| ABC | ATP-binding cassette transporter |
| ATP | adenosine triphosphate |
| CALHM1 | calcium homeostasis modulator 1 |
| CFTR | cystic fibrosis transmembrane conductance regulator |
| [Ca2+]o | extracellular Ca2+ concentration |
| K+o | extracellular K+ |
| Ca2+i | intracellular Ca2+ |
| KD | knockdown |
| KO | knockout |
| MAC | maxi-anion channel |
| Po | open probability |
| PANX1 | pannexin 1 |
| VRAC | volume-regulated anion channel |
| VSOR | volume-sensitive outwardly rectifying |