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. 2022 Apr 5;2022:8192552. doi: 10.1155/2022/8192552

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Copyright © 2022 Qin Li et al.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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The effects of HA pretreatment on mitochondrial function and structure of heart after MI. (a–c) Myocardial tissue mitochondrial respiratory control ratio (RCR) and maximal respiratory rate were examined in post-MI and sham-treated mice exposed to normoxia or HA (n = 3 per group). (d) Transmission electron microscopic images showing mitochondrial structure of myocardial cells at the junction of the left ventricular ligation site after MI. (e–g) Number (scale: 5 μm) and area (scale: 1 μm) of mitochondria in each group. Data are expressed as mean ± SD. ^∗P < 0.05, ^∗∗P < 0.01 vs. control (CON) group.