MAPT and Parkinson disease: Combined with the results of PD and PD MTAG, 26 novel PD associated genes have been identified (Table 2), including eight long noncoding RNA (lncRNA), MCCC1-AS1, SNCA-AS1, KLHL7-DT, MAPT-IT1, KANSL1-AS1, MAPT-AS1, CR936218.