| AP | Action potential |
| VS | Voltage-sensing module |
| PM | Pore module |
| PUFA | Polyunsaturated fatty acids |
| ER | Endoplasmic reticulum |
| RE | Regulatory elements |
| UPR | Unfolded protein response |
| ERAD | ER-associated degradation pathway |
| PTMs | Post-translational modifications |
| ID | Intercalated discs |
| LM | Lateral membrane |
| Iks | Slow component of the delayed rectifier potassium current |
| Ito | Transient outward potassium current |
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