| 2-APB | 2-aminoethoxydiphenyl borate |
| cAMP | 3′,5′-cyclic adenosine monophosphate |
| GEM-CEPIA1er | Endoplasmic reticulum intraluminal Ca2+ dye |
| IP3R | Inositol 1,4,5-trisphosphate receptor |
| mPRα | Progesterone receptor membrane α |
| NFAT1 | Nuclear factor of activated T-cells 1 |
| nPR | Nuclear progesterone receptor |
| P4 | Progesterone |
| PGRMC1 | Progesterone receptor membrane component 1 |
| PKAi | PKA antagonist, KT5720 |
| SERCA | Sarcoendoplamic reticulum Ca2+-ATPase |
| SOCE | Store-operated calcium entry |
| STIM1 & 2 | Stromal interaction molecule 1 & 2 |
| TG | Thapsigargin |
| TNBC | Triple negative breast cancer cells |
| EGTA | Ethylene glycol-bis(β-aminoethyl ether)-N,N,N′,N′-tetraacetic acid |