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.