Figure 3. Intracellular Ca2+ handling properties in cardiomyocytes from young or old WT and MIF−/− mice.
(A) Resting Fura-2 fluorescence intensity (FFI); (B) Electrically-stimulated in FFI (ΔFFI); (C) Intracellular Ca2+ decay rate (single exponential); (D) Intracellular Ca2+ decay rate (bi exponential). Mean ± SEM, n = 89–119 cells per group, *p < 0.05 vs. WT young group, #p < 0.05 vs. WT old group.