LAMP1 (green) and DAPI (blue) staining of astrocytes 40x images. Quantification of LAMP1 distribution staining in BJ-SiPS CTR ( n = 3) and KO ( n = 3) astrocytes (Two-tailed t -test was used for mean comparisons) and KOLF 2.1 J CTR ( n = 6), DJ1 L166P-1 ( n = 5), and L166P-2 ( n = 7) astrocytes (One-way ANOVA followed by Tukey’s).