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. Author manuscript; available in PMC: 2008 Mar 1.
Published in final edited form as: Mech Ageing Dev. 2006 Dec 27;128(3):276–285. doi: 10.1016/j.mad.2006.12.007

Fig 4.

Fig 4

Intracellular Ca2+ properties of cardiomyocytes from male young and old FVB and catalase (CAT) mice. A: Baseline intracellular Ca2+ levels (360/380 ratio); B: Rise in intracellular Ca2+ levels in response to electrical stimulus (360/380 ratio); C: First exponential decay constant of intracellular Ca2+; and D: Bi-exponential decay constant of intracellular Ca2+. Mean ± SEM, n = 43 cells from 5 mice per group, * p < 0.05 vs. FVB-young group, # p < 0.05 vs. FVB-old group.