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. 2017 May 19;8:324. doi: 10.3389/fphys.2017.00324

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Copyright © 2017 Salameh, Keller, Dähnert and Dhein.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Staining and quantification of nuclear NT (nitrotyrosine) expression. Bar graphs depict percentage of cells positively stained for NT in specimens from left ventricular epicardium, myocardium, and endocardium and right ventricle after 90 min of cardioplegia followed by 60 min of recovery. All data are given as means ± SEM. Significant differences (p < 0.05) between CP− and CP+ are indicated by asterisks (^*). (B) Original NT-staining of left ventricular (LV) myocardium. Arrows indicate cells positive for NT (stained in red).