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. 2022 Aug 9;10:950837. doi: 10.3389/fcell.2022.950837

FIGURE 4.

FIGURE 4

Increased oxidative stress and inflammation in the cochlea of Cx30 ΔΔ mice of 12 months of age. (A and B): Representative images of cochlear cryosections from Cx30 WT (A) and Cx30 ΔΔ (B) mice of 12 months of age stained with DHE to analyze the ROS amount. N = 4 cochleae/group. High magnifications of spiral ganglion neurons (a1 and b1), the organ of Corti (a2 and b2), and stria vascularis (a3 and b3) are shown. (C): Representative western blot immunoreactive bands quantifying the expression of NF-κB in cochlear lysates from Cx30 WT and Cx30 ΔΔ animals at 12 months of age. (D) Histograms (mean ± S.E.M.) represent optical density normalized to GAPDH. N = 8 cochleae/group. Asterisks indicate significant differences between groups from Student’s t-test (*p < 0.05). SGNs, spiral ganglion neurons; oC, organ of Corti; StV, stria vascularis.