Figures 2D,E showed that WT mice were able to bury 72.7 ± 2.9% of marbles whereas Sort1−/− mice buried 85.5 ± 7.3% (p = 0.0131) of marbles suggesting again an anxiety-like behavior of Sort1−/− mice as previously observed (Ruan et al., 2016). Here, SORT1 is linked to Anxiety.