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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Aging Cell. 2010 May 10;9(4):592–606. doi: 10.1111/j.1474-9726.2010.00586.x

Fig. 3.

Fig. 3

Intracellular Ca2+ property in cardiomyocytes from young or old wild-type (WT) and AMPK deficient KD mice. (A) Baseline intracellular Ca2+ levels (360/380 ratio); (B) Rise in intracellular Ca2+ levels in response to electrical stimulus (Δ360/380 ratio); (C) Single exponential intracellular Ca2+ decay rate; and (D) Bi-exponential intracellular Ca2+ decay rate. Mean ± SEM, n = 73 – 74 cells from 5 mice per group, *p < 0.05 vs. respective young group, #p < 0.05 vs. WT-old group.