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. 2022 Feb 2;25(4):111. doi: 10.3892/mmr.2022.12627

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Copyright: © Wang et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 3. — Pathological changes in H&E-stained and TUNEL-stained hippocampal sections. (A) Representative images of H&E staining from each group (magnification, ×400) and neuronal density in each group calculated from these images. (B) Representative images of TUNEL staining in hippocampal brain slices (magnification, ×400) and apoptotic index of rat neurons in each group calculated from these images. Black arrows indicate morphological characteristics and apoptotic cells. Data are presented as the mean ± SD; n=5; *P<0.05 vs. CON; ^#P<0.05 vs. DM. CON, control; DM, diabetes mellitus; Ex, exenatide; H&E, hematoxylin and eosin.