6-OHDA	6-hydroxydopamine
α-syn	alpha-synuclein
AADC	aromatic l-amino decarboxylase
AAV	adeno-associated virus
BIP	binding immunoglobulin protein
bGH-polyA	bovine growth hormone polyadenylation sequence
CBA	chicken β-actin
cDNA	complementary deoxyribonucleic acid
CDNF	cerebral dopamine neurotrophic factor
CMV	cytomegalovirus
DIO	double-floxed inverse ORF
EF1a	elongation factor 1 alpha
GAD	glutamic acid decarboxylase
GFP	green fluorescent protein
GDNF	glial cell line-derived neurotrophic factor
HPLC	high performance liquid chromatography
IRES	internal ribosome entry site
iRFP	infrared fluorescent protein
MPTP	1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine
NRTN	neurturin
NSE	neuron-specific enolaseRNA: ribonucleic acid
rtTA	reverse tetracycline transactivator
SEM	standard error of the mean
SPECT/CT	single-photon emission computed tomography/computed tomography
TH	tyrosine hydroxylase
WPRE	woodchuck hepatitis virus posttranscriptional regulatory element
WT	wild-type