5xFAD	Five Familial Alzheimer’s Disease mutation mouse model
6OHDA	6-hydroxydopamine
α-syn	Alpha-synuclein
AD	Alzheimer’s disease
AD-HET	Heterozygous model of AD
ALS	Amyotrophic lateral sclerosis
APP/PS1	Amyloid Precursor Protein/Presenilin 1
ATP	Adenosine Triphosphate
Aβ	Amyloid beta
BAX	Bcl-2-associated protein
Bcl-2	B-cell lymphoma 2
c-Caspase	Cleaved Caspase
Chop	C/EBP homologous protein
CSF	Cerebrospinal fluid
DA	Dopaminergic
DDC	Dopa decarboxylase
DJ-1	Deglycase protein
DSS	Dextran sodium sulfate
EFSA	European Food Safety Authority
ER	Endoplasmic reticulum
ET	Ergothioneine
FMT	Fecal matter transplant
Gadd34	Growth arrest and DNA damage-inducible protein 34
GFAP	Glial fibrillary acidic protein
GRAS	Generally Recognized as Safe
GSH	Glutathione (reduced)
GSK-3β	Glycogen Synthase Kinase 3 Beta
HD	Huntington’s disease
HPA	Human Protein Atlas
IBA1	Ionized calcium-binding adapter molecule 1
iPSC	Induced pluripotent stem cell
KEAP1	Kelch-like ECH-associated protein 1
LPS	Lipopolysaccharide
LRRK2-G2019S	Leucine-rich repeat kinase 2 G2019S mutant
MCI	Mild cognitive impairment
MDA	Malondialdehyde
MPTP	1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine
MS	Multiple sclerosis
ND	Neurodegenerative disease
Nfl	Neurofilament light chain
NQO1	NAD(P)H quinone oxidoreductase 1
NRF2	Nuclear factor erythroid 2-related factor 2
Nurr1	Nuclear receptor-related-1 protein
OCTN1	Organic cation transporter novel type-1
PD	Parkinson’s disease
p-Tau	phosphorylated Tau
P. eryngii	Pleurotus eryngii (King oyster mushroom)
REM	Rapid Eye Movement
ROS	Reactive oxygen species
SCFA	Short-chain fatty acid
scRNAseq	Single-cell Ribonucleic Acid sequencing
SLC22A4	OCTN1
SNpc	Substantia nigra pars compacta
SOD2	Superoxide Dismutase 2
TH	Tyrosine hydroxylase
TNF-α	Tumour Necrosis Factor alpha
TPM	Transcript Per Million
VMAT2	Vesicular monoamine transporter 2