OS9 and amyotrophic lateral sclerosis: Moreover, disturbance in various other components of ERAD, including OS-9, erasin, ubiquilin2, torsinA, and Derlin1, causes ER stress (Nishitoh et al., 2008; Alcock and Swanton, 2009; Lim et al., 2009; Deng et al., 2011; Nery et al., 2011), and some of these genes have been linked to ALS (Nishitoh et al., 2008; Alcock and Swanton, 2009; Lim et al., 2009; Alazami et al., 2011; Nery et al., 2011; Yildirim et al., 2011; Al-Saif et al., 2012; Wakil et al., 2013).