AMP	AMP-activated protein kinase
AKT	protein kinase B
BAT	brown adipose tissue
BMP8B	bone morphogenic protein 8B
δOR	ẟ opioid receptor
ERK1/2	p44/42 MAPK
ICV	intracerebroventricular
κOR	kappa opioid receptor
KO	knockout
LHA	lateral hypothalamic area
MAPK	mitogen-activated protein kinase
MCH	melanin-concentrating hormone
nAChR	nicotinic acetylcholine receptors
µOR	µ opioid receptor
norBNI	nor-Binaltorphimine dihydrochloride
OX	orexin
OXR1	orexin receptor 1
PKCζ	protein kinase C zeta
PVDF	polyvinylidene difluoride membranes
S6K	p70S6 kinase
SAPK/JNK	phospho-stress-activated protein kinase/c-Jun N-terminal kinase
SC	subcutaneous
SNS	sympathetic nerve system
rpS6	ribosomal protein S6
UCP1	uncoupling protein 1
VMH	ventromedial hypothalamic nucleus
WAT	white adipose tissue