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. Author manuscript; available in PMC: 2013 Jul 17.
Published in final edited form as: Nature. 2012 Dec 5;493(7432):433–436. doi: 10.1038/nature11682

Table 1. 15N-labeled cardiomyocytes (15N+ CM) during normal aging.

Includes new mononucleated/diploid fraction, demonstrated a similar rate of GFP expression compared to background 15N− cardiomyocytes.

Total counted GFP + % GFP +
15N− CM 1111 933 84%
15N+ CM 35 27 77%
Polyploid CM 12 10 83%
Diploid CM 22 17 77%
Multinucleated CM 18 14 78%
Mononucleated CM 17 14 82%
Diploid/Mono CM 6 5 83%