Fig. 11

Neurohormonal activation depletes intracellular iron in H9c2 cells. Analysis of intracellular iron levels: (a) total iron content, b Fe²⁺ ion content and (c) Fe³⁺ ion content. Data were normalized by protein levels and expressed as mean ± SEM (n = 7 per group); (*p < 0.05 and **p < 0.01 vs Control)