At the chronic time point in Young TBI 1 month post injury, several prominent genes like CACNA1G, SENP7, ETF1, EGR1, KDM3B, CCR2, GRAMD1A, ARAP2, GOLIM4, THSD4, ADAMTS1, CELF1, SUCLG2, TOP1, NR3C2, DDX18, CDC5L, and AP2A2 that are related to Alzheimer’s are also linked to Parkinson’s, epilepsy, and behavior (Figure 6E). The gene discussed is ARAP2; the disease is Parkinson disease.