LRRK2 and Parkinson disease: Also, alpha-synuclein [36], [37], Leucine-rich repeat kinase 2 [38], [39], ubiquitin carboxyl-terminal hydrolase L1 [40], Parkin [41], Pink1 [42], Grb10-Interacting GYF Protein-2 [43], or Omi/HtrA2 [44], which are implicated in Parkinson's disease, are not included.