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. 2020 Feb 10;11:36. doi: 10.3389/fgene.2020.00036

Figure 4.

Figure 4

ERS pathway was activated in COL4A5 mutant fibroblasts. (A) Protein expression of the ER stress markers Bip, ATF6, p50-ATF6, IRE1α, p-IRE1α, PERK, and p-PERK. β-tubulin was used as an equal loading control (Supplementary Figure 2). (B–H) Representative densitometric analysis of western blots of these proteins. Data are means ± SEM. n = 3 (*p < 0.05; **p < 0.01; ***p < 0.001; WT, control; MM, missense mutation; SM, splicing mutation; FM, frameshift mutation).