T2DM (Vasudevan et al, 2008). Several studies of subjects from different ethnic backgrounds have reported a positive or negative association between the ADRA2B gene variants in different diseases.…”