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. 2022 Sep 2;54(9):1472–1485. doi: 10.1038/s12276-022-00844-7

Fig. 4. FAM134B-mediated ER-phagy inhibition partially attenuates the protective effect of OGT against ND.

Fig. 4

a, b After transfection with FAM134B-siRNA for 48 h, OGT-overexpressing NP cells were subjected to ND for 36 h. Western blot analysis showing the protein expression levels of FAM134B, LC3, and p62, and the relative band densities were quantified. c NP cells were handled as indicated in a. Representative results of ER-Tracker Green and LysoTracker Red staining showing the colocalization profiles of the ER and lysosomes; scale bar: 20 μm. d, e NP cells were handled as indicated in a. Western blot analysis showing the protein expression levels of p53, p21, p16, Bcl-2, Bax, and cleaved caspase 3, and the relative band densities were quantified. f, g NP cells were treated as indicated in a. Representative immunofluorescence results showing p16 and cleaved caspase 3 expression in NP cells. Nuclei were stained with DAPI; scale bar: 100 μm. The data are presented as the mean ± SD values. ∗∗P < 0.01, P < 0.05.