Gene Gene acronym Motor neurons Cortical Oculomotor Onuf’s Hypoglossal Slow spinal cord Fast spinal cord References Vulnerable Resistant Resistant Vulnerable Resistant Vulnerable Insulin-like growth factor I receptor IGF-IR + – (cervical spinal MNs) Allodi et al., 2016 Insulin-like growth factor II IGF-II + – Hedlund et al., 2010; Allodi et al., 2016 Glial cell line-derived neurotrophic factor receptor subunit GFRα1 Shneider et al., 2009 Semaphorin A3 SemaA3 + + (FF) De Winter et al., 2006 Na+/K+ATPase-alpha3 – + Ruegsegger et al., 2016 AMPA receptor GluR2 subunits GluR2 + Brockington et al., 2013 calbindin-D28K CaBP – + + Alexianu et al., 1994 Parvalbumin – + Alexianu et al., 1994 Calreticulin CRT – Bernard-Marissal et al., 2012 matrix metalloproteinase-9 MMP-9 – – + Kaplan et al., 2014 Binding immunoglobulin protein co-chaperone SIL-1 + – (FF) Filézac de L’Etang et al., 2015 Dynein – + + (spinal MNs) Comley et al., 2015