Table 6 Commonly used SOD1-transgenic mouse models of ALS and their phenotypes in relation to transgenic expression. SOD1 mouse models Transgene copies SOD1 protein levels in the CNS (human/mouse) Disease onset (days) Survival (months) References B6SJL-TgN(SOD1-G93A)1Gur 34 17 90 3.5–4.5 Gurney et al., 1994; Alexander et al., 2004 SOD1-G93A Drop Copy#3 13 – – 6 Alexander et al., 2004 SOD1-G93A Drop Copy#4 11 – – 6.5 Alexander et al., 2004 B6SJL-TgN(SOD1-G93A)dl1Gur 10 8–10 168 8.3 Gurney, 1997 SOD1-G93A Drop Copy#1 4 – – 21 Alexander et al., 2004 G37R – 4–12 105 5 Wong et al., 1995; Haenggeli et al., 2007 G85R – 0.2–1 240 8.5 Bruijn et al., 1997 G86R (M1 line) – – 90–120 4 Ripps et al., 1995 D90A – – 350 13.5 Jonsson et al., 2006 (–), unknown.