SQSTM1 and frontotemporal dementia: Similarly, genes such as TANK-binding kinase-1 (TBK1) (65–69), Sequestosome-1 or p62 (SQTSM1) (70), Optineurine protein (OPTN), and Valosin-containing protein (VCP) that are associated with FTD, inclusion body myositis, motor neuron disease, and Paget's disease encode proteins related to protein degradation (71, 72).