In mice, Anxa1 is expressed within a subset of the Sox6+ and Aldh1a1+ DA neurons (Azcorra et al. 2023; Gaertner et al. 2025) markers already known to label vulnerable DA neurons in human PD (Liu et al. 2014; Pereira Luppi et al. 2021). Here, SOX6 is linked to Parkinson disease.