OPTN and amyotrophic lateral sclerosis: Furthermore, several ALS/FTD genes, such as charged multivesicular body protein‐2B (CHMP2B), valosin‐containing protein (VCP), ubiquilin 2, p62 (sequestosome 1), optineurin, and TANK‐binding kinase (TBK1), are directly linked to autophagy.