Among the genes mostly affected by epigenetic regulation, it is important to mention synuclein α (SNCA, 4q22.1); parkin RBR E3 ubiquitin protein ligase (PARK2, 6q26); Parkinson disease 16 (PARK16, 1q32) and leucine-rich repeat kinase 2 (LRRK2, 12q12); [69,70,71,72,73,74,75]. The gene discussed is SNCA; the disease is glycogen storage disease VI.