A total of 12 P/LP variants in 10 genes were identified in the FTD cohort, including MAPT, GRN, C9orf72, CHCHD10, TBK1, OPTN, SQSTM1, VCP, SIGMAR1, and HTT, summarized in Table 2. This evidence concerns the gene C9orf72 and frontotemporal dementia.