AA	amino acid(s)
AA-Ac	acetylated amino acids
AIFM2	apoptosis-inducing factor mitochondria associated 2
ATF4	activating transcription factor 4
ATP	adenosine triphosphate
cAMP	N6,2′-O-dibutyryladenosine 3′,5′-cyclic monophosphate
DEG	differentially expressed gene
DGE	differential gene expression
ETC	electron transport chain
GDNF	glial-derived neurotrophic factor
GSEA/MSEA	gene/metabolite set enrichment analysis
GSH	reduced glutathione
MG	proteasome inhibitor MG-132
NAD(H)	nicotinamide adenine dinucleotide (NAD+: oxidized, NADH: reduced)
NAT	N-terminal acetyltransferases
NRF2	NFE2-like BZIP transcription factor 2 (NFE2L2)
ORA	overrepresentation analysis
PCA	principal component analysis
PD	Parkinson’s disease
Q	ubiquinone or coenzyme Q
ROS	reactive oxygen species
TCA	citric acid cycle or Krebs cycle or tricarboxylic acid cycle
TF	transcription factor(s)
Ubi	ubiquitin
Ubi-Prot	ubiquitinated protein(s)