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. 2019 Oct 24;10:1268. doi: 10.3389/fphar.2019.01268

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Copyright © 2019 Huang, Zhang, Qi, Shi, Song, Liu and Sun

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) and the copyright owner(s) 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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Effect of neuropeptide Y (NPY) small interfering RNA on cardiomyocyte apoptosis in response to hydrogen peroxidase. (A) The relative mRNA level of NPY (n = 6). (B) MTT assay (n = 6). (C) Representative images of terminal deoxynucleotidyl transferase deoxyuridine triphosphate nick end labeling staining of cardiomyocyte showing the apoptotic cells. (D) Statistical results of terminal deoxynucleotidyl transferase deoxyuridine triphosphate nick end labeling-positive cells per field (n = 4, 100×). Scale bar = 100 μm. (E) The mRNA level of caspase-3 (n = 6). (F) Caspase-3 activity (n = 6). **P < 0.01 versus control; ^## P < 0.01 versus hydrogen peroxidase.