
Keywords: ER, endoplasmic reticulum; SERCA, sarco/endoplasmic reticulum Ca2+-ATPase; E–C, excitation–contraction; VGCCs, voltage-gated calcium channels; CMs, cardiac myocytes; UPR, unfolded protein response; MDC, monodansylcadaverine; LR, lysotracker red; GADD153/C