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. 2015 Oct 1;10(10):e0139712. doi: 10.1371/journal.pone.0139712

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© 2015 Ye et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 6 — Confocal microscopy of tissue sections using Ki67 and troponin indicate that non-cardiomyocyte cell proliferation is decreased in iVSD tissues compared to controls. (A) Representative Ki67-positive cells in normal hearts. (B) Representative Ki67-positive cells in iVSD hearts. (C) Quantification of Ki67-positive cardiomyocytes. (D) Quantification of Ki67-positive non-cardiomyocytes (iVSD group: n = 20; control group: n = 6. Data presented as means ± SD; ***p<0.001. Cardiac troponin T (red), Ki67 (green), and DAPI (blue) staining are shown. Arrow indicates proliferating cardiomyocytes and the triangle indicates non-cardiomyocytes.