ALDH	aldehyde dehydrogenase
AR	aldehyde/aldose reductase
αS	alpha-synuclein
BDNF	brain-derived neurotrophic factor
COMT	catechol-O-methyltransferase
Cys-DA	5-S-cysteinyldopamine
DA	dopamine
DAT	cell membrane dopamine transporter
DLB	dementia with Lewy bodies
DOPAC	3,4-dihydroxyphenylacetic acid
DOPAL	3,4-dihydroxyphenylacetaldehyde
DOPAL-Q	DOPAL quinone
DOPEGAL	3,4-dihydroxyphenylglycolaldehyde
EPI	epinephrine
GGT	gammaglutamyl transferase
LAAAD	L-aromatic-amino-acid decarboxylase
MAO	monoamine oxidase
MSA	multiple system atrophy
NAC	N-acetylcysteine
NE	norepinephrine
NET	cell membrane norepinephrine transporter
nIRF	near-infrared fluoroscopy
PD	Parkinson’s disease
TH	tyrosine hydroxylase
THP	tetrahydropapaveroline
TrkB	tyrosine kinase B
VMAT	vesicular monoamine transporter