| MCR | Melanocortin receptor |
| MSH | Melanocyte stimulating hormone |
| ACTH | Adrenocorticotropic hormone |
| POMC | Pro-opiomelanocortin |
| PC | Prohormone convertase |
| AGRP | Agouti-related protein |
| ASIP | Agouti-signaling protein |
| NF-kB | Nuclear factor kappa B |
| MHC | Major histocompatibility complex |
| CLIP | Corticotropin-like intermediate lobe peptide |
| LPH | Lipotropin |
| END | Endorphin |
| MRAP | Melanocortin receptor accessory protein |
| GPCR | G protein-coupled receptor |
| PKA | Protein kinase A |
| PKC | Protein kinase C |
| CAMP | Cyclic adenosine monophosphate |
| ERK | Extracellular signal-regulated kinase |
| MAPK | Mitogen activated protein kinase |
| PI3 | Phosphoinositide 3-kinase |
| PLC | Phospholipase C |
| IP3 | Inositol trisphosphate |
| CREB | Cyclic AMP response element binding protein |
| JAK/STAT | Janus kinase (JAK), signal transducer and activator of transcription protein (STAT) |
| PDZ domain | Postsynaptic density protein (PSD95), Drosophila disc large tumor suppressor (DlgA), and zonula occludens-1 protein (zo-1) domain |
| CCP | Clathrin-coated-pit |
| A2Ar | Adenosine 2 A receptor |
| ICAM | Intercellular adhesion molecule |
| SIRS | Systemic inflammatory response syndrome |
| USFDA | U.S. Food and Drug Administration |
| RCI | Repository corticotropin injection |
| NASH | Non-alcoholic steatohepatitis |