GSK3β is a serine/threonine protein kinase that is activated by neurotoxins (Hongo et al., 2012; Hernandez-Baltazar et al., 2013; Zhao et al., 2016) and PD-associated gene mutations (Wang et al., 2013; Kawakami et al., 2014). The gene discussed is GSK3B; the disease is Parkinson disease.