by University of Illinois at Chicago Figure 1. SOD1G93A mice have slow intestinal mobility, decreased rotarod test time and grip strength during ALS progression. (a) SOD1G93A mice significantly increased gut transit time starting at 2-month-old compared to WT mice. In age-matched WT and SOD1G93A mice, intestinal mobility was tested using Evans blue marker (5% Evans blue, 5% gum...