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. 2022 Jan 10;8:1. doi: 10.1038/s41420-021-00796-3

Fig. 2. CTF accumulation is related to mitochondrial dysfunction.

Fig. 2

A Western blotting of APP and the mitochondrial marker HSP60 in whole-cell extracts and mitochondrial fractions. Full-length APP and CTFs detected with APP-CTF antibody. HSP60 and Lamin A/C antibodies were used as loading controls for whole-cell extraction and mitochondrial fractions, respectively. B Quantification of APP, APP-CTFs, and HSP60 in total extracts and mitochondrial fractions. C Immunostaining of WT- and AD-iNSCs using APP-CTF and HSP60 antibodies. Nuclei were stained with DAPI. Scale bars, 10 µm. D Quantification of the colocalization area using ImageJ in WT- and AD-iNSCs. E Western blotting of OXPHOS in vehicle- or γ-secretase inhibitor-treated WT- and AD-iNSCs using OXPHOS cocktail antibodies. F Quantification of the levels of NDUFB8, COX-II, SDHB, UQCRC2, and ATP5A in WT- and AD-iNSCs-treated vehicles (−) or γ-secretase inhibitor. Statistical analysis was performed by Student’s t-test. n.s not significant, *P < 0.05, **P < 0.01, and ***P < 0.001. The results are presented as the means ± SD.