Research Paper Volume 12, Issue 4 pp 3388—3406

Cell-to-cell lactate shuttle operates in heart and is important in age-related heart failure

Figure 1. Changes in subcellular localization and immunostaining intensity of Ki-67, FBP2 and FBP2-regulating kinase GSK3 evoked by cardiomyocytes-fibroblasts co culture. On merged pictures actin appears as green and nuclei are shown in blue. White arrows point to cardiomyocytes. Bar = 20 μm.