These include genes in the pathways for amyotrophic lateral sclerosis (NEF3, NEFL, NEFH), Huntington's disease (CALM3, CLTC, CLTB), neurodegenerative disorders (APLP1, NEFH, FBXW7), Parkinson's disease (GPR37) and prion disease (APLP1, NFE2L2). The gene discussed is GPR37; the disease is Parkinson disease.