| MC4R | Melanocortin receptor 4 |
| GPCR | G protein coupled receptor |
| MSH | Melanocyte stimulating hormone |
| NDP-α-MSH | (Nle4, d-Phe7)-α-MSH |
| POMC | Proopiomelanocortin |
| AgRP | Agouti related peptide |
| PTX | Pertussis toxin |
| cAMP | Cyclic adenosine monophosphate |
| MAPK | Mitogen-activated kinase |
| ERK1/2 | Extracellular-regulated kinase 1/2 |
| DIC | differential interference contrast |
| NFAT | nuclear factor of activated T-cell |
| SRE | serum response element |
| SRF | serum-response factor |
| PLC | Phospholipase C |
| IBMX | 3-Isobutyl-1-methylxanthine |
| ARRB2 | β-arrestin2 |
| BRET | Bioluminescence resonance energy transfer |
| NL | NanoLuc |
| HT | HaloTag |
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