AMPK	AMP-activated protein kinase
Aib	α-aminoisobutyric acid
ActRII	activin type II receptor
AMYR	amylin receptor
CB1R	cannabinoid type 1 receptor
cAMP	cyclic adenosine monophosphate
CTR	calcitonin receptor
EC50	half-maximal effective concentration
Fc	fragment crystallizable region (of an antibody)
GABA	gamma-aminobutyric acid
GPCR	G protein-coupled receptor
ERK	extracellular signal-regulated kinase
Gi/o	inhibitory G protein alpha subunits (Gi and Go)
Gs	stimulatory G protein alpha subunit
K_D (Kd)	equilibrium dissociation constant
Ki	inhibition constant
GLP-1R	Glucagon-like peptide-1 receptor
GIPR	Glucose-dependent insulinotropic polypeptide receptor
GCGR	Glucagon receptor
GDF15	Growth differentiation factor 15
IC50	half-maximal inhibitory concentration
LEPR	Leptin receptor
MC1R	melanocortin-1 receptor
MC4R	Melanocortin-4 receptor
MAOI	monoamine oxidase inhibitor
MEN 2	multiple endocrine neoplasia syndrome type 2
MTC	Medullary thyroid carcinoma
NFAT	nuclear factor of activated T cells
NE	Norepinephrine
NTS	nucleus tractus solitarius
nM	nanomolar
pM	picomolar
µM	micromolar
POMC	pro-opiomelanocortin
RAMP	Receptor activity-modifying protein
SGLT2	sodium–glucose cotransporter 2
GFRAL	GDNF family receptor alpha-like
RET	RET receptor tyrosine kinase