3-OHM	3-hydroxymelatonin
5-HT	5-hydroxytryptamine
6-OHM	6-hydroxymelatonin
ACE	angiotensin I-converting enzyme
ACTH	adrenocorticotropic hormone
AFMK	N1-acetyl-N2-formyl-5-methoxykynuramine
AMK	N1-acetyl-5-methoxykynuramine
Ang II	angiotensin II
ARBs	angiotensin receptor blockers
AT1 receptor	angiotensin II type 1 receptor
ATP	adenosine triphosphate
BP	blood pressure
BSO	buthionine-S,R-sulfoximine
CB1 receptor	cannabinoid 1 receptor
CBD	cannabidiol
CKD	chronic kidney disease
CNS	central nervous system
CRF	corticotropin-releasing factor
CSF	cerebrospinal fluid
DRN	dorsal raphe nucleus
DSM	Diagnostic and Statistical Manual of Mental Disorders
EPM	elevated plus maze
GABA	γ-aminobutyric acid
GAD	generalized anxiety disorder
HPA axis	hypothalamus–pituitary–adrenal axis
HR	heart rate
iNOS	inducible nitric oxide synthase
LDB	light/dark box
L-NAME	L-NG-nitro arginine methyl ester
MSNA	muscle sympathetic nerve activity
MT1 receptor	melatonin receptor type 1
MT2 receptor	melatonin receptor type 2
NE	norepinephrine
nNOS	neuronal nitric oxide synthase
NO	nitric oxide
NSF	novelty-suppressed feeding
OFT	open field test
PD	panic disorder
PTSD	posttraumatic stress disorder
PVN	paraventricular nucleus
QR	quinone reductase
RAAS	renin–angiotensin–aldosterone system
RNS	reactive nitrogen species
ROR	retinoid orphan receptors
ROS	reactive oxygen species
RVLM	rostral ventrolateral medulla
RZR	retinoid Z receptors
sAA	salivary alpha-amylase
SAD	social anxiety disorder
SCN	suprachiasmatic nucleus
SHR	spontaneously hypertensive rat
SNRIs	serotonin norepinephrine reuptake inhibitors
SNS	sympathetic nervous system
SSRIs	selective serotonin reuptake inhibitors